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
37 namespace JSC {
38
functionName() const39 const 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
calculatedFunctionName() const53 UString 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
type() const65 DebuggerCallFrame::Type DebuggerCallFrame::type() const
66 {
67 if (m_callFrame->callee())
68 return FunctionType;
69
70 return ProgramType;
71 }
72
thisObject() const73 JSObject* 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
evaluate(const UString & script,JSValue & exception) const86 JSValue 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