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<h1 class="title">scriptdebugger.cpp Example File</h1>
<span class="small-subtitle">script/qsdbg/scriptdebugger.cpp</span>
<!-- $$$script/qsdbg/scriptdebugger.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** &quot;Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.&quot;
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include &quot;scriptdebugger.h&quot;</span>
<span class="preprocessor">#include &quot;scriptbreakpointmanager.h&quot;</span>
<span class="preprocessor">#include &lt;QtScript/QScriptEngine&gt;</span>
<span class="preprocessor">#include &lt;QtScript/QScriptEngineAgent&gt;</span>
<span class="preprocessor">#include &lt;QtScript/QScriptContextInfo&gt;</span>
<span class="preprocessor">#include &lt;QtScript/QScriptValueIterator&gt;</span>
<span class="preprocessor">#include &lt;QtCore/QTextStream&gt;</span>
<span class="preprocessor">#include &lt;QtCore/QStack&gt;</span>
<span class="keyword">static</span> <span class="type"><a href="qstring.html">QString</a></span> safeValueToString(<span class="keyword">const</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> <span class="operator">&amp;</span>value)
{
<span class="keyword">if</span> (value<span class="operator">.</span>isObject())
<span class="keyword">return</span> QLatin1String(<span class="string">&quot;[object Object]&quot;</span>);
<span class="keyword">else</span>
<span class="keyword">return</span> value<span class="operator">.</span>toString();
}
<span class="keyword">class</span> ScriptInfo;
<span class="keyword">class</span> ScriptBreakpointManager;
<span class="keyword">class</span> ScriptDebuggerPrivate
: <span class="keyword">public</span> <span class="type"><a href="qscriptengineagent.html">QScriptEngineAgent</a></span>
{
Q_DECLARE_PUBLIC(ScriptDebugger)
<span class="keyword">public</span>:
<span class="keyword">enum</span> Mode {
Run<span class="operator">,</span>
StepInto<span class="operator">,</span>
StepOver
};
ScriptDebuggerPrivate(<span class="type"><a href="qscriptengine.html">QScriptEngine</a></span> <span class="operator">*</span>engine);
<span class="operator">~</span>ScriptDebuggerPrivate();
<span class="comment">// QScriptEngineAgent interface</span>
<span class="type">void</span> scriptLoad(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> id<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>program<span class="operator">,</span>
<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>fileName<span class="operator">,</span> <span class="type">int</span> lineNumber);
<span class="type">void</span> scriptUnload(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> id);
<span class="type">void</span> positionChange(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> scriptId<span class="operator">,</span>
<span class="type">int</span> lineNumber<span class="operator">,</span> <span class="type">int</span> columnNumber);
<span class="type">void</span> functionEntry(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> scriptId);
<span class="type">void</span> functionExit(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> scriptId<span class="operator">,</span>
<span class="keyword">const</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> <span class="operator">&amp;</span>returnValue);
<span class="type">void</span> exceptionThrow(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> scriptId<span class="operator">,</span>
<span class="keyword">const</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> <span class="operator">&amp;</span>exception<span class="operator">,</span> <span class="type">bool</span> hasHandler);
<span class="type">void</span> interactive();
<span class="type">bool</span> executeCommand(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>command<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstringlist.html">QStringList</a></span> <span class="operator">&amp;</span>args);
<span class="type">void</span> setMode(Mode mode);
Mode mode() <span class="keyword">const</span>;
<span class="type">int</span> frameCount() <span class="keyword">const</span>;
<span class="type">void</span> setCurrentFrameIndex(<span class="type">int</span> index);
<span class="type">int</span> currentFrameIndex() <span class="keyword">const</span>;
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>frameContext(<span class="type">int</span> index) <span class="keyword">const</span>;
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>currentFrameContext() <span class="keyword">const</span>;
ScriptInfo <span class="operator">*</span>scriptInfo(<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>context) <span class="keyword">const</span>;
<span class="type">int</span> listLineNumber() <span class="keyword">const</span>;
<span class="type">void</span> setListLineNumber(<span class="type">int</span> lineNumber);
<span class="type"><a href="qstring.html">QString</a></span> readLine();
<span class="type">void</span> output(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>text);
<span class="type">void</span> message(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>text);
<span class="type">void</span> errorMessage(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>text);
<span class="comment">// attributes</span>
<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>m_defaultInputStream;
<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>m_defaultOutputStream;
<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>m_defaultErrorStream;
<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>m_inputStream;
<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>m_outputStream;
<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>m_errorStream;
ScriptBreakpointManager <span class="operator">*</span>m_bpManager;
Mode m_mode;
<span class="type"><a href="qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span><span class="operator">,</span> ScriptInfo<span class="operator">*</span><span class="operator">&gt;</span> m_scripts;
<span class="type"><a href="qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type"><a href="qscriptcontext.html">QScriptContext</a></span><span class="operator">*</span><span class="operator">,</span> <span class="type"><a href="qstack.html">QStack</a></span><span class="operator">&lt;</span><span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span><span class="operator">&gt;</span> <span class="operator">&gt;</span> m_contextProgramIds;
<span class="type"><a href="qstring.html">QString</a></span> m_lastInteractiveCommand;
<span class="type"><a href="qstring.html">QString</a></span> m_commandPrefix;
<span class="type">int</span> m_stepDepth;
