62 lines
2.1 KiB
EmacsLisp
62 lines
2.1 KiB
EmacsLisp
;;; treemacs.el --- A tree style file viewer package -*- lexical-binding: t -*-
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;; Copyright (C) 2020 Alexander Miller
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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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;;; Implementation for logging messages.
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;;; Code:
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(defvar treemacs--no-messages nil
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"When set to t `treemacs-log' will produce no output.
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Not used directly, but as part of `treemacs-without-messages'.")
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(defmacro treemacs-without-messages (&rest body)
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"Temporarily turn off messages to execute BODY."
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(declare (debug t))
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`(let ((treemacs--no-messages t))
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,@body))
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(defmacro treemacs--do-log (prefix msg &rest args)
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"Print a log statement with the given PREFIX and MSG and format ARGS."
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`(unless treemacs--no-messages
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(message "%s %s" ,prefix (format ,msg ,@args))))
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(defmacro treemacs-log (msg &rest args)
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"Write an info/success log statement given format string MSG and ARGS."
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(declare (indent 1))
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`(treemacs--do-log
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(propertize "[Treemacs]" 'face 'font-lock-keyword-face)
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,msg ,@args))
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(defmacro treemacs-log-failure (msg &rest args)
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"Write a warning/failure log statement given format string MSG and ARGS."
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(declare (indent 1))
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`(treemacs--do-log
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(propertize "[Treemacs Failure]" 'face '((:inherit warning :weight bold)))
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,msg ,@args))
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(defmacro treemacs-log-err (msg &rest args)
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"Write an error log statement given format string MSG and ARGS."
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(declare (indent 1))
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`(treemacs--do-log
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(propertize "[Treemacs Error]" 'face '((:inherit warning :weight bold)))
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,msg ,@args))
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(provide 'treemacs-logging)
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;;; treemacs-logging.el ends here
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