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php-mode.el
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;;; php-mode.el --- Major mode for editing PHP code -*- lexical-binding: t; -*-
;; Copyright (C) 2022 Friends of Emacs-PHP development
;; Copyright (C) 1999, 2000, 2001, 2003, 2004 Turadg Aleahmad
;; 2008 Aaron S. Hawley
;; 2011, 2012, 2013, 2014, 2015, 2016, 2017 Eric James Michael Ritz
;; Author: Eric James Michael Ritz
;; Maintainer: USAMI Kenta <[email protected]>
;; URL: https://github.com/emacs-php/php-mode
;; Keywords: languages php
;; Version: 1.24.1
;; Package-Requires: ((emacs "25.2"))
;; License: GPL-3.0-or-later
(defconst php-mode-version-number "1.24.1"
"PHP Mode version number.")
;; 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 3 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, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; PHP Mode is a major mode for editing PHP script. It's an extension
;; of CC mode; thus it inherits all C mode's navigation functionality.
;; But it colors according to the PHP syntax and indents according to the
;; PSR-2 coding guidelines. It also includes a couple handy IDE-type
;; features such as documentation search and a source and class browser.
;; Please read the manual for setting items compatible with CC Mode.
;; https://www.gnu.org/software/emacs/manual/html_mono/ccmode.html
;; This mode is designed for PHP scripts consisting of a single <?php block.
;; We recommend the introduction of Web Mode for HTML and Blade templates combined with PHP.
;; http://web-mode.org/
;; Modern PHP Mode can be set on a project basis by .dir-locals.el.
;; Please read php-project.el for details of directory local variables.
;; If you are using a package manager, you do not need (require 'php-mode) in
;; your ~/.emacs.d/init.el. Read the README for installation instructions.
;; https://github.com/emacs-php/php-mode
;;; Code:
(require 'php)
(require 'php-face)
(require 'cc-mode)
(eval-when-compile
(require 'cc-langs)
(require 'cc-fonts))
;; Boilerplate from other `cc-mode' derived modes. See
;; http://cc-mode.sourceforge.net/derived-mode-ex.el for details on how this all
;; fits together.
(eval-and-compile
(c-add-language 'php-mode 'java-mode))
(require 'font-lock)
(require 'custom)
(require 'speedbar)
(require 'imenu)
(require 'package)
(require 'nadvice)
(require 'mode-local)
(require 'php-project)
(eval-when-compile
(require 'rx)
(require 'cl-lib)
(require 'regexp-opt)
(defvar add-log-current-defun-header-regexp)
(defvar add-log-current-defun-function)
(defvar c-syntactic-context)
(defvar c-vsemi-status-unknown-p)
(defvar syntax-propertize-via-font-lock))
(autoload 'php-mode-debug "php-mode-debug"
"Display informations useful for debugging PHP Mode." t)
;; Local variables
;;;###autoload
(defgroup php-mode nil
"Major mode for editing PHP code."
:tag "PHP Mode"
:prefix "php-mode-"
:group 'languages
:group 'php
:link '(url-link :tag "Official Site" "https://github.com/emacs-php/php-mode")
:link '(url-link :tag "PHP Mode Wiki" "https://github.com/emacs-php/php-mode/wiki"))
(define-obsolete-variable-alias 'php-default-face 'php-mode-default-face "1.20.0")
(defcustom php-mode-default-face 'default
"Default face in `php-mode' buffers."
:group 'php-mode
:tag "PHP Mode Default Face"
:type 'face)
(define-obsolete-variable-alias 'php-speedbar-config 'php-mode-speedbar-config "1.20.0")
(defcustom php-mode-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]?\\)\""
:group 'php-mode
:tag "PHP Mode Speedbar Config"
:type 'boolean
:set (lambda (sym val)
(set-default sym val)
(when val
(speedbar-add-supported-extension
"\\.\\(inc\\|php[s345]?\\|phtml\\)"))))
(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."
:group 'php-mode
:tag "PHP Mode Speedbar Open"
:type 'boolean
:set (lambda (sym val)
(set-default sym val)
(when val
(speedbar 1))))
(define-obsolete-variable-alias 'php-template-compatibility 'php-mode-template-compatibility "1.20.0")
(defcustom php-mode-template-compatibility t
"Should detect presence of html tags."
