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php-mode.el
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php-mode.el
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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
;; 2011, 2012, 2013 Eric James Michael Ritz
;;; Author: Eric James Michael Ritz
;;; URL: https://github.com/ejmr/php-mode
;;; Version: 1.12
(defconst php-mode-version-number "1.13"
"PHP Mode version number.")
(defconst php-mode-modified "2013-12-03"
"PHP Mode build date.")
;;; 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 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.
;;; Code:
(require 'add-log)
(require 'font-lock)
(require 'cc-mode)
(require 'cc-langs)
(require 'custom)
(require 'flymake)
(require 'etags)
(require 'speedbar)
(eval-when-compile
(unless (require 'cl-lib nil t)
(require 'cl))
(require 'regexp-opt)
(defvar c-vsemi-status-unknown-p)
(defvar syntax-propertize-via-font-lock))
;;; Emacs 24.3 obsoletes flet in favor of cl-flet. So if we are not
;;; using that version then we revert to using flet.
(unless (fboundp 'cl-flet)
(defalias 'cl-flet 'flet))
;; Local variables
;;;###autoload
(defgroup php nil
"Major mode `php-mode' for editing PHP code."
:prefix "php-"
:group 'languages
:link '(url-link :tag "Official Site" "https://github.com/ejmr/php-mode")
:link '(url-link :tag "PHP Mode Wiki" "https://github.com/ejmr/php-mode/wiki"))
(defcustom php-executable "/usr/bin/php"
"The location of the PHP executable."
:type 'string
:group 'php)
(defcustom php-default-face 'default
"Default face in `php-mode' buffers."
:type 'face
:group 'php)
(defcustom php-function-call-face 'default
"Default face for function calls 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[s345]?\\)\""
:type 'boolean
:set (lambda (sym val)
(set-default sym val)
(when val
(speedbar-add-supported-extension
"\\.\\(inc\\|php[s345]?\\|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)
(defcustom php-template-compatibility t
"Should detect presence of html tags."
:type 'boolean
:group 'php)
;;;###autoload
(defcustom php-extra-constants '()
"A list of additional strings to treat as PHP constants."
:type 'list
:group 'php)
(defun php-create-regexp-for-method (visibility)
"Make a regular expression for methods with the given VISIBILITY.
VISIBILITY must be a string that names the visibility for a PHP
method, e.g. 'public'. The parameter VISIBILITY can itself also
be a regular expression.
The regular expression this function returns will check for other
keywords that can appear in method signatures, e.g. 'final' and
'static'. The regular expression will have one capture group
which will be the name of the method."
(concat
;; Initial space with possible 'abstract' or 'final' keywords
"^\\s-*\\(?:\\(?:abstract\\|final\\)\\s-+\\)?"
;; The function visilibity
visibility
;; Is it static?
"\\s-+\\(?:static\\s-+\\)?"
;; Make sure 'function' comes next with some space after
"function\\s-+"
;; Capture the name as the first group and the regexp and make sure
;; by the end we see the opening parenthesis for the parameters.
"\\(\\(?:\\sw\\|\\s_\\)+\\)\\s-*("))
(defun php-create-regexp-for-classlike (type)
"Accepts a `type' of a 'classlike' object as a string, such as
'class' or 'interface', and returns a regexp as a string which
can be used to match against definitions for that classlike."
(concat
;; First see if 'abstract' or 'final' appear, although really these
;; are not valid for all values of `type' that the function
;; accepts.
"^\\s-*\\(?:\\(?:abstract\\|final\\)\\s-+\\)?"
;; The classlike type
type
;; Its name, which is the first captured group in the regexp. We
;; allow backslashes in the name to handle namespaces, but again
;; this is not necessarily correct for all values of `type'.
