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Add 2014 to copyright message in all files.
Signed-off-by: Gary V. Vaughan <gary@gnu.org>
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Libltdl is huge and slow, and carrying the weight of support for
decades old systems. We can do much better using POSIX dlopen
and dlsym directly, simplifying and speeding up as we do so.
* configure.ac (LT_CONFIG_LTDL_DIR, LTDL_INIT): Remove.
(M4_DEFAULT_PRELOAD): Set to ""; we lost preload support along
with removing libltdl.
* Makefile.am: Don't include ltdl/Makefile.inc.
(AM_CPPFLAGS): Manually add current directory to include search
paths.
* m4/m4private.h (includes): Remove ltdl.h.
(INIT_SYMBOL, m4__module_init): Remove.
(struct m4_module): Change handle type from lt_dlhandle to void *.
* m4/m4module.h (M4INIT_HANDLER): Remove.
* m4/module.c (includes): Add dlfcn.h.
(m4__module_interface, iface_id, m4__module_init, module_dlerror):
Remove.
(m4__module_open): Drastically simplified without all the
libltdl setup and interface id twiddling. Just call dlopen to
get a native handle, and the dlsym to get the init function.
(m4_module_import): Similarly wrt dlsym.
* m4/path.c (FILE_SUFFIXES): Replace .la and LT_MODULE_EXT with
hardcoded ".so".
(m4_load_filename): Likewise.
* modules/gnu.c: Remove libltdl preprocessor symbol renaming,
and use "include_<modulename>" as the single entry point function.
* modules/import.c, modules/m4.c, modules/modtest.c,
modules/mpeval.c, modules/shadow.c, modules/stdlib.c,
modules/time.c, modules/traditional.c: Likewise.
* main.c (main): Remove calls to m4__module_init and
LTDL_SET_PRELOADED_SYMBOLS.
* tests/m4.in: Make sure we always have the modules/.libs and
tests/.libs directories at the front of M4PATH so that the
tests will find the modules they need to include.
Signed-off-by: Gary V. Vaughan <gary@gnu.org>
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* m4/m4private.h (m4:namemap): New field for hash table to lookup
module structures by name string.
* m4/m4.c (hashfn): Hash function for plain strings.
(m4_create): Initialise namemap field to a hash table using hashfn
for inserting and looking up keys.
* m4/module.c (m4__module_find): Replace the fussy libltdl
twiddling with a hash lookup in m4:namemap.
Add a new context parameter. Adjust all callers.
Signed-off-by: Gary V. Vaughan <gary@gnu.org>
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* m4/m4private.h (struct m4_module): Add a next pointer.
(struct m4): Add a module list pointer.
* m4/module.c (m4__module_open): Initialise the next pointer and
update the list head when a new module is successfully opened.
(m4_module_next): Replace the ugly libltdl twiddling with a
straight forward module list traversal one-liner!
Add a context parameter. Adjust all callers.
Signed-off-by: Gary V. Vaughan <gary@gnu.org>
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Module management is horrifically more complex than it needs to
be for the simple purpose of providing a means to implement new
builtins using C. Fussing about reference counting or needing to
maintain and test a facility to unload modules is an easy 600
lines to cut as a start at simplification.
* src/main.c (main): Don't call m4__module_exit to unload all
modules just prior to exiting the application.
* m4/m4private.h (FINISH_SYMBOL, m4_module:refcount)
(m4__module_exit, m4_module_refcount): Remove.
(m4__module_next): Rename from this...
* m4/m4module.h (m4_module_next): ...to this. Adjust all callers.
(M4FINISH_HANDLER, m4_module_finish_func, m4_module_makeresident)
(m4_module_refcount, m4_module_unload, m4_module_exit): Remove.
* m4/m4module.c (m4__module_next): Rename from this...
(m4_module_next): ...to this.
(module_remove, m4_module_makeresident, m4_module_unload)
(m4_module_exit, m4_module_refcount): Remove.
* modules/load.c: Remove.
(m4modules): Move from here...
* modules/gnu.c (m4modules): ...to here. Update all callers.
(M4FINISH_HANDLER(gnu)): Remove.
* modules/m4.c (M4INIT_HANDLER(m4)): Remove.
* modules/modtest.c (M4FINISH_HANDLER(modtest)): Remove.
* modules/shadow.c (M4INIT_HANDLER(shadow)): Rewrite to work
without refcount.
* Makefile.am (pkglib_LTLIBRARIES): Remove modules/load.la.
(modules_load_la_LDFLAGS, modules_load_la_LIBADD): Remove.
* tests/modules.at: Remove references to load module, and
tests of unload builtin.
* tests/options.at: Remove obsolute finish hook and module unload
trace output.
* doc/m4.texi (Unload, Refcount): Remove.
(M4modules): Change module reference from load to gnu.
Signed-off-by: Gary V. Vaughan <gary@gnu.org>
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* cfg.mk (local-checks-to-skip): Skip bindtextdomain until I
understand it!
(old_NEWS_hash): Update.
(exclude_file_name_regexp--sc_prohibit_always_true_header_tests)
(exclude_file_name_regexp--sc_prohibit_strncpy)
(exclude_file_name_regexp--update_copyright): Exclude failing
files.
* doc/Makefile.am: Remove trailing blank line.
* m4/path.c: Remove trailing whitespace.
* doc/m4.texi: Fix some errors flagged by syntax checks.