<span class="type">int</span> m_currentFrameIndex;
<span class="type">int</span> m_listLineNumber;
ScriptDebugger <span class="operator">*</span>q_ptr;
};
<span class="keyword">class</span> ScriptInfo
{
<span class="keyword">public</span>:
ScriptInfo(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>code<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>fileName<span class="operator">,</span> <span class="type">int</span> lineNumber)
: m_code(code)<span class="operator">,</span> m_fileName(fileName)<span class="operator">,</span> m_lineNumber(lineNumber)
{ }
<span class="keyword">inline</span> <span class="type"><a href="qstring.html">QString</a></span> code() <span class="keyword">const</span>
{ <span class="keyword">return</span> m_code; }
<span class="keyword">inline</span> <span class="type"><a href="qstring.html">QString</a></span> fileName() <span class="keyword">const</span>
{ <span class="keyword">return</span> m_fileName; }
<span class="keyword">inline</span> <span class="type">int</span> lineNumber() <span class="keyword">const</span>
{ <span class="keyword">return</span> m_lineNumber; }
<span class="type"><a href="qstring.html">QString</a></span> lineText(<span class="type">int</span> lineNumber);
<span class="type"><a href="qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type">int</span><span class="operator">,</span> <span class="type">int</span><span class="operator">&gt;</span> m_lineOffsets;
<span class="keyword">private</span>:
<span class="type">int</span> lineOffset(<span class="type">int</span> lineNumber);
<span class="type"><a href="qstring.html">QString</a></span> m_code;
<span class="type"><a href="qstring.html">QString</a></span> m_fileName;
<span class="type">int</span> m_lineNumber;
};
<span class="type">int</span> ScriptInfo<span class="operator">::</span>lineOffset(<span class="type">int</span> lineNumber)
{
<span class="type"><a href="qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type">int</span><span class="operator">,</span> <span class="type">int</span><span class="operator">&gt;</span><span class="operator">::</span>const_iterator it <span class="operator">=</span> m_lineOffsets<span class="operator">.</span>constFind(lineNumber);
<span class="keyword">if</span> (it <span class="operator">!</span><span class="operator">=</span> m_lineOffsets<span class="operator">.</span>constEnd())
<span class="keyword">return</span> it<span class="operator">.</span>value();
<span class="type">int</span> offset;
it <span class="operator">=</span> m_lineOffsets<span class="operator">.</span>constFind(lineNumber <span class="operator">-</span> <span class="number">1</span>);
<span class="keyword">if</span> (it <span class="operator">!</span><span class="operator">=</span> m_lineOffsets<span class="operator">.</span>constEnd()) {
offset <span class="operator">=</span> it<span class="operator">.</span>value();
offset <span class="operator">=</span> m_code<span class="operator">.</span>indexOf(QLatin1Char(<span class="char">'\n'</span>)<span class="operator">,</span> offset);
<span class="keyword">if</span> (offset <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>)
<span class="operator">+</span><span class="operator">+</span>offset;
m_lineOffsets<span class="operator">.</span>insert(lineNumber<span class="operator">,</span> offset);
} <span class="keyword">else</span> {
<span class="type">int</span> index;
it <span class="operator">=</span> m_lineOffsets<span class="operator">.</span>lowerBound(lineNumber);
<span class="operator">-</span><span class="operator">-</span>it;
<span class="keyword">if</span> (it <span class="operator">!</span><span class="operator">=</span> m_lineOffsets<span class="operator">.</span>constBegin()) {
index <span class="operator">=</span> it<span class="operator">.</span>key();
offset <span class="operator">=</span> it<span class="operator">.</span>value();
} <span class="keyword">else</span> {
index <span class="operator">=</span> m_lineNumber;
offset <span class="operator">=</span> <span class="number">0</span>;
}
<span class="type">int</span> j <span class="operator">=</span> index;
<span class="keyword">for</span> ( ; j <span class="operator">&lt;</span> lineNumber; <span class="operator">+</span><span class="operator">+</span>j) {
m_lineOffsets<span class="operator">.</span>insert(j<span class="operator">,</span> offset);
offset <span class="operator">=</span> m_code<span class="operator">.</span>indexOf(QLatin1Char(<span class="char">'\n'</span>)<span class="operator">,</span> offset);
<span class="keyword">if</span> (offset <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>)
<span class="keyword">break</span>;
<span class="operator">+</span><span class="operator">+</span>offset;
}
m_lineOffsets<span class="operator">.</span>insert(j<span class="operator">,</span> offset);
}
<span class="keyword">return</span> offset;
}
<span class="type"><a href="qstring.html">QString</a></span> ScriptInfo<span class="operator">::</span>lineText(<span class="type">int</span> lineNumber)
{
<span class="type">int</span> startOffset <span class="operator">=</span> lineOffset(lineNumber);
<span class="keyword">if</span> (startOffset <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>)
<span class="keyword">return</span> <span class="type"><a href="qstring.html">QString</a></span>();
<span class="type">int</span> endOffset <span class="operator">=</span> lineOffset(lineNumber <span class="operator">+</span> <span class="number">1</span>);
<span class="keyword">if</span> (endOffset <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>)
<span class="keyword">return</span> m_code<span class="operator">.</span>mid(startOffset);
<span class="keyword">else</span>
<span class="keyword">return</span> m_code<span class="operator">.</span>mid(startOffset<span class="operator">,</span> endOffset <span class="operator">-</span> startOffset <span class="operator">-</span> <span class="number">1</span>);
}
ScriptDebuggerPrivate<span class="operator">::</span>ScriptDebuggerPrivate(<span class="type"><a href="qscriptengine.html">QScriptEngine</a></span> <span class="operator">*</span>engine)
: <span class="type"><a href="qscriptengineagent.html">QScriptEngineAgent</a></span>(engine)<span class="operator">,</span> m_mode(Run)
{
m_commandPrefix <span class="operator">=</span> QLatin1String(<span class="string">&quot;.&quot;</span>);
m_bpManager <span class="operator">=</span> <span class="keyword">new</span> ScriptBreakpointManager;
m_defaultInputStream <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtextstream.html">QTextStream</a></span>(stdin);
m_defaultOutputStream <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtextstream.html">QTextStream</a></span>(stdout);
