1/*
2 * Copyright (C) 2008 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "DebuggerCallFrame.h"
31
32#include "JSFunction.h"
33#include "CodeBlock.h"
34#include "Interpreter.h"
35#include "Operations.h"
36#include "Parser.h"
37
38namespace JSC {
39
40String DebuggerCallFrame::functionName() const
41{
42    if (!m_callFrame->codeBlock())
43        return String();
44
45    if (!m_callFrame->callee())
46        return String();
47
48    JSObject* function = m_callFrame->callee();
49    if (!function || !function->inherits(&JSFunction::s_info))
50        return String();
51    return jsCast<JSFunction*>(function)->name(m_callFrame);
52}
53
54String DebuggerCallFrame::calculatedFunctionName() const
55{
56    if (!m_callFrame->codeBlock())
57        return String();
58
59    JSObject* function = m_callFrame->callee();
60
61    if (!function)
62        return String();
63
64    return getCalculatedDisplayName(m_callFrame, function);
65}
66
67DebuggerCallFrame::Type DebuggerCallFrame::type() const
68{
69    if (m_callFrame->callee())
70        return FunctionType;
71
72    return ProgramType;
73}
74
75JSObject* DebuggerCallFrame::thisObject() const
76{
77    CodeBlock* codeBlock = m_callFrame->codeBlock();
78    if (!codeBlock)
79        return 0;
80
81    JSValue thisValue = m_callFrame->uncheckedR(codeBlock->thisRegister()).jsValue();
82    if (!thisValue.isObject())
83        return 0;
84
85    return asObject(thisValue);
86}
87
88JSValue DebuggerCallFrame::evaluate(const String& script, JSValue& exception) const
89{
90    if (!m_callFrame->codeBlock())
91        return JSValue();
92
93    VM& vm = m_callFrame->vm();
94    EvalExecutable* eval = EvalExecutable::create(m_callFrame, m_callFrame->codeBlock()->unlinkedCodeBlock()->codeCacheForEval(), makeSource(script), m_callFrame->codeBlock()->isStrictMode());
95    if (vm.exception) {
96        exception = vm.exception;
97        vm.exception = JSValue();
98    }
99
100    JSValue result = vm.interpreter->execute(eval, m_callFrame, thisObject(), m_callFrame->scope());
101    if (vm.exception) {
102        exception = vm.exception;
103        vm.exception = JSValue();
104    }
105    ASSERT(result);
106    return result;
107}
108
109} // namespace JSC
110