;;; cperl-mode.el --- Perl code editing commands for Emacs
-;; Copyright (C) 1985, 86, 87, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2003
+;; Copyright (C) 1985, 86, 87, 91, 92, 93, 94, 95, 96, 97, 98, 99,
+;; 2000, 2003, 2005, 2006
;; Free Software Foundation, Inc.
;; Author: Ilya Zakharevich and Bob Olson
-;; Maintainer: Ilya Zakharevich <cperl@ilyaz.org>
+;; Maintainer: Ilya Zakharevich <ilyaz@cpan.org>
;; Keywords: languages, Perl
;; This file is part of GNU Emacs.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
-;;; Corrections made by Ilya Zakharevich cperl@ilyaz.org
+;;; Corrections made by Ilya Zakharevich ilyaz@cpan.org
;;; XEmacs changes by Peter Arius arius@informatik.uni-erlangen.de
;;; Commentary:
-;; $Id: cperl-mode.el,v 5.0 2003/02/17 01:33:20 vera Exp vera $
+;; $Id: cperl-mode.el,v 5.23 2007/02/15 11:34:23 vera Exp vera $
;;; If your Emacs does not default to `cperl-mode' on Perl files:
;;; To use this mode put the following into
;;; Fontification updated to 19.30 style.
;;; The change 19.29->30 did not add all the required functionality,
;;; but broke "font-lock-extra.el". Get "choose-color.el" from
-;;; ftp://ftp.math.ohio-state.edu/pub/users/ilya/emacs
+;;; http://ilyaz.org/software/emacs
;;;; After 1.16:
;;; else # comment
;;; Now works for else/continue/sub blocks
;;; (`cperl-short-docs'): Minor edits; make messages fit 80-column screen
-;;;; After 4.37:
-;;; `cperl-add-tags-recurse-noxs-fullpath'
-;;; added (for -batch mode);
+;;;; After 5.0:
+;;; `cperl-add-tags-recurse-noxs-fullpath': new function (for -batch mode)
+
+;;;; After 5.1:
+;;;;;; Major edit. Summary of most visible changes:
+
+;;;;;; a) Multiple <<HERE per line allowed.
+;;;;;; b) Handles multiline subroutine declaration headers (with comments).
+;;;;;; (The exception is `cperl-etags' - but it is not used in the rest
+;;;;;; of the mode.)
+;;;;;; c) Fontifies multiline my/our declarations (even with comments,
+;;;;;; and with legacy `font-lock').
+;;;;;; d) Major speedup of syntaxification, both immediate and postponed
+;;;;;; (3.5x to 15x [for different CPUs and versions of Emacs] on the
+;;;;;; huge real-life document I tested).
+;;;;;; e) New bindings, edits to imenu.
+;;;;;; f) "_" is made into word-char during fontification/syntaxification;
+;;;;;; some attempts to recognize non-word "_" during other operations too.
+;;;;;; g) Detect bug in Emacs with `looking-at' inside `narrow' and bulk out.
+;;;;;; h) autoload some more perldoc-related stuff
+;;;;;; i) Some new convenience features: ISpell POD/HEREDOCs, narrow-to-HEREDOC
+;;;;;; j) Attempt to incorporate XEmacs edits which reached me
+
+;;;; Fine-grained changelog:
+;;; `cperl-hook-after-change': New configuration variable
+;;; `cperl-vc-sccs-header': Likewise
+;;; `cperl-vc-sccs-header': Likewise
+;;; `cperl-vc-header-alist': Default via two preceding variables
+;;; `cperl-invalid-face': Remove double quoting under XEmacs
+;;; (still needed under 21.2)
+;;; `cperl-tips': Update URLs for resources
+;;; `cperl-problems': Likewise
+;;; `cperl-praise': Mention new features
+;;; New C-c key bindings: for `cperl-find-bad-style',
+;;; `cperl-pod-spell', `cperl-here-doc-spell', `cperl-narrow-to-here-doc',
+;;; `cperl-perdoc', `cperl-perldoc-at-point'
+;;; CPerl Mode menu changes: "Fix style by spaces", "Imenu on Perl Info"
+;;; moved, new submenu of Tools with Ispell entries and narrowing.
+;;; `cperl-after-sub-regexp': New defsubst
+;;; `cperl-imenu--function-name-regexp-perl': Use `cperl-after-sub-regexp',
+;;; Allows heads up to head4
+;;; Allow "package;"
+;;; `defun-prompt-regexp': Use `cperl-after-sub-regexp',
+;;; `paren-backwards-message': ??? Something for XEmacs???
+;;; `cperl-mode': Never auto-switch abbrev-mode off
+;;; Try to allow '_' be non-word char
+;;; Do not use `font-lock-unfontify-region-function' on XEmacs
+;;; Reset syntax cache on mode start
+;;; Support multiline facification (even
+;;; on legacy `font-lock')
+;;; `cperl-facemenu-add-face-function': ??? Some contributed code ???
+;;; `cperl-after-change-function': Since `font-lock' and `lazy-lock'
+;;; refuse to inform us whether the fontification is due to lazy
+;;; calling or due to edit to a buffer, install our own hook
+;;; (controlled by `cperl-hook-after-change')
+;;; `cperl-electric-pod': =cut may have been recognized as start
+;;; `cperl-block-p': Moved, updated for attributes
+;;; `cperl-calculate-indent': Try to allow '_' be non-word char
+;;; Support subs with attributes
+;;; `cperl-where-am-i': Queit (?) a warning
+;;; `cperl-cached-syntax-table' New function
+;;; `cperl-forward-re': Use `cperl-cached-syntax-table'
+;;; `cperl-unwind-to-safe': Recognize `syntax-type' property
+;;; changing in a middle of line
+;;; `cperl-find-sub-attrs': New function
+;;; `cperl-find-pods-heres': Allow many <<EOP per line
+;;; Allow subs with attributes
+;;; Major speedups (3.5x..15x on a real-life
+;;; test file nph-proxy.pl)
+;;; Recognize "extproc " (OS/2)
+;;; case-folded and only at start
+;;; /x on s///x with empty replacement was
+;;; not recognized
+;;; Better comments
+;;; `cperl-after-block-p': Remarks on diff with `cperl-block-p'
+;;; Allow subs with attributes, labels
+;;; Do not confuse "else::foo" with "else"
+;;; Minor optimizations...
+;;; `cperl-after-expr-p': Try to allow '_' be non-word char
+;;; `cperl-fill-paragraph': Try to detect a major bug in Emacs
+;;; with `looking-at' inside `narrow' and bulk out if found
+;;; `cperl-imenu--create-perl-index': Updates for new
+;;; `cperl-imenu--function-name-regexp-perl'
+;;; `cperl-outline-level': Likewise
+;;; `cperl-init-faces': Allow multiline subroutine headers
+;;; and my/our declarations, and ones with comments
+;;; Allow subroutine attributes
+;;; `cperl-imenu-on-info': Better docstring.
+;;; `cperl-etags' Rudimentary support for attributes
+;;; Support for packages and "package;"
+;;; `cperl-add-tags-recurse-noxs': Better (?) docstring
+;;; `cperl-add-tags-recurse-noxs-fullpath': Likewise
+;;; `cperl-tags-hier-init': Misprint for `fboundp' fixed
+;;; `cperl-not-bad-style-regexp': Try to allow '_' be non-word char
+;;; `cperl-perldoc': Add autoload
+;;; `cperl-perldoc-at-point': Likewise
+;;; `cperl-here-doc-spell': New function
+;;; `cperl-pod-spell': Likewise
+;;; `cperl-map-pods-heres': Likewise
+;;; `cperl-get-here-doc-region': Likewise
+;;; `cperl-font-lock-fontify-region-function': Likewise (backward compatibility
+;;; for legacy `font-lock')
+;;; `cperl-font-lock-unfontify-region-function': Fix style
+;;; `cperl-fontify-syntaxically': Recognize and optimize away
+;;; deferred calls with no-change. Governed by `cperl-hook-after-change'
+;;; `cperl-fontify-update': Recognize that syntaxification region
+;;; can be larger than fontification one.
+;;; XXXX we leave `cperl-postpone' property, so this is quadratic...
+;;; `cperl-fontify-update-bad': Temporary placeholder until
+;;; it is clear how to implement `cperl-fontify-update'.
+;;; `cperl-time-fontification': New function
+;;; `attrib-group': New text attribute
+;;; `multiline': New value: `syntax-type' text attribute
+
+;;;; After 5.2:
+;;; `cperl-emulate-lazy-lock': New function
+;;; `cperl-fontify-syntaxically': Would skip large regions
+;;; Add `cperl-time-fontification', `cperl-emulate-lazy-lock' to menu
+;;; Some globals were declared, but uninitialized
+
+;;;; After 5.3, 5.4:
+;;; `cperl-facemenu-add-face-function': Add docs, fix U<>
+;;; Copyright message updated.
+;;; `cperl-init-faces': Work around a bug in `font-lock'. May slow
+;;; facification down a bit.
+;;; Misprint for my|our|local for old `font-lock'
+;;; "our" was not fontified same as "my|local"
+;;; Highlight variables after "my" etc even in
+;;; a middle of an expression
+;;; Do not facify multiple variables after my etc
+;;; unless parentheses are present
+
+;;; After 5.5, 5.6
+;;; `cperl-fontify-syntaxically': after-change hook could reset
+;;; `cperl-syntax-done-to' to a middle of line; unwind to BOL.
+
+;;; After 5.7:
+;;; `cperl-init-faces': Allow highlighting of local ($/)
+;;; `cperl-problems-old-emaxen': New variable (for the purpose of DOCSTRING).
+;;; `cperl-problems': Remove fixed problems.
+;;; `cperl-find-pods-heres': Recognize #-comments in m##x too
+;;; Recognize charclasses (unless delimiter is \).
+;;; `cperl-fontify-syntaxically': Unwinding to safe was done in wrong order
+;;; `cperl-regexp-scan': Update docs
+;;; `cperl-beautify-regexp-piece': use information got from regexp scan
+
+;;; After 5.8:
+;;; Major user visible changes:
+;;; Recognition and fontification of character classes in RExen.
+;;; Variable indentation of RExen according to groups
+;;;
+;;; `cperl-find-pods-heres': Recognize POSIX classes in REx charclasses
+;;; Fontify REx charclasses in variable-name face
+;;; Fontify POSIX charclasses in "type" face
+;;; Fontify unmatched "]" in function-name face
+;;; Mark first-char of HERE-doc as `front-sticky'
+;;; Reset `front-sticky' property when needed
+;;; `cperl-calculate-indent': Indents //x -RExen accordning to parens level
+;;; `cperl-to-comment-or-eol': Recognize ends of `syntax-type' constructs
+;;; `cperl-backward-to-noncomment': Recognize stringy `syntax-type' constructs
+;;; Support `narrow'ed buffers.
+;;; `cperl-praise': Remove a reservation
+;;; `cperl-make-indent': New function
+;;; `cperl-indent-for-comment': Use `cperl-make-indent'
+;;; `cperl-indent-line': Likewise
+;;; `cperl-lineup': Likewise
+;;; `cperl-beautify-regexp-piece': Likewise
+;;; `cperl-contract-level': Likewise
+;;; `cperl-toggle-set-debug-unwind': New function
+;;; New menu entry for this
+;;; `fill-paragraph-function': Use when `boundp'
+;;; `cperl-calculate-indent': Take into account groups when indenting RExen
+;;; `cperl-to-comment-or-eol': Recognize # which end a string
+;;; `cperl-modify-syntax-type': Make only syntax-table property non-sticky
+;;; `cperl-fill-paragraph': Return t: needed for `fill-paragraph-function'
+;;; `cperl-fontify-syntaxically': More clear debugging message
+;;; `cperl-pod2man-build-command': XEmacs portability: check `Man-filter-list'
+;;; `cperl-init-faces': More complicated highlight even on XEmacs (new)
+;;; Merge cosmetic changes from XEmacs
+
+;;; After 5.9:
+;;; `cperl-1+': Moved to before the first use
+;;; `cperl-1-': Likewise
+
+;;; After 5.10:
+
+;;; This code may lock Emacs hard!!! Use on your own risk!
+
+;;; `cperl-font-locking': New internal variable
+;;; `cperl-beginning-of-property': New function
+;;; `cperl-calculate-indent': Use `cperl-beginning-of-property'
+;;; instead of `previous-single-property-change'
+;;; `cperl-unwind-to-safe': Likewise
+;;; `cperl-after-expr-p': Likewise
+;;; `cperl-get-here-doc-region': Likewise
+;;; `cperl-font-lock-fontify-region-function': Likewise
+;;; `cperl-to-comment-or-eol': Do not call `cperl-update-syntaxification'
+;;; recursively
+;;; Bound `next-single-property-change'
+;;; via `point-max'
+;;; `cperl-unwind-to-safe': Bound likewise
+;;; `cperl-font-lock-fontify-region-function': Likewise
+;;; `cperl-find-pods-heres': Mark as recursive for `cperl-to-comment-or-eol'
+;;; Initialization of
+;;; `cperl-font-lock-multiline-start' could be missed if the "main"
+;;; fontification did not run due to the keyword being already fontified.
+;;; `cperl-pod-spell': Return t from do-one-chunk function
+;;; `cperl-map-pods-heres': Stop when the worker returns nil
+;;; Call `cperl-update-syntaxification'
+;;; `cperl-get-here-doc-region': Call `cperl-update-syntaxification'
+;;; `cperl-get-here-doc-delim': Remove unused function
+
+;;; After 5.11:
+
+;;; The possible lockup of Emacs (introduced in 5.10) fixed
+
+;;; `cperl-unwind-to-safe': `cperl-beginning-of-property' won't return nil
+;;; `cperl-syntaxify-for-menu': New customization variable
+;;; `cperl-select-this-pod-or-here-doc': New function
+;;; `cperl-get-here-doc-region': Extra argument
+;;; Do not adjust pos by 1
+
+;;; New menu entries (Perl/Tools): selection of current POD or HERE-DOC section
+;;; (Debugging CPerl:) backtrace on fontification
+
+;;; After 5.12:
+;;; `cperl-cached-syntax-table': use `car-safe'
+;;; `cperl-forward-re': Remove spurious argument SET-ST
+;;; Add documentation
+;;; `cperl-forward-group-in-re': New function
+;;; `cperl-find-pods-heres': Find and highlight (?{}) blocks in RExen
+;;; (XXXX Temporary (?) hack is to syntax-mark them as comment)
+
+;;; After 5.13:
+;;; `cperl-string-syntax-table': Make { and } not-grouping
+;;; (Sometimes they ARE grouping in RExen, but matching them would only
+;;; confuse in many situations when they are not)
+;;; `beginning-of-buffer': Replaced two occurences with goto-char...
+;;; `cperl-calculate-indent': `char-after' could be nil...
+;;; `cperl-find-pods-heres': REx can start after "[" too
+;;; Hightlight (??{}) in RExen too
+;;; `cperl-maybe-white-and-comment-rex': New constant
+;;; `cperl-white-and-comment-rex': Likewise
+;;; XXXX Not very efficient, but hard to make
+;;; better while keeping 1 group
+
+;;; After 5.13:
+;;; `cperl-find-pods-heres': $foo << identifier() is not a HERE-DOC
+;;; Likewise for 1 << identifier
+
+;;; After 5.14:
+;;; `cperl-find-pods-heres': Different logic for $foo .= <<EOF etc
+;;; Error-less condition-case could fail
+;;; `cperl-font-lock-fontify-region-function': Likewise
+;;; `cperl-init-faces': Likewise
+
+;;; After 5.15:
+;;; `cperl-find-pods-heres': Support property REx-part2
+;;; `cperl-calculate-indent': Likewise
+;;; Don't special-case REx with non-empty 1st line
+;;; `cperl-find-pods-heres': In RExen, highlight non-literal backslashes
+;;; Invert highlighting of charclasses:
+;;; now the envelop is highlighted
+;;; Highlight many others 0-length builtins
+;;; `cperl-praise': Mention indenting and highlight in RExen
+
+;;; After 5.15:
+;;; `cperl-find-pods-heres': Highlight capturing parens in REx
+
+;;; After 5.16:
+;;; `cperl-find-pods-heres': Highlight '|' for alternation
+;;; Initialize `font-lock-warning-face' if not present
+;;; `cperl-find-pods-heres': Use `font-lock-warning-face' instead of
+;;; `font-lock-function-name-face'
+;;; `cperl-look-at-leading-count': Likewise
+;;; `cperl-find-pods-heres': localize `font-lock-variable-name-face'
+;;; `font-lock-keyword-face' (needed for
+;;; batch processing) etc
+;;; Use `font-lock-builtin-face' for builtin in REx
+;;; Now `font-lock-variable-name-face'
+;;; is used for interpolated variables
+;;; Use "talking aliases" for faces inside REx
+;;; Highlight parts of REx (except in charclasses)
+;;; according to the syntax and/or semantic
+;;; Syntax-mark a {}-part of (?{}) as "comment"
+;;; (it was the ()-part)
+;;; Better logic to distinguish what is what in REx
+;;; `cperl-tips-faces': Document REx highlighting
+;;; `cperl-praise': Mention REx syntax highlight etc.
+
+;;; After 5.17:
+;;; `cperl-find-sub-attrs': Would not always manage to print error message
+;;; `cperl-find-pods-heres': localize `font-lock-constant-face'
+
+;;; After 5.18:
+;;; `cperl-find-pods-heres': Misprint in REx for parsing REx
+;;; Very minor optimization
+;;; `my-cperl-REx-modifiers-face' got quoted
+;;; Recognize "print $foo <<END" as HERE-doc
+;;; Put `REx-interpolated' text attribute if needed
+;;; `cperl-invert-if-unless-modifiers': New function
+;;; `cperl-backward-to-start-of-expr': Likewise
+;;; `cperl-forward-to-end-of-expr': Likewise
+;;; `cperl-invert-if-unless': Works in "the opposite way" too
+;;; Cursor position on return is on the switch-word
+;;; Indents comments better
+;;; `REx-interpolated': New text attribute
+;;; `cperl-next-interpolated-REx': New function
+;;; `cperl-next-interpolated-REx-0': Likewise
+;;; `cperl-next-interpolated-REx-1': Likewise
+;;; "\C-c\C-x", "\C-c\C-y", "\C-c\C-v": New keybinding for these functions
+;;; Perl/Regexp menu: 3 new entries for `cperl-next-interpolated-REx'
+;;; `cperl-praise': Mention finded interpolated RExen
+
+;;; After 5.19:
+;;; `cperl-init-faces': Highlight %$foo, @$foo too
+;;; `cperl-short-docs': Better docs for system, exec
+;;; `cperl-find-pods-heres': Better detect << after print {FH} <<EOF etc.
+;;; Would not find HERE-doc ended by EOF without NL
+;;; `cperl-short-docs': Correct not-doubled \-escapes
+;;; start block: Put some `defvar' for stuff gone from XEmacs
+
+;;; After 5.20:
+;;; initial comment: Extend copyright, fix email address
+;;; `cperl-indent-comment-at-column-0': New customization variable
+;;; `cperl-comment-indent': Indentation after $#a would increasy by 1
+;;; `cperl-mode': Make `defun-prompt-regexp' grok BEGIN/END etc
+;;; `cperl-find-pods-heres': Mark CODE of s///e as `syntax-type' `multiline'
+;;; `cperl-at-end-of-expr': Would fail if @BAR=12 follows after ";"
+;;; `cperl-init-faces': If `cperl-highlight-variables-indiscriminately'
+;;; highlight $ in $foo too (UNTESTED)
+;;; `cperl-set-style': Docstring missed some available styles
+;;; toplevel: Menubar/Perl/Indent-Styles had FSF, now K&R
+;;; Change "Current" to "Memorize Current"
+;;; `cperl-indent-wrt-brace': New customization variable; the default is
+;;; as for pre-5.2 version
+;;; `cperl-styles-entries': Keep `cperl-extra-newline-before-brace-multiline'
+;;; `cperl-style-alist': Likewise
+;;; `cperl-fix-line-spacing': Support `cperl-merge-trailing-else' being nil,
+;;; and `cperl-extra-newline-before-brace' etc
+;;; being t
+;;; `cperl-indent-exp': Plans B and C to find continuation blocks even
+;;; if `cperl-extra-newline-before-brace' is t
+
+;;; After 5.21:
+;;; Improve some docstrings concerning indentation.
+;;; `cperl-indent-rules-alist': New variable
+;;; `cperl-sniff-for-indent': New function name
+;; (separated from `cperl-calculate-indent')
+;;; `cperl-calculate-indent': Separated the sniffer and the indenter;
+;;; uses `cperl-sniff-for-indent' now
+;;; `cperl-comment-indent': Test for `cperl-indent-comment-at-column-0'
+;;; was inverted;
+;;; Support `comment-column' = 0
+
+;;; After 5.22:
+;;; `cperl-where-am-i': Remove function
+;;; `cperl-backward-to-noncomment': Would go too far when skipping POD/HEREs
+;;; `cperl-sniff-for-indent': [string] and [comment] were inverted
+;;; When looking for label, skip s:m:y:tr
+;;; `cperl-indent-line': Likewise.
+;;; `cperl-mode': `font-lock-multiline' was assumed auto-local
+;;; `cperl-windowed-init': Wrong `ps-print' handling
+;;; (both thanks to Chong Yidong)
+;;; `cperl-look-at-leading-count': Could fail with unfinished RExen
+;;; `cperl-find-pods-heres': If the second part of s()[] is missing,
+;;; could try to highlight delimiters...
;;; Code:
-
\f
(if (fboundp 'eval-when-compile)
(eval-when-compile
(defvar gud-perldb-history)
(defvar font-lock-background-mode) ; not in Emacs
(defvar font-lock-display-type) ; ditto
+ (defvar paren-backwards-message) ; Not in newer XEmacs?
+ (defvar vc-rcs-header) ; likewise?
+ (defvar vc-sccs-header) ; likewise?
(or (fboundp 'defgroup)
(defmacro defgroup (name val doc &rest arr)
nil))
:type 'integer
:group 'cperl-indentation-details)
+(defcustom cperl-indent-wrt-brace t
+ "*Non-nil means indent statements in if/etc block relative brace, not if/etc.
+Versions 5.2 ... 5.20 behaved as if this were `nil'."
+ :type 'boolean
+ :group 'cperl-indentation-details)
+
(defcustom cperl-auto-newline nil
"*Non-nil means automatically newline before and after braces,
and after colons and semicolons, inserted in CPerl code. The following
:type 'integer
:group 'cperl-indentation-details)
-(defcustom cperl-vc-header-alist '((SCCS "($sccs) = ('%W\%' =~ /(\\d+(\\.\\d+)+)/) ;")
- (RCS "($rcs) = (' $Id\$ ' =~ /(\\d+(\\.\\d+)+)/) ;"))
- "*What to use as `vc-header-alist' in CPerl."
+(defcustom cperl-indent-comment-at-column-0 nil
+ "*Non-nil means that comment started at column 0 should be indentable."
+ :type 'boolean
+ :group 'cperl-indentation-details)
+
+(defcustom cperl-vc-sccs-header '("($sccs) = ('%W\%' =~ /(\\d+(\\.\\d+)+)/) ;")
+ "*Special version of `vc-sccs-header' that is used in CPerl mode buffers."
+ :type '(repeat string)
+ :group 'cperl)
+
+(defcustom cperl-vc-rcs-header '("($rcs) = (' $Id\$ ' =~ /(\\d+(\\.\\d+)+)/);")
+ "*Special version of `vc-rcs-header' that is used in CPerl mode buffers."
+ :type '(repeat string)
+ :group 'cperl)
+
+;; This became obsolete...
+(defcustom cperl-vc-header-alist '()
+ "*What to use as `vc-header-alist' in CPerl.
+Obsolete, with newer Emacsen use `cperl-vc-rcs-header' or
+`cperl-vc-sccs-header' instead. If this list is empty, `vc-header-alist'
+will be reconstructed basing on these two variables."
:type '(repeat (list symbol string))
:group 'cperl)
:type 'face
:group 'cperl-faces)
-(defcustom cperl-invalid-face ''underline ; later evaluated by `font-lock'
- "*The result of evaluation of this expression highlights trailing whitespace."
+;;; Some double-evaluation happened with font-locks... Needed with 21.2...
+(defvar cperl-singly-quote-face cperl-xemacs-p)
+
+(defcustom cperl-invalid-face ; Does not customize with '' on XEmacs
+ (if cperl-singly-quote-face
+ 'underline ''underline) ; On older Emacsen was evaluated by `font-lock'
+ (if cperl-singly-quote-face
+ "*This face is used for highlighting trailing whitespace."
+ "*The result of evaluation of this expression highlights trailing whitespace.")
:type 'face
:group 'cperl-faces)
(defcustom cperl-regexp-scan t
"*Not-nil means make marking of regular expression more thorough.
-Effective only with `cperl-pod-here-scan'. Not implemented yet."
+Effective only with `cperl-pod-here-scan'."
+ :type 'boolean
+ :group 'cperl-speed)
+
+(defcustom cperl-hook-after-change t
+ "*Not-nil means install hook to know which regions of buffer are changed.
+May significantly speed up delayed fontification. Changes take effect
+after reload."
:type 'boolean
:group 'cperl-speed)
:type 'boolean
:group 'cperl-speed)
+(defcustom cperl-syntaxify-for-menu
+ t
+ "*Non-nil means that CPerl syntaxifies up to the point before showing menu.
+This way enabling/disabling of menu items is more correct."
+ :type 'boolean
+ :group 'cperl-speed)
+
(defcustom cperl-ps-print-face-properties
'((font-lock-keyword-face nil nil bold shadow)
(font-lock-variable-name-face nil nil bold)
(font-lock-string-face nil nil italic underline)
(cperl-nonoverridable-face nil nil italic underline)
(font-lock-type-face nil nil underline)
+ (font-lock-warning-face nil "LightGray" bold italic box)
(underline nil "LightGray" strikeout))
"List given as an argument to `ps-extend-face-list' in `cperl-ps-print'."
:type '(repeat (cons symbol
(defvar cperl-tips 'please-ignore-this-line
"Get maybe newer version of this package from
- ftp://ftp.math.ohio-state.edu/pub/users/ilya/emacs
-and/or
- ftp://ftp.math.ohio-state.edu/pub/users/ilya/perl
+ http://ilyaz.org/software/emacs
Subdirectory `cperl-mode' may contain yet newer development releases and/or
patches to related files.
For best results apply to an older Emacs the patches from
ftp://ftp.math.ohio-state.edu/pub/users/ilya/cperl-mode/patches
-\(this upgrades syntax-parsing abilities of RMS Emaxen v19.34 and
+\(this upgrades syntax-parsing abilities of RMS Emaxen v19.34 and
v20.2 up to the level of RMS Emacs v20.3 - a must for a good Perl
mode.) As of beginning of 2003, XEmacs may provide a similar ability.
(defalias 'perl-mode 'cperl-mode)
Get perl5-info from
- $CPAN/doc/manual/info/perl-info.tar.gz
-older version was on
- http://www.metronet.com:70/9/perlinfo/perl5/manual/perl5-info.tar.gz
+ $CPAN/doc/manual/info/perl5-old/perl5-info.tar.gz
+Also, one can generate a newer documentation running `pod2texi' converter
+ $CPAN/doc/manual/info/perl5/pod2texi-0.1.tar.gz
If you use imenu-go, run imenu on perl5-info buffer (you can do it
from Perl menu). If many files are related, generate TAGS files from
"Description of problems in CPerl mode.
Some faces will not be shown on some versions of Emacs unless you
install choose-color.el, available from
- ftp://ftp.math.ohio-state.edu/pub/users/ilya/emacs/
+ http://ilyaz.org/software/emacs
`fill-paragraph' on a comment may leave the point behind the
-paragraph. Parsing of lines with several <<EOF is not implemented
-yet.
+paragraph. It also triggers a bug in some versions of Emacs (CPerl tries
+to detect it and bulk out).
+
+See documentation of a variable `cperl-problems-old-emaxen' for the
+problems which disappear if you upgrade Emacs to a reasonably new
+version (20.3 for RMS Emacs, and those of 2004 for XEmacs).")
+
+(defvar cperl-problems-old-emaxen 'please-ignore-this-line
+ "Description of problems in CPerl mode specific for older Emacs versions.
Emacs had a _very_ restricted syntax parsing engine until RMS's Emacs
20.1. Most problems below are corrected starting from this version of
via `cperl-use-syntax-table-text-property'.")
(defvar cperl-non-problems 'please-ignore-this-line
-"As you know from `problems' section, Perl syntax is too hard for CPerl on
+"As you know from `problems' section, Perl syntax is too hard for CPerl on
older Emacsen. Here is what you can do if you cannot upgrade, or if
you want to switch off these capabilities on RMS Emacs 20.2 (+patches) or 20.3
or better. Please skip this docs if you run a capable Emacs already.
Imenu in 19.31 is broken. Set `imenu-use-keymap-menu' to t, and remove
`car' before `imenu-choose-buffer-index' in `imenu'.
-`imenu-add-to-menubar' in 20.2 is broken.
+`imenu-add-to-menubar' in 20.2 is broken.
A lot of things on XEmacs may be broken too, judging by bug reports I
receive. Note that some releases of XEmacs are better than the others
as far as bugs reports I see are concerned.")
o) Highlights trailing whitespace;
p) Is able to manipulate Perl Regular Expressions to ease
conversion to a more readable form.
+ q) Can ispell POD sections and HERE-DOCs.
