forked from qt-creator/qt-creator
Clang: Rename directory ipcsource to source
Now it's in accordance with clangrefactoringbackend/source and clangpchmanagerbackend/source. Change-Id: I939cfc72cffb8fcde0649f125e6efb6670d1cbc3 Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
This commit is contained in:
Nikolai Kosjar
220
src/tools/clangbackend/source/clangtranslationunitupdater.cpp
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src/tools/clangbackend/source/clangtranslationunitupdater.cpp
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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "clangtranslationunitupdater.h"
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#include "clangfilepath.h"
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#include "clangstring.h"
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#include "clangunsavedfilesshallowarguments.h"
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#include <QLoggingCategory>
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static Q_LOGGING_CATEGORY(verboseLibLog, "qtc.clangbackend.verboselib");
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static bool isVerboseModeEnabled()
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{
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return verboseLibLog().isDebugEnabled();
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}
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namespace ClangBackEnd {
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TranslationUnitUpdater::TranslationUnitUpdater(const Utf8String translationUnitId,
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CXIndex &index,
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CXTranslationUnit &cxTranslationUnit,
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const TranslationUnitUpdateInput &updateData)
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: m_cxIndex(index)
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, m_cxTranslationUnit(cxTranslationUnit)
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, m_in(updateData)
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{
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m_out.translationUnitId = translationUnitId;
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}
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TranslationUnitUpdateResult TranslationUnitUpdater::update(UpdateMode mode)
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{
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createIndexIfNeeded();
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switch (mode) {
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case UpdateMode::AsNeeded:
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recreateAndParseIfNeeded();
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reparseIfNeeded();
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break;
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case UpdateMode::ParseIfNeeded:
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recreateAndParseIfNeeded();
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break;
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case UpdateMode::ForceReparse:
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reparse();
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break;
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}
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return m_out;
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}
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void TranslationUnitUpdater::recreateAndParseIfNeeded()
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{
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removeTranslationUnitIfProjectPartWasChanged();
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createTranslationUnitIfNeeded();
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}
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void TranslationUnitUpdater::removeTranslationUnitIfProjectPartWasChanged()
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{
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if (m_in.parseNeeded) {
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clang_disposeTranslationUnit(m_cxTranslationUnit);
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m_cxTranslationUnit = nullptr;
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}
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}
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#define RETURN_TEXT_FOR_CASE(enumValue) case enumValue: return #enumValue
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static const char *errorCodeToText(CXErrorCode errorCode)
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{
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switch (errorCode) {
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RETURN_TEXT_FOR_CASE(CXError_Success);
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RETURN_TEXT_FOR_CASE(CXError_Failure);
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RETURN_TEXT_FOR_CASE(CXError_Crashed);
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RETURN_TEXT_FOR_CASE(CXError_InvalidArguments);
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RETURN_TEXT_FOR_CASE(CXError_ASTReadError);
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}
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return "UnknownCXErrorCode";
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}
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#undef RETURN_TEXT_FOR_CASE
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void TranslationUnitUpdater::createTranslationUnitIfNeeded()
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{
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if (!m_cxTranslationUnit) {
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m_cxTranslationUnit = CXTranslationUnit();
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const auto args = commandLineArguments();
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if (isVerboseModeEnabled())
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args.print();
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UnsavedFilesShallowArguments unsaved = m_in.unsavedFiles.shallowArguments();
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m_parseErrorCode = clang_parseTranslationUnit2(m_cxIndex,
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NULL,
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args.data(),
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args.count(),
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unsaved.data(),
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unsaved.count(),
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defaultParseOptions(),
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&m_cxTranslationUnit);
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if (parseWasSuccessful()) {
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updateIncludeFilePaths();
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m_out.parseTimePoint = Clock::now();
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} else {
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qWarning() << "Parsing" << m_in.filePath << "failed:"
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<< errorCodeToText(m_parseErrorCode);
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m_out.hasParseOrReparseFailed = true;
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}
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}
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}
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void TranslationUnitUpdater::reparseIfNeeded()
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{
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if (m_in.reparseNeeded)
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reparse();
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}
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void TranslationUnitUpdater::reparse()
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{
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UnsavedFilesShallowArguments unsaved = m_in.unsavedFiles.shallowArguments();
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m_reparseErrorCode = clang_reparseTranslationUnit(
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m_cxTranslationUnit,
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unsaved.count(),
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unsaved.data(),
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clang_defaultReparseOptions(m_cxTranslationUnit));
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if (reparseWasSuccessful()) {
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updateIncludeFilePaths();
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m_out.reparseTimePoint = Clock::now();
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m_out.needsToBeReparsedChangeTimePoint = m_in.needsToBeReparsedChangeTimePoint;
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} else {
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qWarning() << "Reparsing" << m_in.filePath << "failed:" << m_reparseErrorCode;
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m_out.hasParseOrReparseFailed = true;
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}
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}
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void TranslationUnitUpdater::updateIncludeFilePaths()
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{
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m_out.dependedOnFilePaths.clear();
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m_out.dependedOnFilePaths.insert(m_in.filePath);
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clang_getInclusions(m_cxTranslationUnit,
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includeCallback,
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const_cast<TranslationUnitUpdater *>(this));
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}
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uint TranslationUnitUpdater::defaultParseOptions()
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{
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return CXTranslationUnit_CacheCompletionResults
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| CXTranslationUnit_PrecompiledPreamble
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| CXTranslationUnit_IncludeBriefCommentsInCodeCompletion
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| CXTranslationUnit_DetailedPreprocessingRecord
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| CXTranslationUnit_KeepGoing;
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}
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void TranslationUnitUpdater::createIndexIfNeeded()
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{
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if (!m_cxIndex) {
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const bool displayDiagnostics = isVerboseModeEnabled();
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m_cxIndex = clang_createIndex(1, displayDiagnostics);
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}
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}
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void TranslationUnitUpdater::includeCallback(CXFile included_file,
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CXSourceLocation *,
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unsigned, CXClientData clientData)
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{
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ClangString includeFilePath(clang_getFileName(included_file));
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TranslationUnitUpdater *updater = static_cast<TranslationUnitUpdater *>(clientData);
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updater->m_out.dependedOnFilePaths.insert(FilePath::fromNativeSeparators(includeFilePath));
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}
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bool TranslationUnitUpdater::parseWasSuccessful() const
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{
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return m_parseErrorCode == CXError_Success;
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}
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bool TranslationUnitUpdater::reparseWasSuccessful() const
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{
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return m_reparseErrorCode == 0;
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}
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CommandLineArguments TranslationUnitUpdater::commandLineArguments() const
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{
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return CommandLineArguments(m_in.filePath.constData(),
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m_in.projectArguments,
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m_in.fileArguments,
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isVerboseModeEnabled());
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}
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} // namespace ClangBackEnd
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