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packing: Improve panic messages

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This commit is contained in:
Hajime Hoshi 2018-07-22 05:29:02 +09:00
parent 09dcba40ab
commit c15348f939
1 changed files with 3 additions and 3 deletions
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6
internal/packing/packing.go
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@ -147,7 +147,7 @@ func (p *Page) Size() int {
func (p *Page) Alloc(width, height int) *Node { func (p *Page) Alloc(width, height int) *Node {
if width <= 0 || height <= 0 { if width <= 0 || height <= 0 {
panic("bsp: width and height must > 0") panic("packing: width and height must > 0")
} }
if p.root == nil { if p.root == nil {
p.root = &Node{ p.root = &Node{
@ -167,14 +167,14 @@ func (p *Page) Alloc(width, height int) *Node {
func (p *Page) Free(node *Node) { func (p *Page) Free(node *Node) {
if node.child0 != nil || node.child1 != nil { if node.child0 != nil || node.child1 != nil {
panic("bsp: can't free the node including children") panic("packing: can't free the node including children")
} }
node.used = false node.used = false
if node.parent == nil { if node.parent == nil {
return return
} }
if node.parent.child0 == nil || node.parent.child1 == nil { if node.parent.child0 == nil || node.parent.child1 == nil {
panic("not reached") panic("not reached: double free?")
} }
if node.parent.child0.canFree() && node.parent.child1.canFree() { if node.parent.child0.canFree() && node.parent.child1.canFree() {
node.parent.child0 = nil node.parent.child0 = nil