+ r) Understands comments and character classes inside regular
+ expressions; can find matching () and [] in a regular expression.
+ s) Allows indentation of //x-style regular expressions;
+ t) Highlights different symbols in regular expressions according
+ to their function; much less problems with backslashitis;
+ u) Allows to find regular expressions which contain interpolated parts.
5) The indentation engine was very smart, but most of tricks may be
not needed anymore with the support for `syntax-table' property. Has
line-breaks/spacing between elements of the construct.
10) Uses a linear-time algorith for indentation of regions (on Emaxen with
-capable syntax engines).")
+capable syntax engines).
+
+11) Syntax-highlight, indentation, sexp-recognition inside regular expressions.
+")
(defvar cperl-speed 'please-ignore-this-line
"This is an incomplete compendium of what is available in other parts
syntaxically to be not code
`font-lock-constant-face' HERE-doc delimiters, labels, delimiters of
2-arg operators s/y/tr/ or of RExen,
- `font-lock-function-name-face' Special-cased m// and s//foo/, _ as
- a target of a file tests, file tests,
+ `font-lock-warning-face' Special-cased m// and s//foo/,
+ `font-lock-function-name-face' _ as a target of a file tests, file tests,
subroutine names at the moment of definition
(except those conflicting with Perl operators),
package names (when recognized), format names
Help with best setup of these faces for printout requested (for each of
the faces: please specify bold, italic, underline, shadow and box.)
-\(Not finished.)")
+In regular expressions (except character classes):
+ `font-lock-string-face' \"Normal\" stuff and non-0-length constructs
+ `font-lock-constant-face': Delimiters
+ `font-lock-warning-face' Special-cased m// and s//foo/,
+ Mismatched closing delimiters, parens
+ we couldn't match, misplaced quantifiers,
+ unrecognized escape sequences
+ `cperl-nonoverridable-face' Modifiers, as gism in m/REx/gism
+ `font-lock-type-face' POSIX classes inside charclasses,
+ escape sequences with arguments (\x \23 \p \N)
+ and others match-a-char escape sequences
+ `font-lock-keyword-face' Capturing parens, and |
+ `font-lock-function-name-face' Special symbols: $ ^ . [ ] [^ ] (?{ }) (??{ })
+ `font-lock-builtin-face' \"Remaining\" 0-length constructs, executable
+ parts of a REx, not-capturing parens
+ `font-lock-variable-name-face' Interpolated constructs, embedded code
+ `font-lock-comment-face' Embedded comments
+
+")
\f
(cperl-hairy (or hairy t))
(t (symbol-value symbol))))
\f
+
+(defun cperl-make-indent (column &optional minimum keep)
+ "Makes indent of the current line the requested amount.
+Unless KEEP, removes the old indentation. Works around a bug in ancient
+versions of Emacs."
+ (let ((prop (get-text-property (point) 'syntax-type)))
+ (or keep
+ (delete-horizontal-space))
+ (indent-to column minimum)
+ ;; In old versions (e.g., 19.33) `indent-to' would not inherit properties
+ (and prop
+ (> (current-column) 0)
+ (save-excursion
+ (beginning-of-line)
+ (or (get-text-property (point) 'syntax-type)
+ (and (looking-at "\\=[ \t]")
+ (put-text-property (point) (match-end 0)
+ 'syntax-type prop)))))))
+
;;; Probably it is too late to set these guys already, but it can help later:
(and cperl-clobber-mode-lists
(cperl-define-key "\C-c\C-w" 'cperl-toggle-construct-fix)
(cperl-define-key "\C-c\C-f" 'auto-fill-mode)
(cperl-define-key "\C-c\C-e" 'cperl-toggle-electric)
+ (cperl-define-key "\C-c\C-b" 'cperl-find-bad-style)
+ (cperl-define-key "\C-c\C-p" 'cperl-pod-spell)
+ (cperl-define-key "\C-c\C-d" 'cperl-here-doc-spell)
+ (cperl-define-key "\C-c\C-n" 'cperl-narrow-to-here-doc)
+ (cperl-define-key "\C-c\C-v" 'cperl-next-interpolated-REx)
+ (cperl-define-key "\C-c\C-x" 'cperl-next-interpolated-REx-0)
+ (cperl-define-key "\C-c\C-y" 'cperl-next-interpolated-REx-1)
(cperl-define-key "\C-c\C-ha" 'cperl-toggle-autohelp)
+ (cperl-define-key "\C-c\C-hp" 'cperl-perldoc)
+ (cperl-define-key "\C-c\C-hP" 'cperl-perldoc-at-point)
(cperl-define-key "\e\C-q" 'cperl-indent-exp) ; Usually not bound
(cperl-define-key [?\C-\M-\|] 'cperl-lineup
[(control meta |)])
(<= emacs-minor-version 11) (<= emacs-major-version 19))
(progn
;; substitute-key-definition is usefulness-deenhanced...
- (cperl-define-key "\M-q" 'cperl-fill-paragraph)
+ ;;;;;(cperl-define-key "\M-q" 'cperl-fill-paragraph)
(cperl-define-key "\e;" 'cperl-indent-for-comment)
(cperl-define-key "\e\C-\\" 'cperl-indent-region))
+ (or (boundp 'fill-paragraph-function)
+ (substitute-key-definition
+ 'fill-paragraph 'cperl-fill-paragraph
+ cperl-mode-map global-map))
(substitute-key-definition
'indent-sexp 'cperl-indent-exp
cperl-mode-map global-map)
(substitute-key-definition
- 'fill-paragraph 'cperl-fill-paragraph
- cperl-mode-map global-map)
- (substitute-key-definition
'indent-region 'cperl-indent-region
cperl-mode-map global-map)
(substitute-key-definition
["Contract a group" cperl-contract-level
cperl-use-syntax-table-text-property]
["Contract groups" cperl-contract-levels
- cperl-use-syntax-table-text-property])
+ cperl-use-syntax-table-text-property]
+ "----"
+ ["Find next interpolated" cperl-next-interpolated-REx
+ (next-single-property-change (point-min) 'REx-interpolated)]
+ ["Find next interpolated (no //o)"
+ cperl-next-interpolated-REx-0
+ (or (text-property-any (point-min) (point-max) 'REx-interpolated t)
+ (text-property-any (point-min) (point-max) 'REx-interpolated 1))]
+ ["Find next interpolated (neither //o nor whole-REx)"
+ cperl-next-interpolated-REx-1
+ (text-property-any (point-min) (point-max) 'REx-interpolated t)])
+ ["Insert spaces if needed to fix style" cperl-find-bad-style t]
["Refresh \"hard\" constructions" cperl-find-pods-heres t]
"----"
["Indent region" cperl-indent-region (cperl-use-region-p)]
"----"
("Tools"
["Imenu" imenu (fboundp 'imenu)]
- ["Insert spaces if needed" cperl-find-bad-style t]
+ ["Imenu on Perl Info" cperl-imenu-on-info (featurep 'imenu)]
+ "----"
+ ["Ispell PODs" cperl-pod-spell
+ ;; Better not to update syntaxification here:
+ ;; debugging syntaxificatio can be broken by this???
+ (or
+ (get-text-property (point-min) 'in-pod)
+ (< (progn
+ (and cperl-syntaxify-for-menu
+ (cperl-update-syntaxification (point-max) (point-max)))
+ (next-single-property-change (point-min) 'in-pod nil (point-max)))
+ (point-max)))]
+ ["Ispell HERE-DOCs" cperl-here-doc-spell
+ (< (progn
+ (and cperl-syntaxify-for-menu
+ (cperl-update-syntaxification (point-max) (point-max)))
+ (next-single-property-change (point-min) 'here-doc-group nil (point-max)))
+ (point-max))]
+ ["Narrow to this HERE-DOC" cperl-narrow-to-here-doc
+ (eq 'here-doc (progn
+ (and cperl-syntaxify-for-menu
+ (cperl-update-syntaxification (point) (point)))
+ (get-text-property (point) 'syntax-type)))]
+ ["Select this HERE-DOC or POD section"
+ cperl-select-this-pod-or-here-doc
+ (memq (progn
+ (and cperl-syntaxify-for-menu
+ (cperl-update-syntaxification (point) (point)))
+ (get-text-property (point) 'syntax-type))
+ '(here-doc pod))]
+ "----"
+ ["CPerl pretty print (exprmntl)" cperl-ps-print
+ (fboundp 'ps-extend-face-list)]
+ "----"
+ ["Syntaxify region" cperl-find-pods-heres-region
+ (cperl-use-region-p)]
+ ["Profile syntaxification" cperl-time-fontification t]
+ ["Debug errors in delayed fontification" cperl-emulate-lazy-lock t]
+ ["Debug unwind for syntactic scan" cperl-toggle-set-debug-unwind t]
+ ["Debug backtrace on syntactic scan (BEWARE!!!)"
+ (cperl-toggle-set-debug-unwind nil t) t]
+ "----"
["Class Hierarchy from TAGS" cperl-tags-hier-init t]
;;["Update classes" (cperl-tags-hier-init t) tags-table-list]
- ["CPerl pretty print (exprmntl)" cperl-ps-print
- (fboundp 'ps-extend-face-list)]
- ["Imenu on info" cperl-imenu-on-info (featurep 'imenu)]
("Tags"
;;; ["Create tags for current file" cperl-etags t]
;;; ["Add tags for current file" (cperl-etags t) t]
["Add tags for Perl files in (sub)directories"
(cperl-write-tags nil nil t t) t]))
("Perl docs"
- ["Define word at point" imenu-go-find-at-position
+ ["Define word at point" imenu-go-find-at-position
(fboundp 'imenu-go-find-at-position)]
["Help on function" cperl-info-on-command t]
["Help on function at point" cperl-info-on-current-command t]
["Perldoc" cperl-perldoc t]
["Perldoc on word at point" cperl-perldoc-at-point t]
["View manpage of POD in this file" cperl-build-manpage t]
- ["Auto-help on" cperl-lazy-install
+ ["Auto-help on" cperl-lazy-install
(and (fboundp 'run-with-idle-timer)
(not cperl-lazy-installed))]
["Auto-help off" cperl-lazy-unstall
["Electric keywords" cperl-toggle-abbrev t]
["Fix whitespace on indent" cperl-toggle-construct-fix t]
["Auto-help on Perl constructs" cperl-toggle-autohelp t]
- ["Auto fill" auto-fill-mode t])
+ ["Auto fill" auto-fill-mode t])
("Indent styles..."
["CPerl" (cperl-set-style "CPerl") t]
["PerlStyle" (cperl-set-style "PerlStyle") t]
["GNU" (cperl-set-style "GNU") t]
["C++" (cperl-set-style "C++") t]
- ["FSF" (cperl-set-style "FSF") t]
+ ["K&R" (cperl-set-style "K&R") t]
["BSD" (cperl-set-style "BSD") t]
["Whitesmith" (cperl-set-style "Whitesmith") t]
- ["Current" (cperl-set-style "Current") t]
+ ["Memorize Current" (cperl-set-style "Current") t]
["Memorized" (cperl-set-style-back) cperl-old-style])
("Micro-docs"
["Tips" (describe-variable 'cperl-tips) t]
["Praise" (describe-variable 'cperl-praise) t]
["Faces" (describe-variable 'cperl-tips-faces) t]
["CPerl mode" (describe-function 'cperl-mode) t]
- ["CPerl version"
- (message "The version of master-file for this CPerl is %s"
+ ["CPerl version"
+ (message "The version of master-file for this CPerl is %s"
cperl-version) t]))))
(error nil))
The expansion is entirely correct because it uses the C preprocessor."
t)
+;;; These two must be unwound, otherwise take exponential time
+(defconst cperl-maybe-white-and-comment-rex "[ \t\n]*\\(#[^\n]*\n[ \t\n]*\\)*"
+"Regular expression to match optional whitespace with interpspersed comments.
+Should contain exactly one group.")
+
+;;; This one is tricky to unwind; still very inefficient...
+(defconst cperl-white-and-comment-rex "\\([ \t\n]\\|#[^\n]*\n\\)+"
+"Regular expression to match whitespace with interpspersed comments.
+Should contain exactly one group.")
+
+
+;;; Is incorporated in `cperl-imenu--function-name-regexp-perl'
+;;; `cperl-outline-regexp', `defun-prompt-regexp'.
+;;; Details of groups in this may be used in several functions; see comments
+;;; near mentioned above variable(s)...
+;;; sub($$):lvalue{} sub:lvalue{} Both allowed...
+(defsubst cperl-after-sub-regexp (named attr) ; 9 groups without attr...
+ "Match the text after `sub' in a subroutine declaration.
+If NAMED is nil, allows anonymous subroutines. Matches up to the first \":\"
+of attributes (if present), or end of the name or prototype (whatever is
+the last)."
+ (concat ; Assume n groups before this...
+ "\\(" ; n+1=name-group
+ cperl-white-and-comment-rex ; n+2=pre-name
+ "\\(::[a-zA-Z_0-9:']+\\|[a-zA-Z_'][a-zA-Z_0-9:']*\\)" ; n+3=name
+ "\\)" ; END n+1=name-group
+ (if named "" "?")
+ "\\(" ; n+4=proto-group
+ cperl-maybe-white-and-comment-rex ; n+5=pre-proto
+ "\\(([^()]*)\\)" ; n+6=prototype
+ "\\)?" ; END n+4=proto-group
+ "\\(" ; n+7=attr-group
+ cperl-maybe-white-and-comment-rex ; n+8=pre-attr
+ "\\(" ; n+9=start-attr
+ ":"
+ (if attr (concat
+ "\\("
+ cperl-maybe-white-and-comment-rex ; whitespace-comments
+ "\\(\\sw\\|_\\)+" ; attr-name
+ ;; attr-arg (1 level of internal parens allowed!)
+ "\\((\\(\\\\.\\|[^\\\\()]\\|([^\\\\()]*)\\)*)\\)?"
+ "\\(" ; optional : (XXX allows trailing???)
+ cperl-maybe-white-and-comment-rex ; whitespace-comments
+ ":\\)?"
+ "\\)+")
+ "[^:]")
+ "\\)"
+ "\\)?" ; END n+6=proto-group
+ ))
+
+;;; Details of groups in this are used in `cperl-imenu--create-perl-index'
+;;; and `cperl-outline-level'.
+;;;; Was: 2=sub|package; now 2=package-group, 5=package-name 8=sub-name (+3)
(defvar cperl-imenu--function-name-regexp-perl
(concat
- "^\\("
- "[ \t]*\\(sub\\|package\\)[ \t\n]+\\([a-zA-Z_0-9:']+\\)[ \t]*\\(([^()]*)[ \t]*\\)?"
+ "^\\(" ; 1 = all
+ "\\([ \t]*package" ; 2 = package-group
+ "\\(" ; 3 = package-name-group
+ cperl-white-and-comment-rex ; 4 = pre-package-name
+ "\\([a-zA-Z_0-9:']+\\)\\)?\\)" ; 5 = package-name
+ "\\|"
+ "[ \t]*sub"
+ (cperl-after-sub-regexp 'named nil) ; 8=name 11=proto 14=attr-start
+ cperl-maybe-white-and-comment-rex ; 15=pre-block
"\\|"
- "=head\\([12]\\)[ \t]+\\([^\n]+\\)$"
+ "=head\\([1-4]\\)[ \t]+" ; 16=level
+ "\\([^\n]+\\)$" ; 17=text
"\\)"))
(defvar cperl-outline-regexp
(defvar cperl-string-syntax-table nil
"Syntax table in use in CPerl mode string-like chunks.")
+(defsubst cperl-1- (p)
+ (max (point-min) (1- p)))
+
+(defsubst cperl-1+ (p)
+ (min (point-max) (1+ p)))
+
(if cperl-mode-syntax-table
()
(setq cperl-mode-syntax-table (make-syntax-table))
(modify-syntax-entry ?| "." cperl-mode-syntax-table)
(setq cperl-string-syntax-table (copy-syntax-table cperl-mode-syntax-table))
(modify-syntax-entry ?$ "." cperl-string-syntax-table)
+ (modify-syntax-entry ?\{ "." cperl-string-syntax-table)
+ (modify-syntax-entry ?\} "." cperl-string-syntax-table)
(modify-syntax-entry ?# "." cperl-string-syntax-table)) ; (?# comment )
(funcall f 'cperl-font-lock-keywords-2 'perl-font-lock-keywords-2)))
(defvar cperl-use-major-mode 'perl-mode)
+(defvar cperl-font-lock-multiline-start nil)
+(defvar cperl-font-lock-multiline nil)
+(defvar cperl-compilation-error-regexp-alist nil)
+(defvar cperl-font-locking nil)
;;;###autoload
(defun cperl-mode ()
`cperl-min-label-indent'
Minimal indentation for line that is a label.
-Settings for K&R and BSD indentation styles are
- `cperl-indent-level' 5 8
- `cperl-continued-statement-offset' 5 8
- `cperl-brace-offset' -5 -8
- `cperl-label-offset' -5 -8
+Settings for classic indent-styles: K&R BSD=C++ GNU PerlStyle=Whitesmith
+ `cperl-indent-level' 5 4 2 4
+ `cperl-brace-offset' 0 0 0 0
+ `cperl-continued-brace-offset' -5 -4 0 0
+ `cperl-label-offset' -5 -4 -2 -4
+ `cperl-continued-statement-offset' 5 4 2 4
CPerl knows several indentation styles, and may bulk set the
corresponding variables. Use \\[cperl-set-style] to do this. Use
\\[cperl-set-style-back] to restore the memorized preexisting values
-\(both available from menu).
+\(both available from menu). See examples in `cperl-style-examples'.
+
+Part of the indentation style is how different parts of if/elsif/else
+statements are broken into lines; in CPerl, this is reflected on how
+templates for these constructs are created (controlled by
+`cperl-extra-newline-before-brace'), and how reflow-logic should treat \"continuation\" blocks of else/elsif/continue, controlled by the same variable,
+and by `cperl-extra-newline-before-brace-multiline',
+`cperl-merge-trailing-else', `cperl-indent-region-fix-constructs'.
If `cperl-indent-level' is 0, the statement after opening brace in
column 0 is indented on
("head2" "head2" cperl-electric-pod 0)))
(setq abbrevs-changed prev-a-c)))
(setq local-abbrev-table cperl-mode-abbrev-table)
- (abbrev-mode (if (cperl-val 'cperl-electric-keywords) 1 0))
+ (if (cperl-val 'cperl-electric-keywords)
+ (abbrev-mode 1))
(set-syntax-table cperl-mode-syntax-table)
+ ;; Until Emacs is multi-threaded, we do not actually need it local:
+ (make-local-variable 'cperl-font-lock-multiline-start)
+ (make-local-variable 'cperl-font-locking)
(make-local-variable 'outline-regexp)
;; (setq outline-regexp imenu-example--function-name-regexp-perl)
(setq outline-regexp cperl-outline-regexp)
(setq paragraph-separate paragraph-start)
(make-local-variable 'paragraph-ignore-fill-prefix)
(setq paragraph-ignore-fill-prefix t)
+ (if cperl-xemacs-p
+ (progn
+ (make-local-variable 'paren-backwards-message)
+ (set 'paren-backwards-message t)))
(make-local-variable 'indent-line-function)
(setq indent-line-function 'cperl-indent-line)
(make-local-variable 'require-final-newline)
(make-local-variable 'comment-start-skip)
(setq comment-start-skip "#+ *")
(make-local-variable 'defun-prompt-regexp)
- (setq defun-prompt-regexp "^[ \t]*sub[ \t]+\\([^ \t\n{(;]+\\)\\([ \t]*([^()]*)[ \t]*\\)?[ \t]*")
+;;; "[ \t]*sub"
+;;; (cperl-after-sub-regexp 'named nil) ; 8=name 11=proto 14=attr-start
+;;; cperl-maybe-white-and-comment-rex ; 15=pre-block
+ (setq defun-prompt-regexp
+ (concat "[ \t]*\\(sub"
+ (cperl-after-sub-regexp 'named 'attr-groups)
+ "\\|" ; per toke.c
+ "\\(BEGIN\\|CHECK\\|INIT\\|END\\|AUTOLOAD\\|DESTROY\\)"
+ "\\)"
+ cperl-maybe-white-and-comment-rex))
(make-local-variable 'comment-indent-function)
(setq comment-indent-function 'cperl-comment-indent)
+ (and (boundp 'fill-paragraph-function)
+ (progn
+ (make-local-variable 'fill-paragraph-function)
+ (set 'fill-paragraph-function 'cperl-fill-paragraph)))
(make-local-variable 'parse-sexp-ignore-comments)
(setq parse-sexp-ignore-comments t)
(make-local-variable 'indent-region-function)
(function cperl-imenu--create-perl-index))
(make-local-variable 'imenu-sort-function)
(setq imenu-sort-function nil)
+ (make-local-variable 'vc-rcs-header)
+ (set 'vc-rcs-header cperl-vc-rcs-header)
+ (make-local-variable 'vc-sccs-header)
+ (set 'vc-sccs-header cperl-vc-sccs-header)
+ ;; This one is obsolete...
(make-local-variable 'vc-header-alist)
- (set 'vc-header-alist cperl-vc-header-alist) ; Avoid warning
+ (set 'vc-header-alist (or cperl-vc-header-alist ; Avoid warning
+ (` ((SCCS (, (car cperl-vc-sccs-header)))
+ (RCS (, (car cperl-vc-rcs-header)))))))
+ (cond ((boundp 'compilation-error-regexp-alist-alist);; xemacs 20.x
+ (make-local-variable 'compilation-error-regexp-alist-alist)
+ (set 'compilation-error-regexp-alist-alist
+ (cons (cons 'cperl cperl-compilation-error-regexp-alist)
+ (symbol-value 'compilation-error-regexp-alist-alist)))
+ (let ((f 'compilation-build-compilation-error-regexp-alist))
+ (funcall f)))
+ ((boundp 'compilation-error-regexp-alist);; xmeacs 19.x
+ (make-local-variable 'compilation-error-regexp-alist)
+ (set 'compilation-error-regexp-alist
+ (cons cperl-compilation-error-regexp-alist
+ (symbol-value 'compilation-error-regexp-alist)))))
(make-local-variable 'font-lock-defaults)
(setq font-lock-defaults
(cond
((string< emacs-version "19.30")
- '(perl-font-lock-keywords-2))
+ '(perl-font-lock-keywords-2 nil nil ((?_ . "w"))))
((string< emacs-version "19.33") ; Which one to use?
'((perl-font-lock-keywords
perl-font-lock-keywords-1
- perl-font-lock-keywords-2)))
+ perl-font-lock-keywords-2) nil nil ((?_ . "w"))))
(t
'((cperl-load-font-lock-keywords
cperl-load-font-lock-keywords-1
- cperl-load-font-lock-keywords-2)))))
+ cperl-load-font-lock-keywords-2) nil nil ((?_ . "w"))))))
(make-local-variable 'cperl-syntax-state)
+ (setq cperl-syntax-state nil) ; reset syntaxification cache
(if cperl-use-syntax-table-text-property
(progn
(make-local-variable 'parse-sexp-lookup-properties)
(or (boundp 'font-lock-unfontify-region-function)
(set 'font-lock-unfontify-region-function
'font-lock-default-unfontify-region))
- (make-local-variable 'font-lock-unfontify-region-function)
- (set 'font-lock-unfontify-region-function ; not present with old Emacs
- 'cperl-font-lock-unfontify-region-function)
+ (unless cperl-xemacs-p ; Our: just a plug for wrong font-lock
+ (make-local-variable 'font-lock-unfontify-region-function)
+ (set 'font-lock-unfontify-region-function ; not present with old Emacs
+ 'cperl-font-lock-unfontify-region-function))
(make-local-variable 'cperl-syntax-done-to)
+ (setq cperl-syntax-done-to nil) ; reset syntaxification cache
;; Another bug: unless font-lock-syntactic-keywords, font-lock
;; ignores syntax-table text-property. (t) is a hack
;; to make font-lock think that font-lock-syntactic-keywords
(if cperl-syntaxify-by-font-lock
'(t (cperl-fontify-syntaxically))
'(t)))))
+ (if (boundp 'font-lock-multiline) ; Newer font-lock; use its facilities
+ (progn
+ (setq cperl-font-lock-multiline t) ; Not localized...
+ (set (make-local-variable 'font-lock-multiline) t))
+ (make-local-variable 'font-lock-fontify-region-function)
+ (set 'font-lock-fontify-region-function ; not present with old Emacs
+ 'cperl-font-lock-fontify-region-function))
+ (make-local-variable 'font-lock-fontify-region-function)
+ (set 'font-lock-fontify-region-function ; not present with old Emacs
+ 'cperl-font-lock-fontify-region-function)
(make-local-variable 'cperl-old-style)
(if (boundp 'normal-auto-fill-function) ; 19.33 and later
(set (make-local-variable 'normal-auto-fill-function)
(if (cperl-val 'cperl-font-lock)
(progn (or cperl-faces-init (cperl-init-faces))
(font-lock-mode 1))))
+ (set (make-local-variable 'facemenu-add-face-function)
+ 'cperl-facemenu-add-face-function) ; XXXX What this guy is for???
(and (boundp 'msb-menu-cond)
(not cperl-msb-fixed)
(cperl-msb-fix))
(if (featurep 'easymenu)
(easy-menu-add cperl-menu)) ; A NOP in RMS Emacs.
(run-hooks 'cperl-mode-hook)
+ (if cperl-hook-after-change
+ (progn
+ (make-local-hook 'after-change-functions)
+ (add-hook 'after-change-functions 'cperl-after-change-function nil t)))
;; After hooks since fontification will break this
(if cperl-pod-here-scan
(or cperl-syntaxify-by-font-lock
(defvar cperl-st-ket '(5 . ?\<))
-(defun cperl-comment-indent ()
+(defun cperl-comment-indent () ; called at point at supposed comment
(let ((p (point)) (c (current-column)) was phony)
- (if (looking-at "^#") 0 ; Existing comment at bol stays there.
+ (if (and (not cperl-indent-comment-at-column-0)
+ (looking-at "^#"))
+ 0 ; Existing comment at bol stays there.
;; Wrong comment found
(save-excursion
(setq was (cperl-to-comment-or-eol)
phony (eq (get-text-property (point) 'syntax-table)
cperl-st-cfence))
(if phony
- (progn
+ (progn ; Too naive???
(re-search-forward "#\\|$") ; Hmm, what about embedded #?
(if (eq (preceding-char) ?\#)
(forward-char -1))
(setq was nil)))
- (if (= (point) p)
+ (if (= (point) p) ; Our caller found a correct place
(progn
(skip-chars-backward " \t")
- (max (1+ (current-column)) ; Else indent at comment column
- comment-column))
+ (setq was (current-column))
+ (if (eq was 0)
+ comment-column
+ (max (1+ was) ; Else indent at comment column
+ comment-column)))
+ ;; No, the caller found a random place; we need to edit ourselves
(if was nil
(insert comment-start)
(backward-char (length comment-start)))
(setq cperl-wrong-comment t)
- (indent-to comment-column 1) ; Indent minimum 1
- c))))) ; except leave at least one space.
+ (cperl-make-indent comment-column 1) ; Indent min 1
+ c)))))
;;;(defun cperl-comment-indent-fallback ()
;;; "Is called if the standard comment-search procedure fails.
(interactive)
(let (cperl-wrong-comment)
(indent-for-comment)
- (if cperl-wrong-comment
+ (if cperl-wrong-comment ; set by `cperl-comment-indent'
(progn (cperl-to-comment-or-eol)
(forward-char (length comment-start))))))
(not (eq (get-text-property (point)
'syntax-type)
'pod))))))
- (save-excursion (forward-sexp -1)
+ (save-excursion (forward-sexp -1)
(not (memq (following-char) (append "$@%&*" nil))))
(progn
(and (eq (preceding-char) ?y)
(or
(get-text-property (point) 'in-pod)
(cperl-after-expr-p nil "{;:")
- (and (re-search-backward
- ;; "\\(\\`\n?\\|\n\n\\)=\\sw+"
- "\\(\\`\n?\\|^\n\\)=\\sw+"
- (point-min) t)
- (not (or
- (looking-at "=cut")
- (and cperl-use-syntax-table-text-property
- (not (eq (get-text-property (point) 'syntax-type)
- 'pod)))))))))
+ (and (re-search-backward "\\(\\`\n?\\|^\n\\)=\\sw+" (point-min) t)
+ (not (looking-at "\n*=cut"))
+ (or (not cperl-use-syntax-table-text-property)
+ (eq (get-text-property (point) 'syntax-type) 'pod))))))
(progn
(save-excursion
(setq notlast (re-search-forward "^\n=" nil t)))
(backward-delete-char-untabify arg)
(delete-backward-char arg)))))
-(defun cperl-inside-parens-p ()
+(defun cperl-inside-parens-p () ;; NOT USED????
(condition-case ()
(save-excursion
(save-restriction
(t
(skip-chars-forward " \t")
(if (listp indent) (setq indent (car indent)))
- (cond ((looking-at "[A-Za-z_][A-Za-z_0-9]*:[^:]")
+ (cond ((and (looking-at "[A-Za-z_][A-Za-z_0-9]*:[^:]")
+ (not (looking-at "[smy]:\\|tr:")))
(and (> indent 0)
(setq indent (max cperl-min-label-indent
(+ indent cperl-label-offset)))))
(zerop shift-amt))
(if (> (- (point-max) pos) (point))
(goto-char (- (point-max) pos)))
- (delete-region beg (point))
- (indent-to indent)
+ ;;;(delete-region beg (point))
+ ;;;(indent-to indent)
+ (cperl-make-indent indent)
;; If initial point was within line's indentation,
;; position after the indentation. Else stay at same point in text.
