public override bool Equals(object obj)
{
if (!base.Equals(obj))
{
return(false);
}
if (!(obj is UnaryExpression))
{
return(false);
}
IsNullFunction other = (IsNullFunction)obj;
if (!other.defaultExpr.Equals(defaultExpr))
{
return(false);
}
return(true);
}
/** the generated parser.
Maintains a state and a value stack, currently with fixed maximum size.
@param yyLex scanner.
@return result of the last reduction, if any.
@throws yyException on irrecoverable parse error.
*/
public Object yyparse (yyParser.yyInput yyLex)
{
if (yyMax <= 0) yyMax = 256; // initial size
int yyState = 0; // state stack ptr
int [] yyStates = new int[yyMax]; // state stack
Object yyVal = null; // value stack ptr
Object [] yyVals = new Object[yyMax]; // value stack
int yyToken = -1; // current input
int yyErrorFlag = 0; // #tks to shift
int yyTop = 0;
goto skip;
yyLoop:
yyTop++;
skip:
for (;; ++ yyTop) {
if (yyTop >= yyStates.Length) { // dynamically increase
int[] i = new int[yyStates.Length+yyMax];
yyStates.CopyTo (i, 0);
yyStates = i;
Object[] o = new Object[yyVals.Length+yyMax];
yyVals.CopyTo (o, 0);
yyVals = o;
}
yyStates[yyTop] = yyState;
yyVals[yyTop] = yyVal;
if (debug != null) debug.push(yyState, yyVal);
yyDiscarded: for (;;) { // discarding a token does not change stack
int yyN;
if ((yyN = yyDefRed[yyState]) == 0) { // else [default] reduce (yyN)
if (yyToken < 0) {
yyToken = yyLex.advance() ? yyLex.token() : 0;
if (debug != null)
debug.lex(yyState, yyToken, yyname(yyToken), yyLex.value());
}
if ((yyN = yySindex[yyState]) != 0 && ((yyN += yyToken) >= 0)
&& (yyN < yyTable.Length) && (yyCheck[yyN] == yyToken)) {
if (debug != null)
debug.shift(yyState, yyTable[yyN], yyErrorFlag-1);
yyState = yyTable[yyN]; // shift to yyN
yyVal = yyLex.value();
yyToken = -1;
if (yyErrorFlag > 0) -- yyErrorFlag;
goto yyLoop;
}
if ((yyN = yyRindex[yyState]) != 0 && (yyN += yyToken) >= 0
&& yyN < yyTable.Length && yyCheck[yyN] == yyToken)
yyN = yyTable[yyN]; // reduce (yyN)
else
switch (yyErrorFlag) {
case 0:
yyerror(String.Format ("syntax error, got token `{0}'", yyname (yyToken)), yyExpecting(yyState));
if (debug != null) debug.error("syntax error");
goto case 1;
case 1: case 2:
yyErrorFlag = 3;
do {
if ((yyN = yySindex[yyStates[yyTop]]) != 0
&& (yyN += Token.yyErrorCode) >= 0 && yyN < yyTable.Length
&& yyCheck[yyN] == Token.yyErrorCode) {
if (debug != null)
debug.shift(yyStates[yyTop], yyTable[yyN], 3);
yyState = yyTable[yyN];
yyVal = yyLex.value();
goto yyLoop;
}
if (debug != null) debug.pop(yyStates[yyTop]);
} while (-- yyTop >= 0);
if (debug != null) debug.reject();
throw new yyParser.yyException("irrecoverable syntax error");
case 3:
if (yyToken == 0) {
if (debug != null) debug.reject();
throw new yyParser.yyException("irrecoverable syntax error at end-of-file");
}
if (debug != null)
debug.discard(yyState, yyToken, yyname(yyToken),
yyLex.value());
yyToken = -1;
goto yyDiscarded; // leave stack alone
}
}
int yyV = yyTop + 1-yyLen[yyN];
if (debug != null)
debug.reduce(yyState, yyStates[yyV-1], yyN, yyRule[yyN], yyLen[yyN]);
yyVal = yyDefault(yyV > yyTop ? null : yyVals[yyV]);
switch (yyN) {
case 3:
#line 105 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = (IExpression)yyVals[-1+yyTop];
}
break;
case 4:
#line 109 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new BoolOperation (Operation.AND, (IExpression)yyVals[-2+yyTop], (IExpression)yyVals[0+yyTop]);
}
break;
case 5:
#line 113 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new BoolOperation (Operation.OR, (IExpression)yyVals[-2+yyTop], (IExpression)yyVals[0+yyTop]);
}
break;
case 6:
#line 117 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new Negation ((IExpression)yyVals[0+yyTop]);