"\\s-+\\(\\(?:\\sw\\|\\\\\\|\\s_\\)+\\)"))
(defvar php-imenu-generic-expression
`(("Namespaces"
,(php-create-regexp-for-classlike "namespace") 1)
("Classes"
,(php-create-regexp-for-classlike "class") 1)
("Interfaces"
,(php-create-regexp-for-classlike "interface") 1)
("Traits"
,(php-create-regexp-for-classlike "trait") 1)
("All Methods"
,(php-create-regexp-for-method "\\(?:\\sw\\|\\s_\\)+") 1)
("Private Methods"
,(php-create-regexp-for-method "private") 1)
("Protected Methods"
,(php-create-regexp-for-method "protected") 1)
("Public Methods"
,(php-create-regexp-for-method "public") 1)
("Anonymous Functions"
"\\<\\(\\(?:\\sw\\|\\s_\\)+\\)\\s-*=\\s-*function\\s-*(" 1)
("Named Functions"
"^\\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
(add-to-list 'interpreter-mode-alist (cons "php" 'php-mode))
(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-drupal-hook nil
"Hook called when a Drupal file is opened with `php-mode'."
:type 'hook
:group 'php)
(defcustom php-mode-wordpress-hook nil
"Hook called when a WordPress file is opened with `php-mode'."
:type 'hook
:group 'php)
(defcustom php-mode-symfony2-hook nil
"Hook called when a Symfony2 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)
(defcustom php-mode-warn-if-mumamo-off t
"Warn once per buffer if you try to indent a buffer without
mumamo-mode turned on. Detects if there are any HTML tags in the
buffer before warning, but this is is not very smart; e.g. if you
have any tags inside a PHP string, it will be fooled."
:type '(choice (const :tag "Warg" t) (const "Don't warn" nil))
:group 'php)
(defcustom php-mode-coding-style 'pear
"Select default coding style to use with php-mode.
This variable can take one of the following symbol values:
`PEAR' - use coding styles preferred for PEAR code and modules.
`Drupal' - use coding styles preferred for working with Drupal projects.
`WordPress' - use coding styles preferred for working with WordPress projects.
`Symfony2' - use coding styles preferred for working with Symfony2 projects."
:type '(choice (const :tag "PEAR" pear)
(const :tag "Drupal" drupal)
(const :tag "WordPress" wordpress)
(const :tag "Symfony2" symfony2))
:group 'php
:set 'php-mode-custom-coding-style-set
:initialize 'custom-initialize-default)
(defun php-mode-custom-coding-style-set (sym value)
(when (eq major-mode 'php-mode)
(set sym value)
(set-default sym value)
(cond ((eq value 'pear)
(php-enable-pear-coding-style))
((eq value 'drupal)
(php-enable-drupal-coding-style))
((eq value 'wordpress)
(php-enable-wordpress-coding-style))
((eq value 'symfony2)
(php-enable-symfony2-coding-style)))))
(c-add-style
"pear"
'((c-basic-offset . 4)
(c-offsets-alist . ((block-open . -)
(block-close . 0)
(topmost-intro-cont . (first c-lineup-cascaded-calls
php-lineup-arglist-intro))
(brace-list-intro . +)
(brace-list-entry . c-lineup-cascaded-calls)
(arglist-close . php-lineup-arglist-close)
(arglist-intro . php-lineup-arglist-intro)
(knr-argdecl . [0])
(arglist-cont-nonempty . c-lineup-cascaded-calls)
(statement-cont . (first c-lineup-cascaded-calls +))))))
(defun php-enable-pear-coding-style ()
"Sets up php-mode to use the coding styles preferred for PEAR
code and modules."
(interactive)
(setq tab-width 4
indent-tabs-mode nil)
(c-set-style "pear"))
(c-add-style
"drupal"
'((c-basic-offset . 2)
(c-offsets-alist . ((case-label . +)
(topmost-intro-cont . (first c-lineup-cascaded-calls
php-lineup-arglist-intro))
(brace-list-intro . +)
(brace-list-entry . c-lineup-cascaded-calls)
(arglist-close . php-lineup-arglist-close)
(arglist-intro . php-lineup-arglist-intro)
(arglist-cont-nonempty . (first c-lineup-math c-lineup-cascaded-calls))
(knr-argdecl . [0])
(statement-cont . (first c-lineup-cascaded-calls +))))))
(defun php-enable-drupal-coding-style ()
"Makes php-mode use coding styles that are preferable for
working with Drupal."
