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Previously, `SwiftASTManager` and `SlowRequestSimulator` maintained their own list of in-progress cancellation tokens. With code completion cancellation coming up, there would need to be yet another place to track in-progress requests, so let’s centralize it. While at it, also support cancelling requests before they are scheduled, eliminating the need for a `sleep` in a test case. The current implementaiton leaks tiny amounts of memory if a request is cancelled after if finishes. I think this is fine because it is a pretty nieche case and the leaked memory is pretty small (a `std::map` entry pointing to a `std::function` + `bool`). Alternatively, we could require the client to always dispose of the cancellation token manually.
55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
//===--- Context.cpp ------------------------------------------------------===//
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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 - 2017 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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#include "SourceKit/Core/Context.h"
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#include "SourceKit/Core/LangSupport.h"
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#include "SourceKit/Core/NotificationCenter.h"
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using namespace SourceKit;
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GlobalConfig::Settings
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GlobalConfig::update(Optional<unsigned> CompletionMaxASTContextReuseCount,
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Optional<unsigned> CompletionCheckDependencyInterval) {
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llvm::sys::ScopedLock L(Mtx);
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if (CompletionMaxASTContextReuseCount.hasValue())
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State.CompletionOpts.MaxASTContextReuseCount =
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*CompletionMaxASTContextReuseCount;
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if (CompletionCheckDependencyInterval.hasValue())
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State.CompletionOpts.CheckDependencyInterval =
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*CompletionCheckDependencyInterval;
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return State;
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};
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GlobalConfig::Settings::CompletionOptions
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GlobalConfig::getCompletionOpts() const {
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llvm::sys::ScopedLock L(Mtx);
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return State.CompletionOpts;
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}
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SourceKit::Context::Context(
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StringRef RuntimeLibPath, StringRef DiagnosticDocumentationPath,
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llvm::function_ref<std::unique_ptr<LangSupport>(Context &)>
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LangSupportFactoryFn,
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bool shouldDispatchNotificationsOnMain)
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: RuntimeLibPath(RuntimeLibPath),
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DiagnosticDocumentationPath(DiagnosticDocumentationPath),
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NotificationCtr(
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new NotificationCenter(shouldDispatchNotificationsOnMain)),
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Config(new GlobalConfig()), ReqTracker(new RequestTracker()),
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SlowRequestSim(new SlowRequestSimulator(ReqTracker)) {
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// Should be called last after everything is initialized.
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SwiftLang = LangSupportFactoryFn(*this);
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}
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SourceKit::Context::~Context() {
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}
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