Merge from upstream, upto version 5.22.
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
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