4164 lines
155 KiB
EmacsLisp
4164 lines
155 KiB
EmacsLisp
;; prolog.el --- major mode for editing and running Prolog (and Mercury) code
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;; Copyright (C) 1986, 1987, 1997, 1998, 1999, 2002, 2003 Free Software Foundation, Inc.
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;; Authors: Emil Åström <emil_astrom(at)hotmail(dot)com>
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;; Milan Zamazal <pdm(at)freesoft(dot)cz>
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;; Stefan Bruda <stefan(at)bruda(dot)ca> (current maintainer)
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;; * See below for more details
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;; Keywords: prolog major mode sicstus swi mercury yap
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(defvar prolog-mode-version "1.24"
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"Prolog mode version number")
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;; This program 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
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;; Original author: Masanobu UMEDA <umerin(at)mse(dot)kyutech(dot)ac(dot)jp>
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;; Parts of this file was taken from a modified version of the original
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;; by Johan Andersson, Peter Olin, Mats Carlsson, Johan Bevemyr, Stefan
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;; Andersson, and Per Danielsson (all SICS people), and Henrik Båkman
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;; at Uppsala University, Sweden.
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;;
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;; Some ideas and also a few lines of code have been borrowed (not stolen ;-)
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;; from Oz.el, the Emacs major mode for the Oz programming language,
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;; Copyright (C) 1993 DFKI GmbH, Germany, with permission.
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;; Authors: Ralf Scheidhauer and Michael Mehl ([scheidhr|mehl](at)dfki(dot)uni-sb(dot)de)
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;;
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;; More ideas and code have been taken from the SICStus debugger mode
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;; (http://www.csd.uu.se/~perm/source_debug/index.shtml -- broken link
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;; as of Mon May 5 08:23:48 EDT 2003) by Per Mildner.
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;;
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;; Additions for ECLiPSe and other helpful suggestions: Stephan Heuel
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;; <heuel(at)ipb(dot)uni-bonn(dot)de>
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;;; Commentary:
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;;
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;; This package provides a major mode for editing Prolog code, with
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;; all the bells and whistles one would expect, including syntax
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;; highlighting and auto indentation. It can also send regions to an
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;; inferior Prolog process.
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;;
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;; The code requires the comint, easymenu, info, imenu, and font-lock
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;; libraries. These are normally distributed with GNU Emacs and
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;; XEmacs.
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;;; Installation:
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;;
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;; Insert the following lines in your init file--typically ~/.emacs
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;; (GNU Emacs and XEmacs <21.4), or ~/.xemacs/init.el (XEmacs
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;; 21.4)--to use this mode when editing Prolog files under Emacs:
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;;
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;; (setq load-path (cons "/usr/lib/xemacs/site-lisp" load-path))
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;; (autoload 'run-prolog "prolog" "Start a Prolog sub-process." t)
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;; (autoload 'prolog-mode "prolog" "Major mode for editing Prolog programs." t)
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;; (autoload 'mercury-mode "prolog" "Major mode for editing Mercury programs." t)
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;; (setq prolog-system 'yap) ; optional, the system you are using;
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;; ; see `prolog-system' below for possible values
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;; (setq auto-mode-alist (append '(("\\.pl$" . prolog-mode)
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;; ("\\.yap$" . prolog-mode)
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;; ("\\.ypp$" . prolog-mode)
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;; ("\\.prolog$" . prolog-mode)
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;; ("\\.m$" . mercury-mode))
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;; auto-mode-alist))
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;;
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;; where the path in the first line is the file system path to this file.
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;; MSDOS paths can be written like "d:/programs/emacs-19.34/site-lisp".
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;; Note: In XEmacs, either `/usr/lib/xemacs/site-lisp' (RPM default in
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;; Red Hat-based distributions) or `/usr/local/lib/xemacs/site-lisp'
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;; (default when compiling from sources) are automatically added to
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;; `load-path', so the first line is not necessary provided that you
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;; put this file in the appropriate place.
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;;
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;; The last s-expression above makes sure that files ending with .pl
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;; are assumed to be Prolog files and not Perl, which is the default
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;; Emacs setting. If this is not wanted, remove this line. It is then
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;; necessary to either
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;;
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;; o insert in your Prolog files the following comment as the first line:
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;;
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;; % -*- Mode: Prolog -*-
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;;
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;; and then the file will be open in Prolog mode no matter its
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;; extension, or
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;;
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;; o manually switch to prolog mode after opening a Prolog file, by typing
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;; M-x prolog-mode.
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;;
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;; If the command to start the prolog process ('sicstus', 'pl' or
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;; 'swipl' for SWI prolog, etc.) is not available in the default path,
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;; then it is necessary to set the value of the environment variable
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;; EPROLOG to a shell command to invoke the prolog process. In XEmacs
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;; and Emacs 20+ you can also customize the variable
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;; `prolog-program-name' (in the group `prolog-inferior') and provide
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;; a full path for your Prolog system (swi, scitus, etc.).
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;;
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;; Note: I (Stefan, the current maintainer) work under XEmacs. Future
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;; developments will thus be biased towards XEmacs (OK, I admit it,
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;; I am biased towards XEmacs in general), though I will do my best
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;; to keep the GNU Emacs compatibility. So if you work under Emacs
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;; and see something that does not work do drop me a line, as I have
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;; a smaller chance to notice this kind of bugs otherwise.
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;; Changelog:
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;; Version 1.24:
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;; o GNU Prolog and YAP can now be chosen in the customization menu
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;; (previously only SWI and SICSTUS could be chosen). Patch by
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;; Jeronimo Pellegrini.
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;; Version 1.23:
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;; o Added support for XSB <http://xsb.sourceforge.net>; trivial
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;; adaptation of a patch by Spyros Hadjichristodoulou and Cosmin
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;; Munteanu
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;; Version 1.22:
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;; o Allowed both 'swipl' and 'pl' as names for the SWI Prolog
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;; interpreter.
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;; o Atoms that start a line are not blindly coloured as
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;; predicates. Instead we check that they are followed by ( or
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;; :- first. Patch suggested by Guy Wiener.
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;; Version 1.21:
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;; o Cleaned up the code that defines faces. The missing face
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;; warnings on some Emacsen should disappear.
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;; Version 1.20:
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;; o Improved the handling of clause start detection and multi-line
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;; comments: `prolog-clause-start' no longer finds non-predicate
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;; (e.g., capitalized strings) beginning of clauses.
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;; o `prolog-tokenize' recognizes when the end point is within a
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;; multi-line comment.
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;; Version 1.19:
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;; o Minimal changes for Aquamacs inclusion and in general for
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;; better coping with finding the Prolog executable. Patch
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;; provided by David Reitter
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;; Version 1.18:
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;; o Fixed syntax highlighting for clause heads that do not begin at
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;; the beginning of the line.
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;; o Fixed compilation warnings under Emacs.
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;; o Updated the email address of the current maintainer.
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;; Version 1.17:
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;; o Minor indentation fix (patch by Markus Triska)
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;; o `prolog-underscore-wordchar-flag' defaults now to nil (more
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;; consistent to other Emacs modes)
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;; Version 1.16:
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;; o Eliminated a possible compilation warning.
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;; Version 1.15:
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;; o Introduced three new customizable variables: electric colon
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;; (`prolog-electric-colon-flag', default nil), electric dash
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;; (`prolog-electric-dash-flag', default nil), and a possibility
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;; to prevent the predicate template insertion from adding commata
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;; (`prolog-electric-dot-full-predicate-template', defaults to t
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;; since it seems quicker to me to just type those commata). A
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;; trivial adaptation of a patch by Markus Triska.
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;; o Improved the behaviour of electric if-then-else to only skip
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;; forward if the parenthesis/semicolon is preceded by
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;; whitespace. Once more a trivial adaptation of a patch by
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;; Markus Triska.
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;; Version 1.14:
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;; o Cleaned up align code. `prolog-align-flag' is eliminated (since
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;; on a second thought it does not do anything useful). Added key
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;; binding (C-c C-a) and menu entry for alignment.
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;; o Condensed regular expressions for lower and upper case
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;; characters (GNU Emacs seems to go over the regexp length limit
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;; with the original form). My code on the matter was improved
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;; considerably by Markus Triska.
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;; o Fixed `prolog-insert-spaces-after-paren' (which used an
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;; unitialized variable).
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;; o Minor changes to clean up the code and avoid some implicit
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;; package requirements.
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;; Version 1.13:
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;; o Removed the use of `map-char-table' in `prolog-build-case-strings'
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;; which appears to cause prblems in (at least) Emacs 23.0.0.1.
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;; o Added if-then-else indentation + corresponding electric
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;; characters. New customization: `prolog-electric-if-then-else-flag'
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;; o Align support (requires `align'). New customization:
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;; `prolog-align-flag'.
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;; o Temporary consult files have now the same name throughout the
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;; session. This prevents issues with reconsulting a buffer
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;; (this event is no longer passed to Prolog as a request to
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;; consult a new file).
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;; o Adaptive fill mode is now turned on. Comment indentation is
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;; still worse than it could be though, I am working on it.
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;; o Improved filling and auto-filling capabilities. Now block
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;; comments should be [auto-]filled correctly most of the time;
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;; the following pattern in particular is worth noting as being
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;; filled correctly:
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;; <some code here> % some comment here that goes beyond the
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;; % rightmost column, possibly combined with
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;; % subsequent comment lines
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;; o `prolog-char-quote-workaround' now defaults to nil.
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;; o Note: Many of the above improvements have been suggested by
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;; Markus Triska, who also provided useful patches on the matter
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;; when he realized that I was slow in responding. Many thanks.
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;; Version 1.11 / 1.12
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;; o GNU Emacs compatibility fix for paragraph filling (fixed
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;; incorrectly in 1.11, fix fixed in 1.12).
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;; Version 1.10
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;; o Added paragraph filling in comment blocks and also correct auto
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;; filling for comments.
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;; o Fixed the possible "Regular expression too big" error in
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;; `prolog-electric-dot'.
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;; Version 1.9
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;; o Parenthesis expressions are now indented by default so that
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;; components go one underneath the other, just as for compound
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;; terms. You can use the old style (the second and subsequent
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;; lines being indented to the right in a parenthesis expression)
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;; by setting the customizable variable `prolog-paren-indent-p'
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;; (group "Prolog Indentation") to t.
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;; o (Somehow awkward) handling of the 0' character escape
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;; sequence. I am looking into a better way of doing it but
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;; prospects look bleak. If this breaks things for you please let
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;; me know and also set the `prolog-char-quote-workaround' (group
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;; "Prolog Other") to nil.
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;; Version 1.8
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;; o Key binding fix.
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;; Version 1.7
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;; o Fixed a number of issues with the syntax of single quotes,
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;; including Debian bug #324520.
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;; Version 1.6
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;; o Fixed mercury mode menu initialization (Debian bug #226121).
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;; o Fixed (i.e., eliminated) Delete remapping (Debian bug #229636).
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;; o Corrected indentation for clauses defining quoted atoms.
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;; Version 1.5:
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;; o Keywords fontifying should work in console mode so this is
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;; enabled everywhere.
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;; Version 1.4:
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;; o Now supports GNU Prolog--minor adaptation of a patch by Stefan
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;; Moeding.
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;; Version 1.3:
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;; o Info-follow-nearest-node now called correctly under Emacs too
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;; (thanks to Nicolas Pelletier). Should be implemented more
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;; elegantly (i.e., without compilation warnings) in the future.
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;; Version 1.2:
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;; o Another prompt fix, still in SWI mode (people seem to have
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;; changed the prompt of SWI Prolog).
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;; Version 1.1:
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;; o Fixed dots in the end of line comments causing indentation
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;; problems. The following code is now correctly indented (note
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;; the dot terminating the comment):
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;; a(X) :- b(X),
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;; c(X). % comment here.
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;; a(X).
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;; and so is this (and variants):
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;; a(X) :- b(X),
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;; c(X). /* comment here. */
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;; a(X).
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;; Version 1.0:
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;; o Revamped the menu system.
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;; o Yet another prompt recognition fix (SWI mode).
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;; o This is more of a renumbering than a new edition. I promoted
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;; the mode to version 1.0 to emphasize the fact that it is now
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;; mature and stable enough to be considered production (in my
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;; opinion anyway).
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;; Version 0.1.41:
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;; o GNU Emacs compatibility fixes.
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;; Version 0.1.40:
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;; o prolog-get-predspec is now suitable to be called as
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;; imenu-extract-index-name-function. The predicate index works.
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;; o Since imenu works now as advertised, prolog-imenu-flag is t
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;; by default.
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;; o Eliminated prolog-create-predicate-index since the imenu
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;; utilities now work well. Actually, this function is also
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;; buggy, and I see no reason to fix it since we do not need it
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;; anyway.
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;; o Fixed prolog-pred-start, prolog-clause-start, prolog-clause-info.
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;; o Fix for prolog-build-case-strings; now prolog-upper-case-string
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;; and prolog-lower-case-string are correctly initialized,
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;; o Various font-lock changes; most importantly, block comments (/*
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;; ... */) are now correctly fontified in XEmacs even when they
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;; extend on multiple lines.
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;; Version 0.1.36:
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;; o The debug prompt of SWI Prolog is now correctly recognized.
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;; Version 0.1.35:
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;; o Minor font-lock bug fixes.
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;;; Code:
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(eval-when-compile
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(require 'compile)
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(require 'font-lock)
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;; We need imenu everywhere because of the predicate index!
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(require 'imenu)
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;)
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(require 'info)
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(require 'shell)
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)
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(require 'comint)
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(require 'easymenu)
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(require 'align)
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(defgroup prolog nil
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"Major modes for editing and running Prolog and Mercury files."
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:group 'languages)
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(defgroup prolog-faces nil
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"Prolog mode specific faces."
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:group 'font-lock)
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(defgroup prolog-indentation nil
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"Prolog mode indentation configuration."
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:group 'prolog)
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(defgroup prolog-font-lock nil
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"Prolog mode font locking patterns."
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:group 'prolog)
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(defgroup prolog-keyboard nil
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"Prolog mode keyboard flags."
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:group 'prolog)
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(defgroup prolog-inferior nil
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"Inferior Prolog mode options."
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:group 'prolog)
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(defgroup prolog-other nil
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"Other Prolog mode options."
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:group 'prolog)
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;;-------------------------------------------------------------------
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;; User configurable variables
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;;-------------------------------------------------------------------
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;; General configuration
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(defcustom prolog-system nil
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"*Prolog interpreter/compiler used.
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The value of this variable is nil or a symbol.
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If it is a symbol, it determines default values of other configuration
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variables with respect to properties of the specified Prolog
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interpreter/compiler.
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Currently recognized symbol values are:
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eclipse - Eclipse Prolog
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mercury - Mercury
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sicstus - SICStus Prolog
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swi - SWI Prolog
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xsb - XSB <http://xsb.sourceforge.net>
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gnu - GNU Prolog
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yap - YAP Prolog"
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:group 'prolog
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:type '(choice (const :tag "SICStus" :value sicstus)
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(const :tag "SWI Prolog" :value swi)
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(const :tag "GNU Prolog" :value gnu)
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(const :tag "YAP" :value yap)
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(const :tag "Default" :value nil)))
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(make-variable-buffer-local 'prolog-system)
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;; NB: This alist can not be processed in prolog-mode-variables to
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;; create a prolog-system-version-i variable since it is needed
|
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;; prior to the call to prolog-mode-variables.
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(defcustom prolog-system-version
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'((sicstus (3 . 6))
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(swi (0 . 0))
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(mercury (0 . 0))
|
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(eclipse (3 . 7))
|
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(yap (6 . 3))
|
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(gnu (0 . 0)))
|
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"*Alist of Prolog system versions.
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The version numbers are of the format (Major . Minor)."
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:group 'prolog)
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;; Indentation
|
||
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(defcustom prolog-indent-width tab-width
|
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"*The indentation width used by the editing buffer."
|
||
:group 'prolog-indentation
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:type 'integer)
|
||
|
||
(defcustom prolog-align-comments-flag t
|
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"*Non-nil means automatically align comments when indenting."
|
||
:group 'prolog-indentation
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:type 'boolean)
|
||
|
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(defcustom prolog-indent-mline-comments-flag t
|
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"*Non-nil means indent contents of /* */ comments.
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Otherwise leave such lines as they are."
|
||
:group 'prolog-indentation
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-object-end-to-0-flag t
|
||
"*Non-nil means indent closing '}' in SICStus object definitions to level 0.
|
||
Otherwise indent to `prolog-indent-width'."
|
||
:group 'prolog-indentation
|
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:type 'boolean)
|
||
|
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(defcustom prolog-left-indent-regexp "\\(;\\|\\*?->\\)"
|
||
"*Regexp for character sequences after which next line is indented.
|
||
Next line after such a regexp is indented to the opening paranthesis level."
|
||
:group 'prolog-indentation
|
||
:type 'regexp)
|
||
|
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(defcustom prolog-paren-indent-p nil
|
||
"*If non-nil, increase indentation for parenthesis expressions.
|
||
The second and subsequent line in a parenthesis expression other than
|
||
a compound term can either be indented `prolog-paren-indent' to the
|
||
right (if this variable is non-nil) or in the same way as for compound
|
||
terms (if this variable is nil, default)."
|
||
:group 'prolog-indentation
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-paren-indent 4
|
||
"*The indentation increase for parenthesis expressions.
|
||
Only used in ( If -> Then ; Else) and ( Disj1 ; Disj2 ) style expressions."
|
||
:group 'prolog-indentation
|
||
:type 'integer)
|
||
|
||
(defcustom prolog-parse-mode 'beg-of-clause
|
||
"*The parse mode used (decides from which point parsing is done).
|
||
Legal values:
|
||
'beg-of-line - starts parsing at the beginning of a line, unless the
|
||
previous line ends with a backslash. Fast, but has
|
||
problems detecting multiline /* */ comments.
|
||
'beg-of-clause - starts parsing at the beginning of the current clause.
|
||
Slow, but copes better with /* */ comments."
|
||
:group 'prolog-indentation
|
||
:type '(choice (const :value beg-of-line)
|
||
(const :value beg-of-clause)))
|
||
|
||
;; Font locking
|
||
|
||
(defcustom prolog-keywords
|
||
'((eclipse
|
||
("use_module" "begin_module" "module_interface" "dynamic"
|
||
"external" "export" "dbgcomp" "nodbgcomp" "compile"))
|
||
(mercury
|
||
("all" "else" "end_module" "equality" "external" "fail" "func" "if"
|
||
"implementation" "import_module" "include_module" "inst" "instance"
|
||
"interface" "mode" "module" "not" "pragma" "pred" "some" "then" "true"
|
||
"type" "typeclass" "use_module" "where"))
|
||
(sicstus
|
||
("block" "dynamic" "mode" "module" "multifile" "meta_predicate"
|
||
"parallel" "public" "sequential" "volatile"))
|
||
(swi
|
||
("discontiguous" "dynamic" "ensure_loaded" "export" "export_list" "import"
|
||
"meta_predicate" "module" "module_transparent" "multifile" "require"
|
||
"use_module" "volatile"))
|
||
(yap
|
||
("block" "char_conversion" "discontiguous" "dynamic" "encoding"
|
||
"ensure_loaded" "export" "expects_dialect" "meta_predicate" "module"
|
||
"module_transparent" "multifile" "reexport"
|
||
"table" "thread_local" "use_module" "wait"))
|
||
(gnu
|
||
("built_in" "char_conversion" "discontiguous" "dynamic" "ensure_linked"
|
||
"ensure_loaded" "foreign" "include" "initialization" "multifile" "op"
|
||
"public" "set_prolog_flag"))
|
||
(xsb
|
||
("dynamic" "import" "export" "from" "table" "auto_table" "ti" "multifile"
|
||
"true" "fail"))
|
||
(t
|
||
("dynamic" "module")))
|
||
"*Alist of Prolog keywords which is used for font locking of directives."
|
||
:group 'prolog-font-lock
|
||
:type 'sexp)
|
||
|
||
(defcustom prolog-types
|
||
'((mercury
|
||
("char" "float" "int" "io__state" "string" "univ"))
|
||
(t nil))
|
||
"*Alist of Prolog types used by font locking."
|
||
:group 'prolog-font-lock
|
||
:type 'sexp)
|
||
|
||
(defcustom prolog-mode-specificators
|
||
'((mercury
|
||
("bound" "di" "free" "ground" "in" "mdi" "mui" "muo" "out" "ui" "uo"))
|
||
(t nil))
|
||
"*Alist of Prolog mode specificators used by font locking."
|
||
:group 'prolog-font-lock
|
||
:type 'sexp)
|
||
|
||
(defcustom prolog-determinism-specificators
|
||
'((mercury
|
||
("cc_multi" "cc_nondet" "det" "erroneous" "failure" "multi" "nondet"
|
||
"semidet"))
|
||
(t nil))
|
||
"*Alist of Prolog determinism specificators used by font locking."
|
||
:group 'prolog-font-lock
|
||
:type 'sexp)
|
||
|
||
(defcustom prolog-directives
|
||
'((mercury
|
||
("^#[0-9]+"))
|
||
(t nil))
|
||
"*Alist of Prolog source code directives used by font locking."
|
||
:group 'prolog-font-lock
|
||
:type 'sexp)
|
||
|
||
|
||
;; Keyboard
|
||
|
||
(defcustom prolog-electric-newline-flag t
|
||
"*Non-nil means automatically indent the next line when the user types RET."
|
||
:group 'prolog-keyboard
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-hungry-delete-key-flag nil
|
||
"*Non-nil means delete key consumes all preceding spaces."
|
||
:group 'prolog-keyboard
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-electric-dot-flag nil
|
||
"*Non-nil means make dot key electric.
|
||
Electric dot appends newline or inserts head of a new clause.
|
||
If dot is pressed at the end of a line where at least one white space
|
||
precedes the point, it inserts a recursive call to the current predicate.
|
||
If dot is pressed at the beginning of an empty line, it inserts the head
|
||
of a new clause for the current predicate. It does not apply in strings
|
||
and comments.
|
||
It does not apply in strings and comments."
|
||
:group 'prolog-keyboard
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-electric-dot-full-predicate-template nil
|
||
"*If nil, electric dot inserts only the current predicate's name and `('
|
||
for recursive calls or new clause heads. Non-nil means to also
|
||
insert enough commata to cover the predicate's arity and `)',
|
||
and dot and newline for recursive calls."
