def declare_native_getters_and_setters(cl: ClassIR, emitter: Emitter) -> None:
decls = emitter.context.declarations
for attr, rtype in cl.attributes.items():
getter_name = native_getter_name(cl, attr, emitter.names)
setter_name = native_setter_name(cl, attr, emitter.names)
decls[getter_name] = HeaderDeclaration(
'{}{}({} *self);'.format(emitter.ctype_spaced(rtype), getter_name,
cl.struct_name(emitter.names)),
needs_export=True,
)
decls[setter_name] = HeaderDeclaration(
'bool {}({} *self, {}value);'.format(
native_setter_name(cl, attr, emitter.names),
cl.struct_name(emitter.names), emitter.ctype_spaced(rtype)),
needs_export=True,
)
def generate_native_getters_and_setters(cl: ClassIR, emitter: Emitter) -> None:
for attr, rtype in cl.attributes.items():
# Native getter
emitter.emit_line('{}{}({} *self)'.format(
emitter.ctype_spaced(rtype),
native_getter_name(cl, attr, emitter.names),
cl.struct_name(emitter.names)))
emitter.emit_line('{')
if rtype.is_refcounted:
emit_undefined_check(rtype, emitter, attr, '==')
emitter.emit_lines(
'PyErr_SetString(PyExc_AttributeError, "attribute {} of {} undefined");'
.format(repr(attr), repr(cl.name)), '} else {')
emitter.emit_inc_ref('self->{}'.format(attr), rtype)
emitter.emit_line('}')
emitter.emit_line('return self->{};'.format(attr))
emitter.emit_line('}')
emitter.emit_line()
# Native setter
emitter.emit_line('bool {}({} *self, {}value)'.format(
native_setter_name(cl, attr, emitter.names),
cl.struct_name(emitter.names), emitter.ctype_spaced(rtype)))
emitter.emit_line('{')
if rtype.is_refcounted:
emit_undefined_check(rtype, emitter, attr, '!=')
emitter.emit_dec_ref('self->{}'.format(attr), rtype)
emitter.emit_line('}')
# This steal the reference to src, so we don't need to increment the arg
emitter.emit_lines('self->{} = value;'.format(attr), 'return 1;', '}')
emitter.emit_line()
def declare_native_getters_and_setters(cl: ClassIR, emitter: Emitter) -> None:
for attr, rtype in cl.attributes.items():
emitter.emit_line('{}{}({} *self);'.format(
emitter.ctype_spaced(rtype),
native_getter_name(cl, attr, emitter.names),
cl.struct_name(emitter.names)))
emitter.emit_line('bool {}({} *self, {}value);'.format(
native_setter_name(cl, attr, emitter.names),
cl.struct_name(emitter.names), emitter.ctype_spaced(rtype)))
