270 lines
11 KiB
EmacsLisp
270 lines
11 KiB
EmacsLisp
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;;; lsp-kotlin.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, kotlin
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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 Kotlin Programming Language.
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;;; Code:
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(require 'lsp-mode)
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(require 'cl-lib)
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(require 'dash)
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(defgroup lsp-kotlin nil
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"LSP support for Kotlin, using KotlinLanguageServer."
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:group 'lsp-mode
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:link '(url-link "https://github.com/fwcd/KotlinLanguageServer"))
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(define-obsolete-variable-alias
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'lsp-kotlin-language-server-path
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'lsp-clients-kotlin-server-executable
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"lsp-mode 6.4")
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(defcustom lsp-clients-kotlin-server-executable
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(if (eq system-type 'windows-nt)
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"kotlin-language-server.bat"
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"kotlin-language-server")
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"The kotlin-language-server executable to use.
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Leave as just the executable name to use the default behavior of finding the
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executable with `exec-path'."
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:type 'string
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:group 'lsp-kotlin)
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(defcustom lsp-kotlin-trace-server "off"
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"Traces the communication between VSCode and the Kotlin language server."
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:type '(choice (:tag "off" "messages" "verbose"))
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:group 'lsp-kotlin
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:package-version '(lsp-mode . "6.1"))
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(defcustom lsp-kotlin-compiler-jvm-target "1.8"
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"Specifies the JVM target, e.g. \"1.6\" or \"1.8\"."
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:type 'string
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:group 'lsp-kotlin
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:package-version '(lsp-mode . "6.1"))
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(defcustom lsp-kotlin-linting-debounce-time 250
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"[DEBUG] Specifies the debounce time limit.
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Lower to increase responsiveness at the cost of possible stability issues."
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:type 'number
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:group 'lsp-kotlin
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:package-version '(lsp-mode . "6.1"))
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(defcustom lsp-kotlin-completion-snippets-enabled t
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"Specifies whether code completion should provide snippets (true) or
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plain-text items (false)."
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:type 'boolean
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:group 'lsp-kotlin
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:package-version '(lsp-mode . "6.1"))
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(defcustom lsp-kotlin-debug-adapter-enabled t
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"[Recommended] Specifies whether the debug adapter should be used.
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When enabled a debugger for Kotlin will be available."
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:type 'boolean)
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(defcustom lsp-kotlin-debug-adapter-path ""
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"Optionally a custom path to the debug adapter executable."
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:type 'string
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:group 'lsp-kotlin
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:package-version '(lsp-mode . "6.1"))
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(defcustom lsp-kotlin-external-sources-use-kls-scheme t
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"[Recommended] Specifies whether URIs inside JARs should be represented
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using the 'kls'-scheme."
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:type 'boolean
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:group 'lsp-kotlin
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:package-version '(lsp-mode . "6.1"))
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(defcustom lsp-kotlin-external-sources-auto-convert-to-kotlin t
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"Specifies whether decompiled/external classes should be auto-converted
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to Kotlin."
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:type 'boolean
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:group 'lsp-kotlin
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:package-version '(lsp-mode . "6.1"))
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(defcustom lsp-kotlin-server-download-url
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"https://github.com/fwcd/kotlin-language-server/releases/latest/download/server.zip"
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"The URL for the language server download."
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:type 'string
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:group 'lsp-kotlin
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:package-version '(lsp-mode . "8.0.1"))
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(lsp-register-custom-settings
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'(("kotlin.externalSources.autoConvertToKotlin" lsp-kotlin-external-sources-auto-convert-to-kotlin t)
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("kotlin.externalSources.useKlsScheme" lsp-kotlin-external-sources-use-kls-scheme t)
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("kotlin.debugAdapter.path" lsp-kotlin-debug-adapter-path)
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("kotlin.debugAdapter.enabled" lsp-kotlin-debug-adapter-enabled t)
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("kotlin.completion.snippets.enabled" lsp-kotlin-completion-snippets-enabled t)
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("kotlin.linting.debounceTime" lsp-kotlin-linting-debounce-time)
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("kotlin.compiler.jvm.target" lsp-kotlin-compiler-jvm-target)
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("kotlin.trace.server" lsp-kotlin-trace-server)
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("kotlin.languageServer.path" lsp-clients-kotlin-server-executable)))
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(defvar lsp-kotlin--language-server-path
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(f-join lsp-server-install-dir
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"kotlin" "server" "bin" (if (eq system-type 'windows-nt)
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"kotlin-language-server.bat"
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"kotlin-language-server"))
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"The path to store the language server at if necessary.")
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;; Debug and running
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(declare-function dap-debug "ext:dap-mode" (template) t)
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(defun lsp-kotlin-run-main (main-class project-root debug?)
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(require 'dap-kotlin)
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(dap-debug (list :type "kotlin"
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:request "launch"
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:mainClass main-class
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:projectRoot project-root
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:noDebug (not debug?))))
