1 files changed, 49 insertions, 3 deletions

diff --git a/editors/code/package.json b/editors/code/package.json
index 9ef6c6983..ad1101603 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -18,6 +18,7 @@
     "engines": {
         "vscode": "^1.42.0"
     },
+    "enableProposedApi": true,
     "scripts": {
         "vscode:prepublish": "tsc && rollup -c",
         "package": "vsce package -o rust-analyzer.vsix",
@@ -27,7 +28,6 @@
     "dependencies": {
         "jsonc-parser": "^2.1.0",
         "node-fetch": "^2.6.0",
-        "throttle-debounce": "^2.1.0",
         "vscode-languageclient": "^6.1.1"
     },
     "devDependencies": {
@@ -35,14 +35,13 @@
         "@rollup/plugin-node-resolve": "^7.1.1",
         "@types/node": "^12.12.27",
         "@types/node-fetch": "^2.5.4",
-        "@types/throttle-debounce": "^2.1.0",
         "@types/vscode": "^1.42.0",
         "@typescript-eslint/eslint-plugin": "^2.20.0",
         "@typescript-eslint/parser": "^2.20.0",
         "eslint": "^6.8.0",
         "rollup": "^1.31.1",
         "tslib": "^1.10.0",
-        "typescript": "^3.7.5",
+        "typescript": "^3.8.2",
         "typescript-formatter": "^7.2.2",
         "vsce": "^1.73.0"
     },
@@ -169,6 +168,11 @@
             "type": "object",
             "title": "Rust Analyzer",
             "properties": {
+                "rust-analyzer.highlighting.semanticTokens": {
+                    "type": "boolean",
+                    "default": false,
+                    "description": "Use proposed semantic tokens API for syntax highlighting"
+                },
                 "rust-analyzer.highlightingOn": {
                     "type": "boolean",
                     "default": false,
@@ -375,6 +379,48 @@
                     "highContrast": "#BEBEBE"
                 }
             }
+        ],
+        "semanticTokenTypes": [
+            {
+                "id": "attribute"
+            },
+            {
+                "id": "constant"
+            }
+        ],
+        "semanticTokenModifiers": [
+            {
+                "id": "mutable"
+            },
+            {
+                "id": "unsafe"
+            },
+            {
+                "id": "control"
+            },
+            {
+                "id": "builtin"
+            }
+        ],
+        "semanticTokenStyleDefaults": [
+            {
+                "selector": "*.mutable",
+                "light": {
+                    "fontStyle": "underline"
+                },
+                "dark": {
+                    "fontStyle": "underline"
+                },
+                "highContrast": {
+                    "fontStyle": "underline"
+                }
+            },
+            {
+                "selector": "constant",
+                "scope": [
+                    "entity.name.constant"
+                ]
+            }
         ]
     }
 }