llvm-6502/utils/TableGen/TableGenBackend.h

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//===- 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;
/// EmitSourceFileTail - Output an LLVm styelf ile tail to the specified
/// ostream.
void EmitSourceFileTail( 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