X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/34d419381579dd30642e5646aaeaece36207be94..e34e97bcd736ab3193bfd3abd4162db3b159836d:/src/getargs.c diff --git a/src/getargs.c b/src/getargs.c index 322e0b42..1185e409 100644 --- a/src/getargs.c +++ b/src/getargs.c @@ -1,7 +1,7 @@ /* Parse command line arguments for Bison. - Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, - 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. + Copyright (C) 1984, 1986, 1989, 1992, 2000-2012 Free Software + Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -26,7 +26,6 @@ #include #include #include -#include /* Hack to get to declare getopt with a prototype. */ #if lint && ! defined __GNU_LIBRARY__ @@ -41,10 +40,13 @@ # undef HACK_FOR___GNU_LIBRARY___PROTOTYPE #endif +#include + #include "complain.h" #include "files.h" #include "getargs.h" -#include "muscle_tab.h" +#include "muscle-tab.h" +#include "quote.h" #include "uniqstr.h" bool debug_flag; @@ -63,7 +65,8 @@ bool glr_parser = false; int report_flag = report_none; int trace_flag = trace_none; -int warnings_flag = warnings_none; +int warnings_flag = warnings_conflicts_sr | warnings_conflicts_rr + | warnings_other; static struct bison_language const valid_languages[] = { { "c", "c-skel.m4", ".c", ".h", true }, @@ -78,40 +81,52 @@ int language_prio = default_prio; struct bison_language const *language = &valid_languages[0]; const char *include = NULL; -char *program_name; - /** Decode an option's set of keys. * * \param option option being decoded. * \param keys array of valid subarguments. * \param values array of corresponding (int) values. + * \param all the all value. * \param flags the flags to update - * \param args colon separated list of effective subarguments to decode. + * \param args comma separated list of effective subarguments to decode. * If 0, then activate all the flags. * - * The special value 0 resets the flags to 0. + * If VALUE != 0 then KEY sets flags and no-KEY clears them. + * If VALUE == 0 then KEY clears all flags from \c all and no-KEY sets all + * flags from \c all. Thus no-none = all and no-all = none. */ static void flags_argmatch (const char *option, const char * const keys[], const int values[], - int *flags, char *args) + int all, int *flags, char *args) { if (args) { args = strtok (args, ","); while (args) { - int value = XARGMATCH (option, args, keys, values); + int no = strncmp (args, "no-", 3) == 0 ? 3 : 0; + int value = XARGMATCH (option, args + no, keys, values); if (value == 0) - *flags = 0; + { + if (no) + *flags |= all; + else + *flags &= ~all; + } else - *flags |= value; + { + if (no) + *flags &= ~value; + else + *flags |= value; + } args = strtok (NULL, ","); } } else - *flags = ~0; + *flags |= all; } /** Decode a set of sub arguments. @@ -121,11 +136,12 @@ flags_argmatch (const char *option, * * \arg FlagName_args the list of keys. * \arg FlagName_types the list of values. + * \arg FlagName_all the all value. * \arg FlagName_flag the flag to update. */ #define FLAGS_ARGMATCH(FlagName, Args) \ flags_argmatch ("--" #FlagName, FlagName ## _args, FlagName ## _types, \ - &FlagName ## _flag, Args) + FlagName ## _all, &FlagName ## _flag, Args) /*----------------------. @@ -219,6 +235,9 @@ static const char * const warnings_args[] = "none - no warnings", "midrule-values - unset or unused midrule values", "yacc - incompatibilities with POSIX Yacc", + "conflicts-sr - S/R conflicts", + "conflicts-rr - R/R conflicts", + "other - all other warnings", "all - all of the above", "error - warnings are errors", 0 @@ -229,6 +248,9 @@ static const int warnings_types[] = warnings_none, warnings_midrule_values, warnings_yacc, + warnings_conflicts_sr, + warnings_conflicts_rr, + warnings_other, warnings_all, warnings_error }; @@ -257,8 +279,9 @@ usage (int status) printf (_("Usage: %s [OPTION]... FILE\n"), program_name); fputs (_("\ -Generate a deterministic or GLR parser employing LALR(1), IELR(1), or\n\ -canonical LR(1) parser tables.\n\ +Generate a deterministic LR or generalized LR (GLR) parser employing\n\ +LALR(1), IELR(1), or canonical LR(1) parser tables. IELR(1) and\n\ +canonical LR(1) support is experimental.