|
||
:group 'prolog-keyboard
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-electric-underscore-flag nil
|
||
"*Non-nil means make underscore key electric.
|
||
Electric underscore replaces the current variable with underscore.
|
||
If underscore is pressed not on a variable then it behaves as usual."
|
||
:group 'prolog-keyboard
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-electric-tab-flag nil
|
||
"*Non-nil means make TAB key electric.
|
||
Electric TAB inserts spaces after parentheses, ->, and ;
|
||
in ( If -> Then ; Else) and ( Disj1 ; Disj2 ) style expressions."
|
||
:group 'prolog-keyboard
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-electric-if-then-else-flag nil
|
||
"*Non-nil makes `(', `>' and `;' electric
|
||
to automatically indent if-then-else constructs."
|
||
:group 'prolog-keyboard
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-electric-colon-flag nil
|
||
"*Makes `:' electric (inserts `:-' on a new line).
|
||
If non-nil, pressing `:' at the end of a line that starts in
|
||
the first column (i.e., clause heads) inserts ` :-' and newline."
|
||
:group 'prolog-keyboard
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-electric-dash-flag nil
|
||
"*Makes `-' electric (inserts a `-->' on a new line).
|
||
If non-nil, pressing `-' at the end of a line that starts in
|
||
the first column (i.e., DCG heads) inserts ` -->' and newline."
|
||
:group 'prolog-keyboard
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-old-sicstus-keys-flag nil
|
||
"*Non-nil means old SICStus Prolog mode keybindings are used."
|
||
:group 'prolog-keyboard
|
||
:type 'boolean)
|
||
|
||
;; Inferior mode
|
||
|
||
(defcustom prolog-program-name
|
||
`(((getenv "EPROLOG") (eval (getenv "EPROLOG")))
|
||
(eclipse "eclipse")
|
||
(mercury nil)
|
||
(sicstus "sicstus")
|
||
(swi ,(if (not (executable-find "swipl")) "pl" "swipl"))
|
||
(gnu "gprolog")
|
||
(yap "yap")
|
||
(xsb "xsb")
|
||
(t ,(let ((names '("prolog" "gprolog" "swipl" "pl")))
|
||
(while (and names
|
||
(not (executable-find (car names))))
|
||
(setq names (cdr names)))
|
||
(or (car names) "prolog"))))
|
||
"*Alist of program names for invoking an inferior Prolog with `run-prolog'."
|
||
:group 'prolog-inferior
|
||
:type 'sexp)
|
||
|
||
(defcustom prolog-program-switches
|
||
'((sicstus ("-i"))
|
||
(t nil))
|
||
"*Alist of switches given to inferior Prolog run with `run-prolog'."
|
||
:group 'prolog-inferior
|
||
:type 'sexp)
|
||
|
||
(defcustom prolog-consult-string
|
||
'((eclipse "[%f].")
|
||
(mercury nil)
|
||
(sicstus (eval (if (prolog-atleast-version '(3 . 7))
|
||
"prolog:zap_file(%m,%b,consult,%l)."
|
||
"prolog:zap_file(%m,%b,consult).")))
|
||
(swi "[%f].")
|
||
(gnu "[%f].")
|
||
(xsb "[%f].")
|
||
(t "reconsult(%f)."))
|
||
"*Alist of strings defining predicate for reconsulting.
|
||
|
||
Some parts of the string are replaced:
|
||
`%f' by the name of the consulted file (can be a temporary file)
|
||
`%b' by the file name of the buffer to consult
|
||
`%m' by the module name and name of the consulted file separated by colon
|
||
`%l' by the line offset into the file. This is 0 unless consulting a
|
||
region of a buffer, in which case it is the number of lines before
|
||
the region."
|
||
:group 'prolog-inferior
|
||
:type 'sexp)
|
||
|
||
(defcustom prolog-compile-string
|
||
'((eclipse "[%f].")
|
||
(mercury "mmake ")
|
||
(sicstus (eval (if (prolog-atleast-version '(3 . 7))
|
||
"prolog:zap_file(%m,%b,compile,%l)."
|
||
"prolog:zap_file(%m,%b,compile).")))
|
||
(swi "[%f].")
|
||
(t "compile(%f)."))
|
||
"*Alist of strings and lists defining predicate for recompilation.
|
||
|
||
Some parts of the string are replaced:
|
||
`%f' by the name of the compiled file (can be a temporary file)
|
||
`%b' by the file name of the buffer to compile
|
||
`%m' by the module name and name of the compiled file separated by colon
|
||
`%l' by the line offset into the file. This is 0 unless compiling a
|
||
region of a buffer, in which case it is the number of lines before
|
||
the region.
|
||
|
||
If `prolog-program-name' is non-nil, it is a string sent to a Prolog process.
|
||
If `prolog-program-name' is nil, it is an argument to the `compile' function."
|
||
:group 'prolog-inferior
|
||
:type 'sexp)
|
||
|
||
(defcustom prolog-eof-string "end_of_file.\n"
|
||
"*Alist of strings that represent end of file for prolog.
|
||
nil means send actual operating system end of file."
|
||
:group 'prolog-inferior
|
||
:type 'sexp)
|
||
|
||
(defcustom prolog-prompt-regexp
|
||
'((eclipse "^[a-zA-Z0-9()]* *\\?- \\|^\\[[a-zA-Z]* [0-9]*\\]:")
|
||
(sicstus "| [ ?][- ] *")
|
||
(swi "^\\(\\[[a-zA-Z]*\\] \\)?[1-9]?[0-9]*[ ]?\\?- \\|^| +")
|
||
(yap "| [ ?][- ] *")
|
||
(t "^ *\\?-"))
|
||
"*Alist of prompts of the prolog system command line."
|
||
:group 'prolog-inferior
|
||
:type 'sexp)
|
||
|
||
(defcustom prolog-continued-prompt-regexp
|
||
'((sicstus "^\\(| +\\| +\\)")
|
||
(yap` "^\\(| +\\| +\\)")
|
||
(t "^|: +"))
|
||
"*Alist of regexps matching the prompt when consulting `user'."
|
||
:group 'prolog-inferior
|
||
:type 'sexp)
|
||
|
||
(defcustom prolog-debug-on-string "debug.\n"
|
||
"*Predicate for enabling debug mode."
|
||
:group 'prolog-inferior
|
||
:type 'string)
|
||
|
||
(defcustom prolog-debug-off-string "nodebug.\n"
|
||
"*Predicate for disabling debug mode."
|
||
:group 'prolog-inferior
|
||
:type 'string)
|
||
|
||
(defcustom prolog-trace-on-string "trace.\n"
|
||
"*Predicate for enabling tracing."
|
||
:group 'prolog-inferior
|
||
:type 'string)
|
||
|
||
(defcustom prolog-trace-off-string "notrace.\n"
|
||
"*Predicate for disabling tracing."
|
||
:group 'prolog-inferior
|
||
:type 'string)
|
||
|
||
(defcustom prolog-zip-on-string "zip.\n"
|
||
"*Predicate for enabling zip mode for SICStus."
|
||
:group 'prolog-inferior
|
||
:type 'string)
|
||
|
||
(defcustom prolog-zip-off-string "nozip.\n"
|
||
"*Predicate for disabling zip mode for SICStus."
|
||
:group 'prolog-inferior
|
||
:type 'string)
|
||
|
||
(defcustom prolog-use-standard-consult-compile-method-flag t
|
||
"*Non-nil means use the standard compilation method.
|
||
Otherwise the new compilation method will be used. This
|
||
utilises a special compilation buffer with the associated
|
||
features such as parsing of error messages and automatically
|
||
jumping to the source code responsible for the error.
|
||
|
||
Warning: the new method is so far only experimental and
|
||
does contain bugs. The recommended setting for the novice user
|
||
is non-nil for this variable."
|
||
:group 'prolog-inferior
|
||
:type 'boolean)
|
||
|
||
|
||
;; Miscellaneous
|
||
|
||
(defcustom prolog-use-prolog-tokenizer-flag t
|
||
"*Non-nil means use the internal prolog tokenizer for indentation etc.
|
||
Otherwise use `parse-partial-sexp' which is faster but sometimes incorrect."
|
||
:group 'prolog-other
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-imenu-flag t
|
||
"*Non-nil means add a clause index menu for all prolog files."
|
||
:group 'prolog-other
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-imenu-max-lines 3000
|
||
"*The maximum number of lines of the file for imenu to be enabled.
|
||
Relevant only when `prolog-imenu-flag' is non-nil."
|
||
:group 'prolog-other
|
||
:type 'integer)
|
||
|
||
(defcustom prolog-info-predicate-index
|
||
"(sicstus)Predicate Index"
|
||
"*The info node for the SICStus predicate index."
|
||
:group 'prolog-other
|
||
:type 'string)
|
||
|
||
(defcustom prolog-underscore-wordchar-flag nil
|
||
"*Non-nil means underscore (_) is a word-constituent character."
|
||
:group 'prolog-other
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-use-sicstus-sd nil
|
||
"*If non-nil, use the source level debugger of SICStus 3#7 and later."
|
||
:group 'prolog-other
|
||
:type 'boolean)
|
||
|
||
(defcustom prolog-char-quote-workaround nil
|
||
"*If non-nil, declare 0 as a quote character so that 0'<char> does not break syntax highlighting.
|
||
This is really kludgy but I have not found any better way of handling it."
|
||
:group 'prolog-other
|
||
:type 'boolean)
|
||
|
||
|
||
;;-------------------------------------------------------------------
|
||
;; Internal variables
|
||
;;-------------------------------------------------------------------
|
||
|
||
(defvar prolog-emacs
|
||
(if (string-match "XEmacs\\|Lucid" emacs-version)
|
||
'xemacs
|
||
'gnuemacs)
|
||
"The variant of Emacs we're running.
|
||
Valid values are 'gnuemacs and 'xemacs.")
|
||
|
||
(defvar prolog-known-systems '(eclipse mercury sicstus swi gnu xsb yap))
|
||
|
||
;(defvar prolog-temp-filename "") ; Later set by `prolog-temporary-file'
|
||
|
||
(defvar prolog-mode-syntax-table nil)
|
||
(defvar prolog-mode-abbrev-table nil)
|
||
(defvar prolog-mode-map nil)
|
||
(defvar prolog-upper-case-string ""
|
||
"A string containing all upper case characters.
|
||
Set by prolog-build-case-strings.")
|
||
(defvar prolog-lower-case-string ""
|
||
"A string containing all lower case characters.
|
||
Set by prolog-build-case-strings.")
|
||
|
||
(defvar prolog-atom-char-regexp ""
|
||
"Set by prolog-set-atom-regexps.")
|
||
;; "Regexp specifying characters which constitute atoms without quoting.")
|
||
(defvar prolog-atom-regexp ""
|
||
"Set by prolog-set-atom-regexps.")
|
||
|
||
(defconst prolog-left-paren "[[({]"
|
||
"The characters used as left parentheses for the indentation code.")
|
||
(defconst prolog-right-paren "[])}]"
|
||
"The characters used as right parentheses for the indentation code.")
|
||
|
||
(defconst prolog-quoted-atom-regexp
|
||
"\\(^\\|[^0-9]\\)\\('\\([^\n']\\|\\\\'\\)*'\\)"
|
||
"Regexp matching a quoted atom.")
|
||
(defconst prolog-string-regexp
|
||
"\\(\"\\([^\n\"]\\|\\\\\"\\)*\"\\)"
|
||
"Regexp matching a string.")
|
||
(defconst prolog-head-delimiter "\\(:-\\|\\+:\\|-:\\|\\+\\?\\|-\\?\\|-->\\)"
|
||
"A regexp for matching on the end delimiter of a head (e.g. \":-\").")
|
||
|
||
(defvar prolog-compilation-buffer "*prolog-compilation*"
|
||
"Name of the output buffer for Prolog compilation/consulting.")
|
||
|
||
(defvar prolog-temporary-file-name nil)
|
||
(defvar prolog-keywords-i nil)
|
||
(defvar prolog-types-i nil)
|
||
(defvar prolog-mode-specificators-i nil)
|
||
(defvar prolog-determinism-specificators-i nil)
|
||
(defvar prolog-directives-i nil)
|
||
(defvar prolog-program-name-i nil)
|
||
(defvar prolog-program-switches-i nil)
|
||
(defvar prolog-consult-string-i nil)
|
||
(defvar prolog-compile-string-i nil)
|
||
(defvar prolog-eof-string-i nil)
|
||
(defvar prolog-prompt-regexp-i nil)
|
||
(defvar prolog-continued-prompt-regexp-i nil)
|
||
(defvar prolog-help-function-i nil)
|
||
|
||
(defvar prolog-align-rules
|
||
(eval-when-compile
|
||
(mapcar
|
||
(lambda (x)
|
||
(let ((name (car x))
|
||
(sym (cdr x)))
|
||
`(,(intern (format "prolog-%s" name))
|
||
(regexp . ,(format "\\(\\s-*\\)%s\\(\\s-*\\)" sym))
|
||
(tab-stop . nil)
|
||
(modes . '(prolog-mode))
|
||
(group . (1 2)))))
|
||
'(("dcg" . "-->") ("rule" . ":-") ("simplification" . "<=>")
|
||
("propagation" . "==>")))))
|
||
|
||
|
||
|
||
;;-------------------------------------------------------------------
|
||
;; Prolog mode
|
||
;;-------------------------------------------------------------------
|
||
|
||
;; Example: (prolog-atleast-version '(3 . 6))
|
||
(defun prolog-atleast-version (version)
|
||
"Return t if the version of the current prolog system is VERSION or later.
|
||
VERSION is of the format (Major . Minor)"
|
||
;; Version.major < major or
|
||
;; Version.major = major and Version.minor <= minor
|
||
(let* ((thisversion (prolog-find-value-by-system prolog-system-version))
|
||
(thismajor (car thisversion))
|
||
(thisminor (cdr thisversion)))
|
||
(or (< (car version) thismajor)
|
||
(and (= (car version) thismajor)
|
||
(<= (cdr version) thisminor)))
|
||
))
|
||
|
||
(if prolog-mode-syntax-table
|
||
()
|
||
(let ((table (make-syntax-table)))
|
||
(if prolog-underscore-wordchar-flag
|
||
(modify-syntax-entry ?_ "w" table)
|
||
(modify-syntax-entry ?_ "_" table))
|
||
|
||
(modify-syntax-entry ?+ "." table)
|
||
(modify-syntax-entry ?- "." table)
|
||
(modify-syntax-entry ?= "." table)
|
||
(modify-syntax-entry ?< "." table)
|
||
(modify-syntax-entry ?> "." table)
|
||
(modify-syntax-entry ?| "." table)
|
||
(modify-syntax-entry ?\' "\"" table)
|
||
|
||
;; Any better way to handle the 0'<char> construct?!?
|
||
(when prolog-char-quote-workaround
|
||
(modify-syntax-entry ?0 "\\" table))
|
||
|
||
(modify-syntax-entry ?% "<" table)
|
||
(modify-syntax-entry ?\n ">" table)
|
||
(if (eq prolog-emacs 'xemacs)
|
||
(progn
|
||
(modify-syntax-entry ?* ". 67" table)
|
||
(modify-syntax-entry ?/ ". 58" table)
|
||
)
|
||
;; Emacs wants to see this it seems:
|
||
(modify-syntax-entry ?* ". 23b" table)
|
||
(modify-syntax-entry ?/ ". 14" table)
|
||
)
|
||
(setq prolog-mode-syntax-table table)))
|
||
|
||
(define-abbrev-table 'prolog-mode-abbrev-table ())
|
||
|
||
(defun prolog-find-value-by-system (alist)
|
||
"Get value from ALIST according to `prolog-system'."
|
||
(if (listp alist)
|
||
(let (result
|
||
id)
|
||
(while alist
|
||
(setq id (car (car alist)))
|
||
(if (or (eq id prolog-system)
|
||
(eq id t)
|
||
(and (listp id)
|
||
(eval id)))
|
||
(progn
|
||
(setq result (car (cdr (car alist))))
|
||
(if (and (listp result)
|
||
(eq (car result) 'eval))
|
||
(setq result (eval (car (cdr result)))))
|
||
(setq alist nil))
|
||
(setq alist (cdr alist))))
|
||
result)
|
||
alist))
|
||
|
||
(defun prolog-mode-variables ()
|
||
"Set some common variables to Prolog code specific values."
|
||
(setq local-abbrev-table prolog-mode-abbrev-table)
|
||
(make-local-variable 'paragraph-start)
|
||
(setq paragraph-start (concat "[ \t]*$\\|" page-delimiter)) ;'%%..'
|
||
(make-local-variable 'paragraph-separate)
|
||
(setq paragraph-separate paragraph-start)
|
||
(make-local-variable 'paragraph-ignore-fill-prefix)
|
||
(setq paragraph-ignore-fill-prefix t)
|
||
(make-local-variable 'adaptive-fill-mode)
|
||
(setq adaptive-fill-mode t)
|
||
(make-local-variable 'normal-auto-fill-function)
|
||
(setq normal-auto-fill-function 'prolog-do-auto-fill)
|
||
(make-local-variable 'indent-line-function)
|
||
(setq indent-line-function 'prolog-indent-line)
|
||
(make-local-variable 'comment-start)
|
||
(setq comment-start "%")
|
||
(make-local-variable 'comment-end)
|
||
(setq comment-end "")
|
||
(make-local-variable 'comment-start-skip)
|
||
;; This complex regexp makes sure that comments cannot start
|
||
;; inside quoted atoms or strings
|
||
(setq comment-start-skip
|
||
(format "^\\(\\(%s\\|%s\\|[^\n\'\"%%]\\)*\\)\\(/\\*+ *\\|%%+ *\\)"
|
||
prolog-quoted-atom-regexp prolog-string-regexp))
|
||
(make-local-variable 'comment-column)
|
||
(make-local-variable 'comment-indent-function)
|
||
(setq comment-indent-function 'prolog-comment-indent)
|
||
(make-local-variable 'comment-indent-function)
|
||
(setq comment-indent-function 'prolog-comment-indent)
|
||
(make-local-variable 'parens-require-spaces)
|
||
(setq parens-require-spaces nil)
|
||
;; Initialize Prolog system specific variables
|
||
(let ((vars '(prolog-keywords prolog-types prolog-mode-specificators
|
||
prolog-determinism-specificators prolog-directives
|
||
prolog-program-name prolog-program-switches
|
||
prolog-consult-string prolog-compile-string prolog-eof-string
|
||
prolog-prompt-regexp prolog-continued-prompt-regexp
|
||
prolog-help-function)))
|
||
(while vars
|
||
(set (intern (concat (symbol-name (car vars)) "-i"))
|
||
(prolog-find-value-by-system (eval (car vars))))
|
||
(setq vars (cdr vars))))
|
||
(when (null prolog-program-name-i)
|
||
(make-local-variable 'compile-command)
|
||
(setq compile-command prolog-compile-string-i))
|
||
(make-local-variable 'font-lock-defaults)
|
||
(setq font-lock-defaults
|
||
'(prolog-font-lock-keywords nil nil ((?_ . "w"))))
|
||
)
|
||
|
||
(defun prolog-mode-keybindings-common (map)
|
||
"Define keybindings common to both Prolog modes in MAP."
|
||
(define-key map "\C-c?" 'prolog-help-on-predicate)
|
||
(define-key map "\C-c/" 'prolog-help-apropos)
|
||
(define-key map "\C-c\C-d" 'prolog-debug-on)
|
||
(define-key map "\C-c\C-t" 'prolog-trace-on)
|
||
(if (and (eq prolog-system 'sicstus)
|
||
(prolog-atleast-version '(3 . 7)))
|
||
(define-key map "\C-c\C-z" 'prolog-zip-on))
|
||
(define-key map "\C-c\r" 'run-prolog))
|
||
|
||
(defun prolog-mode-keybindings-edit (map)
|
||
"Define keybindings for Prolog mode in MAP."
|
||
(define-key map "\M-a" 'prolog-beginning-of-clause)
|
||
(define-key map "\M-e" 'prolog-end-of-clause)
|
||
(define-key map "\M-q" 'prolog-fill-paragraph)
|
||
(define-key map "\C-c\C-a" 'align)
|
||
(define-key map "\C-\M-a" 'prolog-beginning-of-predicate)
|
||
(define-key map "\C-\M-e" 'prolog-end-of-predicate)
|
||
(define-key map "\M-\C-c" 'prolog-mark-clause)
|
||
(define-key map "\M-\C-h" 'prolog-mark-predicate)
|
||
(define-key map "\M-\C-n" 'prolog-forward-list)
|
||
(define-key map "\M-\C-p" 'prolog-backward-list)
|
||
(define-key map "\C-c\C-n" 'prolog-insert-predicate-template)
|
||
(define-key map "\C-c\C-s" 'prolog-insert-predspec)
|
||
(define-key map "\M-\r" 'prolog-insert-next-clause)
|
||
(define-key map "\C-c\C-va" 'prolog-variables-to-anonymous)
|
||
(define-key map "\C-c\C-v\C-s" 'prolog-view-predspec)
|
||
|
||
(define-key map [Backspace] 'prolog-electric-delete)
|
||
(define-key map "." 'prolog-electric-dot)
|
||
(define-key map "_" 'prolog-electric-underscore)
|
||
(define-key map "(" 'prolog-electric-if-then-else)
|
||
(define-key map ";" 'prolog-electric-if-then-else)
|
||
(define-key map ">" 'prolog-electric-if-then-else)
|
||
(define-key map ":" 'prolog-electric-colon)
|
||
(define-key map "-" 'prolog-electric-dash)
|
||
(if prolog-electric-newline-flag
|
||
(define-key map "\r" 'newline-and-indent))
|
||
|
||
;; If we're running SICStus, then map C-c C-c e/d to enabling
|
||
;; and disabling of the source-level debugging facilities.
