senseparser.java

tinyos最新版

		public String errorMsg = "no errors";
	
	private boolean errorSet = false;
	
	public void report_error(String message, Object info) {
		Symbol cur_token = (Symbol) info;
		
		//System.out.println("errorMsg = " + errorMsg);
		//System.out.println("cur_token.sym = " + cur_token.sym);
		
		
		if (message.equals("Syntax error")) {
			if (cur_token.sym == 0)
				errorMsg = "Bad Syntax - Possibly missing clause";
			else
				errorMsg = "Syntax error at " + cur_token.value;
			errorSet = true;
		}
		
		if (!errorSet) {
			errorMsg = "Can't parse query string";
		}
		
		System.out.println("errorMsg = " + errorMsg);
	}
	
	public void syntax_error(Symbol cur_token) {
		report_error("Syntax error", cur_token);
	}
	
	
	
}

/** Cup generated class to encapsulate user supplied action code.*/
class CUP$senseParser$actions {


		byte queryId = 1;
	int epochDur = 1024;
	TinyDBQuery tinyDBQuery = new TinyDBQuery(queryId, epochDur);
	
	Vector aggFields = new Vector();
	Vector selList = new Vector();
	HashMap fields = new HashMap();
	Vector conds = new Vector();
	Vector eventParams = new Vector();
	short fieldIndex = 0;
	short groupIdx = -1;
	String catalogTableName = null;
	
	Catalog catalog = Catalog.curCatalog;
	
	class ArithExpressionClass {
	    String fieldOp;
	    short fieldConstant;
	    FieldInfo finf;
	    boolean isAttr;
	}
	
	class AggField {
	    AggOp fieldOp;
	    ArithExpressionClass fieldData;
	}
	
	class FieldInfo {
	    boolean isAgg;
	    AggField af;
	    QueryField qf;
	}
	
	class SelStmt {
	    SelOp op;
	    ArithExpressionClass aexp;
	    short c;
		short c2;
		short c3;
	    String s;
	}
	
	public QueryField getQueryField(String column, byte aggOp, short fid) {
	    QueryField qf = null;
	    String hashKey = column + aggOp;
		
	    if (fields.get(hashKey) == null) {
			//we can't verify that this is a valid query field just yet,
			//since we don't know the source table
			qf = new QueryField(column, QueryField.UNKNOWN_TYPE);
			
			qf.setIdx(fid);
			qf.setOp(aggOp);
			fields.put(hashKey, qf);
			//System.out.println("ADDED FIELD : " + column);
			//tinyDBQuery.addField(qf);
	    } else qf = (QueryField) fields.get(hashKey);
	    return qf;
	}
	
	public QueryField getQueryField(String column, byte aggOp) {
	    String hashKey = column + aggOp;
	    if (fields.get(hashKey) != null)
			return ((QueryField)fields.get(hashKey));
	    else
			return getQueryField(column, aggOp, fieldIndex++);
	}
	
	public short removeField(String name, byte aggOp) {
	    String hashKey = name + aggOp;
	    //System.out.println("IN REMOVEFIELD: " + name + "  ,OP  " + aggOp);
	    QueryField qf = (QueryField)fields.get(hashKey);
	    if (qf != null) {
			fields.remove(hashKey);
			return qf.getIdx();
	    }
	    else return 0xFF;
	}
	
	public boolean validEpochDur(int epochDur) {
	    return (epochDur > 64 && epochDur < 700000);
	}
	
	
  private final senseParser parser;

  /** Constructor */
  CUP$senseParser$actions(senseParser parser) {
    this.parser = parser;
  }

  /** Method with the actual generated action code. */
  public final java_cup.runtime.Symbol CUP$senseParser$do_action(
    int                        CUP$senseParser$act_num,
    java_cup.runtime.lr_parser CUP$senseParser$parser,
    java.util.Stack            CUP$senseParser$stack,
    int                        CUP$senseParser$top)
    throws java.lang.Exception
    {
      /* Symbol object for return from actions */
      java_cup.runtime.Symbol CUP$senseParser$result;

      /* select the action based on the action number */
      switch (CUP$senseParser$act_num)
        {
          /*. . . . . . . . . . . . . . . . . . . .*/
          case 65: // arith_expr ::= attr 
            {
              Object RESULT = null;
		int aleft = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).left;
		int aright = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).right;
		FieldInfo a = (FieldInfo)((java_cup.runtime.Symbol) CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).value;
		
