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authorGustavo Sverzut Barbieri <barbieri@profusion.mobi>2016-07-29 01:05:17 -0300
committerGustavo Sverzut Barbieri <barbieri@profusion.mobi>2016-07-29 01:07:57 -0300
commitc9f24bb5587b9c0862bed35e262f32b4e088adac (patch)
treed48c5472bc05ec7da924273ef79525f8e80ac61c
parenteina: add back option lost at some point for debugging. (diff)
downloadefl-c9f24bb5587b9c0862bed35e262f32b4e088adac.tar.gz
eo-mode.el for emacs.
This major mode provides colored output, that helps a lot to view and edit ".eo" and ".eot" files. It's the first version, I still see some indenting issues with toplevel blocks such as struct and enums. Nonetheless it's much more useful than fundamental-mode (pure text).
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+;;; eo-mode-el -- Major mode for editing Eo (eolian) files
+
+;; Author: Gustavo Sverzut Barbieri <barbieri@profusion.mobi>
+;; Created: 2016-07-29
+;; Keywords: EFL Eo major-mode
+
+;; Copyright (C) 2016 Gustavo Sverzut Barbieri <barbieri@profusion.mobi>
+
+;; This program is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU General Public License as
+;; published by the Free Software Foundation; either version 2 of
+;; the License, or (at your option) any later version.
+
+;; This program is distributed in the hope that it will be
+;; useful, but WITHOUT ANY WARRANTY; without even the implied
+;; warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+;; PURPOSE. See the GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public
+;; License along with this program; if not, write to the Free
+;; Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+;; MA 02111-1307 USA
+
+;; To enable for *.eo and *.eot files, add to ~/.emacs:
+;;
+;; (add-to-list 'load-path "SOMEPATH/.emacs.d/site-packages/eo-mode.el")
+;; (add-to-list 'auto-mode-alist '("\\.eo$\\|\\.eot$" . eo-mode))
+;; (autoload 'eo-mode "eo-mode")
+
+
+(defvar eo-mode-hook nil)
+
+(defconst eo-font-lock-units
+ (eval-when-compile
+ (list
+ (list (concat
+ "^\\<"
+ (regexp-opt
+ '(
+ "abstract"
+ "class"
+ "mixin"
+ "interface"
+ "type"
+ "const"
+ "var"
+ "struct"
+ "enum"
+ "import"
+ ) t) "\\>\\(\\(\\s-+@"
+ "\\(extern\\|free([^)]+)\\)"
+ "\\)+\\|\\)\\s-+\\<\\([a-zA-Z_][a-zA-Z0-9_.]*\\)\\>")
+ '(1 font-lock-keyword-face)
+ '(2 font-lock-type-face)
+ '(5 font-lock-function-name-face)
+ )))
+ "Toplevel Units")
+
+(defconst eo-font-lock-blocks
+ (eval-when-compile
+ (append eo-font-lock-units
+ (list
+ (list (concat
+ "^\\s-+"
+ (regexp-opt
+ '(
+ "methods"
+ "events"
+ "implements"
+ "constructors"
+ "params"
+ "keys"
+ "values"
+ ) t) "\\s-*{")
+ '(1 font-lock-builtin-face)
+ ))))
+ "blocks")
+
+(defconst eo-font-lock-blocks-with-modifiers
+ (eval-when-compile
+ (append eo-font-lock-blocks
+ (list
+ (list (concat
+ "^\\s-+"
+ (regexp-opt
+ '(
+ "get"
+ "set"
+ ) t)
+ "\\(\\s-+@"
+ (regexp-opt
+ '(
+ "virtual_pure"
+ ) t)
+ "\\|\\)\\s-*{")
+ '(1 font-lock-builtin-face)
+ '(2 font-lock-type-face)
+ ))))
+ "blocks")
+
+(defconst eo-font-lock-constants
+ (eval-when-compile
