* lisp/wid-edit.el: Use lexical scoping and move towards completion-at-point.
(widget-complete): Use new :completion-function property.
(widget-completions-at-point): New function.
(default): Use :completion-function instead of :complete.
(widget-default-completions): Rename from widget-default-complete, rewrite.
(widget-string-complete, widget-file-complete, widget-color-complete):
Remove functions.
(file, symbol, function, variable, coding-system, color):
* lisp/international/mule-cmds.el (default-input-method, charset)
(language-info-custom-alist):
* lisp/cus-edit.el (face): Use new property :completions.
* lisp/progmodes/pascal.el (pascal-completions-at-point): New function.
(pascal-mode): Use it.
(pascal-mode-map): Use completion-at-point.
(pascal-toggle-completions): Make obsolete.
(pascal-complete-word, pascal-show-completions):
* lisp/progmodes/octave-mod.el (octave-complete-symbol):
Redefine as obsolete alias.
* lisp/progmodes/octave-inf.el (inferior-octave-completion-at-point):
Signal absence of completion info for old Octave,
(inferior-octave-complete): Redefine as obsolete alias.
* lisp/progmodes/meta-mode.el: Use lexical-binding and completion-at-point.
(meta-completions-at-point): Rename from meta-complete-symbol and
adapt it for use on completion-at-point-functions.
(meta-common-mode): Use it.
(meta-looking-at-backward, meta-match-buffer): Remove.
(meta-complete-symbol): Redefine as obsolete alias.
(meta-common-mode-map): Use completion-at-point.
* lisp/progmodes/make-mode.el: Use lexical-binding and completion-at-point.
(makefile-mode-map): Use completion-at-point.
(makefile-completions-at-point): Rename from makefile-complete and
adapt it for use on completion-at-point-functions.
(makefile-mode): Use it.
(makefile-complete): Redefine as obsolete alias.
* lisp/progmodes/octave-inf.el (inferior-octave-mode-syntax-table):
Inherit from octave-mode-syntax-table.
(inferior-octave-mode): Set info-lookup-mode.
(inferior-octave-completion-at-point): New function.
(inferior-octave-complete): Use it and completion-in-region.
(inferior-octave-dynamic-complete-functions): Use it as well, and use
comint-filename-completion.
* lisp/progmodes/octave-mod.el (octave-mode-syntax-table): Use _ syntax for
symbol elements which shouldn't be word elements.
(octave-font-lock-keywords, octave-beginning-of-defun)
(octave-function-header-regexp): Adjust regexps accordingly.
(octave-mode-map): Also use info-lookup-symbol for C-c C-h.
(smie-precs->prec2): Rename from smie-precs-precedence-table.
(smie-bnf->prec2): Rename from smie-bnf-precedence-table.
(smie-prec2->grammar): Rename from smie-prec2-levels.
(smie-grammar): Rename from smie-op-levels.
(smie-indent--hanging-p): Rename from smie-hanging-p.
(smie-rule-hanging-p): New alias.
(smie-indent--bolp): Rename from smie-bolp.
(smie-indent--hanging-p): New alias.
(smie--token): New dynamically bound variable.
(smie-indent--parent): New function.
(smie-rule-parent-p): Use it; rename from smie-parent-p.
(smie-rule-next-p): Rename from smie-next-p.
(smie-rule-prev-p): Rename from smie-prev-p.
(smie-rule-sibling-p, smie-rule-parent)
(smie-indent--separator-outdent, smie-rule-separator): New functions.
(smie-rule-separator-outdent): New var.
(smie-indent--rule): Merge with smie-indent--column.
(smie-indent-forward-token, smie-indent-backward-token):
Also recognize close parens.
(smie-indent-keyword): Don't use smie-indent--column any more.
(smie-indent-after-keyword): Ignore closers by default.
(smie-indent-line): Use with-demoted-errors.
* lisp/progmodes/octave-mod.el (octave-smie-grammar):
Rename from octave-smie-op-levels.
(octave-smie-rules): Adjust to new behavior.
* lisp/progmodes/prolog.el (prolog-smie-grammar):
Rename from prolog-smie-op-levels.
* lisp/emacs-lisp/smie.el (smie-precs-precedence-table)
(smie-merge-prec2s, smie-bnf-precedence-table, smie-prec2-levels):
Mark them pure so the tables gets built at compile time.
(smie-bnf-precedence-table): Store the closer-alist in the table.
(smie-prec2-levels): Preserve the closer-alist.
(smie-blink-matching-open): Be more forgiving in case of indentation.
(smie-hanging-p): Rename from smie-indent--hanging-p.
(smie-bolp): Rename from smie-indent--bolp.
