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//===- DependencyScanner.h - Performs module dependency scanning *- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLING_DEPENDENCYSCANNING_DEPENDENCYSCANNER_H
#define LLVM_CLANG_TOOLING_DEPENDENCYSCANNING_DEPENDENCYSCANNER_H
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Serialization/ObjectFilePCHContainerReader.h"
#include "clang/Tooling/DependencyScanning/DependencyScanningFilesystem.h"
#include "clang/Tooling/DependencyScanning/ModuleDepCollector.h"
namespace clang {
class DiagnosticConsumer;
namespace tooling {
namespace dependencies {
class DependencyScanningService;
class DependencyConsumer;
class DependencyActionController;
class DependencyScanningWorkerFilesystem;
class DependencyScanningAction {
public:
DependencyScanningAction(
DependencyScanningService &Service, StringRef WorkingDirectory,
DependencyConsumer &Consumer, DependencyActionController &Controller,
llvm::IntrusiveRefCntPtr<DependencyScanningWorkerFilesystem> DepFS,
std::optional<StringRef> ModuleName = std::nullopt)
: Service(Service), WorkingDirectory(WorkingDirectory),
Consumer(Consumer), Controller(Controller), DepFS(std::move(DepFS)),
ModuleName(ModuleName) {}
bool runInvocation(std::shared_ptr<CompilerInvocation> Invocation,
IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS,
std::shared_ptr<PCHContainerOperations> PCHContainerOps,
DiagnosticConsumer *DiagConsumer);
bool hasScanned() const { return Scanned; }
bool hasDiagConsumerFinished() const { return DiagConsumerFinished; }
/// Take the cc1 arguments corresponding to the most recent invocation used
/// with this action. Any modifications implied by the discovered dependencies
/// will have already been applied.
std::vector<std::string> takeLastCC1Arguments() {
std::vector<std::string> Result;
std::swap(Result, LastCC1Arguments); // Reset LastCC1Arguments to empty.
return Result;
}
private:
void setLastCC1Arguments(CompilerInvocation &&CI) {
if (MDC)
MDC->applyDiscoveredDependencies(CI);
LastCC1Arguments = CI.getCC1CommandLine();
}
DependencyScanningService &Service;
StringRef WorkingDirectory;
DependencyConsumer &Consumer;
DependencyActionController &Controller;
llvm::IntrusiveRefCntPtr<DependencyScanningWorkerFilesystem> DepFS;
std::optional<StringRef> ModuleName;
std::optional<CompilerInstance> ScanInstanceStorage;
std::shared_ptr<ModuleDepCollector> MDC;
std::vector<std::string> LastCC1Arguments;
bool Scanned = false;
bool DiagConsumerFinished = false;
};
// Helper functions
void sanitizeDiagOpts(DiagnosticOptions &DiagOpts);
} // namespace dependencies
} // namespace tooling
} // namespace clang
#endif
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