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emacs/code/elpa/lsp-mode-20230823.446/lsp-vhdl.el

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EmacsLisp

;;; lsp-vhdl.el --- VHDL Client settings -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Christian Birk Sørensen
;; Author: Christian Birk Sørensen <chrbirks+emacs@gmail.com>
;; Created: 6 October 2019
;; Keywords: languages, lsp, vhdl
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; LSP support for VHDL using using an external language server. Currently
;; the supported servers are:
;;
;; VHDL-tool. See http://www.vhdltool.com/configuration for setting up the
;; project file.
;;
;; HDL Checker. See https://github.com/suoto/hdl_checker/wiki/setting-up-a-project
;; for setting up the project file.
;;
;; VHDL LS. See https://github.com/VHDL-LS/rust_hdl#configuration for setting
;; up the project file.
;;
;; GHDL LS. See https://github.com/ghdl/ghdl-language-server for setting up the
;; project file.
;;
;; Set the symbol lsp-vhdl-server to select the language server and set
;; lsp-vhdl-server-path if the binary is not in the user PATH.
;;; Code:
(require 'lsp-mode)
(defvar vhdl-tool-bin-name "vhdl-tool"
"Name of the VHDL Tool binary.")
(defvar hdl-checker-bin-name "hdl_checker"
"Name of HDL Checker binary.")
(defvar vhdl-ls-bin-name "vhdl_ls"
"Name of the VHDL LS binary.")
(defvar ghdl-ls-bin-name "ghdl-ls"
"Name of the GHDL LS binary.")
(defgroup lsp-vhdl nil
"LSP support for VHDL. Set lsp-vhdl-server to select server. The default is to use VHDL-tool."
:group 'lsp-mode)
(defcustom lsp-vhdl-server 'vhdl-tool
"Select which server to use:
VHDL-tool: A syntax checking, type checking and linting tool
\(http://vhdltool.com).
HDL Checker: A wrapper for third party tools such as GHDL,
ModelSim, Vivado Simulator
\(https://github.com/suoto/hdl_checker).
VHDL LS: A complete VHDL language server protocol implementation
with diagnostics, navigate to symbol, find all references etc
\(https://github.com/VHDL-LS/rust_hdl).
GHDL LS: A LSP server for VHDL based on GHDL
\(https://github.com/ghdl/ghdl-language-server)."
:type '(choice (const :tag "VHDL-tool" vhdl-tool)
(const :tag "HDL Checker" hdl-checker)
(const :tag "VHDL LS" vhdl-ls)
(const :tag "GHDL LS" ghdl-ls))
:group 'lsp-vhdl)
(defcustom lsp-vhdl-server-path nil
"Path to binary server file."
:group 'lsp-vhdl
:risky t
:type 'file)
(defvar lsp-vhdl--params nil)
(defun lsp-vhdl--create-connection ()
"Return lsp-stdio-connection based on the selected server."
(lsp-vhdl--set-server-path)
(lsp-vhdl--set-server-args)
(lsp-stdio-connection
(lambda () (cons (plist-get lsp-vhdl--params 'server-path) (plist-get lsp-vhdl--params 'server-args)))
(lambda () (executable-find (plist-get lsp-vhdl--params 'server-path)))))
(defun lsp-vhdl--set-server-path()
"Set path to server binary based on selection in lsp-vhdl-server."
(cond ((eq lsp-vhdl-server 'hdl-checker) (if (eq lsp-vhdl-server-path nil)
(setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-path hdl-checker-bin-name))
(setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-path lsp-vhdl-server-path))))
((eq lsp-vhdl-server 'vhdl-tool) (if (eq lsp-vhdl-server-path nil)
(setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-path vhdl-tool-bin-name))
(setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-path lsp-vhdl-server-path))))
((eq lsp-vhdl-server 'vhdl-ls) (if (eq lsp-vhdl-server-path nil)
(setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-path vhdl-ls-bin-name))
(setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-path lsp-vhdl-server-path))))
((eq lsp-vhdl-server 'ghdl-ls) (if (eq lsp-vhdl-server-path nil)
(setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-path ghdl-ls-bin-name))
(setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-path lsp-vhdl-server-path))))))
(defun lsp-vhdl--set-server-args()
"Set server arguments based on server selection."
(cond ((eq lsp-vhdl-server 'hdl-checker) (setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-args '("--lsp"))))
((eq lsp-vhdl-server 'vhdl-tool) (setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-args '("lsp"))))
((eq lsp-vhdl-server 'vhdl-ls) (setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-args '())))
((eq lsp-vhdl-server 'ghdl-ls) (setq lsp-vhdl--params (plist-put lsp-vhdl--params 'server-args '())))))
(lsp-register-client
(make-lsp-client :new-connection (lsp-vhdl--create-connection)
:major-modes '(vhdl-mode)
:language-id "VHDL"
:priority -1
:server-id 'lsp-vhdl))
(lsp-consistency-check lsp-vhdl)
(provide 'lsp-vhdl)
;;; lsp-vhdl.el ends here