(if (> (- (point-max) pos) (point))
(or state (setq state (parse-partial-sexp start start-point -1 nil start-state)))
(list start state depth prestart))))
-(defun cperl-block-p () ; Do not C-M-q ! One string contains ";" !
- ;; Positions is before ?\{. Checks whether it starts a block.
- ;; No save-excursion!
- (cperl-backward-to-noncomment (point-min))
- (or (memq (preceding-char) (append ";){}$@&%\C-@" nil)) ; Or label! \C-@ at bobp
- ; Label may be mixed up with `$blah :'
- (save-excursion (cperl-after-label))
- (and (memq (char-syntax (preceding-char)) '(?w ?_))
- (progn
- (backward-sexp)
- ;; Need take into account `bless', `return', `tr',...
- (or (and (looking-at "[a-zA-Z0-9_:]+[ \t\n\f]*[{#]") ; Method call syntax
- (not (looking-at "\\(bless\\|return\\|q[wqrx]?\\|tr\\|[smy]\\)\\>")))
- (progn
- (skip-chars-backward " \t\n\f")
- (and (memq (char-syntax (preceding-char)) '(?w ?_))
- (progn
- (backward-sexp)
- (looking-at
- "sub[ \t]+[a-zA-Z0-9_:]+[ \t\n\f]*\\(([^()]*)[ \t\n\f]*\\)?[#{]")))))))))
-
(defvar cperl-look-for-prop '((pod in-pod) (here-doc-delim here-doc-group)))
-(defun cperl-calculate-indent (&optional parse-data) ; was parse-start
- "Return appropriate indentation for current line as Perl code.
-In usual case returns an integer: the column to indent to.
-Returns nil if line starts inside a string, t if in a comment.
-
-Will not correct the indentation for labels, but will correct it for braces
-and closing parentheses and brackets."
+(defun cperl-beginning-of-property (p prop &optional lim)
+ "Given that P has a property PROP, find where the property starts.
+Will not look before LIM."
+ ;;; XXXX What to do at point-max???
+ (or (previous-single-property-change (cperl-1+ p) prop lim)
+ (point-min))
+;;; (cond ((eq p (point-min))
+;;; p)
+;;; ((and lim (<= p lim))
+;;; p)
+;;; ((not (get-text-property (1- p) prop))
+;;; p)
+;;; (t (or (previous-single-property-change p look-prop lim)
+;;; (point-min))))
+ )
+
+(defun cperl-sniff-for-indent (&optional parse-data) ; was parse-start
+ ;; Old workhorse for calculation of indentation; the major problem
+ ;; is that it mixes the sniffer logic to understand what the current line
+ ;; MEANS with the logic to actually calculate where to indent it.
+ ;; The latter part should be eventually moved to `cperl-calculate-indent';
+ ;; actually, this is mostly done now...
(cperl-update-syntaxification (point) (point))
- (save-excursion
- (if (or
- (and (memq (get-text-property (point) 'syntax-type)
- '(pod here-doc here-doc-delim format))
- (not (get-text-property (point) 'indentable)))
- ;; before start of POD - whitespace found since do not have 'pod!
- (and (looking-at "[ \t]*\n=")
- (error "Spaces before POD section!"))
- (and (not cperl-indent-left-aligned-comments)
- (looking-at "^#")))
- nil
- (beginning-of-line)
- (let ((indent-point (point))
- (char-after (save-excursion
- (skip-chars-forward " \t")
- (following-char)))
- (in-pod (get-text-property (point) 'in-pod))
- (pre-indent-point (point))
- p prop look-prop is-block delim)
- (cond
- (in-pod
- ;; In the verbatim part, probably code example. What to do???
- )
- (t
- (save-excursion
- ;; Not in POD
+ (let ((res (get-text-property (point) 'syntax-type)))
+ (save-excursion
+ (cond
+ ((and (memq res '(pod here-doc here-doc-delim format))
+ (not (get-text-property (point) 'indentable)))
+ (vector res))
+ ;; before start of POD - whitespace found since do not have 'pod!
+ ((looking-at "[ \t]*\n=")
+ (error "Spaces before POD section!"))
+ ((and (not cperl-indent-left-aligned-comments)
+ (looking-at "^#"))
+ [comment-special:at-beginning-of-line])
+ ((get-text-property (point) 'in-pod)
+ [in-pod])
+ (t
+ (beginning-of-line)
+ (let* ((indent-point (point))
+ (char-after-pos (save-excursion
+ (skip-chars-forward " \t")
+ (point)))
+ (char-after (char-after char-after-pos))
+ (pre-indent-point (point))
+ p prop look-prop is-block delim)
+ (save-excursion ; Know we are not in POD, find appropriate pos before
(cperl-backward-to-noncomment nil)
(setq p (max (point-min) (1- (point)))
prop (get-text-property p 'syntax-type)
'syntax-type))
(if (memq prop '(pod here-doc format here-doc-delim))
(progn
- (goto-char (or (previous-single-property-change p look-prop)
- (point-min)))
+ (goto-char (cperl-beginning-of-property p look-prop))
(beginning-of-line)
- (setq pre-indent-point (point)))))))
- (goto-char pre-indent-point)
- (let* ((case-fold-search nil)
- (s-s (cperl-get-state (car parse-data) (nth 1 parse-data)))
- (start (or (nth 2 parse-data)
- (nth 0 s-s)))
- (state (nth 1 s-s))
- (containing-sexp (car (cdr state)))
- old-indent)
- (if (and
- ;;containing-sexp ;; We are buggy at toplevel :-(
- parse-data)
- (progn
- (setcar parse-data pre-indent-point)
- (setcar (cdr parse-data) state)
- (or (nth 2 parse-data)
- (setcar (cddr parse-data) start))
- ;; Before this point: end of statement
- (setq old-indent (nth 3 parse-data))))
- (cond ((get-text-property (point) 'indentable)
- ;; indent to just after the surrounding open,
- ;; skip blanks if we do not close the expression.
- (goto-char (1+ (previous-single-property-change (point) 'indentable)))
- (or (memq char-after (append ")]}" nil))
- (looking-at "[ \t]*\\(#\\|$\\)")
- (skip-chars-forward " \t"))
- (current-column))
- ((or (nth 3 state) (nth 4 state))
- ;; return nil or t if should not change this line
- (nth 4 state))
- ;; XXXX Do we need to special-case this?
- ((null containing-sexp)
- ;; Line is at top level. May be data or function definition,
- ;; or may be function argument declaration.
- ;; Indent like the previous top level line
- ;; unless that ends in a closeparen without semicolon,
- ;; in which case this line is the first argument decl.
- (skip-chars-forward " \t")
- (+ (save-excursion
- (goto-char start)
- (- (current-indentation)
- (if (nth 2 s-s) cperl-indent-level 0)))
- (if (= char-after ?{) cperl-continued-brace-offset 0)
- (progn
- (cperl-backward-to-noncomment (or old-indent (point-min)))
- ;; Look at previous line that's at column 0
- ;; to determine whether we are in top-level decls
- ;; or function's arg decls. Set basic-indent accordingly.
- ;; Now add a little if this is a continuation line.
- (if (or (bobp)
- (eq (point) old-indent) ; old-indent was at comment
- (eq (preceding-char) ?\;)
- ;; Had ?\) too
- (and (eq (preceding-char) ?\})
- (cperl-after-block-and-statement-beg
- (point-min))) ; Was start - too close
- (memq char-after (append ")]}" nil))
- (and (eq (preceding-char) ?\:) ; label
- (progn
- (forward-sexp -1)
- (skip-chars-backward " \t")
- (looking-at "[ \t]*[a-zA-Z_][a-zA-Z_0-9]*[ \t]*:")))
- (get-text-property (point) 'first-format-line))
- (progn
- (if (and parse-data
- (not (eq char-after ?\C-j)))
- (setcdr (cddr parse-data)
- (list pre-indent-point)))
- 0)
- cperl-continued-statement-offset))))
- ((not
- (or (setq is-block
- (and (setq delim (= (char-after containing-sexp) ?{))
- (save-excursion ; Is it a hash?
- (goto-char containing-sexp)
- (cperl-block-p))))
- cperl-indent-parens-as-block))
- ;; group is an expression, not a block:
- ;; indent to just after the surrounding open parens,
- ;; skip blanks if we do not close the expression.
- (goto-char (1+ containing-sexp))
- (or (memq char-after
- (append (if delim "}" ")]}") nil))
- (looking-at "[ \t]*\\(#\\|$\\)")
- (skip-chars-forward " \t"))
- (+ (current-column)
- (if (and delim
- (eq char-after ?\}))
- ;; Correct indentation of trailing ?\}
- (+ cperl-indent-level cperl-close-paren-offset)
- 0)))
-;;; ((and (/= (char-after containing-sexp) ?{)
-;;; (not cperl-indent-parens-as-block))
-;;; ;; line is expression, not statement:
-;;; ;; indent to just after the surrounding open,
-;;; ;; skip blanks if we do not close the expression.
-;;; (goto-char (1+ containing-sexp))
-;;; (or (memq char-after (append ")]}" nil))
-;;; (looking-at "[ \t]*\\(#\\|$\\)")
-;;; (skip-chars-forward " \t"))
-;;; (current-column))
-;;; ((progn
-;;; ;; Containing-expr starts with \{. Check whether it is a hash.
-;;; (goto-char containing-sexp)
-;;; (and (not (cperl-block-p))
-;;; (not cperl-indent-parens-as-block)))
-;;; (goto-char (1+ containing-sexp))
-;;; (or (eq char-after ?\})
-;;; (looking-at "[ \t]*\\(#\\|$\\)")
-;;; (skip-chars-forward " \t"))
-;;; (+ (current-column) ; Correct indentation of trailing ?\}
-;;; (if (eq char-after ?\}) (+ cperl-indent-level
-;;; cperl-close-paren-offset)
-;;; 0)))
- (t
- ;; Statement level. Is it a continuation or a new statement?
- ;; Find previous non-comment character.
- (goto-char pre-indent-point)
- (cperl-backward-to-noncomment containing-sexp)
- ;; Back up over label lines, since they don't
- ;; affect whether our line is a continuation.
- ;; (Had \, too)
- (while ;;(or (eq (preceding-char) ?\,)
- (and (eq (preceding-char) ?:)
- (or ;;(eq (char-after (- (point) 2)) ?\') ; ????
- (memq (char-syntax (char-after (- (point) 2)))
- '(?w ?_))))
- ;;)
- (if (eq (preceding-char) ?\,)
- ;; Will go to beginning of line, essentially.
- ;; Will ignore embedded sexpr XXXX.
- (cperl-backward-to-start-of-continued-exp containing-sexp))
- (beginning-of-line)
- (cperl-backward-to-noncomment containing-sexp))
- ;; Now we get the answer.
- (if (not (or (eq (1- (point)) containing-sexp)
- (memq (preceding-char)
- (append (if is-block " ;{" " ,;{") '(nil)))
- (and (eq (preceding-char) ?\})
- (cperl-after-block-and-statement-beg
- containing-sexp))
- (get-text-property (point) 'first-format-line)))
- ;; This line is continuation of preceding line's statement;
- ;; indent `cperl-continued-statement-offset' more than the
- ;; previous line of the statement.
- ;;
- ;; There might be a label on this line, just
- ;; consider it bad style and ignore it.
- (progn
- (cperl-backward-to-start-of-continued-exp containing-sexp)
- (+ (if (memq char-after (append "}])" nil))
- 0 ; Closing parenth
- cperl-continued-statement-offset)
- (if (or is-block
- (not delim)
- (not (eq char-after ?\})))
- 0
- ;; Now it is a hash reference
- (+ cperl-indent-level cperl-close-paren-offset))
- (if (looking-at "\\w+[ \t]*:")
- (if (> (current-indentation) cperl-min-label-indent)
- (- (current-indentation) cperl-label-offset)
- ;; Do not move `parse-data', this should
- ;; be quick anyway (this comment comes
- ;; from different location):
- (cperl-calculate-indent))
- (current-column))
- (if (eq char-after ?\{)
- cperl-continued-brace-offset 0)))
- ;; This line starts a new statement.
- ;; Position following last unclosed open.
- (goto-char containing-sexp)
- ;; Is line first statement after an open-brace?
- (or
- ;; If no, find that first statement and indent like
- ;; it. If the first statement begins with label, do
- ;; not believe when the indentation of the label is too
- ;; small.
- (save-excursion
- (forward-char 1)
- (setq old-indent (current-indentation))
- (let ((colon-line-end 0))
- (while
- (progn (skip-chars-forward " \t\n")
- (looking-at "#\\|[a-zA-Z0-9_$]*:[^:]\\|=[a-zA-Z]"))
- ;; Skip over comments and labels following openbrace.
- (cond ((= (following-char) ?\#)
- (forward-line 1))
- ((= (following-char) ?\=)
- (goto-char
- (or (next-single-property-change (point) 'in-pod)
- (point-max)))) ; do not loop if no syntaxification
- ;; label:
- (t
- (save-excursion (end-of-line)
- (setq colon-line-end (point)))
- (search-forward ":"))))
- ;; The first following code counts
- ;; if it is before the line we want to indent.
- (and (< (point) indent-point)
- (if (> colon-line-end (point)) ; After label
- (if (> (current-indentation)
- cperl-min-label-indent)
- (- (current-indentation) cperl-label-offset)
- ;; Do not believe: `max' is involved
- (+ old-indent cperl-indent-level))
- (current-column)))))
- ;; If no previous statement,
- ;; indent it relative to line brace is on.
- ;; For open brace in column zero, don't let statement
- ;; start there too. If cperl-indent-level is zero,
- ;; use cperl-brace-offset + cperl-continued-statement-offset instead.
- ;; For open-braces not the first thing in a line,
- ;; add in cperl-brace-imaginary-offset.
-
- ;; If first thing on a line: ?????
- (+ (if (and (bolp) (zerop cperl-indent-level))
- (+ cperl-brace-offset cperl-continued-statement-offset)
- cperl-indent-level)
- (if (or is-block
- (not delim)
- (not (eq char-after ?\})))
- 0
- ;; Now it is a hash reference
- (+ cperl-indent-level cperl-close-paren-offset))
- ;; Move back over whitespace before the openbrace.
- ;; If openbrace is not first nonwhite thing on the line,
- ;; add the cperl-brace-imaginary-offset.
- (progn (skip-chars-backward " \t")
- (if (bolp) 0 cperl-brace-imaginary-offset))
- ;; If the openbrace is preceded by a parenthesized exp,
- ;; move to the beginning of that;
- ;; possibly a different line
- (progn
- (if (eq (preceding-char) ?\))
- (forward-sexp -1))
- ;; In the case it starts a subroutine, indent with
- ;; respect to `sub', not with respect to the
- ;; first thing on the line, say in the case of
- ;; anonymous sub in a hash.
- ;;
- (skip-chars-backward " \t")
- (if (and (eq (preceding-char) ?b)
+ (setq pre-indent-point (point)))))
+ (goto-char pre-indent-point) ; Orig line skipping preceeding pod/etc
+ (let* ((case-fold-search nil)
+ (s-s (cperl-get-state (car parse-data) (nth 1 parse-data)))
+ (start (or (nth 2 parse-data) ; last complete sexp terminated
+ (nth 0 s-s))) ; Good place to start parsing
+ (state (nth 1 s-s))
+ (containing-sexp (car (cdr state)))
+ old-indent)
+ (if (and
+ ;;containing-sexp ;; We are buggy at toplevel :-(
+ parse-data)
+ (progn
+ (setcar parse-data pre-indent-point)
+ (setcar (cdr parse-data) state)
+ (or (nth 2 parse-data)
+ (setcar (cddr parse-data) start))
+ ;; Before this point: end of statement
+ (setq old-indent (nth 3 parse-data))))
+ (cond ((get-text-property (point) 'indentable)
+ ;; indent to "after" the surrounding open
+ ;; (same offset as `cperl-beautify-regexp-piece'),
+ ;; skip blanks if we do not close the expression.
+ (setq delim ; We do not close the expression
+ (get-text-property
+ (cperl-1+ char-after-pos) 'indentable)
+ p (1+ (cperl-beginning-of-property
+ (point) 'indentable))
+ is-block ; misused for: preceeding line in REx
+ (save-excursion ; Find preceeding line
+ (cperl-backward-to-noncomment p)
+ (beginning-of-line)
+ (if (<= (point) p)
+ (progn ; get indent from the first line
+ (goto-char p)
+ (skip-chars-forward " \t")
+ (if (memq (char-after (point))
+ (append "#\n" nil))
+ nil ; Can't use intentation of this line...
+ (point)))
+ (skip-chars-forward " \t")
+ (point)))
+ prop (parse-partial-sexp p char-after-pos))
+ (cond ((not delim) ; End the REx, ignore is-block
+ (vector 'indentable 'terminator p is-block))
+ (is-block ; Indent w.r.t. preceeding line
+ (vector 'indentable 'cont-line char-after-pos
+ is-block char-after p))
+ (t ; No preceeding line...
+ (vector 'indentable 'first-line p))))
+ ((get-text-property char-after-pos 'REx-part2)
+ (vector 'REx-part2 (point)))
+ ((nth 4 state)
+ [comment])
+ ((nth 3 state)
+ [string])
+ ;; XXXX Do we need to special-case this?
+ ((null containing-sexp)
+ ;; Line is at top level. May be data or function definition,
+ ;; or may be function argument declaration.
+ ;; Indent like the previous top level line
+ ;; unless that ends in a closeparen without semicolon,
+ ;; in which case this line is the first argument decl.
+ (skip-chars-forward " \t")
+ (cperl-backward-to-noncomment (or old-indent (point-min)))
+ (setq state
+ (or (bobp)
+ (eq (point) old-indent) ; old-indent was at comment
+ (eq (preceding-char) ?\;)
+ ;; Had ?\) too
+ (and (eq (preceding-char) ?\})
+ (cperl-after-block-and-statement-beg
+ (point-min))) ; Was start - too close
+ (memq char-after (append ")]}" nil))
+ (and (eq (preceding-char) ?\:) ; label
(progn
(forward-sexp -1)
- (looking-at "sub\\>"))
- (setq old-indent
- (nth 1
- (parse-partial-sexp
- (save-excursion (beginning-of-line) (point))
- (point)))))
- (progn (goto-char (1+ old-indent))
- (skip-chars-forward " \t")
- (current-column))
- ;; Get initial indentation of the line we are on.
- ;; If line starts with label, calculate label indentation
- (if (save-excursion
- (beginning-of-line)
- (looking-at "[ \t]*[a-zA-Z_][a-zA-Z_0-9]*:[^:]"))
- (if (> (current-indentation) cperl-min-label-indent)
- (- (current-indentation) cperl-label-offset)
- ;; Do not move `parse-data', this should
- ;; be quick anyway:
- (cperl-calculate-indent))
- (current-indentation))))))))))))))
-
-(defvar cperl-indent-alist
- '((string nil)
- (comment nil)
- (toplevel 0)
- (toplevel-after-parenth 2)
- (toplevel-continued 2)
- (expression 1))
+ (skip-chars-backward " \t")
+ (looking-at "[ \t]*[a-zA-Z_][a-zA-Z_0-9]*[ \t]*:")))
+ (get-text-property (point) 'first-format-line)))
+
+ ;; Look at previous line that's at column 0
+ ;; to determine whether we are in top-level decls
+ ;; or function's arg decls. Set basic-indent accordingly.
+ ;; Now add a little if this is a continuation line.
+ (and state
+ parse-data
+ (not (eq char-after ?\C-j))
+ (setcdr (cddr parse-data)
+ (list pre-indent-point)))
+ (vector 'toplevel start char-after state (nth 2 s-s)))
+ ((not
+ (or (setq is-block
+ (and (setq delim (= (char-after containing-sexp) ?{))
+ (save-excursion ; Is it a hash?
+ (goto-char containing-sexp)
+ (cperl-block-p))))
+ cperl-indent-parens-as-block))
+ ;; group is an expression, not a block:
+ ;; indent to just after the surrounding open parens,
+ ;; skip blanks if we do not close the expression.
+ (goto-char (1+ containing-sexp))
+ (or (memq char-after
+ (append (if delim "}" ")]}") nil))
+ (looking-at "[ \t]*\\(#\\|$\\)")
+ (skip-chars-forward " \t"))
+ (setq old-indent (point)) ; delim=is-brace
+ (vector 'in-parens char-after (point) delim containing-sexp))
+ (t
+ ;; Statement level. Is it a continuation or a new statement?
+ ;; Find previous non-comment character.
+ (goto-char pre-indent-point) ; Skip one level of POD/etc
+ (cperl-backward-to-noncomment containing-sexp)
+ ;; Back up over label lines, since they don't
+ ;; affect whether our line is a continuation.
+ ;; (Had \, too)
+ (while;;(or (eq (preceding-char) ?\,)
+ (and (eq (preceding-char) ?:)
+ (or;;(eq (char-after (- (point) 2)) ?\') ; ????
+ (memq (char-syntax (char-after (- (point) 2)))
+ '(?w ?_))))
+ ;;)
+ ;; This is always FALSE?
+ (if (eq (preceding-char) ?\,)
+ ;; Will go to beginning of line, essentially.
+ ;; Will ignore embedded sexpr XXXX.
+ (cperl-backward-to-start-of-continued-exp containing-sexp))
+ (beginning-of-line)
+ (cperl-backward-to-noncomment containing-sexp))
+ ;; Now we get non-label preceeding the indent point
+ (if (not (or (eq (1- (point)) containing-sexp)
+ (memq (preceding-char)
+ (append (if is-block " ;{" " ,;{") '(nil)))
+ (and (eq (preceding-char) ?\})
+ (cperl-after-block-and-statement-beg
+ containing-sexp))
+ (get-text-property (point) 'first-format-line)))
+ ;; This line is continuation of preceding line's statement;
+ ;; indent `cperl-continued-statement-offset' more than the
+ ;; previous line of the statement.
+ ;;
+ ;; There might be a label on this line, just
+ ;; consider it bad style and ignore it.
+ (progn
+ (cperl-backward-to-start-of-continued-exp containing-sexp)
+ (vector 'continuation (point) char-after is-block delim))
+ ;; This line starts a new statement.
+ ;; Position following last unclosed open brace
+ (goto-char containing-sexp)
+ ;; Is line first statement after an open-brace?
+ (or
+ ;; If no, find that first statement and indent like
+ ;; it. If the first statement begins with label, do
+ ;; not believe when the indentation of the label is too
+ ;; small.
+ (save-excursion
+ (forward-char 1)
+ (let ((colon-line-end 0))
+ (while
+ (progn (skip-chars-forward " \t\n")
+ ;; s: foo : bar :x is NOT label
+ (and (looking-at "#\\|\\([a-zA-Z0-9_$]+\\):[^:]\\|=[a-zA-Z]")
+ (not (looking-at "[sym]:\\|tr:"))))
+ ;; Skip over comments and labels following openbrace.
+ (cond ((= (following-char) ?\#)
+ (forward-line 1))
+ ((= (following-char) ?\=)
+ (goto-char
+ (or (next-single-property-change (point) 'in-pod)
+ (point-max)))) ; do not loop if no syntaxification
+ ;; label:
+ (t
+ (save-excursion (end-of-line)
+ (setq colon-line-end (point)))
+ (search-forward ":"))))
+ ;; We are at beginning of code (NOT label or comment)
+ ;; First, the following code counts
+ ;; if it is before the line we want to indent.
+ (and (< (point) indent-point)
+ (vector 'have-prev-sibling (point) colon-line-end
+ containing-sexp))))
+ (progn
+ ;; If no previous statement,
+ ;; indent it relative to line brace is on.
+
+ ;; For open-braces not the first thing in a line,
+ ;; add in cperl-brace-imaginary-offset.
+
+ ;; If first thing on a line: ?????
+ ;; Move back over whitespace before the openbrace.
+ (setq ; brace first thing on a line
+ old-indent (progn (skip-chars-backward " \t") (bolp)))
+ ;; Should we indent w.r.t. earlier than start?
+ ;; Move to start of control group, possibly on a different line
+ (or cperl-indent-wrt-brace
+ (cperl-backward-to-noncomment (point-min)))
+ ;; If the openbrace is preceded by a parenthesized exp,
+ ;; move to the beginning of that;
+ (if (eq (preceding-char) ?\))
+ (progn
+ (forward-sexp -1)
+ (cperl-backward-to-noncomment (point-min))))
+ ;; In the case it starts a subroutine, indent with
+ ;; respect to `sub', not with respect to the
+ ;; first thing on the line, say in the case of
+ ;; anonymous sub in a hash.
+ (if (and;; Is it a sub in group starting on this line?
+ (cond ((get-text-property (point) 'attrib-group)
+ (goto-char (cperl-beginning-of-property
+ (point) 'attrib-group)))
+ ((eq (preceding-char) ?b)
+ (forward-sexp -1)
+ (looking-at "sub\\>")))
+ (setq p (nth 1 ; start of innermost containing list
+ (parse-partial-sexp
+ (save-excursion (beginning-of-line)
+ (point))
+ (point)))))
+ (progn
+ (goto-char (1+ p)) ; enclosing block on the same line
+ (skip-chars-forward " \t")
+ (vector 'code-start-in-block containing-sexp char-after
+ (and delim (not is-block)) ; is a HASH
+ old-indent ; brace first thing on a line
+ t (point) ; have something before...
+ )
+ ;;(current-column)
+ )
+ ;; Get initial indentation of the line we are on.
+ ;; If line starts with label, calculate label indentation
+ (vector 'code-start-in-block containing-sexp char-after
+ (and delim (not is-block)) ; is a HASH
+ old-indent ; brace first thing on a line
+ nil (point))))))))))))))) ; nothing interesting before
+
+(defvar cperl-indent-rules-alist
+ '((pod nil) ; via `syntax-type' property
+ (here-doc nil) ; via `syntax-type' property
+ (here-doc-delim nil) ; via `syntax-type' property
+ (format nil) ; via `syntax-type' property
+ (in-pod nil) ; via `in-pod' property
+ (comment-special:at-beginning-of-line nil)
+ (string t)
+ (comment nil))
"Alist of indentation rules for CPerl mode.
The values mean:
nil: do not indent;
- number: add this amount of indentation.
+ number: add this amount of indentation.")
-Not finished, not used.")
-
-(defun cperl-where-am-i (&optional parse-start start-state)
- ;; Unfinished
- "Return a list of lists ((TYPE POS)...) of good points before the point.
-POS may be nil if it is hard to find, say, when TYPE is `string' or `comment'.
+(defun cperl-calculate-indent (&optional parse-data) ; was parse-start
+ "Return appropriate indentation for current line as Perl code.
+In usual case returns an integer: the column to indent to.
+Returns nil if line starts inside a string, t if in a comment.
-Not finished, not used."
+Will not correct the indentation for labels, but will correct it for braces
+and closing parentheses and brackets."
+ ;; This code is still a broken architecture: in some cases we need to
+ ;; compensate for some modifications which `cperl-indent-line' will add later
(save-excursion
- (let* ((start-point (point))
- (s-s (cperl-get-state))
- (start (nth 0 s-s))
- (state (nth 1 s-s))
- (prestart (nth 3 s-s))
- (containing-sexp (car (cdr state)))
- (case-fold-search nil)
- (res (list (list 'parse-start start) (list 'parse-prestart prestart))))
- (cond ((nth 3 state) ; In string
- (setq res (cons (list 'string nil (nth 3 state)) res))) ; What started string
- ((nth 4 state) ; In comment
- (setq res (cons '(comment) res)))
- ((null containing-sexp)
- ;; Line is at top level.
- ;; Indent like the previous top level line
- ;; unless that ends in a closeparen without semicolon,
- ;; in which case this line is the first argument decl.
- (cperl-backward-to-noncomment (or parse-start (point-min)))
- ;;(skip-chars-backward " \t\f\n")
- (cond
- ((or (bobp)
- (memq (preceding-char) (append ";}" nil)))
- (setq res (cons (list 'toplevel start) res)))
- ((eq (preceding-char) ?\) )
- (setq res (cons (list 'toplevel-after-parenth start) res)))
- (t
- (setq res (cons (list 'toplevel-continued start) res)))))
- ((/= (char-after containing-sexp) ?{)
- ;; line is expression, not statement:
- ;; indent to just after the surrounding open.
- ;; skip blanks if we do not close the expression.
- (setq res (cons (list 'expression-blanks
- (progn
- (goto-char (1+ containing-sexp))
- (or (looking-at "[ \t]*\\(#\\|$\\)")
- (skip-chars-forward " \t"))
- (point)))
- (cons (list 'expression containing-sexp) res))))
- ((progn
- ;; Containing-expr starts with \{. Check whether it is a hash.
- (goto-char containing-sexp)
- (not (cperl-block-p)))
- (setq res (cons (list 'expression-blanks
- (progn
- (goto-char (1+ containing-sexp))
- (or (looking-at "[ \t]*\\(#\\|$\\)")
- (skip-chars-forward " \t"))
- (point)))
- (cons (list 'expression containing-sexp) res))))
- (t
- ;; Statement level.
- (setq res (cons (list 'in-block containing-sexp) res))
- ;; Is it a continuation or a new statement?
- ;; Find previous non-comment character.
