mirror of
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471 lines
14 KiB
C++
471 lines
14 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 - 2017 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 https://swift.org/LICENSE.txt for license information
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// See https://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 "swift/AST/DiagnosticsFrontend.h"
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#include "swift/Option/Options.h"
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#include "swift/Parse/Lexer.h"
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#include "swift/Strings.h"
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#include "llvm/Option/Arg.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Option/Option.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/LineIterator.h"
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#include "llvm/Support/Path.h"
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using namespace swift;
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using namespace llvm::opt;
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bool FrontendInputs::shouldTreatAsLLVM() const {
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if (haveUniqueInputFilename()) {
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StringRef Input(getFilenameOfFirstInput());
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return llvm::sys::path::extension(Input).endswith(LLVM_BC_EXTENSION) ||
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llvm::sys::path::extension(Input).endswith(LLVM_IR_EXTENSION);
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}
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return false;
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}
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bool FrontendInputs::shouldTreatAsSIL() const {
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if (haveUniqueInputFilename()) {
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// If we have exactly one input filename, and its extension is "sil",
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// treat the input as SIL.
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StringRef Input(getFilenameOfFirstInput());
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return llvm::sys::path::extension(Input).endswith(SIL_EXTENSION);
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}
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// If we have one primary input and it's a filename with extension "sil",
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// treat the input as SIL.
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if (const Optional<StringRef> filename =
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getOptionalUniquePrimaryInputFilename()) {
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return llvm::sys::path::extension(filename.getValue())
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.endswith(SIL_EXTENSION);
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}
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return false;
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}
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bool FrontendInputs::verifyInputs(DiagnosticEngine &Diags, bool TreatAsSIL,
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bool isREPLRequested,
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bool isNoneRequested) const {
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if (isREPLRequested) {
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if (haveInputFilenames()) {
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Diags.diagnose(SourceLoc(), diag::error_repl_requires_no_input_files);
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return true;
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}
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} else if (TreatAsSIL && havePrimaryInputs()) {
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// If we have the SIL as our primary input, we can waive the one file
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// requirement as long as all the other inputs are SIBs.
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for (unsigned i = 0, e = inputFilenameCount(); i != e; ++i) {
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if (i == getOptionalUniquePrimaryInput()->Index)
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continue;
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StringRef File(getInputFilenames()[i]);
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if (!llvm::sys::path::extension(File).endswith(SIB_EXTENSION)) {
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Diags.diagnose(SourceLoc(),
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diag::error_mode_requires_one_sil_multi_sib);
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return true;
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}
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}
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} else if (TreatAsSIL) {
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if (!haveUniqueInputFilename()) {
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Diags.diagnose(SourceLoc(), diag::error_mode_requires_one_input_file);
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return true;
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}
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} else if (!isNoneRequested) {
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if (!haveInputFilenames()) {
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Diags.diagnose(SourceLoc(), diag::error_mode_requires_an_input_file);
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return true;
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}
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}
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return false;
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}
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void FrontendInputs::transformInputFilenames(
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const llvm::function_ref<std::string(std::string)> &fn) {
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for (auto &InputFile : InputFilenames) {
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InputFile = fn(InputFile);
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}
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}
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bool FrontendOptions::actionHasOutput() const {
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switch (RequestedAction) {
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case ActionType::NoneAction:
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case ActionType::Parse:
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case ActionType::Typecheck:
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case ActionType::DumpParse:
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case ActionType::DumpAST:
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case ActionType::EmitSyntax:
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case ActionType::DumpInterfaceHash:
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case ActionType::PrintAST:
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case ActionType::DumpScopeMaps:
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case ActionType::DumpTypeRefinementContexts:
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return false;
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case ActionType::EmitPCH:
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case ActionType::EmitSILGen:
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case ActionType::EmitSIL:
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case ActionType::EmitSIBGen:
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case ActionType::EmitSIB:
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case ActionType::EmitModuleOnly:
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case ActionType::MergeModules:
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return true;
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case ActionType::Immediate:
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case ActionType::REPL:
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return false;
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case ActionType::EmitAssembly:
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case ActionType::EmitIR:
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case ActionType::EmitBC:
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case ActionType::EmitObject:
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case ActionType::EmitImportedModules:
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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 ActionType::NoneAction:
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case ActionType::Parse:
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case ActionType::Typecheck:
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case ActionType::DumpParse:
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case ActionType::DumpAST:
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case ActionType::EmitSyntax:
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case ActionType::DumpInterfaceHash:
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case ActionType::PrintAST:
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case ActionType::DumpScopeMaps:
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case ActionType::DumpTypeRefinementContexts:
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case ActionType::EmitPCH:
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case ActionType::EmitSILGen:
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case ActionType::EmitSIL:
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case ActionType::EmitSIBGen:
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case ActionType::EmitSIB:
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case ActionType::EmitModuleOnly:
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case ActionType::MergeModules:
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return false;
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case ActionType::Immediate:
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case ActionType::REPL:
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return true;
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case ActionType::EmitAssembly:
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case ActionType::EmitIR:
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case ActionType::EmitBC:
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case ActionType::EmitObject:
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case ActionType::EmitImportedModules:
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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::ActionType::EmitModuleOnly &&
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RequestedAction != FrontendOptions::ActionType::MergeModules) {
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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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StringRef FrontendOptions::originalPath() const {
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if (haveNamedOutputFile())
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// Put the serialized diagnostics file next to the output file.
