mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
9ecb17acc2
Systematically declare CacheInvariant options in TableGen file instead of putting a list in the cache key computation function.
98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
//===--- CompileJobCacheKey.cpp - compile cache key methods ---------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See https://swift.org/LICENSE.txt for license information
|
|
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains utility methods for creating compile job cache keys.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "swift/Option/Options.h"
|
|
#include <swift/Frontend/CompileJobCacheKey.h>
|
|
#include <swift/Basic/Version.h>
|
|
#include <llvm/ADT/SmallString.h>
|
|
#include "llvm/ADT/STLExtras.h"
|
|
#include "llvm/CAS/HierarchicalTreeBuilder.h"
|
|
#include "llvm/CAS/ObjectStore.h"
|
|
#include "llvm/Option/ArgList.h"
|
|
#include "llvm/Option/OptTable.h"
|
|
#include "llvm/Support/Error.h"
|
|
#include "llvm/Support/MemoryBuffer.h"
|
|
|
|
using namespace swift;
|
|
|
|
// TODO: Rewrite this into CASNodeSchema.
|
|
llvm::Expected<llvm::cas::ObjectRef> swift::createCompileJobBaseCacheKey(
|
|
llvm::cas::ObjectStore &CAS, ArrayRef<const char *> Args) {
|
|
// Don't count the `-frontend` in the first location since only frontend
|
|
// invocation can have a cache key.
|
|
if (Args.size() > 1 && StringRef(Args.front()) == "-frontend")
|
|
Args = Args.drop_front();
|
|
|
|
unsigned MissingIndex;
|
|
unsigned MissingCount;
|
|
std::unique_ptr<llvm::opt::OptTable> Table = createSwiftOptTable();
|
|
llvm::opt::InputArgList ParsedArgs = Table->ParseArgs(
|
|
Args, MissingIndex, MissingCount, options::FrontendOption);
|
|
|
|
SmallString<256> CommandLine;
|
|
for (auto *Arg : ParsedArgs) {
|
|
const auto &Opt = Arg->getOption();
|
|
|
|
// Skip the options that doesn't affect caching.
|
|
if (Opt.hasFlag(options::CacheInvariant))
|
|
continue;
|
|
|
|
if (Opt.hasFlag(options::ArgumentIsFileList)) {
|
|
auto FileList = llvm::MemoryBuffer::getFile(Arg->getValue());
|
|
if (!FileList)
|
|
return llvm::errorCodeToError(FileList.getError());
|
|
CommandLine.append(Opt.getRenderName());
|
|
CommandLine.push_back(0);
|
|
CommandLine.append((*FileList)->getBuffer());
|
|
CommandLine.push_back(0);
|
|
continue;
|
|
}
|
|
|
|
CommandLine.append(Arg->getAsString(ParsedArgs));
|
|
CommandLine.push_back(0);
|
|
}
|
|
|
|
llvm::cas::HierarchicalTreeBuilder Builder;
|
|
auto CMD = CAS.storeFromString(llvm::None, CommandLine);
|
|
if (!CMD)
|
|
return CMD.takeError();
|
|
Builder.push(*CMD, llvm::cas::TreeEntry::Regular, "command-line");
|
|
|
|
// FIXME: The version is maybe insufficient...
|
|
auto Version =
|
|
CAS.storeFromString(llvm::None, version::getSwiftFullVersion());
|
|
if (!Version)
|
|
return Version.takeError();
|
|
Builder.push(*Version, llvm::cas::TreeEntry::Regular, "version");
|
|
|
|
if (auto Out = Builder.create(CAS))
|
|
return Out->getRef();
|
|
else
|
|
return Out.takeError();
|
|
}
|
|
|
|
llvm::Expected<llvm::cas::ObjectRef> swift::createCompileJobCacheKeyForOutput(
|
|
llvm::cas::ObjectStore &CAS, llvm::cas::ObjectRef BaseKey,
|
|
StringRef ProducingInput, file_types::ID OutputType) {
|
|
SmallString<256> OutputInfo;
|
|
|
|
// Encode the OutputType as first byte, then append the input file path.
|
|
OutputInfo.emplace_back((char)OutputType);
|
|
OutputInfo.append(ProducingInput);
|
|
|
|
return CAS.storeFromString({BaseKey}, OutputInfo);
|
|
}
|