Eliminate struct TableGenBackend.
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
diff --git a/include/llvm/TableGen/TableGenBackend.h b/include/llvm/TableGen/TableGenBackend.h
index 751a7cf..bedf7fb 100644
--- a/include/llvm/TableGen/TableGenBackend.h
+++ b/include/llvm/TableGen/TableGenBackend.h
@@ -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
diff --git a/lib/TableGen/TableGenBackend.cpp b/lib/TableGen/TableGenBackend.cpp
index 8117250..89d3f5e 100644
--- a/lib/TableGen/TableGenBackend.cpp
+++ b/lib/TableGen/TableGenBackend.cpp
@@ -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"