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Diffstat (limited to 'debian/pyrex/pyrex-0.9.9/Pyrex/Compiler/TypeSlots.py')
| -rw-r--r-- | debian/pyrex/pyrex-0.9.9/Pyrex/Compiler/TypeSlots.py | 629 |
1 files changed, 629 insertions, 0 deletions
diff --git a/debian/pyrex/pyrex-0.9.9/Pyrex/Compiler/TypeSlots.py b/debian/pyrex/pyrex-0.9.9/Pyrex/Compiler/TypeSlots.py new file mode 100644 index 00000000..9cb858e3 --- /dev/null +++ b/debian/pyrex/pyrex-0.9.9/Pyrex/Compiler/TypeSlots.py @@ -0,0 +1,629 @@ +# +# Pyrex - Tables describing slots in the type object +# and associated know-how. +# + +import Naming +import PyrexTypes + +class Signature: + # Method slot signature descriptor. + # + # has_dummy_arg boolean + # has_generic_args boolean + # fixed_arg_format string + # ret_format string + # error_value string + # + # The formats are strings made up of the following + # characters: + # + # 'O' Python object + # 'T' Python object of the type of 'self' + # 't' Python type object + # 'v' void + # 'p' void * + # 'P' void ** + # 'i' int + # 'I' int * + # 'l' long + # 'Z' Py_ssize_t + # 's' char * + # 'S' char ** + # 'r' int used only to signal exception + # '-' dummy 'self' argument (not used) + # '*' rest of args passed as generic Python + # arg tuple and kw dict (must be last + # char in format string) + + format_map = { + 'O': PyrexTypes.py_object_type, + 't': PyrexTypes.py_type_type, + 'v': PyrexTypes.c_void_type, + 'p': PyrexTypes.c_void_ptr_type, + 'P': PyrexTypes.c_void_ptr_ptr_type, + 'b': PyrexTypes.c_int_type, # boolean - no error value + 'i': PyrexTypes.c_int_type, + 'I': PyrexTypes.c_int_ptr_type, + 'l': PyrexTypes.c_long_type, + 'Z': PyrexTypes.c_py_ssize_t_type, + 's': PyrexTypes.c_char_ptr_type, + 'S': PyrexTypes.c_char_ptr_ptr_type, + 'r': PyrexTypes.c_returncode_type, + # 'T', '-' and '*' are handled otherwise + # and are not looked up in here + } + + error_value_map = { + 'O': "0", + 't': "0", + 'i': "-1", + 'l': "-1", + 'r': "-1", + 'Z': "-1", + } + + def __init__(self, arg_format, ret_format): + self.has_dummy_arg = 0 + self.has_generic_args = 0 + if arg_format[:1] == '-': + self.has_dummy_arg = 1 + arg_format = arg_format[1:] + if arg_format[-1:] == '*': + self.has_generic_args = 1 + arg_format = arg_format[:-1] + self.fixed_arg_format = arg_format + self.ret_format = ret_format + self.error_value = self.error_value_map.get(ret_format, None) + + def num_fixed_args(self): + return len(self.fixed_arg_format) + + def is_self_arg(self, i): + return self.fixed_arg_format[i] == 'T' + + def fixed_arg_type(self, i): + return self.format_map[self.fixed_arg_format[i]] + + def return_type(self): + return self.format_map[self.ret_format] + + def exception_value(self): + return self.error_value_map.get(self.ret_format) + + def function_type(self, self_type = None): + # Construct a C function type descriptor for this signature + args = [] + #for i in xrange(self.num_fixed_args()): + # arg_type = self.fixed_arg_type(i) + for c in self.fixed_arg_format: + if c == "T": + assert self_type is not None + arg_type = self_type + else: + arg_type = self.format_map[c] + args.append(PyrexTypes.CFuncTypeArg("", arg_type, None)) + ret_type = self.return_type() + exc_value = self.exception_value() + return PyrexTypes.CFuncType(ret_type, args, exception_value = exc_value) + + +class SlotDescriptor: + # Abstract base class for type slot descriptors. + # + # slot_name string Member name of the slot in the type object + # is_initialised_dynamically Is initialised by code in the module init function + # flag Py_TPFLAGS_XXX value indicating presence of slot + + def __init__(self, slot_name, dynamic = 0, flag = None): + self.slot_name = slot_name + self.is_initialised_dynamically = dynamic + self.flag = flag + + def generate(self, scope, code): + if self.is_initialised_dynamically: + value = 0 + else: + value = self.slot_code(scope) + flag = self.flag + if flag: + code.putln("#if Py_TPFLAGS_DEFAULT & %s" % flag) + code.putln("%s, /*%s*/" % (value, self.slot_name)) + if flag: + code.putln("#endif") + + # Some C implementations have trouble statically + # initialising a global with a pointer to an extern + # function, so we initialise some of the type slots + # in the module init function instead. + + def generate_dynamic_init_code(self, scope, code): + if self.is_initialised_dynamically: + value = self.slot_code(scope) + if value <> "0": + code.putln("%s.