public static CodegenExpression Codegen(
EnumWhereEventsForge forge,
EnumForgeCodegenParams args,
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var scope = new ExprForgeCodegenSymbol(false, null);
var methodNode = codegenMethodScope
.MakeChildWithScope(
typeof(FlexCollection),
typeof(EnumWhereEventsForgeEval),
scope,
codegenClassScope)
.AddParam(EnumForgeCodegenNames.PARAMS);
var block = methodNode.Block
.IfCondition(ExprDotMethod(EnumForgeCodegenNames.REF_ENUMCOLL, "IsEmpty"))
.BlockReturn(EnumValue(typeof(FlexCollection), "Empty"));
block.DeclareVar<ArrayDeque<EventBean>>("result", NewInstance(typeof(ArrayDeque<EventBean>)));
var forEach = block
.ForEach(typeof(EventBean), "next", EnumForgeCodegenNames.REF_ENUMCOLL)
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(forge.StreamNumLambda), Ref("next"));
CodegenLegoBooleanExpression.CodegenContinueIfNotNullAndNotPass(
forEach,
forge.InnerExpression.EvaluationType,
forge.InnerExpression.EvaluateCodegen(typeof(bool?), methodNode, scope, codegenClassScope));
forEach.Expression(ExprDotMethod(Ref("result"), "Add", Ref("next")));
block.MethodReturn(FlexWrap(Ref("result")));
return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx);
}
public static void InitBlockSizeOneEventPlus(
int numParameters,
CodegenBlock block,
CodegenExpression innerValue,
int streamNumLambda,
Type evaluationType)
{
var blockSingle = block
.IfCondition(EqualsIdentity(ExprDotName(EnumForgeCodegenNames.REF_ENUMCOLL, "Count"), Constant(1)))
.DeclareVar <EventBean>("item", Cast(typeof(EventBean), ExprDotMethodChain(EnumForgeCodegenNames.REF_ENUMCOLL).Add("First")))
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(streamNumLambda), Ref("item"))
.AssignArrayElement("props", Constant(0), Constant(0));
if (numParameters > 2)
{
blockSingle.AssignArrayElement("props", Constant(1), Constant(1));
}
block.DebugStack();
CodegenLegoBooleanExpression.CodegenReturnValueIfNotNullAndNotPass(
blockSingle,
evaluationType,
innerValue,
EnumValue(typeof(FlexCollection), "Empty"));
blockSingle.BlockReturn(
FlexWrap(StaticMethod(typeof(Collections), "SingletonList", Ref("item"))));
block.DeclareVar <ArrayDeque <EventBean> >("result", NewInstance <ArrayDeque <EventBean> >());
}
public CodegenExpression EvaluateCodegen(
CodegenMethodScope parent,
ExprSubselectEvalMatchSymbol symbols,
CodegenClassScope classScope)
{
var method = parent.MakeChild(subselect.EvaluationType, GetType(), classScope);
var havingMethod = CodegenLegoMethodExpression.CodegenExpression(subselect.HavingExpr, method, classScope, true);
CodegenExpression having = LocalMethod(
havingMethod,
REF_EVENTS_SHIFTED,
symbols.GetAddIsNewData(method),
symbols.GetAddExprEvalCtx(method));
method.Block.ApplyTri(DECLARE_EVENTS_SHIFTED, method, symbols);
CodegenLegoBooleanExpression.CodegenReturnValueIfNotNullAndNotPass(
method.Block,
typeof(bool?),
having,
ConstantNull());
if (subselect.SelectClause.Length == 1) {
var eval = CodegenLegoMethodExpression.CodegenExpression(subselect.SelectClause[0].Forge, method, classScope, true);
method.Block.MethodReturn(
LocalMethod(eval, REF_EVENTS_SHIFTED, ConstantTrue(), symbols.GetAddExprEvalCtx(method)));
}
else {
method.Block.MethodReturn(LocalMethod(subselect.EvaluateRowCodegen(method, classScope)));