|
||
;(if (and (eq prolog-system 'sicstus)
|
||
; (prolog-atleast-version '(3 . 7)))
|
||
; (progn
|
||
; (define-key map "\C-c\C-ce" 'prolog-enable-sicstus-sd)
|
||
; (define-key map "\C-c\C-cd" 'prolog-disable-sicstus-sd)
|
||
; ))
|
||
|
||
(if prolog-old-sicstus-keys-flag
|
||
(progn
|
||
(define-key map "\C-c\C-c" 'prolog-consult-predicate)
|
||
(define-key map "\C-cc" 'prolog-consult-region)
|
||
(define-key map "\C-cC" 'prolog-consult-buffer)
|
||
(define-key map "\C-c\C-k" 'prolog-compile-predicate)
|
||
(define-key map "\C-ck" 'prolog-compile-region)
|
||
(define-key map "\C-cK" 'prolog-compile-buffer))
|
||
(define-key map "\C-c\C-p" 'prolog-consult-predicate)
|
||
(define-key map "\C-c\C-r" 'prolog-consult-region)
|
||
(define-key map "\C-c\C-b" 'prolog-consult-buffer)
|
||
(define-key map "\C-c\C-f" 'prolog-consult-file)
|
||
(define-key map "\C-c\C-cp" 'prolog-compile-predicate)
|
||
(define-key map "\C-c\C-cr" 'prolog-compile-region)
|
||
(define-key map "\C-c\C-cb" 'prolog-compile-buffer)
|
||
(define-key map "\C-c\C-cf" 'prolog-compile-file)))
|
||
|
||
(defun prolog-mode-keybindings-inferior (map)
|
||
"Define keybindings for inferior Prolog mode in MAP."
|
||
;; No inferior mode specific keybindings now.
|
||
)
|
||
|
||
(if prolog-mode-map
|
||
()
|
||
(setq prolog-mode-map (make-sparse-keymap))
|
||
(prolog-mode-keybindings-common prolog-mode-map)
|
||
(prolog-mode-keybindings-edit prolog-mode-map)
|
||
;; System dependent keymaps for system dependent menus
|
||
(let ((systems prolog-known-systems))
|
||
(while systems
|
||
(set (intern (concat "prolog-mode-map-"
|
||
(symbol-name (car systems))))
|
||
;(cons 'keymap prolog-mode-map)
|
||
prolog-mode-map
|
||
)
|
||
(setq systems (cdr systems))))
|
||
)
|
||
|
||
|
||
(defvar prolog-mode-hook nil
|
||
"List of functions to call after the prolog mode has initialised.")
|
||
|
||
;;;###autoload
|
||
(defun prolog-mode (&optional system)
|
||
"Major mode for editing Prolog code.
|
||
|
||
Blank lines and `%%...' separate paragraphs. `%'s starts a comment
|
||
line and comments can also be enclosed in /* ... */.
|
||
|
||
If an optional argument SYSTEM is non-nil, set up mode for the given system.
|
||
|
||
To find out what version of Prolog mode you are running, enter
|
||
`\\[prolog-mode-version]'.
|
||
|
||
Commands:
|
||
\\{prolog-mode-map}
|
||
Entry to this mode calls the value of `prolog-mode-hook'
|
||
if that value is non-nil."
|
||
(interactive)
|
||
(kill-all-local-variables)
|
||
(if system (setq prolog-system system))
|
||
(use-local-map
|
||
(if prolog-system
|
||
;; ### Looks like it works under XEmacs as well...
|
||
;; (and prolog-system
|
||
;; (not (eq prolog-emacs 'xemacs)))
|
||
(eval (intern (concat "prolog-mode-map-" (symbol-name prolog-system))))
|
||
prolog-mode-map)
|
||
)
|
||
(setq major-mode 'prolog-mode)
|
||
(setq mode-name (concat "Prolog"
|
||
(cond
|
||
((eq prolog-system 'eclipse) "[ECLiPSe]")
|
||
((eq prolog-system 'mercury) "[Mercury]")
|
||
((eq prolog-system 'sicstus) "[SICStus]")
|
||
((eq prolog-system 'swi) "[SWI]")
|
||
((eq prolog-system 'gnu) "[GNU]")
|
||
((eq prolog-system 'xsb) "[XSB]")
|
||
((eq prolog-system 'yap) "[YAP]")
|
||
(t ""))))
|
||
(set-syntax-table prolog-mode-syntax-table)
|
||
(prolog-mode-variables)
|
||
(prolog-build-case-strings)
|
||
(prolog-set-atom-regexps)
|
||
(dolist (ar prolog-align-rules) (add-to-list 'align-rules-list ar))
|
||
|
||
;; imenu entry moved to the appropriate hook for consistency
|
||
|
||
;; Load SICStus debugger if suitable
|
||
(if (and (eq prolog-system 'sicstus)
|
||
(prolog-atleast-version '(3 . 7))
|
||
prolog-use-sicstus-sd)
|
||
(prolog-enable-sicstus-sd))
|
||
|
||
(run-mode-hooks 'prolog-mode-hook))
|
||
|
||
;;;###autoload
|
||
(defun mercury-mode ()
|
||
"Major mode for editing Mercury programs.
|
||
Actually this is just customized `prolog-mode'."
|
||
(interactive)
|
||
(prolog-mode 'mercury))
|
||
|
||
;;;###autoload
|
||
(defun xsb-mode ()
|
||
"Major mode for editing XSB programs.
|
||
Actually this is just customized `prolog-mode'."
|
||
(interactive)
|
||
(prolog-mode 'xsb))
|
||
|
||
|
||
;;-------------------------------------------------------------------
|
||
;; Inferior prolog mode
|
||
;;-------------------------------------------------------------------
|
||
|
||
(defvar prolog-inferior-mode-map nil)
|
||
(defvar prolog-inferior-mode-hook nil
|
||
"List of functions to call after the inferior prolog mode has initialised.")
|
||
|
||
(defun prolog-inferior-mode ()
|
||
"Major mode for interacting with an inferior Prolog process.
|
||
|
||
The following commands are available:
|
||
\\{prolog-inferior-mode-map}
|
||
|
||
Entry to this mode calls the value of `prolog-mode-hook' with no arguments,
|
||
if that value is non-nil. Likewise with the value of `comint-mode-hook'.
|
||
`prolog-mode-hook' is called after `comint-mode-hook'.
|
||
|
||
You can send text to the inferior Prolog from other buffers
|
||
using the commands `send-region', `send-string' and \\[prolog-consult-region].
|
||
|
||
Commands:
|
||
Tab indents for Prolog; with argument, shifts rest
|
||
of expression rigidly with the current line.
|
||
Paragraphs are separated only by blank lines and '%%'. '%'s start comments.
|
||
|
||
Return at end of buffer sends line as input.
|
||
Return not at end copies rest of line to end and sends it.
|
||
\\[comint-delchar-or-maybe-eof] sends end-of-file as input.
|
||
\\[comint-kill-input] and \\[backward-kill-word] are kill commands,
|
||
imitating normal Unix input editing.
|
||
\\[comint-interrupt-subjob] interrupts the shell or its current subjob if any.
|
||
\\[comint-stop-subjob] stops, likewise.
|
||
\\[comint-quit-subjob] sends quit signal, likewise.
|
||
|
||
To find out what version of Prolog mode you are running, enter
|
||
`\\[prolog-mode-version]'."
|
||
(interactive)
|
||
(cond ((not (eq major-mode 'prolog-inferior-mode))
|
||
(kill-all-local-variables)
|
||
(comint-mode)
|
||
(setq comint-input-filter 'prolog-input-filter)
|
||
(setq major-mode 'prolog-inferior-mode)
|
||
(setq mode-name "Inferior Prolog")
|
||
(setq mode-line-process '(": %s"))
|
||
(prolog-mode-variables)
|
||
(if prolog-inferior-mode-map
|
||
()
|
||
(setq prolog-inferior-mode-map (copy-keymap comint-mode-map))
|
||
(prolog-mode-keybindings-common prolog-inferior-mode-map)
|
||
(prolog-mode-keybindings-inferior prolog-inferior-mode-map))
|
||
(use-local-map prolog-inferior-mode-map)
|
||
(setq comint-prompt-regexp prolog-prompt-regexp-i)
|
||
;(make-variable-buffer-local 'shell-dirstack-query)
|
||
(make-local-variable 'shell-dirstack-query)
|
||
(setq shell-dirstack-query "pwd.")
|
||
(run-hooks 'prolog-inferior-mode-hook))))
|
||
|
||
(defun prolog-input-filter (str)
|
||
(cond ((string-match "\\`\\s *\\'" str) nil) ;whitespace
|
||
((not (eq major-mode 'prolog-inferior-mode)) t)
|
||
((= (length str) 1) nil) ;one character
|
||
((string-match "\\`[rf] *[0-9]*\\'" str) nil) ;r(edo) or f(ail)
|
||
(t t)))
|
||
|
||
;;;###autoload
|
||
(defun run-prolog (arg)
|
||
"Run an inferior Prolog process, input and output via buffer *prolog*.
|
||
With prefix argument ARG, restart the Prolog process if running before."
|
||
(interactive "P")
|
||
(if (and arg (get-process "prolog"))
|
||
(progn
|
||
(process-send-string "prolog" "halt.\n")
|
||
(while (get-process "prolog") (sit-for 0.1))))
|
||
(let ((buff (buffer-name)))
|
||
(if (not (string= buff "*prolog*"))
|
||
(prolog-goto-prolog-process-buffer))
|
||
;; Load SICStus debugger if suitable
|
||
(if (and (eq prolog-system 'sicstus)
|
||
(prolog-atleast-version '(3 . 7))
|
||
prolog-use-sicstus-sd)
|
||
(prolog-enable-sicstus-sd))
|
||
(prolog-mode-variables)
|
||
(prolog-ensure-process)
|
||
))
|
||
|
||
(defun prolog-ensure-process (&optional wait)
|
||
"If Prolog process is not running, run it.
|
||
If the optional argument WAIT is non-nil, wait for Prolog prompt specified by
|
||
the variable `prolog-prompt-regexp'."
|
||
(if (null prolog-program-name-i)
|
||
(error "This Prolog system has defined no interpreter."))
|
||
(if (comint-check-proc "*prolog*")
|
||
()
|
||
(apply 'make-comint "prolog" prolog-program-name-i nil
|
||
prolog-program-switches-i)
|
||
(save-excursion
|
||
(set-buffer "*prolog*")
|
||
(prolog-inferior-mode)
|
||
(if wait
|
||
(progn
|
||
(goto-char (point-max))
|
||
(while
|
||
(save-excursion
|
||
(not
|
||
(re-search-backward
|
||
(concat "\\(" prolog-prompt-regexp-i "\\)" "\\=")
|
||
nil t)))
|
||
(sit-for 0.1)))))))
|
||
|
||
(defun prolog-process-insert-string (process string)
|
||
"Insert STRING into inferior Prolog buffer running PROCESS."
|
||
;; Copied from elisp manual, greek to me
|
||
(let ((buf (current-buffer)))
|
||
(unwind-protect
|
||
(let (moving)
|
||
(set-buffer (process-buffer process))
|
||
(setq moving (= (point) (process-mark process)))
|
||
(save-excursion
|
||
;; Insert the text, moving the process-marker.
|
||
(goto-char (process-mark process))
|
||
(insert string)
|
||
(set-marker (process-mark process) (point)))
|
||
(if moving (goto-char (process-mark process))))
|
||
(set-buffer buf))))
|
||
|
||
|
||
;;------------------------------------------------------------
|
||
;; Old consulting and compiling functions
|
||
;;------------------------------------------------------------
|
||
|
||
(defun prolog-old-process-region (compilep start end)
|
||
"Process the region limited by START and END positions.
|
||
If COMPILEP is non-nil then use compilation, otherwise consulting."
|
||
(prolog-ensure-process)
|
||
;(let ((tmpfile prolog-temp-filename)
|
||
(let ((tmpfile (prolog-bsts (prolog-temporary-file)))
|
||
;(process (get-process "prolog"))
|
||
(first-line (1+ (count-lines
|
||
(point-min)
|
||
(save-excursion
|
||
(goto-char start)
|
||
(point))))))
|
||
(write-region start end tmpfile)
|
||
(process-send-string
|
||
"prolog" (prolog-build-prolog-command
|
||
compilep tmpfile (prolog-bsts buffer-file-name)
|
||
first-line))
|
||
(prolog-goto-prolog-process-buffer)))
|
||
|
||
(defun prolog-old-process-predicate (compilep)
|
||
"Process the predicate around point.
|
||
If COMPILEP is non-nil then use compilation, otherwise consulting."
|
||
(prolog-old-process-region
|
||
compilep (prolog-pred-start) (prolog-pred-end)))
|
||
|
||
(defun prolog-old-process-buffer (compilep)
|
||
"Process the entire buffer.
|
||
If COMPILEP is non-nil then use compilation, otherwise consulting."
|
||
(prolog-old-process-region compilep (point-min) (point-max)))
|
||
|
||
(defun prolog-old-process-file (compilep)
|
||
"Process the file of the current buffer.
|
||
If COMPILEP is non-nil then use compilation, otherwise consulting."
|
||
(save-some-buffers)
|
||
(prolog-ensure-process)
|
||
(let ((filename (prolog-bsts buffer-file-name)))
|
||
(process-send-string
|
||
"prolog" (prolog-build-prolog-command
|
||
compilep filename filename))
|
||
(prolog-goto-prolog-process-buffer)))
|
||
|
||
|
||
;;------------------------------------------------------------
|
||
;; Consulting and compiling
|
||
;;------------------------------------------------------------
|
||
|
||
;;; Interactive interface functions, used by both the standard
|
||
;;; and the experimental consultation and compilation functions
|
||
(defun prolog-consult-file ()
|
||
"Consult file of current buffer."
|
||
(interactive)
|
||
(if prolog-use-standard-consult-compile-method-flag
|
||
(prolog-old-process-file nil)
|
||
(prolog-consult-compile-file nil)))
|
||
|
||
(defun prolog-consult-buffer ()
|
||
"Consult buffer."
|
||
(interactive)
|
||
(if prolog-use-standard-consult-compile-method-flag
|
||
(prolog-old-process-buffer nil)
|
||
(prolog-consult-compile-buffer nil)))
|
||
|
||
(defun prolog-consult-region (beg end)
|
||
"Consult region between BEG and END."
|
||
(interactive "r")
|
||
(if prolog-use-standard-consult-compile-method-flag
|
||
(prolog-old-process-region nil beg end)
|
||
(prolog-consult-compile-region nil beg end)))
|
||
|
||
(defun prolog-consult-predicate ()
|
||
"Consult the predicate around current point."
|
||
(interactive)
|
||
(if prolog-use-standard-consult-compile-method-flag
|
||
(prolog-old-process-predicate nil)
|
||
(prolog-consult-compile-predicate nil)))
|
||
|
||
(defun prolog-compile-file ()
|
||
"Compile file of current buffer."
|
||
(interactive)
|
||
(if prolog-use-standard-consult-compile-method-flag
|
||
(prolog-old-process-file t)
|
||
(prolog-consult-compile-file t)))
|
||
|
||
(defun prolog-compile-buffer ()
|
||
"Compile buffer."
|
||
(interactive)
|
||
(if prolog-use-standard-consult-compile-method-flag
|
||
(prolog-old-process-buffer t)
|
||
(prolog-consult-compile-buffer t)))
|
||
|
||
(defun prolog-compile-region (beg end)
|
||
"Compile region between BEG and END."
|
||
(interactive "r")
|
||
(if prolog-use-standard-consult-compile-method-flag
|
||
(prolog-old-process-region t beg end)
|
||
(prolog-consult-compile-region t beg end)))
|
||
|
||
(defun prolog-compile-predicate ()
|
||
"Compile the predicate around current point."
|
||
(interactive)
|
||
(if prolog-use-standard-consult-compile-method-flag
|
||
(prolog-old-process-predicate t)
|
||
(prolog-consult-compile-predicate t)))
|
||
|
||
(defun prolog-buffer-module ()
|
||
"Select Prolog module name appropriate for current buffer.
|
||
Bases decision on buffer contents (-*- line)."
|
||
;; Look for -*- ... module: MODULENAME; ... -*-
|
||
(let (beg end)
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(skip-chars-forward " \t")
|
||
(and (search-forward "-*-" (save-excursion (end-of-line) (point)) t)
|
||
(progn
|
||
(skip-chars-forward " \t")
|
||
(setq beg (point))
|
||
(search-forward "-*-" (save-excursion (end-of-line) (point)) t))
|
||
(progn
|
||
(forward-char -3)
|
||
(skip-chars-backward " \t")
|
||
(setq end (point))
|
||
(goto-char beg)
|
||
(and (let ((case-fold-search t))
|
||
(search-forward "module:" end t))
|
||
(progn
|
||
(skip-chars-forward " \t")
|
||
(setq beg (point))
|
||
(if (search-forward ";" end t)
|
||
(forward-char -1)
|
||
(goto-char end))
|
||
(skip-chars-backward " \t")
|
||
(buffer-substring beg (point)))))))))
|
||
|
||
(defun prolog-build-prolog-command (compilep file buffername
|
||
&optional first-line)
|
||
"Make Prolog command for FILE compilation/consulting.
|
||
If COMPILEP is non-nil, consider compilation, otherwise consulting."
|
||
(let* ((compile-string
|
||
(if compilep prolog-compile-string-i prolog-consult-string-i))
|
||
(module (prolog-buffer-module))
|
||
(file-name (concat "'" file "'"))
|
||
(module-name (if module (concat "'" module "'")))
|
||
(module-file (if module
|
||
(concat module-name ":" file-name)
|
||
file-name))
|
||
strbeg strend
|
||
(lineoffset (if first-line
|
||
(- first-line 1)
|
||
0)))
|
||
|
||
;; Assure that there is a buffer name
|
||
(if (not buffername)
|
||
(error "The buffer is not saved"))
|
||
|
||
(if (not (string-match "^'.*'$" buffername)) ; Add quotes
|
||
(setq buffername (concat "'" buffername "'")))
|
||
(while (string-match "%m" compile-string)
|
||
(setq strbeg (substring compile-string 0 (match-beginning 0)))
|
||
(setq strend (substring compile-string (match-end 0)))
|
||
(setq compile-string (concat strbeg module-file strend)))
|
||
(while (string-match "%f" compile-string)
|
||
(setq strbeg (substring compile-string 0 (match-beginning 0)))
|
||
(setq strend (substring compile-string (match-end 0)))
|
||
(setq compile-string (concat strbeg file-name strend)))
|
||
(while (string-match "%b" compile-string)
|
||
(setq strbeg (substring compile-string 0 (match-beginning 0)))
|
||
(setq strend (substring compile-string (match-end 0)))
|
||
(setq compile-string (concat strbeg buffername strend)))
|
||
(while (string-match "%l" compile-string)
|
||
(setq strbeg (substring compile-string 0 (match-beginning 0)))
|
||
(setq strend (substring compile-string (match-end 0)))
|
||
(setq compile-string (concat strbeg (format "%d" lineoffset) strend)))
|
||
(concat compile-string "\n")))
|
||
|
||
;;; The rest of this page is experimental code!
|
||
|
||
;; Global variables for process filter function
|
||
(defvar prolog-process-flag nil
|
||
"Non-nil means that a prolog task (i.e. a consultation or compilation job)
|
||
is running.")
|
||
(defvar prolog-consult-compile-output ""
|
||
"Hold the unprocessed output from the current prolog task.")
|
||
(defvar prolog-consult-compile-first-line 1
|
||
"The number of the first line of the file to consult/compile.
|
||
Used for temporary files.")
|
||
(defvar prolog-consult-compile-file nil
|
||
"The file to compile/consult (can be a temporary file).")
|
||
(defvar prolog-consult-compile-real-file nil
|
||
"The file name of the buffer to compile/consult.")
|
||
|
||
(defun prolog-consult-compile (compilep file &optional first-line)
|
||
"Consult/compile FILE.
|
||
If COMPILEP is non-nil, perform compilation, otherwise perform CONSULTING.
|
||
COMMAND is a string described by the variables `prolog-consult-string'
|
||
and `prolog-compile-string'.
|
||
Optional argument FIRST-LINE is the number of the first line in the compiled
|
||
region.
|
||
|
||
This function must be called from the source code buffer."
|
||
(if prolog-process-flag
|
||
(error "Another Prolog task is running."))
|
||
(prolog-ensure-process t)
|
||
(let* ((buffer (get-buffer-create prolog-compilation-buffer))
|
||
(real-file buffer-file-name)
|
||
(command-string (prolog-build-prolog-command compilep file
|
||
real-file first-line))
|
||
(process (get-process "prolog"))
|
||
(old-filter (process-filter process)))
|
||
(save-excursion
|
||
(set-buffer buffer)
|
||
(delete-region (point-min) (point-max))
|
||
(compilation-mode)
|
||
;; Setting up font-locking for this buffer
|
||
(make-local-variable 'font-lock-defaults)
|
||
(setq font-lock-defaults
|
||
'(prolog-font-lock-keywords nil nil ((?_ . "w"))))
|
||
(if (eq prolog-system 'sicstus)
|
||
(progn
|
||
(make-local-variable 'compilation-parse-errors-function)
|
||
(setq compilation-parse-errors-function
|
||
'prolog-parse-sicstus-compilation-errors)))
|
||
(toggle-read-only 0)
|
||
(insert command-string "\n"))
|
||
(save-selected-window
|
||
(pop-to-buffer buffer))
|
||
(setq prolog-process-flag t
|
||
prolog-consult-compile-output ""
|
||
prolog-consult-compile-first-line (if first-line (1- first-line) 0)
|
||
prolog-consult-compile-file file
|
||
prolog-consult-compile-real-file (if (string=
|
||
file buffer-file-name)
|
||
nil
|
||
real-file))
|
||
(save-excursion
|
||
(set-buffer buffer)
|
||
(goto-char (point-max))
|
||
(set-process-filter process 'prolog-consult-compile-filter)
|
||
(process-send-string "prolog" command-string)
|
||
;; (prolog-build-prolog-command compilep file real-file first-line))
|
||
(while (and prolog-process-flag
|
||
(accept-process-output process 10)) ; 10 secs is ok?
|
||
(sit-for 0.1)
|
||
(unless (get-process "prolog")
|
||
(setq prolog-process-flag nil)))
|
||
(insert (if compilep
|
||
"\nCompilation finished.\n"
|
||
"\nConsulted.\n"))
|
||
(set-process-filter process old-filter))))
|
||
|
||
(defun prolog-parse-sicstus-compilation-errors (limit)
|
||
"Parse the prolog compilation buffer for errors.
|
||
Argument LIMIT is a buffer position limiting searching.
|
||
For use with the `compilation-parse-errors-function' variable."
|
||
(setq compilation-error-list nil)
|
||
(message "Parsing SICStus error messages...")
