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Diffstat (limited to 'apps/gperf')
54 files changed, 0 insertions, 9613 deletions
diff --git a/apps/gperf/COPYING b/apps/gperf/COPYING deleted file mode 100644 index 9a170375811..00000000000 --- a/apps/gperf/COPYING +++ /dev/null @@ -1,249 +0,0 @@ - - GNU GENERAL PUBLIC LICENSE - Version 1, February 1989 - - Copyright (C) 1989 Free Software Foundation, Inc. - 675 Mass Ave, Cambridge, MA 02139, USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The license agreements of most software companies try to keep users -at the mercy of those companies. By contrast, our General Public -License is intended to guarantee your freedom to share and change free -software--to make sure the software is free for all its users. The -General Public License applies to the Free Software Foundation's -software and to any other program whose authors commit to using it. -You can use it for your programs, too. - - When we speak of free software, we are referring to freedom, not -price. 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See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -Also add information on how to contact you by electronic and paper mail. - -If the program is interactive, make it output a short notice like this -when it starts in an interactive mode: - - Gnomovision version 69, Copyright (C) 19xx name of author - Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. - This is free software, and you are welcome to redistribute it - under certain conditions; type `show c' for details. - -The hypothetical commands `show w' and `show c' should show the -appropriate parts of the General Public License. Of course, the -commands you use may be called something other than `show w' and `show -c'; they could even be mouse-clicks or menu items--whatever suits your -program. - -You should also get your employer (if you work as a programmer) or your -school, if any, to sign a "copyright disclaimer" for the program, if -necessary. Here a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the - program `Gnomovision' (a program to direct compilers to make passes - at assemblers) written by James Hacker. - - <signature of Ty Coon>, 1 April 1989 - Ty Coon, President of Vice - -That's all there is to it! diff --git a/apps/gperf/ChangeLog b/apps/gperf/ChangeLog deleted file mode 100644 index d0e86c82103..00000000000 --- a/apps/gperf/ChangeLog +++ /dev/null @@ -1,1335 +0,0 @@ -Sun Apr 14 14:31:10 1996 Douglas C. Schmidt (schmidt@tango.cs.wustl.edu) - - * src: Changed things so that there's no longer any use of the - Read_Line and Std_Err code. All of this has been pushed into - the ACE components, which is where it belongs... - - * src: Changed things so that there's no longer any use of the - pointless inheritance in the code. This was a result of my not - understanding inheritance back in 1989... ;-) - - * Began to integrate GNU gperf into the ACE release. Started off - by bringing the standard GNU version up to date wrt to the - changes I made back in 1991! - -Tue Oct 10 16:37:28 1995 Mike Stump <mrs@cygnus.com> - - * src/new.cc: Since malloc/delete are not paired, we cannot call - free. - -Wed Jan 4 12:40:14 1995 Per Bothner <bothner@kalessin.cygnus.com> - - * src/Makefile.in ($(TARGETPROG)): Link with $(LDFLAGS). - Patch from John Interrante <interran@uluru.stanford.edu>. - -Sat Nov 5 19:12:48 1994 Jason Merrill (jason@phydeaux.cygnus.com) - - * src/Makefile.in (LIBS): Remove. - -Tue Oct 18 17:51:14 1994 Per Bothner <bothner@kalessin.cygnus.com> - - * src/std-err.cc: Use stderror, instead of the non-standard - sys_nerr and sys_errlist. - -Sat Sep 17 22:02:13 1994 Per Bothner (bothner@kalessin.cygnus.com) - - * src/key-list.cc (output_hash_function): - Patch from William Bader <wbader@CSEE.Lehigh.Edu>. - -Fri Jul 15 09:38:11 1994 Per Bothner (bothner@cygnus.com) - - * src/std-err.cc: #include <errno.h>, and only declare - extern int errno if errno is not a macro. - -Mon May 30 17:29:34 1994 Per Bothner (bothner@kalessin.cygnus.com) - - * Makefile.in (src_all, install): Make sure to add '/' after - `pwd` in $rootme, as expected by FLAGS_TO_PASS. - -Wed May 11 00:47:22 1994 Jason Merrill (jason@deneb.cygnus.com) - - Make libg++ build with gcc -ansi -pedantic-errors - * src/options.h: Lose commas at end of enumerator lists. - -Sun Dec 5 19:16:40 1993 Brendan Kehoe (brendan@lisa.cygnus.com) - - * src/hash-table.cc (Hash_Table::~Hash_Table): Don't pass an - argument to fprintf, since it's not expecting one. - -Fri Nov 26 19:03:18 1993 Per Bothner (bothner@kalessin.cygnus.com) - - * src/list-node.cc: #undef index, for the sake of broken NeXT, - -Thu Nov 4 11:16:03 1993 Per Bothner (bothner@kalessin.cygnus.com) - - * Makefile.in (install): Use INSTALL_DATA for gperf.1. - -Mon Oct 25 18:40:51 1993 Per Bothner (bothner@kalessin.cygnus.com) - - * src/key-list.cc (Key_List::read_keys): Use POW macro - to increase hash table size to power of 2. - - * options.h (LARGE_STACK_ARRAYS): New flag. Defaults to zero. - * gen-perf.cc, key-list.cc, read-line.cc: - Only stack-allocate large arrays if LARGE_STACK_ARRAYS is set. - * main.cc (main): Only call setrlimit (RLIMIT_STACK, ...) - if LARGE_STACK_ARRAYS. - -Mon Oct 4 17:45:08 1993 Per Bothner (bothner@kalessin.cygnus.com) - - * src/gen-perf.cc: Always use ANSI rand/srand instead of BSDisms. - -Wed Aug 18 12:19:53 1993 Per Bothner (bothner@kalessin.cygnus.com) - - * Makefile.in (src_all): Make less verbose output. - -Fri May 28 14:01:18 1993 Per Bothner (bothner@rtl.cygnus.com) - - * src/gen-perf.cc (Gen_Perf::change): Don't use gcc-specific - 2-operand conditional expression. - * src/key-list.cc (Key_List::output_lookup_array): - Don't use variable-size stack arrays, unless compiled by g++. - -Tue May 4 14:08:44 1993 Per Bothner (bothner@cygnus.com) - - Changes (mostly from Peter Schauer) to permit compilation - using cfront 3.0 and otherwise be ARM-conforming. - * src/key-list.h: class Key_List must use public derivation - of base class Std_Err (because Gen_Perf::operator() in gen-perf.cc - calls Std_Err::report_error). - * src/gen-perf.cc (Gen_Perf::affects_prev), src/hash-table.cc - (Hash_Table::operator()): Don't use gcc-specific 2-operand - conditional expression. - * src/iterator.cc (Iterator::operator()): Don't use gcc-specific - range construct in case label. - * key-list.cc (Key_List::output_lookup_array, Key_List::read_keys), - src/gen-perf.cc (Gen_Perf::operator(), src/read-line.cc - (Read_Line::readln_aux): If not gcc, don't allocate - variable-sized arrays on stack. - * src/new.cc (operator new): Argument type should be size_t. - * key-list.cc (Key_List::output_lookup_array, Key_List::read_keys), - new/cc (::operator new): Don't use non-standard >?= operator. - -Tue Apr 27 20:11:30 1993 Per Bothner (bothner@cygnus.com) - - * src/Makefile.in: Define TARGETPROG, and use it. - -Mon Apr 19 00:29:18 1993 Per Bothner (bothner@cygnus.com) - - * Makefile.in, configure.in: Re-vamped configure scheme. - * gperf.texinfo: Renamed to gperf.texi. - * src/bool-array.{h,cc}: ANSIfy bzero->memset. - -Sat Jan 30 20:21:28 1993 Brendan Kehoe (brendan@lisa.cygnus.com) - - * tests/Makefile.in (mostlyclean): Also delete aout, cout, m3out, - pout, and preout. - -Tue Dec 29 08:58:17 1992 Ian Lance Taylor (ian@cygnus.com) - - * Makefile.in: pass $(FLAGS_TO_PASS) to all calls to make. - (FLAGS_TO_PASS): added INSTALL, INSTALL_DATA, INSTALL_PROGRAM. - -Mon Dec 21 18:46:46 1992 Per Bothner (bothner@rtl.cygnus.com) - - * tests/expected.* renamed to *.exp to fit in 14 chars. - * tests/Makefile.in: Update accordingly. - Also rename output.* to *.out. - * src/Makefile.in (clean): Remove gperf program. - -Wed Dec 9 14:33:34 1992 Per Bothner (bothner@cygnus.com) - - * src/hash-table.cc, src/bool-array.h: ANSIfy bzero->memset. - -Thu Dec 3 19:34:12 1992 Per Bothner (bothner@cygnus.com) - - * Makefile.in (distclean, realclean): Don't delete - Makefile before recursing. - -Fri Nov 6 13:41:49 1992 Per Bothner (bothner@rtl.cygnus.com) - - * key-list.{h,cc}: Remove MAX_INT (and similar) constant - fields from Key_List class, and use INT_MAX (etc) from limits.h. - * key-list.{h,cc}, options.{h,cc}, vectors.h: Removed all - uses of initialized const fields, as they are non-standard - - and their use was easy to do away with. Mostly, just - made the constants static non-fields in the .cc file. - -Mon Nov 2 13:10:11 1992 Per Bothner (bothner@cygnus.com) - - * tests/Makefile.in: When generating cinset.c, don't pass -C, - since -C assumes an ANSI compiler. Add the -C flag (with -a) - when generating test.out.3 instead. - * tests/expected.out.3: Update accordingly. - -Wed Aug 12 11:47:54 1992 Per Bothner (bothner@cygnus.com) - - * Makefile.in: Factor out common flags into $(FLAGS_TO_PASS). - * Makefile.in: 'install-info' depends on gperf.info. - -Mon Aug 10 11:39:52 1992 Ian Lance Taylor (ian@dumbest.cygnus.com) - - * Makefile.in, src/Makefile.in: always create installation - directories. - -Mon Jul 20 15:33:21 1992 Mike Stump (mrs@cygnus.com) - - * src/new.cc (operator new): Add cast from void * to char *, - since it is not a standard conversion. - -Wed Jun 17 16:25:30 1992 Per Bothner (bothner@rtl.cygnus.com) - - * src/gen-perf.cc: #include <_G_config.h> for _G_SYSV. - * src/key-list.cc: alloca() hair. - * src/main.cc (main): Only call getrlimit if _G_HAVE_SYS_RESOURCE. - * Makefile,in, {src,test}/Makefile.in: Fix *clean rules. - -Fri May 29 13:21:13 1992 Per Bothner (bothner@rtl.cygnus.com) - - * src/gen-perf.cc: Replace USG -> _G_SYSV. - -Thu May 14 13:58:36 1992 Per Bothner (bothner@rtl.cygnus.com) - - * src/Makefile.in: Don't pass obsolete flag -DUNLIMIT_STACK. - * tests/Makefile.in (clean): Fix. - -Sat Mar 7 00:03:56 1992 K. Richard Pixley (rich@rtl.cygnus.com) - - * gperf.texinfo: added menu item hook. - -Wed Feb 26 18:04:40 1992 K. Richard Pixley (rich@cygnus.com) - - * Makefile.in, configure.in: removed traces of namesubdir, - -subdirs, $(subdir), $(unsubdir), some rcs triggers. Forced - copyrights to '92, changed some from Cygnus to FSF. - -Sun Jan 26 19:21:58 1992 Per Bothner (bothner at cygnus.com) - - * tests/Makefile.in: Use re-directed stdin instead of file - name in argv. This allows us to remove the filename - from the output, the expected output, and hence the diffs. - (Note that the input file is in $(srcdir), which we cannot - place in the expected out files.) - * tests/expected.out.[1235]: Edit out input filename, - to match new output. - -Mon Nov 4 15:04:41 1991 Douglas C. Schmidt (schmidt at bastille.ics.uci.edu) - - * Need to do something about the end-of-line marker being - hard-coded to '\n'... - - * Need to do something about the comment character being - hard-coded to '#'... - -Fri Sep 27 09:30:15 1991 Douglas C. Schmidt (schmidt at net4.ics.uci.edu) - - * Fixed a stupid problem with printout out a local enum with the - -E option (I forgot to check for the case of 0 duplicates, so it - was saying 1 duplicate instead!). - -Mon Aug 19 00:39:40 1991 Douglas C. Schmidt (schmidt at javel.ics.uci.edu) - - * Yow, all finished making gperf run with cfront/Saber C++. Not - really all that hard, actually, though did need to remove some - GNU specific hacks, like dynamically sized arrays and - initializing class data members in their declarations, etc. - - * Bumped up the version # to reflect the recent changes. - -Sun Aug 18 22:25:32 1991 Douglas C. Schmidt (schmidt at javel.ics.uci.edu) - - * Changed passage of Options::usage function in Options.C to have - a leading `&' so that Saber C++ wouldn't complain... - - * Added a new header file called gperf.h that includes system-wide - info. - - * Hacked up the release to work with Saber C++! Changed all *.cc - files to *.C. - -Mon Aug 5 21:18:47 1991 Douglas C. Schmidt (schmidt at net1.ics.uci.edu) - - * Yow, hacked in the nifty changes to the Std_Err error handling - abstraction. This now adds format string support for printing - out signals and the name of the function when things go wrong. - Make changes throughout the source to make use of the new - facilities and also to make sure all previous uses of - Std_Err::report_error are now prefixed by the name of the class. - -Tue Jul 30 00:02:39 1991 Douglas C. Schmidt (schmidt at net4.ics.uci.edu) - - * Make sure to add 1 to the Key_List::total_duplicates value when - printing it out since any time we have more than zero duplicates - we really have two or more duplicates! - - * Added support for the -O (optimize option). This option - optimizes the generated lookup function by assuming that all - input keywords are members of the keyset from the keyfile. - - * Added #define DUPLICATES and #define HASH_VALUE_RANGE (and of - course the enum equivalent) to the generated output. Don't know - how useful this will be, but it allows us to determine at a - glance whether we've got a minimal perfect hash function (in - which case TOTAL_KEYWORDS = HASH_VALUE_RANGE, and DUPLICATES = - 0). - - * Fixed a small bug in the Key_List::output_keyword_table routine - that caused an extra newline to be printed if there where no - leading blank entries... (who cares, right?!) - -Mon Jul 29 22:05:40 1991 Douglas C. Schmidt (schmidt at net4.ics.uci.edu) - - * Modified the handling of the -E (emit enums rather than - #defines) option in conjunction with the -G option. Now, if -G - and -E are given the enums are generated outside the lookup - function, rather than within it! - - * Yow, as part of my Software Practice and Experience submission - writeup I realized I needed to make the # comment character work - correctly. Now if you put a backslash character ('\') in front - of the # it treats the first character as a #. Naturally, to - put a '\' character on the front of the line you need to escape - it also, i.e., - \\I'm a line that starts with only one \ - # I'm a comment line - \#define I'm walking a fine line... ;-) - -Wed Jun 26 11:21:02 1991 Douglas C. Schmidt (schmidt at bastille.ics.uci.edu) - - * Changed all uses of the identifier `iteration_number' to - `generation_number' (also updated the paper!). - -Tue Apr 9 07:59:42 1991 Doug Schmidt (schmidt at net4.ics.uci.edu) - - * Had to change a whole bunch of little thangs in key-list.cc and - list-node.cc to make the -I option work. - - * Changed an alloca statement in key-list.cc to reflect the - strncasecmp modification (i.e., we now need to be able to - allocate a longer buffer if the -I option is used). - -Mon Apr 8 18:17:04 1991 Doug Schmidt (schmidt at net4.ics.uci.edu) - - * Yucko, there was a bug in the handling of -c (and of course the - new -I command in key-list.cc). Apparently when I added the - super-duper hack that provided support for duplicate keys I - forgot to update the strcmp output... - - * Boy, it has been a *long* time since I hacked this puppy. Let's - see, I'm about to add long-overdue support for case-insensitive - string comparisons to gperf's generated output code. We are - going to employ the hitherto unused option -I to indicte this! - -Thu Jun 28 16:17:27 1990 Doug Schmidt (schmidt at brilliant) - - * Wow, first fix on the new job! There was a dumb error - in Key_List::output_lookup_function, where I printed the - string "&wordlist[key]" instead of the correct "&wordlist[index]". - - * Added a couple of #ifdefs for USG support. - -Sun Jun 3 17:16:36 1990 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Updated the version number to 2.5 and sent to Doug Lea for release - with the latest GNU libg++. - - * Changed the error handling when a keyword file cannot be opened - (now calls perror). - -Wed May 30 14:49:40 1990 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Instrumented the source code with trace statements automagically - inserted using my new automated trace instrumentation tool! - -Wed May 9 11:47:41 1990 Doug Schmidt (schmidt at siam.ics.uci.edu) - - * Really fixed the previous bug. Turns out that a small amount - of logic had to be duplicated to handle static links that occur - as part of dynamic link chains. What a pain!!! - -Tue May 8 23:11:44 1990 Doug Schmidt (schmidt at siam.ics.uci.edu) - - * Fixed a stupid bug in Key_List::output_lookup_array that was - causing incorrect counts to be generated when there were both - static and dynamic links occurring for the same hash value. - Also simplified the code that performs the logic in this routine. - -Mon Apr 30 17:37:24 1990 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Fixed stupid bug in Key_List::output_lookup_array that was - making the generated lookup[] array contain `chars' even - when the values stored in the chars are greater than 127! - - * Changed the behavior of the -G (global table) option so that it - will output the `length[]' array in the global scope along with - the `word_list[]' array. - - * Fixed a stupid bug in Key_List::output_lookup_function that - would always output the complicated `duplicate-handling' lookup - logic, even when there were no duplicates in the input! - - * Yikes, had to modify a bunch of stuff in key-list.cc to correctly - handle duplicate entries. Changed the generated code so that - the MIN_HASH_VALUE is no longer subtracted off when calculating - the hash value for a keyword. This required changing some other - code by substituting MAX_HASH_VALUE for TOTAL_KEYS in several places. - Finally, this means that the generated tables may contain leading - null entries, but I suppose it is better to trade-off space to get - faster performance... - -Mon Mar 26 13:08:43 1990 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Updated version number to 2.4 to reflect the latest changes. - - * Changed the main program so that it always prints out gperf's - execution timings to the generated output file. - -Sun Mar 25 12:39:30 1990 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Added the -Z option so that users can specify the name of the - generated class explicitly. Updated documentation to reflect - this change. - - * Modified the generated C++ class interface so that the functions - are declared static (to remove the overhead of passing the `this' - pointer). This means that operator()() can no longer be used, - since it only works on non-static member functions. - Also changed things so that there is no constructor (why waste - the extra call, when it doesn't do anything, eh?) - - * Modified the behavior of Key_List::output when the -L C++ option - is enabled. Previously the code generated use const data members - to record MIN_WORD_LENGTH, MIN_HASH_VALUE, etc. However, as - pointed out by James Clark this may result in suboptimal behavior - on the part of C++ compilers that can't inline these values. - Therefore, the new behavior is identical to what happens with - -L C, i.e., either #defines or function-specific enums are used. - Why sacrifice speed for some abstract notion of `code purity?' ;-) - -Tue Mar 6 18:17:42 1990 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Added the -E option that defines constant values using an enum - local to the lookup function rather than with #defines. This - also means that different lookup functions can reside in the - same file. Thanks to James Clark (jjc@ai.mit.edu). - -Sat Mar 3 20:19:00 1990 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Added a special case to key_list::output_switch that doesn't - generate extra comparisons when the `-S' is given an argument - of 1 (the normal case). This should speed up the generated - code output a tad... - -Fri Feb 23 14:21:28 1990 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Renamed all instances of member function get_keysig_size - to get_max_keysig_size, since this is more precise... - - * Changed all occurrences of charset to keysig (stands for ``key - signature'') to reflect the new naming convention used in the - USENIX paper. - -Thu Feb 22 11:28:36 1990 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Changed the name of the generated associated values table from - asso_value to asso_values to reflect conventions in the USENIX - C++ paper. - -Thu Feb 15 23:29:03 1990 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Updated the gperf.texinfo file to fix some formatting problems - that had crept in since last time. - -Wed Feb 14 23:27:24 1990 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Fixed stupid bug in key-list.cc (get_special_input), wher - gperf replaced each '%' with the succeeding character. - - * Added support for multiple target language generation. Currently - handled languages are C and C++, with C as the default. Updated - documentation and option handler to reflect the changes. - - * Added a global destructor to new.cc and removed the #ifdef, since - the bloody thing now works with libg++. - -Mon Feb 14 13:00:00 1990 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Found out that my gperf paper was accepted at the upcoming - USENIX C++ Conference in San Francisco. Yow! - -Tue Jan 30 09:00:29 1990 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * #ifdef'd out the new.cc memory allocator, since there are - problems with this and the libg++ stuff. - - * Changed key-list.h so that class Vectors is a public (rather - than private) base class for class Key_List. The previous - form was illegal C++, but wasn't being caught by the old - g++ compiler. Should work now... ;-) - -Sun Dec 10 14:08:23 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Added several changes from rfg@ics.uci.edu. These changes - help to automate the build process. - -Wed Nov 15 15:49:33 1989 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Removed conditional compilation for GATHER_STATISTICS. There's - really no good reason to avoid collecting this info at run-time, - since that section of code is *hardly* the bottleneck... ;-) - - * Simplified the C output routines in Key_List::set_output_types - and Key_List::output_keyword_table a bit in order to - speed-up and clean up the code generation. - - * Modified function Key_List::get_special_input so that it does - not try to `delete' a buffer that turned out to be too short. - This is important since the new memory management scheme - does not handle deletions. However, adding a small amount of - garbage won't hurt anything, since we generally don't do this - operation more than a couple times *at most*! - - * Created a new file (new.cc) which includes my own overloaded - operator new. This function should dramatically reduce the - number of calls to malloc since it grabs large chunks and - doles them out in small pieces. As a result of this change - the class-specific `operator new' was removed from class List_Node. - -Tue Nov 14 21:45:30 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Continued to refine the great hack. The latest trick is to - try and replace most uses of dynamic memory (i.e., calls to - new) with uses of gcc dynamic arrays (i.e., an alloca solution). - This makes life much easier for the overall process-size, since - it reduces the amount of overhead for memory management. As a - side-effect from this change there is no reason to have the - Bool_Array::dispose member function, so it's outta here! - - * Fixed a stupid bug that was an disaster waiting to happen... - Instead of making the boolean array large enough to index - max_hash_value it was only large enough to index max_hash_value - - 1. Once again, an off-by-one mistake in C/C++!!!! - -Mon Nov 13 19:38:27 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Added the final great hack! This allows us to generate hash tables - for near-perfect hash functions that contain duplicates, *without* - having to use switch statements! Since many compilers die on large - switch statements this feature is essential. Furthermore, it appears - that the generated code is often *smaller* than that put out by - compilers, even though a large, sparse array must be created. - Here's the general idea: - - a. Generate the wordlist as a contiguous block of keywords, - just as before when using a switch statement. This - wordlist *must* be sorted by hash value. - - b. Generate the lookup array, which is an array of signed - {chars,shorts,ints}, (which ever allows full coverage of - the wordlist dimensions). If the value v, where v = - lookup[hash(str,len)], is >= 0 and < TOTAL_KEYWORDS, then we - simply use this result as a direct access into the wordlist - array to snag the keyword for comparison. - - c. Otherwise, if v is < -TOTAL_KEYWORDS or > TOTAL_KEYWORDS - this is an indication that we'll need to search through - some number of duplicates hash values. Using a hash - linking scheme we'd then index into a different part of - the hash table that provides the starting index and total - length of the duplicate entries to find via linear search! - -Sun Nov 12 13:48:10 1989 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Simplified Key_List::output_min_max considerably by recognizing - that since the keyword list was already sorted by hash value finding - the min and max values is trivial! - - * Improved the debugging diagnostics considerably in classes Key_List, - Hash_Table, and Gen_Perf. - - * Modified the `-s' option so that a negative argument is now - interpreted to mean `allow the maximum associated value to be - about x times *smaller* than the number of input keys.' This - should help prevent massive explosion of generated hash table - size for large keysets. - -Sat Nov 11 11:31:13 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Added a field in class Key_List that counts the total number - of duplicate keywords, both static and dynamic. - - * Added a new member function Bool_Array that deletes the dynamic - memory allocated to Bool_Array::storage_array. This space may - be needed for subsequent options, so it made sense to free it as - soon as possible... - - * Renamed file/class Alpha_Vectors to Vectors, to avoid problems - with 14 character length filenames on SYSV. Also changed file - adapredefined.gperf to adadefs.gperf in the ./tests directory. - - * Modified class Options by changing the member function - Options::total_positions to Options::get_charset_size and - Options::set_charset_size. These two routines now either return - the total charset size *or* the length of the largest keyword - if the user specifies the -k'*' (ALLCHARS) option. This change - cleans up client code. - - * Merged all the cperf changes into gperf. - - * Made sure to explicitly initialize perfect.fewest_collisions to - 0. - - * Cleaned up some loose ends noticed by Nels Olson. - 1. Removed `if (collisions <= perfect.fewest_collisions)' - from Gen_Perf::affects_prev since it was superfluous. - 2. Removed the fields best_char_value and best_asso_value - from Gen_Perf. There were also unnecessary. - 3. Fixed a braino in the Bool_Array::bool_array_reset - function. Since iteration numbers can never be zero - the `if (bool_array.iteration_number++ == 0)' must be - `if (++bool_array.iteration_number == 0).' - 4. Modified Std_Err::report_error so that it correctly handles - "%%". - - * It is important to note that -D no longer enables -S. - There is a good reason for this change, which will become - manifested in the next release... (suspense!). - - * Made some subtle changes to Key_List::print_switch so that if finally - seems to work correctly. Needs more stress testing, however... - - * Made a major change to the Key_List::print_switch function. - The user can now specify the number of switch statements to generate - via an argument to the -S option, i.e., -S1 means `generate 1 - switch statement with all keywords in it,' -S2 means generate - 2 switch statements with 1/2 the elements in each one, etc. - Hopefully this will fix the problem with C compilers not being - able to generate code for giant switch statements (but don't - hold your breath!) - - * Changed Key_List::length function to Key_List::keyword_list_length. - - * Added a feature to main.c that prints out the starting wall-clock - time before the program begins and prints out the ending wall-clock - time when the program is finished. - - * Added the GATHER_STATISTICS code in hash-table.c so we can - keep track of how well double hashing is doing. Eventually, - GATHER_STATISTICS will be added so that all instrumentation - code can be conditionally compiled in. - - * Fixed a stupid bug in Key_List::print_switch routine. This - was necessary to make sure the generated switch statement worked - correctly when *both* `natural,' i.e., static links and dynamic - links, i.e., unresolved duplicates, hash to the same value. - - * Modified Bool_Array::~Bool_Array destructor so that - it now frees the bool_array.storage_array when it is no longer - needed. Since this array is generally very large it makes sense - to return the memory to the freelist when it is no longer in use. - - * Changed the interface to constructor Hash_Table::Hash_Table. This - constructor now passed a pointer to a power-of-two sized buffer that - serve as storage for the hash table. Although this weakens information - hiding a little bit it greatly reduces dynamic memory fragmentation, - since we can now obtain the memory via a call to alloca, rather - than malloc. This change modified Key_List::read_keys calling - interface. - - * Since alloca is now being used more aggressively a conditional - compilation section was added in main.c. Taken from GNU GCC, - this code gets rid of any avoidable limit on stack size so that - alloca does not fail. It is only used if the -DRLIMIT_STACK - symbol is defined when gperf is compiled. - - * Added warnings in option.c so that user's would be informed - that -r superceeds -i on the command-line. - - * Rewrote Gen_Perf::affects_prev. First, the code structure - was cleaned up considerably (removing the need for a dreaded - goto!). Secondly, a major change occurred so that Gen_Perf::affects_prev - returns FALSE (success) when fewest_hits gets down to whatever - it was after inserting the previous key (instead of waiting for - it to reach 0). In other words, it stops trying if it can - resolve the new collisions added by a key, even if there are - still other old, unresolved collisions. This modification was - suggested by Nels Olson and seems to *greatly* increase the - speed of gperf for large keyfiles. Thanks Nels! - - * In a similar vein, inside the Gen_Perf::change routine - the variable `perfect.fewest_collisions is no longer initialized - with the length of the keyword list. Instead it starts out at - 0 and is incremented by 1 every time change () is called. - The rationale for this behavior is that there are times when a - collision causes the number of duplicates (collisions) to - increase by a large amount when it would presumably just have - gone up by 1 if none of the asso_values were changed. That is, - at the beginning of change(), you could initialize fewest_hits - to 1+(previous value of fewest_hits) instead of to the number of - keys. Thanks again, Nels. - - * Replaced alloca with new in the Gen_Perf::change function. - This should eliminate some overhead at the expense of a little - extra memory that is never reclaimed. - - * Renamed Gen_Perf::merge_sets to Gen_Perf::compute_disjoint_union - to reflect the change in behavior. - - * Added the -e option so users can supply a string containing - the characters used to separate keywords from their attributes. - The default behavior is ",\n". - - * Removed the char *uniq_set field from LIST_NODE and modified - uses of uniq_set in perfect.c and keylist.c. Due to changes - to Gen_Perf::compute_disjoint_sets this field was no longer - necessary, and its removal makes the program smaller and - potentially faster. - - * Added lots of changes/fixes suggested by Nels Olson - (umls.UUCP!olson@mis.ucsf.edu). In particular: - 1. Changed Bool_Array so that it would dynamically create - an array of unsigned shorts rather than ints if the - LO_CAL symbol was defined during program compilation. - This cuts the amount of dynamic memory usage in half, - which is important for large keyfile input. - 2. Added some additional debugging statements that print extra - info to stderr when the -d option is enabled. - 3. Fixed a really stupid bug in Key_List::print_switch - A right paren was placed at the wrong location, which broke - strlen (). - 4. Fixed a subtle problem with printing case values when keylinks - appear. The logic failed to account for the fact that there - can be keylinks *and* regular node info also! - 5. Changed the behavior of Key_List::read_keys so that it would - honor -D unequivocally, i.e., it doesn't try to turn off dup - handling if the user requests it, even if there are no - immediate links in the keyfile input. - 6. Modified the -j option so that -j 0 means `try random values - when searching for a way to resolve collisions.' - 7. Added a field `num_done' to the Gen_Perf struct. This is used - to report information collected when trying to resolve - hash collisions. - 8. Modified the merge_sets algorithm to perform a disjoint - union of two multisets. This ensures that subsequent - processing in Gen_Perf::affect_prev doesn't - waste time trying to change an associated value that is - shared between two conflicting keywords. - 9. Modified Gen_Perf::affects_prev so that it doesn't try - random jump values unless the -j 0 option is enabled. - 10. Fixed a silly bug in Gen_Perf::change. This problem caused - gperf to seg fault when the -k* option was given and the - keyfile file had long keywords. - -Sun Oct 29 00:18:55 1989 Doug Schmidt (schmidt at siam.ics.uci.edu) - - * Modified class-specific new operations for Read_Line and - List_Node so they don't fail if SIZE is larger than twice - the previous buffer size. Note we double buffer size - everytime the previous buffer runs out, as a heuristic - to reduce future calls to malloc. - -Sun Oct 22 13:49:43 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Updated gperf version number to 2.0. Send to Doug Lea for - incorporation into the long-awaited `official' libg++ 1.36 - release! - - * Thanks to Nels Olson a silly bug in Gen_Perf::change () - was fixed. This problem caused gperf to seg fault when - the -k* option was given and the keyfile file had long - keywords. - - * Modified Key_List::print_hash_function so that it output - max_hash_value + 1 (rather than just max_hash_value) for - any associated value entries that don't correspond to - keyword charset characters. This should speed up rejection - of non-keyword strings a little in some cases. - -Sat Oct 21 19:28:36 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Fixed Key_List::print_hash_function so that it no longer output - things like `return 0 + ...' Although this probably gets - optimized away by even the worst C compilers there isn't any - point tempting fate... ;-) - - * Fixed class List_Node's constructor so that it wouldn't a priori - refuse to consider trying to hash keys whose length is less - than the smallest user-specified key position. It turns out - this is not a problem unless the user also specifies the -n - (NOLENGTH) option, in which case such keys most likely - don't have a prayer of being hashed correctly! - - * Changed the name of the generated lookup table from `Hash_Table' - to `asso_value' to be consistent with the gperf paper. - -Tue Oct 17 14:19:48 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Added a flag GATHER_STATISTICS in the Makefile. If defined - during compilation this turns on certain collection facilities - that track the performance of gperf during its execution. In - particular, I want to see how many collisions occur for the - double hashing Hash_Table. - - * Added a safety check so that we don't screw up if the total - number of `resets' of the Bool_Array exceeds MAX_INT. Since - this number is around 2^31 it is unlikely that this would ever - occur for most input, but why take the risk? - - * Changed the behavior for the -a (ANSI) option so that the - generated prototypes use int rather than size_t for the LEN - parameter. It was too ugly having to #include <stddef.h> all - over the place... - -Mon Oct 16 11:00:35 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Continued to work on the gperf paper for the USENIX C++ - conference. At some point this will be merged back into - the gperf documentation... - -Sat Oct 14 20:29:43 1989 Doug Schmidt (schmidt at siam.ics.uci.edu) - - * Added a majorly neat hack to Bool_Array, suggested by rfg. - The basic idea was to throw away the Ullman array technique. - The Ullman array was used to remove the need to reinitialize all - the Bool_Array elements to zero everytime we needed to determine - whether there were duplicate hash values in the keyword list. - The current trick uses an `iteration number' scheme, which takes - about 1/3 the space and reduces the overall program running a - time by about 20 percent for large input! The hack works as - follows: - - 1. Dynamically allocation 1 boolean array of size k. - 2. Initialize the boolean array to zeros, and consider the first - iteration to be iteration 1. - 2. Then on all subsequent iterations