}
return LocalMethod(method);
}
public static CodegenExpression Codegen(
EnumTakeWhileScalarForge forge,
EnumForgeCodegenParams args,
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var typeMember = codegenClassScope.AddDefaultFieldUnshared(
true,
typeof(ObjectArrayEventType),
Cast(
typeof(ObjectArrayEventType),
EventTypeUtility.ResolveTypeCodegen(forge.type, EPStatementInitServicesConstants.REF)));
var scope = new ExprForgeCodegenSymbol(false, null);
var methodNode = codegenMethodScope
.MakeChildWithScope(
typeof(FlexCollection),
typeof(EnumTakeWhileScalarForgeEval),
scope,
codegenClassScope)
.AddParam(EnumForgeCodegenNames.PARAMS);
var innerValue = forge.InnerExpression.EvaluateCodegen(
typeof(bool?),
methodNode,
scope,
codegenClassScope);
var block = methodNode.Block
.IfCondition(ExprDotMethod(EnumForgeCodegenNames.REF_ENUMCOLL, "IsEmpty"))
.BlockReturn(EnumForgeCodegenNames.REF_ENUMCOLL);
block.DeclareVar<ObjectArrayEventBean>(
"evalEvent",
NewInstance<ObjectArrayEventBean>(NewArrayByLength(typeof(object), Constant(1)), typeMember))
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(forge.StreamNumLambda), Ref("evalEvent"))
.DeclareVar<object[]>("props", ExprDotName(Ref("evalEvent"), "Properties"));
var blockSingle = block
.IfCondition(EqualsIdentity(ExprDotName(EnumForgeCodegenNames.REF_ENUMCOLL, "Count"), Constant(1)))
.DeclareVar<object>(
"item",
ExprDotMethodChain(EnumForgeCodegenNames.REF_ENUMCOLL).Add("First"))
.AssignArrayElement("props", Constant(0), Ref("item"));
CodegenLegoBooleanExpression.CodegenReturnValueIfNotNullAndNotPass(
blockSingle,
forge.InnerExpression.EvaluationType,
innerValue,
FlexEmpty());
blockSingle.BlockReturn(FlexValue(Ref("item")));
block.DeclareVar<ArrayDeque<object>>("result", NewInstance(typeof(ArrayDeque<object>)));
var forEach = block.ForEach(typeof(object), "next", EnumForgeCodegenNames.REF_ENUMCOLL)
.AssignArrayElement("props", Constant(0), Ref("next"));
CodegenLegoBooleanExpression.CodegenBreakIfNotNullAndNotPass(
forEach,
forge.InnerExpression.EvaluationType,
innerValue);
forEach.Expression(ExprDotMethod(Ref("result"), "Add", Ref("next")));
block.MethodReturn(FlexWrap(Ref("result")));
return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx);
}
public override void InitBlock(
CodegenBlock block,
CodegenMethod methodNode,
ExprForgeCodegenSymbol scope,
CodegenClassScope codegenClassScope)
{
innerValue = InnerExpression.EvaluateCodegen(typeof(bool?), methodNode, scope, codegenClassScope);
EnumTakeWhileHelper.InitBlockSizeOneScalar(numParameters, block, innerValue, InnerExpression.EvaluationType);
block.DeclareVar(
typeof(object[]),
"all",
StaticMethod(typeof(EnumTakeWhileHelper), "TakeWhileLastScalarToArray", EnumForgeCodegenNames.REF_ENUMCOLL));
var forEach = block.ForLoop(
typeof(int),
"i",
Op(ArrayLength(Ref("all")), "-", Constant(1)),
Relational(Ref("i"), GE, Constant(0)),
DecrementRef("i"))
.AssignArrayElement("props", Constant(0), ArrayAtIndex(Ref("all"), Ref("i")));
if (numParameters >= 2)
{
forEach.IncrementRef("count")
.AssignArrayElement("props", Constant(1), Ref("count"));
}
CodegenLegoBooleanExpression.CodegenBreakIfNotNullAndNotPass(forEach, InnerExpression.EvaluationType, innerValue);
