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patch 9.1.0984: exception handling can be improved

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Problem:  exception handling can be improved
Solution: add v:stacktrace and getstacktrace()

closes: #16360

Co-authored-by: Naruhiko Nishino <naru123456789@gmail.com>
Signed-off-by: ichizok <gclient.gaap@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
ichizok
2025-01-02 18:06:00 +01:00
committed by Christian Brabandt
parent fd771613b3
commit 663d18d610
17 changed files with 285 additions and 21 deletions
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8
src/ex_eval.c
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@ -562,6 +562,10 @@ throw_exception(void *value, except_type_T type, char_u *cmdname)
excp->throw_lnum = SOURCING_LNUM;
}
excp->stacktrace = stacktrace_create();
if (excp->stacktrace != NULL)
excp->stacktrace->lv_refcount = 1;
if (p_verbose >= 13 || debug_break_level > 0)
{
int save_msg_silent = msg_silent;
@ -647,6 +651,7 @@ discard_exception(except_T *excp, int was_finished)
if (excp->type == ET_ERROR)
free_msglist(excp->messages);
vim_free(excp->throw_name);
list_unref(excp->stacktrace);
vim_free(excp);
}
@ -671,6 +676,7 @@ catch_exception(except_T *excp)
excp->caught = caught_stack;
caught_stack = excp;
set_vim_var_string(VV_EXCEPTION, (char_u *)excp->value, -1);
set_vim_var_list(VV_STACKTRACE, excp->stacktrace);
if (*excp->throw_name != NUL)
{
if (excp->throw_lnum != 0)
@ -721,6 +727,7 @@ finish_exception(except_T *excp)
if (caught_stack != NULL)
{
set_vim_var_string(VV_EXCEPTION, (char_u *)caught_stack->value, -1);
set_vim_var_list(VV_STACKTRACE, caught_stack->stacktrace);
if (*caught_stack->throw_name != NUL)
{
if (caught_stack->throw_lnum != 0)
@ -741,6 +748,7 @@ finish_exception(except_T *excp)
{
set_vim_var_string(VV_EXCEPTION, NULL, -1);
set_vim_var_string(VV_THROWPOINT, NULL, -1);
set_vim_var_list(VV_STACKTRACE, NULL);
}
// Discard the exception, but use the finish message for 'verbose'.