|
||
(let (filepath dir file errorline)
|
||
(while
|
||
(re-search-backward
|
||
"{\\([a-zA-Z ]* ERROR\\|Warning\\):.* in line[s ]*\\([0-9]+\\)"
|
||
limit t)
|
||
(setq errorline (string-to-number (match-string 2)))
|
||
(save-excursion
|
||
(re-search-backward
|
||
"{\\(consulting\\|compiling\\|processing\\) \\(.*\\)\\.\\.\\.}"
|
||
limit t)
|
||
(setq filepath (match-string 2)))
|
||
|
||
;; ###### Does this work with SICStus under Windows (i.e. backslahes and stuff?)
|
||
(if (string-match "\\(.*/\\)\\([^/]*\\)$" filepath)
|
||
(progn
|
||
(setq dir (match-string 1 filepath))
|
||
(setq file (match-string 2 filepath))))
|
||
|
||
(setq compilation-error-list
|
||
(cons
|
||
(cons (save-excursion
|
||
(beginning-of-line)
|
||
(point-marker))
|
||
(list (list file dir) errorline))
|
||
compilation-error-list)
|
||
))
|
||
))
|
||
|
||
(defun prolog-consult-compile-filter (process output)
|
||
"Filter function for Prolog compilation PROCESS.
|
||
Argument OUTPUT is a name of the output file."
|
||
;;(message "start")
|
||
(setq prolog-consult-compile-output
|
||
(concat prolog-consult-compile-output output))
|
||
;;(message "pccf1: %s" prolog-consult-compile-output)
|
||
;; Iterate through the lines of prolog-consult-compile-output
|
||
(let (outputtype)
|
||
(while (and prolog-process-flag
|
||
(or
|
||
;; Trace question
|
||
(progn
|
||
(setq outputtype 'trace)
|
||
(and (eq prolog-system 'sicstus)
|
||
(string-match
|
||
"^[ \t]*[0-9]+[ \t]*[0-9]+[ \t]*Call:.*? "
|
||
prolog-consult-compile-output)))
|
||
|
||
;; Match anything
|
||
(progn
|
||
(setq outputtype 'normal)
|
||
(string-match "^.*\n" prolog-consult-compile-output))
|
||
))
|
||
;;(message "outputtype: %s" outputtype)
|
||
|
||
(setq output (match-string 0 prolog-consult-compile-output))
|
||
;; remove the text in output from prolog-consult-compile-output
|
||
(setq prolog-consult-compile-output
|
||
(substring prolog-consult-compile-output (length output)))
|
||
;;(message "pccf2: %s" prolog-consult-compile-output)
|
||
|
||
;; If temporary files were used, then we change the error
|
||
;; messages to point to the original source file.
|
||
(cond
|
||
|
||
;; If the prolog process was in trace mode then it requires
|
||
;; user input
|
||
((and (eq prolog-system 'sicstus)
|
||
(eq outputtype 'trace))
|
||
(let (input)
|
||
(setq input (concat (read-string output) "\n"))
|
||
(process-send-string "prolog" input)
|
||
(setq output (concat output input))))
|
||
|
||
((eq prolog-system 'sicstus)
|
||
(if (and prolog-consult-compile-real-file
|
||
(string-match
|
||
"\\({.*:.* in line[s ]*\\)\\([0-9]+\\)-\\([0-9]+\\)" output))
|
||
(setq output (replace-match
|
||
;; Adds a {processing ...} line so that
|
||
;; `prolog-parse-sicstus-compilation-errors'
|
||
;; finds the real file instead of the temporary one.
|
||
;; Also fixes the line numbers.
|
||
(format "Added by Emacs: {processing %s...}\n%s%d-%d"
|
||
prolog-consult-compile-real-file
|
||
(match-string 1 output)
|
||
(+ prolog-consult-compile-first-line
|
||
(string-to-number
|
||
(match-string 2 output)))
|
||
(+ prolog-consult-compile-first-line
|
||
(string-to-number
|
||
(match-string 3 output))))
|
||
t t output)))
|
||
)
|
||
|
||
((eq prolog-system 'swi)
|
||
(if (and prolog-consult-compile-real-file
|
||
(string-match (format
|
||
"%s\\([ \t]*:[ \t]*\\)\\([0-9]+\\)"
|
||
prolog-consult-compile-file)
|
||
output))
|
||
(setq output (replace-match
|
||
;; Real filename + text + fixed linenum
|
||
(format "%s%s%d"
|
||
prolog-consult-compile-real-file
|
||
(match-string 1 output)
|
||
(+ prolog-consult-compile-first-line
|
||
(string-to-number
|
||
(match-string 2 output))))
|
||
t t output)))
|
||
)
|
||
|
||
(t ())
|
||
)
|
||
;; Write the output in the *prolog-compilation* buffer
|
||
(insert output)))
|
||
|
||
;; If the prompt is visible, then the task is finished
|
||
(if (string-match prolog-prompt-regexp-i prolog-consult-compile-output)
|
||
(setq prolog-process-flag nil)))
|
||
|
||
(defun prolog-consult-compile-file (compilep)
|
||
"Consult/compile file of current buffer.
|
||
If COMPILEP is non-nil, compile, otherwise consult."
|
||
(let ((file buffer-file-name))
|
||
(if file
|
||
(progn
|
||
(save-some-buffers)
|
||
(prolog-consult-compile compilep file))
|
||
(prolog-consult-compile-region compilep (point-min) (point-max)))))
|
||
|
||
(defun prolog-consult-compile-buffer (compilep)
|
||
"Consult/compile current buffer.
|
||
If COMPILEP is non-nil, compile, otherwise consult."
|
||
(prolog-consult-compile-region compilep (point-min) (point-max)))
|
||
|
||
(defun prolog-consult-compile-region (compilep beg end)
|
||
"Consult/compile region between BEG and END.
|
||
If COMPILEP is non-nil, compile, otherwise consult."
|
||
;(let ((file prolog-temp-filename)
|
||
(let ((file (prolog-bsts (prolog-temporary-file)))
|
||
(lines (count-lines 1 beg)))
|
||
(write-region beg end file nil 'no-message)
|
||
(write-region "\n" nil file t 'no-message)
|
||
(prolog-consult-compile compilep file
|
||
(if (looking-at "^") (1+ lines) lines))
|
||
(delete-file file)))
|
||
|
||
(defun prolog-consult-compile-predicate (compilep)
|
||
"Consult/compile the predicate around current point.
|
||
If COMPILEP is non-nil, compile, otherwise consult."
|
||
(prolog-consult-compile-region
|
||
compilep (prolog-pred-start) (prolog-pred-end)))
|
||
|
||
|
||
;;-------------------------------------------------------------------
|
||
;; Font-lock stuff
|
||
;;-------------------------------------------------------------------
|
||
|
||
;; Auxilliary functions
|
||
(defun prolog-make-keywords-regexp (keywords &optional protect)
|
||
"Create regexp from the list of strings KEYWORDS.
|
||
If PROTECT is non-nil, surround the result regexp by word breaks."
|
||
(let ((regexp
|
||
(if (fboundp 'regexp-opt)
|
||
;; Emacs 20
|
||
;; Avoid compile warnings under earlier versions by using eval
|
||
(eval '(regexp-opt keywords))
|
||
;; Older Emacsen
|
||
(concat (mapconcat 'regexp-quote keywords "\\|")))
|
||
))
|
||
(if protect
|
||
(concat "\\<\\(" regexp "\\)\\>")
|
||
regexp)))
|
||
|
||
(defun prolog-font-lock-object-matcher (bound)
|
||
"Find SICStus objects method name for font lock.
|
||
Argument BOUND is a buffer position limiting searching."
|
||
(let (point
|
||
(case-fold-search nil))
|
||
(while (and (not point)
|
||
(re-search-forward "\\(::[ \t\n]*{\\|&\\)[ \t]*"
|
||
bound t))
|
||
(while (or (re-search-forward "\\=\n[ \t]*" bound t)
|
||
(re-search-forward "\\=%.*" bound t)
|
||
(and (re-search-forward "\\=/\\*" bound t)
|
||
(re-search-forward "\\*/[ \t]*" bound t))))
|
||
(setq point (re-search-forward
|
||
(format "\\=\\(%s\\)" prolog-atom-regexp)
|
||
bound t)))
|
||
point))
|
||
|
||
(defsubst prolog-face-name-p (facename)
|
||
;; Return t if FACENAME is the name of a face. This method is
|
||
;; necessary since facep in XEmacs only returns t for the actual
|
||
;; face objects (while it's only their names that are used just
|
||
;; about anywhere else) without providing a predicate that tests
|
||
;; face names. This function (including the above commentary) is
|
||
;; borrowed from cc-mode.
|
||
(memq facename (face-list)))
|
||
|
||
;; Set everything up
|
||
(defun prolog-font-lock-keywords ()
|
||
"Set up font lock keywords for the current Prolog system."
|
||
;(when window-system
|
||
(require 'font-lock)
|
||
|
||
;; Define Prolog faces
|
||
(defface prolog-redo-face
|
||
'((((class grayscale)) (:italic t))
|
||
(((class color)) (:foreground "darkorchid"))
|
||
(t (:italic t)))
|
||
"Prolog mode face for highlighting redo trace lines."
|
||
:group 'prolog-faces)
|
||
(defface prolog-exit-face
|
||
'((((class grayscale)) (:underline t))
|
||
(((class color) (background dark)) (:foreground "green"))
|
||
(((class color) (background light)) (:foreground "ForestGreen"))
|
||
(t (:underline t)))
|
||
"Prolog mode face for highlighting exit trace lines."
|
||
:group 'prolog-faces)
|
||
(defface prolog-exception-face
|
||
'((((class grayscale)) (:bold t :italic t :underline t))
|
||
(((class color)) (:bold t :foreground "black" :background "Khaki"))
|
||
(t (:bold t :italic t :underline t)))
|
||
"Prolog mode face for highlighting exception trace lines."
|
||
:group 'prolog-faces)
|
||
(defface prolog-warning-face
|
||
'((((class grayscale)) (:underline t))
|
||
(((class color) (background dark)) (:foreground "blue"))
|
||
(((class color) (background light)) (:foreground "MidnightBlue"))
|
||
(t (:underline t)))
|
||
"Face name to use for compiler warnings."
|
||
:group 'prolog-faces)
|
||
(defface prolog-builtin-face
|
||
'((((class color) (background light)) (:foreground "Purple"))
|
||
(((class color) (background dark)) (:foreground "Cyan"))
|
||
(((class grayscale) (background light)) (:foreground "LightGray" :bold t))
|
||
(((class grayscale) (background dark)) (:foreground "DimGray" :bold t))
|
||
(t (:bold t)))
|
||
"Face name to use for compiler warnings."
|
||
:group 'prolog-faces)
|
||
(defvar prolog-warning-face
|
||
(if (prolog-face-name-p 'font-lock-warning-face)
|
||
'font-lock-warning-face
|
||
'prolog-warning-face)
|
||
"Face name to use for built in predicates.")
|
||
(defvar prolog-builtin-face
|
||
(if (prolog-face-name-p 'font-lock-builtin-face)
|
||
'font-lock-builtin-face
|
||
'prolog-builtin-face)
|
||
"Face name to use for built in predicates.")
|
||
(defvar prolog-redo-face 'prolog-redo-face
|
||
"Face name to use for redo trace lines.")
|
||
(defvar prolog-exit-face 'prolog-exit-face
|
||
"Face name to use for exit trace lines.")
|
||
(defvar prolog-exception-face 'prolog-exception-face
|
||
"Face name to use for exception trace lines.")
|
||
|
||
;; Font Lock Patterns
|
||
(let (
|
||
;; "Native" Prolog patterns
|
||
(head-predicates
|
||
(list (format "^\\(%s\\)\\((\\|[ \t]*:-\\)" prolog-atom-regexp)
|
||
1 font-lock-function-name-face))
|
||
;(list (format "^%s" prolog-atom-regexp)
|
||
; 0 font-lock-function-name-face))
|
||
(head-predicates-1
|
||
(list (format "\\.[ \t]*\\(%s\\)" prolog-atom-regexp)
|
||
1 font-lock-function-name-face) )
|
||
(variables
|
||
'("\\<\\([_A-Z][a-zA-Z0-9_]*\\)"
|
||
1 font-lock-variable-name-face))
|
||
(important-elements
|
||
(list (if (eq prolog-system 'mercury)
|
||
"[][}{;|]\\|\\\\[+=]\\|<?=>?"
|
||
"[][}{!;|]\\|\\*->")
|
||
0 'font-lock-keyword-face))
|
||
(important-elements-1
|
||
'("[^-*]\\(->\\)" 1 font-lock-keyword-face))
|
||
(predspecs ; module:predicate/cardinality
|
||
(list (format "\\<\\(%s:\\|\\)%s/[0-9]+"
|
||
prolog-atom-regexp prolog-atom-regexp)
|
||
0 font-lock-function-name-face 'prepend))
|
||
(keywords ; directives (queries)
|
||
(list
|
||
(if (eq prolog-system 'mercury)
|
||
(concat
|
||
"\\<\\("
|
||
(prolog-make-keywords-regexp prolog-keywords-i)
|
||
"\\|"
|
||
(prolog-make-keywords-regexp
|
||
prolog-determinism-specificators-i)
|
||
"\\)\\>")
|
||
(concat
|
||
"^[?:]- *\\("
|
||
(prolog-make-keywords-regexp prolog-keywords-i)
|
||
"\\)\\>"))
|
||
1 prolog-builtin-face))
|
||
(quoted_atom (list prolog-quoted-atom-regexp
|
||
2 'font-lock-string-face 'append))
|
||
(string (list prolog-string-regexp
|
||
1 'font-lock-string-face 'append))
|
||
;; SICStus specific patterns
|
||
(sicstus-object-methods
|
||
(if (eq prolog-system 'sicstus)
|
||
'(prolog-font-lock-object-matcher
|
||
1 font-lock-function-name-face)))
|
||
;; Mercury specific patterns
|
||
(types
|
||
(if (eq prolog-system 'mercury)
|
||
(list
|
||
(prolog-make-keywords-regexp prolog-types-i t)
|
||
0 'font-lock-type-face)))
|
||
(modes
|
||
(if (eq prolog-system 'mercury)
|
||
(list
|
||
(prolog-make-keywords-regexp prolog-mode-specificators-i t)
|
||
0 'font-lock-reference-face)))
|
||
(directives
|
||
(if (eq prolog-system 'mercury)
|
||
(list
|
||
(prolog-make-keywords-regexp prolog-directives-i t)
|
||
0 'prolog-warning-face)))
|
||
;; Inferior mode specific patterns
|
||
(prompt
|
||
(list prolog-prompt-regexp-i 0 'font-lock-keyword-face))
|
||
(trace-exit
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
'("[ \t]*[0-9]+[ \t]+[0-9]+[ \t]*\\(Exit\\):"
|
||
1 prolog-exit-face))
|
||
((eq prolog-system 'swi)
|
||
'("[ \t]*\\(Exit\\):[ \t]*([ \t0-9]*)" 1 prolog-exit-face))
|
||
(t nil)))
|
||
(trace-fail
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
'("[ \t]*[0-9]+[ \t]+[0-9]+[ \t]*\\(Fail\\):"
|
||
1 prolog-warning-face))
|
||
((eq prolog-system 'swi)
|
||
'("[ \t]*\\(Fail\\):[ \t]*([ \t0-9]*)" 1 prolog-warning-face))
|
||
(t nil)))
|
||
(trace-redo
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
'("[ \t]*[0-9]+[ \t]+[0-9]+[ \t]*\\(Redo\\):"
|
||
1 prolog-redo-face))
|
||
((eq prolog-system 'swi)
|
||
'("[ \t]*\\(Redo\\):[ \t]*([ \t0-9]*)" 1 prolog-redo-face))
|
||
(t nil)))
|
||
(trace-call
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
'("[ \t]*[0-9]+[ \t]+[0-9]+[ \t]*\\(Call\\):"
|
||
1 font-lock-function-name-face))
|
||
((eq prolog-system 'swi)
|
||
'("[ \t]*\\(Call\\):[ \t]*([ \t0-9]*)"
|
||
1 font-lock-function-name-face))
|
||
(t nil)))
|
||
(trace-exception
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
'("[ \t]*[0-9]+[ \t]+[0-9]+[ \t]*\\(Exception\\):"
|
||
1 prolog-exception-face))
|
||
((eq prolog-system 'swi)
|
||
'("[ \t]*\\(Exception\\):[ \t]*([ \t0-9]*)"
|
||
1 prolog-exception-face))
|
||
(t nil)))
|
||
(error-message-identifier
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
'("{\\([A-Z]* ?ERROR:\\)" 1 prolog-exception-face prepend))
|
||
((eq prolog-system 'swi)
|
||
'("^[[]\\(WARNING:\\)" 1 prolog-builtin-face prepend))
|
||
(t nil)))
|
||
(error-whole-messages
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
'("{\\([A-Z]* ?ERROR:.*\\)}[ \t]*$"
|
||
1 font-lock-comment-face append))
|
||
((eq prolog-system 'swi)
|
||
'("^[[]WARNING:[^]]*[]]$" 0 font-lock-comment-face append))
|
||
(t nil)))
|
||
(error-warning-messages
|
||
;; Mostly errors that SICStus asks the user about how to solve,
|
||
;; such as "NAME CLASH:" for example.
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
'("^[A-Z ]*[A-Z]+:" 0 prolog-warning-face))
|
||
(t nil)))
|
||
(warning-messages
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
'("\\({ ?\\(Warning\\|WARNING\\) ?:.*}\\)[ \t]*$"
|
||
2 prolog-warning-face prepend))
|
||
(t nil))))
|
||
|
||
;; Make font lock list
|
||
(delq
|
||
nil
|
||
(cond
|
||
((eq major-mode 'prolog-mode)
|
||
(list
|
||
head-predicates
|
||
head-predicates-1
|
||
quoted_atom
|
||
string
|
||
variables
|
||
important-elements
|
||
important-elements-1
|
||
predspecs
|
||
keywords
|
||
sicstus-object-methods
|
||
types
|
||
modes
|
||
directives))
|
||
((eq major-mode 'prolog-inferior-mode)
|
||
(list
|
||
prompt
|
||
error-message-identifier
|
||
error-whole-messages
|
||
error-warning-messages
|
||
warning-messages
|
||
predspecs
|
||
trace-exit
|
||
trace-fail
|
||
trace-redo
|
||
trace-call
|
||
trace-exception))
|
||
((eq major-mode 'compilation-mode)
|
||
(list
|
||
error-message-identifier
|
||
error-whole-messages
|
||
error-warning-messages
|
||
warning-messages
|
||
predspecs))))
|
||
))
|
||
|
||
|
||
;;-------------------------------------------------------------------
|
||
;; Indentation stuff
|
||
;;-------------------------------------------------------------------
|
||
|
||
;; NB: This function *MUST* have this optional argument since XEmacs
|
||
;; assumes it. This does not mean we have to use it...
|
||
(defun prolog-indent-line (&optional whole-exp)
|
||
"Indent current line as Prolog code.
|
||
With argument, indent any additional lines of the same clause
|
||
rigidly along with this one (not yet)."
|
||
(interactive "p")
|
||
(let ((indent (prolog-indent-level))
|
||
(pos (- (point-max) (point))) beg)
|
||
(beginning-of-line)
|
||
(setq beg (point))
|
||
(skip-chars-forward " \t")
|
||
(if (zerop (- indent (current-column)))
|
||
nil
|
||
(delete-region beg (point))
|
||
(indent-to indent))
|
||
(if (> (- (point-max) pos) (point))
|
||
(goto-char (- (point-max) pos)))
|
||
|
||
;; Align comments
|
||
(if prolog-align-comments-flag
|
||
(save-excursion
|
||
(prolog-goto-comment-column t)))
|
||
|
||
;; Insert spaces if needed
|
||
(if (or prolog-electric-tab-flag prolog-electric-if-then-else-flag)
|
||
(prolog-insert-spaces-after-paren))
|
||
))
|
||
|
||
(defun prolog-comment-indent ()
|
||
"Compute prolog comment indentation."
|
||
(cond ((looking-at "%%%") (prolog-indentation-level-of-line))
|
||
((looking-at "%%") (prolog-indent-level))
|
||
(t
|
||
(save-excursion
|
||
(skip-chars-backward " \t")
|
||
;; Insert one space at least, except at left margin.
|
||
(max (+ (current-column) (if (bolp) 0 1))
|
||
comment-column)))
|
||
))
|
||
|
||
(defun prolog-indent-level ()
|
||
"Compute prolog indentation level."