%s = %s;" % ( + scope.parent_type.typeobj_cname, + self.slot_name, + value + ) + ) + + +class FixedSlot(SlotDescriptor): + # Descriptor for a type slot with a fixed value. + # + # value string + + def __init__(self, slot_name, value): + SlotDescriptor.__init__(self, slot_name) + self.value = value + + def slot_code(self, scope): + return self.value + + +class EmptySlot(FixedSlot): + # Descriptor for a type slot whose value is always 0. + + def __init__(self, slot_name): + FixedSlot.__init__(self, slot_name, "0") + + +class GCDependentSlot(SlotDescriptor): + # Descriptor for a slot whose value depends on whether + # the type participates in GC. + + def __init__(self, slot_name, no_gc_value, gc_value, dynamic = 0): + SlotDescriptor.__init__(self, slot_name, dynamic) + self.no_gc_value = no_gc_value + self.gc_value = gc_value + + def slot_code(self, scope): + if scope.has_pyobject_attrs: + return self.gc_value + else: + return self.no_gc_value + + +class MethodSlot(SlotDescriptor): + # Type slot descriptor for a user-definable method. + # + # signature Signature + # method_name string The __xxx__ name of the method + # default string or None Default value of the slot + + def __init__(self, signature, slot_name, method_name, default = None, flag = None): + SlotDescriptor.__init__(self, slot_name, flag = flag) + self.signature = signature + self.slot_name = slot_name + self.method_name = method_name + self.default = default + method_name_to_slot[method_name] = self + + def slot_code(self, scope): + entry = scope.lookup_here(self.method_name) + if entry: + return entry.func_cname + else: + return "0" + + +class InternalMethodSlot(SlotDescriptor): + # Type slot descriptor for a method which is always + # synthesized by Pyrex. + # + # slot_name string Member name of the slot in the type object + + def __init__(self, slot_name): + SlotDescriptor.__init__(self, slot_name) + + def slot_code(self, scope): + return scope.mangle_internal(self.slot_name) + + +class PyAttrDependentSlot(InternalMethodSlot): + # Type slot for a method that is synthesized only + # when the extension type has Python-valued attributes. + + def slot_code(self, scope): + if scope.pyattr_entries: + return InternalMethodSlot.slot_code(self, scope) + else: + return "0" + + +class SyntheticSlot(InternalMethodSlot): + # Type slot descriptor for a synthesized method which + # dispatches to one or more user-defined methods depending + # on its arguments. If none of the relevant methods are + # defined, the method will not be synthesized and an + # alternative default value will be placed in the type + # slot. + + def __init__(self, slot_name, user_methods, default_value): + InternalMethodSlot.__init__(self, slot_name) + self.user_methods = user_methods + self.default_value = default_value + + def slot_code(self, scope): + if scope.defines_any(self.user_methods): + return InternalMethodSlot.slot_code(self, scope) + else: + return self.default_value + + +class TypeFlagsSlot(SlotDescriptor): + # Descriptor for the type flags slot. + + def slot_code(self, scope): + value = "Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_BASETYPE" + if scope.pyattr_entries and not scope.no_gc: + value += "|Py_TPFLAGS_HAVE_GC" + return value + + +class DocStringSlot(SlotDescriptor): + # Descriptor for the docstring slot. + + def slot_code(self, scope): + if scope.doc is not None: + return '"%s"' % scope.doc + else: + return "0" + + +class SuiteSlot(SlotDescriptor): + # Descriptor for a substructure of the type object. + # + # sub_slots [SlotDescriptor] + + def __init__(self, sub_slots, slot_type, slot_name): + SlotDescriptor.