/* Parse command line arguments for Bison.
- Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008 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.
#include <c-strcase.h>
#include <configmake.h>
#include <error.h>
-#include <quotearg.h>
/* Hack to get <getopt.h> to declare getopt with a prototype. */
#if lint && ! defined __GNU_LIBRARY__
# undef HACK_FOR___GNU_LIBRARY___PROTOTYPE
#endif
+#include <progname.h>
+
#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;
bool defines_flag;
bool graph_flag;
bool xml_flag;
-bool locations_flag;
bool no_lines_flag;
bool token_table_flag;
-bool yacc_flag; /* for -y */
-
-bool error_verbose = false;
+bool yacc_flag; /* for -y */
bool nondeterministic_parser = false;
bool glr_parser = false;
int report_flag = report_none;
int trace_flag = trace_none;
-int warnings_flag = warnings_none;
+int warnings_flag = Wconflicts_sr | Wconflicts_rr
+ | Wother;
static struct bison_language const valid_languages[] = {
{ "c", "c-skel.m4", ".c", ".h", true },
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)
+ const char * const keys[], const int values[],
+ int all, int *flags, char *args)
{
if (args)
{
args = strtok (args, ",");
while (args)
- {
- int value = XARGMATCH (option, args, keys, values);
- if (value == 0)
- *flags = 0;
- else
- *flags |= value;
- args = strtok (NULL, ",");
- }
+ {
+ int no = STRPREFIX_LIT ("no-", args) ? 3 : 0;
+ int value = XARGMATCH (option, args + no, keys, values);
+ if (value == 0)
+ {
+ if (no)
+ *flags |= all;
+ else
+ *flags &= ~all;
+ }
+ else
+ {
+ if (no)
+ *flags &= ~value;
+ else
+ *flags |= value;
+ }
+ args = strtok (NULL, ",");
+ }
}
else
- *flags = ~0;
+ *flags |= all;
}
/** Decode a set of sub arguments.
*
* \param FlagName the flag familly to update.
* \param Args the effective sub arguments to decode.
+ * \param All the "all" value.
*
* \arg FlagName_args the list of keys.
* \arg FlagName_types the list of values.
* \arg FlagName_flag the flag to update.
*/
-#define FLAGS_ARGMATCH(FlagName, Args) \
+#define FLAGS_ARGMATCH(FlagName, Args, All) \
flags_argmatch ("--" #FlagName, FlagName ## _args, FlagName ## _types, \
- &FlagName ## _flag, Args)
+ All, &FlagName ## _flag, Args)
/*----------------------.
"grammar - reading, reducing the grammar",
"resource - memory consumption (where available)",
"sets - grammar sets: firsts, nullable etc.",
+ "muscles - m4 definitions passed to the skeleton",
"tools - m4 invocation",
"m4 - m4 traces",
"skeleton - skeleton postprocessing",
"time - time consumption",
+ "ielr - IELR conversion",
"all - all of the above",
0
};
trace_grammar,
trace_resource,
trace_sets,
+ trace_muscles,
trace_tools,
trace_m4,
trace_skeleton,
trace_time,
+ trace_ielr,
trace_all
};
that argmatch_valid be more readable. */
"none - no warnings",
"midrule-values - unset or unused midrule values",
- "yacc - incompatibilities with POSIX YACC",
+ "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
static const int warnings_types[] =
{
- warnings_none,
- warnings_midrule_values,
- warnings_yacc,
- warnings_all,
- warnings_error
+ Wnone,
+ Wmidrule_values,
+ Wyacc,
+ Wconflicts_sr,
+ Wconflicts_rr,
+ Wother,
+ Wall,
+ Werror
};
ARGMATCH_VERIFY (warnings_args, warnings_types);
{
if (status != 0)
fprintf (stderr, _("Try `%s --help' for more information.\n"),
- program_name);
+ program_name);
else
{
+ /* For ../build-aux/cross-options.pl to work, use the format:
+ ^ -S, --long[=ARGS] (whitespace)
+ A --long option is required.