* m4/input.c, m4/macro.c, m4/output.c, m4/stackovf.c: Don't use
`main ()', which confuses syntax-checks.
Signed-off-by: Gary V. Vaughan <gary@gnu.org>
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* m4/m4private (STRNEQ): New macro.
* m4/path.c (m4_load_filename): Use it.
* src/freeze.c (produce_frozen_state): Likewise.
Signed-off-by: Gary V. Vaughan <gary@gnu.org>
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* all files: Run 'make update-copyright' to add 2013 to list of
copyright years.
Signed-off-by: Gary V. Vaughan <gary@gnu.org>
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* m4/module.c (m4__module_open): Instead of calling lt_dlopenext
right away, use the preload hint first incase path searching has
been disabled by POSIXLY_CORRECT. Otherwise fallback to a
manual path search to override libltdl's algorithm.
* m4/m4module.h: Adjust.
* m4/path.c (FILE_SUFFIXES): Order to try suffixes in our path
search algorithm.
(NO_SUFFIXES): Alternatively, how to to search a path without
adding file suffixes.
(m4_path_search): Add a new suffixes parameter defaulting to
NO_SUFFIXES. Adjust all callers.
(m4_load_filename): New generic load function that tries to
open a matched file first as a module, and if that fails fall
back to a (possibly frozen) m4 input file.
(m4_fopen): New function with close on exec functionality.
* modules/m4.c (include): Use m4_load_filename to with modules
or m4 files. Adjust all callers.
* modules/load.c (load): Removed this builtin.
* src/main.c: Remove Dynamic loading features section, and
M4MODPATH support.
(long_options): Remove "load-module", "unload-module" and
"module-directory" options.
(OPTSTRING): Remove 'M' and 'm' options.
(process_file): Use m4_load_filename to support module names
on the command line.
* tests/generate.awk (new_test): Output AT_CHECK_DYNAMIC_MODULE
and AT_CHECK_GMP without relying on the (deleted!) -m option.
* Makefile.am (TESTS_ENVIRONMENT): No need for abs_top_builddir
any more.
* doc/m4.texinfo: Update examples.
(Dynamic loading features, Load): Removed.
(Command line files): Describe how non-option arguments are
treated to try to find a matching macro file or dso.
(Include): Describe additional dso loading features if a
suitable text file cannot be found.
(Modules): Updated.
* tests/builtins.at, tests/m4.in, tests/modules.at,
tests/options.at, others.at: Adjust test cases and calling conventions
to new semantics.
* modules/modtest.m4, modules/shadow.m4, modules/stdlib.m4,
modules/time.m4, modules/time2.m4: Move from here...
* examples/modtest.m4, examples/shadow.m4, examples/stdlib.m4,
examples/time.m4, examples/time2.m4: ...to here, to prevent a
namespace clash with similarly named loadable modules in the
modules directory.
* NEWS: Updated.
Signed-off-by: Gary V. Vaughan <gary@gnu.org>
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* gnulib: Update to latest.
* Makefile.am (tests/package.m4): Avoid @@ substitution.
(src_m4_LDADD): Link with libiconv.
* m4/m4private.h (STREQ): New macro.
* m4/resyntax.c (m4_regexp_syntax_encode): Use it.
* src/main.c (process_file): Likewise.
(includes): Drop unused header.
* m4/macro.c (m4_arg_equal): Adjust comment.
* m4/syntax.c: Likewise.
* m4/system_.h: Avoid useless preprocessor parenthesis.
* ltdl/m4/stackovf.m4 (M4_SYS_STACKOVF): Likewise.
* src/stackovf.c: Likewise.
(setup_stackovf_trap): Mark diagnostics.
* modules/mpeval.c (includes): Move quotearg.h inclusion...
* modules/evalparse.c (includes): ...to where it is used.
* cfg.mk (local-checks-to-skip): Exempt tests that cause spurious
failures, but first fix what they were intended to detect.
(_makefile_at_at_check_exceptions): Allow an exception.
Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit 2f6096389e2047a01618419af3f4471735444520)
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* m4/output.c (m4_freeze_diversions): Silence false positive.
* src/main.c (main): Use 'warning', not 'Warning', in messages.
* m4/utility.c (m4_verror_at_line): Likewise.
* doc/m4.texinfo (Operation modes, Macro Arguments, Undefine)
(Defn, Pushdef, Indir, Builtin, Ifdef, Ifelse, Dumpdef, Trace)
(Debuglen, Debugfile, Dnl, Changeresyntax, Standard Modules)
(Index macro, Regexp, Substr, Translit, Patsubst, Format, Incr)
(Eval, Mkstemp, Syncoutput, Improved forloop)
(Improved fatal_error): Adjust expected output.
* tests/builtins.at (define, mkdtemp, mkstemp): Likewise.
* tests/freeze.at (loading format 1, reloading unknown builtin):
Likewise.
* tests/macros.at (Arity and defn, 'Arity, defn, and freeze')
(pushdef/popdef): Likewise.
* tests/null.err: Likewise.
* tests/options.at (deprecated options, POSIXLY_CORRECT)
(--fatal-warnings, --regexp-syntax, --syncoutput): Likewise.
* tests/others.at (nul character, stdin seekable): Likewise.
* tests/modules.at (AT_CHECK_M4_MODTEST, modules: text):
Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* HACKING: Nuke trailing whitespace.
