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//===-- YamlXrefsDB.cpp ---------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "YamlXrefsDB.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
#include <string>
#include <vector>
namespace clang {
namespace include_fixer {
YamlXrefsDB::YamlXrefsDB(llvm::StringRef FilePath) {
int ReadFD = 0;
if (llvm::sys::fs::openFileForRead(FilePath, ReadFD))
return;
auto Buffer = llvm::MemoryBuffer::getOpenFile(ReadFD, FilePath, -1);
if (!Buffer)
return;
Symbols = clang::find_all_symbols::ReadSymbolInfosFromYAML(
Buffer.get()->getBuffer());
}
std::vector<std::string> YamlXrefsDB::search(llvm::StringRef Identifier) {
llvm::SmallVector<llvm::StringRef, 16> Names;
std::vector<std::string> Results;
// The identifier may be fully qualified, so split it and get all the context
// names.
Identifier.split(Names, "::");
for (const auto &Symbol : Symbols) {
// Match the identifier name without qualifier.
if (Symbol.Name == Names.back()) {
bool IsMatched = true;
auto SymbolContext = Symbol.Contexts.begin();
// Match the remaining context names.
for (auto IdentiferContext = Names.rbegin() + 1;
IdentiferContext != Names.rend() &&
SymbolContext != Symbol.Contexts.end();
++IdentiferContext, ++SymbolContext) {
if (SymbolContext->second != *IdentiferContext) {
IsMatched = false;
break;
}
}
if (IsMatched) {
Results.push_back("\"" + Symbol.FilePath + "\"");
}
}
}
return Results;
}
} // namespace include_fixer
} // namespace clang
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