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/*
* 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.
*
* 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 "JSJavaScriptCallFrame.h"
#if ENABLE(JAVASCRIPT_DEBUGGER)
#include "JavaScriptCallFrame.h"
#include <runtime/ArrayPrototype.h>
#include <runtime/Error.h>
using namespace JSC;
namespace WebCore {
JSValue JSJavaScriptCallFrame::evaluate(ExecState* exec)
{
JSValue exception;
JSValue result = impl()->evaluate(exec->argument(0).toString(exec), exception);
if (exception)
throwError(exec, exception);
return result;
}
JSValue JSJavaScriptCallFrame::thisObject(ExecState*) const
{
return impl()->thisObject() ? impl()->thisObject() : jsNull();
}
JSValue JSJavaScriptCallFrame::type(ExecState* exec) const
{
switch (impl()->type()) {
case DebuggerCallFrame::FunctionType:
return jsString(exec, UString("function"));
case DebuggerCallFrame::ProgramType:
return jsString(exec, UString("program"));
}
ASSERT_NOT_REACHED();
return jsNull();
}
JSValue JSJavaScriptCallFrame::scopeChain(ExecState* exec) const
{
if (!impl()->scopeChain())
return jsNull();
ScopeChainNode* scopeChain = impl()->scopeChain();
ScopeChainIterator iter = scopeChain->begin();
ScopeChainIterator end = scopeChain->end();
// we must always have something in the scope chain
ASSERT(iter != end);
MarkedArgumentBuffer list;
do {
list.append(iter->get());
++iter;
} while (iter != end);
return constructArray(exec, list);
}
JSValue JSJavaScriptCallFrame::scopeType(ExecState* exec)
{
if (!impl()->scopeChain())
return jsUndefined();
if (!exec->argument(0).isInt32())
return jsUndefined();
int index = exec->argument(0).asInt32();
ScopeChainNode* scopeChain = impl()->scopeChain();
ScopeChainIterator end = scopeChain->end();
bool foundLocalScope = false;
for (ScopeChainIterator iter = scopeChain->begin(); iter != end; ++iter) {
JSObject* scope = iter->get();
if (scope->isActivationObject()) {
if (!foundLocalScope) {
// First activation object is local scope, each successive activation object is closure.
if (!index)
return jsJavaScriptCallFrameLOCAL_SCOPE(exec, JSValue(), Identifier());
foundLocalScope = true;
} else if (!index)
return jsJavaScriptCallFrameCLOSURE_SCOPE(exec, JSValue(), Identifier());
}
if (!index) {
// Last in the chain is global scope.
if (++iter == end)
return jsJavaScriptCallFrameGLOBAL_SCOPE(exec, JSValue(), Identifier());
return jsJavaScriptCallFrameWITH_SCOPE(exec, JSValue(), Identifier());
}
--index;
}
return jsUndefined();
}
} // namespace WebCore
#endif // ENABLE(JAVASCRIPT_DEBUGGER)
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