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return getSingleOutputFilename();
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StringRef fn = Inputs.primaryInputFilenameIfAny();
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// If we have a primary input, so use that as the basis for the name of the
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// serialized diagnostics file, otherwise fall back on the
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// module name.
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return !fn.empty() ? llvm::sys::path::filename(fn) : StringRef(ModuleName);
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}
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bool FrontendOptions::isOutputFileDirectory() const {
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return haveNamedOutputFile() &&
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llvm::sys::fs::is_directory(getSingleOutputFilename());
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}
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const char *
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FrontendOptions::suffixForPrincipalOutputFileForAction(ActionType action) {
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switch (action) {
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case ActionType::NoneAction:
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return nullptr;
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case ActionType::Parse:
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case ActionType::Typecheck:
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case ActionType::DumpParse:
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case ActionType::DumpInterfaceHash:
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case ActionType::DumpAST:
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case ActionType::EmitSyntax:
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case ActionType::PrintAST:
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case ActionType::DumpScopeMaps:
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case ActionType::DumpTypeRefinementContexts:
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return nullptr;
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case ActionType::EmitPCH:
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return PCH_EXTENSION;
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case ActionType::EmitSILGen:
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case ActionType::EmitSIL:
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return SIL_EXTENSION;
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case ActionType::EmitSIBGen:
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case ActionType::EmitSIB:
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return SIB_EXTENSION;
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case ActionType::MergeModules:
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case ActionType::EmitModuleOnly:
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return SERIALIZED_MODULE_EXTENSION;
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case ActionType::Immediate:
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case ActionType::REPL:
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// These modes have no frontend-generated output.
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return nullptr;
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case ActionType::EmitAssembly:
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return "s";
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case ActionType::EmitIR:
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return "ll";
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case ActionType::EmitBC:
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return "bc";
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case ActionType::EmitObject:
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return "o";
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case ActionType::EmitImportedModules:
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return "importedmodules";
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}
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}
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bool FrontendOptions::hasUnusedDependenciesFilePath() const {
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return !DependenciesFilePath.empty() &&
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!canActionEmitDependencies(RequestedAction);
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}
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bool FrontendOptions::canActionEmitDependencies(ActionType action) {
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switch (action) {
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case ActionType::NoneAction:
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case ActionType::DumpParse:
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case ActionType::DumpInterfaceHash:
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case ActionType::DumpAST:
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case ActionType::EmitSyntax:
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case ActionType::PrintAST:
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case ActionType::DumpScopeMaps:
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case ActionType::DumpTypeRefinementContexts:
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case ActionType::Immediate:
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case ActionType::REPL:
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return false;
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case ActionType::Parse:
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case ActionType::Typecheck:
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case ActionType::MergeModules:
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case ActionType::EmitModuleOnly:
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case ActionType::EmitPCH:
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case ActionType::EmitSILGen:
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case ActionType::EmitSIL:
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case ActionType::EmitSIBGen:
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case ActionType::EmitSIB:
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case ActionType::EmitIR:
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case ActionType::EmitBC:
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case ActionType::EmitAssembly:
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case ActionType::EmitObject:
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case ActionType::EmitImportedModules:
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return true;
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}
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}
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bool FrontendOptions::hasUnusedObjCHeaderOutputPath() const {
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return !ObjCHeaderOutputPath.empty() && !canActionEmitHeader(RequestedAction);
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}
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bool FrontendOptions::canActionEmitHeader(ActionType action) {
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switch (action) {
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case ActionType::NoneAction:
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case ActionType::DumpParse:
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case ActionType::DumpInterfaceHash:
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case ActionType::DumpAST:
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case ActionType::EmitSyntax:
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case ActionType::PrintAST:
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case ActionType::EmitPCH:
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case ActionType::DumpScopeMaps:
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case ActionType::DumpTypeRefinementContexts:
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case ActionType::Immediate:
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case ActionType::REPL:
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return false;
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case ActionType::Parse:
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case ActionType::Typecheck:
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case ActionType::MergeModules:
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case ActionType::EmitModuleOnly:
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case ActionType::EmitSILGen:
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case ActionType::EmitSIL:
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case ActionType::EmitSIBGen:
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case ActionType::EmitSIB:
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case ActionType::EmitIR:
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case ActionType::EmitBC:
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case ActionType::EmitAssembly:
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case ActionType::EmitObject:
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case ActionType::EmitImportedModules:
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return true;
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}
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}
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bool FrontendOptions::hasUnusedLoadedModuleTracePath() const {
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return !LoadedModuleTracePath.empty() &&
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!canActionEmitLoadedModuleTrace(RequestedAction);
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}
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bool FrontendOptions::canActionEmitLoadedModuleTrace(ActionType action) {
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switch (action) {
