def default_parameters():
"""
Return the defaults parameters of the function, if any.
"""
return Entity.parameters.filter(
lambda p: dsl_expr.Not(p.default_expr.is_null)
)
def resolved_arguments(called_fn=BaseFunction.entity):
"""
Return the arguments of this call (default arguments included)
as named arguments.
"""
return Let(lambda call_args=Self.as_entity.call_args(called_fn): Let(
lambda default_args=called_fn.default_parameters(
).filter(lambda p: dsl_expr.Not(
call_args.any(lambda e: e.name().text == p.name())
)).map(lambda param: SynthNamedArg.new(
arg_name=param.param_identifier.node,
value_expr=param.default_expr.node).cast(NamedArg).as_entity
): call_args.concat(default_args)))
def is_actual_call():
"""
Return whether this is a call to an actual function (instead of a
syntactic construct that looks like a function call bu isn't one).
"""
return dsl_expr.Not(Self.parent.is_a(NodePatternProperty))
def has_parameter(name=T.String):
"""
Return whether the function has a parameter with the given name.
"""
return dsl_expr.Not(Self.find_parameter(name).is_null)
def has_name():
"""
Return whether the argument has a name.
"""
return dsl_expr.Not(Self.name.is_null)
def has_binding():
"""
Return whether the node pattern contains a binding name.
"""
return dsl_expr.Not(Self.binding_name.is_null)