* examples/WWW/Makefile: Likewise.
* examples/WWW/_footer.htm: Likewise.
* examples/WWW/_header.htm: Likewise.
* examples/WWW/m4lib/bugs.m4: Likewise.
* examples/WWW/m4lib/html.m4: Likewise.
* examples/WWW/m4lib/menu.m4: Likewise.
* examples/WWW/m4lib/visions.m4: Likewise.
* examples/esyscmd.m4: Likewise.
* examples/fstab.m4: Avoid space-tab.
* examples/patsubst.m4: Likewise.
* NEWS: Prefer space over tab for alignment.
* THANKS: Likewise.
* TODO: Likewise.
* bootstrap: Likewise.
* configure.ac: Likewise.
* ltdl/m4/stackovf.m4: Likewise.
* m4/hash.c: Likewise.
* m4/hash.h: Likewise.
* m4/input.c: Likewise.
* m4/m4.c: Likewise.
* m4/m4module.h: Likewise.
* m4/m4private.h: Likewise.
* m4/macro.c: Likewise.
* m4/module.c: Likewise.
* m4/output.c: Likewise.
* m4/path.c: Likewise.
* m4/resyntax.c: Likewise.
* m4/symtab.c: Likewise.
* m4/syntax.c: Likewise.
* m4/system_.h: Likewise.
* modules/evalparse.c: Likewise.
* modules/format.c: Likewise.
* modules/gnu.c: Likewise.
* modules/import.c: Likewise.
* modules/load.c: Likewise.
* modules/m4.c: Likewise.
* modules/m4.h: Likewise.
* modules/modtest.c: Likewise.
* modules/mpeval.c: Likewise.
* modules/perl.c: Likewise.
* modules/shadow.c: Likewise.
* modules/stdlib.c: Likewise.
* modules/time.c: Likewise.
* modules/traditional.c: Likewise.
* src/freeze.c: Likewise.
* src/main.c: Likewise.
* src/stackovf.c: Likewise.
* tests/stackovf.test: Likewise.
* doc/STYLE: Mention the change.
Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit b30b61aa1be7659c155272135fa17a8d7528f80e)
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Now that gnulib has converted and git has better support for
ignoring whitespace differences across this commit, we might as
well be consistent with other GNU projects.
Done with:
t=$'\t'
git ls-files \
| grep -vE '(^|/)(.*akefile|ChangeLog|HACKING|.*-aux/.*)|\.(am|mk)$' \
| xargs grep -lE "^ *$t" \
| xargs perl -MText::Tabs -ni -le \
'$m=/^( *\t[ \t]*)(.*)/; print $m ? expand($1) . $2 : $_'
followed by tweaks to pass 'make check' again.
* .gitmodules: Convert leading tabs to spaces.
* TODO: Likewise.
* bootstrap: Likewise.
* configure.ac: Likewise.
* examples/WWW/m4lib/html.m4: Likewise.
* examples/WWW/m4lib/layout.m4: Likewise.
* examples/WWW/m4lib/menu.m4: Likewise.
* ltdl/m4/debug.m4: Likewise.
* ltdl/m4/gmp.m4: Likewise.
* ltdl/m4/m4-obstack.m4: Likewise.
* ltdl/m4/stackovf.m4: Likewise.
* m4/builtin.c: Likewise.
* m4/debug.c: Likewise.
* m4/hash.c: Likewise.
* m4/hash.h: Likewise.
* m4/input.c: Likewise.
* m4/m4.c: Likewise.
* m4/m4module.h: Likewise.
* m4/m4private.h: Likewise.
* m4/macro.c: Likewise.
* m4/module.c: Likewise.
* m4/output.c: Likewise.
* m4/path.c: Likewise.
* m4/resyntax.c: Likewise.
* m4/symtab.c: Likewise.
* m4/syntax.c: Likewise.
* m4/utility.c: Likewise.
* modules/evalparse.c: Likewise.
* modules/format.c: Likewise.
* modules/gnu.c: Likewise.
* modules/load.c: Likewise.
* modules/m4.c: Likewise.
* modules/m4.h: Likewise.
* modules/mpeval.c: Likewise.
* modules/perl.c: Likewise.
* modules/stdlib.c: Likewise.
* modules/time.c: Likewise.
* src/freeze.c: Likewise.
* src/m4.h: Likewise.
* src/main.c: Likewise.
* src/stackovf.c: Likewise.
* tests/builtins.at: Likewise.
* tests/freeze.at: Likewise.
* tests/generate.awk: Likewise.
* tests/modules.at: Likewise.
* tests/others.at: Likewise.
* tests/stackovf.test: Likewise.
* tests/testsuite.at: Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit 180b7d19bf95d2abb21bca587a0684eca69679ad)
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All files impacted, via 'make update-copyright'. Additionally:
* .gitignore: Ignore backup files.
Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit 5f42c4dabb6858601abce7b38ca78f4c3069f301)
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* .cvsignore: Delete. We are moving further away from CVS.
* build-aux/.cvsignore: Likewise.
* doc/.cvsignore: Likewise.
* examples/.cvsignore: Likewise.
* ltdl/.cvsignore: Likewise.
* m4/.cvsignore: Likewise.
* modules/.cvsignore: Likewise.
* po/.cvsignore: Likewise.
* src/.cvsignore: Likewise.
* tests/.cvsignore: Likewise.
* .gitignore: Consolidate from other files.