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(let ((totbal (prolog-region-paren-balance
|
||
(prolog-clause-start t) (point)))
|
||
(oldpoint (point)))
|
||
(skip-chars-forward " \t")
|
||
(cond
|
||
((looking-at "%%%") (prolog-indentation-level-of-line))
|
||
;Large comment starts
|
||
((looking-at "%[^%]") comment-column) ;Small comment starts
|
||
((bobp) 0) ;Beginning of buffer
|
||
|
||
;; If we found '}' then we must check if it's the
|
||
;; end of an object declaration or something else.
|
||
((and (looking-at "}")
|
||
(save-excursion
|
||
(forward-char 1)
|
||
;; Goto to matching {
|
||
(if prolog-use-prolog-tokenizer-flag
|
||
(prolog-backward-list)
|
||
(backward-list))
|
||
(skip-chars-backward " \t")
|
||
(backward-char 2)
|
||
(looking-at "::")))
|
||
;; It was an object
|
||
(if prolog-object-end-to-0-flag
|
||
0
|
||
prolog-indent-width))
|
||
|
||
;;End of /* */ comment
|
||
((looking-at "\\*/")
|
||
(save-excursion
|
||
(prolog-find-start-of-mline-comment)
|
||
(skip-chars-backward " \t")
|
||
(- (current-column) 2)))
|
||
|
||
;; Here we check if the current line is within a /* */ pair
|
||
((and (looking-at "[^%/]")
|
||
(eq (prolog-in-string-or-comment) 'cmt))
|
||
(if prolog-indent-mline-comments-flag
|
||
(prolog-find-start-of-mline-comment)
|
||
;; Same as before
|
||
(prolog-indentation-level-of-line)))
|
||
|
||
(t
|
||
(let ((empty t) ind linebal)
|
||
;; See previous indentation
|
||
(while empty
|
||
(forward-line -1)
|
||
(beginning-of-line)
|
||
(if (= (point) (point-min))
|
||
(setq empty nil)
|
||
(skip-chars-forward " \t")
|
||
(if (not (or (not (member (prolog-in-string-or-comment) '(nil txt)))
|
||
(looking-at "%")
|
||
(looking-at "\n")))
|
||
(setq empty nil))))
|
||
|
||
;; Store this line's indentation
|
||
(if (= (point) (point-min))
|
||
(setq ind 0) ;Beginning of buffer
|
||
(setq ind (current-column))) ;Beginning of clause
|
||
|
||
;; Compute the balance of the line
|
||
(setq linebal (prolog-paren-balance))
|
||
;;(message "bal of previous line %d totbal %d" linebal totbal)
|
||
(if (< linebal 0)
|
||
(progn
|
||
;; Add 'indent-level' mode to find-unmatched-paren instead?
|
||
(end-of-line)
|
||
(setq ind (prolog-find-indent-of-matching-paren))))
|
||
|
||
;;(message "ind %d" ind)
|
||
(beginning-of-line)
|
||
|
||
;; Check if the line ends with ":-", ".", ":: {", "}" (might be
|
||
;; unnecessary), "&" or ")" (The last four concerns SICStus objects)
|
||
(cond
|
||
;; If the last char of the line is a '&' then set the indent level
|
||
;; to prolog-indent-width (used in SICStus objects)
|
||
((and (eq prolog-system 'sicstus)
|
||
(looking-at ".+&[ \t]*\\(%.*\\|\\)$"))
|
||
(setq ind prolog-indent-width))
|
||
|
||
;; Increase indentation if the previous line was the head of a rule
|
||
;; and does not contain a '.'
|
||
((and (looking-at (format ".*%s[^\\.]*[ \t]*\\(%%.*\\|\\)$"
|
||
prolog-head-delimiter))
|
||
;; We must check that the match is at a paren balance of 0.
|
||
(save-excursion
|
||
(let ((p (point)))
|
||
(re-search-forward prolog-head-delimiter)
|
||
(>= 0 (prolog-region-paren-balance p (point))))))
|
||
(let (headindent)
|
||
(if (< (prolog-paren-balance) 0)
|
||
(save-excursion
|
||
(end-of-line)
|
||
(setq headindent (prolog-find-indent-of-matching-paren)))
|
||
(setq headindent (prolog-indentation-level-of-line)))
|
||
(setq ind (+ headindent prolog-indent-width))))
|
||
|
||
;; The previous line was the head of an object
|
||
((looking-at ".+ *::.*{[ \t]*$")
|
||
(setq ind prolog-indent-width))
|
||
|
||
;; If a '.' is found at the end of the previous line, then
|
||
;; decrease the indentation. (The \\(%.*\\|\\) part of the
|
||
;; regexp is for comments at the end of the line)
|
||
((and (looking-at "^.+\\.[ \t]*\\(%.*\\|\\)$")
|
||
;; Make sure that the '.' found is not in a comment or string
|
||
(save-excursion
|
||
(end-of-line)
|
||
(re-search-backward "\\.[ \t]*\\(%.*\\|\\)$" (point-min))
|
||
;; Guard against the real '.' being followed by a
|
||
;; commented '.'.
|
||
(if (eq (prolog-in-string-or-comment) 'cmt) ;; commented out '.'
|
||
(let ((here (save-excursion
|
||
(beginning-of-line)
|
||
(point))))
|
||
(end-of-line)
|
||
(re-search-backward "\\.[ \t]*%.*$" here t))
|
||
(not (prolog-in-string-or-comment))
|
||
)
|
||
))
|
||
(setq ind 0))
|
||
|
||
;; If a '.' is found at the end of the previous line, then
|
||
;; decrease the indentation. (The /\\*.*\\*/ part of the
|
||
;; regexp is for C-like comments at the end of the
|
||
;; line--can we merge with the case above?).
|
||
((and (looking-at "^.+\\.[ \t]*\\(/\\*.*\\|\\)$")
|
||
;; Make sure that the '.' found is not in a comment or string
|
||
(save-excursion
|
||
(end-of-line)
|
||
(re-search-backward "\\.[ \t]*\\(/\\*.*\\|\\)$" (point-min))
|
||
;; Guard against the real '.' being followed by a
|
||
;; commented '.'.
|
||
(if (eq (prolog-in-string-or-comment) 'cmt) ;; commented out '.'
|
||
(let ((here (save-excursion
|
||
(beginning-of-line)
|
||
(point))))
|
||
(end-of-line)
|
||
(re-search-backward "\\.[ \t]*/\\*.*$" here t))
|
||
(not (prolog-in-string-or-comment))
|
||
)
|
||
))
|
||
(setq ind 0))
|
||
|
||
)
|
||
|
||
;; If the last non comment char is a ',' or left paren or a left-
|
||
;; indent-regexp then indent to open parenthesis level
|
||
(if (and
|
||
(> totbal 0)
|
||
;; SICStus objects have special syntax rules if point is
|
||
;; not inside additional parens (objects are defined
|
||
;; within {...})
|
||
(not (and (eq prolog-system 'sicstus)
|
||
(= totbal 1)
|
||
(prolog-in-object))))
|
||
(if (looking-at
|
||
(format "\\(%s\\|%s\\|0'.\\|[0-9]+'[0-9a-zA-Z]+\\|[^\n\'\"%%]\\)*\\(,\\|%s\\|%s\\)\[ \t]*\\(%%.*\\|\\)$"
|
||
prolog-quoted-atom-regexp prolog-string-regexp
|
||
prolog-left-paren prolog-left-indent-regexp))
|
||
(progn
|
||
(goto-char oldpoint)
|
||
(setq ind (prolog-find-unmatched-paren (if prolog-paren-indent-p
|
||
'termdependent
|
||
'skipwhite)))
|
||
;;(setq ind (prolog-find-unmatched-paren 'termdependent))
|
||
)
|
||
(goto-char oldpoint)
|
||
(setq ind (prolog-find-unmatched-paren nil))
|
||
))
|
||
|
||
|
||
;; Return the indentation level
|
||
ind
|
||
))))))
|
||
|
||
(defun prolog-find-indent-of-matching-paren ()
|
||
"Find the indentation level based on the matching parenthesis.
|
||
Indentation level is set to the one the point is after when the function is
|
||
called."
|
||
(save-excursion
|
||
;; Go to the matching paren
|
||
(if prolog-use-prolog-tokenizer-flag
|
||
(prolog-backward-list)
|
||
(backward-list))
|
||
|
||
;; If this was the first paren on the line then return this line's
|
||
;; indentation level
|
||
(if (prolog-paren-is-the-first-on-line-p)
|
||
(prolog-indentation-level-of-line)
|
||
;; It was not the first one
|
||
(progn
|
||
;; Find the next paren
|
||
(prolog-goto-next-paren 0)
|
||
|
||
;; If this paren is a left one then use its column as indent level,
|
||
;; if not then recurse this function
|
||
(if (looking-at prolog-left-paren)
|
||
(+ (current-column) 1)
|
||
(progn
|
||
(forward-char 1)
|
||
(prolog-find-indent-of-matching-paren)))
|
||
))
|
||
))
|
||
|
||
(defun prolog-indentation-level-of-line ()
|
||
"Return the indentation level of the current line."
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(skip-chars-forward " \t")
|
||
(current-column)))
|
||
|
||
(defun prolog-first-pos-on-line ()
|
||
"Return the first position on the current line."
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(point)))
|
||
|
||
(defun prolog-paren-is-the-first-on-line-p ()
|
||
"Return t if the parenthesis under the point is the first one on the line.
|
||
Return nil otherwise.
|
||
Note: does not check if the point is actually at a parenthesis!"
|
||
(save-excursion
|
||
(let ((begofline (prolog-first-pos-on-line)))
|
||
(if (= begofline (point))
|
||
t
|
||
(if (prolog-goto-next-paren begofline)
|
||
nil
|
||
t)))))
|
||
|
||
(defun prolog-find-unmatched-paren (&optional mode)
|
||
"Return the column of the last unmatched left parenthesis.
|
||
If MODE is `skipwhite' then any white space after the parenthesis is added to
|
||
the answer.
|
||
If MODE is `plusone' then the parenthesis' column +1 is returned.
|
||
If MODE is `termdependent' then if the unmatched parenthesis is part of
|
||
a compound term the function will work as `skipwhite', otherwise
|
||
it will return the column paren plus the value of `prolog-paren-indent'.
|
||
If MODE is nil or not set then the parenthesis' exact column is returned."
|
||
(save-excursion
|
||
;; If the next paren we find is a left one we're finished, if it's
|
||
;; a right one then we go back one step and recurse
|
||
(prolog-goto-next-paren 0)
|
||
|
||
(let ((roundparen (looking-at "(")))
|
||
(if (looking-at prolog-left-paren)
|
||
(let ((not-part-of-term
|
||
(save-excursion
|
||
(backward-char 1)
|
||
(looking-at "[ \t]"))))
|
||
(if (eq mode nil)
|
||
(current-column)
|
||
(if (and roundparen
|
||
(eq mode 'termdependent)
|
||
not-part-of-term)
|
||
(+ (current-column)
|
||
(if prolog-electric-tab-flag
|
||
;; Electric TAB
|
||
prolog-paren-indent
|
||
;; Not electric TAB
|
||
(if (looking-at ".[ \t]*$")
|
||
2
|
||
prolog-paren-indent))
|
||
)
|
||
|
||
(forward-char 1)
|
||
(if (or (eq mode 'skipwhite) (eq mode 'termdependent) )
|
||
(skip-chars-forward " \t"))
|
||
(current-column))))
|
||
;; Not looking at left paren
|
||
(progn
|
||
(forward-char 1)
|
||
;; Go to the matching paren. When we get there we have a total
|
||
;; balance of 0.
|
||
(if prolog-use-prolog-tokenizer-flag
|
||
(prolog-backward-list)
|
||
(backward-list))
|
||
(prolog-find-unmatched-paren mode)))
|
||
)))
|
||
|
||
|
||
(defun prolog-paren-balance ()
|
||
"Return the parenthesis balance of the current line.
|
||
A return value of n means n more left parentheses than right ones."
|
||
(save-excursion
|
||
(end-of-line)
|
||
(prolog-region-paren-balance (prolog-first-pos-on-line) (point))))
|
||
|
||
(defun prolog-region-paren-balance (beg end)
|
||
"Return the summed parenthesis balance in the region.
|
||
The region is limited by BEG and END positions."
|
||
(save-excursion
|
||
(let ((state (if prolog-use-prolog-tokenizer-flag
|
||
(prolog-tokenize beg end)
|
||
(parse-partial-sexp beg end))))
|
||
(nth 0 state))))
|
||
|
||
(defun prolog-goto-next-paren (limit-pos)
|
||
"Move the point to the next parenthesis earlier in the buffer.
|
||
Return t if a match was found before LIMIT-POS. Return nil otherwise."
|
||
(let (retval)
|
||
(setq retval (re-search-backward
|
||
(concat prolog-left-paren "\\|" prolog-right-paren)
|
||
limit-pos t))
|
||
|
||
;; If a match was found but it was in a string or comment, then recurse
|
||
(if (and retval (prolog-in-string-or-comment))
|
||
(prolog-goto-next-paren limit-pos)
|
||
retval)
|
||
))
|
||
|
||
(defun prolog-in-string-or-comment ()
|
||
"Check whether string, atom, or comment is under current point.
|
||
Return:
|
||
`txt' if the point is in a string, atom, or character code expression
|
||
`cmt' if the point is in a comment
|
||
nil otherwise."
|
||
(save-excursion
|
||
(let* ((start
|
||
(if (eq prolog-parse-mode 'beg-of-line)
|
||
;; 'beg-of-line
|
||
(save-excursion
|
||
(let (safepoint)
|
||
(beginning-of-line)
|
||
(setq safepoint (point))
|
||
(while (and (> (point) (point-min))
|
||
(progn
|
||
(forward-line -1)
|
||
(end-of-line)
|
||
(if (not (bobp))
|
||
(backward-char 1))
|
||
(looking-at "\\\\"))
|
||
)
|
||
(beginning-of-line)
|
||
(setq safepoint (point)))
|
||
safepoint))
|
||
;; 'beg-of-clause
|
||
(prolog-clause-start)))
|
||
(end (point))
|
||
(state (if prolog-use-prolog-tokenizer-flag
|
||
(prolog-tokenize start end)
|
||
(parse-partial-sexp start end))))
|
||
(cond
|
||
((nth 3 state) 'txt) ; String
|
||
((nth 4 state) 'cmt) ; Comment
|
||
(t
|
||
(cond
|
||
((looking-at "%") 'cmt) ; Start of a comment
|
||
((looking-at "/\\*") 'cmt) ; Start of a comment
|
||
((looking-at "\'") 'txt) ; Start of an atom
|
||
((looking-at "\"") 'txt) ; Start of a string
|
||
(t nil)
|
||
))))
|
||
))
|
||
|
||
(defun prolog-find-start-of-mline-comment ()
|
||
"Return the start column of a /* */ comment.
|
||
This assumes that the point is inside a comment."
|
||
(re-search-backward "/\\*" (point-min) t)
|
||
(forward-char 2)
|
||
(skip-chars-forward " \t")
|
||
(current-column))
|
||
|
||
(defun prolog-insert-spaces-after-paren ()
|
||
"Insert spaces after the opening parenthesis, \"then\" (->) and \"else\" (;) branches.
|
||
Spaces are inserted if all preceding objects on the line are
|
||
whitespace characters, parentheses, or then/else branches."
|
||
(save-excursion
|
||
(let ((regexp (concat "(\\|" prolog-left-indent-regexp))
|
||
level)
|
||
(beginning-of-line)
|
||
(skip-chars-forward " \t")
|
||
(when (looking-at regexp)
|
||
;; Treat "( If -> " lines specially.
|
||
;;(if (looking-at "(.*->")
|
||
;; (setq incr 2)
|
||
;; (setq incr prolog-paren-indent))
|
||
|
||
;; work on all subsequent "->", "(", ";"
|
||
(while (looking-at regexp)
|
||
(goto-char (match-end 0))
|
||
(setq level (+ (prolog-find-unmatched-paren) prolog-paren-indent))
|
||
|
||
;; Remove old white space
|
||
(let ((start (point)))
|
||
(skip-chars-forward " \t")
|
||
(delete-region start (point)))
|
||
(indent-to level)
|
||
(skip-chars-forward " \t"))
|
||
)))
|
||
(when (save-excursion
|
||
(backward-char 2)
|
||
(looking-at "\\s ;\\|\\s (\\|->")) ; (looking-at "\\s \\((\\|;\\)"))
|
||
(skip-chars-forward " \t"))
|
||
)
|
||
|
||
;;;; Comment filling
|
||
|
||
(defun prolog-comment-limits ()
|
||
"Returns the current comment limits plus the comment type (block or line).
|
||
The comment limits are the range of a block comment or the range that
|
||
contains all adjacent line comments (i.e. all comments that starts in
|
||
the same column with no empty lines or non-whitespace characters
|
||
between them)."
|
||
(let ((here (point))
|
||
lit-limits-b lit-limits-e lit-type beg end
|
||
)
|
||
(save-restriction
|
||
;; Widen to catch comment limits correctly.
|
||
(widen)
|
||
(setq end (save-excursion (end-of-line) (point))
|
||
beg (save-excursion (beginning-of-line) (point)))
|
||
(save-excursion
|
||
(beginning-of-line)
|
||
(setq lit-type (if (search-forward-regexp "%" end t) 'line 'block))
|
||
; (setq lit-type 'line)
|
||
;(if (search-forward-regexp "^[ \t]*%" end t)
|
||
; (setq lit-type 'line)
|
||
; (if (not (search-forward-regexp "%" end t))
|
||
; (setq lit-type 'block)
|
||
; (if (not (= (forward-line 1) 0))
|
||
; (setq lit-type 'block)
|
||
; (setq done t
|
||
; ret (prolog-comment-limits)))
|
||
; ))
|
||
(if (eq lit-type 'block)
|
||
(progn
|
||
(goto-char here)
|
||
(when (looking-at "/\\*") (forward-char 2))
|
||
(when (and (looking-at "\\*") (> (point) (point-min))
|
||
(forward-char -1) (looking-at "/"))
|
||
(forward-char 1))
|
||
(when (save-excursion (search-backward "/*" nil t))
|
||
(list (save-excursion (search-backward "/*") (point))
|
||
(or (search-forward "*/" nil t) (point-max)) lit-type)))
|
||
;; line comment
|
||
(setq lit-limits-b (- (point) 1)
|
||
lit-limits-e end)
|
||
(condition-case nil
|
||
(if (progn (goto-char lit-limits-b)
|
||
(looking-at "%"))
|
||
(let ((col (current-column)) done)
|
||
(setq beg (point)
|
||
end lit-limits-e)
|
||
;; Always at the beginning of the comment
|
||
;; Go backward now
|
||
(beginning-of-line)
|
||
(while (and (zerop (setq done (forward-line -1)))
|
||
(search-forward-regexp "^[ \t]*%" (save-excursion (end-of-line) (point)) t)
|
||
(= (+ 1 col) (current-column)))
|
||
(setq beg (- (point) 1)))
|
||
(when (= done 0)
|
||
(forward-line 1))
|
||
;; We may have a line with code above...
|
||
(when (and (zerop (setq done (forward-line -1)))
|
||
(search-forward "%" (save-excursion (end-of-line) (point)) t)
|
||
(= (+ 1 col) (current-column)))
|
||
(setq beg (- (point) 1)))
|
||
(when (= done 0)
|
||
(forward-line 1))
|
||
;; Go forward
|
||
(goto-char lit-limits-b)
|
||
(beginning-of-line)
|
||
(while (and (zerop (forward-line 1))
|
||
(search-forward-regexp "^[ \t]*%" (save-excursion (end-of-line) (point)) t)
|
||
(= (+ 1 col) (current-column)))
|
||
(setq end (save-excursion (end-of-line) (point))))
|
||
(list beg end lit-type))
|
||
(list lit-limits-b lit-limits-e lit-type)
|
||
)
|
||
(error (list lit-limits-b lit-limits-e lit-type))))
|
||
))))
|
||
|
||
(defun prolog-guess-fill-prefix ()
|
||
;; fill 'txt entities?
|
||
(when (save-excursion
|
||
(end-of-line)
|
||
(equal (prolog-in-string-or-comment) 'cmt))
|
||
(let* ((bounds (prolog-comment-limits))
|
||
(cbeg (car bounds))
|
||
(type (nth 2 bounds))
|
||
beg end str)
|
||
(save-excursion
|
||
(end-of-line)
|
||
(setq end (point))
|
||
(beginning-of-line)
|
||
(setq beg (point))
|
||
(if (and (eq type 'line)
|
||
(> cbeg beg)
|
||
(save-excursion (not (search-forward-regexp "^[ \t]*%" cbeg t))))
|
||
(progn
|
||
(goto-char cbeg)
|
||
(search-forward-regexp "%+[ \t]*" end t)
|
||
(setq str (replace-in-string (buffer-substring beg (point)) "[^ \t%]" " "))
|
||
)
|
||
;(goto-char beg)
|
||
(if (search-forward-regexp "^[ \t]*\\(%+\\|\\*+\\|/\\*+\\)[ \t]*" end t)
|
||
(setq str (replace-in-string (buffer-substring beg (point)) "/" " "))
|
||
(beginning-of-line)
|
||
(when (search-forward-regexp "^[ \t]+" end t)
|
||
(setq str (buffer-substring beg (point)))))
|
||
))
|
||
str)))
|
||
|
||
(defun prolog-fill-paragraph ()
|
||
"Fill paragraph comment at or after point."
|
||
(interactive)
|
||
(let* ((bounds (prolog-comment-limits))
|
||
(type (nth 2 bounds)))
|
||
(if (eq type 'line)
|
||
(let ((fill-prefix (prolog-guess-fill-prefix)))
|
||
(fill-paragraph nil))
|
||
(save-excursion
|
||
(save-restriction
|
||
;; exclude surrounding lines that delimit a multiline comment
|
||
;; and don't contain alphabetic characters, like "/*******",
|
||
;; "- - - */" etc.
|
||
(save-excursion
|
||
(backward-paragraph)
|
||
(unless (bobp) (forward-line))
|
||
(if (string-match "^/\\*[^a-zA-Z]*$" (thing-at-point 'line))
|
||
(narrow-to-region (point-at-eol) (point-max))))
|
||
(save-excursion
|
||
(forward-paragraph)
|
||
(forward-line -1)
|
||
(if (string-match "^[^a-zA-Z]*\\*/$" (thing-at-point 'line))
|
||
(narrow-to-region (point-min) (point-at-bol))))
|
||
(let ((fill-prefix (prolog-guess-fill-prefix)))
|
||
(fill-paragraph nil))))
|
||
)))
|
||
|
||
(defun prolog-do-auto-fill ()
|
||
"Carry out Auto Fill for Prolog mode.
|
||
In effect it sets the fill-prefix when inside comments and then calls
|
||
`do-auto-fill'."
|
||
(let ((fill-prefix (prolog-guess-fill-prefix)))
|
||
(do-auto-fill)
|
||
))
|
||
|
||
(unless (fboundp 'replace-in-string)
|
||
(defun replace-in-string (str regexp newtext &optional literal)
|
||
"Replace all matches in STR for REGEXP with NEWTEXT string,
|
||
and returns the new string.
|
||
Optional LITERAL non-nil means do a literal replacement.
|
||
Otherwise treat `\\' in NEWTEXT as special:
|
||
`\\&' in NEWTEXT means substitute original matched text.
|
||
`\\N' means substitute what matched the Nth `\\(...\\)'.
|
||
If Nth parens didn't match, substitute nothing.
|
||
`\\\\' means insert one `\\'.
|
||
`\\u' means upcase the next character.
|
||
`\\l' means downcase the next character.
|
||
`\\U' means begin upcasing all following characters.
|
||
`\\L' means begin downcasing all following characters.
|
||
`\\E' means terminate the effect of any `\\U' or `\\L'."