m_defaultErrorStream <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtextstream.html">QTextStream</a></span>(stderr);
m_inputStream <span class="operator">=</span> m_defaultInputStream;
m_outputStream <span class="operator">=</span> m_defaultOutputStream;
m_errorStream <span class="operator">=</span> m_defaultErrorStream;
}
ScriptDebuggerPrivate<span class="operator">::</span><span class="operator">~</span>ScriptDebuggerPrivate()
{
<span class="keyword">delete</span> m_defaultInputStream;
<span class="keyword">delete</span> m_defaultOutputStream;
<span class="keyword">delete</span> m_defaultErrorStream;
<span class="keyword">delete</span> m_bpManager;
<a href="qtalgorithms.html#qDeleteAll">qDeleteAll</a>(m_scripts);
}
<span class="type"><a href="qstring.html">QString</a></span> ScriptDebuggerPrivate<span class="operator">::</span>readLine()
{
<span class="keyword">return</span> m_inputStream<span class="operator">-</span><span class="operator">&gt;</span>readLine();
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>output(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>text)
{
<span class="operator">*</span>m_outputStream <span class="operator">&lt;</span><span class="operator">&lt;</span> text;
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>message(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>text)
{
<span class="operator">*</span>m_outputStream <span class="operator">&lt;</span><span class="operator">&lt;</span> text <span class="operator">&lt;</span><span class="operator">&lt;</span> endl;
m_outputStream<span class="operator">-</span><span class="operator">&gt;</span>flush();
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>errorMessage(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>text)
{
<span class="operator">*</span>m_errorStream <span class="operator">&lt;</span><span class="operator">&lt;</span> text <span class="operator">&lt;</span><span class="operator">&lt;</span> endl;
m_errorStream<span class="operator">-</span><span class="operator">&gt;</span>flush();
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>setMode(Mode mode)
{
m_mode <span class="operator">=</span> mode;
}
ScriptDebuggerPrivate<span class="operator">::</span>Mode ScriptDebuggerPrivate<span class="operator">::</span>mode() <span class="keyword">const</span>
{
<span class="keyword">return</span> m_mode;
}
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ScriptDebuggerPrivate<span class="operator">::</span>frameContext(<span class="type">int</span> index) <span class="keyword">const</span>
{
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ctx <span class="operator">=</span> engine()<span class="operator">-</span><span class="operator">&gt;</span>currentContext();
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> index; <span class="operator">+</span><span class="operator">+</span>i) {
ctx <span class="operator">=</span> ctx<span class="operator">-</span><span class="operator">&gt;</span>parentContext();
<span class="keyword">if</span> (<span class="operator">!</span>ctx)
<span class="keyword">break</span>;
}
<span class="keyword">return</span> ctx;
}
<span class="type">int</span> ScriptDebuggerPrivate<span class="operator">::</span>currentFrameIndex() <span class="keyword">const</span>
{
<span class="keyword">return</span> m_currentFrameIndex;
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>setCurrentFrameIndex(<span class="type">int</span> index)
{
m_currentFrameIndex <span class="operator">=</span> index;
m_listLineNumber <span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>;
}
<span class="type">int</span> ScriptDebuggerPrivate<span class="operator">::</span>listLineNumber() <span class="keyword">const</span>
{
<span class="keyword">return</span> m_listLineNumber;
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>setListLineNumber(<span class="type">int</span> lineNumber)
{
m_listLineNumber <span class="operator">=</span> lineNumber;
}
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ScriptDebuggerPrivate<span class="operator">::</span>currentFrameContext() <span class="keyword">const</span>
{
<span class="keyword">return</span> frameContext(currentFrameIndex());
}
<span class="type">int</span> ScriptDebuggerPrivate<span class="operator">::</span>frameCount() <span class="keyword">const</span>
{
<span class="type">int</span> count <span class="operator">=</span> <span class="number">0</span>;
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ctx <span class="operator">=</span> engine()<span class="operator">-</span><span class="operator">&gt;</span>currentContext();
<span class="keyword">while</span> (ctx) {
<span class="operator">+</span><span class="operator">+</span>count;
ctx <span class="operator">=</span> ctx<span class="operator">-</span><span class="operator">&gt;</span>parentContext();
}
<span class="keyword">return</span> count;
}
ScriptInfo <span class="operator">*</span>ScriptDebuggerPrivate<span class="operator">::</span>scriptInfo(<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>context) <span class="keyword">const</span>
{
<span class="type"><a href="qstack.html">QStack</a></span><span class="operator">&lt;</span><span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span><span class="operator">&gt;</span> pids <span class="operator">=</span> m_contextProgramIds<span class="operator">.</span>value(context);
<span class="keyword">if</span> (pids<span class="operator">.</span>isEmpty())
<span class="keyword">return</span> <span class="number">0</span>;
<span class="keyword">return</span> m_scripts<span class="operator">.</span>value(pids<span class="operator">.</span>top());
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>interactive()
{
setCurrentFrameIndex(<span class="number">0</span>);
<span class="type"><a href="qstring.html">QString</a></span> qsdbgPrompt <span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;(qsdbg) &quot;</span>);
<span class="type"><a href="qstring.html">QString</a></span> dotPrompt <span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;.... &quot;</span>);
<span class="type"><a href="qstring.html">QString</a></span> prompt <span class="operator">=</span> qsdbgPrompt;
<span class="type"><a href="qstring.html">QString</a></span> code;
forever {
<span class="operator">*</span>m_outputStream <span class="operator">&lt;</span><span class="operator">&lt;</span> prompt;
m_outputStream<span class="operator">-</span><span class="operator">&gt;</span>flush();
<span class="type"><a href="qstring.html">QString</a></span> line <span class="operator">=</span> readLine();