- (cperl-backward-to-noncomment containing-sexp)
- ;; Back up over label lines, since they don't
- ;; affect whether our line is a continuation.
- ;; Back up comma-delimited lines too ?????
- (while (or (eq (preceding-char) ?\,)
- (save-excursion (cperl-after-label)))
- (if (eq (preceding-char) ?\,)
- ;; Will go to beginning of line, essentially
- ;; Will ignore embedded sexpr XXXX.
- (cperl-backward-to-start-of-continued-exp containing-sexp))
- (beginning-of-line)
- (cperl-backward-to-noncomment containing-sexp))
- ;; Now we get the answer.
- (if (not (memq (preceding-char) (append ";}{" '(nil)))) ; Was ?\,
- ;; This line is continuation of preceding line's statement.
- (list (list 'statement-continued containing-sexp))
- ;; This line starts a new statement.
- ;; Position following last unclosed open.
- (goto-char containing-sexp)
- ;; Is line first statement after an open-brace?
- (or
- ;; If no, find that first statement and indent like
- ;; it. If the first statement begins with label, do
- ;; not believe when the indentation of the label is too
- ;; small.
- (save-excursion
- (forward-char 1)
- (let ((colon-line-end 0))
- (while (progn (skip-chars-forward " \t\n" start-point)
- (and (< (point) start-point)
- (looking-at
- "#\\|[a-zA-Z_][a-zA-Z0-9_]*:[^:]")))
- ;; Skip over comments and labels following openbrace.
- (cond ((= (following-char) ?\#)
- ;;(forward-line 1)
- (end-of-line))
- ;; label:
- (t
- (save-excursion (end-of-line)
- (setq colon-line-end (point)))
- (search-forward ":"))))
- ;; Now at the point, after label, or at start
- ;; of first statement in the block.
- (and (< (point) start-point)
- (if (> colon-line-end (point))
- ;; Before statement after label
- (if (> (current-indentation)
- cperl-min-label-indent)
- (list (list 'label-in-block (point)))
- ;; Do not believe: `max' is involved
- (list
- (list 'label-in-block-min-indent (point))))
- ;; Before statement
- (list 'statement-in-block (point))))))
- ;; If no previous statement,
- ;; indent it relative to line brace is on.
- ;; For open brace in column zero, don't let statement
- ;; start there too. If cperl-indent-level is zero,
- ;; use cperl-brace-offset + cperl-continued-statement-offset instead.
- ;; For open-braces not the first thing in a line,
- ;; add in cperl-brace-imaginary-offset.
-
- ;; If first thing on a line: ?????
- (+ (if (and (bolp) (zerop cperl-indent-level))
- (+ cperl-brace-offset cperl-continued-statement-offset)
- cperl-indent-level)
- ;; Move back over whitespace before the openbrace.
- ;; If openbrace is not first nonwhite thing on the line,
- ;; add the cperl-brace-imaginary-offset.
- (progn (skip-chars-backward " \t")
- (if (bolp) 0 cperl-brace-imaginary-offset))
- ;; If the openbrace is preceded by a parenthesized exp,
- ;; move to the beginning of that;
- ;; possibly a different line
- (progn
- (if (eq (preceding-char) ?\))
- (forward-sexp -1))
- ;; Get initial indentation of the line we are on.
- ;; If line starts with label, calculate label indentation
- (if (save-excursion
- (beginning-of-line)
- (looking-at "[ \t]*[a-zA-Z_][a-zA-Z_0-9]*:[^:]"))
- (if (> (current-indentation) cperl-min-label-indent)
- (- (current-indentation) cperl-label-offset)
- (cperl-calculate-indent))
- (current-indentation))))))))
- res)))
+ (let ((i (cperl-sniff-for-indent parse-data)) what p)
+ (cond
+ ;;((or (null i) (eq i t) (numberp i))
+ ;; i)
+ ((vectorp i)
+ (setq what (assoc (elt i 0) cperl-indent-rules-alist))
+ (cond
+ (what (cadr what)) ; Load from table
+ ;;
+ ;; Indenters for regular expressions with //x and qw()
+ ;;
+ ((eq 'REx-part2 (elt i 0)) ;; [self start] start of /REP in s//REP/x
+ (goto-char (elt i 1))
+ (condition-case nil ; Use indentation of the 1st part
+ (forward-sexp -1))
+ (current-column))
+ ((eq 'indentable (elt i 0)) ; Indenter for REGEXP qw() etc
+ (cond ;;; [indentable terminator start-pos is-block]
+ ((eq 'terminator (elt i 1)) ; Lone terminator of "indentable string"
+ (goto-char (elt i 2)) ; After opening parens
+ (1- (current-column)))
+ ((eq 'first-line (elt i 1)); [indentable first-line start-pos]
+ (goto-char (elt i 2))
+ (+ (or cperl-regexp-indent-step cperl-indent-level)
+ -1
+ (current-column)))
+ ((eq 'cont-line (elt i 1)); [indentable cont-line pos prev-pos first-char start-pos]
+ ;; Indent as the level after closing parens
+ (goto-char (elt i 2)) ; indent line
+ (skip-chars-forward " \t)") ; Skip closing parens
+ (setq p (point))
+ (goto-char (elt i 3)) ; previous line
+ (skip-chars-forward " \t)") ; Skip closing parens
+ ;; Number of parens in between:
+ (setq p (nth 0 (parse-partial-sexp (point) p))
+ what (elt i 4)) ; First char on current line
+ (goto-char (elt i 3)) ; previous line
+ (+ (* p (or cperl-regexp-indent-step cperl-indent-level))
+ (cond ((eq what ?\) )
+ (- cperl-close-paren-offset)) ; compensate
+ ((eq what ?\| )
+ (- (or cperl-regexp-indent-step cperl-indent-level)))
+ (t 0))
+ (if (eq (following-char) ?\| )
+ (or cperl-regexp-indent-step cperl-indent-level)
+ 0)
+ (current-column)))
+ (t
+ (error "Unrecognized value of indent: " i))))
+ ;;
+ ;; Indenter for stuff at toplevel
+ ;;
+ ((eq 'toplevel (elt i 0)) ;; [toplevel start char-after state immed-after-block]
+ (+ (save-excursion ; To beg-of-defun, or end of last sexp
+ (goto-char (elt i 1)) ; start = Good place to start parsing
+ (- (current-indentation) ;
+ (if (elt i 4) cperl-indent-level 0))) ; immed-after-block
+ (if (eq (elt i 2) ?{) cperl-continued-brace-offset 0) ; char-after
+ ;; Look at previous line that's at column 0
+ ;; to determine whether we are in top-level decls
+ ;; or function's arg decls. Set basic-indent accordingly.
+ ;; Now add a little if this is a continuation line.
+ (if (elt i 3) ; state (XXX What is the semantic???)
+ 0
+ cperl-continued-statement-offset)))
+ ;;
+ ;; Indenter for stuff in "parentheses" (or brackets, braces-as-hash)
+ ;;
+ ((eq 'in-parens (elt i 0))
+ ;; in-parens char-after old-indent-point is-brace containing-sexp
+
+ ;; group is an expression, not a block:
+ ;; indent to just after the surrounding open parens,
+ ;; skip blanks if we do not close the expression.
+ (+ (progn
+ (goto-char (elt i 2)) ; old-indent-point
+ (current-column))
+ (if (and (elt i 3) ; is-brace
+ (eq (elt i 1) ?\})) ; char-after
+ ;; Correct indentation of trailing ?\}
+ (+ cperl-indent-level cperl-close-paren-offset)
+ 0)))
+ ;;
+ ;; Indenter for continuation lines
+ ;;
+ ((eq 'continuation (elt i 0))
+ ;; [continuation statement-start char-after is-block is-brace]
+ (goto-char (elt i 1)) ; statement-start
+ (+ (if (memq (elt i 2) (append "}])" nil)) ; char-after
+ 0 ; Closing parenth
+ cperl-continued-statement-offset)
+ (if (or (elt i 3) ; is-block
+ (not (elt i 4)) ; is-brace
+ (not (eq (elt i 2) ?\}))) ; char-after
+ 0
+ ;; Now it is a hash reference
+ (+ cperl-indent-level cperl-close-paren-offset))
+ ;; Labels do not take :: ...
+ (if (looking-at "\\(\\w\\|_\\)+[ \t]*:")
+ (if (> (current-indentation) cperl-min-label-indent)
+ (- (current-indentation) cperl-label-offset)
+ ;; Do not move `parse-data', this should
+ ;; be quick anyway (this comment comes
+ ;; from different location):
+ (cperl-calculate-indent))
+ (current-column))
+ (if (eq (elt i 2) ?\{) ; char-after
+ cperl-continued-brace-offset 0)))
+ ;;
+ ;; Indenter for lines in a block which are not leading lines
+ ;;
+ ((eq 'have-prev-sibling (elt i 0))
+ ;; [have-prev-sibling sibling-beg colon-line-end block-start]
+ (goto-char (elt i 1)) ; sibling-beg
+ (if (> (elt i 2) (point)) ; colon-line-end; have label before point
+ (if (> (current-indentation)
+ cperl-min-label-indent)
+ (- (current-indentation) cperl-label-offset)
+ ;; Do not believe: `max' was involved in calculation of indent
+ (+ cperl-indent-level
+ (save-excursion
+ (goto-char (elt i 3)) ; block-start
+ (current-indentation))))
+ (current-column)))
+ ;;
+ ;; Indenter for the first line in a block
+ ;;
+ ((eq 'code-start-in-block (elt i 0))
+ ;;[code-start-in-block before-brace char-after
+ ;; is-a-HASH-ref brace-is-first-thing-on-a-line
+ ;; group-starts-before-start-of-sub start-of-control-group]
+ (goto-char (elt i 1))
+ ;; For open brace in column zero, don't let statement
+ ;; start there too. If cperl-indent-level=0,
+ ;; use cperl-brace-offset + cperl-continued-statement-offset instead.
+ (+ (if (and (bolp) (zerop cperl-indent-level))
+ (+ cperl-brace-offset cperl-continued-statement-offset)
+ cperl-indent-level)
+ (if (and (elt i 3) ; is-a-HASH-ref
+ (eq (elt i 2) ?\})) ; char-after: End of a hash reference
+ (+ cperl-indent-level cperl-close-paren-offset)
+ 0)
+ ;; Unless openbrace is the first nonwhite thing on the line,
+ ;; add the cperl-brace-imaginary-offset.
+ (if (elt i 4) 0 ; brace-is-first-thing-on-a-line
+ cperl-brace-imaginary-offset)
+ (progn
+ (goto-char (elt i 6)) ; start-of-control-group
+ (if (elt i 5) ; group-starts-before-start-of-sub
+ (current-column)
+ ;; Get initial indentation of the line we are on.
+ ;; If line starts with label, calculate label indentation
+ (if (save-excursion
+ (beginning-of-line)
+ (looking-at "[ \t]*[a-zA-Z_][a-zA-Z_0-9]*:[^:]"))
+ (if (> (current-indentation) cperl-min-label-indent)
+ (- (current-indentation) cperl-label-offset)
+ ;; Do not move `parse-data', this should
+ ;; be quick anyway:
+ (cperl-calculate-indent))
+ (current-indentation))))))
+ (t
+ (error "Unrecognized value of indent: " i))))
+ (t
+ (error (format "Got strange value of indent: " i)))))))
(defun cperl-calculate-indent-within-comment ()
"Return the indentation amount for line, assuming that
(defun cperl-to-comment-or-eol ()
"Go to position before comment on the current line, or to end of line.
-Returns true if comment is found."
- (let (state stop-in cpoint (lim (progn (end-of-line) (point))))
+Returns true if comment is found. In POD will not move the point."
+ ;; If the line is inside other syntax groups (qq-style strings, HERE-docs)
+ ;; then looks for literal # or end-of-line.
+ (let (state stop-in cpoint (lim (progn (end-of-line) (point))) pr e)
+ (or cperl-font-locking
+ (cperl-update-syntaxification lim lim))
(beginning-of-line)
- (if (or
- (eq (get-text-property (point) 'syntax-type) 'pod)
- (re-search-forward "\\=[ \t]*\\(#\\|$\\)" lim t))
+ (if (setq pr (get-text-property (point) 'syntax-type))
+ (setq e (next-single-property-change (point) 'syntax-type nil (point-max))))
+ (if (or (eq pr 'pod)
+ (if (or (not e) (> e lim)) ; deep inside a group
+ (re-search-forward "\\=[ \t]*\\(#\\|$\\)" lim t)))
(if (eq (preceding-char) ?\#) (progn (backward-char 1) t))
- ;; Else
+ ;; Else - need to do it the hard way
+ (and (and e (<= e lim))
+ (goto-char e))
(while (not stop-in)
(setq state (parse-partial-sexp (point) lim nil nil nil t))
; stop at comment
(goto-char (1- cpoint)))))
(setq stop-in t) ; Finish
(forward-char -1))
- (setq stop-in t))) ; Finish
+ (setq stop-in t))) ; Finish
(nth 4 state))))
-(defsubst cperl-1- (p)
- (max (point-min) (1- p)))
-
-(defsubst cperl-1+ (p)
- (min (point-max) (1+ p)))
-
(defsubst cperl-modify-syntax-type (at how)
(if (< at (point-max))
(progn
(put-text-property at (1+ at) 'syntax-table how)
- (put-text-property at (1+ at) 'rear-nonsticky t))))
+ (put-text-property at (1+ at) 'rear-nonsticky '(syntax-table)))))
(defun cperl-protect-defun-start (s e)
;; C code looks for "^\\s(" to skip comment backward in "hard" situations
( ?\{ . ?\} )
( ?\< . ?\> )))
-(defun cperl-forward-re (lim end is-2arg set-st st-l err-l argument
+(defun cperl-cached-syntax-table (st)
+ "Get a syntax table cached in ST, or create and cache into ST a syntax table.
+All the entries of the syntax table are \".\", except for a backslash, which
+is quoting."
+ (if (car-safe st)
+ (car st)
+ (setcar st (make-syntax-table))
+ (setq st (car st))
+ (let ((i 0))
+ (while (< i 256)
+ (modify-syntax-entry i "." st)
+ (setq i (1+ i))))
+ (modify-syntax-entry ?\\ "\\" st)
+ st))
+
+(defun cperl-forward-re (lim end is-2arg st-l err-l argument
&optional ostart oend)
- ;; Works *before* syntax recognition is done
- ;; May modify syntax-type text property if the situation is too hard
- (let (b starter ender st i i2 go-forward reset-st)
+"Find the end of a regular expression or a stringish construct (q[] etc).
+The point should be before the starting delimiter.
+
+Goes to LIM if none is found. If IS-2ARG is non-nil, assumes that it
+is s/// or tr/// like expression. If END is nil, generates an error
+message if needed. If SET-ST is non-nil, will use (or generate) a
+cached syntax table in ST-L. If ERR-L is non-nil, will store the
+error message in its CAR (unless it already contains some error
+message). ARGUMENT should be the name of the construct (used in error
+messages). OSTART, OEND may be set in recursive calls when processing
+the second argument of 2ARG construct.
+
+Works *before* syntax recognition is done. In IS-2ARG situation may
+modify syntax-type text property if the situation is too hard."
+ (let (b starter ender st i i2 go-forward reset-st set-st)
(skip-chars-forward " \t")
;; ender means matching-char matcher.
(setq b (point)
starter (if (eobp) 0 (char-after b))
ender (cdr (assoc starter cperl-starters)))
;; What if starter == ?\\ ????
- (if set-st
- (if (car st-l)
- (setq st (car st-l))
- (setcar st-l (make-syntax-table))
- (setq i 0 st (car st-l))
- (while (< i 256)
- (modify-syntax-entry i "." st)
- (setq i (1+ i)))
- (modify-syntax-entry ?\\ "\\" st)))
+ (setq st (cperl-cached-syntax-table st-l))
(setq set-st t)
;; Whether we have an intermediate point
(setq i nil)
;; Prepare the syntax table:
- (and set-st
- (if (not ender) ; m/blah/, s/x//, s/x/y/
- (modify-syntax-entry starter "$" st)
- (modify-syntax-entry starter (concat "(" (list ender)) st)
- (modify-syntax-entry ender (concat ")" (list starter)) st)))
+ (if (not ender) ; m/blah/, s/x//, s/x/y/
+ (modify-syntax-entry starter "$" st)
+ (modify-syntax-entry starter (concat "(" (list ender)) st)
+ (modify-syntax-entry ender (concat ")" (list starter)) st))
(condition-case bb
(progn
;; We use `$' syntax class to find matching stuff, but $$
(modify-syntax-entry starter (if (eq starter ?\\) "\\" ".") st)
(if ender (modify-syntax-entry ender "." st))
(setq set-st nil)
- (setq ender (cperl-forward-re lim end nil t st-l err-l
+ (setq ender (cperl-forward-re lim end nil st-l err-l
argument starter ender)
ender (nth 2 ender)))))
(error (goto-char lim)
;; go-forward: has 2 args, and the second part is empty
(list i i2 ender starter go-forward)))
+(defun cperl-forward-group-in-re (&optional st-l)
+ "Find the end of a group in a REx.
+Return the error message (if any). Does not work if delimiter is `)'.
+Works before syntax recognition is done."
+ ;; Works *before* syntax recognition is done
+ (or st-l (setq st-l (list nil))) ; Avoid overwriting '()
+ (let (st b reset-st)
+ (condition-case b
+ (progn
+ (setq st (cperl-cached-syntax-table st-l))
+ (modify-syntax-entry ?\( "()" st)
+ (modify-syntax-entry ?\) ")(" st)
+ (setq reset-st (syntax-table))
+ (set-syntax-table st)
+ (forward-sexp 1))
+ (error (message
+ "cperl-forward-group-in-re: error %s" b)))
+ ;; now restore the initial state
+ (if st
+ (progn
+ (modify-syntax-entry ?\( "." st)
+ (modify-syntax-entry ?\) "." st)))
+ (if reset-st
+ (set-syntax-table reset-st))
+ b))
+
+
(defvar font-lock-string-face)
;;(defvar font-lock-reference-face)
(defvar font-lock-constant-face)
;; d) 'Q'uoted string:
;; part between markers inclusive is marked `syntax-type' ==> `string'
;; part between `q' and the first marker is marked `syntax-type' ==> `prestring'
+;; second part of s///e is marked `syntax-type' ==> `multiline'
+;; e) Attributes of subroutines: `attrib-group' ==> t
+;; (or 0 if declaration); up to `{' or ';': `syntax-type' => `sub-decl'.
+;; f) Multiline my/our declaration lists etc: `syntax-type' => `multiline'
+
+;;; In addition, some parts of RExes may be marked as `REx-interpolated'
+;;; (value: 0 in //o, 1 if "interpolated variable" is whole-REx, t otherwise).
(defun cperl-unwind-to-safe (before &optional end)
;; if BEFORE, go to the previous start-of-line on each step of unwinding
(let ((pos (point)) opos)
- (setq opos pos)
- (while (and pos (get-text-property pos 'syntax-type))
- (setq pos (previous-single-property-change pos 'syntax-type))
+ (while (and pos (progn
+ (beginning-of-line)
+ (get-text-property (setq pos (point)) 'syntax-type)))
+ (setq opos pos
+ pos (cperl-beginning-of-property pos 'syntax-type))
+ (if (eq pos (point-min))
+ (setq pos nil))
(if pos
(if before
(progn
(setq pos (point))
(if end
;; Do the same for end, going small steps
- (progn
+ (save-excursion
(while (and end (get-text-property end 'syntax-type))
(setq pos end
- end (next-single-property-change end 'syntax-type)))
+ end (next-single-property-change end 'syntax-type nil (point-max)))
+ (if end (progn (goto-char end)
+ (or (bolp) (forward-line 1))
+ (setq end (point)))))
(or end pos)))))
+;;; These are needed for byte-compile (at least with v19)
(defvar cperl-nonoverridable-face)
+(defvar font-lock-variable-name-face)
(defvar font-lock-function-name-face)
+(defvar font-lock-keyword-face)
+(defvar font-lock-builtin-face)
+(defvar font-lock-type-face)
(defvar font-lock-comment-face)
+(defvar font-lock-warning-face)
-(defun cperl-find-pods-heres (&optional min max non-inter end ignore-max)
+(defun cperl-find-sub-attrs (&optional st-l b-fname e-fname pos)
+ "Syntaxically mark (and fontify) attributes of a subroutine.
+Should be called with the point before leading colon of an attribute."
+ ;; Works *before* syntax recognition is done
+ (or st-l (setq st-l (list nil))) ; Avoid overwriting '()
+ (let (st b p reset-st after-first (start (point)) start1 end1)
+ (condition-case b
+ (while (looking-at
+ (concat
+ "\\(" ; 1=optional? colon
+ ":" cperl-maybe-white-and-comment-rex ; 2=whitespace/comment?
+ "\\)"
+ (if after-first "?" "")
+ ;; No space between name and paren allowed...
+ "\\(\\sw+\\)" ; 3=name
+ "\\((\\)?")) ; 4=optional paren
+ (and (match-beginning 1)
+ (cperl-postpone-fontification
+ (match-beginning 0) (cperl-1+ (match-beginning 0))
+ 'face font-lock-constant-face))
+ (setq start1 (match-beginning 3) end1 (match-end 3))
+ (cperl-postpone-fontification start1 end1
+ 'face font-lock-constant-face)
+ (goto-char end1) ; end or before `('
+ (if (match-end 4) ; Have attribute arguments...
+ (progn
+ (if st nil
+ (setq st (cperl-cached-syntax-table st-l))
+ (modify-syntax-entry ?\( "()" st)
+ (modify-syntax-entry ?\) ")(" st))
+ (setq reset-st (syntax-table) p (point))
+ (set-syntax-table st)
+ (forward-sexp 1)
+ (set-syntax-table reset-st)
+ (setq reset-st nil)
+ (cperl-commentify p (point) t))) ; mark as string
+ (forward-comment (buffer-size))
+ (setq after-first t))
+ (error (message
+ "L%d: attribute `%s': %s"
+ (count-lines (point-min) (point))
+ (and start1 end1 (buffer-substring start1 end1)) b)
+ (setq start nil)))
+ (and start
+ (progn
+ (put-text-property start (point)
+ 'attrib-group (if (looking-at "{") t 0))
+ (and pos
+ (< 1 (count-lines (+ 3 pos) (point))) ; end of `sub'
+ ;; Apparently, we do not need `multiline': faces added now
+ (put-text-property (+ 3 pos) (cperl-1+ (point))
+ 'syntax-type 'sub-decl))
+ (and b-fname ; Fontify here: the following condition
+ (cperl-postpone-fontification ; is too hard to determine by
+ b-fname e-fname 'face ; a REx, so do it here
+ (if (looking-at "{")
+ font-lock-function-name-face
+ font-lock-variable-name-face)))))
+ ;; now restore the initial state
+ (if st
+ (progn
+ (modify-syntax-entry ?\( "." st)
+ (modify-syntax-entry ?\) "." st)))
+ (if reset-st
+ (set-syntax-table reset-st))))
+
+(defsubst cperl-look-at-leading-count (is-x-REx e)
+ (if (and
+ (< (point) e)
+ (re-search-forward (concat "\\=" (if is-x-REx "[ \t\n]*" "") "[{?+*]")
+ (1- e) t)) ; return nil on failure, no moving
+ (if (eq ?\{ (preceding-char)) nil
+ (cperl-postpone-fontification
+ (1- (point)) (point)
+ 'face font-lock-warning-face))))
+
+;;; Debugging this may require (setq max-specpdl-size 2000)...
+(defun cperl-find-pods-heres (&optional min max non-inter end ignore-max end-of-here-doc)
"Scans the buffer for hard-to-parse Perl constructions.
If `cperl-pod-here-fontify' is not-nil after evaluation, will fontify
the sections using `cperl-pod-head-face', `cperl-pod-face',
`cperl-here-face'."
(interactive)
- (or min (setq min (point-min)
+ (or min (setq min (point-min)
cperl-syntax-state nil
cperl-syntax-done-to min))
(or max (setq max (point-max)))
(let* ((cperl-pod-here-fontify (eval cperl-pod-here-fontify)) go tmpend
face head-face here-face b e bb tag qtag b1 e1 argument i c tail tb
- is-REx is-x-REx REx-comment-start REx-comment-end was-comment i2
+ is-REx is-x-REx REx-subgr-start REx-subgr-end was-subgr i2 hairy-RE
(case-fold-search nil) (inhibit-read-only t) (buffer-undo-list t)
- (modified (buffer-modified-p))
+ (modified (buffer-modified-p)) overshoot is-o-REx
(after-change-functions nil)
+ (cperl-font-locking t)
(use-syntax-state (and cperl-syntax-state
(>= min (car cperl-syntax-state))))
(state-point (if use-syntax-state
;; (st-l '(nil)) (err-l '(nil)) ; Would overwrite - propagates from a function call to a function call!
(st-l (list nil)) (err-l (list nil))
;; Somehow font-lock may be not loaded yet...
+ ;; (e.g., when building TAGS via command-line call)
(font-lock-string-face (if (boundp 'font-lock-string-face)
font-lock-string-face
'font-lock-string-face))
- (font-lock-constant-face (if (boundp 'font-lock-constant-face)
+ (my-cperl-delimiters-face (if (boundp 'font-lock-constant-face)
font-lock-constant-face
'font-lock-constant-face))
- (font-lock-function-name-face
+ (my-cperl-REx-spec-char-face ; [] ^.$ and wrapper-of ({})
+ (if (boundp 'font-lock-function-name-face)
+ font-lock-function-name-face
+ 'font-lock-function-name-face))
+ (font-lock-variable-name-face ; interpolated vars and ({})-code
+ (if (boundp 'font-lock-variable-name-face)
+ font-lock-variable-name-face
+ 'font-lock-variable-name-face))
+ (font-lock-function-name-face ; used in `cperl-find-sub-attrs'
(if (boundp 'font-lock-function-name-face)
font-lock-function-name-face
'font-lock-function-name-face))
+ (font-lock-constant-face ; used in `cperl-find-sub-attrs'
+ (if (boundp 'font-lock-constant-face)
+ font-lock-constant-face
+ 'font-lock-constant-face))
+ (my-cperl-REx-0length-face ; 0-length, (?:)etc, non-literal \
+ (if (boundp 'font-lock-builtin-face)
+ font-lock-builtin-face
+ 'font-lock-builtin-face))
(font-lock-comment-face
(if (boundp 'font-lock-comment-face)
font-lock-comment-face
'font-lock-comment-face))
- (cperl-nonoverridable-face
+ (font-lock-warning-face
+ (if (boundp 'font-lock-warning-face)
+ font-lock-warning-face
+ 'font-lock-warning-face))
+ (my-cperl-REx-ctl-face ; (|)
+ (if (boundp 'font-lock-keyword-face)
+ font-lock-keyword-face
+ 'font-lock-keyword-face))
+ (my-cperl-REx-modifiers-face ; //gims
(if (boundp 'cperl-nonoverridable-face)
cperl-nonoverridable-face
'cperl-nonoverridable-face))
+ (my-cperl-REx-length1-face ; length=1 escaped chars, POSIX classes
+ (if (boundp 'font-lock-type-face)
+ font-lock-type-face
+ 'font-lock-type-face))
(stop-point (if ignore-max
(point-max)
max))
(search
(concat
- "\\(\\`\n?\\|^\n\\)="
+ "\\(\\`\n?\\|^\n\\)=" ; POD
"\\|"
;; One extra () before this:
- "<<"
+ "<<" ; HERE-DOC
"\\(" ; 1 + 1
;; First variant "BLAH" or just ``.
"[ \t]*" ; Yes, whitespace is allowed!
"\\)"
"\\|"
;; 1+6 extra () before this:
- "^[ \t]*\\(format\\)[ \t]*\\([a-zA-Z0-9_]+\\)?[ \t]*=[ \t]*$"
+ "^[ \t]*\\(format\\)[ \t]*\\([a-zA-Z0-9_]+\\)?[ \t]*=[ \t]*$" ;FRMAT
(if cperl-use-syntax-table-text-property
(concat
"\\|"
;; 1+6+2=9 extra () before this:
- "\\<\\(q[wxqr]?\\|[msy]\\|tr\\)\\>"
+ "\\<\\(q[wxqr]?\\|[msy]\\|tr\\)\\>" ; QUOTED CONSTRUCT
"\\|"
;; 1+6+2+1=10 extra () before this:
"\\([?/<]\\)" ; /blah/ or ?blah? or <file*glob>
"\\|"
- ;; 1+6+2+1+1=11 extra () before this:
- "\\<sub\\>[ \t]*\\([a-zA-Z_:'0-9]+[ \t]*\\)?\\(([^()]*)\\)"
+ ;; 1+6+2+1+1=11 extra () before this
+ "\\<sub\\>" ; sub with proto/attr
+ "\\("
+ cperl-white-and-comment-rex
+ "\\(::[a-zA-Z_:'0-9]*\\|[a-zA-Z_'][a-zA-Z_:'0-9]*\\)\\)?" ; name
+ "\\("
+ cperl-maybe-white-and-comment-rex
+ "\\(([^()]*)\\|:[^:]\\)\\)" ; prototype or attribute start
"\\|"
- ;; 1+6+2+1+1+2=13 extra () before this:
- "\\$\\(['{]\\)"
+ ;; 1+6+2+1+1+6=17 extra () before this:
+ "\\$\\(['{]\\)" ; $' or ${foo}
"\\|"
- ;; 1+6+2+1+1+2+1=14 extra () before this:
+ ;; 1+6+2+1+1+6+1=18 extra () before this (old pack'var syntax;
+ ;; we do not support intervening comments...):
"\\(\\<sub[ \t\n\f]+\\|[&*$@%]\\)[a-zA-Z0-9_]*'"
- ;; 1+6+2+1+1+2+1+1=15 extra () before this:
+ ;; 1+6+2+1+1+6+1+1=19 extra () before this:
"\\|"
- "__\\(END\\|DATA\\)__"
- ;; 1+6+2+1+1+2+1+1+1=16 extra () before this:
+ "__\\(END\\|DATA\\)__" ; __END__ or __DATA__
+ ;; 1+6+2+1+1+6+1+1+1=20 extra () before this:
"\\|"
- "\\\\\\(['`\"($]\\)")
+ "\\\\\\(['`\"($]\\)") ; BACKWACKED something-hairy
""))))
(unwind-protect
(progn
(save-excursion
(or non-inter
(message "Scanning for \"hard\" Perl constructions..."))
