/// Spart License (zlib/png)
/// Copyright (c) 2003 Jonathan de Halleux
/// This software is provided 'as-is', without any express or implied warranty.
/// In no event will the authors be held liable for any damages arising from
/// the use of this software.
/// Permission is granted to anyone to use this software for any purpose,
/// including commercial applications, and to alter it and redistribute it
/// freely, subject to the following restrictions:
/// 1. The origin of this software must not be misrepresented; you must not
/// claim that you wrote the original software. If you use this software in a
/// product, an acknowledgment in the product documentation would be
/// appreciated but is not required.
/// 2. Altered source versions must be plainly marked as such, and must not be
/// misrepresented as being the original software.
/// 3. This notice may not be removed or altered from any source distribution.
/// Author: Jonathan de Halleuxnamespace Spart.Parsers.Composite
public class SequenceParser : BinaryTerminalParser
public SequenceParser(Parser first, Parser second)
public override ParserMatch ParseMain(IScanner scanner)
// save scanner state
long offset = scanner.Offset;
// apply the first parser
ParserMatch m = FirstParser.Parse( scanner );
// if m1 successful, do m2
ParserMatch m2 = SecondParser.Parse( scanner );
m = scanner.NoMatch;
// restoring parser failed, rewind scanner
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Jonathan de Halleux is Civil Engineer in Applied Mathematics. He finished his PhD in 2004 in the rainy country of Belgium. After 2 years in the Common Language Runtime (i.e. .net), he is now working at Microsoft Research on Pex (http://research.microsoft.com/pex).