}
break;
case 12:
#line 132 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new Comparison ((Operation)yyVals[-1+yyTop], (IExpression)yyVals[-2+yyTop], (IExpression)yyVals[0+yyTop]);
}
break;
case 13:
#line 138 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = Operation.EQ; }
break;
case 14:
#line 139 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = Operation.NE; }
break;
case 15:
#line 140 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = Operation.LT; }
break;
case 16:
#line 141 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = Operation.GT; }
break;
case 17:
#line 142 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = Operation.LE; }
break;
case 18:
#line 143 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = Operation.GE; }
break;
case 22:
#line 152 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = (IExpression)yyVals[-1+yyTop];
}
break;
case 23:
#line 156 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ArithmeticOperation (Operation.MUL, (IExpression)yyVals[-2+yyTop], (IExpression)yyVals[0+yyTop]);
}
break;
case 24:
#line 160 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ArithmeticOperation (Operation.DIV, (IExpression)yyVals[-2+yyTop], (IExpression)yyVals[0+yyTop]);
}
break;
case 25:
#line 164 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ArithmeticOperation (Operation.MOD, (IExpression)yyVals[-2+yyTop], (IExpression)yyVals[0+yyTop]);
}
break;
case 26:
#line 168 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ArithmeticOperation (Operation.ADD, (IExpression)yyVals[-2+yyTop], (IExpression)yyVals[0+yyTop]);
}
break;
case 27:
#line 172 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ArithmeticOperation (Operation.SUB, (IExpression)yyVals[-2+yyTop], (IExpression)yyVals[0+yyTop]);
}
break;
case 28:
#line 176 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new Negative ((IExpression)yyVals[0+yyTop]);
}
break;
case 33:
#line 189 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = new Literal (yyVals[0+yyTop]); }
break;
case 34:
#line 190 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = new Literal (yyVals[0+yyTop]); }
break;
case 35:
#line 191 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = new Literal (yyVals[0+yyTop]); }
break;
case 37:
#line 196 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = new Literal (true); }
break;
case 38:
#line 197 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = new Literal (false); }
break;
case 39:
#line 202 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ColumnReference ((string)yyVals[0+yyTop]);
}
break;
case 40:
#line 206 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ColumnReference (ReferencedTable.Parent, null, (string)yyVals[0+yyTop]);
}
break;
case 41:
#line 210 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ColumnReference (ReferencedTable.Parent, (string)yyVals[-3+yyTop], (string)yyVals[0+yyTop]);
}
break;
case 42:
#line 214 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ColumnReference (ReferencedTable.Child, null, (string)yyVals[0+yyTop]);
}
break;
case 43:
#line 218 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ColumnReference (ReferencedTable.Child, (string)yyVals[-3+yyTop], (string)yyVals[0+yyTop]);
}
break;
case 48:
#line 236 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new Aggregation (cacheAggregationResults, aggregationRows, (AggregationFunction)yyVals[-3+yyTop], (ColumnReference)yyVals[-1+yyTop]);
}
break;
case 49:
#line 242 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = AggregationFunction.Count; }
break;
case 50:
#line 243 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = AggregationFunction.Sum; }
