450 lines
22 KiB
Python
450 lines
22 KiB
Python
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#
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# Builtin Definitions
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#
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from __future__ import absolute_import
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from .Symtab import BuiltinScope, StructOrUnionScope
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from .Code import UtilityCode
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from .TypeSlots import Signature
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from . import PyrexTypes
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from . import Options
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# C-level implementations of builtin types, functions and methods
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iter_next_utility_code = UtilityCode.load("IterNext", "ObjectHandling.c")
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getattr_utility_code = UtilityCode.load("GetAttr", "ObjectHandling.c")
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getattr3_utility_code = UtilityCode.load("GetAttr3", "Builtins.c")
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pyexec_utility_code = UtilityCode.load("PyExec", "Builtins.c")
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pyexec_globals_utility_code = UtilityCode.load("PyExecGlobals", "Builtins.c")
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globals_utility_code = UtilityCode.load("Globals", "Builtins.c")
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builtin_utility_code = {
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'StopAsyncIteration': UtilityCode.load_cached("StopAsyncIteration", "Coroutine.c"),
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}
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# mapping from builtins to their C-level equivalents
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class _BuiltinOverride(object):
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def __init__(self, py_name, args, ret_type, cname, py_equiv="*",
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utility_code=None, sig=None, func_type=None,
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is_strict_signature=False, builtin_return_type=None):
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self.py_name, self.cname, self.py_equiv = py_name, cname, py_equiv
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self.args, self.ret_type = args, ret_type
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self.func_type, self.sig = func_type, sig
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self.builtin_return_type = builtin_return_type
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self.is_strict_signature = is_strict_signature
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self.utility_code = utility_code
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def build_func_type(self, sig=None, self_arg=None):
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if sig is None:
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sig = Signature(self.args, self.ret_type)
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sig.exception_check = False # not needed for the current builtins
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func_type = sig.function_type(self_arg)
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if self.is_strict_signature:
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func_type.is_strict_signature = True
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if self.builtin_return_type:
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func_type.return_type = builtin_types[self.builtin_return_type]
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return func_type
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class BuiltinAttribute(object):
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def __init__(self, py_name, cname=None, field_type=None, field_type_name=None):
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self.py_name = py_name
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self.cname = cname or py_name
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self.field_type_name = field_type_name # can't do the lookup before the type is declared!
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self.field_type = field_type
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def declare_in_type(self, self_type):
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if self.field_type_name is not None:
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# lazy type lookup
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field_type = builtin_scope.lookup(self.field_type_name).type
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else:
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field_type = self.field_type or PyrexTypes.py_object_type
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entry = self_type.scope.declare(self.py_name, self.cname, field_type, None, 'private')
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entry.is_variable = True
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class BuiltinFunction(_BuiltinOverride):
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def declare_in_scope(self, scope):
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func_type, sig = self.func_type, self.sig
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if func_type is None:
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func_type = self.build_func_type(sig)
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scope.declare_builtin_cfunction(self.py_name, func_type, self.cname,
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self.py_equiv, self.utility_code)
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class BuiltinMethod(_BuiltinOverride):
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def declare_in_type(self, self_type):
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method_type, sig = self.func_type, self.sig
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if method_type is None:
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# override 'self' type (first argument)
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self_arg = PyrexTypes.CFuncTypeArg("", self_type, None)
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self_arg.not_none = True
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self_arg.accept_builtin_subtypes = True
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method_type = self.build_func_type(sig, self_arg)
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self_type.scope.declare_builtin_cfunction(
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self.py_name, method_type, self.cname, utility_code=self.utility_code)
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builtin_function_table = [
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# name, args, return, C API func, py equiv = "*"
