rlgen-ruby/ruby-flatcodegen.h

   1 /*
   2  *  2007 Victor Hugo Borja <vic@rubyforge.org>
   3  *  Copyright 2001-2007 Adrian Thurston <thurston@cs.queensu.ca>
   4  */
   5
   6 /*  This file is part of Ragel.
   7  *
   8  *  Ragel is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  Ragel is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with Ragel; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #ifndef _RUBY_FLATCODEGEN_H
  24 #define _RUBY_FLATCODEGEN_H
  25
  26 #include <iostream>
  27 #include "ruby-codegen.h"
  28
  29 using std::string;
  30 using std::ostream;
  31
  32
  33 /*
  34  * FlatCodeGen
  35  */
  36 class RubyFlatCodeGen : public RubyCodeGen
  37 {
  38 public:
  39         RubyFlatCodeGen( ostream &out ) :
  40                 RubyCodeGen(out) {};
  41         virtual ~RubyFlatCodeGen() {}
  42 protected:
  43
  44         std::ostream &TO_STATE_ACTION_SWITCH();
  45         std::ostream &FROM_STATE_ACTION_SWITCH();
  46         std::ostream &EOF_ACTION_SWITCH();
  47         std::ostream &ACTION_SWITCH();
  48
  49         std::ostream &KEYS();
  50         std::ostream &INDICIES();
  51         std::ostream &FLAT_INDEX_OFFSET();
  52         std::ostream &KEY_SPANS();
  53         std::ostream &TO_STATE_ACTIONS();
  54         std::ostream &FROM_STATE_ACTIONS();
  55         std::ostream &EOF_ACTIONS();
  56         std::ostream &EOF_TRANS();
  57         std::ostream &TRANS_TARGS();
  58         std::ostream &TRANS_ACTIONS();
  59         void LOCATE_TRANS();
  60
  61         std::ostream &COND_INDEX_OFFSET();
  62         void COND_TRANSLATE();
  63         std::ostream &CONDS();
  64         std::ostream &COND_KEYS();
  65         std::ostream &COND_KEY_SPANS();
  66
  67
  68         void GOTO( ostream &ret, int gotoDest, bool inFinish );
  69         void CALL( ostream &ret, int callDest, int targState, bool inFinish );
  70         void NEXT( ostream &ret, int nextDest, bool inFinish );
  71         void GOTO_EXPR( ostream &ret, InlineItem *ilItem, bool inFinish );
  72         void NEXT_EXPR( ostream &ret, InlineItem *ilItem, bool inFinish );
  73         void CALL_EXPR( ostream &ret, InlineItem *ilItem, int targState, bool inFinish );
  74         void CURS( ostream &ret, bool inFinish );
  75         void TARGS( ostream &ret, bool inFinish, int targState );
  76         void RET( ostream &ret, bool inFinish );
  77         void BREAK( ostream &ret, int targState );
  78
  79
  80         virtual int TO_STATE_ACTION( RedStateAp *state );
  81         virtual int FROM_STATE_ACTION( RedStateAp *state );
  82         virtual int EOF_ACTION( RedStateAp *state );
  83         virtual int TRANS_ACTION( RedTransAp *trans );
  84
  85         virtual void writeData();
  86         virtual void writeExec();
  87
  88 };
  89
  90 #endif
  91
  92
  93 /*
  94  * Local Variables:
  95  * mode: c++
  96  * indent-tabs-mode: 1
  97  * c-file-style: "bsd"
  98  * End:
  99  */