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ext_cmdline: turn nested cmdlines into a linked list

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This commit is contained in:
Björn Linse 2017-08-20 16:30:09 +02:00
parent 91f94bfef8
commit 2050e66046
1 changed files with 11 additions and 16 deletions
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27
src/nvim/ex_getln.c
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@ -92,6 +92,7 @@ struct cmdline_info {
unsigned prompt_id; ///< Prompt number, used to disable coloring on errors.
Callback highlight_callback; ///< Callback used for coloring user input.
int level; // current cmdline level
struct cmdline_info *prev_ccline; ///< pointer to saved cmdline state
};
/// Last value of prompt_id, incremented when doing new prompt
static unsigned last_prompt_id = 0;
@ -2958,9 +2959,6 @@ void put_on_cmdline(char_u *str, int len, int redraw)
msg_check();
}
static struct cmdline_info prev_ccline;
static int prev_ccline_used = FALSE;
/*
* Save ccline, because obtaining the "=" register may execute "normal :cmd"
* and overwrite it. But get_cmdline_str() may need it, thus make it
@ -2968,12 +2966,8 @@ static int prev_ccline_used = FALSE;
*/
static void save_cmdline(struct cmdline_info *ccp)
{
if (!prev_ccline_used) {
memset(&prev_ccline, 0, sizeof(struct cmdline_info));
prev_ccline_used = TRUE;
}
*ccp = prev_ccline;
prev_ccline = ccline;
*ccp = ccline;
ccline.prev_ccline = ccp;
ccline.cmdbuff = NULL;
ccline.cmdprompt = NULL;
ccline.xpc = NULL;
@ -2984,8 +2978,7 @@ static void save_cmdline(struct cmdline_info *ccp)
*/
static void restore_cmdline(struct cmdline_info *ccp)
{
ccline = prev_ccline;
prev_ccline = *ccp;
ccline = *ccp;
}
/*
@ -5312,13 +5305,15 @@ int get_history_idx(int histype)
*/
static struct cmdline_info *get_ccline_ptr(void)
{
if ((State & CMDLINE) == 0)
if ((State & CMDLINE) == 0) {
return NULL;
if (ccline.cmdbuff != NULL)
} else if (ccline.cmdbuff != NULL) {
return &ccline;
if (prev_ccline_used && prev_ccline.cmdbuff != NULL)
return &prev_ccline;
return NULL;
} else if (ccline.prev_ccline && ccline.prev_ccline->cmdbuff != NULL) {
return ccline.prev_ccline;
} else {
return NULL;
}
}
/*