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133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
//===--- FrontendInputs.h ---------------------------------------*- C++ -*-===//
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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 - 2018 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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#ifndef SWIFT_FRONTEND_FRONTENDINPUTS_H
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#define SWIFT_FRONTEND_FRONTENDINPUTS_H
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#include "swift/AST/Module.h"
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#include "swift/Frontend/InputFile.h"
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#include "llvm/ADT/Hashing.h"
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#include "llvm/ADT/MapVector.h"
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#include <string>
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#include <vector>
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namespace llvm {
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class MemoryBuffer;
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}
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namespace swift {
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/// Information about all the inputs and outputs to the frontend.
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class FrontendInputsAndOutputs {
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friend class ArgsToFrontendInputsConverter;
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std::vector<InputFile> AllInputs;
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llvm::StringMap<unsigned> PrimaryInputs;
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public:
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FrontendInputsAndOutputs() = default;
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FrontendInputsAndOutputs(const FrontendInputsAndOutputs &other);
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FrontendInputsAndOutputs &operator=(const FrontendInputsAndOutputs &other);
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// Readers:
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// All inputs:
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ArrayRef<InputFile> getAllInputs() const { return AllInputs; }
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std::vector<std::string> getInputFilenames() const;
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unsigned inputCount() const { return AllInputs.size(); }
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bool hasInputs() const { return !AllInputs.empty(); }
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bool hasSingleInput() const { return inputCount() == 1; }
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const InputFile &firstInput() const { return AllInputs[0]; }
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InputFile &firstInput() { return AllInputs[0]; }
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const InputFile &lastInput() const { return AllInputs.back(); }
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StringRef getFilenameOfFirstInput() const;
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bool isReadingFromStdin() const;
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void forEachInput(llvm::function_ref<void(const InputFile &)> fn) const;
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// Primaries:
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const InputFile &firstPrimaryInput() const;
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const InputFile &lastPrimaryInput() const;
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void
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forEachPrimaryInput(llvm::function_ref<void(const InputFile &)> fn) const;
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unsigned primaryInputCount() const { return PrimaryInputs.size(); }
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// Primary count readers:
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bool hasUniquePrimaryInput() const { return primaryInputCount() == 1; }
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bool hasPrimaryInputs() const { return primaryInputCount() > 0; }
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bool isWholeModule() const { return !hasPrimaryInputs(); }
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/// Fails an assertion if there is more than one primary input.
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/// Used in situations where only one primary input can be handled
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/// and where batch mode has not been implemented yet.
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void assertMustNotBeMoreThanOnePrimaryInput() const;
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// Count-dependend readers:
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/// \return the unique primary input, if one exists.
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const InputFile *getUniquePrimaryInput() const;
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const InputFile &getRequiredUniquePrimaryInput() const;
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/// \return the name of the unique primary input, or an empty StrinRef if
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/// there isn't one.
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StringRef getNameOfUniquePrimaryInputFile() const;
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bool isInputPrimary(StringRef file) const;
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unsigned numberOfPrimaryInputsEndingWith(const char *extension) const;
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// Multi-facet readers
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// If we have exactly one input filename, and its extension is "bc" or "ll",
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// treat the input as LLVM_IR.
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bool shouldTreatAsLLVM() const;
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bool shouldTreatAsSIL() const;
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bool areAllNonPrimariesSIB() const;
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/// \return true for error
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bool verifyInputs(DiagnosticEngine &diags, bool treatAsSIL,
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bool isREPLRequested, bool isNoneRequested) const;
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// Changing inputs
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public:
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void clearInputs();
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void addInput(const InputFile &input);
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void addInputFile(StringRef file, llvm::MemoryBuffer *buffer = nullptr);
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void addPrimaryInputFile(StringRef file,
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llvm::MemoryBuffer *buffer = nullptr);
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};
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} // namespace swift
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#endif /* SWIFT_FRONTEND_FRONTENDINPUTS_H */
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