forEach.Expression(ExprDotMethod(Ref("result"), "AddFirst", ArrayAtIndex(Ref("all"), Ref("i"))));
}
public static CodegenExpression Codegen(
EnumAllOfEventsForge forge,
EnumForgeCodegenParams args,
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var scope = new ExprForgeCodegenSymbol(false, null);
var methodNode = codegenMethodScope.MakeChildWithScope(
typeof(bool),
typeof(EnumAllOfEventsForgeEval),
scope,
codegenClassScope)
.AddParam(EnumForgeCodegenNames.PARAMS);
var block = methodNode.Block;
block.IfConditionReturnConst(ExprDotMethod(EnumForgeCodegenNames.REF_ENUMCOLL, "IsEmpty"), true);
var forEach = block.ForEach(typeof(EventBean), "next", EnumForgeCodegenNames.REF_ENUMCOLL)
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(forge.StreamNumLambda), Ref("next"));
CodegenLegoBooleanExpression.CodegenReturnBoolIfNullOrBool(
forEach,
forge.InnerExpression.EvaluationType,
forge.InnerExpression.EvaluateCodegen(typeof(bool?), methodNode, scope, codegenClassScope),
true,
false,
false,
false);
block.MethodReturn(ConstantTrue());
return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx);
}
public static CodegenExpression Codegen(
EnumCountOfSelectorScalarForge forge,
EnumForgeCodegenParams args,
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var typeMember = codegenClassScope.AddDefaultFieldUnshared(
true,
typeof(ObjectArrayEventType),
Cast(
typeof(ObjectArrayEventType),
EventTypeUtility.ResolveTypeCodegen(forge.type, EPStatementInitServicesConstants.REF)));
var scope = new ExprForgeCodegenSymbol(false, null);
var methodNode = codegenMethodScope
.MakeChildWithScope(typeof(int), typeof(EnumCountOfSelectorScalarForgeEval), scope, codegenClassScope)
.AddParam(EnumForgeCodegenNames.PARAMS);
var block = methodNode.Block
.DeclareVar<int>("count", Constant(0))
.DeclareVar<ObjectArrayEventBean>(
"evalEvent",
NewInstance<ObjectArrayEventBean>(NewArrayByLength(typeof(object), Constant(1)), typeMember))
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(forge.StreamNumLambda), Ref("evalEvent"))
.DeclareVar<object[]>("props", ExprDotName(Ref("evalEvent"), "Properties"));
var forEach = block.ForEach(typeof(object), "next", EnumForgeCodegenNames.REF_ENUMCOLL)
.AssignArrayElement(Ref("props"), Constant(0), Ref("next"));
CodegenLegoBooleanExpression.CodegenContinueIfNotNullAndNotPass(
forEach,
forge.InnerExpression.EvaluationType,
forge.InnerExpression.EvaluateCodegen(typeof(bool?), methodNode, scope, codegenClassScope));
forEach.Increment("count");
block.MethodReturn(Ref("count"));
return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx);
}
public static CodegenExpression Codegen(
EnumFirstOfPredicateEventsForge forge,
EnumForgeCodegenParams args,
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var scope = new ExprForgeCodegenSymbol(false, null);
var methodNode = codegenMethodScope
.MakeChildWithScope(
typeof(EventBean),
typeof(EnumFirstOfPredicateEventsForgeEval),
scope,
codegenClassScope)
.AddParam(EnumForgeCodegenNames.PARAMS);
var block = methodNode.Block;
var forEach = block.ForEach(typeof(EventBean), "next", EnumForgeCodegenNames.REF_ENUMCOLL)
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(forge.StreamNumLambda), Ref("next"));