* build-aux/.gitignore: Delete, now that it is consolidated.
* doc/.gitignore: Likewise.
* examples/.gitignore: Likewise.
* ltdl/.gitignore: Likewise.
* m4/.gitignore: Likewise.
* modules/.gitignore: Likewise.
* po/.gitignore: Likewise.
* src/.gitignore: Likewise.
* tests/.gitignore: Likewise.
* bootstrap: Simplify accordingly. Sync gnulib tree prior to
libtoolize, to avoid libtool overwriting config.guess.
Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit 76b384f1d84225d0412d58999d2becc8936dd645)
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* m4/m4module.h (m4_debug_decode, m4_parse_truth_arg): Add
parameter.
* m4/macro.c (m4_macro_call): Improve diagnostic.
* modules/m4.c (defn): Likewise.
* m4/debug.c (m4_debug_decode): Handle embedded NUL.
* m4/utility.c (m4_parse_truth_arg): Likewise.
* modules/format.c (arg_int, arg_long, arg_double): Likewise.
(arg_string): New function.
(ARG_INT, ARG_LONG, ARG_STR, ARG_DOUBLE): Update callers.
* src/main.c (main): Likewise.
* src/freeze.c (reload_frozen_state): Likewise.
* modules/gnu.c (debugmode, syncoutput): Likewise.
* tests/options.at (--regexp-syntax): Adjust test.
* tests/freeze.at (reloading nul): Likewise.
* tests/null.m4: Likewise.
* tests/null.out: Likewise.
* tests/null.err: Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* src/main.c (usage): Use enhanced version-etc features.
Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit d499df171ddb2161d1e75055009a9b3d18131591)
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* m4/m4module.h (M4_DEBUG_TRACE_OUTPUT_DUMPDEF): New enumerator.
(M4_DEBUG_TRACE_VERBOSE): Update.
* m4/debug.c (m4_debug_decode): Support new debug option.
* src/freeze.c (produce_debugmode_state): Likewise.
* modules/m4.c (dumpdef): When set, force dumpdef to stderr rather
than the debug file.
* src/main.c (usage): Document it.
* doc/m4.texinfo (Debugmode, Dumpdef, Debugging options)
(Debugfile): Likewise.
* NEWS: Likewise.
Based on an autoconf bug report by Paolo Bonzini.
Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit df6bfeeaac6bdc1ef8e5406c6ac051af2c10d0d8)
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* src/main.c (long_options): Make the argument optional, to allow
setting debug file back to stderr.
(main): Make --debugfile order-dependent.
(usage): Document this.
* doc/m4.texinfo (Debugging options): Likewise.
* NEWS: Likewise.
* tests/options.at (--debugfile): Enhance test.
(--safer): Adjust to new semantics.
Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit c59c67993219ec04965b1347b44a7e3d09ff425c)
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* modules/m4.c (m4_expand_ranges): Don't append extra bytes.
(translit): Manage NUL bytes.
* modules/format.c (format): Likewise.
* modules/gnu.c (substitute, regexp_substitute): Likewise.
(m4_resyntax_encode_safe): Add parameter.
(regexp, patsubst, renamesyms): Update callers.
(regexp_compile): Adjust error message.
* modules/evalparse.c (m4_evaluate): Use consistent message.
(end_text): New variable.
(eval_init_lex): Add parameter.
(eval_lex): Detect embedded NUL.
* src/freeze.c (reload_frozen_state): Likewise.
* doc/m4.texinfo (Format): Update to cover new behavior.
(Eval): Mention that result is unquoted.
* tests/freeze.at (reloading nul): Enhance test.
* tests/null.m4: Likewise.
* tests/null.err: Update expected output.
* tests/null.out: Likewise.
* tests/options.at (--regexp-syntax): Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/m4private.h (includes): Use "quotearg.h".
* src/main.c (process_file, main): Use nicer quotes for file name
in error messages.
* m4/input.c (file_clean, m4_push_file): Likewise.
* m4/module.c (m4__module_open): Likewise.
* src/freeze.c (produce_frozen_state, reload_frozen_state):
Likewise.
* modules/gnu.c (debugfile): Likewise.
* modules/m4.c (undivert, include): Likewise.
* tests/others.at (directory, stdin closed): Update tests.
* tests/options.at (file names, --debugmode): Likewise.
* doc/m4.texinfo (Debugmode): Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit 5116db0fcd37e4480062b4819dca17a98a7890d7)
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* modules/m4.c: Fix typos in comments.
* m4/input.c: Likewise.
* src/main.c: Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* ltdl/m4/gnulib-cache.m4: Import verify module.
* m4/m4module.h (M4_DEBUG_TRACE_DEREF, M4_DEBUG_TRACE_INITIAL):
New values.
(M4_DEBUG_TRACE_VERBOSE, M4_DEBUG_TRACE_DEFAULT): Adjust.
* m4/m4.c (m4_create): Start with debugmode = d.
* src/main.c (usage): Mention this.
(main): Let -E impact debug mode.
* m4/utility.c (m4_symbol_value_lookup): Squelch undefined warning
if flag is clear.
* modules/gnu.c (builtin, inder): Likewise.
* m4/debug.c (m4_debug_decode): Parse new mode.
* src/freeze.c (produce_debugmode_state): Accomodate new mode.
* doc/m4.texinfo (Debugging options): Mention change in the
default behavior.
(Debugmode): Mention new flag d.
