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     if (!m_callFrame->callee())
  45         return 0;
  46
  47     JSFunction* function = asFunction(m_callFrame->callee());
  48     if (!function)
  49         return 0;
  50     return &function->name(m_callFrame);
  51 }
  52
  53 UString DebuggerCallFrame::calculatedFunctionName() const
  54 {
  55     if (!m_callFrame->codeBlock())
  56         return 0;
  57
  58     if (!m_callFrame->callee())
  59         return UString();
  60
  61     JSFunction* function = asFunction(m_callFrame->callee());
  62     if (!function)
  63         return 0;
  64     return function->calculatedDisplayName(m_callFrame);
  65 }
  66
  67 DebuggerCallFrame::Type DebuggerCallFrame::type() const
  68 {
  69     if (m_callFrame->callee())
  70         return FunctionType;
  71
  72     return ProgramType;
  73 }
  74
  75 JSObject* DebuggerCallFrame::thisObject() const
  76 {
  77     if (!m_callFrame->codeBlock())
  78         return 0;
  79
  80     return asObject(m_callFrame->thisValue());
  81 }
  82
  83 JSValue DebuggerCallFrame::evaluate(const UString& script, JSValue& exception) const
  84 {
  85     if (!m_callFrame->codeBlock())
  86         return JSValue();
  87
  88     RefPtr<EvalExecutable> eval = EvalExecutable::create(m_callFrame, makeSource(script));
  89     JSObject* error = eval->compile(m_callFrame, m_callFrame->scopeChain());
  90     if (error)
  91         return error;
  92
  93     return m_callFrame->scopeChain()->globalData->interpreter->execute(eval.get(), m_callFrame, thisObject(), m_callFrame->scopeChain(), &exception);
  94 }
  95
  96 } // namespace JSC