CodegenLegoBooleanExpression.CodegenContinueIfNotNullAndNotPass(
forEach,
forge.InnerExpression.EvaluationType,
forge.InnerExpression.EvaluateCodegen(typeof(bool?), methodNode, scope, codegenClassScope));
forEach.BlockReturn(Ref("next"));
block.MethodReturn(ConstantNull());
return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx);
}
protected override CodegenExpression CodegenEvaluateInternal(
CodegenMethodScope parent,
SubselectForgeNRSymbol symbols,
CodegenClassScope classScope)
{
var method = parent.MakeChild(typeof(bool?), this.GetType(), classScope);
var left = symbols.GetAddLeftResult(method);
method.Block.DeclareVar<bool>("hasNullRow", ConstantFalse());
var @foreach = method.Block.ForEach(typeof(EventBean), "theEvent", symbols.GetAddMatchingEvents(method));
{
@foreach.AssignArrayElement(NAME_EPS, Constant(0), Ref("theEvent"));
if (filterEval != null) {
CodegenLegoBooleanExpression.CodegenContinueIfNotNullAndNotPass(
@foreach,
filterEval.EvaluationType,
filterEval.EvaluateCodegen(typeof(bool?), method, symbols, classScope));
}
@foreach.IfRefNullReturnNull(left);
Type valueRightType;
if (selectEval != null) {
valueRightType = Boxing.GetBoxedType(selectEval.EvaluationType);
@foreach.DeclareVar(
valueRightType,
"valueRight",
selectEval.EvaluateCodegen(valueRightType, method, symbols, classScope));
}
else {
valueRightType = subselect.RawEventType.UnderlyingType;
@foreach.DeclareVar(
valueRightType,
"valueRight",
Cast(valueRightType, ExprDotUnderlying(ArrayAtIndex(symbols.GetAddEPS(method), Constant(0)))));
}
var ifRight = @foreach.IfCondition(NotEqualsNull(Ref("valueRight")));
{
if (coercer == null) {
ifRight.IfCondition(ExprDotMethod(left, "Equals", Ref("valueRight")))
.BlockReturn(Constant(!isNotIn));
}
else {
ifRight.DeclareVar<object>("left", coercer.CoerceCodegen(left, symbols.LeftResultType))
.DeclareVar<object>("right", coercer.CoerceCodegen(Ref("valueRight"), valueRightType))
.DeclareVar<bool>("eq", ExprDotMethod(Ref("left"), "Equals", Ref("right")))
.IfCondition(Ref("eq"))
.BlockReturn(Constant(!isNotIn));
}
}
ifRight.IfElse().AssignRef("hasNullRow", ConstantTrue());
}
method.Block
.IfCondition(Ref("hasNullRow"))
.BlockReturn(ConstantNull())
.MethodReturn(Constant(isNotIn));
return LocalMethod(method);
}
protected override CodegenExpression CodegenEvaluateInternal(
CodegenMethodScope parent,
SubselectForgeNRSymbol symbols,
CodegenClassScope classScope)
{
var method = parent.MakeChild(typeof(bool?), GetType(), classScope);
var eps = symbols.GetAddEPS(method);
var evalCtx = symbols.GetAddExprEvalCtx(method);
var left = symbols.GetAddLeftResult(method);
method.Block.IfNullReturnNull(symbols.GetAddLeftResult(method));
if (havingEval != null) {
CodegenExpression having = LocalMethod(
CodegenLegoMethodExpression.CodegenExpression(havingEval, method, classScope, true),
eps,
ConstantTrue(),
evalCtx);
CodegenLegoBooleanExpression.CodegenReturnValueIfNullOrNotPass(
method.Block,
havingEval.EvaluationType,
having,
ConstantNull());
}
CodegenExpression select = LocalMethod(
CodegenLegoMethodExpression.CodegenExpression(selectEval, method, classScope, true),
eps,
ConstantTrue(),
evalCtx);
var rightEvalType = selectEval.EvaluationType.GetBoxedType();
method.Block
.DeclareVar(rightEvalType, "rhs", select)
