* src/Makefile.am (bison_SOURCES): Update.
* src/getargs.c, src/ielr.c, src/lalr.c, src/main.c,
src/output.c, src/parse-gram.y, src/print.c, src/reader.c,
src/tables.c: Update include.
* src/muscle_tab.c, src/muscle_tab.h: Rename to...
* src/muscle-tab.c, src/muscle-tab.h: ... these and update
include.
+2009-10-08 Joel E. Denny <jdenny@clemson.edu>
+
+ Rename muscle_tab.* to muscle-tab.* for consistency with master.
+ * src/Makefile.am (bison_SOURCES): Update.
+ * src/getargs.c, src/ielr.c, src/lalr.c, src/main.c,
+ src/output.c, src/parse-gram.y, src/print.c, src/reader.c,
+ src/tables.c: Update include.
+ * src/muscle_tab.c, src/muscle_tab.h: Rename to...
+ * src/muscle-tab.c, src/muscle-tab.h: ... these and update
+ include.
+
2009-10-07 Joel E. Denny <jdenny@clemson.edu>
Minor code cleanup.
ielr.h ielr.c \
location.c location.h \
main.c \
- muscle_tab.c muscle_tab.h \
+ muscle-tab.c muscle-tab.h \
named-ref.c named-ref.h \
nullable.c nullable.h \
output.c output.h \
#include "complain.h"
#include "files.h"
#include "getargs.h"
-#include "muscle_tab.h"
+#include "muscle-tab.h"
#include "uniqstr.h"
bool debug_flag;
#include "derives.h"
#include "getargs.h"
#include "lalr.h"
-#include "muscle_tab.h"
+#include "muscle-tab.h"
#include "nullable.h"
#include "relation.h"
#include "state.h"
#include "getargs.h"
#include "gram.h"
#include "lalr.h"
-#include "muscle_tab.h"
+#include "muscle-tab.h"
#include "nullable.h"
#include "reader.h"
#include "relation.h"
#include "gram.h"
#include "lalr.h"
#include "ielr.h"
-#include "muscle_tab.h"
+#include "muscle-tab.h"
#include "nullable.h"
#include "output.h"
#include "print.h"
--- /dev/null
+/* Muscle table manager for Bison.
+
+ Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free
+ Software Foundation, Inc.
+
+ This file is part of Bison, the GNU Compiler Compiler.
+
+ 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+#include "system.h"
+
+#include <hash.h>
+#include <quotearg.h>
+
+#include "complain.h"
+#include "files.h"
+#include "muscle-tab.h"
+#include "getargs.h"
+
+/* A key-value pair, along with storage that can be reclaimed when
+ this pair is no longer needed. */
+typedef struct
+{
+ char const *key;
+ char const *value;
+ char *storage;
+} muscle_entry;
+
+/* An obstack used to create some entries. */
+struct obstack muscle_obstack;
+
+/* Initial capacity of muscles hash table. */
+#define HT_INITIAL_CAPACITY 257
+
+static struct hash_table *muscle_table = NULL;
+
+static bool
+hash_compare_muscles (void const *x, void const *y)
+{
+ muscle_entry const *m1 = x;
+ muscle_entry const *m2 = y;
+ return strcmp (m1->key, m2->key) == 0;
+}
+
+static size_t
+hash_muscle (const void *x, size_t tablesize)
+{
+ muscle_entry const *m = x;
+ return hash_string (m->key, tablesize);
+}
+
+/*-----------------------------------------------------------------.
+| Create the MUSCLE_TABLE, and initialize it with default values. |
+| Also set up the MUSCLE_OBSTACK. |
+`-----------------------------------------------------------------*/
+
+static void
+muscle_entry_free (void *entry)
+{
+ muscle_entry *mentry = entry;
+ free (mentry->storage);
+ free (mentry);
+}
+
+void
+muscle_init (void)
+{
+ /* Initialize the muscle obstack. */
+ obstack_init (&muscle_obstack);
+
+ muscle_table = hash_initialize (HT_INITIAL_CAPACITY, NULL, hash_muscle,
+ hash_compare_muscles, muscle_entry_free);
+
+ /* Version and input file. */
+ MUSCLE_INSERT_STRING ("version", VERSION);
+}
+
+
+/*------------------------------------------------------------.
+| Free all the memory consumed by the muscle machinery only. |
+`------------------------------------------------------------*/
+
+void
+muscle_free (void)
+{
+ hash_free (muscle_table);
+ obstack_free (&muscle_obstack, NULL);
+}
+
+
+
+/*------------------------------------------------------------.
+| Insert (KEY, VALUE). If KEY already existed, overwrite the |
+| previous value. |
+`------------------------------------------------------------*/
+
+void
+muscle_insert (char const *key, char const *value)
+{
+ muscle_entry probe;
+ muscle_entry *entry;
+
+ probe.key = key;
+ entry = hash_lookup (muscle_table, &probe);
+
+ if (!entry)
+ {
+ /* First insertion in the hash. */
+ entry = xmalloc (sizeof *entry);
+ entry->key = key;
+ if (!hash_insert (muscle_table, entry))
+ xalloc_die ();
+ }
+ else
+ free (entry->storage);
+ entry->value = value;
+ entry->storage = NULL;
+}
+
+
+/*-------------------------------------------------------------------.
+| Append VALUE to the current value of KEY. If KEY did not already |
+| exist, create it. Use MUSCLE_OBSTACK. De-allocate the previously |
+| associated value. Copy VALUE and SEPARATOR. |
+`-------------------------------------------------------------------*/
+
+void
+muscle_grow (const char *key, const char *val, const char *separator)
+{
+ muscle_entry probe;
+ muscle_entry *entry = NULL;
+
+ probe.key = key;
+ entry = hash_lookup (muscle_table, &probe);
+
+ if (!entry)
+ {
+ /* First insertion in the hash. */
+ entry = xmalloc (sizeof *entry);
+ entry->key = key;
+ if (!hash_insert (muscle_table, entry))
+ xalloc_die ();
+ entry->value = entry->storage = xstrdup (val);
+ }
+ else
+ {
+ /* Grow the current value. */
+ char *new_val;
+ obstack_sgrow (&muscle_obstack, entry->value);
+ free (entry->storage);
+ obstack_sgrow (&muscle_obstack, separator);
+ obstack_sgrow (&muscle_obstack, val);
+ obstack_1grow (&muscle_obstack, 0);
+ new_val = obstack_finish (&muscle_obstack);
+ entry->value = entry->storage = xstrdup (new_val);
+ obstack_free (&muscle_obstack, new_val);
+ }
+}
+
+/*------------------------------------------------------------------.
+| Using muscle_grow, append a synchronization line for the location |
+| LOC to the current value of KEY. |
+`------------------------------------------------------------------*/
+
+static void
+muscle_syncline_grow (char const *key, location loc)
+{
+ char *extension = NULL;
+ obstack_fgrow1 (&muscle_obstack, "]b4_syncline(%d, [[", loc.start.line);
+ MUSCLE_OBSTACK_SGROW (&muscle_obstack,
+ quotearg_style (c_quoting_style, loc.start.file));
+ obstack_sgrow (&muscle_obstack, "]])[");
+ obstack_1grow (&muscle_obstack, 0);
+ extension = obstack_finish (&muscle_obstack);
+ muscle_grow (key, extension, "");
+ obstack_free (&muscle_obstack, extension);
+}
+
+/*------------------------------------------------------------------.