__init__(self, slot_name) + self.sub_slots = sub_slots + self.slot_type = slot_type + substructures.append(self) + + def substructure_cname(self, scope): + return "%s%s_%s" % (Naming.pyrex_prefix, self.slot_name, scope.class_name) + + def slot_code(self, scope): + return "&%s" % self.substructure_cname(scope) + + def generate_substructure(self, scope, code): + code.putln("") + code.putln( + "static %s %s = {" % ( + self.slot_type, + self.substructure_cname(scope))) + for slot in self.sub_slots: + slot.generate(scope, code) + code.putln("};") + +substructures = [] # List of all SuiteSlot instances + +class MethodTableSlot(SlotDescriptor): + # Slot descriptor for the method table. + + def slot_code(self, scope): + return scope.method_table_cname + + +class MemberTableSlot(SlotDescriptor): + # Slot descriptor for the table of Python-accessible attributes. + + def slot_code(self, scope): + if scope.public_attr_entries: + return scope.member_table_cname + else: + return "0" + + +class GetSetSlot(SlotDescriptor): + # Slot descriptor for the table of attribute get & set methods. + + def slot_code(self, scope): + if scope.property_entries: + return scope.getset_table_cname + else: + return "0" + + +class BaseClassSlot(SlotDescriptor): + # Slot descriptor for the base class slot. + + def __init__(self, name): + SlotDescriptor.__init__(self, name, dynamic = 1) + + def generate_dynamic_init_code(self, scope, code): + base_type = scope.parent_type.base_type + if base_type: + code.putln("%s.%s = %s;" % ( + scope.parent_type.typeobj_cname, + self.slot_name, + base_type.typeptr_cname)) + + +# The following dictionary maps __xxx__ method names to slot descriptors. + +method_name_to_slot = {} + +## The following slots are (or could be) initialised with an +## extern function pointer. +# +#slots_initialised_from_extern = ( +# "tp_free", +#) + +#------------------------------------------------------------------------------------------ +# +# Utility functions for accessing slot table data structures +# +#------------------------------------------------------------------------------------------ + +def get_special_method_signature(name): + # Given a method name, if it is a special method, + # return its signature, else return None. + slot = method_name_to_slot.get(name) + if slot: + return slot.signature + else: + return None + +def get_property_accessor_signature(name): + # Return signature of accessor for an extension type + # property, else None. + return property_accessor_signatures.get(name) + +#------------------------------------------------------------------------------------------ +# +# Signatures for generic Python functions and methods. +# +#------------------------------------------------------------------------------------------ + +pyfunction_signature = Signature("-*", "O") +pymethod_signature = Signature("T*", "O") + +#------------------------------------------------------------------------------------------ +# +# Signatures for the various kinds of function that +# can appear in the type object and its substructures. +# +#------------------------------------------------------------------------------------------ + +unaryfunc = Signature("T", "O") # typedef PyObject * (*unaryfunc)(PyObject *); +binaryfunc = Signature("OO", "O") # typedef PyObject * (*binaryfunc)(PyObject *, PyObject *); +ibinaryfunc = Signature("TO", "O") # typedef PyObject * (*binaryfunc)(PyObject *, PyObject *); +ternaryfunc = Signature("OOO", "O") # typedef PyObject * (*ternaryfunc)(PyObject *, PyObject *, PyObject *); +iternaryfunc = Signature("TOO", "O") # typedef PyObject * (*ternaryfunc)(PyObject *, PyObject *, PyObject *); +callfunc = Signature("T*", "O") # typedef PyObject * (*ternaryfunc)(PyObject *, PyObject *, PyObject *); +inquiry = Signature("T", "i") # typedef int (*inquiry)(PyObject *); +lenfunc = Signature("T", "Z") # typedef Py_ssize_t (*lenfunc)(PyObject *); + # typedef int (*coercion)(PyObject **, PyObject **); +intargfunc = Signature("Ti", "O") # typedef PyObject *(*intargfunc)(PyObject *, int); +ssizeargfunc = Signature("TZ", "O") # typedef PyObject *(*ssizeargfunc)(PyObject *, Py_ssize_t); +intintargfunc = Signature("Tii", "O") # typedef PyObject *(*intintargfunc)(PyObject *, int, int); +ssizessizeargfunc = Signature("TZZ", "O") # typedef PyObject *(*ssizessizeargfunc)(PyObject *, Py_ssize_t, Py_ssize_t); +intobjargproc = Signature("TiO", 'r') # typedef int(*intobjargproc)(PyObject *, int, PyObject *); +ssizeobjargproc = Signature("TZO", 'r') # typedef int(*ssizeobjargproc)(PyObject *, Py_ssize_t, PyObject *); +intintobjargproc = Signature("TiiO", 'r') # typedef int(*intintobjargproc)(PyObject *, int, int, PyObject *); +ssizessizeobjargproc = Signature("TZZO", 'r') # typedef int(*ssizessizeobjargproc)(PyObject *, Py_ssize_t, Py_ssize_t, PyObject *); +intintargproc = Signature("Tii", 'r') +ssizessizeargproc = Signature("TZZ", 'r') +objargfunc = Signature("TO", "O") +objobjargproc = Signature("TOO", 'r') # typedef int (*objobjargproc)(PyObject *, PyObject *, PyObject *); +getreadbufferproc = Signature("TiP", 'i') # typedef int (*getreadbufferproc)(PyObject *, int, void **); +getwritebufferproc = Signature("TiP", 'i') # typedef int (*getwritebufferproc)(PyObject *, int, void **); +getsegcountproc = Signature("TI", 'i') # typedef int (*getsegcountproc)(PyObject *, int *); +getcharbufferproc = Signature("TiS", 'i') # typedef int (*getcharbufferproc)(PyObject *, int, const char **); +readbufferproc = Signature("TZP", "Z") # typedef Py_ssize_t (*readbufferproc)(PyObject *, Py_ssize_t, void **); +writebufferproc = Signature("TZP", "Z") # typedef Py_ssize_t (*writebufferproc)(PyObject *, Py_ssize_t, void **); +segcountproc = Signature("TZ", "Z") # typedef Py_ssize_t (*segcountproc)(PyObject *, Py_ssize_t *); +writebufferproc = Signature("TZS", "Z") # typedef Py_ssize_t (*charbufferproc)(PyObject *, Py_ssize_t, char **); +objargproc = Signature("TO", 'r') # typedef int (*objobjproc)(PyObject *, PyObject *); + # typedef int (*visitproc)(PyObject *, void *); + # typedef int (*traverseproc)(PyObject *, visitproc, void *); + +destructor = Signature("T", "v") # typedef void (*destructor)(PyObject *); +# printfunc = Signature("TFi", 'r') # typedef int (*printfunc)(PyObject *, FILE *, int); + # typedef PyObject *(*getattrfunc)(PyObject *, char *); +getattrofunc = Signature("TO", "O") # typedef PyObject *(*getattrofunc)(PyObject *, PyObject *); + # typedef int (*setattrfunc)(PyObject *, char *, PyObject *); +setattrofunc = Signature("TOO", 'r') # typedef int (*setattrofunc)(PyObject *, PyObject *, PyObject *); +delattrofunc = Signature("TO", 'r') +cmpfunc = Signature("TO", "i") # typedef int (*cmpfunc)(PyObject *, PyObject *); +reprfunc = Signature("T", "O") # typedef PyObject *(*reprfunc)(PyObject *); +hashfunc = Signature("T", "l") # typedef long (*hashfunc)(PyObject *); + # typedef PyObject *(*richcmpfunc) (PyObject *, PyObject *, int); +richcmpfunc = Signature("OOi", "O") # typedef PyObject *(*richcmpfunc) (PyObject *, PyObject *, int); +getiterfunc = Signature("T", "O") # typedef PyObject *(*getiterfunc) (PyObject *); +iternextfunc = Signature("T", "O") # typedef PyObject *(*iternextfunc) (PyObject *); +descrgetfunc = Signature("TOO", "O") # typedef PyObject *(*descrgetfunc) (PyObject *, PyObject *, PyObject *); +descrsetfunc = Signature("TOO", 'r') # typedef int (*descrsetfunc) (PyObject *, PyObject *, PyObject *); +descrdelfunc = Signature("TO", 'r') +initproc = Signature("T*", 'r') # typedef