+ ;;(message "find: %s --> %s" min max)
(and cperl-pod-here-fontify
;; We had evals here, do not know why...
(setq face cperl-pod-face
here-face cperl-here-face))
(remove-text-properties min max
'(syntax-type t in-pod t syntax-table t
+ attrib-group t
+ REx-interpolated t
cperl-postpone t
syntax-subtype t
rear-nonsticky t
+ front-sticky t
here-doc-group t
first-format-line t
+ REx-part2 t
indentable t))
;; Need to remove face as well...
(goto-char min)
(and (eq system-type 'emx)
- (looking-at "extproc[ \t]") ; Analogue of #!
+ (eq (point) 1)
+ (let ((case-fold-search t))
+ (looking-at "extproc[ \t]")) ; Analogue of #!
(cperl-commentify min
(save-excursion (end-of-line) (point))
nil))
(< (point) max)
(re-search-forward search max t))
(setq tmpend nil) ; Valid for most cases
+ (setq b (match-beginning 0)
+ state (save-excursion (parse-partial-sexp
+ state-point b nil nil state))
+ state-point b)
(cond
+ ;; 1+6+2+1+1+6=17 extra () before this:
+ ;; "\\$\\(['{]\\)"
+ ((match-beginning 18) ; $' or ${foo}
+ (if (eq (preceding-char) ?\') ; $'
+ (progn
+ (setq b (1- (point))
+ state (parse-partial-sexp
+ state-point (1- b) nil nil state)
+ state-point (1- b))
+ (if (nth 3 state) ; in string
+ (cperl-modify-syntax-type (1- b) cperl-st-punct))
+ (goto-char (1+ b)))
+ ;; else: ${
+ (setq bb (match-beginning 0))
+ (cperl-modify-syntax-type bb cperl-st-punct)))
+ ;; No processing in strings/comments beyond this point:
+ ((or (nth 3 state) (nth 4 state))
+ t) ; Do nothing in comment/string
((match-beginning 1) ; POD section
;; "\\(\\`\n?\\|^\n\\)="
- (if (looking-at "cut\\>")
- (if ignore-max
+ (setq b (match-beginning 0)
+ state (parse-partial-sexp
+ state-point b nil nil state)
+ state-point b)
+ (if (or (nth 3 state) (nth 4 state)
+ (looking-at "cut\\>"))
+ (if (or (nth 3 state) (nth 4 state) ignore-max)
nil ; Doing a chunk only
(message "=cut is not preceded by a POD section")
(or (car err-l) (setcar err-l (point))))
(progn
(remove-text-properties
max e '(syntax-type t in-pod t syntax-table t
+ attrib-group t
+ REx-interpolated t
cperl-postpone t
syntax-subtype t
here-doc-group t
rear-nonsticky t
+ front-sticky t
first-format-line t
+ REx-part2 t
indentable t))
(setq tmpend tb)))
(put-text-property b e 'in-pod t)
(or (eq e (point-max))
(forward-char -1)))) ; Prepare for immediate POD start.
;; Here document
- ;; We do only one here-per-line
+ ;; We can do many here-per-line;
+ ;; but multiline quote on the same line as <<HERE confuses us...
;; ;; One extra () before this:
;;"<<"
;; "\\(" ; 1 + 1
;; "\\(\\)" ; To preserve count of pars :-( 6 + 1
;; "\\)"
((match-beginning 2) ; 1 + 1
- ;; Abort in comment:
- (setq b (point))
- (setq state (parse-partial-sexp state-point b nil nil state)
- state-point b
+ (setq b (point)
tb (match-beginning 0)
- i (or (nth 3 state) (nth 4 state)))
- (if i
- (setq c t)
- (setq c (and
- (match-beginning 5)
- (not (match-beginning 6)) ; Empty
- (looking-at
- "[ \t]*[=0-9$@%&(]"))))
+ c (and ; not HERE-DOC
+ (match-beginning 5)
+ (save-match-data
+ (or (looking-at "[ \t]*(") ; << function_call()
+ (save-excursion ; 1 << func_name, or $foo << 10
+ (condition-case nil
+ (progn
+ (goto-char tb)
+ ;;; XXX What to do: foo <<bar ???
+ ;;; XXX Need to support print {a} <<B ???
+ (forward-sexp -1)
+ (save-match-data
+ ; $foo << b; $f .= <<B;
+ ; ($f+1) << b; a($f) . <<B;
+ ; foo 1, <<B; $x{a} <<b;
+ (cond
+ ((looking-at "[0-9$({]")
+ (forward-sexp 1)
+ (and
+ (looking-at "[ \t]*<<")
+ (condition-case nil
+ ;; print $foo <<EOF
+ (progn
+ (forward-sexp -2)
+ (not
+ (looking-at "\\(printf?\\|system\\|exec\\|sort\\)\\>")))
+ (error t)))))))
+ (error nil))) ; func(<<EOF)
+ (and (not (match-beginning 6)) ; Empty
+ (looking-at
+ "[ \t]*[=0-9$@%&(]"))))))
(if c ; Not here-doc
nil ; Skip it.
+ (setq c (match-end 2)) ; 1 + 1
(if (match-beginning 5) ;4 + 1
(setq b1 (match-beginning 5) ; 4 + 1
e1 (match-end 5)) ; 4 + 1
qtag (regexp-quote tag))
(cond (cperl-pod-here-fontify
;; Highlight the starting delimiter
- (cperl-postpone-fontification b1 e1 'face font-lock-constant-face)
+ (cperl-postpone-fontification
+ b1 e1 'face my-cperl-delimiters-face)
(cperl-put-do-not-fontify b1 e1 t)))
(forward-line)
+ (setq i (point))
+ (if end-of-here-doc
+ (goto-char end-of-here-doc))
(setq b (point))
;; We do not search to max, since we may be called from
;; some hook of fontification, and max is random
(or (and (re-search-forward (concat "^" qtag "$")
stop-point 'toend)
- (eq (following-char) ?\n))
+ ;;;(eq (following-char) ?\n) ; XXXX WHY???
+ )
(progn ; Pretend we matched at the end
(goto-char (point-max))
(re-search-forward "\\'")
(if cperl-pod-here-fontify
(progn
;; Highlight the ending delimiter
- (cperl-postpone-fontification (match-beginning 0) (match-end 0)
- 'face font-lock-constant-face)
+ (cperl-postpone-fontification
+ (match-beginning 0) (match-end 0)
+ 'face my-cperl-delimiters-face)
(cperl-put-do-not-fontify b (match-end 0) t)
;; Highlight the HERE-DOC
(cperl-postpone-fontification b (match-beginning 0)
'syntax-type 'here-doc)
(put-text-property (match-beginning 0) e1
'syntax-type 'here-doc-delim)
- (put-text-property b e1
- 'here-doc-group t)
+ (put-text-property b e1 'here-doc-group t)
+ ;; This makes insertion at the start of HERE-DOC update
+ ;; the whole construct:
+ (put-text-property b (cperl-1+ b) 'front-sticky '(syntax-type))
(cperl-commentify b e1 nil)
(cperl-put-do-not-fontify b (match-end 0) t)
+ ;; Cache the syntax info...
+ (setq cperl-syntax-state (cons state-point state))
+ ;; ... and process the rest of the line...
+ (setq overshoot
+ (elt ; non-inter ignore-max
+ (cperl-find-pods-heres c i t end t e1) 1))
+ (if (and overshoot (> overshoot (point)))
+ (goto-char overshoot)
+ (setq overshoot e1))
(if (> e1 max)
(setq tmpend tb))))
;; format
(if (> (point) max)
(setq tmpend tb))
(put-text-property b (point) 'syntax-type 'format))
- ;; Regexp:
+ ;; qq-like String or Regexp:
((or (match-beginning 10) (match-beginning 11))
;; 1+6+2=9 extra () before this:
;; "\\<\\(q[wxqr]?\\|[msy]\\|tr\\)\\>"
(setq b1 (if (match-beginning 10) 10 11)
argument (buffer-substring
(match-beginning b1) (match-end b1))
- b (point)
+ b (point) ; end of qq etc
i b
c (char-after (match-beginning b1))
- bb (char-after (1- (match-beginning b1))) ; tmp holder
+ bb (char-after (1- (match-beginning b1))) ; tmp holder
;; bb == "Not a stringy"
bb (if (eq b1 10) ; user variables/whatever
(and (memq bb (append "$@%*#_:-&>" nil)) ; $#y)
(- (match-beginning b1) 2))
?\-))
((eq bb ?\&)
- (not (eq (char-after ; &&m/blah/
+ (not (eq (char-after ; &&m/blah/
(- (match-beginning b1) 2))
?\&)))
(t t)))
(setq argument ""
b1 nil
bb ; Not a regexp?
- (progn
- (not
- ;; What is below: regexp-p?
- (and
- (or (memq (preceding-char)
- (append (if (memq c '(?\? ?\<))
- ;; $a++ ? 1 : 2
- "~{(=|&*!,;:"
- "~{(=|&+-*!,;:") nil))
- (and (eq (preceding-char) ?\})
- (cperl-after-block-p (point-min)))
- (and (eq (char-syntax (preceding-char)) ?w)
- (progn
- (forward-sexp -1)
+ (not
+ ;; What is below: regexp-p?
+ (and
+ (or (memq (preceding-char)
+ (append (if (memq c '(?\? ?\<))
+ ;; $a++ ? 1 : 2
+ "~{(=|&*!,;:["
+ "~{(=|&+-*!,;:[") nil))
+ (and (eq (preceding-char) ?\})
+ (cperl-after-block-p (point-min)))
+ (and (eq (char-syntax (preceding-char)) ?w)
+ (progn
+ (forward-sexp -1)
;;; After these keywords `/' starts a RE. One should add all the
;;; functions/builtins which expect an argument, but ...
- (if (eq (preceding-char) ?-)
- ;; -d ?foo? is a RE
- (looking-at "[a-zA-Z]\\>")
- (and
- (not (memq (preceding-char)
- '(?$ ?@ ?& ?%)))
- (looking-at
- "\\(while\\|if\\|unless\\|until\\|and\\|or\\|not\\|xor\\|split\\|grep\\|map\\|print\\)\\>")))))
- (and (eq (preceding-char) ?.)
- (eq (char-after (- (point) 2)) ?.))
- (bobp))
- ;; m|blah| ? foo : bar;
- (not
- (and (eq c ?\?)
- cperl-use-syntax-table-text-property
- (not (bobp))
- (progn
- (forward-char -1)
- (looking-at "\\s|")))))))
+ (if (eq (preceding-char) ?-)
+ ;; -d ?foo? is a RE
+ (looking-at "[a-zA-Z]\\>")
+ (and
+ (not (memq (preceding-char)
+ '(?$ ?@ ?& ?%)))
+ (looking-at
+ "\\(while\\|if\\|unless\\|until\\|and\\|or\\|not\\|xor\\|split\\|grep\\|map\\|print\\)\\>")))))
+ (and (eq (preceding-char) ?.)
+ (eq (char-after (- (point) 2)) ?.))
+ (bobp))
+ ;; m|blah| ? foo : bar;
+ (not
+ (and (eq c ?\?)
+ cperl-use-syntax-table-text-property
+ (not (bobp))
+ (progn
+ (forward-char -1)
+ (looking-at "\\s|"))))))
b (1- b))
;; s y tr m
;; Check for $a -> y
(eq (char-after (- go 2)) ?-))
;; Not a regexp
(setq bb t))))
- (or bb (setq state (parse-partial-sexp
- state-point b nil nil state)
- state-point b))
- (setq bb (or bb (nth 3 state) (nth 4 state)))
- (goto-char b)
(or bb
(progn
+ (goto-char b)
(if (looking-at "[ \t\n\f]+\\(#[^\n]*\n[ \t\n\f]*\\)+")
(goto-char (match-end 0))
(skip-chars-forward " \t\n\f"))
((and (eq (following-char) ?:)
(eq b1 ?\{) ; Check for $ { s::bar }
(looking-at "::[a-zA-Z0-9_:]*[ \t\n\f]*}")
- (progn
+ (progn
(goto-char (1- go))
(skip-chars-backward " \t\n\f")
(memq (preceding-char)
(append "$@%&*" nil))))
+ (setq bb t))
+ ((eobp)
(setq bb t)))))
(if bb
(goto-char i)
;; qtag means two-arg matcher, may be reset to
;; 2 or 3 later if some special quoting is needed.
;; e1 means matching-char matcher.
- (setq b (point)
+ (setq b (point) ; before the first delimiter
;; has 2 args
i2 (string-match "^\\([sy]\\|tr\\)$" argument)
;; We do not search to max, since we may be called from
;; some hook of fontification, and max is random
i (cperl-forward-re stop-point end
i2
- t st-l err-l argument)
- ;; Note that if `go', then it is considered as 1-arg
+ st-l err-l argument)
+ ;; If `go', then it is considered as 1-arg, `b1' is nil
+ ;; as in s/foo//x; the point is before final "slash"
b1 (nth 1 i) ; start of the second part
tag (nth 2 i) ; ender-char, true if second part
; is with matching chars []
(1- e1))
e (if i i e1) ; end of the first part
qtag nil ; need to preserve backslashitis
- is-x-REx nil) ; REx has //x modifier
+ is-x-REx nil is-o-REx nil); REx has //x //o modifiers
+ ;; If s{} (), then b/b1 are at "{", "(", e1/i after ")", "}"
;; Commenting \\ is dangerous, what about ( ?
(and i tail
(eq (char-after i) ?\\)
(setq qtag t))
- (if (looking-at "\\sw*x") ; qr//x
- (setq is-x-REx t))
+ (and (if go (looking-at ".\\sw*x")
+ (looking-at "\\sw*x")) ; qr//x
+ (setq is-x-REx t))
+ (and (if go (looking-at ".\\sw*o")
+ (looking-at "\\sw*o")) ; //o
+ (setq is-o-REx t))
(if (null i)
;; Considered as 1arg form
(progn
(cperl-commentify b i t)
(if (looking-at "\\sw*e") ; s///e
(progn
+ ;; Cache the syntax info...
+ (setq cperl-syntax-state (cons state-point state))
(and
;; silent:
- (cperl-find-pods-heres b1 (1- (point)) t end)
+ (car (cperl-find-pods-heres b1 (1- (point)) t end))
;; Error
(goto-char (1+ max)))
(if (and tag (eq (preceding-char) ?\>))
(cperl-modify-syntax-type (1- (point)) cperl-st-ket)
(cperl-modify-syntax-type i cperl-st-bra)))
(put-text-property b i 'syntax-type 'string)
+ (put-text-property i (point) 'syntax-type 'multiline)
(if is-x-REx
(put-text-property b i 'indentable t)))
(cperl-commentify b1 (point) t)
(forward-word 1) ; skip modifiers s///s
(if tail (cperl-commentify tail (point) t))
(cperl-postpone-fontification
- e1 (point) 'face 'cperl-nonoverridable-face)))
+ e1 (point) 'face my-cperl-REx-modifiers-face)))
;; Check whether it is m// which means "previous match"
;; and highlight differently
(setq is-REx
(not (looking-at "split\\>")))
(error t))))
(cperl-postpone-fontification
- b e 'face font-lock-function-name-face)
+ b e 'face font-lock-warning-face)
(if (or i2 ; Has 2 args
(and cperl-fontify-m-as-s
(or
(not (eq ?\< (char-after b)))))))
(progn
(cperl-postpone-fontification
- b (cperl-1+ b) 'face font-lock-constant-face)
+ b (cperl-1+ b) 'face my-cperl-delimiters-face)
(cperl-postpone-fontification
- (1- e) e 'face font-lock-constant-face)))
+ (1- e) e 'face my-cperl-delimiters-face)))
(if (and is-REx cperl-regexp-scan)
- ;; Process RExen better
+ ;; Process RExen: embedded comments, charclasses and ]
+;;;/\3333\xFg\x{FFF}a\ppp\PPP\qqq\C\99f(?{ foo })(??{ foo })/;
+;;;/a\.b[^a[:ff:]b]x$ab->$[|$,$ab->[cd]->[ef]|$ab[xy].|^${a,b}{c,d}/;
+;;;/(?<=foo)(?<!bar)(x)(?:$ab|\$\/)$|\\\b\x888\776\[\:$/xxx;
+;;;m?(\?\?{b,a})? + m/(??{aa})(?(?=xx)aa|bb)(?#aac)/;
+;;;m$(^ab[c]\$)$ + m+(^ab[c]\$\+)+ + m](^ab[c\]$|.+)] + m)(^ab[c]$|.+\));
+;;;m^a[\^b]c^ + m.a[^b]\.c.;
(save-excursion
(goto-char (1+ b))
+ ;; First
+ (cperl-look-at-leading-count is-x-REx e)
+ (setq hairy-RE
+ (concat
+ (if is-x-REx
+ (if (eq (char-after b) ?\#)
+ "\\((\\?\\\\#\\)\\|\\(\\\\#\\)"
+ "\\((\\?#\\)\\|\\(#\\)")
+ ;; keep the same count: add a fake group
+ (if (eq (char-after b) ?\#)
+ "\\((\\?\\\\#\\)\\(\\)"
+ "\\((\\?#\\)\\(\\)"))
+ "\\|"
+ "\\(\\[\\)" ; 3=[
+ "\\|"
+ "\\(]\\)" ; 4=]
+ "\\|"
+ ;; XXXX Will not be able to use it in s)))
+ (if (eq (char-after b) ?\) )
+ "\\())))\\)" ; Will never match
+ (if (eq (char-after b) ?? )
+ ;;"\\((\\\\\\?\\(\\\\\\?\\)?{\\)"
+ "\\((\\\\\\?\\\\\\?{\\|()\\\\\\?{\\)"
+ "\\((\\?\\??{\\)")) ; 5= (??{ (?{
+ "\\|" ; 6= 0-length, 7: name, 8,9:code, 10:group
+ "\\(" ;; XXXX 1-char variables, exc. |()\s
+ "[$@]"
+ "\\("
+ "[_a-zA-Z:][_a-zA-Z0-9:]*"
+ "\\|"
+ "{[^{}]*}" ; only one-level allowed
+ "\\|"
+ "[^{(|) \t\r\n\f]"
+ "\\)"
+ "\\(" ;;8,9:code part of array/hash elt
+ "\\(" "->" "\\)?"
+ "\\[[^][]*\\]"
+ "\\|"
+ "{[^{}]*}"
+ "\\)*"
+ ;; XXXX: what if u is delim?
+ "\\|"
+ "[)^|$.*?+]"
+ "\\|"
+ "{[0-9]+}"
+ "\\|"
+ "{[0-9]+,[0-9]*}"
+ "\\|"
+ "\\\\[luLUEQbBAzZG]"
+ "\\|"
+ "(" ; Group opener
+ "\\(" ; 10 group opener follower
+ "\\?\\((\\?\\)" ; 11: in (?(?=C)A|B)
+ "\\|"
+ "\\?[:=!>?{]" ; "?" something
+ "\\|"
+ "\\?[-imsx]+[:)]" ; (?i) (?-s:.)
+ "\\|"
+ "\\?([0-9]+)" ; (?(1)foo|bar)
+ "\\|"
+ "\\?<[=!]"
+ ;;;"\\|"
+ ;;; "\\?"
+ "\\)?"
+ "\\)"
+ "\\|"
+ "\\\\\\(.\\)" ; 12=\SYMBOL
+ ))
(while
- (and (< (point) e)
- (re-search-forward
- (if is-x-REx
- (if (eq (char-after b) ?\#)
- "\\((\\?\\\\#\\)\\|\\(\\\\#\\)"
- "\\((\\?#\\)\\|\\(#\\)")
- (if (eq (char-after b) ?\#)
- "\\((\\?\\\\#\\)"
- "\\((\\?#\\)"))
- (1- e) 'to-end))
+ (and (< (point) (1- e))
+ (re-search-forward hairy-RE (1- e) 'to-end))
(goto-char (match-beginning 0))
- (setq REx-comment-start (point)
- was-comment t)
- (if (save-excursion
- (and
- ;; XXX not working if outside delimiter is #
- (eq (preceding-char) ?\\)
- (= (% (skip-chars-backward "$\\\\") 2) -1)))
- ;; Not a comment, avoid loop:
- (progn (setq was-comment nil)
- (forward-char 1))
- (if (match-beginning 2)
+ (setq REx-subgr-start (point)
+ was-subgr (following-char))
+ (cond
+ ((match-beginning 6) ; 0-length builtins, groups
+ (goto-char (match-end 0))
+ (if (match-beginning 11)
+ (goto-char (match-beginning 11)))
+ (if (>= (point) e)
+ (goto-char (1- e)))
+ (cperl-postpone-fontification
+ (match-beginning 0) (point)
+ 'face
+ (cond
+ ((eq was-subgr ?\) )
+ (condition-case nil
+ (save-excursion
+ (forward-sexp -1)
+ (if (> (point) b)
+ (if (if (eq (char-after b) ?? )
+ (looking-at "(\\\\\\?")
+ (eq (char-after (1+ (point))) ?\?))
+ my-cperl-REx-0length-face
+ my-cperl-REx-ctl-face)
+ font-lock-warning-face))
+ (error font-lock-warning-face)))
+ ((eq was-subgr ?\| )
+ my-cperl-REx-ctl-face)
+ ((eq was-subgr ?\$ )
+ (if (> (point) (1+ REx-subgr-start))
+ (progn
+ (put-text-property
+ (match-beginning 0) (point)
+ 'REx-interpolated
+ (if is-o-REx 0
+ (if (and (eq (match-beginning 0)
+ (1+ b))
+ (eq (point)
+ (1- e))) 1 t)))
+ font-lock-variable-name-face)
+ my-cperl-REx-spec-char-face))
+ ((memq was-subgr (append "^." nil) )
+ my-cperl-REx-spec-char-face)
+ ((eq was-subgr ?\( )
+ (if (not (match-beginning 10))
+ my-cperl-REx-ctl-face
+ my-cperl-REx-0length-face))
+ (t my-cperl-REx-0length-face)))
+ (if (and (memq was-subgr (append "(|" nil))
+ (not (string-match "(\\?[-imsx]+)"
+ (match-string 0))))
+ (cperl-look-at-leading-count is-x-REx e))
+ (setq was-subgr nil)) ; We do stuff here
+ ((match-beginning 12) ; \SYMBOL
+ (forward-char 2)
+ (if (>= (point) e)
+ (goto-char (1- e))
+ ;; How many chars to not highlight:
+ ;; 0-len special-alnums in other branch =>
+ ;; Generic: \non-alnum (1), \alnum (1+face)
+ ;; Is-delim: \non-alnum (1/spec-2) alnum-1 (=what hai)
+ (setq REx-subgr-start (point)
+ qtag (preceding-char))
+ (cperl-postpone-fontification
+ (- (point) 2) (- (point) 1) 'face
+ (if (memq qtag
+ (append "ghijkmoqvFHIJKMORTVY" nil))
+ font-lock-warning-face
+ my-cperl-REx-0length-face))
+ (if (and (eq (char-after b) qtag)
+ (memq qtag (append ".])^$|*?+" nil)))
+ (progn
+ (if (and cperl-use-syntax-table-text-property
+ (eq qtag ?\) ))
+ (put-text-property
+ REx-subgr-start (1- (point))
+ 'syntax-table cperl-st-punct))
+ (cperl-postpone-fontification
+ (1- (point)) (point) 'face
+ ; \] can't appear below
+ (if (memq qtag (append ".]^$" nil))
+ 'my-cperl-REx-spec-char-face
+ (if (memq qtag (append "*?+" nil))
+ 'my-cperl-REx-0length-face
+ 'my-cperl-REx-ctl-face))))) ; )|
+ ;; Test for arguments:
+ (cond
+ ;; This is not pretty: the 5.8.7 logic:
+ ;; \0numx -> octal (up to total 3 dig)
+ ;; \DIGIT -> backref unless \0
+ ;; \DIGITs -> backref if legal
+ ;; otherwise up to 3 -> octal
+ ;; Do not try to distinguish, we guess
+ ((or (and (memq qtag (append "01234567" nil))
+ (re-search-forward
+ "\\=[01234567]?[01234567]?"
+ (1- e) 'to-end))
+ (and (memq qtag (append "89" nil))
+ (re-search-forward
+ "\\=[0123456789]*" (1- e) 'to-end))
+ (and (eq qtag ?x)
+ (re-search-forward
+ "\\=[0-9a-fA-F][0-9a-fA-F]?\\|\\={[0-9a-fA-F]+}"
+ (1- e) 'to-end))
+ (and (memq qtag (append "pPN" nil))
+ (re-search-forward "\\={[^{}]+}\\|."
+ (1- e) 'to-end))
+ (eq (char-syntax qtag) ?w))
+ (cperl-postpone-fontification
+ (1- REx-subgr-start) (point)
+ 'face my-cperl-REx-length1-face))))
+ (setq was-subgr nil)) ; We do stuff here
+ ((match-beginning 3) ; [charclass]
+ (forward-char 1)
+ (if (eq (char-after b) ?^ )
+ (and (eq (following-char) ?\\ )
+ (eq (char-after (cperl-1+ (point)))
+ ?^ )
+ (forward-char 2))
+ (and (eq (following-char) ?^ )
+ (forward-char 1)))
+ (setq argument b ; continue?
+ tag nil ; list of POSIX classes
+ qtag (point))
+ (if (eq (char-after b) ?\] )
+ (and (eq (following-char) ?\\ )
+ (eq (char-after (cperl-1+ (point)))
+ ?\] )
+ (setq qtag (1+ qtag))
+ (forward-char 2))
+ (and (eq (following-char) ?\] )
+ (forward-char 1)))
+ ;; Apparently, I can't put \] into a charclass
+ ;; in m]]: m][\\\]\]] produces [\\]]
+;;; POSIX? [:word:] [:^word:] only inside []
+;;; "\\=\\(\\\\.\\|[^][\\\\]\\|\\[:\\^?\sw+:]\\|\\[[^:]\\)*]")
+ (while
+ (and argument
+ (re-search-forward
+ (if (eq (char-after b) ?\] )
+ "\\=\\(\\\\[^]]\\|[^]\\\\]\\)*\\\\]"
+ "\\=\\(\\\\.\\|[^]\\\\]\\)*]")
+ (1- e) 'toend))
+ ;; Is this ] an end of POSIX class?
+ (if (save-excursion
+ (and
+ (search-backward "[" argument t)
+ (< REx-subgr-start (point))
+ (not
+ (and ; Should work with delim = \
+ (eq (preceding-char) ?\\ )
+ (= (% (skip-chars-backward
+ "\\\\") 2) 0)))
+ (looking-at
+ (cond
+ ((eq (char-after b) ?\] )
+ "\\\\*\\[:\\^?\\sw+:\\\\\\]")
+ ((eq (char-after b) ?\: )
+ "\\\\*\\[\\\\:\\^?\\sw+\\\\:]")
+ ((eq (char-after b) ?^ )
+ "\\\\*\\[:\\(\\\\\\^\\)?\\sw+:\]")
+ ((eq (char-syntax (char-after b))
+ ?w)
+ (concat
+ "\\\\*\\[:\\(\\\\\\^\\)?\\(\\\\"
+ (char-to-string (char-after b))
+ "\\|\\sw\\)+:\]"))
+ (t "\\\\*\\[:\\^?\\sw*:]")))
+ (setq argument (point))))
+ (setq tag (cons (cons argument (point))
+ tag)
+ argument (point)) ; continue
+ (setq argument nil)))
+ (and argument
+ (message "Couldn't find end of charclass in a REx, pos=%s"
+ REx-subgr-start))
+ (if (and cperl-use-syntax-table-text-property
+ (> (- (point) 2) REx-subgr-start))
+ (put-text-property
+ (1+ REx-subgr-start) (1- (point))
+ 'syntax-table cperl-st-punct))
+ (cperl-postpone-fontification
+ REx-subgr-start qtag
+ 'face my-cperl-REx-spec-char-face)
+ (cperl-postpone-fontification
+ (1- (point)) (point) 'face
+ my-cperl-REx-spec-char-face)
+ (if (eq (char-after b) ?\] )
+ (cperl-postpone-fontification
+ (- (point) 2) (1- (point))
+ 'face my-cperl-REx-0length-face))
+ (while tag
+ (cperl-postpone-fontification
+ (car (car tag)) (cdr (car tag))
+ 'face my-cperl-REx-length1-face)
+ (setq tag (cdr tag)))
+ (setq was-subgr nil)) ; did facing already
+ ;; Now rare stuff:
+ ((and (match-beginning 2) ; #-comment
+ (/= (match-beginning 2) (match-end 2)))
+ (beginning-of-line 2)
+ (if (> (point) e)
+ (goto-char (1- e))))
+ ((match-beginning 4) ; character "]"
+ (setq was-subgr nil) ; We do stuff here
+ (goto-char (match-end 0))
+ (if cperl-use-syntax-table-text-property
+ (put-text-property
+ (1- (point)) (point)
+ 'syntax-table cperl-st-punct))
+ (cperl-postpone-fontification
+ (1- (point)) (point)
+ 'face font-lock-warning-face))
+ ((match-beginning 5) ; before (?{}) (??{})
+ (setq tag (match-end 0))
+ (if (or (setq qtag
+ (cperl-forward-group-in-re st-l))
+ (and (>= (point) e)
+ (setq qtag "no matching `)' found"))
+ (and (not (eq (char-after (- (point) 2))
+ ?\} ))
+ (setq qtag "Can't find })")))
(progn
- (beginning-of-line 2)
- (if (> (point) e)
- (goto-char (1- e))))
- ;; Works also if the outside delimiters are ().
