66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
//===--- GlobalCompilationDatabase.cpp --------------------------*- 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 "GlobalCompilationDatabase.h"
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#include "clang/Tooling/CompilationDatabase.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Path.h"
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using namespace clang::clangd;
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using namespace clang;
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std::vector<tooling::CompileCommand>
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DirectoryBasedGlobalCompilationDatabase::getCompileCommands(PathRef File) {
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std::vector<tooling::CompileCommand> Commands;
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auto CDB = getCompilationDatabase(File);
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if (!CDB)
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return {};
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return CDB->getCompileCommands(File);
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}
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tooling::CompilationDatabase *
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DirectoryBasedGlobalCompilationDatabase::getCompilationDatabase(PathRef File) {
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std::lock_guard<std::mutex> Lock(Mutex);
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namespace path = llvm::sys::path;
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assert((path::is_absolute(File, path::Style::posix) ||
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path::is_absolute(File, path::Style::windows)) &&
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"path must be absolute");
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for (auto Path = path::parent_path(File); !Path.empty();
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Path = path::parent_path(Path)) {
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auto CachedIt = CompilationDatabases.find(Path);
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if (CachedIt != CompilationDatabases.end())
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return CachedIt->second.get();
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std::string Error;
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auto CDB = tooling::CompilationDatabase::loadFromDirectory(Path, Error);
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if (!CDB) {
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if (!Error.empty()) {
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// FIXME(ibiryukov): logging
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// Output.log("Error when trying to load compilation database from " +
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// Twine(Path) + ": " + Twine(Error) + "\n");
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}
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continue;
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}
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// FIXME(ibiryukov): Invalidate cached compilation databases on changes
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auto result = CDB.get();
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CompilationDatabases.insert(std::make_pair(Path, std::move(CDB)));
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return result;
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}
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// FIXME(ibiryukov): logging
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// Output.log("Failed to find compilation database for " + Twine(File) +
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// "\n");
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return nullptr;
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}
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