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BuiltinFunction('abs', "d", "d", "fabs",
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is_strict_signature = True),
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BuiltinFunction('abs', "f", "f", "fabsf",
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is_strict_signature = True),
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BuiltinFunction('abs', "i", "i", "abs",
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is_strict_signature = True),
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BuiltinFunction('abs', "l", "l", "labs",
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is_strict_signature = True),
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BuiltinFunction('abs', None, None, "__Pyx_abs_longlong",
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utility_code = UtilityCode.load("abs_longlong", "Builtins.c"),
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func_type = PyrexTypes.CFuncType(
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PyrexTypes.c_longlong_type, [
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PyrexTypes.CFuncTypeArg("arg", PyrexTypes.c_longlong_type, None)
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],
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is_strict_signature = True, nogil=True)),
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] + list(
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BuiltinFunction('abs', None, None, "/*abs_{0}*/".format(t.specialization_name()),
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func_type = PyrexTypes.CFuncType(
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t,
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[PyrexTypes.CFuncTypeArg("arg", t, None)],
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is_strict_signature = True, nogil=True))
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for t in (PyrexTypes.c_uint_type, PyrexTypes.c_ulong_type, PyrexTypes.c_ulonglong_type)
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) + list(
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BuiltinFunction('abs', None, None, "__Pyx_c_abs{0}".format(t.funcsuffix),
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func_type = PyrexTypes.CFuncType(
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t.real_type, [
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PyrexTypes.CFuncTypeArg("arg", t, None)
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],
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is_strict_signature = True, nogil=True))
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for t in (PyrexTypes.c_float_complex_type,
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PyrexTypes.c_double_complex_type,
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PyrexTypes.c_longdouble_complex_type)
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) + [
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BuiltinFunction('abs', "O", "O", "__Pyx_PyNumber_Absolute",
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utility_code=UtilityCode.load("py_abs", "Builtins.c")),
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#('all', "", "", ""),
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#('any', "", "", ""),
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#('ascii', "", "", ""),
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#('bin', "", "", ""),
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BuiltinFunction('callable', "O", "b", "__Pyx_PyCallable_Check",
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utility_code = UtilityCode.load("CallableCheck", "ObjectHandling.c")),
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#('chr', "", "", ""),
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#('cmp', "", "", "", ""), # int PyObject_Cmp(PyObject *o1, PyObject *o2, int *result)
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#('compile', "", "", ""), # PyObject* Py_CompileString( char *str, char *filename, int start)
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BuiltinFunction('delattr', "OO", "r", "PyObject_DelAttr"),
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BuiltinFunction('dir', "O", "O", "PyObject_Dir"),
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BuiltinFunction('divmod', "OO", "O", "PyNumber_Divmod"),
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BuiltinFunction('exec', "O", "O", "__Pyx_PyExecGlobals",
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utility_code = pyexec_globals_utility_code),
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BuiltinFunction('exec', "OO", "O", "__Pyx_PyExec2",
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utility_code = pyexec_utility_code),
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BuiltinFunction('exec', "OOO", "O", "__Pyx_PyExec3",
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utility_code = pyexec_utility_code),
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#('eval', "", "", ""),
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#('execfile', "", "", ""),
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#('filter', "", "", ""),
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BuiltinFunction('getattr3', "OOO", "O", "__Pyx_GetAttr3", "getattr",
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utility_code=getattr3_utility_code), # Pyrex legacy
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BuiltinFunction('getattr', "OOO", "O", "__Pyx_GetAttr3",
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utility_code=getattr3_utility_code),
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BuiltinFunction('getattr', "OO", "O", "__Pyx_GetAttr",
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utility_code=getattr_utility_code),
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BuiltinFunction('hasattr', "OO", "b", "__Pyx_HasAttr",
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utility_code = UtilityCode.load("HasAttr", "Builtins.c")),
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BuiltinFunction('hash', "O", "h", "PyObject_Hash"),
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#('hex', "", "", ""),
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#('id', "", "", ""),
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#('input', "", "", ""),
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BuiltinFunction('intern', "O", "O", "__Pyx_Intern",
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utility_code = UtilityCode.load("Intern", "Builtins.c")),
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BuiltinFunction('isinstance', "OO", "b", "PyObject_IsInstance"),
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BuiltinFunction('issubclass', "OO", "b", "PyObject_IsSubclass"),
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BuiltinFunction('iter', "OO", "O", "PyCallIter_New"),
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BuiltinFunction('iter', "O", "O", "PyObject_GetIter"),
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BuiltinFunction('len', "O", "z", "PyObject_Length"),
