/**
 * The MIT License (MIT)
 * 
 * Copyright (c) 2015 Camil Staps
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
module LogicParser

import StdEnv, StdMaybe, ArgEnv, Logic

Start
| isEmpty exprs = abort ("Usage: " +++ argv.[0] +++ " [-e] [-html|-latex] <string> [<string> ..]\n")
| length (removeDup (foldr (++) [] (map all_atoms exprs))) > 8 = abort "You don't need more than 8 atomic expressions."
| otherwise = show outputoption (compute (if extended truthtable_n simple_truthtable_n exprs))
where
	argc = size argv - 1
	argv = getCommandLine

	exprs = map parse (filter (\s . s.[0] <> '-') [argv.[n] \\ n <- [1..argc]])

	extended = hasArg "-e"
	outputoption
	| hasArg "-html" = Html
	| hasArg "-latex" = LaTeX
	| otherwise = Plain
	hasArg arg = or [arg == argv.[n] \\ n <- [0..argc]]