def get_length(self, out_inst=None):
if not out_inst:
out_inst = CIntegerLL(None, self.v)
out_inst.declare_tmp(name="_len")
self.v.ctx.add(c.Assignment('=', c.ID(out_inst.name), c.FuncCall(c.ID('PyObject_Length'), c.ExprList(c.ID(self.name)))))
self.fail_if_negative(out_inst.name)
return out_inst
def add(self, val):
out = CIntegerLL(None, self.v)
out.declare_tmp(name='_set_add_rv')
self.v.ctx.add(c.Assignment('=', c.ID(out.name), c.FuncCall(c.ID('PySet_Add'), c.ExprList(
c.ID(self.name), c.ID(val.name)))))
self.fail_if_nonzero(out.name)
out.decref()
def sequence_del_slice(self, start, end, step):
if step is None:
tmp_inst = CIntegerLL(None, self.v)
tmp_inst.declare_tmp(name='_rv_slice')
if start is None: _start = c.Constant('integer', 0)
else: _start = c.ID(start.as_ssize().name)
if end is None: _end = c.Constant('integer', CIntegerLL.MAX)
else: _end = c.ID(end.as_ssize().name)
self.v.ctx.add(c.Assignment('=', c.ID(tmp_inst.name), c.FuncCall(c.ID('PySequence_DelSlice'),
c.ExprList(c.ID(self.name), _start, _end))))
self.fail_if_nonzero(tmp_inst.name)
tmp_inst.decref()
else:
slice_inst = PySliceLL(None, self.v)
slice_inst.declare_tmp(name='_slice')
if start is None: _start = self.v.none; _start.incref()
else: _start = start.as_pyobject()
if end is None: _end = self.v.none; _end.incref()
else: _end = end.as_pyobject()
_step = step.as_pyobject()
slice_inst.new(_start, _end, _step)
self.del_item(slice_inst)
slice_inst.decref()
def set_attr(self, attr, val):
tmp = CIntegerLL(None, self.v)
tmp.declare_tmp()
self.v.ctx.add(c.Assignment('=', c.ID(tmp.name), c.FuncCall(c.ID('PyObject_SetAttr'), c.ExprList(
c.ID(self.name), c.ID(attr.name), c.ID(val.name)))))
self.fail_if_nonzero(tmp.name)
tmp.decref()
def runner_intro(self):
'''Set the generator context on the TLS so that we can get to it from generators we call into.'''
self.v.ctx.add(c.Comment('cast args to PyObject**'))
self.args_name = self.v.scope.ctx.reserve_name('__args__', self.v.tu)
self.v.scope.ctx.add_variable(c.Decl(self.args_name, c.PtrDecl(c.PtrDecl(c.TypeDecl(self.args_name, c.IdentifierType('PyObject')))), init=c.ID('NULL')), False)
self.v.ctx.add(c.Assignment('=', c.ID(self.args_name), c.Cast(c.PtrDecl(PyObjectLL.typedecl()), c.ID('gen_args'))))
self.fail_if_null(self.args_name)
#NOTE: we should _not_ incref our __self__ or __gen__ since this function _is_ us -- if we keep this ref and don't
# fully drain, then we will never decref ourself and clean up the other references we're holding onto
self.v.ctx.add(c.Comment('get function instance'))
self.self_inst = PyObjectLL(None, self.v)
self.self_inst.declare_tmp(name='__self__')
self.v.ctx.add(c.Assignment('=', c.ID(self.self_inst.name), c.ArrayRef(c.ID(self.args_name), c.Constant('integer', self.SELF_INDEX))))
self.fail_if_null(self.self_inst.name)
self.v.ctx.add(c.Comment('get generator instance'))
self.gen_inst = PyObjectLL(None, self.v)
self.gen_inst.declare_tmp(name='__gen__')
self.v.ctx.add(c.Assignment('=', c.ID(self.gen_inst.name), c.ArrayRef(c.ID(self.args_name), c.Constant('integer', self.GENERATOR_INDEX))))
self.fail_if_null(self.gen_inst.name)
super().runner_intro()
self.v.ctx.add(c.Comment('mark us as in the generator'))
tmp = CIntegerLL(None, self.v)
tmp.declare_tmp()
self.v.ctx.add(c.Assignment('=', c.ID(tmp.name), c.FuncCall(c.ID('MpGenerator_EnterContext'), c.ExprList(c.ID(self.gen_inst.name)))))
self.fail_if_nonzero(tmp.name)
tmp.decref()
def sequence_contains(self, item):
out = CIntegerLL(None, self.v)
out.declare_tmp()
self.v.ctx.add(c.Assignment('=', c.ID(out.name), c.FuncCall(c.ID('PySequence_Contains'), c.ExprList(
c.ID(self.name), c.ID(item.name)))))
self.fail_if_negative(out.name)
return out
def sequence_set_slice(self, start, end, step, src_inst):
'''Assign a sequence into a sliced sequence.'''
