utils/TableGen/OptParserEmitter.h

   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:
  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