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- - - - - +;;; php-mode.el --- major mode for editing PHP code + +;; Copyright (C) 1999, 2000, 2001, 2003, 2004 Turadg Aleahmad +;; 2008 Aaron S. Hawley + +;; Maintainer: Aaron S. Hawley +;; Author: Turadg Aleahmad, 1999-2004 +;; Keywords: php languages oop +;; Created: 1999-05-17 +;; Modified: 2008-11-04 +;; X-URL: http://php-mode.sourceforge.net/ + +(defconst php-mode-version-number "1.5.0" + "PHP Mode version number.") + +;;; License + +;; This file 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 3 +;; of the License, or (at your option) any later version. + +;; This file 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 file; if not, write to the Free Software +;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +;; 02110-1301, USA. + +;;; Usage + +;; Put this file in your Emacs lisp path (eg. site-lisp) and add to +;; your .emacs file: +;; +;; (require 'php-mode) + +;; To use abbrev-mode, add lines like this: +;; (add-hook 'php-mode-hook +;; '(lambda () (define-abbrev php-mode-abbrev-table "ex" "extends"))) + +;; To make php-mode compatible with html-mode, see http://php-mode.sf.net + +;; Many options available under Help:Customize +;; Options specific to php-mode are in +;; Programming/Languages/Php +;; Since it inherits much functionality from c-mode, look there too +;; Programming/Languages/C + +;;; Commentary: + +;; PHP mode is a major mode for editing PHP 3 and 4 source code. It's +;; an extension of C mode; thus it inherits all C mode's navigation +;; functionality. But it colors according to the PHP grammar and indents +;; according to the PEAR coding guidelines. It also includes a couple +;; handy IDE-type features such as documentation search and a source +;; and class browser. + +;;; Contributors: (in chronological order) + +;; Juanjo, Torsten Martinsen, Vinai Kopp, Sean Champ, Doug Marcey, +;; Kevin Blake, Rex McMaster, Mathias Meyer, Boris Folgmann, Roland +;; Rosenfeld, Fred Yankowski, Craig Andrews, John Keller, Ryan +;; Sammartino, ppercot, Valentin Funk, Stig Bakken, Gregory Stark, +;; Chris Morris, Nils Rennebarth, Gerrit Riessen, Eric Mc Sween, +;; Ville Skytta, Giacomo Tesio, Lennart Borgman, Stefan Monnier, +;; Aaron S. Hawley, Ian Eure, Bill Lovett, Dias Badekas, David House + +;;; Changelog: + +;; 1.5 +;; Support function keywords like public, private and the ampersand +;; character for function-based commands. Support abstract, final, +;; static, public, private and protected keywords in Imenu. Fix +;; reversed order of Imenu entries. Use font-lock-preprocessor-face +;; for PHP and ASP tags. Make php-mode-modified a literal value +;; rather than a computed string. Add date and time constants of +;; PHP. (Dias Badekas) Fix false syntax highlighting of keywords +;; because of underscore character. Change HTML indentation warning +;; to match only HTML at the beginning of the line. Fix +;; byte-compiler warnings. Clean-up whitespace and audited style +;; consistency of code. Remove conditional bindings and XEmacs code +;; that likely does nothing. +;; +;; 1.4 +;; Updated GNU GPL to version 3. Ported to Emacs 22 (CC mode +;; 5.31). M-x php-mode-version shows version. Provide end-of-defun +;; beginning-of-defun functionality. Support add-log library. +;; Fix __CLASS__ constant (Ian Eure). Allow imenu to see visibility +;; declarations -- "private", "public", "protected". (Bill Lovett) +;; +;; 1.3 +;; Changed the definition of # using a tip from Stefan +;; Monnier to correct highlighting and indentation. (Lennart Borgman) +;; Changed the highlighting of the HTML part. (Lennart Borgman) +;; +;; See the ChangeLog file included with the source package. + + +;;; Code: + +(require 'speedbar) +(require 'font-lock) +(require 'cc-mode) +(require 'cc-langs) +(require 'custom) +(require 'etags) +(eval-when-compile + (require 'regexp-opt)) + +;; Local variables +(defgroup php nil + "Major mode `php-mode' for editing PHP code." + :prefix "php-" + :group 'languages) + +(defcustom php-default-face 'default + "Default face in `php-mode' buffers." + :type 'face + :group 'php) + +(defcustom php-speedbar-config t + "When set to true automatically configures Speedbar to observe PHP files. +Ignores php-file patterns option; fixed to expression \"\\.\\(inc\\|php[s34]?\\)\"" + :type 'boolean + :set (lambda (sym val) + (set-default sym val) + (if (and val (boundp 'speedbar)) + (speedbar-add-supported-extension + "\\.\\(inc\\|php[s34]?\\|phtml\\)"))) + :group 'php) + +(defcustom php-mode-speedbar-open nil + "Normally `php-mode' starts with the speedbar closed. +Turning this on will open it whenever `php-mode' is loaded." + :type 'boolean + :set (lambda (sym val) + (set-default sym val) + (when val + (speedbar 1))) + :group 'php) + +(defvar php-imenu-generic-expression + '( + ("Private Methods" + "^\\s-*\\(?:\\(?:abstract\\|final\\)\\s-+\\)?private\\s-+\\(?:static\\s-+\\)?function\\s-+\\(\\(?:\\sw\\|\\s_\\)+\\)\\s-*(" 1) + ("Protected Methods" + "^\\s-*\\(?:\\(?:abstract\\|final\\)\\s-+\\)?protected\\s-+\\(?:static\\s-+\\)?function\\s-+\\(\\(?:\\sw\\|\\s_\\)+\\)\\s-*(" 1) + ("Public Methods" + "^\\s-*\\(?:\\(?:abstract\\|final\\)\\s-+\\)?public\\s-+\\(?:static\\s-+\\)?function\\s-+\\(\\(?:\\sw\\|\\s_\\)+\\)\\s-*(" 1) + ("Classes" + "^\\s-*class\\s-+\\(\\(?:\\sw\\|\\s_\\)+\\)\\s-*" 1) + ("All Functions" + "^\\s-*\\(?:\\(?:abstract\\|final\\|private\\|protected\\|public\\|static\\)\\s-+\\)*function\\s-+\\(\\(?:\\sw\\|\\s_\\)+\\)\\s-*(" 1) + ) + "Imenu generic expression for PHP Mode. See `imenu-generic-expression'." + ) + +(defcustom php-manual-url "http://www.php.net/manual/en/" + "URL at which to find PHP manual. +You can replace \"en\" with your ISO language code." + :type 'string + :group 'php) + +(defcustom php-search-url "http://www.php.net/" + "URL at which to search for documentation on a word." + :type 'string + :group 'php) + +(defcustom php-completion-file "" + "Path to the file which contains the function names known to PHP." + :type 'string + :group 'php) + +(defcustom php-manual-path "" + "Path to the directory which contains the PHP manual." + :type 'string + :group 'php) + +;;;###autoload +(defcustom php-file-patterns '("\\.php[s34]?\\'" "\\.phtml\\'" "\\.inc\\'") + "List of file patterns for which to automatically invoke `php-mode'." + :type '(repeat (regexp :tag "Pattern")) + :set (lambda (sym val) + (set-default sym val) + (let ((php-file-patterns-temp val)) + (while php-file-patterns-temp + (add-to-list 'auto-mode-alist + (cons (car php-file-patterns-temp) 'php-mode)) + (setq php-file-patterns-temp (cdr php-file-patterns-temp))))) + :group 'php) + +(defcustom php-mode-hook nil + "List of functions to be executed on entry to `php-mode'." + :type 'hook + :group 'php) + +(defcustom php-mode-pear-hook nil + "Hook called when a PHP PEAR file is opened with `php-mode'." + :type 'hook + :group 'php) + +(defcustom php-mode-force-pear nil + "Normally PEAR coding rules are enforced only when the filename contains \"PEAR.