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303a3e5824
The Swift 4 Migrator is invoked through either the driver and frontend
with the -update-code flag.
The basic pipeline in the frontend is:
- Perform some list of syntactic fixes (there are currently none).
- Perform N rounds of sema fix-its on the primary input file, currently
set to 7 based on prior migrator seasons. Right now, this is just set
to take any fix-it suggested by the compiler.
- Emit a replacement map file, a JSON file describing replacements to a
file that Xcode knows how to understand.
Currently, the Migrator maintains a history of migration states along
the way for debugging purposes.
- Add -emit-remap frontend option
This will indicate the EmitRemap frontend action.
- Don't fork to a separte swift-update binary.
This is going to be a mode of the compiler, invoked by the same flags.
- Add -disable-migrator-fixits option
Useful for debugging, this skips the phase in the Migrator that
automatically applies fix-its suggested by the compiler.
- Add -emit-migrated-file-path option
This is used for testing/debugging scenarios. This takes the final
migration state's output text and writes it to the file specified
by this option.
- Add -dump-migration-states-dir
This dumps all of the migration states encountered during a migration
run for a file to the given directory. For example, the compiler
fix-it migration pass dumps the input file, the output file, and the
remap file between the two.
State output has the following naming convention:
${Index}-${MigrationPassName}-${What}.${extension}, such as:
1-FixitMigrationState-Input.swift
rdar://problem/30926261
48 lines
2.1 KiB
C++
48 lines
2.1 KiB
C++
//===--- Strings.h - Shared string constants across components --*- 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 - 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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#ifndef SWIFT_STRINGS_H
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#define SWIFT_STRINGS_H
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namespace swift {
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/// The extension for serialized modules.
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static const char SERIALIZED_MODULE_EXTENSION[] = "swiftmodule";
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/// The extension for serialized documentation comments.
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static const char SERIALIZED_MODULE_DOC_EXTENSION[] = "swiftdoc";
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/// The extension for PCH files.
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static const char PCH_EXTENSION[] = "pch";
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/// The extension for replacement map files.
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static const char REMAP_EXTENSION[] = "remap";
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/// The extension for SIL files.
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static const char SIL_EXTENSION[] = "sil";
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/// The extension for SIB files.
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static const char SIB_EXTENSION[] = "sib";
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/// The extension for LLVM IR files.
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static const char LLVM_BC_EXTENSION[] = "bc";
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static const char LLVM_IR_EXTENSION[] = "ll";
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/// The name of the standard library, which is a reserved module name.
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static const char STDLIB_NAME[] = "Swift";
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/// The name of the Onone support library, which is a reserved module name.
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static const char SWIFT_ONONE_SUPPORT[] = "SwiftOnoneSupport";
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/// The name of the SwiftShims module, which contains private stdlib decls.
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static const char SWIFT_SHIMS_NAME[] = "SwiftShims";
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/// The prefix of module names used by LLDB to capture Swift expressions
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static const char LLDB_EXPRESSIONS_MODULE_NAME_PREFIX[] = "__lldb_expr_";
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/// The name of the fake module used to hold imported Objective-C things.
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static const char MANGLING_MODULE_OBJC[] = "__ObjC";
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/// The name of the fake module used to hold imported C things.
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static const char MANGLING_MODULE_C[] = "__C";
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} // end namespace swift
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#endif // SWIFT_STRINGS_H
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