diff options
Diffstat (limited to 'ACE/apps/gperf/src/Options.cpp')
| -rw-r--r-- | ACE/apps/gperf/src/Options.cpp | 230 |
1 files changed, 98 insertions, 132 deletions
diff --git a/ACE/apps/gperf/src/Options.cpp b/ACE/apps/gperf/src/Options.cpp index 4e1ff23da1f..53526d3cad1 100644 --- a/ACE/apps/gperf/src/Options.cpp +++ b/ACE/apps/gperf/src/Options.cpp @@ -1,43 +1,38 @@ // -*- C++ -*- -// $Id$ - -// Handles parsing the Options provided to the user. - -// Copyright (C) 1989 Free Software Foundation, Inc. -// written by Douglas C. Schmidt (schmidt@cs.wustl.edu) - -// This file is part of GNU GPERF. - -// 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 2 -// of the License, 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. +/** + * $Id$ + * + * Copyright (C) 1989 Free Software Foundation, Inc. + * written by Douglas C. Schmidt (schmidt@cs.wustl.edu) + * + * This file is part of GNU GPERF. + * + * 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 2 + * of the License, 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. + */ #include "Options.h" - -ACE_RCSID(src, Options, "$Id$") - -#if defined (ACE_HAS_GPERF) - #include "ace/Get_Opt.h" #include "Iterator.h" #include "ace/OS_NS_stdio.h" #include "ace/OS_NS_string.h" #include "ace/OS_NS_stdlib.h" -// These need to appear before the global class instantiation, since -// they are static members with a default constructor that initializes -// an ACE_Allocator needed in the Options class constructor. +/// These need to appear before the global class instantiation, since +/// they are static members with a default constructor that initializes +/// an ACE_Allocator needed in the Options class constructor. ACE_CString Options::function_name_; ACE_CString Options::fill_default_; ACE_CString Options::key_name_; @@ -45,31 +40,31 @@ ACE_CString Options::class_name_; ACE_CString Options::hash_name_; ACE_CString Options::delimiters_; -// Global option coordinator for the entire program. +/// Global option coordinator for the entire program. Options option; -// Current program version. +/// Current program version. extern const char *version_string; -// Size to jump on a collision. +/// Size to jump on a collision. static const int DEFAULT_JUMP_VALUE = 5; -// Default name for generated lookup function. +/// Default name for generated lookup function. static const char *const DEFAULT_NAME = "in_word_set"; -// Default filler for keyword table. +/// Default filler for keyword table. static const char *const DEFAULT_FILL = ""; -// Default name for the key component. +/// Default name for the key component. static const char *const DEFAULT_KEY = "name"; -// Default name for the generated class. +/// Default name for the generated class. static const char *const DEFAULT_CLASS_NAME = "Perfect_Hash"; -// Default name for generated hash function. +/// Default name for generated hash function. static const char *const DEFAULT_HASH_NAME = "hash"; -// Default delimiters that separate keywords from their attributes. +/// Default delimiters that separate keywords from their attributes. static const char *const DEFAULT_DELIMITERS = ",\n"; int Options::option_word_; @@ -84,8 +79,7 @@ ACE_TCHAR **Options::argv_; int Options::iterations_; char Options::key_positions_[MAX_KEY_POS]; -// Prints program usage to standard error stream. - +/// Prints program usage to standard error stream. void Options::usage (void) { @@ -96,35 +90,32 @@ Options::usage (void) "(type %n -h for help)\n")); } -// Output command-line Options. - +/// Output command-line Options. void Options::print_options (void) { - int i; - ACE_OS::printf ("/* Command-line: "); - for (i = 0; i < argc_; i++) + for (int i = 0; i < argc_; i++) ACE_OS::printf ("%s ", - argv_[i]); + ACE_TEXT_ALWAYS_CHAR (argv_[i])); ACE_OS::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. - +/// 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. int Options::key_sort (char *base, int len) { - int i, j; - + int j = 0; + int i = 0; for (i = 0, j = len - 1; i < j; i++) { - int curr, tmp; + int curr = 0; + int tmp = 0; for (curr = i + 1, tmp = base[curr]; curr > 0 && tmp >= base[curr - 1]; @@ -159,13 +150,12 @@ Options::Options (void) initial_asso_value_ = iterations_ = 0; } -// Dumps option status when debug is set. - +/// Dumps option status when debug is set. Options::~Options (void) { if (ACE_BIT_ENABLED (option_word_, DEBUGGING)) { - char *ptr; + char *ptr = 0; ACE_OS::fprintf (stderr, "\ndumping Options:" @@ -194,14 +184,14 @@ Options::~Options (void) "\nLINEARSEARCH is: %s" "\nBINARYSEARCH is: %s" "\niterations = %d" - "\nlookup