(interactive)
(setq tab-width 2
indent-tabs-mode nil
fill-column 78
show-trailing-whitespace t)
(add-hook 'before-save-hook 'delete-trailing-whitespace)
(c-set-style "drupal"))
(c-add-style
"wordpress"
'((c-basic-offset . 4)
(c-offsets-alist . ((arglist-cont . 0)
(arglist-intro . php-lineup-arglist-intro)
(arglist-close . php-lineup-arglist-close)
(topmost-intro-cont . (first c-lineup-cascaded-calls
php-lineup-arglist-intro))
(brace-list-intro . +)
(brace-list-entry . c-lineup-cascaded-calls)
(case-label . 2)
(arglist-close . 0)
(defun-close . 0)
(defun-block-intro . +)
(knr-argdecl . [0])
(arglist-cont-nonempty . c-lineup-cascaded-calls)
(statement-cont . (first c-lineup-cascaded-calls +))))))
(defun php-enable-wordpress-coding-style ()
"Makes php-mode use coding styles that are preferable for
working with Wordpress."
(interactive)
(setq indent-tabs-mode t
fill-column 78
tab-width 4
c-indent-comments-syntactically-p t)
(c-set-style "wordpress"))
(c-add-style
"symfony2"
'((c-basic-offset . 4)
(c-offsets-alist . ((arglist-cont . php-lineup-arglist)
(arglist-intro . php-lineup-arglist-intro)
(arglist-close . php-lineup-arglist-close)
(topmost-intro-cont . (first c-lineup-cascaded-calls
php-lineup-arglist-intro))
(brace-list-intro . +)
(brace-list-entry . c-lineup-cascaded-calls)
(case-label . 4)
(statement-case-intro . 4)
(defun-close . 0)
(defun-block-intro . +)
(knr-argdecl . [0])
(arglist-cont-nonempty . c-lineup-cascaded-calls)
(statement-cont . php-lineup-hanging-semicolon)))))
(defun php-enable-symfony2-coding-style ()
"Makes php-mode use coding styles that are preferable for
working with Symfony2."
(interactive)
(setq indent-tabs-mode nil
fill-column 78
tab-width 4
c-indent-comments-syntactically-p t
require-final-newline t)
(c-set-style "symfony2"))
(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)
;; Do it but tell it is not good if html tags in buffer.
(defun php-check-html-for-indentation ()
(let ((html-tag-re "^\\s-*</?\\sw+.*?>")
(here (point)))
(goto-char (line-beginning-position))
(if (or (when (boundp 'mumamo-multi-major-mode) mumamo-multi-major-mode)
;; Fix-me: no idea how to check for mmm or multi-mode
(save-match-data
(not (or (re-search-forward html-tag-re (line-end-position) t)
(re-search-backward html-tag-re (line-beginning-position) t)))))
(progn
(goto-char here)
t)
(goto-char here)
(setq php-warned-bad-indent t)
(let* ((known-multi-libs '(("mumamo" mumamo (lambda () (nxhtml-mumamo)))
("mmm-mode" mmm-mode (lambda () (mmm-mode 1)))
("multi-mode" multi-mode (lambda () (multi-mode 1)))))
(known-names (mapcar (lambda (lib) (car lib)) known-multi-libs))
(available-multi-libs (delq nil
(mapcar
(lambda (lib)
(when (locate-library (car lib)) lib))
known-multi-libs)))
(available-names (mapcar (lambda (lib) (car lib)) available-multi-libs))
(base-msg
(concat
"Indentation fails badly with mixed HTML/PHP in the HTML part in
plain `php-mode'. To get indentation to work you must use an
Emacs library that supports 'multiple major modes' in a buffer.
