Last change
on this file since 1 was
1,
checked in by lnalod, 15 years ago
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Initial import of YAO sources
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File size:
887 bytes
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Line | |
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1 | /** The symbol table representation of CONST PI = 3.141592; You would |
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2 | * create new RealConstant("PI", 3.141592) |
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3 | */ |
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4 | import java.io.*; |
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5 | |
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6 | public class RealConstant extends Constant implements Serializable { |
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7 | protected double value; |
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8 | |
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9 | public RealConstant(String name, double value) { |
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10 | super(name); |
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11 | setValue(value); |
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12 | setType(PascalParser.symbolTable.getPredefinedType("real")); |
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13 | } |
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14 | |
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15 | public RealConstant(String svalue) { |
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16 | this(null,svalue); |
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17 | } |
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18 | |
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19 | public RealConstant(String name, String svalue) { |
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20 | super(name); |
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21 | setType(PascalParser.symbolTable.getPredefinedType("real")); |
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22 | double v = 0; |
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23 | try { |
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24 | v = Double.parseDouble(svalue); |
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25 | } |
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26 | catch (NumberFormatException nfe) { |
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27 | ; |
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28 | } |
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29 | setValue(v); |
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30 | } |
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31 | |
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32 | public double getValue() { |
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33 | return value; |
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34 | } |
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35 | |
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36 | public void setValue(double value) { |
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37 | this.value = value; |
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38 | } |
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39 | |
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40 | public String toString() { |
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41 | return super.toString()+"="+value; |
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42 | } |
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43 | } |
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