rlgen-cd/tabcodegen.h

   1 /*
   2  *  Copyright 2001-2006 Adrian Thurston <thurston@cs.queensu.ca>
   3  *            2004 Erich Ocean <eric.ocean@ampede.com>
   4  *            2005 Alan West <alan@alanz.com>
   5  */
   6
   7 /*  This file is part of Ragel.
   8  *
   9  *  Ragel is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  Ragel is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with Ragel; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #ifndef _TABCODEGEN_H
  25 #define _TABCODEGEN_H
  26
  27 #include <iostream>
  28 #include "fsmcodegen.h"
  29
  30 /* Forwards. */
  31 struct CodeGenData;
  32 struct NameInst;
  33 struct RedTransAp;
  34 struct RedStateAp;
  35
  36 /*
  37  * TabCodeGen
  38  */
  39 class TabCodeGen : virtual public FsmCodeGen
  40 {
  41 public:
  42         TabCodeGen( ostream &out ) : FsmCodeGen(out) {}
  43         virtual ~TabCodeGen() { }
  44         virtual void writeData();
  45         virtual void writeExec();
  46
  47 protected:
  48         std::ostream &TO_STATE_ACTION_SWITCH();
  49         std::ostream &FROM_STATE_ACTION_SWITCH();
  50         std::ostream &EOF_ACTION_SWITCH();
  51         std::ostream &ACTION_SWITCH();
  52
  53         std::ostream &COND_KEYS();
  54         std::ostream &COND_SPACES();
  55         std::ostream &KEYS();
  56         std::ostream &INDICIES();
  57         std::ostream &COND_OFFSETS();
  58         std::ostream &KEY_OFFSETS();
  59         std::ostream &INDEX_OFFSETS();
  60         std::ostream &COND_LENS();
  61         std::ostream &SINGLE_LENS();
  62         std::ostream &RANGE_LENS();
  63         std::ostream &TO_STATE_ACTIONS();
  64         std::ostream &FROM_STATE_ACTIONS();
  65         std::ostream &EOF_ACTIONS();
  66         std::ostream &EOF_TRANS();
  67         std::ostream &TRANS_TARGS();
  68         std::ostream &TRANS_ACTIONS();
  69         std::ostream &TRANS_TARGS_WI();
  70         std::ostream &TRANS_ACTIONS_WI();
  71         void LOCATE_TRANS();
  72
  73         void COND_TRANSLATE();
  74
  75         void GOTO( ostream &ret, int gotoDest, bool inFinish );
  76         void CALL( ostream &ret, int callDest, int targState, bool inFinish );
  77         void NEXT( ostream &ret, int nextDest, bool inFinish );
  78         void GOTO_EXPR( ostream &ret, InlineItem *ilItem, bool inFinish );
  79         void NEXT_EXPR( ostream &ret, InlineItem *ilItem, bool inFinish );
  80         void CALL_EXPR( ostream &ret, InlineItem *ilItem, int targState, bool inFinish );
  81         void CURS( ostream &ret, bool inFinish );
  82         void TARGS( ostream &ret, bool inFinish, int targState );
  83         void RET( ostream &ret, bool inFinish );
  84         void BREAK( ostream &ret, int targState );
  85
  86         virtual std::ostream &TO_STATE_ACTION( RedStateAp *state );
  87         virtual std::ostream &FROM_STATE_ACTION( RedStateAp *state );
  88         virtual std::ostream &EOF_ACTION( RedStateAp *state );
  89         virtual std::ostream &TRANS_ACTION( RedTransAp *trans );
  90         virtual void calcIndexSize();
  91 };
  92
  93
  94 /*
  95  * CTabCodeGen
  96  */
  97 struct CTabCodeGen
  98         : public TabCodeGen, public CCodeGen
  99 {
 100         CTabCodeGen( ostream &out ) :
 101                 FsmCodeGen(out), TabCodeGen(out), CCodeGen(out) {}
 102 };
 103
 104 /*
 105  * DTabCodeGen
 106  */
 107 struct DTabCodeGen
 108         : public TabCodeGen, public DCodeGen
 109 {
 110         DTabCodeGen( ostream &out ) :
 111                 FsmCodeGen(out), TabCodeGen(out), DCodeGen(out) {}
 112 };
 113
 114
 115 #endif /* _TABCODEGEN_H */