+ (append eo-font-lock-blocks-with-modifiers
+ (list
+ (list (concat
+ "\\<"
+ (regexp-opt
+ '(
+ "null"
+ "true"
+ "false"
+ ) t) "\\>")
+ '(1 font-lock-constant-face)
+ ))))
+ "Constants")
+
+(defconst eo-font-lock-event
+ (eval-when-compile
+ (append eo-font-lock-constants
+ (list
+ (list (concat
+ "^\\s-+\\([a-zA-Z][a-zA-Z0-9_,]*\\)\\(\\s-+@"
+ (regexp-opt
+ '(
+ "private"
+ "protected"
+ "beta"
+ "hot"
+ ) t) "\\|\\)\\s-*\\(:\\|;\\)")
+ '(1 font-lock-variable-name-face)
+ '(2 font-lock-type-face)
+ ))))
+ "event")
+
+(defconst eo-font-lock-param
+ (eval-when-compile
+ (append eo-font-lock-event
+ (list
+ (list (concat
+ "^\\s-+\\(@"
+ (regexp-opt
+ '(
+ "in"
+ "out"
+ "inout"
+ ) t)
+ "\\s-+\\|\\)\\([a-zA-Z][a-zA-Z0-9_]*\\)"
+ "\\s-*:[^@]+*\\(\\(\\s-+@"
+ (regexp-opt
+ '(
+ "nullable"
+ "optional"
+ ) t)
+ "\\)+\\|\\)\\s-*;"
+ )
+ '(1 font-lock-type-face)
+ '(3 font-lock-variable-name-face)
+ '(4 font-lock-type-face)
+ ))))
+ "parameters")
+
+
+(defconst eo-font-lock-return
+ (eval-when-compile
+ (append eo-font-lock-param
+ (list
+ (list (concat
+ "^\\s-+return\\s-*:[^@]+*\\(\\(\\s-+@"
+ (regexp-opt
+ '(
+ "warn_unused"
+ ) t)
+ "\\)+\\|\\)\\s-*;"
+ )
+ '(1 font-lock-type-face)
+ ))))
+ "return")
+
+(defconst eo-font-lock-default-implementation
+ (eval-when-compile
+ (append eo-font-lock-return
+ (list
+ (list (concat
+ "^\\s-+"
+ (regexp-opt
+ '(
+ "class.constructor"
+ "class.destructor"
+ ) t)
+ "\\s-*;"
+ )
+ '(1 font-lock-builtin-face)
+ ))))
+ "Default Implementation")
+
+(defconst eo-font-lock-implementation
+ (eval-when-compile
+ (append eo-font-lock-default-implementation
+ (list
+ (list (concat
+ "^\\s-+"
+ "\\(@\\(auto\\|empty\\)\\s-+\\|\\)"
+ "\\([a-zA-Z.][a-zA-Z0-9_.]*\\)"
+ "\\s-*;"
+ )
+ '(1 font-lock-type-face)
+ '(3 font-lock-variable-name-face)
+ ))))
+ "Implementation")
+
+(defconst eo-font-lock-property
+ (eval-when-compile
+ (append eo-font-lock-implementation
+ (list
+ (list (concat
+ "^\\s-+\\(@property\\)\\s-+"
+ "\\([a-zA-Z][a-zA-Z0-9_]*\\)\\(\\(\\s-+@"
+ (regexp-opt
+ '(
+ "protected"
+ "class"
+ "virtual_pure"
+ "part"
+ ) t)
+ "\\)+\\|\\)\\s-*{"
+ )
+ '(1 font-lock-type-face)
+ '(2 font-lock-variable-name-face)
+ '(3 font-lock-type-face)
+ ))))
+ "Property method")
+
+(defconst eo-font-lock-method
+ (eval-when-compile
+ (append eo-font-lock-property
+ (list
+ (list (concat
+ "^\\s-+\\([a-zA-Z][a-zA-Z0-9_]*\\)\\(\\(\\s-+@"
+ (regexp-opt
+ '(
+ "protected"
+ "const"
+ "class"
+ "virtual_pure"
+ ) t)
+ "\\)+\\|\\)\\s-*{"
+ )
+ '(1 font-lock-variable-name-face)
+ '(2 font-lock-type-face)
+ ))))
+ "Method")
+
+
+(defconst eo-font-lock-fields
+ (eval-when-compile
+ (append eo-font-lock-method
+ (list
+ (list "^\\s-+\\<\\([a-zA-Z0-9][a-zA-Z0-9_,]*\\)\\>:"
+ '(1 font-lock-variable-name-face)
+ ))))
+ "Fields & Events without modifiers")
+
+(defconst eo-font-lock-complex-type
+ (eval-when-compile
+ (append eo-font-lock-fields
+ (list
+ (list (concat
+ "\\<"
+ (regexp-opt
+ '(
+ "accessor"
+ "array"
+ "iterator"
+ "hash"
+ "list"
+ ) t)
+ "\\>\\s-*<"
+ )
+ '(1 font-lock-builtin-face)
+ ))))
+ "Complex types, C++ template style.")
