diff options
-rw-r--r-- | runtime/doc/lsp.txt | 4 | ||||
-rw-r--r-- | runtime/lua/vim/lsp/handlers.lua | 25 | ||||
-rw-r--r-- | runtime/lua/vim/lsp/util.lua | 15 | ||||
-rw-r--r-- | test/functional/fixtures/fake-lsp-server.lua | 17 | ||||
-rw-r--r-- | test/functional/plugin/lsp_spec.lua | 42 |
5 files changed, 103 insertions, 0 deletions
diff --git a/runtime/doc/lsp.txt b/runtime/doc/lsp.txt index 8e93b188e9..02d41e7f53 100644 --- a/runtime/doc/lsp.txt +++ b/runtime/doc/lsp.txt @@ -755,6 +755,10 @@ start_client({config}) *vim.lsp.start_client()* array. {handlers} Map of language server method names to |lsp-handler| + {settings} Map with language server specific + settings. These are returned to the language server if + requested via `workspace/configuration`. Keys are + case-sensitive. {init_options} Values to pass in the initialization request as `initializationOptions` . See `initialize` in the LSP spec. diff --git a/runtime/lua/vim/lsp/handlers.lua b/runtime/lua/vim/lsp/handlers.lua index c26affc100..de00d36188 100644 --- a/runtime/lua/vim/lsp/handlers.lua +++ b/runtime/lua/vim/lsp/handlers.lua @@ -148,6 +148,31 @@ M['workspace/applyEdit'] = function(_, _, workspace_edit) } end +--@see https://microsoft.github.io/language-server-protocol/specifications/specification-current/#workspace_configuration +M['workspace/configuration'] = function(err, _, params, client_id) + local client = vim.lsp.get_client_by_id(client_id) + if not client then + err_message("LSP[id=", client_id, "] client has shut down after sending the message") + end + if err then error(vim.inspect(err)) end + if not params.items then + return {} + end + + local result = {} + for _, item in ipairs(params.items) do + if item.section then + local value = util.lookup_section(client.config.settings, item.section) or vim.NIL + -- For empty sections with no explicit '' key, return settings as is + if value == vim.NIL and item.section == '' then + value = client.config.settings or vim.NIL + end + table.insert(result, value) + end + end + return result +end + M['textDocument/publishDiagnostics'] = function(...) return require('vim.lsp.diagnostic').on_publish_diagnostics(...) end diff --git a/runtime/lua/vim/lsp/util.lua b/runtime/lua/vim/lsp/util.lua index 0972ea83c4..ecff95f61e 100644 --- a/runtime/lua/vim/lsp/util.lua +++ b/runtime/lua/vim/lsp/util.lua @@ -1422,6 +1422,21 @@ function M.character_offset(buf, row, col) return str_utfindex(line, col) end +--- Helper function to return nested values in language server settings +--- +--@param settings a table of language server settings +--@param section a string indicating the field of the settings table +--@returns (table or string) The value of settings accessed via section +function M.lookup_section(settings, section) + for part in vim.gsplit(section, '.', true) do + settings = settings[part] + if not settings then + return + end + end + return settings +end + M._get_line_byte_from_position = get_line_byte_from_position M._warn_once = warn_once diff --git a/test/functional/fixtures/fake-lsp-server.lua b/test/functional/fixtures/fake-lsp-server.lua index a30eb748d0..252db88b6b 100644 --- a/test/functional/fixtures/fake-lsp-server.lua +++ b/test/functional/fixtures/fake-lsp-server.lua @@ -109,6 +109,23 @@ function tests.basic_init() } end +function tests.check_workspace_configuration() + skeleton { + on_init = function(_params) + return { capabilities = {} } + end; + body = function() + notify('start') + notify('workspace/configuration', { items = { + { section = "testSetting1" }; + { section = "testSetting2" }; + } }) + expect_notification('workspace/configuration', { true; vim.NIL}) + notify('shutdown') + end; + } +end + function tests.basic_check_capabilities() skeleton { on_init = function(params) diff --git a/test/functional/plugin/lsp_spec.lua b/test/functional/plugin/lsp_spec.lua index f01d90bbeb..ec06cb0639 100644 --- a/test/functional/plugin/lsp_spec.lua +++ b/test/functional/plugin/lsp_spec.lua @@ -262,6 +262,48 @@ describe('LSP', function() } end) + it('client should return settings via workspace/configuration handler', function() + local expected_callbacks = { + {NIL, "shutdown", {}, 1}; + {NIL, "workspace/configuration", { items = { + { section = "testSetting1" }; + { section = "testSetting2" }; + }}, 1}; + {NIL, "start", {}, 1}; + } + local client + test_rpc_server { + test_name = "check_workspace_configuration"; + on_init = function(_client) + client = _client + end; + on_exit = function(code, signal) + eq(0, code, "exit code", fake_lsp_logfile) + eq(0, signal, "exit signal", fake_lsp_logfile) + end; + on_callback = function(err, method, params, client_id) + eq(table.remove(expected_callbacks), {err, method, params, client_id}, "expected callback") + if method == 'start' then + exec_lua([=[ + local client = vim.lsp.get_client_by_id(TEST_RPC_CLIENT_ID) + client.config.settings = { + testSetting1 = true; + testSetting2 = false; + }]=]) + end + if method == 'workspace/configuration' then + local result = exec_lua([=[ + local method, params = ... + return require'vim.lsp.handlers'['workspace/configuration'](err, method, params, TEST_RPC_CLIENT_ID)]=], method, params) + client.notify('workspace/configuration', result) + end + if method == 'shutdown' then + client.stop() + end + end; + } + end) + it('should verify capabilities sent', function() local expected_callbacks = { {NIL, "shutdown", {}, 1}; |