Parts of the buffer will then be in `php-mode' and parts in for
example `html-mode'. Known such libraries are:\n\t"
(mapconcat 'identity known-names ", ")
"\n"
(if available-multi-libs
(concat
"You have these available in your `load-path':\n\t"
(mapconcat 'identity available-names ", ")
"\n\n"
"Do you want to turn any of those on? ")
"You do not have any of those in your `load-path'.")))
(is-using-multi
(catch 'is-using
(dolist (lib available-multi-libs)
(when (and (boundp (cadr lib))
(symbol-value (cadr lib)))
(throw 'is-using t))))))
(unless is-using-multi
(if available-multi-libs
(if (not (y-or-n-p base-msg))
(message "Did not do indentation, but you can try again now if you want")
(let* ((name
(if (= 1 (length available-multi-libs))
(car available-names)
;; Minibuffer window is more than one line, fix that first:
(message "")
(completing-read "Choose multiple major mode support library: "
available-names nil t
(car available-names)
'(available-names . 1)
)))
(mode (when name
(caddr (assoc name available-multi-libs)))))
(when mode
;; Minibuffer window is more than one line, fix that first:
(message "")
(load name)
(funcall mode))))
(lwarn 'php-indent :warning base-msg)))
nil))))
(defun php-cautious-indent-region (start end &optional quiet)
(if (or (not php-mode-warn-if-mumamo-off)
php-warned-bad-indent
(php-check-html-for-indentation))
(funcall 'c-indent-region start end quiet)))
(defun php-cautious-indent-line ()
(if (or (not php-mode-warn-if-mumamo-off)
php-warned-bad-indent
(php-check-html-for-indentation))
(let ((here (point))
doit)
(move-beginning-of-line nil)
;; Don't indent heredoc end mark
(save-match-data
(unless (looking-at "[a-zA-Z0-9_]+;\n")
(setq doit t)))
(goto-char here)
(when doit
(funcall 'c-indent-line)))))
(defconst php-tags '("<?php" "?>" "<?" "<?="))
(defconst php-tags-key (regexp-opt php-tags))
(defconst php-block-stmt-1-kwds '("do" "else" "finally" "try"))
(defconst php-block-stmt-2-kwds
'("for" "if" "while" "switch" "foreach" "elseif" "catch" "catch all"))
(defconst php-block-stmt-1-key
(regexp-opt php-block-stmt-1-kwds))
(defconst php-block-stmt-2-key
(regexp-opt php-block-stmt-2-kwds))
(defconst php-class-decl-kwds '("class" "interface" "trait" "namespace"))
(defconst php-class-key
(concat
"\\(" (regexp-opt php-class-decl-kwds) "\\)\\s-+"
(c-lang-const c-symbol-key c) ;; Class name.
"\\(\\s-+extends\\s-+" (c-lang-const c-symbol-key c) "\\)?" ;; Name of superclass.
"\\(\\s-+implements\\s-+[^{]+{\\)?")) ;; List of any adopted protocols.
(defun php-c-at-vsemi-p (&optional pos)
"Return t on html lines (including php region border), otherwise nil.
POS is a position on the line in question.
This is was done due to the problem reported here:
URL `https://answers.launchpad.net/nxhtml/+question/43320'"
(if (not php-template-compatibility)
nil
(setq pos (or pos (point)))
(let ((here (point))
ret)
(save-match-data
(goto-char pos)
(beginning-of-line)
(setq ret (looking-at
(rx
(or (seq
bol
(0+ space)
"<"
(in "a-z\\?"))
(seq
(0+ not-newline)
(in "a-z\\?")
">"
(0+ space)
eol))))))
(goto-char here)
ret)))
(defun php-c-vsemi-status-unknown-p ()
"See `php-c-at-vsemi-p'."