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BuiltinFunction('locals', "", "O", "__pyx_locals"),
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#('map', "", "", ""),
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#('max', "", "", ""),
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#('min', "", "", ""),
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BuiltinFunction('next', "O", "O", "__Pyx_PyIter_Next",
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utility_code = iter_next_utility_code), # not available in Py2 => implemented here
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BuiltinFunction('next', "OO", "O", "__Pyx_PyIter_Next2",
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utility_code = iter_next_utility_code), # not available in Py2 => implemented here
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#('oct', "", "", ""),
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#('open', "ss", "O", "PyFile_FromString"), # not in Py3
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] + [
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BuiltinFunction('ord', None, None, "__Pyx_long_cast",
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func_type=PyrexTypes.CFuncType(
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PyrexTypes.c_long_type, [PyrexTypes.CFuncTypeArg("c", c_type, None)],
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is_strict_signature=True))
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for c_type in [PyrexTypes.c_py_ucs4_type, PyrexTypes.c_py_unicode_type]
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] + [
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BuiltinFunction('ord', None, None, "__Pyx_uchar_cast",
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func_type=PyrexTypes.CFuncType(
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PyrexTypes.c_uchar_type, [PyrexTypes.CFuncTypeArg("c", c_type, None)],
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is_strict_signature=True))
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for c_type in [PyrexTypes.c_char_type, PyrexTypes.c_schar_type, PyrexTypes.c_uchar_type]
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] + [
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BuiltinFunction('ord', None, None, "__Pyx_PyObject_Ord",
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utility_code=UtilityCode.load_cached("object_ord", "Builtins.c"),
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func_type=PyrexTypes.CFuncType(
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PyrexTypes.c_long_type, [
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PyrexTypes.CFuncTypeArg("c", PyrexTypes.py_object_type, None)
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],
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exception_value="(long)(Py_UCS4)-1")),
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BuiltinFunction('pow', "OOO", "O", "PyNumber_Power"),
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BuiltinFunction('pow', "OO", "O", "__Pyx_PyNumber_Power2",
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utility_code = UtilityCode.load("pow2", "Builtins.c")),
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#('range', "", "", ""),
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#('raw_input', "", "", ""),
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#('reduce', "", "", ""),
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BuiltinFunction('reload', "O", "O", "PyImport_ReloadModule"),
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BuiltinFunction('repr', "O", "O", "PyObject_Repr", builtin_return_type='str'),
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#('round', "", "", ""),
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BuiltinFunction('setattr', "OOO", "r", "PyObject_SetAttr"),
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#('sum', "", "", ""),
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#('sorted', "", "", ""),
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#('type', "O", "O", "PyObject_Type"),
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#('unichr', "", "", ""),
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#('unicode', "", "", ""),
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#('vars', "", "", ""),
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#('zip', "", "", ""),
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# Can't do these easily until we have builtin type entries.
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#('typecheck', "OO", "i", "PyObject_TypeCheck", False),
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#('issubtype', "OO", "i", "PyType_IsSubtype", False),
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# Put in namespace append optimization.
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BuiltinFunction('__Pyx_PyObject_Append', "OO", "O", "__Pyx_PyObject_Append"),
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# This is conditionally looked up based on a compiler directive.
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BuiltinFunction('__Pyx_Globals', "", "O", "__Pyx_Globals",
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utility_code=globals_utility_code),
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]
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# Builtin types
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# bool
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# buffer
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# classmethod
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# dict
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# enumerate
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# file
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# float
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# int
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# list
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# long
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# object
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# property
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# slice
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# staticmethod
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# super
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# str
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# tuple
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# type
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# xrange
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builtin_types_table = [
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("type", "PyType_Type", []),
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# This conflicts with the C++ bool type, and unfortunately
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# C++ is too liberal about PyObject* <-> bool conversions,
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# resulting in unintuitive runtime behavior and segfaults.
