PerCederberg.Grammatica.Runtime
Class TokenRegExpParser

System.Object
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   +--TokenRegExpParser

internal class TokenRegExpParser

extends System.Object

A regular expression parser. The parser creates an NFA for the regular expression having a single start and acceptance states.

Since:

1.5

end

 internal NFAState end;

The end NFA state for this regular expression.

start

 internal NFAState start;

The start NFA state for this regular expression.

TokenRegExpParser

public TokenRegExpParser( string pattern );

Creates a new case-sensitive regular expression parser. Note that this will trigger the parsing of the regular expression.

Parameters:

pattern - the regular expression pattern

Throws:

RegExpException - if the regular expression couldn't be parsed correctly

TokenRegExpParser

public TokenRegExpParser( string pattern, bool ignoreCase );

Creates a new regular expression parser. The regular expression can be either case-sensitive or case-insensitive. Note that this will trigger the parsing of the regular expression.

Parameters:

pattern - the regular expression pattern

ignoreCase - the character case ignore flag

Throws:

RegExpException - if the regular expression couldn't be parsed correctly

GetDebugInfo

public string GetDebugInfo();

Returns the debug information for the generated NFA.

Returns:

the debug information for the generated NFA