Add initial Smithy support (helix-editor#6370)

book/src/generated/lang-support.md

@@ -123,6 +123,7 @@
 | scheme | ✓ |  |  |  |
 | scss | ✓ |  |  | `vscode-css-language-server` |
 | slint | ✓ |  | ✓ | `slint-lsp` |
+| smithy | ✓ |  |  | `cs` |
 | sml | ✓ |  |  |  |
 | solidity | ✓ |  |  | `solc` |
 | sql | ✓ |  |  |  |

languages.toml

@@ -2355,3 +2355,17 @@ indent = { tab-width = 2, unit = "  " }
 [[grammar]]
 name = "capnp"
 source = { git = "https://github.com/amaanq/tree-sitter-capnp", rev = "fc6e2addf103861b9b3dffb82c543eb6b71061aa" }
+
+[[language]]
+name = "smithy"
+scope = "source.smithy"
+injection-regex = "smithy"
+file-types = ["smithy"]
+roots = ["smithy-build.json"]
+comment-token = "//"
+indent = { tab-width = 4, unit = "    " }
+language-server = { command = "cs", args = ["launch", "com.disneystreaming.smithy:smithy-language-server:latest.release", "--", "0"] }
+
+[[grammar]]
+name = "smithy"
+source = { git = "https://github.com/indoorvivants/tree-sitter-smithy", rev = "cf8c7eb9faf7c7049839585eac19c94af231e6a0" }

runtime/queries/smithy/highlights.scm

@@ -0,0 +1,102 @@
+; Queries are taken from: https://github.com/indoorvivants/tree-sitter-smithy/blob/main/queries/highlights.scm
+; Preproc
+(control_key) @keyword.directive
+
+; Namespace
+(namespace) @namespace
+
+; Includes
+[
+  "use"
+] @keyword.control.import
+
+; Builtins
+(primitive) @type.builtin
+[
+  "enum"
+  "intEnum"
+  "list"
+  "map"
+  "set"
+] @type.builtin
+
+; Fields (Members)
+; (field) @variable.other.member
+
+(key_identifier) @variable.other.member
+(shape_member
+  (field) @variable.other.member)
+(operation_field) @variable.other.member
+(operation_error_field) @variable.other.member
+
+; Constants
+(enum_member
+  (enum_field) @type.enum)
+
+; Types
+(identifier) @type
+(structure_resource
+  (shape_id) @type)
+
+; Attributes
+(mixins
+  (shape_id) @attribute)
+(trait_statement
+  (shape_id) @attribute)
+
+; Operators
+[
+  "@"
+  "-"
+  "="
+  ":="
+] @operator
+
+; Keywords
+[
+  "namespace"
+  "service"
+  "structure"
+  "operation"
+  "union"
+  "resource"
+  "metadata"
+  "apply"
+  "for"
+  "with"
+] @keyword
+
+; Literals
+(string) @string
+(escape_sequence) @constant.character.escape
+
+(number) @constant.numeric
+
+(float) @constant.numeric.float
+
+(boolean) @constant.builtin.boolean
+
+(null) @constant.builtin
+
+; Misc
+[
+  "$"
+  "#"
+] @punctuation.special
+
+["{" "}"] @punctuation.bracket
+
+["(" ")"] @punctuation.bracket
+
+["[" "]"] @punctuation.bracket
+
+[
+  ":"
+  "."
+] @punctuation.delimiter
+
+; Comments
+[
+  (comment)
+  (documentation_comment)
+] @comment