backport: fix(lsp): Ensure users get feedback on references/symbols errors or empty results

Relates to https://github.com/neovim/neovim/issues/15050

Users should get some indication if there was an error or an empty
result.
This commit is contained in:
Mathias Fussenegger 2021-07-11 10:47:47 +02:00 committed by Sean Dewar
parent 9f73b7c214
commit 33000bd9cf
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@ -191,30 +191,37 @@ M['textDocument/codeLens'] = function(...)
return require('vim.lsp.codelens').on_codelens(...)
end
--@see https://microsoft.github.io/language-server-protocol/specifications/specification-current/#textDocument_references
M['textDocument/references'] = function(_, _, result)
if not result then return end
util.set_qflist(util.locations_to_items(result))
api.nvim_command("copen")
end
--@private
--- Prints given list of symbols to the quickfix list.
--@param _ (not used)
--@param _ (not used)
--@param result (list of Symbols) LSP method name
--@param result (table) result of LSP method; a location or a list of locations.
---(`textDocument/definition` can return `Location` or `Location[]`
local symbol_handler = function(_, _, result, _, bufnr)
if not result or vim.tbl_isempty(result) then return end
util.set_qflist(util.symbols_to_items(result, bufnr))
api.nvim_command("copen")
--- Return a function that converts LSP responses to quickfix items and opens the qflist
--
--@param map_result function `((resp, bufnr) -> list)` to convert the response
--@param entity name of the resource used in a `not found` error message
local function response_to_qflist(map_result, entity)
return function(err, _, result, _, bufnr)
if err then
vim.notify(err.message, vim.log.levels.ERROR)
return
end
if not result or vim.tbl_isempty(result) then
vim.notify('No ' .. entity .. ' found')
else
util.set_qflist(map_result(result, bufnr))
api.nvim_command("copen")
end
end
end
--@see https://microsoft.github.io/language-server-protocol/specifications/specification-current/#textDocument_references
M['textDocument/references'] = response_to_qflist(util.locations_to_items, 'references')
--@see https://microsoft.github.io/language-server-protocol/specifications/specification-current/#textDocument_documentSymbol
M['textDocument/documentSymbol'] = symbol_handler
M['textDocument/documentSymbol'] = response_to_qflist(util.symbols_to_items, 'document symbols')
--@see https://microsoft.github.io/language-server-protocol/specifications/specification-current/#workspace_symbol
M['workspace/symbol'] = symbol_handler
M['workspace/symbol'] = response_to_qflist(util.symbols_to_items, 'symbols')
--@see https://microsoft.github.io/language-server-protocol/specifications/specification-current/#textDocument_rename
M['textDocument/rename'] = function(_, _, result)