rlgen-ruby/ruby-tabcodegen.h

   1 /*
   2  *  Copyright 2007 Victor Hugo Borja <vic@rubyforge.org>
   3  *            2006-2007 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_TABCODEGEN_H
  24 #define _RUBY_TABCODEGEN_H
  25
  26 #include <iostream>
  27 #include <string>
  28 #include <stdio.h>
  29 #include "common.h"
  30 #include "gendata.h"
  31 #include "ruby-codegen.h"
  32
  33
  34 using std::string;
  35 using std::ostream;
  36
  37 /*
  38  * RubyCodeGen
  39  */
  40 class RubyTabCodeGen : public RubyCodeGen
  41 {
  42 public:
  43         RubyTabCodeGen( ostream &out ) :
  44           RubyCodeGen(out) {}
  45         virtual ~RubyTabCodeGen() {}
  46
  47 public:
  48         void BREAK( ostream &ret, int targState );
  49         void GOTO( ostream &ret, int gotoDest, bool inFinish );
  50         void GOTO_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish );
  51         void CALL( ostream &ret, int callDest, int targState, bool inFinish );
  52         void CALL_EXPR( ostream &ret, GenInlineItem *ilItem, int targState, bool inFinish );
  53         void RET( ostream &ret, bool inFinish );
  54
  55         void COND_TRANSLATE();
  56         void LOCATE_TRANS();
  57
  58         virtual void writeExec();
  59         virtual void writeData();
  60
  61  protected:
  62         virtual std::ostream &TO_STATE_ACTION_SWITCH();
  63         virtual std::ostream &FROM_STATE_ACTION_SWITCH();
  64         virtual std::ostream &EOF_ACTION_SWITCH();
  65         virtual std::ostream &ACTION_SWITCH();
  66
  67         std::ostream &COND_KEYS();
  68         std::ostream &COND_SPACES();
  69         std::ostream &KEYS();
  70         std::ostream &INDICIES();
  71         std::ostream &COND_OFFSETS();
  72         std::ostream &KEY_OFFSETS();
  73         std::ostream &INDEX_OFFSETS();
  74         std::ostream &COND_LENS();
  75         std::ostream &SINGLE_LENS();
  76         std::ostream &RANGE_LENS();
  77         std::ostream &TO_STATE_ACTIONS();
  78         std::ostream &FROM_STATE_ACTIONS();
  79         std::ostream &EOF_ACTIONS();
  80         std::ostream &EOF_TRANS();
  81         std::ostream &TRANS_TARGS();
  82         std::ostream &TRANS_ACTIONS();
  83         std::ostream &TRANS_TARGS_WI();
  84         std::ostream &TRANS_ACTIONS_WI();
  85
  86
  87         void NEXT( ostream &ret, int nextDest, bool inFinish );
  88         void NEXT_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish );
  89
  90         virtual int TO_STATE_ACTION( RedStateAp *state );
  91         virtual int FROM_STATE_ACTION( RedStateAp *state );
  92         virtual int EOF_ACTION( RedStateAp *state );
  93
  94 private:
  95         string array_type;
  96         string array_name;
  97
  98 public:
  99
 100         void EXEC( ostream &ret, GenInlineItem *item, int targState, int inFinish );
 101         void EXECTE( ostream &ret, GenInlineItem *item, int targState, int inFinish );
 102         void LM_SWITCH( ostream &ret, GenInlineItem *item, int targState, int inFinish );
 103         void SET_ACT( ostream &ret, GenInlineItem *item );
 104         void INIT_TOKSTART( ostream &ret, GenInlineItem *item );
 105         void INIT_ACT( ostream &ret, GenInlineItem *item );
 106         void SET_TOKSTART( ostream &ret, GenInlineItem *item );
 107         void SET_TOKEND( ostream &ret, GenInlineItem *item );
 108         void GET_TOKEND( ostream &ret, GenInlineItem *item );
 109         void SUB_ACTION( ostream &ret, GenInlineItem *item,
 110                         int targState, bool inFinish );
 111
 112
 113 };
 114
 115
 116 #endif
 117
 118 /*
 119  * Local Variables:
 120  * mode: c++
 121  * indent-tabs-mode: 1
 122  * c-file-style: "bsd"
 123  * End:
 124  */