forked from enlightenment/efl
399 lines
12 KiB
EmacsLisp
399 lines
12 KiB
EmacsLisp
;;; eo-mode-el -- Major mode for editing Eo (eolian) files
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;; Author: Gustavo Sverzut Barbieri <barbieri@profusion.mobi>
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;; Created: 2016-07-29
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;; Keywords: EFL Eo major-mode
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;; Copyright (C) 2016 Gustavo Sverzut Barbieri <barbieri@profusion.mobi>
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License as
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;; published by the Free Software Foundation; either version 2 of
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;; the License, or (at your option) any later version.
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;; This program is distributed in the hope that it will be
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;; useful, but WITHOUT ANY WARRANTY; without even the implied
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;; warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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;; PURPOSE. See the GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public
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;; License along with this program; if not, write to the Free
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;; Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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;; MA 02111-1307 USA
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;; To enable for *.eo and *.eot files, add to ~/.emacs:
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;;
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;; (add-to-list 'load-path "SOMEPATH/.emacs.d/site-packages/eo-mode.el")
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;; (add-to-list 'auto-mode-alist '("\\.eo$\\|\\.eot$" . eo-mode))
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;; (autoload 'eo-mode "eo-mode")
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(defvar eo-mode-hook nil)
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(defconst eo-font-lock-units
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(eval-when-compile
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(list
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(list (concat
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"^\\<"
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(regexp-opt
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'(
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"abstract"
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"class"
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"mixin"
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"interface"
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"type"
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"const"
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"var"
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"struct"
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"enum"
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"import"
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) t) "\\>\\(\\(\\s-+@"
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"\\(extern\\|free([^)]+)\\)"
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"\\)+\\|\\)\\s-+\\<\\([a-zA-Z_][a-zA-Z0-9_.]*\\)\\>")
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'(1 font-lock-keyword-face)
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'(2 font-lock-type-face)
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'(5 font-lock-function-name-face)
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)))
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"Toplevel Units")
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(defconst eo-font-lock-blocks
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(eval-when-compile
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(append eo-font-lock-units
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(list
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(list (concat
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"^\\s-+"
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(regexp-opt
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'(
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"methods"
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"events"
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"implements"
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"constructors"
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"params"
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"keys"
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"values"
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) t) "\\s-*{")
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'(1 font-lock-builtin-face)
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))))
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"blocks")
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(defconst eo-font-lock-blocks-with-modifiers
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(eval-when-compile
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(append eo-font-lock-blocks
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(list
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(list (concat
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"^\\s-+"
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(regexp-opt
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'(
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"get"
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"set"
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) t)
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"\\(\\s-+@"
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(regexp-opt
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'(
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"virtual_pure"
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) t)
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"\\|\\)\\s-*{")
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'(1 font-lock-builtin-face)
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'(2 font-lock-type-face)
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))))
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"blocks")
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(defconst eo-font-lock-constants
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(eval-when-compile
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(append eo-font-lock-blocks-with-modifiers
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(list
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(list (concat
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"\\<"
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(regexp-opt
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'(
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"null"
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"true"
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"false"
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) t) "\\>")
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'(1 font-lock-constant-face)
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))))
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"Constants")
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(defconst eo-font-lock-event
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(eval-when-compile
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(append eo-font-lock-constants
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(list
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(list (concat
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"^\\s-+\\([a-zA-Z][a-zA-Z0-9_,]*\\)\\(\\s-+@"
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(regexp-opt
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'(
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"private"
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"protected"
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"beta"
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"hot"
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) t) "\\|\\)\\s-*\\(:\\|;\\)")
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'(1 font-lock-variable-name-face)
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'(2 font-lock-type-face)
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))))
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"event")
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(defconst eo-font-lock-param
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(eval-when-compile
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(append eo-font-lock-event
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(list
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(list (concat
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"^\\s-+\\(@"
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(regexp-opt
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'(
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"in"
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"out"
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"inout"
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) t)
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"\\s-+\\|\\)\\([a-zA-Z][a-zA-Z0-9_]*\\)"
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"\\s-*:[^@]+*\\(\\(\\s-+@"
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(regexp-opt
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'(
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"nonull"
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"nullable"
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"optional"
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) t)
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"\\)+\\|\\)\\s-*;"
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)
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'(1 font-lock-type-face)
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'(3 font-lock-variable-name-face)
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'(4 font-lock-type-face)
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))))
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"parameters")
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(defconst eo-font-lock-return
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(eval-when-compile
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(append eo-font-lock-param
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(list
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(list (concat
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"^\\s-+return\\s-*:[^@]+*\\(\\(\\s-+@"
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(regexp-opt
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'(
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"warn_unused"
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) t)
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"\\)+\\|\\)\\s-*;"
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)
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'(1 font-lock-type-face)
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))))
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"return")
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(defconst eo-font-lock-default-implementation
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(eval-when-compile
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(append eo-font-lock-return
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(list
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(list (concat
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"^\\s-+"
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(regexp-opt
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'(
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"class.constructor"
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"class.destructor"
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) t)
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"\\s-*;"
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)
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'(1 font-lock-builtin-face)
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))))
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"Default Implementation")
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(defconst eo-font-lock-implementation
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(eval-when-compile
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(append eo-font-lock-default-implementation
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(list
