31 lines
861 B
Java
31 lines
861 B
Java
package org.nfunk.jep.function;
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import java.util.Stack;
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import org.nfunk.jep.ParseException;
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public class Sum extends PostfixMathCommand {
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private Add addFun = new Add();
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public void run(Stack paramStack) throws ParseException {
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Number number2;
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if (null == paramStack)
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throw new ParseException("Stack argument null");
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Number number1 = (Number)paramStack.pop();
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if (number1 instanceof Number) {
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number2 = number1;
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} else {
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throw new ParseException("Invalid parameter type");
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}
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for (byte b = 1; b < this.curNumberOfParameters; b++) {
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number1 = (Number)paramStack.pop();
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if (number1 instanceof Number) {
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number2 = this.addFun.add(number1, number2);
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} else {
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throw new ParseException("Invalid parameter type");
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}
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b++;
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}
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paramStack.push(number2);
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}
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}
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