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patch 9.0.2050: Vim9: crash with deferred function call and exception

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Problem:  Vim9: crash with deferred function call and exception
Solution: Save and restore exception state

Crash when a deferred function is called after an exception and another
exception is thrown

closes: #13376
closes: #13377

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
This commit is contained in:
Yegappan Lakshmanan
2023-10-19 10:52:34 +02:00
committed by Christian Brabandt
parent d7b616d0ad
commit c59c1e0d88
8 changed files with 106 additions and 50 deletions
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13
src/structs.h
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@@ -1088,6 +1088,19 @@ struct cleanup_stuff
except_T *exception; // exception value
};
/*
* Exception state that is saved and restored when calling timer callback
* functions and deferred functions.
*/
typedef struct exception_state_S exception_state_T;
struct exception_state_S
{
except_T *estate_current_exception;
int estate_did_throw;
int estate_need_rethrow;
int estate_trylevel;
};
#ifdef FEAT_SYN_HL
// struct passed to in_id_list()
struct sp_syn