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 #include "JSDOMBinding.h" 29 30 #if ENABLE(JAVASCRIPT_DEBUGGER) && USE(JSC) 31 32 #include "PlatformString.h" 33 #include <debugger/DebuggerCallFrame.h> 34 #include <runtime/JSGlobalObject.h> 35 #include <runtime/Completion.h> 36 #include <runtime/JSLock.h> 37 #include <runtime/JSObject.h> 38 #include <runtime/JSValue.h> 39 40 using namespace JSC; 41 42 namespace WebCore { 43 44 JavaScriptCallFrame::JavaScriptCallFrame(const DebuggerCallFrame& debuggerCallFrame, PassRefPtr<JavaScriptCallFrame> caller, intptr_t sourceID, int line) 45 : m_debuggerCallFrame(debuggerCallFrame) 46 , m_caller(caller) 47 , m_sourceID(sourceID) 48 , m_line(line) 49 , m_isValid(true) 50 { 51 } 52 53 JavaScriptCallFrame* JavaScriptCallFrame::caller() 54 { 55 return m_caller.get(); 56 } 57 58 const JSC::ScopeChainNode* JavaScriptCallFrame::scopeChain() const 59 { 60 ASSERT(m_isValid); 61 if (!m_isValid) 62 return 0; 63 return m_debuggerCallFrame.scopeChain(); 64 } 65 66 JSC::JSGlobalObject* JavaScriptCallFrame::dynamicGlobalObject() const 67 { 68 ASSERT(m_isValid); 69 if (!m_isValid) 70 return 0; 71 return m_debuggerCallFrame.dynamicGlobalObject(); 72 } 73 74 String JavaScriptCallFrame::functionName() const 75 { 76 ASSERT(m_isValid); 77 if (!m_isValid) 78 return String(); 79 UString functionName = m_debuggerCallFrame.calculatedFunctionName(); 80 if (functionName.isEmpty()) 81 return String(); 82 return functionName; 83 } 84 85 DebuggerCallFrame::Type JavaScriptCallFrame::type() const 86 { 87 ASSERT(m_isValid); 88 if (!m_isValid) 89 return DebuggerCallFrame::ProgramType; 90 return m_debuggerCallFrame.type(); 91 } 92 93 JSObject* JavaScriptCallFrame::thisObject() const 94 { 95 ASSERT(m_isValid); 96 if (!m_isValid) 97 return 0; 98 return m_debuggerCallFrame.thisObject(); 99 } 100 101 // Evaluate some JavaScript code in the scope of this frame. 102 JSValue JavaScriptCallFrame::evaluate(const UString& script, JSValue& exception) const 103 { 104 ASSERT(m_isValid); 105 if (!m_isValid) 106 return jsNull(); 107 108 JSLock lock(SilenceAssertionsOnly); 109 return m_debuggerCallFrame.evaluate(script, exception); 110 } 111 112 } // namespace WebCore 113 114 #endif // ENABLE(JAVASCRIPT_DEBUGGER) 115
