diff options
Diffstat (limited to 'src/vim9execute.c')
| -rw-r--r-- | src/vim9execute.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/vim9execute.c b/src/vim9execute.c index 5c6dbdfab..521f1c9c0 100644 --- a/src/vim9execute.c +++ b/src/vim9execute.c @@ -1381,6 +1381,8 @@ call_def_function( tv = STACK_TV_BOT(0); tv->v_type = VAR_STRING; tv->v_lock = 0; + // This may result in NULL, which should be equivalent to an + // empty string. tv->vval.v_string = get_reg_contents( iptr->isn_arg.number, GREG_EXPR_SRC); ++ectx.ec_stack.ga_len; @@ -2082,6 +2084,13 @@ call_def_function( case ISN_THROW: --ectx.ec_stack.ga_len; tv = STACK_TV_BOT(0); + if (tv->vval.v_string == NULL + || *skipwhite(tv->vval.v_string) == NUL) + { + emsg(_(e_throw_with_empty_string)); + goto failed; + } + if (throw_exception(tv->vval.v_string, ET_USER, NULL) == FAIL) { vim_free(tv->vval.v_string); |