emacs/lisp/progmodes/autoconf.el

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;;; autoconf.el --- mode for editing Autoconf configure.ac files
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;; Copyright (C) 2000-2013 Free Software Foundation, Inc.
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;; Author: Dave Love <fx@gnu.org>
;; Keywords: languages
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
;; Provides fairly minimal font-lock, imenu and indentation support
;; for editing configure.ac files. Only Autoconf syntax is processed.
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;; There is no attempt to deal with shell text -- probably that will
;; always lose.
;; This is specialized for configure.ac files. It doesn't inherit the
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;; general M4 stuff from M4 mode.
;; There is also an autoconf-mode.el in existence. That appears to be
;; for editing the Autoconf M4 source, rather than configure.ac files.
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;;; Code:
(defvar autoconf-mode-map (make-sparse-keymap))
(defvar autoconf-mode-hook nil
"Hook run by `autoconf-mode'.")
(defconst autoconf-definition-regexp
* lisp/progmodes/f90.el (f90-mode-syntax-table): Use symbol syntax for "_". Change all regexps to use things like \_< and \_>. * lisp/progmodes/ada-mode.el (ada-mode-abbrev-table): Consolidate declaration. (ada-mode-syntax-table, ada-mode-symbol-syntax-table): Initialize in the declaration. (ada-create-syntax-table): Remove. (ada-capitalize-word): Don't mess with the syntax of "_" since it already has the right syntax nowadays. (ada-goto-next-word): Don't change the syntax of "_". * lisp/progmodes/autoconf.el (autoconf-definition-regexp) (autoconf-font-lock-keywords, autoconf-current-defun-function): Handle a _ with symbol syntax. (autoconf-mode): Don't change the syntax-table for imenu and font-lock. * lisp/progmodes/vera-mode.el (vera-underscore-is-part-of-word): * lisp/progmodes/prolog.el (prolog-underscore-wordchar-flag) (prolog-char-quote-workaround): * lisp/progmodes/cperl-mode.el (cperl-under-as-char): * lisp/progmodes/vhdl-mode.el (vhdl-underscore-is-part-of-word): Mark as obsolete. (vhdl-mode-syntax-table, vhdl-mode-ext-syntax-table): Initialize in their declaration. (vhdl-mode-syntax-table-init): Remove. * lisp/progmodes/ld-script.el (ld-script-mode-syntax-table): Use symbol syntax for "_". (ld-script-font-lock-keywords): Change regexps to use things like \_< and \_>. * lisp/progmodes/m4-mode.el (m4-mode-syntax-table): Add comment on last change. * lisp/font-lock.el (lisp-font-lock-keywords-2): Don't highlight obsolete with-wrapper-hook. * lisp/mh-e/mh-comp.el (mh-regexp-in-field-p): Minor simplification.
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"A\\(?:H_TEMPLATE\\|C_\\(?:SUBST\\|DEFINE\\(?:_UNQUOTED\\)?\\)\\)(\\[*\\(\\(?:\\sw\\|\\s_\\)+\\)\\]*")
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(defvar autoconf-font-lock-keywords
* lisp/progmodes/f90.el (f90-mode-syntax-table): Use symbol syntax for "_". Change all regexps to use things like \_< and \_>. * lisp/progmodes/ada-mode.el (ada-mode-abbrev-table): Consolidate declaration. (ada-mode-syntax-table, ada-mode-symbol-syntax-table): Initialize in the declaration. (ada-create-syntax-table): Remove. (ada-capitalize-word): Don't mess with the syntax of "_" since it already has the right syntax nowadays. (ada-goto-next-word): Don't change the syntax of "_". * lisp/progmodes/autoconf.el (autoconf-definition-regexp) (autoconf-font-lock-keywords, autoconf-current-defun-function): Handle a _ with symbol syntax. (autoconf-mode): Don't change the syntax-table for imenu and font-lock. * lisp/progmodes/vera-mode.el (vera-underscore-is-part-of-word): * lisp/progmodes/prolog.el (prolog-underscore-wordchar-flag) (prolog-char-quote-workaround): * lisp/progmodes/cperl-mode.el (cperl-under-as-char): * lisp/progmodes/vhdl-mode.el (vhdl-underscore-is-part-of-word): Mark as obsolete. (vhdl-mode-syntax-table, vhdl-mode-ext-syntax-table): Initialize in their declaration. (vhdl-mode-syntax-table-init): Remove. * lisp/progmodes/ld-script.el (ld-script-mode-syntax-table): Use symbol syntax for "_". (ld-script-font-lock-keywords): Change regexps to use things like \_< and \_>. * lisp/progmodes/m4-mode.el (m4-mode-syntax-table): Add comment on last change. * lisp/font-lock.el (lisp-font-lock-keywords-2): Don't highlight obsolete with-wrapper-hook. * lisp/mh-e/mh-comp.el (mh-regexp-in-field-p): Minor simplification.
