107 lines
4.8 KiB
Common Lisp
107 lines
4.8 KiB
Common Lisp
;; cli.lisp -- Command line interface entry point and option parsing
|
|
;; Copyright (C) 2024 Alexander Rosenberg
|
|
;;
|
|
;; This program is free software: you can redistribute it and/or modify
|
|
;; it under the terms of the GNU General Public License as published by
|
|
;; the Free Software Foundation, either version 3 of the License, or
|
|
;; (at your option) any later version.
|
|
;;
|
|
;; This program is distributed in the hope that it will be useful,
|
|
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;; GNU General Public License for more details.
|
|
;;
|
|
;; You should have received a copy of the GNU General Public License
|
|
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
(defpackage #:truth-table/cli
|
|
(:use #:common-lisp #:truth-table/base
|
|
#:truth-table/args)
|
|
(:export #:toplevel #:main))
|
|
|
|
(in-package :truth-table/cli)
|
|
|
|
(defun eval-and-typeset-propositions (prop-strs &key (format "unicode")
|
|
(implicit-and t)
|
|
multi-char-names
|
|
include-intermediate
|
|
(include-vars t))
|
|
"Evaluate and then typeset PROP-STRS as a table, which is a list of
|
|
proposition strings. For a description of the key parameters, see each of the
|
|
functions involved in evaluating and typesetting."
|
|
(loop with vars = '()
|
|
for prop-str in prop-strs
|
|
for (parsed-exp parsed-vars)
|
|
= (multiple-value-list
|
|
(parse-proposition-string prop-str
|
|
:implicit-and implicit-and
|
|
:multi-char-names multi-char-names))
|
|
collect parsed-exp into exps
|
|
do (dolist (var parsed-vars)
|
|
(unless (member var vars :test 'equal)
|
|
(setq vars (nconc vars (list var)))))
|
|
finally
|
|
(let ((table (create-combined-truth-table
|
|
exps vars
|
|
:include-intermediate include-intermediate
|
|
:include-vars include-vars)))
|
|
(return (typeset-table-to-format table format)))))
|
|
|
|
(defparameter *command-line-spec*
|
|
'((#\h "help" help nil "print this message, then exit")
|
|
(#\f "format" format t
|
|
"specify the output format (*unicode*, ascii, latex, or html)")
|
|
(#\s "subexps" subexps nil "include sub-expressions in the output table")
|
|
(#\n "no-vars" no-vars nil "do not include variables in the output table")
|
|
(#\m "multi-char" multi-char nil "allow multi-character variable names")
|
|
(#\i "no-implicit" no-implicit nil "do not use implicit 'and' operations"))
|
|
"Specification for `parse-command-line'. This is of the format:
|
|
(short long symbol has-arg-p desc).")
|
|
|
|
(defun main (argv)
|
|
"The main entry point to the program. ARGV is the list of command line
|
|
arguments."
|
|
(let ((cmdline-error nil))
|
|
(handler-bind
|
|
(((or proposition-parse-error proposition-eval-error
|
|
table-format-error)
|
|
(lambda (c)
|
|
(format *error-output* "error: ~a~%" c)
|
|
(uiop:quit 1)))
|
|
(command-line-error
|
|
(lambda (c) ;; finish parsing command line before exiting
|
|
(format *error-output* "error: ~a~%" c)
|
|
(setq cmdline-error t)
|
|
(continue))))
|
|
(destructuring-bind ((&rest prop-strs) &rest opts)
|
|
(parse-command-line *command-line-spec* argv)
|
|
(cond
|
|
((option-value 'help opts)
|
|
(print-usage t *command-line-spec* "truth-table"
|
|
:general-args "<propositions...>")
|
|
(uiop:quit (if cmdline-error 1 0)))
|
|
((null prop-strs)
|
|
(cerror *cli-parse-continue-string* 'no-input-error))
|
|
(cmdline-error
|
|
(format *error-output* "Try -h or --help for more information.~%")
|
|
(uiop:quit 1))
|
|
(t
|
|
(let ((format (option-value 'format opts)))
|
|
(when (or (not format) (zerop (length format)))
|
|
(setq format "unicode"))
|
|
(princ (eval-and-typeset-propositions
|
|
prop-strs :format format
|
|
:implicit-and (not (option-value 'no-implicit opts))
|
|
:multi-char-names (option-value 'multi-char opts)
|
|
:include-vars (not (option-value 'no-vars opts))
|
|
:include-intermediate (option-value 'subexps opts)))
|
|
(terpri))))))))
|
|
|
|
(defun toplevel ()
|
|
"Top-level function to be passed to `save-lisp-and-die'."
|
|
(handler-case
|
|
(with-user-abort:with-user-abort
|
|
(main (uiop:command-line-arguments)))
|
|
(with-user-abort:user-abort ()
|
|
(format *error-output* "Keyboard interrupt~%")
|
|
(uiop:quit 1))))
|