1 //===- OptParserEmitter.h - Table Driven Command Line Parsing ---*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef UTILS_TABLEGEN_OPTPARSEREMITTER_H 11 #define UTILS_TABLEGEN_OPTPARSEREMITTER_H 12 13 #include "TableGenBackend.h" 14 15 namespace llvm { 16 /// OptParserEmitter - This tablegen backend takes an input .td file 17 /// describing a list of options and emits a data structure for parsing and 18 /// working with those options when given an input command line. 19 class OptParserEmitter : public TableGenBackend { 20 RecordKeeper &Records; 21 bool GenDefs; 22 23 public: OptParserEmitter(RecordKeeper & R,bool _GenDefs)24 OptParserEmitter(RecordKeeper &R, bool _GenDefs) 25 : Records(R), GenDefs(_GenDefs) {} 26 27 /// run - Output the option parsing information. 28 /// 29 /// \param GenHeader - Generate the header describing the option IDs.x 30 void run(raw_ostream &OS); 31 }; 32 } 33 34 #endif 35