we `reset' the bool array by - kicking the iteration count by 1. - 3. When it comes time to check whether a hash value is currently - in the boolean array we simply check its index location. If - the value stored there is *not* equal to the current iteration - number then the item is clearly *not* in the set. In that - case we assign the iteration number to that array's index - location for future reference. Otherwise, if the item at - the index location *is* equal to the iteration number we've - found a duplicate. No muss, no fuss! - -Mon Oct 2 12:30:54 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Changed some consts in options.h to enumerals, since g++ - doesn't seem to like them at the moment! - -Sat Sep 30 12:55:24 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Fixed a stupid bug in Key_List::print_hash_function that manifested - itself if the `-k$' option was given (i.e., only use the key[length] - character in the hash function). - - * Added support for the -C option. This makes the contents of - all generated tables `readonly'. - - * Changed the handling of generated switches so that there is - only one call to str[n]?cmp. This *greatly* reduces the size of - the generated assembly code on all compilers I've seen. - - * Fixed a subtle bug that occurred when the -l and -S option - was given. Code produced looked something like: - - if (len != key_len || !strcmp (s1, resword->name)) return resword; - - which doesn't make any sense. Clearly, this should be: - - if (len == key_len && !strcmp (s1, resword->name)) return resword; - -Tue Sep 26 10:36:50 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Changed class Read_Line's definition so that it no longer - needs to know about the buffering scheme used to speed up - dynamic memory allocation of input keywords and their - associated attributes. This means that operator new is no longer - a friend of Read_Line. - -Mon Sep 25 23:17:10 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Decided that Obstacks had too much overhead, so they were - removed in favor of super-efficient, low-overhead buffered - storage allocation hacks in Read_Line and List_Node. - - * No longer try to inline functions that g++ complains about - (Key_List::Merge and Key_List::Merge_Sort). - -Sun Sep 24 13:11:24 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Changed classes Read_Line and List_Node to use Obstacks in order - to cache memory allocation for keyword strings and List_Nodes. - - * Continued to experiment with inheritance schemes. - - * Added a new file `alpha.h', that declares static data shared - (i.e., inherited) between classes List_Node and Key_List. - -Tue Sep 12 16:14:41 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Made numerous changes to incorporate multiple inheritance in - gperf. - -Wed Aug 16 23:04:08 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Added the -DCOMPILER_FIXED flag to the ./src/Makefile. This - implies that people trying to compile gperf need to have a - working version of the new g++ compiler (1.36.0). - - * Removed some extra spaces that were being added in the generated - C code. - -Mon Jul 24 17:09:46 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Fixed PRINT_HASH_FUNCTION and PRINT_LOOKUP_FUNCTION in keylist.c - so that the generated functions take an unsigned int length argument. - If -a is enabled the prototype is (const char *str, size_t len). - -Fri Jul 21 13:06:15 1989 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Fixed a typo in PRINT_KEYWORD_TABLE in keylist.cc that prevented - the indentation from working correctly. - - * Fixed a horrible typo in PRINT_KEYWORD_TABLE in keylist.cc - that prevented links from being printed correctly. - -Tue Jul 18 16:04:31 1989 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Fixed up readline.cc and readline.h so that they work OK - with g++ compilers that aren't completely up-to-date. - If symbol COMPILER_FIXED is defined then the behavior - that works on my more recent version of g++ is enabled. - -Sun Jul 9 17:53:28 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Changed the ./tests subdirectory Makefile so that it - uses $(CC) instead of gcc. - -Sun Jul 2 21:52:15 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Fixed a number of subtle bugs that occurred when -S was - combined with various and sundry options. - - * Added the -G option, that makes the generated keyword table - a global static variable, rather than hiding it inside - the lookup function. This allows other functions to directly - access the contents in this table. - - * Added the "#" feature, that allows comments inside the keyword - list from the input file. Comment handling takes place in readline.c. - This simplifies the code and reduces the number of malloc calls. - - * Also added the -H option (user can give the name of the hash - function) and the -T option (prevents the transfer of the type decl - to the output file, which is useful if the type is already defined - elsewhere). - -Thu Jun 22 20:39:39 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Modified many classes so that they would inherit Std_Err as - a base class. This makes things more abstract... - -Fri Jun 16 14:23:00 1989 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Modified the -f (FAST) option. This now takes an argument. - The argument corresponds to the number of iterations used - to resolve collisions. -f 0 uses the length of the - keyword list (which is what -f did before). This makes - life much easier when dealing with large keyword files. - -Tue Jun 6 17:53:27 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Added the -c (comparison) option. Enabling this - will use the strncmp function for string comparisons. - The default is to use strcmp. - - * Fixed a typo in key_list.cc (PRINT_SWITCH). This caused - faulty C code to be generated when the -D, -p, and -t - options were all enabled. - -Thu May 25 14:07:21 1989 Doug Schmidt (schmidt at siam.ics.uci.edu) - - * Once again, changed class Read_Line to overload global operator - new. Hopefully, this will work...! - -Sun May 21 01:51:45 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Modified Key_List::print_hash_function () so that it properly - formats the associated values in the hash table according to - the maximum number of digits required to represent the largest - value. - - * Removed the named return value from class Hash_Table's - operator (), since this causes a seg fault when -O is enabled. - No sense tripping subtle g++ bugs if we don't have to.... ;-) - - * Removed the operator new hack from Read_Line, since this seemed - to create horrible bus error problems. - - * Changed many class member functions and data members to be `static', - if they don't manipulate this! - -Fri May 12 23:06:56 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Changed class Std_Err to use static member functions, a la - Ada or Modula 2. This eliminates the need for an explicit - error-handler class object. - - * Added the ``named return value'' feature to Hash_Table::operator () - and Bool_Array::operator [], just for the heck of it.... ;-) - - * Changed the previous hack in Read_Line so that we now use - the overloaded global `new' instead of NEW_STRING! - -Wed May 3 17:36:55 1989 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Updated to version 1.7. This reflects the recent major changes - and the new C port. - - * Modified the GNU getopt.cc routine to have a class-based interface. - - * Fixed a typo in Perfect.cc ~Perfect that prevented the actual maximum - hash table size from being printed (maybe the stream classes - weren't so bad after all.... ;-). - - * Added support for the -f option. This generates the perfect - hash function ``fast.'' It reduces the execution time of - gperf, at the cost of minimizing the range of hash values. - -Tue May 2 16:23:29 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Added an efficiency hack to Read_Line. Instead of making - a call to operator NEW (a.k.a. malloc) for each input string - a new member function NEW_STRING stores a large buffer from - which new strings are carved out, growing the buffer if - necessary. It might be useful to add this throughout the - program.... - - * Removed all unnecessary calls to DELETE. If the program is about - to exit it is silly to waste time freeing memory. - - * Added the GNU getopt program to the distribution. This makes - GPERF portable to systems that don't include getopt in libc. - - * Added a strcspn member to class Key_List. This also increases - portability. - - * Added the get_include_src function from keylist.c as a member - function in class Key_List. Hopefully every function is - now associated with a class. This aids abstraction and - modularity. - - * Ported gperf to C. From now on both K&R C and GNU G++ versions - will be supported. There will be two ChangeLog files, one - for each version of the program. - -Mon May 1 16:41:45 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Fixed a bug with -k'*'. This now prints out *all* the cases - up to the length of the longest word in the keyword set. - -Sun Apr 30 12:15:25 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Removed all use of the stream classes. Too ugly, slow, and - not handled by the c++-mode formatter.... - - * Modified the handling of links (i.e., keywords that have - identical hash values as other keywords). This should - speed up hash function generation for keyword sets with - many duplicate entries. The trick is to treat duplicate - values as equivalence classes, so that each set of duplicate - values is represented only once in the main list processing. - - * Fixed some capitialization typos and indentations mistakes in - Key_List::print_hash_function. - -Sat Apr 29 12:04:03 1989 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Fixed a typo/logico in Key_List::print_switch that prevented - the last keyword in the keyword list to be print out. This - requires further examination..... - - * Fixed a stupid bug in List_Node::List_node. If the -k'*' option - was enabled the KEY_SET string wasn't getting terminated with - '\0'! - -Fri Apr 28 12:38:35 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Renamed strexp.h and strexp.cc to iterator.h and iterator.cc. - Also changed the strexp class to iterator. Continued to work - on style... - - * Updated the version number to 1.6. This reflects all the - recent changes. - -Thu Apr 27 00:14:51 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Added the -D option that properly handles keyword sets that - contain duplicate hash values. - - * Continued the stylistic changes. Added the #pragma once - directive to all the *.h files. Removed all #defines and - replaced them with static consts. Also moved the key_sort - routine from options.cc into the options class as a - member function. - -Mon Apr 3 13:26:55 1989 Doug Schmidt (schmidt at zola.ics.uci.edu) - - * Made massive stylistic changes to bring source code into - conformance with GNU style guidelines. - -Thu Mar 30 23:28:45 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Fixed up the output routines so that they generate code - corresponding to the GNU style guidelines. - -Sat Mar 11 13:12:37 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Fixed Stderr constructors so that they wouldn't try to - use the base class initializer syntax for the static - class variable Program_Name. G++ 1.34 is stricter in - enforcing the rules! - -Fri Mar 10 11:24:14 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Removed -v and ``| more'' from the Makefile to keep rfg happy... - -Thu Mar 2 12:37:30 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Sent latest GNU gperf version 1.5 to Doug Lea for inclusion - into libg++ 1.34. Note that there is a small bug with - the new %{ ... %} source inclusion facility, since it doesn't - understand comments and will barf if %{ or %} appear nested - inside the outermost delimiters. This is too trivial of - a defect to fix at the moment... - -Tue Feb 28 11:19:58 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Added the -K option, which allows the user to provide a - alternative name for the keyword structure component. - The default is still ``name.'' - - * Added the LEX and YACC-like ability to include arbitrary - text at the beginning of the generated C source code output. - This required two new functions Get_Special_Input, - Key_List::Save_Include_Src; - - * Fixed memory allocation bug in Key_List::Set_Types. - Variable Return_Type needs 1 additional location - to store the "*" if the -p option is used. - - * Added code to NULL terminate both Struct_Tag and Return_Type, - *after* the strncpy (stupid mistake). - -Mon Feb 27 14:39:51 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Added a new option -N. This allows the user to specify the - name to be used for the generated lookup function. The - default name is still ``in_word_set.'' This makes it - possible to completely automate the perfect hash function - generation process! - -Mon Feb 20 23:33:14 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Corrected the Hash_Table::operator () function so that - *it* is responsible for deciding when a new key has the - same signature as a previously seen key. The key length - information is now used internally to this function to - decide whether to add to the hash table those keys with - the same key sets, but different lengths. Before, this - was handled by the Key_List::Read_Keys function. However, - this failed to work for certain duplicate keys, since - they weren't being entered into the hash table properly. - -Sun Feb 19 16:02:51 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Modified class Options by moving the enum Option_Type out - of the class. This is to satisfy the new enumeration - scope rules in C++. - -Sun Jan 15 15:12:09 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Incremented the version number upto 1.4 to reflect the new - options that affect the generated code. Send the new - distribution off to Michael for use with g++ 1.33. - - * Added a fix to Key_List::Read_Keys so that it checks for links - properly when the -n option is used. Previously, it didn't - catch obvious links, which caused it to spend large amount - of time searching for a solution that could never occur! - - * Modified the Key_List data structure to record *both* the - minimum and the maximum key lengths. This information - is now computed in Key_List::Read_Keys, and thus - Key_List::Print_Min_Max doesn't need to bother. - - * Modifed the key position iterator scheme in options.cc to - eliminate the need for member function Options::Advance. - Now, the Options::Get function performs the advancement - automatically, obviating the need for an extra function call. - - * Added the new function Options::Print_Options, to print out - the user-specified command line options to generated C - output file. - - * Added a new function, Key_List::Print_Keylength_Table, - which creates a table of lengths for use in speeding - up the keyword search. This also meant that a new - option, -l (LENTABLE) is recognized. It controls - whether the length table is printed and the comparison - made in the generated function ``in_word_set.'' - - * Added a comment at the top of the generated C code - output file that tells what version of gperf was used. - Next, I'll also dump out the command line options - as a comment too. Thanks to Michael Tiemann for the - feedback on this. - - * Fixed the -n option to make it work correctly with - other parts of the program (most notably the Perfect::Hash - function and the computation of minimum and maximum lengths. - -Fri Jan 13 21:25:27 1989 Doug Schmidt (schmidt at siam.ics.uci.edu) - - * Realized the the need to add a test that will enable - optimziation of the generated C code in the ``hash'' function - by checking whether all the requested key positions are - guaranteed to exist due to the comparison in `in_word_set.'' - I'll put this in soon.... - -Thu Jan 12 20:09:21 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Added pascal, modula3, and modula2 tests inputs to the - Makefile - - * Recognised that there is a bug with the -n option. However - I'm too busy to fix it properly, right now. The problem - is that the generated #define end up being 0, since that's - my hack to make -n work. This needs complete rethinking! - -Tue Jan 10 00:08:16 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Added a new option, -n, that instructs gperf to not use the - length of an identifier when computing the hash functions. - I'm not sure how useful this is! - - * Retransmitted the distribution to rocky.oswego.edu. Hopefully, - this will work! - - * Began fixing the indentation and capitalization to conform - to the GNU coding guidelines. - -Mon Jan 9 22:23:18 1989 Doug Schmidt (schmidt at pompe.ics.uci.edu) - - * Fixed horrible bug in Read_Line::Readln_Aux. This was - a subtle and pernicous off-by-1 error, that overwrote - past the last character of the input string buffer. I - think this fault was killing the vax! - - * Yow, fixed an oversight in List_Node::List_Node, where the - pointer field Next was uninitialized. Luckily, the new routine - seems to return 0 filled objects the first time through! - -Sun Jan 8 13:43:14 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Modified the ``key linked'' diagnostic in Key_List::Read_Keys - to be more helpful and easy to read. - - * Fixed the List_Node::List_Node so that it would ignore trailing - fields if the -t option was not enabled. - - * Moved the List_Node declarations out of keylist.h and - into a file of its own, called listnode.cc and listnode.h - Made Set_Sort a member function of class List_Node. - - * Massively updated the documentation in the gperf.texinfo file. - - * Polished off the major revision to the print functions, - added a few new tests in the Makefile to check for the - validity of the program and ftp'ed the entire distribution - off to Doug Lea for libg++. ( changed it to - 1.3 to reflect the major changes with the generated - C code ). - - * Fixed Key_List::Print_Switch to deal with the -p and -t options. - This meant that the ``still-born'' function Key_List:: - Print_Type_Switch was superflous, so I removed it. - Also, removed the restriction in Option that the -p and - -t options couldn't be used simultaneously. - - * Modified List_Node::List_Node, to perform only 1 call to - ``new'' when dynamically allocating memory for the Key_Set - and the Uniq_Set. - -Sat Jan 7 14:10:51 1989 Doug Schmidt (schmidt at glacier.ics.uci.edu) - - * Fixed a big bug with the new policy of nesting the - wordlist inside of generated function ``in_word_set.'' - I'd forgotten to declare the wordlist array as static! - ( arrgh ). - - * Added a new function Key_List::Set_Types, that figures out - the return type for generated function ``in_word_set,'' - the user-defined ``struct tag,'' if one is used, and also - formates the array type for the static local array. - - * Changed the print routines to take advantage of the - new -p option. - - * Began adding the hooks to allow the return of a pointer - to a user defined struct location from the generated - ``in_word_set'' function instead of the current 0 or 1 - return value. Created function Key_List::Print_Type_Switch - and added option -p to class Option, allowing the user to - request generation of the aforementioned pointers returned - instead of booleans. - - * Put in checks in class Option to make sure that -S and -t - options are not used simultaneously. This restriction - will be removed in subsequent releases, once I decide on - a clean way to implement it. - - * Sent version 1.2 to Doug Lea for possible inclusion into - the libg++ distribution. - - * Moved the static word_list array inside the generated function - in_word_set. This supports better data hiding. - - * Added a texinfo file, gperf.texinfo - - * Revised the Makefile to cleanup the droppings from texinfo - and changed the name of gperf.cc and gperf.h to perfect.cc - and perfect.h. - -Fri Jan 6 13:04:45 1989 Doug Schmidt (schmidt at crimee.ics.uci.edu) - - * Implemented the switch statement output format. Much better - for large datasets in terms of space used. - - * Added new functions to break up the Key_List::Output function. - Functions added were Key_List::Print_Switch, - Key_List::Print_Min_Max, Key_List::Print_Keyword_Table, - Key_List::Print_Hash_Function, and - Key_List::Print_Lookup_Function. This simplifies the big mess - in Key_List::Output considerably! - - * Added switch statement option to Options, which potentially - trades time for space in the generated lookup code. - -Thu Jan 5 22:46:34 1989 Doug Schmidt (schmidt at siam.ics.uci.edu) - - * Released version 1.1 - - * Fixed a bug with Gperf::Merge_Set, it was skipping letters - shared between the Set_1 and Set_2. - - * Added the optimal min/max algorithm in Key_List::Output. This - runs in O (3n/2), rather than O (2n) time. - - * Changed Gperf::Sort_Set to use insertion sort, rather than - bubble sort. - - * Added a check in Key_List::Output for the special case where - the keys used are 1,$. It is possible to generate more - efficient C code in this case. diff --git a/apps/gperf/Makefile b/apps/gperf/Makefile deleted file mode 100644 index f9a0d4b9bd1..00000000000 --- a/apps/gperf/Makefile +++ /dev/null @@ -1,25 +0,0 @@ -#---------------------------------------------------------------------------- -# @(#)Makefile 1.1 10/18/96 -# -# Makefile for the Orbix applications -#---------------------------------------------------------------------------- - -#---------------------------------------------------------------------------- -# Local macros -#---------------------------------------------------------------------------- - -INFO = README - -DIRS = src \ - tests - -#---------------------------------------------------------------------------- -# Include macros and targets -#---------------------------------------------------------------------------- - -include $(WRAPPER_ROOT)/include/makeinclude/wrapper_macros.GNU -include $(WRAPPER_ROOT)/include/makeinclude/macros.GNU -include $(WRAPPER_ROOT)/include/makeinclude/rules.common.GNU -include $(WRAPPER_ROOT)/include/makeinclude/rules.nested.GNU -include $(WRAPPER_ROOT)/include/makeinclude/rules.nolocal.GNU - diff --git a/apps/gperf/README b/apps/gperf/README deleted file mode 100644 index bd9d14ea680..00000000000 --- a/apps/gperf/README +++ /dev/null @@ -1,24 +0,0 @@ -While teaching a data structures course at University of California, -Irvine, I developed a program called GPERF that generates perfect hash -functions for sets of key words. A perfect hash function is simply: - - A hash function and a data structure that allows - recognition of a key word in a set of words using - exactly 1 probe into the data structure. - -The gperf.texinfo file explains how the program works, the form of the -input, what options are available, and hints on choosing the best -options for particular key word sets. The texinfo file is readable -both via the GNU emacs `info' command, and is also suitable for -typesetting with TeX. - -The enclosed Makefile creates the executable program ``gperf'' and -also runs some tests. - -Output from the GPERF program is used to recognize reserved words in -the GNU C, GNU C++, and GNU Pascal compilers, as well as with the GNU -indent program. - -Happy hacking! - -Douglas C. Schmidt diff --git a/apps/gperf/gperf.1 b/apps/gperf/gperf.1 deleted file mode 100644 index 5673c80062a..00000000000 --- a/apps/gperf/gperf.1 +++ /dev/null @@ -1,23 +0,0 @@ -.TH GPERF 1 "December 16, 1988 -.UC 4 -.SH NAME -gperf \- generate a perfect hash function from a key set -.SH SYNOPSIS -.B gperf -[ -.B \-adghijklnoprsStv -] [ -.I keyfile -] -.SH DESCRIPTION - -\fIgperf\fP reads a set of ``keys'' from \fIkeyfile\fP (or, by -default, from the standard input) and attempts to find a non-minimal -perfect hashing function that recognizes a member of the key set in -constant, i.e., O(1), time. If such a function is found the program -generates a pair of \fIC\fP source code routines that perform the -hashing and table lookup. All generated code is directed to the -standard output. - -Please refer to the \fIgperf.texinfo\fP file for more information. -This file is distributed with \fIgperf\fP release. diff --git a/apps/gperf/gperf.info b/apps/gperf/gperf.info deleted file mode 100644 index a0947230573..00000000000 --- a/apps/gperf/gperf.info +++ /dev/null @@ -1,1127 +0,0 @@ -This is Info file gperf.info, produced by Makeinfo-1.55 from the input -file ./gperf.texi. - -START-INFO-DIR-ENTRY -* Gperf: (gperf). Perfect Hash Function Generator. -END-INFO-DIR-ENTRY - - This file documents the features of the GNU Perfect Hash Function -Generator - - Copyright (C) 1989 Free Software Foundation, Inc. - - Permission is granted to make and distribute verbatim copies of this -manual provided the copyright notice and this permission notice are -preserved on all copies. - - Permission is granted to copy and distribute modified versions of -this manual under the conditions for verbatim copying, provided also -that the section entitled "GNU General Public License" is included -exactly as in the original, and provided that the entire resulting -derived work is distributed under the terms of a permission notice -identical to this one. - - Permission is granted to copy and distribute translations of this -manual into another language, under the above conditions for modified -versions, except that the section entitled "GNU `gperf' General Public -License" an d this permission notice may be included in translations -approved by the Free Software Foundation instead of in the original -English. - - -File: gperf.info, Node: Top, Next: Copying, Prev: (dir), Up: (dir) - -Introduction -************ - - This manual documents the GNU `gperf' perfect hash function generator -utility, focusing on its features and how to use them, and how to report -bugs. - -* Menu: - -* Copying:: GNU `gperf' General Public License says - how you can copy and share `gperf'. -* Contributors:: People who have contributed to `gperf'. -* Motivation:: Static search structures and GNU GPERF. -* Search Structures:: Static search structures and GNU `gperf' -* Description:: High-level discussion of how GPERF functions. -* Options:: A description of options to the program. -* Bugs:: Known bugs and limitations with GPERF. -* Projects:: Things still left to do. -* Implementation:: Implementation Details for GNU GPERF. -* Bibliography:: Material Referenced in this Report. - - -- The Detailed Node Listing -- - -High-Level Description of GNU `gperf' - -* Input Format:: Input Format to `gperf' -* Output Format:: Output Format for Generated C Code with `gperf' - -Input Format to `gperf' - -* Declarations:: `struct' Declarations and C Code Inclusion. -* Keywords:: Format for Keyword Entries. -* Functions:: Including Additional C Functions. - - -File: gperf.info, Node: Copying, Next: Contributors, Prev: Top, Up: Top - -GNU GENERAL PUBLIC LICENSE -************************** - - Version 1, February 1989 - - Copyright (C) 1989 Free Software Foundation, Inc. - 675 Mass Ave, Cambridge, MA 02139, USA - - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - -Preamble -======== - - The license agreements of most software companies try to keep users -at the mercy of those companies. 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Of course, the -commands you use may be called something other than `show w' and `show -c'; they could even be mouse-clicks or menu items--whatever suits your -program. - - You should also get your employer (if you work as a programmer) or -your school, if any, to sign a "copyright disclaimer" for the program, -if necessary. Here a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the - program `Gnomovision' (a program to direct compilers to make passes - at assemblers) written by James Hacker. - - SIGNATURE OF TY COON, 1 April 1989 - Ty Coon, President of Vice - - That's all there is to it! - - -File: gperf.info, Node: Contributors, Next: Motivation, Prev: Copying, Up: Top - -Contributors to GNU `gperf' Utility -*********************************** - - * The GNU `gperf' perfect hash function generator utility was - originally written in GNU C++ by Douglas C. Schmidt. It is now - also available in a highly-portable "old-style" C version. The - general idea for the perfect hash function generator was inspired - by Keith Bostic's algorithm written in C, and distributed to - net.sources around 1984. The current program is a heavily - modified, enhanced, and extended implementation of Keith's basic - idea, created at the University of California, Irvine. Bugs, - patches, and suggestions should be reported to schmidt at - ics.uci.edu. - - * Special thanks is extended to Michael Tiemann and Doug Lea, for - providing a useful compiler, and for giving me a forum to exhibit - my creation. - - In addition, Adam de Boor and Nels Olson provided many tips and - insights that greatly helped improve the quality and functionality - of `gperf'. - - -File: gperf.info, Node: Motivation, Next: Search Structures, Prev: Contributors, Up: Top - -Introduction -************ - - `gperf' is a perfect hash function generator written in C++. It -transforms an *n* element user-specified keyword set *W* into a perfect -hash function *F*. *F* uniquely maps keywords in *W* onto the range -0..*k*, where *k* >= *n*. If *k = n* then *F* is a *minimal* perfect -hash function. `gperf' generates a 0..*k* element static lookup table -and a pair of C functions. These functions determine whether a given -character string *s* occurs in *W*, using at most one probe into the -lookup table. - - `gperf' currently generates the reserved keyword recognizer for -lexical analyzers in several production and research compilers and -language processing tools, including GNU C, GNU C++, GNU Pascal, GNU -Modula 3, and GNU indent. Complete C++ source code for `gperf' is -available via anonymous ftp from ics.uci.edu. `gperf' also is -distributed along with the GNU libg++ library. A highly portable, -functionally equivalent K&R C version of `gperf' is archived in -comp.sources.unix, volume 20. Finally, a paper describing `gperf''s -design and implementation in greater detail is available in the Second -USENIX C++ Conference proceedings. - - -File: gperf.info, Node: Search Structures, Next: Description, Prev: Motivation, Up: Top - -Static search structures and GNU `gperf' -**************************************** - - A "static search structure" is an Abstract Data Type with certain -fundamental operations, *e.g.*, *initialize*, *insert*, and *retrieve*. -Conceptually, all insertions occur before any retrievals. In -practice, `gperf' generates a `static' array containing search set -keywords and any associated attributes specified by the user. Thus, -there is essentially no execution-time cost for the insertions. It is -a useful data structure for representing *static search sets*. Static -search sets occur frequently in software system applications. Typical -static search sets include compiler reserved words, assembler -instruction opcodes, and built-in shell interpreter commands. Search -set members, called "keywords", are inserted into the structure only -once, usually during program initialization, and are not generally -modified at run-time. - - Numerous static search structure implementations exist, *e.g.*, -arrays, linked lists, binary search trees, digital search tries, and -hash tables. Different approaches offer trade-offs between space -utilization and search time efficiency. For example, an *n* element -sorted array is space efficient, though the average-case time -complexity for retrieval operations using binary search is proportional -to log *n*. Conversely, hash table implementations often locate a -table entry in constant time, but typically impose additional memory -overhead and exhibit poor worst case performance. - - *Minimal perfect hash functions* provide an optimal solution for a -particular class of static search sets. A minimal perfect hash -function is defined by two properties: - - * It allows keyword recognition in a static search set using at most - *one* probe into the hash table. This represents the "perfect" - property. - - * The actual memory allocated to store the keywords is precisely - large enough for the keyword set, and *no larger*. This is the - "minimal" property. - - For most applications it is far easier to generate *perfect* hash -functions than *minimal perfect* hash functions. Moreover, non-minimal -perfect hash functions frequently execute faster than minimal ones in -practice. This phenomena occurs since searching a sparse keyword table -increases the probability of locating a "null" entry, thereby reducing -string comparisons. `gperf''s default behavior generates -*near-minimal* perfect hash functions for keyword sets. However, -`gperf' provides many options that permit user control over the degree -of minimality and perfection. - - Static search sets often exhibit relative stability over time. For -example, Ada's 63 reserved words have remained constant for nearly a -decade. It is therefore frequently worthwhile to expend concerted -effort building an optimal search structure *once*, if it subsequently -receives heavy use multiple times. `gperf' removes the drudgery -associated with constructing time- and space-efficient search -structures by hand. It has proven a useful and practical tool for -serious programming projects. Output from `gperf' is currently used in -several production and research compilers, including GNU C, GNU C++, -GNU Pascal, and GNU Modula 3. The latter two compilers are not yet -part of the official GNU distribution. Each compiler utilizes `gperf' -to automatically generate static search structures that efficiently -identify their respective reserved keywords. - - -File: gperf.info, Node: Description, Next: Options, Prev: Search Structures, Up: Top - -High-Level Description of GNU `gperf' -************************************* - -* Menu: - -* Input Format:: Input Format to `gperf' -* Output Format:: Output Format for Generated C Code with `gperf' - - The perfect hash function generator `gperf' reads a set of -"keywords" from a "keyfile" (or from the standard input by default). -It attempts to derive a perfect hashing function that recognizes a -member of the "static keyword set" with at most a single probe into the -lookup table. If `gperf' succeeds in generating such a function it -produces a pair of C source code routines that perform hashing and -table lookup recognition. All generated C code is directed to the -standard output. Command-line options described below allow you to -modify the input and output format to `gperf'. - - By default, `gperf' attempts to produce time-efficient code, with -less emphasis on efficient space utilization. However, several options -exist that permit trading-off execution time for storage space and vice -versa. In particular, expanding the generated table size produces a -sparse search structure, generally yielding faster searches. -Conversely, you can direct `gperf' to utilize a C `switch' statement -scheme that minimizes data space storage size. Furthermore, using a C -`switch' may actually speed up the keyword retrieval time somewhat. -Actual results depend on your C compiler, of course. - - In general, `gperf' assigns values to the characters it is using for -hashing until some set of values gives each keyword a unique value. A -helpful heuristic is that the larger the hash value range, the easier -it is for `gperf' to find and generate a perfect hash function. -Experimentation is the key to getting the most from `gperf'. - - -File: gperf.info, Node: Input Format, Next: Output Format, Prev: Description, Up: Description - -Input Format to `gperf' -======================= - - You can control the input keyfile format by varying certain -command-line arguments, in particular the `-t' option. The input's -appearance is similar to GNU utilities `flex' and `bison' (or UNIX -utilities `lex' and `yacc'). Here's an outline of the general format: - - declarations - %% - keywords - %% - functions - - *Unlike* `flex' or `bison', all sections of `gperf''s input are -optional. The following sections describe the input format for each -section. - -* Menu: - -* Declarations:: `struct' Declarations and C Code Inclusion. -* Keywords:: Format for Keyword Entries. -* Functions:: Including Additional C Functions. - - -File: gperf.info, Node: Declarations, Next: Keywords, Prev: Input Format, Up: Input Format - -`struct' Declarations and C Code Inclusion ------------------------------------------- - - The keyword input file optionally contains a section for including -arbitrary C declarations and definitions, as well as provisions for -providing a user-supplied `struct'. If the `-t' option *is* enabled, -you *must* provide a C `struct' as the last component in the -declaration section from the keyfile file. The first field in this -struct must be a `char *' identifier called "name," although it is -possible to modify this field's name with the `-K' option described -below. - - Here is simple example, using months of the year and their -attributes as input: - - struct months { char *name; int number; int days; int leap_days; }; - %% - january, 1, 31, 31 - february, 2, 28, 29 - march, 3, 31, 31 - april, 4, 30, 30 - may, 5, 31, 31 - june, 6, 30, 30 - july, 7, 31, 31 - august, 8, 31, 31 - september, 9, 30, 30 - october, 10, 31, 31 - november, 11, 30, 30 - december, 12, 31, 31 - - Separating the `struct' declaration from the list of key words and -other fields are a pair of consecutive percent signs, `%%', appearing -left justified in the first column, as in the UNIX utility `lex'. - - Using a syntax similar to GNU utilities `flex' and `bison', it is -possible to directly include C source text and comments verbatim into -the generated output file. This is accomplished by enclosing the region -inside left-justified surrounding `%{', `%}' pairs. Here is an input -fragment based on the previous example that illustrates this feature: - - %{ - #include <assert.h> - /* This section of code is inserted directly into the output. */ - int return_month_days (struct months *months, int is_leap_year); - %} - struct months { char *name; int number; int days; int leap_days; }; - %% - january, 1, 31, 31 - february, 2, 28, 29 - march, 3, 31, 31 - ... - - It is possible to omit the declaration section entirely. In this -case the keyfile begins directly with the first keyword line, *e.g.