1/* 2 * Copyright (C) 2008, 2013, 2014 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 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#ifndef DebuggerCallFrame_h 30#define DebuggerCallFrame_h 31 32#include "CallFrame.h" 33#include "DebuggerPrimitives.h" 34#include <wtf/PassRefPtr.h> 35#include <wtf/RefCounted.h> 36#include <wtf/text/TextPosition.h> 37 38namespace JSC { 39 40class DebuggerCallFrame : public RefCounted<DebuggerCallFrame> { 41public: 42 enum Type { ProgramType, FunctionType }; 43 44 static PassRefPtr<DebuggerCallFrame> create(CallFrame* callFrame) 45 { 46 return adoptRef(new DebuggerCallFrame(callFrame)); 47 } 48 49 JS_EXPORT_PRIVATE explicit DebuggerCallFrame(CallFrame*); 50 51 JS_EXPORT_PRIVATE PassRefPtr<DebuggerCallFrame> callerFrame(); 52 ExecState* exec() const { return m_callFrame; } 53 JS_EXPORT_PRIVATE SourceID sourceID() const; 54 55 // line and column are in base 0 e.g. the first line is line 0. 56 int line() const { return m_position.m_line.zeroBasedInt(); } 57 int column() const { return m_position.m_column.zeroBasedInt(); } 58 JS_EXPORT_PRIVATE const TextPosition& position() const { return m_position; } 59 60 JS_EXPORT_PRIVATE JSGlobalObject* vmEntryGlobalObject() const; 61 JS_EXPORT_PRIVATE JSScope* scope() const; 62 JS_EXPORT_PRIVATE String functionName() const; 63 JS_EXPORT_PRIVATE Type type() const; 64 JS_EXPORT_PRIVATE JSValue thisValue() const; 65 JSValue evaluate(const String&, JSValue& exception); 66 67 bool isValid() const { return !!m_callFrame; } 68 JS_EXPORT_PRIVATE void invalidate(); 69 70 // The following are only public for the Debugger's use only. They will be 71 // made private soon. Other clients should not use these. 72 73 JS_EXPORT_PRIVATE static TextPosition positionForCallFrame(CallFrame*); 74 JS_EXPORT_PRIVATE static SourceID sourceIDForCallFrame(CallFrame*); 75 static JSValue thisValueForCallFrame(CallFrame*); 76 77private: 78 CallFrame* m_callFrame; 79 RefPtr<DebuggerCallFrame> m_caller; 80 TextPosition m_position; 81}; 82 83} // namespace JSC 84 85#endif // DebuggerCallFrame_h 86