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case ActionType::NoneAction:
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case ActionType::Parse:
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case ActionType::DumpParse:
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case ActionType::DumpInterfaceHash:
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case ActionType::DumpAST:
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case ActionType::EmitSyntax:
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case ActionType::PrintAST:
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case ActionType::DumpScopeMaps:
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case ActionType::DumpTypeRefinementContexts:
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case ActionType::Immediate:
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case ActionType::REPL:
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return false;
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case ActionType::Typecheck:
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case ActionType::MergeModules:
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case ActionType::EmitModuleOnly:
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case ActionType::EmitPCH:
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case ActionType::EmitSILGen:
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case ActionType::EmitSIL:
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case ActionType::EmitSIBGen:
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case ActionType::EmitSIB:
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case ActionType::EmitIR:
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case ActionType::EmitBC:
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case ActionType::EmitAssembly:
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case ActionType::EmitObject:
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case ActionType::EmitImportedModules:
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return true;
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}
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}
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bool FrontendOptions::hasUnusedModuleOutputPath() const {
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return !ModuleOutputPath.empty() && !canActionEmitModule(RequestedAction);
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}
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bool FrontendOptions::hasUnusedModuleDocOutputPath() const {
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return !ModuleDocOutputPath.empty() && !canActionEmitModule(RequestedAction);
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}
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bool FrontendOptions::canActionEmitModule(ActionType action) {
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switch (action) {
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case ActionType::NoneAction:
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case ActionType::Parse:
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case ActionType::Typecheck:
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case ActionType::DumpParse:
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case ActionType::DumpInterfaceHash:
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case ActionType::DumpAST:
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case ActionType::EmitSyntax:
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case ActionType::PrintAST:
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case ActionType::EmitPCH:
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case ActionType::DumpScopeMaps:
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case ActionType::DumpTypeRefinementContexts:
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case ActionType::EmitSILGen:
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case ActionType::Immediate:
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case ActionType::REPL:
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return false;
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case ActionType::MergeModules:
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case ActionType::EmitModuleOnly:
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case ActionType::EmitSIL:
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case ActionType::EmitSIBGen:
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case ActionType::EmitSIB:
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case ActionType::EmitIR:
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case ActionType::EmitBC:
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case ActionType::EmitAssembly:
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case ActionType::EmitObject:
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case ActionType::EmitImportedModules:
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return true;
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}
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}
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bool FrontendOptions::canActionEmitModuleDoc(ActionType action) {
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return canActionEmitModule(action);
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}
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bool FrontendOptions::doesActionProduceOutput(ActionType action) {
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switch (action) {
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case ActionType::NoneAction:
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case ActionType::EmitPCH:
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case ActionType::EmitSIBGen:
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case ActionType::EmitSIB:
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case ActionType::MergeModules:
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case ActionType::EmitModuleOnly:
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case ActionType::EmitBC:
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case ActionType::EmitObject:
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case ActionType::Parse:
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case ActionType::Typecheck:
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case ActionType::DumpParse:
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case ActionType::DumpInterfaceHash:
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case ActionType::DumpAST:
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case ActionType::EmitSyntax:
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case ActionType::PrintAST:
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case ActionType::DumpScopeMaps:
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case ActionType::DumpTypeRefinementContexts:
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case ActionType::EmitImportedModules:
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case ActionType::EmitSILGen:
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case ActionType::EmitSIL:
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case ActionType::EmitAssembly:
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case ActionType::EmitIR:
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return true;
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case ActionType::Immediate:
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case ActionType::REPL:
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// These modes have no frontend-generated output.
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return false;
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}
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}
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bool FrontendOptions::doesActionProduceTextualOutput(ActionType action) {
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switch (action) {
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case ActionType::NoneAction:
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case ActionType::EmitPCH:
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case ActionType::EmitSIBGen:
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case ActionType::EmitSIB:
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case ActionType::MergeModules:
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case ActionType::EmitModuleOnly:
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case ActionType::EmitBC:
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case ActionType::EmitObject:
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case ActionType::Immediate:
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case ActionType::REPL:
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return false;
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case ActionType::Parse:
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case ActionType::Typecheck:
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case ActionType::DumpParse:
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case ActionType::DumpInterfaceHash:
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case ActionType::DumpAST:
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case ActionType::EmitSyntax:
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case ActionType::PrintAST:
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case ActionType::DumpScopeMaps:
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case ActionType::DumpTypeRefinementContexts:
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case ActionType::EmitImportedModules:
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case ActionType::EmitSILGen:
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case ActionType::EmitSIL:
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case ActionType::EmitAssembly:
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case ActionType::EmitIR:
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return true;
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}
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}
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