1e8d8bef9SDimitry Andric //===- SkeletonEmitter.cpp - Skeleton TableGen backend -*- C++ -*-===// 2e8d8bef9SDimitry Andric // 3e8d8bef9SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4e8d8bef9SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5e8d8bef9SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6e8d8bef9SDimitry Andric // 7e8d8bef9SDimitry Andric //===----------------------------------------------------------------------===// 8e8d8bef9SDimitry Andric // 9e8d8bef9SDimitry Andric // This Tablegen backend emits ... 10e8d8bef9SDimitry Andric // 11e8d8bef9SDimitry Andric //===----------------------------------------------------------------------===// 12e8d8bef9SDimitry Andric 13*1fd87a68SDimitry Andric #include "llvm/ADT/DenseMapInfo.h" 14*1fd87a68SDimitry Andric #include "llvm/ADT/StringRef.h" 15e8d8bef9SDimitry Andric #include "llvm/TableGen/TableGenBackend.h" 16e8d8bef9SDimitry Andric 17e8d8bef9SDimitry Andric #define DEBUG_TYPE "skeleton-emitter" 18e8d8bef9SDimitry Andric 19*1fd87a68SDimitry Andric namespace llvm { 20*1fd87a68SDimitry Andric class RecordKeeper; 21*1fd87a68SDimitry Andric class raw_ostream; 22*1fd87a68SDimitry Andric } // namespace llvm 23*1fd87a68SDimitry Andric 24e8d8bef9SDimitry Andric using namespace llvm; 25e8d8bef9SDimitry Andric 26e8d8bef9SDimitry Andric namespace { 27e8d8bef9SDimitry Andric 28e8d8bef9SDimitry Andric // Any helper data structures can be defined here. Some backends use 29e8d8bef9SDimitry Andric // structs to collect information from the records. 30e8d8bef9SDimitry Andric 31e8d8bef9SDimitry Andric class SkeletonEmitter { 32e8d8bef9SDimitry Andric private: 33e8d8bef9SDimitry Andric RecordKeeper &Records; 34e8d8bef9SDimitry Andric 35e8d8bef9SDimitry Andric public: 36e8d8bef9SDimitry Andric SkeletonEmitter(RecordKeeper &RK) : Records(RK) {} 37e8d8bef9SDimitry Andric 38e8d8bef9SDimitry Andric void run(raw_ostream &OS); 39e8d8bef9SDimitry Andric }; // emitter class 40e8d8bef9SDimitry Andric 41e8d8bef9SDimitry Andric } // anonymous namespace 42e8d8bef9SDimitry Andric 43e8d8bef9SDimitry Andric void SkeletonEmitter::run(raw_ostream &OS) { 44e8d8bef9SDimitry Andric emitSourceFileHeader("Skeleton data structures", OS); 45e8d8bef9SDimitry Andric 46e8d8bef9SDimitry Andric (void)Records; // To suppress unused variable warning; remove on use. 47e8d8bef9SDimitry Andric } 48e8d8bef9SDimitry Andric 49e8d8bef9SDimitry Andric namespace llvm { 50e8d8bef9SDimitry Andric 51e8d8bef9SDimitry Andric // The only thing that should be in the llvm namespace is the 52e8d8bef9SDimitry Andric // emitter entry point function. 53e8d8bef9SDimitry Andric 54e8d8bef9SDimitry Andric void EmitSkeleton(RecordKeeper &RK, raw_ostream &OS) { 55e8d8bef9SDimitry Andric // Instantiate the emitter class and invoke run(). 56e8d8bef9SDimitry Andric SkeletonEmitter(RK).run(OS); 57e8d8bef9SDimitry Andric } 58e8d8bef9SDimitry Andric 59e8d8bef9SDimitry Andric } // namespace llvm 60