+ Otherwise, add exceptions to ../build-aux/cross-options.pl. */
+
printf (_("Usage: %s [OPTION]... FILE\n"), program_name);
fputs (_("\
-Generate LALR(1) and GLR parsers.\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);
fputs (_("\
Parser:\n\
- -L, --language=LANGUAGE specify the output programming language\n\
- (this is an experimental feature)\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\
- -k, --token-table include a table of token names\n\
+ -L, --language=LANGUAGE specify the output programming language\n\
+ (this is an experimental feature)\n\
+ -S, --skeleton=FILE specify the skeleton to use\n\
+ -t, --debug instrument the parser for tracing\n\
+ same as `-Dparse.trace'\n\
+ --locations enable location support\n\
+ -D, --define=NAME[=VALUE] similar to `%define NAME \"VALUE\"'\n\
+ -F, --force-define=NAME[=VALUE] override `%define NAME \"VALUE\"'\n\
+ -p, --name-prefix=PREFIX prepend PREFIX to the external symbols\n\
+ -l, --no-lines don't generate `#line' directives\n\
+ -k, --token-table include a table of token names\n\
\n\
"), stdout);
fputs (_("\
Warning categories include:\n\
`midrule-values' unset or unused midrule values\n\
- `yacc' incompatibilities with POSIX YACC\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\
putc ('\n', stdout);
fprintf (stdout,
- _("Copyright (C) %d Free Software Foundation, Inc.\n"),
- PACKAGE_COPYRIGHT_YEAR);
+ _("Copyright (C) %d Free Software Foundation, Inc.\n"),
+ PACKAGE_COPYRIGHT_YEAR);
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\
"),
- stdout);
+ stdout);
}
`--------------------------------------*/
void
-skeleton_arg (char const *arg, int prio, location const *loc)
+skeleton_arg (char const *arg, int prio, location loc)
{
if (prio < skeleton_prio)
{
skeleton = arg;
}
else if (prio == skeleton_prio)
- {
- char const *msg =
- _("multiple skeleton declarations are invalid");
- if (loc)
- complain_at (*loc, msg);
- else
- complain (msg);
- }
+ complain_at (loc, _("multiple skeleton declarations are invalid"));
}
void
-language_argmatch (char const *arg, int prio, location const *loc)
+language_argmatch (char const *arg, int prio, location loc)
{
char const *msg;
{
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;
- if (loc)
- complain_at (*loc, msg, arg);
- else
- complain (msg, arg);
+ complain_at (loc, msg, quotearg_colon (arg));
}
/*----------------------.
/* Shorts options.
Should be computed from long_options. */
static char const short_options[] =
+ "D:"
+ "F:"
"L:"
"S:"
"T::"
static struct option const long_options[] =
{
/* Operation modes. */
- { "help", no_argument, 0, 'h' },
- { "version", no_argument, 0, 'V' },
- { "print-localedir", no_argument, 0, PRINT_LOCALEDIR_OPTION },
- { "print-datadir", no_argument, 0, PRINT_DATADIR_OPTION },
+ { "help", no_argument, 0, 'h' },
+ { "version", no_argument, 0, 'V' },
+ { "print-localedir", no_argument, 0, PRINT_LOCALEDIR_OPTION },
+ { "print-datadir", no_argument, 0, PRINT_DATADIR_OPTION },
{ "warnings", optional_argument, 0, 'W' },
/* Parser. */
- { "name-prefix", required_argument, 0, 'p' },
+ { "name-prefix", required_argument, 0, 'p' },
{ "include", required_argument, 0, 'I' },
/* Output. */
- { "file-prefix", required_argument, 0, 'b' },
- { "output", required_argument, 0, 'o' },
- { "output-file", required_argument, 0, 'o' },
- { "graph", optional_argument, 0, 'g' },
+ { "file-prefix", required_argument, 0, 'b' },
+ { "output", required_argument, 0, 'o' },
+ { "output-file", required_argument, 0, 'o' },
+ { "graph", optional_argument, 0, 'g' },
{ "xml", optional_argument, 0, 'x' },
- { "report", required_argument, 0, 'r' },
+ { "report", required_argument, 0, 'r' },
{ "report-file", required_argument, 0, REPORT_FILE_OPTION },
- { "verbose", no_argument, 0, 'v' },
+ { "verbose", no_argument, 0, 'v' },
/* Hidden. */
{ "trace", optional_argument, 0, 'T' },
/* Operation modes. */
{ "fixed-output-files", no_argument, 0, 'y' },
- { "yacc", no_argument, 0, 'y' },
+ { "yacc", no_argument, 0, 'y' },
/* Parser. */
- { "debug", no_argument, 0, 't' },
- { "locations", no_argument, 0, LOCATIONS_OPTION },
+ { "debug", no_argument, 0, 't' },
+ { "define", required_argument, 0, 'D' },
+ { "force-define", required_argument, 0, 'F' },
+ { "locations", no_argument, 0, LOCATIONS_OPTION },
{ "no-lines", no_argument, 0, 'l' },
{ "raw", no_argument, 0, 0 },
{ "skeleton", required_argument, 0, 'S' },
# define AS_FILE_NAME(File) (File)
#endif
+/* Build a location for the current command line argument. */
+static
+location
+command_line_location (void)
