public MethodDeclMAST(DeclarationsAST decls, TypeAST tip, Token id,BlockAST blo)
 {
     bloque=blo;
     declaraciones=decls;
     ident=id;
     tipo=tip;
 }
 public MethodDeclFMAST(FormParsAST par, DeclarationsAST decls, TypeAST tip, Token id,BlockAST blo)
 {
     bloque=blo;
     parametros=par;
     declaraciones=decls;
     ident=id;
     tipo=tip;
 }
 public MulDeclAST(DeclarationsAST decl,DeclarationsAST decls)
 {
     declaracion=decl;
     declaraciones=decls;
 }
 public ProgramDMAST(DeclarationsAST decls,DeclarationsAST meths,IDAST id)
 {
     ident=id;
     declaraciones=decls;
     metodos=meths;
 }