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(defun lsp-kotlin-lens-backend (_modified? callback)
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(when lsp-kotlin-debug-adapter-enabled
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(lsp-request-async
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"kotlin/mainClass"
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(list :uri (lsp--buffer-uri))
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(lambda (mainInfo)
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(let ((main-class (lsp-get mainInfo :mainClass))
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(project-root (lsp-get mainInfo :projectRoot))
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(range (lsp-get mainInfo :range)))
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(funcall callback
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(list (lsp-make-code-lens :range range
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:command
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(lsp-make-command
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:title "Run"
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:command (lambda ()
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(interactive)
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(lsp-kotlin-run-main main-class project-root nil))))
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(lsp-make-code-lens :range range
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:command
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(lsp-make-command
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:title "Debug"
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:command (lambda ()
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(interactive)
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(lsp-kotlin-run-main main-class project-root t)))))
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lsp--cur-version)))
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:mode 'tick)))
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(defvar lsp-lens-backends)
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(declare-function lsp-lens-refresh "lsp-lens" (buffer-modified? &optional buffer))
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(define-minor-mode lsp-kotlin-lens-mode
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"Toggle run/debug overlays."
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:group 'lsp-kotlin
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:global nil
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:init-value nil
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:lighter nil
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(cond
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(lsp-kotlin-lens-mode
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(require 'lsp-lens)
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;; set lens backends so they are available is lsp-lens-mode is activated
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;; backend does not support lenses, and block our other ones from showing. When backend support lenses again, we can use cl-pushnew to add it to lsp-lens-backends instead of overwriting
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(setq-local lsp-lens-backends (list #'lsp-kotlin-lens-backend))
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(lsp-lens-refresh t))
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(t (setq-local lsp-lens-backends (delete #'lsp-kotlin-lens-backend lsp-lens-backends)))))
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;; Stolen from lsp-java:
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;; https://github.com/emacs-lsp/lsp-java/blob/a1aff851bcf4f397f2a968557d213db1fede0c8a/lsp-java.el#L1065
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(declare-function helm-make-source "ext:helm-source")
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(defvar lsp-kotlin--helm-result nil)
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(defun lsp-kotlin--completing-read-multiple (message items initial-selection)
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(if (functionp 'helm)
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(progn
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(require 'helm-source)
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(helm :sources (helm-make-source
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message 'helm-source-sync :candidates items
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:action '(("Identity" lambda (_)
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(setq lsp-kotlin--helm-result (helm-marked-candidates)))))
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:buffer "*lsp-kotlin select*"
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:prompt message)
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lsp-kotlin--helm-result)
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(if (functionp 'ivy-read)
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(let (result)
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(ivy-read message (mapcar #'car items)
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:action (lambda (c) (setq result (list (cdr (assoc c items)))))
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:multi-action
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(lambda (candidates)
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(setq result (mapcar (lambda (c) (cdr (assoc c items))) candidates))))
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result)
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(let ((deps initial-selection) dep)
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(while (setq dep (cl-rest (lsp--completing-read
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(if deps
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(format "%s (selected %s): " message (length deps))
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(concat message ": "))
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items
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(-lambda ((name . id))
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(if (-contains? deps id)
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(concat name " ✓")
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name)))))
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(if (-contains? deps dep)
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(setq deps (remove dep deps))
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(cl-pushnew dep deps)))
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deps))))
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(defun lsp-kotlin-implement-member ()
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(interactive)
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(lsp-request-async
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"kotlin/overrideMember"
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(list :textDocument (list :uri (lsp--buffer-uri))
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:position (lsp--cur-position))
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(lambda (member-options)
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(-if-let* ((option-items (-map (lambda (x)
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(list (lsp-get x :title)
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(lsp-get (lsp-get (lsp-get x :edit)
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:changes)
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(intern (concat ":" (lsp--buffer-uri))))))
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member-options))
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(selected-members (lsp-kotlin--completing-read-multiple "Select overrides" option-items nil)))
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(dolist (edit (-flatten selected-members))
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(lsp--apply-text-edits edit))))))
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(lsp-dependency
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'kotlin-language-server
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`(:system ,lsp-clients-kotlin-server-executable)
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`(:download :url lsp-kotlin-server-download-url
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:decompress :zip
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:store-path ,(f-join lsp-server-install-dir "kotlin" "kotlin-language-server.zip")
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:binary-path lsp-clients-kotlin-server-executable
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:set-executable? t))
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(lsp-register-client
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(make-lsp-client
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:new-connection (lsp-stdio-connection (lambda ()
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`(,(or (when (f-exists? lsp-kotlin--language-server-path)
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lsp-kotlin--language-server-path)
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(or (executable-find lsp-clients-kotlin-server-executable)
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(lsp-package-path 'kotlin-language-server))
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"kotlin-language-server"))))
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:major-modes '(kotlin-mode kotlin-ts-mode)
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:priority -1
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:server-id 'kotlin-ls
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:initialized-fn (lambda (workspace)
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(with-lsp-workspace workspace
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(lsp--set-configuration (lsp-configuration-section "kotlin"))))
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:download-server-fn (lambda (_client callback error-callback _update?)
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(lsp-package-ensure 'kotlin-language-server callback error-callback))))
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(lsp-consistency-check lsp-kotlin)
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(provide 'lsp-kotlin)
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;;; lsp-kotlin.el ends here
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