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Compute the hash of all interface tokens when parsing; write the interface hash to the swiftdeps file, or if the -dump-interface-hash option is passed to the frontend. This hash will be used in incremental mode to determine whether a file's interface has changed, and therefore whether dependent files need to be rebuilt in response to the change. Committed on ChrisW's behalf while he gets his setup unborked. rdar://problem/15352929 Swift SVN r30477
91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
//===--- FrontendOptions.cpp ----------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Frontend/FrontendOptions.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace swift;
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bool FrontendOptions::actionHasOutput() const {
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switch (RequestedAction) {
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case NoneAction:
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case Parse:
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case DumpParse:
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case DumpAST:
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case DumpInterfaceHash:
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case PrintAST:
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case DumpTypeRefinementContexts:
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return false;
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case EmitSILGen:
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case EmitSIL:
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case EmitSIBGen:
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case EmitSIB:
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case EmitModuleOnly:
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return true;
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case Immediate:
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case REPL:
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return false;
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case EmitAssembly:
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case EmitIR:
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case EmitBC:
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case EmitObject:
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return true;
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}
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llvm_unreachable("Unknown ActionType");
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}
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bool FrontendOptions::actionIsImmediate() const {
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switch (RequestedAction) {
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case NoneAction:
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case Parse:
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case DumpParse:
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case DumpAST:
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case DumpInterfaceHash:
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case PrintAST:
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case DumpTypeRefinementContexts:
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case EmitSILGen:
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case EmitSIL:
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case EmitSIBGen:
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case EmitSIB:
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case EmitModuleOnly:
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return false;
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case Immediate:
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case REPL:
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return true;
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case EmitAssembly:
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case EmitIR:
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case EmitBC:
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case EmitObject:
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return false;
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}
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llvm_unreachable("Unknown ActionType");
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}
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void FrontendOptions::forAllOutputPaths(
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std::function<void(const std::string &)> fn) const {
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if (RequestedAction != FrontendOptions::EmitModuleOnly) {
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for (const std::string &OutputFileName : OutputFilenames) {
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fn(OutputFileName);
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}
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}
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const std::string *outputs[] = {
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&ModuleOutputPath,
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&ModuleDocOutputPath,
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&ObjCHeaderOutputPath
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};
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for (const std::string *next : outputs) {
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if (!next->empty())
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fn(*next);
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}
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}
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