--- parser3/src/include/pa_exception.h	2024/12/11 03:22:23	1.75
+++ parser3/src/include/pa_exception.h	2026/10/18 22:42:42	1.78
@@ -1,14 +1,14 @@
 /** @file
 	Parser: exception decls.
 
-	Copyright (c) 2001-2024 Art. Lebedev Studio (http://www.artlebedev.com)
+	Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com)
 	Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
 */
 
 #ifndef PA_EXCEPTION_H
 #define PA_EXCEPTION_H
 
-#define IDENT_PA_EXCEPTION_H "$Id: pa_exception.h,v 1.75 2024/12/11 03:22:23 moko Exp $"
+#define IDENT_PA_EXCEPTION_H "$Id: pa_exception.h,v 1.78 2026/10/18 22:42:42 moko Exp $"
 
 const char* const PARSER_RUNTIME = "parser.runtime";
 const char* const IMAGE_FORMAT = "image.format";
@@ -69,7 +69,7 @@ public:
 	// modifies exception to fine-tune error reporting
 	void set_source(const String* aproblem_source) {
 		if(!problem_source())
-			fproblem_source=aproblem_source;
+			fproblem_source=pa_gc_reference(aproblem_source);
 	}
 
 	void add_comment(const char* acomment);
@@ -98,4 +98,10 @@ protected:
 
 };
 
+// recovery recursion reserve is exhausted: bypass catch/finally handlers
+class Recursion_limit_exception: public Exception {
+public:
+	Recursion_limit_exception(): Exception(PARSER_RUNTIME, 0, "call canceled - endless recursion recovery limit exceeded") {}
+};
+
 #endif