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