# Case 0: no step means we can use the fast sequence SetSlice
if step is None:
tmp_inst = CIntegerLL(None, self.v)
tmp_inst.declare_tmp(name='_rv_slice')
if start is None: _start = c.Constant('integer', 0)
else: _start = c.ID(start.as_ssize().name)
if end is None: _end = c.Constant('integer', CIntegerLL.MAX)
else: _end = c.ID(end.as_ssize().name)
self.v.ctx.add(c.Assignment('=', c.ID(tmp_inst.name), c.FuncCall(c.ID('PySequence_SetSlice'),
c.ExprList(c.ID(self.name), _start, _end, c.ID(src_inst.name)))))
self.fail_if_negative(tmp_inst.name)
tmp_inst.decref()
else:
slice_inst = PySliceLL(None, self.v)
slice_inst.declare_tmp(name='_slice')
if start is None: _start = self.v.none; _start.incref()
else: _start = start.as_pyobject()
if end is None: _end = self.v.none; _end.incref()
else: _end = end.as_pyobject()
_step = step.as_pyobject()
slice_inst.new(_start, _end, _step)
self.set_item(slice_inst, src_inst)
slice_inst.decref()
def rich_compare_bool(self, rhs, opid):
out = CIntegerLL(None, self.v)
out.declare_tmp(name='_cmp')
self.v.ctx.add(c.Assignment('=', c.ID(out.name), c.FuncCall(c.ID('PyObject_RichCompareBool'), c.ExprList(
c.ID(self.name), c.ID(rhs.name), c.ID(opid)))))
self.fail_if_negative(out.name)
return out
def mapping_size(self, out_inst=None):
if not out_inst:
out_inst = CIntegerLL(None, self.v)
out_inst.declare_tmp(name='_size')
self.v.ctx.add(c.Assignment('=', c.ID(out_inst.name), c.FuncCall(c.ID('PyMapping_Size'), c.ExprList(c.ID(self.name)))))
self.fail_if_negative(out_inst.name)
return out_inst
def del_item(self, key):
out = CIntegerLL(None, self.v)
out.declare_tmp()
self.v.ctx.add(c.Assignment('=', c.ID(out.name), c.FuncCall(c.ID('PyObject_DelItem'), c.ExprList(
c.ID(self.name), c.ID(key.name)))))
self.fail_if_nonzero(out.name)
out.decref()
def del_attr_string(self, attrname):
tmp = CIntegerLL(None, self.v)
tmp.declare_tmp()
self.v.ctx.add(c.Assignment('=', c.ID(tmp.name), c.FuncCall(c.ID('PyObject_DelAttrString'), c.ExprList(
c.ID(self.name), c.Constant('string', attrname)))))
self.fail_if_nonzero(tmp.name)
tmp.decref()
def append(self, inst, out_inst=None):
if not out_inst:
out_inst = CIntegerLL(None, self.v)
out_inst.declare_tmp(name='_append_rv')
self.v.ctx.add(c.Assignment('=', c.ID(out_inst.name), c.FuncCall(c.ID('PyList_Append'), c.ExprList(c.ID(self.name), c.ID(inst.name)))))
self.fail_if_nonzero(out_inst.name)
return out_inst
def is_instance(self, type_type):
out = CIntegerLL(None, self.v)
out.declare_tmp()
self.v.ctx.add(c.Assignment('=', c.ID(out.name), c.FuncCall(c.ID('PyObject_IsInstance'), c.ExprList(
c.ID(self.name), c.Cast(PyObjectLL.typedecl(), c.UnaryOp('&', c.ID(type_type.typename())))))))
self.fail_if_negative(out.name)
return out
def as_ssize(self, out=None):
if not out:
out = CIntegerLL(None, self.v)
out.declare_tmp()
assert isinstance(out, CIntegerLL)
self.v.ctx.add(c.Assignment('=', c.ID(out.name), c.FuncCall(c.ID('PyNumber_AsSsize_t'), c.ExprList(c.ID(self.name), c.ID('PyExc_OverflowError')))))
