40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
#=======================================================================
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#
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# Python Lexical Analyser
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#
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#=======================================================================
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"""
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The Plex module provides lexical analysers with similar capabilities
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to GNU Flex. The following classes and functions are exported;
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see the attached docstrings for more information.
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Scanner For scanning a character stream under the
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direction of a Lexicon.
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Lexicon For constructing a lexical definition
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to be used by a Scanner.
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Str, Any, AnyBut, AnyChar, Seq, Alt, Opt, Rep, Rep1,
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Bol, Eol, Eof, Empty
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Regular expression constructors, for building pattern
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definitions for a Lexicon.
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State For defining scanner states when creating a
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Lexicon.
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TEXT, IGNORE, Begin
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Actions for associating with patterns when
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creating a Lexicon.
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"""
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from __future__ import absolute_import
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from .Actions import TEXT, IGNORE, Begin
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from .Lexicons import Lexicon, State
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from .Regexps import RE, Seq, Alt, Rep1, Empty, Str, Any, AnyBut, AnyChar, Range
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from .Regexps import Opt, Rep, Bol, Eol, Eof, Case, NoCase
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from .Scanners import Scanner
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