feat: Add ADL language support (helix-editor#10029)

* feat: Add ADL language support

* removed error match & change captures to match https://docs.helix-editor.com/master/themes.html\#syntax-highlighting

* fixes to grammar, highlight changes based on PR and grammar fixes

book/src/generated/lang-support.md

@@ -1,6 +1,7 @@
 | Language | Syntax Highlighting | Treesitter Textobjects | Auto Indent | Default LSP |
 | --- | --- | --- | --- | --- |
 | ada | ✓ | ✓ | | `ada_language_server`, `ada_language_server` |
+| adl | ✓ | ✓ | ✓ | |
 | agda | ✓ | | | |
 | astro | ✓ | | | |
 | awk | ✓ | ✓ | | `awk-language-server` |

languages.toml

@@ -3479,3 +3479,21 @@ language-servers = ["earthlyls"]
 [[grammar]]
 name = "earthfile"
 source = { git = "https://github.com/glehmann/tree-sitter-earthfile", rev = "2a6ab191f5f962562e495a818aa4e7f45f8a556a" }
+
+[[language]]
+name = "adl"
+scope = "source.adl"
+injection-regex = "adl"
+file-types = ["adl"]
+roots = []
+comment-token = "//"
+indent = { tab-width = 2, unit = " " }
+
+[language.auto-pairs]
+'"' = '"'
+'{' = '}'
+'<' = '>'
+
+[[grammar]]
+name = "adl"
+source = { git = "https://github.com/adl-lang/tree-sitter-adl", rev = "2787d04beadfbe154d3f2da6e98dc45a1b134bbf" }

runtime/queries/adl/highlights.scm

@@ -0,0 +1,37 @@
+; adl
+
+[
+"module"
+"struct"
+"union"
+"type"
+"newtype"
+"annotation"
+] @keyword
+
+(adl (scoped_name)) @namespace
+(comment) @comment
+(doc_comment) @comment.block.documentation
+(name) @type
+
+(fname) @variable.other.member
+
+(type_expr (scoped_name) @type)
+
+(type_expr_params (param (scoped_name) @type.parameter))
+
+; json
+(key) @string.special
+
+(string) @string
+
+(number) @constant.numeric
+
+[
+ (null)
+ (true)
+ (false)
+] @constant.builtin
+
+(escape_sequence) @constant.character.escape
+

runtime/queries/adl/indents.scm

@@ -0,0 +1,12 @@
+[
+ (struct)
+ (union)
+
+ (array)
+ (object)
+] @indent
+
+; [
+; "}"
+; "]"
+; ] @outdent

runtime/queries/adl/textobjects.scm

@@ -0,0 +1 @@
+(struct (_) @function.inside) @funtion.around