CONJUNCTION_AST = AST.Conjunction(operator_ast_gen(AST.Eq), INSTANCE_OF_AST) DISJUNCTION_STR = '%s or %s' % (CONJUNCTION_STR, operator_str_gen('<=')) DISJUNCTION_AST = AST.Disjunction(CONJUNCTION_AST, operator_ast_gen(AST.Lte)) QUANTIFIED_STR = 'some ala in %s satisfies %s' % (DISJUNCTION_STR, CONJUNCTION_STR) QUANTIFIED_AST = AST.QuantifiedExpr(True, [(AST.Name('ala'), DISJUNCTION_AST)], CONJUNCTION_AST) IF_STR = 'if %s then %s else %s' % (QUANTIFIED_STR, DISJUNCTION_STR, CONJUNCTION_STR) IF_AST = AST.If(QUANTIFIED_AST, DISJUNCTION_AST, CONJUNCTION_AST) FOR_STR = 'for ala in %s return %s' % (IF_STR, QUANTIFIED_STR) FOR_AST = AST.For([(AST.Name('ala'), IF_AST)], QUANTIFIED_AST) PATH_STR = '%s.ala' % DATE_STR PATH_AST = AST.Path(DATE_AST, AST.Name('ala')) INVOCATION_STR = '%s(%s, %s)' % (PATH_STR, FOR_STR, IF_STR) INVOCATION_AST = AST.Invocation(PATH_AST, [FOR_AST, IF_AST]) NEGATION_STR = '-?A_zÊÝĄͼൺ⁶Ⰲ〠邏2𐎅' NEGATION_AST = AST.Negation(AST.Name('?A_zÊÝĄͼൺ⁶Ⰲ〠邏2𐎅')) ARITHMETIC_EXPRESSION_STR = '1.2-%s /true **%s' % (NEGATION_STR, NAME_STR) ARITHMETIC_EXPRESSION_AST = AST.Dif(AST.Number(1.2), AST.Div(NEGATION_AST, AST.Exp(AST.Boolean(True), NAME_AST))) NOT_STR = 'not (null)' NOT_AST = AST.Not(AST.PositiveUnaryTests([AST.Null()])) POSITIVE_UNARY_TESTS_STR = '%s in (null, null)' % ARITHMETIC_EXPRESSION_STR POSITIVE_UNARY_TESTS_AST = AST.In(ARITHMETIC_EXPRESSION_AST, AST.PositiveUnaryTests([AST.Null()] * 2))
def p_path_expression(self, p): """path_expression : expression '.' name""" p[0] = AST.Path(p[1], p[3])