99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
//===-- Mapper.cpp - ClangDoc Mapper ----------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "Mapper.h"
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#include "BitcodeWriter.h"
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#include "Serialize.h"
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#include "clang/AST/Comment.h"
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#include "clang/Index/USRGeneration.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/Support/Error.h"
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using clang::comments::FullComment;
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namespace clang {
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namespace doc {
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void MapASTVisitor::HandleTranslationUnit(ASTContext &Context) {
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TraverseDecl(Context.getTranslationUnitDecl());
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}
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template <typename T> bool MapASTVisitor::mapDecl(const T *D) {
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// If we're looking a decl not in user files, skip this decl.
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if (D->getASTContext().getSourceManager().isInSystemHeader(D->getLocation()))
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return true;
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// Skip function-internal decls.
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if (D->getParentFunctionOrMethod())
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return true;
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llvm::SmallString<128> USR;
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// If there is an error generating a USR for the decl, skip this decl.
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if (index::generateUSRForDecl(D, USR))
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return true;
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auto I = serialize::emitInfo(
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D, getComment(D, D->getASTContext()), getLine(D, D->getASTContext()),
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getFile(D, D->getASTContext()), CDCtx.PublicOnly);
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// A null in place of I indicates that the serializer is skipping this decl
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// for some reason (e.g. we're only reporting public decls).
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if (I.first)
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CDCtx.ECtx->reportResult(llvm::toHex(llvm::toStringRef(I.first->USR)),
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serialize::serialize(I.first));
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if (I.second)
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CDCtx.ECtx->reportResult(llvm::toHex(llvm::toStringRef(I.second->USR)),
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serialize::serialize(I.second));
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return true;
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}
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bool MapASTVisitor::VisitNamespaceDecl(const NamespaceDecl *D) {
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return mapDecl(D);
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}
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bool MapASTVisitor::VisitRecordDecl(const RecordDecl *D) { return mapDecl(D); }
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bool MapASTVisitor::VisitEnumDecl(const EnumDecl *D) { return mapDecl(D); }
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bool MapASTVisitor::VisitCXXMethodDecl(const CXXMethodDecl *D) {
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return mapDecl(D);
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}
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bool MapASTVisitor::VisitFunctionDecl(const FunctionDecl *D) {
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// Don't visit CXXMethodDecls twice
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if (dyn_cast<CXXMethodDecl>(D))
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return true;
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return mapDecl(D);
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}
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comments::FullComment *
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MapASTVisitor::getComment(const NamedDecl *D, const ASTContext &Context) const {
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RawComment *Comment = Context.getRawCommentForDeclNoCache(D);
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// FIXME: Move setAttached to the initial comment parsing.
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if (Comment) {
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Comment->setAttached();
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return Comment->parse(Context, nullptr, D);
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}
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return nullptr;
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}
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int MapASTVisitor::getLine(const NamedDecl *D,
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const ASTContext &Context) const {
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return Context.getSourceManager().getPresumedLoc(D->getBeginLoc()).getLine();
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}
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llvm::StringRef MapASTVisitor::getFile(const NamedDecl *D,
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const ASTContext &Context) const {
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return Context.getSourceManager()
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.getPresumedLoc(D->getBeginLoc())
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.getFilename();
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}
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} // namespace doc
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} // namespace clang
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