Add %define lr.keep_unreachable_states.

[bison.git] / src / parse-gram.y

diff --git a/src/parse-gram.y b/src/parse-gram.y
index 86c1decea0f16c39efde6fb729773c06748646bb..e50ec271834fc38da83dbba228cb02f795558744 100644 (file)
--- a/src/parse-gram.y
+++ b/src/parse-gram.y
@@ -5,9 +5,9 @@
 
    This file is part of Bison, the GNU Compiler Compiler.
 
-   This program 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 of the License, or
+   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,
@@ -16,10 +16,7 @@
    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, 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"
@@ -153,9 +150,6 @@ static int current_prec = 0;
   PERCENT_OUTPUT          "%output"
   PERCENT_PARSE_PARAM     "%parse-param"
   PERCENT_PURE_PARSER     "%pure-parser"
-  PERCENT_PUSH_PARSER     "%push-parser"
-  PERCENT_PUSH_PULL_PARSER
-                          "%push-pull-parser"
   PERCENT_REQUIRE        "%require"
   PERCENT_SKELETON        "%skeleton"
   PERCENT_START           "%start"
@@ -235,17 +229,7 @@ prologue_declaration:
 | "%debug"                         { debug_flag = true; }
 | "%define" variable content.opt
     {
-      char const name_prefix[] = "percent_define(";
-      size_t length = strlen ($2);
-      char *name = xmalloc (sizeof name_prefix + length + 1);
-      strcpy (name, name_prefix);
-      strcpy (name + sizeof name_prefix - 1, $2);
-      strcpy (name + sizeof name_prefix - 1 + length, ")");
-      if (muscle_find_const (name))
-        warn_at (@2, _("%s `%s' redefined"), "%define variable", $2);
-      MUSCLE_INSERT_STRING (uniqstr_new (name), $3);
-      free (name);
-      muscle_grow_user_name_list ("percent_define_user_variables", $2, @2);
+      muscle_percent_define_insert ($2, @2, $3);
     }
 | "%defines"                       { defines_flag = true; }
 | "%defines" STRING
@@ -283,8 +267,6 @@ prologue_declaration:
 | "%output" "=" STRING          { spec_outfile = $3; }  /* deprecated */
 | "%parse-param" "{...}"       { add_param ("parse_param", $2, @2); }
 | "%pure-parser"                { pure_parser = true; }
-| "%push-parser"                { push_parser = true; pull_parser = false; }
-| "%push-pull-parser"           { push_parser = true; pull_parser = true; }
 | "%require" STRING             { version_check (&@2, $2); }
 | "%skeleton" STRING
     {
@@ -347,21 +329,15 @@ grammar_declaration:
     }
 | "%code" braceless
     {
+      /* Do not invoke muscle_percent_code_grow here since it invokes
+         muscle_user_name_list_grow.  */
       muscle_code_grow ("percent_code()", $2, @2);
       code_scanner_last_string_free ();
     }
 | "%code" ID braceless
     {
-      char const name_prefix[] = "percent_code(";
-      size_t length = strlen ($2);
-      char *name = xmalloc (sizeof name_prefix + length + 1);
-      strcpy (name, name_prefix);
-      strcpy (name + sizeof name_prefix - 1, $2);
-      strcpy (name + sizeof name_prefix - 1 + length, ")");
-      muscle_code_grow (uniqstr_new (name), $3, @3);
-      free (name);
+      muscle_percent_code_grow ($2, @2, $3, @3);
       code_scanner_last_string_free ();
-      muscle_grow_user_name_list ("percent_code_user_qualifiers", $2, @2);
     }
 ;