From afacd8da567feb9a77a10bb9d83d275fae49f0a9 Mon Sep 17 00:00:00 2001
From: TJ DeVries <devries.timothyj@gmail.com>
Date: Tue, 22 Nov 2016 12:25:52 -0500
Subject: [PATCH] Add initial API

---
 autoload/langserver/api/textDocument.vim |  9 +++++
 autoload/langserver/client.vim           | 11 +++++++
 autoload/langserver/goto.vim             |  7 ++--
 tests/test_goto.vader                    | 42 ++++++++++++++++++++++++
 4 files changed, 67 insertions(+), 2 deletions(-)
 create mode 100644 autoload/langserver/api/textDocument.vim
 create mode 100644 tests/test_goto.vader

diff --git a/autoload/langserver/api/textDocument.vim b/autoload/langserver/api/textDocument.vim
new file mode 100644
index 0000000..25f5e02
--- /dev/null
+++ b/autoload/langserver/api/textDocument.vim
@@ -0,0 +1,9 @@
+""
+function! langserver#api#textDocument#definition(request) abort
+  return langserver#goto#goto_defintion(
+        \ langserver#util#get_lsp_id(),
+        \ a:request.result.uri,
+        \ a:request.result.range,
+        \ {},
+        \ )
+endfunction
diff --git a/autoload/langserver/client.vim b/autoload/langserver/client.vim
index 4ebd774..0cdd4e1 100644
--- a/autoload/langserver/client.vim
+++ b/autoload/langserver/client.vim
@@ -10,6 +10,17 @@ let s:lsp_text_document_sync_kind_incremental = 2
 
 function! s:_on_lsp_stdout(id, data, event) abort
     if has_key(s:lsp_clients, a:id)
+        " let s:lsp_clients[l:lsp_client_id] = {
+        "     \ 'id': l:lsp_client_id,
+        "     \ 'opts': a:opts,
+        "     \ 'req_seq': 0,
+        "     \ 'on_notifications': {},
+        "     \ 'stdout': {
+        "         \ 'max_buffer_size': l:max_buffer_size,
+        "         \ 'buffer': '',
+        "         \ 'next_token': s:lsp_token_type_contentlength,
+        "     \ },
+        " \ }
         let l:client = s:lsp_clients[a:id]
 
         let l:client.stdout.buffer .= join(a:data, "\n")
diff --git a/autoload/langserver/goto.vim b/autoload/langserver/goto.vim
index 27dde86..8fade52 100644
--- a/autoload/langserver/goto.vim
+++ b/autoload/langserver/goto.vim
@@ -83,8 +83,11 @@ function! langserver#goto#goto_defintion(name, uri, range_dict, options) abort
   "       \ a:range_dict['start']['line'] + 1,
   "       \ a:range_dict['start']['character'] + 1,
   "       \ )
-  execute(printf('norm! %sG%s|',
+  let l:action = printf('norm! %sG%s|',
         \ a:range_dict['start']['line'] + 1,
         \ a:range_dict['start']['character'] + 1,
-        \ ))
+        \ )
+  execute(l:action)
+
+  return l:action
 endfunction
diff --git a/tests/test_goto.vader b/tests/test_goto.vader
new file mode 100644
index 0000000..7e7e705
--- /dev/null
+++ b/tests/test_goto.vader
@@ -0,0 +1,42 @@
+
+Given vim (Goto position):
+  let this = 'that'
+
+  " A comment here
+  " A comment there
+  " Here a comment, there a comment
+
+  " Everywhere a comment
+
+Do (Move):
+  2j
+
+Execute (Call goto):
+  let g:test_request = {
+    \ 'result': {
+      \ 'uri': 'file://' . expand('%'),
+      \ 'range': {
+        \ 'start': {'line': 0, 'character': 4},
+        \ 'end': {'line': 0, 'character': 8},
+      \ },
+    \ }}
+
+  Log g:test_request.result.uri
+
+  let cmd = langserver#api#textDocument#definition(g:test_request)
+  AssertEqual cmd, 'norm! 1G5|'
+
+" I Would like to use these but it doesn't seem to work.
+" Then (delete character):
+"   x
+
+" Expect (Line to be deleted):
+"   let his = 'that'
+
+"   " A comment here
+"   " A comment there
+"   " Here a comment, there a comment
+
+"   " Everywhere a comment
+
+