(smie--parent, smie--after): New dynamic vars.
(smie-parent-p, smie-next-p, smie-prev-p): New funs.
(smie-indent-rules): Remove.
(smie-indent--offset-rule): Remove fun.
(smie-rules-function): New var.
(smie-indent--rule): New fun.
(smie-indent--offset, smie-indent-keyword, smie-indent-after-keyword)
(smie-indent-exps): Use it.
(smie-setup): Setup paren blinking; add keyword args for token
functions; extract closer-alist from op-levels.
(smie-indent-debug-log): Remove var.
(smie-indent-debug): Remove fun.
* lisp/progmodes/prolog.el (prolog-smie-indent-rules): Remove.
(prolog-smie-rules): New fun to replace it.
(prolog-mode-variables): Simplify.
* lisp/progmodes/octave-mod.el (octave-smie-closer-alist): Remove, now that
it's setup automatically.
(octave-smie-indent-rules): Remove.
(octave-smie-rules): New fun to replace it.
(octave-mode): Simplify.
* lisp/progmodes/octave-mod.el (octave-mode):
* lisp/progmodes/ruby-mode.el (ruby-mode): Take advantage of it.
(ruby-mode-abbrev-table): Merge initialization and declaration.
* lisp/emacs-lisp/smie.el (smie-bnf-classify): New function.
(smie-bnf-precedence-table): Use it to remember the closers/openers.
(smie-merge-prec2s): Handle those new entries.
(smie-prec2-levels): Only set precedence to nil for actual
openers/closers.
* lisp/progmodes/octave-mod.el (octave-smie-op-levels): Remove dummy entry
that is now unnecessary.
* lisp/font-lock.el (font-lock-syntactic-keywords): Make obsolete.
(font-lock-fontify-syntactic-keywords-region): Move handling of
font-lock-syntactically-fontified to...
(font-lock-default-fontify-region): ...here.
Let syntax-propertize-function take precedence.
(font-lock-fontify-syntactically-region): Cal syntax-propertize.
* lisp/emacs-lisp/regexp-opt.el (regexp-opt-depth): Skip named groups.
* lisp/emacs-lisp/syntax.el (syntax-propertize-function)
(syntax-propertize-chunk-size, syntax-propertize--done)
(syntax-propertize-extend-region-functions): New vars.
(syntax-propertize-wholelines, syntax-propertize-multiline)
(syntax-propertize--shift-groups, syntax-propertize-via-font-lock)
(syntax-propertize): New functions.
(syntax-propertize-rules): New macro.
(syntax-ppss-flush-cache): Set syntax-propertize--done.
(syntax-ppss): Call syntax-propertize.
* lisp/progmodes/ada-mode.el (ada-set-syntax-table-properties)
(ada-after-change-function, ada-initialize-syntax-table-properties)
(ada-handle-syntax-table-properties): Only define when
syntax-propertize is not available.
(ada-mode): Use syntax-propertize-function.
* lisp/progmodes/autoconf.el (autoconf-mode):
Use syntax-propertize-function.
(autoconf-font-lock-syntactic-keywords): Remove.
* lisp/progmodes/cfengine.el (cfengine-mode):
Use syntax-propertize-function.
(cfengine-font-lock-syntactic-keywords): Remove.
* lisp/progmodes/cperl-mode.el (cperl-mode): Use syntax-propertize-function.
* lisp/progmodes/fortran.el (fortran-mode): Use syntax-propertize-function.
(fortran--font-lock-syntactic-keywords): New var.
(fortran-line-length): Update syntax-propertize-function and
fortran--font-lock-syntactic-keywords.
* lisp/progmodes/gud.el (gdb-script-syntax-propertize-function): New var;
replaces gdb-script-font-lock-syntactic-keywords.
(gdb-script-mode): Use it.
* lisp/progmodes/js.el (js--regexp-literal): Define while compiling.
(js-syntax-propertize-function): New var; replaces
js-font-lock-syntactic-keywords.
(js-mode): Use it.
* lisp/progmodes/make-mode.el (makefile-syntax-propertize-function):
New var; replaces makefile-font-lock-syntactic-keywords.
(makefile-mode): Use it.
(makefile-imake-mode): Adjust.
* lisp/progmodes/mixal-mode.el (mixal-syntax-propertize-function): New var;
replaces mixal-font-lock-syntactic-keywords.
(mixal-mode): Use it.
* lisp/progmodes/octave-mod.el (octave-syntax-propertize-sqs): New function
to replace octave-font-lock-close-quotes.
(octave-syntax-propertize-function): New function to replace
octave-font-lock-syntactic-keywords.
(octave-mode): Use it.
