Mercurial > vim
diff src/userfunc.c @ 26388:8aba638e91eb v8.2.3725
patch 8.2.3725: cannot use a lambda for 'completefunc' and 'omnifunc'
Commit: https://github.com/vim/vim/commit/8658c759f05b317707d56e3b65a5ef63930c7498
Author: Yegappan Lakshmanan <yegappan@yahoo.com>
Date: Fri Dec 3 11:09:29 2021 +0000
patch 8.2.3725: cannot use a lambda for 'completefunc' and 'omnifunc'
Problem: Cannot use a lambda for 'completefunc' and 'omnifunc'.
Solution: Implement lambda support. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/9257)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Fri, 03 Dec 2021 12:15:04 +0100 |
| parents | bf1a7ce3f14a |
| children | b18f3b0f317c |
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--- a/src/userfunc.c +++ b/src/userfunc.c @@ -3169,6 +3169,29 @@ call_callback( } /* + * call the 'callback' function and return the result as a number. + * Returns -1 when calling the function fails. Uses argv[0] to argv[argc - 1] + * for the function arguments. argv[argc] should have type VAR_UNKNOWN. + */ + varnumber_T +call_callback_retnr( + callback_T *callback, + int argcount, // number of "argvars" + typval_T *argvars) // vars for arguments, must have "argcount" + // PLUS ONE elements! +{ + typval_T rettv; + varnumber_T retval; + + if (call_callback(callback, 0, &rettv, argcount, argvars) == FAIL) + return -1; + + retval = tv_get_number_chk(&rettv, NULL); + clear_tv(&rettv); + return retval; +} + +/* * Give an error message for the result of a function. * Nothing if "error" is FCERR_NONE. */