feat: add highlight & injection queries

grammar.js

@@ -32,33 +32,27 @@ module.exports = grammar({
       alias($._equals_end, $.separator),
     ),
 
-    attributes: $ => repeat1(
-      field("attribute", choice(
-        $.skip,
-        $.error,
-        $.fail_fast,
-        $.language,
-        $.platform,
-      ))
+    attributes: $ => repeat1($.attribute),
+
+    attribute: $ => choice(
+      ":skip",
+      ":error",
+      ":fail-fast",
+      $._language,
+      $._platform,
     ),
 
-    skip: _ => ":skip",
-
-    error: _ => ":error",
-
-    fail_fast: _ => ":fail-fast",
-
-    language: $ => seq(
+    _language: $ => seq(
       ":language",
       token.immediate("("),
-      alias($._lang, $.parameter),
+      field("language", alias($._lang, $.parameter)),
       token.immediate(")")
     ),
 
-    platform: $ => seq(
+    _platform: $ => seq(
       ":platform",
       token.immediate("("),
-      alias($._os, $.parameter),
+      field("platform", alias($._os, $.parameter)),
       token.immediate(")")
     ),
 

queries/highlights.scm

@@ -1 +1,24 @@
-; TODO: add highlight queries here
+(name) @markup.heading
+
+[
+  (input)
+  (output)
+] @markup.raw.block
+
+[
+  ":skip"
+  ":error"
+  ":fail-fast"
+  ":language"
+  ":platform"
+] @attribute
+
+(attribute
+  language: (parameter) @string)
+
+(attribute
+  platform: (parameter) @constant.builtin)
+
+(separator) @punctuation.delimiter
+
+[ "(" ")" ] @punctuation.bracket

queries/injections.scm

@@ -1 +1,29 @@
-; TODO: add injection queries here
+(test
+  (header
+    (name)
+    (attributes
+      . ; skip over non-language attributes
+      (attribute
+        !language)*
+      . ; select only the first language attribute
+      (attribute
+        language: (parameter) @injection.language)))
+  (input) @injection.input)
+
+((test
+  (output) @injection.content)
+  (#set! injection.language "query"))
+
+; NOTE: dynamic injection
+; ((test
+;   (header
+;     [
+;       (attributes
+;         (attribute
+;           !language))
+;       ((name)
+;         .
+;         (separator))
+;     ])
+;   (input) @injection.content)
+;  (#set! injection.language "{}"))