ExpUnaria.java

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package plp.expressions2.expression;

import plp.expressions2.memory.AmbienteCompilacao;
import plp.expressions2.memory.VariavelJaDeclaradaException;
import plp.expressions2.memory.VariavelNaoDeclaradaException;

public abstract class ExpUnaria implements Expressao {

        private Expressao exp;

        private String operador;

        public ExpUnaria(Expressao exp, String operador) {
                this.exp = exp;
                this.operador = operador;
        }

        public Expressao getExp() {
                return exp;
        }

        public String getOperador() {
                return operador;
        }

        public boolean checaTipo(AmbienteCompilacao amb)
                        throws VariavelJaDeclaradaException, VariavelNaoDeclaradaException {
                return getExp().checaTipo(amb) && this.checaTipoElementoTerminal(amb);
        }

        @Override
        public String toString() {
                return String.format("%s %s", operador, exp);
        }

        protected abstract boolean checaTipoElementoTerminal(AmbienteCompilacao amb)
                        throws VariavelNaoDeclaradaException, VariavelJaDeclaradaException;

}

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