/* Muscle table manager for Bison.
- Copyright (C) 2001-2012 Free Software Foundation, Inc.
+ Copyright (C) 2001-2013 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
static char *
string_decode (char const *key)
{
- char const *value;
+ char const *value = muscle_find_const (key);
char *value_decoded;
char *result;
- value = muscle_find_const (key);
if (!value)
return NULL;
do {
muscle_grow (key, "]]", "");
}
+
+/** Return an allocated string that represents the %define directive
+ that performs the assignment.
+
+ @param assignment "VAR", or "VAR=VAL".
+ @param value default value if VAL \a assignment has no '='.
+
+ For instance:
+ "foo", NULL => "%define foo"
+ "foo", "baz" => "%define foo baz"
+ "foo=bar", NULL => "%define foo bar"
+ "foo=bar", "baz" => "%define foo bar"
+ "foo=", NULL => "%define foo"
+ "foo=", "baz" => "%define foo"
+ */
+
+static
+char *
+define_directive (char const *assignment, char const *value)
+{
+ char *eq = strchr (assignment, '=');
+ char const *fmt = !eq && value && *value ? "%%define %s %s" : "%%define %s";
+ char *res = xmalloc (strlen (fmt) + strlen (assignment)
+ + (value ? strlen (value) : 0));
+ sprintf (res, fmt, assignment, value);
+ eq = strchr (res, '=');
+ if (eq)
+ *eq = eq[1] ? ' ' : '\0';
+ return res;
+}
+
/** If the \a variable name is obsolete, return the name to use,
- * otherwise \a variable. */
+ * otherwise \a variable. If the \a value is obsolete, update it too.
+ *
+ * Allocates the returned value. */
static
-char const *
-muscle_percent_variable_update (char const *variable)
+char *
+muscle_percent_variable_update (char const *variable, location variable_loc,
+ char const **value)
{
typedef struct
{
const conversion_type conversion[] =
{
{ "api.push_pull", "api.push-pull", },
- { "lr.keep_unreachable_states", "lr.keep-unreachable-states", },
+ { "api.tokens.prefix", "api.token.prefix", },
+ { "lex_symbol", "api.token.constructor", },
+ { "location_type", "api.location.type", },
+ { "lr.default-reductions", "lr.default-reduction", },
+ { "lr.keep-unreachable-states", "lr.keep-unreachable-state", },
+ { "lr.keep_unreachable_states", "lr.keep-unreachable-state", },
{ "namespace", "api.namespace", },
+ { "stype", "api.value.type", },
+ { "variant=", "api.value.type=variant", },
+ { "variant=true", "api.value.type=variant", },
+ { NULL, NULL, }
};
- int i;
- for (i = 0; i < sizeof conversion / sizeof *conversion; ++i)
- if (STREQ (conversion[i].obsolete, variable))
- return conversion[i].updated;
- return variable;
+ conversion_type const *c;
+ for (c = conversion; c->obsolete; ++c)
+ {
+ char const *eq = strchr (c->obsolete, '=');
+ if (eq
+ ? (!strncmp (c->obsolete, variable, eq - c->obsolete)
+ && STREQ (eq + 1, *value))
+ : STREQ (c->obsolete, variable))
+ {
+ char *old = define_directive (c->obsolete, *value);
+ char *upd = define_directive (c->updated, *value);
+ deprecated_directive (&variable_loc, old, upd);
+ free (old);
+ free (upd);
+ char *res = xstrdup (c->updated);
+ {
+ char *eq2 = strchr (res, '=');
+ if (eq2)
+ {
+ *eq2 = '\0';
+ *value = eq2 + 1;
+ }
+ }
+ return res;
+ }
+ }
+ return xstrdup (variable);
}
void
-muscle_percent_define_insert (char const *variable, location variable_loc,
+muscle_percent_define_insert (char const *var, location variable_loc,
char const *value,
muscle_percent_define_how how)
{
- char const *name;
- char const *loc_name;
- char const *syncline_name;
- char const *how_name;
-
- /* Permit certain names with underscores for backward compatibility. */
- variable = muscle_percent_variable_update (variable);
-
- name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
- loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
- syncline_name =
+ /* Backward compatibility. */
+ char *variable = muscle_percent_variable_update (var, variable_loc, &value);
+ char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+ char const *loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
+ char const *syncline_name =
UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
- how_name = UNIQSTR_CONCAT ("percent_define_how(", variable, ")");
+ char const *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));
+ muscle_percent_define_how how_old = atoi (muscle_find_const (how_name));
+ unsigned i = 0;
if (how_old == MUSCLE_PERCENT_DEFINE_F)
- return;
- complain_at (variable_loc, complaint, _("%%define variable %s redefined"),
- quote (variable));
+ goto end;
+ complain_indent (&variable_loc, complaint, &i,
+ _("%%define variable %s redefined"),
+ quote (variable));
+ i += SUB_INDENT;
location loc = muscle_percent_define_get_loc (variable);
- complain_at (loc, complaint, _("previous definition"));
+ complain_indent (&loc, complaint, &i, _("previous definition"));
}
MUSCLE_INSERT_STRING (name, value);
muscle_user_name_list_grow ("percent_define_user_variables", variable,
