def str(self, out_inst=None):
'''Convert to a string.'''
if not out_inst:
out_inst = PyStringLL(None, self.v)
out_inst.declare_tmp(name="_str")
self.v.ctx.add(c.Assignment('=', c.ID(out_inst.name), c.FuncCall(c.ID('PyObject_Str'), c.ExprList(c.ID(self.name)))))
self.fail_if_null(out_inst.name)
return out_inst
def transfer_to_runnerfunc(self, args, vararg, kwonlyargs, kwarg):
## PyObject **tmp = calloc(sizeof(PyObject*), <len(args)> + 2)
#0: set to the function object
#1: set to the generator object itself
#2: used as a slot to communicate a yielded value
#3+: args in canonical order
argsname = self.v.scope.ctx.reserve_name('gen_argslist', self.v.tu)
decl = c.Decl(argsname, c.PtrDecl(PyObjectLL.typedecl()), init=c.ID('NULL'))
self.v.scope.ctx.add_variable(decl, False)
self.v.ctx.add(c.Assignment('=', c.ID(argsname),
c.FuncCall(c.ID('calloc'), c.ExprList(c.Constant('integer', self.N_EXTRA_PARAMS + len(self.stub_arg_insts)),
c.FuncCall(c.ID('sizeof'), c.ExprList(PyObjectLL.typedecl()))))))
self.fail_if_null(argsname)
self.v.ctx.add(c.Assignment('=', c.ArrayRef(c.ID(argsname), c.Constant('integer', self.SELF_INDEX)), c.ID('self')))
self.v.ctx.add(c.Assignment('=', c.ArrayRef(c.ID(argsname), c.Constant('integer', self.GENERATOR_INDEX)), c.ID('NULL')))
self.v.ctx.add(c.Assignment('=', c.ArrayRef(c.ID(argsname), c.Constant('integer', self.RETURN_INDEX)), c.ID('NULL')))
for i, arg_inst in enumerate(self.stub_arg_insts, self.ARGS_INDEX):
self.v.ctx.add(c.Assignment('=', c.ArrayRef(c.ID(argsname), c.Constant('integer', i)), c.ID(arg_inst.name)))
self.v.ctx.add(c.FuncCall(c.ID('Py_XINCREF'), c.ExprList(c.ID(arg_inst.name))))
self.v.ctx.add(c.Assignment('=', c.ID('__return_value__'), c.FuncCall(c.ID('MpGenerator_New'), c.ExprList(
c.FuncCall(c.ID('strdup'), c.ExprList(c.Constant('string', PyStringLL.name_to_c_string(self.hlnode.owner.name)))),
c.ID(self.c_runner_func.decl.name),
c.ID(argsname),
c.Constant('integer', self.STACKSIZE) #FIXME: try to discover and set a good size for the stack
))))
self.fail_if_null('__return_value__')
self.v.ctx.add(c.Assignment('=', c.ArrayRef(c.ID(argsname), c.Constant('integer', self.GENERATOR_INDEX)), c.ID('__return_value__')))
def declare_function_object(self, docstring):
# create the function definition structure
c_name = c.Constant('string', PyStringLL.name_to_c_string(self.hlnode.owner.name))
c_docstring = c.Constant('string', PyStringLL.python_to_c_string(docstring)) if docstring else c.ID('NULL')
# create the function pyobject itself
self.c_obj = PyObjectLL(self.hlnode, self.v)
self.c_obj.declare(is_global=True, quals=['static'], name=self.hlnode.owner.global_c_name + "_pycfunc")
self.c_obj.xdecref()
self.v.ctx.add(c.Assignment('=', c.ID(self.c_obj.name), c.FuncCall(c.ID('MpFunction_New'), c.ExprList(
c_name, c.ID(self.c_pystub_func.decl.name), c_docstring))))
self.fail_if_null(self.c_obj.name)
# Note: this incref is for the global reference and needs to get cleaned up too
# -- the inst we return gets owned by the local scope
self.c_obj.incref()
return self.c_obj
def create_builder_funcdef(self):
self.v.ctx.add(c.Comment('Declare Class creation pycfunction "{}"'.format(self.hlnode.owner.name)))
# create the function pyobject itself
builder_func = PyObjectLL(self.hlnode, self.v)
builder_func.declare_tmp(name=self.hlnode.owner.name + "_builder_pycfunc")
c_name = c.Constant('string', PyStringLL.name_to_c_string(self.hlnode.owner.name))
self.v.ctx.add(c.Assignment('=', c.ID(builder_func.name), c.FuncCall(c.ID('MpFunction_New'), c.ExprList(
c_name, c.ID(self.c_builder_func.decl.name), c.ID('NULL')))))
self.fail_if_null(builder_func.name)
return builder_func
def set_initial_string_attribute(self, name: str, s: str):
if s is not None:
ps = PyStringLL(None, self.v)
ps.declare_tmp()
ps.new(s)
else:
ps = PyObjectLL(None, self.v)
ps.declare_tmp()
ps.assign_none()
self.set_attr_string(name, ps)
ps.decref()
def intro(self, docstring, module_name):
self.v.ctx.add_variable(c.Decl('__return_value__', PyObjectLL.typedecl('__return_value__')), False)
# set the docstring
ds = PyStringLL(None, self.v)
ds.declare_tmp()
if docstring:
ds.new(docstring)
else:
ds.assign_none()
self.c_namespace_dict.set_item_string('__doc__', ds)
ds.decref()
# set the module name
ds = PyStringLL(None, self.v)
ds.declare_tmp()
if module_name:
ds.new(module_name)
self.c_namespace_dict.set_item_string('__module__', ds)
ds.decref()