\n\ \n\ "), stdout); @@ -272,12 +295,12 @@ The same is true for optional arguments.\n\ fputs (_("\ \n\ Operation modes:\n\ - -h, --help display this help and exit\n\ - -V, --version output version information and exit\n\ - --print-localedir output directory of locale-dependent data\n\ - --print-datadir output directory of skeletons and XSLT\n\ - -y, --yacc emulate POSIX Yacc\n\ - -W, --warnings[=CATEGORY] report the warnings falling in CATEGORY\n\ + -h, --help display this help and exit\n\ + -V, --version output version information and exit\n\ + --print-localedir output directory containing locale-dependent data\n\ + --print-datadir output directory containing skeletons and XSLT\n\ + -y, --yacc emulate POSIX Yacc\n\ + -W, --warnings[=CATEGORY] report the warnings falling in CATEGORY\n\ \n\ "), stdout); @@ -300,16 +323,16 @@ Parser:\n\ * won't assume that -d also takes an argument. */ fputs (_("\ Output:\n\ - --defines[=FILE] also produce a header file\n\ - -d likewise but cannot specify FILE (for POSIX)\n\ - -r, --report=THINGS also produce details on the automaton\n\ - --report-file=FILE write report to FILE\n\ - -v, --verbose same as `--report=state'\n\ - -b, --file-prefix=PREFIX specify a PREFIX for output files\n\ - -o, --output=FILE leave output to FILE\n\ - -g, --graph[=FILE] also output a graph of the automaton\n\ - -x, --xml[=FILE] also output an XML report of the automaton\n\ - (the XML schema is experimental)\n\ + --defines[=FILE] also produce a header file\n\ + -d likewise but cannot specify FILE (for POSIX Yacc)\n\ + -r, --report=THINGS also produce details on the automaton\n\ + --report-file=FILE write report to FILE\n\ + -v, --verbose same as `--report=state'\n\ + -b, --file-prefix=PREFIX specify a PREFIX for output files\n\ + -o, --output=FILE leave output to FILE\n\ + -g, --graph[=FILE] also output a graph of the automaton\n\ + -x, --xml[=FILE] also output an XML report of the automaton\n\ + (the XML schema is experimental)\n\ \n\ "), stdout); @@ -317,6 +340,9 @@ Output:\n\ Warning categories include:\n\ `midrule-values' unset or unused midrule values\n\ `yacc' incompatibilities with POSIX Yacc\n\ + `conflicts-sr' S/R conflicts (enabled by default)\n\ + `conflicts-rr' R/R conflicts (enabled by default)\n\ + `other' all other warnings (enabled by default)\n\ `all' all the warnings\n\ `no-CATEGORY' turn off warnings in CATEGORY\n\ `none' turn off all the warnings\n\ @@ -392,20 +418,20 @@ language_argmatch (char const *arg, int prio, location loc) { int i; for (i = 0; valid_languages[i].language[0]; i++) - if (c_strcasecmp (arg, valid_languages[i].language) == 0) - { - language_prio = prio; - language = &valid_languages[i]; - return; - } - msg = _("invalid language `%s'"); + if (c_strcasecmp (arg, valid_languages[i].language) == 0) + { + language_prio = prio; + language = &valid_languages[i]; + return; + } + msg = _("%s: invalid language"); } else if (language_prio == prio) msg = _("multiple language declarations are invalid"); else return; - complain_at (loc, msg, arg); + complain_at (loc, msg, quotearg_colon (arg)); } /*----------------------. @@ -536,7 +562,7 @@ getargs (int argc, char *argv[]) case 'F': /* -FNAME[=VALUE]. */ { char* name = optarg; - char* value = strchr (optarg, '='); + char* value = mbschr (optarg, '='); if (value) *value++ = 0; muscle_percent_define_insert (name, command_line_location (), @@ -569,10 +595,7 @@ getargs (int argc, char *argv[]) exit (EXIT_SUCCESS); case 'W': - if (optarg) - FLAGS_ARGMATCH (warnings, optarg); - else - warnings_flag |= warnings_all; + FLAGS_ARGMATCH (warnings, optarg); break; case 'b': @@ -656,9 +679,9 @@ getargs (int argc, char *argv[]) if (argc - optind != 1) { if (argc - optind < 1) - error (0, 0, _("missing operand after `%s'"), argv[argc - 1]); + error (0, 0, _("%s: missing operand"), quotearg_colon (argv[argc - 1])); else - error (0, 0, _("extra operand `%s'"), argv[optind + 1]); + error (0, 0, _("extra operand %s"), quote (argv[optind + 1])); usage (EXIT_FAILURE); }