Unprefix CSS Variables

Source/core/css/CSSGrammar.y.in

 /*
  *  Copyright (C) 2002-2003 Lars Knoll (knoll@kde.org)
  *  Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  *  Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *  Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  *  Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 59 matching lines @@
     case IDSEL:
     case DIMEN:
     case INVALIDDIMEN:
     case URI:
     case FUNCTION:
     case ANYFUNCTION:
     case NOTFUNCTION:
     case CALCFUNCTION:
     case MINFUNCTION:
     case MAXFUNCTION:
+    case VARFUNCTION:
     case VAR_DEFINITION:
     case UNICODERANGE:
         return true;
     default:
         return false;
     }
 }
 
 inline static CSSParserValue makeOperatorValue(int value)
 {
@@ skipping 35 matching lines @@
 %left '|'
 
 %token IMPORT_SYM
 %token PAGE_SYM
 %token MEDIA_SYM
 %token SUPPORTS_SYM
 %token FONT_FACE_SYM
 %token HOST_SYM
 %token CHARSET_SYM
 %token NAMESPACE_SYM
-%token VARFUNCTION
 %token VIEWPORT_RULE_SYM
 %token INTERNAL_DECLS_SYM
 %token INTERNAL_MEDIALIST_SYM
 %token INTERNAL_RULE_SYM
 %token INTERNAL_SELECTOR_SYM
 %token INTERNAL_VALUE_SYM
 %token INTERNAL_KEYFRAME_RULE_SYM
 %token INTERNAL_SUPPORTS_CONDITION_SYM
 %token WEBKIT_KEYFRAMES_SYM
 %token WEBKIT_REGION_RULE_SYM
@@ skipping 61 matching lines @@
 
 %token <string> URI
 %token <string> FUNCTION
 %token <string> ANYFUNCTION
 %token <string> CUEFUNCTION
 %token <string> NOTFUNCTION
 %token <string> DISTRIBUTEDFUNCTION
 %token <string> CALCFUNCTION
 %token <string> MINFUNCTION
 %token <string> MAXFUNCTION
+%token <string> VARFUNCTION
 %token <string> VAR_DEFINITION
 
 %token <string> UNICODERANGE
 
 %type <relation> combinator
 
 %type <rule> charset
 %type <rule> ruleset
 %type <rule> media
 %type <rule> import
@@ skipping 1406 matching lines @@
   | unary_operator DIMEN maybe_space { $$.id = CSSValueInvalid; $$.string = $2; $$.unit = CSSPrimitiveValue::CSS_DIMENSION; }
   | URI maybe_space { $$.id = CSSValueInvalid; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_URI; }
   | UNICODERANGE maybe_space { $$.id = CSSValueInvalid; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_UNICODE_RANGE; }
   | HEX maybe_space { $$.id = CSSValueInvalid; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_PARSER_HEXCOLOR; }
   | '#' maybe_space { $$.id = CSSValueInvalid; $$.string = CSSParserString(); $$.unit = CSSPrimitiveValue::CSS_PARSER_HEXCOLOR; } /* Handle error case: "color: #;" */
   | VARFUNCTION maybe_space IDENT closing_parenthesis maybe_space {
       $$.id = CSSValueInvalid;
       $$.string = $3;
       $$.unit = CSSPrimitiveValue::CSS_VARIABLE_NAME;
   }
+  | VARFUNCTION maybe_space expr_recovery closing_parenthesis {
+      YYERROR;
+  }
   /* FIXME: according to the specs a function can have a unary_operator in front. I know no case where this makes sense */
   | function maybe_space {
       $$ = $1;
   }
   | calc_function maybe_space {
       $$ = $1;
   }
   | min_or_max_function maybe_space {
       $$ = $1;
   }
@@ skipping 219 matching lines @@
 
 rule_error_recovery:
     /* empty */
   | rule_error_recovery error
   | rule_error_recovery invalid_square_brackets_block
   | rule_error_recovery invalid_parentheses_block
     ;
 
 %%