diff options
Diffstat (limited to 'src/plugins/debugger/cdb/cdbsymbolgroupcontext.cpp')
| -rw-r--r-- | src/plugins/debugger/cdb/cdbsymbolgroupcontext.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/plugins/debugger/cdb/cdbsymbolgroupcontext.cpp b/src/plugins/debugger/cdb/cdbsymbolgroupcontext.cpp new file mode 100644 index 0000000000..aa52ef55e1 --- /dev/null +++ b/src/plugins/debugger/cdb/cdbsymbolgroupcontext.cpp @@ -0,0 +1,177 @@ +/************************************************************************** +** +** This file is part of Qt Creator +** +** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). +** +** Contact: Qt Software Information (qt-info@nokia.com) +** +** Commercial Usage +** +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** +**************************************************************************/ + +#include "cdbsymbolgroupcontext.h" +#include "cdbdebugengine_p.h" +#include "watchhandler.h" + +// A helper function to extract a string value from a member function of +// IDebugSymbolGroup2 taking the symbol index and a character buffer. +// Pass in the the member function as '&IDebugSymbolGroup2::GetSymbolNameWide' + +typedef HRESULT (__stdcall IDebugSymbolGroup2::*WideStringRetrievalFunction)(ULONG, PWSTR, ULONG, PULONG); + +static inline QString getSymbolString(IDebugSymbolGroup2 *sg, + WideStringRetrievalFunction wsf, + unsigned long index) +{ + static WCHAR nameBuffer[MAX_PATH + 1]; + // Name + ULONG nameLength; + const HRESULT hr = (sg->*wsf)(index, nameBuffer, MAX_PATH, &nameLength); + if (SUCCEEDED(hr)) { + nameBuffer[nameLength] = 0; + return QString::fromUtf16(nameBuffer); + } + return QString(); +} + +namespace Debugger { + namespace Internal { + +CdbSymbolGroupContext::CdbSymbolGroupContext(const QString &prefix, + IDebugSymbolGroup2 *symbolGroup) : + m_prefix(prefix), + m_nameDelimiter(QLatin1Char('.')), + m_symbolGroup(symbolGroup) +{ +} + +CdbSymbolGroupContext::~CdbSymbolGroupContext() +{ + m_symbolGroup->Release(); +} + +CdbSymbolGroupContext::Range + CdbSymbolGroupContext::getSymbolRange(const QString &prefix) +{ + if (debugCDB) + qDebug() << Q_FUNC_INFO << prefix; + const ChildRangeMap::const_iterator it = m_childRanges.constFind(prefix); + if (it != m_childRanges.constEnd()) + return it.value(); + const Range r = prefix == m_prefix ? allocateRootSymbols() : allocateChildSymbols(prefix); + m_childRanges.insert(prefix, r); + return r; +} + +CdbSymbolGroupContext::Range + CdbSymbolGroupContext::allocateChildSymbols(const QString &prefix) +{ + unsigned long startPos = 0; + unsigned long count = 0; + + bool success = false; + QString errorMessage; + do { + const int parentIndex = m_symbolINames.indexOf(prefix); + if (parentIndex == -1) { + errorMessage = QString::fromLatin1("Prefix not found '%1'").arg(prefix); + break; + } + + success = true; + } while (false); + if (!success) { + qWarning("%s\n", qPrintable(errorMessage)); + } + return Range(startPos, count); +} + +CdbSymbolGroupContext::Range + CdbSymbolGroupContext::allocateRootSymbols() +{ + unsigned long startPos = 0; + unsigned long count = 0; + bool success = false; + + QString errorMessage; + do { + HRESULT hr = m_symbolGroup->GetNumberSymbols(&count); + if (FAILED(hr)) { + errorMessage = msgComFailed("GetNumberSymbols", hr); + break; + } + + m_symbolParameters.reserve(3u * count); + m_symbolParameters.resize(count); + + hr = m_symbolGroup->GetSymbolParameters(0, count, symbolParameters()); + if (FAILED(hr)) { + errorMessage = msgComFailed("GetSymbolParameters", hr); + break; + } + const QString symbolPrefix = m_prefix + m_nameDelimiter; + for (unsigned long i = 0; i < count; i++) + m_symbolINames.push_back(symbolPrefix + getSymbolString(m_symbolGroup, &IDebugSymbolGroup2::GetSymbolNameWide, i)); + + success = true; + } while (false); + if (!success) { + clear(); + count = 0; + qWarning("%s\n", qPrintable(errorMessage)); + } + return Range(startPos, count); +} + +void CdbSymbolGroupContext::clear() +{ + m_symbolParameters.clear(); + m_childRanges.clear(); + m_symbolINames.clear(); +} + +WatchData CdbSymbolGroupContext::symbolAt(unsigned long index) const +{ + if (debugCDB) + qDebug() << Q_FUNC_INFO << index; + + WatchData wd; + wd.iname = m_symbolINames.at(index); + const int lastDelimiterPos = wd.iname.lastIndexOf(m_nameDelimiter); + wd.name = lastDelimiterPos == -1 ? wd.iname : wd.iname.mid(lastDelimiterPos + 1); + wd.type = getSymbolString(m_symbolGroup, &IDebugSymbolGroup2::GetSymbolTypeNameWide, index); + wd.value = getSymbolString(m_symbolGroup, &IDebugSymbolGroup2::GetSymbolValueTextWide, index); + const DEBUG_SYMBOL_PARAMETERS ¶ms = m_symbolParameters.at(index); + if (params.SubElements) { + wd.setTypeUnneeded(); + wd.setValueUnneeded(); + wd.setChildCount(1); + } else { + wd.setAllUnneeded(); + } + if (debugCDB) { + qDebug() << Q_FUNC_INFO << wd.toString(); + } + return wd; +} + +} +} |