From e9d32830509bbb32ceed34da8533266702bd3a8c Mon Sep 17 00:00:00 2001
From: xaizek <xaizek@posteo.net>
Date: Mon, 13 Aug 2018 23:56:00 +0300
Subject: [PATCH 1/2] Try to fix #559

Looks like 72eabd5516ce19801a691022d4ac9d5b04b09df2 partially
undone #427.
---
 plugin/clang_complete.vim | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/plugin/clang_complete.vim b/plugin/clang_complete.vim
index 5302329c..113525f0 100644
--- a/plugin/clang_complete.vim
+++ b/plugin/clang_complete.vim
@@ -493,9 +493,9 @@ function! ClangComplete(findstart, base)
     augroup ClangComplete
       au CursorMovedI <buffer> call <SID>TriggerSnippet()
       if exists('##CompleteDone')
-        au CompleteDone,InsertLeave <buffer> call <SID>StopMonitoring()
+        au CompleteDone,InsertLeave <buffer> call <SID>StopMonitoring('all')
       else
-        au InsertLeave <buffer> call <SID>StopMonitoring()
+        au InsertLeave <buffer> call <SID>StopMonitoring('all')
       endif
     augroup end
     let b:snippet_chosen = 0
@@ -524,7 +524,9 @@ function! s:HandlePossibleSelectionCtrlY()
   return "\<C-Y>"
 endfunction
 
-function! s:StopMonitoring()
+" what argument should be "cr" to restore <cr> mapping only or "all" to undo
+" everything
+function! s:StopMonitoring(what)
   if b:snippet_chosen
     call s:TriggerSnippet()
     return
@@ -549,9 +551,17 @@ function! s:StopMonitoring()
       silent! execute substitute(g:clang_restore_cr_imap, '<SID>', s:old_snr, 'g')
     endif
 
+    if a:what == 'cr'
+      return
+    endif
+
     silent! iunmap <buffer> <C-Y>
   endif
 
+  if a:what == 'cr'
+    return
+  endif
+
   augroup ClangComplete
     au! CursorMovedI,InsertLeave <buffer>
     if exists('##CompleteDone')
@@ -561,6 +571,8 @@ function! s:StopMonitoring()
 endfunction
 
 function! s:TriggerSnippet()
+  call s:StopMonitoring('cr')
+
   " Dont bother doing anything until we're sure the user exited the menu
   if !b:snippet_chosen
     return
@@ -568,7 +580,7 @@ function! s:TriggerSnippet()
 
   " Stop monitoring as we'll trigger a snippet
   let b:snippet_chosen = 0
-  call s:StopMonitoring()
+  call s:StopMonitoring('all')
 
   " Trigger the snippet
   execute s:py_cmd 'snippetsTrigger()'

From 2bdcbc944b132c832a0cd0209290cd1d8004d1e9 Mon Sep 17 00:00:00 2001
From: xaizek <xaizek@posteo.net>
Date: Thu, 23 Aug 2018 15:39:13 +0300
Subject: [PATCH 2/2] Fix recursion in new code

Described in

https://github.com/Rip-Rip/clang_complete/issues/559#issuecomment-415356918
---
 plugin/clang_complete.vim | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/plugin/clang_complete.vim b/plugin/clang_complete.vim
index 113525f0..3a92575c 100644
--- a/plugin/clang_complete.vim
+++ b/plugin/clang_complete.vim
@@ -571,15 +571,17 @@ function! s:StopMonitoring(what)
 endfunction
 
 function! s:TriggerSnippet()
+  let l:snippet_chosen = b:snippet_chosen
+  let b:snippet_chosen = 0
+
   call s:StopMonitoring('cr')
 
   " Dont bother doing anything until we're sure the user exited the menu
-  if !b:snippet_chosen
+  if !l:snippet_chosen
     return
   endif
 
   " Stop monitoring as we'll trigger a snippet
-  let b:snippet_chosen = 0
   call s:StopMonitoring('all')
 
   " Trigger the snippet