)
(defun php-lineup-arglist-intro (langelem)
(save-excursion
(goto-char (cdr langelem))
(vector (+ (current-column) c-basic-offset))))
(defun php-lineup-arglist-close (langelem)
(save-excursion
(goto-char (cdr langelem))
(vector (current-column))))
(c-set-offset 'arglist-intro 'php-lineup-arglist-intro)
(c-set-offset 'arglist-close 'php-lineup-arglist-close)
(defun php-lineup-arglist (langelem)
(save-excursion
(beginning-of-line)
(if (looking-at-p "\\s-*->") '+ 0)))
(defun php-lineup-hanging-semicolon (langelem)
(save-excursion
(beginning-of-line)
(if (looking-at-p "\\s-*;\\s-*$") 0 '+)))
;;; We silence all byte-compiler warnings when creating the `syntax'
;;; variable binding in this function. Emacs will normally warn us
;;; that `c-syntactic-context' is unbound. The variable comes from CC
;;; Mode and it is only bound dynamically when calling certain
;;; indentation functions. See the documentation in section "8.1.1
;;; Custom Brace Hanging" of the CC Mode manual for more information,
;;; along with an explanation of why we do not simply bind the
;;; variable to a value in order to appease the compiler warning.
(defun php-unindent-closure ()
(let ((syntax (with-no-warnings (mapcar 'car c-syntactic-context))))
(if (and (member 'arglist-cont-nonempty syntax)
(or
(member 'statement-block-intro syntax)
(member 'brace-list-intro syntax)
(member 'brace-list-close syntax)
(member 'block-close syntax)))
(save-excursion
(let ((count-func (if (fboundp 'cl-count) #'cl-count #'count)))
(beginning-of-line)
(delete-char (* (funcall count-func 'arglist-cont-nonempty syntax)
c-basic-offset)))))))
(defvar php-mode-map
(let ((map (make-sparse-keymap)))
(define-key map [menu-bar php]
(cons "PHP" (make-sparse-keymap "PHP")))
(define-key map [menu-bar php complete-function]
'("Complete function name" . php-complete-function))
(define-key map [menu-bar php browse-manual]
'("Browse manual" . php-browse-manual))
(define-key map [menu-bar php search-documentation]
'("Search documentation" . php-search-documentation))
;; By default PHP mode binds C-M-h to c-mark-function, which it
;; inherits from cc-mode. But there are situations where
;; c-mark-function fails to properly mark a function. For
;; example, if we use c-mark-function within a method definition
;; then the region will expand beyond the method and into the
;; class definition itself.
;;
;; Changing the default to mark-defun provides behavior that users
;; are more likely to expect.
(define-key map (kbd "C-M-h") 'mark-defun)
;; Many packages based on cc-mode provide the 'C-c C-w' binding
;; to toggle Subword Mode. See the page
;;
;; https://www.gnu.org/software/emacs/manual/html_node/ccmode/Subword-Movement.html
;;
;; for more information about Submode Word.
(if (boundp 'subword-mode)
(if subword-mode
(subword-mode nil)
(subword-mode t)))
;; We inherit c-beginning-of-defun and c-end-of-defun from CC Mode
;; but we have two replacement functions specifically for PHP. We
;; remap the commands themselves and not their default
;; key-bindings so that our PHP-specific versions will work even
;; if the user has reconfigured their keys, e.g. if they rebind
;; c-end-of-defun to something other than C-M-e.
(define-key map [remap c-beginning-of-defun] 'php-beginning-of-defun)
(define-key map [remap c-end-of-defun] 'php-end-of-defun)
(define-key map [(control c) (control f)] 'php-search-documentation)
(define-key map [(meta tab)] 'php-complete-function)
(define-key map [(control c) (control m)] 'php-browse-manual)
(define-key map [(control .)] 'php-show-arglist)
(define-key map [(control c) (control r)] 'php-send-region)
;; Use the Emacs standard indentation binding. This may upset c-mode
;; which does not follow this at the moment, but I see no better
;; choice.