int (*initproc)(PyObject *, PyObject *, PyObject *); + # typedef PyObject *(*newfunc)(struct _typeobject *, PyObject *, PyObject *); + # typedef PyObject *(*allocfunc)(struct _typeobject *, int); + +#------------------------------------------------------------------------------------------ +# +# Signatures for accessor methods of properties. +# +#------------------------------------------------------------------------------------------ + +property_accessor_signatures = { + '__get__': Signature("T", "O"), + '__set__': Signature("TO", 'r'), + '__del__': Signature("T", 'r') +} + +#------------------------------------------------------------------------------------------ +# +# Descriptor tables for the slots of the various type object +# substructures, in the order they appear in the structure. +# +#------------------------------------------------------------------------------------------ + +PyNumberMethods = ( + MethodSlot(binaryfunc, "nb_add", "__add__"), + MethodSlot(binaryfunc, "nb_subtract", "__sub__"), + MethodSlot(binaryfunc, "nb_multiply", "__mul__"), + MethodSlot(binaryfunc, "nb_divide", "__div__"), + MethodSlot(binaryfunc, "nb_remainder", "__mod__"), + MethodSlot(binaryfunc, "nb_divmod", "__divmod__"), + MethodSlot(ternaryfunc, "nb_power", "__pow__"), + MethodSlot(unaryfunc, "nb_negative", "__neg__"), + MethodSlot(unaryfunc, "nb_positive", "__pos__"), + MethodSlot(unaryfunc, "nb_absolute", "__abs__"), + MethodSlot(inquiry, "nb_nonzero", "__nonzero__"), + MethodSlot(unaryfunc, "nb_invert", "__invert__"), + MethodSlot(binaryfunc, "nb_lshift", "__lshift__"), + MethodSlot(binaryfunc, "nb_rshift", "__rshift__"), + MethodSlot(binaryfunc, "nb_and", "__and__"), + MethodSlot(binaryfunc, "nb_xor", "__xor__"), + MethodSlot(binaryfunc, "nb_or", "__or__"), + EmptySlot("nb_coerce"), + MethodSlot(unaryfunc, "nb_int", "__int__"), + MethodSlot(unaryfunc, "nb_long", "__long__"), + MethodSlot(unaryfunc, "nb_float", "__float__"), + MethodSlot(unaryfunc, "nb_oct", "__oct__"), + MethodSlot(unaryfunc, "nb_hex", "__hex__"), + + # Added in release 2.0 + MethodSlot(ibinaryfunc, "nb_inplace_add", "__iadd__"), + MethodSlot(ibinaryfunc, "nb_inplace_subtract", "__isub__"), + MethodSlot(ibinaryfunc, "nb_inplace_multiply", "__imul__"), + MethodSlot(ibinaryfunc, "nb_inplace_divide", "__idiv__"), + MethodSlot(ibinaryfunc, "nb_inplace_remainder", "__imod__"), + MethodSlot(ternaryfunc, "nb_inplace_power", "__ipow__"), # NOT iternaryfunc!!! + MethodSlot(ibinaryfunc, "nb_inplace_lshift", "__ilshift__"), + MethodSlot(ibinaryfunc, "nb_inplace_rshift", "__irshift__"), + MethodSlot(ibinaryfunc, "nb_inplace_and", "__iand__"), + MethodSlot(ibinaryfunc, "nb_inplace_xor", "__ixor__"), + MethodSlot(ibinaryfunc, "nb_inplace_or", "__ior__"), + + # Added in release 2.2 + # The following require the Py_TPFLAGS_HAVE_CLASS flag + MethodSlot(binaryfunc, "nb_floor_divide", "__floordiv__"), + MethodSlot(binaryfunc, "nb_true_divide", "__truediv__"), + MethodSlot(ibinaryfunc, "nb_inplace_floor_divide", "__ifloordiv__"), + MethodSlot(ibinaryfunc, "nb_inplace_true_divide", "__itruediv__"), + MethodSlot(unaryfunc, "nb_index", "__index__", flag = "Py_TPFLAGS_HAVE_INDEX") +) + +PySequenceMethods = ( + MethodSlot(lenfunc, "sq_length", "__len__"), + EmptySlot("sq_concat"), # nb_add used instead + EmptySlot("sq_repeat"), # nb_multiply used instead + SyntheticSlot("sq_item", ["__getitem__"], "0"), #EmptySlot("sq_item"), # mp_subscript used instead + MethodSlot(ssizessizeargfunc, "sq_slice", "__getslice__"), + EmptySlot("sq_ass_item"), # mp_ass_subscript used instead + SyntheticSlot("sq_ass_slice", ["__setslice__", "__delslice__"], "0"), + MethodSlot(cmpfunc, "sq_contains", "__contains__"), + EmptySlot("sq_inplace_concat"), # nb_inplace_add used instead + EmptySlot("sq_inplace_repeat"), # nb_inplace_multiply used instead +) + +PyMappingMethods = ( + MethodSlot(lenfunc, "mp_length", "__len__"), + MethodSlot(objargfunc, "mp_subscript", "__getitem__"), + SyntheticSlot("mp_ass_subscript", ["__setitem__", "__delitem__"], "0"), +) + +PyBufferProcs = ( + MethodSlot(getreadbufferproc, "bf_getreadbuffer", "__getreadbuffer__"), + MethodSlot(getwritebufferproc, "bf_getwritebuffer", "__getwritebuffer__"), + MethodSlot(getsegcountproc, "bf_getsegcount", "__getsegcount__"), + MethodSlot(getcharbufferproc, "bf_getcharbuffer", "__getcharbuffer__"), +) + +#------------------------------------------------------------------------------------------ +# +# The main slot table. This table contains descriptors for all the +# top-level type slots, beginning with tp_dealloc, in the order they +# appear in the type object. +# +#------------------------------------------------------------------------------------------ + +slot_table = ( + InternalMethodSlot("tp_dealloc"), + EmptySlot("tp_print"), #MethodSlot(printfunc, "tp_print", "__print__"), + EmptySlot("tp_getattr"), + EmptySlot("tp_setattr"), + MethodSlot(cmpfunc, "tp_compare", "__cmp__"), + MethodSlot(reprfunc, "tp_repr", "__repr__"), + + SuiteSlot(PyNumberMethods, "PyNumberMethods", "tp_as_number"), + SuiteSlot(PySequenceMethods, "PySequenceMethods", "tp_as_sequence"), + SuiteSlot(PyMappingMethods, "PyMappingMethods", "tp_as_mapping"), + + MethodSlot(hashfunc, "tp_hash", "__hash__"), + MethodSlot(callfunc, "tp_call", "__call__"), + MethodSlot(reprfunc, "tp_str", "__str__"), + + SyntheticSlot("tp_getattro", ["__getattr__"], "0"), #"PyObject_GenericGetAttr"), + SyntheticSlot("tp_setattro", ["__setattr__", "__delattr__"], "0"), #"PyObject_GenericSetAttr"), + + SuiteSlot(PyBufferProcs, "PyBufferProcs", "tp_as_buffer"), + + TypeFlagsSlot("tp_flags"), + DocStringSlot("tp_doc"), + + PyAttrDependentSlot("tp_traverse"), + PyAttrDependentSlot("tp_clear"), + + # Later -- synthesize a method to split into separate ops? + MethodSlot(richcmpfunc, "tp_richcompare", "__richcmp__"), + + EmptySlot("tp_weaklistoffset"), + + MethodSlot(getiterfunc, "tp_iter", "__iter__"), + MethodSlot(iternextfunc, "tp_iternext", "__next__"), + + MethodTableSlot("tp_methods"), + MemberTableSlot("tp_members"), + GetSetSlot("tp_getset"), + + BaseClassSlot("tp_base"), #EmptySlot("tp_base"), + EmptySlot("tp_dict"), + + SyntheticSlot("tp_descr_get", ["__get__"], "0"), + SyntheticSlot("tp_descr_set", ["__set__", "__delete__"], "0"), + + EmptySlot("tp_dictoffset"), + + MethodSlot(initproc, "tp_init", "__init__"), + EmptySlot("tp_alloc"), #FixedSlot("tp_alloc", "PyType_GenericAlloc"), + InternalMethodSlot("tp_new"), + # Some versions of Python 2.2 inherit the wrong value for tp_free when the + # type has GC but the base type doesn't, so we explicitly set it ourselves + # in that case. + GCDependentSlot("tp_free", "0", "_PyObject_GC_Del", dynamic = 1), + + EmptySlot("tp_is_gc"), + EmptySlot("tp_bases"), + EmptySlot("tp_mro"), + EmptySlot("tp_cache"), + EmptySlot("tp_subclasses"), + EmptySlot("tp_weaklist"), +) + +#------------------------------------------------------------------------------------------ +# +# Descriptors for special methods which don't appear directly +# in the type object or its substructures. These methods are +# called from slot functions synthesized by Pyrex. +# +#------------------------------------------------------------------------------------------ + +MethodSlot(initproc, "", "__cinit__") +MethodSlot(destructor, "", "__dealloc__") +MethodSlot(objobjargproc, "", "__setitem__") +MethodSlot(objargproc, "", "__delitem__") +MethodSlot(ssizessizeobjargproc, "", "__setslice__") +MethodSlot(ssizessizeargproc, "", "__delslice__") +MethodSlot(getattrofunc, "", "__getattr__") +MethodSlot(setattrofunc, "", "__setattr__") +MethodSlot(delattrofunc, "", "__delattr__") +MethodSlot(descrgetfunc, "", "__get__") +MethodSlot(descrsetfunc, "", "__set__") +MethodSlot(descrdelfunc, "", "__delete__") |