<span class="keyword">if</span> (code<span class="operator">.</span>isEmpty() <span class="operator">&amp;</span><span class="operator">&amp;</span> (line<span class="operator">.</span>isEmpty() <span class="operator">|</span><span class="operator">|</span> line<span class="operator">.</span>startsWith(m_commandPrefix))) {
<span class="keyword">if</span> (line<span class="operator">.</span>isEmpty())
line <span class="operator">=</span> m_lastInteractiveCommand;
<span class="keyword">else</span>
m_lastInteractiveCommand <span class="operator">=</span> line;
<span class="type"><a href="qstringlist.html">QStringList</a></span> parts <span class="operator">=</span> line<span class="operator">.</span>split(QLatin1Char(<span class="char">' '</span>)<span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>SkipEmptyParts);
<span class="keyword">if</span> (<span class="operator">!</span>parts<span class="operator">.</span>isEmpty()) {
<span class="type"><a href="qstring.html">QString</a></span> command <span class="operator">=</span> parts<span class="operator">.</span>takeFirst()<span class="operator">.</span>mid(<span class="number">1</span>);
<span class="keyword">if</span> (executeCommand(command<span class="operator">,</span> parts))
<span class="keyword">break</span>;
}
} <span class="keyword">else</span> {
<span class="keyword">if</span> (line<span class="operator">.</span>isEmpty())
<span class="keyword">continue</span>;
code <span class="operator">+</span><span class="operator">=</span> line;
code <span class="operator">+</span><span class="operator">=</span> QLatin1Char(<span class="char">'\n'</span>);
<span class="keyword">if</span> (line<span class="operator">.</span>trimmed()<span class="operator">.</span>isEmpty()) {
<span class="keyword">continue</span>;
} <span class="keyword">else</span> <span class="keyword">if</span> (<span class="operator">!</span> engine()<span class="operator">-</span><span class="operator">&gt;</span>canEvaluate(code)) {
prompt <span class="operator">=</span> dotPrompt;
} <span class="keyword">else</span> {
setMode(Run);
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> result <span class="operator">=</span> engine()<span class="operator">-</span><span class="operator">&gt;</span>evaluate(code<span class="operator">,</span> QLatin1String(<span class="string">&quot;typein&quot;</span>));
code<span class="operator">.</span>clear();
prompt <span class="operator">=</span> qsdbgPrompt;
<span class="keyword">if</span> (<span class="operator">!</span> result<span class="operator">.</span>isUndefined()) {
errorMessage(result<span class="operator">.</span>toString());
engine()<span class="operator">-</span><span class="operator">&gt;</span>clearExceptions();
}
}
}
}
}
<span class="type">bool</span> ScriptDebuggerPrivate<span class="operator">::</span>executeCommand(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>command<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstringlist.html">QStringList</a></span> <span class="operator">&amp;</span>args)
{
<span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;c&quot;</span>)
<span class="operator">|</span><span class="operator">|</span> command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;continue&quot;</span>)) {
setMode(Run);
<span class="keyword">return</span> <span class="keyword">true</span>;
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;s&quot;</span>)
<span class="operator">|</span><span class="operator">|</span> command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;step&quot;</span>)) {
setMode(StepInto);
<span class="keyword">return</span> <span class="keyword">true</span>;
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;n&quot;</span>)
<span class="operator">|</span><span class="operator">|</span> command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;next&quot;</span>)) {
setMode(StepOver);
m_stepDepth <span class="operator">=</span> <span class="number">0</span>;
<span class="keyword">return</span> <span class="keyword">true</span>;
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;f&quot;</span>)
<span class="operator">|</span><span class="operator">|</span> command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;frame&quot;</span>)) {
<span class="type">bool</span> ok <span class="operator">=</span> <span class="keyword">false</span>;
<span class="type">int</span> index <span class="operator">=</span> args<span class="operator">.</span>value(<span class="number">0</span>)<span class="operator">.</span>toInt(<span class="operator">&amp;</span>ok);
<span class="keyword">if</span> (ok) {
<span class="keyword">if</span> (index <span class="operator">&lt;</span> <span class="number">0</span> <span class="operator">|</span><span class="operator">|</span> index <span class="operator">&gt;</span><span class="operator">=</span> frameCount()) {
errorMessage(<span class="string">&quot;No such frame.&quot;</span>);
} <span class="keyword">else</span> {
setCurrentFrameIndex(index);
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ctx <span class="operator">=</span> currentFrameContext();
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;#%0 %1&quot;</span>)<span class="operator">.</span>arg(index)<span class="operator">.</span>arg(ctx<span class="operator">-</span><span class="operator">&gt;</span>toString()));
}
}
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;bt&quot;</span>)
<span class="operator">|</span><span class="operator">|</span> command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;backtrace&quot;</span>)) {
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ctx <span class="operator">=</span> engine()<span class="operator">-</span><span class="operator">&gt;</span>currentContext();
<span class="type">int</span> index <span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>;
<span class="keyword">while</span> (ctx) {
<span class="operator">+</span><span class="operator">+</span>index;
<span class="type"><a href="qstring.html">QString</a></span> line <span class="operator">=</span> ctx<span class="operator">-</span><span class="operator">&gt;</span>toString();
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;#%0 %1&quot;</span>)<span class="operator">.</span>arg(index)<span class="operator">.</span>arg(line));
ctx <span class="operator">=</span> ctx<span class="operator">-</span><span class="operator">&gt;</span>parentContext();
}
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;up&quot;</span>)) {
<span class="type">int</span> index <span class="operator">=</span> currentFrameIndex() <span class="operator">+</span> <span class="number">1</span>;
<span class="keyword">if</span> (index <span class="operator">=</span><span class="operator">=</span> frameCount()) {
