6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
//===- 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_DEPENDENCYSCANNING_DEPENDENCYSCANNINGSERVICE_H
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#define LLVM_CLANG_TOOLING_DEPENDENCYSCANNING_DEPENDENCYSCANNINGSERVICE_H
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#include "clang/Tooling/DependencyScanning/DependencyScanningFilesystem.h"
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#include "llvm/ADT/BitmaskEnum.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 the 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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/// with special kind of lexing after scanning header and source files to get
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/// the minimum necessary preprocessor directives for evaluating includes.
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DependencyDirectivesScan,
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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 clang module dependency graph suitable for use for
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/// explicitly building modules.
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Full,
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/// This outputs the dependency graph for standard c++ modules in P1689R5
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/// format.
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P1689,
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};
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#define DSS_LAST_BITMASK_ENUM(Id) \
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LLVM_MARK_AS_BITMASK_ENUM(Id), All = llvm::NextPowerOf2(Id) - 1
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enum class ScanningOptimizations {
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None = 0,
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/// Remove unused header search paths including header maps.
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HeaderSearch = 1,
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/// Remove warnings from system modules.
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SystemWarnings = 2,
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/// Remove unused -ivfsoverlay arguments.
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VFS = 4,
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/// Canonicalize -D and -U options.
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Macros = 8,
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DSS_LAST_BITMASK_ENUM(Macros),
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Default = All
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};
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#undef DSS_LAST_BITMASK_ENUM
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/// The dependency scanning service contains shared configuration and state that
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/// is used by the individual dependency scanning workers.
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class DependencyScanningService {
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public:
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DependencyScanningService(
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ScanningMode Mode, ScanningOutputFormat Format,
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ScanningOptimizations OptimizeArgs = ScanningOptimizations::Default,
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bool EagerLoadModules = false);
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ScanningMode getMode() const { return Mode; }
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ScanningOutputFormat getFormat() const { return Format; }
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ScanningOptimizations getOptimizeArgs() const { return OptimizeArgs; }
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bool shouldEagerLoadModules() const { return EagerLoadModules; }
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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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/// Whether to optimize the modules' command-line arguments.
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const ScanningOptimizations OptimizeArgs;
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/// Whether to set up command-lines to load PCM files eagerly.
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const bool EagerLoadModules;
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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_DEPENDENCYSCANNING_DEPENDENCYSCANNINGSERVICE_H
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