self.fail_if_error_occurred()
return out
def is_true(self, out_inst=None):
if not out_inst:
out_inst = CIntegerLL(None, self.v)
out_inst.declare_tmp(name="_istrue_rv")
assert isinstance(out_inst, CIntegerLL)
self.v.ctx.add(c.Assignment('=', c.ID(out_inst.name), c.FuncCall(c.ID('PyObject_IsTrue'), c.ExprList(c.ID(self.name)))))
self.fail_if_negative(out_inst.name)
return out_inst
def set_attr_string(self, attrname, attrval):
tmp = CIntegerLL(None, self.v)
tmp.declare_tmp(name="_setattr_rv")
attrval = attrval.as_pyobject()
self.v.ctx.add(c.Assignment('=', c.ID(tmp.name), c.FuncCall(c.ID('PyObject_SetAttrString'), c.ExprList(
c.ID(self.name), c.Constant('string', attrname), c.ID(attrval.name)))))
self.fail_if_nonzero(tmp.name)
tmp.decref()
def set_item_string(self, name:str, var:PyObjectLL):
tmp = CIntegerLL(None, self.v)
tmp.declare_tmp(name='_set_str_rv')
var = var.as_pyobject()
#var.incref()
self.v.ctx.add(c.Assignment('=', c.ID(tmp.name), c.FuncCall(c.ID('PyDict_SetItemString'), c.ExprList(
c.ID(self.name), c.Constant('string', name), c.ID(var.name)))))
self.fail_if_nonzero(tmp.name)
tmp.decref()
def set_item(self, key:PyObjectLL, val:PyObjectLL):
tmp = CIntegerLL(None, self.v)
tmp.declare_tmp(name='_set_rv')
#key.incref()
#val.incref()
self.v.ctx.add(c.Assignment('=', c.ID(tmp.name), c.FuncCall(c.ID('PyDict_SetItem'), c.ExprList(
c.ID(self.name), c.ID(key.name), c.ID(val.name)))))
self.fail_if_nonzero(tmp.name)
tmp.decref()
def get_item(self, offset:CIntegerLL, out_inst=None):
if not isinstance(offset, CIntegerLL):
offset = offset.as_ssize()
if not out_inst:
out_inst = PyObjectLL(None, self.v)
out_inst.declare_tmp(name="_item")
self.v.ctx.add(c.Assignment('=', c.ID(out_inst.name), c.FuncCall(c.ID('PyTuple_GetItem'), c.ExprList(c.ID(self.name), c.ID(offset.name)))))
self.fail_if_null(out_inst.name)
out_inst.incref()
return out_inst
def update(self, other:PyObjectLL):
tmp = CIntegerLL(None, self.v)
tmp.declare_tmp(name='_update_rv')
self.v.ctx.add(c.Assignment('=', c.ID(tmp.name), c.FuncCall(c.ID('PyDict_Update'), c.ExprList(c.ID(self.name), c.ID(other.name)))))
self.fail_if_nonzero(tmp.name)
tmp.decref()
def del_item_string(self, name:str):
tmp = CIntegerLL(None, self.v)
tmp.declare_tmp(name='_del_rv')
self.v.ctx.add(c.Assignment('=', c.ID(tmp.name), c.FuncCall(c.ID('PyDict_DelItemString'), c.ExprList(c.ID(self.name), c.Constant('string', name)))))
self.fail_if_nonzero(tmp.name)
def is_(self, other):
out = CIntegerLL(None, self.v)
out.declare_tmp()
self.v.ctx.add(c.Assignment('=', c.ID(out.name), c.BinaryOp('==', c.ID(self.name), c.ID(other.name))))
return out
def get_length(self, out_inst=None):
if not out_inst:
out_inst = CIntegerLL(None, self.v)
out_inst.declare_tmp(name="_len")
self.v.ctx.add(c.Assignment('=', c.ID(out_inst.name), c.FuncCall(c.ID('PyList_Size'), c.ExprList(c.ID(self.name)))))
return out_inst
def stub_load_args(self, args, defaults, vararg, kwonlyargs, kw_defaults, kwarg):
