Arreglo, Prolog - rextester

Language: Layout:

objeto:- write('{ '), read(X), a1(X), write('}').                                       
atributo:- read(X), write('"'), write(X), write('":'), tipoatributo(X), agregar.                                                                                             
tipoatributo(M):- read(X), (X = 'metodo' -> metodo(M); (X = 'numero' -> numero; (X = 'cadena' -> cadena; (X = 'objeto' -> objeto; ( X = 'array' -> arreglo, write(']');write('error')))))).
cadena:- read(X), write('"'), write(X), write('"'). 
numero:- read(X), write(X).
metodo(M):- write('"function() {'),a2,write(' return '), write(M), write(';}"').
arreglo:- write('['), read(X), a(X).
agregar:- read(X), X = 'atributo' -> write(', '), atributo; write(' '). 
unomas:- read(X), (X = 'numero' -> write(', '), numero, unomas; X = 'cadena' -> write(', ') , cadena, unomas; X= 'objeto' -> write(', '), objeto, unomas ;X = 'array' -> write('], '), arreglo; a1(X)).
a(X):- (X = 'numero' -> numero; X = 'cadena' -> cadena; X = 'objeto' -> objeto ;X = 'array' -> arreglo, write(']')), unomas.
a1(X):- (X = 'atributo' -> atributo, write('')); write(''). 
a2:- read(X), (X='decision'->decision;a3(X)).
a3(X):- X='asignacion' -> asignacion;(a4(X)).
a4(X):- X='fin' -> write('');(write('ERROR: '),write(X)).
asignacion:- read(X), write(X), write('='), read(Y), write(Y), write(';'),a2.
decision:- write('if('),condicion,write(')'), verdadero, write('}'),falso,write('}').
condicion:-read(X), write(X).
verdadero:- write('{'),a2.
falso:- write('else {'),a2.
:-objeto.

[ - ] Show input
Absolute running time: 0.34 sec, cpu time: 0.17 sec, memory peak: 7 Mb, absolute service time: 0,55 sec