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e123750c12
This adds two things: - Calling `swiftc -dump-ast foo.swift [...] -o foo.ast` will dump the AST to the file `foo.ast`, instead of dumping it to `stderr` as usual. - Calling `swiftc -dump-ast -output-file-map=outputFileMap.json *.swift [...]`, given an `outputFileMap.json` file that contains entries in the form `"ast-dump": "foo.ast"`, will dump the ASTs of the input files to their respective output files in the file map. This should serve as a valid workaround to a bug mentioned in [the forums](https://forums.swift.org/t/error-when-dumping-the-ast-for-hundreds-of-files/17578) where the AST dump functionality crashes when called with too many input files. A few implementation details were also discussed in the same forum post. As an aside, this also fixes a comment in `include/swift/Basic/PrimarySpecificPaths.h` that was incorrect.
56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
//===--- PrimarySpecificPaths.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_BASIC_PRIMARYSPECIFICPATHS_H
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#define SWIFT_BASIC_PRIMARYSPECIFICPATHS_H
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#include "swift/Basic/LLVM.h"
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#include "swift/Basic/SupplementaryOutputPaths.h"
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#include "llvm/ADT/StringRef.h"
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#include <string>
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namespace swift {
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/// Holds all of the output paths, and debugging-info path that are
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/// specific to which primary file is being compiled at the moment.
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class PrimarySpecificPaths {
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public:
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/// The name of the main output file,
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/// that is, the .o file for this input (or a file specified by -o).
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/// If there is no such file, contains an empty string. If the output
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/// is to be written to stdout, contains "-".
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std::string OutputFilename;
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SupplementaryOutputPaths SupplementaryOutputs;
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/// The name of the "main" input file, used by the debug info.
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std::string MainInputFilenameForDebugInfo;
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PrimarySpecificPaths(StringRef OutputFilename = StringRef(),
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StringRef MainInputFilenameForDebugInfo = StringRef(),
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SupplementaryOutputPaths SupplementaryOutputs =
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SupplementaryOutputPaths())
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: OutputFilename(OutputFilename),
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SupplementaryOutputs(SupplementaryOutputs),
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MainInputFilenameForDebugInfo(MainInputFilenameForDebugInfo) {}
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bool haveModuleOrModuleDocOutputPaths() const {
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return !SupplementaryOutputs.ModuleOutputPath.empty() ||
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!SupplementaryOutputs.ModuleDocOutputPath.empty();
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}
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};
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} // namespace swift
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#endif /* SWIFT_BASIC_PRIMARYSPECIFICPATHS_H */
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