break;
case 51:
#line 244 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = AggregationFunction.Avg; }
break;
case 52:
#line 245 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = AggregationFunction.Max; }
break;
case 53:
#line 246 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = AggregationFunction.Min; }
break;
case 54:
#line 247 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = AggregationFunction.StDev; }
break;
case 55:
#line 248 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = AggregationFunction.Var; }
break;
case 56:
#line 253 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new IifFunction ((IExpression)yyVals[-5+yyTop], (IExpression)yyVals[-3+yyTop], (IExpression)yyVals[-1+yyTop]);
}
break;
case 57:
#line 257 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
long arg1 = (long) yyVals[-3+yyTop];
long arg2 = (long) yyVals[-1+yyTop];
yyVal = new SubstringFunction ((IExpression)yyVals[-5+yyTop], (int) arg1, (int) arg2);
}
break;
case 58:
#line 263 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new IsNullFunction ((IExpression)yyVals[-3+yyTop], (IExpression)yyVals[-1+yyTop]);
}
break;
case 59:
#line 267 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new LenFunction ((IExpression)yyVals[-1+yyTop]);
}
break;
case 60:
#line 271 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new TrimFunction ((IExpression)yyVals[-1+yyTop]);
}
break;
case 61:
#line 275 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ConvertFunction ((IExpression)yyVals[-3+yyTop], (string)yyVals[-1+yyTop]);
}
break;
case 64:
#line 287 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new Comparison (Operation.EQ, (IExpression)yyVals[-2+yyTop], new Literal (null));
}
break;
case 65:
#line 291 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new Comparison (Operation.NE, (IExpression)yyVals[-3+yyTop], new Literal (null));
}
break;
case 66:
#line 298 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new Like ((IExpression)yyVals[-2+yyTop], (string)yyVals[0+yyTop]);
}
break;
case 67:
#line 302 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new Negation (new Like ((IExpression)yyVals[-3+yyTop], (string)yyVals[-1+yyTop]));
}
break;
case 68:
#line 309 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new In ((IExpression)yyVals[-2+yyTop], (IList)yyVals[0+yyTop]);
}
break;
case 69:
#line 313 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new Negation (new In ((IExpression)yyVals[-3+yyTop], (IList)yyVals[0+yyTop]));
}
break;
case 70:
#line 319 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{ yyVal = yyVals[-1+yyTop]; }
break;
case 71:
#line 324 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
yyVal = new ArrayList();
((IList)yyVal).Add (yyVals[0+yyTop]);
}
break;
case 72:
#line 329 "/home/jeff/dev/dev_apps/sand/qca_designer/lib/ml-pnet-0.8.1/mcs-sources/class/System.Data/Mono.Data.SqlExpressions/Parser.jay"
{
((IList)(yyVal = yyVals[-2+yyTop])).Add (yyVals[0+yyTop]);
}
break;
#line default
}
yyTop -= yyLen[yyN];
yyState = yyStates[yyTop];
int yyM = yyLhs[yyN];
if (yyState == 0 && yyM == 0) {
if (debug != null) debug.shift(0, yyFinal);
yyState = yyFinal;
if (yyToken < 0) {
yyToken = yyLex.advance() ? yyLex.token() : 0;
if (debug != null)
debug.lex(yyState, yyToken,yyname(yyToken), yyLex.value());
}
if (yyToken == 0) {
if (debug != null) debug.accept(yyVal);
return yyVal;
}
goto yyLoop;
}
if (((yyN = yyGindex[yyM]) != 0) && ((yyN += yyState) >= 0)
&& (yyN < yyTable.Length) && (yyCheck[yyN] == yyState))
yyState = yyTable[yyN];
else
yyState = yyDgoto[yyM];
if (debug != null) debug.shift(yyStates[yyTop], yyState);
goto yyLoop;
}
}
}
