File indexing completed on 2024-05-12 04:39:12

 /*
     SPDX-FileCopyrightText: 2014 Olivier de Gaalon <olivier.jg@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #include "clangpch.h"
 
 #include <language/duchain/duchain.h>
 
 #include "clanghelpers.h"
 #include "util/clangtypes.h"
 #include "clangparsingenvironment.h"
 
 using namespace KDevelop;
 
 namespace {
 
 //Map a file from one translation unit to another
 inline CXFile mapFile(CXFile file, CXTranslationUnit tu)
 {
     return clang_getFile(tu, ClangString(clang_getFileName(file)).c_str());
 }
 
 }
 
 ClangPCH::ClangPCH(const ClangParsingEnvironment& environment, ClangIndex* index)
     : m_session({})
 {
     const auto& pchInclude = environment.pchInclude();
     Q_ASSERT(pchInclude.isValid());
 
     const TopDUContext::Features pchFeatures = TopDUContext::AllDeclarationsContextsUsesAndAST;
     const IndexedString doc(pchInclude.pathOrUrl());
 
     ClangParsingEnvironment pchEnv;
     pchEnv.setPchInclude(Path());
     pchEnv.setTranslationUnitUrl(doc);
     m_session.setData(ParseSessionData::Ptr(new ParseSessionData({}, index, pchEnv, ParseSessionData::PrecompiledHeader)));
 
     if (!m_session.unit()) {
         return;
     }
 
     auto imports = ClangHelpers::tuImports(m_session.unit());
     m_context = ClangHelpers::buildDUChain(m_session.mainFile(), imports, m_session, pchFeatures, m_includes, {}, {});
 }
 
 IncludeFileContexts ClangPCH::mapIncludes(CXTranslationUnit tu) const
 {
     IncludeFileContexts mapped;
     mapped.reserve(m_includes.size());
     for (auto it = m_includes.constBegin(); it != m_includes.constEnd(); ++it) {
         mapped.insert(::mapFile(it.key(), tu), it.value());
     }
     return mapped;
 }
 
 CXFile ClangPCH::mapFile(CXTranslationUnit tu) const
 {
     return ::mapFile(m_session.mainFile(), tu);
 }
 
 ReferencedTopDUContext ClangPCH::context() const
 {
     return m_context;
 }