Mercurial > vim
diff src/vim9execute.c @ 31573:fc9ce07dc8a4 v9.0.1119
patch 9.0.1119: type of arguments not checked when calling a partial
Commit: https://github.com/vim/vim/commit/0d89d8ae89c861572496c5ae9683d986b28c957b
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Dec 31 14:01:24 2022 +0000
patch 9.0.1119: type of arguments not checked when calling a partial
Problem: Type of arguments not checked when calling a partial.
Solution: Give an error for a wrong argument type. (closes https://github.com/vim/vim/issues/11753)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sat, 31 Dec 2022 15:15:02 +0100 |
parents | 67d9fbe516a3 |
children | 53c3df37a2b0 |
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line diff
--- a/src/vim9execute.c +++ b/src/vim9execute.c @@ -377,6 +377,41 @@ get_pt_outer(partial_T *pt) } /* + * Check "argcount" arguments on the stack against what "ufunc" expects. + * "off" is the offset of arguments on the stack. + * Return OK or FAIL. + */ + static int +check_ufunc_arg_types(ufunc_T *ufunc, int argcount, int off, ectx_T *ectx) +{ + if (ufunc->uf_arg_types != NULL || ufunc->uf_va_type != NULL) + { + typval_T *argv = STACK_TV_BOT(0) - argcount - off; + + // The function can change at runtime, check that the argument + // types are correct. + for (int i = 0; i < argcount; ++i) + { + type_T *type = NULL; + + // assume a v:none argument, using the default value, is always OK + if (argv[i].v_type == VAR_SPECIAL + && argv[i].vval.v_number == VVAL_NONE) + continue; + + if (i < ufunc->uf_args.ga_len && ufunc->uf_arg_types != NULL) + type = ufunc->uf_arg_types[i]; + else if (ufunc->uf_va_type != NULL) + type = ufunc->uf_va_type->tt_member; + if (type != NULL && check_typval_arg_type(type, + &argv[i], NULL, i + 1) == FAIL) + return FAIL; + } + } + return OK; +} + +/* * Call compiled function "cdf_idx" from compiled code. * This adds a stack frame and sets the instruction pointer to the start of the * called function. @@ -498,6 +533,10 @@ call_dfunc( return FAIL; } + // Check the argument types. + if (check_ufunc_arg_types(ufunc, argcount, vararg_count, ectx) == FAIL) + return FAIL; + // Reserve space for: // - missing arguments // - stack frame @@ -1345,26 +1384,8 @@ call_by_name( if (ufunc != NULL) { - if (ufunc->uf_arg_types != NULL || ufunc->uf_va_type != NULL) - { - int i; - typval_T *argv = STACK_TV_BOT(0) - argcount; - - // The function can change at runtime, check that the argument - // types are correct. - for (i = 0; i < argcount; ++i) - { - type_T *type = NULL; - - if (i < ufunc->uf_args.ga_len && ufunc->uf_arg_types != NULL) - type = ufunc->uf_arg_types[i]; - else if (ufunc->uf_va_type != NULL) - type = ufunc->uf_va_type->tt_member; - if (type != NULL && check_typval_arg_type(type, - &argv[i], NULL, i + 1) == FAIL) - return FAIL; - } - } + if (check_ufunc_arg_types(ufunc, argcount, 0, ectx) == FAIL) + return FAIL; return call_ufunc(ufunc, NULL, argcount, ectx, iptr, selfdict); }