Bison: Non-functional: Move to revision 3.0.4.

This hopefully prevents obsucuring actual changes in a future commit.

Also, adds a script to update the grammar.

README.md

@@ -63,6 +63,12 @@ bison --defines=MachineIndependent/glslang_tab.cpp.h
       -o MachineIndependent/glslang_tab.cpp
 ```
 
+The above command is also available in the bash script at:
+
+```
+glslang/updateGrammar
+```
+
 Glslang is adding the ability to test with
 [Google Test](https://github.com/google/googletest) framework. If you want to
 build and run those tests, please make sure you have a copy of Google Tests

glslang/MachineIndependent/glslang_tab.cpp.h

@@ -1,8 +1,8 @@
-/* A Bison parser, made by GNU Bison 2.7.  */
+/* A Bison parser, made by GNU Bison 3.0.4.  */
 
 /* Bison interface for Yacc-like parsers in C
 
-      Copyright (C) 1984, 1989-1990, 2000-2012 Free Software Foundation, Inc.
+   Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.
 
    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
@@ -30,9 +30,9 @@
    This special exception was added by the Free Software Foundation in
    version 2.2 of Bison.  */
 
-#ifndef YY_YY_GLSLANG_TAB_CPP_H_INCLUDED
-# define YY_YY_GLSLANG_TAB_CPP_H_INCLUDED
-/* Enabling traces.  */
+#ifndef YY_YY_MACHINEINDEPENDENT_GLSLANG_TAB_CPP_H_INCLUDED
+# define YY_YY_MACHINEINDEPENDENT_GLSLANG_TAB_CPP_H_INCLUDED
+/* Debug traces.  */
 #ifndef YYDEBUG
 # define YYDEBUG 1
 #endif
@@ -40,12 +40,11 @@
 extern int yydebug;
 #endif
 
-/* Tokens.  */
+/* Token type.  */
 #ifndef YYTOKENTYPE
 # define YYTOKENTYPE
-   /* Put the tokens into the symbol table, so that GDB and other debuggers
-      know about them.  */
-   enum yytokentype {
+  enum yytokentype
+  {
     ATTRIBUTE = 258,
     VARYING = 259,
     CONST = 260,
@@ -316,12 +315,12 @@ extern int yydebug;
   };
 #endif
 
-
+/* Value type.  */
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
-typedef union YYSTYPE
+
+union YYSTYPE
 {
-/* Line 2058 of yacc.c  */
-#line 66 "glslang.y"
+#line 66 "MachineIndependent/glslang.y" /* yacc.c:1909  */
 
     struct {
         glslang::TSourceLoc loc;
@@ -355,28 +354,16 @@ typedef union YYSTYPE
         };
     } interm;
 
+#line 358 "MachineIndependent/glslang_tab.cpp.h" /* yacc.c:1909  */
+};
 
-/* Line 2058 of yacc.c  */
-#line 361 "glslang_tab.cpp.h"
-} YYSTYPE;
+typedef union YYSTYPE YYSTYPE;
 # define YYSTYPE_IS_TRIVIAL 1
-# define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
 #endif
 
 
-#ifdef YYPARSE_PARAM
-#if defined __STDC__ || defined __cplusplus
-int yyparse (void *YYPARSE_PARAM);
-#else
-int yyparse ();
-#endif
-#else /* ! YYPARSE_PARAM */
-#if defined __STDC__ || defined __cplusplus
-int yyparse (glslang::TParseContext* pParseContext);
-#else
-int yyparse ();
-#endif
-#endif /* ! YYPARSE_PARAM */
 
-#endif /* !YY_YY_GLSLANG_TAB_CPP_H_INCLUDED  */
+int yyparse (glslang::TParseContext* pParseContext);
+
+#endif /* !YY_YY_MACHINEINDEPENDENT_GLSLANG_TAB_CPP_H_INCLUDED  */

glslang/updateGrammar

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+bison --defines=MachineIndependent/glslang_tab.cpp.h -t MachineIndependent/glslang.y -o MachineIndependent/glslang_tab.cpp