llvm-for-llvmta/tools/clang/lib/Index/FileIndexRecord.cpp

62 lines
1.9 KiB
C++

//===--- FileIndexRecord.cpp - Index data per file --------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "FileIndexRecord.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/Path.h"
using namespace clang;
using namespace clang::index;
void FileIndexRecord::addDeclOccurence(SymbolRoleSet Roles, unsigned Offset,
const Decl *D,
ArrayRef<SymbolRelation> Relations) {
assert(D->isCanonicalDecl() &&
"Occurrences should be associated with their canonical decl");
auto IsNextOccurence = [&]() -> bool {
if (Decls.empty())
return true;
auto &Last = Decls.back();
return Last.Offset < Offset;
};
if (IsNextOccurence()) {
Decls.emplace_back(Roles, Offset, D, Relations);
return;
}
DeclOccurrence NewInfo(Roles, Offset, D, Relations);
// We keep Decls in order as we need to access them in this order in all cases.
auto It = llvm::upper_bound(Decls, NewInfo);
Decls.insert(It, std::move(NewInfo));
}
void FileIndexRecord::print(llvm::raw_ostream &OS) const {
OS << "DECLS BEGIN ---\n";
for (auto &DclInfo : Decls) {
const Decl *D = DclInfo.Dcl;
SourceManager &SM = D->getASTContext().getSourceManager();
SourceLocation Loc = SM.getFileLoc(D->getLocation());
PresumedLoc PLoc = SM.getPresumedLoc(Loc);
OS << llvm::sys::path::filename(PLoc.getFilename()) << ':' << PLoc.getLine()
<< ':' << PLoc.getColumn();
if (auto ND = dyn_cast<NamedDecl>(D)) {
OS << ' ' << ND->getDeclName();
}
OS << '\n';
}
OS << "DECLS END ---\n";
}