* lisp/progmodes/perl-mode.el (perl-syntax-propertize-function): New fun to
replace perl-font-lock-syntactic-keywords.
(perl-syntax-propertize-special-constructs): New fun to replace
perl-font-lock-special-syntactic-constructs.
(perl-font-lock-syntactic-face-function): New fun.
(perl-mode): Use it.
* lisp/progmodes/python.el (python-syntax-propertize-function): New var to
replace python-font-lock-syntactic-keywords.
(python-mode): Use it.
(python-quote-syntax): Simplify and adjust to new use.
* lisp/progmodes/ruby-mode.el (ruby-here-doc-beg-re):
Define while compiling.
(ruby-here-doc-end-re, ruby-here-doc-beg-match)
(ruby-font-lock-syntactic-keywords, ruby-comment-beg-syntax)
(syntax-ppss, ruby-in-ppss-context-p, ruby-in-here-doc-p)
(ruby-here-doc-find-end, ruby-here-doc-beg-syntax)
(ruby-here-doc-end-syntax): Only define when
syntax-propertize is not available.
(ruby-syntax-propertize-function, ruby-syntax-propertize-heredoc):
New functions.
(ruby-in-ppss-context-p): Update to new syntax of heredocs.
(electric-indent-chars): Silence bytecompiler.
(ruby-mode): Use prog-mode, syntax-propertize-function, and
electric-indent-chars.
* lisp/progmodes/sh-script.el (sh-st-symbol): Remove.
(sh-font-lock-close-heredoc, sh-font-lock-open-heredoc): Add eol arg.
(sh-font-lock-flush-syntax-ppss-cache, sh-font-lock-here-doc): Remove.
(sh-font-lock-quoted-subshell): Assume we've already matched $(.
(sh-font-lock-paren): Set syntax-multiline.
(sh-font-lock-syntactic-keywords): Remove.
(sh-syntax-propertize-function): New function to replace it.
(sh-mode): Use it.
* lisp/progmodes/simula.el (simula-syntax-propertize-function): New var to
replace simula-font-lock-syntactic-keywords.
(simula-mode): Use it.
* lisp/progmodes/tcl.el (tcl-syntax-propertize-function): New var to
replace tcl-font-lock-syntactic-keywords.
(tcl-mode): Use it.
* lisp/progmodes/vhdl-mode.el (vhdl-mode): Use syntax-propertize-function
if available.
(vhdl-fontify-buffer): Adjust.
* lisp/textmodes/bibtex.el (bibtex-mode): Use syntax-propertize-function.
* lisp/textmodes/reftex.el (font-lock-syntactic-keywords): Don't declare
since we don't use it.
* lisp/textmodes/sgml-mode.el (sgml-syntax-propertize-function): New var to
replace sgml-font-lock-syntactic-keywords.
(sgml-mode): Use it.
* lisp/textmodes/tex-mode.el (tex-common-initialization, doctex-mode):
Use syntax-propertize-function.
* lisp/textmodes/texinfo.el (texinfo-syntax-propertize-function): New fun
to replace texinfo-font-lock-syntactic-keywords.
(texinfo-mode): Use it.
* test/indent/octave.m: Remove some `fixindent' not needed any more.
* lisp/progmodes/octave-mod.el (octave-font-lock-close-quotes):
Backslashes do not escape single-quotes, single-quotes do.
(octave-block-else-regexp, octave-block-end-regexp)
(octave-block-match-alist): Remove.
(octave-smie-bnf-table): New var, with old content.
(octave-smie-op-levels): Use it.
(octave-smie-closer-alist): New var.
(octave-mode): Use it. Setup smie-blink-matching and electric-indent.
(octave-blink-matching-block-open): Remove.
(octave-reindent-then-newline-and-indent, octave-electric-semi)
(octave-electric-space): Let self-insert-command run expand-abbrev and
blink parens.
* lisp/progmodes/octave-mod.el (octave-mode-map): Remap down-list to
smie-down-list rather than add a binding for octave-down-block.
(octave-mark-block, octave-blink-matching-block-open):
Rely on forward-sexp-function.
(octave-fill-paragraph): Don't narrow, so you can use
indent-according-to-mode.
(octave-block-begin-regexp, octave-block-begin-or-end-regexp): Remove.
(octave-in-block-p, octave-re-search-forward-kw)
(octave-re-search-backward-kw, octave-indent-calculate)
(octave-end-as-array-index-p, octave-block-end-offset)
(octave-scan-blocks, octave-forward-block, octave-backward-block)
(octave-down-block, octave-backward-up-block, octave-up-block)
(octave-before-magic-comment-p, octave-indent-line): Remove.
* test/indent/octave.m: New file.
