1/*
2 * Copyright (c) 2010, Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef JavaScriptCallFrame_h
32#define JavaScriptCallFrame_h
33
34
35#include "bindings/core/v8/ScopedPersistent.h"
36#include "bindings/core/v8/ScriptState.h"
37#include "bindings/core/v8/ScriptWrappable.h"
38#include "wtf/RefCounted.h"
39#include "wtf/text/WTFString.h"
40#include <v8.h>
41
42namespace blink {
43
44class ScriptValue;
45
46class JavaScriptCallFrame : public RefCountedWillBeGarbageCollectedFinalized<JavaScriptCallFrame>, public ScriptWrappable {
47    DEFINE_WRAPPERTYPEINFO();
48public:
49    static PassRefPtrWillBeRawPtr<JavaScriptCallFrame> create(v8::Handle<v8::Context> debuggerContext, v8::Handle<v8::Object> callFrame)
50    {
51        return adoptRefWillBeNoop(new JavaScriptCallFrame(debuggerContext, callFrame));
52    }
53    ~JavaScriptCallFrame();
54    void trace(Visitor*);
55
56    JavaScriptCallFrame* caller();
57
58    int sourceID() const;
59    int line() const;
60    int column() const;
61    String scriptName() const;
62    String functionName() const;
63
64    v8::Handle<v8::Value> scopeChain() const;
65    int scopeType(int scopeIndex) const;
66    v8::Handle<v8::Value> thisObject() const;
67    String stepInPositions() const;
68    bool isAtReturn() const;
69    v8::Handle<v8::Value> returnValue() const;
70
71    v8::Handle<v8::Value> evaluateWithExceptionDetails(const String& expression);
72    v8::Handle<v8::Value> restart();
73    ScriptValue setVariableValue(ScriptState*, int scopeNumber, const String& variableName, const ScriptValue& newValue);
74
75    static v8::Handle<v8::Object> createExceptionDetails(v8::Handle<v8::Message>, v8::Isolate*);
76
77private:
78    JavaScriptCallFrame(v8::Handle<v8::Context> debuggerContext, v8::Handle<v8::Object> callFrame);
79
80    int callV8FunctionReturnInt(const char* name) const;
81    String callV8FunctionReturnString(const char* name) const;
82
83    v8::Isolate* m_isolate;
84    RefPtrWillBeMember<JavaScriptCallFrame> m_caller;
85    ScopedPersistent<v8::Context> m_debuggerContext;
86    ScopedPersistent<v8::Object> m_callFrame;
87};
88
89} // namespace blink
90
91#endif // JavaScriptCallFrame_h
92