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# ("bool", "PyBool_Type", []),
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("int", "PyInt_Type", []),
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("long", "PyLong_Type", []),
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("float", "PyFloat_Type", []),
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("complex", "PyComplex_Type", [BuiltinAttribute('cval', field_type_name = 'Py_complex'),
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BuiltinAttribute('real', 'cval.real', field_type = PyrexTypes.c_double_type),
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BuiltinAttribute('imag', 'cval.imag', field_type = PyrexTypes.c_double_type),
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]),
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("basestring", "PyBaseString_Type", [
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BuiltinMethod("join", "TO", "T", "__Pyx_PyBaseString_Join",
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utility_code=UtilityCode.load("StringJoin", "StringTools.c")),
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]),
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("bytearray", "PyByteArray_Type", [
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]),
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("bytes", "PyBytes_Type", [BuiltinMethod("__contains__", "TO", "b", "PySequence_Contains"),
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BuiltinMethod("join", "TO", "O", "__Pyx_PyBytes_Join",
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utility_code=UtilityCode.load("StringJoin", "StringTools.c")),
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]),
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("str", "PyString_Type", [BuiltinMethod("__contains__", "TO", "b", "PySequence_Contains"),
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BuiltinMethod("join", "TO", "O", "__Pyx_PyString_Join",
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builtin_return_type='basestring',
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utility_code=UtilityCode.load("StringJoin", "StringTools.c")),
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]),
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("unicode", "PyUnicode_Type", [BuiltinMethod("__contains__", "TO", "b", "PyUnicode_Contains"),
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BuiltinMethod("join", "TO", "T", "PyUnicode_Join"),
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]),
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("tuple", "PyTuple_Type", [BuiltinMethod("__contains__", "TO", "b", "PySequence_Contains"),
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]),
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("list", "PyList_Type", [BuiltinMethod("__contains__", "TO", "b", "PySequence_Contains"),
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BuiltinMethod("insert", "TzO", "r", "PyList_Insert"),
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BuiltinMethod("reverse", "T", "r", "PyList_Reverse"),
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BuiltinMethod("append", "TO", "r", "__Pyx_PyList_Append",
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utility_code=UtilityCode.load("ListAppend", "Optimize.c")),
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BuiltinMethod("extend", "TO", "r", "__Pyx_PyList_Extend",
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utility_code=UtilityCode.load("ListExtend", "Optimize.c")),
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]),
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("dict", "PyDict_Type", [BuiltinMethod("__contains__", "TO", "b", "PyDict_Contains"),
