Merge #5687
5687: Fix document symbols order r=matklad a=magurotuna Resolves #5655 And adds tests for `handle_document_symbol`, both with `hierarchical_symbols` enabled and with it disabled. Previously document symbols were displayed in reverse order in sublime text with its LSP plugin, but this patch fixes it like this: ![image](https://user-images.githubusercontent.com/23649474/89709020-fbccce00-d9b6-11ea-83b0-c88dc9f7977f.png) Co-authored-by: Yusuke Tanaka <yusuktan@maguro.dev>
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@ -272,19 +272,24 @@ pub(crate) fn handle_document_symbol(
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parents.push((doc_symbol, symbol.parent));
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}
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let mut document_symbols = Vec::new();
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// Constructs `document_symbols` from `parents`, in order from the end.
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while let Some((node, parent)) = parents.pop() {
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match parent {
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None => document_symbols.push(node),
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Some(i) => {
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let children = &mut parents[i].0.children;
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if children.is_none() {
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*children = Some(Vec::new());
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}
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children.as_mut().unwrap().push(node);
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parents[i].0.children.get_or_insert_with(Vec::new).push(node);
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}
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}
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}
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fn reverse(symbols: &mut Vec<DocumentSymbol>) {
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for sym in symbols.iter_mut() {
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sym.children.as_mut().map(|c| reverse(c));
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}
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symbols.reverse();
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}
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reverse(&mut document_symbols);
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let res = if snap.config.client_caps.hierarchical_symbols {
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document_symbols.into()
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} else {
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