2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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27 #include "JSJavaScriptCallFrame.h"
29 #if ENABLE(JAVASCRIPT_DEBUGGER)
31 #include "JavaScriptCallFrame.h"
32 #include <runtime/ArrayPrototype.h>
33 #include <runtime/Error.h>
39 JSValue JSJavaScriptCallFrame::evaluate(ExecState* exec)
42 JSValue result = impl()->evaluate(exec->argument(0).toString(exec), exception);
45 throwError(exec, exception);
50 JSValue JSJavaScriptCallFrame::thisObject(ExecState*) const
52 return impl()->thisObject() ? impl()->thisObject() : jsNull();
55 JSValue JSJavaScriptCallFrame::type(ExecState* exec) const
57 switch (impl()->type()) {
58 case DebuggerCallFrame::FunctionType:
59 return jsString(exec, UString("function"));
60 case DebuggerCallFrame::ProgramType:
61 return jsString(exec, UString("program"));
68 JSValue JSJavaScriptCallFrame::scopeChain(ExecState* exec) const
70 if (!impl()->scopeChain())
73 const ScopeChainNode* scopeChain = impl()->scopeChain();
74 ScopeChainIterator iter = scopeChain->begin();
75 ScopeChainIterator end = scopeChain->end();
77 // we must always have something in the scope chain
80 MarkedArgumentBuffer list;
84 } while (iter != end);
86 return constructArray(exec, list);
89 JSValue JSJavaScriptCallFrame::scopeType(ExecState* exec)
91 if (!impl()->scopeChain())
94 if (!exec->argument(0).isInt32())
96 int index = exec->argument(0).asInt32();
98 const ScopeChainNode* scopeChain = impl()->scopeChain();
99 ScopeChainIterator end = scopeChain->end();
101 bool foundLocalScope = false;
102 for (ScopeChainIterator iter = scopeChain->begin(); iter != end; ++iter) {
103 JSObject* scope = *iter;
104 if (scope->isActivationObject()) {
105 if (!foundLocalScope) {
106 // First activation object is local scope, each successive activation object is closure.
108 return jsJavaScriptCallFrameLOCAL_SCOPE(exec, JSValue(), Identifier());
109 foundLocalScope = true;
111 return jsJavaScriptCallFrameCLOSURE_SCOPE(exec, JSValue(), Identifier());
115 // Last in the chain is global scope.
117 return jsJavaScriptCallFrameGLOBAL_SCOPE(exec, JSValue(), Identifier());
118 return jsJavaScriptCallFrameWITH_SCOPE(exec, JSValue(), Identifier());
123 return jsUndefined();
126 } // namespace WebCore
128 #endif // ENABLE(JAVASCRIPT_DEBUGGER)