*: - - january, 1, 31, 31 - february, 2, 28, 29 - march, 3, 31, 31 - april, 4, 30, 30 - ... - - -File: gperf.info, Node: Keywords, Next: Functions, Prev: Declarations, Up: Input Format - -Format for Keyword Entries --------------------------- - - The second keyfile format section contains lines of keywords and any -associated attributes you might supply. A line beginning with `#' in -the first column is considered a comment. Everything following the `#' -is ignored, up to and including the following newline. - - The first field of each non-comment line is always the key itself. -It should be given as a simple name, *i.e.*, without surrounding string -quotation marks, and be left-justified flush against the first column. -In this context, a "field" is considered to extend up to, but not -include, the first blank, comma, or newline. Here is a simple example -taken from a partial list of C reserved words: - - # These are a few C reserved words, see the c.`gperf' file - # for a complete list of ANSI C reserved words. - unsigned - sizeof - switch - signed - if - default - for - while - return - - Note that unlike `flex' or `bison' the first `%%' marker may be -elided if the declaration section is empty. - - Additional fields may optionally follow the leading keyword. Fields -should be separated by commas, and terminate at the end of line. What -these fields mean is entirely up to you; they are used to initialize the -elements of the user-defined `struct' provided by you in the -declaration section. If the `-t' option is *not* enabled these fields -are simply ignored. All previous examples except the last one contain -keyword attributes. - - -File: gperf.info, Node: Functions, Prev: Keywords, Up: Input Format - -Including Additional C Functions --------------------------------- - - The optional third section also corresponds closely with conventions -found in `flex' and `bison'. All text in this section, starting at the -final `%%' and extending to the end of the input file, is included -verbatim into the generated output file. Naturally, it is your -responsibility to ensure that the code contained in this section is -valid C. - - -File: gperf.info, Node: Output Format, Prev: Input Format, Up: Description - -Output Format for Generated C Code with `gperf' -=============================================== - - Several options control how the generated C code appears on the -standard output. Two C function are generated. They are called `hash' -and `in_word_set', although you may modify the name for `in_word_set' -with a command-line option. Both functions require two arguments, a -string, `char *' STR, and a length parameter, `int' LEN. Their default -function prototypes are as follows: - - static int hash (char *str, int len); - int in_word_set (char *str, int len); - - By default, the generated `hash' function returns an integer value -created by adding LEN to several user-specified STR key positions -indexed into an "associated values" table stored in a local static -array. The associated values table is constructed internally by -`gperf' and later output as a static local C array called HASH_TABLE; -its meaning and properties are described below. *Note -Implementation::. The relevant key positions are specified via the `-k' -option when running `gperf', as detailed in the *Options* section -below. *Note Options::. - - Two options, `-g' (assume you are compiling with GNU C and its -`inline' feature) and `-a' (assume ANSI C-style function prototypes), -alter the content of both the generated `hash' and `in_word_set' -routines. However, function `in_word_set' may be modified more -extensively, in response to your option settings. The options that -affect the `in_word_set' structure are: - - `-p' - Have function `in_word_set' return a pointer rather than a - boolean. - - `-t' - Make use of the user-defined `struct'. - - `-S TOTAL SWITCH STATEMENTS' - Generate 1 or more C `switch' statement rather than use a - large, (and potentially sparse) static array. Although the - exact time and space savings of this approach vary according - to your C compiler's degree of optimization, this method - often results in smaller and faster code. - - If the `-t', `-S', and `-p' options are omitted the default action -is to generate a `char *' array containing the keys, together with -additional null strings used for padding the array. By experimenting -with the various input and output options, and timing the resulting C -code, you can determine the best option choices for different keyword -set characteristics. - - -File: gperf.info, Node: Options, Next: Bugs, Prev: Description, Up: Top - -Options to the `gperf' Utility -****************************** - - There are *many* options to `gperf'. They were added to make the -program more convenient for use with real applications. "On-line" help -is readily available via the `-h' option. Other options include: - - `-a' - Generate ANSI Standard C code using function prototypes. The - default is to use "classic" K&R C function declaration syntax. - - `-c' - Generates C code that uses the `strncmp' function to perform - string comparisons. The default action is to use `strcmp'. - - `-C' - Makes the contents of all generated lookup tables constant, - *i.e.*, "readonly." Many compilers can generate more - efficient code for this by putting the tables in readonly - memory. - - `-d' - Enables the debugging option. This produces verbose - diagnostics to "standard error" when `gperf' is executing. - It is useful both for maintaining the program and for - determining whether a given set of options is actually - speeding up the search for a solution. Some useful - information is dumped at the end of the program when the `-d' - option is enabled. - - `-D' - Handle keywords whose key position sets hash to duplicate - values. Duplicate hash values occur for two reasons: - - * Since `gperf' does not backtrack it is possible for it - to process all your input keywords without finding a - unique mapping for each word. However, frequently only - a very small number of duplicates occur, and the - majority of keys still require one probe into the table. - - * Sometimes a set of keys may have the same names, but - possess different attributes. With the -D option - `gperf' treats all these keys as part of an equivalence - class and generates a perfect hash function with multiple - comparisons for duplicate keys. It is up to you to - completely disambiguate the keywords by modifying the - generated C code. However, `gperf' helps you out by - organizing the output. - - Option `-D' is extremely useful for certain large or highly - redundant keyword sets, *i.e.*, assembler instruction opcodes. - Using this option usually means that the generated hash - function is no longer perfect. On the other hand, it permits - `gperf' to work on keyword sets that it otherwise could not - handle. - - `-e KEYWORD DELIMITER LIST' - Allows the user to provide a string containing delimiters - used to separate keywords from their attributes. The default - is ",\n". This option is essential if you want to use - keywords that have embedded commas or newlines. One useful - trick is to use -e'TAB', where TAB is the literal tab - character. - - `-E' - Define constant values using an enum local to the lookup - function rather than with #defines. This also means that - different lookup functions can reside in the same file. - Thanks to James Clark (jjc at ai.mit.edu). - - `-f ITERATION AMOUNT' - Generate the perfect hash function "fast." This decreases - `gperf''s running time at the cost of minimizing generated - table-size. The iteration amount represents the number of - times to iterate when resolving a collision. `0' means - `iterate by the number of keywords. This option is probably - most useful when used in conjunction with options `-D' and/or - `-S' for *large* keyword sets. - - `-g' - Assume a GNU compiler, *e.g.*, `g++' or `gcc'. This makes - all generated routines use the "inline" keyword to remove the - cost of function calls. Note that `-g' does *not* imply - `-a', since other non-ANSI C compilers may have provisions - for a function `inline' feature. - - `-G' - Generate the static table of keywords as a static global - variable, rather than hiding it inside of the lookup function - (which is the default behavior). - - `-h' - Prints a short summary on the meaning of each program option. - Aborts further program execution. - - `-H HASH FUNCTION NAME' - Allows you to specify the name for the generated hash - function. Default name is `hash.' This option permits the - use of two hash tables in the same file. - - `-i INITIAL VALUE' - Provides an initial VALUE for the associate values array. - Default is 0. Increasing the initial value helps inflate the - final table size, possibly leading to more time efficient - keyword lookups. Note that this option is not particularly - useful when `-S' is used. Also, `-i' is overriden when the - `-r' option is used. - - `-j JUMP VALUE' - Affects the "jump value," *i.e.*, how far to advance the - associated character value upon collisions. JUMP VALUE is - rounded up to an odd number, the default is 5. If the JUMP - VALUE is 0 `gper f' jumps by random amounts. - - `-k KEYS' - Allows selection of the character key positions used in the - keywords' hash function. The allowable choices range between - 1-126, inclusive. The positions are separated by commas, - *e.g.*, `-k 9,4,13,14'; ranges may be used, *e.g.*, `-k 2-7'; - and positions may occur in any order. Furthermore, the - meta-character '*' causes the generated hash function to - consider *all* character positions in each key, whereas '$' - instructs the hash function to use the "final character" of a - key (this is the only way to use a character position greater - than 126, incidentally). - - For instance, the option `-k 1,2,4,6-10,'$'' generates a hash - function that considers positions 1,2,4,6,7,8,9,10, plus the - last character in each key (which may differ for each key, - obviously). Keys with length less than the indicated key - positions work properly, since selected key positions - exceeding the key length are simply not referenced in the - hash function. - - `-K KEY NAME' - By default, the program assumes the structure component - identifier for the keyword is "name." This option allows an - arbitrary choice of identifier for this component, although - it still must occur as the first field in your supplied - `struct'. - - `-l' - Compare key lengths before trying a string comparison. This - might cut down on the number of string comparisons made - during the lookup, since keys with different lengths are - never compared via `strcmp'. However, using `-l' might - greatly increase the size of the generated C code if the - lookup table range is large (which implies that the switch - option `-S' is not enabled), since the length table contains - as many elements as there are entries in the lookup table. - - `-L GENERATED LANGUAGE NAME' - Instructs `gperf' to generate code in the language specified - by the option's argument. Languages handled are currently - C++ and C. The default is C. - - `-n' - Instructs the generator not to include the length of a - keyword when computing its hash value. This may save a few - assembly instructions in the generated lookup table. - - `-N LOOKUP FUNCTION NAME' - Allows you to specify the name for the generated lookup - function. Default name is `in_word_set.' This option - permits completely automatic generation of perfect hash - functions, especially when multiple generated hash functions - are used in the same application. - - `-o' - Reorders the keywords by sorting the keywords so that - frequently occuring key position set components appear first. - A second reordering pass follows so that keys with "already - determined values" are placed towards the front of the - keylist. This may decrease the time required to generate a - perfect hash function for many keyword sets, and also produce - more minimal perfect hash functions. The reason for this is - that the reordering helps prune the search time by handling - inevitable collisions early in the search process. On the - other hand, if the number of keywords is *very* large using - `-o' may *increase* `gperf''s execution time, since - collisions will begin earlier and continue throughout the - remainder of keyword processing. See Cichelli's paper from - the January 1980 Communications of the ACM for details. - - `-p' - Changes the return value of the generated function - `in_word_set' from boolean (*i.e.*, 0 or 1), to either type - "pointer to user-defined struct," (if the `-t' option is - enabled), or simply to `char *', if `-t' is not enabled. - This option is most useful when the `-t' option (allowing - user-defined structs) is used. For example, it is possible - to automatically generate the GNU C reserved word lookup - routine with the options `-p' and `-t'. - - `-r' - Utilizes randomness to initialize the associated values - table. This frequently generates solutions faster than using - deterministic initialization (which starts all associated - values at 0). Furthermore, using the randomization option - generally increases the size of the table. If `gperf' has - difficultly with a certain keyword set try using `-r' or `-D'. - - `-s SIZE-MULTIPLE' - Affects the size of the generated hash table. The numeric - argument for this option indicates "how many times larger or - smaller" the maximum associated value range should be, in - relationship to the number of keys. If the SIZE-MULTIPLE is - negative the maximum associated value is calculated by - *dividing* it into the total number of keys. For example, a - value of 3 means "allow the maximum associated value to be - about 3 times larger than the number of input keys." - - Conversely, a value of -3 means "allow the maximum associated - value to be about 3 times smaller than the number of input - keys." Negative values are useful for limiting the overall - size of the generated hash table, though this usually - increases the number of duplicate hash values. - - If `generate switch' option `-S' is *not* enabled, the maximum - associated value influences the static array table size, and - a larger table should decrease the time required for an - unsuccessful search, at the expense of extra table space. - - The default value is 1, thus the default maximum associated - value about the same size as the number of keys (for - efficiency, the maximum associated value is always rounded up - to a power of 2). The actual table size may vary somewhat, - since this technique is essentially a heuristic. In - particular, setting this value too high slows down `gperf''s - runtime, since it must search through a much larger range of - values. Judicious use of the `-f' option helps alleviate this - overhead, however. - - `-S TOTAL SWITCH STATEMENTS' - Causes the generated C code to use a `switch' statement - scheme, rather than an array lookup table. This can lead to - a reduction in both time and space requirements for some - keyfiles. The argument to this option determines how many - `switch' statements are generated. A value of 1 generates 1 - `switch' containing all the elements, a value of 2 generates - 2 tables with 1/2 the elements in each `switch', etc. This - is useful since many C compilers cannot correctly generate - code for large `switch' statements. This option was inspired - in part by Keith Bostic's original C program. - - `-t' - Allows you to include a `struct' type declaration for - generated code. Any text before a pair of consecutive %% is - consider part of the type declaration. Key words and - additional fields may follow this, one group of fields per - line. A set of examples for generating perfect hash tables - and functions for Ada, C, and G++, Pascal, and Modula 2 and 3 - reserved words are distributed with this release. - - `-T' - Prevents the transfer of the type declaration to the output - file. Use this option if the type is already defined - elsewhere. - - `-v' - Prints out the current version number. - - `-Z CLASS NAME' - Allow user to specify name of generated C++ class. Default - name is `Perfect_Hash'. - - -File: gperf.info, Node: Bugs, Next: Projects, Prev: Options, Up: Top - -Known Bugs and Limitations with `gperf' -*************************************** - - The following are some limitations with the current release of -`gperf': - - * The `gperf' utility is tuned to execute quickly, and works quickly - for small to medium size data sets (around 1000 keywords). It is - extremely useful for maintaining perfect hash functions for - compiler keyword sets. Several recent enhancements now enable - `gperf' to work efficiently on much larger keyword sets (over - 15,000 keywords). When processing large keyword sets it helps - greatly to have over 8 megs of RAM. - - However, since `gperf' does not backtrack no guaranteed solution - occurs on every run. On the other hand, it is usually easy to - obtain a solution by varying the option parameters. In - particular, try the `-r' option, and also try changing the default - arguments to the `-s' and `-j' options. To *guarantee* a - solution, use the `-D' and `-S' options, although the final - results are not likely to be a *perfect* hash function anymore! - Finally, use the `-f' option if you want `gperf' to generate the - perfect hash function *fast*, with less emphasis on making it - minimal. - - * The size of the generate static keyword array can get *extremely* - large if the input keyword file is large or if the keywords are - quite similar. This tends to slow down the compilation of the - generated C code, and *greatly* inflates the object code size. If - this situation occurs, consider using the `-S' option to reduce - data size, potentially increasing keyword recognition time a - negligible amount. Since many C compilers cannot correctly - generated code for large switch statements it is important to - qualify the -S option with an appropriate numerical argument that - controls the number of switch statements generated. - - * The maximum number of key positions selected for a given key has an - arbitrary limit of 126. This restriction should be removed, and if - anyone considers this a problem write me and let me know so I can - remove the constraint. - - * The C++ source code only compiles correctly with GNU G++, version - 1.36 (and hopefully later versions). Porting to AT&T cfront would - be tedious, but possible (and desirable). There is also a K&R C - version available now. This should compile without change on most - BSD systems, but may require a bit of work to run on SYSV, since - `gperf' uses ALLOCA in several places. Send mail to schmidt at - ics.uci.edu for information. - - -File: gperf.info, Node: Projects, Next: Implementation, Prev: Bugs, Up: Top - -Things Still Left to Do -*********************** - - It should be "relatively" easy to replace the current perfect hash -function algorithm with a more exhaustive approach; the perfect hash -module is essential independent from other program modules. Additional -worthwhile improvements include: - - * Make the algorithm more robust. At present, the program halts - with an error diagnostic if it can't find a direct solution and - the `-D' option is not enabled. A more comprehensive, albeit - computationally expensive, approach would employ backtracking or - enable alternative options and retry. It's not clear how helpful - this would be, in general, since most search sets are rather small - in practice. - - * Another useful extension involves modifying the program to generate - "minimal" perfect hash functions (under certain circumstances, the - current version can be rather extravagant in the generated table - size). Again, this is mostly of theoretical interest, since a - sparse table often produces faster lookups, and use of the `-S' - `switch' option can minimize the data size, at the expense of - slightly longer lookups (note that the gcc compiler generally - produces good code for `switch' statements, reducing the need for - more complex schemes). - - * In addition to improving the algorithm, it would also be useful to - generate a C++ class or Ada package as the code output, in - addition to the current C routines. - - -File: gperf.info, Node: Implementation, Next: Bibliography, Prev: Projects, Up: Top - -Implementation Details of GNU `gperf' -************************************* - - A paper describing the high-level description of the data structures -and algorithms used to implement `gperf' will soon be available. This -paper is useful not only from a maintenance and enhancement perspective, -but also because they demonstrate several clever and useful programming -techniques, *e.g.*, `Iteration Number' boolean arrays, double hashing, -a "safe" and efficient method for reading arbitrarily long input from a -file, and a provably optimal algorithm for simultaneously determining -both the minimum and maximum elements in a list. - - -File: gperf.info, Node: Bibliography, Prev: Implementation, Up: Top - -Bibliography -************ - - [1] Chang, C.C.: A Scheme for Constructing Ordered Minimal Perfect -Hashing Functions Information Sciences 39(1986), 187-195. - - [2] Cichelli, Richard J. Author's Response to "On Cichelli's Minimal -Perfec t Hash Functions Method" Communications of the ACM, 23, -12(December 1980), 729. - - [3] Cichelli, Richard J. Minimal Perfect Hash Functions Made Simple -Communications of the ACM, 23, 1(January 1980), 17-19. - - [4] Cook, C. R. and Oldehoeft, R.R. A Letter Oriented Minimal -Perfect Hashing Function SIGPLAN Notices, 17, 9(September 1982), 18-27. - - [5] Cormack, G. V. and Horspool, R. N. S. and Kaiserwerth, M. -Practical Perfect Hashing Computer Journal, 28, 1(January 1985), 54-58. - - [6] Jaeschke, G. Reciprocal Hashing: A Method for Generating Minimal -Perfect Hashing Functions Communications of the ACM, 24, 12(December -1981), 829-833. - - [7] Jaeschke, G. and Osterburg, G. On Cichelli's Minimal Perfect -Hash Functions Method Communications of the ACM, 23, 12(December 1980), -728-729. - - [8] Sager, Thomas J. A Polynomial Time Generator for Minimal Perfect -Hash Functions Communications of the ACM, 28, 5(December 1985), 523-532 - - [9] Schmidt, Douglas C. GPERF: A Perfect Hash Function Generator -Second USENIX C++ Conference Proceedings, April 1990. - - [10] Sebesta, R.W. and Taylor, M.A. Minimal Perfect Hash Functions -for Reserved Word Lists SIGPLAN Notices, 20, 12(September 1985), 47-53. - - [11] Sprugnoli, R. Perfect Hashing Functions: A Single Probe -Retrieving Method for Static Sets Communications of the ACM, 20 -11(November 1977), 841-850. - - [12] Stallman, Richard M. Using and Porting GNU CC Free Software -Foundation, 1988. - - [13] Stroustrup, Bjarne The C++ Programming Language. -Addison-Wesley, 1986. - - [14] Tiemann, Michael D. User's Guide to GNU C++ Free Software -Foundation, 1989. - - - -Tag Table: -Node: Top1218 -Node: Copying2456 -Node: Contributors15759 -Node: Motivation16859 -Node: Search Structures18126 -Node: Description21679 -Node: Input Format23499 -Node: Declarations24294 -Node: Keywords26601 -Node: Functions28192 -Node: Output Format28686 -Node: Options31156 -Node: Bugs44526 -Node: Projects47213 -Node: Implementation48790 -Node: Bibliography49509 - -End Tag Table diff --git a/apps/gperf/gperf.texi b/apps/gperf/gperf.texi deleted file mode 100644 index 649d05f7ec6..00000000000 --- a/apps/gperf/gperf.texi +++ /dev/null @@ -1,1184 +0,0 @@ -\input texinfo @c -*-texinfo-*- - -@settitle User's Guide to @code{gperf} -@setfilename gperf.info - -@ifinfo -@format -START-INFO-DIR-ENTRY -* Gperf: (gperf). Perfect Hash Function Generator. -END-INFO-DIR-ENTRY -@end format -@end ifinfo - -@ifinfo -This file documents the features of the GNU Perfect Hash Function Generator - -Copyright (C) 1989 Free Software Foundation, Inc. - -Permission is granted to make and distribute verbatim copies of -this manual provided the copyright notice and this permission notice -are preserved on all copies. - -@ignore -Permission is granted to process this file through @TeX{} and print the -results, provided the printed document carries copying permission -notice identical to this one except for the removal of this paragraph -(this paragraph not being relevant to the printed manual). - -@end ignore - -Permission is granted to copy and distribute modified versions of this -manual under the conditions for verbatim copying, provided also that the -section entitled ``GNU General Public License'' is included exactly as -in the original, and provided that the entire resulting derived work is -distributed under the terms of a permission notice identical to this one. - -Permission is granted to copy and distribute translations of this manual -into another language, under the above conditions for modified versions, -except that the section entitled ``GNU @code{gperf} General Public License'' an -d -this permission notice may be included in translations approved by the -Free Software Foundation instead of in the original English. -@end ifinfo - -@setchapternewpage odd - -@titlepage -@center @titlefont{User's Guide} -@sp 2 -@center @titlefont{for the} -@sp 2 -@center @titlefont{GNU GPERF Utility} -@sp 4 -@center Douglas C. Schmidt -@sp 3 -@center last updated 1 November 1989 -@sp 1 -@center for version 2.0 -@page -@vskip 0pt plus 1filll -Copyright @copyright{} 1989 Free Software Foundation, Inc. - - -Permission is granted to make and distribute verbatim copies of -this manual provided the copyright notice and this permission notice -are preserved on all copies. - -Permission is granted to copy and distribute modified versions of this -manual under the conditions for verbatim copying, provided also that the -section entitled ``GNU @code{gperf} General Public License'' is included exactl -y as -in the original, and provided that the entire resulting derived work is -distributed under the terms of a permission notice identical to this one. - -Permission is granted to copy and distribute translations of this manual -into another language, under the above conditions for modified versions, -except that the section entitled ``GNU @code{gperf} General Public License'' ma -y be -included in a translation approved by the author instead of in the original -English. -@end titlepage - -@ifinfo -@node Top, Copying, (dir), (dir) -@ichapter Introduction - -This manual documents the GNU @code{gperf} perfect hash function generator -utility, focusing on its features and how to use them, and how to report -bugs. - -@end ifinfo -@menu -* Copying:: GNU @code{gperf} General Public License says - how you can copy and share @code{gperf}. -* Contributors:: People who have contributed to @code{gperf}. -* Motivation:: Static search structures and GNU GPERF. -* Search Structures:: Static search structures and GNU @code{gperf} -* Description:: High-level discussion of how GPERF functions. -* Options:: A description of options to the program. -* Bugs:: Known bugs and limitations with GPERF. -* Projects:: Things still left to do. -* Implementation:: Implementation Details for GNU GPERF. -* Bibliography:: Material Referenced in this Report. - - --- The Detailed Node Listing --- - -High-Level Description of GNU @code{gperf} - -* Input Format:: Input Format to @code{gperf} -* Output Format:: Output Format for Generated C Code with @code{gperf} - -Input Format to @code{gperf} - -* Declarations:: @code{struct} Declarations and C Code Inclusion. -* Keywords:: Format for Keyword Entries. -* Functions:: Including Additional C Functions. -@end menu - -@node Copying, Contributors, Top, Top -@unnumbered GNU GENERAL PUBLIC LICENSE -@center Version 1, February 1989 - -@display -Copyright @copyright{} 1989 Free Software Foundation, Inc. -675 Mass Ave, Cambridge, MA 02139, USA - -Everyone is permitted to copy and distribute verbatim copies -of this license document, but changing it is not allowed. -@end display - -@unnumberedsec Preamble - - The license agreements of most software companies try to keep users -at the mercy of those companies. By contrast, our General Public -License is intended to guarantee your freedom to share and change free -software---to make sure the software is free for all its users. The -General Public License applies to the Free Software Foundation's -software and to any other program whose authors commit to using it. -You can use it for your programs, too. - - When we speak of free software, we are referring to freedom, not -price. Specifically, the General Public License is designed to make -sure that you have the freedom to give away or sell copies of free -software, that you receive source code or can get it if you want it, -that you can change the software or use pieces of it in new free -programs; and that you know you can do these things. - - To protect your rights, we need to make restrictions that forbid -anyone to deny you these rights or to ask you to surrender the rights. -These restrictions translate to certain responsibilities for you if you -distribute copies of the software, or if you modify it. - - For example, if you distribute copies of a such a program, whether -gratis or for a fee, you must give the recipients all the rights that -you have. You must make sure that they, too, receive or can get the -source code. And you must tell them their rights. - - We protect your rights with two steps: (1) copyright the software, and -(2) offer you this license which gives you legal permission to copy, -distribute and/or modify the software. - - Also, for each author's protection and ours, we want to make certain -that everyone understands that there is no warranty for this free -software. 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It is safest to -attach them to the start of each source file to most effectively convey -the exclusion of warranty; and each file should have at least the -``copyright'' line and a pointer to where the full notice is found. - -@smallexample -@var{one line to give the program's name and a brief idea of what it does.} -Copyright (C) 19@var{yy} @var{name of author} - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -@end smallexample - -Also add information on how to contact you by electronic and paper mail. - -If the program is interactive, make it output a short notice like this -when it starts in an interactive mode: - -@smallexample -Gnomovision version 69, Copyright (C) 19@var{yy} @var{name of author} -Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. -This is free software, and you are welcome to redistribute it -under certain conditions; type `show c' for details. -@end smallexample - -The hypothetical commands `show w' and `show c' should show the -appropriate parts of the General Public License. Of course, the -commands you use may be called something other than `show w' and `show -c'; they could even be mouse-clicks or menu items---whatever suits your -program. - -You should also get your employer (if you work as a programmer) or your -school, if any, to sign a ``copyright disclaimer'' for the program, if -necessary. Here a sample; alter the names: - -@example -Yoyodyne, Inc., hereby disclaims all copyright interest in the -program `Gnomovision' (a program to direct compilers to make passes -at assemblers) written by James Hacker. - -@var{signature of Ty Coon}, 1 April 1989 -Ty Coon, President of Vice -@end example - -That's all there is to it! - -@node Contributors, Motivation, Copying, Top -@unnumbered Contributors to GNU @code{gperf} Utility - -@itemize @bullet -@item -The GNU @code{gperf} perfect hash function generator utility was -originally written in GNU C++ by Douglas C. Schmidt. It is now also -available in a highly-portable ``old-style'' C version. The general -idea for the perfect hash function generator was inspired by Keith -Bostic's algorithm written in C, and distributed to net.sources around -1984. The current program is a heavily modified, enhanced, and extended -implementation of Keith's basic idea, created at the University of -California, Irvine. Bugs, patches, and suggestions should be reported -to schmidt at ics.uci.edu. - -@item -Special thanks is extended to Michael Tiemann and Doug Lea, for -providing a useful compiler, and for giving me a forum to exhibit my -creation. - -In addition, Adam de Boor and Nels Olson provided many tips and insights -that greatly helped improve the quality and functionality of @code{gperf}. -@end itemize - -@node Motivation, Search Structures, Contributors, Top -@chapter Introduction - -@code{gperf} is a perfect hash function generator written in C++. It -transforms an @emph{n} element user-specified keyword set @emph{W} into -a perfect hash function @emph{F}. @emph{F} uniquely maps keywords in -@emph{W} onto the range 0..@emph{k}, where @emph{k} >= @emph{n}. If -@emph{k = n} then @emph{F} is a @emph{minimal} perfect hash function. -@code{gperf} generates a 0..@emph{k} element static lookup table and a -pair of C functions. These functions determine whether a given -character string @emph{s} occurs in @emph{W}, using at most one probe -into the lookup table. - -@code{gperf} currently generates the reserved keyword recognizer for -lexical analyzers in several production and research compilers and -language processing tools, including GNU C, GNU C++, GNU Pascal, GNU -Modula 3, and GNU indent. Complete C++ source code for @code{gperf} is -available via anonymous ftp from ics.uci.edu. @code{gperf} also is -distributed along with the GNU libg++ library. A highly portable, -functionally equivalent K&R C version of @code{gperf} is archived in -comp.sources.unix, volume 20. Finally, a paper describing -@code{gperf}'s design and implementation in greater detail is available -in the Second USENIX C++ Conference proceedings. - -@node Search Structures, Description, Motivation, Top -@chapter Static search structures and GNU @code{gperf} - -A @dfn{static search structure} is an Abstract Data Type with certain -fundamental operations, @emph{e.g.}, @emph{initialize}, @emph{insert}, -and @emph{retrieve}. Conceptually, all insertions occur before any -retrievals. In practice, @code{gperf} generates a @code{static} array -containing search set keywords and any associated attributes specified -by the user. Thus, there is essentially no execution-time cost for the -insertions. It is a useful data structure for representing @emph{static -search sets}. Static search sets occur frequently in software system -applications. Typical static search sets include compiler reserved -words, assembler instruction opcodes, and built-in shell interpreter -commands. Search set members, called @dfn{keywords}, are inserted into -the structure only once, usually during program initialization, and are -not generally modified at run-time. - -Numerous static search structure implementations exist, @emph{e.g.