Python FuncDef.get_line方法代码示例

# 需要导入模块: from mypy.nodes import FuncDef [as 别名]
# 或者: from mypy.nodes.FuncDef import get_line [as 别名]
    def visit_func_def(self, defn: FuncDef) -> None:
        start_line = defn.get_line() - 1
        start_indent = self.indentation_level(start_line)
        cur_line = start_line + 1
        end_line = cur_line
        # After this loop, function body will be lines [start_line, end_line)
        while cur_line < len(self.source):
            cur_indent = self.indentation_level(cur_line)
            if cur_indent is None:
                # Consume the line, but don't mark it as belonging to the function yet.
                cur_line += 1
            elif cur_indent > start_indent:
                # A non-blank line that belongs to the function.
                cur_line += 1
                end_line = cur_line
            else:
                # We reached a line outside the function definition.
                break

        is_typed = defn.type is not None
        for line in range(start_line, end_line):
            old_indent, _ = self.lines_covered[line]
            assert start_indent > old_indent
            self.lines_covered[line] = (start_indent, is_typed)

        # Visit the body, in case there are nested functions
        super().visit_func_def(defn)

# 需要导入模块: from mypy.nodes import FuncDef [as 别名]
# 或者: from mypy.nodes.FuncDef import get_line [as 别名]
    def visit_FunctionDef(self, n: ast35.FunctionDef) -> Node:
        args = self.transform_args(n.args, n.lineno)

        arg_kinds = [arg.kind for arg in args]
        arg_names = [arg.variable.name() for arg in args]
        arg_types = None  # type: List[Type]
        if n.type_comment is not None:
            try:
                func_type_ast = ast35.parse(n.type_comment, '<func_type>', 'func_type')
            except SyntaxError:
                raise TypeCommentParseError(TYPE_COMMENT_SYNTAX_ERROR, n.lineno)
            assert isinstance(func_type_ast, ast35.FunctionType)
            # for ellipsis arg
            if (len(func_type_ast.argtypes) == 1 and
                    isinstance(func_type_ast.argtypes[0], ast35.Ellipsis)):
                arg_types = [a.type_annotation if a.type_annotation is not None else AnyType()
                             for a in args]
            else:
                arg_types = [a if a is not None else AnyType() for
                            a in TypeConverter(line=n.lineno).visit_list(func_type_ast.argtypes)]
            return_type = TypeConverter(line=n.lineno).visit(func_type_ast.returns)

            # add implicit self type
            if self.in_class() and len(arg_types) < len(args):
                arg_types.insert(0, AnyType())
        else:
            arg_types = [a.type_annotation for a in args]
            return_type = TypeConverter(line=n.lineno).visit(n.returns)

        if isinstance(return_type, UnboundType):
            return_type.is_ret_type = True

        func_type = None
        if any(arg_types) or return_type:
            func_type = CallableType([a if a is not None else AnyType() for a in arg_types],
                                     arg_kinds,
                                     arg_names,
                                     return_type if return_type is not None else AnyType(),
                                     None)

        func_def = FuncDef(n.name,
                       args,
                       self.as_block(n.body, n.lineno),
                       func_type)
        if func_type is not None:
            func_type.definition = func_def
            func_type.line = n.lineno

        if n.decorator_list:
            var = Var(func_def.name())
            var.is_ready = False
            var.set_line(n.decorator_list[0].lineno)

            func_def.is_decorated = True
            func_def.set_line(n.lineno + len(n.decorator_list))
            func_def.body.set_line(func_def.get_line())
            return Decorator(func_def, self.visit_list(n.decorator_list), var)
        else:
            return func_def

