Handle logical xor.

src/libs/glsl/glsl.g

@@ -26,10 +26,6 @@
 -- contact the sales department at http://qt.nokia.com/contact.
 ---------------------------------------------------------------------------
 
---
--- todo:
---    spelling of XOR_OP and CARET
-
 %decl glslparser.h
 %impl glslparser.cpp
 %parser GLSLParserTable
@@ -204,7 +200,7 @@
 %token VOID "void"
 %token WHILE "while"
 %token XOR_ASSIGN "^="
-%token XOR_OP "^"
+%token XOR_OP "^^"
 %token TRUE "true"
 %token FALSE "false"
 %token PREPROC "preprocessor directive"

src/libs/glsl/glsllexer.cpp

@@ -331,8 +331,11 @@ int Lexer::yylex_helper(const char **position, int *line)
         if (_yychar == '=') {
             yyinp();
             return Parser::T_XOR_ASSIGN;
+        } else if (_yychar == '^') {
+            yyinp();
+            return Parser::T_XOR_OP;
         }
-        return Parser::T_XOR_OP;
+        return Parser::T_CARET;
 
         // {
     case '{':

src/libs/glsl/glslparser.h

@@ -1,5 +1,5 @@
 
-#line 217 "./glsl.g"
+#line 213 "./glsl.g"
 
 /**************************************************************************
 **

src/libs/glsl/glslparsertable.cpp

@@ -61,7 +61,7 @@ const char *const GLSLParserTable::spell [] = {
   "samplerCube", "samplerCubeArray", "samplerCubeArrayShadow", "samplerCubeShadow", ";", "/", "smooth", "*", "struct", "subroutine", 
   "-=", "switch", "~", "type_name", "uint", "uniform", "usampler1D", "usampler1DArray", "usampler2D", "usampler2DArray", 
   "usampler2DMS", "usampler2DMSarray", "usampler2DRect", "usampler3D", "usamplerBuffer", "usamplerCube", "usamplerCubeArray", "uvec2", "uvec3", "uvec4", 
-  "varying", "vec2", "vec3", "vec4", "|", "void", "while", "^=", "^", "true", 
+  "varying", "vec2", "vec3", "vec4", "|", "void", "while", "^=", "^^", "true", 
   "false", "preprocessor directive", "comment", "error", "reserved word"};
 
 const short GLSLParserTable::lhs [] = {