extension/package.json: treat *.s files as Go Assembly, language go.asm

This enables "Go to definition" on symbols in Go assembly files.

Updates golang/go#71754

Change-Id: I86d08e0cbc2ed91afcfac02c09c0792266ab3b00
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/680515
Auto-Submit: Alan Donovan <[email protected]>
kokoro-CI: kokoro <[email protected]>
Reviewed-by: Hongxiang Jiang <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>

Author: adonovan

extension/package.json

@@ -98,6 +98,7 @@
     "onLanguage:go",
     "onLanguage:go.sum",
     "onLanguage:gotmpl",
+    "onLanguage:go.asm",
     "onDebugInitialConfigurations",
     "onDebugResolve:go",
     "onWebviewPanel:welcomeGo"
@@ -129,6 +130,15 @@
           "Go"
         ]
       },
+      {
+        "id": "go.asm",
+        "extensions": [
+          ".s"
+        ],
+        "aliases": [
+          "Go Assembly"
+        ]
+      },
       {
         "id": "go.mod",
         "filenames": [

extension/src/goMode.ts

@@ -21,6 +21,7 @@ export function isGoFile(document: vscode.TextDocument): boolean {
 export const GoDocumentSelector = [
 	// gopls handles only file URIs.
 	{ language: 'go', scheme: 'file' },
+	{ language: 'go.asm', scheme: 'file' },
 	{ language: 'go.mod', scheme: 'file' },
 	{ language: 'go.sum', scheme: 'file' },
 	{ language: 'go.work', scheme: 'file' },