/* Parse command line arguments for bison.
- Copyright (C) 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.
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
-#include <stdio.h>
-#include "getopt.h"
#include "system.h"
+#include "getopt.h"
+#include "argmatch.h"
+#include "complain.h"
+#include "getargs.h"
+#include "options.h"
#include "files.h"
-int verboseflag;
-int definesflag;
-int debugflag;
-int nolinesflag;
-int noparserflag = 0;
-int toknumflag = 0;
-int rawtoknumflag = 0;
-char *spec_name_prefix; /* for -p. */
-char *spec_file_prefix; /* for -b. */
-extern int fixed_outfiles;/* for -y */
+int debug_flag = 0;
+int defines_flag = 0;
+int locations_flag = 0;
+int no_lines_flag = 0;
+int no_parser_flag = 0;
+int report_flag = 0;
+int token_table_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;
-extern void warns PARAMS((char *, char *)); /* main.c */
+/*----------------------.
+| --report's handling. |
+`----------------------*/
+
+static const char * const report_args[] =
+{
+ /* 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
+};
-struct option longopts[] =
+static const int report_types[] =
{
- {"debug", 0, &debugflag, 1},
- {"defines", 0, &definesflag, 1},
- {"file-prefix", 1, 0, 'b'},
- {"fixed-output-files", 0, &fixed_outfiles, 1},
- {"help", 0, 0, 'h'},
- {"name-prefix", 1, 0, 'p'}, /* was 'a'; apparently unused -wjh */
- {"no-lines", 0, &nolinesflag, 1},
- {"no-parser", 0, &noparserflag, 1},
- {"output", 1, 0, 'o'},
- {"output-file", 1, 0, 'o'},
- {"raw", 0, &rawtoknumflag, 1},
- {"token-table", 0, &toknumflag, 1},
- {"verbose", 0, &verboseflag, 1},
- {"version", 0, 0, 'V'},
- {"yacc", 0, &fixed_outfiles, 1},
- {0, 0, 0, 0}
+ 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. |
`---------------------------*/
-void
+
+static void
usage (FILE *stream)
{
/* Some efforts were made to ease the translators' task, please
continue. */
- fprintf (stream, _("\
-GNU bison generates parsers for LALR(1) grammars.\n"));
+ fputs (_("\
+GNU bison generates parsers for LALR(1) grammars.\n"), stream);
putc ('\n', stream);
fprintf (stream, _("\
stream);
putc ('\n', stream);
- fprintf (stream, _("\
+ fputs (_("\
Operation modes:\n\
-h, --help display this help and exit\n\
-V, --version output version information and exit\n\
- -y, --yacc emulate POSIX yacc\n"));
+ -y, --yacc emulate POSIX yacc\n"), stream);
putc ('\n', stream);
- fprintf (stream, _("\
+ 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);
- fprintf (stream, _("\
+ 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"));
+ -o, --output=FILE leave output to FILE\n\
+ -g, --graph also produce a VCG description of the automaton\n\
+"), stream);
putc ('\n', stream);
- fprintf (stream, _("\
-Report bugs to <bug-bison@gnu.org>.\n"),
- program_name);
+ 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 (_("\
+Report bugs to <bug-bison@gnu.org>.\n"), stream);
+}
+
+
+/*------------------------------.
+| Display the version message. |
+`------------------------------*/
+
+static void
+version (FILE *stream)
+{
+ /* Some efforts were made to ease the translators' task, please
+ continue. */
+ fprintf (stream, _("bison (GNU Bison) %s"), VERSION);
+ putc ('\n', stream);
+ fputs (_("Written by Robert Corbett and Richard Stallman.\n"), stream);
+ putc ('\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\
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
+"),
+ stream);
}
+
+/*----------------------.
+| 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[])
{
- register int c;
-
- verboseflag = 0;
- definesflag = 0;
- debugflag = 0;
- noparserflag = 0;
- rawtoknumflag = 0;
- toknumflag = 0;
- fixed_outfiles = 0;
-
- 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':
- fixed_outfiles = 1;
- break;
-
- case 'h':
- usage (stdout);
- exit (0);
-
- case 'V':
- printf ("%s\n", VERSION_STRING);
- exit (0);
-
- case 'v':
- verboseflag = 1;
- break;
-
- case 'd':
- definesflag = 1;
- break;
-
- case 'l':
- nolinesflag = 1;
- break;
-
- case 'k':
- toknumflag = 1;
- break;
-
- case 'r':
- rawtoknumflag = 1;
- break;
-
- case 'n':
- noparserflag = 1;
- break;
-
- case 't':
- debugflag = 1;
- break;
-
- case 'o':
- spec_outfile = optarg;
- break;
-
- case 'b':
- spec_file_prefix = optarg;
- break;
-
- case 'p':
- spec_name_prefix = optarg;
- break;
-
- default:
- usage (stderr);
- exit (1);
- }
- }
+ int c;
+
+ 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)
{
- fprintf(stderr, _("%s: no grammar file given\n"), program_name);
- exit(1);
+ fprintf (stderr, _("%s: no grammar file given\n"), program_name);
+ exit (1);
}
if (optind < argc - 1)
- fprintf(stderr, _("%s: extra arguments ignored after `%s'\n"),
- program_name, argv[optind]);
+ fprintf (stderr, _("%s: extra arguments ignored after `%s'\n"),
+ program_name, argv[optind]);
infile = argv[optind];
}
projects / bison.git / blobdiff