Handling of tag commands and tag stack by do_tag
* Jump to tag; handling of tag commands and tag stack
*
* *tag != NUL: ":tag {tag}", jump to new tag, add to tag stack
*
* type == DT_TAG: ":tag [tag]", jump to newer position or same tag again
* type == DT_HELP: like DT_TAG, but don't use regexp.
* type == DT_POP: ":pop" or CTRL-T, jump to old position
* type == DT_NEXT: jump to next match of same tag
* type == DT_PREV: jump to previous match of same tag
* type == DT_FIRST: jump to first match of same tag
* type == DT_LAST: jump to last match of same tag
* type == DT_SELECT: ":tselect [tag]", select tag from a list of all matches
* type == DT_JUMP: ":tjump [tag]", jump to tag or select tag from a list
* type == DT_CSCOPE: use cscope to find the tag
* type == DT_LTAG: use location list for displaying tag matches
* type == DT_FREE: free cached matches
*
* for cscope, returns TRUE if we jumped to tag or aborted, FALSE otherwise
*/
int
do_tag(tag, type, count, forceit, verbose)
char_u *tag; /* tag (pattern) to jump to */
int type;
int count;
int forceit; /* :ta with ! */
int verbose; /* print "tag not found" message */
Cscope tag: phy_connect_direct
# line filename / context / line
1 419 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec.1/apps_proc/kernel/msm-3.18/drivers/net/phy/phy_device.c
<<GLOBAL>>
int phy_connect_direct(struct net_device *dev, struct phy_device *phydev,
2 436 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec.1/apps_proc/kernel/msm-3.18/drivers/net/phy/phy_device.c
<<GLOBAL>>
EXPORT_SYMBOL(phy_connect_direct);
3 471 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec.1/apps_proc/kernel/msm-3.18/drivers/net/phy/phy_device.c
<<GLOBAL>>
rc = phy_connect_direct(dev, phydev, handler, interface);
4 229 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec.1/apps_proc/kernel/msm-3.18/drivers/of/of_mdio.c <<GLOBAL>>
return phy_connect_direct(dev, phy, hndlr, iface) ? NULL : phy;
5 711 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec.1/apps_proc/kernel/msm-3.18/include/linux/phy.h <<GLOBAL>>
int phy_connect_direct(struct net_device *dev, struct phy_device *phydev,
6 361 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec.1/apps_proc/kernel/msm-3.18/drivers/net/ethernet/8390/ax88796.c
<<ax_mii_probe>>
ret = phy_connect_direct(dev, phy_dev, ax_handle_link_change,
7 1294 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec....s_proc/kernel/msm-3.18/drivers/net/ethernet/aeroflex/greth.c
<<greth_mdio_probe>>
ret = phy_connect_direct(dev, phy, &greth_link_change,
8 720 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec....ernel/msm-3.18/drivers/net/ethernet/altera/altera_tse_main.c
<<connect_local_phy>>
ret = phy_connect_direct(dev, phydev, &altera_tse_adjust_link,
9 602 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec....roc/kernel/msm-3.18/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
<<xgbe_phy_init>>
ret = phy_connect_direct(netdev, phydev, &xgbe_adjust_link,
10 2205 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec....rnel/msm-3.18/drivers/net/ethernet/broadcom/genet/bcmgenet.c
<<bcmgenet_open>>
phy_connect_direct(dev, priv->phydev, bcmgenet_mii_setup,
11 335 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec.1/apps_proc/kernel/msm-3.18/drivers/net/ethernet/cadence/macb.c
<<macb_mii_probe>>
ret = phy_connect_direct(dev, phydev, &macb_handle_link_change,
12 683 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec.1/apps_proc/kernel/msm-3.18/drivers/net/ethernet/ethoc.c
<<ethoc_mdio_probe>>
err = phy_connect_direct(dev, phy, ethoc_mdio_poll,
13 1900 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec....rnel/msm-3.18/drivers/net/ethernet/qualcomm/emac/emac_main.c
<<emac_mac_up>>
ret = phy_connect_direct(netdev, adpt->phydev, emac_adjust_link,
14 1027 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec....ps_proc/kernel/msm-3.18/drivers/net/ethernet/smsc/smsc911x.c
<<smsc911x_mii_probe>>
ret = phy_connect_direct(dev, phydev, &smsc911x_phy_adjust_link,
15 494 /media/root/work/jllproject/Mangov2/branches/L170HQL2_Wisec.1/apps_proc/kernel/msm-3.18/net/dsa/slave.c
-- More --
列表中的每一項，使用如下資料結構進行表示, 主要是為了支援滾動選單（scroll back），因此縮寫為sb
/*
* To be able to scroll back at the "more" and "hit-enter" prompts we need to
* store the displayed text and remember where screen lines start.
*/
typedef struct msgchunk_S msgchunk_T;
struct msgchunk_S
{
msgchunk_T *sb_next;
msgchunk_T *sb_prev;
char sb_eol; /* TRUE when line ends after this text */
int sb_msg_col; /* column in which text starts */
int sb_attr; /* text attributes */
char_u sb_text[1]; /* text to be displayed, actually longer */
};這個選單項的模型如下:
NULL<---sb_prev-|============|<---sb_prev-|============|<---sb_prev-|============|
| msgchunk_T | | msgchunk_T | | msgchunk_T |
| | | | | |
|============|-sb_next--->|============|-sb_next--->|==============|-sb_next--->NULL
(1).各個選單項通過 sb_prev和sb_next實現雙向連結的組織結構。
(2).sb_eol為TRUE時表示當前代表的選單項是最後一項，這樣設計的好處是:
通過sb_prev和sb_next可以組織很長的選單項，比如100個項，但是螢幕顯示大小並不能一次完全地顯
示這100項，這時需要分頁顯示，而每個頁的最後一項，總要作下標記，於是需要設計sb_eol表示一螢幕
頁的最後一項。
在已顯示的文字中移到螢幕行的開始處.
/*
* Move to the start of screen line in already displayed text.
*/
static msgchunk_T *
msg_sb_start(mps)
msgchunk_T *mps;
重新顯示所有行:
先清除再顯示每個msgchunk_T
/* redisplay all lines */
screenclear();
for (i = 0; mp != NULL && i < Rows - 1; ++i)
{
mp = disp_sb_line(i, mp);
++msg_scrolled;
}
-------------------------- 新需求 ---------------------
do_more_prompt()
---> case '/': break; 嘗試去加個/模式，表示從當前匹配表中再次羅列出所匹配的msgchunk_T.
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