debugger/DebuggerCallFrame.cpp

   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     JSFunction* function = static_cast<JSFunction*>(m_callFrame->callee());
  45     if (!function)
  46         return 0;
  47     return &function->name(&m_callFrame->globalData());
  48 }
  49
  50 UString DebuggerCallFrame::calculatedFunctionName() const
  51 {
  52     if (!m_callFrame->codeBlock())
  53         return 0;
  54
  55     JSFunction* function = static_cast<JSFunction*>(m_callFrame->callee());
  56     if (!function)
  57         return 0;
  58     return function->calculatedDisplayName(&m_callFrame->globalData());
  59 }
  60
  61 DebuggerCallFrame::Type DebuggerCallFrame::type() const
  62 {
  63     if (m_callFrame->callee())
  64         return FunctionType;
  65
  66     return ProgramType;
  67 }
  68
  69 JSObject* DebuggerCallFrame::thisObject() const
  70 {
  71     if (!m_callFrame->codeBlock())
  72         return 0;
  73
  74     return asObject(m_callFrame->thisValue());
  75 }
  76
  77 JSValue DebuggerCallFrame::evaluate(const UString& script, JSValue& exception) const
  78 {
  79     if (!m_callFrame->codeBlock())
  80         return JSValue();
  81
  82     int errLine;
  83     UString errMsg;
  84     SourceCode source = makeSource(script);
  85     RefPtr<EvalNode> evalNode = m_callFrame->scopeChain()->globalData->parser->parse<EvalNode>(m_callFrame, m_callFrame->dynamicGlobalObject()->debugger(), source, &errLine, &errMsg);
  86     if (!evalNode)
  87         return Error::create(m_callFrame, SyntaxError, errMsg, errLine, source.provider()->asID(), source.provider()->url());
  88
  89     return m_callFrame->scopeChain()->globalData->interpreter->execute(evalNode.get(), m_callFrame, thisObject(), m_callFrame->scopeChain(), &exception);
  90 }
  91
  92 } // namespace JSC