CSS Custom Properties (Variables)

Source/core/css/parser/CSSParserTokenRange.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CSSParserTokenRange_h
 #define CSSParserTokenRange_h
 
 #include "core/CoreExport.h"
 #include "core/css/parser/CSSParserToken.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 CORE_EXPORT extern const CSSParserToken& staticEOFToken;
 
+class CSSTokenizer;
+class CSSTokenizerScope;
+
 // A CSSParserTokenRange is an iterator over a subrange of a vector of CSSParserTokens.
 // Accessing outside of the range will return an endless stream of EOF tokens.
 // This class refers to half-open intervals [first, last).
 class CORE_EXPORT CSSParserTokenRange {
 public:
-    CSSParserTokenRange(const Vector<CSSParserToken>& vector)
+    CSSParserTokenRange(const Vector<CSSParserToken>& vector, const CSSTokenizerScope* scope)
     : m_first(vector.begin())
     , m_last(vector.end())
+    , m_scope(scope)
     {
     }
 
     // This should be called on a range with tokens returned by that range.
     CSSParserTokenRange makeSubRange(const CSSParserToken* first, const CSSParserToken* last) const;
 
     bool atEnd() const { return m_first == m_last; }
     const CSSParserToken* end() const { return m_last; }
 
     const CSSParserToken& peek(unsigned offset = 0) const
@@ skipping 23 matching lines @@
     void consumeComponentValue();
 
     void consumeWhitespace()
     {
         while (peek().type() == WhitespaceToken)
             ++m_first;
     }
 
     String serialize() const;
 
+    const CSSTokenizerScope* scope() const { return m_scope; }
+
     // This is only for the inspector integration
     const CSSParserToken* begin() const { return m_first; }
 
     static void initStaticEOFToken();
 
 private:
-    CSSParserTokenRange(const CSSParserToken* first, const CSSParserToken* last)
+    CSSParserTokenRange(const CSSParserToken* first, const CSSParserToken* last, const CSSTokenizerScope* scope)
     : m_first(first)
     , m_last(last)
+    , m_scope(scope)
     { }
 
     const CSSParserToken* m_first;
     const CSSParserToken* m_last;
+    const CSSTokenizerScope* m_scope;
 };
 
 } // namespace
 
 #endif // CSSParserTokenRange_h