94 lines
3.1 KiB
EmacsLisp
94 lines
3.1 KiB
EmacsLisp
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;; flycheck-eclim.el --- an interface to the Eclipse IDE. -*- lexical-binding: t; -*-
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;;
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;; Copyright (C) 2015 Łukasz Klich
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;;
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;; Author: Lukasz Klich <klich.lukasz@gmail.com>
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;;
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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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;;
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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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;;
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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 <http://www.gnu.org/licenses/>.
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;;
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;;; Contributors
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;;
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;;; Conventions
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;;
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;; Conventions used in this file: Name internal variables and functions
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;; "eclim--<descriptive-name>", and name external program invocations
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;; "eclim/command-name", like eclim/project-list.
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;;; Description
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;;
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;; flycheck-eclim.el -- flycheck extension to use error/warning information
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;; provided by eclim
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;;
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(require 'flycheck)
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(require 'eclim)
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(require 'json)
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(defun eclim--problems-for-file ()
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(when (buffer-modified-p)
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(let ((backup-inhibited t)
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auto-save-default)
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(save-buffer 0)))
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(eclim/execute-command "project_build" "-p")
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(setq eclim--problems-filter nil)
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(eclim--problems-mode-init t)
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(eclim-problems-buffer-refresh)
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eclim--problems-list)
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(defun flycheck-verify-eclim ()
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"Verify the Eclim syntax checker"
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(list
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(flycheck-verification-result-new
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:label "Eclim Mode"
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:message (if eclim-mode "Enabled" "Disabled")
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:face (if eclim-mode 'success '(bold warning)))))
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(defun flycheck-eclim-parse-problems (problems checker)
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"Parse Eclim PROBLEMS for CHECKER into Flycheck errors."
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(mapcar (lambda (p) (eclim-problem-->-flycheck-error p checker)) problems))
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(defun flycheck-eclim-start (checker callback)
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"Start a syntax CHECKER with Eclim."
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(condition-case err
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(let* ((problems (eclim--problems-for-file))
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(errors (flycheck-eclim-parse-problems problems checker)))
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(funcall callback 'finished errors))
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(error (funcall callback 'errored (error-message-string err)))))
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(defun eclim-problem-->-flycheck-error (problem checker)
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(let* ((warning? (cdr (assoc 'warning problem)))
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(severity (if (equal warning? :json-false) 'error 'warning)))
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(flycheck-error-new-at
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(cdr (assoc 'line problem))
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(cdr (assoc 'column problem))
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severity
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(cdr (assoc 'message problem))
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:checker checker
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:filename (cdr (assoc 'filename problem))
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:buffer (current-buffer))))
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(flycheck-define-generic-checker 'java-eclim
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"A Java syntax checker using Eclim.
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See URL `https://github.com/senny/emacs-eclim'."
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:start #'flycheck-eclim-start
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:verify #'flycheck-verify-eclim
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:modes '(java-mode)
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:predicate (lambda () (and eclim-mode)))
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(defun flycheck-eclim-setup ()
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"Setup Flycheck for Eclim."
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(interactive)
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(add-to-list 'flycheck-checkers 'java-eclim))
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(provide 'flycheck-eclim)
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