forked from OSchip/llvm-project
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
//===-- Mapper.cpp - ClangDoc Mapper ----------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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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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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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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ECtx->reportResult(llvm::toHex(llvm::toStringRef(serialize::hashUSR(USR))),
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serialize::emitInfo(D, getComment(D, D->getASTContext()),
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getLine(D, D->getASTContext()),
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getFile(D, D->getASTContext())));
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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->getLocStart()).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->getLocStart())
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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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