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ID: 18034, Lexical analyzer and C++ text scanner

by Vadim Komine Email: Anonymous

The C++ scanner is the example of using the lexical analyzer, which is defined by the regular expression set and is created at runtime.
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For C++Builder, Version 3.0  to 6.0 1292 downloads
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Size: 29,072 bytes
Updated on Fri, 28 Feb 2003 04:17:17 GMT
Originally uploaded on Tue, 14 May 2002 04:50:28 GMT
SHA1 Hash: BC4921D6A186F791509E92800DF886227B9B66BC
MD5 Hash: F059AD47A785A979FCC405442BC1ABFD

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This lexical analyzer use DFAs (Deterministic Finite Automata) to match tokens found on the character input stream. DFAs are defined by the set of regular expressions and are created at runtime. More than one automaton (lexical class, lexical tree) may be defined.
Actions attached to regular expressions (which are executed when that expression has been matched on the input stream) may switch from one lexical class to another.
The C++ text scanner is the example of using the lexical analyzer.

For more information, see

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