X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/ea5607fd01a420fe362d6dfc6f9b75d568f2694b..9be0c25bf054b026304e6ec480c3893817625607:/src/getargs.c diff --git a/src/getargs.c b/src/getargs.c index c45f11eb..5789152a 100644 --- a/src/getargs.c +++ b/src/getargs.c @@ -1,5 +1,6 @@ /* Parse command line arguments for bison. - Copyright 1984, 1986, 1989, 1992, 2000 Free Software Foundation, Inc. + Copyright 1984, 1986, 1989, 1992, 2000, 2001, 2002 + Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -18,47 +19,75 @@ Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include -#include "getopt.h" #include "system.h" -#include "files.h" +#include "getopt.h" +#include "argmatch.h" +#include "complain.h" #include "getargs.h" +#include "options.h" +#include "files.h" int debug_flag = 0; int defines_flag = 0; int locations_flag = 0; int no_lines_flag = 0; int no_parser_flag = 0; -int raw_flag = 0; +int report_flag = 0; int token_table_flag = 0; -int verbose_flag = 0; -int statistics_flag = 0; int yacc_flag = 0; /* for -y */ +int graph_flag = 0; +int trace_flag = 0; + +const char *skeleton = NULL; +const char *include = NULL; extern char *program_name; -static struct option longopts[] = +/*----------------------. +| --report's handling. | +`----------------------*/ + +static const char * const report_args[] = { - {"debug", 0, &debug_flag, 1}, - {"defines", 0, &defines_flag, 1}, - {"file-prefix", 1, 0, 'b'}, - {"fixed-output-files", 0, &yacc_flag, 1}, - {"help", 0, 0, 'h'}, - {"name-prefix", 1, 0, 'p'}, /* was 'a'; apparently unused -wjh */ - {"locations", 0, &locations_flag, 1}, - {"no-lines", 0, &no_lines_flag, 1}, - {"no-parser", 0, &no_parser_flag, 1}, - {"output", 1, 0, 'o'}, - {"output-file", 1, 0, 'o'}, - {"raw", 0, &raw_flag, 1}, - {"statistics", 0, &statistics_flag, 1}, - {"token-table", 0, &token_table_flag, 1}, - {"verbose", 0, &verbose_flag, 1}, - {"version", 0, 0, 'V'}, - {"yacc", 0, &yacc_flag, 1}, - {0, 0, 0, 0} + /* In a series of synonyms, present the most meaningful first, so + that argmatch_valid be more readable. */ + "none", + "state", "states", + "itemset", "itemsets", + "lookahead", "lookaheads", + "solved", + "all", + 0 }; +static const int report_types[] = +{ + report_none, + report_states, report_states, + report_states | report_itemsets, report_states | report_itemsets, + report_states | report_lookaheads, report_states | report_lookaheads, + report_states | report_solved_conflicts, + report_all +}; + + +static void +report_argmatch (char *args) +{ + ARGMATCH_ASSERT (report_args, report_types); + args = strtok (args, ","); + do + { + int report = XARGMATCH ("--report", args, + report_args, report_types); + if (report == report_none) + report_flag = report_none; + else + report_flag |= report; + } + while ((args = strtok (NULL, ","))); +} + /*---------------------------. | Display the help message. | `---------------------------*/ @@ -91,12 +120,12 @@ Operation modes:\n\ fputs (_("\ Parser:\n\ + -S, --skeleton=FILE specify the skeleton to use\n\ -t, --debug instrument the parser for debugging\n\ --locations enable locations computation\n\ -p, --name-prefix=PREFIX prepend PREFIX to the external symbols\n\ -l, --no-lines don't generate `#line' directives\n\ -n, --no-parser generate the tables only\n\ - -r, --raw number the tokens from 3\n\ -k, --token-table include a table of token names\n\ "), stream); putc ('\n', stream); @@ -104,9 +133,23 @@ Parser:\n\ fputs (_("\ Output:\n\ -d, --defines also produce a header file\n\ - -v, --verbose also produce an explanation of the automaton\n\ + -r, --report=THINGS also produce details on the automaton\n\ + -v, --verbose same as `--report=state'\n\ -b, --file-prefix=PREFIX specify a PREFIX for output files\n\ - -o, --output-file=FILE leave output to FILE\n"), stream); + -o, --output=FILE leave output to FILE\n\ + -g, --graph also produce a VCG description of the automaton\n\ +"), stream); + putc ('\n', stream); + + fputs (_("\ +THINGS is a list of comma separated words that can include:\n\ + `state' describe the states\n\ + `itemset' complete the core item sets with their closure\n\ + `lookahead' explicitly associate lookaheads to items\n\ + `solved' describe shift/reduce conflicts solving\n\ + `all' include all the above information\n\ + `none' disable the report\n\ +"), stream); putc ('\n', stream); fputs (_("\ @@ -123,14 +166,13 @@ version (FILE *stream) { /* Some efforts were made to ease the translators' task, please continue. */ - fprintf (stream, _("\ -bison (GNU Bison) %s"), VERSION); + fprintf (stream, _("bison (GNU Bison) %s"), VERSION); putc ('\n', stream); + fputs (_("Written by Robert Corbett and Richard Stallman.\n"), stream); putc ('\n', stream); - fputs (_("\ -Copyright 1984, 1986, 1989, 1992, 2000 Free Software Foundation, Inc.\n"), - stream); + fprintf (stream, + _("Copyright (C) %d Free Software Foundation, Inc.\n"), 2002); fputs (_("\ This is free software; see the source for copying conditions. There is NO\n\ @@ -144,78 +186,103 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\ | Process the options. | `----------------------*/ +/* Under DOS, there is no difference on the case. This can be + troublesome when looking for `.tab' etc. */ +#ifdef MSDOS +# define AS_FILE_NAME(File) (strlwr (File), (File)) +#else +# define AS_FILE_NAME(File) (File) +#endif + void getargs (int argc, char *argv[]) { int c; - while ((c = getopt_long (argc, argv, "yvdhrltknVo:b:p:", longopts, (int *)0)) - != EOF) - { - switch (c) - { - case 0: - /* Certain long options cause getopt_long to return 0. */ - break; - - case 'y': - yacc_flag = 1; - break; - - case 'h': - usage (stdout); - exit (0); - - case 'V': - version (stdout); - exit (0); - - case 'v': - verbose_flag = 1; - break; - - case 'd': - defines_flag = 1; - break; - - case 'l': - no_lines_flag = 1; - break; - - case 'k': - token_table_flag = 1; - break; - - case 'r': - raw_flag = 1; - break; - - case 'n': - no_parser_flag = 1; - break; - - case 't': - debug_flag = 1; - break; - - case 'o': - spec_outfile = optarg; - break; - - case 'b': - spec_file_prefix = optarg; - break; - - case 'p': - spec_name_prefix = optarg; - break; - - default: - fprintf (stderr, _("Try `%s --help' for more information.\n"), - program_name); - exit (1); - } - } + struct option *longopts = long_option_table_new (); + while ((c = getopt_long (argc, argv, shortopts, longopts, NULL)) != EOF) + switch (c) + { + case 0: + /* Certain long options cause getopt_long to return 0. */ + break; + + case 'y': + yacc_flag = 1; + break; + + case 'h': + usage (stdout); + exit (0); + + case 'V': + version (stdout); + exit (0); + + case 'g': + /* Here, the -g and --graph=FILE options are differentiated. */ + graph_flag = 1; + spec_graph_file = AS_FILE_NAME (optarg); + break; + + case 'v': + report_flag |= report_states; + break; + + case 'S': + skeleton = AS_FILE_NAME (optarg); + break; + + case 'I': + include = AS_FILE_NAME (optarg); + break; + + case 'd': + /* Here, the -d and --defines options are differentiated. */ + defines_flag = 1; + if (optarg) + spec_defines_file = AS_FILE_NAME (optarg); + break; + + case 'l': + no_lines_flag = 1; + break; + + case 'k': + token_table_flag = 1; + break; + + case 'n': + no_parser_flag = 1; + break; + + case 't': + debug_flag = 1; + break; + + case 'o': + spec_outfile = AS_FILE_NAME (optarg); + break; + + case 'b': + spec_file_prefix = AS_FILE_NAME (optarg); + break; + + case 'p': + spec_name_prefix = optarg; + break; + + case 'r': + report_argmatch (optarg); + break; + + default: + fprintf (stderr, _("Try `%s --help' for more information.\n"), + program_name); + exit (1); + } + + free (longopts); if (optind == argc) {