query_string.nex

/\"((\\\")|(\\\\)|(\\\/)|(\\b)|(\\f)|(\\n)|(\\r)|(\\t)|(\\u[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F])|[^\"])*\"/     { 
                    lval.s = yylex.Text()[1:len(yylex.Text())-1]
                    logDebugTokens("PHRASE - %s", lval.s);
                    return tPHRASE 
              }
/\+/              { logDebugTokens("PLUS"); return tPLUS }
/-/               { logDebugTokens("MINUS"); return tMINUS }
/:/               { logDebugTokens("COLON"); return tCOLON }
/\^/               { logDebugTokens("BOOST"); return tBOOST }
/\(/              { logDebugTokens("LPAREN"); return tLPAREN }
/\)/              { logDebugTokens("RPAREN"); return tRPAREN }
/>/              { logDebugTokens("GREATER"); return tGREATER }
/</              { logDebugTokens("LESS"); return tLESS }
/=/              { logDebugTokens("EQUAL"); return tEQUAL }
/~([0-9]|[1-9][0-9]*)/
                  {
                    lval.s = yylex.Text()[1:]
                    logDebugTokens("TILDENUMBER - %s", lval.s);
                    return tTILDENUMBER
                  }
/~/              { logDebugTokens("TILDE"); return tTILDE }
/-?([0-9]|[1-9][0-9]*)(\.[0-9][0-9]*)?/
                  { 
                    lval.s = yylex.Text()
                    logDebugTokens("NUMBER - %s", lval.s);
                    return tNUMBER
                  }
/[ \t\n]+/        { logDebugTokens("WHITESPACE (count=%d)", len(yylex.Text())) /* eat up whitespace */ }
/[^\t\n\f\r :^\+\-><=~][^\t\n\f\r :^~]*/           {
                    lval.s = yylex.Text()
                    logDebugTokens("STRING - %s", lval.s);
                    return tSTRING 
                  }
//
package bleve

func logDebugTokens(format string, v ...interface{}) {
    if debugLexer {
        logger.Printf(format, v...)
    }
}