+| Append VALUE to the current value of KEY, using muscle_grow. But |
+| in addition, issue a synchronization line for the location LOC |
+| using muscle_syncline_grow. |
+`------------------------------------------------------------------*/
+
+void
+muscle_code_grow (const char *key, const char *val, location loc)
+{
+ muscle_syncline_grow (key, loc);
+ muscle_grow (key, val, "\n");
+}
+
+
+void muscle_pair_list_grow (const char *muscle,
+ const char *a1, const char *a2)
+{
+ char *pair;
+ obstack_sgrow (&muscle_obstack, "[[[");
+ MUSCLE_OBSTACK_SGROW (&muscle_obstack, a1);
+ obstack_sgrow (&muscle_obstack, "]], [[");
+ MUSCLE_OBSTACK_SGROW (&muscle_obstack, a2);
+ obstack_sgrow (&muscle_obstack, "]]]");
+ obstack_1grow (&muscle_obstack, 0);
+ pair = obstack_finish (&muscle_obstack);
+ muscle_grow (muscle, pair, ",\n");
+ obstack_free (&muscle_obstack, pair);
+}
+
+
+/*----------------------------------------------------------------------------.
+| Find the value of muscle KEY. Unlike MUSCLE_FIND, this is always reliable |
+| to determine whether KEY has a value. |
+`----------------------------------------------------------------------------*/
+
+char const *
+muscle_find_const (char const *key)
+{
+ muscle_entry probe;
+ muscle_entry *result = NULL;
+
+ probe.key = key;
+ result = hash_lookup (muscle_table, &probe);
+ if (result)
+ return result->value;
+ return NULL;
+}
+
+
+/*----------------------------------------------------------------------------.
+| Find the value of muscle KEY. Abort if muscle_insert was invoked more |
+| recently than muscle_grow for KEY since muscle_find can't return a |
+| char const *. |
+`----------------------------------------------------------------------------*/
+
+char *
+muscle_find (char const *key)
+{
+ muscle_entry probe;
+ muscle_entry *result = NULL;
+
+ probe.key = key;
+ result = hash_lookup (muscle_table, &probe);
+ if (result)
+ {
+ aver (result->value == result->storage);
+ return result->storage;
+ }
+ return NULL;
+}
+
+
+void
+muscle_boundary_grow (char const *key, boundary bound)
+{
+ char *extension;
+ MUSCLE_OBSTACK_SGROW (&muscle_obstack, bound.file);
+ obstack_1grow (&muscle_obstack, ':');
+ obstack_fgrow1 (&muscle_obstack, "%d", bound.line);
+ obstack_1grow (&muscle_obstack, '.');
+ obstack_fgrow1 (&muscle_obstack, "%d", bound.column);
+ obstack_1grow (&muscle_obstack, '\0');
+ extension = obstack_finish (&muscle_obstack);
+ muscle_grow (key, extension, "");
+ obstack_free (&muscle_obstack, extension);
+}
+
+void
+muscle_location_grow (char const *key, location loc)
+{
+ muscle_grow (key, "[[", "");
+ muscle_boundary_grow (key, loc.start);
+ muscle_grow (key, "]], [[", "");
+ muscle_boundary_grow (key, loc.end);
+ muscle_grow (key, "]]", "");
+}
+
+#define MUSCLE_COMMON_DECODE(Value) \
+ case '$': \
+ aver (*++(Value) == ']'); \
+ aver (*++(Value) == '['); \
+ obstack_sgrow (&muscle_obstack, "$"); \
+ break; \
+ case '@': \
+ switch (*++(Value)) \
+ { \
+ case '@': obstack_sgrow (&muscle_obstack, "@" ); break; \
+ case '{': obstack_sgrow (&muscle_obstack, "[" ); break; \
+ case '}': obstack_sgrow (&muscle_obstack, "]" ); break; \
+ default: aver (false); break; \
+ } \
+ break; \
+ default: \
+ obstack_1grow (&muscle_obstack, *(Value)); \
+ break;
+
+/* Reverse of MUSCLE_OBSTACK_SGROW. */
+static char *
+muscle_string_decode (char const *key)
+{
+ char const *value;
+ char *value_decoded;
+ char *result;
+
+ value = muscle_find_const (key);
+ if (!value)
+ return NULL;
+ do {
+ switch (*value)
+ {
+ MUSCLE_COMMON_DECODE (value)
+ case '[':
+ case ']':
+ aver (false);
+ break;
+ }
+ } while (*value++);
+ value_decoded = obstack_finish (&muscle_obstack);
+ result = xstrdup (value_decoded);
+ obstack_free (&muscle_obstack, value_decoded);
+ return result;
+}
+
+/* Reverse of muscle_location_grow. */
+static location
+muscle_location_decode (char const *key)
+{
+ location loc;
+ char const *value = muscle_find_const (key);
+ aver (value);
+ aver (*value == '[');
+ aver (*++value == '[');
+ while (*++value)
+ switch (*value)
+ {
+ MUSCLE_COMMON_DECODE (value)
+ case '[':
+ aver (false);
+ break;
+ case ']':
+ {
+ char *boundary_str;
+ aver (*++value == ']');
+ obstack_1grow (&muscle_obstack, '\0');
+ boundary_str = obstack_finish (&muscle_obstack);
+ switch (*++value)
+ {
+ case ',':
+ boundary_set_from_string (&loc.start, boundary_str);
+ obstack_free (&muscle_obstack, boundary_str);
+ aver (*++value == ' ');
+ aver (*++value == '[');
+ aver (*++value == '[');
+ break;
+ case '\0':
+ boundary_set_from_string (&loc.end, boundary_str);
+ obstack_free (&muscle_obstack, boundary_str);
+ return loc;
+ break;
+ default:
+ aver (false);
+ break;
+ }
+ }
+ break;
+ }
+ aver (false);
+ return loc;
+}
+
+void
+muscle_user_name_list_grow (char const *key, char const *user_name,
+ location loc)
+{
+ muscle_grow (key, "[[[[", ",");
+ muscle_grow (key, user_name, "");
+ muscle_grow (key, "]], ", "");
+ muscle_location_grow (key, loc);
+ muscle_grow (key, "]]", "");
+}
+
+void
+muscle_percent_define_insert (char const *variable, location variable_loc,
+ char const *value,
+ muscle_percent_define_how how)
+{
+ char *variable_tr = NULL;
+ char const *name;
+ char const *loc_name;
+ char const *syncline_name;
+ char const *how_name;
+
+ /* Permit certain names with underscores for backward compatibility. */
+ if (0 == strcmp (variable, "api.push_pull")
+ || 0 == strcmp (variable, "lr.keep_unreachable_states"))
+ {
+ variable_tr = strdup (variable);
+ tr (variable_tr, '_', '-');
+ variable = variable_tr;
+ }
+
+ name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+ loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
+ syncline_name =
+ UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
+ how_name = UNIQSTR_CONCAT ("percent_define_how(", variable, ")");
+
+ /* Command-line options are processed before the grammar file. */
+ if (how == MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE
+ && muscle_find_const (name))
+ {
