X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f124d4233fcdb7c5e5cb966cbe24f060e737190f..4b7a4c1b1c8c18e9ad2517c117442b9b7d7e671a:/src/muscle_tab.c
diff --git a/src/muscle_tab.c b/src/muscle_tab.c
index 9f671673..c25b519d 100644
--- a/src/muscle_tab.c
+++ b/src/muscle_tab.c
@@ -1,24 +1,22 @@
/* Muscle table manager for Bison.
- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
- Foundation, Inc.
+ 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.
- Bison is free software; you can redistribute it and/or modify
+ 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 2, or (at your option)
- any later version.
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- Bison is distributed in the hope that it will be useful,
+ 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 Bison; see the file COPYING. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see . */
#include
#include "system.h"
@@ -87,7 +85,6 @@ muscle_init (void)
/* Version and input file. */
MUSCLE_INSERT_STRING ("version", VERSION);
- MUSCLE_INSERT_C_STRING ("file_name", grammar_file);
}
@@ -123,7 +120,8 @@ muscle_insert (char const *key, char const *value)
/* First insertion in the hash. */
entry = xmalloc (sizeof *entry);
entry->key = key;
- hash_insert (muscle_table, entry);
+ if (!hash_insert (muscle_table, entry))
+ xalloc_die ();
}
else
free (entry->storage);
@@ -152,7 +150,8 @@ muscle_grow (const char *key, const char *val, const char *separator)
/* First insertion in the hash. */
entry = xmalloc (sizeof *entry);
entry->key = key;
- hash_insert (muscle_table, entry);
+ if (!hash_insert (muscle_table, entry))
+ xalloc_die ();
entry->value = entry->storage = xstrdup (val);
}
else
@@ -170,27 +169,38 @@ muscle_grow (const char *key, const char *val, 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. |
+| Using muscle_grow, append a synchronization line for the location |
+| LOC to the current value of KEY. |
`------------------------------------------------------------------*/
-void
-muscle_code_grow (const char *key, const char *val, location loc)
+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, "]])[\n");
- obstack_sgrow (&muscle_obstack, val);
+ 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)
@@ -393,26 +403,57 @@ do { \
void
muscle_percent_define_insert (char const *variable, location variable_loc,
- char const *value)
+ 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;
+ }
MUSCLE_USER_NAME_CONVERT (name, "percent_define(", variable, ")");
MUSCLE_USER_NAME_CONVERT (loc_name, "percent_define_loc(", variable, ")");
+ MUSCLE_USER_NAME_CONVERT (syncline_name,
+ "percent_define_syncline(", variable, ")");
+ MUSCLE_USER_NAME_CONVERT (how_name, "percent_define_how(", variable, ")");
- if (muscle_find_const (name))
+ /* Command-line options are processed before the grammar file. */
+ if (how == MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE
+ && muscle_find_const (name))
{
- warn_at (variable_loc, _("%s `%s' redefined"),
- "%define variable", variable);
- warn_at (muscle_location_decode (loc_name), _("previous definition"));
+ 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_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 *
@@ -433,6 +474,31 @@ muscle_percent_define_get (char const *variable)
return value;
}
+location
+muscle_percent_define_get_loc (char const *variable)
+{
+ char const *loc_name;
+ MUSCLE_USER_NAME_CONVERT (loc_name, "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;
+ MUSCLE_USER_NAME_CONVERT (syncline_name,
+ "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)
{
@@ -457,15 +523,11 @@ muscle_percent_define_ifdef (char const *variable)
bool
muscle_percent_define_flag_if (char const *variable)
{
- char const *name;
- char const *loc_name;
- char const *usage_name;
+ char const *invalid_boolean_name;
bool result = false;
- MUSCLE_USER_NAME_CONVERT (name, "percent_define(", variable, ")");
- MUSCLE_USER_NAME_CONVERT (loc_name, "percent_define_loc(", variable, ")");
- MUSCLE_USER_NAME_CONVERT (usage_name, "percent_define_bison_variables(",
- variable, ")");
+ MUSCLE_USER_NAME_CONVERT (invalid_boolean_name,
+ "percent_define_invalid_boolean(", variable, ")");
if (muscle_percent_define_ifdef (variable))
{
@@ -474,10 +536,13 @@ muscle_percent_define_flag_if (char const *variable)
result = true;
else if (0 == strcmp (value, "false"))
result = false;
- else if (!muscle_find_const (usage_name))
- complain_at(muscle_location_decode (loc_name),
- _("invalid value for %%define boolean variable `%s'"),
- variable);
+ 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
@@ -492,30 +557,66 @@ muscle_percent_define_default (char const *variable, char const *value)
{
char const *name;
char const *loc_name;
+ char const *syncline_name;
MUSCLE_USER_NAME_CONVERT (name, "percent_define(", variable, ")");
MUSCLE_USER_NAME_CONVERT (loc_name, "percent_define_loc(", variable, ")");
+ MUSCLE_USER_NAME_CONVERT (syncline_name,
+ "percent_define_syncline(", variable, ")");
if (!muscle_find_const (name))
{
location loc;
MUSCLE_INSERT_STRING (name, value);
- loc.start.file = loc.end.file = "[Bison:muscle_percent_define_default]";
- loc.start.line = loc.start.column = 0;
- loc.end.line = loc.end.column = 0;
+ loc.start.file = loc.end.file = "";
+ 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_invalid_value (char const *variable)
+muscle_percent_define_check_values (char const * const *values)
{
- char const *loc_name;
- MUSCLE_USER_NAME_CONVERT (loc_name, "percent_define_loc(", variable, ")");
- complain_at(muscle_location_decode (loc_name),
- _("invalid value for %%define variable `%s'"), variable);
+ for (; *values; ++values)
+ {
+ char const * const *variablep = values;
+ char const *name;
+ char *value;
+
+ MUSCLE_USER_NAME_CONVERT (name, "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)