instructions.py 文件源码

def MAKE_FUNCTION(self, instr):

        code = self.ast_stack.pop()

        ndefaults = bitrange(instr.oparg, 0, 8)
        nkwonly_defaults = bitrange(instr.oparg, 8, 16)
        nannotations = bitrange(instr.oparg, 16, 32) - 1

        annotations = []
        for i in range(nannotations):
            annotations.insert(0, self.ast_stack.pop())

        kw_defaults = []
        for i in range(nkwonly_defaults * 2):
            kw_defaults.insert(0, self.ast_stack.pop())

        defaults = []
        for i in range(ndefaults):
            defaults.insert(0, self.ast_stack.pop())

        function = make_function(code, defaults, lineno=instr.lineno, annotations=annotations, kw_defaults=kw_defaults)

        doc = code.co_consts[0] if code.co_consts else None

        if isinstance(doc, str):
            function.body.insert(0, _ast.Expr(value=_ast.Str(s=doc, lineno=instr.lineno, col_offset=0),
                                              lineno=instr.lineno, col_offset=0))

        self.ast_stack.append(function)