+ muscle_percent_define_how how_old =
+ atoi (muscle_find_const (how_name));
+ if (how_old == MUSCLE_PERCENT_DEFINE_F)
+ {
+ free (variable_tr);
+ return;
+ }
+ complain_at (variable_loc, _("%s `%s' redefined"),
+ "%define variable", variable);
+ complain_at (muscle_percent_define_get_loc (variable),
+ _("previous definition"));
+ }
+
+ MUSCLE_INSERT_STRING (name, value);
+ muscle_insert (loc_name, "");
+ muscle_location_grow (loc_name, variable_loc);
+ muscle_insert (syncline_name, "");
+ muscle_syncline_grow (syncline_name, variable_loc);
+ muscle_user_name_list_grow ("percent_define_user_variables", variable,
+ variable_loc);
+ MUSCLE_INSERT_INT (how_name, how);
+
+ free (variable_tr);
+}
+
+char *
+muscle_percent_define_get (char const *variable)
+{
+ char const *name;
+ char const *usage_name;
+ char *value;
+
+ name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+ usage_name = UNIQSTR_CONCAT ("percent_define_bison_variables(",
+ variable, ")");
+
+ muscle_insert (usage_name, "");
+ value = muscle_string_decode (name);
+ if (!value)
+ value = xstrdup ("");
+ return value;
+}
+
+location
+muscle_percent_define_get_loc (char const *variable)
+{
+ char const *loc_name;
+ loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
+ if (!muscle_find_const (loc_name))
+ fatal(_("undefined %%define variable `%s' passed to"
+ " muscle_percent_define_get_loc"), variable);
+ return muscle_location_decode (loc_name);
+}
+
+char const *
+muscle_percent_define_get_syncline (char const *variable)
+{
+ char const *syncline_name;
+ char const *syncline;
+ syncline_name =
+ UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
+ syncline = muscle_find_const (syncline_name);
+ if (!syncline)
+ fatal(_("undefined %%define variable `%s' passed to"
+ " muscle_percent_define_get_syncline"), variable);
+ return syncline;
+}
+
+bool
+muscle_percent_define_ifdef (char const *variable)
+{
+ char const *name;
+ char const *usage_name;
+ char const *value;
+
+ name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+ usage_name =
+ UNIQSTR_CONCAT ("percent_define_bison_variables(", variable, ")");
+
+ value = muscle_find_const (name);
+ if (value)
+ {
+ muscle_insert (usage_name, "");
+ return true;
+ }
+
+ return false;
+}
+
+bool
+muscle_percent_define_flag_if (char const *variable)
+{
+ char const *invalid_boolean_name;
+ bool result = false;
+
+ invalid_boolean_name =
+ UNIQSTR_CONCAT ("percent_define_invalid_boolean(", variable, ")");
+
+ if (muscle_percent_define_ifdef (variable))
+ {
+ char *value = muscle_percent_define_get (variable);
+ if (value[0] == '\0' || 0 == strcmp (value, "true"))
+ result = true;
+ else if (0 == strcmp (value, "false"))
+ result = false;
+ else if (!muscle_find_const (invalid_boolean_name))
+ {
+ muscle_insert (invalid_boolean_name, "");
+ complain_at(muscle_percent_define_get_loc (variable),
+ _("invalid value for %%define Boolean variable `%s'"),
+ variable);
+ }
+ free (value);
+ }
+ else
+ fatal(_("undefined %%define variable `%s' passed to muscle_percent_define_flag_if"),
+ variable);
+
+ return result;
+}
+
+void
+muscle_percent_define_default (char const *variable, char const *value)
+{
+ char const *name;
+ char const *loc_name;
+ char const *syncline_name;
+ name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+ loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
+ syncline_name =
+ UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
+ if (!muscle_find_const (name))
+ {
+ location loc;
+ MUSCLE_INSERT_STRING (name, value);
+ loc.start.file = loc.end.file = "<default value>";
+ loc.start.line = loc.end.line = -1;
+ loc.start.column = loc.end.column = -1;
+ muscle_insert (loc_name, "");
+ muscle_location_grow (loc_name, loc);
+ muscle_insert (syncline_name, "");
+ }
+}
+
+void
+muscle_percent_define_check_values (char const * const *values)
+{
+ for (; *values; ++values)
+ {
+ char const * const *variablep = values;
+ char const *name;
+ char *value;
+
+ name = UNIQSTR_CONCAT ("percent_define(", *variablep, ")");
+
+ value = muscle_string_decode (name);
+ if (value)
+ {
+ for (++values; *values; ++values)
+ {
+ if (0 == strcmp (value, *values))
+ break;
+ }
+ if (!*values)
+ {
+ location loc = muscle_percent_define_get_loc (*variablep);
+ complain_at(loc,
+ _("invalid value for %%define variable `%s': `%s'"),
+ *variablep, value);
+ for (values = variablep + 1; *values; ++values)
+ complain_at (loc, _("accepted value: `%s'"), *values);
+ }
+ else
+ {
+ while (*values)
+ ++values;
+ }
+ free (value);
+ }
+ else
+ fatal(_("undefined %%define variable `%s' passed to"
+ " muscle_percent_define_check_values"),
+ *variablep);
+ }
+}
+
+void
+muscle_percent_code_grow (char const *qualifier, location qualifier_loc,
+ char const *code, location code_loc)
+{
+ char const *name;
+ name = UNIQSTR_CONCAT ("percent_code(", qualifier, ")");
+ muscle_code_grow (name, code, code_loc);
+ muscle_user_name_list_grow ("percent_code_user_qualifiers", qualifier,
+ qualifier_loc);
+}
+
+
+/*------------------------------------------------.
+| Output the definition of ENTRY as a m4_define. |
+`------------------------------------------------*/
+
+static inline bool
+muscle_m4_output (muscle_entry *entry, FILE *out)
+{
+ fprintf (out, "m4_define([b4_%s],\n", entry->key);
+ fprintf (out, "[[%s]])\n\n\n", entry->value);
+ return true;
+}
+
+static bool
+muscle_m4_output_processor (void *entry, void *out)
+{
+ return muscle_m4_output (entry, out);
+}
+
+
+/*----------------------------------------------------------------.
+| Output the definition of all the current muscles into a list of |
+| m4_defines. |
+`----------------------------------------------------------------*/
+
+void
+muscles_m4_output (FILE *out)
+{
+ hash_do_for_each (muscle_table, muscle_m4_output_processor, out);
+}
--- /dev/null
+/* Muscle table manager for Bison,
+ Copyright (C) 2001, 2002, 2003, 2006, 2007, 2009 Free Software
+ Foundation, Inc.
+
+ This file is part of Bison, the GNU Compiler Compiler.
