JavaScriptCore-1097.3.tar.gz

[apple/javascriptcore.git] / runtime / RegExpCachedResult.cpp

diff --git a/runtime/RegExpCachedResult.cpp b/runtime/RegExpCachedResult.cpp
new file mode 100644 (file)
index 0000000..0788145
--- /dev/null
+++ b/runtime/RegExpCachedResult.cpp
@@ -0,0 +1,62 @@
+/*
+ * 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 "RegExpCachedResult.h"
+
+#include "RegExpMatchesArray.h"
+
+namespace JSC {
+
+void RegExpCachedResult::visitChildren(SlotVisitor& visitor)
+{
+    if (m_result) {
+        visitor.append(&m_lastInput);
+        visitor.append(&m_lastRegExp);
+    } else {
+        visitor.append(&m_reifiedInput);
+        visitor.append(&m_reifiedResult);
+    }
+}
+
+RegExpMatchesArray* RegExpCachedResult::lastResult(ExecState* exec, JSObject* owner)
+{
+    if (m_result) {
+        m_reifiedInput.set(exec->globalData(), owner, m_lastInput.get());
+        m_reifiedResult.set(exec->globalData(), owner, RegExpMatchesArray::create(exec, m_lastInput.get(), m_lastRegExp.get(), m_result));
+        m_result = MatchResult::failed();
+    }
+    return m_reifiedResult.get();
+}
+
+void RegExpCachedResult::setInput(ExecState* exec, JSObject* owner, JSString* input)
+{
+    // Make sure we're reified, otherwise m_reifiedInput will be ignored.
+    lastResult(exec, owner);
+    ASSERT(!m_result);
+    m_reifiedInput.set(exec->globalData(), owner, input);
+}
+
+} // namespace JSC