(Operation modes): Mention interaction with -E.
(Undefine, Defn, Pushdef, Indir, Builtin, Dumpdef): Document and
test its effect.
* tests/options.at (--debugmode): Update tests.
* tests/freeze.at (reloading debugmode): Likewise.
* NEWS: Document this.
Reported by Ralf Wildenhues; without this patch, M4 1.6+ would be
incompatible with Autoconf 2.62.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/m4module.h (m4_debug_decode): Simplify interface.
* m4/debug.c (m4_debug_decode): Remove parameter, and handle
setting the new value.
* modules/gnu.c (debugmode): Adjust caller.
* src/freeze.c (reload_frozen_state): Likewise.
* src/main.c (main): Likewise.
(usage): Fix default for --debug.
* doc/m4.texinfo (Debugging options): Add an example.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* src/main.c (DIVERSIONS_OPTION): Delete.
(long_options, OPTSTRING, main): Remove -N/--diversions option.
* doc/m4.texinfo (Limits control): Remove it from the manual.
* NEWS: Mention that it is gone.
* tests/options.at (deprecated options): Update test.
Signed-off-by: Eric Blake <ebb9@byu.net>
(cherry picked from commit b8829779ba82826040f16fe78420f0e5a2fe881e)
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* m4/m4module.h (m4_arg_len): Add parameter.
(M4ARGLEN): Provide default for the parameter.
* m4/m4private.h (includes): Share xmemdup0.h among all libm4
files.
* m4/macro.c (m4_arg_len): Fail if builtins are not flattened.
* m4/syntax.c (includes): Rely on m4private.h for xmemdup0.
* m4/symtab.c (includes): Likewise.
(m4_symbol_value_copy): Use xmemdup0.
* m4/module.c (install_macro_table): Likewise.
* src/freeze.c (reload_frozen_state): Likewise.
* tests/freeze.at (reloading nul): Enhance test.
* tests/null.m4: Likewise.
* tests/null.err: Update expected output.
* tests/null.out: Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/m4module.h (m4_set_quotes, m4_set_comment, m4_set_syntax):
Add parameter.
(m4_reset_syntax): New prototype.
* m4/syntax.c (add_syntax_set, subtract_syntax_set)
(set_syntax_set, m4_set_quotes, m4_set_comment): Add parameter, to
handle embedded NUL.
(m4_set_syntax): Likewise. Also, split code to reset the table...
(m4_reset_syntax): ...into a new function.
(m4_syntax_create): Adjust callers.
* m4/input.c (match_input, MATCH): Add parameter.
(m4__next_token, m4__next_token_is_open): Adjust callers.
* modules/m4.h (m4_expand_ranges_func): Add parameter.
* modules/m4.c (dumpdef): Handle NUL in dumped quotes.
(changequote, changecom, translit, m4_expand_ranges): Track
delimiter length.
* modules/gnu.c (changesyntax): Handle embedded NUL.
* src/freeze.c (reload_frozen_state): Adjust callers.
* tests/freeze.at (reloading nul): Enhance test.
* tests/null.m4: Likewise.
* tests/null.out: Update expected output.
* tests/null.err: Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/m4module.h (m4_symtab_apply_func, m4_symbol_lookup)
(m4_symbol_pushdef, m4_symbol_define, m4_symbol_popdef)
(m4_symbol_rename, m4_symbol_delete): Add length parameter.
(m4_string): New type.
* ltdl/m4/gnulib-cache.m4: Import xmemdup0 module.
* m4/hash.c (m4_hash_string_hash, m4_hash_string_cmp): Account for
length.
* m4/symtab.c (m4_symtab_delete, m4_symtab_apply, symtab_fetch)
(m4__symtab_remove_module_references, symbol_destroy_CB)
(m4_symbol_lookup, m4_symbol_pushdef, m4_symbol_define)
(m4_symbol_popdef, m4_symbol_rename, m4_set_symbol_name_traced)
(m4_symbol_delete): Likewise.
* modules/m4.h (struct m4_dump_symbol_data): Adjust type to allow
passing length.
* m4/macro.c (expand_token): Adjust all callers.
* m4/module.c (install_builtin_table, install_macro_table):
Likewise.
* m4/utility.c (m4_symbol_value_lookup): Likewise.
* modules/gnu.c (indir, renamesyms, m4symbols): Likewise.
* modules/m4.c (define, undefine, pushdef, popdef)
(dumpdef_cmp_CB, dump_symbol_CB, m4_dump_symbols, dumpdef)
(traceon, traceoff): Likewise.
* src/main.c (main): Likewise.
* src/freeze.c (dump_symbol_CB, reload_frozen_state): Likewise.
* tests/freeze.at (reloading nul): Augment test.
* tests/null.out: Adjust expected output.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/m4module.h (m4_error, m4_warn): Change parameter type.
(m4_error_at_line, m4_warn_at_line): Delete.
(m4_debug_set_output, m4_skip_line, m4_bad_argc, m4_numeric_arg)
(m4_parse_truth_arg, m4_symbol_value_lookup): Adjust all clients.
* m4/m4private.h (m4__next_token): Likewise.
* m4/utility.c (m4_verror_at_line): Alter parameter, and use
caller's location if caller is provided.
(m4_error, m4_warn): Change parameter type.
(m4_error_at_line, m4_warn_at_line): Delete.
