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 * 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.
12 *
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
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "JavaScriptCallFrame.h"
28
29 #include "JSDOMBinding.h"
30
31 #if ENABLE(JAVASCRIPT_DEBUGGER) && USE(JSC)
32
33 #include "PlatformString.h"
34 #include <debugger/DebuggerCallFrame.h>
35 #include <runtime/Completion.h>
36 #include <runtime/JSGlobalObject.h>
37 #include <runtime/JSLock.h>
38 #include <runtime/JSObject.h>
39 #include <runtime/JSValue.h>
40
41 using namespace JSC;
42
43 namespace WebCore {
44
JavaScriptCallFrame(const DebuggerCallFrame & debuggerCallFrame,PassRefPtr<JavaScriptCallFrame> caller,intptr_t sourceID,const TextPosition0 & textPosition)45 JavaScriptCallFrame::JavaScriptCallFrame(const DebuggerCallFrame& debuggerCallFrame, PassRefPtr<JavaScriptCallFrame> caller, intptr_t sourceID, const TextPosition0& textPosition)
46 : m_debuggerCallFrame(debuggerCallFrame)
47 , m_caller(caller)
48 , m_sourceID(sourceID)
49 , m_textPosition(textPosition)
50 , m_isValid(true)
51 {
52 }
53
caller()54 JavaScriptCallFrame* JavaScriptCallFrame::caller()
55 {
56 return m_caller.get();
57 }
58
scopeChain() const59 JSC::ScopeChainNode* JavaScriptCallFrame::scopeChain() const
60 {
61 ASSERT(m_isValid);
62 if (!m_isValid)
63 return 0;
64 return m_debuggerCallFrame.scopeChain();
65 }
66
dynamicGlobalObject() const67 JSC::JSGlobalObject* JavaScriptCallFrame::dynamicGlobalObject() const
68 {
69 ASSERT(m_isValid);
70 if (!m_isValid)
71 return 0;
72 return m_debuggerCallFrame.dynamicGlobalObject();
73 }
74
functionName() const75 String JavaScriptCallFrame::functionName() const
76 {
77 ASSERT(m_isValid);
78 if (!m_isValid)
79 return String();
80 UString functionName = m_debuggerCallFrame.calculatedFunctionName();
81 if (functionName.isEmpty())
82 return String();
83 return ustringToString(functionName);
84 }
85
type() const86 DebuggerCallFrame::Type JavaScriptCallFrame::type() const
87 {
88 ASSERT(m_isValid);
89 if (!m_isValid)
90 return DebuggerCallFrame::ProgramType;
91 return m_debuggerCallFrame.type();
92 }
93
thisObject() const94 JSObject* JavaScriptCallFrame::thisObject() const
95 {
96 ASSERT(m_isValid);
97 if (!m_isValid)
98 return 0;
99 return m_debuggerCallFrame.thisObject();
100 }
101
102 // Evaluate some JavaScript code in the scope of this frame.
evaluate(const UString & script,JSValue & exception) const103 JSValue JavaScriptCallFrame::evaluate(const UString& script, JSValue& exception) const
104 {
105 ASSERT(m_isValid);
106 if (!m_isValid)
107 return jsNull();
108
109 JSLock lock(SilenceAssertionsOnly);
110 return m_debuggerCallFrame.evaluate(script, exception);
111 }
112
113 } // namespace WebCore
114
115 #endif // ENABLE(JAVASCRIPT_DEBUGGER)
116