feat(languages): jsonnet

Add jsonnet language and syntax highlight

Author: matoous

book/src/generated/lang-support.md

@@ -53,6 +53,7 @@
 | javascript | ✓ | ✓ | ✓ | `typescript-language-server` |
 | jsdoc | ✓ |  |  |  |
 | json | ✓ |  | ✓ | `vscode-json-language-server` |
+| jsonnet | ✓ | | | |
 | jsx | ✓ | ✓ | ✓ | `typescript-language-server` |
 | julia | ✓ |  |  | `julia` |
 | kotlin | ✓ |  |  | `kotlin-language-server` |

languages.toml

@@ -1712,3 +1712,16 @@ language-server = { command = "pasls", args = [] }
 [[grammar]]
 name = "pascal"
 source = { git = "https://github.com/Isopod/tree-sitter-pascal", rev = "2fd40f477d3e2794af152618ccfac8d92eb72a66" }
+
+[[language]]
+name = "jsonnet"
+scope = "source.jsonnet"
+file-types = ["libsonnet", "jsonnet"]
+roots = []
+comment-token = "//"
+indent = { tab-width = 2, unit = "  " }
+
+[[grammar]]
+name = "jsonnet"
+source = { git = "https://github.com/sourcegraph/tree-sitter-jsonnet", rev = "0475a5017ad7dc84845d1d33187f2321abcb261d" }
+

runtime/queries/jsonnet/highlights.scm

@@ -0,0 +1,27 @@
+"if" @conditional
+[
+  (local)
+  "function"
+] @keyword
+(comment) @comment
+
+(string) @string
+(number) @number
+[
+  (true)
+  (false)
+] @boolean
+
+(binaryop) @operator
+(unaryop) @operator
+
+(id) @variable
+(param identifier: (id) @variable.parameter)
+(bind function: (id) @function)
+(fieldname) @string.special
+[
+  "["
+  "]"
+  "{"
+  "}"
+] @punctuation.bracket