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 "Parser.h"
36
37namespace JSC {
38
39const UString* DebuggerCallFrame::functionName() const
40{
41    if (!m_callFrame->codeBlock())
42        return 0;
43
44    if (!m_callFrame->callee())
45        return 0;
46
47    JSObject* function = m_callFrame->callee();
48    if (!function || !function->inherits(&JSFunction::s_info))
49        return 0;
50    return &asFunction(function)->name(m_callFrame);
51}
52
53UString DebuggerCallFrame::calculatedFunctionName() const
54{
55    if (!m_callFrame->codeBlock())
56        return UString();
57
58    JSObject* function = m_callFrame->callee();
59    if (!function || !function->inherits(&JSFunction::s_info))
60        return UString();
61
62    return asFunction(function)->calculatedDisplayName(m_callFrame);
63}
64
65DebuggerCallFrame::Type DebuggerCallFrame::type() const
66{
67    if (m_callFrame->callee())
68        return FunctionType;
69
70    return ProgramType;
71}
72
73JSObject* DebuggerCallFrame::thisObject() const
74{
75    CodeBlock* codeBlock = m_callFrame->codeBlock();
76    if (!codeBlock)
77        return 0;
78
79    JSValue thisValue = m_callFrame->uncheckedR(codeBlock->thisRegister()).jsValue();
80    if (!thisValue.isObject())
81        return 0;
82
83    return asObject(thisValue);
84}
85
86JSValue DebuggerCallFrame::evaluate(const UString& script, JSValue& exception) const
87{
88    if (!m_callFrame->codeBlock())
89        return JSValue();
90
91    JSGlobalData& globalData = m_callFrame->globalData();
92    EvalExecutable* eval = EvalExecutable::create(m_callFrame, makeSource(script), m_callFrame->codeBlock()->isStrictMode());
93    if (globalData.exception) {
94        exception = globalData.exception;
95        globalData.exception = JSValue();
96    }
97
98    JSValue result = globalData.interpreter->execute(eval, m_callFrame, thisObject(), m_callFrame->scopeChain());
99    if (globalData.exception) {
100        exception = globalData.exception;
101        globalData.exception = JSValue();
102    }
103    ASSERT(result);
104    return result;
105}
106
107} // namespace JSC
108