}, -arrays, linked lists, binary search trees, digital search tries, and -hash tables. Different approaches offer trade-offs between space -utilization and search time efficiency. For example, an @emph{n} element -sorted array is space efficient, though the average-case time -complexity for retrieval operations using binary search is -proportional to log @emph{n}. Conversely, hash table implementations -often locate a table entry in constant time, but typically impose -additional memory overhead and exhibit poor worst case performance. - - -@emph{Minimal perfect hash functions} provide an optimal solution for a -particular class of static search sets. A minimal perfect hash -function is defined by two properties: - -@itemize @bullet -@item -It allows keyword recognition in a static search set using at most -@emph{one} probe into the hash table. This represents the ``perfect'' -property. -@item -The actual memory allocated to store the keywords is precisely large -enough for the keyword set, and @emph{no larger}. This is the -``minimal'' property. -@end itemize - -For most applications it is far easier to generate @emph{perfect} hash -functions than @emph{minimal perfect} hash functions. Moreover, -non-minimal perfect hash functions frequently execute faster than -minimal ones in practice. This phenomena occurs since searching a -sparse keyword table increases the probability of locating a ``null'' -entry, thereby reducing string comparisons. @code{gperf}'s default -behavior generates @emph{near-minimal} perfect hash functions for -keyword sets. However, @code{gperf} provides many options that permit -user control over the degree of minimality and perfection. - -Static search sets often exhibit relative stability over time. For -example, Ada's 63 reserved words have remained constant for nearly a -decade. It is therefore frequently worthwhile to expend concerted -effort building an optimal search structure @emph{once}, if it -subsequently receives heavy use multiple times. @code{gperf} removes -the drudgery associated with constructing time- and space-efficient -search structures by hand. It has proven a useful and practical tool -for serious programming projects. Output from @code{gperf} is currently -used in several production and research compilers, including GNU C, GNU -C++, GNU Pascal, and GNU Modula 3. The latter two compilers are not yet -part of the official GNU distribution. Each compiler utilizes -@code{gperf} to automatically generate static search structures that -efficiently identify their respective reserved keywords. - -@node Description, Options, Search Structures, Top -@chapter High-Level Description of GNU @code{gperf} - -@menu -* Input Format:: Input Format to @code{gperf} -* Output Format:: Output Format for Generated C Code with @code{gperf} -@end menu - -The perfect hash function generator @code{gperf} reads a set of -``keywords'' from a @dfn{keyfile} (or from the standard input by -default). It attempts to derive a perfect hashing function that -recognizes a member of the @dfn{static keyword set} with at most a -single probe into the lookup table. If @code{gperf} succeeds in -generating such a function it produces a pair of C source code routines -that perform hashing and table lookup recognition. All generated C code -is directed to the standard output. Command-line options described -below allow you to modify the input and output format to @code{gperf}. - -By default, @code{gperf} attempts to produce time-efficient code, with -less emphasis on efficient space utilization. However, several options -exist that permit trading-off execution time for storage space and vice -versa. In particular, expanding the generated table size produces a -sparse search structure, generally yielding faster searches. -Conversely, you can direct @code{gperf} to utilize a C @code{switch} -statement scheme that minimizes data space storage size. Furthermore, -using a C @code{switch} may actually speed up the keyword retrieval time -somewhat. Actual results depend on your C compiler, of course. - -In general, @code{gperf} assigns values to the characters it is using -for hashing until some set of values gives each keyword a unique value. -A helpful heuristic is that the larger the hash value range, the easier -it is for @code{gperf} to find and generate a perfect hash function. -Experimentation is the key to getting the most from @code{gperf}. - -@node Input Format, Output Format, Description, Description -@section Input Format to @code{gperf} - -You can control the input keyfile format by varying certain command-line -arguments, in particular the @samp{-t} option. The input's appearance -is similar to GNU utilities @code{flex} and @code{bison} (or UNIX -utilities @code{lex} and @code{yacc}). Here's an outline of the general -format: - -@example -@group -declarations -%% -keywords -%% -functions -@end group -@end example - -@emph{Unlike} @code{flex} or @code{bison}, all sections of @code{gperf}'s input -are optional. The following sections describe the input format for each -section. - -@menu -* Declarations:: @code{struct} Declarations and C Code Inclusion. -* Keywords:: Format for Keyword Entries. -* Functions:: Including Additional C Functions. -@end menu - -@node Declarations, Keywords, Input Format, Input Format -@subsection @code{struct} Declarations and C Code Inclusion - -The keyword input file optionally contains a section for including -arbitrary C declarations and definitions, as well as provisions for -providing a user-supplied @code{struct}. If the @samp{-t} option -@emph{is} enabled, you @emph{must} provide a C @code{struct} as the last -component in the declaration section from the keyfile file. The first -field in this struct must be a @code{char *} identifier called ``name,'' -although it is possible to modify this field's name with the @samp{-K} -option described below. - -Here is simple example, using months of the year and their attributes as -input: - -@example -@group -struct months @{ char *name; int number; int days; int leap_days; @}; -%% -january, 1, 31, 31 -february, 2, 28, 29 -march, 3, 31, 31 -april, 4, 30, 30 -may, 5, 31, 31 -june, 6, 30, 30 -july, 7, 31, 31 -august, 8, 31, 31 -september, 9, 30, 30 -october, 10, 31, 31 -november, 11, 30, 30 -december, 12, 31, 31 -@end group -@end example - -Separating the @code{struct} declaration from the list of key words and -other fields are a pair of consecutive percent signs, @code{%%}, -appearing left justified in the first column, as in the UNIX utility -@code{lex}. - -Using a syntax similar to GNU utilities @code{flex} and @code{bison}, it -is possible to directly include C source text and comments verbatim into -the generated output file. This is accomplished by enclosing the region -inside left-justified surrounding @code{%@{}, @code{%@}} pairs. Here is -an input fragment based on the previous example that illustrates this -feature: - -@example -@group -%@{ -#include <assert.h> -/* This section of code is inserted directly into the output. */ -int return_month_days (struct months *months, int is_leap_year); -%@} -struct months @{ char *name; int number; int days; int leap_days; @}; -%% -january, 1, 31, 31 -february, 2, 28, 29 -march, 3, 31, 31 -... -@end group -@end example - -It is possible to omit the declaration section entirely. In this case -the keyfile begins directly with the first keyword line, @emph{e.g.}: - -@example -@group -january, 1, 31, 31 -february, 2, 28, 29 -march, 3, 31, 31 -april, 4, 30, 30 -... -@end group -@end example - -@node Keywords, Functions, Declarations, Input Format -@subsection Format for Keyword Entries - -The second keyfile format section contains lines of keywords and any -associated attributes you might supply. A line beginning with @samp{#} -in the first column is considered a comment. Everything following the -@samp{#} is ignored, up to and including the following newline. - -The first field of each non-comment line is always the key itself. It -should be given as a simple name, @emph{i.e.}, without surrounding -string quotation marks, and be left-justified flush against the first -column. In this context, a ``field'' is considered to extend up to, but -not include, the first blank, comma, or newline. Here is a simple -example taken from a partial list of C reserved words: - -@example -@group -# These are a few C reserved words, see the c.@code{gperf} file -# for a complete list of ANSI C reserved words. -unsigned -sizeof -switch -signed -if -default -for -while -return -@end group -@end example - -Note that unlike @code{flex} or @code{bison} the first @code{%%} marker -may be elided if the declaration section is empty. - -Additional fields may optionally follow the leading keyword. Fields -should be separated by commas, and terminate at the end of line. What -these fields mean is entirely up to you; they are used to initialize the -elements of the user-defined @code{struct} provided by you in the -declaration section. If the @samp{-t} option is @emph{not} enabled -these fields are simply ignored. All previous examples except the last -one contain keyword attributes. - -@node Functions, , Keywords, Input Format -@subsection Including Additional C Functions - -The optional third section also corresponds closely with conventions -found in @code{flex} and @code{bison}. All text in this section, -starting at the final @code{%%} and extending to the end of the input -file, is included verbatim into the generated output file. Naturally, -it is your responsibility to ensure that the code contained in this -section is valid C. - -@node Output Format, , Input Format, Description -@section Output Format for Generated C Code with @code{gperf} - -Several options control how the generated C code appears on the standard -output. Two C function are generated. They are called @code{hash} and -@code{in_word_set}, although you may modify the name for -@code{in_word_set} with a command-line option. Both functions require -two arguments, a string, @code{char *} @var{str}, and a length -parameter, @code{int} @var{len}. Their default function prototypes are -as follows: - -@example -@group -static int hash (char *str, int len); -int in_word_set (char *str, int len); -@end group -@end example - -By default, the generated @code{hash} function returns an integer value -created by adding @var{len} to several user-specified @var{str} key -positions indexed into an @dfn{associated values} table stored in a -local static array. The associated values table is constructed -internally by @code{gperf} and later output as a static local C array called -@var{hash_table}; its meaning and properties are described below. -@xref{Implementation}. The relevant key positions are specified via the -@samp{-k} option when running @code{gperf}, as detailed in the @emph{Options} -section below. @xref{Options}. - -Two options, @samp{-g} (assume you are compiling with GNU C and its -@code{inline} feature) and @samp{-a} (assume ANSI C-style function -prototypes), alter the content of both the generated @code{hash} and -@code{in_word_set} routines. However, function @code{in_word_set} may -be modified more extensively, in response to your option settings. The -options that affect the @code{in_word_set} structure are: - -@itemize @bullet -@table @samp -@item -p -Have function @code{in_word_set} return a pointer rather than a boolean. - -@item -t -Make use of the user-defined @code{struct}. - -@item -S @var{total switch statements} -Generate 1 or more C @code{switch} statement rather than use a large, -(and potentially sparse) static array. Although the exact time and -space savings of this approach vary according to your C compiler's -degree of optimization, this method often results in smaller and faster -code. -@end table -@end itemize - -If the @samp{-t}, @samp{-S}, and @samp{-p} options are omitted the -default action is to generate a @code{char *} array containing the keys, -together with additional null strings used for padding the array. By -experimenting with the various input and output options, and timing the -resulting C code, you can determine the best option choices for -different keyword set characteristics. - -@node Options, Bugs, Description, Top -@chapter Options to the @code{gperf} Utility - -There are @emph{many} options to @code{gperf}. They were added to make -the program more convenient for use with real applications. ``On-line'' -help is readily available via the @samp{-h} option. Other options -include: - -@itemize @bullet -@table @samp -@item -a -Generate ANSI Standard C code using function prototypes. The default is -to use ``classic'' K&R C function declaration syntax. - -@item -c -Generates C code that uses the @code{strncmp} function to perform -string comparisons. The default action is to use @code{strcmp}. - -@item -C -Makes the contents of all generated lookup tables constant, @emph{i.e.}, -``readonly.'' Many compilers can generate more efficient code for this -by putting the tables in readonly memory. - -@item -d -Enables the debugging option. This produces verbose diagnostics to -``standard error'' when @code{gperf} is executing. It is useful both for -maintaining the program and for determining whether a given set of -options is actually speeding up the search for a solution. Some useful -information is dumped at the end of the program when the @samp{-d} -option is enabled. - -@item -D -Handle keywords whose key position sets hash to duplicate values. -Duplicate hash values occur for two reasons: - -@itemize @bullet -@item -Since @code{gperf} does not backtrack it is possible for it to process -all your input keywords without finding a unique mapping for each word. -However, frequently only a very small number of duplicates occur, and -the majority of keys still require one probe into the table. -@item -Sometimes a set of keys may have the same names, but possess different -attributes. With the -D option @code{gperf} treats all these keys as part of -an equivalence class and generates a perfect hash function with multiple -comparisons for duplicate keys. It is up to you to completely -disambiguate the keywords by modifying the generated C code. However, -@code{gperf} helps you out by organizing the output. -@end itemize - -Option @samp{-D} is extremely useful for certain large or highly -redundant keyword sets, @emph{i.e.}, assembler instruction opcodes. -Using this option usually means that the generated hash function is no -longer perfect. On the other hand, it permits @code{gperf} to work on -keyword sets that it otherwise could not handle. - -@item -e @var{keyword delimiter list} -Allows the user to provide a string containing delimiters used to -separate keywords from their attributes. The default is ",\n". This -option is essential if you want to use keywords that have embedded -commas or newlines. One useful trick is to use -e'TAB', where TAB is -the literal tab character. - -@item -E -Define constant values using an enum local to the lookup function rather -than with #defines. This also means that different lookup functions can -reside in the same file. Thanks to James Clark (jjc at ai.mit.edu). - -@item -f @var{iteration amount} -Generate the perfect hash function ``fast.'' This decreases @code{gperf}'s -running time at the cost of minimizing generated table-size. The -iteration amount represents the number of times to iterate when -resolving a collision. `0' means `iterate by the number of keywords. -This option is probably most useful when used in conjunction with options -@samp{-D} and/or @samp{-S} for @emph{large} keyword sets. - -@item -g -Assume a GNU compiler, @emph{e.g.}, @code{g++} or @code{gcc}. This -makes all generated routines use the ``inline'' keyword to remove the -cost of function calls. Note that @samp{-g} does @emph{not} imply -@samp{-a}, since other non-ANSI C compilers may have provisions for a -function @code{inline} feature. - -@item -G -Generate the static table of keywords as a static global variable, -rather than hiding it inside of the lookup function (which is the -default behavior). - -@item -h -Prints a short summary on the meaning of each program option. Aborts -further program execution. - -@item -H @var{hash function name} -Allows you to specify the name for the generated hash function. Default -name is `hash.' This option permits the use of two hash tables in the -same file. - -@item -i @var{initial value} -Provides an initial @var{value} for the associate values array. Default -is 0. Increasing the initial value helps inflate the final table size, -possibly leading to more time efficient keyword lookups. Note that this -option is not particularly useful when @samp{-S} is used. Also, -@samp{-i} is overriden when the @samp{-r} option is used. - -@item -j @var{jump value} -Affects the ``jump value,'' @emph{i.e.}, how far to advance the -associated character value upon collisions. @var{Jump value} is rounded -up to an odd number, the default is 5. If the @var{jump value} is 0 @code{gper -f} -jumps by random amounts. - -@item -k @var{keys} -Allows selection of the character key positions used in the keywords' -hash function. The allowable choices range between 1-126, inclusive. -The positions are separated by commas, @emph{e.g.}, @samp{-k 9,4,13,14}; -ranges may be used, @emph{e.g.}, @samp{-k 2-7}; and positions may occur -in any order. Furthermore, the meta-character '*' causes the generated -hash function to consider @strong{all} character positions in each key, -whereas '$' instructs the hash function to use the ``final character'' -of a key (this is the only way to use a character position greater than -126, incidentally). - -For instance, the option @samp{-k 1,2,4,6-10,'$'} generates a hash -function that considers positions 1,2,4,6,7,8,9,10, plus the last -character in each key (which may differ for each key, obviously). Keys -with length less than the indicated key positions work properly, since -selected key positions exceeding the key length are simply not -referenced in the hash function. - -@item -K @var{key name} -By default, the program assumes the structure component identifier for -the keyword is ``name.'' This option allows an arbitrary choice of -identifier for this component, although it still must occur as the first -field in your supplied @code{struct}. - -@item -l -Compare key lengths before trying a string comparison. This might cut -down on the number of string comparisons made during the lookup, since -keys with different lengths are never compared via @code{strcmp}. -However, using @samp{-l} might greatly increase the size of the -generated C code if the lookup table range is large (which implies that -the switch option @samp{-S} is not enabled), since the length table -contains as many elements as there are entries in the lookup table. - -@item -L @var{generated language name} -Instructs @code{gperf} to generate code in the language specified by the -option's argument. Languages handled are currently C++ and C. The -default is C. - -@item -n -Instructs the generator not to include the length of a keyword when -computing its hash value. This may save a few assembly instructions in -the generated lookup table. - -@item -N @var{lookup function name} -Allows you to specify the name for the generated lookup function. -Default name is `in_word_set.' This option permits completely automatic -generation of perfect hash functions, especially when multiple generated -hash functions are used in the same application. - -@item -o -Reorders the keywords by sorting the keywords so that frequently -occuring key position set components appear first. A second reordering -pass follows so that keys with ``already determined values'' are placed -towards the front of the keylist. This may decrease the time required -to generate a perfect hash function for many keyword sets, and also -produce more minimal perfect hash functions. The reason for this is -that the reordering helps prune the search time by handling inevitable -collisions early in the search process. On the other hand, if the -number of keywords is @emph{very} large using @samp{-o} may -@emph{increase} @code{gperf}'s execution time, since collisions will begin -earlier and continue throughout the remainder of keyword processing. -See Cichelli's paper from the January 1980 Communications of the ACM for -details. - -@item -p -Changes the return value of the generated function @code{in_word_set} -from boolean (@emph{i.e.}, 0 or 1), to either type ``pointer to -user-defined struct,'' (if the @samp{-t} option is enabled), or simply -to @code{char *}, if @samp{-t} is not enabled. This option is most -useful when the @samp{-t} option (allowing user-defined structs) is -used. For example, it is possible to automatically generate the GNU C -reserved word lookup routine with the options @samp{-p} and @samp{-t}. - -@item -r -Utilizes randomness to initialize the associated values table. This -frequently generates solutions faster than using deterministic -initialization (which starts all associated values at 0). Furthermore, -using the randomization option generally increases the size of the -table. If @code{gperf} has difficultly with a certain keyword set try using -@samp{-r} or @samp{-D}. - -@item -s @var{size-multiple} -Affects the size of the generated hash table. The numeric argument for -this option indicates ``how many times larger or smaller'' the maximum -associated value range should be, in relationship to the number of keys. -If the @var{size-multiple} is negative the maximum associated value is -calculated by @emph{dividing} it into the total number of keys. For -example, a value of 3 means ``allow the maximum associated value to be -about 3 times larger than the number of input keys.'' - -Conversely, a value of -3 means ``allow the maximum associated value to -be about 3 times smaller than the number of input keys.'' Negative -values are useful for limiting the overall size of the generated hash -table, though this usually increases the number of duplicate hash -values. - -If `generate switch' option @samp{-S} is @emph{not} enabled, the maximum -associated value influences the static array table size, and a larger -table should decrease the time required for an unsuccessful search, at -the expense of extra table space. - -The default value is 1, thus the default maximum associated value about -the same size as the number of keys (for efficiency, the maximum -associated value is always rounded up to a power of 2). The actual -table size may vary somewhat, since this technique is essentially a -heuristic. In particular, setting this value too high slows down -@code{gperf}'s runtime, since it must search through a much larger range -of values. Judicious use of the @samp{-f} option helps alleviate this -overhead, however. - -@item -S @var{total switch statements} -Causes the generated C code to use a @code{switch} statement scheme, -rather than an array lookup table. This can lead to a reduction in both -time and space requirements for some keyfiles. The argument to this -option determines how many @code{switch} statements are generated. A -value of 1 generates 1 @code{switch} containing all the elements, a -value of 2 generates 2 tables with 1/2 the elements in each -@code{switch}, etc. This is useful since many C compilers cannot -correctly generate code for large @code{switch} statements. This option -was inspired in part by Keith Bostic's original C program. - -@item -t -Allows you to include a @code{struct} type declaration for generated -code. Any text before a pair of consecutive %% is consider part of the -type declaration. Key words and additional fields may follow this, one -group of fields per line. A set of examples for generating perfect hash -tables and functions for Ada, C, and G++, Pascal, and Modula 2 and 3 -reserved words are distributed with this release. - -@item -T -Prevents the transfer of the type declaration to the output file. Use -this option if the type is already defined elsewhere. - -@item -v -Prints out the current version number. - -@item -Z @var{class name} -Allow user to specify name of generated C++ class. Default name is -@code{Perfect_Hash}. -@end table -@end itemize - -@node Bugs, Projects, Options, Top -@chapter Known Bugs and Limitations with @code{gperf} - -The following are some limitations with the current release of -@code{gperf}: - -@itemize @bullet -@item -The @code{gperf} utility is tuned to execute quickly, and works quickly -for small to medium size data sets (around 1000 keywords). It is -extremely useful for maintaining perfect hash functions for compiler -keyword sets. Several recent enhancements now enable @code{gperf} to -work efficiently on much larger keyword sets (over 15,000 keywords). -When processing large keyword sets it helps greatly to have over 8 megs -of RAM. - -However, since @code{gperf} does not backtrack no guaranteed solution -occurs on every run. On the other hand, it is usually easy to obtain a -solution by varying the option parameters. In particular, try the -@samp{-r} option, and also try changing the default arguments to the -@samp{-s} and @samp{-j} options. To @emph{guarantee} a solution, use -the @samp{-D} and @samp{-S} options, although the final results are not -likely to be a @emph{perfect} hash function anymore! Finally, use the -@samp{-f} option if you want @code{gperf} to generate the perfect hash -function @emph{fast}, with less emphasis on making it minimal. - -@item -The size of the generate static keyword array can get @emph{extremely} -large if the input keyword file is large or if the keywords are quite -similar. This tends to slow down the compilation of the generated C -code, and @emph{greatly} inflates the object code size. If this -situation occurs, consider using the @samp{-S} option to reduce data -size, potentially increasing keyword recognition time a negligible -amount. Since many C compilers cannot correctly generated code for -large switch statements it is important to qualify the @var{-S} option -with an appropriate numerical argument that controls the number of -switch statements generated. - -@item -The maximum number of key positions selected for a given key has an -arbitrary limit of 126. This restriction should be removed, and if -anyone considers this a problem write me and let me know so I can remove -the constraint. - -@item -The C++ source code only compiles correctly with GNU G++, version 1.36 -(and hopefully later versions). Porting to AT&T cfront would be -tedious, but possible (and desirable). There is also a K&R C version -available now. This should compile without change on most BSD systems, -but may require a bit of work to run on SYSV, since @code{gperf} uses -@var{alloca} in several places. Send mail to schmidt at ics.uci.edu for -information. -@end itemize - -@node Projects, Implementation, Bugs, Top -@chapter Things Still Left to Do - -It should be ``relatively'' easy to replace the current perfect hash -function algorithm with a more exhaustive approach; the perfect hash -module is essential independent from other program modules. Additional -worthwhile improvements include: - -@itemize @bullet -@item -Make the algorithm more robust. At present, the program halts with an -error diagnostic if it can't find a direct solution and the @samp{-D} -option is not enabled. A more comprehensive, albeit computationally -expensive, approach would employ backtracking or enable alternative -options and retry. It's not clear how helpful this would be, in -general, since most search sets are rather small in practice. - -@item -Another useful extension involves modifying the program to generate -``minimal'' perfect hash functions (under certain circumstances, the -current version can be rather extravagant in the generated table size). -Again, this is mostly of theoretical interest, since a sparse table -often produces faster lookups, and use of the @samp{-S} @code{switch} -option can minimize the data size, at the expense of slightly longer -lookups (note that the gcc compiler generally produces good code for -@code{switch} statements, reducing the need for more complex schemes). - -@item -In addition to improving the algorithm, it would also be useful to -generate a C++ class or Ada package as the code output, in addition to -the current C routines. -@end itemize - -@node Implementation, Bibliography, Projects, Top -@chapter Implementation Details of GNU @code{gperf} - -A paper describing the high-level description of the data structures and -algorithms used to implement @code{gperf} will soon be available. This -paper is useful not only from a maintenance and enhancement perspective, -but also because they demonstrate several clever and useful programming -techniques, @emph{e.g.}, `Iteration Number' boolean arrays, double -hashing, a ``safe'' and efficient method for reading arbitrarily long -input from a file, and a provably optimal algorithm for simultaneously -determining both the minimum and maximum elements in a list. - -@page - -@node Bibliography, , Implementation, Top -@chapter Bibliography - -[1] Chang, C.C.: @i{A Scheme for Constructing Ordered Minimal Perfect -Hashing Functions} Information Sciences 39(1986), 187-195. - -[2] Cichelli, Richard J. @i{Author's Response to ``On Cichelli's Minimal Perfec -t Hash -Functions Method''} Communications of the ACM, 23, 12(December 1980), 729. - -[3] Cichelli, Richard J. @i{Minimal Perfect Hash Functions Made Simple} -Communications of the ACM, 23, 1(January 1980), 17-19. - -[4] Cook, C. R. and Oldehoeft, R.R. @i{A Letter Oriented Minimal -Perfect Hashing Function} SIGPLAN Notices, 17, 9(September 1982), 18-27. - -[5] Cormack, G. V. and Horspool, R. N. S. and Kaiserwerth, M. -@i{Practical Perfect Hashing} Computer Journal, 28, 1(January 1985), 54-58. - -[6] Jaeschke, G. @i{Reciprocal Hashing: A Method for Generating Minimal -Perfect Hashing Functions} Communications of the ACM, 24, 12(December -1981), 829-833. - -[7] Jaeschke, G. and Osterburg, G. @i{On Cichelli's Minimal Perfect -Hash Functions Method} Communications of the ACM, 23, 12(December 1980), -728-729. - -[8] Sager, Thomas J. @i{A Polynomial Time Generator for Minimal Perfect -Hash Functions} Communications of the ACM, 28, 5(December 1985), 523-532 - -[9] Schmidt, Douglas C. @i{GPERF: A Perfect Hash Function Generator} -Second USENIX C++ Conference Proceedings, April 1990. - -[10] Sebesta, R.W. and Taylor, M.A. @i{Minimal Perfect Hash Functions -for Reserved Word Lists} SIGPLAN Notices, 20, 12(September 1985), 47-53. - -[11] Sprugnoli, R. @i{Perfect Hashing Functions: A Single Probe -Retrieving Method for Static Sets} Communications of the ACM, 20 -11(November 1977), 841-850. - -[12] Stallman, Richard M. @i{Using and Porting GNU CC} Free Software Foundation, -1988. - -[13] Stroustrup, Bjarne @i{The C++ Programming Language.} Addison-Wesley, 1986. - -[14] Tiemann, Michael D. @i{User's Guide to GNU C++} Free Software -Foundation, 1989. - -@contents -@bye diff --git a/apps/gperf/src/Bool_Array.cpp b/apps/gperf/src/Bool_Array.cpp deleted file mode 100644 index f308c08c24c..00000000000 --- a/apps/gperf/src/Bool_Array.cpp +++ /dev/null @@ -1,89 +0,0 @@ -/* Fast lookup table abstraction implemented as an Iteration Number Array -// $Id$ - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#include "Bool_Array.h" - -// Prints out debugging diagnostics. - -Bool_Array::~Bool_Array (void) -{ - if (option[DEBUG]) - fprintf (stderr, "\ndumping boolean array information\n" - "size = %d\niteration number = %d\nend of array dump\n", - size, generation_number); -} - -Bool_Array::Bool_Array (void) - : storage_array (0), - generation_number (0), - size (0) -{ -} - -void -Bool_Array::init (STORAGE_TYPE *buffer, STORAGE_TYPE s) -{ - size = s; - generation_number = 1; - storage_array = buffer; - - memset (storage_array, 0, s * sizeof *storage_array); - - if (option[DEBUG]) - fprintf (stderr, "\nbool array size = %d, total bytes = %d\n", - size, size * sizeof *storage_array); -} - -int -Bool_Array::find (int index) -{ - if (storage_array[index] == generation_number) - return 1; - else - { - storage_array[index] = generation_number; - return 0; - } -} - -void -Bool_Array::reset (void) -{ - if (++generation_number == 0) - { - if (option[DEBUG]) - { - fprintf (stderr, "(re-initializing bool_array)..."); - fflush (stderr); - } - - generation_number = 1; - memset (storage_array, 0, size * sizeof *storage_array); - - if (option[DEBUG]) - { - fprintf (stderr, "done\n"); - fflush (stderr); - } - } -} - diff --git a/apps/gperf/src/Bool_Array.h b/apps/gperf/src/Bool_Array.h deleted file mode 100644 index 0a2757dbc8e..00000000000 --- a/apps/gperf/src/Bool_Array.h +++ /dev/null @@ -1,65 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -/* This may look like C code, but it is really -*- C++ -*- */ - -/* Simple lookup table abstraction implemented as an Generation Number Array. - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.*/ - -/* Define and implement a simple boolean array abstraction, - uses an Generation Numbering implementation to save on initialization time. */ - -#ifndef bool_array_h -#define bool_array_h 1 - -#include "Options.h" - -#ifdef LO_CAL -/* If we are on a memory diet then we'll only make these use a limited - amount of storage space. */ -typedef u_short STORAGE_TYPE; -#else -typedef int STORAGE_TYPE; -#endif - -class Bool_Array -{ -public: - Bool_Array (void); - ~Bool_Array (void); - - void init (STORAGE_TYPE *buffer, STORAGE_TYPE s); - int find (int hash_value); - void reset (void); - -private: - STORAGE_TYPE *storage_array; - // Initialization of the index space. - - STORAGE_TYPE generation_number; - // Keep track of the current Generation. - - int size; - // Keep track of array size. -}; - - -#endif diff --git a/apps/gperf/src/Gen_Perf.cpp b/apps/gperf/src/Gen_Perf.cpp deleted file mode 100644 index 57418ccc047..00000000000 --- a/apps/gperf/src/Gen_Perf.cpp +++ /dev/null @@ -1,345 +0,0 @@ -/* Provides high-level routines to manipulate the keywork list -// $Id$ - - structures the code generation output. - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#include "Vectors.h" -#include "Gen_Perf.h" - -/* Current release version. */ -extern char *version_string; - -/* Reads input keys, possibly applies the reordering heuristic, sets - the maximum associated value size (rounded up to the nearest power - of 2), may initialize the associated values array, and determines - the maximum hash table size. Note: using the random numbers is - often helpful, though not as deterministic, of course! */ - -Gen_Perf::Gen_Perf (void) -{ - int asso_value_max; - int non_linked_length; - - this->key_list.read_keys (); - if (option[ORDER]) - this->key_list.reorder (); - asso_value_max = option.get_asso_max (); - non_linked_length = this->key_list.keyword_list_length (); - num_done = 1; - fewest_collisions = 0; - if (asso_value_max == 0) - asso_value_max = non_linked_length; - else if (asso_value_max > 0) - asso_value_max *= non_linked_length; - else /* if (asso_value_max < 0) */ - asso_value_max = non_linked_length / -asso_value_max; - option.set_asso_max (ACE_POW (asso_value_max)); - - if (option[RANDOM]) - { - srand (time (0)); - - for (int i = 0; i < ALPHA_SIZE; i++) - Vectors::asso_values[i] = (rand () & asso_value_max - 1); - } - else - { - int asso_value = option.initial_value (); - - if (asso_value) /* Initialize array if user requests non-zero default. */ - for (int i = ALPHA_SIZE - 1; i >= 0; i--) - Vectors::asso_values[i] = asso_value & option.get_asso_max () - 1; - } - max_hash_value = this->key_list.max_key_length () + option.get_asso_max () * - option.get_max_keysig_size (); - - printf ("/* "); - if (option[C]) - printf ("C"); - else if (option[CPLUSPLUS]) - printf ("C++"); - printf (" code produced by gperf version %s */\n", version_string); - Options::print_options (); - - if (option[DEBUG]) - fprintf (stderr, "total non-linked keys = %d\nmaximum associated value is %d" - "\nmaximum size of generated hash table is %d\n", - non_linked_length, asso_value_max, max_hash_value); -} - -/* Merge two disjoint hash key multisets to form the ordered disjoint union of the sets. - (In a multiset, an element can occur multiple times). - Precondition: both set_1 and set_2 must be ordered. Returns the length - of the combined set. */ - -inline int -Gen_Perf::compute_disjoint_union (char *set_1, char *set_2, char *set_3) -{ - char *base = set_3; - - while (*set_1 && *set_2) - if (*set_1 == *set_2) - set_1++, set_2++; - else - { - *set_3 = *set_1 < *set_2 ? *set_1++ : *set_2++; - if (set_3 == base || *set_3 != *(set_3-1)) set_3++; - } - - while (*set_1) - { - *set_3 = *set_1++; - if (set_3 == base || *set_3 != *(set_3-1)) set_3++; - } - - while (*set_2) - { - *set_3 = *set_2++; - if (set_3 == base || *set_3 != *(set_3-1)) set_3++; - } - *set_3 = '\0'; - return set_3 - base; -} - -/* Sort the UNION_SET in increasing frequency of occurrence. - This speeds up later processing since we may assume the resulting - set (Set_3, in this case), is ordered. Uses insertion sort, since - the UNION_SET is typically short. */ - -inline void -Gen_Perf::sort_set (char *union_set, int len) -{ - int i, j; - - for (i = 0, j = len - 1; i < j; i++) - { - char curr, tmp; - - for (curr = i + 1, tmp = union_set[curr]; - curr > 0 && Vectors::occurrences[tmp] < Vectors::occurrences[union_set[curr-1]]; - curr--) - union_set[curr] = union_set[curr - 1]; - - union_set[curr] = tmp; - } -} - -/* Generate a key set's hash value. */ - -inline int -Gen_Perf::hash (List_Node *key_node) -{ - int sum = option[NOLENGTH] ? 