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`(("\\_<A[CHMS]_\\(?:\\sw\\|\\s_\\)+" . font-lock-keyword-face)
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(,autoconf-definition-regexp
1 font-lock-function-name-face)
;; Are any other M4 keywords really appropriate for configure.ac,
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;; given that we do `dnl'?
("changequote" . font-lock-keyword-face)))
(defvar autoconf-mode-syntax-table
(let ((table (make-syntax-table)))
(modify-syntax-entry ?\" "." table)
(modify-syntax-entry ?\n ">" table)
(modify-syntax-entry ?# "<" table)
table))
(defvar autoconf-imenu-generic-expression
(list (list nil autoconf-definition-regexp 1)))
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;; It's not clear how best to implement this.
(defun autoconf-current-defun-function ()
"Function to use for `add-log-current-defun-function' in Autoconf mode.
This version looks back for an AC_DEFINE or AC_SUBST. It will stop
searching backwards at another AC_... command."
(save-excursion
* lisp/progmodes/f90.el (f90-mode-syntax-table): Use symbol syntax for "_". Change all regexps to use things like \_< and \_>. * lisp/progmodes/ada-mode.el (ada-mode-abbrev-table): Consolidate declaration. (ada-mode-syntax-table, ada-mode-symbol-syntax-table): Initialize in the declaration. (ada-create-syntax-table): Remove. (ada-capitalize-word): Don't mess with the syntax of "_" since it already has the right syntax nowadays. (ada-goto-next-word): Don't change the syntax of "_". * lisp/progmodes/autoconf.el (autoconf-definition-regexp) (autoconf-font-lock-keywords, autoconf-current-defun-function): Handle a _ with symbol syntax. (autoconf-mode): Don't change the syntax-table for imenu and font-lock. * lisp/progmodes/vera-mode.el (vera-underscore-is-part-of-word): * lisp/progmodes/prolog.el (prolog-underscore-wordchar-flag) (prolog-char-quote-workaround): * lisp/progmodes/cperl-mode.el (cperl-under-as-char): * lisp/progmodes/vhdl-mode.el (vhdl-underscore-is-part-of-word): Mark as obsolete. (vhdl-mode-syntax-table, vhdl-mode-ext-syntax-table): Initialize in their declaration. (vhdl-mode-syntax-table-init): Remove. * lisp/progmodes/ld-script.el (ld-script-mode-syntax-table): Use symbol syntax for "_". (ld-script-font-lock-keywords): Change regexps to use things like \_< and \_>. * lisp/progmodes/m4-mode.el (m4-mode-syntax-table): Add comment on last change. * lisp/font-lock.el (lisp-font-lock-keywords-2): Don't highlight obsolete with-wrapper-hook. * lisp/mh-e/mh-comp.el (mh-regexp-in-field-p): Minor simplification.