(define-key map [tab] 'indent-for-tab-command)
map)
"Keymap for `php-mode'")
(defconst php-heredoc-start-re
"<<<\\(?:\\w+\\|'\\w+'\\)$"
"Regular expression for the start of a PHP heredoc.")
(defun php-heredoc-end-re (heredoc-start)
"Build a regular expression for the end of a heredoc started by
the string HEREDOC-START."
;; Extract just the identifier without <<< and quotes.
(string-match "\\w+" heredoc-start)
(concat "^\\(" (match-string 0 heredoc-start) "\\)\\W"))
(defun php-syntax-propertize-function (start end)
"Apply propertize rules from START to END."
;; (defconst php-syntax-propertize-function
;; (syntax-propertize-rules
;; (php-heredoc-start-re (0 (ignore (php-heredoc-syntax))))))
(goto-char start)
(while (and (< (point) end)
(re-search-forward php-heredoc-start-re end t))
(php-heredoc-syntax)))
(defun php-heredoc-syntax ()
"Mark the boundaries of searched heredoc."
(goto-char (match-beginning 0))
(c-put-char-property (point) 'syntax-table (string-to-syntax "|"))
(if (re-search-forward (php-heredoc-end-re (match-string 0)) nil t)
(goto-char (match-end 1))
;; Did not find the delimiter so go to the end of the buffer.
(goto-char (point-max)))
(c-put-char-property (1- (point)) 'syntax-table (string-to-syntax "|")))
(defun php-syntax-propertize-extend-region (start end)
"Extend the propertize region of START falls inside a heredoc."
(when (re-search-backward php-heredoc-start-re nil t)
(let ((new-start (point)))
(when (and (re-search-forward
(php-heredoc-end-re (match-string 0)) nil t)
(> (point) start))
(cons new-start end)))))
;;;###autoload
(define-derived-mode php-mode c-mode "PHP"
"Major mode for editing PHP code.\n\n\\{php-mode-map}"
(c-add-language 'php-mode 'c-mode)
;; PHP doesn't have C-style macros.
;; HACK: Overwrite this syntax with rules to match <?php and others.
(set (make-local-variable 'c-opt-cpp-start) php-tags-key)
(set (make-local-variable 'c-opt-cpp-prefix) php-tags-key)
(set (make-local-variable 'c-block-stmt-1-key) php-block-stmt-1-key)
(set (make-local-variable 'c-block-stmt-2-key) php-block-stmt-2-key)
;; Specify that cc-mode recognize Javadoc comment style
(set (make-local-variable 'c-doc-comment-style)
'((php-mode . javadoc)))
(set (make-local-variable 'c-class-key) php-class-key)
(make-local-variable 'font-lock-defaults)
(setq font-lock-defaults
'((php-font-lock-keywords-1
php-font-lock-keywords-2
;; Comment-out the next line if the font-coloring is too
;; extreme/ugly for you.
php-font-lock-keywords-3)
nil ; KEYWORDS-ONLY
t ; CASE-FOLD
(("_" . "w")) ; SYNTAX-ALIST
nil)) ; SYNTAX-BEGIN
(modify-syntax-entry ?_ "_" php-mode-syntax-table)
(modify-syntax-entry ?` "\"" php-mode-syntax-table)
(modify-syntax-entry ?\" "\"" php-mode-syntax-table)
(modify-syntax-entry ?# "< b" php-mode-syntax-table)
(modify-syntax-entry ?\n "> b" php-mode-syntax-table)
(set (make-local-variable 'syntax-propertize-via-font-lock)
'(("\\(\"\\)\\(\\\\.\\|[^\"\n\\]\\)*\\(\"\\)" (1 "\"") (3 "\""))
("\\(\'\\)\\(\\\\.\\|[^\'\n\\]\\)*\\(\'\\)" (1 "\"") (3 "\""))))
(when (boundp 'syntax-propertize-function)
(add-to-list (make-local-variable 'syntax-propertize-extend-region-functions)
#'php-syntax-propertize-extend-region)
(set (make-local-variable 'syntax-propertize-function)
#'php-syntax-propertize-function))
(setq font-lock-maximum-decoration t
imenu-generic-expression php-imenu-generic-expression)
;; PHP vars are case-sensitive
(setq case-fold-search t)
;; Do not force newline at end of file. Such newlines can cause
;; trouble if the PHP file is included in another file before calls
;; to header() or cookie().