0 : key_node->length; - - for (char *ptr = key_node->char_set; *ptr; ptr++) - sum += Vectors::asso_values[*ptr]; - - return key_node->hash_value = sum; -} - -/* Find out how character value change affects successfully hashed - items. Returns FALSE if no other hash values are affected, else - returns TRUE. Note that because Option.Get_Asso_Max is a power of - two we can guarantee that all legal Vectors::Asso_Values are visited without - repetition since Option.Get_Jump was forced to be an odd value! */ - -inline int -Gen_Perf::affects_prev (char c, List_Node *curr) -{ - int original_char = Vectors::asso_values[c]; - int total_iterations = !option[FAST] - ? option.get_asso_max () : option.get_iterations () ? option.get_iterations () : this->key_list.keyword_list_length (); - - /* Try all legal associated values. */ - - for (int i = total_iterations - 1; i >= 0; i--) - { - int collisions = 0; - - Vectors::asso_values[c] = Vectors::asso_values[c] + (option.get_jump () ? option.get_jump () : rand ()) - & option.get_asso_max () - 1; - - /* Iteration Number array is a win, O(1) intialization time! */ - this->char_search.reset (); - - /* See how this asso_value change affects previous keywords. If - it does better than before we'll take it! */ - - for (List_Node *ptr = this->key_list.head; - !this->char_search.find (hash (ptr)) || ++collisions < fewest_collisions; - ptr = ptr->next) - if (ptr == curr) - { - fewest_collisions = collisions; - if (option[DEBUG]) - fprintf (stderr, "- resolved after %d iterations", total_iterations - i); - return 0; - } - } - - /* Restore original values, no more tries. */ - Vectors::asso_values[c] = original_char; - /* If we're this far it's time to try the next character.... */ - return 1; -} - -/* Change a character value, try least-used characters first. */ - -void -Gen_Perf::change (List_Node *prior, List_Node *curr) -{ - static char *union_set; - - if (!union_set) - union_set = new char [2 * option.get_max_keysig_size () + 1]; - - if (option[DEBUG]) - { - fprintf (stderr, "collision on keyword #%d, prior = \"%s\", curr = \"%s\" hash = %d\n", - num_done, prior->key, curr->key, curr->hash_value); - fflush (stderr); - } - sort_set (union_set, compute_disjoint_union (prior->char_set, curr->char_set, union_set)); - - /* Try changing some values, if change doesn't alter other values continue normal action. */ - fewest_collisions++; - - for (char *temp = union_set; *temp; temp++) - if (!affects_prev (*temp, curr)) - { - if (option[DEBUG]) - { - fprintf (stderr, " by changing asso_value['%c'] (char #%d) to %d\n", - *temp, temp - union_set + 1, Vectors::asso_values[*temp]); - fflush (stderr); - } - return; /* Good, doesn't affect previous hash values, we'll take it. */ - } - - for (List_Node *ptr = this->key_list.head; ptr != curr; ptr = ptr->next) - hash (ptr); - - hash (curr); - - if (option[DEBUG]) - { - fprintf (stderr, "** collision not resolved after %d iterations, %d duplicates remain, continuing...\n", - !option[FAST] ? option.get_asso_max () : option.get_iterations () ? option.get_iterations () : this->key_list.keyword_list_length (), - fewest_collisions + this->key_list.total_duplicates); - fflush (stderr); - } -} - -/* Does the hard stuff.... - Initializes the Iteration Number array, and attempts to find a perfect - function that will hash all the key words without getting any - duplications. This is made much easier since we aren't attempting - to generate *minimum* functions, only perfect ones. - If we can't generate a perfect function in one pass *and* the user - hasn't enabled the DUP option, we'll inform the user to try the - randomization option, use -D, or choose alternative key positions. - The alternatives (e.g., back-tracking) are too time-consuming, i.e, - exponential in the number of keys. */ - -int -Gen_Perf::generate (void) -{ -#if LARGE_STACK_ARRAYS - STORAGE_TYPE buffer[max_hash_value + 1]; -#else - // Note: we don't use new, because that invokes a custom operator new. - STORAGE_TYPE *buffer - = (STORAGE_TYPE*) malloc (sizeof(STORAGE_TYPE) * (max_hash_value + 1)); - if (buffer == NULL) - abort (); -#endif - - this->char_search.init (buffer, max_hash_value + 1); - - List_Node *curr; - - for (curr = this->key_list.head; - curr; - curr = curr->next) - { - hash (curr); - - for (List_Node *ptr = this->key_list.head; - ptr != curr; - ptr = ptr->next) - if (ptr->hash_value == curr->hash_value) - { - change (ptr, curr); - break; - } - num_done++; - } - - /* Make one final check, just to make sure nothing weird happened.... */ - - this->char_search.reset (); - - for (curr = this->key_list.head; - curr; - curr = curr->next) - if (this->char_search.find (hash (curr))) - if (option[DUP]) /* Keep track of this number... */ - this->key_list.total_duplicates++; - else /* Yow, big problems. we're outta here! */ - { - ACE_ERROR ((LM_ERROR, "\nInternal error, duplicate value %d:\n" - "try options -D or -r, or use new key positions.\n\n", hash (curr))); -#if !LARGE_STACK_ARRAYS - free (buffer); -#endif - return 1; - } - - /* Sorts the key word list by hash value, and then outputs the list. - The generated hash table code is only output if the early stage of - processing turned out O.K. */ - - this->key_list.sort (); - this->key_list.output (); -#if !LARGE_STACK_ARRAYS - free (buffer); -#endif - return 0; -} - -/* Prints out some diagnostics upon completion. */ - -Gen_Perf::~Gen_Perf (void) -{ - if (option[DEBUG]) - { - fprintf (stderr, "\ndumping occurrence and associated values tables\n"); - - for (int i = 0; i < ALPHA_SIZE; i++) - if (Vectors::occurrences[i]) - fprintf (stderr, "Vectors::asso_values[%c] = %6d, Vectors::occurrences[%c] = %6d\n", - i, Vectors::asso_values[i], i, Vectors::occurrences[i]); - - fprintf (stderr, "end table dumping\n"); - - } -} - diff --git a/apps/gperf/src/Gen_Perf.h b/apps/gperf/src/Gen_Perf.h deleted file mode 100644 index 50d2ab95c0f..00000000000 --- a/apps/gperf/src/Gen_Perf.h +++ /dev/null @@ -1,65 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -/* This may look like C code, but it is really -*- C++ -*- */ - -/* Provides high-level routines to manipulate the keyword list - structures the code generation output. - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#ifndef gen_perf_h -#define gen_perf_h 1 - -#include "Options.h" -#include "Key_List.h" -#include "Bool_Array.h" - -class Gen_Perf -{ -public: - Gen_Perf (void); - ~Gen_Perf (void); - int generate (void); - -private: - void change (List_Node *prior, List_Node *curr); - int affects_prev (char c, List_Node *curr); - static int hash (List_Node *key_node); - static int compute_disjoint_union (char *set_1, char *set_2, char *set_3); - static void sort_set (char *union_set, int len); - - int max_hash_value; - // Maximum possible hash value. - - int fewest_collisions; - // Records fewest # of collisions for asso value. - - int num_done; - // Number of keywords processed without a collision. - - Bool_Array char_search; - // Table that keeps track of key collisions. - - Key_List key_list; - // List of the keys we're trying to map into a perfect hash - // function. -}; -#endif diff --git a/apps/gperf/src/Hash_Table.cpp b/apps/gperf/src/Hash_Table.cpp deleted file mode 100644 index fa165715abc..00000000000 --- a/apps/gperf/src/Hash_Table.cpp +++ /dev/null @@ -1,84 +0,0 @@ -/* Hash table for checking keyword links. Implemented using double hashing. -// $Id$ - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#include "ace/ACE.h" -#include "Hash_Table.h" - -#define NIL(TYPE) (TYPE *)0 - -// The size of the hash table is always the smallest power of 2 >= the -// size indicated by the user. This allows several optimizations, -// including the use of double hashing and elimination of the mod -// instruction. Note that the size had better be larger than the -// number of items in the hash table, else there's trouble!!! Note -// that the memory for the hash table is allocated *outside* the -// intialization routine. This compromises information hiding -// somewhat, but greatly reduces memory fragmentation, since we can -// now use alloca! - -Hash_Table::Hash_Table (List_Node **table_ptr, int s) - : collisions (0), - size (s), - table (table_ptr) -{ - memset ((char *) table, 0, size * sizeof *table); -} - -Hash_Table::~Hash_Table (void) -{ - if (option[DEBUG]) - { - int field_width = option.get_max_keysig_size (); - - fprintf (stderr, "\ndumping the hash table\ntotal available table slots = %d, total bytes = %d, total collisions = %d\n" - "location, %*s, keyword\n", size, size * sizeof *table, collisions, field_width, "keysig"); - - for (int i = size - 1; i >= 0; i--) - if (table[i]) - fprintf (stderr, "%8d, %*s, %s\n", - i, field_width, table[i]->char_set, table[i]->key); - - fprintf (stderr, "\nend dumping hash table\n\n"); - } -} - -// If the ITEM is already in the hash table return the item found in -// the table. Otherwise inserts the ITEM, and returns FALSE. Uses -// double hashing. - -List_Node * -Hash_Table::operator() (List_Node *item, int ignore_length) -{ - unsigned hash_val = ACE::hash_pjw (item->char_set); - int probe = hash_val & size - 1; - int increment = (hash_val ^ item->length | 1) & size - 1; - - while (table[probe] - && (strcmp (table[probe]->char_set, item->char_set) - || (!ignore_length && table[probe]->length != item->length))) - { - collisions++; - probe = probe + increment & size - 1; - } - - return table[probe] ? table[probe] : (table[probe] = item, NIL (List_Node)); -} diff --git a/apps/gperf/src/Hash_Table.h b/apps/gperf/src/Hash_Table.h deleted file mode 100644 index 80cba1e9e34..00000000000 --- a/apps/gperf/src/Hash_Table.h +++ /dev/null @@ -1,50 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -/* This may look like C code, but it is really -*- C++ -*- */ - -/* Hash table used to check for duplicate keyword entries. - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#ifndef hash_table_h -#define hash_table_h 1 - -#include "Options.h" -#include "List_Node.h" - -class Hash_Table -{ -public: - Hash_Table (List_Node **t, int s); - ~Hash_Table (void); - List_Node *operator () (List_Node *item, int ignore_length); - -private: - List_Node **table; - // Vector of pointers to linked lists of List_Node's. - - int size; - // Size of the vector. - - int collisions; - // Find out how well our double hashing is working! -}; -#endif diff --git a/apps/gperf/src/Iterator.cpp b/apps/gperf/src/Iterator.cpp deleted file mode 100644 index 94768115231..00000000000 --- a/apps/gperf/src/Iterator.cpp +++ /dev/null @@ -1,90 +0,0 @@ -/* Provides an Iterator for keyword characters. -// $Id$ - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#include "Iterator.h" - -// Constructor for Iterator. - -Iterator::Iterator (char *s, - int lo, - int hi, - int word_end, - int bad_val, - int key_end) - : end (key_end), - error_value (bad_val), - end_word (word_end), - str (s), - hi_bound (hi), - lo_bound (lo) -{ -} - -// Provide an Iterator, returning the ``next'' value from the list of -// valid values given in the constructor. - -int -Iterator::operator() (void) -{ - // Variables to record the Iterator's status when handling ranges, - // e.g., 3-12. - - static int size; - static int curr_value; - static int upper_bound; - - if (size) - { - if (++curr_value >= upper_bound) - size = 0; - return curr_value; - } - else - { - while (*str) - switch (*str) - { - default: return error_value; - case ',': str++; break; - case '$': str++; return end_word; - case '0': case '1': case '2': case '3': case '4': - case '5': case '6': case '7': case '8': case '9': - for (curr_value = 0; isdigit (*str); str++) - curr_value = curr_value * 10 + *str - '0'; - - if (*str == '-') - { - - for (size = 1, upper_bound = 0; - isdigit (*++str); - upper_bound = upper_bound * 10 + *str - '0'); - - if (upper_bound <= curr_value || upper_bound > hi_bound) - return error_value; - } - return curr_value >= lo_bound && curr_value <= hi_bound - ? curr_value : error_value; - } - - return end; - } -} diff --git a/apps/gperf/src/Iterator.h b/apps/gperf/src/Iterator.h deleted file mode 100644 index d1fe416859d..00000000000 --- a/apps/gperf/src/Iterator.h +++ /dev/null @@ -1,67 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -/* This may look like C code, but it is really -*- C++ -*- */ - -/* Provides an Iterator for keyword characters. - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* Provides an Iterator that expands and decodes a control string - containing digits and ranges, returning an integer every time the - generator function is called. This is used to decode the user's - key position requests. For example: "-k 1,2,5-10,$" will return 1, - 2, 5, 6, 7, 8, 9, 10, and 0 ( representing the abstract ``last - character of the key'' on successive calls to the member function - operator (). No errors are handled in these routines, they are - passed back to the calling routines via a user-supplied Error_Value */ - -#ifndef iterator_h -#define iterator_h 1 - -#include "Options.h" - -class Iterator -{ -public: - Iterator (char *s, int lo, int hi, int word_end, int bad_val, int key_end); - int operator () (void); - -private: - char *str; - // A pointer to the string provided by the user. - - int end; - // Value returned after last key is processed. - - int end_word; - // A value marking the abstract ``end of word'' (usually '$'). - - int error_value; - // Error value returned when input is syntactically erroneous. - - int hi_bound; - // Greatest possible value, inclusive. - - int lo_bound; - // Smallest possible value, inclusive. -}; - -#endif diff --git a/apps/gperf/src/Key_List.cpp b/apps/gperf/src/Key_List.cpp deleted file mode 100644 index c1009b3441c..00000000000 --- a/apps/gperf/src/Key_List.cpp +++ /dev/null @@ -1,1345 +0,0 @@ -/* Routines for building, ordering, and printing the keyword list. -// $Id$ - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#include "ace/Read_Buffer.h" -#include "Hash_Table.h" -#include "Vectors.h" -#include "Key_List.h" - -/* Make the hash table 10 times larger than the number of keyword entries. */ -static const int TABLE_MULTIPLE = 10; - -/* Default type for generated code. */ -static char *const default_array_type = "char *"; - -/* in_word_set return type, by default. */ -static char *const default_return_type = "char *"; - -/* How wide the printed field width must be to contain the maximum hash value. */ -static int field_width = 0; - -static int determined[ALPHA_SIZE]; - -/* Destructor dumps diagnostics during debugging. */ - -Key_List::~Key_List (void) -{ - if (option[DEBUG]) - { - fprintf (stderr, "\nDumping key list information:\ntotal non-static linked keywords = %d" - "\ntotal keywords = %d\ntotal duplicates = %d\nmaximum key length = %d\n", - list_len, total_keys, total_duplicates ? total_duplicates + 1 : 0, max_key_len); - dump (); - ACE_ERROR ((LM_ERROR, "End dumping list.\n\n")); - } -} - -/* Gathers the input stream into a buffer until one of two things occur: - - 1. We read a '%' followed by a '%' - 2. We read a '%' followed by a '}' - - The first symbolizes the beginning of the keyword list proper, - The second symbolizes the end of the C source code to be generated - verbatim in the output file. - - I assume that the keys are separated from the optional preceding struct - declaration by a consecutive % followed by either % or } starting in - the first column. The code below uses an expandible buffer to scan off - and return a pointer to all the code (if any) appearing before the delimiter. */ - -char * -Key_List::get_special_input (char delimiter) -{ - int size = 80; - char *buf = new char[size]; - int c, i; - - for (i = 0; (c = getchar ()) != EOF; i++) - { - if (c == '%') - { - if ((c = getchar ()) == delimiter) - { - - while ((c = getchar ()) != '\n') - ; /* discard newline */ - - if (i == 0) - return ""; - else - { - buf[delimiter == '%' && buf[i - 2] == ';' ? i - 2 : i - 1] = '\0'; - return buf; - } - } - else - buf[i++] = '%'; - } - else if (i >= size) /* Yikes, time to grow the buffer! */ - { - char *temp = new char[size *= 2]; - int j; - - for (j = 0; j < i; j++) - temp[j] = buf[j]; - - buf = temp; - } - buf[i] = c; - } - - return 0; /* Problem here. */ -} - -/* Stores any C text that must be included verbatim into the - generated code output. */ - -char * -Key_List::save_include_src (void) -{ - int c; - - if ((c = getchar ()) != '%') - ungetc (c, stdin); - else if ((c = getchar ()) != '{') - ACE_ERROR ((LM_ERROR, "internal error, %c != '{' on line %d in file %s%a", c, __LINE__, __FILE__, 1)); - else - return get_special_input ('}'); - return ""; -} - -/* Determines from the input file whether the user wants to build a table - from a user-defined struct, or whether the user is content to simply - use the default array of keys. */ - -char * -Key_List::get_array_type (void) -{ - return get_special_input ('%'); -} - -/* strcspn - find length of initial segment of S consisting entirely - ANSI string package, when GNU libc comes out I'll replace this...). */ - -inline int -Key_List::strcspn (const char *s, const char *reject) -{ - const char *scan; - const char *rej_scan; - int count = 0; - - for (scan = s; *scan; scan++) - { - - for (rej_scan = reject; *rej_scan; rej_scan++) - if (*scan == *rej_scan) - return count; - - count++; - } - - return count; -} - -/* Sets up the Return_Type, the Struct_Tag type and the Array_Type - based upon various user Options. */ - -void -Key_List::set_output_types (void) -{ - if (option[TYPE] && !(array_type = get_array_type ())) - return; /* Something's wrong, bug we'll catch it later on.... */ - else if (option[TYPE]) /* Yow, we've got a user-defined type... */ - { - int struct_tag_length = strcspn (array_type, "{\n\0"); - - if (option[POINTER]) /* And it must return a pointer... */ - { - return_type = new char[struct_tag_length + 2]; - strncpy (return_type, array_type, struct_tag_length); - return_type[struct_tag_length] = '*'; - return_type[struct_tag_length + 1] = '\0'; - } - - struct_tag = new char[struct_tag_length + 1]; - strncpy (struct_tag, array_type, struct_tag_length); - struct_tag[struct_tag_length] = '\0'; - } - else if (option[POINTER]) /* Return a char *. */ - return_type = default_array_type; -} - -/* Reads in all keys from standard input and creates a linked list pointed - to by Head. This list is then quickly checked for ``links,'' i.e., - unhashable elements possessing identical key sets and lengths. */ - -void -Key_List::read_keys (void) -{ - include_src = save_include_src (); - set_output_types (); - - ACE_Read_Buffer input (stdin); - - char *ptr = input.read ('\n'); - - if (ptr == 0) - // Oops, problem with the input file. - ACE_ERROR ((LM_ERROR, "No words in input file, did you forget to prepend %s" - " or use -t accidentally?\n%a", "%%", 1)); - - /* Read in all the keywords from the input file. */ - else - { - const char *delimiter = option.get_delimiter (); - List_Node *temp, *trail = 0; - - head = new List_Node (ptr, strcspn (ptr, delimiter)); - - for (temp = head; - (ptr = input.read ('\n')) && strcmp (ptr, "%%"); - temp = temp->next) - { - temp->next = new List_Node (ptr, strcspn (ptr, delimiter)); - total_keys++; - } - - /* See if any additional source code is included at end of this file. */ - if (ptr) - additional_code = 1; - - /* Hash table this number of times larger than keyword number. */ - int table_size = (list_len = total_keys) * TABLE_MULTIPLE; - -#if LARGE_STACK_ARRAYS - /* By allocating the memory here we save on dynamic allocation overhead. - Table must be a power of 2 for the hash function scheme to work. */ - List_Node *table[ACE_POW (table_size)]; -#else - // Note: we don't use new, because that invokes a custom operator new. - int malloc_size = ACE_POW (table_size) * sizeof(List_Node*); - if (malloc_size == 0) malloc_size = 1; - List_Node **table = (List_Node**)malloc(malloc_size); - if (table == NULL) - abort (); -#endif - - /* Make large hash table for efficiency. */ - Hash_Table found_link (table, table_size); - - /* Test whether there are any links and also set the maximum length of - an identifier in the keyword list. */ - - for (temp = head; temp; temp = temp->next) - { - List_Node *ptr = found_link (temp, option[NOLENGTH]); - - /* Check for links. We deal with these by building an equivalence class - of all duplicate values (i.e., links) so that only 1 keyword is - representative of the entire collection. This *greatly* simplifies - processing during later stages of the program. */ - - if (ptr) - { - total_duplicates++; - list_len--; - trail->next = temp->next; - temp->link = ptr->link; - ptr->link = temp; - - /* Complain if user hasn't enabled the duplicate option. */ - if (!option[DUP] || option[DEBUG]) - ACE_ERROR ((LM_ERROR, "Key link: \"%s\" = \"%s\", with key set \"%s\".\n", - temp->key, ptr->key, temp->char_set)); - } - else - trail = temp; - - /* Update minimum and maximum keyword length, if needed. */ - if (max_key_len < temp->length) - max_key_len = temp->length; - if (min_key_len > temp->length) - min_key_len = temp->length; - } - -#if !LARGE_STACK_ARRAYS - free (table); -#endif - - /* Exit program if links exists and option[DUP] not set, since we can't continue */ - if (total_duplicates) - ACE_ERROR ((LM_ERROR, option[DUP] - ? "%d input keys have identical hash values, examine output carefully...\n" - : "%d input keys have identical hash values,\ntry different key positions or use option -D.\n%a", total_duplicates, 1)); - if (option[ALLCHARS]) - option.set_keysig_size (max_key_len); - } -} - -/* Recursively merges two sorted lists together to form one sorted list. The - ordering criteria is by frequency of occurrence of elements in the key set - or by the hash value. This is a kludge, but permits nice sharing of - almost identical code without incurring the overhead of a function - call comparison. */ - -List_Node * -Key_List::merge (List_Node *list1, List_Node *list2) -{ - if (!list1) - return list2; - else if (!list2) - return list1; - else if (occurrence_sort && list1->occurrence < list2->occurrence - || hash_sort && list1->hash_value > list2->hash_value) - { - list2->next = merge (list2->next, list1); - return list2; - } - else - { - list1->next = merge (list1->next, list2); - return list1; - } -} - -/* Applies the merge sort algorithm to recursively sort the key list by - frequency of occurrence of elements in the key set. */ - -List_Node * -Key_List::merge_sort (List_Node *a_head) -{ - if (!a_head || !a_head->next) - return a_head; - else - { - List_Node *middle = a_head; - List_Node *temp = a_head->next->next; - - while (temp) - { - temp = temp->next; - middle = middle->next; - if (temp) - temp = temp->next; - } - - temp = middle->next; - middle->next = 0; - return merge (merge_sort (a_head), merge_sort (temp)); - } -} - -/* Returns the frequency of occurrence of elements in the key set. */ - -inline int -Key_List::get_occurrence (List_Node *ptr) -{ - int value = 0; - - for (char *temp = ptr->char_set; *temp; temp++) - value += Vectors::occurrences[*temp]; - - return value; -} - -/* Enables the index location of all key set elements that are now - determined. */ - -inline void -Key_List::set_determined (List_Node *ptr) -{ - for (char *temp = ptr->char_set; *temp; temp++) - determined[*temp] = 1; -} - -/* Returns TRUE if PTR's key set is already completely determined. */ - -inline int -Key_List::already_determined (List_Node *ptr) -{ - int is_determined = 1; - - for (char *temp = ptr->char_set; is_determined && *temp; temp++) - is_determined = determined[*temp]; - - return is_determined; -} - -/* Reorders the table by first sorting the list so that frequently occuring - keys appear first, and then the list is reorded so that keys whose values - are already determined will be placed towards the front of the list. This - helps prune the search time by handling inevitable collisions early in the - search process. See Cichelli's paper from Jan 1980 JACM for details.... */ - -void -Key_List::reorder (void) -{ - List_Node *ptr; - - for (ptr = head; ptr; ptr = ptr->next) - ptr->occurrence = get_occurrence (ptr); - - occurrence_sort = !(hash_sort = 0); /* Pretty gross, eh?! */ - - for (ptr = head = merge_sort (head); ptr->next; ptr = ptr->next) - { - set_determined (ptr); - - if (already_determined (ptr->next)) - continue; - else - { - List_Node *trail_ptr = ptr->next; - List_Node *run_ptr = trail_ptr->next; - - for (; run_ptr; run_ptr = trail_ptr->next) - { - - if (already_determined (run_ptr)) - { - trail_ptr->next = run_ptr->next; - run_ptr->next = ptr->next; - ptr = ptr->next = run_ptr; - } - else - trail_ptr = run_ptr; - } - } - } -} - -/* Outputs the maximum and minimum hash values. Since the - list is already sorted by hash value all we need to do is - find the final item! */ - -void -Key_List::output_min_max () -{ - List_Node *temp; - for (temp = head; temp->next; temp = temp->next) - ; - - min_hash_value = head->hash_value; - max_hash_value = temp->hash_value; - - if (!option[ENUM]) - printf ("\n#define TOTAL_KEYWORDS %d\n#define MIN_WORD_LENGTH %d" - "\n#define MAX_WORD_LENGTH %d\n#define MIN_HASH_VALUE %d" - "\n#define MAX_HASH_VALUE %d\n#define HASH_VALUE_RANGE %d" - "\n#define DUPLICATES %d\n\n", - total_keys, min_key_len, max_key_len, min_hash_value, - max_hash_value, max_hash_value - min_hash_value + 1, - total_duplicates ? total_duplicates + 1 : 0); - else if (option[GLOBAL]) - printf ("enum\n{\n" - " TOTAL_KEYWORDS = %d,\n" - " MIN_WORD_LENGTH = %d,\n" - " MAX_WORD_LENGTH = %d,\n" - " MIN_HASH_VALUE = %d,\n" - " MAX_HASH_VALUE = %d,\n" - " HASH_VALUE_RANGE = %d,\n" - " DUPLICATES = %d\n};\n\n", - total_keys, min_key_len, max_key_len, min_hash_value, - max_hash_value, max_hash_value - min_hash_value + 1, - total_duplicates ? total_duplicates + 1 : 0); -} - -/* Generates the output using a C switch. This trades increased - search time for decreased table space (potentially *much* less - space for sparse tables). It the user has specified their own - struct in the keyword file *and* they enable the POINTER option we - have extra work to do. The solution here is to maintain a local - static array of user defined struct's, as with the - Output_Lookup_Function. Then we use for switch statements to - perform either a strcmp or strncmp, returning 0 if the str fails to - match, and otherwise returning a pointer to appropriate index - location in the local static array. */ - -void -Key_List::output_switch (void) -{ - char *comp_buffer; - List_Node *curr = head; - int pointer_and_type_enabled = option[POINTER] && option[TYPE]; - int total_switches = option.get_total_switches (); - int switch_size = keyword_list_length () / total_switches; - - if (pointer_and_type_enabled) - { -#if defined (__GNUG__) - comp_buffer = (char *) alloca (strlen ("charmap[*str] == *resword->%s && !strncasecmp (str + 1, resword->%s + 1, len - 1)") - + 2 * strlen (option.get_key_name ()) + 1); -#else - comp_buffer = new char [strlen ("charmap[*str] == *resword->%s && !strncasecmp (str + 1, resword->%s + 1, len - 1)") - + 2 * strlen (option.get_key_name ()) + 1]; -#endif - if (option[COMP]) - sprintf (comp_buffer, "%s == *resword->%s && !%s (str + 1, resword->%s + 1, len - 1)", - option[STRCASECMP] ? "charmap[*str]" : "*str", option.get_key_name (), - option[STRCASECMP] ? "strncasecmp" : "strncmp", option.get_key_name ()); - else - sprintf (comp_buffer, "%s == *resword->%s && !%s (str + 1, resword->%s + 1)", - option[STRCASECMP] ? "charmap[*str]" : "*str", option.get_key_name (), - option[STRCASECMP] ? "strcasecmp" : "strcmp", option.get_key_name ()); - } - else - { - if (option[COMP]) - comp_buffer = option[STRCASECMP] - ? "charmap[*str] == *resword && !strncasecmp (str + 1, resword + 1, len - 1)" - : "*str == *resword && !strncmp (str + 1, resword + 1, len - 1)"; - else - comp_buffer = option[STRCASECMP] - ? "charmap[*str] == *resword && !strcasecmp (str + 1, resword + 1, len - 1)" - : "*str == *resword && !strcmp (str + 1, resword + 1, len - 1)"; - } - if (!option[OPTIMIZE]) - printf (" if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)\n {\n"); - printf (" register int key = %s (str, len);\n\n", option.get_hash_name ()); - if (!option[OPTIMIZE]) - printf (" if (key <= MAX_HASH_VALUE && key >= MIN_HASH_VALUE)\n"); - - printf (" {\n"); - - /* Properly deal with user's who request multiple switch statements. */ - - while (curr) - { - List_Node *temp = curr; - int lowest_case_value = curr->hash_value; - int number_of_cases = 0; - - /* Figure out a good cut point to end this switch. */ - - for (; temp && ++number_of_cases < switch_size; temp = temp->next) - if (temp->next && temp->hash_value == temp->next->hash_value) - while (temp->next && temp->hash_value == temp->next->hash_value) - temp = temp->next; - - if (temp && total_switches != 1) - printf (" if (key <= %d)\n {\n", temp->hash_value); - else - printf (" {\n"); - - /* Output each keyword as part of a switch statement indexed by hash value. */ - - if (option[POINTER] || option[DUP]) - { - int i = 0; - - printf (" %s%s *resword; %s\n\n", - option[CONST] ? "const " : "", - pointer_and_type_enabled ? struct_tag : "char", - option[LENTABLE] && !option[DUP] ? "int key_len;" : ""); - if (total_switches == 1) - { - printf (" switch (key)\n {\n"); - lowest_case_value = 0; - } - else - printf (" switch (key - %d)\n {\n", lowest_case_value); - - for (temp = curr; temp && ++i <= number_of_cases; temp = temp->next) - { - printf (" case %*d:", field_width, temp->hash_value - lowest_case_value); - if (option[DEBUG]) - printf (" /* hash value = %4d, keyword = \"%s\" */", temp->hash_value, temp->key); - putchar ('\n'); - - /* Handle `natural links,' i.e., those that occur statically. */ - - if (temp->link) - { - List_Node *links; - - for (links = temp; links; links = links->link) - { - if (pointer_and_type_enabled) - printf (" resword = &wordlist[%d];\n", links->index); - else - printf (" resword = \"%s\";\n", links->key); - printf (" if (%s) return resword;\n", comp_buffer); - } - } - /* Handle unresolved duplicate hash values. These are guaranteed - to be adjacent since we sorted the keyword list by increasing - hash values. */ - if (temp->next && temp->hash_value == temp->next->hash_value) - { - - for ( ; temp->next && temp->hash_value == temp->next->hash_value; - temp = temp->next) - { - if (pointer_and_type_enabled) - printf (" resword = &wordlist[%d];\n", temp->index); - else - printf (" resword = \"%s\";\n", temp->key); - printf (" if (%s) return resword;\n", comp_buffer); - } - if (pointer_and_type_enabled) - printf (" resword = &wordlist[%d];\n", temp->index); - else - printf (" resword = \"%s\";\n", temp->key); - printf (" return %s ? resword : 0;\n", comp_buffer); - } - else if (temp->link) - printf (" return 0;\n"); - else - { - if (pointer_and_type_enabled) - printf (" resword = &wordlist[%d];", temp->index); - else - printf (" resword = \"%s\";", temp->key); - if (option[LENTABLE] && !option[DUP]) - printf (" key_len = %d;", temp->length); - printf (" break;\n"); - } - } - printf (" default: return 0;\n }\n"); - if (option[OPTIMIZE]) - printf (" return resword;\n"); - else - { - printf (option[LENTABLE] && !option[DUP] - ? " if (len == key_len && %s)\n return resword;\n" - : " if (%s)\n return resword;\n", comp_buffer); - printf (" return 0;\n"); - } - printf (" }\n"); - curr = temp; - } - else /* Nothing special required here. */ - { - int i = 0; - printf (" char *s;\n\n switch (key - %d)\n {\n", - lowest_case_value); - - for (temp = curr; temp && ++i <= number_of_cases; temp = temp->next) - if (option[LENTABLE]) - printf (" case %*d: if (len == %d) s = \"%s\"; else return 0; break;\n", - field_width, temp->hash_value - lowest_case_value, - temp->length, temp->key); - else - printf (" case %*d: s = \"%s\"; break;\n", - field_width, temp->hash_value - lowest_case_value, temp->key); - - printf (" default: return 0;\n }\n "); - if (option[COMP]) - printf ("return %s == *s && !%s;\n }\n", - option[STRCASECMP] ? "charmap[*str]" : "*str", - option[STRCASECMP] ? "strncasecmp (s + 1, str + 1, len - 1)" : "strcmp (s + 1, str + 1)"); - else - printf ("return %s == *s && !%s;\n }\n", - option[STRCASECMP] ? "charmap[*str]" : "*str", - option[STRCASECMP] ? "strcasecmp (s + 1, str + 1, len - 1)" : "strcmp (s + 1, str + 1)"); - curr = temp; - } - } - printf (" }\n %s\n}\n", option[OPTIMIZE] ? "" : "}\n return 0;"); -} - -/* Prints out a table of keyword lengths, for use with the - comparison code in generated function ``in_word_set.'' */ - -void -Key_List::output_keylength_table (void) -{ - const int max_column = 15; - int index = 0; - int column = 0; - char *indent = option[GLOBAL] ? "" : " "; - List_Node *temp; - - if (!option[DUP] && !option[SWITCH]) - { - printf ("\n%sstatic %sunsigned %s lengthtable[] =\n%s%s{\n ", - indent, option[CONST] ? "const " : "", - max_key_len <= UCHAR_MAX ? "char" : (max_key_len <= USHRT_MAX ? "short" : "long"), - indent, indent); - - for (temp = head; temp; temp = temp->next, index++) - { - - if (index < temp->hash_value) - for ( ; index < temp->hash_value; index++) - printf ("%3d,%s", 0, ++column % (max_column - 1) ? "" : "\n "); - - printf ("%3d,%s", temp->length, ++column % (max_column - 1 ) ? "" : "\n "); - } - - printf ("\n%s%s};\n", indent, indent); - } -} -/* Prints out the array containing the key words for the Gen_Perf - hash function. */ - -void -Key_List::output_keyword_table (void) -{ - char *l_brace = *head->rest ? "{" : ""; - char *r_brace = *head->rest ? "}," : ""; - char *indent = option[GLOBAL] ? "" : " "; - int index = 0; - List_Node *temp; - - printf ("%sstatic %s%swordlist[] =\n%s%s{\n", - indent, option[CONST] ? "const " : "", struct_tag, indent, indent); - - /* Skip over leading blank entries if there are no duplicates. */ - - if (0 < head->hash_value) - printf (" "); - for (int column = 1; index < head->hash_value; index++, column++) - printf ("%s\"\",%s %s", l_brace, r_brace, column % 9 ? "" : "\n "); - if (0 < head->hash_value && column % 10) - printf ("\n"); - - /* Generate an array of reserved words at appropriate locations. */ - - for (temp = head ; temp; temp = temp->next, index++) - { - temp->index = index; - - if (!option[SWITCH] && (total_duplicates == 0 || !option[DUP]) && index < temp->hash_value) - { - int column; - - printf (" "); - - for (column = 1; index < temp->hash_value; index++, column++) - printf ("%s\"\",%s %s", l_brace, r_brace, column % 9 ? "" : "\n "); - - if (column % 10) - printf ("\n"); - else - { - printf ("%s\"%s\", %s%s", l_brace, temp->key, temp->rest, r_brace); - if (option[DEBUG]) - printf (" /* hash value = %d, index = %d */", temp->hash_value, temp->index); - putchar ('\n'); - continue; - } - } - - printf (" %s\"%s\", %s%s", l_brace, temp->key, temp->rest, r_brace); - if (option[DEBUG]) - printf (" /* hash value = %d, index = %d */", temp->hash_value, temp->index); - putchar ('\n'); - - /* Deal with links specially. */ - if (temp->link) - for (List_Node *links = temp->link; links; links = links->link) - { - links->index = ++index; - printf (" %s\"%s\", %s%s", l_brace, links->key, links->rest, r_brace); - if (option[DEBUG]) - printf (" /* hash value = %d, index = %d */", links->hash_value, links->index); - putchar ('\n'); - } - } - printf ("%s%s};\n\n", indent, indent); -} - -/* Generates C code for the hash function that returns the - proper encoding for each key word. */ - -void -Key_List::output_hash_function (void) -{ - const int max_column = 10; - int count = max_hash_value; - - /* Calculate maximum number of digits required for MAX_HASH_VALUE. */ - - for (field_width = 2; (count /= 10) > 0; field_width++) - ; - - if (option[GNU]) - printf ("#ifdef __GNUC__\ninline\n#endif\n"); - - if (option[C]) - printf ("static "); - printf ("unsigned int\n"); - if (option[CPLUSPLUS]) - printf ("%s::", option.get_class_name ()); - - printf (option[ANSI] - ? "%s (register const char *str, register int len)\n{\n static %sunsigned %s asso_values[] =\n {" - : "%s (str, len)\n register char *str;\n register int unsigned len;\n{\n static %sunsigned %s asso_values[] =\n {", - option.get_hash_name (), option[CONST] ? "const " : "", - max_hash_value <= UCHAR_MAX ? "char" : (max_hash_value <= USHRT_MAX ? "short" : "int")); - - for (count = 0; count < ALPHA_SIZE; ++count) - { - if (!(count % max_column)) - printf ("\n "); - - printf ("%*d,", - field_width, - Vectors::occurrences[count] ? Vectors::asso_values[count] : max_hash_value + 1); - } - - /* Optimize special case of ``-k 1,$'' */ - if (option[DEFAULTCHARS]) - { - if (option[STRCASECMP]) - printf ("\n };\n return %sasso_values[charmap[str[len - 1]]] + asso_values[charmap[str[0]]];\n}\n\n", - option[NOLENGTH] ? "" : "len + "); - else - printf ("\n };\n return %sasso_values[str[len - 1]] + asso_values[str[0]];\n}\n\n", - option[NOLENGTH] ? "" : "len + "); - } - else - { - int key_pos; - - option.reset (); - - /* Get first (also highest) key position. */ - key_pos = option.get (); - - /* We can perform additional optimizations here. */ - if (!option[ALLCHARS] && key_pos <= min_key_len) - { - printf ("\n };\n return %s", option[NOLENGTH] ? "" : "len + "); - - for (; key_pos != WORD_END; ) - { - printf (option[STRCASECMP] ? "asso_values[charmap[str[%d]]]" : "asso_values[str[%d]]", key_pos - 1); - if ((key_pos = option.get ()) != EOS) - printf (" + "); - else - break; - } - - printf ("%s;\n}\n\n", key_pos == WORD_END - ? (option[STRCASECMP] ? "asso_values[charmap[str[len - 1]]]" : "asso_values[str[len - 1]]") - : ""); - } - - /* We've got to use the correct, but brute force, technique. */ - else - { - printf ("\n };\n register int hval = %s;\n\n switch (%s)\n {\n default:\n", - option[NOLENGTH] ? "0" : "len", option[NOLENGTH] ? "len" : "hval"); - - /* User wants *all* characters considered in hash. */ - if (option[ALLCHARS]) - { - int i; - - /* Break these options up for speed (gee, is this misplaced efficiency or what?! */ - if (option[STRCASECMP]) - - for (i = max_key_len; i > 0; i--) - printf (" case %d:\n hval += asso_values[charmap[str[%d]]];\n", i, i - 1); - - else - - for (i = max_key_len; i > 0; i--) - printf (" case %d:\n hval += asso_values[str[%d]];\n", i, i - 1); - - printf (" }\n return hval;\n}\n\n"); - } - else /* do the hard part... */ - { - count = key_pos + 1; - - do - { - - while (--count > key_pos) - printf (" case %d:\n", count); - - printf (option[STRCASECMP] - ? " case %d:\n hval += asso_values[charmap[str[%d]]];\n" - : " case %d:\n hval += asso_values[str[%d]];\n", - key_pos, key_pos - 1); - } - while ((key_pos = option.get ()) != EOS && key_pos != WORD_END); - - printf (" }\n return hval%s;\n}\n\n", - key_pos == WORD_END - ? (option[STRCASECMP] ? " + asso_values[charmap[str[len - 1]]]" : " + asso_values[str[len - 1]]") - : ""); - } - } - } -} - -/* Generates the large, sparse table that maps hash values into - the smaller, contiguous range of the keyword table. */ - -void -Key_List::output_lookup_array (void) -{ - if (total_duplicates > 0) - { - const int DEFAULT_VALUE = -1; - - struct duplicate_entry - { - int hash_value; /* Hash value for this particular duplicate set. */ - int index; /* Index into the main keyword storage array. */ - int count; /* Number of consecutive duplicates at this index. */ - }; -#if LARGE_STACK_ARRAYS - duplicate_entry duplicates[total_duplicates]; - int lookup_array[max_hash_value + 1]; -#else - // Note: we don't use new, because that invokes a custom operator new. - duplicate_entry *duplicates = (duplicate_entry*) - malloc (total_duplicates * sizeof(duplicate_entry)); - int *lookup_array = (int*)malloc(sizeof(int) * (max_hash_value + 1)); - if (duplicates == NULL || lookup_array == NULL) - abort(); -#endif - duplicate_entry *dup_ptr = duplicates; - int *lookup_ptr = lookup_array + max_hash_value + 1; - - while (lookup_ptr > lookup_array) - *--lookup_ptr = DEFAULT_VALUE; - - for (List_Node *temp = head; temp; temp = temp->next) - { - int hash_value = temp->hash_value; - lookup_array[hash_value] = temp->index; - if (option[DEBUG]) - fprintf (stderr, "keyword = %s, index = %d\n", temp->key, temp->index); - if (!temp->link && - (!temp->next || hash_value != temp->next->hash_value)) - continue; -#if LARGE_STACK_ARRAYS - *dup_ptr = (duplicate_entry) { hash_value, temp->index, 1 }; -#else - duplicate_entry _dups; - _dups.hash_value = hash_value; - _dups.index = temp->index; - _dups.count = 1; - *dup_ptr = _dups; -#endif - - for (List_Node *ptr = temp->link; ptr; ptr = ptr->link) - { - dup_ptr->count++; - if (option[DEBUG]) - fprintf (stderr, "static linked keyword = %s, index = %d\n", ptr->key, ptr->index); - } - - while (temp->next && hash_value == temp->next->hash_value) - { - temp = temp->next; - dup_ptr->count++; - if (option[DEBUG]) - fprintf (stderr, "dynamic linked keyword = %s, index = %d\n", temp->key, temp->index); - - for (List_Node *ptr = temp->link; ptr; ptr = ptr->link) - { - dup_ptr->count++; - if (option[DEBUG]) - fprintf (stderr, "static linked keyword = %s, index = %d\n", ptr->key, ptr->index); - } - } - dup_ptr++; - } - - while (--dup_ptr >= duplicates) - { - if (option[DEBUG]) - fprintf (stderr, "dup_ptr[%d]: hash_value = %d, index = %d, count = %d\n", - dup_ptr - duplicates, dup_ptr->hash_value, dup_ptr->index, dup_ptr->count); - - /* Start searching for available space towards the right part of the lookup array. */ - int i; - for (i = dup_ptr->hash_value; i < max_hash_value; i++) - if (lookup_array[i] == DEFAULT_VALUE && lookup_array[i + 1] == DEFAULT_VALUE) - { - lookup_array[i] = -dup_ptr->index; - lookup_array[i + 1] = -dup_ptr->count; - lookup_array[dup_ptr->hash_value] = max_hash_value + (i - dup_ptr->hash_value); - break; - } - - /* If we didn't find it to the right look to the left instead... */ - if (i == max_hash_value) - { - - for (i = dup_ptr->hash_value; i > 0; i--) - if (lookup_array[i] == DEFAULT_VALUE && lookup_array[i - 1] == DEFAULT_VALUE) - { - lookup_array[i - 1] = -dup_ptr->index; - lookup_array[i] = -dup_ptr->count; - lookup_array[dup_ptr->hash_value] = -(max_hash_value + (dup_ptr->hash_value - i + 1)); - break; - } - - /* We are in *big* trouble if this happens! */ - assert (i != 0); - } - } - - int max = INT_MIN; - lookup_ptr = lookup_array + max_hash_value + 1; - while (lookup_ptr > lookup_array) - { - int val = abs (*--lookup_ptr); - if (max < val) - max = val; - } - - char *indent = option[GLOBAL] ? "" : " "; - printf ("%sstatic %s%s lookup[] =\n%s%s{\n ", indent, option[CONST] ? "const " : "", - max <= SCHAR_MAX ? "char" : (max <= USHRT_MAX ? "short" : "int"), - indent, indent); - - int count = max; - - /* Calculate maximum number of digits required for MAX_HASH_VALUE. */ - - for (field_width = 2; (count /= 10) > 0; field_width++) - ; - - const int max_column = 15; - int column = 0; - - for (lookup_ptr = lookup_array; - lookup_ptr < lookup_array + max_hash_value + 1; - lookup_ptr++) - printf ("%*d,%s", field_width, *lookup_ptr, ++column % (max_column - 1) ? "" : "\n "); - - printf ("\n%s%s};\n\n", indent, indent); -#if !LARGE_STACK_ARRAYS - free (duplicates); - free (lookup_array); -#endif - } -} -/* Generates C code to perform the keyword lookup. */ - -void -Key_List::output_lookup_function (void) -{ - if (!option[OPTIMIZE]) - printf (" if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)\n {\n"); - printf (" register int key = %s (str, len);\n\n", option.get_hash_name ()); - if (!option[OPTIMIZE]) - printf (" if (key <= MAX_HASH_VALUE && key >= MIN_HASH_VALUE)\n"); - printf (" {\n"); - - if (option[DUP] && total_duplicates > 0) - { - printf (" register int index = lookup[key];\n\n" - " if (index >= 0 && index < MAX_HASH_VALUE)\n"); - if (option[OPTIMIZE]) - printf (" return %swordlist[index];\n", option[TYPE] && option[POINTER] ? "&" : ""); - else - { - printf (" {\n" - " register %schar *s = wordlist[index]", option[CONST] ? "const " : ""); - if (array_type != default_array_type) - printf (".%s", option.get_key_name ()); - - printf (";\n\n if (%s%s == *s && !%s)\n return %s;\n }\n", - option[LENTABLE] ? "len == lengthtable[key]\n && " : "", - option[STRCASECMP] ? "charmap[*str]" : "*str", - option[COMP] ? (option[STRCASECMP] ? "strncasecmp (str + 1, s + 1, len - 1)" : "strncmp (str + 1, s + 1, len - 1)") - : (option[STRCASECMP] ? "strcasecmp (str + 1, s + 1)" : "strcmp (str + 1, s + 1)"), - option[TYPE] && option[POINTER] ? "&wordlist[index]" : "s"); - printf (" else if (index < 0 && index >= -MAX_HASH_VALUE)\n" - " return 0;\n"); - } - printf (" else\n {\n" - " register int offset = key + index + (index > 0 ? -MAX_HASH_VALUE : MAX_HASH_VALUE);\n" - " register %s%s*base = &wordlist[-lookup[offset]];\n" - " register %s%s*ptr = base + -lookup[offset + 1];\n\n" - " while (--ptr >= base)\n ", - option[CONST] ? "const " : "", struct_tag, - option[CONST] ? "const " : "", struct_tag); - if (array_type != default_array_type) - { - if (option[COMP]) - printf ("if (%s == *ptr->%s && !%s (str + 1, ptr->%s + 1, len - 1", - option[STRCASECMP] ? "charmap[*str]" : "*str", option.get_key_name (), - option[STRCASECMP] ? "strncasecmp" : "strncmp", option.get_key_name ()); - else - printf ("if (%s == *ptr->%s && !%s (str + 1, ptr->%s + 1", - option[STRCASECMP] ? "charmap[*str]" : "*str", option.get_key_name (), - option[STRCASECMP] ? "strcasecmp" : "strcmp", option.get_key_name ()); - } - else - printf (option[STRCASECMP] ? "if (charmap[*str] == **ptr && !%s" : "if (*str == **ptr && !%s", - option[COMP] - ? (option[STRCASECMP] ? "strncasecmp (str + 1, *ptr + 1, len - 1" : "strncmp (str + 1, *ptr + 1, len - 1") - : (option[STRCASECMP] ? "strcasecmp (str + 1, *ptr + 1" : "strcmp (str + 1, *ptr + 1")); - printf ("))\n return %sptr;" - "\n }\n }\n %s\n}\n", array_type == - default_array_type ? "*" : "", option[OPTIMIZE] ? "" : "}\n return 0;"); - } - else - { - if (option[OPTIMIZE]) - printf (" return %swordlist[key]", option[TYPE] && option[POINTER] ? "&" : ""); - else - { - printf (" register %schar *s = wordlist[key]", option[CONST] ? "const " : ""); - - if (array_type != default_array_type) - printf (".%s", option.get_key_name ()); - - printf (";\n\n if (%s%s == *s && !%s)\n return %s", - option[LENTABLE] ? "len == lengthtable[key]\n && " : "", - option[STRCASECMP] ? "charmap[*str]" : "*str", - option[COMP] - ? (option[STRCASECMP] ? "strncasecmp (str + 1, s + 1, len - 1)" : "strncmp (str + 1, s + 1, len - 1)") - : (option[STRCASECMP] ? "strcasecmp (str + 1, s + 1)" : "strcmp (str + 1, s + 1)"), - option[TYPE] && option[POINTER] ? "&wordlist[key]" : "s"); - } - printf (";\n }\n %s\n}\n", option[OPTIMIZE] ? "" : "}\n return 0;"); - } -} - -/* Output the table and the functions that map upper case into lower case! */ - -void -Key_List::output_strcasecmp (void) -{ - printf ("%s", - "/* This array is designed for mapping upper and lower case letter\n" - " * together for a case independent comparison. The mappings are\n" - " * based upon ascii character sequences.\n */" - "static char charmap[] = {\n" - " '\\000', '\\001', '\\002', '\\003', '\\004', '\\005', '\\006', '\\007',\n" - " '\\010', '\\011', '\\012', '\\013', '\\014', '\\015', '\\016', '\\017',\n" - " '\\020', '\\021', '\\022', '\\023', '\\024', '\\025', '\\026', '\\027',\n" - " '\\030', '\\031', '\\032', '\\033', '\\034', '\\035', '\\036', '\\037',\n" - " '\\040', '\\041', '\\042', '\\043', '\\044', '\\045', '\\046', '\\047',\n" - " '\\050', '\\051', '\\052', '\\053', '\\054', '\\055', '\\056', '\\057',\n" - " '\\060', '\\061', '\\062', '\\063', '\\064', '\\065', '\\066', '\\067',\n" - " '\\070', '\\071', '\\072', '\\073', '\\074', '\\075', '\\076', '\\077',\n" - " '\\100', '\\141', '\\142', '\\143', '\\144', '\\145', '\\146', '\\147',\n" - " '\\150', '\\151', '\\152', '\\153', '\\154', '\\155', '\\156', '\\157',\n" - " '\\160', '\\161', '\\162', '\\163', '\\164', '\\165', '\\166', '\\167',\n" - " '\\170', '\\171', '\\172', '\\133', '\\134', '\\135', '\\136', '\\137',\n" - " '\\140', '\\141', '\\142', '\\143', '\\144', '\\145', '\\146', '\\147',\n" - " '\\150', '\\151', '\\152', '\\153', '\\154', '\\155', '\\156', '\\157',\n" - " '\\160', '\\161', '\\162', '\\163', '\\164', '\\165', '\\166', '\\167',\n" - " '\\170', '\\171', '\\172', '\\173', '\\174', '\\175', '\\176', '\\177',\n" - " '\\200', '\\201', '\\202', '\\203', '\\204', '\\205', '\\206', '\\207',\n" - " '\\210', '\\211', '\\212', '\\213', '\\214', '\\215', '\\216', '\\217',\n" - " '\\220', '\\221', '\\222', '\\223', '\\224', '\\225', '\\226', '\\227',\n" - " '\\230', '\\231', '\\232', '\\233', '\\234', '\\235', '\\236', '\\237',\n" - " '\\240', '\\241', '\\242', '\\243', '\\244', '\\245', '\\246', '\\247',\n" - " '\\250', '\\251', '\\252', '\\253', '\\254', '\\255', '\\256', '\\257',\n" - " '\\260', '\\261', '\\262', '\\263', '\\264', '\\265', '\\266', '\\267',\n" - " '\\270', '\\271', '\\272', '\\273', '\\274', '\\275', '\\276', '\\277',\n" - " '\\300', '\\341', '\\342', '\\343', '\\344', '\\345', '\\346', '\\347',\n" - " '\\350', '\\351', '\\352', '\\353', '\\354', '\\355', '\\356', '\\357',\n" - " '\\360', '\\361', '\\362', '\\363', '\\364', '\\365', '\\366', '\\367',\n" - " '\\370', '\\371', '\\372', '\\333', '\\334', '\\335', '\\336', '\\337',\n" - " '\\340', '\\341', '\\342', '\\343', '\\344', '\\345', '\\346', '\\347',\n" - " '\\350', '\\351', '\\352', '\\353', '\\354', '\\355', '\\356', '\\357',\n" - " '\\360', '\\361', '\\362', '\\363', '\\364', '\\365', '\\366', '\\367',\n" - " '\\370', '\\371', '\\372', '\\373', '\\374', '\\375', '\\376', '\\377',\n};\n\nstatic int\n"); - if (option[COMP]) - { - printf ("%s", option[ANSI] - ? "strncasecmp (register char *s1, register char *s2, register int n)" - : "strncasecmp (s1, s2, n)\n register char *s1, *s2;\n register int n;"); - printf ("\n{\n register char *cm = charmap;\n\n while (--n >= 0 && cm[*s1] == cm[*s2++])\n" - " if (*s1++ == '\\0')\n return 0;\n" - "\n return n < 0 ? 0 : cm[*s1] - cm[*--s2];\n}\n\n"); - } - else - { - printf ("%s", option[ANSI] - ? "strcasecmp (register char *s1, register char *s2)" - : "strcasecmp (s1, s2)\n register char *s1, *s2;"); - printf ("\n{\n register char *cm = charmap;\n\n while (cm[*s1] == cm[*s2++])\n" - " if (*s1++ == '\\0')\n return 0;\n" - "\n return cm[*s1] - cm[*--s2];\n}\n\n"); - } -} - -/* Generates the hash function and the key word recognizer function - based upon the user's Options. */ - -void -Key_List::output (void) -{ - printf ("%s\n", include_src); - - if (option[TYPE] && !option[NOTYPE]) /* Output type declaration now, reference it later on.... */ - printf ("%s;\n", array_type); - - output_min_max (); - - if (option[STRCASECMP]) - output_strcasecmp (); - if (option[CPLUSPLUS]) - printf ("class %s\n{\nprivate:\n" - " static unsigned int hash (const char *str, int len);\npublic:\n" - " static %s%s%s (const char *str, int len);\n};\n\n", - option.get_class_name (), option[CONST] ? "const " : "", - return_type, option.get_function_name ()); - - output_hash_function (); - - if (option[GLOBAL]) - if (option[SWITCH]) - { - if (option[LENTABLE] && option[DUP]) - output_keylength_table (); - if (option[POINTER] && option[TYPE]) - output_keyword_table (); - } - else - { - if (option[LENTABLE]) - output_keylength_table (); - output_keyword_table (); - output_lookup_array (); - } - - if (option[GNU]) /* Use the inline keyword to remove function overhead. */ - printf ("#ifdef __GNUC__\ninline\n#endif\n"); - - printf ("%s%s\n", option[CONST] ? "const " : "", return_type); - if (option[CPLUSPLUS]) - printf ("%s::", option.get_class_name ()); - - printf (option[ANSI] - ? "%s (register const char *str, register int len)\n{\n" - : "%s (str, len)\n register char *str;\n register unsigned int len;\n{\n", - option.get_function_name ()); - - if (option[ENUM] && !option[GLOBAL]) - printf (" enum\n {\n" - " TOTAL_KEYWORDS = %d,\n" - " MIN_WORD_LENGTH = %d,\n" - " MAX_WORD_LENGTH = %d,\n" - " MIN_HASH_VALUE = %d,\n" - " MAX_HASH_VALUE = %d,\n" - " HASH_VALUE_RANGE = %d,\n" - " DUPLICATES = %d\n };\n\n", - total_keys, min_key_len, max_key_len, min_hash_value, - max_hash_value, max_hash_value - min_hash_value + 1, - total_duplicates ? total_duplicates + 1 : 0); - /* Use the switch in place of lookup table. */ - if (option[SWITCH]) - { - if (!option[GLOBAL]) - { - if (option[LENTABLE] && option[DUP]) - output_keylength_table (); - if (option[POINTER] && option[TYPE]) - output_keyword_table (); - } - output_switch (); - } - /* Use the lookup table, in place of switch. */ - else - { - if (!option[GLOBAL]) - { - if (option[LENTABLE]) - output_keylength_table (); - output_keyword_table (); - } - if (!option[GLOBAL]) - output_lookup_array (); - output_lookup_function (); - } - - if (additional_code) - { - for (;;) - { - int c = getchar (); - - if (c == EOF) - break; - else - putchar (c); - } - } - - fflush (stdout); -} - -/* Sorts the keys by hash value. */ - -void -Key_List::sort (void) -{ - hash_sort = 1; - occurrence_sort = 0; - - head = merge_sort (head); -} - -/* Dumps the key list to stderr stream. */ - -void -Key_List::dump () -{ - int field_width = option.get_max_keysig_size (); - - fprintf (stderr, "\nList contents are:\n(hash value, key length, index, %*s, keyword):\n", - field_width, "char_set"); - - for (List_Node *ptr = head; ptr; ptr = ptr->next) - fprintf (stderr, "%11d,%11d,%6d, %*s, %s\n", - ptr->hash_value, ptr->length, ptr->index, - field_width, ptr->char_set, ptr->key); -} - -/* Simple-minded constructor action here... */ - -Key_List::Key_List (void) -{ - total_keys = 1; - max_key_len = INT_MIN; - min_key_len = INT_MAX; - return_type = default_return_type; - array_type = struct_tag = default_array_type; - head = 0; - total_duplicates = 0; - additional_code = 0; -} - -/* Returns the length of entire key list. */ - -int -Key_List::keyword_list_length (void) -{ - return list_len; -} - -/* Returns length of longest key read. */ - -int -Key_List::max_key_length (void) -{ - return max_key_len; -} - diff --git a/apps/gperf/src/Key_List.h b/apps/gperf/src/Key_List.h deleted file mode 100644 index bad5e0a2ffa..00000000000 --- a/apps/gperf/src/Key_List.h +++ /dev/null @@ -1,116 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -/* This may look like C code, but it is really -*- C++ -*- */ - -/* Data and function member declarations for the keyword list class. - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -// The key word list is a useful abstraction that keeps track of -// various pieces of information that enable that fast generation of -// the Gen_Perf.hash function. A Key_List is a singly-linked list of -// List_Nodes. - -#ifndef key_list_h -#define key_list_h 1 - -#include "Options.h" -#include "List_Node.h" - -class Key_List -{ -public: - Key_List (void); - ~Key_List (void); - int keyword_list_length (void); - int max_key_length (void); - void reorder (void); - void sort (void); - void read_keys (void); - void output (void); - - List_Node *head; - // Points to the head of the linked list. - - int total_duplicates; - // Total number of duplicate hash values. - -private: - static int get_occurrence (List_Node *ptr); - static int strcspn (const char *s, const char *reject); - static int already_determined (List_Node *ptr); - static void set_determined (List_Node *ptr); - void output_min_max (void); - void output_switch (void); - void output_keyword_table (void); - void output_keylength_table (void); - void output_hash_function (void); - void output_lookup_function (void); - void output_lookup_array (void); - void output_strcasecmp (void); - void set_output_types (void); - void dump (void); - char *get_array_type (void); - char *save_include_src (void); - char *get_special_input (char delimiter); - List_Node *merge (List_Node *list1, List_Node *list2); - List_Node *merge_sort (List_Node *head); - - char *array_type; - // Pointer to the type for word list. - - char *return_type; - // Pointer to return type for lookup function. - - char *struct_tag; - // Shorthand for user-defined struct tag type. - - char *include_src; - // C source code to be included verbatim. - - int max_key_len; - // Maximum length of the longest keyword. - - int min_key_len; - // Minimum length of the shortest keyword. - - int min_hash_value; - // Minimum hash value for all keywords. - - int max_hash_value; - // Maximum hash value for all keywords. - - int occurrence_sort; - // True if sorting by occurrence. - - int hash_sort; - // True if sorting by hash value. - - int additional_code; - // True if any additional C code is included. - - int list_len; - // Length of head's Key_List, not counting duplicates. - - int total_keys; - // Total number of keys, counting duplicates. -}; -#endif diff --git a/apps/gperf/src/List_Node.cpp b/apps/gperf/src/List_Node.cpp deleted file mode 100644 index 59643b97b17..00000000000 --- a/apps/gperf/src/List_Node.cpp +++ /dev/null @@ -1,110 +0,0 @@ -/* Creates and initializes a new list node. -// $Id$ - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#include "Vectors.h" -#include "List_Node.h" - -/* Defined as a macro in string.h on some systems, which causes - conflicts. */ -#undef index - -/* Sorts the key set alphabetically to speed up subsequent operations. - Uses insertion sort since the set is probably quite small. */ - -inline void -List_Node::set_sort (char *base, int len) -{ - int i, j; - - for (i = 0, j = len - 1; i < j; i++) - { - char curr, tmp; - - for (curr = i + 1, tmp = base[curr]; curr > 0 && tmp < base[curr-1]; curr--) - base[curr] = base[curr - 1]; - - base[curr] = tmp; - - } -} - -/* Initializes a List_Node. This requires obtaining memory for the - CHAR_SET initializing them using the information stored in the - KEY_POSITIONS array in Options, and checking for simple errors. - It's important to note that KEY and REST are both pointers to the - different offsets into the same block of dynamic memory pointed to - by parameter K. The data member REST is used to store any - additional fields of the input file (it is set to the "" string if - Option[TYPE] is not enabled). This is useful if the user wishes to - incorporate a lookup structure, rather than just an array of keys. - Finally, KEY_NUMBER contains a count of the total number of keys - seen so far. This is used to initialize the INDEX field to some - useful value. */ - -List_Node::List_Node (char *k, int len) - : key (k), - next (0), - index (0), - length (len), - link (0), - rest (option[TYPE] ? k + len + 1 : "") -{ - char *ptr = new char[(option[ALLCHARS] ? len : option.get_max_keysig_size ()) + 1]; - char_set = ptr; - k[len] = '\0'; /* Null terminate KEY to separate it from REST. */ - - /* Lower case if STRCASECMP option is enabled. */ - if (option[STRCASECMP]) - for (char *p = k; *p; p++) - if (isupper (*p)) - *p = tolower (*p); - - if (option[ALLCHARS]) /* Use all the character position in the KEY. */ - for (; *k; k++, ptr++) - ++Vectors::occurrences[*ptr = *k]; - else /* Only use those character positions specified by the user. */ - { - int i; - - /* Iterate thru the list of key_positions, initializing occurrences table - and char_set (via char * pointer ptr). */ - - for (option.reset (); (i = option.get ()) != EOS; ) - { - if (i == WORD_END) /* Special notation for last KEY position, i.e. '$'. */ - *ptr = key[len - 1]; - else if (i <= len) /* Within range of KEY length, so we'll keep it. */ - *ptr = key[i - 1]; - else /* Out of range of KEY length, so we'll just skip it. */ - continue; - ++Vectors::occurrences[*ptr++]; - } - - /* Didn't get any hits and user doesn't want to consider the - keylength, so there are essentially no usable hash positions! */ - if (ptr == char_set && option[NOLENGTH]) - ACE_ERROR ((LM_ERROR, "Can't hash keyword %s with chosen key positions.\n%a", key, 1)); - } - *ptr = '\0'; /* Terminate this bastard.... */ - /* Sort the KEY_SET items alphabetically. */ - set_sort (char_set, ptr - char_set); -} diff --git a/apps/gperf/src/List_Node.h b/apps/gperf/src/List_Node.h deleted file mode 100644 index 6b3e86ce694..00000000000 --- a/apps/gperf/src/List_Node.h +++ /dev/null @@ -1,65 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -/* This may look like C code, but it is really -*- C++ -*- */ - -/* Data and function members for defining values and operations of a list node. - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#ifndef list_node_h -#define list_node_h 1 - -#include "Options.h" - -struct List_Node -{ - List_Node (char *key, int len); - static void set_sort (char *base, int len); - - List_Node *link; - // TRUE if key has an identical KEY_SET as another key. - - List_Node *next; - // Points to next element on the list. - - char *key; - // Each keyword string stored here. - - char *rest; - // Additional information for building hash function. - - char *char_set; - // Set of characters to hash, specified by user. - - int length; - // Length of the key. - - int hash_value; - // Hash value for the key. - - int occurrence; - // A metric for frequency of key set occurrences. - - int index; - // Position of this node relative to other nodes. -}; - -#endif diff --git a/apps/gperf/src/Makefile b/apps/gperf/src/Makefile deleted file mode 100644 index ca6221f7156..00000000000 --- a/apps/gperf/src/Makefile +++ /dev/null @@ -1,155 +0,0 @@ -#---------------------------------------------------------------------------- -# @(#)Makefile 1.1 10/18/96 -# -# Makefile for GPERF release -#---------------------------------------------------------------------------- - -BIN = gperf -LIB = libGperf.a - -FILES = new \ - Options \ - Iterator \ - Gen_Perf \ - Key_List \ - List_Node \ - Hash_Table \ - Bool_Array \ - Vectors \ - Version - -LSRC = $(addsuffix .cpp,$(FILES)) -LOBJ = $(addsuffix .o,$(FILES)) - -LDLIBS = -lGperf - -VLDLIBS = $(LDLIBS:%=%$(VAR)) - -BUILD = $(VLIB) $(VBIN) - -#---------------------------------------------------------------------------- -# Include macros and targets -#---------------------------------------------------------------------------- - -include $(WRAPPER_ROOT)/include/makeinclude/wrapper_macros.GNU -include $(WRAPPER_ROOT)/include/makeinclude/macros.GNU -include $(WRAPPER_ROOT)/include/makeinclude/rules.common.GNU -include $(WRAPPER_ROOT)/include/makeinclude/rules.nonested.GNU -include $(WRAPPER_ROOT)/include/makeinclude/rules.lib.GNU -include $(WRAPPER_ROOT)/include/makeinclude/rules.bin.GNU -include $(WRAPPER_ROOT)/include/makeinclude/rules.local.GNU - -# DO NOT DELETE THIS LINE -- g++dep uses it. -# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY. - -.obj/new.o .shobj/new.so: new.cpp Options.h \ - $(WRAPPER_ROOT)/ace/Log_Msg.h \ - $(WRAPPER_ROOT)/ace/Log_Record.h \ - $(WRAPPER_ROOT)/ace/ACE.h \ - $(WRAPPER_ROOT)/ace/OS.h \ - $(WRAPPER_ROOT)/ace/Time_Value.h \ - $(WRAPPER_ROOT)/ace/config.h \ - $(WRAPPER_ROOT)/ace/Trace.h \ - $(WRAPPER_ROOT)/ace/ACE.i \ - $(WRAPPER_ROOT)/ace/Log_Priority.h \ - $(WRAPPER_ROOT)/ace/Log_Record.i -.obj/Options.o .shobj/Options.so: Options.cpp \ - $(WRAPPER_ROOT)/ace/Get_Opt.h \ - $(WRAPPER_ROOT)/ace/ACE.h \ - $(WRAPPER_ROOT)/ace/OS.h \ - $(WRAPPER_ROOT)/ace/Time_Value.h \ - $(WRAPPER_ROOT)/ace/config.h \ - $(WRAPPER_ROOT)/ace/Trace.h \ - $(WRAPPER_ROOT)/ace/ACE.i \ - $(WRAPPER_ROOT)/ace/Log_Msg.h \ - $(WRAPPER_ROOT)/ace/Log_Record.h \ - $(WRAPPER_ROOT)/ace/Log_Priority.h \ - $(WRAPPER_ROOT)/ace/Log_Record.i \ - Options.h Iterator.h -.obj/Iterator.o .shobj/Iterator.so: Iterator.cpp Iterator.h Options.h \ - $(WRAPPER_ROOT)/ace/Log_Msg.h \ - $(WRAPPER_ROOT)/ace/Log_Record.h \ - $(WRAPPER_ROOT)/ace/ACE.h \ - $(WRAPPER_ROOT)/ace/OS.h \ - $(WRAPPER_ROOT)/ace/Time_Value.h \ - $(WRAPPER_ROOT)/ace/config.h \ - $(WRAPPER_ROOT)/ace/Trace.h \ - $(WRAPPER_ROOT)/ace/ACE.i \ - $(WRAPPER_ROOT)/ace/Log_Priority.h \ - $(WRAPPER_ROOT)/ace/Log_Record.i -.obj/Gen_Perf.o .shobj/Gen_Perf.so: Gen_Perf.cpp Gen_Perf.h Options.h \ - $(WRAPPER_ROOT)/ace/Log_Msg.h \ - $(WRAPPER_ROOT)/ace/Log_Record.h \ - $(WRAPPER_ROOT)/ace/ACE.h \ - $(WRAPPER_ROOT)/ace/OS.h \ - $(WRAPPER_ROOT)/ace/Time_Value.h \ - $(WRAPPER_ROOT)/ace/config.h \ - $(WRAPPER_ROOT)/ace/Trace.h \ - $(WRAPPER_ROOT)/ace/ACE.i \ - $(WRAPPER_ROOT)/ace/Log_Priority.h \ - $(WRAPPER_ROOT)/ace/Log_Record.i \ - Key_List.h List_Node.h Bool_Array.h -.obj/Key_List.o .shobj/Key_List.so: Key_List.cpp \ - $(WRAPPER_ROOT)/ace/Read_Buffer.h \ - $(WRAPPER_ROOT)/ace/ACE.h \ - $(WRAPPER_ROOT)/ace/OS.h \ - $(WRAPPER_ROOT)/ace/Time_Value.h \ - $(WRAPPER_ROOT)/ace/config.h \ - $(WRAPPER_ROOT)/ace/Trace.h \ - $(WRAPPER_ROOT)/ace/ACE.i \ - $(WRAPPER_ROOT)/ace/Log_Msg.h \ - $(WRAPPER_ROOT)/ace/Log_Record.h \ - $(WRAPPER_ROOT)/ace/Log_Priority.h \ - $(WRAPPER_ROOT)/ace/Log_Record.i \ - $(WRAPPER_ROOT)/ace/Malloc.h \ - $(WRAPPER_ROOT)/ace/Malloc_T.h \ - $(WRAPPER_ROOT)/ace/Synch.h \ - $(WRAPPER_ROOT)/ace/Synch_T.h \ - $(WRAPPER_ROOT)/ace/Memory_Pool.h \ - $(WRAPPER_ROOT)/ace/Event_Handler.h \ - $(WRAPPER_ROOT)/ace/Signal.h \ - $(WRAPPER_ROOT)/ace/Set.h \ - $(WRAPPER_ROOT)/ace/Mem_Map.h \ - $(WRAPPER_ROOT)/ace/SV_Semaphore_Complex.h \ - $(WRAPPER_ROOT)/ace/SV_Semaphore_Simple.h \ - $(WRAPPER_ROOT)/ace/SV_Semaphore_Simple.i \ - $(WRAPPER_ROOT)/ace/SV_Semaphore_Complex.i \ - $(WRAPPER_ROOT)/ace/Read_Buffer.i \ - Hash_Table.h Options.h List_Node.h Vectors.h Key_List.h -.obj/List_Node.o .shobj/List_Node.so: List_Node.cpp Vectors.h List_Node.h Options.h \ - $(WRAPPER_ROOT)/ace/Log_Msg.h \ - $(WRAPPER_ROOT)/ace/Log_Record.h \ - $(WRAPPER_ROOT)/ace/ACE.h \ - $(WRAPPER_ROOT)/ace/OS.h \ - $(WRAPPER_ROOT)/ace/Time_Value.h \ - $(WRAPPER_ROOT)/ace/config.h \ - $(WRAPPER_ROOT)/ace/Trace.h \ - $(WRAPPER_ROOT)/ace/ACE.i \ - $(WRAPPER_ROOT)/ace/Log_Priority.h \ - $(WRAPPER_ROOT)/ace/Log_Record.i -.obj/Hash_Table.o .shobj/Hash_Table.so: Hash_Table.cpp \ - $(WRAPPER_ROOT)/ace/ACE.h \ - $(WRAPPER_ROOT)/ace/OS.h \ - $(WRAPPER_ROOT)/ace/Time_Value.h \ - $(WRAPPER_ROOT)/ace/config.h \ - $(WRAPPER_ROOT)/ace/Trace.h \ - $(WRAPPER_ROOT)/ace/ACE.i \ - $(WRAPPER_ROOT)/ace/Log_Msg.h \ - $(WRAPPER_ROOT)/ace/Log_Record.h \ - $(WRAPPER_ROOT)/ace/Log_Priority.h \ - $(WRAPPER_ROOT)/ace/Log_Record.i \ - Hash_Table.h Options.h List_Node.h -.obj/Bool_Array.o .shobj/Bool_Array.so: Bool_Array.cpp Bool_Array.h Options.h \ - $(WRAPPER_ROOT)/ace/Log_Msg.h \ - $(WRAPPER_ROOT)/ace/Log_Record.h \ - $(WRAPPER_ROOT)/ace/ACE.h \ - $(WRAPPER_ROOT)/ace/OS.h \ - $(WRAPPER_ROOT)/ace/Time_Value.h \ - $(WRAPPER_ROOT)/ace/config.h \ - $(WRAPPER_ROOT)/ace/Trace.h \ - $(WRAPPER_ROOT)/ace/ACE.i \ - $(WRAPPER_ROOT)/ace/Log_Priority.h \ - $(WRAPPER_ROOT)/ace/Log_Record.i -.obj/Version.o .shobj/Version.so: Version.cpp - -# IF YOU PUT ANYTHING HERE IT WILL GO AWAY diff --git a/apps/gperf/src/Options.cpp b/apps/gperf/src/Options.cpp deleted file mode 100644 index 1aa819503e7..00000000000 --- a/apps/gperf/src/Options.cpp +++ /dev/null @@ -1,616 +0,0 @@ -/* Handles parsing the Options provided to the user. -// $Id$ - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#include "ace/Get_Opt.h" -#include "Options.h" -#include "Iterator.h" - -/* Global option coordinator for the entire program. */ -Options option; - -/* Current program version. */ -extern char *version_string; - -/* Size to jump on a collision. */ -static const int DEFAULT_JUMP_VALUE = 5; - -/* Default name for generated lookup function. */ -static const char *const DEFAULT_NAME = "in_word_set"; - -/* Default name for the key component. */ -static const char *const DEFAULT_KEY = "name"; - -/* Default name for the generated class. */ -static const char *const DEFAULT_CLASS_NAME = "Perfect_Hash"; - -/* Default name for generated hash function. */ -static const char *const DEFAULT_HASH_NAME = "hash"; - -/* Default delimiters that separate keywords from their attributes. */ -static const char *const DEFAULT_DELIMITERS = ",\n"; - -int Options::option_word; -int Options::total_switches; -int Options::total_keysig_size; -int Options::size; -int Options::key_pos; -int Options::jump; -int Options::initial_asso_value; -int Options::argument_count; -int Options::iterations; -char **Options::argument_vector; -const char *Options::function_name; -const char *Options::key_name; -const char *Options::class_name; -const char *Options::hash_name; -const char *Options::delimiters; -char Options::key_positions[MAX_KEY_POS]; - -/* Prints program usage to standard error stream. */ - -inline void -Options::usage (void) -{ - ACE_ERROR ((LM_ERROR, "Usage: %n [-acCdDef[num]gGhH<hashname>i<init>Ijk<keys>K<keyname>lL<language>nN<function name>oOprs<size>S<switches>tTvZ<class name>].\n" - "(type %n -h for help)\n")); -} - -/* Output command-line Options. */ - -void -Options::print_options (void) -{ - int i; - - printf ("/* Command-line: "); - - for (i = 0; i < argument_count; i++) - printf ("%s ", argument_vector[i]); - - printf (" */"); -} - -/* Sorts the key positions *IN REVERSE ORDER!!* - This makes further routines more efficient. Especially when generating code. - Uses a simple Insertion Sort since the set is probably ordered. - Returns 1 if there are no duplicates, 0 otherwise. */ - -inline int -Options::key_sort (char *base, int len) -{ - int i, j; - - for (i = 0, j = len - 1; i < j; i++) - { - int curr, tmp; - - for (curr = i + 1,tmp = base[curr]; curr > 0 && tmp >= base[curr - 1]; curr--) - if ((base[curr] = base[curr - 1]) == tmp) /* oh no, a duplicate!!! */ - return 0; - - base[curr] = tmp; - } - - return 1; -} - -/* Sets the default Options. */ - -Options::Options (void) -{ - key_positions[0] = WORD_START; - key_positions[1] = WORD_END; - key_positions[2] = EOS; - total_keysig_size = 2; - delimiters = DEFAULT_DELIMITERS; - jump = DEFAULT_JUMP_VALUE; - option_word = DEFAULTCHARS | C; - function_name = DEFAULT_NAME; - key_name = DEFAULT_KEY; - hash_name = DEFAULT_HASH_NAME; - class_name = DEFAULT_CLASS_NAME; - total_switches = size = 1; - initial_asso_value = iterations = 0; -} - -/* Dumps option status when debug is set. */ - -Options::~Options (void) -{ - if (option_word & DEBUG) - { - char *ptr; - - fprintf (stderr, "\ndumping Options:\nDEBUG is.......: %s\nORDER is.......: %s" - "\nANSI is........: %s\nTYPE is........: %s\nGNU is.........: %s" - "\nRANDOM is......: %s\nDEFAULTCHARS is: %s\nSWITCH is......: %s" - "\nPOINTER is.....: %s\nNOLENGTH is....: %s\nLENTABLE is....: %s" - "\nDUP is.........: %s\nFAST is........: %s\nCOMP is.....: %s" - "\nNOTYPE is......: %s\nGLOBAL is......: %s\nCONST is....: %s" - "\nCPLUSPLUS is...: %s\nC is...........: %s\nENUM is.....: %s" - "\nSTRCASECMP is...: %s\nOPTIMIZE is...........: %s" - "\niterations = %d\nlookup function name = %s\nhash function name = %s" - "\nkey name = %s\njump value = %d\nmax associcated value = %d" - "\ninitial associated value = %d\ndelimiters = %s\nnumber of switch statements = %d\n", - option_word & DEBUG ? "enabled" : "disabled", - option_word & ORDER ? "enabled" : "disabled", - option_word & ANSI ? "enabled" : "disabled", - option_word & TYPE ? "enabled" : "disabled", - option_word & GNU ? "enabled" : "disabled", - option_word & RANDOM ? "enabled" : "disabled", - option_word & DEFAULTCHARS ? "enabled" : "disabled", - option_word & SWITCH ? "enabled" : "disabled", - option_word & POINTER ? "enabled" : "disabled", - option_word & NOLENGTH ? "enabled" : "disabled", - option_word & LENTABLE ? "enabled" : "disabled", - option_word & DUP ? "enabled" : "disabled", - option_word & FAST ? "enabled" : "disabled", - option_word & COMP ? "enabled" : "disabled", - option_word & NOTYPE ? "enabled" : "disabled", - option_word & GLOBAL ? "enabled" : "disabled", - option_word & CONST ? "enabled" : "disabled", - option_word & CPLUSPLUS ? "enabled" : "disabled", - option_word & C ? "enabled" : "disabled", - option_word & ENUM ? "enabled" : "disabled", - option_word & STRCASECMP ? "enabled" : "disabled", - option_word & OPTIMIZE ? "enabled" : "disabled", - iterations, function_name, hash_name, key_name, jump, size - 1, - initial_asso_value, delimiters, total_switches); - if (option_word & ALLCHARS) - fprintf (stderr, "all characters are used in the hash function\n"); - - fprintf (stderr, "maximum keysig size = %d\nkey positions are: \n", - total_keysig_size); - - for (ptr = key_positions; *ptr != EOS; ptr++) - if (*ptr == WORD_END) - fprintf (stderr, "$\n"); - else - fprintf (stderr, "%d\n", *ptr); - - fprintf (stderr, "finished dumping Options\n"); - } -} - - -/* Parses the command line Options and sets appropriate flags in option_word. */ - -void -Options::operator() (int argc, char *argv[]) -{ - ACE_LOG_MSG->open (argv[0]); - - ACE_Get_Opt getopt (argc, argv, "adcCDe:Ef:gGhH:i:Ij:k:K:lL:nN:oOprs:S:tTvZ:"); - int option_char; - - argument_count = argc; - argument_vector = argv; - - while ((option_char = getopt ()) != -1) - { - switch (option_char) - { - case 'a': /* Generated coded uses the ANSI prototype format. */ - { - option_word |= ANSI; - break; - } - case 'c': /* Generate strncmp rather than strcmp. */ - { - option_word |= COMP; - break; - } - case 'C': /* Make the generated tables readonly (const). */ - { - option_word |= CONST; - break; - } - case 'd': /* Enable debugging option. */ - { - option_word |= DEBUG; - ACE_ERROR ((LM_ERROR, "Starting program %n, version %s, with debuggin on.\n", - version_string)); - break; - } - case 'D': /* Enable duplicate option. */ - { - option_word |= DUP; - break; - } - case 'e': /* Allows user to provide keyword/attribute separator */ - { - option.delimiters = getopt.optarg; - break; - } - case 'E': - { - option_word |= ENUM; - break; - } - case 'f': /* Generate the hash table ``fast.'' */ - { - option_word |= FAST; - if ((iterations = atoi (getopt.optarg)) < 0) - { - ACE_ERROR ((LM_ERROR, "iterations value must not be negative, assuming 0\n")); - iterations = 0; - } - break; - } - case 'g': /* Use the ``inline'' keyword for generated sub-routines. */ - { - option_word |= GNU; - break; - } - case 'G': /* Make the keyword table a global variable. */ - { - option_word |= GLOBAL; - break; - } - case 'h': /* Displays a list of helpful Options to the user. */ - { - ACE_ERROR ((LM_ERROR, - "-a\tGenerate ANSI standard C output code, i.e., function prototypes.\n" - "-c\tGenerate comparison code using strncmp rather than strcmp.\n" - "-C\tMake the contents of generated lookup tables constant, i.e., readonly.\n" - "-d\tEnables the debugging option (produces verbose output to the standard error).