self.stub_arg_insts = []
# get args ref
args_tuple = self.stub_args_tuple
kwargs_dict = self.stub_kwargs_dict
# get copy of kwargs -- clear items out of it as we load them, or skip entirely
if kwarg:
if_have_kwargs = self.v.ctx.add(c.If(c.ID(kwargs_dict.name), c.Compound(), c.Compound()))
with self.v.new_context(if_have_kwargs.iftrue):
kwargs_inst = kwargs_dict.copy()
with self.v.new_context(if_have_kwargs.iffalse):
kwargs_dict.new()
kwargs_inst = kwargs_dict
else:
kwargs_inst = None
# load positional and normal keyword args
if args:
c_args_size = CIntegerLL(None, self.v)
c_args_size.declare_tmp(name='_args_size')
args_tuple.get_size_unchecked(c_args_size)
arg_insts = [None] * len(args)
for i, arg in enumerate(args):
# Note: different scope than the actual args are declared in.. need to stub them out here
#TODO: make this type pull from the arg.arg.hl.get_type() through lookup... maybe create dup_ll_type or something
arg_insts[i] = PyObjectLL(arg.arg.hl, self.v)
arg_insts[i].declare()
# query if in positional args
self.v.ctx.add(c.Comment("Grab arg {}".format(str(arg.arg))))
query_inst = self.v.ctx.add(c.If(c.BinaryOp('>', c.ID(c_args_size.name), c.Constant('integer', i)), c.Compound(), c.Compound()))
## get the positional arg on the true side
with self.v.new_context(query_inst.iftrue):
args_tuple.get_unchecked(i, arg_insts[i])
## get the keyword arg on the false side
with self.v.new_context(query_inst.iffalse):
have_kwarg = self.v.ctx.add(c.If(c.ID('kwargs'), c.Compound(), None))
### if we took kwargs, then get it directly
with self.v.new_context(have_kwarg.iftrue):
kwargs_dict.get_item_string_nofail(str(arg.arg), arg_insts[i])
### if no kwargs passed or the item was not in the kwargs, load the default from defaults
query_default_inst = self.v.ctx.add(c.If(c.UnaryOp('!', c.ID(arg_insts[i].name)), c.Compound(), c.Compound()))
with self.v.new_context(query_default_inst.iftrue):
kwstartoffset = len(args) - len(defaults)
if i >= kwstartoffset:
# try loading from defaults
default_offset = i - kwstartoffset
tmp = PyTupleLL(None, self.v)
tmp.declare_tmp()
self.c_obj.get_attr_string('__defaults__', tmp)
#self.v.ctx.add(c.Assignment('=', c.ID(tmp.name),
# c.FuncCall(c.ID('PyObject_GetAttrString'), c.ExprList(c.ID(self.c_obj.name), c.Constant('string', '__defaults__')))))
#
tmp.get_unchecked(default_offset, arg_insts[i])
#self.v.ctx.add(c.Assignment('=', c.ID(arg_insts[i].name),
# c.FuncCall(c.ID('PyTuple_GetItem'), c.ExprList(c.ID(tmp.name), c.Constant('integer', default_offset)))))
arg_insts[i].incref()
tmp.decref()
#self.v.ctx.add(c.FuncCall(c.ID('Py_INCREF'), c.ID(arg_insts[i].name)))
else:
# emit an error for an unpassed arg
with self.v.new_context(query_default_inst.iftrue):
self.fail('PyExc_TypeError', 'Missing arg {}'.format(str(arg)))
### if we did get the item out of the kwargs, delete it from the inst copy so it's not duped in the args we pass
with self.v.new_context(query_default_inst.iffalse):
