feat!: drop modules, general refactor and cleanup

runtime/queries/ocamllex/highlights.scm

@@ -0,0 +1,41 @@
+; Allow OCaml highlighter
+
+(ocaml) @none
+
+; Regular expressions
+
+(regexp_name) @variable
+
+[(eof) (any)] @constant
+
+(character) @character
+
+(string) @string
+(escape_sequence) @string.escape
+
+(character_set "^" @punctuation.special)
+(character_range "-" @punctuation.delimiter)
+
+(regexp_difference ["#"] @operator)
+(regexp_repetition ["?" "*" "+"] @operator)
+(regexp_alternative ["|"] @operator)
+
+; Rules
+
+(lexer_entry_name) @function
+(lexer_argument) @parameter
+
+(lexer_entry ["=" "|"] @punctuation.delimiter)
+
+; keywords
+
+["and" "as" "let" "parse" "refill" "rule" "shortest"] @keyword
+
+; Punctuation
+
+["[" "]" "(" ")" "{" "}"] @punctuation.bracket
+
+; Misc
+
+(comment) @comment
+(ERROR) @error

runtime/queries/ocamllex/injections.scm

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+((ocaml) @injection.content
+ (#set! injection.language "ocaml"))
+
+((comment) @injection.content
+ (#set! injection.language "comment"))