1 files changed, 36 insertions, 0 deletions
diff --git a/.vim/plugin/util.vim b/.vim/plugin/util.vim
new file mode 100644
index 0000000..de2dadd
--- /dev/null
+++ b/.vim/plugin/util.vim
@@ -0,0 +1,36 @@
+function! PushTagStackOnCommand(command_name) abort
+    call s:PushTagStackBefore()
+    exec a:command_name
+    call s:PushTagStackAfter()
+endfunction
+
+function! PushTagStackOnFunction(function_name) abort
+    call s:PushTagStackBefore()
+    call a:function_name()
+    call s:PushTagStackAfter()
+endfunction
+
+function! s:PushTagStackBefore() abort
+    let dotag = &tagstack && exists('*gettagstack') && exists('*settagstack')
+    if dotag
+        let from = [bufnr('%'), line('.'), col('.'), 0]
+        let tagname = expand('<cword>')
+        let stack = gettagstack()
+        if stack.curidx > 1
+            let stack.items = stack.items[0:stack.curidx-2]
+        else
+            let stack.items = []
+        endif
+        let stack.items += [{'from': from, 'tagname': tagname}]
+        let stack.curidx = len(stack.items)
+        call settagstack(win_getid(), stack)
+    endif
+endfunction
+
+function! s:PushTagStackAfter() abort
+    let dotag = &tagstack && exists('*gettagstack') && exists('*settagstack')
+    if dotag
+        let curidx = gettagstack().curidx + 1
+        call settagstack(win_getid(), {'curidx': curidx})
+    endif
+endfunction