# 需要导入模块: from mypy.nodes import FuncDef [as 别名]
# 或者: from mypy.nodes.FuncDef import get_line [as 别名]
    def visit_FunctionDef(self, n):
        args = self.transform_args(n.args, n.lineno)

        arg_kinds = [arg.kind for arg in args]
        arg_names = [arg.variable.name() for arg in args]
        if n.type_comment is not None:
            func_type_ast = typed_ast.parse(n.type_comment, '<func_type>', 'func_type')
            arg_types = [a if a is not None else AnyType() for
                         a in TypeConverter(line=n.lineno).visit(func_type_ast.argtypes)]
            return_type = TypeConverter(line=n.lineno).visit(func_type_ast.returns)

            # add implicit self type
            if self.in_class and len(arg_types) < len(args):
                arg_types.insert(0, AnyType())
        else:
            arg_types = [a.type_annotation for a in args]
            return_type = TypeConverter(line=n.lineno).visit(n.returns)

        func_type = None
        if any(arg_types) or return_type:
            func_type = CallableType([a if a is not None else AnyType() for a in arg_types],
                                     arg_kinds,
                                     arg_names,
                                     return_type if return_type is not None else AnyType(),
                                     None)

        func_def = FuncDef(n.name,
                       args,
                       self.as_block(n.body, n.lineno),
                       func_type)
        if func_type is not None:
            func_type.definition = func_def

        if n.decorator_list:
            var = Var(func_def.name())
            var.is_ready = False
            var.set_line(n.decorator_list[0].lineno)

            func_def.is_decorated = True
            func_def.set_line(n.lineno + len(n.decorator_list))
            func_def.body.set_line(func_def.get_line())
            return Decorator(func_def, self.visit(n.decorator_list), var)
        else:
            return func_def

# 需要导入模块: from mypy.nodes import FuncDef [as 别名]
# 或者: from mypy.nodes.FuncDef import get_line [as 别名]
    def visit_func_def(self, defn: FuncDef) -> None:
        start_line = defn.get_line() - 1
        start_indent = None
        # When a function is decorated, sometimes the start line will point to
        # whitespace or comments between the decorator and the function, so
        # we have to look for the start.
        while start_line < len(self.source):
            start_indent = self.indentation_level(start_line)
            if start_indent is not None:
                break
            start_line += 1
        # If we can't find the function give up and don't annotate anything.
        # Our line numbers are not reliable enough to be asserting on.
        if start_indent is None:
            return

        cur_line = start_line + 1
        end_line = cur_line
        # After this loop, function body will be lines [start_line, end_line)
        while cur_line < len(self.source):
            cur_indent = self.indentation_level(cur_line)
            if cur_indent is None:
                # Consume the line, but don't mark it as belonging to the function yet.
                cur_line += 1
            elif start_indent is not None and cur_indent > start_indent:
                # A non-blank line that belongs to the function.
                cur_line += 1
                end_line = cur_line
            else:
                # We reached a line outside the function definition.
                break

        is_typed = defn.type is not None
        for line in range(start_line, end_line):
            old_indent, _ = self.lines_covered[line]
            # If there was an old indent level for this line, and the new
            # level isn't increasing the indentation, ignore it.
            # This is to be defensive against funniness in our line numbers,
            # which are not always reliable.
            if old_indent <= start_indent:
                self.lines_covered[line] = (start_indent, is_typed)

        # Visit the body, in case there are nested functions
        super().visit_func_def(defn)

# 需要导入模块: from mypy.nodes import FuncDef [as 别名]
# 或者: from mypy.nodes.FuncDef import get_line [as 别名]
 def visit_func_def(self, o: FuncDef) -> None:
     self.line = o.line
     if len(o.expanded) > 1 and o.expanded != [o] * len(o.expanded):
         if o in o.expanded:
             print('{}:{}: ERROR: cycle in function expansion; skipping'.format(self.filename,
                                                                                o.get_line()))
             return
         for defn in o.expanded:
             self.visit_func_def(cast(FuncDef, defn))
     else:
         if o.type:
             sig = cast(CallableType, o.type)
             arg_types = sig.arg_types
             if (sig.arg_names and sig.arg_names[0] == 'self' and
                     not self.inferred):
                 arg_types = arg_types[1:]
             for arg in arg_types:
                 self.type(arg)
             self.type(sig.ret_type)
         elif self.all_nodes:
             self.record_line(self.line, TYPE_ANY)
         if not o.is_dynamic() or self.visit_untyped_defs:
             super().visit_func_def(o)

