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Eliminate struct TableGenBackend.

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TableGen backends are simply written as functions now.

Patch by Sean Silva!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158389 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2012-06-13 05:15:49 +00:00
parent 36c58aa4d6
commit 764dc754fe
2 changed files with 7 additions and 32 deletions
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28
include/llvm/TableGen/TableGenBackend.h
View File

@ -1,4 +1,4 @@
//===- llvm/TableGen/TableGenBackend.h - Backend base class -----*- C++ -*-===//
//===- llvm/TableGen/TableGenBackend.h - Backend utilities ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
@ -7,39 +7,21 @@
//
//===----------------------------------------------------------------------===//
//
// The TableGenBackend class is provided as a common interface for all TableGen
// backends. It provides useful services and an standardized interface.
// Useful utilities for TableGen backends.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TABLEGEN_TABLEGENBACKEND_H
#define LLVM_TABLEGEN_TABLEGENBACKEND_H
#include "llvm/Support/raw_ostream.h"
#include "llvm/ADT/StringRef.h"
namespace llvm {
class Record;
class RecordKeeper;
struct TableGenBackend {
virtual void anchor();
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(StringRef Desc, raw_ostream &OS) const;
};
class raw_ostream;
/// emitSourceFileHeader - Output a LLVM style file header to the specified
/// ostream.
/// raw_ostream.
void emitSourceFileHeader(StringRef Desc, raw_ostream &OS);
} // End llvm namespace

11
lib/TableGen/TableGenBackend.cpp
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@ -1,4 +1,4 @@
//===- TableGenBackend.cpp - Base class for TableGen Backends ---*- C++ -*-===//
//===- TableGenBackend.cpp - Utilities for TableGen Backends ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
@ -11,17 +11,10 @@
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/raw_ostream.h"
#include "llvm/TableGen/TableGenBackend.h"
#include "llvm/TableGen/Record.h"
using namespace llvm;
void TableGenBackend::anchor() { }
void TableGenBackend::EmitSourceFileHeader(StringRef Desc,
raw_ostream &OS) const {
emitSourceFileHeader(Desc, OS);
}
void llvm::emitSourceFileHeader(StringRef Desc, raw_ostream &OS) {
OS << "//===- TableGen'erated file -------------------------------------*-"
" C++ -*-===//\n//\n// " << Desc << "\n//\n// Automatically generate"