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4b63ac4b87
* fixes #21171; dyn destructors for acyclic inherited refs * add a test * Update compiler/liftdestructors.nim
78 lines
1.4 KiB
Nim
78 lines
1.4 KiB
Nim
discard """
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matrix: "--mm:orc"
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"""
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import std/[with]
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type
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Node* {.acyclic.} = ref object of RootObj
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name: string
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data: pointer
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children: seq[Node]
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TextNode = ref object of Node
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text: string
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proc fakeEcho(s: string) =
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if s.len < 0:
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echo s
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proc newNode[T: Node](parent: Node): T =
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new result
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result.data = alloc0(250)
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parent.children.add(result)
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proc newRootNode(): Node =
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new result
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result.data = alloc0(250)
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method printNode(node: Node) {.base.} =
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fakeEcho node.name
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method printNode(node: TextNode) =
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procCall printNode(Node(node))
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fakeEcho node.text
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proc printChildren(node: Node) =
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for child in node.children:
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child.printNode()
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printChildren(child)
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proc free(node: Node) =
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for child in node.children:
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free(child)
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dealloc(node.data)
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template node(parent: Node, body: untyped): untyped =
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var node = newNode[Node](parent)
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with node:
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body
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proc textNode(parent: Node, text: string) =
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var node = newNode[TextNode](parent)
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node.text = text
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template withRootNode(body: untyped): untyped =
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var root = newRootNode()
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root.name = "root"
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with root:
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body
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root.printNode()
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printChildren(root)
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root.free()
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proc doTest() =
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withRootNode:
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node:
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name = "child1"
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node:
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name = "child2"
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node:
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name = "child3"
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textNode "Hello, world!"
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# bug #21171
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if isMainModule:
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for i in 0..100000:
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doTest()
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