Coverage Report

Created: 2020-02-15 09:57

/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/include/clang/Tooling/DependencyScanning/DependencyScanningService.h
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//===- DependencyScanningService.h - clang-scan-deps service ===-*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLING_DEPENDENCY_SCANNING_SERVICE_H
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#define LLVM_CLANG_TOOLING_DEPENDENCY_SCANNING_SERVICE_H
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#include "clang/Tooling/DependencyScanning/DependencyScanningFilesystem.h"
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namespace clang {
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namespace tooling {
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namespace dependencies {
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/// The mode in which the dependency scanner will operate to find the
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/// dependencies.
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enum class ScanningMode {
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  /// This mode is used to compute the dependencies by running the preprocessor
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  /// over
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  /// the unmodified source files.
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  CanonicalPreprocessing,
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  /// This mode is used to compute the dependencies by running the preprocessor
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  /// over
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  /// the source files that have been minimized to contents that might affect
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  /// the dependencies.
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  MinimizedSourcePreprocessing
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};
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/// The format that is output by the dependency scanner.
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enum class ScanningOutputFormat {
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  /// This is the Makefile compatible dep format. This will include all of the
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  /// deps necessary for an implicit modules build, but won't include any
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  /// intermodule dependency information.
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  Make,
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  /// This outputs the full module dependency graph suitable for use for
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  /// explicitly building modules.
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  Full,
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};
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/// The dependency scanning service contains the shared state that is used by
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/// the invidual dependency scanning workers.
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class DependencyScanningService {
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public:
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  DependencyScanningService(ScanningMode Mode, ScanningOutputFormat Format,
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                            bool ReuseFileManager = true,
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                            bool SkipExcludedPPRanges = true);
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  ScanningMode getMode() const { return Mode; }
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  ScanningOutputFormat getFormat() const { return Format; }
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  bool canReuseFileManager() const { return ReuseFileManager; }
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  bool canSkipExcludedPPRanges() const { return SkipExcludedPPRanges; }
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  DependencyScanningFilesystemSharedCache &getSharedCache() {
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    return SharedCache;
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  }
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private:
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  const ScanningMode Mode;
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  const ScanningOutputFormat Format;
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  const bool ReuseFileManager;
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  /// Set to true to use the preprocessor optimization that skips excluded PP
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  /// ranges by bumping the buffer pointer in the lexer instead of lexing the
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  /// tokens in the range until reaching the corresponding directive.
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  const bool SkipExcludedPPRanges;
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  /// The global file system cache.
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  DependencyScanningFilesystemSharedCache SharedCache;
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};
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} // end namespace dependencies
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} // end namespace tooling
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} // end namespace clang
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#endif // LLVM_CLANG_TOOLING_DEPENDENCY_SCANNING_SERVICE_H