+
+ 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+#ifndef MUSCLE_TAB_H_
+# define MUSCLE_TAB_H_
+
+# include "location.h"
+
+void muscle_init (void);
+void muscle_insert (char const *key, char const *value);
+char const *muscle_find_const (char const *key);
+char *muscle_find (char const *key);
+void muscle_free (void);
+
+
+/* An obstack dedicated to receive muscle keys and values. */
+extern struct obstack muscle_obstack;
+
+#define MUSCLE_INSERT_BOOL(Key, Value) \
+do { \
+ int v = Value; \
+ MUSCLE_INSERT_INT (Key, v); \
+} while(0)
+
+#define MUSCLE_INSERT_INT(Key, Value) \
+do { \
+ obstack_fgrow1 (&muscle_obstack, "%d", Value); \
+ obstack_1grow (&muscle_obstack, 0); \
+ muscle_insert (Key, obstack_finish (&muscle_obstack)); \
+} while(0)
+
+#define MUSCLE_INSERT_LONG_INT(Key, Value) \
+do { \
+ obstack_fgrow1 (&muscle_obstack, "%ld", Value); \
+ obstack_1grow (&muscle_obstack, 0); \
+ muscle_insert (Key, obstack_finish (&muscle_obstack)); \
+} while(0)
+
+#define MUSCLE_INSERT_STRING_RAW(Key, Value) \
+do { \
+ obstack_sgrow (&muscle_obstack, Value); \
+ obstack_1grow (&muscle_obstack, 0); \
+ muscle_insert (Key, obstack_finish (&muscle_obstack)); \
+} while(0)
+
+#define MUSCLE_INSERT_STRING(Key, Value) \
+do { \
+ MUSCLE_OBSTACK_SGROW (&muscle_obstack, Value); \
+ obstack_1grow (&muscle_obstack, 0); \
+ muscle_insert (Key, obstack_finish (&muscle_obstack)); \
+} while(0)
+
+#define MUSCLE_OBSTACK_SGROW(Obstack, Value) \
+do { \
+ char const *p; \
+ for (p = Value; *p; p++) \
+ switch (*p) \
+ { \
+ case '$': obstack_sgrow (Obstack, "$]["); break; \
+ case '@': obstack_sgrow (Obstack, "@@" ); break; \
+ case '[': obstack_sgrow (Obstack, "@{" ); break; \
+ case ']': obstack_sgrow (Obstack, "@}" ); break; \
+ default: obstack_1grow (Obstack, *p); break; \
+ } \
+} while(0)
+
+#define MUSCLE_INSERT_C_STRING(Key, Value) \
+do { \
+ MUSCLE_OBSTACK_SGROW (&muscle_obstack, \
+ quotearg_style (c_quoting_style, \
+ Value)); \
+ obstack_1grow (&muscle_obstack, 0); \
+ muscle_insert (Key, obstack_finish (&muscle_obstack)); \
+} while(0)
+
+/* Append VALUE to the current value of KEY. If KEY did not already
+ exist, create it. Use MUSCLE_OBSTACK. De-allocate the previously
+ associated value. Copy VALUE and SEPARATOR. */
+
+void muscle_grow (const char *key, const char *value, const char *separator);
+
+
+/* Append VALUE to the current value of KEY, using muscle_grow. But
+ in addition, issue a synchronization line for the location LOC. */
+
+void muscle_code_grow (const char *key, const char *value, location loc);
+
+
+/* MUSCLE is an M4 list of pairs. Create or extend it with the pair
+ (A1, A2) after escaping both values with digraphs. Note that because the
+ muscle values are output *double* quoted, one needs to strip the first level
+ of quotes to reach the list itself. */
+void muscle_pair_list_grow (const char *muscle,
+ const char *a1, const char *a2);
+
+/* In the format `[[file_name:line.column]], [[file_name:line.column]]', append
+ LOC to MUSCLE. Use digraphs for special characters in each file name. */
+void muscle_location_grow (char const *key, location loc);
+
+/* In the format `file_name:line.column', append BOUND to MUSCLE. Use digraphs
+ for special characters in the file name. */
+void muscle_boundary_grow (char const *key, boundary bound);
+
+/* Grow KEY for the occurrence of the name USER_NAME at LOC appropriately for
+ use with b4_check_user_names in ../data/bison.m4. USER_NAME is not escaped
+ with digraphs, so it must not contain `[' or `]'. */
+void muscle_user_name_list_grow (char const *key, char const *user_name,
+ location loc);
+
+/* Indicates whether a variable's value was specified with -D/--define, with
+ -F/--force-define, or in the grammar file. */
+typedef enum {
+ MUSCLE_PERCENT_DEFINE_D = 0, MUSCLE_PERCENT_DEFINE_F,
+ MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE
+} muscle_percent_define_how;
+
+/* Define the muscles for %define variable VARIABLE with VALUE specified
+ at VARIABLE_LOC in the manner HOW unless it was specified in the
+ grammar file while the previous definition for VARIABLE was specified
+ with -F/--force-define. Complain if a previous definition is being
+ overridden and the new definition is specified in the grammar file.
+ (These rules support the documented behavior as long as command-line
+ definitions are processed before grammar file definitions.) Record
+ this as a user occurrence of VARIABLE by invoking
+ muscle_user_name_list_grow. */
+void muscle_percent_define_insert (char const *variable, location variable_loc,
+ char const *value,
+ muscle_percent_define_how how);
+
+/* Mimic b4_percent_define_get in ../data/bison.m4 exactly. That is, if the
+ %define variable VARIABLE is defined, return its value. Otherwise, return
+ the empty string. Also, record Bison's usage of VARIABLE by defining
+ b4_percent_define_bison_variables(VARIABLE). The caller is responsible for
+ freeing the memory of the returned string. */
+char *muscle_percent_define_get (char const *variable);
+
+/* Mimic muscle_percent_define_get_loc in ../data/bison.m4 exactly. That is,
+ if the %define variable VARIABLE is undefined, complain fatally since that's
+ a Bison error. Otherwise, return its definition location in a form
+ approriate for the first argument of warn_at, complain_at, or fatal_at.
+ Don't record this as a Bison usage of VARIABLE as there's no reason to
+ suspect that the user-supplied value has yet influenced the output. */
+location muscle_percent_define_get_loc (char const *variable);
+
+/* Mimic muscle_percent_define_get_syncline in ../data/bison.m4 exactly. That
+ is, if the %define variable VARIABLE is undefined, complain fatally since
+ that's a Bison error. Otherwise, return its definition location as a
+ b4_syncline invocation. Don't record this as a Bison usage of VARIABLE as
+ there's no reason to suspect that the user-supplied value has yet influenced
+ the output. */
+char const *muscle_percent_define_get_syncline (char const *variable);
+
+/* Mimic b4_percent_define_ifdef in ../data/bison.m4 exactly. That is, if the
+ %define variable VARIABLE is defined, return true. Otherwise, return false.
+ Also, record Bison's usage of VARIABLE by defining
+ b4_percent_define_bison_variables(VARIABLE). */
+bool muscle_percent_define_ifdef (char const *variable);
+
+/* Mimic b4_percent_define_flag_if in ../data/bison.m4 exactly. That is, if
+ the %define variable VARIABLE is defined to "" or "true", return true. If
+ it is defined to "false", return false. Complain if it is undefined (a
+ Bison error since the default value should have been set already) or defined
+ to any other value (possibly a user error). Also, record Bison's usage of
+ VARIABLE by defining b4_percent_define_bison_variables(VARIABLE). */
+bool muscle_percent_define_flag_if (char const *variable);
+
+/* Mimic b4_percent_define_default in ../data/bison.m4 exactly. That is, if
+ the %define variable VARIABLE is undefined, set its value to VALUE.
+ Don't record this as a Bison usage of VARIABLE as there's no reason to
+ suspect that the value has yet influenced the output. */
+void muscle_percent_define_default (char const *variable, char const *value);
+
+/* Mimic b4_percent_define_check_values in ../data/bison.m4 exactly except that
+ the VALUES structure is more appropriate for C. That is, VALUES points to a
+ list of strings that is partitioned into sublists by NULL's, one terminating
+ each sublist. The last sublist is followed by a second NULL. For each
+ sublist, the first string is the name of a %define variable, and all
+ remaining strings in that sublist are the valid values for that variable.
