fixed hover for not valid file (#28)

Author: Traigor

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to the "bitloops-language" extension will be documented in t
 
 Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
 
+### 0.4.3
+
+Fixed bug of hover for file not valid location.
+
 ### 0.4.2
 
 Update transpiler package.

README.md

@@ -33,9 +33,9 @@ No known issues.
 
 ## What's New
 
-### 0.4.1
+### 0.4.3
 
-Fixed bug of hover for multiple files workspace
+Fixed bug of hover for file not valid location.
 
 ---
 

package.json

@@ -9,7 +9,7 @@
   },
   "icon": "assets/images/bitloops-language-logo-256x256.png",
   "license": "MIT",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "scripts": {
     "vs:package": "vsce package",
     "vs:publish": "vsce publish",

server/package.json

@@ -1,7 +1,7 @@
 {
   "name": "bitloops-lsp-server",
   "description": "BitLoops Language Server",
-  "version": "0.4.1",
+  "version": "0.4.3",
   "publisher": "Bitloops",
   "license": "MIT",
   "engines": {

server/src/lsp/handlers/hover-handler/hover.ts

@@ -8,14 +8,15 @@ export const handleHover = (
   stateManager: StateManager,
   analyzer: IAnalyzer,
   params: HoverParams,
-): Hover => {
+): Hover | null => {
   const fileContent = stateManager.getFileContent(params.textDocument.uri);
   const document = TextDocument.create(params.textDocument.uri, 'bitloops', 1, fileContent);
   const position = params.position;
   const boundedContext = stateManager.getBoundedContext(params.textDocument.uri);
 
   let word = findWord(document, position);
   const symbolTable = analyzer.getSymbolTable() as TSymbolTableSemantics;
+  if (!symbolTable) return null;
   const testSymbolTable = symbolTable.symbolTables[boundedContext];
   const typeOfKeyword = testSymbolTable?.findTypeOfKeyword(word, {
     line: position.line,