kturtle/src/token.h

   1 /*
   2     Copyright (C) 2003 by Walter Schreppers
   3     Copyright (C) 2004 by Cies Breijs
   4
   5     This program is free software; you can redistribute it and/or
   6     modify it under the terms of version 2 of the GNU General Public
   7     License as published by the Free Software Foundation.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  17  */
  18
  19
  20 #ifndef _TOKEN_H_
  21 #define _TOKEN_H_
  22
  23 #include <qstring.h>
  24
  25 #include "value.h"
  26
  27
  28 struct Pos // convenience, it codes a bit nicer with this, i.e.: "int row = tok.start.row"
  29 {
  30         uint     row;
  31         uint     col;
  32 };
  33
  34 struct Token
  35 {
  36         int      type;  // filled with enumed tokenTypes
  37         QString  look;  // the way the token looks in the text editor
  38         Value    value; // if the token is a number it can be stored here
  39         Pos      start; // row'n'col of the starting/ending point of the token
  40         Pos      end;
  41 };
  42
  43
  44 enum tokenTypes
  45 {
  46         tokNotSet  = 0, // inittial type of all tokens
  47         tokError   = 1,  // when there is an error
  48         tokUnknown = 2,  // when no token was found, a tokUnknown is often a variable, function or error
  49
  50         tokIf, // the execution controlling tokens
  51         tokElse,
  52         tokWhile,
  53         tokFor,
  54         tokTo,
  55         tokStep,
  56         tokForEach,
  57         tokIn,
  58         tokBreak,
  59         tokReturn,
  60
  61         tokBegin, // the scope delimiting tokens
  62         tokEnd,
  63
  64         tokNumber, // the containers
  65         tokString,
  66
  67         tokAssign, // for assignments
  68
  69         tokAnd, // and, or, not
  70         tokOr,
  71         tokNot,
  72
  73         tokEq, // ==, !=, >=, >, <=, <
  74         tokNe,
  75         tokGe,
  76         tokGt,
  77         tokLe,
  78         tokLt,
  79
  80         tokBraceOpen, // (, ), +, -, *, /
  81         tokBraceClose,
  82         tokPlus,
  83         tokMinus,
  84         tokMul,
  85         tokDev,
  86
  87         tokComma,
  88
  89         tokEOL, // End Of Line token
  90         tokEOF, // End Of File token
  91
  92         tokLearn, // learn command
  93
  94         tokClear, // the 'regular' command tokens
  95         tokGo,
  96         tokGoX,
  97         tokGoY,
  98         tokForward,
  99         tokBackward,
 100         tokDirection,
 101         tokTurnLeft,
 102         tokTurnRight,
 103         tokCenter,
 104         tokSetPenWidth,
 105         tokPenUp,
 106         tokPenDown,
 107         tokSetFgColor,
 108         tokSetBgColor,
 109         tokResizeCanvas,
 110         tokSpriteShow,
 111         tokSpriteHide,
 112         tokSpritePress,
 113         tokSpriteChange,
 114         tokMessage,
 115         tokInputWindow,
 116         tokPrint,
 117         tokFontType,
 118         tokFontSize,
 119         tokRepeat,
 120         tokRandom,
 121         tokWait,
 122         tokWrapOn,
 123         tokWrapOff,
 124         tokReset,
 125         tokRun,
 126
 127         tokDo // a dummy command
 128 };
 129
 130 // const QString tokenTypeNames[] =
 131 // {
 132 //      /* tokNotSet  = 0 */   "",
 133 //      /* tokError   = 1 */   "",
 134 //      /* tokUnknown = 2 */   "name",
 135 //
 136 //      /* tokIf */            "if",
 137 //      /* tokElse */          "else",
 138 //      /* tokWhile */         "while",
 139 //      /* tokFor */           "for",
 140 //      /* tokTo */            "to",
 141 //      /* tokStep */          "step",
 142 //      /* tokForEach */       "each",
 143 //      /* tokIn */            "in",
 144 //      /* tokBreak */         "break",
 145 //      /* tokReturn */        "return",
 146 //
 147 //      /* tokBegin */         "",
 148 //      /* tokEnd */           "",
 149 //
 150 //      /* tokNumber */        "number",
 151 //      /* tokString */        "string",
 152 //
 153 //      /* tokAssign */        "asignment",
 154 //
 155 //      /* tokAnd */           "and",
 156 //      /* tokOr */            "or",
 157 //      /* tokNot */           "not",
 158 //
 159 //      /* tokEq */            "questions",
 160 //      /* tokNe */            "questions",
 161 //      /* tokGe */            "questions",
 162 //      /* tokGt */            "questions",
 163 //      /* tokLe */            "questions",
 164 //      /* tokLt */            "questions",
 165 //
 166 //      /* tokBraceOpen */     "math",
 167 //      /* tokBraceClose */    "math",
 168 //      /* tokPlus */          "math",
 169 //      /* tokMinus */         "math",
 170 //      /* tokMul */           "math",
 171 //      /* tokDev */           "math",
 172 //
 173 //      /* tokComma */         "",
 174 //
 175 //      /* tokEOL */           "",
 176 //      /* tokEOF */           "",
 177 //
 178 //      /* tokLearn */         "learn",
 179 //
 180 //      /* tokClear */         "clear",
 181 //      /* tokGo */            "go",
 182 //      /* tokGoX */           "gox",
 183 //      /* tokGoY */           "goy",
 184 //      /* tokForward */       "forward",
 185 //      /* tokBackward */      "backward",
 186 //      /* tokDirection */     "direction",
 187 //      /* tokTurnLeft */      "turnleft",
 188 //      /* tokTurnRight */     "turnright",
 189 //      /* tokCenter */        "center",
 190 //      /* tokSetPenWidth */   "setpenwidth",
 191 //      /* tokPenUp */         "penup",
 192 //      /* tokPenDown */       "pendown",
 193 //      /* tokSetFgColor */    "setfgcolor",
 194 //      /* tokSetBgColor */    "setbgcolor",
 195 //      /* tokResizeCanvas */  "resizecanvas",
 196 //      /* tokSpriteShow */    "spriteshow",
 197 //      /* tokSpriteHide */    "spritehide",
 198 //      /* tokSpritePress */   "",
 199 //      /* tokSpriteChange */  "",
 200 //      /* tokMessage */       "message",
 201 //      /* tokInputWindow */   "inputwindow",
 202 //      /* tokPrint */         "print",
 203 //      /* tokFontType */      "",
 204 //      /* tokFontSize */      "fontsize",
 205 //      /* tokRepeat */        "repeat",
 206 //      /* tokRandom */        "random",
 207 //      /* tokWait */          "wait",
 208 //      /* tokWrapOn */        "wrapon",
 209 //      /* tokWrapOff */       "wrapoff",
 210 //      /* tokReset */         "reset",
 211 //      /* tokRun */           "run",
 212 //
 213 //      /* tokDo */            "",
 214 // };
 215 //
 216 // // QString Token::tokenType2name(int tokenType)
 217 // // {
 218 // //   if (tokenType >= 0) return tokenTypeNames[tokenType];
 219 // //   else                return "";
 220 // // }
 221
 222 #endif // _TOKEN_H_