+ Complain if such a variable is undefined (a Bison error since the default
+ value should have been set already) or defined to any other value (possibly
+ a user error). Don't record this as a Bison usage of the variable as
+ there's no reason to suspect that the value has yet influenced the
+ output. */
+void muscle_percent_define_check_values (char const * const *values);
+
+/* Grow the muscle for the %code qualifier QUALIFIER appearing at
+ QUALIFIER_LOC with code CODE appearing at CODE_LOC. Record this as a
+ user occurrence of QUALIFIER by invoking
+ muscle_user_name_list_grow. */
+void muscle_percent_code_grow (char const *qualifier, location qualifier_loc,
+ char const *code, location code_loc);
+
+void muscles_m4_output (FILE *out);
+
+#endif /* not MUSCLE_TAB_H_ */
+++ /dev/null
-/* Muscle table manager for Bison.
-
- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free
- Software Foundation, Inc.
-
- This file is part of Bison, the GNU Compiler Compiler.
-
- 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 3 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, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-#include "system.h"
-
-#include <hash.h>
-#include <quotearg.h>
-
-#include "complain.h"
-#include "files.h"
-#include "muscle_tab.h"
-#include "getargs.h"
-
-/* A key-value pair, along with storage that can be reclaimed when
- this pair is no longer needed. */
-typedef struct
-{
- char const *key;
- char const *value;
- char *storage;
-} muscle_entry;
-
-/* An obstack used to create some entries. */
-struct obstack muscle_obstack;
-
-/* Initial capacity of muscles hash table. */
-#define HT_INITIAL_CAPACITY 257
-
-static struct hash_table *muscle_table = NULL;
-
-static bool
-hash_compare_muscles (void const *x, void const *y)
-{
- muscle_entry const *m1 = x;
- muscle_entry const *m2 = y;
- return strcmp (m1->key, m2->key) == 0;
-}
-
-static size_t
-hash_muscle (const void *x, size_t tablesize)
-{
- muscle_entry const *m = x;
- return hash_string (m->key, tablesize);
-}
-
-/*-----------------------------------------------------------------.
-| Create the MUSCLE_TABLE, and initialize it with default values. |
-| Also set up the MUSCLE_OBSTACK. |
-`-----------------------------------------------------------------*/
-
-static void
-muscle_entry_free (void *entry)
-{
- muscle_entry *mentry = entry;
- free (mentry->storage);
- free (mentry);
-}
-
-void
-muscle_init (void)
-{
- /* Initialize the muscle obstack. */
- obstack_init (&muscle_obstack);
-
- muscle_table = hash_initialize (HT_INITIAL_CAPACITY, NULL, hash_muscle,
- hash_compare_muscles, muscle_entry_free);
-
- /* Version and input file. */
- MUSCLE_INSERT_STRING ("version", VERSION);
-}
-
-
-/*------------------------------------------------------------.
-| Free all the memory consumed by the muscle machinery only. |
-`------------------------------------------------------------*/
-
-void
-muscle_free (void)
-{
- hash_free (muscle_table);
- obstack_free (&muscle_obstack, NULL);
-}
-
-
-
-/*------------------------------------------------------------.
-| Insert (KEY, VALUE). If KEY already existed, overwrite the |
-| previous value. |
-`------------------------------------------------------------*/
-
-void
-muscle_insert (char const *key, char const *value)
-{
- muscle_entry probe;
- muscle_entry *entry;
-
- probe.key = key;
- entry = hash_lookup (muscle_table, &probe);
-
- if (!entry)
- {
- /* First insertion in the hash. */
- entry = xmalloc (sizeof *entry);
- entry->key = key;
- if (!hash_insert (muscle_table, entry))
- xalloc_die ();
- }
- else
- free (entry->storage);
- entry->value = value;
- entry->storage = NULL;
-}
-
-
-/*-------------------------------------------------------------------.
-| Append VALUE to the current value of KEY. If KEY did not already |
-| exist, create it. Use MUSCLE_OBSTACK. De-allocate the previously |
-| associated value. Copy VALUE and SEPARATOR. |
-`-------------------------------------------------------------------*/
-
-void
-muscle_grow (const char *key, const char *val, const char *separator)
-{
- muscle_entry probe;
- muscle_entry *entry = NULL;
-
- probe.key = key;
- entry = hash_lookup (muscle_table, &probe);
-
- if (!entry)
- {
- /* First insertion in the hash. */
- entry = xmalloc (sizeof *entry);
- entry->key = key;
- if (!hash_insert (muscle_table, entry))
- xalloc_die ();
- entry->value = entry->storage = xstrdup (val);
- }
- else
- {
- /* Grow the current value. */
- char *new_val;
- obstack_sgrow (&muscle_obstack, entry->value);
- free (entry->storage);
- obstack_sgrow (&muscle_obstack, separator);
- obstack_sgrow (&muscle_obstack, val);
- obstack_1grow (&muscle_obstack, 0);
- new_val = obstack_finish (&muscle_obstack);
- entry->value = entry->storage = xstrdup (new_val);
- obstack_free (&muscle_obstack, new_val);
- }
-}
-
-/*------------------------------------------------------------------.
-| Using muscle_grow, append a synchronization line for the location |
-| LOC to the current value of KEY. |
-`------------------------------------------------------------------*/
-
-static void
-muscle_syncline_grow (char const *key, location loc)
-{
- char *extension = NULL;
- obstack_fgrow1 (&muscle_obstack, "]b4_syncline(%d, [[", loc.start.line);
- MUSCLE_OBSTACK_SGROW (&muscle_obstack,
- quotearg_style (c_quoting_style, loc.start.file));
- obstack_sgrow (&muscle_obstack, "]])[");
- obstack_1grow (&muscle_obstack, 0);
- extension = obstack_finish (&muscle_obstack);
- muscle_grow (key, extension, "");
- obstack_free (&muscle_obstack, extension);
-}
-
-/*------------------------------------------------------------------.
-| Append VALUE to the current value of KEY, using muscle_grow. But |
-| in addition, issue a synchronization line for the location LOC |
-| using muscle_syncline_grow. |
-`------------------------------------------------------------------*/
-
-void
-muscle_code_grow (const char *key, const char *val, location loc)
-{
- muscle_syncline_grow (key, loc);
- muscle_grow (key, val, "\n");
-}
-
-
-void muscle_pair_list_grow (const char *muscle,
- const char *a1, const char *a2)
-{
- char *pair;
- obstack_sgrow (&muscle_obstack, "[[[");
- MUSCLE_OBSTACK_SGROW (&muscle_obstack, a1);
- obstack_sgrow (&muscle_obstack, "]], [[");
- MUSCLE_OBSTACK_SGROW (&muscle_obstack, a2);
- obstack_sgrow (&muscle_obstack, "]]]");
- obstack_1grow (&muscle_obstack, 0);
- pair = obstack_finish (&muscle_obstack);
- muscle_grow (muscle, pair, ",\n");
- obstack_free (&muscle_obstack, pair);
-}
-
-
-/*----------------------------------------------------------------------------.
-| Find the value of muscle KEY. Unlike MUSCLE_FIND, this is always reliable |
-| to determine whether KEY has a value. |
-`----------------------------------------------------------------------------*/
-
-char const *
-muscle_find_const (char const *key)
-{
- muscle_entry probe;
- muscle_entry *result = NULL;
-
- probe.key = key;
- result = hash_lookup (muscle_table, &probe);
- if (result)
- return result->value;
- return NULL;
-}
-
-
-/*----------------------------------------------------------------------------.
