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Escape double quotes for anonymous nodes in :tree-sitter-subtree

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If the anonymous node contained a double quote it would throw off the
highlighting.
This commit is contained in:
Michael Davis 2025-01-02 15:33:48 -05:00
parent c9cc14728f
commit 38e8382b01
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1 changed files with 10 additions and 2 deletions
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12
helix-core/src/syntax.rs
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@ -2666,12 +2666,20 @@ fn node_is_visible(node: &Node) -> bool {
node.is_missing() || (node.is_named() && node.language().node_kind_is_visible(node.kind_id()))
}
fn format_anonymous_node_kind(kind: &str) -> Cow<str> {
if kind.contains('"') {
Cow::Owned(kind.replace('"', "\\\""))
} else {
Cow::Borrowed(kind)
}
}
pub fn pretty_print_tree<W: fmt::Write>(fmt: &mut W, node: Node) -> fmt::Result {
if node.child_count() == 0 {
if node_is_visible(&node) {
write!(fmt, "({})", node.kind())
} else {
write!(fmt, "\"{}\"", node.kind())
write!(fmt, "\"{}\"", format_anonymous_node_kind(node.kind()))
}
} else {
pretty_print_tree_impl(fmt, &mut node.walk(), 0)
@ -2696,7 +2704,7 @@ fn pretty_print_tree_impl<W: fmt::Write>(
write!(fmt, "({}", node.kind())?;
} else {
write!(fmt, " \"{}\"", node.kind())?;
write!(fmt, " \"{}\"", format_anonymous_node_kind(node.kind()))?;
}
// Handle children.