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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2025 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import SWBUtil
final public class ClangStatCacheSpec: GenericCommandLineToolSpec, SpecIdentifierType, @unchecked Sendable {
public static let identifier = "com.apple.compilers.clang-stat-cache"
override public var enableSandboxing: Bool {
return false
}
override public func constructTasks(_ cbc: CommandBuildContext, _ delegate: any TaskGenerationDelegate) async {
await delegate.createTask(type: self,
ruleInfo: defaultRuleInfo(cbc, delegate),
commandLine: commandLineFromTemplate(cbc, delegate, optionContext: discoveredCommandLineToolSpecInfo(cbc.producer, cbc.scope, delegate)).map(\.asString),
environment: environmentFromSpec(cbc, delegate),
workingDirectory: cbc.producer.defaultWorkingDirectory,
// We intentionally specify no inputs because clang-stat-cache always runs uses FSEvents to optimize invalidation so llbuild doesn't need to stat the entire SDK on every build.
inputs: [],
outputs: [delegate.createNode(cbc.output), delegate.createVirtualNode("ClangStatCache \(cbc.output.str)")],
action: nil,
execDescription: resolveExecutionDescription(cbc, delegate),
preparesForIndexing: true,
enableSandboxing: enableSandboxing,
alwaysExecuteTask: true)
}
}
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