Exemplos.java

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package plp.functional2;

import java.util.Arrays;

import plp.expressions2.expression.ExpSoma;
import plp.expressions2.expression.Expressao;
import plp.expressions2.expression.Id;
import plp.expressions2.expression.ValorInteiro;
import plp.expressions2.memory.VariavelJaDeclaradaException;
import plp.expressions2.memory.VariavelNaoDeclaradaException;
import plp.functional1.declaration.DecVariavel;
import plp.functional1.declaration.DeclaracaoFuncional;
import plp.functional2.declaration.DecFuncao;
import plp.functional2.expression.Aplicacao;
import plp.functional2.expression.ExpDeclaracao;
import plp.functional2.expression.ValorFuncao;


public class Exemplos {

        public static void main(String[] args) {


//let fun add x = fn y . x + y in
//let var id = add(0), var x = 4 in
//  id(1) + x

                Id idAdd = new Id("add");
                Id idX = new Id("x");
                Id idY = new Id("y");
                Id idId = new Id("id");
        
                Aplicacao aplicId =
                        new Aplicacao(
                                idId,
                                Arrays.asList(new Expressao[] { new ValorInteiro(1)}));
                Aplicacao aplicAdd =
                        new Aplicacao(
                                idAdd,
                                Arrays.asList(new Expressao[] { new ValorInteiro(0)}));
                DecVariavel decVarId = new DecVariavel(idId, aplicAdd);
                DecVariavel decVarX = new DecVariavel(idX, new ValorInteiro(4));
        
                ExpSoma expSomaFinal = new ExpSoma(aplicId, idX);
        
                ExpDeclaracao expdecId =
                        new ExpDeclaracao(
                                Arrays.asList(new DeclaracaoFuncional[] { decVarId, decVarX }),
                                expSomaFinal);
        
                ExpSoma expSoma = new ExpSoma(idX, idY);
                ValorFuncao valorFuncaoLambda =
                        new ValorFuncao(Arrays.asList(new Id[] { idY }), expSoma);
                ValorFuncao valorFuncaoAdd =
                        new ValorFuncao(
                                Arrays.asList(new Id[] { idX }),
                                valorFuncaoLambda);
                DecFuncao decFunAdd = new DecFuncao(idAdd, valorFuncaoAdd);
        
                ExpDeclaracao expdecAdd =
                        new ExpDeclaracao(
                                Arrays.asList(new DeclaracaoFuncional[] { decFunAdd }),
                                expdecId);
        
                Programa prg = new Programa(expdecAdd);
                try {
                        System.out.println(prg.executar());
                } catch (VariavelJaDeclaradaException e) {
                        e.printStackTrace();
                } catch (VariavelNaoDeclaradaException e) {
                        e.printStackTrace();
                }
        }
}

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