:group 'php-mode
:tag "PHP Mode Template Compatibility"
:type 'boolean)
(define-obsolete-variable-alias 'php-lineup-cascaded-calls 'php-mode-lineup-cascaded-calls "1.20.0")
(defcustom php-mode-lineup-cascaded-calls nil
"Indent chained method calls to the previous line."
:group 'php-mode
:tag "PHP Mode Lineup Cascaded Calls"
:type 'boolean)
(defcustom php-mode-page-delimiter
(eval-when-compile
(rx symbol-start
(or "namespace" "function" "class" "trait" "interface")
symbol-end))
"Regexp describing line-beginnings that PHP declaration statements."
:group 'php-mode
:tag "PHP Mode Page Delimiter"
:type 'regexp)
(define-obsolete-variable-alias 'php-do-not-use-semantic-imenu 'php-mode-do-not-use-semantic-imenu "1.20.0")
(defcustom php-mode-do-not-use-semantic-imenu t
"Customize `imenu-create-index-function' for `php-mode'.
If using function `semantic-mode' `imenu-create-index-function' will be
set to `semantic-create-imenu-index' due to `c-mode' being its
parent. Set this variable to t if you want to use
`imenu-default-create-index-function' even with `semantic-mode'
enabled."
:group 'php-mode
:tag "PHP Mode Do Not Use Semantic Imenu"
:type 'boolean)
;;;###autoload
(add-to-list 'interpreter-mode-alist
;; Match php, php-3, php5, php7, php5.5, php-7.0.1, etc.
(cons "php\\(?:-?[34578]\\(?:\\.[0-9]+\\)*\\)?" 'php-mode))
(defcustom php-mode-hook nil
"List of functions to be executed on entry to `php-mode'."
:group 'php-mode
:tag "PHP Mode Hook"
:type 'hook)
(defcustom php-mode-pear-hook nil
"Hook called when a PHP PEAR file is opened with `php-mode'."
:group 'php-mode
:tag "PHP Mode Pear Hook"
:type 'hook)
(defcustom php-mode-drupal-hook nil
"Hook called when a Drupal file is opened with `php-mode'."
:group 'php-mode
:tag "PHP Mode Drupal Hook"
:type 'hook)
(defcustom php-mode-wordpress-hook nil
"Hook called when a WordPress file is opened with `php-mode'."
:group 'php-mode
:tag "PHP Mode WordPress Hook"
:type 'hook)
(defcustom php-mode-symfony2-hook nil
"Hook called when a Symfony2 file is opened with `php-mode'."
:group 'php-mode
:tag "PHP Mode Symfony2 Hook"
:type 'hook)
(defcustom php-mode-psr2-hook nil
"Hook called when a PSR-2 file is opened with `php-mode'."
:group 'php-mode
:tag "PHP Mode PSR-2 Hook"
:type 'hook)
(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."
:group 'php-mode
:tag "PHP Mode Force Pear"
:type 'boolean)
(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."
:group 'php-mode
:tag "PHP Mode Warn If MuMaMo Off"
:type '(choice (const :tag "Warn" t) (const "Don't warn" nil)))
(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:
`Default' - use a reasonable default style for PHP.
`PSR-2' - use PSR standards (PSR-2, PSR-12).
`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."
:group 'php-mode
:tag "PHP Mode Coding Style"
:type '(choice (const :tag "Default" php)
(const :tag "PEAR" pear)
(const :tag "Drupal" drupal)
(const :tag "WordPress" wordpress)
(const :tag "Symfony2" symfony2)
(const :tag "PSR-2" psr2))
:initialize 'custom-initialize-default)
;; Since this function has a bad influence on the environment of many users,
;; temporarily disable it
(defcustom php-mode-enable-project-coding-style nil
"When set to true override `php-mode-coding-style' by `php-project-coding-style'.
If you want to suppress styles from being overwritten by directory / file
local variables, set NIL."
:group 'php-mode
:tag "PHP Mode Enable Project Coding Style"
:type 'boolean)
(defcustom php-mode-enable-backup-style-variables t
"When set to `T', back up values set by hook and buffer local variables.
