feat(lang): Cpon lang support (#2355)

Co-authored-by: Fanda Vacek <fvacek@elektroline.cz>

book/src/generated/lang-support.md

@@ -6,6 +6,7 @@
 | cairo | ✓ |  |  |  |
 | cmake | ✓ | ✓ | ✓ | `cmake-language-server` |
 | comment | ✓ |  |  |  |
+| cpon | ✓ |  | ✓ |  |
 | cpp | ✓ | ✓ | ✓ | `clangd` |
 | css | ✓ |  |  | `vscode-css-language-server` |
 | dart | ✓ |  | ✓ | `dart` |

languages.toml

@@ -1289,3 +1289,17 @@ indent = { tab-width = 4, unit = "    " }
 [[grammar]]
 name = "cairo"
 source = { git = "https://github.com/archseer/tree-sitter-cairo", rev = "5155c6eb40db6d437f4fa41b8bcd8890a1c91716" }
+
+[[language]]
+name = "cpon"
+scope = "scope.cpon"
+injection-regex = "^cpon$"
+file-types = ["cpon", "cp"]
+roots = []
+auto-format = true
+comment-token = "//"
+indent = { tab-width = 2, unit = "  " }
+
+[[grammar]]
+name = "cpon"
+source = { git = "https://github.com/fvacek/tree-sitter-cpon", rev = "11ba46a4de3eb86934003133099c9963a60f9687" }

runtime/queries/cpon/highlights.scm

@@ -0,0 +1,26 @@
+[
+  (true)
+  (false)
+] @constant.builtin.boolean
+(null) @constant.builtin
+(number) @constant.numeric
+(pair
+  key: (_) @keyword)
+(ipair
+  key: (_) @keyword)
+(mpair
+  key: (_) @keyword)
+
+(string) @string
+(escape_sequence) @constant.character.escape
+(ERROR) @error
+
+"," @punctuation.delimiter
+[
+  "["
+  "]"
+  "{"
+  "}"
+  "<"
+  ">"
+] @punctuation.bracket

runtime/queries/cpon/indents.scm

@@ -0,0 +1,12 @@
+[
+  (meta)
+  (map)
+  (imap)
+  (array)
+] @indent
+
+[
+  "]"
+  "}"
+  ">"
+] @outdent