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BuiltinMethod("has_key", "TO", "b", "PyDict_Contains"),
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BuiltinMethod("items", "T", "O", "__Pyx_PyDict_Items",
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utility_code=UtilityCode.load("py_dict_items", "Builtins.c")),
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BuiltinMethod("keys", "T", "O", "__Pyx_PyDict_Keys",
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utility_code=UtilityCode.load("py_dict_keys", "Builtins.c")),
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BuiltinMethod("values", "T", "O", "__Pyx_PyDict_Values",
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utility_code=UtilityCode.load("py_dict_values", "Builtins.c")),
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BuiltinMethod("iteritems", "T", "O", "__Pyx_PyDict_IterItems",
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|
utility_code=UtilityCode.load("py_dict_iteritems", "Builtins.c")),
|
||
|
|
BuiltinMethod("iterkeys", "T", "O", "__Pyx_PyDict_IterKeys",
|
||
|
|
utility_code=UtilityCode.load("py_dict_iterkeys", "Builtins.c")),
|
||
|
|
BuiltinMethod("itervalues", "T", "O", "__Pyx_PyDict_IterValues",
|
||
|
|
utility_code=UtilityCode.load("py_dict_itervalues", "Builtins.c")),
|
||
|
|
BuiltinMethod("viewitems", "T", "O", "__Pyx_PyDict_ViewItems",
|
||
|
|
utility_code=UtilityCode.load("py_dict_viewitems", "Builtins.c")),
|
||
|
|
BuiltinMethod("viewkeys", "T", "O", "__Pyx_PyDict_ViewKeys",
|
||
|
|
utility_code=UtilityCode.load("py_dict_viewkeys", "Builtins.c")),
|
||
|
|
BuiltinMethod("viewvalues", "T", "O", "__Pyx_PyDict_ViewValues",
|
||
|
|
utility_code=UtilityCode.load("py_dict_viewvalues", "Builtins.c")),
|
||
|
|
BuiltinMethod("clear", "T", "r", "__Pyx_PyDict_Clear",
|
||
|
|
utility_code=UtilityCode.load("py_dict_clear", "Optimize.c")),
|
||
|
|
BuiltinMethod("copy", "T", "T", "PyDict_Copy")]),
|
||
|
|
|
||
|
|
("slice", "PySlice_Type", [BuiltinAttribute('start'),
|
||
|
|
BuiltinAttribute('stop'),
|
||
|
|
BuiltinAttribute('step'),
|
||
|
|
]),
|
||
|
|
# ("file", "PyFile_Type", []), # not in Py3
|
||
|
|
|
||
|
|
("set", "PySet_Type", [BuiltinMethod("__contains__", "TO", "b", "PySequence_Contains"),
|
||
|
|
BuiltinMethod("clear", "T", "r", "PySet_Clear"),
|
||
|
|
# discard() and remove() have a special treatment for unhashable values
|
||
|
|
BuiltinMethod("discard", "TO", "r", "__Pyx_PySet_Discard",
|
||
|
|
utility_code=UtilityCode.load("py_set_discard", "Optimize.c")),
|
||
|
|
BuiltinMethod("remove", "TO", "r", "__Pyx_PySet_Remove",
|
||
|
|
utility_code=UtilityCode.load("py_set_remove", "Optimize.c")),
|
||
|
|
# update is actually variadic (see Github issue #1645)
|
||
|
|
# BuiltinMethod("update", "TO", "r", "__Pyx_PySet_Update",
|
||
|
|
# utility_code=UtilityCode.load_cached("PySet_Update", "Builtins.c")),
|
||
|
|
BuiltinMethod("add", "TO", "r", "PySet_Add"),
|
||
|
|
BuiltinMethod("pop", "T", "O", "PySet_Pop")]),
|
||
|
|
("frozenset", "PyFrozenSet_Type", []),
|
||
|
|
("Exception", "((PyTypeObject*)PyExc_Exception)[0]", []),
|
||
|
|
("StopAsyncIteration", "((PyTypeObject*)__Pyx_PyExc_StopAsyncIteration)[0]", []),
|
||
|
|
]
|
||
|
|
|
||
|
|
|
||
|
|
types_that_construct_their_instance = set([
|
||
|
|
# some builtin types do not always return an instance of
|
||
|
|
# themselves - these do:
|
||
|
|
'type', 'bool', 'long', 'float', 'complex',
|
||
|
|
'bytes', 'unicode', 'bytearray',
|
||
|
|
'tuple', 'list', 'dict', 'set', 'frozenset'
|
||
|
|
# 'str', # only in Py3.x
|
||
|
|
# 'file', # only in Py2.x
|
||
|
|
])
|
||
|
|
|
||
|
|
|
||
|
|
builtin_structs_table = [
|
||
|
|
('Py_buffer', 'Py_buffer',
|
||
|
|
[("buf", PyrexTypes.c_void_ptr_type),
|
||
|
|