-| Find the value of muscle KEY. Abort if muscle_insert was invoked more |
-| recently than muscle_grow for KEY since muscle_find can't return a |
-| char const *. |
-`----------------------------------------------------------------------------*/
-
-char *
-muscle_find (char const *key)
-{
- muscle_entry probe;
- muscle_entry *result = NULL;
-
- probe.key = key;
- result = hash_lookup (muscle_table, &probe);
- if (result)
- {
- aver (result->value == result->storage);
- return result->storage;
- }
- return NULL;
-}
-
-
-void
-muscle_boundary_grow (char const *key, boundary bound)
-{
- char *extension;
- MUSCLE_OBSTACK_SGROW (&muscle_obstack, bound.file);
- obstack_1grow (&muscle_obstack, ':');
- obstack_fgrow1 (&muscle_obstack, "%d", bound.line);
- obstack_1grow (&muscle_obstack, '.');
- obstack_fgrow1 (&muscle_obstack, "%d", bound.column);
- obstack_1grow (&muscle_obstack, '\0');
- extension = obstack_finish (&muscle_obstack);
- muscle_grow (key, extension, "");
- obstack_free (&muscle_obstack, extension);
-}
-
-void
-muscle_location_grow (char const *key, location loc)
-{
- muscle_grow (key, "[[", "");
- muscle_boundary_grow (key, loc.start);
- muscle_grow (key, "]], [[", "");
- muscle_boundary_grow (key, loc.end);
- muscle_grow (key, "]]", "");
-}
-
-#define MUSCLE_COMMON_DECODE(Value) \
- case '$': \
- aver (*++(Value) == ']'); \
- aver (*++(Value) == '['); \
- obstack_sgrow (&muscle_obstack, "$"); \
- break; \
- case '@': \
- switch (*++(Value)) \
- { \
- case '@': obstack_sgrow (&muscle_obstack, "@" ); break; \
- case '{': obstack_sgrow (&muscle_obstack, "[" ); break; \
- case '}': obstack_sgrow (&muscle_obstack, "]" ); break; \
- default: aver (false); break; \
- } \
- break; \
- default: \
- obstack_1grow (&muscle_obstack, *(Value)); \
- break;
-
-/* Reverse of MUSCLE_OBSTACK_SGROW. */
-static char *
-muscle_string_decode (char const *key)
-{
- char const *value;
- char *value_decoded;
- char *result;
-
- value = muscle_find_const (key);
- if (!value)
- return NULL;
- do {
- switch (*value)
- {
- MUSCLE_COMMON_DECODE (value)
- case '[':
- case ']':
- aver (false);
- break;
- }
- } while (*value++);
- value_decoded = obstack_finish (&muscle_obstack);
- result = xstrdup (value_decoded);
- obstack_free (&muscle_obstack, value_decoded);
- return result;
-}
-
-/* Reverse of muscle_location_grow. */
-static location
-muscle_location_decode (char const *key)
-{
- location loc;
- char const *value = muscle_find_const (key);
- aver (value);
- aver (*value == '[');
- aver (*++value == '[');
- while (*++value)
- switch (*value)
- {
- MUSCLE_COMMON_DECODE (value)
- case '[':
- aver (false);
- break;
- case ']':
- {
- char *boundary_str;
- aver (*++value == ']');
- obstack_1grow (&muscle_obstack, '\0');
- boundary_str = obstack_finish (&muscle_obstack);
- switch (*++value)
- {
- case ',':
- boundary_set_from_string (&loc.start, boundary_str);
- obstack_free (&muscle_obstack, boundary_str);
- aver (*++value == ' ');
- aver (*++value == '[');
- aver (*++value == '[');
- break;
- case '\0':
- boundary_set_from_string (&loc.end, boundary_str);
- obstack_free (&muscle_obstack, boundary_str);
- return loc;
- break;
- default:
- aver (false);
- break;
- }
- }
- break;
- }
- aver (false);
- return loc;
-}
-
-void
-muscle_user_name_list_grow (char const *key, char const *user_name,
- location loc)
-{
- muscle_grow (key, "[[[[", ",");
- muscle_grow (key, user_name, "");
- muscle_grow (key, "]], ", "");
- muscle_location_grow (key, loc);
- muscle_grow (key, "]]", "");
-}
-
-void
-muscle_percent_define_insert (char const *variable, location variable_loc,
- char const *value,
- muscle_percent_define_how how)
-{
- char *variable_tr = NULL;
- char const *name;
- char const *loc_name;
- char const *syncline_name;
- char const *how_name;
-
- /* Permit certain names with underscores for backward compatibility. */
- if (0 == strcmp (variable, "api.push_pull")
- || 0 == strcmp (variable, "lr.keep_unreachable_states"))
- {
- variable_tr = strdup (variable);
- tr (variable_tr, '_', '-');
- variable = variable_tr;
- }
-
- name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
- loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
- syncline_name =
- UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
- how_name = UNIQSTR_CONCAT ("percent_define_how(", variable, ")");
-
- /* Command-line options are processed before the grammar file. */
- if (how == MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE
- && muscle_find_const (name))
- {
- muscle_percent_define_how how_old =
- atoi (muscle_find_const (how_name));
- if (how_old == MUSCLE_PERCENT_DEFINE_F)
- {
- free (variable_tr);
- return;
- }
- complain_at (variable_loc, _("%s `%s' redefined"),
- "%define variable", variable);
- complain_at (muscle_percent_define_get_loc (variable),
- _("previous definition"));
- }
-
- MUSCLE_INSERT_STRING (name, value);
- muscle_insert (loc_name, "");
- muscle_location_grow (loc_name, variable_loc);
- muscle_insert (syncline_name, "");
- muscle_syncline_grow (syncline_name, variable_loc);
- muscle_user_name_list_grow ("percent_define_user_variables", variable,
- variable_loc);
- MUSCLE_INSERT_INT (how_name, how);
-
- free (variable_tr);
-}
-
-char *
-muscle_percent_define_get (char const *variable)
-{
- char const *name;
- char const *usage_name;
- char *value;
-
- name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
- usage_name = UNIQSTR_CONCAT ("percent_define_bison_variables(",
- variable, ")");
-
- muscle_insert (usage_name, "");
- value = muscle_string_decode (name);
- if (!value)
- value = xstrdup ("");
- return value;
-}
-
-location
-muscle_percent_define_get_loc (char const *variable)
-{
- char const *loc_name;
- loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
- if (!muscle_find_const (loc_name))
- fatal(_("undefined %%define variable `%s' passed to"
- " muscle_percent_define_get_loc"), variable);
- return muscle_location_decode (loc_name);
-}
-
-char const *
-muscle_percent_define_get_syncline (char const *variable)
-{
- char const *syncline_name;
- char const *syncline;
- syncline_name =
- UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
- syncline = muscle_find_const (syncline_name);
- if (!syncline)
- fatal(_("undefined %%define variable `%s' passed to"
- " muscle_percent_define_get_syncline"), variable);
- return syncline;
-}
-
-bool
-muscle_percent_define_ifdef (char const *variable)
-{
- char const *name;
- char const *usage_name;
- char const *value;
-
- name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
- usage_name =
- UNIQSTR_CONCAT ("percent_define_bison_variables(", variable, ")");
-
- value = muscle_find_const (name);
- if (value)
- {
- muscle_insert (usage_name, "");
- return true;
- }
-
- return false;
-}
-
-bool
-muscle_percent_define_flag_if (char const *variable)
-{
- char const *invalid_boolean_name;
- bool result = false;
-
- invalid_boolean_name =
- UNIQSTR_CONCAT ("percent_define_invalid_boolean(", variable, ")");
-
- if (muscle_percent_define_ifdef (variable))
- {
- char *value = muscle_percent_define_get (variable);
- if (value[0] == '\0' || 0 == strcmp (value, "true"))
- result = true;
- else if (0 == strcmp (value, "false"))
- result = false;
- else if (!muscle_find_const (invalid_boolean_name))
- {
- muscle_insert (invalid_boolean_name, "");
- complain_at(muscle_percent_define_get_loc (variable),
- _("invalid value for %%define Boolean variable `%s'"),
- variable);
