llvm-mirror/utils/TableGen/TableGenBackend.h
Daniel Dunbar 95f6034ab6 Replace std::iostreams with raw_ostream in TableGen.
- Sorry, I can't help myself.

 - No intended functionality change.

llvm-svn: 74742
2009-07-03 00:10:29 +00:00

44 lines
1.2 KiB
C++

//===- TableGenBackend.h - Base class for TableGen Backends -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file 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 "llvm/Support/raw_ostream.h"
#include <string>
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(raw_ostream &OS) = 0;
public: // Useful helper routines...
/// EmitSourceFileHeader - Output a LLVM style file header to the specified
/// ostream.
void EmitSourceFileHeader(const std::string &Desc, raw_ostream &OS) const;
};
} // End llvm namespace
#endif