Fixed bug that caused identifiers with non-ASCII characters to someti…

…mes be handled incorrectly.
microsoft · Oct 7, 2020 · a86cb5d · a86cb5d
1 parent d1f950a
commit a86cb5d
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/packages/pyright-internal/src/parser/characters.ts b/packages/pyright-internal/src/parser/characters.ts
@@ -57,6 +57,12 @@ export function isIdentifierChar(ch: number) {
         );
     }
 
+    // Lazy initialize the char map. We'll rarely get here.
+    if (!_identifierCharMapInitialized) {
+        _buildIdentifierLookupTable(false);
+        _identifierCharMapInitialized = true;
+    }
+
     return (
         _identifierCharMap[ch] === CharCategory.StartIdentifierChar ||
         _identifierCharMap[ch] === CharCategory.IdentifierChar