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vim-patch:7.4.414

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Problem:    Cannot define a command only when it's used.
Solution:   Add the CmdUndefined autocommand event. (partly by Yasuhiro
            Matsumoto)

https://code.google.com/p/vim/source/detail?r=v7-4-414
This commit is contained in:
Scott Prager
2014-10-10 21:51:25 -04:00
parent 8390accde7
commit 0051a7cb25
4 changed files with 45 additions and 1 deletions
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18
src/nvim/ex_docmd.c
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@@ -1459,6 +1459,24 @@ static char_u * do_one_cmd(char_u **cmdlinep,
/* Find the command and let "p" point to after it. */
p = find_command(&ea, NULL);
// If this looks like an undefined user command and there are CmdUndefined
// autocommands defined, trigger the matching autocommands.
if (p != NULL && ea.cmdidx == CMD_SIZE && !ea.skip
&& ASCII_ISUPPER(*ea.cmd)
&& has_cmdundefined()) {
char_u *p = ea.cmd;
while (ASCII_ISALNUM(*p)) {
++p;
}
p = vim_strnsave(ea.cmd, p - ea.cmd);
int ret = apply_autocmds(EVENT_CMDUNDEFINED, p, p, TRUE, NULL);
free(p);
if (ret && !aborting()) {
p = find_command(&ea, NULL);
}
}
if (p == NULL) {
if (!ea.skip)
errormsg = (char_u *)_("E464: Ambiguous use of user-defined command");