- (or (search-forward ")" (1- e) 'toend)
- (message
- "Couldn't find end of (?#...)-comment in a REx, pos=%s"
- REx-comment-start))))
+ (goto-char (1- e))
+ (message qtag))
+ (cperl-postpone-fontification
+ (1- tag) (1- (point))
+ 'face font-lock-variable-name-face)
+ (cperl-postpone-fontification
+ REx-subgr-start (1- tag)
+ 'face my-cperl-REx-spec-char-face)
+ (cperl-postpone-fontification
+ (1- (point)) (point)
+ 'face my-cperl-REx-spec-char-face)
+ (if cperl-use-syntax-table-text-property
+ (progn
+ (put-text-property
+ (- (point) 2) (1- (point))
+ 'syntax-table cperl-st-cfence)
+ (put-text-property
+ (+ REx-subgr-start 2)
+ (+ REx-subgr-start 3)
+ 'syntax-table cperl-st-cfence))))
+ (setq was-subgr nil))
+ (t ; (?#)-comment
+ ;; Inside "(" and "\" arn't special in any way
+ ;; Works also if the outside delimiters are ().
+ (or;;(if (eq (char-after b) ?\) )
+ ;;(re-search-forward
+ ;; "[^\\\\]\\(\\\\\\\\\\)*\\\\)"
+ ;; (1- e) 'toend)
+ (search-forward ")" (1- e) 'toend)
+ ;;)
+ (message
+ "Couldn't find end of (?#...)-comment in a REx, pos=%s"
+ REx-subgr-start))))
(if (>= (point) e)
(goto-char (1- e)))
- (if was-comment
- (progn
- (setq REx-comment-end (point))
- (cperl-commentify
- REx-comment-start REx-comment-end nil)
- (cperl-postpone-fontification
- REx-comment-start REx-comment-end
- 'face font-lock-comment-face))))))
+ (cond
+ (was-subgr
+ (setq REx-subgr-end (point))
+ (cperl-commentify
+ REx-subgr-start REx-subgr-end nil)
+ (cperl-postpone-fontification
+ REx-subgr-start REx-subgr-end
+ 'face font-lock-comment-face))))))
(if (and is-REx is-x-REx)
(put-text-property (1+ b) (1- e)
'syntax-subtype 'x-REx)))
- (if i2
- (progn
+ (if (and i2 e1 b1 (> e1 b1))
+ (progn ; No errors finding the second part...
(cperl-postpone-fontification
- (1- e1) e1 'face font-lock-constant-face)
+ (1- e1) e1 'face my-cperl-delimiters-face)
(if (assoc (char-after b) cperl-starters)
- (cperl-postpone-fontification
- b1 (1+ b1) 'face font-lock-constant-face))))
+ (progn
+ (cperl-postpone-fontification
+ b1 (1+ b1) 'face my-cperl-delimiters-face)
+ (put-text-property b1 (1+ b1)
+ 'REx-part2 t)))))
(if (> (point) max)
(setq tmpend tb))))
- ((match-beginning 13) ; sub with prototypes
- (setq b (match-beginning 0))
+ ((match-beginning 17) ; sub with prototype or attribute
+ ;; 1+6+2+1+1=11 extra () before this (sub with proto/attr):
+ ;;"\\<sub\\>\\(" ;12
+ ;; cperl-white-and-comment-rex ;13
+ ;; "\\([a-zA-Z_:'0-9]+\\)\\)?" ; name ;14
+ ;;"\\(" cperl-maybe-white-and-comment-rex ;15,16
+ ;; "\\(([^()]*)\\|:[^:]\\)\\)" ; 17:proto or attribute start
+ (setq b1 (match-beginning 14) e1 (match-end 14))
(if (memq (char-after (1- b))
'(?\$ ?\@ ?\% ?\& ?\*))
nil
- (setq state (parse-partial-sexp
- state-point b nil nil state)
- state-point b)
- (if (or (nth 3 state) (nth 4 state))
- nil
- ;; Mark as string
- (cperl-commentify (match-beginning 13) (match-end 13) t))
- (goto-char (match-end 0))))
- ;; 1+6+2+1+1+2=13 extra () before this:
- ;; "\\$\\(['{]\\)"
- ((and (match-beginning 14)
- (eq (preceding-char) ?\')) ; $'
- (setq b (1- (point))
- state (parse-partial-sexp
- state-point (1- b) nil nil state)
- state-point (1- b))
- (if (nth 3 state) ; in string
- (cperl-modify-syntax-type (1- b) cperl-st-punct))
- (goto-char (1+ b)))
- ;; 1+6+2+1+1+2=13 extra () before this:
- ;; "\\$\\(['{]\\)"
- ((match-beginning 14) ; ${
- (setq bb (match-beginning 0))
- (cperl-modify-syntax-type bb cperl-st-punct))
- ;; 1+6+2+1+1+2+1=14 extra () before this:
+ (goto-char b)
+ (if (eq (char-after (match-beginning 17)) ?\( )
+ (progn
+ (cperl-commentify ; Prototypes; mark as string
+ (match-beginning 17) (match-end 17) t)
+ (goto-char (match-end 0))
+ ;; Now look for attributes after prototype:
+ (forward-comment (buffer-size))
+ (and (looking-at ":[^:]")
+ (cperl-find-sub-attrs st-l b1 e1 b)))
+ ;; treat attributes without prototype
+ (goto-char (match-beginning 17))
+ (cperl-find-sub-attrs st-l b1 e1 b))))
+ ;; 1+6+2+1+1+6+1=18 extra () before this:
;; "\\(\\<sub[ \t\n\f]+\\|[&*$@%]\\)[a-zA-Z0-9_]*'")
- ((match-beginning 15) ; old $abc'efg syntax
- (setq bb (match-end 0)
- b (match-beginning 0)
- state (parse-partial-sexp
- state-point b nil nil state)
- state-point b)
- (if (nth 3 state) ; in string
- nil
- (put-text-property (1- bb) bb 'syntax-table cperl-st-word))
+ ((match-beginning 19) ; old $abc'efg syntax
+ (setq bb (match-end 0))
+ ;;;(if (nth 3 state) nil ; in string
+ (put-text-property (1- bb) bb 'syntax-table cperl-st-word)
(goto-char bb))
- ;; 1+6+2+1+1+2+1+1=15 extra () before this:
+ ;; 1+6+2+1+1+6+1+1=19 extra () before this:
;; "__\\(END\\|DATA\\)__"
- ((match-beginning 16) ; __END__, __DATA__
- (setq bb (match-end 0)
- b (match-beginning 0)
- state (parse-partial-sexp
- state-point b nil nil state)
- state-point b)
- (if (or (nth 3 state) (nth 4 state))
- nil
- ;; (put-text-property b (1+ bb) 'syntax-type 'pod) ; Cheat
- (cperl-commentify b bb nil)
- (setq end t))
- (goto-char bb))
- ((match-beginning 17) ; "\\\\\\(['`\"($]\\)"
- ;; Trailing backslash ==> non-quoting outside string/comment
- (setq bb (match-end 0)
- b (match-beginning 0))
+ ((match-beginning 20) ; __END__, __DATA__
+ (setq bb (match-end 0))
+ ;; (put-text-property b (1+ bb) 'syntax-type 'pod) ; Cheat
+ (cperl-commentify b bb nil)
+ (setq end t))
+ ;; "\\\\\\(['`\"($]\\)"
+ ((match-beginning 21)
+ ;; Trailing backslash; make non-quoting outside string/comment
+ (setq bb (match-end 0))
(goto-char b)
(skip-chars-backward "\\\\")
;;;(setq i2 (= (% (skip-chars-backward "\\\\") 2) -1))
- (setq state (parse-partial-sexp
- state-point b nil nil state)
- state-point b)
- (if (or (nth 3 state) (nth 4 state) )
- nil
- (cperl-modify-syntax-type b cperl-st-punct))
+ (cperl-modify-syntax-type b cperl-st-punct)
(goto-char bb))
(t (error "Error in regexp of the sniffer")))
(if (> (point) stop-point)
(or (car err-l) (setcar err-l b)))
(goto-char stop-point))))
(setq cperl-syntax-state (cons state-point state)
- cperl-syntax-done-to (or tmpend (max (point) max))))
+ ;; Do not mark syntax as done past tmpend???
+ cperl-syntax-done-to (or tmpend (max (point) max)))
+ ;;(message "state-at=%s, done-to=%s" state-point cperl-syntax-done-to)
+ )
(if (car err-l) (goto-char (car err-l))
(or non-inter
(message "Scanning for \"hard\" Perl constructions... done"))))
(not modified)
(set-buffer-modified-p nil))
(set-syntax-table cperl-mode-syntax-table))
- (car err-l)))
+ (list (car err-l) overshoot)))
+
+(defun cperl-find-pods-heres-region (min max)
+ (interactive "r")
+ (cperl-find-pods-heres min max))
(defun cperl-backward-to-noncomment (lim)
;; Stops at lim or after non-whitespace that is not in comment
+ ;; XXXX Wrongly understands end-of-multiline strings with # as comment
(let (stop p pr)
- (while (and (not stop) (> (point) (or lim 1)))
+ (while (and (not stop) (> (point) (or lim (point-min))))
(skip-chars-backward " \t\n\f" lim)
(setq p (point))
(beginning-of-line)
(if (memq (setq pr (get-text-property (point) 'syntax-type))
'(pod here-doc here-doc-delim))
- (cperl-unwind-to-safe nil)
- (or (looking-at "^[ \t]*\\(#\\|$\\)")
+ (progn
+ (cperl-unwind-to-safe nil)
+ (setq pr (get-text-property (point) 'syntax-type))))
+ (or (and (looking-at "^[ \t]*\\(#\\|$\\)")
+ (not (memq pr '(string prestring))))
(progn (cperl-to-comment-or-eol) (bolp))
(progn
(skip-chars-backward " \t")
(if (< p (point)) (goto-char p))
- (setq stop t)))))))
+ (setq stop t))))))
+;; Used only in `cperl-calculate-indent'...
+(defun cperl-block-p () ; Do not C-M-q ! One string contains ";" !
+ ;; Positions is before ?\{. Checks whether it starts a block.
+ ;; No save-excursion! This is more a distinguisher of a block/hash ref...
+ (cperl-backward-to-noncomment (point-min))
+ (or (memq (preceding-char) (append ";){}$@&%\C-@" nil)) ; Or label! \C-@ at bobp
+ ; Label may be mixed up with `$blah :'
+ (save-excursion (cperl-after-label))
+ (get-text-property (cperl-1- (point)) 'attrib-group)
+ (and (memq (char-syntax (preceding-char)) '(?w ?_))
+ (progn
+ (backward-sexp)
+ ;; sub {BLK}, print {BLK} $data, but NOT `bless', `return', `tr'
+ (or (and (looking-at "[a-zA-Z0-9_:]+[ \t\n\f]*[{#]") ; Method call syntax
+ (not (looking-at "\\(bless\\|return\\|q[wqrx]?\\|tr\\|[smy]\\)\\>")))
+ ;; sub bless::foo {}
+ (progn
+ (cperl-backward-to-noncomment (point-min))
+ (and (eq (preceding-char) ?b)
+ (progn
+ (forward-sexp -1)
+ (looking-at "sub[ \t\n\f#]")))))))))
+
+;;; What is the difference of (cperl-after-block-p lim t) and (cperl-block-p)?
+;;; No save-excursion; condition-case ... In (cperl-block-p) the block
+;;; may be a part of an in-statement construct, such as
+;;; ${something()}, print {FH} $data.
+;;; Moreover, one takes positive approach (looks for else,grep etc)
+;;; another negative (looks for bless,tr etc)
(defun cperl-after-block-p (lim &optional pre-block)
- "Return true if the preceeding } ends a block or a following { starts one.
-Would not look before LIM. If PRE-BLOCK is nil checks preceeding }.
-otherwise following {."
- ;; We suppose that the preceding char is }.
+ "Return true if the preceeding } (if PRE-BLOCK, following {) delimits a block.
+Would not look before LIM. Assumes that LIM is a good place to begin a
+statement. The kind of block we treat here is one after which a new
+statement would start; thus the block in ${func()} does not count."
(save-excursion
(condition-case nil
(progn
(or pre-block (forward-sexp -1))
(cperl-backward-to-noncomment lim)
(or (eq (point) lim)
- (eq (preceding-char) ?\) ) ; if () {} sub f () {}
- (if (eq (char-syntax (preceding-char)) ?w) ; else {}
+ ;; if () {} // sub f () {} // sub f :a(') {}
+ (eq (preceding-char) ?\) )
+ ;; label: {}
+ (save-excursion (cperl-after-label))
+ ;; sub :attr {}
+ (get-text-property (cperl-1- (point)) 'attrib-group)
+ (if (memq (char-syntax (preceding-char)) '(?w ?_)) ; else {}
(save-excursion
(forward-sexp -1)
- (or (looking-at "\\(else\\|continue\\|grep\\|map\\|BEGIN\\|END\\|CHECK\\|INIT\\)\\>")
+ ;; else {} but not else::func {}
+ (or (and (looking-at "\\(else\\|continue\\|grep\\|map\\|BEGIN\\|END\\|CHECK\\|INIT\\)\\>")
+ (not (looking-at "\\(\\sw\\|_\\)+::")))
;; sub f {}
(progn
(cperl-backward-to-noncomment lim)
- (and (eq (char-syntax (preceding-char)) ?w)
+ (and (eq (preceding-char) ?b)
(progn
(forward-sexp -1)
- (looking-at "sub\\>"))))))
+ (looking-at "sub[ \t\n\f#]"))))))
+ ;; What preceeds is not word... XXXX Last statement in sub???
(cperl-after-expr-p lim))))
(error nil))))
(if (get-text-property (point) 'here-doc-group)
(progn
(goto-char
- (previous-single-property-change (point) 'here-doc-group))
+ (cperl-beginning-of-property (point) 'here-doc-group))
(beginning-of-line 0)))
(if (get-text-property (point) 'in-pod)
(progn
(goto-char
- (previous-single-property-change (point) 'in-pod))
+ (cperl-beginning-of-property (point) 'in-pod))
(beginning-of-line 0)))
(if (looking-at "^[ \t]*\\(#\\|$\\)") nil ; Only comment, skip
;; Else: last iteration, or a label
(progn
(forward-char -1)
(skip-chars-backward " \t\n\f" lim)
- (eq (char-syntax (preceding-char)) ?w)))
+ (memq (char-syntax (preceding-char)) '(?w ?_))))
(forward-sexp -1) ; Possibly label. Skip it
(goto-char p)
(setq stop t))))
(eq (get-text-property (point) 'syntax-type)
'format)))))))))
+(defun cperl-backward-to-start-of-expr (&optional lim)
+ (condition-case nil
+ (progn
+ (while (and (or (not lim)
+ (> (point) lim))
+ (not (cperl-after-expr-p lim)))
+ (forward-sexp -1)
+ ;; May be after $, @, $# etc of a variable
+ (skip-chars-backward "$@%#")))
+ (error nil)))
+
+(defun cperl-at-end-of-expr (&optional lim)
+ ;; Since the SEXP approach below is very fragile, do some overengineering
+ (or (looking-at (concat cperl-maybe-white-and-comment-rex "[;}]"))
+ (condition-case nil
+ (save-excursion
+ ;; If nothing interesting after, does as (forward-sexp -1);
+ ;; otherwise fails, or ends at a start of following sexp.
+ ;; XXXX PROBLEMS: if what follows (after ";") @FOO, or ${bar}
+ ;; may be stuck after @ or $; just put some stupid workaround now:
+ (let ((p (point)))
+ (forward-sexp 1)
+ (forward-sexp -1)
+ (while (memq (preceding-char) (append "%&@$*" nil))
+ (forward-char -1))
+ (or (< (point) p)
+ (cperl-after-expr-p lim))))
+ (error t))))
+
+(defun cperl-forward-to-end-of-expr (&optional lim)
+ (let ((p (point))))
+ (condition-case nil
+ (progn
+ (while (and (< (point) (or lim (point-max)))
+ (not (cperl-at-end-of-expr)))
+ (forward-sexp 1)))
+ (error nil)))
+
(defun cperl-backward-to-start-of-continued-exp (lim)
(if (memq (preceding-char) (append ")]}\"'`" nil))
(forward-sexp -1))
(beginning-of-line)
(while (null done)
(setq top (point))
- (while (= (nth 0 (parse-partial-sexp (point) tmp-end
- -1)) -1)
+ ;; Plan A: if line has an unfinished paren-group, go to end-of-group
+ (while (= -1 (nth 0 (parse-partial-sexp (point) tmp-end -1)))
(setq top (point))) ; Get the outermost parenths in line
(goto-char top)
(while (< (point) tmp-end)
(parse-partial-sexp (point) tmp-end nil t) ; To start-sexp or eol
(or (eolp) (forward-sexp 1)))
- (if (> (point) tmp-end)
- (save-excursion
- (end-of-line)
- (setq tmp-end (point)))
- (setq done t)))
+ (if (> (point) tmp-end) ; Yes, there an unfinished block
+ nil
+ (if (eq ?\) (preceding-char))
+ (progn ;; Plan B: find by REGEXP block followup this line
+ (setq top (point))
+ (condition-case nil
+ (progn
+ (forward-sexp -2)
+ (if (eq (following-char) ?$ ) ; for my $var (list)
+ (progn
+ (forward-sexp -1)
+ (if (looking-at "\\(my\\|local\\|our\\)\\>")
+ (forward-sexp -1))))
+ (if (looking-at
+ (concat "\\(\\elsif\\|if\\|unless\\|while\\|until"
+ "\\|for\\(each\\)?\\>\\(\\("
+ cperl-maybe-white-and-comment-rex
+ "\\(my\\|local\\|our\\)\\)?"
+ cperl-maybe-white-and-comment-rex
+ "\\$[_a-zA-Z0-9]+\\)?\\)\\>"))
+ (progn
+ (goto-char top)
+ (forward-sexp 1)
+ (setq top (point)))))
+ (error (setq done t)))
+ (goto-char top))
+ (if (looking-at ; Try Plan C: continuation block
+ (concat cperl-maybe-white-and-comment-rex
+ "\\<\\(else\\|elsif\|continue\\)\\>"))
+ (progn
+ (goto-char (match-end 0))
+ (save-excursion
+ (end-of-line)
+ (setq tmp-end (point))))
+ (setq done t))))
+ (save-excursion
+ (end-of-line)
+ (setq tmp-end (point))))
(goto-char tmp-end)
(setq tmp-end (point-marker)))
(if cperl-indent-region-fix-constructs
;; Looking at:
;; }
;; else
- (if (and cperl-merge-trailing-else
- (looking-at
- "[ \t]*}[ \t]*\n[ \t\n]*\\(els\\(e\\|if\\)\\|continue\\)\\>"))
- (progn
- (search-forward "}")
- (setq p (point))
- (skip-chars-forward " \t\n")
- (delete-region p (point))
- (insert (make-string cperl-indent-region-fix-constructs ?\ ))
- (beginning-of-line)))
+ (if cperl-merge-trailing-else
+ (if (looking-at
+ "[ \t]*}[ \t]*\n[ \t\n]*\\(els\\(e\\|if\\)\\|continue\\)\\>")
+ (progn
+ (search-forward "}")
+ (setq p (point))
+ (skip-chars-forward " \t\n")
+ (delete-region p (point))
+ (insert (make-string cperl-indent-region-fix-constructs ?\ ))
+ (beginning-of-line)))
+ (if (looking-at "[ \t]*}[ \t]*\\(els\\(e\\|if\\)\\|continue\\)\\>")
+ (save-excursion
+ (search-forward "}")
+ (delete-horizontal-space)
+ (insert "\n")
+ (setq ret (point))
+ (if (cperl-indent-line parse-data)
+ (progn
+ (cperl-fix-line-spacing end parse-data)
+ (setq ret (point)))))))
;; Looking at:
;; } else
(if (looking-at "[ \t]*}\\(\t*\\|[ \t][ \t]+\\)\\<\\(els\\(e\\|if\\)\\|continue\\)\\>")
(insert
(make-string cperl-indent-region-fix-constructs ?\ ))
(beginning-of-line)))
- ;; Looking at:
- ;; } foreach my $var () {
+ ;; Looking at (with or without "}" at start, ending after "({"):
+ ;; } foreach my $var () OR {
(if (looking-at
"[ \t]*\\(}[ \t]*\\)?\\<\\(\\els\\(e\\|if\\)\\|continue\\|if\\|unless\\|while\\|for\\(each\\)?\\(\\([ \t]+\\(my\\|local\\|our\\)\\)?[ \t]*\\$[_a-zA-Z0-9]+\\)?\\|until\\)\\>\\([ \t]*(\\|[ \t\n]*{\\)\\|[ \t]*{")
(progn
- (setq ml (match-beginning 8))
+ (setq ml (match-beginning 8)) ; "(" or "{" after control word
(re-search-forward "[({]")
(forward-char -1)
(setq p (point))
(if (eq (following-char) ?\( )
(progn
(forward-sexp 1)
- (setq pp (point)))
+ (setq pp (point))) ; past parenth-group
;; after `else' or nothing
(if ml ; after `else'
(skip-chars-backward " \t\n")
;; Multiline expr should be special
(setq ml (and pp (save-excursion (goto-char p)
(search-forward "\n" pp t))))
- (if (and (or (not pp) (< pp end))
+ (if (and (or (not pp) (< pp end)) ; Do not go too far...
(looking-at "[ \t\n]*{"))
(progn
(cond
((bolp) ; Were before `{', no if/else/etc
nil)
- ((looking-at "\\(\t*\\| [ \t]+\\){")
+ ((looking-at "\\(\t*\\| [ \t]+\\){") ; Not exactly 1 SPACE
(delete-horizontal-space)
(if (if ml
cperl-extra-newline-before-brace-multiline
(skip-chars-forward " \t\n")
(delete-region pp (point))
(insert
- (make-string cperl-indent-region-fix-constructs ?\ ))))
+ (make-string cperl-indent-region-fix-constructs ?\ )))
+ ((and (looking-at "[\t ]*{")
+ (if ml cperl-extra-newline-before-brace-multiline
+ cperl-extra-newline-before-brace))
+ (delete-horizontal-space)
+ (insert "\n")
+ (setq ret (point))
+ (if (cperl-indent-line parse-data)
+ (progn
+ (cperl-fix-line-spacing end parse-data)
+ (setq ret (point))))))
;; Now we are before `{'
(if (looking-at "[ \t\n]*{[ \t]*[^ \t\n#]")
(progn
(interactive "P")
(let (;; Non-nil if the current line contains a comment.
has-comment
-
+ fill-paragraph-function ; do not recurse
;; If has-comment, the appropriate fill-prefix for the comment.
comment-fill-prefix
;; Line that contains code and comment (or nil)
dc (- c (current-column)) len (- start (point))
start (point-marker))
(delete-char len)
- (insert (make-string dc ?-)))))
+ (insert (make-string dc ?-))))) ; Placeholder (to avoid splitting???)
(if (not has-comment)
(fill-paragraph justify) ; Do the usual thing outside of comment
;; Narrow to include only the comment, and then fill the region.
(goto-char (point-min))
(while (progn (forward-line 1) (< (point) (point-max)))
(skip-chars-forward " \t")
- (and (looking-at "#+")
- (delete-char (- (match-end 0) (match-beginning 0)))))
+ (if (looking-at "#+")
+ (progn
+ (if (and (eq (point) (match-beginning 0))
+ (not (eq (point) (match-end 0)))) nil
+ (error
+ "Bug in Emacs: `looking-at' in `narrow-to-region': match-data is garbage"))
+ (delete-char (- (match-end 0) (match-beginning 0))))))
;; Lines with only hashes on them can be paragraph boundaries.
(let ((paragraph-start (concat paragraph-start "\\|^[ \t#]*$"))
(setq comment-column c)
(indent-for-comment)
;; Repeat once more, flagging as iteration
- (cperl-fill-paragraph justify t)))))))
+ (cperl-fill-paragraph justify t))))))
+ t)
(defun cperl-do-auto-fill ()
;; Break out if the line is short enough
(let ((index-alist '()) (index-pack-alist '()) (index-pod-alist '())
(index-unsorted-alist '()) (i-s-f (default-value 'imenu-sort-function))
(index-meth-alist '()) meth
- packages ends-ranges p marker
- (prev-pos 0) char fchar index index1 name (end-range 0) package)
+ packages ends-ranges p marker is-proto
+ (prev-pos 0) is-pack index index1 name (end-range 0) package)
(goto-char (point-min))
(if noninteractive
(message "Scanning Perl for index")
nil t)
(or noninteractive
(imenu-progress-message prev-pos))
+ ;; 2=package-group, 5=package-name 8=sub-name
(cond
((and ; Skip some noise if building tags
- (match-beginning 2) ; package or sub
- (eq (char-after (match-beginning 2)) ?p) ; package
+ (match-beginning 5) ; package name
+ ;;(eq (char-after (match-beginning 2)) ?p) ; package
(not (save-match-data
(looking-at "[ \t\n]*;")))) ; Plain text word 'package'
nil)
((and
- (match-beginning 2) ; package or sub
+ (or (match-beginning 2)
+ (match-beginning 8)) ; package or sub
;; Skip if quoted (will not skip multi-line ''-strings :-():
(null (get-text-property (match-beginning 1) 'syntax-table))
(null (get-text-property (match-beginning 1) 'syntax-type))
(null (get-text-property (match-beginning 1) 'in-pod)))
- (save-excursion
- (goto-char (match-beginning 2))
- (setq fchar (following-char)))
+ (setq is-pack (match-beginning 2))
;; (if (looking-at "([^()]*)[ \t\n\f]*")
;; (goto-char (match-end 0))) ; Messes what follows
- (setq char (following-char) ; ?\; for "sub foo () ;"
- meth nil
+ (setq meth nil
p (point))
(while (and ends-ranges (>= p (car ends-ranges)))
;; delete obsolete entries
(setq ends-ranges (cdr ends-ranges) packages (cdr packages)))
(setq package (or (car packages) "")
end-range (or (car ends-ranges) 0))
- (if (eq fchar ?p)
- (setq name (buffer-substring (match-beginning 3) (match-end 3))
- name (progn
- (set-text-properties 0 (length name) nil name)
- name)
- package (concat name "::")
- name (concat "package " name)
- end-range
- (save-excursion
- (parse-partial-sexp (point) (point-max) -1) (point))
- ends-ranges (cons end-range ends-ranges)
- packages (cons package packages)))
- ;; )
+ (if is-pack ; doing "package"
+ (progn
+ (if (match-beginning 5) ; named package
+ (setq name (buffer-substring (match-beginning 5)
+ (match-end 5))
+ name (progn
+ (set-text-properties 0 (length name) nil name)
+ name)
+ package (concat name "::")
+ name (concat "package " name))
+ ;; Support nameless packages
+ (setq name "package;" package ""))
+ (setq end-range
+ (save-excursion
+ (parse-partial-sexp (point) (point-max) -1) (point))
+ ends-ranges (cons end-range ends-ranges)
+ packages (cons package packages)))
+ (setq is-proto
+ (or (eq (following-char) ?\;)
+ (eq 0 (get-text-property (point) 'attrib-group)))))
;; Skip this function name if it is a prototype declaration.