variable_loc);
MUSCLE_INSERT_INT (how_name, how);
+ end:
+ free (variable);
}
/* This is used for backward compatibility, e.g., "%define api.pure"
bool value)
{
char const *val = value ? "" : "false";
- char const *name;
- name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+ char const *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,
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 = string_decode (name);
+ char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+ char const *usage_name =
+ UNIQSTR_CONCAT ("percent_define_bison_variables(", variable, ")");
+ char *value = string_decode (name);
if (!value)
value = xstrdup ("");
+
+ muscle_insert (usage_name, "");
return value;
}
location
muscle_percent_define_get_loc (char const *variable)
{
- char const *loc_name;
- loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
+ char const *loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
if (!muscle_find_const (loc_name))
- complain (fatal, _("%s: undefined %%define variable %s"),
- "muscle_percent_define_get_loc", quote (variable));
+ complain (NULL, fatal, _("%s: undefined %%define variable %s"),
+ "muscle_percent_define_get_loc", quote (variable));
return location_decode (loc_name);
}
char const *
muscle_percent_define_get_syncline (char const *variable)
{
- char const *syncline_name;
- char const *syncline;
- syncline_name =
+ char const *syncline_name =
UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
- syncline = muscle_find_const (syncline_name);
+ char const *syncline = muscle_find_const (syncline_name);
if (!syncline)
- complain (fatal, _("%s: undefined %%define variable %s"),
- "muscle_percent_define_get_syncline", quote (variable));
+ complain (NULL, fatal, _("%s: undefined %%define variable %s"),
+ "muscle_percent_define_get_syncline", quote (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 =
+ char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+ char const *usage_name =
UNIQSTR_CONCAT ("percent_define_bison_variables(", variable, ")");
-
- value = muscle_find_const (name);
+ char const *value = muscle_find_const (name);
if (value)
{
muscle_insert (usage_name, "");
bool
muscle_percent_define_flag_if (char const *variable)
{
- char const *invalid_boolean_name;
- bool result = false;
-
- invalid_boolean_name =
+ char const *invalid_boolean_name =
UNIQSTR_CONCAT ("percent_define_invalid_boolean(", variable, ")");
+ bool result = false;
if (muscle_percent_define_ifdef (variable))
{
{
muscle_insert (invalid_boolean_name, "");
location loc = muscle_percent_define_get_loc (variable);
- complain_at (loc, complaint,
- _("invalid value for %%define Boolean variable %s"),
- quote (variable));
+ complain (&loc, complaint,
+ _("invalid value for %%define Boolean variable %s"),
+ quote (variable));
}
free (value);
}
else
- complain (fatal, _("%s: undefined %%define variable %s"),
+ complain (NULL, fatal, _("%s: undefined %%define variable %s"),
"muscle_percent_define_flag", quote (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 =
+ char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")");
+ char const *loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")");
+ char const *syncline_name =
UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")");
if (!muscle_find_const (name))
{
for (; *values; ++values)
{
char const * const *variablep = values;
- char const *name;
- char *value;
-
- name = UNIQSTR_CONCAT ("percent_define(", *variablep, ")");
-
- value = string_decode (name);
+ char const *name = UNIQSTR_CONCAT ("percent_define(", *variablep, ")");
+ char *value = string_decode (name);
if (value)
{
for (++values; *values; ++values)
}
if (!*values)
{
+ unsigned i = 0;
location loc = muscle_percent_define_get_loc (*variablep);
- complain_at (loc, complaint,
- _("invalid value for %%define variable %s: %s"),
- quote (*variablep), quote_n (1, value));
+ complain_indent (&loc, complaint, &i,
+ _("invalid value for %%define variable %s: %s"),
+ quote (*variablep), quote_n (1, value));
+ i += SUB_INDENT;
for (values = variablep + 1; *values; ++values)
- complain_at (loc, complaint, _("accepted value: %s"),
- quote (*values));
+ complain_indent (&loc, complaint | no_caret, &i,
+ _("accepted value: %s"), quote (*values));
}
else
{
free (value);
}
else
- complain (fatal, _("%s: undefined %%define variable %s"),
+ complain (NULL, fatal, _("%s: undefined %%define variable %s"),
"muscle_percent_define_check_values", quote (*variablep));
}
}
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, ")");
+ char const *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);
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);
+ fprintf (out,
+ "m4_define([b4_%s],\n"
+ "[[%s]])\n\n\n", entry->key, entry->value);
return true;
}
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