Mercurial > vim
diff src/vim9execute.c @ 27924:e6e3abc28c7a v8.2.4487
patch 8.2.4487: Vim9: cannot compare with v:null
Commit: https://github.com/vim/vim/commit/7a2222487507eb13cccdb9a66397092775d62b8c
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Mar 1 19:23:24 2022 +0000
patch 8.2.4487: Vim9: cannot compare with v:null
Problem: Vim9: cannot compare with v:null.
Solution: Allow comparing anything with v:null. (closes https://github.com/vim/vim/issues/9866)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Tue, 01 Mar 2022 20:30:04 +0100 |
| parents | 7d70b420de00 |
| children | 1012048eed26 |
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--- a/src/vim9execute.c +++ b/src/vim9execute.c @@ -3880,6 +3880,25 @@ exec_instructions(ectx_T *ectx) } break; + case ISN_COMPARENULL: + { + typval_T *tv1 = STACK_TV_BOT(-2); + typval_T *tv2 = STACK_TV_BOT(-1); + int res; + + res = typval_compare_null(tv1, tv2); + if (res == MAYBE) + goto on_error; + if (iptr->isn_arg.op.op_type == EXPR_NEQUAL) + res = !res; + clear_tv(tv1); + clear_tv(tv2); + --ectx->ec_stack.ga_len; + tv1->v_type = VAR_BOOL; + tv1->vval.v_number = res ? VVAL_TRUE : VVAL_FALSE; + } + break; + // Operation with two number arguments case ISN_OPNR: case ISN_COMPARENR: @@ -5901,6 +5920,7 @@ list_instructions(char *pfx, isn_T *inst case ISN_COMPAREBOOL: case ISN_COMPARESPECIAL: + case ISN_COMPARENULL: case ISN_COMPARENR: case ISN_COMPAREFLOAT: case ISN_COMPARESTRING: @@ -5936,6 +5956,7 @@ list_instructions(char *pfx, isn_T *inst case ISN_COMPAREBOOL: type = "COMPAREBOOL"; break; case ISN_COMPARESPECIAL: type = "COMPARESPECIAL"; break; + case ISN_COMPARENULL: type = "COMPARENULL"; break; case ISN_COMPARENR: type = "COMPARENR"; break; case ISN_COMPAREFLOAT: type = "COMPAREFLOAT"; break; case ISN_COMPARESTRING: