gh-100940: Change "char *str" to "const char *str" in KeywordToken: It is an immutable string. (#100936)

StepfenShawn · web-flow · commit a1e051a23736 · 2023-01-18T21:02:48.000Z
diff --git a/Parser/pegen.h b/Parser/pegen.h
@@ -42,7 +42,7 @@ typedef struct {
 } Token;
 
 typedef struct {
-    char *str;
+    const char *str;
     int type;
 } KeywordToken;
 