\" +Turning this on will force PEAR rules on all PHP files." + :type 'boolean + :group 'php) + +(defconst php-mode-modified "2008-11-04" + "PHP Mode build date.") + +(defun php-mode-version () + "Display string describing the version of PHP mode." + (interactive) + (message "PHP mode %s of %s" + php-mode-version-number php-mode-modified)) + +(defconst php-beginning-of-defun-regexp + "^\\s-*\\(?:\\(?:abstract\\|final\\|private\\|protected\\|public\\|static\\)\\s-+\\)*function\\s-+&?\\(\\(?:\\sw\\|\\s_\\)+\\)\\s-*(" + "Regular expression for a PHP function.") + +(defun php-beginning-of-defun (&optional arg) + "Move to the beginning of the ARGth PHP function from point. +Implements PHP version of `beginning-of-defun-function'." + (interactive "p") + (let ((arg (or arg 1))) + (while (> arg 0) + (re-search-backward php-beginning-of-defun-regexp + nil 'noerror) + (setq arg (1- arg))) + (while (< arg 0) + (end-of-line 1) + (let ((opoint (point))) + (beginning-of-defun 1) + (forward-list 2) + (forward-line 1) + (if (eq opoint (point)) + (re-search-forward php-beginning-of-defun-regexp + nil 'noerror)) + (setq arg (1+ arg)))))) + +(defun php-end-of-defun (&optional arg) + "Move the end of the ARGth PHP function from point. +Implements PHP befsion of `end-of-defun-function' + +See `php-beginning-of-defun'." + (interactive "p") + (php-beginning-of-defun (- (or arg 1)))) + + +(defvar php-warned-bad-indent nil) +(make-variable-buffer-local 'php-warned-bad-indent) + +;; Do it but tell it is not good if html tags in buffer. +(defun php-check-html-for-indentation () + (let ((html-tag-re "^\\s-*") + (here (point))) + (if (not (or (re-search-forward html-tag-re (line-end-position) t) + (re-search-backward html-tag-re (line-beginning-position) t))) + t + (goto-char here) + (setq php-warned-bad-indent t) + (lwarn 'php-indent :warning + "\n\t%s\n\t%s\n\t%s\n" + "Indentation fails badly with mixed HTML and PHP." + "Look for an Emacs Lisp library that supports \"multiple" + "major modes\" like mumamo, mmm-mode or multi-mode.") + nil))) + +(defun php-cautious-indent-region (start end &optional quiet) + (if (or php-warned-bad-indent + (php-check-html-for-indentation)) + (funcall 'c-indent-region start end quiet))) + +(defun php-cautious-indent-line () + (if (or php-warned-bad-indent + (php-check-html-for-indentation)) + (funcall 'c-indent-line))) + +(defconst php-tags '("" "[^_]?") + '(1 font-lock-constant-face)) + + ;; Fontify keywords + (cons + (concat "[^_$]?\\<\\(" php-keywords "\\)\\>[^_]?") + '(1 font-lock-keyword-face)) + + ;; Fontify keywords and targets, and case default tags. + (list "\\<\\(break\\|case\\|continue\\)\\>\\s-+\\(-?