2 Copyright 2011 frank asseg
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
8 http://www.apache.org/licenses/LICENSE-2.0
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
17 package net.sf.openrocket.util.exp4j;
20 import java.util.Stack;
23 * A {@link Token} for representing variables
27 class VariableToken extends CalculationToken {
29 * construct a new {@link VariableToken}
32 * the value of the token
34 VariableToken(String value) {
39 void mutateStackForCalculation(Stack<Double> stack, Map<String, Double> variableValues) {
40 double value = variableValues.get(this.getValue());
45 void mutateStackForInfixTranslation(Stack<Token> operatorStack, StringBuilder output) {
46 output.append(this.getValue()).append(" ");