(m4_bad_argc, m4_numeric_arg, m4_parse_truth_arg)
(m4_symbol_value_lookup): Adjust all callers.
* m4/debug.c (set_debug_file, m4_debug_set_output): Likewise.
* m4/input.c (m4_skip_line, m4__next_token): Likewise.
* m4/macro.c (expand_argument, collect_arguments, m4_macro_call)
(process_macro): Likewise.
* modules/m4.h (m4_make_temp_func): Likewise.
* modules/evalparse.c (m4_evaluate): Likewise.
* modules/format.c (arg_int, arg_long, arg_double, format):
Likewise.
* modules/gnu.c (builtin, changeresyntax, changesyntax, debugfile)
(debuglen, debugmode, esyscmd, indir, mkdtemp, patsubst, regexp)
(renamesyms, syncoutput, regexp_compile, substitute)
(regexp_substitute, m4_resyntax_encode_safe): Likewise.
* modules/m4.c (define, undefine, pushdef, popdef, ifdef, ifelse)
(m4_dump_symbols, defn, syscmd, incr, decr, divert, undivert, dnl)
(include, maketemp, mkstemp, m4exit, traceon, traceoff, substr):
Likewise.
* modules/stdlib.c (setenv, getpwuid, srand): Likewise.
* modules/time.c (ctime, gmtime, localtime, mktime, strftime):
Likewise.
* tests/options.at (--syncoutput): Add test for invalid
command-line argument. Split xfailed portion...
(--syncoutput and diversions): ...into new test.
(unknown option): New test.
* tests/freeze.at (reloading unknown builtin): Update expected
output.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/debug.c (m4_debug_decode): Make empty debugmode additive.
* src/main.c (main): Interleave -d with files.
* tests/options.at (--debugmode): Update test.
* tests/freeze.at (reloading debugmode): New test.
* doc/m4.texinfo (Debugging options, Debugmode): Document the
change.
* NEWS: Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* src/freeze.c (produce_frozen_state): Detect write failures.
(reload_frozen_state): Use close_stream.
* tests/freeze.at (freezing failure): New test.
* THANKS: Update.
Reported by Jean-Charles Longuet.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* src/freeze.c (dump_symbol_CB): Add newline to 'T', 'F'.
(produce_frozen_state): Likewise for 'Q', 'C'.
(reload_frozen_state): Parse the new layout.
[GET_DIRECTIVE]: Fix format 1 regression from 2008-05-13.
* tests/freeze.at (loading format 2): Rewrite to new format.
(reloading unknown builtin): Likewise.
(loading format 1): Make sure backslash-newline is not
interpreted.
* doc/m4.texinfo (Frozen file format 2): Document the format.
* NEWS: Document this change.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* ltdl/m4/gnulib-cache.m4: Import propername module.
* src/main.c (AUTHORS): Rewrite in terms of proper_name.
* po/Makevars (XGETTEXT_OPTIONS): Detect new functions.
* HACKING: Mention new prerequisite of gperf.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* src/freeze.c (produce_symbol_dump): Let undefined traced macros
through.
(dump_symbol_CB): Also freeze trace state.
* tests/freeze.at (reloading traced macros): New test.
* doc/m4.texinfo (Using frozen files): Update documentation to
mention new state.
(Frozen file format 1): Improve synchronization with branch.
(Frozen file format 2): Reorder directives, and add `d', `t'.
* NEWS: Document this change.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* src/freeze.c (dump_symbol_CB): Push all values on the stack, not
just the current definition.
(reverse_symbol_value_stack): New helper method.
* tests/freeze.at (AT_TEST_FREEZE): New helper macro.
(reloading pushdef stack): New test.
(reloading unknown builtin): Enhance test.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/output.c (insert_diversion_helper): Add parameter.
(m4_insert_file): Move contents...
(insert_file): ...to this new helper, with added parameter.
(m4_insert_diversion, m4_undivert_all, m4_freeze_diversions):
Update callers.
* src/freeze.c (produce_mem_dump): Simplify.
(produce_syntax_dump, produce_module_dump): Add parameter.
* tests/freeze.at (large diversion): Test for this.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* src/freeze.c (decode_char): Add parameter. Allow \<newline>
line continuations.
(reload_frozen_state): Track current line.
* tests/freeze.at (loading format 1, loading format 2): Update to
test this.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* src/freeze.c (reload_frozen_state) [GET_NUMBER]: Rewrite to fail
immediately on overflow.
* tests/freeze.at (loading format 2): Test this.
Reported by Jim Meyering.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/m4module.h (m4_input_block): Remove.
(m4_call_info): New opaque type.
(m4_trace_prepare, m4_arg_info): New prototypes.
(m4_macro_call, m4_push_string_finish, m4_input_print): Change
prototypes.
* m4/m4private.h (struct m4_macro_args): Add info field.
(struct m4_call_info): New structure.
(m4_arg_info): New accessor.
* m4/input.c (m4_input_block): Make typedef local.
(m4_push_string_init): Initialize length.
(m4_push_string_finish, m4_input_print): Change signature, so that
printing can be done before finalization.
(struct input_funcs): Add parameter to print_func.
(file_print, string_print, composite_print): Adjust accordingly.
* m4/macro.c (trace_header, trace_flush, trace_pre, trace_post):
Change signatures for stacked trace messages, and for using call
context.
(trace_prepre): Export and rename...
(m4_trace_prepare): ...to this, for use by indir. Alter signature
to use call context.