# 需要导入模块: from mypy.nodes import FuncDef [as 别名]
# 或者: from mypy.nodes.FuncDef import get_line [as 别名]
    def visit_FunctionDef(self, n: ast27.FunctionDef) -> Statement:
        lineno = n.lineno
        converter = TypeConverter(self.errors, line=lineno,
                                  assume_str_is_unicode=self.unicode_literals)
        args, decompose_stmts = self.transform_args(n.args, lineno)

        arg_kinds = [arg.kind for arg in args]
        arg_names = [arg.variable.name() for arg in args]  # type: List[Optional[str]]
        arg_names = [None if argument_elide_name(name) else name for name in arg_names]
        if special_function_elide_names(n.name):
            arg_names = [None] * len(arg_names)

        arg_types = []  # type: List[Optional[Type]]
        type_comment = n.type_comment
        if (n.decorator_list and any(is_no_type_check_decorator(d) for d in n.decorator_list)):
            arg_types = [None] * len(args)
            return_type = None
        elif type_comment is not None and len(type_comment) > 0:
            try:
                func_type_ast = ast3_parse(type_comment, '<func_type>', 'func_type')
                assert isinstance(func_type_ast, ast3.FunctionType)
                # for ellipsis arg
                if (len(func_type_ast.argtypes) == 1 and
                        isinstance(func_type_ast.argtypes[0], ast3.Ellipsis)):
                    arg_types = [a.type_annotation
                                 if a.type_annotation is not None
                                 else AnyType(TypeOfAny.unannotated)
                                 for a in args]
                else:
                    # PEP 484 disallows both type annotations and type comments
                    if any(a.type_annotation is not None for a in args):
                        self.fail(message_registry.DUPLICATE_TYPE_SIGNATURES, lineno, n.col_offset)
                    arg_types = [a if a is not None else AnyType(TypeOfAny.unannotated) for
                                 a in converter.translate_expr_list(func_type_ast.argtypes)]
                return_type = converter.visit(func_type_ast.returns)

                # add implicit self type
                if self.in_class() and len(arg_types) < len(args):
                    arg_types.insert(0, AnyType(TypeOfAny.special_form))
            except SyntaxError:
                self.fail(TYPE_COMMENT_SYNTAX_ERROR, lineno, n.col_offset)
                arg_types = [AnyType(TypeOfAny.from_error)] * len(args)
                return_type = AnyType(TypeOfAny.from_error)
        else:
            arg_types = [a.type_annotation for a in args]
            return_type = converter.visit(None)

        for arg, arg_type in zip(args, arg_types):
            self.set_type_optional(arg_type, arg.initializer)

        func_type = None
        if any(arg_types) or return_type:
            if len(arg_types) != 1 and any(isinstance(t, EllipsisType) for t in arg_types):
                self.fail("Ellipses cannot accompany other argument types "
                          "in function type signature.", lineno, 0)
            elif len(arg_types) > len(arg_kinds):
                self.fail('Type signature has too many arguments', lineno, 0)
            elif len(arg_types) < len(arg_kinds):
                self.fail('Type signature has too few arguments', lineno, 0)
            else:
                any_type = AnyType(TypeOfAny.unannotated)
                func_type = CallableType([a if a is not None else any_type for a in arg_types],
                                        arg_kinds,
                                        arg_names,
                                        return_type if return_type is not None else any_type,
                                        _dummy_fallback)

