def _lift_attribute(location, attribute_param, default=None):
if isinstance(default, six.string_types):
assert default[0] == default[-1] == '"', 'unquoted string used as ' \
'attribute default value (bug in stage 1 parser?)'
default = default[1:-1] # Strip quotes
return Attribute(attribute_param.type, attribute_param.name,
attribute_param.array, default, location)
def _lift_attribute_scalar_parameter(location, *args):
assert len(args) == 2
type, name = args
assert(isinstance(type, (six.string_types, Reference, Struct)))
if isinstance(type, six.string_types):
# do not allow `struct blah` in attributes
if type.startswith("struct "):
raise ParseError("type: \"%s\" is not a valid type" % type, location)
return Attribute(type, name, array=False, default= None, location=location)
def p_attribute_defn(t):
'''attribute_defn : type ID SEMI'''
t[0] = Attribute(t[2], t[1], filename=t.lexer.filename, lineno=t.lexer.lineno)
def _lift_attribute_array_parameter(location, scalar_parameter):
return Attribute(scalar_parameter.type,
scalar_parameter.name,
True,
default=None,
location=location)
def p_attribute_statement(t):
'''attribute_statement : attribute type ID SEMI'''
t[0] = Attribute(t[2], t[3], filename=t.lexer.filename, \
lineno=t.lexer.lineno)