(collect_arguments): Alter signature, to manage new field.
(expand_macro): Change call context management. Move tracing...
(m4_macro_call): ...here. Remove redundant parameter.
(m4_arg_argc): New function.
(m4_make_argv_ref): Replace unused skip parameter with new trace
parameter; manage new field.
* modules/gnu.c (builtin, indir): Adjust callers.
* src/main.c (usage): Update debugmode flag summary.
* tests/null.m4: Enhance test.
* tests/null.err: Update expected output.
* tests/macros.at (Tracing Hanoi Towers): Likewise.
* doc/m4.texinfo (Trace): Mention more about trace formatting.
(Debugmode): Enhance description of 'c' and 'x'. Enhance test to
cover line numbering details in traces.
(Debuglen): Enhance test to cover indir tracing.
* NEWS: Mention these changes.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* tests/builtins.at (divert): Consume all of m4's output, to avoid
spurious write failure.
* src/main.c (main): In batch mode, restore default handling of
SIGPIPE.
* doc/m4.texinfo (Operation modes): Document SIGPIPE behavior.
* THANKS: Update.
Reported by Bob Proulx, via his autobuilder.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* configure.ac (version): New variable, which has nicer version
contents when using git 1.5.5+, hardcoded to 1.9a otherwise.
(TIMESTAMP): Delete, since CVS id expansion died with transition
to git.
(AM_INIT_AUTOMAKE): Use version to decide gnu vs. gnits.
* build-aux/mkstamp: Delete, no longer used.
* Makefile.am (CONFIG_STATUS_DEPENDENCIES): Kill, to speed up
rebuilds when timestamps don't matter.
(MKSTAMP): Delete, no longer used.
(EXTRA_DIST): No longer worry about mkstamp.
(.version): New rule and distributed file.
(doc/m4.1, tests/package.m4): Depend on .version, not
configure.ac, for timestamp.
* ltdl/m4/gnulib-cache.m4: Import git-version-gen module.
* modules/gnu.c (__m4_version__): TIMESTAMP no longer exists.
* src/main.c (main): Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/builtin.c (m4_builtin_find_by_name): Add cast.
* m4/hash.c (m4_hash_new, m4_get_hash_iterator_next, node_new)
(m4_hash_resize, maybe_grow): Likewise.
* m4/m4.c (m4_create): Likewise.
* m4/macro.c (expand_macro): Likewise.
* m4/output.c (m4_tmpname): Likewise.
* m4/path.c (search_path_add): Likewise.
* m4/symtab.c (m4_symtab_create, m4_symbol_value_create)
(symtab_fetch): Likewise.
* m4/syntax.c (m4_syntax_create): Likewise.
* modules/gnu.c (regexp_compile): Likewise.
* src/main.c (main): Likewise.
* src/freeze.c (reload_frozen_state): Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
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Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/m4private.h (CHAR_EOF, CHAR_BUILTIN, CHAR_QUOTE, CHAR_ARGV)
(CHAR_RETRY): Define in terms of UCHAR_MAX.
* m4/syntax.c (m4_syntax_create, set_syntax_set)
(reset_syntax_set, check_is_single_quotes)
(check_is_single_comments, check_is_macro_escaped)
(m4_set_quotes, m4_set_comment): Likewise.
* modules/gnu.c (regexp_compile): Likewise.
* modules/m4.c (translit): Likewise.
* src/freeze.c (produce_syntax_dump): Likewise.
Reported by Ralf Wildenhues.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/utility.c (m4_verror_at_line): Properly escape macro names.
* src/main.c (main): Manage quoteargs defaults.
* doc/m4.texinfo (Indir): Document and test this.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/m4module.h (m4_string_pair): New type.
(m4_get_syntax_quotes, m4_get_syntax_comments): New prototypes.
(m4_symbol_value_print, m4_symbol_print, m4_shipout_string_trunc):
Alter signature.
* m4/m4private.h (struct m4_string): Delete.
(struct m4_syntax_table): Combine quote and comment members.
(m4_get_syntax_lquote, m4_get_syntax_rquote, m4_get_syntax_bcomm)
(m4_get_syntax_ecomm): Adjust accessors.
(m4_get_syntax_quotes, m4_get_syntax_comments): New fast
accessors.
* m4/symtab.c (m4_symbol_value_print, m4_symbol_print):
Alter signatures.
* m4/input.c (string_print, composite_print, m4_input_print):
All callers updated.
* m4/syntax.c (m4_syntax_delete, m4_set_syntax)
(check_is_single_quotes, m4_set_quotes, set_quote_age)
(m4_get_syntax_lquote, m4_get_syntax_rquote)
(m4_get_syntax_quotes, check_is_single_comments, m4_set_comment)
(m4_get_syntax_bcomm, m4_get_syntax_ecomm)
(m4_get_syntax_comments): Likewise.
* m4/macro.c (trace_prepre, trace_pre, m4_push_args): Likewise.
* m4/output.c (m4_shipout_string, m4_shipout_string_trunc):
Likewise.
* modules/m4.c (dumpdef, m4_make_temp): Likewise.
* src/freeze.c (produce_frozen_state): Likewise.
* tests/freeze.at (reloading unknown builtin): Update test.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/m4private.h (m4__push_symbol): New prototype.
(struct m4_symbol_chain): Add const-safety.
* m4/symtab.c (m4_symbol_value_print): Simplify.
