Semantic highlight and document symbols on slang 0.10 (#523)

* feat: semantic highlighting

* feat: documentSymbol - project outline

* chore: migrate to slang 0.10.1

semantic highlight

* track performance spans

* error tolerance for document symbols

* decouple onSemanticTokens from solidity-parser

* optimize walking by storing references

* leverage trackTimingSync error handling

* enable documentSymbol and semanticHighlight only on slang-supported platforms

* feature flags

* use finders for walking the cst

* rework semantic highlighting to use cursor finders

* fix linter

* Changes based on PR feedback (part 1)

* Support unnamed function definition on documentSymbols

* refactor based on feedback

* moving version selection to slangHelpers

* add comment to semantic tokens test

client/scripts/bundle.js

@@ -160,6 +160,7 @@ async function main() {
     external: [
       "vscode",
       "@nomicfoundation/solidity-analyzer",
+      "@nomicfoundation/slang",
       "fsevents",
       "mocha",
     ],
@@ -198,6 +199,17 @@ async function main() {
         "@nomicfoundation/solidity-analyzer-linux-x64-gnu": "0.1.1",
         "@nomicfoundation/solidity-analyzer-linux-x64-musl": "0.1.1",
         "@nomicfoundation/solidity-analyzer-freebsd-x64": "0.1.1",
+
+        "@nomicfoundation/slang": "0.10.1",
+        "@nomicfoundation/slang-darwin-arm64": "0.10.1",
+        "@nomicfoundation/slang-win32-arm64-msvc": "0.10.1",
+        "@nomicfoundation/slang-linux-arm64-gnu": "0.10.1",
+        "@nomicfoundation/slang-linux-arm64-musl": "0.10.1",
+        "@nomicfoundation/slang-win32-ia32-msvc": "0.10.1",
+        "@nomicfoundation/slang-darwin-x64": "0.10.1",
+        "@nomicfoundation/slang-win32-x64-msvc": "0.10.1",
+        "@nomicfoundation/slang-linux-x64-gnu": "0.10.1",
+        "@nomicfoundation/slang-linux-x64-musl": "0.10.1",
       },
     })
   );

flags.json

@@ -0,0 +1,9 @@
+{
+  "documentSymbol": {
+    "percent": 0
+  },
+
+  "semanticHighlighting": {
+    "percent": 0
+  }
+}

package.json

@@ -17,7 +17,6 @@
     "url": "https://github.com/NomicFoundation/hardhat-vscode/issues"
   },
   "scripts": {
-    "postinstall": "npm install --no-save --ignore-scripts --force @nomicfoundation/[email protected]",
     "build": "tsc -b ./client/tsconfig.json && tsc -b ./server/tsconfig.build.json && tsc -b ./coc/tsconfig.json && tsc -b",
     "watch": "concurrently -n client,server \"tsc -b -w ./client/tsconfig.json\" \"tsc -b -w ./server/tsconfig.build.json\"",
     "test:unit": "npm -w server run test",

server/package.json

@@ -56,6 +56,7 @@
     "@types/qs": "^6.9.7",
     "@types/semver": "^7.3.12",
     "@types/sinon": "10.0.6",
+    "@types/yaml": "^1.9.7",
     "c3-linearization": "0.3.0",
     "chai": "4.3.4",
     "codecov": "3.8.3",
@@ -84,10 +85,10 @@
     "vscode-languageserver-textdocument": "1.0.8",
     "vscode-languageserver-types": "3.17.3",
     "vscode-uri": "3.0.7",
-    "@types/yaml": "^1.9.7",
     "yaml": "^2.2.1"
   },
   "dependencies": {
+    "@nomicfoundation/slang": "^0.10.1",
     "@nomicfoundation/solidity-analyzer": "0.1.1"
   }
 }

server/scripts/bundle.js

@@ -86,7 +86,12 @@ async function main() {
     minifyWhitespace: true,
     minifyIdentifiers: false,
     minifySyntax: true,
-    external: ["@nomicfoundation/solidity-analyzer", "fsevents", "mocha"],
+    external: [
+      "@nomicfoundation/solidity-analyzer",
+      "@nomicfoundation/slang",
+      "fsevents",
+      "mocha",
+    ],
     platform: "node",
     outdir: ".",
     logLevel: "info",