function name = %C" - "\nfill default = %C" - "\nhash function name = %C" - "\nkey name = %C" + "\nlookup function name = %s" + "\nfill default = %s" + "\nhash function name = %s" + "\nkey name = %s" "\njump value = %d" "\nmax associcated value = %d" "\ninitial associated value = %d" - "\ndelimiters = %C" + "\ndelimiters = %s" "\nnumber of switch statements = %d" "\n", ACE_BIT_ENABLED (option_word_, DEBUGGING) ? "enabled" : "disabled", @@ -256,25 +246,21 @@ Options::~Options (void) } } -// Parses the command line Options and sets appropriate flags in -// option_word_. - +/// Parses the command line Options and sets appropriate flags in +/// option_word_. int Options::parse_args (int argc, ACE_TCHAR *argv[]) { if (ACE_LOG_MSG->open (argv[0]) == -1) return -1; - //FUZZ: disable check_for_lack_ACE_OS - ACE_Get_Opt getopt (argc, argv, ACE_TEXT("abBcCdDe:Ef:F:gGhH:i:IJj:k:K:lL:mMnN:oOprs:S:tTvVZ:")); - //FUZZ: enable check_for_lack_ACE_OS - - int option_char; + ACE_Get_Opt get_opt (argc, argv, ACE_TEXT("abBcCdDe:Ef:F:gGhH:i:IJj:k:K:lL:mMnN:oOprs:S:tTvVZ:")); argc_ = argc; argv_ = argv; - while ((option_char = getopt ()) != -1) + int option_char; + while ((option_char = get_opt ()) != -1) { switch (option_char) { @@ -326,7 +312,7 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) // Allows user to provide keyword/attribute separator case 'e': { - delimiters_ = ACE_TEXT_ALWAYS_CHAR(getopt.opt_arg ()); + delimiters_ = ACE_TEXT_ALWAYS_CHAR(get_opt.opt_arg ()); break; } case 'E': @@ -338,7 +324,7 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) case 'f': { ACE_SET_BITS (option_word_, FAST); - iterations_ = ACE_OS::atoi (getopt.opt_arg ()); + iterations_ = ACE_OS::atoi (get_opt.opt_arg ()); if (iterations_ < 0) { ACE_ERROR ((LM_ERROR, "iterations value must not be negative, assuming 0\n")); @@ -458,13 +444,13 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) // Sets the name for the hash function. case 'H': { - hash_name_ = ACE_TEXT_ALWAYS_CHAR(getopt.opt_arg ()); + hash_name_ = ACE_TEXT_ALWAYS_CHAR(get_opt.opt_arg ()); break; } // Sets the initial value for the associated values array. case 'i': { - initial_asso_value_ = ACE_OS::atoi (getopt.opt_arg ()); + initial_asso_value_ = ACE_OS::atoi (get_opt.opt_arg ()); if (initial_asso_value_ < 0) ACE_ERROR ((LM_ERROR, "Initial value %d should be non-zero, ignoring and continuing.\n", @@ -482,7 +468,7 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) // Sets the jump value, must be odd for later algorithms. case 'j': { - jump_ = ACE_OS::atoi (getopt.opt_arg ()); + jump_ = ACE_OS::atoi (get_opt.opt_arg ()); if (jump_ < 0) ACE_ERROR_RETURN ((LM_ERROR, "Jump value %d must be a positive number.\n%r", @@ -506,7 +492,7 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) { const int BAD_VALUE = -1; int value; - Iterator expand (ACE_TEXT_ALWAYS_CHAR(getopt.opt_arg ()), + Iterator expand (ACE_TEXT_ALWAYS_CHAR(get_opt.opt_arg ()), 1, MAX_KEY_POS - 1, WORD_END, @@ -514,7 +500,7 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) EOS); // Use all the characters for hashing!!!! - if (*getopt.opt_arg () == '*') + if (*get_opt.opt_arg () == '*') option_word_ = (option_word_ & ~DEFAULTCHARS) | ALLCHARS; else { @@ -555,7 +541,7 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) // Make this the keyname for the keyword component field. case 'K': { - key_name_ = ACE_TEXT_ALWAYS_CHAR(getopt.opt_arg ()); + key_name_ = ACE_TEXT_ALWAYS_CHAR(get_opt.opt_arg ()); break; } // Create length table to avoid extra string compares. @@ -568,15 +554,15 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) case 'L': { option_word_ &= ~C; - if (!ACE_OS::strcmp (getopt.opt_arg (), ACE_TEXT("C++"))) + if (!ACE_OS::strcmp (get_opt.opt_arg (), ACE_TEXT("C++"))) ACE_SET_BITS (option_word_, (CPLUSPLUS | ANSI)); - else if (!ACE_OS::strcmp (getopt.opt_arg (), ACE_TEXT("C"))) + else if (!ACE_OS::strcmp (get_opt.opt_arg (), ACE_TEXT("C"))) ACE_SET_BITS (option_word_, C); else { ACE_ERROR ((LM_ERROR, "unsupported language option %s, defaulting to C\n", - getopt.opt_arg ())); + get_opt.opt_arg ())); ACE_SET_BITS (option_word_, C); } break; @@ -602,13 +588,13 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) // Make generated lookup function name be.opt_arg () case 'N': { - function_name_ = ACE_TEXT_ALWAYS_CHAR(getopt.opt_arg ()); + function_name_ = ACE_TEXT_ALWAYS_CHAR(get_opt.opt_arg ()); break; } // Make fill_default be.opt_arg () case 'F': { - fill_default_ = ACE_TEXT_ALWAYS_CHAR(getopt.opt_arg ()); + fill_default_ = ACE_TEXT_ALWAYS_CHAR(get_opt.opt_arg ()); break; } // Order input by