(dump_symbol_CB): Update caller.
* m4/input.c (struct m4_input_block): Alter u_c member, first
introduced 2006-10-25, but unused until now.
(composite_peek, composite_read, composite_unget)
(composite_print, init_builtin_token): Rewrite accordingly.
(m4_push_wrapup): No longer need trailing NUL.
(m4__push_symbol, make_text_link): New functions.
(m4_push_string_finish): Use them.
* m4/macro.c (m4_push_arg, m4_push_args): Likewise.
(expand_macro): Simplify logic of nesting_limit.
* src/main.c (main): Likewise.
* doc/m4.texinfo (Dumpdef): Augment test.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/m4module.h (m4_shipout_text): Rename...
(m4_divert_text): ...to this, to avoid confusion with m4_shipout_*
that does not worry about sync lines.
(m4_shipout_string_trunc): New prototype.
* m4/output.c (m4_shipout_text): Rename...
(m4_divert_text): ...to this.
(m4_shipout_string): Move guts...
(m4_shipout_string_trunc): ...to this new function.
* m4/macro.c (m4_push_arg, m4_push_args): New functions.
(expand_token, process_macro): Update callers.
* m4/input.c (string_print): Likewise.
* modules/m4.c (ifdef, ifelse, shift, substr, translit, divert):
Likewise.
* modules/gnu.c (patsubst): Likewise.
(debuglen): Use SIZE_MAX for unlimited debug length.
* src/main.c (main): Likewise.
* m4/m4.c (m4_create): Default max_debug_length to SIZE_MAX, not
zero.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/m4module.h (m4_get_symbol_value_quote_age): New prototype.
(m4_set_symbol_value_text): Adjust prototype.
(m4_has_syntax): Factor out the unsigned char cast.
* m4/m4private.h (struct m4_syntax_table): Add syntax_age and
quote_age members.
(m4__quote_age, m4__safe_quotes): New accessor macros, no need for
functions at this point.
(struct m4_symbol_value, struct m4_macro_args): Add quote_age
member.
(m4_set_symbol_value_text): Adjust fast accessor.
(m4_get_symbol_value_quote_age): New fast accessor.
* m4/symtab.c (m4_set_symbol_value_text): Add parameter.
(m4_get_symbol_value_quote_age): New function.
(m4_symbol_value_copy): Adjust callers.
* m4/macro.c (expand_token): Add parameter, and track quote age.
(expand_argument, collect_arguments): Track quote age.
(m4_macro_expand_input, process_macro, m4_make_argv_ref)
(m4_macro_expand_input): Update callers.
(m4_arg_text, m4_arg_len, m4_arg_func): Abort on type mismatch.
* m4/input.c: Comment cleanups.
(struct m4_input_block): Reduce size.
(m4__next_token): Report quote age.
(m4_push_builtin, init_builtin_token): Update callers.
* m4/utility.c (skip_space): Adjust callers.
* m4/module.c (install_macro_table): Likewise.
* m4/syntax.c (m4_set_syntax): Initialize and update quote age.
(m4_set_quotes, m4_set_comment): Detect no-op changes, and update
quote age.
(set_quote_age): New helper function.
(check_is_single_quotes, check_is_single_comments): Adjust
callers.
* src/freeze.c (reload_frozen_state): Likewise.
* src/main.c (main): Likewise.
* modules/m4.c (define, pushdef): No need to set macro text.
* tests/builtins.at (changequote, defn): New tests.
* examples/wrapfifo.m4: New file.
* examples/wraplifo.m4: New file.
* Makefile.am (dist_pkgdata_DATA): Distribute new examples.
Signed-off-by: Eric Blake <ebb9@byu.net>
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* m4/hash.c (m4_hash_remove): Avoid double free on remove
failure.
* m4/output.c (m4_shipout_string): Change semantics of len param.
(m4_shipout_int): Use cached length.
* m4/input.c (m4_push_string_finish): Likewise.
* modules/m4.h (m4_make_temp_func): Add parameter.
* m4/macro.c (expand_token, m4_arg_len): Use cached length.
(collect_arguments, expand_macro): Alter signature.
(trace_format): Don't use out-of-scope buffer.
(process_macro): All callers changed.
* m4/utility.c (m4_dump_args): Likewise.
* m4/symtab.c (m4_symbol_value_print): Likewise.
* modules/gnu.c (__file__, __program__, builtin, indir)
(m4symbols, mkdtemp, regexp_compile, regexp_substitute,
renamesyms, patsubst, regexp, regexp_compile): Likewise.
* modules/load.c (m4modules): Likewise.
* modules/m4.c (defn, m4wrap, maketemp, m4_make_temp)
(numb_obstack, ifdef, ifelse, divert, len, substr): Likewise.
* modules/perl.c (perleval): Likewise.
* modules/stdlib.c (getcwd, getenv, getlogin, getpwnam, getpwuid)
(hostname, uname, setenv): Likewise.
* modules/mpeval.c (numb_obstack): Likewise.
* src/freeze.c (dump_symbol_CB): Likewise.
* doc/m4.texinfo (Renamesyms, Dumpdef, Changesyntax): Adjust test.
* tests/builtins.at (mkstemp): Likewise.
* tests/others.at (iso8859): XFAIL this test, now that
length-based handling allows NUL through part but not all of M4.
Signed-off-by: Eric Blake <ebb9@byu.net>
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