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// bsn GoldParser .NET Engine
// --------------------------
//
// Copyright 2009, 2010 by Ars�ne von Wyss - avw@gmx.ch
//
// Development has been supported by Sirius Technologies AG, Basel
//
// Source:
//
// https://bsn-goldparser.googlecode.com/hg/
//
// License:
//
// The library is distributed under the GNU Lesser General Public License:
// http://www.gnu.org/licenses/lgpl.html
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
using System;
using bsn.GoldParser.Grammar;
using bsn.GoldParser.Parser;
namespace bsn.GoldParser.Semantic {
public abstract class RuleAttributeBase: Attribute {
private readonly Reduction parsedRule;
// This gets rid of the CLS compliance warning without introducing a security problem by inherited attributes
protected RuleAttributeBase() {
throw new NotSupportedException("This class is not intended to be inherited");
}
internal RuleAttributeBase(string rule) {
if (string.IsNullOrEmpty(rule)) {
throw new ArgumentNullException("rule");
}
if (!RuleDeclarationParser.TryParse(rule, out parsedRule)) {
throw new ArgumentException(string.Format("The rule {0} contains a syntax error", rule), "rule");
}
}
public string Rule {
get {
return parsedRule.ToString();
}
}
internal Reduction ParsedRule {
get {
return parsedRule;
}
}
public Rule Bind(CompiledGrammar grammar) {
if (grammar == null) {
throw new ArgumentNullException("grammar");
}
Rule rule;
RuleDeclarationParser.TryBindGrammar(parsedRule, grammar, out rule);
return rule;
}
}
}
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