This function may interfere with other hooks and other behaviors.
In that case set to `NIL'."
:group 'php-mode
:tag "PHP Mode Enable Backup Style Variables"
:type 'boolean)
(defcustom php-mode-disable-c-auto-align-backslashes t
"When set to non-NIL, override `c-auto-align-backslashes' to NIL."
:group 'php-mode
:tag "PHP Mode Disable c-auto-align-backslashes"
:type 'boolean)
(define-obsolete-variable-alias 'php-mode-disable-parent-mode-hooks 'php-mode-disable-c-mode-hook "1.21.0")
(defcustom php-mode-disable-c-mode-hook t
"When set to `T', do not run hooks of parent modes (`java-mode', `c-mode')."
:group 'php-mode
:tag "PHP Mode Disable C Mode Hook"
:type 'boolean)
(defcustom php-mode-enable-project-local-variable t
"When set to `T', apply project local variable to buffer local variable."
:group 'php-mode
:tag "PHP Mode Enable Project Local Variable"
:type 'boolean)
(defconst php-mode-cc-vertion
(eval-when-compile c-version))
(defun php-mode-version ()
"Display string describing the version of PHP Mode."
(interactive)
(let ((fmt (eval-when-compile (let ((id "$Id$"))
(concat "PHP Mode %s"
(if (string= id (concat [?$ ?I ?d ?$]))
""
(concat " " id)))))))
(funcall
(if (called-interactively-p 'interactive) #'message #'format)
fmt php-mode-version-number)))
;;;###autoload
(define-obsolete-variable-alias 'php-available-project-root-files 'php-project-available-root-files "1.19.0")
(defvar php-mode-map
(let ((map (make-sparse-keymap "PHP Mode")))
;; Remove menu item for c-mode
(define-key map [menu-bar C] nil)
;; 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 Subword mode.
(define-key map (kbd "C-c C-w") 'subword-mode)
;; 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 [remap c-set-style] 'php-set-style)
(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'.")
(c-lang-defconst c-mode-menu
php (append '(["Complete function name" php-complete-function t]
["Browse manual" php-browse-manual t]
["Search documentation" php-search-documentation t]
["----" t])
(c-lang-const c-mode-menu)))
(c-lang-defconst c-at-vsemi-p-fn
php 'php-c-at-vsemi-p)
(c-lang-defconst c-vsemi-status-unknown-p-fn
php 'php-c-vsemi-status-unknown-p)
(c-lang-defconst c-get-state-before-change-functions
php nil)
(c-lang-defconst c-before-font-lock-functions
php (c-get-lang-constant 'c-before-font-lock-functions nil t))
;; Make php-mode recognize opening tags as preprocessor macro's.
;;
;; This is a workaround, the tags must be recognized as something
;; in order for the syntactic guesses of code below the tag
;; to be correct and as a result not break indentation.
;;
;; Note that submatches or \\| here are not expected by cc-mode.
(c-lang-defconst c-opt-cpp-prefix
php "\\s-*<\\?")
(c-lang-defconst c-anchored-cpp-prefix
php "\\s-*\\(<\\?(=\\|\\sw+)\\)")
(c-lang-defconst c-identifier-ops
php '((left-assoc "\\" "::" "->")
(prefix "\\" "::")))
(c-lang-defconst c-operators
php `((prefix "new" "clone")
,@(c-lang-const c-identifier-ops)
(postfix "->")
(postfix "++" "--" "[" "]" "(" ")")
(right-assoc "**")
(prefix "++" "--" "+" "-" "~" "(" ")" "@")
(prefix "instanceof")
(prefix "!")
(left-assoc "*" "/" "%")
(left-assoc "+" "-" ".")
(left-assoc "<<" ">>")
(left-assoc "<" ">" "<=" ">=")
(left-assoc "==" "!=" "===" "!==" "<>" "<=>")
(left-assoc "&")
(left-assoc "^")
(left-assoc "|")
(left-assoc "&&")
(left-assoc "||")
(right-assoc "??")