\n" - "-D\tHandle keywords that hash to duplicate values. This is useful\n" - "\tfor certain highly redundant keyword sets. It enables the -S option.\n" - "-e\tAllow user to provide a string containing delimiters used to separate\n" - "\tkeywords from their attributes. Default is \",\\n\"\n" - "-E\tDefine constant values using an enum local to the lookup function\n" - "\trather than with defines\n" - "-f\tGenerate the gen-perf.hash function ``fast.'' This decreases GPERF's\n" - "\trunning time at the cost of minimizing generated table-size.\n" - "\tThe numeric argument represents the number of times to iterate when\n" - "\tresolving a collision. `0' means ``iterate by the number of keywords.''\n" - "-g\tAssume a GNU compiler, e.g., g++ or gcc. This makes all generated\n" - "\troutines use the ``inline'' keyword to remove cost of function calls.\n" - "-G\tGenerate the static table of keywords as a static global variable,\n" - "\trather than hiding it inside of the lookup function (which is the\n" - "\tdefault behavior).\n" - "-h\tPrints this mesage.\n" - "-H\tAllow user to specify name of generated hash function. Default\n" - "\tis `hash'.\n" - "-i\tProvide an initial value for the associate values array. Default is 0.\n" - "-I\tGenerate comparison code using case insensitive string comparison, e.g.,\n" - "\tstrncasecmp or strcasecmp.\n" - "\tSetting this value larger helps inflate the size of the final table.\n" - "-j\tAffects the ``jump value,'' i.e., how far to advance the associated\n" - "\tcharacter value upon collisions. Must be an odd number, default is %d.\n" - "-k\tAllows selection of the key positions used in the hash function.\n" - "\tThe allowable choices range between 1-%d, inclusive. The positions\n" - "\tare separated by commas, ranges may be used, and key positions may\n" - "\toccur in any order. Also, the meta-character '*' causes the generated\n" - "\thash function to consider ALL key positions, and $ indicates the\n" - "\t``final character'' of a key, e.g., $,1,2,4,6-10.\n" - "-K\tAllow use to select name of the keyword component in the keyword structure.\n" - "-l\tCompare key lengths before trying a string comparison. This helps\n" - "\tcut down on the number of string comparisons made during the lookup.\n" - "-L\tGenerates code in the language specified by the option's argument. Languages\n" - "\thandled are currently C++ and C. The default is C.\n" - "-n\tDo not include the length of the keyword when computing the hash function\n" - "-N\tAllow user to specify name of generated lookup function. Default\n" - "\tname is `in_word_set.'\n" - "-o\tReorders input keys by frequency of occurrence of the key sets.\n" - "\tThis should decrease the search time dramatically.\n" - "-O\tOptimize the generated lookup function by assuming that all input keywords \n" - "\tare members of the keyset from the keyfile.\n" - "-p\tChanges the return value of the generated function ``in_word_set''\n" - "\tfrom its default boolean value (i.e., 0 or 1), to type ``pointer\n" - "\tto wordlist array'' This is most useful when the -t option, allowing\n" - "\tuser-defined structs, is used.\n" - "-r\tUtilizes randomness to initialize the associated values table.\n" - "-s\tAffects the size of the generated hash table. The numeric argument\n" - "\tfor this option indicates ``how many times larger or smaller'' the associated\n" - "\tvalue range should be, in relationship to the number of keys, e.g. a value of 3\n" - "\tmeans ``allow the maximum associated value to be about 3 times larger than the\n" - "\tnumber of input keys.'' Conversely, a value of -3 means ``make the maximum\n" - "\tassociated value about 3 times smaller than the number of input keys.\n" - "\tA larger table should decrease the time required for an unsuccessful search,\n" - "\tat the expense of extra table space. Default value is 1.\n" - "-S\tCauses the generated C code to use a switch statement scheme, rather\n" - "\tthan an array lookup table. This can lead to a reduction in both\n" - "\ttime and space requirements for some keyfiles. The argument to\n" - "\tthis option determines how many switch statements are generated.\n" - "\tA value of 1 generates 1 switch containing all the elements, a value of 2\n" - "\tgenerates 2 tables with 1/2 the elements in each table, etc. This\n" - "\tis useful since many C compilers cannot correctly generate code for\n" - "\tlarge switch statements.\n" - "-t\tAllows the user to include a structured type declaration for \n" - "\tgenerated code. Any text before %%%% is consider part of the type\n" - "\tdeclaration. Key words and additional fields may follow this, one\n" - "\tgroup of fields per line.\n" - "-T\tPrevents the transfer of the type declaration to the output file.\n" - "\tUse this option if the type is already defined elsewhere.\n" - "-v\tPrints out the current version number\n" - "-Z\tAllow user to specify name of generated C++ class. Default\n" - "\tname is `Perfect_Hash.'\n%e%a", DEFAULT_JUMP_VALUE, (MAX_KEY_POS - 1), usage, 1)); - } - case 'H': /* Sets the name for the hash function */ - { - hash_name = getopt.optarg; - break; - } - case 'i': /* Sets the initial value for the associated values array. */ - { - if ((initial_asso_value = atoi (getopt.optarg)) < 0) - ACE_ERROR ((LM_ERROR, "Initial value %d should be non-zero, ignoring and continuing.\n", initial_asso_value)); - if (option[RANDOM]) - ACE_ERROR ((LM_ERROR, "warning, -r option superceeds -i, ignoring -i option and continuing\n")); - break; - } - case 'I': - { - option_word |= STRCASECMP; - break; - } - case 'j': /* Sets the jump value, must be odd for later algorithms. */ - { - if ((jump = atoi (getopt.optarg)) < 0) - ACE_ERROR ((LM_ERROR, "Jump value %d must be a positive number.\n%e%a", jump, usage, 1)); - else if (jump && ACE_EVEN (jump)) - ACE_ERROR ((LM_ERROR, "Jump value %d should be odd, adding 1 and continuing...\n", jump++)); - break; - } - case 'k': /* Sets key positions used for hash function. */ - { - const int BAD_VALUE = -1; - int value; - Iterator expand (getopt.optarg, 1, MAX_KEY_POS - 1, WORD_END, BAD_VALUE, EOS); - - if (*getopt.optarg == '*') /* Use all the characters for hashing!!!! */ - option_word = (option_word & ~DEFAULTCHARS) | ALLCHARS; - else - { - char *l_key_pos; - - for (l_key_pos = key_positions; (value = expand ()) != EOS; l_key_pos++) - if (value == BAD_VALUE) - ACE_ERROR ((LM_ERROR, "Illegal key value or range, use 1,2,3-%d,'$' or '*'.\n%e%a", - MAX_KEY_POS - 1, usage, 1)); - else - *l_key_pos = value;; - - *l_key_pos = EOS; - - if (! (total_keysig_size = (l_key_pos - key_positions))) - ACE_ERROR ((LM_ERROR, "No keys selected.\n%e%a", usage, 1)); - else if (! key_sort (key_positions, total_keysig_size)) - ACE_ERROR ((LM_ERROR, "Duplicate keys selected\n%e%a", usage, 1)); - - if (total_keysig_size != 2 - || (key_positions[0] != 1 || key_positions[1] != WORD_END)) - option_word &= ~DEFAULTCHARS; - } - break; - } - case 'K': /* Make this the keyname for the keyword component field. */ - { - key_name = getopt.optarg; - break; - } - case 'l': /* Create length table to avoid extra string compares. */ - { - option_word |= LENTABLE; - break; - } - case 'L': /* Deal with different generated languages. */ - { - option_word &= ~C; - if (!strcmp (getopt.optarg, "C++")) - option_word |= (CPLUSPLUS | ANSI); - else if (!strcmp (getopt.optarg, "C")) - option_word |= C; - else - { - ACE_ERROR ((LM_ERROR, "unsupported language option %s, defaulting to C\n", getopt.optarg)); - option_word |= C; - } - break; - } - case 'n': /* Don't include the length when computing hash function. */ - { - option_word |= NOLENGTH; - break; - } - case 'N': /* Make generated lookup function name be optarg */ - { - function_name = getopt.optarg; - break; - } - case 'o': /* Order input by frequency of key set occurrence. */ - { - option_word |= ORDER; - break; - } - case 'O': - { - option_word |= OPTIMIZE; - break; - } - case 'p': /* Generated lookup function now a pointer instead of int. */ - { - option_word |= POINTER; - break; - } - case 'r': /* Utilize randomness to initialize the associated values table. */ - { - option_word |= RANDOM; - if (option.initial_asso_value != 0) - ACE_ERROR ((LM_ERROR, "warning, -r option superceeds -i, disabling -i option and continuing\n")); - break; - } - case 's': /* Range of associated values, determines size of final table. */ - { - if (abs (size = atoi (getopt.optarg)) > 50) - ACE_ERROR ((LM_ERROR, "%d is excessive, did you really mean this?! (type %n -h for help)\n", size)); - break; - } - case 'S': /* Generate switch statement output, rather than lookup table. */ - { - option_word |= SWITCH; - if ((option.total_switches = atoi (getopt.optarg)) <= 0) - ACE_ERROR ((LM_ERROR, "number of switches %s must be a positive number\n%e%a", getopt.optarg, usage, 1)); - break; - } - case 't': /* Enable the TYPE mode, allowing arbitrary user structures. */ - { - option_word |= TYPE; - break; - } - case 'T': /* Don't print structure definition. */ - { - option_word |= NOTYPE; - break; - } - case 'v': /* Print out the version and quit. */ - ACE_ERROR ((LM_ERROR, "%n: version %s\n%e\n%a", version_string, usage, 1)); - case 'Z': /* Set the class name. */ - { - class_name = getopt.optarg; - break; - } - default: - ACE_ERROR ((LM_ERROR, "%e%a", usage, 1)); - } - - } - - if (argv[getopt.optind] && ! freopen (argv[getopt.optind], "r", stdin)) - ACE_ERROR ((LM_ERROR, "Cannot open keyword file %p\n%e%a", argv[getopt.optind], usage, 1)); - - if (++getopt.optind < argc) - ACE_ERROR ((LM_ERROR, "Extra trailing arguments to %n.\n%e%a", usage, 1)); -} - -int -Options::operator[] (Option_Type option) /* True if option enable, else false. */ -{ - return option_word & option; -} - -void -Options::operator = (enum Option_Type opt) /* Enables option OPT. */ -{ - option_word |= opt; -} - -void -Options::operator != (enum Option_Type opt) /* Disables option OPT. */ -{ - option_word &= ~opt; -} - -void -Options::reset (void) /* Initializes the key Iterator. */ -{ - key_pos = 0; -} - -int -Options::get (void) /* Returns current key_position and advanced index. */ -{ - return key_positions[key_pos++]; -} - -void -Options::set_asso_max (int r) /* Sets the size of the table size. */ -{ - size = r; -} - -int -Options::get_asso_max (void) /* Returns the size of the table size. */ -{ - return size; -} - -int -Options::get_max_keysig_size (void) /* Returns total distinct key positions. */ -{ - return total_keysig_size; -} - -void -Options::set_keysig_size (int a_size) /* Sets total distinct key positions. */ -{ - total_keysig_size = a_size; -} - -int -Options::get_jump (void) /* Returns the jump value. */ -{ - return jump; -} - -const char * -Options::get_function_name (void) /* Returns the generated function name. */ -{ - return function_name; -} - -const char * -Options::get_key_name (void) /* Returns the keyword key name. */ -{ - return key_name; -} - -const char * -Options::get_hash_name (void) /* Returns the hash function name. */ -{ - return hash_name; -} - -const char * -Options::get_class_name (void) /* Returns the generated class name. */ -{ - return class_name; -} - -int -Options::initial_value (void) /* Returns the initial associated character value. */ -{ - return initial_asso_value; -} - -int -Options::get_iterations (void) /* Returns the iterations value. */ -{ - return iterations; -} - -const char * -Options::get_delimiter () /* Returns the string used to delimit keywords from other attributes. */ -{ - return delimiters; -} - -int -Options::get_total_switches () /* Gets the total number of switch statements to generate. */ -{ - return total_switches; -} - - - - diff --git a/apps/gperf/src/Options.h b/apps/gperf/src/Options.h deleted file mode 100644 index 22579aac4d4..00000000000 --- a/apps/gperf/src/Options.h +++ /dev/null @@ -1,140 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -/* This may look like C code, but it is really -*- C++ -*- */ - -/* Handles parsing the Options provided to the user. - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -/* This module provides a uniform interface to the various options - available to a user of the gperf hash function generator. In - addition to the run-time options, found in the Option_Type below, - there is also the hash table Size and the Keys to be used in the - hashing. The overall design of this module was an experiment in - using C++ classes as a mechanism to enhance centralization of - option and and error handling, which tend to get out of hand in a C - program. */ - -#ifndef options_h -#define options_h 1 - -#include "ace/Log_Msg.h" - -/* Enumerate the potential debugging Options. */ - -enum Option_Type -{ - DEBUG = 01, /* Enable debugging (prints diagnostics to stderr). */ - ORDER = 02, /* Apply ordering heuristic to speed-up search time. */ - ANSI = 04, /* Generate ANSI prototypes. */ - ALLCHARS = 010, /* Use all characters in hash function. */ - GNU = 020, /* Assume GNU extensions (primarily function inline). */ - TYPE = 040, /* Handle user-defined type structured keyword input. */ - RANDOM = 0100, /* Randomly initialize the associated values table. */ - DEFAULTCHARS = 0200, /* Make default char positions be 1,$ (end of keyword). */ - SWITCH = 0400, /* Generate switch output to save space. */ - POINTER = 01000, /* Have in_word_set function return pointer, not boolean. */ - NOLENGTH = 02000, /* Don't include keyword length in hash computations. */ - LENTABLE = 04000, /* Generate a length table for string comparison. */ - DUP = 010000, /* Handle duplicate hash values for keywords. */ - FAST = 020000, /* Generate the hash function ``fast.'' */ - NOTYPE = 040000, /* Don't include user-defined type definition in output -- it's already defined elsewhere. */ - COMP = 0100000, /* Generate strncmp rather than strcmp. */ - GLOBAL = 0200000, /* Make the keyword table a global variable. */ - CONST = 0400000, /* Make the generated tables readonly (const). */ - CPLUSPLUS = 01000000, /* Generate C++ code. */ - C = 02000000, /* Generate C code. */ - ENUM = 04000000, /* Use enum for constants. */ - STRCASECMP = 010000000, /* Use the case insensitive comparison. */ - OPTIMIZE = 020000000, /* Assume all input keywords are in the keyset. */ - ADA = 040000000 /* Generate Ada code. */ -}; - -/* Define some useful constants (these don't really belong here, but I'm - not sure where else to put them!). These should be consts, but g++ - doesn't seem to do the right thing with them at the moment... ;-( */ - -enum -{ - MAX_KEY_POS = 128 - 1, /* Max size of each word's key set. */ - WORD_START = 1, /* Signals the start of a word. */ - WORD_END = 0, /* Signals the end of a word. */ - EOS = MAX_KEY_POS /* Signals end of the key list. */ -}; - -/* Class manager for gperf program Options. */ - -class Options -{ -public: - Options (void); - ~Options (void); - int operator[] (Option_Type option); - void operator() (int argc, char *argv[]); - void operator= (enum Option_Type); - void operator!= (enum Option_Type); - static void print_options (void); - static void set_asso_max (int r); - static int get_asso_max (void); - static void reset (void); - static int get (void); - static int get_iterations (void); - static int get_max_keysig_size (void); - static void set_keysig_size (int); - static int get_jump (void); - static int initial_value (void); - static int get_total_switches (void); - static const char *get_function_name (void); - static const char *get_key_name (void); - static const char *get_class_name (void); - static const char *get_hash_name (void); - static const char *get_delimiter (void); - -private: - static int option_word; /* Holds the user-specified Options. */ - static int total_switches; /* Number of switch statements to generate. */ - static int total_keysig_size; /* Total number of distinct key_positions. */ - static int size; /* Range of the hash table. */ - static int key_pos; /* Tracks current key position for Iterator. */ - static int jump; /* Jump length when trying alternative values. */ - static int initial_asso_value; /* Initial value for asso_values table. */ - static int argument_count; /* Records count of command-line arguments. */ - static int iterations; /* Amount to iterate when a collision occurs. */ - static char **argument_vector; /* Stores a pointer to command-line vector. */ - static const char *function_name; /* Names used for generated lookup function. */ - static const char *key_name; /* Name used for keyword key. */ - static const char *class_name; /* Name used for generated C++ class. */ - static const char *hash_name; /* Name used for generated hash function. */ - static const char *delimiters; /* Separates keywords from other attributes. */ - static char key_positions[MAX_KEY_POS]; /* Contains user-specified key choices. */ - static int key_sort (char *base, int len); /* Sorts key positions in REVERSE order. */ - static void usage (void); /* Prints proper program usage. */ -}; - -/* Global option coordinator for the entire program. */ -extern Options option; - -/* Set to 1 if your want to stack-allocate some large arrays. */ -#ifndef LARGE_STACK_ARRAYS -#define LARGE_STACK_ARRAYS 0 -#endif - -#endif diff --git a/apps/gperf/src/Vectors.cpp b/apps/gperf/src/Vectors.cpp deleted file mode 100644 index 218ebc9aa64..00000000000 --- a/apps/gperf/src/Vectors.cpp +++ /dev/null @@ -1,33 +0,0 @@ -/* This may look like C code, but it is really -*- C++ -*- */ -// $Id$ - - -/* Static class data members that are shared between several classes via - inheritance. - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#include "Vectors.h" - -// Counts occurrences of each key set character. -int Vectors::occurrences[ALPHA_SIZE]; - -// Value associated with each character. -int Vectors::asso_values[ALPHA_SIZE]; diff --git a/apps/gperf/src/Vectors.h b/apps/gperf/src/Vectors.h deleted file mode 100644 index c557c7afe56..00000000000 --- a/apps/gperf/src/Vectors.h +++ /dev/null @@ -1,44 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -#include <stdio.h> - -/* This may look like C code, but it is really -*- C++ -*- */ - -/* Static class data members that are shared between several classes via - inheritance. - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#ifndef vectors_h -#define vectors_h 1 - -static const int ALPHA_SIZE = 128; - -struct Vectors -{ - static int occurrences[ALPHA_SIZE]; - // Counts occurrences of each key set character. - - static int asso_values[ALPHA_SIZE]; - // Value associated with each character. -}; - -#endif diff --git a/apps/gperf/src/Version.cpp b/apps/gperf/src/Version.cpp deleted file mode 100644 index b26c55e4124..00000000000 --- a/apps/gperf/src/Version.cpp +++ /dev/null @@ -1,25 +0,0 @@ -/* Current program version number. -// $Id$ - - - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, -USA. */ - -char *version_string = "2.6 (GNU C++ version)"; diff --git a/apps/gperf/src/gperf.cpp b/apps/gperf/src/gperf.cpp deleted file mode 100644 index cb8577f950d..00000000000 --- a/apps/gperf/src/gperf.cpp +++ /dev/null @@ -1,66 +0,0 @@ -/* Driver program for the Gen_Perf hash function generator Copyright -// $Id$ - - (C) 1989 Free Software Foundation, Inc. written by Douglas - C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -// Simple driver program for the Gen_Perf.hash function generator. -// All the hard work is done in class Gen_Perf and its class methods. - -#include "Options.h" -#include "Gen_Perf.h" - -int -main (int argc, char *argv[]) -{ - - struct tm *tm; - time_t clock; - - time (&clock); - tm = localtime (&clock); - printf ("/* starting time is %d:%02d:%02d */\n", tm->tm_hour, tm->tm_min, tm->tm_sec); - -#if defined(RLIMIT_STACK) && LARGE_STACK_ARRAYS - /* Get rid of any avoidable limit on stack size. */ - { - struct rlimit rlim; - - /* Set the stack limit huge so that alloca does not fail. */ - getrlimit (RLIMIT_STACK, &rlim); - rlim.rlim_cur = rlim.rlim_max; - setrlimit (RLIMIT_STACK, &rlim); - } -#endif /* RLIMIT_STACK */ - - /* Sets the Options. */ - option (argc, argv); - - // Initializes the key word list. - Gen_Perf table; - - // Generates and prints the Gen_Perf hash table. Don't use exit - // here, it skips the destructors. - int status = table.generate (); - - time (&clock); - tm = localtime (&clock); - printf ("/* ending time is %d:%02d:%02d */\n", tm->tm_hour, tm->tm_min, tm->tm_sec); - return status; -} diff --git a/apps/gperf/src/new.cpp b/apps/gperf/src/new.cpp deleted file mode 100644 index 25cb527a98a..00000000000 --- a/apps/gperf/src/new.cpp +++ /dev/null @@ -1,75 +0,0 @@ -/* Defines a buffered memory allocation abstraction that reduces calls to -// $Id$ - - malloc. - Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. - -GNU GPERF is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - -#include "Options.h" - -/* Determine default alignment. If your C++ compiler does not like - this then try something like #define DEFAULT_ALIGNMENT 8. */ -struct fooalign {char x; double d;}; -const int ALIGNMENT = ((char *)&((struct fooalign *) 0)->d - (char *)0); - -/* Provide an abstraction that cuts down on the number of calls to NEW - by buffering the memory pool from which strings are allocated. */ - -void * -operator new (size_t size) -{ - static char *buf_start = 0; /* Large array used to reduce calls to NEW. */ - static char *buf_end = 0; /* Indicates end of BUF_START. */ - static int buf_size = 4 * BUFSIZ; /* Size of buffer pointed to by BUF_START. */ - char *temp; - - /* Align this on correct boundaries, just to be safe... */ - size = ((size + ALIGNMENT - 1) / ALIGNMENT) * ALIGNMENT; - - /* If we are about to overflow our buffer we'll just grab another - chunk of memory. Since we never free the original memory it - doesn't matter that no one points to the beginning of that - chunk. Note we use a heuristic that grows the buffer either by - size of the request or by twice the previous size, whichever is - larger. */ - - if (buf_start + size >= buf_end) - { - buf_size *= 2; - if (buf_size < size) - buf_size = size; - if (buf_start = (char *)malloc (buf_size)) - buf_end = buf_start + buf_size; - else - ACE_ERROR ((LM_ERROR, "Virtual memory failed at %s, %s in function %s\n%a", __FILE__, __LINE__, "operator new", 1)); - } - - temp = buf_start; - buf_start += size; - return temp; -} - -/* We need this deletion operator in order to make the linker happy. */ - -void -operator delete (void *ptr) -{ - // We cannot call free here, as it doesn't match the mallocs. - // free ((char *) ptr); -} diff --git a/apps/gperf/tests/Makefile.in b/apps/gperf/tests/Makefile.in deleted file mode 100644 index f702fc804f2..00000000000 --- a/apps/gperf/tests/Makefile.in +++ /dev/null @@ -1,72 +0,0 @@ -# Copyright (C) 1989, 1992, 1993 Free Software Foundation, Inc. -# written by Douglas C. Schmidt (schmidt@ics.uci.edu) -# -# This file is part of GNU GPERF. -# -# GNU GPERF is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 1, or (at your option) -# any later version. -# -# GNU GPERF is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU GPERF; see the file COPYING. If not, write to the Free -# Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, USA. - -srcdir = . - -#### package, host, target, and site dependent Makefile fragments come in here. -## - -GPERF = ../src/gperf - -check: - @echo "performing some tests of the perfect hash generator" - $(CC) -c $(CFLAGS) $(srcdir)/test.c - $(GPERF) -p -c -l -S1 -o $(srcdir)/c.gperf > cinset.c - $(CC) $(CFLAGS) -o cout cinset.c test.o - @echo "testing ANSI C reserved words, all items should be found in the set" - ./cout -v < $(srcdir)/c.gperf > c.out - -diff -b $(srcdir)/c.exp c.out - $(GPERF) -k1,4,'$$' $(srcdir)/ada.gperf > adainset.c -# double '$$' is only there since make gets confused; programn wants only 1 '$' - $(CC) $(CFLAGS) -o aout adainset.c test.o - @echo "testing Ada reserved words, all items should be found in the set" - ./aout -v < $(srcdir)/ada.gperf > ada-res.out - -diff -b $(srcdir)/ada-res.exp ada-res.out - $(GPERF) -p -D -k1,'$$' -s 2 -o $(srcdir)/adadefs.gperf > preinset.c - $(CC) $(CFLAGS) -o preout preinset.c test.o - @echo "testing Ada predefined words, all items should be found in the set" - ./preout -v < $(srcdir)/adadefs.gperf > ada-pred.out - -diff -b $(srcdir)/ada-pred.exp ada-pred.out - $(GPERF) -k1,2,'$$' -o $(srcdir)/modula3.gperf > m3inset.c - $(CC) $(CFLAGS) -o m3out m3inset.c test.o - @echo "testing Modula3 reserved words, all items should be found in the set" - ./m3out -v < $(srcdir)/modula3.gperf > modula.out - -diff -b $(srcdir)/modula.exp modula.out - $(GPERF) -o -S2 -p < $(srcdir)/pascal.gperf > pinset.c - $(CC) $(CFLAGS) -o pout pinset.c test.o - @echo "testing Pascal reserved words, all items should be found in the set" - ./pout -v < $(srcdir)/pascal.gperf > pascal.out - -diff -b $(srcdir)/pascal.exp pascal.out -# these next 5 are demos that show off the generated code - $(GPERF) -p -j1 -g -o -t -N is_reserved_word -k1,3,'$$' < $(srcdir)/c-parse.gperf > test-1.out - -diff -b $(srcdir)/test-1.exp test-1.out - $(GPERF) -n -k1-8 -l <$(srcdir)/modula2.gperf > test-2.out - -diff -b $(srcdir)/test-2.exp test-2.out - $(GPERF) -p -j 1 -o -a -C -g -t -k1,4,$$ < $(srcdir)/gplus.gperf > test-3.out - -diff -b $(srcdir)/test-3.exp test-3.out - $(GPERF) -D -p -t < $(srcdir)/c-parse.gperf > test-4.out - -diff -b $(srcdir)/test-4.exp test-4.out - $(GPERF) -g -o -j1 -t -p -N is_reserved_word < $(srcdir)/gpc.gperf > test-5.out - -diff -b $(srcdir)/test-5.exp test-5.out -# prints out the help message - -$(GPERF) -h > test-6.out 2>&1 || [ a = a ] - -diff -b $(srcdir)/test-6.exp test-6.out - @echo "only if, do, for, case, goto, else, while, and return should be found " - ./aout -v < $(srcdir)/c.gperf > test-7.out - -diff -b $(srcdir)/test-7.exp test-7.out diff --git a/apps/gperf/tests/ada-pred.exp b/apps/gperf/tests/ada-pred.exp deleted file mode 100644 index 33caaa32ea1..00000000000 --- a/apps/gperf/tests/ada-pred.exp +++ /dev/null @@ -1,54 +0,0 @@ -in word set boolean -in word set character -in word set constraint_error -in word set false -in word set float -in word set integer -in word set natural -in word set numeric_error -in word set positive -in word set program_error -in word set storage_error -in word set string -in word set tasking_error -in word set true -in word set address -in word set aft -in word set base -in word set callable -in word set constrained -in word set count -in word set delta -in word set digits -in word set emax -in word set epsilon -in word set first -in word set firstbit -in word set fore -in word set image -in word set large -in word set last -in word set lastbit -in word set length -in word set machine_emax -in word set machine_emin -in word set machine_mantissa -in word set machine_overflows -in word set machine_radix -in word set machine_rounds -in word set mantissa -in word set pos -in word set position -in word set pred -in word set range -in word set safe_emax -in word set safe_large -in word set safe_small -in word set size -in word set small -in word set storage_size -in word set succ -in word set terminated -in word set val -in word set value -in word set width diff --git a/apps/gperf/tests/ada-res.exp b/apps/gperf/tests/ada-res.exp deleted file mode 100644 index 8134fe861f5..00000000000 --- a/apps/gperf/tests/ada-res.exp +++ /dev/null @@ -1,63 +0,0 @@ -in word set else -in word set exit -in word set terminate -in word set type -in word set raise -in word set range -in word set reverse -in word set declare -in word set end -in word set record -in word set exception -in word set not -in word set then -in word set return -in word set separate -in word set select -in word set digits -in word set renames -in word set subtype -in word set elsif -in word set function -in word set for -in word set package -in word set procedure -in word set private -in word set while -in word set when -in word set new -in word set entry -in word set delay -in word set case -in word set constant -in word set at -in word set abort -in word set accept -in word set and -in word set delta -in word set access -in word set abs -in word set pragma -in word set array -in word set use -in word set out -in word set do -in word set others -in word set of -in word set or -in word set all -in word set limited -in word set loop -in word set null -in word set task -in word set in -in word set is -in word set if -in word set rem -in word set mod -in word set begin -in word set body -in word set xor -in word set goto -in word set generic -in word set with diff --git a/apps/gperf/tests/ada.gperf b/apps/gperf/tests/ada.gperf deleted file mode 100644 index 332bdc740ad..00000000000 --- a/apps/gperf/tests/ada.gperf +++ /dev/null @@ -1,63 +0,0 @@ -else -exit -terminate -type -raise -range -reverse -declare -end -record -exception -not -then -return -separate -select -digits -renames -subtype -elsif -function -for -package -procedure -private -while -when -new -entry -delay -case -constant -at -abort -accept -and -delta -access -abs -pragma -array -use -out -do -others -of -or -all -limited -loop -null -task -in -is -if -rem -mod -begin -body -xor -goto -generic -with diff --git a/apps/gperf/tests/adadefs.gperf b/apps/gperf/tests/adadefs.gperf deleted file mode 100644 index 875be69abc9..00000000000 --- a/apps/gperf/tests/adadefs.gperf +++ /dev/null @@ -1,54 +0,0 @@ -boolean -character -constraint_error -false -float -integer -natural -numeric_error -positive -program_error -storage_error -string -tasking_error -true -address -aft -base -callable -constrained -count -delta -digits -emax -epsilon -first -firstbit -fore -image -large -last -lastbit -length -machine_emax -machine_emin -machine_mantissa -machine_overflows -machine_radix -machine_rounds -mantissa -pos -position -pred -range -safe_emax -safe_large -safe_small -size -small -storage_size -succ -terminated -val -value -width diff --git a/apps/gperf/tests/c++.gperf b/apps/gperf/tests/c++.gperf deleted file mode 100644 index 650d32d0edd..00000000000 --- a/apps/gperf/tests/c++.gperf +++ /dev/null @@ -1,47 +0,0 @@ -asm -auto -break -case -catch -char -class -const -continue -default -delete -do -double -else -enum -extern -float -for -friend -goto -if -inline -int -long -new -operator -overload -private -protected -public -register -return -short -signed -sizeof -static -struct -switch -template -this -typedef -union -unsigned -virtual -void -volatile -while diff --git a/apps/gperf/tests/c-parse.gperf b/apps/gperf/tests/c-parse.gperf deleted file mode 100644 index feef59babb0..00000000000 --- a/apps/gperf/tests/c-parse.gperf +++ /dev/null @@ -1,56 +0,0 @@ -%{ -/* Command-line: gperf -p -j1 -i 1 -g -o -t -N is_reserved_word -k1,3,$ c-parse.gperf */ -%} -struct resword { char *name; short token; enum rid rid; }; -%% -__alignof, ALIGNOF, NORID -__alignof__, ALIGNOF, NORID -__asm, ASM, NORID -__asm__, ASM, NORID -__attribute, ATTRIBUTE, NORID -__attribute__, ATTRIBUTE, NORID -__const, TYPE_QUAL, RID_CONST -__const__, TYPE_QUAL, RID_CONST -__inline, SCSPEC, RID_INLINE -__inline__, SCSPEC, RID_INLINE -__signed, TYPESPEC, RID_SIGNED -__signed__, TYPESPEC, RID_SIGNED -__typeof, TYPEOF, NORID -__typeof__, TYPEOF, NORID -__volatile, TYPE_QUAL, RID_VOLATILE -__volatile__, TYPE_QUAL, RID_VOLATILE -asm, ASM, NORID -auto, SCSPEC, RID_AUTO -break, BREAK, NORID -case, CASE, NORID -char, TYPESPEC, RID_CHAR -const, TYPE_QUAL, RID_CONST -continue, CONTINUE, NORID -default, DEFAULT, NORID -do, DO, NORID -double, TYPESPEC, RID_DOUBLE -else, ELSE, NORID -enum, ENUM, NORID -extern, SCSPEC, RID_EXTERN -float, TYPESPEC, RID_FLOAT -for, FOR, NORID -goto, GOTO, NORID -if, IF, NORID -inline, SCSPEC, RID_INLINE -int, TYPESPEC, RID_INT -long, TYPESPEC, RID_LONG -register, SCSPEC, RID_REGISTER -return, RETURN, NORID -short, TYPESPEC, RID_SHORT -signed, TYPESPEC, RID_SIGNED -sizeof, SIZEOF, NORID -static, SCSPEC, RID_STATIC -struct, STRUCT, NORID -switch, SWITCH, NORID -typedef, SCSPEC, RID_TYPEDEF -typeof, TYPEOF, NORID -union, UNION, NORID -unsigned, TYPESPEC, RID_UNSIGNED -void, TYPESPEC, RID_VOID -volatile, TYPE_QUAL, RID_VOLATILE -while, WHILE, NORID diff --git a/apps/gperf/tests/c.exp b/apps/gperf/tests/c.exp deleted file mode 100644 index 10c8b7f6116..00000000000 --- a/apps/gperf/tests/c.exp +++ /dev/null @@ -1,32 +0,0 @@ -in word set if -in word set do -in word set int -in word set for -in word set case -in word set char -in word set auto -in word set goto -in word set else -in word set long -in word set void -in word set enum -in word set float -in word set short -in word set union -in word set break -in word set while -in word set const -in word set double -in word set static -in word set extern -in word set struct -in word set return -in word set sizeof -in word set switch -in word set signed -in word set typedef -in word set default -in word set unsigned -in word set continue -in word set register -in word set volatile diff --git a/apps/gperf/tests/c.gperf b/apps/gperf/tests/c.gperf deleted file mode 100644 index 8672d6c25ed..00000000000 --- a/apps/gperf/tests/c.gperf +++ /dev/null @@ -1,32 +0,0 @@ -if -do -int -for -case -char -auto -goto -else -long -void -enum -float -short -union -break -while -const -double -static -extern -struct -return -sizeof -switch -signed -typedef -default -unsigned -continue -register -volatile diff --git a/apps/gperf/tests/configure.in b/apps/gperf/tests/configure.in deleted file mode 100644 index d93c7bb1840..00000000000 --- a/apps/gperf/tests/configure.in +++ /dev/null @@ -1,26 +0,0 @@ -# This file is a shell script fragment that supplies the information -# necessary to tailor a template configure script into the configure -# script appropriate for this directory. For more information, check -# any existing configure script. - -configdirs="" -srctrigger=c-parse.gperf -srcname="test perfect hash function generator" - -target_makefile_frag=../../target-mkfrag -package_makefile_frag=Make.pack - -# per-host: - -# per-target: - -TOLIBGXX=../../ -ALL='$(NOTHING)' -CHECK=check -MOSTLYCLEAN='*.o \#* core *inset.c output.