From cfe2ac68a4103a989f6d5216b25fa986d334baed Mon Sep 17 00:00:00 2001
From: LCD 47 <lcd047@gmail.com>
Date: Sat, 16 Nov 2013 12:49:43 +0200
Subject: [PATCH] New command :SyntasticSetLoclist.

---
 doc/syntastic.txt            |  5 +++++
 plugin/syntastic.vim         |  3 +++
 plugin/syntastic/loclist.vim | 14 ++++++++++----
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/doc/syntastic.txt b/doc/syntastic.txt
index 94a5dc1d..8d69d6b4 100644
--- a/doc/syntastic.txt
+++ b/doc/syntastic.txt
@@ -161,6 +161,11 @@ filetype.
 
 Resets the list of errors and turns off all error notifiers.
 
+:SyntasticSetLoclist                                    *:SyntasticSetLoclist*
+
+Updates Vim's current loclist with the list of detected errors. This is only
+needed if |'syntastic_always_populate_loc_list'| is not set.
+
 
 ==============================================================================
 4. Global Options                                   *syntastic-global-options*
diff --git a/plugin/syntastic.vim b/plugin/syntastic.vim
index 84933b1c..9d2aa6e8 100644
--- a/plugin/syntastic.vim
+++ b/plugin/syntastic.vim
@@ -125,6 +125,7 @@ command! SyntasticInfo
 command! SyntasticReset
             \ call s:ClearCache() |
             \ call s:notifiers.refresh(g:SyntasticLoclist.New([]))
+command! SyntasticSetLoclist call g:SyntasticLoclist.current().setloclist()
 
 highlight link SyntasticError SpellBad
 highlight link SyntasticWarning SpellCap
@@ -211,9 +212,11 @@ function! s:UpdateErrors(auto_invoked, ...)
 
     let w:syntastic_loclist_set = 0
     if g:syntastic_always_populate_loc_list || g:syntastic_auto_jump
+        call syntastic#log#debug(g:SyntasticDebugNotifications, 'loclist: setloclist (new)')
         call setloclist(0, loclist.filteredRaw())
         let w:syntastic_loclist_set = 1
         if run_checks && g:syntastic_auto_jump && loclist.hasErrorsOrWarningsToDisplay()
+            call syntastic#log#debug(g:SyntasticDebugNotifications, 'loclist: jump')
             silent! lrewind
         endif
     endif
diff --git a/plugin/syntastic/loclist.vim b/plugin/syntastic/loclist.vim
index 217c19ce..42b67a75 100644
--- a/plugin/syntastic/loclist.vim
+++ b/plugin/syntastic/loclist.vim
@@ -147,14 +147,20 @@ function! g:SyntasticLoclist.filter(filters)
     return rv
 endfunction
 
-"display the cached errors for this buf in the location list
-function! g:SyntasticLoclist.show()
-    call syntastic#log#debug(g:SyntasticDebugNotifications, 'loclist: show')
+function! g:SyntasticLoclist.setloclist()
     if !exists('w:syntastic_loclist_set')
         let w:syntastic_loclist_set = 0
     endif
-    call setloclist(0, self.filteredRaw(), g:syntastic_reuse_loc_lists && w:syntastic_loclist_set ? 'r' : ' ')
+    let replace = g:syntastic_reuse_loc_lists && w:syntastic_loclist_set
+    call syntastic#log#debug(g:SyntasticDebugNotifications, 'loclist: setloclist ' . (replace ? '(replace)' : '(new)'))
+    call setloclist(0, self.filteredRaw(), replace ? 'r' : ' ')
     let w:syntastic_loclist_set = 1
+endfunction
+
+"display the cached errors for this buf in the location list
+function! g:SyntasticLoclist.show()
+    call syntastic#log#debug(g:SyntasticDebugNotifications, 'loclist: show')
+    call self.setloclist()
 
     if self.hasErrorsOrWarningsToDisplay()
         let num = winnr()