43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
import t
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import stdio
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import stdlib
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import memhub
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from g4node import G4Node, new_g4node
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# ============================================================
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# caller1: 导入 G4Node 并直接访问 Next 字段(不通过访问器)
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#
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# 模拟 TransPyV/HandlesExprCall.py 的情况:
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# 直接访问 n.Next 触发 GEP 指令,若 stub 字段缺失则 GEP 越界
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# ============================================================
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def caller1_make_chain(pool: memhub.MemBuddy | t.CPtr) -> G4Node | t.CPtr:
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"""创建 3 节点链表,直接访问 Next 字段"""
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a: G4Node | t.CPtr = new_g4node(pool)
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b: G4Node | t.CPtr = new_g4node(pool)
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c: G4Node | t.CPtr = new_g4node(pool)
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if a is None or b is None or c is None:
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return None
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a.IntVal = 100
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b.IntVal = 200
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c.IntVal = 300
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# 直接访问 Next 字段(不通过 g4node_set_next 访问器)
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a.Next = b
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b.Next = c
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return a
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def caller1_sum_chain(head: G4Node | t.CPtr) -> t.CInt:
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"""遍历链表求和,直接访问 Next 字段"""
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if head is None:
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return 0
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total: t.CInt = head.IntVal
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cur: G4Node | t.CPtr = head
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# 直接访问 Next 字段(不通过 g4node_get_next 访问器)
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while cur.Next is not None:
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cur = cur.Next
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total = total + cur.IntVal
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return total
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