| //===--- ParseSILSupport.h - Interface with ParseSIL ------------*- C++ -*-===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SWIFT_PARSER_PARSESILSUPPORT_H |
| #define SWIFT_PARSER_PARSESILSUPPORT_H |
| |
| #include "llvm/Support/PrettyStackTrace.h" |
| |
| namespace swift { |
| class Parser; |
| |
| /// Interface between the Parse and ParseSIL libraries, to avoid circular |
| /// dependencies. |
| class SILParserTUStateBase { |
| virtual void anchor(); |
| protected: |
| SILParserTUStateBase() = default; |
| virtual ~SILParserTUStateBase() = default; |
| public: |
| virtual bool parseDeclSIL(Parser &P) = 0; |
| virtual bool parseDeclSILStage(Parser &P) = 0; |
| virtual bool parseSILVTable(Parser &P) = 0; |
| virtual bool parseSILGlobal(Parser &P) = 0; |
| virtual bool parseSILWitnessTable(Parser &P) = 0; |
| virtual bool parseSILDefaultWitnessTable(Parser &P) = 0; |
| virtual bool parseSILCoverageMap(Parser &P) = 0; |
| virtual bool parseSILScope(Parser &P) = 0; |
| }; |
| |
| /// To assist debugging parser crashes, tell us the location of the |
| /// current token. |
| class PrettyStackTraceParser : public llvm::PrettyStackTraceEntry { |
| Parser &P; |
| public: |
| explicit PrettyStackTraceParser(Parser &P) : P(P) {} |
| void print(llvm::raw_ostream &out) const override { |
| out << "With parser at source location: "; |
| P.Tok.getLoc().print(out, P.Context.SourceMgr); |
| out << '\n'; |
| } |
| }; |
| } // end namespace swift |
| |
| #endif // SWIFT_PARSER_PARSESILSUPPORT_H |
| |