commit https://github.com/vim/vim/commit/75bdf6aa30a5c99d67c42886cf7a4a000bbaa422 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 7 21:25:08 2016 +0100 patch 7.4.1058 Problem: It is not possible to test code that is only reached when memory allocation fails. Solution: Add the alloc_fail() function. Try it out with :vimgrep.

/* if_ruby.c */
int ruby_enabled __ARGS((int verbose));
void ruby_end __ARGS((void));
void ex_ruby __ARGS((exarg_T *eap));
void ex_rubydo __ARGS((exarg_T *eap));
void ex_rubyfile __ARGS((exarg_T *eap));
void ruby_buffer_free __ARGS((buf_T *buf));
void ruby_window_free __ARGS((win_T *win));
void vim_ruby_init __ARGS((void *stack_start));
/* vim: set ft=c : */