* *.out aout cout m3out pout preout' - -(. ${srcdir}/../../config.shared) >${package_makefile_frag} - -# post-target: - -rm -f ${package_makefile_frag} diff --git a/apps/gperf/tests/gpc.gperf b/apps/gperf/tests/gpc.gperf deleted file mode 100644 index 8fb469e46bc..00000000000 --- a/apps/gperf/tests/gpc.gperf +++ /dev/null @@ -1,48 +0,0 @@ -%{ -/* ISO Pascal 7185 reserved words. - * - * For GNU Pascal compiler (GPC) by jtv@hut.fi - * - * run this through the Doug Schmidt's gperf program - * with command - * gperf -g -o -j1 -t -p -N is_reserved_word - * - */ -%} -struct resword { char *name; short token; short iclass;}; -%% -And, AND, PASCAL_ISO -Array, ARRAY, PASCAL_ISO -Begin, BEGIN_, PASCAL_ISO -Case, CASE, PASCAL_ISO -Const, CONST, PASCAL_ISO -Div, DIV, PASCAL_ISO -Do, DO, PASCAL_ISO -Downto, DOWNTO, PASCAL_ISO -Else, ELSE, PASCAL_ISO -End, END, PASCAL_ISO -File, FILE_, PASCAL_ISO -For, FOR, PASCAL_ISO -Function, FUNCTION, PASCAL_ISO -Goto, GOTO, PASCAL_ISO -If, IF, PASCAL_ISO -In, IN, PASCAL_ISO -Label, LABEL, PASCAL_ISO -Mod, MOD, PASCAL_ISO -Nil, NIL, PASCAL_ISO -Not, NOT, PASCAL_ISO -Of, OF, PASCAL_ISO -Or, OR, PASCAL_ISO -Packed, PACKED, PASCAL_ISO -Procedure, PROCEDURE, PASCAL_ISO -Program,PROGRAM,PASCAL_ISO -Record, RECORD, PASCAL_ISO -Repeat, REPEAT, PASCAL_ISO -Set, SET, PASCAL_ISO -Then, THEN, PASCAL_ISO -To, TO, PASCAL_ISO -Type, TYPE, PASCAL_ISO -Until, UNTIL, PASCAL_ISO -Var, VAR, PASCAL_ISO -While, WHILE, PASCAL_ISO -With, WITH, PASCAL_ISO diff --git a/apps/gperf/tests/gplus.gperf b/apps/gperf/tests/gplus.gperf deleted file mode 100644 index 4a93315be52..00000000000 --- a/apps/gperf/tests/gplus.gperf +++ /dev/null @@ -1,76 +0,0 @@ -%{ -/* Command-line: gperf -p -j1 -g -o -t -N is_reserved_word -k1,4,$ gplus.gperf */ -%} -struct resword { char *name; short token; enum rid rid;}; -%% -__alignof, ALIGNOF, NORID -__alignof__, ALIGNOF, NORID -__asm, ASM, NORID -__asm__, ASM, NORID -__attribute, ATTRIBUTE, NORID -__attribute__, ATTRIBUTE, NORID -__const, TYPE_QUAL, RID_CONST -__const__, TYPE_QUAL, RID_CONST -__inline, SCSPEC, RID_INLINE -__inline__, SCSPEC, RID_INLINE -__signed, TYPESPEC, RID_SIGNED -__signed__, TYPESPEC, RID_SIGNED -__typeof, TYPEOF, NORID -__typeof__, TYPEOF, NORID -__volatile, TYPE_QUAL, RID_VOLATILE -__volatile__, TYPE_QUAL, RID_VOLATILE -all, ALL, NORID /* Extension */, -except, EXCEPT, NORID /* Extension */, -exception, AGGR, RID_EXCEPTION /* Extension */, -raise, RAISE, NORID /* Extension */, -raises, RAISES, NORID /* Extension */, -reraise, RERAISE, NORID /* Extension */, -try, TRY, NORID /* Extension */, -asm, ASM, NORID, -auto, SCSPEC, RID_AUTO, -break, BREAK, NORID, -case, CASE, NORID, -catch, CATCH, NORID, -char, TYPESPEC, RID_CHAR, -class, AGGR, RID_CLASS, -const, TYPE_QUAL, RID_CONST, -continue, CONTINUE, NORID, -default, DEFAULT, NORID, -delete, DELETE, NORID, -do, DO, NORID, -double, TYPESPEC, RID_DOUBLE, -dynamic, DYNAMIC, NORID, -else, ELSE, NORID, -enum, ENUM, NORID, -extern, SCSPEC, RID_EXTERN, -float, TYPESPEC, RID_FLOAT, -for, FOR, NORID, -friend, SCSPEC, RID_FRIEND, -goto, GOTO, NORID, -if, IF, NORID, -inline, SCSPEC, RID_INLINE, -int, TYPESPEC, RID_INT, -long, TYPESPEC, RID_LONG, -new, NEW, NORID, -operator, OPERATOR, NORID, -overload, OVERLOAD, NORID, -private, PRIVATE, NORID, -protected, PROTECTED, NORID, -public, PUBLIC, NORID, -register, SCSPEC, RID_REGISTER, -return, RETURN, NORID, -short, TYPESPEC, RID_SHORT, -signed, TYPESPEC, RID_SIGNED, -sizeof, SIZEOF, NORID, -static, SCSPEC, RID_STATIC, -struct, AGGR, RID_RECORD, -switch, SWITCH, NORID, -this, THIS, NORID, -typedef, SCSPEC, RID_TYPEDEF, -typeof, TYPEOF, NORID, -union, AGGR, RID_UNION, -unsigned, TYPESPEC, RID_UNSIGNED, -virtual, SCSPEC, RID_VIRTUAL, -void, TYPESPEC, RID_VOID, -volatile, TYPE_QUAL, RID_VOLATILE, -while, WHILE, NORID, diff --git a/apps/gperf/tests/irc.gperf b/apps/gperf/tests/irc.gperf deleted file mode 100644 index afe53c59e7d..00000000000 --- a/apps/gperf/tests/irc.gperf +++ /dev/null @@ -1,63 +0,0 @@ -%{ -extern int m_text(), m_private(), m_who(), m_whois(), m_user(), m_list(); -extern int m_topic(), m_invite(), m_channel(), m_version(), m_quit(); -extern int m_server(), m_kill(), m_info(), m_links(), m_summon(), m_stats(); -extern int m_users(), m_nick(), m_error(), m_help(), m_whoreply(); -extern int m_squit(), m_restart(), m_away(), m_die(), m_connect(); -extern int m_ping(), m_pong(), m_oper(), m_pass(), m_wall(), m_trace(); -extern int m_time(), m_rehash(), m_names(), m_namreply(), m_admin(); -extern int m_linreply(), m_notice(), m_lusers(), m_voice(), m_grph(); -extern int m_xtra(), m_motd(); -%} -struct Message { - char *cmd; - int (* func)(); - int count; - int parameters; -}; -%% -NICK, m_nick, 0, 1 -MSG, m_text, 0, 1 -PRIVMSG, m_private, 0, 2 -WHO, m_who, 0, 1 -WHOIS, m_whois, 0, 4 -USER, m_user, 0, 4 -SERVER, m_server, 0, 2 -LIST, m_list, 0, 1 -TOPIC, m_topic, 0, 1 -INVITE, m_invite, 0, 2 -CHANNEL, m_channel, 0, 1 -VERSION, m_version, 0, 1 -QUIT, m_quit, 0, 2 -SQUIT, m_squit, 0, 2 -KILL, m_kill, 0, 2 -INFO, m_info, 0, 1 -LINKS, m_links, 0, 1 -SUMMON, m_summon, 0, 1 -STATS, m_stats, 0, 1 -USERS, m_users, 0, 1 -RESTART, m_restart, 0, 1 -WHOREPLY,m_whoreply, 0, 7 -HELP, m_help, 0, 2 -ERROR, m_error, 0, 1 -AWAY, m_away, 0, 1 -DIE, m_die, 0, 1 -CONNECT, m_connect, 0, 3 -PING, m_ping, 0, 2 -PONG, m_pong, 0, 3 -OPER, m_oper, 0, 3 -PASS, m_pass, 0, 2 -WALL, m_wall, 0, 1 -TIME, m_time, 0, 1 -REHASH, m_rehash, 0, 1 -NAMES, m_names, 0, 1 -NAMREPLY,m_namreply, 0, 3 -ADMIN, m_admin, 0, 1 -TRACE, m_trace, 0, 1 -LINREPLY,m_linreply, 0, 2 -NOTICE, m_notice, 0, 2 -LUSERS, m_lusers, 0, 1 -VOICE, m_voice, 0, 2 -GRPH, m_grph, 0, 2 -XTRA, m_xtra, 0, 2 -MOTD, m_motd, 0, 2 diff --git a/apps/gperf/tests/makeinfo.gperf b/apps/gperf/tests/makeinfo.gperf deleted file mode 100644 index 1488b8e38fb..00000000000 --- a/apps/gperf/tests/makeinfo.gperf +++ /dev/null @@ -1,116 +0,0 @@ -COMMAND; -%% -!, cm_force_sentence_end, false -', insert_self, false -*, cm_asterisk, false -., cm_force_sentence_end, false -:, cm_force_abbreviated_whitespace, false -?, cm_force_sentence_end, false -@, insert_self, false -TeX, cm_TeX, true -`, insert_self, false -appendix, cm_appendix, false -appendixsec, cm_appendixsec, false -appendixsubsec, cm_appendixsubsec, false -asis, cm_asis, true -b, cm_bold, true -br, cm_br, false -bullet, cm_bullet, true -bye, cm_bye, false -c, cm_comment, false -center, cm_center, false -chapter, cm_chapter, false -cindex, cm_cindex, false -cite, cm_cite, true -code, cm_code, true -comment, cm_comment, false -contents, do_nothing, false -copyright, cm_copyright, true -ctrl, cm_ctrl, true -defcodeindex, cm_defindex, false -defindex, cm_defindex, false -dfn, cm_dfn, true -display, cm_display, false -dots, cm_dots, true -emph, cm_emph, true -end, cm_end, false -enumerate, cm_enumerate, false -equiv, cm_equiv, true -error, cm_error, true -example, cm_example, false -exdent, cm_exdent, false -expansion, cm_expansion, true -file, cm_file, true -findex, cm_findex, false -format, cm_format, false -group, cm_group, false -i, cm_italic, true -iappendix, cm_appendix, false -iappendixsec, cm_appendixsec, false -iappendixsubsec, cm_appendixsubsec, false -ichapter, cm_chapter, false -ifinfo, cm_ifinfo, false -iftex, cm_iftex, false -ignore, cm_ignore, false -include, cm_include, false -inforef, cm_inforef, true -input, cm_include, false -isection, cm_section, false -isubsection, cm_subsection, false -isubsubsection, cm_subsubsection, false -item, cm_item, false -itemize, cm_itemize, false -itemx, cm_itemx, false -iunnumbered, cm_unnumbered, false -iunnumberedsec, cm_unnumberedsec, false -iunnumberedsubsec, cm_unnumberedsubsec, false -kbd, cm_kbd, true -key, cm_key, true -kindex, cm_kindex, false -lisp, cm_lisp, false -menu, cm_menu -minus, cm_minus, true -need, cm_need, false -node, cm_node, false -noindent, cm_noindent, false -page, do_nothing, false -pindex, cm_pindex, false -point, cm_point, true -print, cm_print, true -printindex, cm_printindex, false -pxref, cm_pxref, true -quotation, cm_quotation, false -r, cm_roman, true -ref, cm_xref, true -refill, cm_refill, false -result, cm_result, true -samp, cm_samp, true -sc, cm_sc, true -section, cm_section, false -setchapternewpage, cm_setchapternewpage, false -setfilename, cm_setfilename, false -settitle, cm_settitle, false -smallexample, cm_smallexample, false -sp, cm_sp, false -strong, cm_strong, true -subsection, cm_subsection, false -subsubsection, cm_subsubsection, false -summarycontents, do_nothing, false -syncodeindex, cm_synindex, false -synindex, cm_synindex, false -t, cm_title, true -table, cm_table, false -tex, cm_tex, false -tindex, cm_tindex, false -titlepage, cm_titlepage, false -unnumbered, cm_unnumbered, false -unnumberedsec, cm_unnumberedsec, false -unnumberedsubsec, cm_unnumberedsubsec, false -var, cm_var, true -vindex, cm_vindex, false -w, cm_w, true -xref, cm_xref, true -{, insert_self, false -}, insert_self, false -infoinclude, cm_infoinclude, false -footnote, cm_footnote, false diff --git a/apps/gperf/tests/modula.exp b/apps/gperf/tests/modula.exp deleted file mode 100644 index cef7d5acad8..00000000000 --- a/apps/gperf/tests/modula.exp +++ /dev/null @@ -1,106 +0,0 @@ -in word set AND -in word set ARRAY -in word set BEGIN -in word set BITS -in word set BY -in word set CASE -in word set CONST -in word set DIV -in word set DO -in word set ELSE -in word set ELSIF -in word set END -in word set EVAL -in word set EXCEPT -in word set EXCEPTION -in word set EXIT -in word set EXPORTS -in word set FINALLY -in word set FOR -in word set FROM -in word set IF -in word set IMPORT -in word set INTERFACE -in word set IN -in word set INLINE -in word set LOCK -in word set METHODS -in word set MOD -in word set MODULE -in word set NOT -in word set OBJECT -in word set OF -in word set OR -in word set PROCEDURE -in word set RAISES -in word set READONLY -in word set RECORD -in word set REF -in word set REPEAT -in word set RETURN -in word set SET -in word set THEN -in word set TO -in word set TRY -in word set TYPE -in word set TYPECASE -in word set UNSAFE -in word set UNTIL -in word set UNTRACED -in word set VALUE -in word set VAR -in word set WHILE -in word set WITH -in word set and -in word set array -in word set begin -in word set bits -in word set by -in word set case -in word set const -in word set div -in word set do -in word set else -in word set elsif -in word set end -in word set eval -in word set except -in word set exception -in word set exit -in word set exports -in word set finally -in word set for -in word set from -in word set if -in word set import -in word set interface -in word set in -in word set inline -in word set lock -in word set methods -in word set mod -in word set module -in word set not -in word set object -in word set of -in word set or -in word set procedure -in word set raises -in word set readonly -in word set record -in word set ref -in word set repeat -in word set return -in word set set -in word set then -in word set to -in word set try -in word set type -in word set typecase -in word set unsafe -in word set until -in word set untraced -in word set value -in word set var -in word set while -in word set with diff --git a/apps/gperf/tests/modula2.gperf b/apps/gperf/tests/modula2.gperf deleted file mode 100644 index 5ef9c753835..00000000000 --- a/apps/gperf/tests/modula2.gperf +++ /dev/null @@ -1,40 +0,0 @@ -AND -ARRAY -BEGIN -BY -CASE -CONST -DEFINITION -DIV -DO -ELSE -ELSIF -END -EXIT -EXPORT -FOR -FROM -IF -IMPLEMENTATION -IMPORT -IN -LOOP -MOD -MODULE -NOT -OF -OR -POINTER -PROCEDURE -QUALIFIED -RECORD -REPEAT -RETURN -SET -THEN -TO -TYPE -UNTIL -VAR -WHILE -WITH diff --git a/apps/gperf/tests/modula3.gperf b/apps/gperf/tests/modula3.gperf deleted file mode 100644 index d0243460d9b..00000000000 --- a/apps/gperf/tests/modula3.gperf +++ /dev/null @@ -1,106 +0,0 @@ -AND -ARRAY -BEGIN -BITS -BY -CASE -CONST -DIV -DO -ELSE -ELSIF -END -EVAL -EXCEPT -EXCEPTION -EXIT -EXPORTS -FINALLY -FOR -FROM -IF -IMPORT -INTERFACE -IN -INLINE -LOCK -METHODS -MOD -MODULE -NOT -OBJECT -OF -OR -PROCEDURE -RAISES -READONLY -RECORD -REF -REPEAT -RETURN -SET -THEN -TO -TRY -TYPE -TYPECASE -UNSAFE -UNTIL -UNTRACED -VALUE -VAR -WHILE -WITH -and -array -begin -bits -by -case -const -div -do -else -elsif -end -eval -except -exception -exit -exports -finally -for -from -if -import -interface -in -inline -lock -methods -mod -module -not -object -of -or -procedure -raises -readonly -record -ref -repeat -return -set -then -to -try -type -typecase -unsafe -until -untraced -value -var -while -with diff --git a/apps/gperf/tests/pascal.exp b/apps/gperf/tests/pascal.exp deleted file mode 100644 index 765e44c6a0f..00000000000 --- a/apps/gperf/tests/pascal.exp +++ /dev/null @@ -1,36 +0,0 @@ -in word set with -in word set array -in word set and -in word set function -in word set case -in word set var -in word set const -in word set until -in word set then -in word set set -in word set record -in word set program -in word set procedure -in word set or -in word set packed -in word set not -in word set nil -in word set label -in word set in -in word set repeat -in word set of -in word set goto -in word set forward -in word set for -in word set while -in word set file -in word set else -in word set downto -in word set do -in word set div -in word set to -in word set type -in word set end -in word set mod -in word set begin -in word set if diff --git a/apps/gperf/tests/pascal.gperf b/apps/gperf/tests/pascal.gperf deleted file mode 100644 index fed3fbb30ea..00000000000 --- a/apps/gperf/tests/pascal.gperf +++ /dev/null @@ -1,36 +0,0 @@ -with -array -and -function -case -var -const -until -then -set -record -program -procedure -or -packed -not -nil -label -in -repeat -of -goto -forward -for -while -file -else -downto -do -div -to -type -end -mod -begin -if diff --git a/apps/gperf/tests/test-1.exp b/apps/gperf/tests/test-1.exp deleted file mode 100644 index 5788cf7dfc3..00000000000 --- a/apps/gperf/tests/test-1.exp +++ /dev/null @@ -1,140 +0,0 @@ -/* C code produced by gperf version 2.5 (GNU C++ version) */ -/* Command-line: ../src/gperf -p -j1 -g -o -t -N is_reserved_word -k1,3,$ */ -/* Command-line: gperf -p -j1 -i 1 -g -o -t -N is_reserved_word -k1,3,$ c-parse.gperf */ -struct resword { char *name; short token; enum rid rid; }; - -#define TOTAL_KEYWORDS 51 -#define MIN_WORD_LENGTH 2 -#define MAX_WORD_LENGTH 13 -#define MIN_HASH_VALUE 8 -#define MAX_HASH_VALUE 82 -/* maximum key range = 75, duplicates = 0 */ - -#ifdef __GNUC__ -inline -#endif -static unsigned int -hash (str, len) - register char *str; - register int unsigned len; -{ - static unsigned char asso_values[] = - { - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 0, 83, 1, 2, 34, - 19, 6, 11, 29, 0, 17, 83, 0, 23, 28, - 26, 30, 31, 83, 15, 1, 0, 28, 13, 4, - 83, 83, 5, 83, 83, 83, 83, 83, - }; - register int hval = len; - - switch (hval) - { - default: - case 3: - hval += asso_values[str[2]]; - case 2: - case 1: - hval += asso_values[str[0]]; - break; - } - return hval + asso_values[str[len - 1]]; -} - -#ifdef __GNUC__ -inline -#endif -struct resword * -is_reserved_word (str, len) - register char *str; - register unsigned int len; -{ - static struct resword wordlist[] = - { - {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, - {"__asm__", ASM, NORID}, - {"",}, - {"__typeof__", TYPEOF, NORID}, - {"__signed__", TYPESPEC, RID_SIGNED}, - {"__alignof__", ALIGNOF, NORID}, - {"break", BREAK, NORID}, - {"__attribute__", ATTRIBUTE, NORID}, - {"",}, {"",}, - {"else", ELSE, NORID}, - {"__attribute", ATTRIBUTE, NORID}, - {"__typeof", TYPEOF, NORID}, - {"int", TYPESPEC, RID_INT}, - {"__alignof", ALIGNOF, NORID}, - {"struct", STRUCT, NORID}, - {"sizeof", SIZEOF, NORID}, - {"switch", SWITCH, NORID}, - {"__volatile__", TYPE_QUAL, RID_VOLATILE}, - {"",}, - {"__inline__", SCSPEC, RID_INLINE}, - {"__signed", TYPESPEC, RID_SIGNED}, - {"__volatile", TYPE_QUAL, RID_VOLATILE}, - {"if", IF, NORID}, - {"__inline", SCSPEC, RID_INLINE}, - {"while", WHILE, NORID}, - {"",}, - {"__asm", ASM, NORID}, - {"auto", SCSPEC, RID_AUTO}, - {"short", TYPESPEC, RID_SHORT}, - {"default", DEFAULT, NORID}, - {"extern", SCSPEC, RID_EXTERN}, - {"",}, {"",}, - {"__const", TYPE_QUAL, RID_CONST}, - {"static", SCSPEC, RID_STATIC}, - {"__const__", TYPE_QUAL, RID_CONST}, - {"for", FOR, NORID}, - {"case", CASE, NORID}, - {"float", TYPESPEC, RID_FLOAT}, - {"return", RETURN, NORID}, - {"typeof", TYPEOF, NORID}, - {"typedef", SCSPEC, RID_TYPEDEF}, - {"volatile", TYPE_QUAL, RID_VOLATILE}, - {"do", DO, NORID}, - {"inline", SCSPEC, RID_INLINE}, - {"void", TYPESPEC, RID_VOID}, - {"char", TYPESPEC, RID_CHAR}, - {"signed", TYPESPEC, RID_SIGNED}, - {"unsigned", TYPESPEC, RID_UNSIGNED}, - {"",}, {"",}, - {"double", TYPESPEC, RID_DOUBLE}, - {"asm", ASM, NORID}, - {"",}, {"",}, - {"goto", GOTO, NORID}, - {"",}, - {"const", TYPE_QUAL, RID_CONST}, - {"enum", ENUM, NORID}, - {"register", SCSPEC, RID_REGISTER}, - {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, - {"continue", CONTINUE, NORID}, - {"",}, - {"union", UNION, NORID}, - {"",}, {"",}, {"",}, {"",}, {"",}, - {"long", TYPESPEC, RID_LONG}, - }; - - if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH) - { - register int key = hash (str, len); - - if (key <= MAX_HASH_VALUE && key >= 0) - { - register char *s = wordlist[key].name; - - if (*s == *str && !strcmp (str + 1, s + 1)) - return &wordlist[key]; - } - } - return 0; -} diff --git a/apps/gperf/tests/test-2.exp b/apps/gperf/tests/test-2.exp deleted file mode 100644 index f74124155eb..00000000000 --- a/apps/gperf/tests/test-2.exp +++ /dev/null @@ -1,183 +0,0 @@ -/* C code produced by gperf version 2.5 (GNU C++ version) */ -/* Command-line: ../src/gperf -n -k1-8 -l */ - -#define TOTAL_KEYWORDS 40 -#define MIN_WORD_LENGTH 2 -#define MAX_WORD_LENGTH 14 -#define MIN_HASH_VALUE 1 -#define MAX_HASH_VALUE 256 -/* maximum key range = 256, duplicates = 0 */ - -static unsigned int -hash (str, len) - register char *str; - register int unsigned len; -{ - static unsigned short asso_values[] = - { - 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, - 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, - 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, - 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, - 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, - 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, - 257, 257, 257, 257, 257, 25, 30, 35, 21, 0, - 30, 15, 30, 45, 257, 257, 0, 5, 45, 0, - 10, 0, 1, 20, 25, 15, 30, 40, 15, 5, - 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, - 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, - 257, 257, 257, 257, 257, 257, 257, 257, 257, 257, - 257, 257, 257, 257, 257, 257, 257, 257, - }; - register int hval = 0; - - switch (len) - { - default: - case 8: - hval += asso_values[str[7]]; - case 7: - hval += asso_values[str[6]]; - case 6: - hval += asso_values[str[5]]; - case 5: - hval += asso_values[str[4]]; - case 4: - hval += asso_values[str[3]]; - case 3: - hval += asso_values[str[2]]; - case 2: - hval += asso_values[str[1]]; - case 1: - hval += asso_values[str[0]]; - break; - } - return hval; -} - -char * -in_word_set (str, len) - register char *str; - register unsigned int len; -{ - - static unsigned char lengthtable[] = - { - 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 4, 2, 0, 0, 0, 2, 3, 0, - 0, 0, 2, 3, 0, 0, 0, 2, 4, 0, 0, 0, 4, 6, - 0, 0, 0, 3, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, - 3, 5, 6, 0, 0, 6, 0, 0, 0, 0, 3, 0, 0, 0, - 3, 0, 0, 0, 0, 2, 0, 0, 0, 0, 4, 0, 0, 9, - 0, 4, 6, 6, 0, 0, 2, 3, 0, 0, 0, 5, 3, 0, - 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, - 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, - 7, 0, 0, 0, 5, 0, 0, 0, 0, 5, 0, 0, 0, 0, - 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 10, - }; - static char *wordlist[] = - { - "", - "OR", - "", "", "", "", "", "", "", "", - "LOOP", - "", "", "", "", "", "", "", "", "", - "ELSE", - "DO", - "", "", "", - "TO", - "MOD", - "", "", "", - "OF", - "FOR", - "", "", "", - "BY", - "FROM", - "", "", "", - "TYPE", - "MODULE", - "", "", "", - "SET", - "", "", "", "", "", - "EXPORT", - "", "", "", "", - "VAR", - "ARRAY", - "RECORD", - "", "", - "REPEAT", - "", "", "", "", - "END", - "", "", "", - "NOT", - "", "", "", "", - "IF", - "", "", "", "", - "CASE", - "", "", - "PROCEDURE", - "", - "EXIT", - "IMPORT", - "RETURN", - "", "", - "IN", - "AND", - "", "", "", - "ELSIF", - "DIV", - "", "", "", - "THEN", - "", "", "", "", "", "", "", "", "", - "IMPLEMENTATION", - "", "", "", "", - "WHILE", - "", "", "", "", "", "", "", "", "", - "CONST", - "POINTER", - "", "", "", - "UNTIL", - "", "", "", "", - "BEGIN", - "", "", "", "", - "WITH", - "", "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", "", - "", "QUALIFIED", - "", "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", "", - "", "", "", "", "", - "DEFINITION", - }; - - if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH) - { - register int key = hash (str, len); - - if (key <= MAX_HASH_VALUE && key >= 0) - { - register char *s = wordlist[key]; - - if (len == lengthtable[key] - && *s == *str && !strcmp (str + 1, s + 1)) - return s; - } - } - return 0; -} diff --git a/apps/gperf/tests/test-3.exp b/apps/gperf/tests/test-3.exp deleted file mode 100644 index 5e889020657..00000000000 --- a/apps/gperf/tests/test-3.exp +++ /dev/null @@ -1,169 +0,0 @@ -/* C code produced by gperf version 2.5 (GNU C++ version) */ -/* Command-line: ../src/gperf -p -j 1 -o -a -C -g -t -k1,4,$ */ -/* Command-line: gperf -p -j1 -g -o -t -N is_reserved_word -k1,4,$ gplus.gperf */ -struct resword { char *name; short token; enum rid rid;}; - -#define TOTAL_KEYWORDS 71 -#define MIN_WORD_LENGTH 2 -#define MAX_WORD_LENGTH 13 -#define MIN_HASH_VALUE 4 -#define MAX_HASH_VALUE 147 -/* maximum key range = 144, duplicates = 0 */ - -#ifdef __GNUC__ -inline -#endif -static unsigned int -hash (register const char *str, register int len) -{ - static const unsigned char asso_values[] = - { - 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, - 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, - 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, - 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, - 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, - 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, - 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, - 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, - 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, - 148, 148, 148, 148, 148, 0, 148, 19, 6, 27, - 37, 0, 12, 1, 15, 63, 148, 4, 0, 56, - 20, 15, 42, 148, 31, 5, 26, 39, 32, 10, - 148, 40, 148, 148, 148, 148, 148, 148, - }; - register int hval = len; - - switch (hval) - { - default: - case 4: - hval += asso_values[str[3]]; - case 3: - case 2: - case 1: - hval += asso_values[str[0]]; - break; - } - return hval + asso_values[str[len - 1]]; -} - -#ifdef __GNUC__ -inline -#endif -const struct resword * -in_word_set (register const char *str, register int len) -{ - static const struct resword wordlist[] = - { - {"",}, {"",}, {"",}, {"",}, - {"else", ELSE, NORID,}, - {"",}, - {"long", TYPESPEC, RID_LONG,}, - {"",}, {"",}, {"",}, {"",}, - {"__alignof__", ALIGNOF, NORID}, - {"__asm__", ASM, NORID}, - {"",}, {"",}, - {"while", WHILE, NORID,}, - {"",}, {"",}, {"",}, {"",}, {"",}, - {"__alignof", ALIGNOF, NORID}, - {"all", ALL, NORID /* Extension */,}, - {"sizeof", SIZEOF, NORID,}, - {"__const__", TYPE_QUAL, RID_CONST}, - {"__volatile", TYPE_QUAL, RID_VOLATILE}, - {"extern", SCSPEC, RID_EXTERN,}, - {"__volatile__", TYPE_QUAL, RID_VOLATILE}, - {"__inline", SCSPEC, RID_INLINE}, - {"exception", AGGR, RID_EXCEPTION /* Extension */,}, - {"__inline__", SCSPEC, RID_INLINE}, - {"case", CASE, NORID,}, - {"except", EXCEPT, NORID /* Extension */,}, - {"new", NEW, NORID,}, - {"break", BREAK, NORID,}, - {"goto", GOTO, NORID,}, - {"",}, - {"__attribute", ATTRIBUTE, NORID}, - {"",}, - {"__attribute__", ATTRIBUTE, NORID}, - {"this", THIS, NORID,}, - {"raise", RAISE, NORID /* Extension */,}, - {"class", AGGR, RID_CLASS,}, - {"delete", DELETE, NORID,}, - {"typeof", TYPEOF, NORID,}, - {"typedef", SCSPEC, RID_TYPEDEF,}, - {"for", FOR, NORID,}, - {"raises", RAISES, NORID /* Extension */,}, - {"__const", TYPE_QUAL, RID_CONST}, - {"double", TYPESPEC, RID_DOUBLE,}, - {"__typeof__", TYPEOF, NORID}, - {"",}, - {"switch", SWITCH, NORID,}, - {"auto", SCSPEC, RID_AUTO,}, - {"do", DO, NORID,}, - {"friend", SCSPEC, RID_FRIEND,}, - {"",}, - {"reraise", RERAISE, NORID /* Extension */,}, - {"",}, - {"volatile", TYPE_QUAL, RID_VOLATILE,}, - {"__typeof", TYPEOF, NORID}, - {"continue", CONTINUE, NORID,}, - {"float", TYPESPEC, RID_FLOAT,}, - {"const", TYPE_QUAL, RID_CONST,}, - {"static", SCSPEC, RID_STATIC,}, - {"virtual", SCSPEC, RID_VIRTUAL,}, - {"__asm", ASM, NORID}, - {"short", TYPESPEC, RID_SHORT,}, - {"signed", TYPESPEC, RID_SIGNED,}, - {"try", TRY, NORID /* Extension */,}, - {"",}, {"",}, {"",}, - {"__signed__", TYPESPEC, RID_SIGNED}, - {"catch", CATCH, NORID,}, - {"public", PUBLIC, NORID,}, - {"struct", AGGR, RID_RECORD,}, - {"if", IF, NORID,}, - {"asm", ASM, NORID,}, - {"union", AGGR, RID_UNION,}, - {"",}, - {"private", PRIVATE, NORID,}, - {"",}, {"",}, {"",}, - {"operator", OPERATOR, NORID,}, - {"",}, {"",}, {"",}, - {"default", DEFAULT, NORID,}, - {"dynamic", DYNAMIC, NORID,}, - {"overload", OVERLOAD, NORID,}, - {"int", TYPESPEC, RID_INT,}, - {"char", TYPESPEC, RID_CHAR,}, - {"",}, {"",}, - {"return", RETURN, NORID,}, - {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, - {"",}, {"",}, - {"__signed", TYPESPEC, RID_SIGNED}, - {"",}, - {"void", TYPESPEC, RID_VOID,}, - {"",}, {"",}, {"",}, - {"protected", PROTECTED, NORID,}, - {"",}, - {"enum", ENUM, NORID,}, - {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, - {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, - {"inline", SCSPEC, RID_INLINE,}, - {"register", SCSPEC, RID_REGISTER,}, - {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, - {"",}, {"",}, {"",}, {"",}, - {"unsigned", TYPESPEC, RID_UNSIGNED,}, - }; - - if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH) - { - register int key = hash (str, len); - - if (key <= MAX_HASH_VALUE && key >= 0) - { - register const char *s = wordlist[key].name; - - if (*s == *str && !strcmp (str + 1, s + 1)) - return &wordlist[key]; - } - } - return 0; -} diff --git a/apps/gperf/tests/test-4.exp b/apps/gperf/tests/test-4.exp deleted file mode 100644 index 5238bf94d98..00000000000 --- a/apps/gperf/tests/test-4.exp +++ /dev/null @@ -1,138 +0,0 @@ -/* C code produced by gperf version 2.5 (GNU C++ version) */ -/* Command-line: ../src/gperf -D -p -t */ -/* Command-line: gperf -p -j1 -i 1 -g -o -t -N is_reserved_word -k1,3,$ c-parse.gperf */ -struct resword { char *name; short token; enum rid rid; }; - -#define TOTAL_KEYWORDS 51 -#define MIN_WORD_LENGTH 2 -#define MAX_WORD_LENGTH 13 -#define MIN_HASH_VALUE 4 -#define MAX_HASH_VALUE 82 -/* maximum key range = 79, duplicates = 2 */ - -static unsigned int -hash (str, len) - register char *str; - register int unsigned len; -{ - static unsigned char asso_values[] = - { - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, - 83, 83, 83, 83, 83, 0, 83, 40, 20, 50, - 25, 10, 30, 0, 0, 50, 83, 0, 15, 0, - 35, 0, 83, 83, 20, 0, 10, 40, 5, 15, - 83, 83, 83, 83, 83, 83, 83, 83, - }; - return len + asso_values[str[len - 1]] + asso_values[str[0]]; -} - -struct resword * -in_word_set (str, len) - register char *str; - register unsigned int len; -{ - static struct resword wordlist[] = - { - {"",}, {"",}, {"",}, {"",}, - {"goto", GOTO, NORID}, - {"__asm", ASM, NORID}, - {"switch", SWITCH, NORID}, - {"__asm__", ASM, NORID}, - {"__const__", TYPE_QUAL, RID_CONST}, - {"__inline__", SCSPEC, RID_INLINE}, - {"__typeof__", TYPEOF, NORID}, - {"__signed__", TYPESPEC, RID_SIGNED}, - {"__alignof__", ALIGNOF, NORID}, - {"__volatile__", TYPE_QUAL, RID_VOLATILE}, - {"__attribute__", ATTRIBUTE, NORID}, - {"enum", ENUM, NORID}, - {"short", TYPESPEC, RID_SHORT}, - {"struct", STRUCT, NORID}, - {"__const", TYPE_QUAL, RID_CONST}, - {"__inline", SCSPEC, RID_INLINE}, - {"long", TYPESPEC, RID_LONG}, - {"__volatile", TYPE_QUAL, RID_VOLATILE}, - {"__attribute", ATTRIBUTE, NORID}, - {"volatile", TYPE_QUAL, RID_VOLATILE}, - {"else", ELSE, NORID}, - {"break", BREAK, NORID}, - {"do", DO, NORID}, - {"while", WHILE, NORID}, - {"signed", TYPESPEC, RID_SIGNED}, - {"__signed", TYPESPEC, RID_SIGNED}, - {"void", TYPESPEC, RID_VOID}, - {"sizeof", SIZEOF, NORID}, - {"__typeof", TYPEOF, NORID}, - {"__alignof", ALIGNOF, NORID}, - {"double", TYPESPEC, RID_DOUBLE}, - {"default", DEFAULT, NORID}, - {"asm", ASM, NORID}, - {"auto", SCSPEC, RID_AUTO}, - {"float", TYPESPEC, RID_FLOAT}, - {"typeof", TYPEOF, NORID}, - {"typedef", SCSPEC, RID_TYPEDEF}, - {"register", SCSPEC, RID_REGISTER}, - {"extern", SCSPEC, RID_EXTERN}, - {"for", FOR, NORID}, - {"static", SCSPEC, RID_STATIC}, - {"return", RETURN, NORID}, - {"int", TYPESPEC, RID_INT}, - {"case", CASE, NORID}, - {"const", TYPE_QUAL, RID_CONST}, - {"inline", SCSPEC, RID_INLINE}, - {"continue", CONTINUE, NORID}, - {"unsigned", TYPESPEC, RID_UNSIGNED}, - {"char", TYPESPEC, RID_CHAR}, - {"union", UNION, NORID}, - {"if", IF, NORID}, - }; - - static char lookup[] = - { - -1, -1, -1, -1, 4, 5, 6, 7, -1, 8, 100, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, -1, 23, 24, 25, -1, 26, - -9, -3, 27, 28, -1, 29, 30, -1, 31, -1, 32, 33, -1, 34, - 35, 36, 37, 38, 39, 40, 41, -1, -1, 42, -1, 43, -1, -1, - 44, -1, -1, -1, -1, 45, -1, 46, 47, 48, 49, -1, 50, -1, - -1, -1, -1, 51, 52, -1, -1, -1, -1, -1, 53, -1, 54, - }; - - if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH) - { - register int key = hash (str, len); - - if (key <= MAX_HASH_VALUE && key >= 0) - { - register int index = lookup[key]; - - if (index >= 0 && index < MAX_HASH_VALUE) - { - register char *s = wordlist[index].name; - - if (*s == *str && !strcmp (str + 1, s + 1)) - return &wordlist[index]; - } - else if (index < 0 && index >= -MAX_HASH_VALUE) - return 0; - else - { - register int offset = key + index + (index > 0 ? -MAX_HASH_VALUE : MAX_HASH_VALUE); - register struct resword *base = &wordlist[-lookup[offset]]; - register struct resword *ptr = base + -lookup[offset + 1]; - - while (--ptr >= base) - if (*str == *ptr->name && !strcmp (str + 1, ptr->name + 1)) - return ptr; - } - } - } - return 0; -} diff --git a/apps/gperf/tests/test-5.exp b/apps/gperf/tests/test-5.exp deleted file mode 100644 index 101e2798d40..00000000000 --- a/apps/gperf/tests/test-5.exp +++ /dev/null @@ -1,111 +0,0 @@ -/* C code produced by gperf version 2.5 (GNU C++ version) */ -/* Command-line: ../src/gperf -g -o -j1 -t -p -N is_reserved_word */ -/* ISO Pascal 7185 reserved words. - * - * For GNU Pascal compiler (GPC) by jtv@hut.fi - * - * run this through the Doug Schmidt's gperf program - * with command - * gperf -g -o -j1 -t -p -N is_reserved_word - * - */ -struct resword { char *name; short token; short iclass;}; - -#define TOTAL_KEYWORDS 35 -#define MIN_WORD_LENGTH 2 -#define MAX_WORD_LENGTH 9 -#define MIN_HASH_VALUE 2 -#define MAX_HASH_VALUE 43 -/* maximum key range = 42, duplicates = 0 */ - -#ifdef __GNUC__ -inline -#endif -static unsigned int -hash (str, len) - register char *str; - register int unsigned len; -{ - static unsigned char asso_values[] = - { - 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, - 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, - 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, - 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, - 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, - 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, - 44, 44, 44, 44, 44, 18, 29, 14, 6, 7, - 10, 20, 44, 28, 44, 44, 28, 19, 22, 15, - 0, 44, 9, 23, 0, 23, 26, 2, 44, 44, - 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, - 0, 0, 13, 44, 30, 44, 44, 44, 0, 25, - 1, 0, 44, 44, 0, 44, 1, 44, 25, 44, - 44, 0, 44, 44, 44, 44, 44, 44, - }; - return len + asso_values[str[len - 1]] + asso_values[str[0]]; -} - -#ifdef __GNUC__ -inline -#endif -struct resword * -is_reserved_word (str, len) - register char *str; - register unsigned int len; -{ - static struct resword wordlist[] = - { - {"",}, {"",}, - {"To", TO, PASCAL_ISO}, - {"",}, - {"Type", TYPE, PASCAL_ISO}, - {"Then", THEN, PASCAL_ISO}, - {"Packed", PACKED, PASCAL_ISO}, - {"While", WHILE, PASCAL_ISO}, - {"Do", DO, PASCAL_ISO}, - {"Procedure", PROCEDURE, PASCAL_ISO}, - {"End", END, PASCAL_ISO}, - {"Else", ELSE, PASCAL_ISO}, - {"Downto", DOWNTO, PASCAL_ISO}, - {"For", FOR, PASCAL_ISO}, - {"File", FILE_, PASCAL_ISO}, - {"Record", RECORD, PASCAL_ISO}, - {"Repeat", REPEAT, PASCAL_ISO}, - {"Or", OR, PASCAL_ISO}, - {"Case", CASE, PASCAL_ISO}, - {"Function", FUNCTION, PASCAL_ISO}, - {"Const", CONST, PASCAL_ISO}, - {"And", AND, PASCAL_ISO}, - {"Mod", MOD, PASCAL_ISO}, - {"Array", ARRAY, PASCAL_ISO}, - {"Goto", GOTO, PASCAL_ISO}, - {"Nil", NIL, PASCAL_ISO}, - {"Not", NOT, PASCAL_ISO}, - {"Set", SET, PASCAL_ISO}, - {"Until", UNTIL, PASCAL_ISO}, - {"Var", VAR, PASCAL_ISO}, - {"Of", OF, PASCAL_ISO}, - {"In", IN, PASCAL_ISO}, - {"Program", PROGRAM,PASCAL_ISO}, - {"Label", LABEL, PASCAL_ISO}, - {"Div", DIV, PASCAL_ISO}, - {"Begin", BEGIN_, PASCAL_ISO}, - {"With", WITH, PASCAL_ISO}, - {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, - {"If", IF, PASCAL_ISO}, - }; - - if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH) - { - register int key = hash (str, len); - - if (key <= MAX_HASH_VALUE && key >= 0) - { - register char *s = wordlist[key].name; - - if (*s == *str && !strcmp (str + 1, s + 1)) - return &wordlist[key]; - } - } - return 0; -} diff --git a/apps/gperf/tests/test-6.exp b/apps/gperf/tests/test-6.exp deleted file mode 100644 index eba6e3cac9a..00000000000 --- a/apps/gperf/tests/test-6.exp +++ /dev/null @@ -1,74 +0,0 @@ --a Generate ANSI standard C output code, i.e., function prototypes. --c Generate comparison code using strncmp rather than strcmp. --C Make the contents of generated lookup tables constant, i.e., readonly. --d Enables the debugging option (produces verbose output to the standard error). --D Handle keywords that hash to duplicate values. This is useful - for certain highly redundant keyword sets. It enables the -S option. --e Allow user to provide a string containing delimiters used to separate - keywords from their attributes. Default is ",\n" --E Define constant values using an enum local to the lookup function - rather than with defines --f Generate the gen-perf.hash function ``fast.'' This decreases GPERF's - running time at the cost of minimizing generated table-size. - The numeric argument represents the number of times to iterate when - resolving a collision. `0' means ``iterate by the number of keywords.'' --g Assume a GNU compiler, e.g., g++ or gcc. This makes all generated - routines use the ``inline'' keyword to remove cost of function calls. --G Generate the static table of keywords as a static global variable, - rather than hiding it inside of the lookup function (which is the - default behavior). --h Prints this mesage. --H Allow user to specify name of generated hash function. Default - is `hash'. --i Provide an initial value for the associate values array. Default is 0. - Setting this value larger helps inflate the size of the final table. --j Affects the ``jump value,'' i.e., how far to advance the associated - character value upon collisions. Must be an odd number, default is 5. --k Allows selection of the key positions used in the hash function. - The allowable choices range between 1-126, inclusive. The positions - are separated by commas, ranges may be used, and key positions may - occur in any order. Also, the meta-character '*' causes the generated - hash function to consider ALL key positions, and $ indicates the - ``final character'' of a key, e.g., $,1,2,4,6-10. --K Allow use to select name of the keyword component in the keyword structure. --l Compare key lengths before trying a string comparison. This helps - cut down on the number of string comparisons made during the lookup. --L Generates code in the language specified by the option's argument. Languages - handled are currently C++ and C. The default is C. --n Do not include the length of the keyword when computing the hash function --N Allow user to specify name of generated lookup function. Default - name is `in_word_set.' --o Reorders input keys by frequency of occurrence of the key sets. - This should decrease the search time dramatically. --p Changes the return value of the generated function ``in_word_set'' - from its default boolean value (i.e., 0 or 1), to type ``pointer - to wordlist array'' This is most useful when the -t option, allowing - user-defined structs, is used. --r Utilizes randomness to initialize the associated values table. --s Affects the size of the generated hash table. The numeric argument - for this option indicates ``how many times larger or smaller'' the associated - value range should be, in relationship to the number of keys, e.g. a value of 3 - means ``allow the maximum associated value to be about 3 times larger than the - number of input keys.'' Conversely, a value of -3 means ``make the maximum - associated value about 3 times smaller than the number of input keys. - A larger table should decrease the time required for an unsuccessful search, - at the expense of extra table space. Default value is 1. --S Causes the generated C code to use a switch statement scheme, rather - than an array lookup table. This can lead to a reduction in both - time and space requirements for some keyfiles. The argument to - this option determines how many switch statements are generated. - A value of 1 generates 1 switch containing all the elements, a value of 2 - generates 2 tables with 1/2 the elements in each table, etc. This - is useful since many C compilers cannot correctly generate code for - large switch statements. --t Allows the user to include a structured type declaration for - generated code. Any text before %% is consider part of the type - declaration. Key words and additional fields may follow this, one - group of fields per line. --T Prevents the transfer of the type declaration to the output file. - Use this option if the type is already defined elsewhere. --v Prints out the current version number --Z Allow user to specify name of generated C++ class. Default - name is `Perfect_Hash.' -Usage: ../src/gperf [-acCdDef[num]gGhH<hashname>i<init>jk<keys>K<keyname>lL<language>nN<function name>oprs<size>S<switches>tTvZ<class name>]. -(type ../src/gperf -h for help) diff --git a/apps/gperf/tests/test-7.exp b/apps/gperf/tests/test-7.exp deleted file mode 100644 index c5c942c10d1..00000000000 --- a/apps/gperf/tests/test-7.exp +++ /dev/null @@ -1,32 +0,0 @@ -in word set if -in word set do -NOT in word set int -in word set for -in word set case -NOT in word set char -NOT in word set auto -in word set goto -in word set else -NOT in word set long -NOT in word set void -NOT in word set enum -NOT in word set float -NOT in word set short -NOT in word set union -NOT in word set break -in word set while -NOT in word set const -NOT in word set double -NOT in word set static -NOT in word set extern -NOT in word set struct -in word set return -NOT in word set sizeof -NOT in word set switch -NOT in word set signed -NOT in word set typedef -NOT in word set default -NOT in word set unsigned -NOT in word set continue -NOT in word set register -NOT in word set volatile diff --git a/apps/gperf/tests/test.c b/apps/gperf/tests/test.c deleted file mode 100644 index 35d9015bba7..00000000000 --- a/apps/gperf/tests/test.c +++ /dev/null @@ -1,28 +0,0 @@ -/* -// @(#)test.c 1.1 10/18/96 - - Tests the generated perfect has function. - The -v option prints diagnostics as to whether a word is in - the set or not. Without -v the program is useful for timing. -*/ - -#include <stdio.h> - -#define MAX_LEN 80 - -int -main (argc, argv) - int argc; - char *argv[]; -{ - int verbose = argc > 1 ? 1 : 0; - char buf[MAX_LEN]; - - while (gets (buf)) - if (in_word_set (buf, strlen (buf)) && verbose) - printf ("in word set %s\n", buf); - else if (verbose) - printf ("NOT in word set %s\n", buf); - - return 0; -} |