/* Muscle table manager for Bison.
- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
- 2010 Free Software Foundation, Inc.
+ Copyright (C) 2001-2012 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
#include "system.h"
#include <hash.h>
-#include <quotearg.h>
#include "complain.h"
#include "files.h"
-#include "muscle-tab.h"
#include "getargs.h"
+#include "muscle-tab.h"
+#include "quote.h"
/* A key-value pair, along with storage that can be reclaimed when
this pair is no longer needed. */
{
muscle_entry const *m1 = x;
muscle_entry const *m2 = y;
- return strcmp (m1->key, m2->key) == 0;
+ return STREQ (m1->key, m2->key);
}
static size_t
obstack_init (&muscle_obstack);
muscle_table = hash_initialize (HT_INITIAL_CAPACITY, NULL, hash_muscle,
- hash_compare_muscles, muscle_entry_free);
+ hash_compare_muscles, muscle_entry_free);
/* Version and input file. */
MUSCLE_INSERT_STRING ("version", VERSION);
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));
+ quotearg_style (c_quoting_style, loc.start.file));
obstack_sgrow (&muscle_obstack, "]])[");
obstack_1grow (&muscle_obstack, 0);
extension = obstack_finish (&muscle_obstack);
void muscle_pair_list_grow (const char *muscle,
- const char *a1, const char *a2)
+ const char *a1, const char *a2)
{
char *pair;
obstack_sgrow (&muscle_obstack, "[[[");
muscle_grow (key, "]]", "");
}
+/** If the \a variable name is obsolete, return the name to use,
+ * otherwise \a variable. */
+static
+char const *
+muscle_percent_variable_update (char const *variable)
+{
+ typedef struct
+ {
+ const char *obsolete;
+ const char *updated;
+ } conversion_type;
+ const conversion_type conversion[] =
+ {
+ { "api.push_pull", "api.push-pull", },
+ { "lr.keep_unreachable_states", "lr.keep-unreachable-states", },
+ { "namespace", "api.namespace", },
+ };
+ int i;
+ for (i = 0; i < sizeof conversion / sizeof *conversion; ++i)
+ if (STREQ (conversion[i].obsolete, variable))
+ return conversion[i].updated;
+ return variable;
+}
+
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;
- }
+ variable = muscle_percent_variable_update (variable);
name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
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, _("%%define variable `%s' redefined"),
- variable);
+ return;
+ complain_at (variable_loc, _("%%define variable %s redefined"),
+ quote (variable));
complain_at (muscle_percent_define_get_loc (variable),
_("previous definition"));
}
muscle_user_name_list_grow ("percent_define_user_variables", variable,
variable_loc);
MUSCLE_INSERT_INT (how_name, how);
+}
- free (variable_tr);
+/* This is used for backward compatibility, e.g., "%define api.pure"
+ supersedes "%pure-parser". */
+void
+muscle_percent_define_ensure (char const *variable, location loc,
+ bool value)
+{
+ char const *val = value ? "" : "false";
+ char const *name;
+ name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+
+ /* %pure-parser is deprecated in favor of `%define api.pure', so use
+ `%define api.pure' in a backward-compatible manner here. First,
+ don't complain if %pure-parser is specified multiple times. */
+ if (!muscle_find_const (name))
+ muscle_percent_define_insert (variable, loc, val,
+ MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE);
+ /* In all cases, use api.pure now so that the backend doesn't complain if
+ the skeleton ignores api.pure, but do warn now if there's a previous
+ conflicting definition from an actual %define. */
+ if (muscle_percent_define_flag_if (variable) != value)
+ muscle_percent_define_insert (variable, loc, val,
+ MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE);
}
char *
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);
+ fatal(_("%s: undefined %%define variable %s"),
+ "muscle_percent_define_get_loc", quote (variable));
return muscle_location_decode (loc_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);
+ fatal(_("%s: undefined %%define variable %s"),
+ "muscle_percent_define_get_syncline", quote (variable));
return syncline;
}
if (muscle_percent_define_ifdef (variable))
{
char *value = muscle_percent_define_get (variable);
- if (value[0] == '\0' || 0 == strcmp (value, "true"))
+ if (value[0] == '\0' || STREQ (value, "true"))
result = true;
- else if (0 == strcmp (value, "false"))
+ else if (STREQ (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);
+ _("invalid value for %%define Boolean variable %s"),
+ quote (variable));
}
free (value);
}
else
- fatal(_("undefined %%define variable `%s' passed to muscle_percent_define_flag_if"),
- variable);
+ fatal(_("%s: undefined %%define variable %s"),
+ "muscle_percent_define_flag", quote (variable));
return result;
}
{
for (++values; *values; ++values)
{
- if (0 == strcmp (value, *values))
+ if (STREQ (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);
+ _("invalid value for %%define variable %s: %s"),
+ quote (*variablep), quote_n (1, value));
for (values = variablep + 1; *values; ++values)
- complain_at (loc, _("accepted value: `%s'"), *values);
+ complain_at (loc, _("accepted value: %s"), quote (*values));
}
else
{
free (value);
}
else
- fatal(_("undefined %%define variable `%s' passed to"
- " muscle_percent_define_check_values"),
- *variablep);
+ fatal (_("%s: undefined %%define variable %s"),
+ "muscle_percent_define_check_values", quote (*variablep));
}
}
projects / bison.git / blobdiff