errorMessage(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;Initial frame selected; you cannot go up.&quot;</span>));
} <span class="keyword">else</span> {
setCurrentFrameIndex(index);
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ctx <span class="operator">=</span> currentFrameContext();
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;#%0 %1&quot;</span>)<span class="operator">.</span>arg(index)<span class="operator">.</span>arg(ctx<span class="operator">-</span><span class="operator">&gt;</span>toString()));
}
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;down&quot;</span>)) {
<span class="type">int</span> index <span class="operator">=</span> currentFrameIndex() <span class="operator">-</span> <span class="number">1</span>;
<span class="keyword">if</span> (index <span class="operator">&lt;</span> <span class="number">0</span>) {
errorMessage(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;Bottom (innermost) frame selected; you cannot go down.&quot;</span>));
} <span class="keyword">else</span> {
setCurrentFrameIndex(index);
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ctx <span class="operator">=</span> currentFrameContext();
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;#%0 %1&quot;</span>)<span class="operator">.</span>arg(index)<span class="operator">.</span>arg(ctx<span class="operator">-</span><span class="operator">&gt;</span>toString()));
}
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;b&quot;</span>)
<span class="operator">|</span><span class="operator">|</span> command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;break&quot;</span>)) {
<span class="type"><a href="qstring.html">QString</a></span> str <span class="operator">=</span> args<span class="operator">.</span>value(<span class="number">0</span>);
<span class="type">int</span> colonIndex <span class="operator">=</span> str<span class="operator">.</span>indexOf(QLatin1Char(<span class="char">':'</span>));
<span class="keyword">if</span> (colonIndex <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) {
<span class="comment">// filename:line form</span>
<span class="type"><a href="qstring.html">QString</a></span> fileName <span class="operator">=</span> str<span class="operator">.</span>left(colonIndex);
<span class="type">int</span> lineNumber <span class="operator">=</span> str<span class="operator">.</span>mid(colonIndex<span class="operator">+</span><span class="number">1</span>)<span class="operator">.</span>toInt();
<span class="type">int</span> id <span class="operator">=</span> m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>setBreakpoint(fileName<span class="operator">,</span> lineNumber);
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;Breakpoint %0 at %1, line %2.&quot;</span>)<span class="operator">.</span>arg(id<span class="operator">+</span><span class="number">1</span>)<span class="operator">.</span>arg(fileName)<span class="operator">.</span>arg(lineNumber));
} <span class="keyword">else</span> {
<span class="comment">// function</span>
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> fun <span class="operator">=</span> engine()<span class="operator">-</span><span class="operator">&gt;</span>globalObject()<span class="operator">.</span>property(str);
<span class="keyword">if</span> (fun<span class="operator">.</span>isFunction()) {
<span class="type">int</span> id <span class="operator">=</span> m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>setBreakpoint(fun);
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;Breakpoint %0 at %1().&quot;</span>)<span class="operator">.</span>arg(id<span class="operator">+</span><span class="number">1</span>)<span class="operator">.</span>arg(str));
}
}
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;d&quot;</span>)
<span class="operator">|</span><span class="operator">|</span> command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;delete&quot;</span>)) {
<span class="type">int</span> id <span class="operator">=</span> args<span class="operator">.</span>value(<span class="number">0</span>)<span class="operator">.</span>toInt() <span class="operator">-</span> <span class="number">1</span>;
m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>removeBreakpoint(id);
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;disable&quot;</span>)) {
<span class="type">int</span> id <span class="operator">=</span> args<span class="operator">.</span>value(<span class="number">0</span>)<span class="operator">.</span>toInt() <span class="operator">-</span> <span class="number">1</span>;
m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>setBreakpointEnabled(id<span class="operator">,</span> <span class="keyword">false</span>);
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;enable&quot;</span>)) {
<span class="type">int</span> id <span class="operator">=</span> args<span class="operator">.</span>value(<span class="number">0</span>)<span class="operator">.</span>toInt() <span class="operator">-</span> <span class="number">1</span>;
m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>setBreakpointEnabled(id<span class="operator">,</span> <span class="keyword">true</span>);
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;list&quot;</span>)) {
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ctx <span class="operator">=</span> currentFrameContext();
ScriptInfo <span class="operator">*</span>progInfo <span class="operator">=</span> scriptInfo(ctx);
<span class="keyword">if</span> (<span class="operator">!</span>progInfo) {
errorMessage(<span class="string">&quot;No source text available for this frame.&quot;</span>);
} <span class="keyword">else</span> {
<span class="type"><a href="qscriptcontextinfo.html">QScriptContextInfo</a></span> ctxInfo(ctx);
<span class="type">bool</span> ok;
<span class="type">int</span> line <span class="operator">=</span> args<span class="operator">.</span>value(<span class="number">0</span>)<span class="operator">.</span>toInt(<span class="operator">&amp;</span>ok);
<span class="keyword">if</span> (ok) {
line <span class="operator">=</span> <a href="qtglobal.html#qMax">qMax</a>(<span class="number">1</span><span class="operator">,</span> line <span class="operator">-</span> <span class="number">5</span>);
} <span class="keyword">else</span> {
line <span class="operator">=</span> listLineNumber();
<span class="keyword">if</span> (line <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>)
line <span class="operator">=</span> <a href="qtglobal.html#qMax">qMax</a>(progInfo<span class="operator">-</span><span class="operator">&gt;</span>lineNumber()<span class="operator">,</span> ctxInfo<span class="operator">.</span>lineNumber() <span class="operator">-</span> <span class="number">5</span>);