(set (make-local-variable 'require-final-newline) nil)
(set (make-local-variable 'next-line-add-newlines) nil)
;; PEAR coding standards
(add-hook 'php-mode-pear-hook 'php-enable-pear-coding-style
nil t)
;; ;; Drupal coding standards
(add-hook 'php-mode-drupal-hook 'php-enable-drupal-coding-style
nil t)
;; ;; WordPress coding standards
(add-hook 'php-mode-wordpress-hook 'php-enable-wordpress-coding-style
nil t)
;; ;; Symfony2 coding standards
(add-hook 'php-mode-symfony2-hook 'php-enable-symfony2-coding-style
nil t)
(cond ((eq php-mode-coding-style 'pear)
(php-enable-pear-coding-style)
(run-hooks 'php-mode-pear-hook))
((eq php-mode-coding-style 'drupal)
(php-enable-drupal-coding-style)
(run-hooks 'php-mode-drupal-hook))
((eq php-mode-coding-style 'wordpress)
(php-enable-wordpress-coding-style)
(run-hooks 'php-mode-wordpress-hook))
((eq php-mode-coding-style 'symfony2)
(php-enable-symfony2-coding-style)
(run-hooks 'php-mode-symfony2-hook)))
(if (or php-mode-force-pear
(and (stringp buffer-file-name)
(string-match "PEAR\\|pear"
(buffer-file-name))
(string-match "\\.php$" (buffer-file-name))))
(run-hooks 'php-mode-pear-hook))
(setq indent-line-function 'php-cautious-indent-line)
(setq indent-region-function 'php-cautious-indent-region)
(add-hook 'c-special-indent-hook 'php-unindent-closure)
(setq c-at-vsemi-p-fn 'php-c-at-vsemi-p)
(setq c-vsemi-status-unknown-p 'php-c-vsemi-status-unknown-p)
(set (make-local-variable 'syntax-begin-function)
'c-beginning-of-syntax)
;; We map the php-{beginning,end}-of-defun functions so that they
;; replace the similar commands that we inherit from CC Mode.
;; Because of our remapping we may not actually need to keep the
;; following two local variables, but we keep them for now until we
;; are completely sure their removal will not break any current
;; behavior or backwards compatibility.
(set (make-local-variable 'beginning-of-defun-function)
'php-beginning-of-defun)
(set (make-local-variable 'end-of-defun-function)
'php-end-of-defun)
(set (make-local-variable 'open-paren-in-column-0-is-defun-start)
nil)
(set (make-local-variable 'defun-prompt-regexp)
"^\\s-*function\\s-+&?\\s-*\\(\\(\\sw\\|\\s_\\)+\\)\\s-*")
(set (make-local-variable 'add-log-current-defun-header-regexp)
php-beginning-of-defun-regexp))
;; Define function name completion function
(defvar php-completion-table nil
"Obarray of tag names defined in current tags table and functions known to PHP.")
(defun php-complete-function ()
"Perform function completion on the text around point.
Completes to the set of names listed in the current tags table
and the standard php functions.
The string to complete is chosen in the same way as the default
for \\[find-tag] (which see)."
