Handles symbol boundaries. Problem much more evident in Emacs and oth…

…er cursor based editors. For #57

server/src/utils.ts

@@ -67,6 +67,13 @@ export function getSymbol(position: Position, txtDoc: TextDocument) {
     let left = index - 1;
     let right = index;
 
+    if(right < text.length && ( ["$", "%", "@"].includes(text[right]) || rightAllow(text[right])) ){
+        // Handles an edge case where the cursor is on the side of a symbol.
+        // Note that $foo| should find $foo (where | represents cursor), but $foo|$bar should find $bar, and |mysub should find mysub
+        right += 1;
+        left += 1;
+    }
+
     while (left >= 0 && leftAllow(text[left])) {
         // Fat comma check
         if (text[left] === ">" && left - 1 >= 0 && text[left - 1] === "=") { break; }