org.snapscript.tree.operation.PostfixIncrement Maven / Gradle / Ivy
package org.snapscript.tree.operation;
import org.snapscript.core.Evaluation;
import org.snapscript.core.scope.Scope;
import org.snapscript.core.variable.Value;
import org.snapscript.parse.Token;
import org.snapscript.tree.math.NumericConverter;
public class PostfixIncrement extends NumericOperation {
public PostfixIncrement(Evaluation evaluation, Token operator) {
super(evaluation, operator);
}
@Override
public Value evaluate(Scope scope, Value left) throws Exception { // this is rubbish
Value reference = evaluation.evaluate(scope, left);
Number number = reference.getNumber();
NumericConverter converter = NumericConverter.resolveConverter(number);
Value value = converter.increment(number);
Number result = value.getNumber();
reference.setValue(result);
return Value.getTransient(number);
}
}