Estructura de Datos - Empresa, Prolog

Estructura de Datos - Empresa

%commands to the interpreter are submitted from stdin input ('show input' box below)
%'halt.' will be automatically appended to stdin input.
%swi-prolog 7.6.4
objeto :- write('{'),aux1,write('}').
atributo :- cadena,write(':'),valor,aux2.
cadena :- read(X),write('"'),write(X),write('"').
numero :- read(N),write(N).
arreglo :- write('['),aux3,write(']').
metodo :- write('"function() {'),instruccion,write('return isan}"').
instruccion :- read(I),(I='asignacion'->asignacion,instruccion;
                 I='decision'->decision,instruccion;
                 I='fin'->write('')).                 
asignacion :- read(X),write(X),write('='),read(Y),write(Y),write(';').                 
decision :- write('if ('),read(C),write(C),write(') {'),instruccion,write('}').
aux1 :- read(X),(X='atributo'->atributo;
                 X='fin'->write('')). 
aux2 :- read(X),(X='atributo'->write(','),atributo;
                 X='fin'->write('')). 
aux3 :- read(X),(X='valor'->valor,aux4;
                 X='fin'->write('')).
aux4 :- read(X),(X='valor'->write(','),valor,aux4;
                 X='fin'->write('')).  
valor :-read(Y),(Y='cadena'->cadena;
                 Y='numero'->numero;
                 Y='objeto'->objeto;
                 Y='arreglo'->arreglo;
                 Y='metodo'->metodo).
                 
:- objeto.


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