* lisp/progmodes/octave-mod.el (octave-font-lock-keywords): Use regexp-opt.
(octave-mode-map): Remove special bindings for forward/backward-block
and octave-backward-up-block. Use smie-close-block.
(octave-continuation-marker-regexp): New var.
(octave-continuation-regexp): Use it.
(octave-operator-table, octave-smie-op-levels)
(octave-operator-regexp, octave-smie-indent-rules): New vars.
(octave-smie-backward-token, octave-smie-forward-token): New funs.
(octave-mode): Use SMIE.
(octave-close-block): Delete.
* lisp/progmodes/octave-mod.el (octave-font-lock-keywords): Use regexp-opt.
(octave-font-lock-close-quotes): New function.
(octave-font-lock-syntactic-keywords): New var.
(octave-mode): Use it. Set beginning-of-defun-function.
(octave-mode-map): Don't override the <foo>-defun commands.
(octave-mode-menu): Pass it directly to easy-menu-define;
remove (now generic) <foo>-defun commands; use info-lookup-symbol.
(octave-block-match-alist): Fix up last change so that
octave-close-block uses the more specific keyword.
(info-lookup-mode): Silence byte-compiler.
(octave-beginning-of-defun): Not interactive any more.
Optimize slightly.
(octave-end-of-defun, octave-mark-defun, octave-in-defun-p): Remove.
(octave-indent-defun, octave-send-defun): Use mark-defun instead.
(octave-completion-at-point-function): Make sure point is within
beg..end.
(octave-reindent-then-newline-and-indent):
Use reindent-then-newline-and-indent.
(octave-add-octave-menu): Remove.
* src/syntax.c (SYNTAX_FLAGS_COMMENT_STYLEB)
(SYNTAX_FLAGS_COMMENT_STYLEC): New macros.
(SYNTAX_FLAGS_COMMENT_STYLE): Use them, add an argument.
(syntax_prefix_flag_p): New function.
(Fstring_to_syntax): Understand new "c" flag.
(Finternal_describe_syntax_value): Recognize new flag; use the
SYNTAX_FLAGS_* macros.
(scan_sexps_forward, Fparse_partial_sexp): Change representation of
comment style to accomodate the new styles.
(back_comment, forw_comment, Fforward_comment, scan_lists)
(scan_sexps_forward): Update code to obey the new comment style flag.
* src/syntax.h: Move SYNTAX_FLAGS_FOO() macros to syntax.c.
* src/casefiddle.c (casify_region): Use the new syntax_prefix_flag_p.
* lisp/progmodes/octave-mod.el (octave-mode-syntax-table): Use the new "c"
comment style.
* lisp/progmodes/scheme.el (scheme-mode-syntax-table):
* lisp/emacs-lisp/lisp-mode.el (lisp-mode-syntax-table): Remove spurious
"b" flag in "14b" syntax.
Fixes: debbugs:6834
* lisp/progmodes/octave-mod.el (octave-mode-syntax-table):
Better describe the problem.
(octave-fill-paragraph): Also update caller.
(octave-completion-at-point-function): Fix up typo.
* lisp/progmodes/octave-mod.el (octave-mode-map): Remove special bindings
for (un)commenting the region and performing completion.
(octave-mode-menu): Use standard commands for help and completion.
(octave-mode-syntax-table): Support %{..%} comments (sort of).
(octave-mode): Use define-derived-mode.
Set completion-at-point-functions and don't set columns.
Don't disable adaptive-fill-regexp.
(octave-describe-major-mode, octave-comment-region)
(octave-uncomment-region, octave-comment-indent)
(octave-indent-for-comment): Remove.
(octave-indent-calculate): Rename from calculate-octave-indent.
(octave-indent-line): Update caller.
(octave-initialize-completions): No need to make an alist.
(octave-completion-at-point-function): New function.
(octave-complete-symbol): Use it.
(octave-insert-defun): Use define-skeleton.
* progmodes/octave-mod.el (octave-end-keywords)
(octave-block-begin-or-end-regexp, octave-block-match-alist): Add
"end" keyword (Bug#3061).
(octave-end-as-array-index-p): New function.
(calculate-octave-indent): Use it.
(octave-looking-at-kw)
(octave-re-search-forward-kw, octave-re-search-backward-kw): New functions.
(octave-in-defun-p, calculate-octave-indent)
(octave-blink-matching-block-open, octave-beginning-of-defun)
(octave-auto-fill): Use octave-looking-at-kw instead of looking-at,
to search for regexps that contain case-sensitive keywords.
(octave-beginning-of-defun): Likewise, for octave-re-search-backward-kw.
(octave-scan-blocks): Likewise, for octave-re-search-forward-kw.