(left-assoc "?:")
(right-assoc-sequence "?" ":")
(right-assoc ,@(c-lang-const c-assignment-operators))
(left-assoc "and")
(left-assoc "xor")
(left-assoc "or")
(left-assoc ",")))
;; Allow '\' when scanning from open brace back to defining
;; construct like class
(c-lang-defconst c-block-prefix-disallowed-chars
php (cl-set-difference (c-lang-const c-block-prefix-disallowed-chars)
'(?\\)))
;; Allow $ so variables are recognized in cc-mode and remove @. This
;; makes cc-mode highlight variables and their type hints in arglists.
(c-lang-defconst c-symbol-start
php (concat "[" c-alpha "_$]"))
;; All string literals can possibly span multiple lines
(c-lang-defconst c-multiline-string-start-char
php t)
(c-lang-defconst c-assignment-operators
php '("=" "*=" "/=" "%=" "+=" "-=" ">>=" "<<=" "&=" "^=" "|=" ".=" "??="))
(c-lang-defconst beginning-of-defun-function
php 'php-beginning-of-defun)
(c-lang-defconst end-of-defun-function
php 'php-end-of-defun)
(c-lang-defconst c-primitive-type-kwds
php '("int" "integer" "bool" "boolean" "float" "double" "real"
"string" "object" "void" "mixed" "never"))
(c-lang-defconst c-class-decl-kwds
"Keywords introducing declarations where the following block (if any)
contains another declaration level that should be considered a class."
php '("class" "trait" "interface" "enum"))
(c-lang-defconst c-brace-list-decl-kwds
"Keywords introducing declarations where the following block (if
any) is a brace list.
PHP does not have an C-like \"enum\" keyword."
php nil)
(c-lang-defconst c-typeless-decl-kwds
php (append (c-lang-const c-class-decl-kwds) '("function")))
(c-lang-defconst c-modifier-kwds
php '("abstract" "const" "final" "static" "case" "readonly"))
(c-lang-defconst c-protection-kwds
"Access protection label keywords in classes."
php '("private" "protected" "public"))
(c-lang-defconst c-postfix-decl-spec-kwds
php '("implements" "extends"))
(c-lang-defconst c-type-list-kwds
php '("@new" ;; @new is *NOT* language construct, it's workaround for coloring.
"new" "use" "implements" "extends" "namespace" "instanceof" "insteadof"))
(c-lang-defconst c-ref-list-kwds
php nil)
(c-lang-defconst c-block-stmt-2-kwds
php '("catch" "declare" "elseif" "for" "foreach" "if" "switch" "while"))
(c-lang-defconst c-simple-stmt-kwds
php '("break" "continue" "die" "echo" "exit" "goto" "return" "throw"
"include" "include_once" "print" "require" "require_once"))
(c-lang-defconst c-constant-kwds
php '("true" "false" "null"))
(c-lang-defconst c-lambda-kwds
php '("function" "use"))
(c-lang-defconst c-inexpr-block-kwds
php '("match"))
(c-lang-defconst c-other-block-decl-kwds
php '("namespace"))
(c-lang-defconst c-other-kwds
"Keywords not accounted for by any other `*-kwds' language constant."
php
'("__halt_compiler"
"and"
"array"
"as"
"break"
"catch"
"clone"
"default"
"empty"
"enddeclare"
"endfor"
"endforeach"
"endif"
"endswitch"
"endwhile"
"eval"
"fn" ;; NOT c-lambda-kwds
"global"
"isset"
"list"
"or"
"parent"
"static"
"unset"
"var"
"xor"
"yield"
"yield from"
;; Below keywords are technically not reserved keywords, but
;; threated no differently by php-mode from actual reserved
;; keywords
;;
;;; declare directives:
"encoding"
"ticks"
"strict_types"
;;; self for static references:
"self"))
;; PHP does not have <> templates/generics
(c-lang-defconst c-recognize-<>-arglists
php nil)
(c-lang-defconst c-<>-type-kwds
php nil)
(c-lang-defconst c-inside-<>-type-kwds
php nil)
(c-lang-defconst c-enums-contain-decls
php nil)
(c-lang-defconst c-nonlabel-token-key
"Regexp matching things that can't occur in generic colon labels.
This overrides cc-mode `c-nonlabel-token-key' to support switching on
double quoted strings and true/false/null.
Note: this regexp is also applied to goto-labels, a future improvement
might be to handle switch and goto labels differently."
php (concat
;; All keywords except `c-label-kwds' and `c-constant-kwds'.
