1 files changed, 105 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/RegExpMatchesArray.cpp b/Source/JavaScriptCore/runtime/RegExpMatchesArray.cpp
new file mode 100644
index 000000000..80f1068f2
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/RegExpMatchesArray.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2012 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "RegExpMatchesArray.h"
+
+namespace JSC {
+
+ASSERT_CLASS_FITS_IN_CELL(RegExpMatchesArray);
+
+const ClassInfo RegExpMatchesArray::s_info = {"Array", &JSArray::s_info, 0, 0, CREATE_METHOD_TABLE(RegExpMatchesArray)};
+
+void RegExpMatchesArray::finishCreation(JSGlobalData& globalData)
+{
+    Base::finishCreation(globalData, m_regExp->numSubpatterns() + 1);
+}
+
+void RegExpMatchesArray::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    RegExpMatchesArray* thisObject = jsCast<RegExpMatchesArray*>(cell);
+    ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
+    COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
+    ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
+
+    Base::visitChildren(thisObject, visitor);
+    visitor.append(&thisObject->m_input);
+    visitor.append(&thisObject->m_regExp);
+}
+
+void RegExpMatchesArray::reifyAllProperties(ExecState* exec)
+{
+    ASSERT(m_state != ReifiedAll);
+    ASSERT(m_result);
+ 
+    reifyMatchPropertyIfNecessary(exec);
+
+    if (unsigned numSubpatterns = m_regExp->numSubpatterns()) {
+        Vector<int, 32> subpatternResults;
+        int position = m_regExp->match(exec->globalData(), m_input->value(exec), m_result.start, subpatternResults);
+        ASSERT_UNUSED(position, position >= 0 && static_cast<size_t>(position) == m_result.start);
+        ASSERT(m_result.start == static_cast<size_t>(subpatternResults[0]));
+        ASSERT(m_result.end == static_cast<size_t>(subpatternResults[1]));
+
+        for (unsigned i = 1; i <= numSubpatterns; ++i) {
+            int start = subpatternResults[2 * i];
+            if (start >= 0)
+                putDirectIndex(exec, i, jsSubstring(exec, m_input.get(), start, subpatternResults[2 * i + 1] - start), false);
+            else
+                putDirectIndex(exec, i, jsUndefined(), false);
+        }
+    }
+
+    PutPropertySlot slot;
+    JSArray::put(this, exec, exec->propertyNames().index, jsNumber(m_result.start), slot);
+    JSArray::put(this, exec, exec->propertyNames().input, m_input.get(), slot);
+
+    m_state = ReifiedAll;
+}
+
+void RegExpMatchesArray::reifyMatchProperty(ExecState* exec)
+{
+    ASSERT(m_state == ReifiedNone);
+    ASSERT(m_result);
+    putDirectIndex(exec, 0, jsSubstring(exec, m_input.get(), m_result.start, m_result.end - m_result.start), false);
+    m_state = ReifiedMatch;
+}
+
+JSString* RegExpMatchesArray::leftContext(ExecState* exec)
+{
+    if (!m_result.start)
+        return jsEmptyString(exec);
+    return jsSubstring(exec, m_input.get(), 0, m_result.start);
+}
+
+JSString* RegExpMatchesArray::rightContext(ExecState* exec)
+{
+    unsigned length = m_input->length();
+    if (m_result.end == length)
+        return jsEmptyString(exec);
+    return jsSubstring(exec, m_input.get(), m_result.end, length - m_result.end);
+}
+
+} // namespace JSC