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(skip-syntax-forward "w_" (line-end-position))
(if (re-search-backward autoconf-definition-regexp
(save-excursion (beginning-of-defun) (point))
t)
(match-string-no-properties 1))))
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;;;###autoload
Derive from prog-mode, use derived-mode-p, and fix up various minor style issues in lisp/progmodes. * lisp/progmodes/vhdl-mode.el (vhdl-write-file-hooks-init) (vhdl-hs-minor-mode, vhdl-ps-print-init): Fix make-local-variable -> make-local-hook. * lisp/progmodes/sh-script.el (sh-require-final-newline): Remove. (sh-set-shell): Don't set require-final-newline since it's already done by prog-mode. * lisp/progmodes/modula2.el (m2-mode): Don't make m2-end-comment-column since we never set it. * lisp/progmodes/ebrowse.el (ebrowse-set-tree-indentation): Use read-string and standard prompt. * lisp/progmodes/dcl-mode.el (dcl-mode-map): Move init into declaration. * lisp/progmodes/meta-mode.el (meta-mode-abbrev-table): Merge init and decl. (meta-common-mode-syntax-table): Rename from meta-mode-syntax-table. (meta-common-mode-map): Rename from meta-mode-map. Remove C-m binding, which is a user preference, not mode specific. (meta-common-mode): New major mode; replace meta-common-initialization. * lisp/progmodes/js.el (js-mode): Call syntax-propertize rather than messing around with font-lock. * lisp/progmodes/etags.el (select-tags-table-mode): Derive from special-mode. * lisp/progmodes/octave-mod.el (octave-mode): * lisp/progmodes/gdb-mi.el (gdb-inferior-io-mode, gdb-threads-mode) (gdb-memory-mode, gdb-disassembly-mode, gdb-breakpoints-mode) (gdb-frames-mode, gdb-locals-mode, gdb-registers-mode): Let define-derived-mode do its job. * lisp/progmodes/cpp.el (cpp-edit-mode-map): Move initialization into declaration. (cpp-edit-mode): Use define-derived-mode. (cpp-edit-load): Use derived-mode-p. * lisp/progmodes/mixal-mode.el (mixal-mode): * lisp/progmodes/f90.el (f90-mode): * lisp/progmodes/cfengine.el (cfengine-mode): Don't bother setting require-final-newline since prog-mode does it already. * lisp/progmodes/cc-cmds.el (c-update-modeline): Use match-string. * lisp/progmodes/asm-mode.el (asm-mode-map): Fix menu setup. * lisp/progmodes/antlr-mode.el: Require cc-mode upfront. (antlr-mode-syntax-table, antlr-action-syntax-table): Initialize in the declaration. (antlr-directory-dependencies, antlr-show-makefile-rules): Use derived-mode-p. (antlr-language-option): Don't assume point-min==1. (antlr-mode): Use define-derived-mode. * lisp/progmodes/ada-mode.el: Use derived-mode-p. (ada-mode): Use define-derived-mode. Use hack-local-variables-hook. * lisp/progmodes/vhdl-mode.el (vhdl-mode): * lisp/progmodes/verilog-mode.el (verilog-mode): * lisp/progmodes/vera-mode.el (vera-mode): * lisp/progmodes/sql.el (sql-mode): * lisp/progmodes/scheme.el (scheme-mode): * lisp/progmodes/perl-mode.el (perl-mode): * lisp/progmodes/octave-inf.el (inferior-octave-mode): * lisp/progmodes/autoconf.el (autoconf-mode): * lisp/progmodes/m4-mode.el (m4-mode): * lisp/progmodes/inf-lisp.el (inferior-lisp-mode): * lisp/progmodes/idlwave.el (idlwave-mode): * lisp/progmodes/icon.el (icon-mode): * lisp/progmodes/idlw-help.el (idlwave-help-mode): * lisp/progmodes/dcl-mode.el (dcl-mode): * lisp/progmodes/idlw-shell.el (idlwave-shell-mode): * lisp/progmodes/ebrowse.el (ebrowse-tree-mode, ebrowse-electric-list-mode) (ebrowse-member-mode, ebrowse-electric-position-mode): Use define-derived-mode. * lisp/progmodes/xscheme.el (xscheme-start) (local-set-scheme-interaction-buffer, scheme-interaction-mode): * lisp/progmodes/which-func.el (which-function): * lisp/progmodes/vhdl-mode.el (vhdl-set-style): * lisp/progmodes/verilog-mode.el (verilog-set-compile-command) (verilog-modify-compile-command, verilog-error-regexp-add-xemacs) (verilog-set-define, verilog-auto-reeval-locals): * lisp/progmodes/sql.el (sql-product-font-lock, sql-interactive-mode): * lisp/progmodes/simula.el (simula-mode): * lisp/progmodes/scheme.el (scheme-mode-variables, dsssl-mode): * lisp/progmodes/python.el (python-check, python-mode): * lisp/progmodes/prolog.el (prolog-mode-variables): * lisp/progmodes/gud.el (gud-tooltip-activate-mouse-motions): * lisp/progmodes/ebrowse.el (ebrowse-view-file-other-frame): * lisp/progmodes/delphi.el (delphi-mode): * lisp/progmodes/cc-styles.el (c-setup-paragraph-variables): * lisp/progmodes/cc-mode.el (c-basic-common-init, c-common-init) (c-font-lock-init): Move make-local-variable to their setq. * lisp/progmodes/xscheme.el (exit-scheme-interaction-mode) (xscheme-enter-interaction-mode, xscheme-enter-debugger-mode) (xscheme-debugger-mode-p, xscheme-send-string-1): * lisp/progmodes/tcl.el (inferior-tcl-proc, tcl-current-word) (tcl-load-file, tcl-restart-with-file): * lisp/progmodes/ps-mode.el (ps-run-running): * lisp/progmodes/gdb-mi.el (gud-watch, gdb-mouse-set-clear-breakpoint): * lisp/progmodes/js.el (js--get-all-known-symbols): * lisp/progmodes/inf-lisp.el (inferior-lisp-proc): * lisp/progmodes/idlwave.el (idlwave-beginning-of-statement) (idlwave-template, idlwave-update-buffer-routine-info) (idlwave-update-current-buffer-info) (idlwave-get-routine-info-from-buffers, idlwave-choose) (idlwave-scan-class-info, idlwave-fix-keywords) (idlwave-list-buffer-load-path-shadows): * lisp/progmodes/idlw-toolbar.el (idlwave-toolbar, idlwave-toolbar-add) (idlwave-toolbar-remove): * lisp/progmodes/idlw-shell.el (idlwave-shell-save-and-action) (idlwave-shell-file-name, idlwave-shell-electric-debug-all-off) (idlwave-shell-menu-def): * lisp/progmodes/idlw-complete-structtag.el (idlwave-prepare-structure-tag-completion): * lisp/progmodes/gud.el (gud-set-buffer): * lisp/progmodes/f90.el (f90-backslash-not-special): * lisp/progmodes/delphi.el (delphi-find-unit): Use derived-mode-p.
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(define-derived-mode autoconf-mode prog-mode "Autoconf"
"Major mode for editing Autoconf configure.ac files."
(setq-local parens-require-spaces nil) ; for M4 arg lists
(setq-local defun-prompt-regexp "^[ \t]*A[CM]_\\(\\sw\\|\\s_\\)+")
(setq-local comment-start "dnl ")
;; We want to avoid matching "dnl" in other text.
(setq-local comment-start-skip "\\(?:\\(\\W\\|^\\)dnl\\|#\\) +")
(setq-local syntax-propertize-function
(syntax-propertize-rules ("\\<dnl\\>" (0 "<"))))
(setq-local font-lock-defaults
* lisp/progmodes/f90.el (f90-mode-syntax-table): Use symbol syntax for "_". Change all regexps to use things like \_< and \_>. * lisp/progmodes/ada-mode.el (ada-mode-abbrev-table): Consolidate declaration. (ada-mode-syntax-table, ada-mode-symbol-syntax-table): Initialize in the declaration. (ada-create-syntax-table): Remove. (ada-capitalize-word): Don't mess with the syntax of "_" since it already has the right syntax nowadays. (ada-goto-next-word): Don't change the syntax of "_". * lisp/progmodes/autoconf.el (autoconf-definition-regexp) (autoconf-font-lock-keywords, autoconf-current-defun-function): Handle a _ with symbol syntax. (autoconf-mode): Don't change the syntax-table for imenu and font-lock. * lisp/progmodes/vera-mode.el (vera-underscore-is-part-of-word): * lisp/progmodes/prolog.el (prolog-underscore-wordchar-flag) (prolog-char-quote-workaround): * lisp/progmodes/cperl-mode.el (cperl-under-as-char): * lisp/progmodes/vhdl-mode.el (vhdl-underscore-is-part-of-word): Mark as obsolete. (vhdl-mode-syntax-table, vhdl-mode-ext-syntax-table): Initialize in their declaration. (vhdl-mode-syntax-table-init): Remove. * lisp/progmodes/ld-script.el (ld-script-mode-syntax-table): Use symbol syntax for "_". (ld-script-font-lock-keywords): Change regexps to use things like \_< and \_>. * lisp/progmodes/m4-mode.el (m4-mode-syntax-table): Add comment on last change. * lisp/font-lock.el (lisp-font-lock-keywords-2): Don't highlight obsolete with-wrapper-hook. * lisp/mh-e/mh-comp.el (mh-regexp-in-field-p): Minor simplification.
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`(autoconf-font-lock-keywords nil nil))
(setq-local imenu-generic-expression autoconf-imenu-generic-expression)
(setq-local indent-line-function #'indent-relative)
(setq-local add-log-current-defun-function
#'autoconf-current-defun-function))
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(provide 'autoconf-mode)
(provide 'autoconf)
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;;; autoconf.el ends here