JavaScriptCore-7600.1.4.13.1.tar.gz

[apple/javascriptcore.git] / parser / SourceCode.h

diff --git a/parser/SourceCode.h b/parser/SourceCode.h
index 84360b84c646890d32862e0baa8d615ac4d7a436..73d23db82af25ea46c0f89785ce424bb60eb61a7 100644 (file)
--- a/parser/SourceCode.h
+++ b/parser/SourceCode.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2008, 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -10,7 +10,7 @@
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
  *     its contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission.
  *
@@ -37,53 +37,93 @@ namespace JSC {
     class SourceCode {
     public:
         SourceCode()
-            : m_startChar(0)
+            : m_provider(0)
+            , m_startChar(0)
             , m_endChar(0)
             , m_firstLine(0)
+            , m_startColumn(0)
+        {
+        }
+
+        SourceCode(WTF::HashTableDeletedValueType)
+            : m_provider(WTF::HashTableDeletedValue)
+        {
+        }
+
+        SourceCode(PassRefPtr<SourceProvider> provider)
+            : m_provider(provider)
+            , m_startChar(0)
+            , m_endChar(m_provider->source().length())
+            , m_firstLine(1)
+            , m_startColumn(1)
         {
         }
 
-        SourceCode(PassRefPtr<SourceProvider> provider, int firstLine = 1)
+        SourceCode(PassRefPtr<SourceProvider> provider, int firstLine, int startColumn)
             : m_provider(provider)
             , m_startChar(0)
-            , m_endChar(m_provider->length())
+            , m_endChar(m_provider->source().length())
             , m_firstLine(std::max(firstLine, 1))
+            , m_startColumn(std::max(startColumn, 1))
         {
         }
 
-        SourceCode(PassRefPtr<SourceProvider> provider, int start, int end, int firstLine)
+        SourceCode(PassRefPtr<SourceProvider> provider, int start, int end, int firstLine, int startColumn)
             : m_provider(provider)
             , m_startChar(start)
             , m_endChar(end)
             , m_firstLine(std::max(firstLine, 1))
+            , m_startColumn(std::max(startColumn, 1))
         {
         }
 
-        UString toString() const
+        bool isHashTableDeletedValue() const { return m_provider.isHashTableDeletedValue(); }
+
+        String toString() const
         {
             if (!m_provider)
-                return UString();
+                return String();
             return m_provider->getRange(m_startChar, m_endChar);
         }
         
+        CString toUTF8() const;
+        
+        intptr_t providerID() const
+        {
+            if (!m_provider)
+                return SourceProvider::nullID;
+            return m_provider->asID();
+        }
+        
         bool isNull() const { return !m_provider; }
         SourceProvider* provider() const { return m_provider.get(); }
         int firstLine() const { return m_firstLine; }
+        int startColumn() const { return m_startColumn; }
         int startOffset() const { return m_startChar; }
         int endOffset() const { return m_endChar; }
-        const UChar* data() const { return m_provider->data() + m_startChar; }
         int length() const { return m_endChar - m_startChar; }
+        
+        SourceCode subExpression(unsigned openBrace, unsigned closeBrace, int firstLine, int startColumn);
 
     private:
         RefPtr<SourceProvider> m_provider;
         int m_startChar;
         int m_endChar;
         int m_firstLine;
+        int m_startColumn;
     };
 
-    inline SourceCode makeSource(const UString& source, const UString& url = UString(), int firstLine = 1)
+    inline SourceCode makeSource(const String& source, const String& url = String(), const TextPosition& startPosition = TextPosition::minimumPosition())
+    {
+        return SourceCode(StringSourceProvider::create(source, url, startPosition), startPosition.m_line.oneBasedInt(), startPosition.m_column.oneBasedInt());
+    }
+
+    inline SourceCode SourceCode::subExpression(unsigned openBrace, unsigned closeBrace, int firstLine, int startColumn)
     {
-        return SourceCode(UStringSourceProvider::create(source, url), firstLine);
+        ASSERT(provider()->source()[openBrace] == '{');
+        ASSERT(provider()->source()[closeBrace] == '}');
+        startColumn += 1; // Convert to base 1.
+        return SourceCode(provider(), openBrace, closeBrace + 1, firstLine, startColumn);
     }
 
 } // namespace JSC