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(list (concat
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"^\\s-+"
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"\\(@\\(auto\\|empty\\)\\s-+\\|\\)"
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"\\([a-zA-Z.][a-zA-Z0-9_.]*\\)"
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"\\s-*;"
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)
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'(1 font-lock-type-face)
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'(3 font-lock-variable-name-face)
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))))
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"Implementation")
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(defconst eo-font-lock-property
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(eval-when-compile
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(append eo-font-lock-implementation
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(list
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(list (concat
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"^\\s-+\\(@property\\)\\s-+"
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"\\([a-zA-Z][a-zA-Z0-9_]*\\)\\(\\(\\s-+@"
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(regexp-opt
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'(
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"protected"
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"class"
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"virtual_pure"
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"part"
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) t)
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"\\)+\\|\\)\\s-*{"
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)
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'(1 font-lock-type-face)
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'(2 font-lock-variable-name-face)
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'(3 font-lock-type-face)
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))))
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"Property method")
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(defconst eo-font-lock-method
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(eval-when-compile
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(append eo-font-lock-property
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(list
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(list (concat
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"^\\s-+\\([a-zA-Z][a-zA-Z0-9_]*\\)\\(\\(\\s-+@"
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(regexp-opt
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'(
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"protected"
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"const"
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"class"
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"virtual_pure"
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) t)
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"\\)+\\|\\)\\s-*{"
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)
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'(1 font-lock-variable-name-face)
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'(2 font-lock-type-face)
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))))
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"Method")
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(defconst eo-font-lock-fields
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(eval-when-compile
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(append eo-font-lock-method
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(list
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(list "^\\s-+\\<\\([a-zA-Z0-9][a-zA-Z0-9_,]*\\)\\>:"
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'(1 font-lock-variable-name-face)
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))))
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"Fields & Events without modifiers")
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(defconst eo-font-lock-complex-type
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(eval-when-compile
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(append eo-font-lock-fields
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(list
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(list (concat
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"\\<"
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(regexp-opt
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'(
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"accessor"
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"array"
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"iterator"
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"hash"
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"list"
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) t)
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"\\>\\s-*<"
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)
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'(1 font-lock-builtin-face)
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))))
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"Complex types, C++ template style.")
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(defconst eo-font-lock-expression-functions
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(eval-when-compile
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(append eo-font-lock-complex-type
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(list
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(list (concat
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"\\<"
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(regexp-opt
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'(
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"own"
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"const"
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"free"
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) t)
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"\\>\\s-*("
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)
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'(1 font-lock-builtin-face)
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))))
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"Expression Functions")
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(defconst eo-font-lock-known-types
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(eval-when-compile
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(append eo-font-lock-expression-functions
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(list
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(list (concat
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"\\<"
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(regexp-opt
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'(
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"byte"
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"ubyte"
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"char"
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"short"
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"ushort"
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"int"
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"uint"
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"long"
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"ulong"
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"llong"
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"ullong"
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"int8"
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"uint8"
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"int16"
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"uint16"
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"int32"
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"uint32"
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"int64"
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"uint64"
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"int128"
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"uint128"
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"size"
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"ssize"
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"intptr"
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"uintptr"
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"ptrdiff"
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"time"
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"float"
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"double"
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"bool"
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"void"
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"void_ptr"
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) t)
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"\\>"
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)
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'(1 font-lock-builtin-face)
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))))
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"Expression Functions")
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(defgroup eo nil
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"EFL's Eo formatting."
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:prefix "eo-"
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:group 'faces)
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(defface eo-docstring-face
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'((t :inherit font-lock-string-face))
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"Face used to highlight documentation strings."
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:group 'eo)
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(defconst eo-font-lock-docstring
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(eval-when-compile
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(append eo-font-lock-known-types
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(list
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(list "\\(\\[\\[.*\\]\\]\\)"
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'(1 'eo-docstring-face t) ;; t = overrides comment existing formatting
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))))
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"Documentation")
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(defvar eo-font-lock eo-font-lock-docstring)
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(defvar eo-mode-syntax-table
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(let ((eo-mode-syntax-table (make-syntax-table)))
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;; [ is open and matches ], but [[ is a docstring starter
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(modify-syntax-entry ?[ "(]12c" eo-mode-syntax-table)
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(modify-syntax-entry ?] ")[34c" eo-mode-syntax-table)
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eo-mode-syntax-table)
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"Syntax table for eo-mode")
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(c-add-style
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"eo"
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'("gnu"
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(indent-tabs-mode . nil)
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(tab-width . 8)
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(c-basic-offset . 4)
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(c-backslash-column . 72)
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))
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(define-derived-mode eo-mode c-mode "Eo"
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"Major mode for editing Eo files"
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(interactive)
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(use-local-map eo-mode-map)
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(set-syntax-table eo-mode-syntax-table)
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(set (make-local-variable 'font-lock-defaults) '(eo-font-lock))
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(set (make-local-variable 'require-final-newline) t)
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(c-set-style "eo")
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(run-hooks 'eo-mode-hook)
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)
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(provide 'eo-mode)
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