if kwargs_inst:
kwargs_inst.del_item_string(str(arg.arg))
self.stub_arg_insts.extend(arg_insts)
# add unused args to varargs and pass if in taken args or error if not
if vararg:
self.v.ctx.add(c.Comment('load varargs'))
vararg_inst = args_tuple.get_slice(len(args), args_tuple.get_length())
self.stub_arg_insts.append(vararg_inst)
else:
len_inst = args_tuple.get_length()
ifstmt = self.v.ctx.add(c.If(c.BinaryOp('>', c.ID(len_inst.name), c.Constant('integer', len(args))), c.Compound(), None))
with self.v.new_context(ifstmt.iftrue):
self.fail_formatted('PyExc_TypeError', "{}() takes exactly {} positional arguments (%d given)".format(self.hlnode.owner.name, len(args)), len_inst)
# load all keyword only args
if kwonlyargs:
kwarg_insts = [None] * len(kwonlyargs)
for i, arg in enumerate(kwonlyargs):
kwarg_insts[i] = PyObjectLL(arg.arg.hl, self.v)
kwarg_insts[i].declare()
# ensure we have kwargs at all
have_kwarg = self.v.ctx.add(c.If(c.ID('kwargs'), c.Compound(), c.Compound()))
## in have_kwarg.iftrue, load all kwargs from the kwargs dict
with self.v.new_context(have_kwarg.iftrue):
for i, arg in enumerate(kwonlyargs):
#FIXME: we can make this significantly more efficient with a bit of work
kwargs_dict.get_item_string_nofail(str(arg.arg), kwarg_insts[i])
need_default = self.v.ctx.add(c.If(c.UnaryOp('!', c.ID(kwarg_insts[i].name)), c.Compound(), None))
### not found in kwdict, means we need to load from default
with self.v.new_context(need_default.iftrue):
kwdefaults0 = PyDictLL(None, self.v)
kwdefaults0.declare_tmp(name='_kwdefaults')
self.c_obj.get_attr_string('__kwdefaults__', kwdefaults0)
kwdefaults0.get_item_string(str(arg.arg), kwarg_insts[i])
kwdefaults0.decref()
### found in kwdict, means we need to delete from kwdict to avoid passing duplicate arg in kwargs
if kwargs_inst:
need_default.iffalse = c.Compound()
with self.v.new_context(need_default.iffalse):
kwargs_inst.del_item_string(str(arg.arg))
## if have_kwarg.iffalse, need to load from the kwdefaults dict
#TODO: this is identical to the failure case from above
with self.v.new_context(have_kwarg.iffalse):
kwdefaults1 = PyDictLL(None, self.v)
kwdefaults1.declare_tmp(name='_kwdefaults')
self.c_obj.get_attr_string('__kwdefaults__', kwdefaults1)
for i, arg in enumerate(kwonlyargs):
#have_kwarg.iffalse.add(c.Assignment('=', c.ID(kwdefaults1.name),
# c.FuncCall(c.ID('PyObject_GetAttrString'), c.ExprList(c.ID(self.c_obj.name), c.Constant('string', '__kwdefaults__')))))
kwdefaults1.get_item_string(str(arg.arg), kwarg_insts[i])
#have_kwarg.iffalse.add(c.Assignment('=', c.ID(kwarg_insts[i].name),
# c.FuncCall(c.ID('PyDict_GetItemString'), c.ExprList(c.ID(kwdefaults1.name), c.Constant('string', str(arg.arg))))))
#self.fail_if_null(kwarg_insts[i].name)
kwdefaults1.decref()
self.stub_arg_insts.extend(kwarg_insts)
# pass remainder of kwargs dict in as the kwarg slot
if kwarg:
self.stub_arg_insts.append(kwargs_inst)
'''
