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 39 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 53 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 65 DebuggerCallFrame::Type DebuggerCallFrame::type() const 66 { 67 if (m_callFrame->callee()) 68 return FunctionType; 69 70 return ProgramType; 71 } 72 73 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 86 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
