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 <http://www.gnu.org/licenses/>. */
#include <config.h>
#include "system.h"
}
}
-
/*------------------------------------------------------------------.
-| 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)
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)
while (*++value)
switch (*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;
+ MUSCLE_COMMON_DECODE (value)
case '[':
aver (false);
break;
}
}
break;
- default:
- obstack_1grow (&muscle_obstack, *value);
- break;
}
aver (false);
return loc;
{
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))
{
warn_at (variable_loc, _("%s `%s' redefined"),
"%define variable", variable);
- warn_at (muscle_location_decode (loc_name), _("previous definition"));
+ warn_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);
}
-bool
-muscle_percent_define_flag_if (char const *variable)
+char *
+muscle_percent_define_get (char const *variable)
{
char const *name;
+ char const *usage_name;
+ char *value;
+
+ MUSCLE_USER_NAME_CONVERT (name, "percent_define(", variable, ")");
+ MUSCLE_USER_NAME_CONVERT (usage_name, "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;
+ 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)
+{
+ char const *name;
char const *usage_name;
char const *value;
- 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, ")");
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;
+
+ MUSCLE_USER_NAME_CONVERT (invalid_boolean_name,
+ "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 (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
fatal(_("undefined %%define variable `%s' passed to muscle_percent_define_flag_if"),
variable);
- muscle_insert (usage_name, "");
-
return result;
}
{
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.line = loc.end.line = 1;
+ loc.start.column = loc.end.column = 0;
muscle_insert (loc_name, "");
muscle_location_grow (loc_name, loc);
+ muscle_insert (syncline_name, "");
+ muscle_syncline_grow (syncline_name, loc);
+ }
+}
+
+void
+muscle_percent_define_check_values (char const * const *values)
+{
+ for (; *values; ++values)
+ {
+ char const *variable = *values;
+ char const *name;
+ char *value;
+
+ MUSCLE_USER_NAME_CONVERT (name, "percent_define(", variable, ")");
+
+ value = muscle_string_decode (name);
+ if (value)
+ {
+ bool valid = false;
+ for (++values; *values; ++values)
+ {
+ if (0 == strcmp (value, *values))
+ {
+ valid = true;
+ while (*values)
+ ++values;
+ break;
+ }
+ }
+ if (!valid)
+ complain_at(muscle_percent_define_get_loc (variable),
+ _("invalid value for %%define variable `%s': `%s'"),
+ variable, value);
+ free (value);
+ }
+ else
+ fatal(_("undefined %%define variable `%s' passed to muscle_percent_define_check_values"),
+ variable);
}
}
projects / bison.git / blobdiff