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layout: Implement flow tree dumping with RUST_LOG=debug is on.
r? @pcwalton
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5 changed files with 29 additions and 10 deletions
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@ -126,11 +126,6 @@ pub trait TLayoutNode {
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/// Returns the first child of this node.
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fn first_child(&self) -> Option<Self>;
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/// Dumps this node tree, for debugging.
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fn dump(&self) {
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// TODO(pcwalton): Reimplement this in a way that's safe for layout to call.
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}
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}
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/// A wrapper so that layout can access only the methods that it should have access to. Layout must
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@ -206,6 +201,28 @@ impl<'ln> LayoutNode<'ln> {
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})
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}
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pub fn dump(self) {
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self.dump_indent(0);
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}
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fn dump_indent(self, indent: uint) {
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let mut s = String::new();
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for _ in range(0, indent) {
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s.push_str(" ");
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}
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s.push_str(self.debug_str().as_slice());
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error!("{:s}", s);
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for kid in self.children() {
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kid.dump_indent(indent + 1);
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}
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}
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fn debug_str(self) -> String {
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format!("{}: dirty={}", self.type_id(), self.is_dirty())
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}
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pub fn flow_debug_id(self) -> uint {
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let layout_data_ref = self.borrow_layout_data();
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match *layout_data_ref {
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