Use tree-sitter-ruby for crystal (helix-editor#5205)

book/src/generated/lang-support.md

@@ -16,7 +16,7 @@
 | common-lisp | ✓ |  |  | `cl-lsp` |
 | cpon | ✓ |  | ✓ |  |
 | cpp | ✓ | ✓ | ✓ | `clangd` |
-| crystal | ✓ |  |  |  |
+| crystal | ✓ | ✓ |  |  |
 | css | ✓ |  |  | `vscode-css-language-server` |
 | cue | ✓ |  |  | `cuelsp` |
 | d | ✓ | ✓ | ✓ | `serve-d` |

languages.toml

@@ -230,10 +230,7 @@ file-types = ["cr"]
 roots = ["shard.yml", "shard.lock"]
 comment-token = "#"
 indent = { tab-width = 2, unit = "  " }
-
-[[grammar]]
-name = "crystal"
-source = { git = "https://github.com/will/tree-sitter-crystal", rev = "15597b307b18028b04d288561f9c29794621562b" }
+grammar = "ruby"
 
 [[language]]
 name = "c-sharp"

runtime/queries/crystal/highlights.scm

@@ -1,66 +1 @@
-[
-  "class"
-  "struct"
-  "module"
-
-  "def"
-  "alias"
-  "do"
-  "end"
-
-  "require"
-  "include"
-  "extend"
-] @keyword
-
-[
-  "[" "]"
-  "(" ")"
-  "{" "}"
-] @punctuation.bracket
-
-(operator) @operator
-
-(comment) @comment
-
-; literals
-
-(nil) @constant.builtin
-(bool) @constant.builtin.boolean
-
-(integer) @constant.numeric.integer
-(float) @constant.numeric.float
-
-[
-  (string)
-  (char)
-  (commandLiteral)
-] @string
-
-(symbol) @string.special.symbol
-
-(regex) @string.special.regex
-
-; variables
-
-(local_variable) @variable
-
-[
-  (instance_variable)
-  (class_variable)
-] @variable.other.member
-
-(constant) @constant
-
-; type defintitions
-
-(type_identifier) @constructor
-
-; method definition/call
-(identifier) @function.method
-
-; types
-(generic_type) @type
-(union_type) @type
-(type_identifier) @type
-
+; inherits: ruby

runtime/queries/crystal/injections.scm

@@ -0,0 +1 @@
+; inherits: ruby

runtime/queries/crystal/locals.scm

@@ -0,0 +1 @@
+; inherits: ruby

runtime/queries/crystal/textobjects.scm

@@ -0,0 +1 @@
+; inherits: ruby