Examples of csa.util.syntax.Syntax.Lexer.Lexer.reset()

csa.util.syntax.Syntax.Lexer.Lexer.reset()

Closes the current input stream, and resets the scanner to read from a new input stream. All internal variables are reset, the old input stream cannot be reused (content of the internal buffer is discarded and lost). The lexical state is set to the initial state. Subsequent tokens read from the lexer will start with the line, char, and column values given here. @param reader The new input. @param yyline The line number of the first token. @param yychar The position (relative to the start of the stream) of the first token. @param yycolumn The position (relative to the line) of the first token. @throws IOException if an IOExecption occurs while switching readers.

        // Reseting the lexer causes the close() method on
        // the reader
        // to be called but because the close() method has
        // no effect on the
        // DocumentReader, we can do this.
        syntaxLexer.reset(documentReader, 0, dpStart
            .getPosition(), 0);
        // After the lexer has been set up, scroll the
        // reader so that it
        // is in the correct spot as well.
        documentReader.seek(dpStart.getPosition());

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