        body = self.as_required_block(n.body, lineno)
        if decompose_stmts:
            body.body = decompose_stmts + body.body
        func_def = FuncDef(n.name,
                       args,
                       body,
                       func_type)
        if isinstance(func_def.type, CallableType):
            # semanal.py does some in-place modifications we want to avoid
            func_def.unanalyzed_type = func_def.type.copy_modified()
        if func_type is not None:
            func_type.definition = func_def
            func_type.line = lineno

        if n.decorator_list:
            var = Var(func_def.name())
            var.is_ready = False
            var.set_line(n.decorator_list[0].lineno)

            func_def.is_decorated = True
            func_def.set_line(lineno + len(n.decorator_list))
            func_def.body.set_line(func_def.get_line())
            dec = Decorator(func_def, self.translate_expr_list(n.decorator_list), var)
            dec.set_line(lineno, n.col_offset)
            return dec
        else:
            # Overrides set_line -- can't use self.set_line
            func_def.set_line(lineno, n.col_offset)
            return func_def

# 需要导入模块: from mypy.nodes import FuncDef [as 别名]
# 或者: from mypy.nodes.FuncDef import get_line [as 别名]
    def visit_FunctionDef(self, n: ast27.FunctionDef) -> Statement:
        converter = TypeConverter(line=n.lineno)
        args = self.transform_args(n.args, n.lineno)

        arg_kinds = [arg.kind for arg in args]
        arg_names = [arg.variable.name() for arg in args]  # type: List[Optional[str]]
        arg_names = [None if argument_elide_name(name) else name for name in arg_names]
        if special_function_elide_names(n.name):
            arg_names = [None] * len(arg_names)

        arg_types = None  # type: List[Type]
        if n.type_comment is not None and len(n.type_comment) > 0:
            try:
                func_type_ast = ast35.parse(n.type_comment, '<func_type>', 'func_type')
            except SyntaxError:
                raise TypeCommentParseError(TYPE_COMMENT_SYNTAX_ERROR, n.lineno, n.col_offset)
            assert isinstance(func_type_ast, ast35.FunctionType)
            # for ellipsis arg
            if (len(func_type_ast.argtypes) == 1 and
                    isinstance(func_type_ast.argtypes[0], ast35.Ellipsis)):
                arg_types = [a.type_annotation if a.type_annotation is not None else AnyType()
                             for a in args]
            else:
                arg_types = [a if a is not None else AnyType() for
                            a in converter.translate_expr_list(func_type_ast.argtypes)]
            return_type = converter.visit(func_type_ast.returns)

            # add implicit self type
            if self.in_class() and len(arg_types) < len(args):
                arg_types.insert(0, AnyType())
        else:
            arg_types = [a.type_annotation for a in args]
            return_type = converter.visit(None)

        for arg, arg_type in zip(args, arg_types):
            self.set_type_optional(arg_type, arg.initializer)

        if isinstance(return_type, UnboundType):
            return_type.is_ret_type = True

        func_type = None
        if any(arg_types) or return_type:
            if len(arg_types) > len(arg_kinds):
                raise FastParserError('Type signature has too many arguments', n.lineno, offset=0)
            if len(arg_types) < len(arg_kinds):
                raise FastParserError('Type signature has too few arguments', n.lineno, offset=0)
            func_type = CallableType([a if a is not None else AnyType() for a in arg_types],
                                     arg_kinds,
                                     arg_names,
                                     return_type if return_type is not None else AnyType(),
                                     None)

        func_def = FuncDef(n.name,
                       args,
                       self.as_block(n.body, n.lineno),
                       func_type)
        if func_type is not None:
            func_type.definition = func_def
            func_type.line = n.lineno

        if n.decorator_list:
            var = Var(func_def.name())
            var.is_ready = False
            var.set_line(n.decorator_list[0].lineno)

            func_def.is_decorated = True
            func_def.set_line(n.lineno + len(n.decorator_list))
            func_def.body.set_line(func_def.get_line())
            return Decorator(func_def, self.translate_expr_list(n.decorator_list), var)
        else:
            return func_def

