185 lines
7.0 KiB
EmacsLisp
185 lines
7.0 KiB
EmacsLisp
;;; lsp-ada.el --- description -*- lexical-binding: t; -*-
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;; Copyright (C) 2020 emacs-lsp maintainers
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;; Author: emacs-lsp maintainers
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;; Keywords: lsp, ada
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; LSP Clients for the Ada Programming Language
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;;; Code:
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(require 'lsp-mode)
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(require 'lsp-semantic-tokens)
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(defgroup lsp-ada nil
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"Settings for Ada Language Server."
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:group 'tools
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:tag "Language Server"
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:package-version '(lsp-mode . "6.2"))
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(lsp-defcustom lsp-ada-project-file "default.gpr"
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"Set the project file full path to configure the language server with.
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The ~ prefix (for the user home directory) is supported.
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See https://github.com/AdaCore/ada_language_server for a per-project
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configuration example."
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:type 'string
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:group 'lsp-ada
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:package-version '(lsp-mode . "6.2")
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:lsp-path "ada.projectFile")
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(lsp-defcustom lsp-ada-option-charset "UTF-8"
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"The charset to use by the Ada Language server. Defaults to 'UTF-8'."
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:type 'string
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:group 'lsp-ada
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:package-version '(lsp-mode . "6.2")
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:lsp-path "ada.defaultCharset")
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(lsp-defcustom lsp-ada-enable-diagnostics t
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"A boolean to disable diagnostics. Defaults to true."
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:type 'boolean
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:group 'lsp-ada
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:package-version '(lsp-mode . "6.2")
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:lsp-path "ada.enableDiagnostics")
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(defcustom lsp-ada-als-executable "ada_language_server"
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"Command to start the Ada language server."
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:group 'lsp-ada
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:risky t
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:type 'file)
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(defcustom lsp-ada-alire-executable "alr"
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"The alire executable to run when a project is detected."
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:type 'string
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:group 'lsp-ada
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:package-version '(lsp-mode "8.0.1"))
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(defcustom lsp-ada-semantic-token-face-overrides
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'(("namespace" . default)
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("modifier" . lsp-face-semhl-keyword))
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"Semantic token face overrides to be applied."
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:type '(alist :key-type string
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:value-type (choice (face :tag "Face")
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(const :tag "No Face" nil)))
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:group 'lsp-ada
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:package-version '(lsp-mode "8.0.1"))
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(defcustom lsp-ada-semantic-token-modifier-face-overrides
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'(("declaration")
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("definition")
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("implementation")
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("static")
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("modification")
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("documentation")
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("defaultLibrary"))
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"Semantic token modifier face overrides to be applied."
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:type '(alist :key-type string
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:value-type (choice (face :tag "Face")
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(const :tag "No Face" nil)))
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:group 'lsp-ada
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:package-version '(lsp-mode "8.0.1"))
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(defvar lsp-ada--als-download-url-cache nil)
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(defvar lsp-ada--als-downloaded-executable
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(f-join lsp-server-install-dir
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"ada-ls"
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(symbol-name (lsp-resolve-value lsp--system-arch))
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(pcase system-type
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('gnu/linux "linux")
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('darwin "darwin")
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('windows-nt "win32")
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(_ "linux"))
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(concat "ada_language_server"
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(pcase system-type
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('windows-nt ".exe")
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(_ "")))))
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(defun lsp-ada--als-latest-release-url ()
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"URL for the latest release of the Ada Language Server."
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(setq lsp-ada--als-download-url-cache
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(lsp--find-latest-gh-release-url
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"https://api.github.com/repos/AdaCore/ada_language_server/releases/latest"
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(format "%s.zip"
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(pcase (list system-type (lsp-resolve-value lsp--system-arch))
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('(gnu/linux x64) "Linux_amd64")
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('(gnu/linux arm64) "Linux_aarch64")
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('(darwin x64) "macOS_amd64")
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('(darwin arm64) "macOS_aarch64")
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('(windows-nt x64) "Windows_amd64")
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(`(,_ x64) "Linux_amd64"))))))
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(defun lsp-ada--als-store-path ()
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"Store Path for the downloaded Ada Language Server."
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(f-join lsp-server-install-dir
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"ada-ls"
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(file-name-base (or lsp-ada--als-download-url-cache
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(lsp-ada--als-latest-release-url)
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"ada-ls"))))
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(defun lsp-ada--environment ()
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"Add environmental variables if needed."
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(let ((project-root (lsp-workspace-root)))
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;; When there is an alire project, include its environment
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(when (file-exists-p
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(concat (file-name-as-directory project-root)
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"alire.toml"))
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(let ((alr-executable (executable-find lsp-ada-alire-executable)))
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(if alr-executable
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;; Transform output variables to environment
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(let ((env-output (shell-command-to-string (concat alr-executable " printenv --unix"))))
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(let ((var-strings (split-string env-output "\n")))
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(mapcar (lambda (string)
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(if (string-match (rx "export" space (group (one-or-more ascii)) "=" "\"" (group (one-or-more ascii)) "\"") string)
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(let ((var-name (match-string 1 string))
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(var-value (match-string 2 string)))
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(cons var-name var-value))))
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var-strings)))
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(lsp--error "Found alire.toml but the executable %s could not be found" alr-executable))))))
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(lsp-dependency
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'ada-ls
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'(:download :url lsp-ada--als-latest-release-url
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:store-path lsp-ada--als-store-path
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:decompress :zip
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:binary-path lsp-ada--als-downloaded-executable
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:set-executable? t)
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'(:system lsp-ada-als-executable))
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(lsp-register-client
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(make-lsp-client :new-connection (lsp-stdio-connection
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(lambda () (lsp-package-path 'ada-ls)))
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:major-modes '(ada-mode ada-ts-mode)
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:priority -1
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:initialized-fn (lambda (workspace)
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(with-lsp-workspace workspace
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(lsp--set-configuration
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(lsp-configuration-section "ada"))))
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:download-server-fn (lambda (_client callback error-callback _update?)
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(lsp-package-ensure 'ada-ls callback error-callback))
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:semantic-tokens-faces-overrides `( :types ,lsp-ada-semantic-token-face-overrides
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:modifiers ,lsp-ada-semantic-token-modifier-face-overrides)
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:server-id 'ada-ls
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:synchronize-sections '("ada")
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:environment-fn 'lsp-ada--environment))
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(lsp-consistency-check lsp-ada)
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(provide 'lsp-ada)
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;;; lsp-ada.el ends here
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