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author | 2010-12-05 12:41:38 +0100 | |
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committer | 2010-12-05 12:41:38 +0100 | |
commit | 15d8264356d0e02a98f388b66020fd1fdae93a16 (patch) | |
tree | f339e2e8dab3bd5ddff665210c86722d74379927 /emacs.d/vala-mode.el | |
parent | 608117225178a49638e3ec663b1940b0dc2d564e (diff) | |
download | dotfiles-15d8264356d0e02a98f388b66020fd1fdae93a16.tar.gz dotfiles-15d8264356d0e02a98f388b66020fd1fdae93a16.zip |
Added emacs config
Diffstat (limited to 'emacs.d/vala-mode.el')
-rw-r--r-- | emacs.d/vala-mode.el | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/emacs.d/vala-mode.el b/emacs.d/vala-mode.el new file mode 100644 index 0000000..0358790 --- /dev/null +++ b/emacs.d/vala-mode.el @@ -0,0 +1,395 @@ +;;; vala-mode.el --- Vala mode derived mode + +;; Author: 2005 Dylan R. E. Moonfire +;; 2008 Étienne BERSAC +;; Maintainer: Étienne BERSAC <bersace03@laposte.net> +;; Created: 2008 May the 4th +;; Modified: May 2008 +;; Version: 0.1 +;; Keywords: vala languages oop + +;; 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; see the file COPYING. If not, write to +;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +;; Boston, MA 02111-1307, USA. + +;;; Commentary: +;; +;; See http://live.gnome.org/Vala for details about Vala language. +;; +;; This is a separate mode to implement the Vala constructs and +;; font-locking. It is mostly the csharp-mode from +;; http://mfgames.com/linux/csharp-mode with vala specific keywords +;; and filename suffixes. +;; +;; Note: The interface used in this file requires CC Mode 5.30 or +;; later. + +;;; .emacs (don't put in (require 'vala-mode)) +;; (autoload 'vala-mode "vala-mode" "Major mode for editing Vala code." t) +;; (setq auto-mode-alist +;; (append '(("\\.vala$" . vala-mode)) auto-mode-alist)) + +;;; Versions: +;; +;; 0.1 : Initial version based on csharp-mode +;; + +;; This is a copy of the function in cc-mode which is used to handle +;; the eval-when-compile which is needed during other times. +(defun c-filter-ops (ops opgroup-filter op-filter &optional xlate) + ;; See cc-langs.el, a direct copy. + (unless (listp (car-safe ops)) + (setq ops (list ops))) + (cond ((eq opgroup-filter t) + (setq opgroup-filter (lambda (opgroup) t))) + ((not (functionp opgroup-filter)) + (setq opgroup-filter `(lambda (opgroup) + (memq opgroup ',opgroup-filter))))) + (cond ((eq op-filter t) + (setq op-filter (lambda (op) t))) + ((stringp op-filter) + (setq op-filter `(lambda (op) + (string-match ,op-filter op))))) + (unless xlate + (setq xlate 'identity)) + (c-with-syntax-table (c-lang-const c-mode-syntax-table) + (delete-duplicates + (mapcan (lambda (opgroup) + (when (if (symbolp (car opgroup)) + (when (funcall opgroup-filter (car opgroup)) + (setq opgroup (cdr opgroup)) + t) + t) + (mapcan (lambda (op) + (when (funcall op-filter op) + (let ((res (funcall xlate op))) + (if (listp res) res (list res))))) + opgroup))) + ops) + :test 'equal))) + +;; This inserts the bulk of the code. +(require 'cc-mode) + +;; These are only required at compile time to get the sources for the +;; language constants. (The cc-fonts require and the font-lock +;; related constants could additionally be put inside an +;; (eval-after-load "font-lock" ...) but then some trickery is +;; necessary to get them compiled.) +(eval-when-compile + (let ((load-path + (if (and (boundp 'byte-compile-dest-file) + (stringp byte-compile-dest-file)) + (cons (file-name-directory byte-compile-dest-file) load-path) + load-path))) + (load "cc-mode" nil t) + (load "cc-fonts" nil t) + (load "cc-langs" nil t))) + +(eval-and-compile + ;; Make our mode known to the language constant system. Use Java + ;; mode as the fallback for the constants we don't change here. + ;; This needs to be done also at compile time since the language + ;; constants are evaluated then. + (c-add-language 'vala-mode 'java-mode)) + +;; Java uses a series of regexes to change the font-lock for class +;; references. The problem comes in because Java uses Pascal (leading +;; space in names, SomeClass) for class and package names, but +;; Camel-casing (initial lowercase, upper case in words, +;; i.e. someVariable) for variables. +;;(error (byte-compile-dest-file)) +;;(error (c-get-current-file)) +(c-lang-defconst c-opt-after-id-concat-key + vala (if (c-lang-const c-opt-identifier-concat-key) + (c-lang-const c-symbol-start))) + +(c-lang-defconst c-basic-matchers-before + vala `( +;;;; Font-lock the attributes by searching for the +;;;; appropriate regex and marking it as TODO. + ;;,`(,(concat "\\(" vala-attribute-regex "\\)") + ;; 0 font-lock-function-name-face) + + ;; Put a warning face on the opener of unclosed strings that + ;; can't span lines. Later font + ;; lock packages have a `font-lock-syntactic-face-function' for + ;; this, but it doesn't give the control we want since any + ;; fontification done inside the function will be + ;; unconditionally overridden. + ,(c-make-font-lock-search-function + ;; Match a char before the string starter to make + ;; `c-skip-comments-and-strings' work correctly. + (concat ".