# 需要导入模块: from mypy.nodes import FuncDef [as 别名]
# 或者: from mypy.nodes.FuncDef import get_line [as 别名]
    def do_func_def(self, n: Union[ast35.FunctionDef, ast35.AsyncFunctionDef],
                    is_coroutine: bool = False) -> Union[FuncDef, Decorator]:
        """Helper shared between visit_FunctionDef and visit_AsyncFunctionDef."""
        no_type_check = bool(n.decorator_list and
                             any(is_no_type_check_decorator(d) for d in n.decorator_list))

        args = self.transform_args(n.args, n.lineno, no_type_check=no_type_check)

        arg_kinds = [arg.kind for arg in args]
        arg_names = [arg.variable.name() for arg in args]  # type: List[Optional[str]]
        arg_names = [None if argument_elide_name(name) else name for name in arg_names]
        if special_function_elide_names(n.name):
            arg_names = [None] * len(arg_names)
        arg_types = None  # type: List[Type]
        if no_type_check:
            arg_types = [None] * len(args)
            return_type = None
        elif n.type_comment is not None:
            try:
                func_type_ast = ast35.parse(n.type_comment, '<func_type>', 'func_type')
                assert isinstance(func_type_ast, ast35.FunctionType)
                # for ellipsis arg
                if (len(func_type_ast.argtypes) == 1 and
                        isinstance(func_type_ast.argtypes[0], ast35.Ellipsis)):
                    if n.returns:
                        # PEP 484 disallows both type annotations and type comments
                        self.fail(messages.DUPLICATE_TYPE_SIGNATURES, n.lineno, n.col_offset)
                    arg_types = [a.type_annotation if a.type_annotation is not None else AnyType()
                                 for a in args]
                else:
                    # PEP 484 disallows both type annotations and type comments
                    if n.returns or any(a.type_annotation is not None for a in args):
                        self.fail(messages.DUPLICATE_TYPE_SIGNATURES, n.lineno, n.col_offset)
                    translated_args = (TypeConverter(self.errors, line=n.lineno)
                                       .translate_expr_list(func_type_ast.argtypes))
                    arg_types = [a if a is not None else AnyType()
                                for a in translated_args]
                return_type = TypeConverter(self.errors,
                                            line=n.lineno).visit(func_type_ast.returns)

                # add implicit self type
                if self.in_class() and len(arg_types) < len(args):
                    arg_types.insert(0, AnyType())
            except SyntaxError:
                self.fail(TYPE_COMMENT_SYNTAX_ERROR, n.lineno, n.col_offset)
                arg_types = [AnyType()] * len(args)
                return_type = AnyType()
        else:
            arg_types = [a.type_annotation for a in args]
            return_type = TypeConverter(self.errors, line=n.lineno).visit(n.returns)

        for arg, arg_type in zip(args, arg_types):
            self.set_type_optional(arg_type, arg.initializer)

        if isinstance(return_type, UnboundType):
            return_type.is_ret_type = True

        func_type = None
        if any(arg_types) or return_type:
            if len(arg_types) != 1 and any(isinstance(t, EllipsisType) for t in arg_types):
                self.fail("Ellipses cannot accompany other argument types "
                          "in function type signature.", n.lineno, 0)
            elif len(arg_types) > len(arg_kinds):
                self.fail('Type signature has too many arguments', n.lineno, 0)
            elif len(arg_types) < len(arg_kinds):
                self.fail('Type signature has too few arguments', n.lineno, 0)
            else:
                func_type = CallableType([a if a is not None else
                                          AnyType(implicit=True) for a in arg_types],
                                         arg_kinds,
                                         arg_names,
                                         return_type if return_type is not None else
                                         AnyType(implicit=True),
                                         None)