(c-make-keywords-re t
(cl-set-difference (c-lang-const c-keywords)
(append (c-lang-const c-label-kwds)
(c-lang-const c-constant-kwds))
:test 'string-equal))))
(c-lang-defconst c-basic-matchers-before
php (cl-remove-if (lambda (elm) (and (listp elm) (equal (car elm) "\\s|")))
(c-lang-const c-basic-matchers-before php)))
(c-lang-defconst c-basic-matchers-after
php (cl-remove-if (lambda (elm) (and (listp elm) (memq 'c-annotation-face elm)))
(c-lang-const c-basic-matchers-after php)))
(defconst php-mode--re-return-typed-closure
(eval-when-compile
(rx symbol-start "function" symbol-end
(* (syntax whitespace))
"(" (* (not (any "("))) ")"
(* (syntax whitespace))
(? symbol-start "use" symbol-end
(* (syntax whitespace))
"(" (* (not (any "("))) ")"
(* (syntax whitespace)))
":" (+ (not (any "{}")))
(group "{"))))
(defun php-c-lineup-arglist (langelem)
"Line up the current argument line under the first argument using
`c-lineup-arglist' LANGELEM."
(let (in-return-typed-closure)
(when (and (consp langelem)
(eq 'arglist-cont-nonempty (car langelem)))
(save-excursion
(save-match-data
(when (re-search-backward php-mode--re-return-typed-closure (cdr langelem) t)
(goto-char (match-beginning 1))
(when (not (php-in-string-or-comment-p))
(setq in-return-typed-closure t))))))
(unless in-return-typed-closure
(c-lineup-arglist langelem))))
(defun php-lineup-cascaded-calls (langelem)
"Line up chained methods using `c-lineup-cascaded-calls',
but only if the setting is enabled."
(cond
(php-mode-lineup-cascaded-calls (c-lineup-cascaded-calls langelem))
((assq 'arglist-cont-nonempty c-syntactic-context) nil)
((assq 'defun-block-intro c-syntactic-context) nil)
((assq 'defun-close c-syntactic-context) nil)
((assq 'statement-cont c-syntactic-context) nil)
(t
(save-excursion
(beginning-of-line)
(let ((beginning-of-langelem (cdr langelem))
(beginning-of-current-line (point))
start)
(skip-chars-forward " ")
(cond
((looking-at-p "->") '+)
((looking-at-p "[:?]") '+)
((looking-at-p "[,;]") nil)
;; Is the previous line terminated with `,' ?
((progn
(forward-line -1)
(end-of-line)
(skip-chars-backward " ")
(backward-char 1)
(while (and (< beginning-of-langelem (point))
(setq start (php-in-string-or-comment-p)))
(goto-char start)
(skip-chars-backward " ")
(backward-char 1))
(and (not (eq (point) beginning-of-current-line))
(not (looking-at-p ","))
(not (php-in-string-or-comment-p))))
'+)
(t nil)))))))
(defun php-c-looking-at-or-maybe-in-bracelist (&optional _containing-sexp lim)
"Replace `c-looking-at-or-maybe-in-bracelist'.
CONTAINING-SEXP is the position of the brace/paren/bracket enclosing
POINT, or nil if there is no such position, or we do not know it. LIM is
a backward search limit."
(cond
((looking-at-p "{")
(save-excursion
(c-backward-token-2 2 t lim)
;; PHP 8.0 match expression
;; echo match ($var) |{
;; ↑ matches ↑ initial position
(when (looking-at-p (eval-when-compile (rx symbol-start "match" symbol-end)))
(cons (point) t))))
(t nil)))
(c-add-style
"php"
`((c-basic-offset . 4)
(c-offsets-alist . ((arglist-close . php-lineup-arglist-close)
(arglist-cont . (first php-lineup-cascaded-calls 0))
(arglist-cont-nonempty . (first php-lineup-cascaded-calls php-c-lineup-arglist))
(arglist-intro . php-lineup-arglist-intro)
(case-label . +)
(class-open . 0)
(comment-intro . 0)
(inexpr-class . 0)
(inlambda . 0)
(inline-open . 0)
(namespace-open . 0)
(lambda-intro-cont . +)
(label . +)
(statement-cont . (first php-lineup-cascaded-calls php-lineup-string-cont +))
(substatement-open . 0)
(topmost-intro-cont . (first php-lineup-cascaded-calls +))))
(indent-tabs-mode . nil)
(tab-width . ,(default-value 'tab-width))
(fill-column . ,(default-value 'fill-column))
(show-trailing-whitespace . ,(default-value 'show-trailing-whitespace))
(php-mode-lineup-cascaded-calls . t)
(php-style-delete-trailing-whitespace . nil)))
(defun php-enable-default-coding-style ()
"Set PHP Mode to use reasonable default formatting."
