From b5067e66cc320e6fbd5cf9c9af8788bcb905993d Mon Sep 17 00:00:00 2001
From: Flavian Kaufmann <flavian@flaviankaufmann.ch>
Date: Mon, 26 May 2025 22:11:16 +0200
Subject: [bugfix] set ast_root to NULL before parsing

---
 src/driver.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/driver.c')

diff --git a/src/driver.c b/src/driver.c
index c43b899..d8cd143 100644
--- a/src/driver.c
+++ b/src/driver.c
@@ -20,6 +20,7 @@ int imp_driver_interpret_file (IMP_InterpreterContext *context, const char *path
   yyin = fopen(path, "r");
   if (!yyin) return -1;
   yyrestart(yyin);
+  ast_root = NULL;
   if (yyparse()) {
     imp_ast_destroy(ast_root);
     fclose(yyin);
@@ -37,6 +38,7 @@ int imp_driver_interpret_file (IMP_InterpreterContext *context, const char *path
 
 int imp_driver_interpret_str (IMP_InterpreterContext *context, const char *str) {
   YY_BUFFER_STATE buf = yy_scan_string(str);
+  ast_root = NULL;
   if (yyparse()) {
     imp_ast_destroy(ast_root);
     yy_delete_buffer(buf);
-- 
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