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b4759bc8e2
...finally breaking the dependency of Parse on Sema. There are still some unfortunate dependencies here -- Xi's working on getting /AST/ not dependent on Sema -- but this is a step forward. It is a little strange that parseIntoSourceFile is in ParseSIL, and therefore that that's still a dependency for anyone trying to, well, parse. However, nearly all clients that parse want to type-check as well, and that requires Sema, Serialization, and the ClangImporter... and Serialization and SIL currently require each other as well (another circular dependency). So it's not actively causing us trouble right now.
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
//===--- ParseSILSupport.h - Interface with ParseSIL ------------*- 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_PARSER_PARSESILSUPPORT_H
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#define SWIFT_PARSER_PARSESILSUPPORT_H
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#include "llvm/Support/PrettyStackTrace.h"
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namespace swift {
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class Parser;
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/// Interface between the Parse and ParseSIL libraries, to avoid circular
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/// dependencies.
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class SILParserTUStateBase {
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virtual void anchor();
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protected:
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SILParserTUStateBase() = default;
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virtual ~SILParserTUStateBase() = default;
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public:
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virtual bool parseDeclSIL(Parser &P) = 0;
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virtual bool parseDeclSILStage(Parser &P) = 0;
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virtual bool parseSILVTable(Parser &P) = 0;
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virtual bool parseSILGlobal(Parser &P) = 0;
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virtual bool parseSILWitnessTable(Parser &P) = 0;
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virtual bool parseSILDefaultWitnessTable(Parser &P) = 0;
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virtual bool parseSILCoverageMap(Parser &P) = 0;
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virtual bool parseSILScope(Parser &P) = 0;
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};
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/// To assist debugging parser crashes, tell us the location of the
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/// current token.
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class PrettyStackTraceParser : public llvm::PrettyStackTraceEntry {
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Parser &P;
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public:
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explicit PrettyStackTraceParser(Parser &P) : P(P) {}
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void print(llvm::raw_ostream &out) const override {
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out << "With parser at source location: ";
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P.Tok.getLoc().print(out, P.Context.SourceMgr);
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out << '\n';
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}
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};
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} // end namespace swift
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#endif // SWIFT_PARSER_PARSESILSUPPORT_H
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