        func_def = FuncDef(n.name,
                       args,
                       self.as_block(n.body, n.lineno),
                       func_type)
        if is_coroutine:
            # A coroutine is also a generator, mostly for internal reasons.
            func_def.is_generator = func_def.is_coroutine = True
        if func_type is not None:
            func_type.definition = func_def
            func_type.line = n.lineno

        if n.decorator_list:
            var = Var(func_def.name())
            var.is_ready = False
            var.set_line(n.decorator_list[0].lineno)

            func_def.is_decorated = True
            func_def.set_line(n.lineno + len(n.decorator_list))
            func_def.body.set_line(func_def.get_line())
            return Decorator(func_def, self.translate_expr_list(n.decorator_list), var)
        else:
            return func_def

# 需要导入模块: from mypy.nodes import FuncDef [as 别名]
# 或者: from mypy.nodes.FuncDef import get_line [as 别名]
    def visit_FunctionDef(self, n: ast27.FunctionDef) -> Statement:
        converter = TypeConverter(self.errors, line=n.lineno)
        args, decompose_stmts = self.transform_args(n.args, n.lineno)

        arg_kinds = [arg.kind for arg in args]
        arg_names = [arg.variable.name() for arg in args]  # type: List[Optional[str]]
        arg_names = [None if argument_elide_name(name) else name for name in arg_names]
        if special_function_elide_names(n.name):
            arg_names = [None] * len(arg_names)

        arg_types = None  # type: List[Type]
        if (n.decorator_list and any(is_no_type_check_decorator(d) for d in n.decorator_list)):
            arg_types = [None] * len(args)
            return_type = None
        elif n.type_comment is not None and len(n.type_comment) > 0:
            try:
                func_type_ast = ast35.parse(n.type_comment, '<func_type>', 'func_type')
                assert isinstance(func_type_ast, ast35.FunctionType)
                # for ellipsis arg
                if (len(func_type_ast.argtypes) == 1 and
                        isinstance(func_type_ast.argtypes[0], ast35.Ellipsis)):
                    arg_types = [a.type_annotation if a.type_annotation is not None else AnyType()
                                for a in args]
                else:
                    # PEP 484 disallows both type annotations and type comments
                    if any(a.type_annotation is not None for a in args):
                        self.fail(messages.DUPLICATE_TYPE_SIGNATURES, n.lineno, n.col_offset)
                    arg_types = [a if a is not None else AnyType() for
                                a in converter.translate_expr_list(func_type_ast.argtypes)]
                return_type = converter.visit(func_type_ast.returns)

                # add implicit self type
                if self.in_class() and len(arg_types) < len(args):
                    arg_types.insert(0, AnyType())
            except SyntaxError:
                self.fail(TYPE_COMMENT_SYNTAX_ERROR, n.lineno, n.col_offset)
                arg_types = [AnyType()] * len(args)
                return_type = AnyType()
        else:
            arg_types = [a.type_annotation for a in args]
            return_type = converter.visit(None)

        for arg, arg_type in zip(args, arg_types):
            self.set_type_optional(arg_type, arg.initializer)

        if isinstance(return_type, UnboundType):
            return_type.is_ret_type = True

        func_type = None
        if any(arg_types) or return_type:
            if len(arg_types) != 1 and any(isinstance(t, EllipsisType) for t in arg_types):
                self.fail("Ellipses cannot accompany other argument types "
                          "in function type signature.", n.lineno, 0)
            elif len(arg_types) > len(arg_kinds):
                self.fail('Type signature has too many arguments', n.lineno, 0)
            elif len(arg_types) < len(arg_kinds):
                self.fail('Type signature has too few arguments', n.lineno, 0)
            else:
                func_type = CallableType([a if a is not None else AnyType() for a in arg_types],
                                        arg_kinds,
                                        arg_names,
                                        return_type if return_type is not None else AnyType(),
                                        None)