+{
+ location res;
+ /* "<command line>" is used in GCC's messages about -D. */
+ boundary_set (&res.start, uniqstr_new ("<command line>"), optind, -1);
+ res.end = res.start;
+ return res;
+}
+
+
void
getargs (int argc, char *argv[])
{
int c;
while ((c = getopt_long (argc, argv, short_options, long_options, NULL))
- != -1)
+ != -1)
switch (c)
{
- case 0:
- /* Certain long options cause getopt_long to return 0. */
- break;
+ /* ASCII Sorting for short options (i.e., upper case then
+ lower case), and then long-only options. */
- case 'd':
- /* Here, the -d and --defines options are differentiated. */
- defines_flag = true;
- if (optarg)
- spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
- break;
+ case 0:
+ /* Certain long options cause getopt_long to return 0. */
+ break;
+
+ case 'D': /* -DNAME[=VALUE]. */
+ case 'F': /* -FNAME[=VALUE]. */
+ {
+ char* name = optarg;
+ char* value = strchr (optarg, '=');
+ if (value)
+ *value++ = 0;
+ muscle_percent_define_insert (name, command_line_location (),
+ value ? value : "",
+ c == 'D' ? MUSCLE_PERCENT_DEFINE_D
+ : MUSCLE_PERCENT_DEFINE_F);
+ }
+ break;
case 'I':
- include = AS_FILE_NAME (optarg);
- break;
+ include = AS_FILE_NAME (optarg);
+ break;
case 'L':
- language_argmatch (optarg, command_line_prio, NULL);
- break;
+ language_argmatch (optarg, command_line_prio,
+ command_line_location ());
+ break;
case 'S':
- skeleton_arg (AS_FILE_NAME (optarg), command_line_prio, NULL);
- break;
+ skeleton_arg (AS_FILE_NAME (optarg), command_line_prio,
+ command_line_location ());
+ break;
case 'T':
- FLAGS_ARGMATCH (trace, optarg);
- break;
+ FLAGS_ARGMATCH (trace, optarg, trace_all);
+ break;
case 'V':
- version ();
- exit (EXIT_SUCCESS);
+ version ();
+ exit (EXIT_SUCCESS);
case 'W':
- if (optarg)
- FLAGS_ARGMATCH (warnings, optarg);
- else
- warnings_flag |= warnings_all;
- break;
+ FLAGS_ARGMATCH (warnings, optarg, Wall);
+ break;
case 'b':
- spec_file_prefix = AS_FILE_NAME (optarg);
- break;
+ spec_file_prefix = AS_FILE_NAME (optarg);
+ break;
+
+ case 'd':
+ /* Here, the -d and --defines options are differentiated. */
+ defines_flag = true;
+ if (optarg)
+ {
+ free (spec_defines_file);
+ spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
+ }
+ break;
case 'g':
- graph_flag = true;
- if (optarg)
- spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
- break;
+ graph_flag = true;
+ if (optarg)
+ {
+ free (spec_graph_file);
+ spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
+ }
+ break;
case 'h':
- usage (EXIT_SUCCESS);
+ usage (EXIT_SUCCESS);
case 'k':
- token_table_flag = true;
- break;
+ token_table_flag = true;
+ break;
case 'l':
- no_lines_flag = true;
- break;
+ no_lines_flag = true;
+ break;
case 'o':
- spec_outfile = AS_FILE_NAME (optarg);
- break;
+ spec_outfile = AS_FILE_NAME (optarg);
+ break;
case 'p':
- spec_name_prefix = optarg;
- break;
+ spec_name_prefix = optarg;
+ break;
case 'r':
- FLAGS_ARGMATCH (report, optarg);
- break;
+ FLAGS_ARGMATCH (report, optarg, report_all);
+ break;
case 't':
- debug_flag = true;
- break;
+ muscle_percent_define_insert ("parse.trace",
+ command_line_location (), "",
+ MUSCLE_PERCENT_DEFINE_D);
+ break;
case 'v':
- report_flag |= report_states;
- break;
+ report_flag |= report_states;
+ break;
case 'x':
- xml_flag = true;
- if (optarg)
- spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
- break;
+ xml_flag = true;
+ if (optarg)
+ {
+ free (spec_xml_file);
+ spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
+ }
+ break;
case 'y':
- yacc_flag = true;
- break;
+ yacc_flag = true;
+ break;
case LOCATIONS_OPTION:
- locations_flag = true;
- break;
+ muscle_percent_define_ensure ("locations",
+ command_line_location (), true);
+ break;
case PRINT_LOCALEDIR_OPTION:
- printf ("%s\n", LOCALEDIR);
- exit (EXIT_SUCCESS);
+ printf ("%s\n", LOCALEDIR);
+ exit (EXIT_SUCCESS);
case PRINT_DATADIR_OPTION:
- printf ("%s\n", compute_pkgdatadir ());
- exit (EXIT_SUCCESS);
+ printf ("%s\n", pkgdatadir ());
+ exit (EXIT_SUCCESS);
case REPORT_FILE_OPTION:
- spec_verbose_file = xstrdup (AS_FILE_NAME (optarg));
- break;
+ free (spec_verbose_file);
+ spec_verbose_file = xstrdup (AS_FILE_NAME (optarg));
+ break;
default:
- usage (EXIT_FAILURE);
+ usage (EXIT_FAILURE);
}
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);
}
current_file = grammar_file = uniqstr_new (argv[optind]);
MUSCLE_INSERT_C_STRING ("file_name", grammar_file);
}
+
+void
+tr (char *s, char from, char to)
+{
+ for (; *s; s++)
+ if (*s == from)
+ *s = to;
+}
projects / bison.git / blobdiff