Programa.java

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package plp.expressions2;

import plp.expressions2.expression.Expressao;
import plp.expressions2.expression.Valor;
import plp.expressions2.memory.AmbienteCompilacao;
import plp.expressions2.memory.AmbienteExecucao;
import plp.expressions2.memory.ContextoCompilacao;
import plp.expressions2.memory.ContextoExecucao;
import plp.expressions2.memory.VariavelJaDeclaradaException;
import plp.expressions2.memory.VariavelNaoDeclaradaException;

public class Programa {

        private Expressao exp;

        public Programa(Expressao exp){
                this.exp = exp;
        }

        public Valor executar() throws VariavelJaDeclaradaException, VariavelNaoDeclaradaException {
                AmbienteExecucao ambExec = new ContextoExecucao();
                return exp.avaliar(ambExec);
        }

        public boolean checaTipo() throws VariavelJaDeclaradaException, VariavelNaoDeclaradaException {
                AmbienteCompilacao ambComp = new ContextoCompilacao();
                return exp.checaTipo(ambComp);
        }

        public Expressao getExpressao() {
                return exp;
        }

}

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