        body = self.as_block(n.body, n.lineno)
        if decompose_stmts:
            body.body = decompose_stmts + body.body
        func_def = FuncDef(n.name,
                       args,
                       body,
                       func_type)
        if func_type is not None:
            func_type.definition = func_def
            func_type.line = n.lineno

        if n.decorator_list:
            var = Var(func_def.name())
            var.is_ready = False
            var.set_line(n.decorator_list[0].lineno)

            func_def.is_decorated = True
            func_def.set_line(n.lineno + len(n.decorator_list))
            func_def.body.set_line(func_def.get_line())
            return Decorator(func_def, self.translate_expr_list(n.decorator_list), var)
        else:
            return func_def

# 需要导入模块: from mypy.nodes import FuncDef [as 别名]
# 或者: from mypy.nodes.FuncDef import get_line [as 别名]
    def do_func_def(self, n: Union[ast35.FunctionDef, ast35.AsyncFunctionDef],
                    is_coroutine: bool = False) -> Union[FuncDef, Decorator]:
        """Helper shared between visit_FunctionDef and visit_AsyncFunctionDef."""
        args = self.transform_args(n.args, n.lineno)

        arg_kinds = [arg.kind for arg in args]
        arg_names = [arg.variable.name() for arg in args]
        arg_types = None  # type: List[Type]
        if n.type_comment is not None:
            try:
                func_type_ast = ast35.parse(n.type_comment, '<func_type>', 'func_type')
            except SyntaxError:
                raise TypeCommentParseError(TYPE_COMMENT_SYNTAX_ERROR, n.lineno, n.col_offset)
            assert isinstance(func_type_ast, ast35.FunctionType)
            # for ellipsis arg
            if (len(func_type_ast.argtypes) == 1 and
                    isinstance(func_type_ast.argtypes[0], ast35.Ellipsis)):
                arg_types = [a.type_annotation if a.type_annotation is not None else AnyType()
                             for a in args]
            else:
                translated_args = (TypeConverter(line=n.lineno)
                                   .translate_expr_list(func_type_ast.argtypes))
                arg_types = [a if a is not None else AnyType()
                             for a in translated_args]
            return_type = TypeConverter(line=n.lineno).visit(func_type_ast.returns)

            # add implicit self type
            if self.in_class() and len(arg_types) < len(args):
                arg_types.insert(0, AnyType())
        else:
            arg_types = [a.type_annotation for a in args]
            return_type = TypeConverter(line=n.lineno).visit(n.returns)

        for arg, arg_type in zip(args, arg_types):
            self.set_type_optional(arg_type, arg.initializer)

        if isinstance(return_type, UnboundType):
            return_type.is_ret_type = True

        func_type = None
        if any(arg_types) or return_type:
            if len(arg_types) > len(arg_kinds):
                raise FastParserError('Type signature has too many arguments', n.lineno, offset=0)
            if len(arg_types) < len(arg_kinds):
                raise FastParserError('Type signature has too few arguments', n.lineno, offset=0)
            func_type = CallableType([a if a is not None else AnyType() for a in arg_types],
                                     arg_kinds,
                                     arg_names,
                                     return_type if return_type is not None else AnyType(),
                                     None)

        func_def = FuncDef(n.name,
                       args,
                       self.as_block(n.body, n.lineno),
                       func_type)
        if is_coroutine:
            # A coroutine is also a generator, mostly for internal reasons.
            func_def.is_generator = func_def.is_coroutine = True
        if func_type is not None:
            func_type.definition = func_def
            func_type.line = n.lineno

        if n.decorator_list:
            var = Var(func_def.name())
            var.is_ready = False
            var.set_line(n.decorator_list[0].lineno)

            func_def.is_decorated = True
            func_def.set_line(n.lineno + len(n.decorator_list))
            func_def.body.set_line(func_def.get_line())
            return Decorator(func_def, self.translate_expr_list(n.decorator_list), var)
        else:
            return func_def