}
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> line; i <span class="operator">&lt;</span> line <span class="operator">+</span> <span class="number">10</span>; <span class="operator">+</span><span class="operator">+</span>i) {
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;%0\t%1&quot;</span>)<span class="operator">.</span>arg(i)<span class="operator">.</span>arg(progInfo<span class="operator">-</span><span class="operator">&gt;</span>lineText(i)));
}
setListLineNumber(line <span class="operator">+</span> <span class="number">10</span>);
}
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;info&quot;</span>)) {
<span class="keyword">if</span> (args<span class="operator">.</span>size() <span class="operator">&lt;</span> <span class="number">1</span>) {
} <span class="keyword">else</span> {
<span class="type"><a href="qstring.html">QString</a></span> what <span class="operator">=</span> args<span class="operator">.</span>value(<span class="number">0</span>);
<span class="keyword">if</span> (what <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;locals&quot;</span>)) {
<span class="type"><a href="qscriptvalueiterator.html">QScriptValueIterator</a></span> it(currentFrameContext()<span class="operator">-</span><span class="operator">&gt;</span>activationObject());
<span class="keyword">while</span> (it<span class="operator">.</span>hasNext()) {
it<span class="operator">.</span>next();
<span class="type"><a href="qstring.html">QString</a></span> line;
line<span class="operator">.</span>append(it<span class="operator">.</span>name());
line<span class="operator">.</span>append(QLatin1String(<span class="string">&quot; = &quot;</span>));
line<span class="operator">.</span>append(safeValueToString(it<span class="operator">.</span>value()));
message(line);
}
}
}
} <span class="keyword">else</span> <span class="keyword">if</span> (command <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">&quot;help&quot;</span>)) {
message(<span class="string">&quot;continue - continue execution\n&quot;</span>
<span class="string">&quot;step - step into statement\n&quot;</span>
<span class="string">&quot;next - step over statement\n&quot;</span>
<span class="string">&quot;list - show where you are\n&quot;</span>
<span class="string">&quot;\n&quot;</span>
<span class="string">&quot;break - set breakpoint\n&quot;</span>
<span class="string">&quot;delete - remove breakpoint\n&quot;</span>
<span class="string">&quot;disable - disable breakpoint\n&quot;</span>
<span class="string">&quot;enable - enable breakpoint\n&quot;</span>
<span class="string">&quot;\n&quot;</span>
<span class="string">&quot;backtrace - show backtrace\n&quot;</span>
<span class="string">&quot;up - one frame up\n&quot;</span>
<span class="string">&quot;down - one frame down\n&quot;</span>
<span class="string">&quot;frame - set frame\n&quot;</span>
<span class="string">&quot;\n&quot;</span>
<span class="string">&quot;info locals - show local variables&quot;</span>);
} <span class="keyword">else</span> {
errorMessage(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;Undefined command \&quot;%0\&quot;. Try \&quot;help\&quot;.&quot;</span>)
<span class="operator">.</span>arg(command));
}
<span class="keyword">return</span> <span class="keyword">false</span>;
}
<span class="comment">// QScriptEngineAgent interface</span>
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>scriptLoad(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> id<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>program<span class="operator">,</span>
<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>fileName<span class="operator">,</span> <span class="type">int</span> lineNumber)
{
ScriptInfo <span class="operator">*</span>info <span class="operator">=</span> <span class="keyword">new</span> ScriptInfo(program<span class="operator">,</span> fileName<span class="operator">,</span> lineNumber);
m_scripts<span class="operator">.</span>insert(id<span class="operator">,</span> info);
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>scriptUnload(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> id)
{
ScriptInfo <span class="operator">*</span>info <span class="operator">=</span> m_scripts<span class="operator">.</span>take(id);
<span class="keyword">delete</span> info;
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>functionEntry(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> scriptId)
{
<span class="keyword">if</span> (scriptId <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) {
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ctx <span class="operator">=</span> engine()<span class="operator">-</span><span class="operator">&gt;</span>currentContext();
<span class="type"><a href="qstack.html">QStack</a></span><span class="operator">&lt;</span><span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span><span class="operator">&gt;</span> ids <span class="operator">=</span> m_contextProgramIds<span class="operator">.</span>value(ctx);
ids<span class="operator">.</span>push(scriptId);
m_contextProgramIds<span class="operator">.</span>insert(ctx<span class="operator">,</span> ids);
}
<span class="keyword">if</span> (mode() <span class="operator">=</span><span class="operator">=</span> StepOver)
<span class="operator">+</span><span class="operator">+</span>m_stepDepth;
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>functionExit(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> scriptId<span class="operator">,</span>
<span class="keyword">const</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> <span class="operator">&amp;</span><span class="comment">/*returnValue*/</span>)
{
<span class="keyword">if</span> (scriptId <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) {
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ctx <span class="operator">=</span> engine()<span class="operator">-</span><span class="operator">&gt;</span>currentContext();
<span class="type"><a href="qstack.html">QStack</a></span><span class="operator">&lt;</span><span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span><span class="operator">&gt;</span> ids <span class="operator">=</span> m_contextProgramIds<span class="operator">.</span>value(ctx);
Q_ASSERT(<span class="operator">!</span>ids<span class="operator">.</span>isEmpty());
Q_ASSERT(ids<span class="operator">.</span>top() <span class="operator">=</span><span class="operator">=</span> scriptId);
ids<span class="operator">.</span>pop();
m_contextProgramIds<span class="operator">.</span>insert(ctx<span class="operator">,</span> ids);
}
<span class="keyword">if</span> (mode() <span class="operator">=</span><span class="operator">=</span> StepOver)