- (if (and (eq fchar ?s) (eq char ?\;)) nil
- (setq name (buffer-substring (match-beginning 3) (match-end 3))
- marker (make-marker))
- (set-text-properties 0 (length name) nil name)
- (set-marker marker (match-end 3))
- (if (eq fchar ?p)
- (setq name (concat "package " name))
- (cond ((string-match "[:']" name)
- (setq meth t))
- ((> p end-range) nil)
- (t
- (setq name (concat package name) meth t))))
+ (if (and is-proto (not is-pack)) nil
+ (or is-pack
+ (setq name
+ (buffer-substring (match-beginning 8) (match-end 8)))
+ (set-text-properties 0 (length name) nil name))
+ (setq marker (make-marker))
+ (set-marker marker (match-end (if is-pack 2 8)))
+ (cond (is-pack nil)
+ ((string-match "[:']" name)
+ (setq meth t))
+ ((> p end-range) nil)
+ (t
+ (setq name (concat package name) meth t)))
(setq index (cons name marker))
- (if (eq fchar ?p)
+ (if is-pack
(push index index-pack-alist)
(push index index-alist))
(if meth (push index index-meth-alist))
(push index index-unsorted-alist)))
- ((match-beginning 5) ; POD section
- ;; (beginning-of-line)
- (setq index (imenu-example--name-and-position)
- name (buffer-substring (match-beginning 6) (match-end 6)))
+ ((match-beginning 16) ; POD section
+ (setq name (buffer-substring (match-beginning 17) (match-end 17))
+ marker (make-marker))
+ (set-marker marker (match-beginning 17))
(set-text-properties 0 (length name) nil name)
- (if (eq (char-after (match-beginning 5)) ?2)
- (setq name (concat " " name)))
- (setcar index name)
+ (setq name (concat (make-string
+ (* 3 (- (char-after (match-beginning 16)) ?1))
+ ?\ )
+ name)
+ index (cons name marker))
(setq index1 (cons (concat "=" name) (cdr index)))
(push index index-pod-alist)
(push index1 index-unsorted-alist)))))
(defun cperl-outline-level ()
(looking-at outline-regexp)
(cond ((not (match-beginning 1)) 0) ; beginning-of-file
- ((match-beginning 2)
- (if (eq (char-after (match-beginning 2)) ?p)
- 0 ; package
- 1)) ; sub
- ((match-beginning 5)
- (if (eq (char-after (match-beginning 5)) ?1)
- 1 ; head1
- 2)) ; head2
- (t 3))) ; should not happen
+;;;; 2=package-group, 5=package-name 8=sub-name 16=head-level
+ ((match-beginning 2) 0) ; package
+ ((match-beginning 8) 1) ; sub
+ ((match-beginning 16)
+ (- (char-after (match-beginning 16)) ?0)) ; headN ==> N
+ (t 5))) ; should not happen
\f
(defvar cperl-compilation-error-regexp-alist
- ;; This look like a paranoiac regexp: could anybody find a better one? (which WORK).
+ ;; This look like a paranoiac regexp: could anybody find a better one? (which WORKS).
'(("^[^\n]* \\(file\\|at\\) \\([^ \t\n]+\\) [^\n]*line \\([0-9]+\\)[\\., \n]"
2 3))
"Alist that specifies how to match errors in perl output.")
(defun cperl-windowed-init ()
"Initialization under windowed version."
- (if (or (featurep 'ps-print) cperl-faces-init)
- ;; Need to init anyway:
- (or cperl-faces-init (cperl-init-faces))
- (add-hook 'font-lock-mode-hook
- (function
- (lambda ()
- (if (memq major-mode '(perl-mode cperl-mode))
- (progn
- (or cperl-faces-init (cperl-init-faces)))))))
- (if (fboundp 'eval-after-load)
- (eval-after-load
- "ps-print"
- '(or cperl-faces-init (cperl-init-faces))))))
+ (cond ((featurep 'ps-print)
+ (or cperl-faces-init
+ (progn
+ (and (boundp 'font-lock-multiline)
+ (setq cperl-font-lock-multiline t))
+ (cperl-init-faces))))
+ ((not cperl-faces-init)
+ (add-hook 'font-lock-mode-hook
+ (function
+ (lambda ()
+ (if (memq major-mode '(perl-mode cperl-mode))
+ (progn
+ (or cperl-faces-init (cperl-init-faces)))))))
+ (if (fboundp 'eval-after-load)
+ (eval-after-load
+ "ps-print"
+ '(or cperl-faces-init (cperl-init-faces)))))))
(defun cperl-load-font-lock-keywords ()
(or cperl-faces-init (cperl-init-faces))
(defvar perl-font-lock-keywords nil
"Additional expressions to highlight in Perl mode. Default set.")
(defvar perl-font-lock-keywords-2 nil
- "Additional expressions to highlight in Perl mode. Maximal set")
+ "Additional expressions to highlight in Perl mode. Maximal set.")
(defvar font-lock-background-mode)
(defvar font-lock-display-type)
;; Allow `cperl-find-pods-heres' to run.
(or (boundp 'font-lock-constant-face)
(cperl-force-face font-lock-constant-face
- "Face for constant and label names")
- ;;(setq font-lock-constant-face 'font-lock-constant-face)
- ))
+ "Face for constant and label names"))
+ (or (boundp 'font-lock-warning-face)
+ (cperl-force-face font-lock-warning-face
+ "Face for things which should stand out"))
+ ;;(setq font-lock-constant-face 'font-lock-constant-face)
+ )
(defun cperl-init-faces ()
(condition-case errs
'identity
'("if" "until" "while" "elsif" "else" "unless" "for"
"foreach" "continue" "exit" "die" "last" "goto" "next"
- "redo" "return" "local" "exec" "sub" "do" "dump" "use"
+ "redo" "return" "local" "exec" "sub" "do" "dump" "use" "our"
"require" "package" "eval" "my" "BEGIN" "END" "CHECK" "INIT")
"\\|") ; Flow control
"\\)\\>") 2) ; was "\\)[ \n\t;():,\|&]"
;; "chop" "defined" "delete" "do" "each" "else" "elsif"
;; "eval" "exists" "for" "foreach" "format" "goto"
;; "grep" "if" "keys" "last" "local" "map" "my" "next"
- ;; "no" "package" "pop" "pos" "print" "printf" "push"
+ ;; "no" "our" "package" "pop" "pos" "print" "printf" "push"
;; "q" "qq" "qw" "qx" "redo" "return" "scalar" "shift"
;; "sort" "splice" "split" "study" "sub" "tie" "tr"
;; "undef" "unless" "unshift" "untie" "until" "use"
;; "\\|")
'("-[rwxoRWXOezsfdlpSbctugkTBMAC]\\>\\([ \t]+_\\>\\)?" 0
font-lock-function-name-face keep) ; Not very good, triggers at "[a-z]"
- '("\\<sub[ \t]+\\([^ \t{;()]+\\)[ \t]*\\(([^()]*)[ \t]*\\)?[#{\n]" 1
- font-lock-function-name-face)
+ ;; This highlights declarations and definitions differenty.
+ ;; We do not try to highlight in the case of attributes:
+ ;; it is already done by `cperl-find-pods-heres'
+ (list (concat "\\<sub"
+ cperl-white-and-comment-rex ; whitespace/comments
+ "\\([^ \n\t{;()]+\\)" ; 2=name (assume non-anonymous)
+ "\\("
+ cperl-maybe-white-and-comment-rex ;whitespace/comments?
+ "([^()]*)\\)?" ; prototype
+ cperl-maybe-white-and-comment-rex ; whitespace/comments?
+ "[{;]")
+ 2 (if cperl-font-lock-multiline
+ '(if (eq (char-after (cperl-1- (match-end 0))) ?\{ )
+ 'font-lock-function-name-face
+ 'font-lock-variable-name-face)
+ ;; need to manually set 'multiline' for older font-locks
+ '(progn
+ (if (< 1 (count-lines (match-beginning 0)
+ (match-end 0)))
+ (put-text-property
+ (+ 3 (match-beginning 0)) (match-end 0)
+ 'syntax-type 'multiline))
+ (if (eq (char-after (cperl-1- (match-end 0))) ?\{ )
+ 'font-lock-function-name-face
+ 'font-lock-variable-name-face))))
'("\\<\\(package\\|require\\|use\\|import\\|no\\|bootstrap\\)[ \t]+\\([a-zA-z_][a-zA-z_0-9:]*\\)[ \t;]" ; require A if B;
2 font-lock-function-name-face)
'("^[ \t]*format[ \t]+\\([a-zA-z_][a-zA-z_0-9:]*\\)[ \t]*=[ \t]*$"
(2 '(restart 2 nil) nil t)))
nil t))) ; local variables, multiple
(font-lock-anchored
- '("^[ \t{}]*\\(my\\|local\\|our\\)[ \t]*\\(([ \t]*\\)?\\([$@%*][a-zA-Z0-9_:]+\\)"
- (3 font-lock-variable-name-face)
- ("\\=[ \t]*,[ \t]*\\([$@%*][a-zA-Z0-9_:]+\\)"
- nil nil
- (1 font-lock-variable-name-face))))
- (t '("^[ \t{}]*\\(my\\|local\\our\\)[ \t]*\\(([ \t]*\\)?\\([$@%*][a-zA-Z0-9_:]+\\)"
+ ;; 1=my_etc, 2=white? 3=(+white? 4=white? 5=var
+ (` ((, (concat "\\<\\(my\\|local\\|our\\)"
+ cperl-maybe-white-and-comment-rex
+ "\\(("
+ cperl-maybe-white-and-comment-rex
+ "\\)?\\([$@%*]\\([a-zA-Z0-9_:]+\\|[^a-zA-Z0-9_]\\)\\)"))
+ (5 (, (if cperl-font-lock-multiline
+ 'font-lock-variable-name-face
+ '(progn (setq cperl-font-lock-multiline-start
+ (match-beginning 0))
+ 'font-lock-variable-name-face))))
+ ((, (concat "\\="
+ cperl-maybe-white-and-comment-rex
+ ","
+ cperl-maybe-white-and-comment-rex
+ "\\([$@%*]\\([a-zA-Z0-9_:]+\\|[^a-zA-Z0-9_]\\)\\)"))
+ ;; Bug in font-lock: limit is used not only to limit
+ ;; searches, but to set the "extend window for
+ ;; facification" property. Thus we need to minimize.
+ (, (if cperl-font-lock-multiline
+ '(if (match-beginning 3)
+ (save-excursion
+ (goto-char (match-beginning 3))
+ (condition-case nil
+ (forward-sexp 1)
+ (error
+ (condition-case nil
+ (forward-char 200)
+ (error nil)))) ; typeahead
+ (1- (point))) ; report limit
+ (forward-char -2)) ; disable continued expr
+ '(if (match-beginning 3)
+ (point-max) ; No limit for continuation
+ (forward-char -2)))) ; disable continued expr
+ (, (if cperl-font-lock-multiline
+ nil
+ '(progn ; Do at end
+ ;; "my" may be already fontified (POD),
+ ;; so cperl-font-lock-multiline-start is nil
+ (if (or (not cperl-font-lock-multiline-start)
+ (> 2 (count-lines
+ cperl-font-lock-multiline-start
+ (point))))
+ nil
+ (put-text-property
+ (1+ cperl-font-lock-multiline-start) (point)
+ 'syntax-type 'multiline))
+ (setq cperl-font-lock-multiline-start nil))))
+ (3 font-lock-variable-name-face)))))
+ (t '("^[ \t{}]*\\(my\\|local\\|our\\)[ \t]*\\(([ \t]*\\)?\\([$@%*][a-zA-Z0-9_:]+\\)"
3 font-lock-variable-name-face)))
'("\\<for\\(each\\)?\\([ \t]+\\(my\\|local\\|our\\)\\)?[ \t]*\\(\\$[a-zA-Z_][a-zA-Z_0-9]*\\)[ \t]*("
4 font-lock-variable-name-face)))
(setq
t-font-lock-keywords-1
(and (fboundp 'turn-on-font-lock) ; Check for newer font-lock
- (not cperl-xemacs-p) ; not yet as of XEmacs 19.12
+ ;; not yet as of XEmacs 19.12, works with 21.1.11
+ (or
+ (not cperl-xemacs-p)
+ (string< "21.1.9" emacs-version)
+ (and (string< "21.1.10" emacs-version)
+ (string< emacs-version "21.1.2")))
'(
("\\(\\([@%]\\|\$#\\)[a-zA-Z_:][a-zA-Z0-9_:]*\\)" 1
(if (eq (char-after (match-beginning 2)) ?%)
cperl-array-face) ; arrays and hashes
font-lock-variable-name-face) ; Just to put something
t)
+ ("\\(@\\|\\$#\\)\\(\\$+\\([a-zA-Z_:][a-zA-Z0-9_:]*\\|[^ \t\n]\\)\\)"
+ (1 cperl-array-face)
+ (2 font-lock-variable-name-face))
+ ("\\(%\\)\\(\\$+\\([a-zA-Z_:][a-zA-Z0-9_:]*\\|[^ \t\n]\\)\\)"
+ (1 cperl-hash-face)
+ (2 font-lock-variable-name-face))
;;("\\([smy]\\|tr\\)\\([^a-z_A-Z0-9]\\)\\(\\([^\n\\]*||\\)\\)\\2")
;;; Too much noise from \s* @s[ and friends
;;("\\(\\<\\([msy]\\|tr\\)[ \t]*\\([^ \t\na-zA-Z0-9_]\\)\\|\\(/\\)\\)"
(if cperl-highlight-variables-indiscriminately
(setq t-font-lock-keywords-1
(append t-font-lock-keywords-1
- (list '("[$*]{?\\(\\sw+\\)" 1
+ (list '("\\([$*]{?\\sw+\\)" 1
font-lock-variable-name-face)))))
- (setq perl-font-lock-keywords-1
+ (setq perl-font-lock-keywords-1
(if cperl-syntaxify-by-font-lock
(cons 'cperl-fontify-update
t-font-lock-keywords)
[nil nil t t t]
nil
[nil nil t t t])
+ (list 'font-lock-warning-face
+ ["Pink" "Red" "Gray50" "LightGray"]
+ ["gray20" "gray90"
+ "gray80" "gray20"]
+ [nil nil t t t]
+ nil
+ [nil nil t t t]
+ )
(list 'font-lock-constant-face
["CadetBlue" "Aquamarine" "Gray50" "LightGray"]
nil
(defvar cperl-guessed-background nil
"Display characteristics as guessed by cperl.")
;; (or (fboundp 'x-color-defined-p)
- ;; (defalias 'x-color-defined-p
+ ;; (defalias 'x-color-defined-p
;; (cond ((fboundp 'color-defined-p) 'color-defined-p)
;; ;; XEmacs >= 19.12
;; ((fboundp 'valid-color-name-p) 'valid-color-name-p)
"Face for data types")
(cperl-force-face cperl-nonoverridable-face
"Face for data types from another group")
+ (cperl-force-face font-lock-warning-face
+ "Face for things which should stand out")
(cperl-force-face font-lock-comment-face
"Face for comments")
(cperl-force-face font-lock-function-name-face
(defconst cperl-styles-entries
'(cperl-indent-level cperl-brace-offset cperl-continued-brace-offset
cperl-label-offset cperl-extra-newline-before-brace
+ cperl-extra-newline-before-brace-multiline
cperl-merge-trailing-else
cperl-continued-statement-offset))
+(defconst cperl-style-examples
+"##### Numbers etc are: cperl-indent-level cperl-brace-offset
+##### cperl-continued-brace-offset cperl-label-offset
+##### cperl-continued-statement-offset
+##### cperl-merge-trailing-else cperl-extra-newline-before-brace
+
+########### (Do not forget cperl-extra-newline-before-brace-multiline)
+
+### CPerl (=GNU - extra-newline-before-brace + merge-trailing-else) 2/0/0/-2/2/t/nil
+if (foo) {
+ bar
+ baz;
+ label:
+ {
+ boon;
+ }
+} else {
+ stop;
+}
+
+### PerlStyle (=CPerl with 4 as indent) 4/0/0/-4/4/t/nil
+if (foo) {
+ bar
+ baz;
+ label:
+ {
+ boon;
+ }
+} else {
+ stop;
+}
+
+### GNU 2/0/0/-2/2/nil/t
+if (foo)
+ {
+ bar
+ baz;
+ label:
+ {
+ boon;
+ }
+ }
+else
+ {
+ stop;
+ }
+
+### C++ (=PerlStyle with braces aligned with control words) 4/0/-4/-4/4/nil/t
+if (foo)
+{
+ bar
+ baz;
+ label:
+ {
+ boon;
+ }
+}
+else
+{
+ stop;
+}
+
+### BSD (=C++, but will not change preexisting merge-trailing-else
+### and extra-newline-before-brace ) 4/0/-4/-4/4
+if (foo)
+{
+ bar
+ baz;
+ label:
+ {
+ boon;
+ }
+}
+else
+{
+ stop;
+}
+
+### K&R (=C++ with indent 5 - merge-trailing-else, but will not
+### change preexisting extra-newline-before-brace) 5/0/-5/-5/5/nil
+if (foo)
+{
+ bar
+ baz;
+ label:
+ {
+ boon;
+ }
+}
+else
+{
+ stop;
+}
+
+### Whitesmith (=PerlStyle, but will not change preexisting
+### extra-newline-before-brace and merge-trailing-else) 4/0/0/-4/4
+if (foo)
+ {
+ bar
+ baz;
+ label:
+ {
+ boon;
+ }
+ }
+else
+ {
+ stop;
+ }
+"
+"Examples of if/else with different indent styles (with v4.23).")
+
(defconst cperl-style-alist
- '(("CPerl" ; =GNU without extra-newline-before-brace
+ '(("CPerl" ;; =GNU - extra-newline-before-brace + cperl-merge-trailing-else
(cperl-indent-level . 2)
(cperl-brace-offset . 0)
(cperl-continued-brace-offset . 0)
(cperl-label-offset . -2)
+ (cperl-continued-statement-offset . 2)
(cperl-extra-newline-before-brace . nil)
- (cperl-merge-trailing-else . t)
- (cperl-continued-statement-offset . 2))
+ (cperl-extra-newline-before-brace-multiline . nil)
+ (cperl-merge-trailing-else . t))
+
("PerlStyle" ; CPerl with 4 as indent
(cperl-indent-level . 4)
(cperl-brace-offset . 0)
(cperl-continued-brace-offset . 0)
(cperl-label-offset . -4)
+ (cperl-continued-statement-offset . 4)
(cperl-extra-newline-before-brace . nil)
- (cperl-merge-trailing-else . t)
- (cperl-continued-statement-offset . 4))
+ (cperl-extra-newline-before-brace-multiline . nil)
+ (cperl-merge-trailing-else . t))
+
("GNU"
(cperl-indent-level . 2)
(cperl-brace-offset . 0)
(cperl-continued-brace-offset . 0)
(cperl-label-offset . -2)
+ (cperl-continued-statement-offset . 2)
(cperl-extra-newline-before-brace . t)
- (cperl-merge-trailing-else . nil)
- (cperl-continued-statement-offset . 2))
+ (cperl-extra-newline-before-brace-multiline . t)
+ (cperl-merge-trailing-else . nil))
+
("K&R"
(cperl-indent-level . 5)
(cperl-brace-offset . 0)
(cperl-continued-brace-offset . -5)
(cperl-label-offset . -5)
+ (cperl-continued-statement-offset . 5)
;;(cperl-extra-newline-before-brace . nil) ; ???
- (cperl-merge-trailing-else . nil)
- (cperl-continued-statement-offset . 5))
+ ;;(cperl-extra-newline-before-brace-multiline . nil)
+ (cperl-merge-trailing-else . nil))
+
("BSD"
(cperl-indent-level . 4)
(cperl-brace-offset . 0)
(cperl-continued-brace-offset . -4)
(cperl-label-offset . -4)
+ (cperl-continued-statement-offset . 4)
;;(cperl-extra-newline-before-brace . nil) ; ???
- (cperl-continued-statement-offset . 4))
+ ;;(cperl-extra-newline-before-brace-multiline . nil)
+ ;;(cperl-merge-trailing-else . nil) ; ???
+ )
+
("C++"
(cperl-indent-level . 4)
(cperl-brace-offset . 0)
(cperl-continued-brace-offset . -4)
(cperl-label-offset . -4)
(cperl-continued-statement-offset . 4)
- (cperl-merge-trailing-else . nil)
- (cperl-extra-newline-before-brace . t))
- ("Current")
+ (cperl-extra-newline-before-brace . t)
+ (cperl-extra-newline-before-brace-multiline . t)
+ (cperl-merge-trailing-else . nil))
+
("Whitesmith"
(cperl-indent-level . 4)
(cperl-brace-offset . 0)
(cperl-continued-brace-offset . 0)
(cperl-label-offset . -4)
+ (cperl-continued-statement-offset . 4)
;;(cperl-extra-newline-before-brace . nil) ; ???
- (cperl-continued-statement-offset . 4)))
- "(Experimental) list of variables to set to get a particular indentation style.
-Should be used via `cperl-set-style' or via Perl menu.")
+ ;;(cperl-extra-newline-before-brace-multiline . nil)
+ ;;(cperl-merge-trailing-else . nil) ; ???
+ )
+ ("Current"))
+ "List of variables to set to get a particular indentation style.
+Should be used via `cperl-set-style' or via Perl menu.
+
+See examples in `cperl-style-examples'.")
(defun cperl-set-style (style)
"Set CPerl mode variables to use one of several different indentation styles.
The arguments are a string representing the desired style.
The list of styles is in `cperl-style-alist', available styles
-are GNU, K&R, BSD, C++ and Whitesmith.
+are CPerl, PerlStyle, GNU, K&R, BSD, C++ and Whitesmith.
The current value of style is memorized (unless there is a memorized
data already), may be restored by `cperl-set-style-back'.
Chosing \"Current\" style will not change style, so this may be used for
-side-effect of memorizing only."
+side-effect of memorizing only. Examples in `cperl-style-examples'."
(interactive
- (let ((list (mapcar (function (lambda (elt) (list (car elt))))
+ (let ((list (mapcar (function (lambda (elt) (list (car elt))))
cperl-style-alist)))
(list (completing-read "Enter style: " list nil 'insist))))
(or cperl-old-style
iniwin (selected-window)
fr1 (window-frame iniwin))
(set-buffer buf)
- (beginning-of-buffer)
+ (goto-char (point-min))
(or isvar
(progn (re-search-forward "^-X[ \t\n]")
(forward-line -1)))
(match-beginning 1) (match-end 1)))
(defun cperl-imenu-on-info ()
+ "Shows imenu for Perl Info Buffer.
+Opens Perl Info buffer if needed."
(interactive)
(let* ((buffer (current-buffer))
imenu-create-index-function
\(or `cperl-indent-level', if `cperl-lineup-step' is `nil').
Will not move the position at the start to the left."
(interactive "r")
- (let (search col tcol seen b e)
+ (let (search col tcol seen b)
(save-excursion
(goto-char end)
(end-of-line)
(if (/= (% col step) 0) (setq step (* step (1+ (/ col step)))))
(while
(progn
- (setq e (point))
- (skip-chars-backward " \t")
- (delete-region (point) e)
- (indent-to-column col) ;(make-string (- col (current-column)) ?\ ))
+ (cperl-make-indent col)
(beginning-of-line 2)
(and (< (point) end)
(re-search-forward search end t)
(goto-char (match-beginning 0)))))))) ; No body
-(defun cperl-etags (&optional add all files)
+(defun cperl-etags (&optional add all files) ;; NOT USED???
"Run etags with appropriate options for Perl files.
If optional argument ALL is `recursive', will process Perl files
in subdirectories too."
(interactive)
(let ((cmd "etags")
- (args '("-l" "none" "-r" "/\\<\\(package\\|sub\\)[ \\t]+\\(\\([a-zA-Z0-9:_]*::\\)?\\([a-zA-Z0-9_]+\\)[ \\t]*\\(([^()]*)[ \t]*\\)?\\([{#]\\|$\\)\\)/\\4/"))
+ (args '("-l" "none" "-r"
+ ;; 1=fullname 2=package? 3=name 4=proto? 5=attrs? (VERY APPROX!)
+ "/\\<sub[ \\t]+\\(\\([a-zA-Z0-9:_]*::\\)?\\([a-zA-Z0-9_]+\\)\\)[ \\t]*\\(([^()]*)[ \t]*\\)?\\([ \t]*:[^#{;]*\\)?\\([{#]\\|$\\)/\\3/"
+ "-r"
+ "/\\<package[ \\t]+\\(\\([a-zA-Z0-9:_]*::\\)?\\([a-zA-Z0-9_]+\\)\\)[ \\t]*\\([#;]\\|$\\)/\\1/"
+ "-r"
+ "/\\<\\(package\\)[ \\t]*;/\\1;/"))
res)
(if add (setq args (cons "-a" args)))
(or files (setq files (list buffer-file-name)))
(message "indent-region/indent-sexp will %sbe automatically fix whitespace."
(if cperl-indent-region-fix-constructs "" "not ")))
+(defun cperl-toggle-set-debug-unwind (arg &optional backtrace)
+ "Toggle (or, with numeric argument, set) debugging state of syntaxification.
+Nonpositive numeric argument disables debugging messages. The message
+summarizes which regions it was decided to rescan for syntactic constructs.
+
+The message looks like this:
+
+ Syxify req=123..138 actual=101..146 done-to: 112=>146 statepos: 73=>117
+
+Numbers are character positions in the buffer. REQ provides the range to
+rescan requested by `font-lock'. ACTUAL is the range actually resyntaxified;
+for correct operation it should start and end outside any special syntactic
+construct. DONE-TO and STATEPOS indicate changes to internal caches maintained
+by CPerl."
+ (interactive "P")
+ (or arg
+ (setq arg (if (eq cperl-syntaxify-by-font-lock
+ (if backtrace 'backtrace 'message)) 0 1)))
+ (setq arg (if (> arg 0) (if backtrace 'backtrace 'message) t))
+ (setq cperl-syntaxify-by-font-lock arg)
+ (message "Debugging messages of syntax unwind %sabled."
+ (if (eq arg t) "dis" "en")))
+
;;;; Tags file creation.
(defvar cperl-tmp-buffer " *cperl-tmp*")
(string-match "^sub[ \t]+\\([_a-zA-Z]+\\)[^:_a-zA-Z]"
(elt elt 3)))
;; Need to insert the name without package as well
- (setq lst (cons (cons (substring (elt elt 3)
+ (setq lst (cons (cons (substring (elt elt 3)
(match-beginning 1)
(match-end 1))
(cdr elt))
ret))))
(defun cperl-add-tags-recurse-noxs ()
- "Add to TAGS data for Perl (skipping XSUBs) in the current directory
-and kids. Use as
+ "Add to TAGS data for \"pure\" Perl files in the current directory and kids.
+Use as
emacs -batch -q -no-site-file -l emacs/cperl-mode.el \
-f cperl-add-tags-recurse-noxs
"
(cperl-write-tags nil nil t t nil t))
(defun cperl-add-tags-recurse-noxs-fullpath ()
- "Add to TAGS data for Perl (skipping XSUBs) in the current directory
-and kids, using fullpath, so TAGS is relocatable. Use as
+ "Add to TAGS data for \"pure\" Perl in the current directory and kids.
+Writes down fullpath, so TAGS is relocatable (but if the build directory
+is relocated, the file TAGS inside it breaks). Use as
emacs -batch -q -no-site-file -l emacs/cperl-mode.el \
-f cperl-add-tags-recurse-noxs-fullpath
"
(setq cperl-unreadable-ok t
tm nil) ; Return empty list
(error "Aborting: unreadable directory %s" file)))))))
- (mapcar (function
+ (mapcar (function
(lambda (file)
(cond
((string-match cperl-noscan-files-regexp file)
(cperl-tags-hier-fill))
(or tags-table-list
(call-interactively 'visit-tags-table))
- (mapcar
+ (mapcar
(function
(lambda (tagsfile)
(message "Updating list of classes... %s" tagsfile)
(error "No items found"))
(setq update
;;; (imenu-choose-buffer-index "Packages: " (nth 2 cperl-hierarchy))
- (if (if (boundp 'display-popup-menus-p)
+ (if (if (fboundp 'display-popup-menus-p)
(let ((f 'display-popup-menus-p))
(funcall f))
window-system)
l1 head tail cons1 cons2 ord writeto packs recurse
root-packages root-functions ms many_ms same_name ps
(move-deeper
- (function
+ (function
(lambda (elt)
(cond ((and (string-match regexp (car elt))
(or (eq ord 1) (match-end 2)))
(setq head (substring (car elt) 0 (match-end 1))
- tail (if (match-end 2) (substring (car elt)
+ tail (if (match-end 2) (substring (car elt)
(match-end 2)))
recurse t)
(if (setq cons1 (assoc head writeto)) nil
(cdr to)))
;;Now clean up leaders with one child only
(mapcar (function (lambda (elt)
- (if (not (and (listp (cdr elt))
+ (if (not (and (listp (cdr elt))
(eq (length elt) 2))) nil
(setcar elt (car (nth 1 elt)))
(setcdr elt (cdr (nth 1 elt))))))
root-functions))
;; Now add back packages removed from display
(mapcar (function (lambda (elt)
- (setcdr to (cons (cons (concat "package " (car elt))
- (cdr elt))
+ (setcdr to (cons (cons (concat "package " (car elt))
+ (cdr elt))
(cdr to)))))
(if (default-value 'imenu-sort-function)
(nreverse
(defvar cperl-bad-style-regexp
(mapconcat 'identity
'("[^-\n\t <>=+!.&|(*/'`\"#^][-=+<>!|&^]" ; char sign
- "[-<>=+^&|]+[^- \t\n=+<>~]") ; sign+ char
+ "[-<>=+^&|]+[^- \t\n=+<>~]") ; sign+ char
"\\|")
"Finds places such that insertion of a whitespace may help a lot.")
(defvar cperl-not-bad-style-regexp
- (mapconcat
+ (mapconcat
'identity
'("[^-\t <>=+]\\(--\\|\\+\\+\\)" ; var-- var++
"[a-zA-Z0-9_][|&][a-zA-Z0-9_$]" ; abc|def abc&def are often used.
