本文整理汇总了Python中frame.Frame.push_null方法的典型用法代码示例。如果您正苦于以下问题：Python Frame.push_null方法的具体用法？Python Frame.push_null怎么用？Python Frame.push_null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类frame.Frame的用法示例。
在下文中一共展示了Frame.push_null方法的1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: __init__
# 需要导入模块: from frame import Frame [as 别名]
# 或者: from frame.Frame import push_null [as 别名]
#.........这里部分代码省略.........
def op_block(self, nodes):
for node in nodes:
self.compile_node(node)
def op_group(self, node):
self.compile_node(node[0])
def op_semicolon(self, node):
self.compile_node(node.expression)
self.frame.pop()
def op_number(self, node):
value = node.value
if isinstance(value, int):
self.frame.push_int(value)
else:
self.frame.push_double(value)
def op_string(self, node):
value = node.value
str = new_string(value)
self.frame.push_string(addressof(str))
def op_true(self, node):
self.frame.push_bool(True)
def op_false(self, node):
self.frame.push_bool(False)
def op_null(self, node):
self.frame.push_null()
def op_array_init(self, nodes):
for node in nodes:
if node: # could be hole
self.compile_node(node)
@function(c_int, c_int)
def array_init(length):
array = ObjectFactory.createArray(length)
return array.pointer
size = len(nodes)
self.frame.spill_all()
self.assembler.push(size)
self.assembler.mov(self.frame.scratch, array_init)
self.assembler.call(self.frame.scratch)
self.assembler.add(esp, 4)
self.assembler.push(eax) #fixme
reg = self.frame.alloc_reg()
self.assembler.mov(reg, eax.addr + 8) # elements
i = size - 1
for node in nodes:
if node:
element = self.frame.peek(-(size - i))
self.box(element, self.frame.scratch)
self.assembler.mov(reg.addr + i * 4, self.frame.scratch)
else:
self.assembler.mov(reg.addr + i * 4, undefined_value) # todo: needs special value