forked from qt-creator/qt-creator
97 lines
3.7 KiB
C++
97 lines
3.7 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2018 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 "indexdataconsumer.h"
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#include <clang/Basic/SourceLocation.h>
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#include <clang/Index/IndexSymbol.h>
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#include <clang/AST/Decl.h>
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#include <llvm/ADT/ArrayRef.h>
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namespace ClangBackEnd {
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namespace {
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bool hasSymbolRole(clang::index::SymbolRole role, clang::index::SymbolRoleSet roleSet)
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{
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return roleSet & static_cast<clang::index::SymbolRoleSet>(role);
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}
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Utils::SmallString symbolName(const clang::NamedDecl *declaration)
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{
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return declaration->getName();
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}
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SymbolType symbolType(clang::index::SymbolRoleSet roles)
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{
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if (hasSymbolRole(clang::index::SymbolRole::Reference, roles))
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return SymbolType::DeclarationReference;
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else if (hasSymbolRole(clang::index::SymbolRole::Declaration, roles))
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return SymbolType::Declaration;
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else if (hasSymbolRole(clang::index::SymbolRole::Definition, roles))
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return SymbolType::Definition;
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return SymbolType::None;
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}
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}
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bool IndexDataConsumer::handleDeclOccurence(const clang::Decl *declaration,
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clang::index::SymbolRoleSet symbolRoles,
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llvm::ArrayRef<clang::index::SymbolRelation> symbolRelations,
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clang::FileID fileId,
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unsigned offset,
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IndexDataConsumer::ASTNodeInfo astNodeInfo)
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{
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const auto *namedDeclaration = clang::dyn_cast<clang::NamedDecl>(declaration);
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if (namedDeclaration) {
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if (!namedDeclaration->getIdentifier())
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return true;
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SymbolIndex globalId = toSymbolIndex(declaration->getCanonicalDecl());
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clang::SourceLocation sourceLocation = m_sourceManager->getLocForStartOfFile(fileId).getLocWithOffset(offset);
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auto found = m_symbolEntries.find(globalId);
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if (found == m_symbolEntries.end()) {
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Utils::optional<Utils::PathString> usr = generateUSR(namedDeclaration);
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if (usr) {
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m_symbolEntries.emplace(std::piecewise_construct,
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std::forward_as_tuple(globalId),
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std::forward_as_tuple(std::move(usr.value()), symbolName(namedDeclaration)));
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}
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}
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m_sourceLocationEntries.emplace_back(globalId,
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filePathId(sourceLocation),
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lineColum(sourceLocation),
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symbolType(symbolRoles));
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}
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return true;
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}
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} // namespace ClangBackEnd
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