Add a simple language server for HDL (nand2tetris) (#14415)

Author: quantonganh

book/src/generated/lang-support.md

@@ -107,7 +107,7 @@
 | haskell | ✓ | ✓ |  |  |  | `haskell-language-server-wrapper` |
 | haskell-persistent | ✓ |  |  |  |  |  |
 | hcl | ✓ | ✓ | ✓ |  |  | `terraform-ls` |
-| hdl | ✓ |  |  |  |  |  |
+| hdl | ✓ |  |  |  |  | `hdls` |
 | heex | ✓ | ✓ |  |  |  | `elixir-ls`, `expert` |
 | helm | ✓ |  |  |  |  | `helm_ls` |
 | hocon | ✓ | ✓ | ✓ |  |  |  |

languages.toml

@@ -56,6 +56,7 @@ glsl_analyzer = { command = "glsl_analyzer" }
 graphql-language-service = { command = "graphql-lsp", args = ["server", "-m", "stream"] }
 harper-ls = { command = "harper-ls", args = ["--stdio"] }
 haskell-language-server = { command = "haskell-language-server-wrapper", args = ["--lsp"] }
+hdls = { command = "hdls" }
 hyprls = { command = "hyprls" }
 idris2-lsp = { command = "idris2-lsp" }
 intelephense = { command = "intelephense", args = ["--stdio"] }
@@ -3401,10 +3402,11 @@ scope = "source.hdl"
 file-types = ["hdl"]
 indent = { tab-width = 4, unit = "    " }
 injection-regex = "hdl"
+language-servers = [ "hdls" ]
 
 [[grammar]]
 name = "hdl"
-source = { git = "https://github.com/quantonganh/tree-sitter-hdl", rev = "7d0418fd71470b0430e6f914cc76c1a9d968491d" }
+source = { git = "https://github.com/quantonganh/tree-sitter-hdl", rev="293902330423b2cd36ab1ec4b6b967163a4ed57b" }
 
 [[language]]
 name = "vhdl"

runtime/queries/hdl/highlights.scm

@@ -4,6 +4,8 @@
   "IN"
   "OUT"
   "PARTS"
+  "BUILTIN"
+  "CLOCKED"
 ] @keyword
 
 (identifier) @variable
@@ -17,12 +19,26 @@
 (out_section
   output_pin_name: (identifier) @variable.parameter)
 
+(builtin_body
+  chip_name: (identifier) @function)
+
+(clocked_body
+  (identifier) @variable.parameter)
+
 (part
   chip_name: (identifier) @function)
 
 (connection
   part_pin: (identifier) @variable.other.member
-  chip_pin: (identifier) @variable.parameter)
+  chip_pin: [
+    (identifier) @variable.parameter
+    (bus_identifier
+      (identifier) @variable.parameter
+      (number) @constant.numeric)
+  ])
+
+(bus_identifier
+  (number) @constant.numeric)
 
 ;; Comments
 (comment) @comment