| AbstractCharStream | 
 An implementation of interface CharStream, where the stream is assumed to
 contain only ASCII characters (without unicode processing). 
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| CharStream | 
 This interface describes a character stream that maintains line and
 column number positions of the characters. 
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| JavaCharStream | 
 An implementation of interface CharStream, where the stream is assumed to
 contain only ASCII characters (with java-like unicode escape processing). 
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| ParseException | 
 This exception is thrown when parse errors are encountered. 
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| SPARQLExtParserBase | 
 Class that extends the ARQ SPARQL Parser class with the operations for SPARQL
 Generate. 
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| SPARQLExtParserConstants | 
 Token literal values and constants. 
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| SPARQLExtParserTokenManager | 
 Token Manager. 
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| Token | 
 Describes the input token stream. 
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