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| author | Bram Moolenaar <Bram@vim.org> | 2023-04-01 22:05:38 +0100 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2023-04-01 22:05:38 +0100 |
| commit | 2ed57ac3675624b9d943d7753f48855e5dbebdbb (patch) | |
| tree | 213eef0fee9ddfb36cc601580333f34842544894 /src/vim9execute.c | |
| parent | 38d867f041349e1400c2cce9cac06f59ae6ccbb1 (diff) | |
patch 9.0.1436: cannot compare a typed variable with v:nonev9.0.1436
Problem: Cannot compare a typed variable with v:none.
Solution: Allow for "x is v:none" and "x isnot v:none". (issue #12194)
Diffstat (limited to 'src/vim9execute.c')
| -rw-r--r-- | src/vim9execute.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/vim9execute.c b/src/vim9execute.c index 18cebdba8c..d558ca0fa2 100644 --- a/src/vim9execute.c +++ b/src/vim9execute.c @@ -3496,7 +3496,15 @@ exec_instructions(ectx_T *ectx) case ISN_LOAD: if (GA_GROW_FAILS(&ectx->ec_stack, 1)) goto theend; - copy_tv(STACK_TV_VAR(iptr->isn_arg.number), STACK_TV_BOT(0)); + tv = STACK_TV_VAR(iptr->isn_arg.number); + if (tv->v_type == VAR_UNKNOWN) + { + // missing argument or default value v:none + STACK_TV_BOT(0)->v_type = VAR_SPECIAL; + STACK_TV_BOT(0)->vval.v_number = VVAL_NONE; + } + else + copy_tv(tv, STACK_TV_BOT(0)); ++ectx->ec_stack.ga_len; break; |