1 //===- TableGenBackend.h - Base class for TableGen Backends -----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // The TableGenBackend class is provided as a common interface for all TableGen
11 // backends. It provides useful services and an standardized interface.
13 //===----------------------------------------------------------------------===//
15 #ifndef TABLEGENBACKEND_H
16 #define TABLEGENBACKEND_H
26 struct TableGenBackend {
27 virtual ~TableGenBackend() {}
29 // run - All TableGen backends should implement the run method, which should
30 // be the main entry point.
31 virtual void run(std::ostream &OS) = 0;
34 public: // Useful helper routines...
35 /// EmitSourceFileHeader - Output a LLVM style file header to the specified
37 void EmitSourceFileHeader(const std::string &Desc, std::ostream &OS) const;
39 /// getQualifiedName - Return the name of the specified record, with a
40 /// namespace qualifier if the record contains one.
41 std::string getQualifiedName(Record *R) const;
44 } // End llvm namespace