		// e.g. light
		ArithExpressionClass exp = new ArithExpressionClass();
	exp.isAttr = true;
	exp.finf = a;
	RESULT = exp;
	
              CUP$senseParser$result = new java_cup.runtime.Symbol(18/*arith_expr*/, ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).left, ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).right, RESULT);
            }
          return CUP$senseParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 64: // arith_expr ::= LPAREN attr ARITHMETIC_OP CONSTANT RPAREN 
            {
              Object RESULT = null;
		int aleft = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-3)).left;
		int aright = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-3)).right;
		FieldInfo a = (FieldInfo)((java_cup.runtime.Symbol) CUP$senseParser$stack.elementAt(CUP$senseParser$top-3)).value;
		int arithOpleft = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-2)).left;
		int arithOpright = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-2)).right;
		String arithOp = (String)((java_cup.runtime.Symbol) CUP$senseParser$stack.elementAt(CUP$senseParser$top-2)).value;
		int arithConstleft = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-1)).left;
		int arithConstright = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-1)).right;
		Integer arithConst = (Integer)((java_cup.runtime.Symbol) CUP$senseParser$stack.elementAt(CUP$senseParser$top-1)).value;
		
		// e.g. (light * 20)
		ArithExpressionClass exp = new ArithExpressionClass();
	
	//if (a.qf.getType() == QueryField.STRING) {
	//    SensorQueryer.errorMessage = "Arithmetic operations not supported on STRING fields";
	//
	//    return null;
	//}
	
	exp.finf = a;
	exp.fieldOp = arithOp;
	exp.fieldConstant = arithConst.shortValue();
	exp.isAttr = false;
	RESULT = exp;
	
              CUP$senseParser$result = new java_cup.runtime.Symbol(18/*arith_expr*/, ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-4)).left, ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).right, RESULT);
            }
          return CUP$senseParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 63: // arith_expr ::= attr ARITHMETIC_OP CONSTANT 
            {
              Object RESULT = null;
		int aleft = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-2)).left;
		int aright = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-2)).right;
		FieldInfo a = (FieldInfo)((java_cup.runtime.Symbol) CUP$senseParser$stack.elementAt(CUP$senseParser$top-2)).value;
		int arithOpleft = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-1)).left;
		int arithOpright = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-1)).right;
		String arithOp = (String)((java_cup.runtime.Symbol) CUP$senseParser$stack.elementAt(CUP$senseParser$top-1)).value;
		int arithConstleft = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).left;
		int arithConstright = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).right;
		Integer arithConst = (Integer)((java_cup.runtime.Symbol) CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).value;
		
		// e.g. light * 20
		ArithExpressionClass exp = new ArithExpressionClass();
	
	//if (a.qf.getType() == QueryField.STRING) {
	//    SensorQueryer.errorMessage = "Arithmetic operations not supported on STRING fields";
	//    return null;
	//}
	exp.finf = a;
	exp.fieldOp = arithOp;
	exp.fieldConstant = arithConst.shortValue();
	exp.isAttr = false;
	RESULT = exp;
	
              CUP$senseParser$result = new java_cup.runtime.Symbol(18/*arith_expr*/, ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-2)).left, ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).right, RESULT);
            }
          return CUP$senseParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 62: // action_stat ::= 
            {
              Object RESULT = null;
		 
              CUP$senseParser$result = new java_cup.runtime.Symbol(16/*action_stat*/, ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).right, ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).right, RESULT);
            }
          return CUP$senseParser$result;

          /*. . . . . . . . . . . . . . . . . . . .*/
          case 61: // action_stat ::= ACTION NAME LPAREN CONSTANT RPAREN 
            {
              Object RESULT = null;
		int nleft = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-3)).left;
		int nright = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-3)).right;
		String n = (String)((java_cup.runtime.Symbol) CUP$senseParser$stack.elementAt(CUP$senseParser$top-3)).value;
		int cleft = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-1)).left;
		int cright = ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-1)).right;
		Integer c = (Integer)((java_cup.runtime.Symbol) CUP$senseParser$stack.elementAt(CUP$senseParser$top-1)).value;
		
		//System.out.println("NAME: " + n);
		tinyDBQuery.setOutputCommand(n, c.shortValue());
	
              CUP$senseParser$result = new java_cup.runtime.Symbol(16/*action_stat*/, ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-4)).left, ((java_cup.runtime.Symbol)CUP$senseParser$stack.elementAt(CUP$senseParser$top-0)).right, RESULT);
            }
          return CUP$senseParser$result;