Start adding symbol requests

autoload/langserver/callbacks.vim

@@ -40,6 +40,8 @@ function! langserver#callbacks#on_notification(id, data, event) abort
          call langserver#hover#callback(a:id, a:data, a:event)
       elseif l:last_topic ==? 'textDocument/didOpen'
          call langserver#documents#callback_did_open(a:id, a:data, a:event)
+       elseif l:last_topic ==? 'workspace/symbol'
+         call langserver#symbol#workspace#callback(a:id, a:data, a:event)
       else
          call langserver#log#log('warning', 'LAST REQUEST: ' . l:last_topic, v:true)
       endif
@@ -58,3 +60,20 @@ function! langserver#callbacks#on_notification(id, data, event) abort
       endif
    endif
 endfunction
+
+function! langserver#callbacks#data(id, data, event) abort
+  call langserver#log#callback(a:id, a:data, a:event)
+
+  if type(a:data) != type({})
+    return ''
+  endif
+
+  if has_key(a:data, 'response')
+    let l:parsed_data = a:data['response']['result']
+  else
+    return ''
+  endif
+
+  let g:last_response = l:parsed_data
+  return l:parsed_data
+endfunction

autoload/langserver/hover.vim

@@ -1,22 +1,12 @@
 function! langserver#hover#callback(id, data, event) abort
-  call langserver#log#callback(a:id, a:data, a:event)
-
-  if type(a:data) != type({})
-    return
-  endif
-
-  if has_key(a:data, 'response')
-    let l:parsed_data = a:data['response']['result']
-  else
+  let l:parsed_data = langserver#callbacks#data(a:id, a:data, a:event)
+  if l:parsed_data == {}
     return
   endif
 
-  let g:last_response = l:parsed_data
-
-
   " {'data': {'textDocument/hover': {'range': {'end': {'character': 20, 'line': 44}, 'start': {'character': 9, 'line': 44}}, 'contents': [{'language': 'go', 'value': 'type LangHandler struct'}, {'language': 'markdown', 'value': 'LangHandler is a Go language server LSP/JSON-RPC handler.'}]}}, 'type': 'result'}
-  let l:range = a:data['response']['result']['range']
-  let l:data = a:data['response']['result']['contents']
+  let l:range = l:parsed_data['range']
+  let l:data = l:parsed_data['contents']
 
   call langserver#hover#display(l:range, l:data)
 endfunction

autoload/langserver/symbol/util.vim

@@ -0,0 +1,44 @@
+let s:symbol_kind: {
+      \ 'name': {
+        \ 'File': 1,
+        \ 'Module': 2,
+        \ 'Namespace': 3,
+        \ 'Package': 4,
+        \ 'Class': 5,
+        \ 'Method': 6,
+        \ 'Property': 7,
+        \ 'Field': 8,
+        \ 'Constructor': 9,
+        \ 'Enum': 10,
+        \ 'Interface': 11,
+        \ 'Function': 12,
+        \ 'Variable': 13,
+        \ 'Constant': 14,
+        \ 'String': 15,
+        \ 'Number': 16,
+        \ 'Boolean': 17,
+        \ 'Array': 18,
+        \ }
+      \ 'number': {
+        \ 1: 'File',
+        \ 2: 'Module',
+        \ 3: 'Namespace',
+        \ 4: 'Package',
+        \ 5: 'Class',
+        \ 6: 'Method',
+        \ 7: 'Property',
+        \ 8: 'Field',
+        \ 9: 'Constructor',
+        \ 10: 'Enum',
+        \ 11: 'Interface',
+        \ 12: 'Function',
+        \ 13: 'Variable',
+        \ 14: 'Constant',
+        \ 15: 'String',
+        \ 16: 'Number',
+        \ 17: 'Boolean',
+        \ 18: 'Array',
+        \ }
+      \}
+
+

autoload/langserver/symbol/workspace.vim

@@ -0,0 +1,23 @@
+let s:method = 'workspace/symbol'
+
+function! langserver#symbol#workspace#callback(id, data, event) abort
+  let l:parsed_data = langserver#callbacks#data(a:id, a:data, a:event)
+  if type(l:parsed_data) == type('') && l:parsed_data ==? ''
+    return
+  endif
+
+  call langserver#log#log('info', a:data, v:true)
+endfunction
+
+function!langserver#symbol#workspace#request(...) abort
+   if a:0 > 0
+      let l:query = a:1
+   else
+      let l:query = expand('<cword>')
+   endif
+
+   return langserver#client#send(langserver#util#get_lsp_id(), {
+            \ 'method': s:method,
+            \ 'params': {'query': l:query}
+            \ })
+endfunction