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Python symbol.list_iter方法代码示例

本文整理汇总了Python中symbol.list_iter方法的典型用法代码示例。如果您正苦于以下问题:Python symbol.list_iter方法的具体用法?Python symbol.list_iter怎么用?Python symbol.list_iter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.list_iter方法的4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: com_list_iter

# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import list_iter [as 别名]
def com_list_iter(self, node):
        assert node[0] == symbol.list_iter
        return node[1] 
开发者ID:IronLanguages,项目名称:ironpython2,代码行数:5,代码来源:transformer.py

示例2: com_list_comprehension

# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import list_iter [as 别名]
def com_list_comprehension(self, expr, node):
            # list_iter: list_for | list_if
            # list_for: 'for' exprlist 'in' testlist [list_iter]
            # list_if: 'if' test [list_iter]

            # XXX should raise SyntaxError for assignment

            lineno = node[1][2]
            fors = []
            while node:
                t = node[1][1]
                if t == 'for':
                    assignNode = self.com_assign(node[2], OP_ASSIGN)
                    listNode = self.com_node(node[4])
                    newfor = ListCompFor(assignNode, listNode, [])
                    newfor.lineno = node[1][2]
                    fors.append(newfor)
                    if len(node) == 5:
                        node = None
                    else:
                        node = self.com_list_iter(node[5])
                elif t == 'if':
                    test = self.com_node(node[2])
                    newif = ListCompIf(test, lineno=node[1][2])
                    newfor.ifs.append(newif)
                    if len(node) == 3:
                        node = None
                    else:
                        node = self.com_list_iter(node[3])
                else:
                    raise SyntaxError, \
                          ("unexpected list comprehension element: %s %d"
                           % (node, lineno))
            return ListComp(expr, fors, lineno=lineno) 
开发者ID:ofermend,项目名称:medicare-demo,代码行数:36,代码来源:transformer.py

示例3: com_list_iter

# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import list_iter [as 别名]
def com_list_iter(self, node):
            assert node[0] == symbol.list_iter
            return node[1] 
开发者ID:ofermend,项目名称:medicare-demo,代码行数:5,代码来源:transformer.py

示例4: com_comprehension

# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import list_iter [as 别名]
def com_comprehension(self, expr1, expr2, node, type):
        # list_iter: list_for | list_if
        # list_for: 'for' exprlist 'in' testlist [list_iter]
        # list_if: 'if' test [list_iter]

        # XXX should raise SyntaxError for assignment
        # XXX(avassalotti) Set and dict comprehensions should have generator
        #                  semantics. In other words, they shouldn't leak
        #                  variables outside of the comprehension's scope.

        lineno = node[1][2]
        fors = []
        while node:
            t = node[1][1]
            if t == 'for':
                assignNode = self.com_assign(node[2], OP_ASSIGN)
                compNode = self.com_node(node[4])
                newfor = ListCompFor(assignNode, compNode, [])
                newfor.lineno = node[1][2]
                fors.append(newfor)
                if len(node) == 5:
                    node = None
                elif type == 'list':
                    node = self.com_list_iter(node[5])
                else:
                    node = self.com_comp_iter(node[5])
            elif t == 'if':
                test = self.com_node(node[2])
                newif = ListCompIf(test, lineno=node[1][2])
                newfor.ifs.append(newif)
                if len(node) == 3:
                    node = None
                elif type == 'list':
                    node = self.com_list_iter(node[3])
                else:
                    node = self.com_comp_iter(node[3])
            else:
                raise SyntaxError, \
                      ("unexpected comprehension element: %s %d"
                       % (node, lineno))
        if type == 'list':
            return ListComp(expr1, fors, lineno=lineno)
        elif type == 'set':
            return SetComp(expr1, fors, lineno=lineno)
        elif type == 'dict':
            return DictComp(expr1, expr2, fors, lineno=lineno)
        else:
            raise ValueError("unexpected comprehension type: " + repr(type)) 
开发者ID:IronLanguages,项目名称:ironpython2,代码行数:50,代码来源:transformer.py


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