(interactive)
(php-set-style "php"))
(c-add-style
"pear"
'("php"
(c-basic-offset . 4)
(c-offsets-alist . ((case-label . 0)))
(tab-width . 4)))
(defun php-enable-pear-coding-style ()
"Set up `php-mode' to use the coding styles preferred for PEAR code and modules."
(interactive)
(php-set-style "pear"))
(c-add-style
"drupal"
'("php"
(c-basic-offset . 2)
(tab-width . 2)
(fill-column . 78)
(show-trailing-whitespace . t)
(php-mode-lineup-cascaded-calls . nil)
(php-style-delete-trailing-whitespace . t)))
(defun php-enable-drupal-coding-style ()
"Make `php-mode' use coding styles that are preferable for working with Drupal."
(interactive)
(php-set-style "drupal"))
(c-add-style
"wordpress"
'("php"
(c-basic-offset . 4)
(c-indent-comments-syntactically-p t)
(indent-tabs-mode . t)
(tab-width . 4)
(fill-column . 78)))
(defun php-enable-wordpress-coding-style ()
"Make `php-mode' use coding styles that are preferable for working with
Wordpress."
(interactive)
(php-set-style "wordpress"))
(c-add-style
"symfony2"
'("php"
(c-offsets-alist . ((statement-cont . php-lineup-hanging-semicolon)))
(c-indent-comments-syntactically-p . t)
(php-mode-lineup-cascaded-calls . nil)
(fill-column . 78)))
(defun php-enable-symfony2-coding-style ()
"Make `php-mode' use coding styles that are preferable for working with Symfony2."
(interactive)
(php-set-style "symfony2"))
(c-add-style
"psr2" ; PSR-2 / PSR-12
'("php"
(c-offsets-alist . ((statement-cont . +)))
(c-indent-comments-syntactically-p . t)
(fill-column . 78)
(show-trailing-whitespace . t)
(php-mode-lineup-cascaded-calls . nil)
(php-style-delete-trailing-whitespace . t)))
(defun php-enable-psr2-coding-style ()
"Make `php-mode' comply to the PSR-2 coding style."
(interactive)
(php-set-style "psr2"))
(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 (found-p (arg (or arg 1)))
(while (> arg 0)
(setq found-p (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))
(setq found-p (re-search-forward php-beginning-of-defun-regexp
nil 'noerror)))
(setq arg (1+ arg))))
(not (null found-p))))
(defun php-end-of-defun (&optional arg)
"Move the end of the ARGth PHP function from point.
Implements PHP version 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)))))
(prog1 t
(goto-char here))
(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)))
("web-mode" web-mode (lambda () (web-mode)))))
(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
(cl-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)
"Carefully indent region START to END in contexts other than HTML templates.
If the optional argument QUIET is non-nil then no syntactic errors are
reported, even if `c-report-syntactic-errors' is non-nil."
(if (or (not php-mode-warn-if-mumamo-off)
(not (php-in-poly-php-html-mode))
php-warned-bad-indent
(php-check-html-for-indentation))
(funcall 'c-indent-region start end quiet)))
(defun php-cautious-indent-line ()
"Carefully indent lines in contexts other than HTML templates."