- }
- free (value);
- }
- else
- fatal(_("undefined %%define variable `%s' passed to muscle_percent_define_flag_if"),
- variable);
-
- return result;
-}
-
-void
-muscle_percent_define_default (char const *variable, char const *value)
-{
- char const *name;
- char const *loc_name;
- char const *syncline_name;
- name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
- loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
- syncline_name =
- UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
- if (!muscle_find_const (name))
- {
- location loc;
- MUSCLE_INSERT_STRING (name, value);
- loc.start.file = loc.end.file = "<default value>";
- loc.start.line = loc.end.line = -1;
- loc.start.column = loc.end.column = -1;
- muscle_insert (loc_name, "");
- muscle_location_grow (loc_name, loc);
- muscle_insert (syncline_name, "");
- }
-}
-
-void
-muscle_percent_define_check_values (char const * const *values)
-{
- for (; *values; ++values)
- {
- char const * const *variablep = values;
- char const *name;
- char *value;
-
- name = UNIQSTR_CONCAT ("percent_define(", *variablep, ")");
-
- value = muscle_string_decode (name);
- if (value)
- {
- for (++values; *values; ++values)
- {
- if (0 == strcmp (value, *values))
- break;
- }
- if (!*values)
- {
- location loc = muscle_percent_define_get_loc (*variablep);
- complain_at(loc,
- _("invalid value for %%define variable `%s': `%s'"),
- *variablep, value);
- for (values = variablep + 1; *values; ++values)
- complain_at (loc, _("accepted value: `%s'"), *values);
- }
- else
- {
- while (*values)
- ++values;
- }
- free (value);
- }
- else
- fatal(_("undefined %%define variable `%s' passed to"
- " muscle_percent_define_check_values"),
- *variablep);
- }
-}
-
-void
-muscle_percent_code_grow (char const *qualifier, location qualifier_loc,
- char const *code, location code_loc)
-{
- char const *name;
- name = UNIQSTR_CONCAT ("percent_code(", qualifier, ")");
- muscle_code_grow (name, code, code_loc);
- muscle_user_name_list_grow ("percent_code_user_qualifiers", qualifier,
- qualifier_loc);
-}
-
-
-/*------------------------------------------------.
-| Output the definition of ENTRY as a m4_define. |
-`------------------------------------------------*/
-
-static inline bool
-muscle_m4_output (muscle_entry *entry, FILE *out)
-{
- fprintf (out, "m4_define([b4_%s],\n", entry->key);
- fprintf (out, "[[%s]])\n\n\n", entry->value);
- return true;
-}
-
-static bool
-muscle_m4_output_processor (void *entry, void *out)
-{
- return muscle_m4_output (entry, out);
-}
-
-
-/*----------------------------------------------------------------.
-| Output the definition of all the current muscles into a list of |
-| m4_defines. |
-`----------------------------------------------------------------*/
-
-void
-muscles_m4_output (FILE *out)
-{
- hash_do_for_each (muscle_table, muscle_m4_output_processor, out);
-}
+++ /dev/null
-/* Muscle table manager for Bison,
- Copyright (C) 2001, 2002, 2003, 2006, 2007, 2009 Free Software
- Foundation, Inc.
-
- This file is part of Bison, the GNU Compiler Compiler.
-
- 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 3 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, see <http://www.gnu.org/licenses/>. */
-
-#ifndef MUSCLE_TAB_H_
-# define MUSCLE_TAB_H_
-
-# include "location.h"
-
-void muscle_init (void);
-void muscle_insert (char const *key, char const *value);
-char const *muscle_find_const (char const *key);
-char *muscle_find (char const *key);
-void muscle_free (void);
-
-
-/* An obstack dedicated to receive muscle keys and values. */
-extern struct obstack muscle_obstack;
-
-#define MUSCLE_INSERT_BOOL(Key, Value) \
-do { \
- int v = Value; \
- MUSCLE_INSERT_INT (Key, v); \
-} while(0)
-
-#define MUSCLE_INSERT_INT(Key, Value) \
-do { \
- obstack_fgrow1 (&muscle_obstack, "%d", Value); \
- obstack_1grow (&muscle_obstack, 0); \
- muscle_insert (Key, obstack_finish (&muscle_obstack)); \
-} while(0)
-
-#define MUSCLE_INSERT_LONG_INT(Key, Value) \
-do { \
- obstack_fgrow1 (&muscle_obstack, "%ld", Value); \
- obstack_1grow (&muscle_obstack, 0); \
- muscle_insert (Key, obstack_finish (&muscle_obstack)); \
-} while(0)
-
-#define MUSCLE_INSERT_STRING_RAW(Key, Value) \
-do { \
- obstack_sgrow (&muscle_obstack, Value); \
- obstack_1grow (&muscle_obstack, 0); \
- muscle_insert (Key, obstack_finish (&muscle_obstack)); \
-} while(0)
-
-#define MUSCLE_INSERT_STRING(Key, Value) \
-do { \
- MUSCLE_OBSTACK_SGROW (&muscle_obstack, Value); \
- obstack_1grow (&muscle_obstack, 0); \
- muscle_insert (Key, obstack_finish (&muscle_obstack)); \
-} while(0)
-
-#define MUSCLE_OBSTACK_SGROW(Obstack, Value) \
-do { \
- char const *p; \
- for (p = Value; *p; p++) \
- switch (*p) \
- { \
- case '$': obstack_sgrow (Obstack, "$]["); break; \
- case '@': obstack_sgrow (Obstack, "@@" ); break; \
- case '[': obstack_sgrow (Obstack, "@{" ); break; \
- case ']': obstack_sgrow (Obstack, "@}" ); break; \
- default: obstack_1grow (Obstack, *p); break; \
- } \
-} while(0)
-
-#define MUSCLE_INSERT_C_STRING(Key, Value) \
-do { \
- MUSCLE_OBSTACK_SGROW (&muscle_obstack, \
- quotearg_style (c_quoting_style, \
- Value)); \
- obstack_1grow (&muscle_obstack, 0); \
- muscle_insert (Key, obstack_finish (&muscle_obstack)); \
-} while(0)
-
-/* Append VALUE to the current value of KEY. If KEY did not already
- exist, create it. Use MUSCLE_OBSTACK. De-allocate the previously
- associated value. Copy VALUE and SEPARATOR. */
-
-void muscle_grow (const char *key, const char *value, const char *separator);
-
-
-/* Append VALUE to the current value of KEY, using muscle_grow. But
- in addition, issue a synchronization line for the location LOC. */
-
-void muscle_code_grow (const char *key, const char *value, location loc);
-
-
-/* MUSCLE is an M4 list of pairs. Create or extend it with the pair
- (A1, A2) after escaping both values with digraphs. Note that because the
- muscle values are output *double* quoted, one needs to strip the first level
- of quotes to reach the list itself. */
-void muscle_pair_list_grow (const char *muscle,
- const char *a1, const char *a2);
-
-/* In the format `[[file_name:line.column]], [[file_name:line.column]]', append
- LOC to MUSCLE. Use digraphs for special characters in each file name. */
-void muscle_location_grow (char const *key, location loc);
-
-/* In the format `file_name:line.column', append BOUND to MUSCLE. Use digraphs
- for special characters in the file name. */
-void muscle_boundary_grow (char const *key, boundary bound);
-
-/* Grow KEY for the occurrence of the name USER_NAME at LOC appropriately for
- use with b4_check_user_names in ../data/bison.m4. USER_NAME is not escaped
- with digraphs, so it must not contain `[' or `]'. */
-void muscle_user_name_list_grow (char const *key, char const *user_name,
- location loc);
-
-/* Indicates whether a variable's value was specified with -D/--define, with
- -F/--force-define, or in the grammar file. */
-typedef enum {
- MUSCLE_PERCENT_DEFINE_D = 0, MUSCLE_PERCENT_DEFINE_F,
- MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE
-} muscle_percent_define_how;
-
-/* Define the muscles for %define variable VARIABLE with VALUE specified
- at VARIABLE_LOC in the manner HOW unless it was specified in the
- grammar file while the previous definition for VARIABLE was specified
- with -F/--force-define. Complain if a previous definition is being
- overridden and the new definition is specified in the grammar file.