(interactive)
(let ((pattern (php-get-pattern))
beg
completion
(php-functions (php-completion-table)))
(if (not pattern) (message "Nothing to complete")
(if (not (search-backward pattern nil t))
(message "Can't complete here")
(setq beg (point))
(forward-char (length pattern))
(setq completion (try-completion pattern php-functions nil))
(cond ((eq completion t))
((null completion)
(message "Can't find completion for \"%s\"" pattern)
(ding))
((not (string= pattern completion))
(delete-region beg (point))
(insert completion))
(t
(message "Making completion list...")
(with-output-to-temp-buffer "*Completions*"
(display-completion-list
(all-completions pattern php-functions)))
(message "Making completion list...%s" "done")))))))
(defun php-completion-table ()
"Build variable `php-completion-table' on demand.
The table includes the PHP functions and the tags from the
current `tags-file-name'."
(or (and tags-file-name
(save-excursion (tags-verify-table tags-file-name))
php-completion-table)
(let ((tags-table
(when tags-file-name
(with-current-buffer (get-file-buffer tags-file-name)
(etags-tags-completion-table))))
(php-table
(cond ((and (not (string= "" php-completion-file))
(file-readable-p php-completion-file))
(php-build-table-from-file php-completion-file))
(php-manual-path
(php-build-table-from-path php-manual-path))
(t nil))))
(unless (or php-table tags-table)
(error
(concat "No TAGS file active nor are "
"`php-completion-file' or `php-manual-path' set")))
(when tags-table
;; Combine the tables.
(mapatoms (lambda (sym) (intern (symbol-name sym) php-table))
tags-table))
(setq php-completion-table php-table))))
(defun php-build-table-from-file (filename)
(let ((table (make-vector 1022 0))
(buf (find-file-noselect filename)))
(with-current-buffer buf
(goto-char (point-min))
(while (re-search-forward
"^\\([-a-zA-Z0-9_.]+\\)\n"
nil t)
(intern (buffer-substring (match-beginning 1) (match-end 1))
table)))
(kill-buffer buf)
table))
(defun php-build-table-from-path (path)
(let ((table (make-vector 1022 0))
(files (directory-files
path
nil
"^function\\..+\\.html$")))
(mapc (lambda (file)
(string-match "\\.\\([-a-zA-Z_0-9]+\\)\\.html$" file)
(intern
(replace-regexp-in-string
"-" "_" (substring file (match-beginning 1) (match-end 1)) t)
table))
files)
table))
;; Find the pattern we want to complete
;; find-tag-default from GNU Emacs etags.el
(defun php-get-pattern ()
(save-excursion
(while (looking-at "\\sw\\|\\s_")
(forward-char 1))
(if (or (re-search-backward "\\sw\\|\\s_"
(save-excursion (beginning-of-line) (point))
t)
(re-search-forward "\\(\\sw\\|\\s_\\)+"
(save-excursion (end-of-line) (point))
t))
(progn (goto-char (match-end 0))
(buffer-substring-no-properties
(point)
(progn (forward-sexp -1)
(while (looking-at "\\s'")
(forward-char 1))
(point))))
nil)))
(defun php-show-arglist ()
(interactive)
(let* ((tagname (php-get-pattern))
(buf (find-tag-noselect tagname nil nil))
arglist)
(with-current-buffer buf
(goto-char (point-min))
(when (re-search-forward
(format "function\\s-+%s\\s-*(\\([^{]*\\))" tagname)
nil t)
(setq arglist (buffer-substring-no-properties
(match-beginning 1) (match-end 1)))))
(if arglist
(message "Arglist for %s: %s" tagname arglist)
(message "Unknown function: %s" tagname))))
(defun php-search-local-documentation ()
"Search the local PHP documentation (i.e. in `php-manual-path')
for the word at point. The function returns t if the requested
documentation exists, and nil otherwise."
(interactive)
(cl-flet ((php-function-file-for (name)
(expand-file-name
(format "function.%s.html"
(replace-regexp-in-string "_" "-" name))
php-manual-path)))
(let ((doc-file (php-function-file-for (current-word))))
(and (file-exists-p doc-file)
(browse-url doc-file)
t))))