Den onsdag 3 februari 2016 kl. 14:04:46 UTC+1 skrev Anton Lindqvist:
> Hi,
> This patch add a autocmd event called TagNotFound triggered when the requested
> tag was not found. The motivation for this event is as follows: I usually add
> the following to my vimrc in order to ensure my tags file is up-to-date:
>
> au BufWritePost * if filereadable('tags') | silent exe '!ctags -a %' | endif
>
> However this seems wasteful since the majority of my writes don't include new
> identifiers to be indexed. With this patch the command above could be replaced
> with:
>
> au TagNotFound * if filereadable('tags') | silent exe '!ctags' | endif
>
> Thus indexing would only be performed when a missing tag is requested.
>
> Another use-case for this new event would be to trigger a psearch when the tag
> was not found:
>
> au TagNotFound * exe 'psearch /' . expand('<amatch>') . '/'
>
> BTW: what's the recommended cinoptions for the Vim codebase?
A unintentional change to one of the Makefile was present in the patch. See the
attached revised patch.
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diff --git a/runtime/doc/autocmd.txt b/runtime/doc/autocmd.txt
index 4de5b16..06f1578 100644
--- a/runtime/doc/autocmd.txt
+++ b/runtime/doc/autocmd.txt
@@ -284,6 +284,7 @@ Name triggered by ~
|SpellFileMissing| a spell file is used but it can't be found
|SourcePre| before sourcing a Vim script
|SourceCmd| before sourcing a Vim script |Cmd-event|
+|TagNotFound| the tag was not found in the tag file(s)
|VimResized| after the Vim window size changed
|FocusGained| Vim got input focus
@@ -879,6 +880,10 @@ TabEnter Just after entering a tab page. |tab-page|
TabLeave Just before leaving a tab page. |tab-page|
A WinLeave event will have been triggered
first.
+ *TagNotFound*
+TagNotFound When the requested tag was not found in the
+ tag file(s). The pattern is matched against
+ the tag name. <amatch> is the tag name.
*TermChanged*
TermChanged After the value of 'term' has changed. Useful
for re-loading the syntax file to update the
diff --git a/runtime/doc/cmdline.txt b/runtime/doc/cmdline.txt
index 8186678..55d8d97 100644
--- a/runtime/doc/cmdline.txt
+++ b/runtime/doc/cmdline.txt
@@ -820,7 +820,8 @@ Note: these are typed literally, they are not special keys!
<amatch> When executing autocommands, is replaced with the match for
which this autocommand was executed. It differs from
<afile> only when the file name isn't used to match with
- (for FileType, Syntax and SpellFileMissing events).
+ (for FileType, Syntax, SpellFileMissing and TagNotFound
+ events).
<sfile> When executing a ":source" command, is replaced with the
file name of the sourced file. *E498*
When executing a function, is replaced with:
diff --git a/src/fileio.c b/src/fileio.c
index ecec757..fa2ec72 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -7711,6 +7711,7 @@ static struct event_name
{"Syntax", EVENT_SYNTAX},
{"TabEnter", EVENT_TABENTER},
{"TabLeave", EVENT_TABLEAVE},
+ {"TagNotFound", EVENT_TAGNOTFOUND},
{"TermChanged", EVENT_TERMCHANGED},
{"TermResponse", EVENT_TERMRESPONSE},
{"TextChanged", EVENT_TEXTCHANGED},
@@ -9357,6 +9358,7 @@ apply_autocmds_group(
|| event == EVENT_FUNCUNDEFINED
|| event == EVENT_REMOTEREPLY
|| event == EVENT_SPELLFILEMISSING
+ || event == EVENT_TAGNOTFOUND
|| event == EVENT_QUICKFIXCMDPRE
|| event == EVENT_COLORSCHEME
|| event == EVENT_OPTIONSET
diff --git a/src/tag.c b/src/tag.c
index d2fdee6..b24212e 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -569,6 +569,10 @@ do_tag(
if (num_matches <= 0)
{
+#ifdef FEAT_AUTOCMD
+ apply_autocmds(EVENT_TAGNOTFOUND, name, curbuf->b_fname,
+ FALSE, curbuf);
+#endif
if (verbose)
EMSG2(_("E426: tag not found: %s"), name);
#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
diff --git a/src/vim.h b/src/vim.h
index 18610f5..80491d0 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -1314,6 +1314,7 @@ enum auto_event
EVENT_TEXTCHANGEDI, /* text was modified in Insert mode*/
EVENT_CMDUNDEFINED, /* command undefined */
EVENT_OPTIONSET, /* option was set */
+ EVENT_TAGNOTFOUND, /* tag not found */
NUM_EVENTS /* MUST be the last one */
};
