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//===--- CompileArgsCache.cpp --------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===---------------------------------------------------------------------===//
#include "CompileArgsCache.h"
namespace clang {
namespace clangd {
namespace {
tooling::CompileCommand getCompileCommand(GlobalCompilationDatabase &CDB,
PathRef File, PathRef ResourceDir) {
llvm::Optional<tooling::CompileCommand> C = CDB.getCompileCommand(File);
if (!C) // FIXME: Suppress diagnostics? Let the user know?
C = CDB.getFallbackCommand(File);
// Inject the resource dir.
// FIXME: Don't overwrite it if it's already there.
C->CommandLine.push_back("-resource-dir=" + ResourceDir.str());
return std::move(*C);
}
} // namespace
CompileArgsCache::CompileArgsCache(GlobalCompilationDatabase &CDB,
Path ResourceDir)
: CDB(CDB), ResourceDir(std::move(ResourceDir)) {}
tooling::CompileCommand CompileArgsCache::getCompileCommand(PathRef File) {
auto It = Cached.find(File);
if (It == Cached.end()) {
It = Cached.insert({File, clangd::getCompileCommand(CDB, File, ResourceDir)})
.first;
}
return It->second;
}
void CompileArgsCache::invalidate(PathRef File) { Cached.erase(File); }
} // namespace clangd
} // namespace clang
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