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8e68fab034
This reverts commit 4f059033bb. The change
is actually not NFC since previously, there is a cache in the
CompilerInvocation that prevents the same CAS from the same CASOptions
from being initialized multiple times, which was relied upon when
running inside sub invocation. When switching to a non-caching simple
CASOption types, it causes every single sub instance will create its own
CAS, and it can consume too many file descriptors and causing errors
during dependency scanning.
rdar://164903080
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
//===--- CASOptions.cpp - CAS & caching options ---------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the CASOptions class, which provides various
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// CAS and caching flags.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Basic/CASOptions.h"
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using namespace swift;
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void CASOptions::enumerateCASConfigurationFlags(
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llvm::function_ref<void(llvm::StringRef)> Callback) const {
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if (EnableCaching) {
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Callback("-cache-compile-job");
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if (!CASOpts.CASPath.empty()) {
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Callback("-cas-path");
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Callback(CASOpts.CASPath);
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}
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if (!CASOpts.PluginPath.empty()) {
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Callback("-cas-plugin-path");
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Callback(CASOpts.PluginPath);
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for (auto Opt : CASOpts.PluginOptions) {
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Callback("-cas-plugin-option");
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Callback((llvm::Twine(Opt.first) + "=" + Opt.second).str());
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}
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}
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}
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}
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