|
||
(if (> (length str) 50)
|
||
(let ((cfs case-fold-search))
|
||
(with-temp-buffer
|
||
(setq case-fold-search cfs)
|
||
(insert str)
|
||
(goto-char 1)
|
||
(while (re-search-forward regexp nil t)
|
||
(replace-match newtext t literal))
|
||
(buffer-string)))
|
||
(let ((start 0) newstr)
|
||
(while (string-match regexp str start)
|
||
(setq newstr (replace-match newtext t literal str)
|
||
start (+ (match-end 0) (- (length newstr) (length str)))
|
||
str newstr))
|
||
str)))
|
||
)
|
||
|
||
|
||
|
||
;;-------------------------------------------------------------------
|
||
;; The tokenizer
|
||
;;-------------------------------------------------------------------
|
||
|
||
(defconst prolog-tokenize-searchkey
|
||
(concat "[0-9]+'"
|
||
"\\|"
|
||
"['\"]"
|
||
"\\|"
|
||
prolog-left-paren
|
||
"\\|"
|
||
prolog-right-paren
|
||
"\\|"
|
||
"%"
|
||
"\\|"
|
||
"/\\*"
|
||
))
|
||
|
||
(defun prolog-tokenize (beg end &optional stopcond)
|
||
"Tokenize a region of prolog code between BEG and END.
|
||
STOPCOND decides the stop condition of the parsing. Valid values
|
||
are 'zerodepth which stops the parsing at the first right parenthesis
|
||
where the parenthesis depth is zero, 'skipover which skips over
|
||
the current entity (e.g. a list, a string, etc.) and nil.
|
||
|
||
The function returns a list with the following information:
|
||
0. parenthesis depth
|
||
3. 'atm if END is inside an atom
|
||
'str if END is inside a string
|
||
'chr if END is in a character code expression (0'x)
|
||
nil otherwise
|
||
4. non-nil if END is inside a comment
|
||
5. end position (always equal to END if STOPCOND is nil)
|
||
The rest of the elements are undefined."
|
||
(save-excursion
|
||
(let* ((end2 (1+ end))
|
||
oldp
|
||
(depth 0)
|
||
(quoted nil)
|
||
inside_cmt
|
||
(endpos end2)
|
||
skiptype ; The type of entity we'll skip over
|
||
)
|
||
(goto-char beg)
|
||
|
||
(if (and (eq stopcond 'skipover)
|
||
(looking-at "[^[({'\"]"))
|
||
(setq endpos (point)) ; Stay where we are
|
||
(while (and
|
||
(re-search-forward prolog-tokenize-searchkey end2 t)
|
||
(< (point) end2))
|
||
(progn
|
||
(setq oldp (point))
|
||
(goto-char (match-beginning 0))
|
||
(cond
|
||
;; Atoms and strings
|
||
((looking-at "'")
|
||
;; Find end of atom
|
||
(if (re-search-forward "[^\\]'" end2 'limit)
|
||
;; Found end of atom
|
||
(progn
|
||
(setq oldp end2)
|
||
(if (and (eq stopcond 'skipover)
|
||
(not skiptype))
|
||
(setq endpos (point))
|
||
(setq oldp (point)))) ; Continue tokenizing
|
||
(setq quoted 'atm)))
|
||
|
||
((looking-at "\"")
|
||
;; Find end of string
|
||
(if (re-search-forward "[^\\]\"" end2 'limit)
|
||
;; Found end of string
|
||
(progn
|
||
(setq oldp end2)
|
||
(if (and (eq stopcond 'skipover)
|
||
(not skiptype))
|
||
(setq endpos (point))
|
||
(setq oldp (point)))) ; Continue tokenizing
|
||
(setq quoted 'str)))
|
||
|
||
;; Paren stuff
|
||
((looking-at prolog-left-paren)
|
||
(setq depth (1+ depth))
|
||
(setq skiptype 'paren))
|
||
|
||
((looking-at prolog-right-paren)
|
||
(setq depth (1- depth))
|
||
(if (and
|
||
(or (eq stopcond 'zerodepth)
|
||
(and (eq stopcond 'skipover)
|
||
(eq skiptype 'paren)))
|
||
(= depth 0))
|
||
(progn
|
||
(setq endpos (1+ (point)))
|
||
(setq oldp end2))))
|
||
|
||
;; Comment stuff
|
||
((looking-at comment-start)
|
||
(end-of-line)
|
||
;; (if (>= (point) end2)
|
||
(if (>= (point) end)
|
||
(progn
|
||
(setq inside_cmt t)
|
||
(setq oldp end2))
|
||
(setq oldp (point))))
|
||
|
||
((looking-at "/\\*")
|
||
(if (re-search-forward "\\*/" end2 'limit)
|
||
(setq oldp (point))
|
||
(setq inside_cmt t)
|
||
(setq oldp end2)))
|
||
|
||
;; 0'char
|
||
((looking-at "0'")
|
||
(setq oldp (1+ (match-end 0)))
|
||
(if (> oldp end)
|
||
(setq quoted 'chr)))
|
||
|
||
;; base'number
|
||
((looking-at "[0-9]+'")
|
||
(goto-char (match-end 0))
|
||
(skip-chars-forward "0-9a-zA-Z")
|
||
(setq oldp (point)))
|
||
|
||
|
||
)
|
||
(goto-char oldp)
|
||
)) ; End of while
|
||
)
|
||
|
||
;; Deal with multi-line comments
|
||
(and (prolog-inside-mline-comment end)
|
||
(setq inside_cmt t))
|
||
|
||
;; Create return list
|
||
(list depth nil nil quoted inside_cmt endpos)
|
||
)))
|
||
|
||
(defun prolog-inside-mline-comment (here)
|
||
(save-excursion
|
||
(goto-char here)
|
||
(let* ((next-close (save-excursion (search-forward "*/" nil t)))
|
||
(next-open (save-excursion (search-forward "/*" nil t)))
|
||
(prev-open (save-excursion (search-backward "/*" nil t)))
|
||
(prev-close (save-excursion (search-backward "*/" nil t)))
|
||
(unmatched-next-close (and next-close
|
||
(or (not next-open)
|
||
(> next-open next-close))))
|
||
(unmatched-prev-open (and prev-open
|
||
(or (not prev-close)
|
||
(> prev-open prev-close))))
|
||
)
|
||
(or unmatched-next-close unmatched-prev-open)
|
||
)))
|
||
|
||
|
||
;;-------------------------------------------------------------------
|
||
;; Online help
|
||
;;-------------------------------------------------------------------
|
||
|
||
(defvar prolog-help-function
|
||
'((mercury nil)
|
||
(eclipse prolog-help-online)
|
||
;; (sicstus prolog-help-info)
|
||
(sicstus prolog-find-documentation)
|
||
(swi prolog-help-online)
|
||
(t prolog-help-online))
|
||
"Alist for the name of the function for finding help on a predicate.")
|
||
|
||
(defun prolog-help-on-predicate ()
|
||
"Invoke online help on the atom under cursor."
|
||
(interactive)
|
||
|
||
(cond
|
||
;; Redirect help for SICStus to `prolog-find-documentation'.
|
||
((eq prolog-help-function-i 'prolog-find-documentation)
|
||
(prolog-find-documentation))
|
||
|
||
;; Otherwise, ask for the predicate name and then call the function
|
||
;; in prolog-help-function-i
|
||
(t
|
||
(let* (word
|
||
predicate
|
||
;point
|
||
)
|
||
(setq word (prolog-atom-under-point))
|
||
(setq predicate (read-from-minibuffer
|
||
(format "Help on predicate%s: "
|
||
(if word
|
||
(concat " (default " word ")")
|
||
""))))
|
||
(if (string= predicate "")
|
||
(setq predicate word))
|
||
(if prolog-help-function-i
|
||
(funcall prolog-help-function-i predicate)
|
||
(error "Sorry, no help method defined for this Prolog system."))))
|
||
))
|
||
|
||
(defun prolog-help-info (predicate)
|
||
(let ((buffer (current-buffer))
|
||
oldp
|
||
(str (concat "^\\* " (regexp-quote predicate) " */")))
|
||
(require 'info)
|
||
(pop-to-buffer nil)
|
||
(Info-goto-node prolog-info-predicate-index)
|
||
(if (not (re-search-forward str nil t))
|
||
(error (format "Help on predicate `%s' not found." predicate)))
|
||
|
||
(setq oldp (point))
|
||
(if (re-search-forward str nil t)
|
||
;; Multiple matches, ask user
|
||
(let ((max 2)
|
||
n)
|
||
;; Count matches
|
||
(while (re-search-forward str nil t)
|
||
(setq max (1+ max)))
|
||
|
||
(goto-char oldp)
|
||
(re-search-backward "[^ /]" nil t)
|
||
(recenter 0)
|
||
(setq n (read-string ;; was read-input, which is obsolete
|
||
(format "Several matches, choose (1-%d): " max) "1"))
|
||
(forward-line (- (string-to-number n) 1)))
|
||
;; Single match
|
||
(re-search-backward "[^ /]" nil t))
|
||
|
||
;; (Info-follow-nearest-node (point))
|
||
(prolog-Info-follow-nearest-node)
|
||
(re-search-forward (concat "^`" (regexp-quote predicate)) nil t)
|
||
(beginning-of-line)
|
||
(recenter 0)
|
||
(pop-to-buffer buffer)))
|
||
|
||
(defun prolog-Info-follow-nearest-node ()
|
||
(if (eq prolog-emacs 'xemacs)
|
||
(Info-follow-nearest-node (point))
|
||
(Info-follow-nearest-node))
|
||
)
|
||
|
||
(defun prolog-help-online (predicate)
|
||
(prolog-ensure-process)
|
||
(process-send-string "prolog" (concat "help(" predicate ").\n"))
|
||
(display-buffer "*prolog*"))
|
||
|
||
(defun prolog-help-apropos (string)
|
||
"Find Prolog apropos on given STRING.
|
||
This function is only available when `prolog-system' is set to `swi'."
|
||
(interactive "sApropos: ")
|
||
(cond
|
||
((eq prolog-system 'swi)
|
||
(prolog-ensure-process)
|
||
(process-send-string "prolog" (concat "apropos(" string ").\n"))
|
||
(display-buffer "*prolog*"))
|
||
(t
|
||
(error "Sorry, no Prolog apropos available for this Prolog system."))))
|
||
|
||
(defun prolog-atom-under-point ()
|
||
"Return the atom under or left to the point."
|
||
(save-excursion
|
||
(let ((nonatom_chars "[](){},\. \t\n")
|
||
start)
|
||
(skip-chars-forward (concat "^" nonatom_chars))
|
||
(skip-chars-backward nonatom_chars)
|
||
(skip-chars-backward (concat "^" nonatom_chars))
|
||
(setq start (point))
|
||
(skip-chars-forward (concat "^" nonatom_chars))
|
||
(buffer-substring-no-properties start (point))
|
||
)))
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; Help function with completion
|
||
;; Stolen from Per Mildner's SICStus debugger mode and modified
|
||
|
||
(defun prolog-find-documentation ()
|
||
"Go to the Info node for a predicate in the SICStus Info manual."
|
||
(interactive)
|
||
(let ((pred (prolog-read-predicate)))
|
||
(prolog-goto-predicate-info pred)))
|
||
|
||
(defvar prolog-info-alist nil
|
||
"Alist with all builtin predicates.
|
||
Only for internal use by `prolog-find-documentation'")
|
||
|
||
;; Very similar to prolog-help-info except that that function cannot
|
||
;; cope with arity and that it asks the user if there are several
|
||
;; functors with different arity. This function also uses
|
||
;; prolog-info-alist for finding the info node, rather than parsing
|
||
;; the predicate index.
|
||
(defun prolog-goto-predicate-info (predicate)
|
||
"Go to the info page for PREDICATE, which is a PredSpec."
|
||
(interactive)
|
||
(require 'info)
|
||
(string-match "\\(.*\\)/\\([0-9]+\\).*$" predicate)
|
||
(let ((buffer (current-buffer))
|
||
(name (match-string 1 predicate))
|
||
(arity (match-string 2 predicate))
|
||
;oldp
|
||
;(str (regexp-quote predicate))
|
||
)
|
||
(setq arity (string-to-number arity))
|
||
(pop-to-buffer nil)
|
||
|
||
(Info-goto-node
|
||
prolog-info-predicate-index) ;; We must be in the SICStus pages
|
||
(Info-goto-node (car (cdr (assoc predicate prolog-info-alist))))
|
||
|
||
(prolog-find-term (regexp-quote name) arity "^`")
|
||
|
||
(recenter 0)
|
||
(pop-to-buffer buffer))
|
||
)
|
||
|
||
(defun prolog-read-predicate ()
|
||
"Read a PredSpec from the user.
|
||
Returned value is a string \"FUNCTOR/ARITY\".
|
||
Interaction supports completion."
|
||
(let ((initial (prolog-atom-under-point))
|
||
answer)
|
||
;; If the predicate index is not yet built, do it now
|
||
(if (not prolog-info-alist)
|
||
(prolog-build-info-alist))
|
||
;; Test if the initial string could be the base for completion.
|
||
;; Discard it if not.
|
||
(if (eq (try-completion initial prolog-info-alist) nil)
|
||
(setq initial ""))
|
||
;; Read the PredSpec from the user
|
||
(setq answer (completing-read
|
||
"Help on predicate: "
|
||
prolog-info-alist nil t initial))
|
||
(if (equal answer "")
|
||
initial
|
||
answer)))
|
||
|
||
(defun prolog-build-info-alist (&optional verbose)
|
||
"Build an alist of all builtins and library predicates.
|
||
Each element is of the form (\"NAME/ARITY\" . (INFO-NODE1 INFO-NODE2 ...)).
|
||
Typically there is just one Info node associated with each name
|
||
If an optional argument VERBOSE is non-nil, print messages at the beginning
|
||
and end of list building."
|
||
(if verbose
|
||
(message "Building info alist..."))
|
||
(setq prolog-info-alist
|
||
(let ((l ())
|
||
(last-entry (cons "" ())))
|
||
(save-excursion
|
||
(save-window-excursion
|
||
;; select any window but the minibuffer (as we cannot switch
|
||
;; buffers in minibuffer window.
|
||
;; I am not sure this is the right/best way
|
||
(if (active-minibuffer-window) ; nil if none active
|
||
(select-window (next-window)))
|
||
;; Do this after going away from minibuffer window
|
||
(save-window-excursion
|
||
(info))
|
||
(Info-goto-node prolog-info-predicate-index)
|
||
(goto-char (point-min))
|
||
(while (re-search-forward
|
||
"^\\* \\(.+\\)/\\([0-9]+\\)\\([^\n:*]*\\):" nil t)
|
||
(let* ((name (match-string 1))
|
||
(arity (string-to-number (match-string 2)))
|
||
(comment (match-string 3))
|
||
(fa (format "%s/%d%s" name arity comment))
|
||
info-node)
|
||
(beginning-of-line)
|
||
;; Extract the info node name
|
||
(setq info-node (progn
|
||
(re-search-forward ":[ \t]*\\([^:]+\\).$")
|
||
(match-string 1)
|
||
))
|
||
;; ###### Easier? (from Milan version 0.1.28)
|
||
;; (setq info-node (Info-extract-menu-node-name))
|
||
(if (equal fa (car last-entry))
|
||
(setcdr last-entry (cons info-node (cdr last-entry)))
|
||
(setq last-entry (cons fa (list info-node))
|
||
l (cons last-entry l)))))
|
||
(nreverse l)
|
||
))))
|
||
(if verbose
|
||
(message "Building info alist... done.")))
|
||
|
||
|
||
;;-------------------------------------------------------------------
|
||
;; Miscellaneous functions
|
||
;;-------------------------------------------------------------------
|
||
|
||
;; For Windows. Change backslash to slash. SICStus handles either
|
||
;; path separator but backslash must be doubled, therefore use slash.
|
||
(defun prolog-bsts (string)
|
||
"Change backslashes to slashes in STRING."
|
||
(let ((str1 (copy-sequence string))
|
||
(len (length string))
|
||
(i 0))
|
||
(while (< i len)
|
||
(if (char-equal (aref str1 i) ?\\)
|
||
(aset str1 i ?/))
|
||
(setq i (1+ i)))
|
||
str1))
|
||
|
||
;(defun prolog-temporary-file ()
|
||
; "Make temporary file name for compilation."
|
||
; (make-temp-name
|
||
; (concat
|
||
; (or
|
||
; (getenv "TMPDIR")
|
||
; (getenv "TEMP")
|
||
; (getenv "TMP")
|
||
; (getenv "SYSTEMP")
|
||
; "/tmp")
|
||
; "/prolcomp")))
|
||
;(setq prolog-temp-filename (prolog-bsts (prolog-temporary-file)))
|
||
|
||
(defun prolog-temporary-file ()
|
||
"Make temporary file name for compilation."
|
||
(if prolog-temporary-file-name
|
||
;; We already have a file, erase content and continue
|
||
(progn
|
||
(write-region "" nil prolog-temporary-file-name nil 'silent)
|
||
prolog-temporary-file-name)
|
||
;; Actually create the file and set `prolog-temporary-file-name' accordingly
|
||
(let* ((umask (default-file-modes))
|
||
(temporary-file-directory (or
|
||
(getenv "TMPDIR")
|
||
(getenv "TEMP")
|
||
(getenv "TMP")
|
||
(getenv "SYSTEMP")
|
||
"/tmp"))
|
||
(prefix (expand-file-name "prolcomp" temporary-file-directory))
|
||
(suffix ".pl")
|
||
file)
|
||
(unwind-protect
|
||
(progn
|
||
;; Create temp files with strict access rights.
|
||
(set-default-file-modes #o700)
|
||
(while (condition-case ()
|
||
(progn
|
||
(setq file (concat (make-temp-name prefix) suffix))
|
||
;; (concat (make-temp-name "/tmp/prolcomp") ".pl")
|
||
(unless (file-exists-p file)
|
||
(write-region "" nil file nil 'silent))
|
||
nil)
|
||
(file-already-exists t))
|
||
;; the file was somehow created by someone else between
|
||
;; `make-temp-name' and `write-region', let's try again.
|
||
nil)
|
||
(setq prolog-temporary-file-name file))
|
||
;; Reset the umask.
|
||
(set-default-file-modes umask)))
|
||
))
|
||
|
||
(defun prolog-goto-prolog-process-buffer ()
|
||
"Switch to the prolog process buffer and go to its end."
|
||
(switch-to-buffer-other-window "*prolog*")
|
||
(goto-char (point-max))
|
||
)
|
||
|
||
(defun prolog-enable-sicstus-sd ()
|
||
"Enable the source level debugging facilities of SICStus 3.7 and later."
|
||
(interactive)
|
||
(require 'pltrace) ; Load the SICStus debugger code
|
||
;; Turn on the source level debugging by default
|
||
(add-hook 'prolog-inferior-mode-hook 'pltrace-on)
|
||
(if (not prolog-use-sicstus-sd)
|
||
(progn
|
||
;; If there is a *prolog* buffer, then call pltrace-on
|
||
(if (get-buffer "*prolog*")
|
||
;; Avoid compilation warnings by using eval
|
||
(eval '(pltrace-on)))
|
||
(setq prolog-use-sicstus-sd t)
|
||
))
|
||
)
|
||
|
||
(defun prolog-disable-sicstus-sd ()
|
||
"Disable the source level debugging facilities of SICStus 3.7 and later."
|
||
(interactive)
|
||
(setq prolog-use-sicstus-sd nil)
|
||
;; Remove the hook
|
||
(remove-hook 'prolog-inferior-mode-hook 'pltrace-on)
|
||
;; If there is a *prolog* buffer, then call pltrace-off
|
||
(if (get-buffer "*prolog*")
|
||
;; Avoid compile warnings by using eval
|
||
(eval '(pltrace-off))))
|
||
|
||
(defun prolog-debug-on (&optional arg)
|
||
"Enable debugging.
|
||
When called with prefix argument ARG, disable debugging instead."
|
||
(interactive "P")
|
||
(if arg
|
||
(prolog-debug-off)
|
||
(prolog-process-insert-string (get-process "prolog")
|
||
prolog-debug-on-string)
|
||
(process-send-string "prolog" prolog-debug-on-string)))
|
||
|
||
(defun prolog-debug-off ()
|
||
"Disable debugging."
|
||
(interactive)
|
||
(prolog-process-insert-string (get-process "prolog")
|
||
prolog-debug-off-string)
|
||
(process-send-string "prolog" prolog-debug-off-string))
|
||
|
||
(defun prolog-trace-on (&optional arg)
|
||
"Enable tracing.
|
||
When called with prefix argument ARG, disable tracing instead."
|
||
(interactive "P")
|
||
(if arg
|
||
(prolog-trace-off)
|
||
(prolog-process-insert-string (get-process "prolog")
|
||
prolog-trace-on-string)
|
||
(process-send-string "prolog" prolog-trace-on-string)))
|
||
|
||
(defun prolog-trace-off ()
|
||
"Disable tracing."
|
||
(interactive)
|
||
(prolog-process-insert-string (get-process "prolog")
|
||
prolog-trace-off-string)
|
||
(process-send-string "prolog" prolog-trace-off-string))
|
||
|
||
(defun prolog-zip-on (&optional arg)
|
||
"Enable zipping (for SICStus 3.7 and later).
|
||
When called with prefix argument ARG, disable zipping instead."
|
||
(interactive "P")
|
||
(if arg
|
||
(prolog-zip-off)
|
||
(prolog-process-insert-string (get-process "prolog")
|
||
prolog-zip-on-string)
|
||
(process-send-string "prolog" prolog-zip-on-string)))
|
||
|
||
(defun prolog-zip-off ()
|
||
"Disable zipping (for SICStus 3.7 and later)."
|
||
(interactive)
|
||
(prolog-process-insert-string (get-process "prolog")
|
||
prolog-zip-off-string)
|
||
(process-send-string "prolog" prolog-zip-off-string))
|
||
|
||
;; (defun prolog-create-predicate-index ()
|
||
;; "Create an index for all predicates in the buffer."
|
||
;; (let ((predlist '())
|
||
;; clauseinfo
|
||
;; object
|
||
;; pos
|
||
;; )
|
||
;; (goto-char (point-min))
|
||
;; ;; Replace with prolog-clause-start!
