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
23 struct TableGenBackend {
24 virtual ~TableGenBackend() {}
26 // run - All TableGen backends should implement the run method, which should
27 // be the main entry point.
28 virtual void run(std::ostream &OS) = 0;
31 public: // Useful helper routines...
32 /// EmitSourceFileHeader - Output a LLVM style file header to the specified
34 void EmitSourceFileHeader(const std::string &Desc, std::ostream &OS) const;
36 /// getQualifiedName - Return the name of the specified record, with a
37 /// namespace qualifier if the record contains one.
38 std::string getQualifiedName(Record *R) const;