(if (or (not php-mode-warn-if-mumamo-off)
(not (php-in-poly-php-html-mode))
php-warned-bad-indent
(php-check-html-for-indentation))
(let ((here (point))
(c-auto-align-backslashes
(unless php-mode-disable-c-auto-align-backslashes
c-auto-align-backslashes))
doit)
(move-beginning-of-line nil)
;; Don't indent heredoc end mark
(save-match-data
(unless (and (looking-at "[a-zA-Z0-9_]+;\n")
(php-in-string-p))
(setq doit t)))
(goto-char here)
(when doit
(funcall 'c-indent-line)))))
(defun php-c-at-vsemi-p (&optional pos)
"Return T on HTML lines (including php tag) or PHP8 Attribute, 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 this function could call c-beginning-of-statement-1, change php-c-vsemi-status-unknown-p.
(save-excursion
(if pos
(goto-char pos)
(setq pos (point)))
(cond
;; Detect PHP8 attribute: #[Attribute()]
((and (< 1 pos) (< 1 (- pos (c-point 'bol))))
(backward-char 1)
(looking-at-p (eval-when-compile (rx "]" (* (syntax whitespace)) (or "#[" line-end)))))
;; Detect HTML/XML tag and PHP tag (<?php, <?=, ?>)
(php-mode-template-compatibility
(beginning-of-line)
(looking-at-p
(eval-when-compile
(rx (or (: bol (0+ space) "<" (in "?a-z"))
(: (0+ not-newline) (in "?a-z") ">" (0+ space) eol)))))))))
(defun php-c-vsemi-status-unknown-p ()
"Always return NIL. See `c-vsemi-status-unknown-p'."
;; Current implementation of php-c-at-vsemi-p never calls c-beginning-of-statement-1
nil)
(defun php-lineup-string-cont (langelem)
"Line up string toward equal sign or dot.
e.g.
$str \= \'some\'
. \'string\';
this ^ lineup"
(save-excursion
(goto-char (cdr langelem))
(let (ret finish)
(while (and (not finish) (re-search-forward "[=.]" (line-end-position) t))
(unless (php-in-string-or-comment-p)
(setq finish t
ret (vector (1- (current-column))))))
ret)))
(defun php-lineup-arglist-intro (langelem)
(save-excursion
(goto-char (cdr langelem))
(vector (+ (current-column) c-basic-offset))))
(defun php-lineup-arglist-close (langelem)
(save-excursion
(goto-char (cdr langelem))
(vector (current-column))))
(defun php-lineup-arglist (_langelem)
(save-excursion
(beginning-of-line)
(if (looking-at-p "\\s-*->") '+ 0)))
(defun php-lineup-hanging-semicolon (_langelem)
(save-excursion
(beginning-of-line)
(if (looking-at-p "\\s-*;\\s-*$") 0 '+)))
(eval-and-compile
(defconst php-heredoc-start-re
(rx "<<<"
(* (syntax whitespace))
(or (group (+ (or (syntax word) (syntax symbol))))
(: "\"" (group (+ (or (syntax word) (syntax symbol)))) "\"")
(: "'" (group (+ (or (syntax word) (syntax symbol)))) "'"))
line-end)
"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 "\\_<.+?\\_>" heredoc-start)
(concat "^\\s-*\\(" (match-string 0 heredoc-start) "\\)\\W"))
(eval-and-compile
(defconst php-syntax-propertize-rules
`((php-heredoc-start-re
(0 (ignore (php--syntax-propertize-heredoc
(match-beginning 0)
(or (match-string 1) (match-string 2) (match-string 3))
(null (match-string 3))))))
(,(rx "#[")
(0 (ignore (php--syntax-propertize-attributes (match-beginning 0)))))
(,(rx (or "'" "\"" ))
(0 (ignore (php--syntax-propertize-quotes-in-comment (match-beginning 0)))))))
(defmacro php-build-propertize-function ()
`(byte-compile (syntax-propertize-rules ,@php-syntax-propertize-rules)))
(defalias 'php-syntax-propertize-function (php-build-propertize-function)))
(defun php--syntax-propertize-heredoc (start id _is-heredoc)
"Apply propertize Heredoc and Nowdoc from START, with ID and IS-HEREDOC."
(let ((terminator (rx-to-string `(: line-start (* (syntax whitespace)) ,id word-boundary))))
(put-text-property start (1+ start) 'syntax-table (string-to-syntax "|"))
(re-search-forward terminator nil t)
(when (match-string 0)
(put-text-property (1- (point)) (point) 'syntax-table (string-to-syntax "|")))))