Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 106 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/debugger/DebuggerCallFrame.cpp b/Source/JavaScriptCore/debugger/DebuggerCallFrame.cpp
new file mode 100644
index 0000000..ed673cb
--- /dev/null
+++ b/Source/JavaScriptCore/debugger/DebuggerCallFrame.cpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2008 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.
+ * 3.  Neither the name of Apple Computer, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 "DebuggerCallFrame.h"
+
+#include "JSFunction.h"
+#include "CodeBlock.h"
+#include "Interpreter.h"
+#include "Parser.h"
+
+namespace JSC {
+
+const UString* DebuggerCallFrame::functionName() const
+{
+    if (!m_callFrame->codeBlock())
+        return 0;
+
+    if (!m_callFrame->callee())
+        return 0;
+
+    JSObject* function = m_callFrame->callee();
+    if (!function || !function->inherits(&JSFunction::info))
+        return 0;
+    return &asFunction(function)->name(m_callFrame);
+}
+    
+UString DebuggerCallFrame::calculatedFunctionName() const
+{
+    if (!m_callFrame->codeBlock())
+        return UString();
+
+    JSObject* function = m_callFrame->callee();
+    if (!function || !function->inherits(&JSFunction::info))
+        return UString();
+
+    return asFunction(function)->calculatedDisplayName(m_callFrame);
+}
+
+DebuggerCallFrame::Type DebuggerCallFrame::type() const
+{
+    if (m_callFrame->callee())
+        return FunctionType;
+
+    return ProgramType;
+}
+
+JSObject* DebuggerCallFrame::thisObject() const
+{
+    CodeBlock* codeBlock = m_callFrame->codeBlock();
+    if (!codeBlock)
+        return 0;
+
+    JSValue thisValue = m_callFrame->uncheckedR(codeBlock->thisRegister()).jsValue();
+    if (!thisValue.isObject())
+        return 0;
+
+    return asObject(thisValue);
+}
+
+JSValue DebuggerCallFrame::evaluate(const UString& script, JSValue& exception) const
+{
+    if (!m_callFrame->codeBlock())
+        return JSValue();
+
+    RefPtr<EvalExecutable> eval = EvalExecutable::create(m_callFrame, makeSource(script), m_callFrame->codeBlock()->isStrictMode());
+    JSObject* error = eval->compile(m_callFrame, m_callFrame->scopeChain());
+    if (error)
+        return error;
+
+    JSGlobalData& globalData = m_callFrame->globalData();
+    JSValue result = globalData.interpreter->execute(eval.get(), m_callFrame, thisObject(), m_callFrame->scopeChain());
+    if (globalData.exception) {
+        exception = globalData.exception;
+        globalData.exception = JSValue();
+    }
+    ASSERT(result);
+    return result;
+}
+
+} // namespace JSC