feat(queries): add highlight queries

bindings/rust/lib.rs

@@ -39,12 +39,8 @@ pub fn language() -> Language {
 /// [`node-types.json`]: https://tree-sitter.github.io/tree-sitter/using-parsers#static-node-types
 pub const NODE_TYPES: &str = include_str!("../../src/node-types.json");
 
-// Uncomment these to include any queries that this grammar contains
-
-// pub const HIGHLIGHTS_QUERY: &str = include_str!("../../queries/highlights.scm");
-// pub const INJECTIONS_QUERY: &str = include_str!("../../queries/injections.scm");
-// pub const LOCALS_QUERY: &str = include_str!("../../queries/locals.scm");
-// pub const TAGS_QUERY: &str = include_str!("../../queries/tags.scm");
+/// The highlight queries for this grammar.
+pub const HIGHLIGHTS_QUERY: &str = include_str!("../../queries/highlights.scm");
 
 #[cfg(test)]
 mod tests {

package.json

@@ -66,6 +66,7 @@
         "yaml"
       ],
       "injection-regex": "^ya?ml$",
+      "highlights": "queries/highlights.scm",
       "external-files": [
         "src/schema.generated.c"
       ]

queries/highlights.scm

@@ -0,0 +1,79 @@
+(boolean_scalar) @boolean
+
+(null_scalar) @constant.builtin
+
+[
+  (double_quote_scalar)
+  (single_quote_scalar)
+  (block_scalar)
+  (string_scalar)
+] @string
+
+[
+  (integer_scalar)
+  (float_scalar)
+] @number
+
+(comment) @comment
+
+[
+  (anchor_name)
+  (alias_name)
+] @label
+
+(tag) @type
+
+[
+  (yaml_directive)
+  (tag_directive)
+  (reserved_directive)
+] @attribute
+
+(block_mapping_pair
+  key: (flow_node
+    [
+      (double_quote_scalar)
+      (single_quote_scalar)
+    ] @property))
+
+(block_mapping_pair
+  key: (flow_node
+    (plain_scalar
+      (string_scalar) @property)))
+
+(flow_mapping
+  (_
+    key: (flow_node
+      [
+        (double_quote_scalar)
+        (single_quote_scalar)
+      ] @property)))
+
+(flow_mapping
+  (_
+    key: (flow_node
+      (plain_scalar
+        (string_scalar) @property))))
+
+[
+  ","
+  "-"
+  ":"
+  ">"
+  "?"
+  "|"
+] @punctuation.delimiter
+
+[
+  "["
+  "]"
+  "{"
+  "}"
+] @punctuation.bracket
+
+[
+  "*"
+  "&"
+  "---"
+  "..."
+] @punctuation.special

test/highlight/core.yaml

@@ -0,0 +1,32 @@
+A null: null
+# <- @property
+#     ^ @punctuation.delimiter
+#       ^^^^ @constant.builtin
+Also a null: # Empty
+#            ^^^^^^^ @comment
+Not a null: ""
+#           ^^ @string
+Booleans: [ true, True, false, FALSE ]
+#         ^ @punctuation.bracket
+#                                    ^ @punctuation.bracket
+#               ^ @punctuation.delimiter
+#           ^^^^ @boolean
+#                 ^^^^ @boolean
+#                       ^^^^^ @boolean
+#                              ^^^^^ @boolean
+Integers: [ 0, 0o7, 0x3A, -19 ]
+#           ^ @number
+#              ^^^ @number
+#                   ^^^^ @number
+#                         ^^^ @number
+Floats: [ 0., -0.0, .5, +12e03, -2E+05 ]
+#         ^^ @number
+#             ^^^^ @number
+#                   ^^ @number
+#                       ^^^^^^ @number
+#                               ^^^^^^ @number
+Also floats: [ .inf, -.Inf, +.INF, .NAN ]
+#              ^^^^ @number
+#                    ^^^^^ @number
+#                           ^^^^^ @number
+#                                  ^^^^ @number