- Add vala-mode for editing Vala code in Emacs

This commit is contained in:
Michel Alexandre Salim 2008-07-15 16:41:39 +00:00
parent d96260fd24
commit 33b29c7774
3 changed files with 444 additions and 1 deletions

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vala-init.el Normal file
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;; Register vala-mode
(autoload 'vala-mode "vala-mode" "Major mode for editing Vala code." t)
(add-to-list 'auto-mode-alist '("\\.vala$" . vala-mode))
(add-to-list 'auto-mode-alist '("\\.vapi$" . vala-mode))

395
vala-mode.el Normal file
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;;; 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"))
;; 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"))
;; We need to remove Java's package keyword
(c-lang-defconst c-ref-list-kwds
vala '("using" "namespace"))
;; 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

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@ -1,6 +1,16 @@
%if %($(pkg-config emacs) ; echo $?)
%define emacs_version 22.2
%define emacs_lispdir %{_datadir}/emacs/site-lisp
%define emacs_startdir %{_datadir}/emacs/site-lisp/site-start.d
%else
%define emacs_version %(pkg-config emacs --modversion)
%define emacs_lispdir %(pkg-config emacs --variable sitepkglispdir)
%define emacs_startdir %(pkg-config emacs --variable sitestartdir)
%endif
Name: vala Name: vala
Version: 0.3.4 Version: 0.3.4
Release: 1%{?dist} Release: 2%{?dist}
Summary: A modern programming language for GNOME Summary: A modern programming language for GNOME
Group: Development/Languages Group: Development/Languages
@ -8,9 +18,12 @@ Group: Development/Languages
License: LGPLv2+ and BSD License: LGPLv2+ and BSD
URL: http://live.gnome.org/Vala URL: http://live.gnome.org/Vala
Source0: http://download.gnome.org/sources/vala/0.3/vala-%{version}.tar.bz2 Source0: http://download.gnome.org/sources/vala/0.3/vala-%{version}.tar.bz2
Source1: vala-mode.el
Source2: vala-init.el
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
BuildRequires: gtk2-devel flex bison devhelp BuildRequires: gtk2-devel flex bison devhelp
BuildRequires: emacs emacs-el
Requires: gtk2-devel Requires: gtk2-devel
%description %description
@ -44,6 +57,7 @@ applications and libraries written in C.
This package contains development files for %{name}. This is not necessary for This package contains development files for %{name}. This is not necessary for
using the %{name} compiler. using the %{name} compiler.
%package tools %package tools
Summary: Tools for creating projects and bindings for %{name} Summary: Tools for creating projects and bindings for %{name}
Group: Development/Languages Group: Development/Languages
@ -62,6 +76,7 @@ applications and libraries written in C.
This package contains tools to generate Vala projects, as well as API bindings This package contains tools to generate Vala projects, as well as API bindings
from existing C libraries, allowing access from Vala programs. from existing C libraries, allowing access from Vala programs.
%package doc %package doc
Summary: Documentation for %{name} Summary: Documentation for %{name}
Group: Documentation Group: Documentation
@ -81,6 +96,17 @@ applications and libraries written in C.
This package contains documentation in a devhelp HTML book. This package contains documentation in a devhelp HTML book.
%package -n emacs-vala
Summary: Vala mode for Emacs
Group: Applications/Editors
License: GPLv2+
Requires: emacs(bin) >= %{emacs_version}
%description -n emacs-vala
An Emacs mode for editing Vala source code.
%prep %prep
%setup -q %setup -q
@ -91,6 +117,9 @@ This package contains documentation in a devhelp HTML book.
sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
make %{?_smp_mflags} make %{?_smp_mflags}
# Compile emacs module
mkdir emacs-vala && cd emacs-vala && cp -p %{SOURCE1} .
emacs -batch -f batch-byte-compile vala-mode.el
%install %install
@ -98,6 +127,12 @@ rm -rf $RPM_BUILD_ROOT
make install DESTDIR=$RPM_BUILD_ROOT make install DESTDIR=$RPM_BUILD_ROOT
rm $RPM_BUILD_ROOT%{_libdir}/libvala.la rm $RPM_BUILD_ROOT%{_libdir}/libvala.la
# Emacs mode files
mkdir -p $RPM_BUILD_ROOT%{emacs_lispdir}
mkdir -p $RPM_BUILD_ROOT%{emacs_startdir}
cp -p emacs-vala/*.el* $RPM_BUILD_ROOT%{emacs_lispdir}
cp -p %{SOURCE2} $RPM_BUILD_ROOT%{emacs_startdir}
%clean %clean
rm -rf $RPM_BUILD_ROOT rm -rf $RPM_BUILD_ROOT
@ -131,9 +166,17 @@ rm -rf $RPM_BUILD_ROOT
%defattr(-,root,root,-) %defattr(-,root,root,-)
%{_datadir}/devhelp/books/vala %{_datadir}/devhelp/books/vala
%files -n emacs-vala
%defattr(-,root,root,-)
%{emacs_lispdir}/*
%{emacs_startdir}/*
%changelog %changelog
* Tue Jul 15 2008 Michel Alexandre Salim <salimma@fedoraproject.org> - 0.3.4-2
- Add vala-mode for editing Vala code in Emacs
* Tue Jul 1 2008 Lennart Poettering <lpoetter@redhat.com> - 0.3.4-1 * Tue Jul 1 2008 Lennart Poettering <lpoetter@redhat.com> - 0.3.4-1
- Update to 0.3.4 - Update to 0.3.4