|
||
;; (while (re-search-forward "^.+:-" nil t)
|
||
;; (setq pos (match-beginning 0))
|
||
;; (setq clauseinfo (prolog-clause-info))
|
||
;; (setq object (prolog-in-object))
|
||
;; (setq predlist (append
|
||
;; predlist
|
||
;; (list (cons
|
||
;; (if (and (eq prolog-system 'sicstus)
|
||
;; (prolog-in-object))
|
||
;; (format "%s::%s/%d"
|
||
;; object
|
||
;; (nth 0 clauseinfo)
|
||
;; (nth 1 clauseinfo))
|
||
;; (format "%s/%d"
|
||
;; (nth 0 clauseinfo)
|
||
;; (nth 1 clauseinfo)))
|
||
;; pos
|
||
;; ))))
|
||
;; (prolog-end-of-predicate))
|
||
;; predlist))
|
||
|
||
(defun prolog-get-predspec ()
|
||
(save-excursion
|
||
(let ((state (prolog-clause-info))
|
||
(object (prolog-in-object)))
|
||
(if (or (equal (nth 0 state) "") (equal (prolog-in-string-or-comment) 'cmt))
|
||
nil
|
||
(if (and (eq prolog-system 'sicstus)
|
||
object)
|
||
(format "%s::%s/%d"
|
||
object
|
||
(nth 0 state)
|
||
(nth 1 state))
|
||
(format "%s/%d"
|
||
(nth 0 state)
|
||
(nth 1 state)))
|
||
))))
|
||
|
||
;; For backward compatibility. Stolen from custom.el.
|
||
(or (fboundp 'match-string)
|
||
;; Introduced in Emacs 19.29.
|
||
(defun match-string (num &optional string)
|
||
"Return string of text matched by last search.
|
||
NUM specifies which parenthesized expression in the last regexp.
|
||
Value is nil if NUMth pair didn't match, or there were less than NUM pairs.
|
||
Zero means the entire text matched by the whole regexp or whole string.
|
||
STRING should be given if the last search was by `string-match' on STRING."
|
||
(if (match-beginning num)
|
||
(if string
|
||
(substring string (match-beginning num) (match-end num))
|
||
(buffer-substring (match-beginning num) (match-end num))))))
|
||
|
||
(defun prolog-pred-start ()
|
||
"Return the starting point of the first clause of the current predicate."
|
||
(save-excursion
|
||
(goto-char (prolog-clause-start))
|
||
;; Find first clause, unless it was a directive
|
||
(if (and (not (looking-at "[:?]-"))
|
||
(not (looking-at "[ \t]*[%/]")) ; Comment
|
||
|
||
)
|
||
(let* ((pinfo (prolog-clause-info))
|
||
(predname (nth 0 pinfo))
|
||
(arity (nth 1 pinfo))
|
||
(op (point)))
|
||
(while (and (re-search-backward
|
||
(format "^%s\\([(\\.]\\| *%s\\)"
|
||
predname prolog-head-delimiter) nil t)
|
||
(= arity (nth 1 (prolog-clause-info)))
|
||
)
|
||
(setq op (point)))
|
||
(if (eq prolog-system 'mercury)
|
||
;; Skip to the beginning of declarations of the predicate
|
||
(progn
|
||
(goto-char (prolog-beginning-of-clause))
|
||
(while (and (not (eq (point) op))
|
||
(looking-at
|
||
(format ":-[ \t]*\\(pred\\|mode\\)[ \t]+%s"
|
||
predname)))
|
||
(setq op (point))
|
||
(goto-char (prolog-beginning-of-clause)))))
|
||
op)
|
||
(point))))
|
||
|
||
(defun prolog-pred-end ()
|
||
"Return the position at the end of the last clause of the current predicate."
|
||
(save-excursion
|
||
(goto-char (prolog-clause-end)) ; if we are before the first predicate
|
||
(goto-char (prolog-clause-start))
|
||
(let* ((pinfo (prolog-clause-info))
|
||
(predname (nth 0 pinfo))
|
||
(arity (nth 1 pinfo))
|
||
oldp
|
||
(notdone t)
|
||
(op (point)))
|
||
(if (looking-at "[:?]-")
|
||
;; This was a directive
|
||
(progn
|
||
(if (and (eq prolog-system 'mercury)
|
||
(looking-at
|
||
(format ":-[ \t]*\\(pred\\|mode\\)[ \t]+\\(%s+\\)"
|
||
prolog-atom-regexp)))
|
||
;; Skip predicate declarations
|
||
(progn
|
||
(setq predname (buffer-substring-no-properties
|
||
(match-beginning 2) (match-end 2)))
|
||
(while (re-search-forward
|
||
(format
|
||
"\n*\\(:-[ \t]*\\(pred\\|mode\\)[ \t]+\\)?%s[( \t]"
|
||
predname)
|
||
nil t))))
|
||
(goto-char (prolog-clause-end))
|
||
(setq op (point)))
|
||
;; It was not a directive, find the last clause
|
||
(while (and notdone
|
||
(re-search-forward
|
||
(format "^%s\\([(\\.]\\| *%s\\)"
|
||
predname prolog-head-delimiter) nil t)
|
||
(= arity (nth 1 (prolog-clause-info))))
|
||
(setq oldp (point))
|
||
(setq op (prolog-clause-end))
|
||
(if (>= oldp op)
|
||
;; End of clause not found.
|
||
(setq notdone nil)
|
||
;; Continue while loop
|
||
(goto-char op))))
|
||
op)))
|
||
|
||
(defun prolog-clause-start (&optional not-allow-methods)
|
||
"Return the position at the start of the head of the current clause.
|
||
If NOTALLOWMETHODS is non-nil then do not match on methods in
|
||
objects (relevent only if 'prolog-system' is set to 'sicstus)."
|
||
(save-excursion
|
||
(let ((notdone t)
|
||
(retval (point-min)))
|
||
(end-of-line)
|
||
|
||
;; SICStus object?
|
||
(if (and (not not-allow-methods)
|
||
(eq prolog-system 'sicstus)
|
||
(prolog-in-object))
|
||
(while (and
|
||
notdone
|
||
;; Search for a head or a fact
|
||
(re-search-backward
|
||
;; If in object, then find method start.
|
||
;; "^[ \t]+[a-z$].*\\(:-\\|&\\|:: {\\|,\\)"
|
||
"^[ \t]+[a-z$].*\\(:-\\|&\\|:: {\\)" ; The comma causes
|
||
; problems since we cannot assume
|
||
; that the line starts at column 0,
|
||
; thus we don't know if the line
|
||
; is a head or a subgoal
|
||
(point-min) t))
|
||
(if (>= (prolog-paren-balance) 0) ; To no match on " a) :-"
|
||
;; Start of method found
|
||
(progn
|
||
(setq retval (point))
|
||
(setq notdone nil)))
|
||
) ; End of while
|
||
|
||
;; Not in object
|
||
(while (and
|
||
notdone
|
||
;; Search for a text at beginning of a line
|
||
;; ######
|
||
;; (re-search-backward "^[a-z$']" nil t))
|
||
(let ((case-fold-search nil))
|
||
(re-search-backward
|
||
;; (format "^[%s$']" prolog-lower-case-string)
|
||
(format "^\\([%s$']\\|[:?]-\\)" prolog-lower-case-string)
|
||
nil t)))
|
||
(let ((bal (prolog-paren-balance)))
|
||
(cond
|
||
((> bal 0)
|
||
;; Start of clause found
|
||
(progn
|
||
(setq retval (point))
|
||
(setq notdone nil)))
|
||
((and (= bal 0)
|
||
(looking-at
|
||
(format ".*\\(\\.\\|%s\\|!,\\)[ \t]*\\(%%.*\\|\\)$"
|
||
prolog-head-delimiter)))
|
||
;; Start of clause found if the line ends with a '.' or
|
||
;; a prolog-head-delimiter
|
||
(progn
|
||
(setq retval (point))
|
||
(setq notdone nil))
|
||
)
|
||
(t nil) ; Do nothing
|
||
))))
|
||
|
||
retval)))
|
||
|
||
(defun prolog-clause-end (&optional not-allow-methods)
|
||
"Return the position at the end of the current clause.
|
||
If NOTALLOWMETHODS is non-nil then do not match on methods in
|
||
objects (relevent only if 'prolog-system' is set to 'sicstus)."
|
||
(save-excursion
|
||
(beginning-of-line) ; Necessary since we use "^...." for the search
|
||
(if (re-search-forward
|
||
(if (and (not not-allow-methods)
|
||
(eq prolog-system 'sicstus)
|
||
(prolog-in-object))
|
||
(format
|
||
"^\\(%s\\|%s\\|[^\n\'\"%%]\\)*&[ \t]*\\(\\|%%.*\\)$\\|[ \t]*}"
|
||
prolog-quoted-atom-regexp prolog-string-regexp)
|
||
(format
|
||
"^\\(%s\\|%s\\|[^\n\'\"%%]\\)*\\.[ \t]*\\(\\|%%.*\\)$"
|
||
prolog-quoted-atom-regexp prolog-string-regexp))
|
||
nil t)
|
||
(if (and (prolog-in-string-or-comment)
|
||
(not (eobp)))
|
||
(progn
|
||
(forward-char)
|
||
(prolog-clause-end))
|
||
(point))
|
||
(point))))
|
||
|
||
(defun prolog-clause-info ()
|
||
"Return a (name arity) list for the current clause."
|
||
(let (predname (arity 0))
|
||
(save-excursion
|
||
(goto-char (prolog-clause-start))
|
||
(let ((op (point)))
|
||
(if (looking-at prolog-atom-char-regexp)
|
||
(progn
|
||
(skip-chars-forward "^ (\\.")
|
||
(setq predname (buffer-substring op (point))))
|
||
(setq predname ""))
|
||
;; Retrieve the arity
|
||
(if (looking-at prolog-left-paren)
|
||
(let ((endp (save-excursion
|
||
(prolog-forward-list) (point))))
|
||
(setq arity 1)
|
||
(forward-char 1) ; Skip the opening paren
|
||
(while (progn
|
||
(skip-chars-forward "^[({,'\"")
|
||
(< (point) endp))
|
||
(if (looking-at ",")
|
||
(progn
|
||
(setq arity (1+ arity))
|
||
(forward-char 1) ; Skip the comma
|
||
)
|
||
;; We found a string, list or something else we want
|
||
;; to skip over. Always use prolog-tokenize,
|
||
;; parse-partial-sexp does not have a 'skipover mode.
|
||
(goto-char (nth 5 (prolog-tokenize (point) endp 'skipover))))
|
||
)))
|
||
(list predname arity)
|
||
))))
|
||
|
||
(defun prolog-in-object ()
|
||
"Return object name if the point is inside a SICStus object definition."
|
||
;; Return object name if the last line that starts with a character
|
||
;; that is neither white space nor a comment start
|
||
(save-excursion
|
||
(if (save-excursion
|
||
(beginning-of-line)
|
||
(looking-at "\\([^\n ]+\\)[ \t]*::[ \t]*{"))
|
||
;; We were in the head of the object
|
||
(match-string 1)
|
||
;; We were not in the head
|
||
(if (and (re-search-backward "^[a-z$'}]" nil t)
|
||
(looking-at "\\([^\n ]+\\)[ \t]*::[ \t]*{"))
|
||
(match-string 1)
|
||
nil))))
|
||
|
||
(defun prolog-forward-list ()
|
||
"Move the point to the matching right parenthesis."
|
||
(interactive)
|
||
(if prolog-use-prolog-tokenizer-flag
|
||
(let ((state (prolog-tokenize (point) (point-max) 'zerodepth)))
|
||
(goto-char (nth 5 state)))
|
||
(forward-list)))
|
||
|
||
;; NB: This could be done more efficiently!
|
||
(defun prolog-backward-list ()
|
||
"Move the point to the matching left parenthesis."
|
||
(interactive)
|
||
(if prolog-use-prolog-tokenizer-flag
|
||
(let ((bal 0)
|
||
(paren-regexp (concat prolog-left-paren "\\|" prolog-right-paren))
|
||
(notdone t))
|
||
(while (and notdone (re-search-backward paren-regexp nil t))
|
||
(cond
|
||
((looking-at prolog-left-paren)
|
||
(if (not (prolog-in-string-or-comment))
|
||
(setq bal (1+ bal)))
|
||
(if (= bal 0)
|
||
(setq notdone nil)))
|
||
((looking-at prolog-right-paren)
|
||
(if (not (prolog-in-string-or-comment))
|
||
(setq bal (1- bal))))
|
||
)))
|
||
(backward-list)))
|
||
|
||
(defun prolog-beginning-of-clause ()
|
||
"Move to the beginning of current clause.
|
||
If already at the beginning of clause, move to previous clause."
|
||
(interactive)
|
||
(let ((point (point))
|
||
(new-point (prolog-clause-start)))
|
||
(if (and (>= new-point point)
|
||
(> point 1))
|
||
(progn
|
||
(goto-char (1- point))
|
||
(goto-char (prolog-clause-start)))
|
||
(goto-char new-point)
|
||
(skip-chars-forward " \t"))))
|
||
|
||
;; (defun prolog-previous-clause ()
|
||
;; "Move to the beginning of the previous clause."
|
||
;; (interactive)
|
||
;; (forward-char -1)
|
||
;; (prolog-beginning-of-clause))
|
||
|
||
(defun prolog-end-of-clause ()
|
||
"Move to the end of clause.
|
||
If already at the end of clause, move to next clause."
|
||
(interactive)
|
||
(let ((point (point))
|
||
(new-point (prolog-clause-end)))
|
||
(if (and (<= new-point point)
|
||
(not (eq new-point (point-max))))
|
||
(progn
|
||
(goto-char (1+ point))
|
||
(goto-char (prolog-clause-end)))
|
||
(goto-char new-point))))
|
||
|
||
;; (defun prolog-next-clause ()
|
||
;; "Move to the beginning of the next clause."
|
||
;; (interactive)
|
||
;; (prolog-end-of-clause)
|
||
;; (forward-char)
|
||
;; (prolog-end-of-clause)
|
||
;; (prolog-beginning-of-clause))
|
||
|
||
(defun prolog-beginning-of-predicate ()
|
||
"Go to the nearest beginning of predicate before current point.
|
||
Return the final point or nil if no such a beginning was found."
|
||
(interactive)
|
||
(let ((op (point))
|
||
(pos (prolog-pred-start)))
|
||
(if pos
|
||
(if (= op pos)
|
||
(if (not (bobp))
|
||
(progn
|
||
(goto-char pos)
|
||
(backward-char 1)
|
||
(setq pos (prolog-pred-start))
|
||
(if pos
|
||
(progn
|
||
(goto-char pos)
|
||
(point)))))
|
||
(goto-char pos)
|
||
(point)))))
|
||
|
||
(defun prolog-end-of-predicate ()
|
||
"Go to the end of the current predicate."
|
||
(interactive)
|
||
(let ((op (point)))
|
||
(goto-char (prolog-pred-end))
|
||
(if (= op (point))
|
||
(progn
|
||
(forward-line 1)
|
||
(prolog-end-of-predicate)))))
|
||
|
||
(defun prolog-insert-predspec ()
|
||
"Insert the predspec for the current predicate."
|
||
(interactive)
|
||
(let* ((pinfo (prolog-clause-info))
|
||
(predname (nth 0 pinfo))
|
||
(arity (nth 1 pinfo)))
|
||
(insert (format "%s/%d" predname arity))))
|
||
|
||
(defun prolog-view-predspec ()
|
||
"Insert the predspec for the current predicate."
|
||
(interactive)
|
||
(let* ((pinfo (prolog-clause-info))
|
||
(predname (nth 0 pinfo))
|
||
(arity (nth 1 pinfo)))
|
||
(message (format "%s/%d" predname arity))))
|
||
|
||
(defun prolog-insert-predicate-template ()
|
||
"Insert the template for the current clause."
|
||
(interactive)
|
||
(let* ((n 1)
|
||
oldp
|
||
(pinfo (prolog-clause-info))
|
||
(predname (nth 0 pinfo))
|
||
(arity (nth 1 pinfo)))
|
||
(insert predname)
|
||
(if (> arity 0)
|
||
(progn
|
||
(insert "(")
|
||
(when prolog-electric-dot-full-predicate-template
|
||
(setq oldp (point))
|
||
(while (< n arity)
|
||
(insert ",")
|
||
(setq n (1+ n)))
|
||
(insert ")")
|
||
(goto-char oldp))
|
||
))
|
||
))
|
||
|
||
(defun prolog-insert-next-clause ()
|
||
"Insert newline and the name of the current clause."
|
||
(interactive)
|
||
(insert "\n")
|
||
(prolog-insert-predicate-template))
|
||
|
||
(defun prolog-insert-module-modeline ()
|
||
"Insert a modeline for module specification.
|
||
This line should be first in the buffer.
|
||
The module name should be written manually just before the semi-colon."
|
||
(interactive)
|
||
(insert "%%% -*- Module: ; -*-\n")
|
||
(backward-char 6))
|
||
|
||
(defun prolog-uncomment-region (beg end)
|
||
"Uncomment the region between BEG and END."
|
||
(interactive "r")
|
||
(comment-region beg end -1))
|
||
|
||
(defun prolog-goto-comment-column (&optional nocreate)
|
||
"Move comments on the current line to the correct position.
|
||
If NOCREATE is nil (or omitted) and there is no comment on the line, then
|
||
a new comment is created."
|
||
(interactive)
|
||
(beginning-of-line)
|
||
(if (or (not nocreate)
|
||
(and
|
||
(re-search-forward
|
||
(format "^\\(\\(%s\\|%s\\|[^\n\'\"%%]\\)*\\)%% *"
|
||
prolog-quoted-atom-regexp prolog-string-regexp)
|
||
(save-excursion (end-of-line) (point)) 'limit)
|
||
(progn
|
||
(goto-char (match-beginning 0))
|
||
(not (eq (prolog-in-string-or-comment) 'txt)))))
|
||
(indent-for-comment)))
|
||
|
||
(defun prolog-indent-predicate ()
|
||
"*Indent the current predicate."
|
||
(interactive)
|
||
(indent-region (prolog-pred-start) (prolog-pred-end) nil))
|
||
|
||
(defun prolog-indent-buffer ()
|
||
"*Indent the entire buffer."
|
||
(interactive)
|
||
(indent-region (point-min) (point-max) nil))
|
||
|
||
(defun prolog-mark-clause ()
|
||
"Put mark at the end of this clause and move point to the beginning."
|
||
(interactive)
|
||
(let ((pos (point)))
|
||
(goto-char (prolog-clause-end))
|
||
(forward-line 1)
|
||
(beginning-of-line)
|
||
(set-mark (point))
|
||
(goto-char pos)
|
||
(goto-char (prolog-clause-start))))
|
||
|
||
(defun prolog-mark-predicate ()
|
||
"Put mark at the end of this predicate and move point to the beginning."
|
||
(interactive)
|
||
(let (pos)
|
||
(goto-char (prolog-pred-end))
|
||
(setq pos (point))
|
||
(forward-line 1)
|
||
(beginning-of-line)
|
||
(set-mark (point))
|
||
(goto-char pos)
|
||
(goto-char (prolog-pred-start))))
|
||
|
||
;; Stolen from `cc-mode.el':
|
||
(defun prolog-electric-delete (arg)
|
||
"Delete preceding character or whitespace.
|
||
If `prolog-hungry-delete-key-flag' is non-nil, then all preceding whitespace is
|
||
consumed. If however an ARG is supplied, or `prolog-hungry-delete-key-flag' is
|
||
nil, or point is inside a literal then the function in the variable
|
||
`backward-delete-char' is called."
|
||
(interactive "P")
|
||
(if (or (not prolog-hungry-delete-key-flag)
|
||
arg
|
||
(prolog-in-string-or-comment))
|
||
(funcall 'backward-delete-char (prefix-numeric-value arg))
|
||
(let ((here (point)))
|
||
(skip-chars-backward " \t\n")
|
||
(if (/= (point) here)
|
||
(delete-region (point) here)
|
||
(funcall 'backward-delete-char 1)
|
||
))))
|
||
|
||
;; For XEmacs compatibility (suggested by Per Mildner)
|
||
(put 'prolog-electric-delete 'pending-delete 'supersede)
|
||
|
||
(defun prolog-electric-if-then-else (arg)
|
||
"If `prolog-electric-if-then-else-flag' is non-nil, indent if-then-else constructs.
|
||
Bound to the >, ; and ( keys."
|
||
(interactive "P")
|
||
(self-insert-command (prefix-numeric-value arg))
|
||
(if prolog-electric-if-then-else-flag (prolog-insert-spaces-after-paren)))
|
||
|
||
(defun prolog-electric-colon (arg)
|
||
"If `prolog-electric-colon-flag' is non-nil, insert the electric `:' construct,
|
||
that is, space (if appropriate), `:-' and newline if colon is pressed
|
||
at the end of a line that starts in the first column (i.e., clause
|
||
heads)."
|
||
(interactive "P")
|
||
(if (and prolog-electric-colon-flag
|
||
(null arg)
|
||
(= (point) (line-end-position))
|
||
;(not (string-match "^\\s " (thing-at-point 'line))))
|
||
(not (string-match "^\\(\\s \\|%\\)" (thing-at-point 'line))))
|
||
(progn
|
||
(unless (save-excursion (backward-char 1) (looking-at "\\s ")) (insert " "))
|
||
(insert ":-\n")
|
||
(prolog-indent-line))
|
||
(self-insert-command (prefix-numeric-value arg))))
|
||
|
||
(defun prolog-electric-dash (arg)
|
||
"If `prolog-electric-dash-flag' is non-nil, insert the electric `-' construct,
|
||
that is, space (if appropriate), `-->' and newline if dash is pressed
|
||
at the end of a line that starts in the first column (i.e., DCG
|
||
heads)."
|
||
(interactive "P")
|
||
(if (and prolog-electric-dash-flag
|
||
(null arg)
|
||
(= (point) (line-end-position))
|
||
;(not (string-match "^\\s " (thing-at-point 'line))))
|
||
(not (string-match "^\\(\\s \\|%\\)" (thing-at-point 'line))))
|
||
(progn
|
||
(unless (save-excursion (backward-char 1) (looking-at "\\s ")) (insert " "))
|
||
(insert "-->\n")
|
||
(prolog-indent-line))
|
||
(self-insert-command (prefix-numeric-value arg))))
|
||
|
||
(defun prolog-electric-dot (arg)
|
||
"Insert dot and newline or a head of a new clause.
|
||
|
||
If `prolog-electric-dot-flag' is nil, then simply insert dot.
