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Python symbol.testlist_safe方法代码示例

本文整理汇总了Python中symbol.testlist_safe方法的典型用法代码示例。如果您正苦于以下问题:Python symbol.testlist_safe方法的具体用法?Python symbol.testlist_safe怎么用?Python symbol.testlist_safe使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在symbol的用法示例。


在下文中一共展示了symbol.testlist_safe方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: testlist

# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import testlist_safe [as 别名]
def testlist(self, nodelist):
        # testlist: expr (',' expr)* [',']
        # testlist_safe: test [(',' test)+ [',']]
        # exprlist: expr (',' expr)* [',']
        return self.com_binary(Tuple, nodelist) 
开发者ID:IronLanguages,项目名称:ironpython2,代码行数:7,代码来源:transformer.py

示例2: com_assign

# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import testlist_safe [as 别名]
def com_assign(self, node, assigning):
        # return a node suitable for use as an "lvalue"
        # loop to avoid trivial recursion
        while 1:
            t = node[0]
            if t in (symbol.exprlist, symbol.testlist, symbol.testlist_safe, symbol.testlist_comp):
                if len(node) > 2:
                    return self.com_assign_tuple(node, assigning)
                node = node[1]
            elif t in _assign_types:
                if len(node) > 2:
                    raise SyntaxError, "can't assign to operator"
                node = node[1]
            elif t == symbol.power:
                if node[1][0] != symbol.atom:
                    raise SyntaxError, "can't assign to operator"
                if len(node) > 2:
                    primary = self.com_node(node[1])
                    for i in range(2, len(node)-1):
                        ch = node[i]
                        if ch[0] == token.DOUBLESTAR:
                            raise SyntaxError, "can't assign to operator"
                        primary = self.com_apply_trailer(primary, ch)
                    return self.com_assign_trailer(primary, node[-1],
                                                   assigning)
                node = node[1]
            elif t == symbol.atom:
                t = node[1][0]
                if t == token.LPAR:
                    node = node[2]
                    if node[0] == token.RPAR:
                        raise SyntaxError, "can't assign to ()"
                elif t == token.LSQB:
                    node = node[2]
                    if node[0] == token.RSQB:
                        raise SyntaxError, "can't assign to []"
                    return self.com_assign_list(node, assigning)
                elif t == token.NAME:
                    return self.com_assign_name(node[1], assigning)
                else:
                    raise SyntaxError, "can't assign to literal"
            else:
                raise SyntaxError, "bad assignment (%s)" % t 
开发者ID:IronLanguages,项目名称:ironpython2,代码行数:45,代码来源:transformer.py

示例3: com_assign

# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import testlist_safe [as 别名]
def com_assign(self, node, assigning):
        # return a node suitable for use as an "lvalue"
        # loop to avoid trivial recursion
        while 1:
            t = node[0]
            if t in (symbol.exprlist, symbol.testlist, symbol.testlist_safe, symbol.testlist_gexp):
                if len(node) > 2:
                    return self.com_assign_tuple(node, assigning)
                node = node[1]
            elif t in _assign_types:
                if len(node) > 2:
                    raise SyntaxError, "can't assign to operator"
                node = node[1]
            elif t == symbol.power:
                if node[1][0] != symbol.atom:
                    raise SyntaxError, "can't assign to operator"
                if len(node) > 2:
                    primary = self.com_node(node[1])
                    for i in range(2, len(node)-1):
                        ch = node[i]
                        if ch[0] == token.DOUBLESTAR:
                            raise SyntaxError, "can't assign to operator"
                        primary = self.com_apply_trailer(primary, ch)
                    return self.com_assign_trailer(primary, node[-1],
                                                   assigning)
                node = node[1]
            elif t == symbol.atom:
                t = node[1][0]
                if t == token.LPAR:
                    node = node[2]
                    if node[0] == token.RPAR:
                        raise SyntaxError, "can't assign to ()"
                elif t == token.LSQB:
                    node = node[2]
                    if node[0] == token.RSQB:
                        raise SyntaxError, "can't assign to []"
                    return self.com_assign_list(node, assigning)
                elif t == token.NAME:
                    return self.com_assign_name(node[1], assigning)
                else:
                    raise SyntaxError, "can't assign to literal"
            else:
                raise SyntaxError, "bad assignment (%s)" % t 
开发者ID:ofermend,项目名称:medicare-demo,代码行数:45,代码来源:transformer.py


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