\\(" c-string-limit-regexp "\\)") + '((c-font-lock-invalid-string))) + + ;; Fontify keyword constants. + ,@(when (c-lang-const c-constant-kwds) + (let ((re (c-make-keywords-re nil + (c-lang-const c-constant-kwds)))) + `((eval . (list ,(concat "\\<\\(" re "\\)\\>") + 1 c-constant-face-name))))) + + ;; Fontify all keywords except the primitive types. + ,`(,(concat "\\<" (c-lang-const c-regular-keywords-regexp)) + 1 font-lock-keyword-face) + + ;; Fontify leading identifiers in fully + ;; qualified names like "Foo.Bar". + ,@(when (c-lang-const c-opt-identifier-concat-key) + `((,(byte-compile + `(lambda (limit) + (while (re-search-forward + ,(concat "\\(\\<" ; 1 + "\\(" (c-lang-const c-symbol-key) + "\\)" ; 2 + "[ \t\n\r\f\v]*" + (c-lang-const + c-opt-identifier-concat-key) + "[ \t\n\r\f\v]*" + "\\)" + "\\(" + (c-lang-const + c-opt-after-id-concat-key) + "\\)") + limit t) + (unless (progn + (goto-char (match-beginning 0)) + (c-skip-comments-and-strings limit)) + (or (get-text-property (match-beginning 2) 'face) + (c-put-font-lock-face (match-beginning 2) + (match-end 2) + c-reference-face-name)) + (goto-char (match-end 1))))))))) + )) + +;; Vala does not allow a leading qualifier operator. It also doesn't +;; allow the ".*" construct of Java. So, we redo this regex without +;; the "\\|\\*" regex. +(c-lang-defconst c-identifier-key + vala (concat "\\(" (c-lang-const c-symbol-key) "\\)" ; 1 + (concat "\\(" + "[ \t\n\r\f\v]*" + (c-lang-const c-opt-identifier-concat-key) + "[ \t\n\r\f\v]*" + (concat "\\(" + "\\(" (c-lang-const c-symbol-key) "\\)" + "\\)") + "\\)*"))) + +;; Vala has a few rules that are slightly different than Java for +;; operators. This also removed the Java's "super" and replaces it +;; with the Vala's "base". +(c-lang-defconst c-operators + vala `((prefix "base"))) + +;; Vala directives ? +;; (c-lang-defconst c-opt-cpp-prefix +;; csharp "^\\s *#.*") + + +;; Vala uses the following assignment operators +(c-lang-defconst c-assignment-operators + vala '("=" "*=" "/=" "%=" "+=" "-=" ">>=" "<<=" + "&=" "^=" "|=" "++" "--")) + +;; This defines the primative types for Vala +(c-lang-defconst c-primitive-type-kwds + vala '("void" "char" "int" "float" "double" "string")) + +;; The keywords that define that the following is a type, such as a +;; class definition. +(c-lang-defconst c-type-prefix-kwds + vala '("class" "interface" "struct" "enum" "signal")) + +;; Type modifier keywords. They appear anywhere in types, but modifiy +;; instead create one. +(c-lang-defconst c-type-modifier-kwds + vala '("const")) + +;; Structures that are similiar to classes. +(c-lang-defconst c-class-decl-kwds + vala '("class" "interface")) + +;; The various modifiers used for class and method descriptions. +(c-lang-defconst c-modifier-kwds + vala '("public" "partial" "private" "const" "abstract" + "protected" "ref" "in" "out" "static" "virtual" + "override" "params" "internal" "weak" "owned" + "unowned")) + +;; We don't use the protection level stuff because it breaks the +;; method indenting. Not sure why, though. +(c-lang-defconst c-protection-kwds + vala nil) + +;; Define the keywords that can have something following after them. +(c-lang-defconst c-type-list-kwds + vala '("struct" "class" "interface" "is" "as" + "delegate" "event" "set" "get" "add" "remove" + "callback" "signal" "var" "default")) + +;; This allows the classes after the : in the class declartion to be +;; fontified. +(c-lang-defconst c-typeless-decl-kwds + vala '(":")) + +;; Sets up the enum to handle the list properly +(c-lang-defconst c-brace-list-decl-kwds + vala '("enum" "errordomain")) + +;; We need to remove Java's package keyword +(c-lang-defconst c-ref-list-kwds + vala '("using" "namespace" "construct")) + +;; Follow-on blocks that don't require a brace +(c-lang-defconst c-block-stmt-2-kwds + vala '("for" "if" "switch" "while" "catch" "foreach" "lock")) + +;; Statements that break out of braces +(c-lang-defconst c-simple-stmt-kwds + vala '("return" "continue" "break" "throw")) + +;; Statements that allow a label +;; TODO? +(c-lang-defconst c-before-label-kwds + vala nil) + +;; Constant keywords +(c-lang-defconst c-constant-kwds + vala '("true" "false" "null")) + +;; Keywords that start "primary expressions." +(c-lang-defconst c-primary-expr-kwds + vala '("this" "base")) + +;; We need to treat namespace as an outer block to class indenting +;; works properly. +(c-lang-defconst c-other-block-decl-kwds + vala '("namespace")) + +;; We need to include the "in" for the foreach +(c-lang-defconst c-other-kwds + vala '("in" "sizeof" "typeof")) + +(require 'cc-awk) + +(c-lang-defconst c-at-vsemi-p-fn + vala 'c-awk-at-vsemi-p) + + +(defcustom vala-font-lock-extra-types nil + "*List of extra types (aside from the type keywords) to recognize in Vala mode. +Each list item should be a regexp matching a single identifier.") + +(defconst vala-font-lock-keywords-1 (c-lang-const c-matchers-1 vala) + "Minimal highlighting for Vala mode.") + +(defconst vala-font-lock-keywords-2 (c-lang-const c-matchers-2 vala) + "Fast normal highlighting for Vala mode.") + +(defconst vala-font-lock-keywords-3 (c-lang-const c-matchers-3 vala) + "Accurate normal highlighting for Vala mode.") + +(defvar vala-font-lock-keywords vala-font-lock-keywords-3 + "Default expressions to highlight in Vala mode.") + +(defvar vala-mode-syntax-table + nil + "Syntax table used in vala-mode buffers.") +(or vala-mode-syntax-table + (setq vala-mode-syntax-table + (funcall (c-lang-const c-make-mode-syntax-table vala)))) + +(defvar vala-mode-abbrev-table nil + "Abbreviation table used in vala-mode buffers.") +(c-define-abbrev-table 'vala-mode-abbrev-table + ;; Keywords that if they occur first on a line + ;; might alter the syntactic context, and which + ;; therefore should trig reindentation when + ;; they are completed. + '(("else" "else" c-electric-continued-statement 0) + ("while" "while" c-electric-continued-statement 0) + ("catch" "catch" c-electric-continued-statement 0) + ("finally" "finally" c-electric-continued-statement 0))) + +(defvar vala-mode-map (let ((map (c-make-inherited-keymap))) + ;; Add bindings which are only useful for Vala + map) + "Keymap used in vala-mode buffers.") + +;;(easy-menu-define vala-menu vala-mode-map "Vala Mode Commands" +;; ;; Can use `vala' as the language for `c-mode-menu' +;; ;; since its definition covers any language. In +;; ;; this case the language is used to adapt to the +;; ;; nonexistence of a cpp pass and thus removing some +;; ;; irrelevant menu alternatives. +;; (cons "Vala" (c-lang-const c-mode-menu vala))) + +;;; Autoload mode trigger +(add-to-list 'auto-mode-alist '("\\.vala$" . vala-mode)) +(add-to-list 'auto-mode-alist '("\\.vapi$" . vala-mode)) + +;; Custom variables +(defcustom vala-mode-hook nil + "*Hook called by `vala-mode'." + :type 'hook + :group 'c) + +;;; The entry point into the mode +;;;###autoload +(defun vala-mode () + "Major mode for editing Vala code. +This is a simple example of a separate mode derived from CC Mode +to support a language with syntax similar to +C#/C/C++/ObjC/Java/IDL/Pike. + +The hook `c-mode-common-hook' is run with no args at mode +initialization, then `vala-mode-hook'. + +Key bindings: +\\{vala-mode-map}" + (interactive) + (kill-all-local-variables) + (c-initialize-cc-mode t) + (set-syntax-table vala-mode-syntax-table) + (setq major-mode 'vala-mode + mode-name "Vala" + local-abbrev-table vala-mode-abbrev-table + abbrev-mode t) + (use-local-map c-mode-map) + ;; `c-init-language-vars' is a macro that is expanded at compile + ;; time to a large `setq' with all the language variables and their + ;; customized values for our language. + (c-init-language-vars vala-mode) + ;; `c-common-init' initializes most of the components of a CC Mode + ;; buffer, including setup of the mode menu, font-lock, etc. + ;; There's also a lower level routine `c-basic-common-init' that + ;; only makes the necessary initialization to get the syntactic + ;; analysis and similar things working. + (c-common-init 'vala-mode) + ;;(easy-menu-add vala-menu) + (c-set-style "linux") + (setq indent-tabs-mode t) + (setq c-basic-offset 4) + (setq tab-width 4) + (c-toggle-auto-newline -1) + (c-toggle-hungry-state -1) + (run-hooks 'c-mode-common-hook) + (run-hooks 'vala-mode-hook) + (c-update-modeline)) + +(provide 'vala-mode) + +;;; vala-mode.el ends here |