- (These rules support the documented behavior as long as command-line
- definitions are processed before grammar file definitions.) Record
- this as a user occurrence of VARIABLE by invoking
- muscle_user_name_list_grow. */
-void muscle_percent_define_insert (char const *variable, location variable_loc,
- char const *value,
- muscle_percent_define_how how);
-
-/* Mimic b4_percent_define_get in ../data/bison.m4 exactly. That is, if the
- %define variable VARIABLE is defined, return its value. Otherwise, return
- the empty string. Also, record Bison's usage of VARIABLE by defining
- b4_percent_define_bison_variables(VARIABLE). The caller is responsible for
- freeing the memory of the returned string. */
-char *muscle_percent_define_get (char const *variable);
-
-/* Mimic muscle_percent_define_get_loc in ../data/bison.m4 exactly. That is,
- if the %define variable VARIABLE is undefined, complain fatally since that's
- a Bison error. Otherwise, return its definition location in a form
- approriate for the first argument of warn_at, complain_at, or fatal_at.
- Don't record this as a Bison usage of VARIABLE as there's no reason to
- suspect that the user-supplied value has yet influenced the output. */
-location muscle_percent_define_get_loc (char const *variable);
-
-/* Mimic muscle_percent_define_get_syncline in ../data/bison.m4 exactly. That
- is, if the %define variable VARIABLE is undefined, complain fatally since
- that's a Bison error. Otherwise, return its definition location as a
- b4_syncline invocation. Don't record this as a Bison usage of VARIABLE as
- there's no reason to suspect that the user-supplied value has yet influenced
- the output. */
-char const *muscle_percent_define_get_syncline (char const *variable);
-
-/* Mimic b4_percent_define_ifdef in ../data/bison.m4 exactly. That is, if the
- %define variable VARIABLE is defined, return true. Otherwise, return false.
- Also, record Bison's usage of VARIABLE by defining
- b4_percent_define_bison_variables(VARIABLE). */
-bool muscle_percent_define_ifdef (char const *variable);
-
-/* Mimic b4_percent_define_flag_if in ../data/bison.m4 exactly. That is, if
- the %define variable VARIABLE is defined to "" or "true", return true. If
- it is defined to "false", return false. Complain if it is undefined (a
- Bison error since the default value should have been set already) or defined
- to any other value (possibly a user error). Also, record Bison's usage of
- VARIABLE by defining b4_percent_define_bison_variables(VARIABLE). */
-bool muscle_percent_define_flag_if (char const *variable);
-
-/* Mimic b4_percent_define_default in ../data/bison.m4 exactly. That is, if
- the %define variable VARIABLE is undefined, set its value to VALUE.
- Don't record this as a Bison usage of VARIABLE as there's no reason to
- suspect that the value has yet influenced the output. */
-void muscle_percent_define_default (char const *variable, char const *value);
-
-/* Mimic b4_percent_define_check_values in ../data/bison.m4 exactly except that
- the VALUES structure is more appropriate for C. That is, VALUES points to a
- list of strings that is partitioned into sublists by NULL's, one terminating
- each sublist. The last sublist is followed by a second NULL. For each
- sublist, the first string is the name of a %define variable, and all
- remaining strings in that sublist are the valid values for that variable.
- Complain if such a variable is undefined (a Bison error since the default
- value should have been set already) or defined to any other value (possibly
- a user error). Don't record this as a Bison usage of the variable as
- there's no reason to suspect that the value has yet influenced the
- output. */
-void muscle_percent_define_check_values (char const * const *values);
-
-/* Grow the muscle for the %code qualifier QUALIFIER appearing at
- QUALIFIER_LOC with code CODE appearing at CODE_LOC. Record this as a
- user occurrence of QUALIFIER by invoking
- muscle_user_name_list_grow. */
-void muscle_percent_code_grow (char const *qualifier, location qualifier_loc,
- char const *code, location code_loc);
-
-void muscles_m4_output (FILE *out);
-
-#endif /* not MUSCLE_TAB_H_ */
#include "files.h"
#include "getargs.h"
#include "gram.h"
-#include "muscle_tab.h"
+#include "muscle-tab.h"
#include "output.h"
#include "reader.h"
#include "scan-code.h" /* max_left_semantic_context */
-/* A Bison parser, made by GNU Bison 2.4.1.153-9637-dirty. */
+/* A Bison parser, made by GNU Bison 2.4.1.155-0ab4-dirty. */
/* Skeleton implementation for Bison's Yacc-like parsers in C
#define YYBISON 1
/* Bison version. */
-#define YYBISON_VERSION "2.4.1.153-9637-dirty"
+#define YYBISON_VERSION "2.4.1.155-0ab4-dirty"
/* Skeleton name. */
#define YYSKELETON_NAME "yacc.c"
#include "files.h"
#include "getargs.h"
#include "gram.h"
-#include "muscle_tab.h"
+#include "muscle-tab.h"
#include "named-ref.h"
#include "quotearg.h"
#include "reader.h"
-/* A Bison parser, made by GNU Bison 2.4.1.153-9637-dirty. */
+/* A Bison parser, made by GNU Bison 2.4.1.155-0ab4-dirty. */
/* Skeleton interface for Bison's Yacc-like parsers in C
#include "files.h"
#include "getargs.h"
#include "gram.h"
-#include "muscle_tab.h"
+#include "muscle-tab.h"
#include "named-ref.h"
#include "quotearg.h"
#include "reader.h"
#include "getargs.h"
#include "gram.h"
#include "lalr.h"
-#include "muscle_tab.h"
+#include "muscle-tab.h"
#include "print.h"
#include "reader.h"
#include "reduce.h"
#include "files.h"
#include "getargs.h"
#include "gram.h"
-#include "muscle_tab.h"
+#include "muscle-tab.h"
#include "reader.h"
#include "symlist.h"
#include "symtab.h"
#include "getargs.h"
#include "gram.h"
#include "lalr.h"
-#include "muscle_tab.h"
+#include "muscle-tab.h"
#include "reader.h"
#include "symtab.h"
#include "tables.h"
projects / bison.git / commitdiff
