Mercurial > vim
diff src/vim9script.c @ 20842:bacc2ab11810 v8.2.0973
patch 8.2.0973: Vim9: type is not checked when assigning to a script variable
Commit: https://github.com/vim/vim/commit/34db91f7a47b7bd4aabf1e1dfbaa8a08278bf78d
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jun 13 19:00:10 2020 +0200
patch 8.2.0973: Vim9: type is not checked when assigning to a script variable
Problem: Vim9: type is not checked when assigning to a script variable.
Solution: Check the type.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 13 Jun 2020 19:15:03 +0200 |
| parents | 0600ab7b9f09 |
| children | 1360541e8c74 |
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--- a/src/vim9script.c +++ b/src/vim9script.c @@ -488,5 +488,30 @@ vim9_declare_scriptvar(exarg_T *eap, cha return p; } +/* + * Check if the type of script variable "dest" allows assigning "value". + */ + void +check_script_var_type(typval_T *dest, typval_T *value, char_u *name) +{ + scriptitem_T *si = SCRIPT_ITEM(current_sctx.sc_sid); + int idx; + + // Find the svar_T in sn_var_vals. + for (idx = 0; idx < si->sn_var_vals.ga_len; ++idx) + { + svar_T *sv = ((svar_T *)si->sn_var_vals.ga_data) + idx; + + if (sv->sv_tv == dest) + { + if (sv->sv_const) + semsg(_(e_readonlyvar), name); + else + check_type(sv->sv_type, typval2type(value), TRUE); + return; + } + } + iemsg("check_script_var_type(): not found"); +} #endif // FEAT_EVAL