WebSVN – QNX 8.QNX8 LLVM/Clang compiler suite – Blame – //llvm-build/x86_64/include/clang/Tooling/DependencyScanning/DependencyScanningWorker.h

Rev	Author	Line No.	Line
14	pmbaty	1	//===- DependencyScanningWorker.h - clang-scan-deps worker ===---- C++ --===//
		2	//
		3	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
		4	// See https://llvm.org/LICENSE.txt for license information.
		5	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
		6	//
		7	//===----------------------------------------------------------------------===//
		8
		9	#ifndef LLVM_CLANG_TOOLING_DEPENDENCYSCANNING_DEPENDENCYSCANNINGWORKER_H
		10	#define LLVM_CLANG_TOOLING_DEPENDENCYSCANNING_DEPENDENCYSCANNINGWORKER_H
		11
		12	#include "clang/Basic/DiagnosticOptions.h"
		13	#include "clang/Basic/FileManager.h"
		14	#include "clang/Basic/LLVM.h"
		15	#include "clang/Frontend/PCHContainerOperations.h"
		16	#include "clang/Tooling/DependencyScanning/DependencyScanningService.h"
		17	#include "clang/Tooling/DependencyScanning/ModuleDepCollector.h"
		18	#include "llvm/Support/Error.h"
		19	#include "llvm/Support/FileSystem.h"
		20	#include <optional>
		21	#include <string>
		22
		23	namespace clang {
		24
		25	class DependencyOutputOptions;
		26
		27	namespace tooling {
		28	namespace dependencies {
		29
		30	class DependencyScanningWorkerFilesystem;
		31
		32	/// A command-line tool invocation that is part of building a TU.
		33	///
		34	/// \see FullDependencies::Commands.
		35	struct Command {
		36	std::string Executable;
		37	std::vector<std::string> Arguments;
		38	};
		39
		40	class DependencyConsumer {
		41	public:
		42	virtual ~DependencyConsumer() {}
		43
		44	virtual void handleProvidedAndRequiredStdCXXModules(
		45	std::optional<P1689ModuleInfo> Provided,
		46	std::vector<P1689ModuleInfo> Requires) {}
		47
		48	virtual void handleBuildCommand(Command Cmd) {}
		49
		50	virtual void
		51	handleDependencyOutputOpts(const DependencyOutputOptions &Opts) = 0;
		52
		53	virtual void handleFileDependency(StringRef Filename) = 0;
		54
		55	virtual void handlePrebuiltModuleDependency(PrebuiltModuleDep PMD) = 0;
		56
		57	virtual void handleModuleDependency(ModuleDeps MD) = 0;
		58
		59	virtual void handleContextHash(std::string Hash) = 0;
		60
		61	virtual std::string lookupModuleOutput(const ModuleID &ID,
		62	ModuleOutputKind Kind) = 0;
		63	};
		64
		65	/// An individual dependency scanning worker that is able to run on its own
		66	/// thread.
		67	///
		68	/// The worker computes the dependencies for the input files by preprocessing
		69	/// sources either using a fast mode where the source files are minimized, or
		70	/// using the regular processing run.
		71	class DependencyScanningWorker {
		72	public:
		73	DependencyScanningWorker(DependencyScanningService &Service,
		74	llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS);
		75
		76	/// Run the dependency scanning tool for a given clang driver command-line,
		77	/// and report the discovered dependencies to the provided consumer. If \p
		78	/// ModuleName isn't empty, this function reports the dependencies of module
		79	/// \p ModuleName.
		80	///
		81	/// \returns false if clang errors occurred (with diagnostics reported to
		82	/// \c DiagConsumer), true otherwise.
		83	bool computeDependencies(StringRef WorkingDirectory,
		84	const std::vector<std::string> &CommandLine,
		85	DependencyConsumer &DepConsumer,
		86	DiagnosticConsumer &DiagConsumer,
		87	std::optional<StringRef> ModuleName = std::nullopt);
		88	/// \returns A \c StringError with the diagnostic output if clang errors
		89	/// occurred, success otherwise.
		90	llvm::Error
		91	computeDependencies(StringRef WorkingDirectory,
		92	const std::vector<std::string> &CommandLine,
		93	DependencyConsumer &Consumer,
		94	std::optional<StringRef> ModuleName = std::nullopt);
		95
		96	bool shouldEagerLoadModules() const { return EagerLoadModules; }
		97
		98	private:
		99	std::shared_ptr<PCHContainerOperations> PCHContainerOps;
		100	/// The file system to be used during the scan.
		101	/// This is either \c FS passed in the constructor (when performing canonical
		102	/// preprocessing), or \c DepFS (when performing dependency directives scan).
		103	llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> BaseFS;
		104	/// When performing dependency directives scan, this is the caching (and
		105	/// dependency-directives-extracting) filesystem overlaid on top of \c FS
		106	/// (passed in the constructor).
		107	llvm::IntrusiveRefCntPtr<DependencyScanningWorkerFilesystem> DepFS;
		108	ScanningOutputFormat Format;
		109	/// Whether to optimize the modules' command-line arguments.
		110	bool OptimizeArgs;
		111	/// Whether to set up command-lines to load PCM files eagerly.
		112	bool EagerLoadModules;
		113	};
		114
		115	} // end namespace dependencies
		116	} // end namespace tooling
		117	} // end namespace clang
		118
		119	#endif // LLVM_CLANG_TOOLING_DEPENDENCYSCANNING_DEPENDENCYSCANNINGWORKER_H

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QNX 8.QNX8 LLVM/Clang compiler suite//llvm-build/x86_64/include/clang/Tooling/DependencyScanning/DependencyScanningWorker.h – Rev 14