---------------------------------------------------------------------------- -- -- Copyright (C) 2016 The Qt Company Ltd. -- Contact: https://www.qt.io/licensing/ -- -- This file is part of the QtCore module of the Qt Toolkit. -- -- $QT_BEGIN_LICENSE:GPL-EXCEPT$ -- 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 The Qt Company. For licensing terms -- and conditions see https://www.qt.io/terms-conditions. For further -- information use the contact form at https://www.qt.io/contact-us. -- -- GNU General Public License Usage -- Alternatively, this file may be used under the terms of the GNU -- General Public License version 3 as published by the Free Software -- Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -- included in the packaging of this file. Please review the following -- information to ensure the GNU General Public License requirements will -- be met: https://www.gnu.org/licenses/gpl-3.0.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, :/ /:}; :/