|
||
Otherwise::
|
||
When invoked at the end of nonempty line, insert dot and newline.
|
||
When invoked at the end of an empty line, insert a recursive call to
|
||
the current predicate.
|
||
When invoked at the beginning of line, insert a head of a new clause
|
||
of the current predicate.
|
||
|
||
When called with prefix argument ARG, insert just dot."
|
||
(interactive "P")
|
||
;; Check for situations when the electricity should not be active
|
||
(if (or (not prolog-electric-dot-flag)
|
||
arg
|
||
(prolog-in-string-or-comment)
|
||
;; Do not be electric in a floating point number or an operator
|
||
(not
|
||
(or
|
||
;; (re-search-backward
|
||
;; ######
|
||
;; "\\(^\\|[])}a-zA-Z_!'0-9]+\\)[ \t]*\\=" nil t)))
|
||
(save-excursion
|
||
(re-search-backward
|
||
;; "\\(^\\|[])}_!'0-9]+\\)[ \t]*\\=" nil t)))
|
||
"\\(^\\|[])}_!'0-9]+\\)[ \t]*\\="
|
||
nil t))
|
||
(save-excursion
|
||
(re-search-backward
|
||
;; "\\(^\\|[])}a-zA-Z]+\\)[ \t]*\\=" nil t)))
|
||
(format "\\(^\\|[])}%s]+\\)[ \t]*\\="
|
||
prolog-lower-case-string)
|
||
nil t))
|
||
(save-excursion
|
||
(re-search-backward
|
||
;; "\\(^\\|[])}a-zA-Z]+\\)[ \t]*\\=" nil t)))
|
||
(format "\\(^\\|[])}%s]+\\)[ \t]*\\="
|
||
prolog-upper-case-string)
|
||
nil t))
|
||
)
|
||
)
|
||
;; Do not be electric if inside a parenthesis pair.
|
||
(not (= (prolog-region-paren-balance (prolog-clause-start) (point))
|
||
0))
|
||
)
|
||
(funcall 'self-insert-command (prefix-numeric-value arg))
|
||
(cond
|
||
;; Beginning of line
|
||
((bolp)
|
||
(prolog-insert-predicate-template))
|
||
;; At an empty line with at least one whitespace
|
||
((save-excursion
|
||
(beginning-of-line)
|
||
(looking-at "[ \t]+$"))
|
||
(prolog-insert-predicate-template)
|
||
(when prolog-electric-dot-full-predicate-template
|
||
(save-excursion
|
||
(end-of-line)
|
||
(insert ".\n"))))
|
||
;; Default
|
||
(t
|
||
(insert ".\n"))
|
||
)))
|
||
|
||
(defun prolog-electric-underscore ()
|
||
"Replace variable with an underscore.
|
||
If `prolog-electric-underscore-flag' is non-nil and the point is
|
||
on a variable then replace the variable with underscore and skip
|
||
the following comma and whitespace, if any.
|
||
If the point is not on a variable then insert underscore."
|
||
(interactive)
|
||
(if prolog-electric-underscore-flag
|
||
(let (;start
|
||
(oldcase case-fold-search)
|
||
(oldp (point)))
|
||
(setq case-fold-search nil)
|
||
;; ######
|
||
;;(skip-chars-backward "a-zA-Z_")
|
||
(skip-chars-backward
|
||
(format "%s%s_"
|
||
prolog-lower-case-string
|
||
prolog-upper-case-string))
|
||
|
||
;(setq start (point))
|
||
(if (and (not (prolog-in-string-or-comment))
|
||
;; ######
|
||
;; (looking-at "\\<[_A-Z][a-zA-Z_0-9]*\\>"))
|
||
(looking-at (format "\\<[_%s][%s%s_0-9]*\\>"
|
||
prolog-upper-case-string
|
||
prolog-lower-case-string
|
||
prolog-upper-case-string)))
|
||
(progn
|
||
(replace-match "_")
|
||
(skip-chars-forward ", \t\n"))
|
||
(goto-char oldp)
|
||
(self-insert-command 1))
|
||
(setq case-fold-search oldcase)
|
||
)
|
||
(self-insert-command 1))
|
||
)
|
||
|
||
|
||
(defun prolog-find-term (functor arity &optional prefix)
|
||
"Go to the position at the start of the next occurance of a term.
|
||
The term is specified with FUNCTOR and ARITY. The optional argument
|
||
PREFIX is the prefix of the search regexp."
|
||
(let* (;; If prefix is not set then use the default "\\<"
|
||
(prefix (if (not prefix)
|
||
"\\<"
|
||
prefix))
|
||
(regexp (concat prefix functor))
|
||
(i 1))
|
||
|
||
;; Build regexp for the search if the arity is > 0
|
||
(if (= arity 0)
|
||
;; Add that the functor must be at the end of a word. This
|
||
;; does not work if the arity is > 0 since the closing )
|
||
;; is not a word constituent.
|
||
(setq regexp (concat regexp "\\>"))
|
||
;; Arity is > 0, add parens and commas
|
||
(setq regexp (concat regexp "("))
|
||
(while (< i arity)
|
||
(setq regexp (concat regexp ".+,"))
|
||
(setq i (1+ i)))
|
||
(setq regexp (concat regexp ".+)")))
|
||
|
||
;; Search, and return position
|
||
(if (re-search-forward regexp nil t)
|
||
(goto-char (match-beginning 0))
|
||
(error "Term not found"))
|
||
))
|
||
|
||
(defun prolog-variables-to-anonymous (beg end)
|
||
"Replace all variables within a region BEG to END by anonymous variables."
|
||
(interactive "r")
|
||
(save-excursion
|
||
(let ((oldcase case-fold-search))
|
||
(setq case-fold-search nil)
|
||
(goto-char end)
|
||
(while (re-search-backward "\\<[A-Z_][a-zA-Z_0-9]*\\>" beg t)
|
||
(progn
|
||
(replace-match "_")
|
||
(backward-char)))
|
||
(setq case-fold-search oldcase)
|
||
)))
|
||
|
||
|
||
(defun prolog-set-atom-regexps ()
|
||
"Set the `prolog-atom-char-regexp' and `prolog-atom-regexp' variables.
|
||
Must be called after `prolog-build-case-strings'."
|
||
(setq prolog-atom-char-regexp
|
||
(format "[%s%s0-9_$]"
|
||
prolog-lower-case-string
|
||
prolog-upper-case-string))
|
||
(setq prolog-atom-regexp
|
||
(format "[%s$]%s*"
|
||
prolog-lower-case-string
|
||
prolog-atom-char-regexp))
|
||
)
|
||
|
||
(defun prolog-build-case-strings ()
|
||
"Set `prolog-upper-case-string' and `prolog-lower-case-string'.
|
||
Uses the current case-table for extracting the relevant information."
|
||
(let ((up_string "")
|
||
(low_string ""))
|
||
;; Use `map-char-table' if it is defined. Otherwise enumerate all
|
||
;; numbers between 0 and 255. `map-char-table' is probably safer.
|
||
;;
|
||
;; `map-char-table' causes problems under Emacs 23.0.0.1, the
|
||
;; while loop seems to do its job well (Ryszard Szopa)
|
||
;;
|
||
;;(if (and (not (eq prolog-emacs 'xemacs))
|
||
;; (fboundp 'map-char-table))
|
||
;; (map-char-table
|
||
;; (lambda (key value)
|
||
;; (cond
|
||
;; ((and
|
||
;; (eq (int-to-char key) (downcase key))
|
||
;; (eq (int-to-char key) (upcase key)))
|
||
;; ;; Do nothing if upper and lower case are the same
|
||
;; )
|
||
;; ((eq (int-to-char key) (downcase key))
|
||
;; ;; The char is lower case
|
||
;; (setq low_string (format "%s%c" low_string key)))
|
||
;; ((eq (int-to-char key) (upcase key))
|
||
;; ;; The char is upper case
|
||
;; (setq up_string (format "%s%c" up_string key)))
|
||
;; ))
|
||
;; (current-case-table))
|
||
;; `map-char-table' was undefined.
|
||
(let ((key 0))
|
||
(while (< key 256)
|
||
(cond
|
||
((and
|
||
(eq (int-to-char key) (downcase key))
|
||
(eq (int-to-char key) (upcase key)))
|
||
;; Do nothing if upper and lower case are the same
|
||
)
|
||
((eq (int-to-char key) (downcase key))
|
||
;; The char is lower case
|
||
(setq low_string (format "%s%c" low_string key)))
|
||
((eq (int-to-char key) (upcase key))
|
||
;; The char is upper case
|
||
(setq up_string (format "%s%c" up_string key)))
|
||
)
|
||
(setq key (1+ key))))
|
||
;; )
|
||
;; The strings are single-byte strings
|
||
(setq prolog-upper-case-string (prolog-dash-letters up_string))
|
||
(setq prolog-lower-case-string (prolog-dash-letters low_string))
|
||
))
|
||
|
||
;(defun prolog-regexp-dash-continuous-chars (chars)
|
||
; (let ((ints (mapcar #'char-to-int (string-to-list chars)))
|
||
; (beg 0)
|
||
; (end 0))
|
||
; (if (null ints)
|
||
; chars
|
||
; (while (and (< (+ beg 1) (length chars))
|
||
; (not (or (= (+ (nth beg ints) 1) (nth (+ beg 1) ints))
|
||
; (= (nth beg ints) (nth (+ beg 1) ints)))))
|
||
; (setq beg (+ beg 1)))
|
||
; (setq beg (+ beg 1)
|
||
; end beg)
|
||
; (while (and (< (+ end 1) (length chars))
|
||
; (or (= (+ (nth end ints) 1) (nth (+ end 1) ints))
|
||
; (= (nth end ints) (nth (+ end 1) ints))))
|
||
; (setq end (+ end 1)))
|
||
; (if (equal (substring chars end) "")
|
||
; (substring chars 0 beg)
|
||
; (concat (substring chars 0 beg) "-"
|
||
; (prolog-regexp-dash-continuous-chars (substring chars end))))
|
||
; )))
|
||
|
||
(defun prolog-ints-intervals (ints)
|
||
"Return a list of intervals (from . to) covering INTS."
|
||
(when ints
|
||
(setq ints (sort ints '<))
|
||
(let ((prev (car ints))
|
||
(interval-start (car ints))
|
||
intervals)
|
||
(while ints
|
||
(let ((next (car ints)))
|
||
(when (> next (1+ prev)) ; start of new interval
|
||
(setq intervals (cons (cons interval-start prev) intervals))
|
||
(setq interval-start next))
|
||
(setq prev next)
|
||
(setq ints (cdr ints))))
|
||
(setq intervals (cons (cons interval-start prev) intervals))
|
||
(reverse intervals))))
|
||
|
||
(defun prolog-dash-letters (string)
|
||
"Return a condensed regexp covering all letters in STRING."
|
||
(let ((intervals (prolog-ints-intervals (mapcar #'char-to-int
|
||
(string-to-list string))))
|
||
codes)
|
||
(while intervals
|
||
(let* ((i (car intervals))
|
||
(from (car i))
|
||
(to (cdr i))
|
||
(c (cond ((= from to) `(,from))
|
||
((= (1+ from) to) `(,from ,to))
|
||
(t `(,from ?- ,to)))))
|
||
(setq codes (cons c codes)))
|
||
(setq intervals (cdr intervals)))
|
||
(apply 'concat (reverse codes))))
|
||
|
||
;(defun prolog-condense-character-sets (regexp)
|
||
; "Condense adjacent characters in character sets of REGEXP."
|
||
; (let ((next -1))
|
||
; (while (setq next (string-match "\\[\\(.*?\\)\\]" regexp (1+ next)))
|
||
; (setq regexp (replace-match (prolog-dash-letters (match-string 1 regexp))
|
||
; t t regexp 1))))
|
||
; regexp)
|
||
|
||
;; GNU Emacs compatibility: GNU Emacs does not differentiate between
|
||
;; ints and chars, or at least these two are interchangeable.
|
||
(or (fboundp 'int-to-char)
|
||
;; Introduced in Emacs 19.29.
|
||
(defun int-to-char (num)
|
||
num))
|
||
|
||
(or (fboundp 'char-to-int)
|
||
;; Introduced in Emacs 19.29.
|
||
(defun char-to-int (num)
|
||
num))
|
||
|
||
|
||
;;-------------------------------------------------------------------
|
||
;; Menu stuff (both for the editing buffer and for the inferior
|
||
;; prolog buffer)
|
||
;;-------------------------------------------------------------------
|
||
|
||
(unless (fboundp 'region-exists-p)
|
||
(defun region-exists-p ()
|
||
"Non-nil iff the mark is set. Lobotomized version for Emacsen that do not provide their own."
|
||
(mark)))
|
||
|
||
(defun prolog-menu ()
|
||
"Creates the menus for the Prolog editing buffers.
|
||
These menus are dynamically created because one may change systems
|
||
during the life of an Emacs session, and because GNU Emacs wants them
|
||
so by ignoring `easy-menu-add'."
|
||
|
||
;; GNU Emacs ignores `easy-menu-add' so the order in which the menus
|
||
;; are defined _is_ important!
|
||
|
||
(easy-menu-define
|
||
prolog-edit-menu-help (current-local-map)
|
||
"Help menu for the Prolog mode."
|
||
(append
|
||
(if (eq prolog-emacs 'xemacs) '("Help") '("Prolog-help"))
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
'(["On predicate" prolog-help-on-predicate t]
|
||
"---"))
|
||
((eq prolog-system 'swi)
|
||
'(["On predicate" prolog-help-on-predicate t]
|
||
["Apropos" prolog-help-apropos t]
|
||
"---")))
|
||
'(["Describe mode" describe-mode t])))
|
||
|
||
(easy-menu-define
|
||
prolog-edit-menu-runtime (current-local-map)
|
||
"Runtime Prolog commands available from the editing buffer"
|
||
(append
|
||
;; runtime menu name
|
||
(list (cond ((eq prolog-system 'eclipse)
|
||
"ECLiPSe")
|
||
((eq prolog-system 'mercury)
|
||
"Mercury")
|
||
(t
|
||
"Prolog")))
|
||
;; consult items, NIL for mercury
|
||
(unless (eq prolog-system 'mercury)
|
||
'("---"
|
||
["Consult file" prolog-consult-file t]
|
||
["Consult buffer" prolog-consult-buffer t]
|
||
["Consult region" prolog-consult-region (region-exists-p)]
|
||
["Consult predicate" prolog-consult-predicate t]
|
||
))
|
||
;; compile items, NIL for everything but SICSTUS
|
||
(when (eq prolog-system 'sicstus)
|
||
'("---"
|
||
["Compile file" prolog-compile-file t]
|
||
["Compile buffer" prolog-compile-buffer t]
|
||
["Compile region" prolog-compile-region (region-exists-p)]
|
||
["Compile predicate" prolog-compile-predicate t]
|
||
))
|
||
;; debug items, NIL for mercury
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
;; In SICStus, these are pairwise disjunctive,
|
||
;; so it's enough with one "off"-command
|
||
(if (prolog-atleast-version '(3 . 7))
|
||
(list "---"
|
||
["Debug" prolog-debug-on t]
|
||
["Trace" prolog-trace-on t]
|
||
["Zip" prolog-zip-on t]
|
||
["All debug off" prolog-debug-off t]
|
||
'("Source level debugging"
|
||
["Enable" prolog-enable-sicstus-sd t]
|
||
["Disable" prolog-disable-sicstus-sd t]))
|
||
(list "---"
|
||
["Debug" prolog-debug-on t]
|
||
["Trace" prolog-trace-on t]
|
||
["All debug off" prolog-debug-off t])))
|
||
((not (eq prolog-system 'mercury))
|
||
'("---"
|
||
["Debug" prolog-debug-on t]
|
||
["Debug off" prolog-debug-off t]
|
||
["Trace" prolog-trace-on t]
|
||
["Trace off" prolog-trace-off t]))
|
||
;; default (mercury) nil
|
||
)
|
||
(list "---"
|
||
(if (eq prolog-emacs 'xemacs)
|
||
[(concat "Run " (cond ((eq prolog-system 'eclipse) "ECLiPSe")
|
||
((eq prolog-system 'mercury) "Mercury")
|
||
(t "Prolog")))
|
||
run-prolog t]
|
||
["Run Prolog" run-prolog t]))))
|
||
|
||
(easy-menu-define
|
||
prolog-edit-menu-insert-move (current-local-map)
|
||
"Commands for Prolog code manipulation."
|
||
(append
|
||
(list "Code"
|
||
["Comment region" comment-region (region-exists-p)]
|
||
["Uncomment region" prolog-uncomment-region (region-exists-p)]
|
||
["Add comment/move to comment" indent-for-comment t])
|
||
(unless (eq prolog-system 'mercury)
|
||
(list ["Convert variables in region to '_'" prolog-variables-to-anonymous (region-exists-p)]))
|
||
(list "---"
|
||
["Insert predicate template" prolog-insert-predicate-template t]
|
||
["Insert next clause head" prolog-insert-next-clause t]
|
||
["Insert predicate spec" prolog-insert-predspec t]
|
||
["Insert module modeline" prolog-insert-module-modeline t]
|
||
"---"
|
||
["Beginning of clause" prolog-beginning-of-clause t]
|
||
["End of clause" prolog-end-of-clause t]
|
||
["Beginning of predicate" prolog-beginning-of-predicate t]
|
||
["End of predicate" prolog-end-of-predicate t]
|
||
"---"
|
||
["Indent line" prolog-indent-line t]
|
||
["Indent region" indent-region (region-exists-p)]
|
||
["Indent predicate" prolog-indent-predicate t]
|
||
["Indent buffer" prolog-indent-buffer t]
|
||
["Align region" align (region-exists-p)]
|
||
"---"
|
||
["Mark clause" prolog-mark-clause t]
|
||
["Mark predicate" prolog-mark-predicate t]
|
||
["Mark paragraph" mark-paragraph t]
|
||
;"---"
|
||
;["Fontify buffer" font-lock-fontify-buffer t]
|
||
)))
|
||
|
||
(easy-menu-add prolog-edit-menu-insert-move)
|
||
(easy-menu-add prolog-edit-menu-runtime)
|
||
|
||
;; Add predicate index menu
|
||
;(make-variable-buffer-local 'imenu-create-index-function)
|
||
(make-local-variable 'imenu-create-index-function)
|
||
(setq imenu-create-index-function 'imenu-default-create-index-function)
|
||
;;Milan (this has problems with object methods...) ###### Does it? (Stefan)
|
||
(setq imenu-prev-index-position-function 'prolog-beginning-of-predicate)
|
||
(setq imenu-extract-index-name-function 'prolog-get-predspec)
|
||
|
||
(if (and prolog-imenu-flag
|
||
(< (count-lines (point-min) (point-max)) prolog-imenu-max-lines))
|
||
(imenu-add-to-menubar "Predicates"))
|
||
|
||
(easy-menu-add prolog-edit-menu-help))
|
||
|
||
(defun prolog-inferior-menu ()
|
||
"Creates the menus for the Prolog inferior buffer.
|
||
This menu is dynamically created because one may change systems during
|
||
the life of an Emacs session."
|
||
|
||
(easy-menu-define
|
||
prolog-inferior-menu-help (current-local-map)
|
||
"Help menu for the Prolog inferior mode."
|
||
(append
|
||
(if (eq prolog-emacs 'xemacs) '("Help") '("Prolog-help"))
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
'(["On predicate" prolog-help-on-predicate t]
|
||
"---"))
|
||
((eq prolog-system 'swi)
|
||
'(["On predicate" prolog-help-on-predicate t]
|
||
["Apropos" prolog-help-apropos t]
|
||
"---")))
|
||
'(["Describe mode" describe-mode t])))
|
||
|
||
(easy-menu-define
|
||
prolog-inferior-menu-all (current-local-map)
|
||
"Menu for the inferior Prolog buffer."
|
||
(append
|
||
;; menu name
|
||
(list (cond ((eq prolog-system 'eclipse)
|
||
"ECLiPSe")
|
||
((eq prolog-system 'mercury)
|
||
"Mercury")
|
||
(t
|
||
"Prolog")))
|
||
;; debug items, NIL for mercury
|
||
(cond
|
||
((eq prolog-system 'sicstus)
|
||
;; In SICStus, these are pairwise disjunctive,
|
||
;; so it's enough with one "off"-command
|
||
(if (prolog-atleast-version '(3 . 7))
|
||
(list "---"
|
||
["Debug" prolog-debug-on t]
|
||
["Trace" prolog-trace-on t]
|
||
["Zip" prolog-zip-on t]
|
||
["All debug off" prolog-debug-off t]
|
||
'("Source level debugging"
|
||
["Enable" prolog-enable-sicstus-sd t]
|
||
["Disable" prolog-disable-sicstus-sd t]))
|
||
(list "---"
|
||
["Debug" prolog-debug-on t]
|
||
["Trace" prolog-trace-on t]
|
||
["All debug off" prolog-debug-off t])))
|
||
((not (eq prolog-system 'mercury))
|
||
'("---"
|
||
["Debug" prolog-debug-on t]
|
||
["Debug off" prolog-debug-off t]
|
||
["Trace" prolog-trace-on t]
|
||
["Trace off" prolog-trace-off t]))
|
||
;; default (mercury) nil
|
||
)
|
||
;; runtime
|
||
'("---"
|
||
["Interrupt Prolog" comint-interrupt-subjob t]
|
||
["Quit Prolog" comint-quit-subjob t]
|
||
["Kill Prolog" comint-kill-subjob t])
|
||
))
|
||
|
||
(easy-menu-add prolog-inferior-menu-all)
|
||
(easy-menu-add prolog-inferior-menu-help))
|
||
|
||
(add-hook 'prolog-mode-hook 'prolog-menu)
|
||
(add-hook 'prolog-inferior-mode-hook 'prolog-inferior-menu)
|
||
|
||
(add-hook 'prolog-mode-hook '(lambda () (font-lock-mode 1)))
|
||
(add-hook 'prolog-inferior-mode-hook '(lambda () (font-lock-mode 1)))
|
||
|
||
|
||
(defun prolog-mode-version ()
|
||
"Echo the current version of Prolog mode in the minibuffer."
|
||
(interactive)
|
||
(message "Using Prolog mode version %s" prolog-mode-version))
|
||
|
||
(provide 'prolog)
|
||
|
||
;;; prolog.el ends here
|