<span class="operator">-</span><span class="operator">-</span>m_stepDepth;
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>positionChange(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> scriptId<span class="operator">,</span>
<span class="type">int</span> lineNumber<span class="operator">,</span> <span class="type">int</span> <span class="comment">/*columnNumber*/</span>)
{
ScriptInfo <span class="operator">*</span>info <span class="operator">=</span> <span class="number">0</span>;
<span class="type">bool</span> enterInteractiveMode <span class="operator">=</span> <span class="keyword">false</span>;
<span class="keyword">if</span> (m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>hasBreakpoints()) {
<span class="comment">// check if we hit a breakpoint</span>
info <span class="operator">=</span> m_scripts<span class="operator">.</span>value(scriptId);
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ctx <span class="operator">=</span> engine()<span class="operator">-</span><span class="operator">&gt;</span>currentContext();
<span class="type"><a href="qscriptcontextinfo.html">QScriptContextInfo</a></span> ctxInfo(ctx);
<span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> callee <span class="operator">=</span> ctx<span class="operator">-</span><span class="operator">&gt;</span>callee();
<span class="comment">// try fileName:lineNumber</span>
<span class="type">int</span> bpid <span class="operator">=</span> m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>findBreakpoint(info<span class="operator">-</span><span class="operator">&gt;</span>fileName()<span class="operator">,</span> lineNumber);
<span class="keyword">if</span> ((bpid <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) <span class="operator">&amp;</span><span class="operator">&amp;</span> m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>isBreakpointEnabled(bpid)) {
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;Breakpoint %0 at %1:%2&quot;</span>)
<span class="operator">.</span>arg(bpid <span class="operator">+</span> <span class="number">1</span>)<span class="operator">.</span>arg(info<span class="operator">-</span><span class="operator">&gt;</span>fileName())<span class="operator">.</span>arg(lineNumber));
<span class="keyword">if</span> (m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>isBreakpointSingleShot(bpid))
m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>removeBreakpoint(bpid);
}
<span class="keyword">if</span> (bpid <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) {
<span class="comment">// try function</span>
bpid <span class="operator">=</span> m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>findBreakpoint(callee);
<span class="keyword">if</span> ((bpid <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) <span class="operator">&amp;</span><span class="operator">&amp;</span> m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>isBreakpointEnabled(bpid)) {
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;Breakpoint %0, %1()&quot;</span>)
<span class="operator">.</span>arg(bpid <span class="operator">+</span> <span class="number">1</span>)<span class="operator">.</span>arg(ctxInfo<span class="operator">.</span>functionName()));
<span class="keyword">if</span> (m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>isBreakpointSingleShot(bpid))
m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>removeBreakpoint(bpid);
}
}
<span class="keyword">if</span> ((bpid <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) <span class="operator">&amp;</span><span class="operator">&amp;</span> <span class="operator">!</span>ctxInfo<span class="operator">.</span>functionName()<span class="operator">.</span>isEmpty()) {
<span class="comment">// try functionName:fileName</span>
bpid <span class="operator">=</span> m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>findBreakpoint(ctxInfo<span class="operator">.</span>functionName()<span class="operator">,</span> ctxInfo<span class="operator">.</span>fileName());
<span class="keyword">if</span> ((bpid <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) <span class="operator">&amp;</span><span class="operator">&amp;</span> m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>isBreakpointEnabled(bpid)) {
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;Breakpoint %0, %1():%2&quot;</span>)<span class="operator">.</span>arg(bpid <span class="operator">+</span> <span class="number">1</span>)
<span class="operator">.</span>arg(ctxInfo<span class="operator">.</span>functionName())<span class="operator">.</span>arg(ctxInfo<span class="operator">.</span>fileName()));
<span class="keyword">if</span> (m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>isBreakpointSingleShot(bpid))
m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>removeBreakpoint(bpid);
}
}
enterInteractiveMode <span class="operator">=</span> (bpid <span class="operator">!</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>);
}
<span class="keyword">switch</span> (mode()) {
<span class="keyword">case</span> Run:
<span class="keyword">break</span>;
<span class="keyword">case</span> StepInto:
enterInteractiveMode <span class="operator">=</span> <span class="keyword">true</span>;
<span class="keyword">break</span>;
<span class="keyword">case</span> StepOver:
enterInteractiveMode <span class="operator">=</span> enterInteractiveMode <span class="operator">|</span><span class="operator">|</span> (m_stepDepth <span class="operator">&lt;</span><span class="operator">=</span> <span class="number">0</span>);
<span class="keyword">break</span>;
}
<span class="keyword">if</span> (enterInteractiveMode) {
<span class="keyword">if</span> (<span class="operator">!</span>info)
info <span class="operator">=</span> m_scripts<span class="operator">.</span>value(scriptId);
Q_ASSERT(info);
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;%0\t%1&quot;</span>)<span class="operator">.</span>arg(lineNumber)<span class="operator">.</span>arg(info<span class="operator">-</span><span class="operator">&gt;</span>lineText(lineNumber)));
interactive();
}
}
<span class="type">void</span> ScriptDebuggerPrivate<span class="operator">::</span>exceptionThrow(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> <span class="comment">/*scriptId*/</span><span class="operator">,</span>
<span class="keyword">const</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> <span class="operator">&amp;</span>exception<span class="operator">,</span>
<span class="type">bool</span> hasHandler)
{
<span class="keyword">if</span> (<span class="operator">!</span>hasHandler) {
