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98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
//===--- InputFile.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_INPUTFILE_H
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#define SWIFT_FRONTEND_INPUTFILE_H
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#include "swift/Basic/PrimarySpecificPaths.h"
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#include "swift/Basic/SupplementaryOutputPaths.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include <string>
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#include <vector>
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namespace swift {
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enum class InputFileKind {
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IFK_None,
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IFK_Swift,
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IFK_Swift_Library,
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IFK_Swift_REPL,
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IFK_SIL,
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IFK_LLVM_IR
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};
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// Inputs may include buffers that override contents, and eventually should
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// always include a buffer.
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class InputFile {
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std::string Filename;
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bool IsPrimary;
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/// Points to a buffer overriding the file's contents, or nullptr if there is
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/// none.
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llvm::MemoryBuffer *Buffer;
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/// If there are explicit primary inputs (i.e. designated with -primary-input
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/// or -primary-filelist), the paths specific to those inputs (other than the
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/// input file path itself) are kept here. If there are no explicit primary
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/// inputs (for instance for whole module optimization), the corresponding
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/// paths are kept in the first input file.
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PrimarySpecificPaths PSPs;
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public:
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/// Does not take ownership of \p buffer. Does take ownership of (copy) a
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/// string.
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InputFile(StringRef name, bool isPrimary,
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llvm::MemoryBuffer *buffer = nullptr,
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StringRef outputFilename = StringRef())
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: Filename(
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convertBufferNameFromLLVM_getFileOrSTDIN_toSwiftConventions(name)),
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IsPrimary(isPrimary), Buffer(buffer), PSPs(PrimarySpecificPaths()) {
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assert(!name.empty());
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}
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bool isPrimary() const { return IsPrimary; }
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llvm::MemoryBuffer *buffer() const { return Buffer; }
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const std::string &file() const {
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assert(!Filename.empty());
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return Filename;
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}
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/// Return Swift-standard file name from a buffer name set by
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/// llvm::MemoryBuffer::getFileOrSTDIN, which uses "<stdin>" instead of "-".
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static StringRef convertBufferNameFromLLVM_getFileOrSTDIN_toSwiftConventions(
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StringRef filename) {
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return filename.equals("<stdin>") ? "-" : filename;
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}
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std::string outputFilename() const { return PSPs.OutputFilename; }
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const PrimarySpecificPaths &getPrimarySpecificPaths() const { return PSPs; }
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void setPrimarySpecificPaths(const PrimarySpecificPaths &PSPs) {
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this->PSPs = PSPs;
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}
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// The next set of functions provides access to those primary-specific paths
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// accessed directly from an InputFile, as opposed to via
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// FrontendInputsAndOutputs. They merely make the call sites
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// a bit shorter. Add more forwarding methods as needed.
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std::string dependenciesFilePath() const {
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return getPrimarySpecificPaths().SupplementaryOutputs.DependenciesFilePath;
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}
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std::string loadedModuleTracePath() const {
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return getPrimarySpecificPaths().SupplementaryOutputs.LoadedModuleTracePath;
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}
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};
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} // namespace swift
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#endif /* SWIFT_FRONTEND_INPUTFILE_H */
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