1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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2 | * Copyright (C) 2001 Gerwin Klein <[email protected]> *
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3 | * Copyright (C) 2001 Bernhard Rumpe <[email protected]> *
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4 | * All rights reserved. *
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5 | * *
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6 | * This program is free software; you can redistribute it and/or modify *
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7 | * it under the terms of the GNU General Public License. See the file *
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8 | * COPYRIGHT for more information. *
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9 | * *
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10 | * This program is distributed in the hope that it will be useful, *
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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13 | * GNU General Public License for more details. *
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14 | * *
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15 | * You should have received a copy of the GNU General Public License along *
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16 | * with this program; if not, write to the Free Software Foundation, Inc., *
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17 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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18 | * *
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19 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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20 |
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21 |
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22 | /**
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23 | * AST node for a number
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24 | */
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25 | class Tnumber extends Texp implements AST {
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26 | int n; // value of the number
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27 |
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28 | public Tnumber(String s) {
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29 | try { n = Integer.parseInt(s); }
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30 | catch (NumberFormatException e) { n=-1; };
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31 | }
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32 |
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33 | public String toString() {
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34 | return(""+n);
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35 | }
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36 |
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37 | public void checkcontext(SymTab st) {
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38 | }
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39 |
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40 | public void prepInterp(SymTab st) {
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41 | }
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42 |
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43 | public int interpret(int[] in, int[] par) {
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44 | return(n);
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45 | }
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46 | }
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47 |
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