errorMessage(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;uncaught exception: %0&quot;</span>)<span class="operator">.</span>arg(exception<span class="operator">.</span>toString()));
<span class="type"><a href="qscriptcontext.html">QScriptContext</a></span> <span class="operator">*</span>ctx <span class="operator">=</span> engine()<span class="operator">-</span><span class="operator">&gt;</span>currentContext();
<span class="type">int</span> lineNumber <span class="operator">=</span> <span class="type"><a href="qscriptcontextinfo.html">QScriptContextInfo</a></span>(ctx)<span class="operator">.</span>lineNumber();
ScriptInfo <span class="operator">*</span>info <span class="operator">=</span> scriptInfo(ctx);
<span class="type"><a href="qstring.html">QString</a></span> lineText <span class="operator">=</span> info <span class="operator">?</span> info<span class="operator">-</span><span class="operator">&gt;</span>lineText(lineNumber) : <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;(no source text available)&quot;</span>);
message(<span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromLatin1(<span class="string">&quot;%0\t%1&quot;</span>)<span class="operator">.</span>arg(lineNumber)<span class="operator">.</span>arg(lineText));
interactive();
}
}
ScriptDebugger<span class="operator">::</span>ScriptDebugger(<span class="type"><a href="qscriptengine.html">QScriptEngine</a></span> <span class="operator">*</span>engine)
: d_ptr(<span class="keyword">new</span> ScriptDebuggerPrivate(engine))
{
d_ptr<span class="operator">-</span><span class="operator">&gt;</span>q_ptr <span class="operator">=</span> <span class="keyword">this</span>;
engine<span class="operator">-</span><span class="operator">&gt;</span>setAgent(d_ptr);
}
ScriptDebugger<span class="operator">::</span>ScriptDebugger(<span class="type"><a href="qscriptengine.html">QScriptEngine</a></span> <span class="operator">*</span>engine<span class="operator">,</span> ScriptDebuggerPrivate <span class="operator">&amp;</span>dd)
: d_ptr(<span class="operator">&amp;</span>dd)
{
d_ptr<span class="operator">-</span><span class="operator">&gt;</span>q_ptr <span class="operator">=</span> <span class="keyword">this</span>;
engine<span class="operator">-</span><span class="operator">&gt;</span>setAgent(d_ptr);
}
ScriptDebugger<span class="operator">::</span><span class="operator">~</span>ScriptDebugger()
{
<span class="keyword">delete</span> d_ptr;
d_ptr <span class="operator">=</span> <span class="number">0</span>;
}
<span class="type">void</span> ScriptDebugger<span class="operator">::</span>breakAtNextStatement()
{
Q_D(ScriptDebugger);
d<span class="operator">-</span><span class="operator">&gt;</span>setMode(ScriptDebuggerPrivate<span class="operator">::</span>StepInto);
}
<span class="type">void</span> ScriptDebugger<span class="operator">::</span>setBreakpoint(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>fileName<span class="operator">,</span> <span class="type">int</span> lineNumber)
{
Q_D(ScriptDebugger);
d<span class="operator">-</span><span class="operator">&gt;</span>m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>setBreakpoint(fileName<span class="operator">,</span> lineNumber);
}
<span class="type">void</span> ScriptDebugger<span class="operator">::</span>setBreakpoint(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>functionName<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>fileName)
{
Q_D(ScriptDebugger);
d<span class="operator">-</span><span class="operator">&gt;</span>m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>setBreakpoint(functionName<span class="operator">,</span> fileName);
}
<span class="type">void</span> ScriptDebugger<span class="operator">::</span>setBreakpoint(<span class="keyword">const</span> <span class="type"><a href="qscriptvalue.html">QScriptValue</a></span> <span class="operator">&amp;</span>function)
{
Q_D(ScriptDebugger);
d<span class="operator">-</span><span class="operator">&gt;</span>m_bpManager<span class="operator">-</span><span class="operator">&gt;</span>setBreakpoint(function);
}
<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>ScriptDebugger<span class="operator">::</span>inputStream() <span class="keyword">const</span>
{
Q_D(<span class="keyword">const</span> ScriptDebugger);
<span class="keyword">return</span> d<span class="operator">-</span><span class="operator">&gt;</span>m_inputStream;
}
<span class="type">void</span> ScriptDebugger<span class="operator">::</span>setInputStream(<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>inputStream)
{
Q_D(ScriptDebugger);
d<span class="operator">-</span><span class="operator">&gt;</span>m_inputStream <span class="operator">=</span> inputStream;
}
<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>ScriptDebugger<span class="operator">::</span>outputStream() <span class="keyword">const</span>
{
Q_D(<span class="keyword">const</span> ScriptDebugger);
<span class="keyword">return</span> d<span class="operator">-</span><span class="operator">&gt;</span>m_outputStream;
}
<span class="type">void</span> ScriptDebugger<span class="operator">::</span>setOutputStream(<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>outputStream)
{
Q_D(ScriptDebugger);
d<span class="operator">-</span><span class="operator">&gt;</span>m_outputStream <span class="operator">=</span> outputStream;
}
<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>ScriptDebugger<span class="operator">::</span>errorStream() <span class="keyword">const</span>
{
Q_D(<span class="keyword">const</span> ScriptDebugger);
<span class="keyword">return</span> d<span class="operator">-</span><span class="operator">&gt;</span>m_errorStream;
}
<span class="type">void</span> ScriptDebugger<span class="operator">::</span>setErrorStream(<span class="type"><a href="qtextstream.html">QTextStream</a></span> <span class="operator">*</span>errorStream)
{
Q_D(ScriptDebugger);
d<span class="operator">-</span><span class="operator">&gt;</span>m_errorStream <span class="operator">=</span> errorStream;
}</pre>
</div>
<!-- @@@script/qsdbg/scriptdebugger.cpp -->
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<acronym title="Copyright">&copy;</acronym> 2015 The Qt Company Ltd.
Documentation contributions included herein are the copyrights of
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<p>
The documentation provided herein is licensed under the terms of the
<a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation
License version 1.3</a> as published by the Free Software Foundation.</p>
<p>
Documentation sources may be obtained from <a href="http://www.qt-project.org">
www.qt-project.org</a>.</p>
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