diff options
Diffstat (limited to 'src/nvim/eval.c')
| -rw-r--r-- | src/nvim/eval.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c index c197754685..4b83bda804 100644 --- a/src/nvim/eval.c +++ b/src/nvim/eval.c @@ -766,6 +766,15 @@ static int eval1_emsg(char_u **arg, typval_T *rettv, bool evaluate) return ret; } +/// @return whether a typval is a valid expression to pass to eval_expr_typval() +/// or eval_expr_to_bool(). An empty string returns false; +bool eval_expr_valid_arg(const typval_T *const tv) + FUNC_ATTR_NONNULL_ALL FUNC_ATTR_CONST +{ + return tv->v_type != VAR_UNKNOWN + && (tv->v_type != VAR_STRING || (tv->vval.v_string != NULL && *tv->vval.v_string != NUL)); +} + int eval_expr_typval(const typval_T *expr, typval_T *argv, int argc, typval_T *rettv) FUNC_ATTR_NONNULL_ARG(1, 2, 4) { |