frequency of key set occurrence. @@ -641,7 +627,7 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) // Range of associated values, determines size of final table. case 's': { - size_ = ACE_OS::atoi (getopt.opt_arg ()); + size_ = ACE_OS::atoi (get_opt.opt_arg ()); if (abs (size_) > 50) ACE_ERROR ((LM_ERROR, "%d is excessive, did you really mean this?! (type %n -h for help)\n", @@ -652,11 +638,11 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) case 'S': { ACE_SET_BITS (option_word_, SWITCH); - total_switches_ = ACE_OS::atoi (getopt.opt_arg ()); + total_switches_ = ACE_OS::atoi (get_opt.opt_arg ()); if (total_switches_ <= 0) ACE_ERROR_RETURN ((LM_ERROR, "number of switches %s must be a positive number\n%r", - getopt.opt_arg (), + get_opt.opt_arg (), &Options::usage), -1); break; @@ -690,7 +676,7 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) // Set the class name. case 'Z': { - class_name_ = ACE_TEXT_ALWAYS_CHAR(getopt.opt_arg ()); + class_name_ = ACE_TEXT_ALWAYS_CHAR(get_opt.opt_arg ()); break; } default: @@ -702,16 +688,16 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) } - if (argv[getopt.opt_ind ()] && - ACE_OS::freopen (argv[getopt.opt_ind ()], + if (argv[get_opt.opt_ind ()] && + ACE_OS::freopen (argv[get_opt.opt_ind ()], ACE_TEXT("r"), stdin) == 0) ACE_ERROR_RETURN ((LM_ERROR, "Cannot open keyword file %p\n%r", - argv[getopt.opt_ind ()], + argv[get_opt.opt_ind ()], &Options::usage), -1); - if (getopt.opt_ind () + 1 < argc) + if (get_opt.opt_ind () + 1 < argc) ACE_ERROR_RETURN ((LM_ERROR, "Extra trailing arguments to %n.\n%r", usage), @@ -719,24 +705,21 @@ Options::parse_args (int argc, ACE_TCHAR *argv[]) return 0; } -// True if option enable, else false. - +/// True if option enable, else false. int Options::operator[] (Option_Type option) { return ACE_BIT_ENABLED (option_word_, option); } -// Enables option OPT. - +/// Enables option OPT. void Options::operator = (enum Option_Type opt) { ACE_SET_BITS (option_word_, opt); } -// Disables option OPT. - +/// Disables option OPT. bool Options::operator != (enum Option_Type opt) { @@ -746,132 +729,115 @@ Options::operator != (enum Option_Type opt) return true; } -// Initializes the key Iterator. - +/// Initializes the key Iterator. void Options::reset (void) { key_pos_ = 0; } -// Returns current key_position and advanced index. - +/// Returns current key_position and advanced index. int Options::get (void) { return key_positions_[key_pos_++]; } -// Sets the size of the table size. - +/// Sets the size of the table size. void Options::asso_max (int r) { size_ = r; } -// Returns the size of the table size. - +/// Returns the size of the table size. int Options::asso_max (void) { return size_; } -// Returns total distinct key positions. - +/// Returns total distinct key positions. u_int Options::max_keysig_size (void) { return total_keysig_size_; } -// Sets total distinct key positions. - +/// Sets total distinct key positions. void Options::keysig_size (u_int a_size) { total_keysig_size_ = a_size; } -// Returns the jump value. - +/// Returns the jump value. int Options::jump (void) { return jump_; } -// Returns the generated function name. - +/// Returns the generated function name. const char * Options::function_name (void) { return function_name_.c_str (); } -// Returns the fill default - +/// Returns the fill default const char * Options::fill_default (void) { return fill_default_.c_str (); } -// Returns the keyword key name. - +/// Returns the keyword key name. const char * Options::key_name (void) { return key_name_.c_str (); } -// Returns the hash function name. - +/// Returns the hash function name. const char * Options::hash_name (void) { return hash_name_.c_str (); } -// Returns the generated class name. - +/// Returns the generated class name. const char * Options::class_name (void) { return class_name_.c_str (); } -// Returns the initial associated character value. - +/// Returns the initial associated character value. int Options::initial_value (void) { return initial_asso_value_; } -// Returns the iterations value. - +/// Returns the iterations value. int Options::iterations (void) { return iterations_; } -// Returns the string used to delimit keywords from other attributes. - +/// Returns the string used to delimit keywords from other attributes. const char * Options::delimiter (void) { return delimiters_.c_str (); } -// Gets the total number of switch statements to generate. - +/// Gets the total number of switch statements to generate. int Options::total_switches (void) { return total_switches_; } -#endif /* ACE_HAS_GPERF */ |