+
+(defconst eo-font-lock-expression-functions
+ (eval-when-compile
+ (append eo-font-lock-complex-type
+ (list
+ (list (concat
+ "\\<"
+ (regexp-opt
+ '(
+ "own"
+ "const"
+ "free"
+ ) t)
+ "\\>\\s-*("
+ )
+ '(1 font-lock-builtin-face)
+ ))))
+ "Expression Functions")
+
+(defconst eo-font-lock-known-types
+ (eval-when-compile
+ (append eo-font-lock-expression-functions
+ (list
+ (list (concat
+ "\\<"
+ (regexp-opt
+ '(
+ "byte"
+ "ubyte"
+ "char"
+ "short"
+ "ushort"
+ "int"
+ "uint"
+ "long"
+ "ulong"
+ "llong"
+ "ullong"
+ "int8"
+ "uint8"
+ "int16"
+ "uint16"
+ "int32"
+ "uint32"
+ "int64"
+ "uint64"
+ "int128"
+ "uint128"
+ "size"
+ "ssize"
+ "intptr"
+ "uintptr"
+ "ptrdiff"
+ "time"
+ "float"
+ "double"
+ "bool"
+ "void"
+ ) t)
+ "\\>"
+ )
+ '(1 font-lock-builtin-face)
+ ))))
+ "Expression Functions")
+
+(defgroup eo nil
+ "EFL's Eo formatting."
+ :prefix "eo-"
+ :group 'faces)
+
+(defface eo-docstring-face
+ '((t :inherit font-lock-string-face))
+ "Face used to highlight documentation strings."
+ :group 'eo)
+
+(defconst eo-font-lock-docstring
+ (eval-when-compile
+ (append eo-font-lock-known-types
+ (list
+ (list "\\(\\[\\[.*\\]\\]\\)"
+ '(1 'eo-docstring-face t) ;; t = overrides comment existing formatting
+ ))))
+ "Documentation")
+
+(defvar eo-font-lock eo-font-lock-docstring)
+
+(defvar eo-mode-syntax-table
+ (let ((eo-mode-syntax-table (make-syntax-table)))
+ ;; [ is open and matches ], but [[ is a docstring starter
+ (modify-syntax-entry ?[ "(]12c" eo-mode-syntax-table)
+ (modify-syntax-entry ?] ")[34c" eo-mode-syntax-table)
+ eo-mode-syntax-table)
+ "Syntax table for eo-mode")
+
+(c-add-style
+ "eo"
+ '("gnu"
+ (indent-tabs-mode . nil)
+ (tab-width . 8)
+ (c-basic-offset . 4)
+ (c-backslash-column . 72)
+ ))
+
+(define-derived-mode eo-mode c-mode "Eo"
+ "Major mode for editing Eo files"
+ (interactive)
+ (use-local-map eo-mode-map)
+ (set-syntax-table eo-mode-syntax-table)
+ (set (make-local-variable 'font-lock-defaults) '(eo-font-lock))
+ (set (make-local-variable 'require-final-newline) t)
+ (c-set-style "eo")
+ (run-hooks 'eo-mode-hook)
+ )
+
+(provide 'eo-mode)