feat: add constructor requests

Author: s1n7ax

lua/java-core/ls/clients/jdtls-client.lua

@@ -8,6 +8,8 @@ local await = async.wait_handle_error
 ---| 'java/inferSelection'
 ---| 'java/getRefactorEdit'
 ---| 'java/buildWorkspace'
+---| 'java/checkConstructorsStatus'
+---| 'java/generateConstructors'
 
 ---@alias jdtls.CodeActionCommand
 ---| 'extractVariable'
@@ -45,7 +47,7 @@ end
 
 ---Sends a LSP request
 ---@param method java-core.JdtlsRequestMethod
----@param params lsp.ExecuteCommandParams
+---@param params lsp.LSPAny
 ---@param buffer? number
 function JdtlsClient:request(method, params, buffer)
 	log.debug('sending LSP request: ' .. method)
@@ -99,6 +101,39 @@ function JdtlsClient:java_infer_selection(command, params, buffer)
 	}, buffer)
 end
 
+--- @class jdtls.VariableBinding
+--- @field bindingKey string
+--- @field name string
+--- @field type string
+--- @field isField boolean
+--- @field isSelected? boolean
+
+---@class jdtls.MethodBinding
+---@field bindingKey string;
+---@field name string;
+---@field parameters string[];
+
+---@class jdtls.JavaCheckConstructorsStatusResponse
+---@field constructors jdtls.MethodBinding
+---@field fields jdtls.MethodBinding
+
+---@param params lsp.CodeActionParams
+---@return jdtls.JavaCheckConstructorsStatusResponse
+function JdtlsClient:java_check_constructors_status(params)
+	return self:request('java/checkConstructorsStatus', params)
+end
+
+---@class jdtls.GenerateConstructorsParams
+---@field context lsp.CodeActionParams
+---@field constructors jdtls.MethodBinding[]
+---@field fields jdtls.VariableBinding[]
+
+---@param params jdtls.GenerateConstructorsParams
+---@return lsp.WorkspaceEdit
+function JdtlsClient:java_generate_constructor(params)
+	return self:request('java/generateConstructors', params)
+end
+
 ---Returns refactor details
 ---@param command jdtls.CodeActionCommand
 ---@param action_params lsp.CodeActionParams

lua/java-core/ls/servers/jdtls/init.lua

@@ -18,7 +18,7 @@ local M = {}
 
 ---Returns a configuration for jdtls that you can pass into the setup of nvim-lspconfig
 ---@param opts JavaCoreGetConfigOptions
----@return LspSetupConfig # jdtls setup configuration
+---@return vim.lsp.ClientConfig
 function M.get_config(opts)
 	log.debug('generating jdtls config')
 
@@ -80,6 +80,7 @@ function M.get_config(opts)
 		end
 	end
 
+	---@diagnostic disable-next-line: assign-type-mismatch
 	base_config.root_dir = M.get_root_finder(opts.root_markers)
 	base_config.init_options.bundles = plugin_paths
 	base_config.init_options.workspace = utils.get_workspace_path()
@@ -92,7 +93,7 @@ end
 ---Returns a function that finds the java project root
 ---@private
 ---@param root_markers string[] list of files to find the root dir of a project
----@return fun(file_name: string): string | nil
+---@return fun(file_name: string): string
 function M.get_root_finder(root_markers)
 	return function(file_name)
 		log.debug('finding the root_dir with root_markers ', root_markers)

lua/java-core/types/nvim-types.lua

@@ -1,7 +1,6 @@
----@class nvim.Range
----@field end nvim.CursorPoint
----@field start nvim.CursorPoint
-
----@class nvim.CursorPoint
----@field line integer
----@field character integer
+---@class nvim.CodeActionParamsResponse
+---@field bufnr number
+---@field client_id number
+---@field method string
+---@field params lsp.CodeActionParams
+---@field version number

lua/java-core/utils/list.lua

@@ -31,13 +31,13 @@ function M:find(finder)
 end
 
 ---Returns a list of mapped values
----@param mapper fun(value: any): any
+---@param mapper fun(value: any, index: number): any
 ---@return java-core.List
 function M:map(mapper)
 	local mapped = M:new()
 
-	for _, v in ipairs(self) do
-		mapped:push(mapper(v))
+	for i, v in ipairs(self) do
+		mapped:push(mapper(v, i))
 	end
 
 	return mapped
@@ -112,4 +112,19 @@ function M:every(validator)
 	return true
 end
 
+---Returns a filtered list
+---@param filter fun(value: any, index: integer): boolean
+---@return java-core.List
+function M:filter(filter)
+	local new_list = M:new()
+
+	self:for_each(function(value, index)
+		if filter(value, index) then
+			new_list:push(value)
+		end
+	end)
+
+	return new_list
+end
+
 return M