Add rainbow tree-sitter highlights

ref: https://github.com/helix-editor/helix/issues/695
ref: https://github.com/helix-editor/helix/pull/2857

Co-authored-by: Michael Davis <mcarsondavis@gmail.com>

1 files changed, 60 insertions, 0 deletions

diff --git a/runtime/queries/rust/rainbows.scm b/runtime/queries/rust/rainbows.scm
new file mode 100644
index 00000000..0656047b
--- /dev/null
+++ b/runtime/queries/rust/rainbows.scm
@@ -0,0 +1,60 @@
+[
+  ; {/}
+  (declaration_list)
+  (field_declaration_list)
+  (field_initializer_list)
+  (enum_variant_list)
+  (block)
+  (match_block)
+  (use_list)
+  (struct_pattern)
+
+  ; (/)
+  (ordered_field_declaration_list)
+  (arguments)
+  (parameters)
+  (tuple_type)
+  (tuple_expression)
+  (tuple_pattern)
+  (tuple_struct_pattern)
+  (unit_type)
+  (unit_expression)
+  (visibility_modifier)
+  (parenthesized_expression)
+  (token_repetition_pattern)
+
+  ; </>
+  (type_parameters)
+  (type_arguments)
+  (bracketed_type)
+  (for_lifetimes)
+
+  ; [/]
+  (array_type)
+  (array_expression)
+  (index_expression)
+  (slice_pattern)
+
+  ; attributes #[]
+  (attribute_item)
+  (inner_attribute_item)
+
+  ; macros
+  (token_tree_pattern)
+  (macro_definition)
+
+  ; closures
+  (closure_parameters)
+] @rainbow.scope
+
+; attributes like `#[serde(rename_all = "kebab-case")]`
+(attribute arguments: (token_tree) @rainbow.scope)
+
+[
+  "#"
+  "[" "]"
+  "(" ")"
+  "{" "}"
+  "<" ">"
+  "|"
+] @rainbow.bracket