//===- TableGenBackend.h - Base class for TableGen Backends -----*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file was developed by the LLVM research group and is distributed under // the University of Illinois Open Source License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // The TableGenBackend class is provided as a common interface for all TableGen // backends. It provides useful services and an standardized interface. // //===----------------------------------------------------------------------===// #ifndef TABLEGENBACKEND_H #define TABLEGENBACKEND_H #include <string> #include <iosfwd> namespace llvm { class Record; class RecordKeeper; struct TableGenBackend { virtual ~TableGenBackend() {} // run - All TableGen backends should implement the run method, which should // be the main entry point. virtual void run(std::ostream &OS) = 0; public: // Useful helper routines... /// EmitSourceFileHeader - Output a LLVM style file header to the specified /// ostream. void EmitSourceFileHeader(const std::string &Desc, std::ostream &OS) const; /// getQualifiedName - Return the name of the specified record, with a /// namespace qualifier if the record contains one. std::string getQualifiedName(Record *R) const; }; } // End llvm namespace #endif