mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
c82048559a
This change introduces a thread-safe version of the 'SerializedDiagnosticConsumer' and refactors scanning compilation instance creation code to ensure this consumer gets added when the scanner query configuration command-line includes '-serialized-diagnostics-path' option.
111 lines
4.3 KiB
C++
111 lines
4.3 KiB
C++
//===--- ScanDependencies.h -- Scans the dependencies of a module ------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See https://swift.org/LICENSE.txt for license information
|
|
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef SWIFT_DEPENDENCY_SCANDEPENDENCIES_H
|
|
#define SWIFT_DEPENDENCY_SCANDEPENDENCIES_H
|
|
|
|
#include "swift-c/DependencyScan/DependencyScan.h"
|
|
#include "swift/AST/DiagnosticEngine.h"
|
|
#include "llvm/ADT/StringMap.h"
|
|
#include "llvm/Support/Chrono.h"
|
|
#include "llvm/Support/ErrorOr.h"
|
|
#include <unordered_set>
|
|
|
|
namespace llvm {
|
|
class StringSaver;
|
|
namespace cas {
|
|
class ObjectStore;
|
|
} // namespace cas
|
|
namespace vfs {
|
|
class FileSystem;
|
|
} // namespace vfs
|
|
} // namespace llvm
|
|
|
|
namespace swift {
|
|
|
|
class CompilerInvocation;
|
|
class CompilerInstance;
|
|
class DiagnosticEngine;
|
|
class ModuleDependenciesCache;
|
|
struct ModuleDependencyID;
|
|
struct ModuleDependencyIDHash;
|
|
using ModuleDependencyIDSet =
|
|
std::unordered_set<ModuleDependencyID, ModuleDependencyIDHash>;
|
|
class SwiftDependencyScanningService;
|
|
|
|
namespace dependencies {
|
|
struct ScanQueryContext;
|
|
|
|
using CompilerArgInstanceCacheMap =
|
|
llvm::StringMap<std::tuple<std::unique_ptr<CompilerInstance>,
|
|
std::unique_ptr<SwiftDependencyScanningService>,
|
|
std::unique_ptr<ModuleDependenciesCache>>>;
|
|
|
|
// MARK: FrontendTool dependency scanner entry points
|
|
/// Scans the dependencies of the main module of \c instance and writes out
|
|
/// the resulting JSON according to the instance's output parameters.
|
|
bool scanDependencies(CompilerInstance &instance);
|
|
|
|
/// Identify all imports in the translation unit's module.
|
|
bool prescanDependencies(CompilerInstance &instance);
|
|
|
|
// MARK: Dependency scanning execution
|
|
/// Scans the dependencies of the main module of \c instance.
|
|
llvm::ErrorOr<swiftscan_dependency_graph_t>
|
|
performModuleScan(SwiftDependencyScanningService &service,
|
|
ModuleDependenciesCache &cache,
|
|
ScanQueryContext &queryContext);
|
|
|
|
/// Scans the main module of \c instance for all direct module imports
|
|
llvm::ErrorOr<swiftscan_import_set_t>
|
|
performModulePrescan(SwiftDependencyScanningService &service,
|
|
ModuleDependenciesCache &cache,
|
|
ScanQueryContext &queryContext);
|
|
|
|
|
|
namespace incremental {
|
|
/// For the given module dependency graph captured in the 'cache',
|
|
/// validate whether each dependency node is up-to-date w.r.t. serialization
|
|
/// time-stamp. i.e. if any of the input files of a module dependency are newer
|
|
/// than the serialized dependency graph, it is considered invalidated and must
|
|
/// be re-scanned.
|
|
void validateInterModuleDependenciesCache(
|
|
const ModuleDependencyID &rootModuleID, ModuleDependenciesCache &cache,
|
|
std::shared_ptr<llvm::cas::ObjectStore> cas,
|
|
const llvm::sys::TimePoint<> &cacheTimeStamp, llvm::vfs::FileSystem &fs,
|
|
DiagnosticEngine &diags, bool emitRemarks = false);
|
|
|
|
/// Perform a postorder DFS to locate modules whose build recipe is out-of-date
|
|
/// with respect to their inputs. Upon encountering such a module, add it to the
|
|
/// set of invalidated modules, along with the path from the root to this
|
|
/// module.
|
|
void outOfDateModuleScan(const ModuleDependencyID &sourceModuleID,
|
|
const ModuleDependenciesCache &cache,
|
|
std::shared_ptr<llvm::cas::ObjectStore> cas,
|
|
const llvm::sys::TimePoint<> &cacheTimeStamp,
|
|
llvm::vfs::FileSystem &fs, DiagnosticEngine &diags,
|
|
bool emitRemarks, ModuleDependencyIDSet &visited,
|
|
ModuleDependencyIDSet &modulesRequiringRescan);
|
|
|
|
/// Validate whether all inputs of a given module dependency
|
|
/// are older than the cache serialization time.
|
|
bool verifyModuleDependencyUpToDate(
|
|
const ModuleDependencyID &moduleID, const ModuleDependenciesCache &cache,
|
|
std::shared_ptr<llvm::cas::ObjectStore> cas,
|
|
const llvm::sys::TimePoint<> &cacheTimeStamp, llvm::vfs::FileSystem &fs,
|
|
DiagnosticEngine &diags, bool emitRemarks);
|
|
} // end namespace incremental
|
|
} // end namespace dependencies
|
|
} // end namespace swift
|
|
|
|
#endif
|