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9701d94f15
This adds an adapter class that wraps Clang's lib/Edit Commit and EditedSource classes for use in the initial "syntactic" passes. Once the passes have completed, the resulting source file is then passed to the Swift compiler fix-it passes. rdar://problem/30926261
83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
//===--- MigrationState.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/Basic/SourceManager.h"
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#include "swift/Migrator/MigrationState.h"
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#include "llvm/Support/Path.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/raw_ostream.h"
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using llvm::StringRef;
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using namespace swift;
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using namespace swift::migrator;
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#pragma mark - MigrationState
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std::string MigrationState::getInputText() const {
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return SrcMgr.getEntireTextForBuffer(InputBufferID);
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}
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std::string MigrationState::getOutputText() const {
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return SrcMgr.getEntireTextForBuffer(OutputBufferID);
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}
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static bool quickDumpText(StringRef OutFilename, StringRef Text) {
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std::error_code Error;
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llvm::raw_fd_ostream FileOS(OutFilename,
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Error, llvm::sys::fs::F_Text);
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if (FileOS.has_error()) {
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return true;
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}
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FileOS << Text;
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FileOS.flush();
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return FileOS.has_error();
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}
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bool MigrationState::print(size_t StateNumber, StringRef OutDir) const {
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auto Failed = false;
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SmallString<256> InputFileStatePath;
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llvm::sys::path::append(InputFileStatePath, OutDir);
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{
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SmallString<256> InputStateFilenameScratch;
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llvm::raw_svector_ostream InputStateFilenameOS(InputStateFilenameScratch);
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InputStateFilenameOS << StateNumber << '-' << "FixitMigrationState";
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InputStateFilenameOS << '-' << "Input";
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llvm::sys::path::append(InputFileStatePath, InputStateFilenameOS.str());
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llvm::sys::path::replace_extension(InputFileStatePath, ".swift");
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}
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Failed |= quickDumpText(InputFileStatePath, getInputText());
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SmallString<256> OutputFileStatePath;
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llvm::sys::path::append(OutputFileStatePath, OutDir);
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{
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SmallString<256> OutputStateFilenameScratch;
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llvm::raw_svector_ostream OutputStateFilenameOS(OutputStateFilenameScratch);
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OutputStateFilenameOS << StateNumber << '-' << "FixitMigrationState";
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OutputStateFilenameOS << '-' << "Output";
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llvm::sys::path::append(OutputFileStatePath, OutputStateFilenameOS.str());
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llvm::sys::path::replace_extension(OutputFileStatePath, ".swift");
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}
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Failed |= quickDumpText(OutputFileStatePath, getOutputText());
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return Failed;
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}
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