---------------------------------------------------------------------------- -- -- Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). -- Contact: http://www.qt-project.org/legal -- -- This file is part of the QtCore module of the Qt Toolkit. -- -- $QT_BEGIN_LICENSE:LGPL$ -- Commercial License Usage -- Licensees holding valid commercial Qt licenses may use this file in -- accordance with the commercial license agreement provided with the -- Software or, alternatively, in accordance with the terms contained in -- a written agreement between you and Digia. For licensing terms and -- conditions see http://qt.digia.com/licensing. For further information -- use the contact form at http://qt.digia.com/contact-us. -- -- GNU Lesser General Public License Usage -- Alternatively, this file may be used under the terms of the GNU Lesser -- General Public License version 2.1 as published by the Free Software -- Foundation and appearing in the file LICENSE.LGPL included in the -- packaging of this file. Please review the following information to -- ensure the GNU Lesser General Public License version 2.1 requirements -- will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -- -- In addition, as a special exception, Digia gives you certain additional -- rights. These rights are described in the Digia Qt LGPL Exception -- version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -- -- GNU General Public License Usage -- Alternatively, this file may be used under the terms of the GNU -- General Public License version 3.0 as published by the Free Software -- Foundation and appearing in the file LICENSE.GPL included in the -- packaging of this file. Please review the following information to -- ensure the GNU General Public License version 3.0 requirements will be -- met: http://www.gnu.org/copyleft/gpl.html. -- -- -- $QT_END_LICENSE$ -- ---------------------------------------------------------------------------- -- lambda calculus %decl lambda.h %token LPAREN %token RPAREN %token ID %token FUN %token DOT %nonassoc SHIFT_THERE %nonassoc LPAREN RPAREN ID FUN DOT %nonassoc REDUCE_HERE %start Expr /: enum { :/ Expr ::= ID %prec SHIFT_THERE ; /: Symbol = $rule_number, :/ Expr ::= LPAREN Expr RPAREN %prec SHIFT_THERE ; /: SubExpression = $rule_number, :/ Expr ::= Expr Expr %prec REDUCE_HERE ; /: Appl = $rule_number, :/ Expr ::= FUN ID DOT Expr %prec SHIFT_THERE ; /: Abstr = $rule_number, :/ /:}; :/