"&[(a-zA-Z0-9_$]" ; &subroutine &(var->field)
- "<\\$?\\sw+\\(\\.\\sw+\\)?>" ; <IN> <stdin.h>
+ "<\\$?\\sw+\\(\\.\\(\\sw\\|_\\)+\\)?>" ; <IN> <stdin.h>
"-[a-zA-Z][ \t]+[_$\"'`a-zA-Z]" ; -f file, -t STDIN
"-[0-9]" ; -5
"\\+\\+" ; ++var
(interactive)
(let (found-bad (p (point)))
(setq last-nonmenu-event 13) ; To disable popup
- (beginning-of-buffer)
+ (goto-char (point-min))
(map-y-or-n-p "Insert space here? "
(lambda (arg) (insert " "))
'cperl-next-bad-style
\\ Creates reference to what follows, like \$var, or quotes non-\w in strings.
\\0 Octal char, e.g. \\033.
\\E Case modification terminator. See \\Q, \\L, and \\U.
-\\L Lowercase until \\E . See also \l, lc.
-\\U Upcase until \\E . See also \u, uc.
+\\L Lowercase until \\E . See also \\l, lc.
+\\U Upcase until \\E . See also \\u, uc.
\\Q Quote metacharacters until \\E . See also quotemeta.
\\a Alarm character (octal 007).
\\b Backspace character (octal 010).
eof[([FILEHANDLE])]
... eq ... String equality.
eval(EXPR) or eval { BLOCK }
-exec(LIST)
+exec([TRUENAME] ARGV0, ARGVs) or exec(SHELL_COMMAND_LINE)
exit(EXPR)
exp(EXPR)
fcntl(FILEHANDLE,FUNCTION,SCALAR)
symlink(OLDFILE,NEWFILE)
syscall(LIST)
sysread(FILEHANDLE,SCALAR,LENGTH[,OFFSET])
-system(LIST)
+system([TRUENAME] ARGV0 [,ARGV]) or system(SHELL_COMMAND_LINE)
syswrite(FILEHANDLE,SCALAR,LENGTH[,OFFSET])
tell[(FILEHANDLE)]
telldir(DIRHANDLE)
;; b is before the starting delimiter, e before the ending
;; e should be a marker, may be changed, but remains "correct".
;; EMBED is nil iff we process the whole REx.
- ;; The REx is guarantied to have //x
+ ;; The REx is guaranteed to have //x
;; LEVEL shows how many levels deep to go
;; position at enter and at leave is not defined
(let (s c tmp (m (make-marker)) (m1 (make-marker)) c1 spaces inline code pos)
(goto-char e)
(delete-horizontal-space)
(insert "\n")
- (indent-to-column c)
+ (cperl-make-indent c)
(set-marker e (point))))
(goto-char b)
(end-of-line 2)
inline t)
(skip-chars-forward " \t")
(delete-region s (point))
- (indent-to-column c1)
+ (cperl-make-indent c1)
(while (and
inline
(looking-at
(eq (preceding-char) ?\{)))
(forward-char -1)
(forward-sexp 1))
+ ((and ; [], already syntaxified
+ (match-beginning 6)
+ cperl-regexp-scan
+ cperl-use-syntax-table-text-property)
+ (forward-char -1)
+ (forward-sexp 1)
+ (or (eq (preceding-char) ?\])
+ (error "[]-group not terminated"))
+ (re-search-forward
+ "\\=\\([*+?]\\|{[0-9]+\\(,[0-9]*\\)?}\\)\\??" e t))
((match-beginning 6) ; []
(setq tmp (point))
(if (looking-at "\\^?\\]")
(setq pos t)))
(or (eq (preceding-char) ?\])
(error "[]-group not terminated"))
- (if (eq (following-char) ?\{)
- (progn
- (forward-sexp 1)
- (and (eq (following-char) ??)
- (forward-char 1)))
- (re-search-forward "\\=\\([*+?]\\??\\)" e t)))
+ (re-search-forward
+ "\\=\\([*+?]\\|{[0-9]+\\(,[0-9]*\\)?}\\)\\??" e t))
((match-beginning 7) ; ()
(goto-char (match-beginning 0))
(setq pos (current-column))
(progn
(delete-horizontal-space)
(insert "\n")
- (indent-to-column c1)))
+ (cperl-make-indent c1)))
(setq tmp (point))
(forward-sexp 1)
;; (or (forward-sexp 1)
(insert "\n"))
;; first at line
(delete-region (point) tmp))
- (indent-to-column c)
+ (cperl-make-indent c)
(forward-char 1)
(skip-chars-forward " \t")
(setq spaces nil)
(/= (current-indentation) c))
(progn
(beginning-of-line)
- (setq s (point))
- (skip-chars-forward " \t")
- (delete-region s (point))
- (indent-to-column c)))))
+ (cperl-make-indent c)))))
(defun cperl-make-regexp-x ()
;; Returns position of the start
(interactive)
;; (save-excursion ; Can't, breaks `cperl-contract-levels'
(cperl-regext-to-level-start)
- (let ((b (point)) (e (make-marker)) s c)
+ (let ((b (point)) (e (make-marker)) c)
(forward-sexp 1)
(set-marker e (1- (point)))
(goto-char b)
((match-beginning 1) ; #-comment
(or c (setq c (current-indentation)))
(beginning-of-line 2) ; Skip
- (setq s (point))
- (skip-chars-forward " \t")
- (delete-region s (point))
- (indent-to-column c))
+ (cperl-make-indent c))
(t
(delete-char -1)
(just-one-space))))))
(set-marker e (1- (point)))
(cperl-beautify-regexp-piece b e nil deep))))
+(defun cperl-invert-if-unless-modifiers ()
+ "Change `B if A;' into `if (A) {B}' etc if possible.
+\(Unfinished.)"
+ (interactive) ;
+ (let (A B pre-B post-B pre-if post-if pre-A post-A if-string
+ (w-rex "\\<\\(if\\|unless\\|while\\|until\\|for\\|foreach\\)\\>"))
+ (and (= (char-syntax (preceding-char)) ?w)
+ (forward-sexp -1))
+ (setq pre-if (point))
+ (cperl-backward-to-start-of-expr)
+ (setq pre-B (point))
+ (forward-sexp 1) ; otherwise forward-to-end-of-expr is NOP
+ (cperl-forward-to-end-of-expr)
+ (setq post-A (point))
+ (goto-char pre-if)
+ (or (looking-at w-rex)
+ ;; Find the position
+ (progn (goto-char post-A)
+ (while (and
+ (not (looking-at w-rex))
+ (> (point) pre-B))
+ (forward-sexp -1))
+ (setq pre-if (point))))
+ (or (looking-at w-rex)
+ (error "Can't find `if', `unless', `while', `until', `for' or `foreach'"))
+ ;; 1 B 2 ... 3 B-com ... 4 if 5 ... if-com 6 ... 7 A 8
+ (setq if-string (buffer-substring (match-beginning 0) (match-end 0)))
+ ;; First, simple part: find code boundaries
+ (forward-sexp 1)
+ (setq post-if (point))
+ (forward-sexp -2)
+ (forward-sexp 1)
+ (setq post-B (point))
+ (cperl-backward-to-start-of-expr)
+ (setq pre-B (point))
+ (setq B (buffer-substring pre-B post-B))
+ (goto-char pre-if)
+ (forward-sexp 2)
+ (forward-sexp -1)
+ ;; May be after $, @, $# etc of a variable
+ (skip-chars-backward "$@%#")
+ (setq pre-A (point))
+ (cperl-forward-to-end-of-expr)
+ (setq post-A (point))
+ (setq A (buffer-substring pre-A post-A))
+ ;; Now modify (from end, to not break the stuff)
+ (skip-chars-forward " \t;")
+ (delete-region pre-A (point)) ; we move to pre-A
+ (insert "\n" B ";\n}")
+ (and (looking-at "[ \t]*#") (cperl-indent-for-comment))
+ (delete-region pre-if post-if)
+ (delete-region pre-B post-B)
+ (goto-char pre-B)
+ (insert if-string " (" A ") {")
+ (setq post-B (point))
+ (if (looking-at "[ \t]+$")
+ (delete-horizontal-space)
+ (if (looking-at "[ \t]*#")
+ (cperl-indent-for-comment)
+ (just-one-space)))
+ (forward-line 1)
+ (if (looking-at "[ \t]*$")
+ (progn ; delete line
+ (delete-horizontal-space)
+ (delete-region (point) (1+ (point)))))
+ (cperl-indent-line)
+ (goto-char (1- post-B))
+ (forward-sexp 1)
+ (cperl-indent-line)
+ (goto-char pre-B)))
+
(defun cperl-invert-if-unless ()
- "Change `if (A) {B}' into `B if A;' etc if possible."
+ "Change `if (A) {B}' into `B if A;' etc (or visa versa) if possible.
+If the cursor is not on the leading keyword of the BLOCK flavor of
+construct, will assume it is the STATEMENT flavor, so will try to find
+the appropriate statement modifier."
(interactive)
- (or (looking-at "\\<")
- (forward-sexp -1))
+ (and (= (char-syntax (preceding-char)) ?w)
+ (forward-sexp -1))
(if (looking-at "\\<\\(if\\|unless\\|while\\|until\\|for\\|foreach\\)\\>")
- (let ((pos1 (point))
- pos2 pos3 pos4 pos5 s1 s2 state p pos45
- (s0 (buffer-substring (match-beginning 0) (match-end 0))))
+ (let ((pre-if (point))
+ pre-A post-A pre-B post-B A B state p end-B-code is-block B-comment
+ (if-string (buffer-substring (match-beginning 0) (match-end 0))))
(forward-sexp 2)
- (setq pos3 (point))
+ (setq post-A (point))
(forward-sexp -1)
- (setq pos2 (point))
- (if (eq (following-char) ?\( )
+ (setq pre-A (point))
+ (setq is-block (and (eq (following-char) ?\( )
+ (save-excursion
+ (condition-case nil
+ (progn
+ (forward-sexp 2)
+ (forward-sexp -1)
+ (eq (following-char) ?\{ ))
+ (error nil)))))
+ (if is-block
(progn
- (goto-char pos3)
+ (goto-char post-A)
(forward-sexp 1)
- (setq pos5 (point))
+ (setq post-B (point))
(forward-sexp -1)
- (setq pos4 (point))
- ;; XXXX In fact may be `A if (B); {C}' ...
+ (setq pre-B (point))
(if (and (eq (following-char) ?\{ )
(progn
- (cperl-backward-to-noncomment pos3)
+ (cperl-backward-to-noncomment post-A)
(eq (preceding-char) ?\) )))
(if (condition-case nil
(progn
- (goto-char pos5)
+ (goto-char post-B)
(forward-sexp 1)
(forward-sexp -1)
(looking-at "\\<els\\(e\\|if\\)\\>"))
(error nil))
(error
- "`%s' (EXPR) {BLOCK} with `else'/`elsif'" s0)
- (goto-char (1- pos5))
- (cperl-backward-to-noncomment pos4)
+ "`%s' (EXPR) {BLOCK} with `else'/`elsif'" if-string)
+ (goto-char (1- post-B))
+ (cperl-backward-to-noncomment pre-B)
(if (eq (preceding-char) ?\;)
(forward-char -1))
- (setq pos45 (point))
- (goto-char pos4)
- (while (re-search-forward "\\<\\(for\\|foreach\\|if\\|unless\\|while\\|until\\)\\>\\|;" pos45 t)
+ (setq end-B-code (point))
+ (goto-char pre-B)
+ (while (re-search-forward "\\<\\(for\\|foreach\\|if\\|unless\\|while\\|until\\)\\>\\|;" end-B-code t)
(setq p (match-beginning 0)
- s1 (buffer-substring p (match-end 0))
- state (parse-partial-sexp pos4 p))
+ A (buffer-substring p (match-end 0))
+ state (parse-partial-sexp pre-B p))
(or (nth 3 state)
(nth 4 state)
(nth 5 state)
- (error "`%s' inside `%s' BLOCK" s1 s0))
+ (error "`%s' inside `%s' BLOCK" A if-string))
(goto-char (match-end 0)))
;; Finally got it
- (goto-char (1+ pos4))
+ (goto-char (1+ pre-B))
(skip-chars-forward " \t\n")
- (setq s2 (buffer-substring (point) pos45))
- (goto-char pos45)
+ (setq B (buffer-substring (point) end-B-code))
+ (goto-char end-B-code)
(or (looking-at ";?[ \t\n]*}")
(progn
(skip-chars-forward "; \t\n")
- (setq s2 (concat s2 "\n" (buffer-substring (point) (1- pos5))))))
- (and (equal s2 "")
- (setq s2 "1"))
- (goto-char (1- pos3))
- (cperl-backward-to-noncomment pos2)
+ (setq B-comment
+ (buffer-substring (point) (1- post-B)))))
+ (and (equal B "")
+ (setq B "1"))
+ (goto-char (1- post-A))
+ (cperl-backward-to-noncomment pre-A)
(or (looking-at "[ \t\n]*)")
- (goto-char (1- pos3)))
+ (goto-char (1- post-A)))
(setq p (point))
- (goto-char (1+ pos2))
+ (goto-char (1+ pre-A))
(skip-chars-forward " \t\n")
- (setq s1 (buffer-substring (point) p))
- (delete-region pos4 pos5)
- (delete-region pos2 pos3)
- (goto-char pos1)
- (insert s2 " ")
+ (setq A (buffer-substring (point) p))
+ (delete-region pre-B post-B)
+ (delete-region pre-A post-A)
+ (goto-char pre-if)
+ (insert B " ")
+ (and B-comment (insert B-comment " "))
(just-one-space)
(forward-word 1)
- (setq pos1 (point))
- (insert " " s1 ";")
+ (setq pre-A (point))
+ (insert " " A ";")
(delete-horizontal-space)
+ (setq post-B (point))
+ (if (looking-at "#")
+ (indent-for-comment))
+ (goto-char post-B)
(forward-char -1)
(delete-horizontal-space)
- (goto-char pos1)
+ (goto-char pre-A)
(just-one-space)
- (cperl-indent-line))
- (error "`%s' (EXPR) not with an {BLOCK}" s0)))
- (error "`%s' not with an (EXPR)" s0)))
- (error "Not at `if', `unless', `while', `until', `for' or `foreach'")))
+ (goto-char pre-if)
+ (setq pre-A (set-marker (make-marker) pre-A))
+ (while (<= (point) (marker-position pre-A))
+ (cperl-indent-line)
+ (forward-line 1))
+ (goto-char (marker-position pre-A))
+ (if B-comment
+ (progn
+ (forward-line -1)
+ (indent-for-comment)
+ (goto-char (marker-position pre-A)))))
+ (error "`%s' (EXPR) not with an {BLOCK}" if-string)))
+ ;; (error "`%s' not with an (EXPR)" if-string)
+ (forward-sexp -1)
+ (cperl-invert-if-unless-modifiers)))
+ ;;(error "Not at `if', `unless', `while', `until', `for' or `foreach'")
+ (cperl-invert-if-unless-modifiers)))
;;; By Anthony Foiani <afoiani@uswest.com>
;;; Getting help on modules in C-h f ?
;;; This is a modified version of `man'.
;;; Need to teach it how to lookup functions
+;;;###autoload
(defun cperl-perldoc (word)
"Run `perldoc' on WORD."
(interactive
(t
(Man-getpage-in-background word)))))
+;;;###autoload
(defun cperl-perldoc-at-point ()
"Run a `perldoc' on the word around point."
(interactive)
(defun cperl-pod2man-build-command ()
"Builds the entire background manpage and cleaning command."
(let ((command (concat pod2man-program " %s 2>/dev/null"))
- (flist Man-filter-list))
+ (flist (and (boundp 'Man-filter-list) Man-filter-list)))
(while (and flist (car flist))
(let ((pcom (car (car flist)))
(pargs (cdr (car flist))))
(setq flist (cdr flist))))
command))
+
+(defun cperl-next-interpolated-REx-1 ()
+ "Move point to next REx which has interpolated parts without //o.
+Skips RExes consisting of one interpolated variable.
+
+Note that skipped RExen are not performance hits."
+ (interactive "")
+ (cperl-next-interpolated-REx 1))
+
+(defun cperl-next-interpolated-REx-0 ()
+ "Move point to next REx which has interpolated parts without //o."
+ (interactive "")
+ (cperl-next-interpolated-REx 0))
+
+(defun cperl-next-interpolated-REx (&optional skip beg limit)
+ "Move point to next REx which has interpolated parts.
+SKIP is a list of possible types to skip, BEG and LIMIT are the starting
+point and the limit of search (default to point and end of buffer).
+
+SKIP may be a number, then it behaves as list of numbers up to SKIP; this
+semantic may be used as a numeric argument.
+
+Types are 0 for / $rex /o (interpolated once), 1 for /$rex/ (if $rex is
+a result of qr//, this is not a performance hit), t for the rest."
+ (interactive "P")
+ (if (numberp skip) (setq skip (list 0 skip)))
+ (or beg (setq beg (point)))
+ (or limit (setq limit (point-max))) ; needed for n-s-p-c
+ (let (pp)
+ (and (eq (get-text-property beg 'syntax-type) 'string)
+ (setq beg (next-single-property-change beg 'syntax-type nil limit)))
+ (cperl-map-pods-heres
+ (function (lambda (s e p)
+ (if (memq (get-text-property s 'REx-interpolated) skip)
+ t
+ (setq pp s)
+ nil))) ; nil stops
+ 'REx-interpolated beg limit)
+ (if pp (goto-char pp)
+ (message "No more interpolated REx"))))
+
+;;; Initial version contributed by Trey Belew
+(defun cperl-here-doc-spell (&optional beg end)
+ "Spell-check HERE-documents in the Perl buffer.
+If a region is highlighted, restricts to the region."
+ (interactive "")
+ (cperl-pod-spell t beg end))
+
+(defun cperl-pod-spell (&optional do-heres beg end)
+ "Spell-check POD documentation.
+If invoked with prefix argument, will do HERE-DOCs instead.
+If a region is highlighted, restricts to the region."
+ (interactive "P")
+ (save-excursion
+ (let (beg end)
+ (if (cperl-mark-active)
+ (setq beg (min (mark) (point))
+ end (max (mark) (point)))
+ (setq beg (point-min)
+ end (point-max)))
+ (cperl-map-pods-heres (function
+ (lambda (s e p)
+ (if do-heres
+ (setq e (save-excursion
+ (goto-char e)
+ (forward-line -1)
+ (point))))
+ (ispell-region s e)
+ t))
+ (if do-heres 'here-doc-group 'in-pod)
+ beg end))))
+
+(defun cperl-map-pods-heres (func &optional prop s end)
+ "Executes a function over regions of pods or here-documents.
+PROP is the text-property to search for; default to `in-pod'. Stop when
+function returns nil."
+ (let (pos posend has-prop (cont t))
+ (or prop (setq prop 'in-pod))
+ (or s (setq s (point-min)))
+ (or end (setq end (point-max)))
+ (cperl-update-syntaxification end end)
+ (save-excursion
+ (goto-char (setq pos s))
+ (while (and cont (< pos end))
+ (setq has-prop (get-text-property pos prop))
+ (setq posend (next-single-property-change pos prop nil end))
+ (and has-prop
+ (setq cont (funcall func pos posend prop)))
+ (setq pos posend)))))
+
+;;; Based on code by Masatake YAMATO:
+(defun cperl-get-here-doc-region (&optional pos pod)
+ "Return HERE document region around the point.
+Return nil if the point is not in a HERE document region. If POD is non-nil,
+will return a POD section if point is in a POD section."
+ (or pos (setq pos (point)))
+ (cperl-update-syntaxification pos pos)
+ (if (or (eq 'here-doc (get-text-property pos 'syntax-type))
+ (and pod
+ (eq 'pod (get-text-property pos 'syntax-type))))
+ (let ((b (cperl-beginning-of-property pos 'syntax-type))
+ (e (next-single-property-change pos 'syntax-type)))
+ (cons b (or e (point-max))))))
+
+(defun cperl-narrow-to-here-doc (&optional pos)
+ "Narrows editing region to the HERE-DOC at POS.
+POS defaults to the point."
+ (interactive "d")
+ (or pos (setq pos (point)))
+ (let ((p (cperl-get-here-doc-region pos)))
+ (or p (error "Not inside a HERE document"))
+ (narrow-to-region (car p) (cdr p))
+ (message
+ "When you are finished with narrow editing, type C-x n w")))
+
+(defun cperl-select-this-pod-or-here-doc (&optional pos)
+ "Select the HERE-DOC (or POD section) at POS.
+POS defaults to the point."
+ (interactive "d")
+ (let ((p (cperl-get-here-doc-region pos t)))
+ (if p
+ (progn
+ (goto-char (car p))
+ (push-mark (cdr p) nil t)) ; Message, activate in transient-mode
+ (message "I do not think POS is in POD or a HERE-doc..."))))
+
+(defun cperl-facemenu-add-face-function (face end)
+ "A callback to process user-initiated font-change requests.
+Translates `bold', `italic', and `bold-italic' requests to insertion of
+corresponding POD directives, and `underline' to C<> POD directive.
+
+Such requests are usually bound to M-o LETTER."
+ (or (get-text-property (point) 'in-pod)
+ (error "Faces can only be set within POD"))
+ (setq facemenu-end-add-face (if (eq face 'bold-italic) ">>" ">"))
+ (cdr (or (assq face '((bold . "B<")
+ (italic . "I<")
+ (bold-italic . "B<I<")
+ (underline . "C<")))
+ (error "Face %s not configured for cperl-mode"
+ face))))
+\f
+(defun cperl-time-fontification (&optional l step lim)
+ "Times how long it takes to do incremental fontification in a region.
+L is the line to start at, STEP is the number of lines to skip when
+doing next incremental fontification, LIM is the maximal number of
+incremental fontification to perform. Messages are accumulated in
+*Messages* buffer.
+
+May be used for pinpointing which construct slows down buffer fontification:
+start with default arguments, then refine the slowdown regions."
+ (interactive "nLine to start at: \nnStep to do incremental fontification: ")
+ (or l (setq l 1))
+ (or step (setq step 500))
+ (or lim (setq lim 40))
+ (let* ((timems (function (lambda ()
+ (let ((tt (current-time)))
+ (+ (* 1000 (nth 1 tt)) (/ (nth 2 tt) 1000))))))
+ (tt (funcall timems)) (c 0) delta tot)
+ (goto-line l)
+ (cperl-mode)
+ (setq tot (- (- tt (setq tt (funcall timems)))))
+ (message "cperl-mode at %s: %s" l tot)
+ (while (and (< c lim) (not (eobp)))
+ (forward-line step)
+ (setq l (+ l step))
+ (setq c (1+ c))
+ (cperl-update-syntaxification (point) (point))
+ (setq delta (- (- tt (setq tt (funcall timems)))) tot (+ tot delta))
+ (message "to %s:%6s,%7s" l delta tot))
+ tot))
+
+(defun cperl-emulate-lazy-lock (&optional window-size)
+ "Emulate `lazy-lock' without `condition-case', so `debug-on-error' works.
+Start fontifying the buffer from the start (or end) using the given
+WINDOW-SIZE (units is lines). Negative WINDOW-SIZE starts at end, and
+goes backwards; default is -50. This function is not CPerl-specific; it
+may be used to debug problems with delayed incremental fontification."
+ (interactive
+ "nSize of window for incremental fontification, negative goes backwards: ")
+ (or window-size (setq window-size -50))
+ (let ((pos (if (> window-size 0)
+ (point-min)
+ (point-max)))
+ p)
+ (goto-char pos)
+ (normal-mode)
+ ;; Why needed??? With older font-locks???
+ (set (make-local-variable 'font-lock-cache-position) (make-marker))
+ (while (if (> window-size 0)
+ (< pos (point-max))
+ (> pos (point-min)))
+ (setq p (progn
+ (forward-line window-size)
+ (point)))
+ (font-lock-fontify-region (min p pos) (max p pos))
+ (setq pos p))))
+
+\f
(defun cperl-lazy-install ()) ; Avoid a warning
(defun cperl-lazy-unstall ()) ; Avoid a warning
before-change-functions after-change-functions
deactivate-mark buffer-file-name buffer-file-truename)
(remove-text-properties beg end '(face nil))
- (when (and (not modified) (buffer-modified-p))
+ (if (and (not modified) (buffer-modified-p))
(set-buffer-modified-p nil))))
+(defun cperl-font-lock-fontify-region-function (beg end loudly)
+ "Extends the region to safe positions, then calls the default function.
+Newer `font-lock's can do it themselves.
+We unwind only as far as needed for fontification. Syntaxification may
+do extra unwind via `cperl-unwind-to-safe'."
+ (save-excursion
+ (goto-char beg)
+ (while (and beg
+ (progn
+ (beginning-of-line)
+ (eq (get-text-property (setq beg (point)) 'syntax-type)
+ 'multiline)))
+ (if (setq beg (cperl-beginning-of-property beg 'syntax-type))
+ (goto-char beg)))
+ (setq beg (point))
+ (goto-char end)
+ (while (and end
+ (progn
+ (or (bolp) (condition-case nil
+ (forward-line 1)
+ (error nil)))
+ (eq (get-text-property (setq end (point)) 'syntax-type)
+ 'multiline)))
+ (setq end (next-single-property-change end 'syntax-type nil (point-max)))
+ (goto-char end))
+ (setq end (point)))
+ (font-lock-default-fontify-region beg end loudly))
+
(defvar cperl-d-l nil)
(defun cperl-fontify-syntaxically (end)
;; Some vars for debugging only
;; (message "Syntaxifying...")
- (let ((dbg (point)) (iend end)
+ (let ((dbg (point)) (iend end) (idone cperl-syntax-done-to)
(istate (car cperl-syntax-state))
- start)
- (and cperl-syntaxify-unwind
- (setq end (cperl-unwind-to-safe t end)))
- (setq start (point))
+ start from-start edebug-backtrace-buffer)
+ (if (eq cperl-syntaxify-by-font-lock 'backtrace)
+ (progn
+ (require 'edebug)
+ (let ((f 'edebug-backtrace))
+ (funcall f)))) ; Avoid compile-time warning
(or cperl-syntax-done-to
- (setq cperl-syntax-done-to (point-min)))
- (if (or (not (boundp 'font-lock-hot-pass))
- (eval 'font-lock-hot-pass)
- t) ; Not debugged otherwise
- ;; Need to forget what is after `start'
- (setq start (min cperl-syntax-done-to start))
- ;; Fontification without a change
- (setq start (max cperl-syntax-done-to start)))
+ (setq cperl-syntax-done-to (point-min)
+ from-start t))
+ (setq start (if (and cperl-hook-after-change
+ (not from-start))
+ cperl-syntax-done-to ; Fontify without change; ignore start
+ ;; Need to forget what is after `start'
+ (min cperl-syntax-done-to (point))))
+ (goto-char start)
+ (beginning-of-line)
+ (setq start (point))
+ (and cperl-syntaxify-unwind
+ (setq end (cperl-unwind-to-safe t end)
+ start (point)))
(and (> end start)
(setq cperl-syntax-done-to start) ; In case what follows fails
(cperl-find-pods-heres start end t nil t))
- (if (eq cperl-syntaxify-by-font-lock 'message)
- (message "Syntaxified %s..%s from %s to %s(%s), state %s-->%s"
- dbg iend
- start end cperl-syntax-done-to
+ (if (memq cperl-syntaxify-by-font-lock '(backtrace message))
+ (message "Syxify req=%s..%s actual=%s..%s done-to: %s=>%s statepos: %s=>%s"
+ dbg iend start end idone cperl-syntax-done-to
istate (car cperl-syntax-state))) ; For debugging
nil)) ; Do not iterate
(defun cperl-fontify-update (end)
- (let ((pos (point)) prop posend)
+ (let ((pos (point-min)) prop posend)
+ (setq end (point-max))
(while (< pos end)
- (setq prop (get-text-property pos 'cperl-postpone))
- (setq posend (next-single-property-change pos 'cperl-postpone nil end))
+ (setq prop (get-text-property pos 'cperl-postpone)
+ posend (next-single-property-change pos 'cperl-postpone nil end))
(and prop (put-text-property pos posend (car prop) (cdr prop)))
(setq pos posend)))
nil) ; Do not iterate
+(defun cperl-fontify-update-bad (end)
+ ;; Since fontification happens with different region than syntaxification,
+ ;; do to the end of buffer, not to END;;; likewise, start earlier if needed
+ (let* ((pos (point)) (prop (get-text-property pos 'cperl-postpone)) posend)
+ (if prop
+ (setq pos (or (cperl-beginning-of-property
+ (cperl-1+ pos) 'cperl-postpone)
+ (point-min))))
+ (while (< pos end)
+ (setq posend (next-single-property-change pos 'cperl-postpone))
+ (and prop (put-text-property pos posend (car prop) (cdr prop)))
+ (setq pos posend)
+ (setq prop (get-text-property pos 'cperl-postpone))))
+ nil) ; Do not iterate
+
+;; Called when any modification is made to buffer text.
+(defun cperl-after-change-function (beg end old-len)
+ ;; We should have been informed about changes by `font-lock'. Since it
+ ;; does not inform as which calls are defered, do it ourselves
+ (if cperl-syntax-done-to
+ (setq cperl-syntax-done-to (min cperl-syntax-done-to beg))))
+
(defun cperl-update-syntaxification (from to)
(if (and cperl-use-syntax-table-text-property
cperl-syntaxify-by-font-lock
(cperl-fontify-syntaxically to)))))
(defvar cperl-version
- (let ((v "$Revision: 5.0 $"))
+ (let ((v "$Revision: 5.23 $"))
(string-match ":\\s *\\([0-9.]+\\)" v)
(substring v (match-beginning 1) (match-end 1)))
"Version of IZ-supported CPerl package this file is based on.")
projects / p5sagit/p5-mst-13.2.git / commitdiff