("obj", PyrexTypes.py_object_type),
|
||
|
|
("len", PyrexTypes.c_py_ssize_t_type),
|
||
|
|
("itemsize", PyrexTypes.c_py_ssize_t_type),
|
||
|
|
("readonly", PyrexTypes.c_bint_type),
|
||
|
|
("ndim", PyrexTypes.c_int_type),
|
||
|
|
("format", PyrexTypes.c_char_ptr_type),
|
||
|
|
("shape", PyrexTypes.c_py_ssize_t_ptr_type),
|
||
|
|
("strides", PyrexTypes.c_py_ssize_t_ptr_type),
|
||
|
|
("suboffsets", PyrexTypes.c_py_ssize_t_ptr_type),
|
||
|
|
("smalltable", PyrexTypes.CArrayType(PyrexTypes.c_py_ssize_t_type, 2)),
|
||
|
|
("internal", PyrexTypes.c_void_ptr_type),
|
||
|
|
]),
|
||
|
|
('Py_complex', 'Py_complex',
|
||
|
|
[('real', PyrexTypes.c_double_type),
|
||
|
|
('imag', PyrexTypes.c_double_type),
|
||
|
|
])
|
||
|
|
]
|
||
|
|
|
||
|
|
# set up builtin scope
|
||
|
|
|
||
|
|
builtin_scope = BuiltinScope()
|
||
|
|
|
||
|
|
def init_builtin_funcs():
|
||
|
|
for bf in builtin_function_table:
|
||
|
|
bf.declare_in_scope(builtin_scope)
|
||
|
|
|
||
|
|
builtin_types = {}
|
||
|
|
|
||
|
|
def init_builtin_types():
|
||
|
|
global builtin_types
|
||
|
|
for name, cname, methods in builtin_types_table:
|
||
|
|
utility = builtin_utility_code.get(name)
|
||
|
|
if name == 'frozenset':
|
||
|
|
objstruct_cname = 'PySetObject'
|
||
|
|
elif name == 'bytearray':
|
||
|
|
objstruct_cname = 'PyByteArrayObject'
|
||
|
|
elif name == 'bool':
|
||
|
|
objstruct_cname = None
|
||
|
|
elif name == 'Exception':
|
||
|
|
objstruct_cname = "PyBaseExceptionObject"
|
||
|
|
elif name == 'StopAsyncIteration':
|
||
|
|
objstruct_cname = "PyBaseExceptionObject"
|
||
|
|
else:
|
||
|
|
objstruct_cname = 'Py%sObject' % name.capitalize()
|
||
|
|
the_type = builtin_scope.declare_builtin_type(name, cname, utility, objstruct_cname)
|
||
|
|
builtin_types[name] = the_type
|
||
|
|
for method in methods:
|
||
|
|
method.declare_in_type(the_type)
|
||
|
|
|
||
|
|
def init_builtin_structs():
|
||
|
|
for name, cname, attribute_types in builtin_structs_table:
|
||
|
|
scope = StructOrUnionScope(name)
|
||
|
|
for attribute_name, attribute_type in attribute_types:
|
||
|
|
scope.declare_var(attribute_name, attribute_type, None,
|
||
|
|
attribute_name, allow_pyobject=True)
|
||
|
|
builtin_scope.declare_struct_or_union(
|
||
|
|
name, "struct", scope, 1, None, cname = cname)
|
||
|
|
|
||
|
|
|
||
|
|
def init_builtins():
|
||
|
|
init_builtin_structs()
|
||
|
|
init_builtin_types()
|
||
|
|
init_builtin_funcs()
|
||
|
|
|
||
|
|
builtin_scope.declare_var(
|
||
|
|
'__debug__', PyrexTypes.c_const_type(PyrexTypes.c_bint_type),
|
||
|
|
pos=None, cname='(!Py_OptimizeFlag)', is_cdef=True)
|
||
|
|
|
||
|
|
global list_type, tuple_type, dict_type, set_type, frozenset_type
|
||
|
|
global bytes_type, str_type, unicode_type, basestring_type, slice_type
|
||
|
|
global float_type, bool_type, type_type, complex_type, bytearray_type
|
||
|
|
type_type = builtin_scope.lookup('type').type
|
||
|
|
list_type = builtin_scope.lookup('list').type
|
||
|
|
tuple_type = builtin_scope.lookup('tuple').type
|
||
|
|
dict_type = builtin_scope.lookup('dict').type
|
||
|
|
set_type = builtin_scope.lookup('set').type
|
||
|
|
frozenset_type = builtin_scope.lookup('frozenset').type
|
||
|
|
slice_type = builtin_scope.lookup('slice').type
|
||
|
|
bytes_type = builtin_scope.lookup('bytes').type
|
||
|
|
str_type = builtin_scope.lookup('str').type
|
||
|
|
unicode_type = builtin_scope.lookup('unicode').type
|
||
|
|
basestring_type = builtin_scope.lookup('basestring').type
|
||
|
|
bytearray_type = builtin_scope.lookup('bytearray').type
|
||
|
|
float_type = builtin_scope.lookup('float').type
|
||
|
|
bool_type = builtin_scope.lookup('bool').type
|
||
|
|
complex_type = builtin_scope.lookup('complex').type
|
||
|
|
|
||
|
|
|
||
|
|
init_builtins()
|