\\sw+\\)?" + '(1 font-lock-keyword-face) '(2 font-lock-constant-face t t)) + ;; This must come after the one for keywords and targets. + '(":" ("^\\s-+\\(\\sw+\\)\\s-+\\s-+$" + (beginning-of-line) (end-of-line) + (1 font-lock-constant-face))) + + ;; treat 'print' as keyword only when not used like a function name + '("\\" . font-lock-keyword-face) + + ;; Fontify PHP tag + (cons php-tags-key font-lock-preprocessor-face) + + ;; Fontify ASP-style tag + '("<\\%\\(=\\)?" . font-lock-preprocessor-face) + '("\\%>" . font-lock-preprocessor-face) + + ) + "Subdued level highlighting for PHP mode.") + +(defconst php-font-lock-keywords-2 + (append + php-font-lock-keywords-1 + (list + + ;; class declaration + '("\\<\\(class\\|interface\\)\\s-+\\(\\sw+\\)?" + (1 font-lock-keyword-face) (2 font-lock-type-face nil t)) + ;; handle several words specially, to include following word, + ;; thereby excluding it from unknown-symbol checks later + ;; FIX to handle implementing multiple + ;; currently breaks on "class Foo implements Bar, Baz" + '("\\<\\(new\\|extends\\|implements\\)\\s-+\\$?\\(\\sw+\\)" + (1 font-lock-keyword-face) (2 font-lock-type-face)) + + ;; function declaration + '("\\<\\(function\\)\\s-+&?\\(\\sw+\\)\\s-*(" + (1 font-lock-keyword-face) + (2 font-lock-function-name-face nil t)) + + ;; class hierarchy + '("\\<\\(self\\|parent\\)\\>" (1 font-lock-constant-face nil nil)) + + ;; method and variable features + '("\\<\\(private\\|protected\\|public\\)\\s-+\\$?\\sw+" + (1 font-lock-keyword-face)) + + ;; method features + '("^\\s-*\\(abstract\\|static\\|final\\)\\s-+\\$?\\sw+" + (1 font-lock-keyword-face)) + + ;; variable features + '("^\\s-*\\(static\\|const\\)\\s-+\\$?\\sw+" + (1 font-lock-keyword-face)) + )) + "Medium level highlighting for PHP mode.") + +(defconst php-font-lock-keywords-3 + (append + php-font-lock-keywords-2 + (list + + ;; or for HTML + ;;'(" ]*>" . font-lock-constant-face) + ;;'("]*" . font-lock-constant-face) + ;;'(" + '("<[^>]*\\(>\\)" (1 font-lock-constant-face)) + + ;; HTML tags + '("\\(<[a-z]+\\)[[:space:]]+\\([a-z:]+=\\)[^>]*?" (1 font-lock-constant-face) (2 font-lock-constant-face) ) + '("\"[[:space:]]+\\([a-z:]+=\\)" (1 font-lock-constant-face)) + + ;; HTML entities + ;;'("&\\w+;" . font-lock-variable-name-face) + + ;; warn about '$' immediately after -> + '("\\$\\sw+->\\s-*\\(\\$\\)\\(\\sw+\\)" + (1 font-lock-warning-face) (2 php-default-face)) + + ;; warn about $word.word -- it could be a valid concatenation, + ;; but without any spaces we'll assume $word->word was meant. + '("\\$\\sw+\\(\\.\\)\\sw" + 1 font-lock-warning-face) + + ;; Warn about ==> instead of => + '("==+>" . font-lock-warning-face) + + ;; exclude casts from bare-word treatment (may contain spaces) + `(,(concat "(\\s-*\\(" php-types "\\)\\s-*)") + 1 font-lock-type-face) + + ;; PHP5: function declarations may contain classes as parameters type + `(,(concat "[(,]\\s-*\\(\\sw+\\)\\s-+&?\\$\\sw+\\>") + 1 font-lock-type-face) + + ;; Fontify variables and function calls + '("\\$\\(this\\|that\\)\\W" (1 font-lock-constant-face nil nil)) + `(,(concat "\\$\\(" php-superglobals "\\)\\W") + (1 font-lock-constant-face nil nil)) ;; $_GET & co + '("\\$\\(\\sw+\\)" (1 font-lock-variable-name-face)) ;; $variable + '("->\\(\\sw+\\)" (1 font-lock-variable-name-face t t)) ;; ->variable + '("->\\(\\sw+\\)\\s-*(" . (1 php-default-face t t)) ;; ->function_call + '("\\(\\sw+\\)::\\sw+\\s-*(?" . (1 font-lock-type-face)) ;; class::member + '("::\\(\\sw+\\>[^(]\\)" . (1 php-default-face)) ;; class::constant + '("\\<\\sw+\\s-*[[(]" . php-default-face) ;; word( or word[ + '("\\<[0-9]+" . php-default-face) ;; number (also matches word) + + ;; Warn on any words not already fontified + '("\\<\\sw+\\>" . font-lock-warning-face) + + )) + "Gauchy level highlighting for PHP mode.") + +(provide 'php-mode) + +;;; php-mode.el ends here