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patch 8.2.2806: Vim9: using "++nr" as a command might not work

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Problem:    Vim9: using "++nr" as a command might not work.
Solution:   Do not recognize "++" and "--" in a following line as addition or
            subtraction.
This commit is contained in:
Bram Moolenaar
2021-04-24 19:08:24 +02:00
parent 96cf4ba8fb
commit bdc0f1c698
10 changed files with 97 additions and 27 deletions
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22
src/vim9script.c
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@@ -159,6 +159,28 @@ vim9_comment_start(char_u *p)
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* "++nr" and "--nr" commands.
*/
void
ex_incdec(exarg_T *eap)
{
char_u *cmd = eap->cmd;
size_t len = STRLEN(eap->cmd) + 6;
// This works like "nr += 1" or "nr -= 1".
eap->cmd = alloc(len);
if (eap->cmd == NULL)
return;
vim_snprintf((char *)eap->cmd, len, "%s %c= 1", cmd + 2,
eap->cmdidx == CMD_increment ? '+' : '-');
eap->arg = eap->cmd;
eap->cmdidx = CMD_var;
ex_let(eap);
vim_free(eap->cmd);
eap->cmd = cmd;
}
/*
* ":export let Name: type"
* ":export const Name: type"