Commit 613a4861 authored by Stefan Behnel's avatar Stefan Behnel

use PyErr_Format() instead of PyErr_SetString() for Cython generated...

use PyErr_Format() instead of PyErr_SetString() for Cython generated exceptions with formatted but constant messages
parent 450e56ea
......@@ -681,11 +681,11 @@ class ExprNode(Node):
def as_cython_attribute(self):
return None
def as_none_safe_node(self, message, error="PyExc_TypeError"):
def as_none_safe_node(self, message, error="PyExc_TypeError", format_args=()):
# Wraps the node in a NoneCheckNode if it is not known to be
# not-None (e.g. because it is a Python literal).
if self.may_be_none():
return NoneCheckNode(self, error, message)
return NoneCheckNode(self, error, message, format_args)
else:
return self
......@@ -3075,8 +3075,9 @@ class SimpleCallNode(CallNode):
self_arg = func_type.args[0]
if self_arg.not_none: # C methods must do the None test for self at *call* time
self.self = self.self.as_none_safe_node(
"'NoneType' object has no attribute '%s'" % self.function.entry.name,
'PyExc_AttributeError')
"'NoneType' object has no attribute '%s'",
error = 'PyExc_AttributeError',
format_args = [self.function.entry.name])
expected_type = self_arg.type
self.coerced_self = CloneNode(self.self).coerce_to(
expected_type, env)
......@@ -7488,12 +7489,14 @@ class NoneCheckNode(CoercionNode):
# raises an appropriate exception (as specified by the creating
# transform).
def __init__(self, arg, exception_type_cname, exception_message):
def __init__(self, arg, exception_type_cname, exception_message,
exception_format_args):
CoercionNode.__init__(self, arg)
self.type = arg.type
self.result_ctype = arg.ctype()
self.exception_type_cname = exception_type_cname
self.exception_message = exception_message
self.exception_format_args = tuple(exception_format_args or ())
def analyse_types(self, env):
pass
......@@ -7513,10 +7516,19 @@ class NoneCheckNode(CoercionNode):
def generate_result_code(self, code):
code.putln(
"if (unlikely(%s == Py_None)) {" % self.arg.py_result())
code.putln('PyErr_SetString(%s, "%s"); %s ' % (
escape = StringEncoding.escape_byte_string
if self.exception_format_args:
code.putln('PyErr_Format(%s, "%s", %s); %s ' % (
self.exception_type_cname,
StringEncoding.escape_byte_string(
self.exception_message.encode('UTF-8')),
', '.join([ '"%s"' % escape(str(arg).encode('UTF-8'))
for arg in self.exception_format_args ]),
code.error_goto(self.pos)))
else:
code.putln('PyErr_SetString(%s, "%s"); %s ' % (
self.exception_type_cname,
escape(self.exception_message.encode('UTF-8')),
code.error_goto(self.pos)))
code.putln("}")
......
......@@ -2789,12 +2789,13 @@ class OptimizeBuiltinCalls(Visitor.EnvTransform):
self_arg = args[0]
if is_unbound_method:
self_arg = self_arg.as_none_safe_node(
"descriptor '%s' requires a '%s' object but received a 'NoneType'" % (
attr_name, node.function.obj.name))
"descriptor '%s' requires a '%s' object but received a 'NoneType'",
format_args = [attr_name, node.function.obj.name])
else:
self_arg = self_arg.as_none_safe_node(
"'NoneType' object has no attribute '%s'" % attr_name,
error = "PyExc_AttributeError")
"'NoneType' object has no attribute '%s'",
error = "PyExc_AttributeError",
format_args = [attr_name])
args[0] = self_arg
return ExprNodes.PythonCapiCallNode(
node.pos, name, func_type,
......
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