add ebnf language

Author: mrnossiom

book/src/generated/lang-support.md

@@ -59,6 +59,7 @@
 | dune | ✓ |  |  |  |  |  |
 | dunstrc | ✓ |  |  |  |  |  |
 | earthfile | ✓ | ✓ | ✓ |  |  | `earthlyls` |
+| ebnf | ✓ |  |  |  |  | `ebnfer` |
 | edoc | ✓ |  |  |  |  |  |
 | eex | ✓ |  |  |  |  |  |
 | eiffel | ✓ | ✓ | ✓ |  |  | `eiffel-language-server` |

languages.toml

@@ -173,6 +173,7 @@ teal-language-server = { command = "teal-language-server" }
 wasm-language-tools = { command = "wat_server" }
 sourcepawn-studio = { command = "sourcepawn-studio" }
 luau = { command = "luau-lsp", args = ["lsp"] }
+ebnfer = { command = "ebnfer" }
 
 [language-server.ansible-language-server]
 command = "ansible-language-server"
@@ -5323,3 +5324,17 @@ comment-token = "#"
 [[grammar]]
 name = "gnuplot"
 source = { git = "https://codeberg.org/maribu/tree-sitter-gnuplot", rev = "21a3a3929facb964b3592daeb69119294ff84cf2" }
+
+[[language]]
+name = "ebnf"
+scope = "source.ebnf"
+file-types = ["ebnf"]
+injection-regex = "ebnf"
+language-servers = ["ebnfer"]
+indent = { tab-width = 4, unit = "    " }
+block-comment-tokens = { end = "*)", start = "(*" }
+
+
+[[grammar]]
+name = "ebnf"
+source = { git = "https://github.com/RubixDev/ebnf/", rev = "8e635b0b723c620774dfb8abf382a7f531894b40", subpath = "crates/tree-sitter-ebnf" }

runtime/queries/c/highlights.scm

@@ -1,4 +1,3 @@
-
 (identifier) @variable
 
 ((identifier) @constant

runtime/queries/ebnf/highlights.scm

@@ -0,0 +1,34 @@
+;; Simple tokens
+(terminal) @string
+
+(special_sequence) @string.special
+
+(integer) @number
+
+(comment) @comment.block
+
+;; Identifiers
+(identifier) @identifier
+
+;; Punctuation
+[
+ ";"
+ ","
+] @punctuation.delimiter
+
+[
+ "|"
+ "*"
+ "-"
+] @operator
+
+"=" @keyword.operator
+
+[
+ "("
+ ")"
+ "["
+ "]"
+ "{"
+ "}"
+] @punctuation.bracket