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New common interface for backends to use

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7625 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-08-06 04:23:04 +00:00
parent c961a2923b
commit 2c0f2c74be
4 changed files with 86 additions and 0 deletions
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17
support/tools/TableGen/TableGenBackend.cpp Normal file
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//===- TableGenBackend.cpp - Base class for TableGen Backends ---*- C++ -*-===//
//
// This file provides useful services for TableGen backends...
//
//===----------------------------------------------------------------------===//
#include "TableGenBackend.h"
#include <iostream>
void TableGenBackend::EmitSourceFileHeader(const std::string &Desc,
std::ostream &OS) {
OS << "//===- TableGen'erated file -------------------------------------*-"
" C++ -*-===//\n//\n// " << Desc << "\n//\n// Automatically generate"
"d file, do not edit!\n//\n//===------------------------------------"
"----------------------------------===//\n\n";
}

26
support/tools/TableGen/TableGenBackend.h Normal file
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//===- TableGenBackend.h - Base class for TableGen Backends -----*- C++ -*-===//
//
// 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>
struct 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...
void EmitSourceFileHeader(const std::string &Desc, std::ostream &OS) const;
};
#endif

17
utils/TableGen/TableGenBackend.cpp Normal file
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//===- TableGenBackend.cpp - Base class for TableGen Backends ---*- C++ -*-===//
//
// This file provides useful services for TableGen backends...
//
//===----------------------------------------------------------------------===//
#include "TableGenBackend.h"
#include <iostream>
void TableGenBackend::EmitSourceFileHeader(const std::string &Desc,
std::ostream &OS) {
OS << "//===- TableGen'erated file -------------------------------------*-"
" C++ -*-===//\n//\n// " << Desc << "\n//\n// Automatically generate"
"d file, do not edit!\n//\n//===------------------------------------"
"----------------------------------===//\n\n";
}

26
utils/TableGen/TableGenBackend.h Normal file
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//===- TableGenBackend.h - Base class for TableGen Backends -----*- C++ -*-===//
//
// 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>
struct 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...
void EmitSourceFileHeader(const std::string &Desc, std::ostream &OS) const;
};
#endif