.IfRefNullReturnNull("rhs");
if (coercer == null) {
method.Block.DeclareVar<bool>("eq", ExprDotMethod(left, "Equals", Ref("rhs")));
if (isNot) {
method.Block.IfCondition(Ref("eq")).BlockReturn(ConstantFalse());
}
else {
method.Block.IfCondition(Not(Ref("eq"))).BlockReturn(ConstantFalse());
}
}
else {
method.Block
.DeclareVar<object>("left", coercer.CoerceCodegen(left, symbols.LeftResultType))
.DeclareVar<object>("right", coercer.CoerceCodegen(Ref("rhs"), rightEvalType))
.DeclareVar<bool>("eq", StaticMethod<object>("Equals", Ref("left"), Ref("right")));
if (isNot) {
method.Block.IfCondition(Ref("eq")).BlockReturn(ConstantFalse());
}
else {
method.Block.IfCondition(Not(Ref("eq"))).BlockReturn(ConstantFalse());
}
}
method.Block.MethodReturn(ConstantTrue());
return LocalMethod(method);
}
public override CodegenExpression EvaluateGetCollScalarCodegen(
CodegenMethodScope parent,
ExprSubselectEvalMatchSymbol symbols,
CodegenClassScope classScope)
{
if (subselect.FilterExpr == null) {
if (subselect.SelectClause == null) {
return ConstantNull();
}
else {
var method = parent.MakeChild(typeof(FlexCollection), this.GetType(), classScope);
method.Block
.DeclareVar<IList<object>>("result", NewInstance(typeof(List<object>)))
.ApplyTri(DECLARE_EVENTS_SHIFTED, method, symbols);
var selectClause = GetSelectClauseExpr(method, symbols, classScope);
var @foreach = method.Block.ForEach(
typeof(EventBean),
"@event",
symbols.GetAddMatchingEvents(method));
{
@foreach.AssignArrayElement(REF_EVENTS_SHIFTED, Constant(0), Ref("@event"))
.DeclareVar<object>("value", selectClause)
.ExprDotMethod(Ref("result"), "Add", Ref("value"));
}
method.Block.MethodReturn(FlexWrap(Ref("result")));
return LocalMethod(method);
}
}
if (subselect.SelectClause == null) {
return ConstantNull();
}
var methodX = parent.MakeChild(typeof(FlexCollection), this.GetType(), classScope);
methodX.Block
.DeclareVar<IList<object>>("result", NewInstance(typeof(List<object>)))
.ApplyTri(DECLARE_EVENTS_SHIFTED, methodX, symbols);
var selectClauseX = GetSelectClauseExpr(methodX, symbols, classScope);
var filter = CodegenLegoMethodExpression.CodegenExpression(subselect.FilterExpr, methodX, classScope, true);
var foreachX = methodX.Block.ForEach(
typeof(EventBean),
"@event",
symbols.GetAddMatchingEvents(methodX));
{
foreachX.AssignArrayElement(REF_EVENTS_SHIFTED, Constant(0), Ref("@event"));
CodegenLegoBooleanExpression.CodegenContinueIfNullOrNotPass(
foreachX,
typeof(bool?),
LocalMethod(
filter,
REF_EVENTS_SHIFTED,
symbols.GetAddIsNewData(methodX),
symbols.GetAddExprEvalCtx(methodX)));
foreachX.DeclareVar<object>("value", selectClauseX)
.ExprDotMethod(Ref("result"), "Add", Ref("value"));
}
methodX.Block.MethodReturn(FlexWrap(Ref("result")));
return LocalMethod(methodX);
}
public override void ForEachBlock(
CodegenBlock block,
CodegenMethod methodNode,
ExprForgeCodegenSymbol scope,
CodegenClassScope codegenClassScope)
{
CodegenLegoBooleanExpression.CodegenBreakIfNotNullAndNotPass(block, InnerExpression.EvaluationType, innerValue);
block.Expression(ExprDotMethod(Ref("result"), "Add", Ref("next")));
}
public override void ForEachBlock(
CodegenBlock block,
CodegenMethod methodNode,
ExprForgeCodegenSymbol scope,
CodegenClassScope codegenClassScope)
{
CodegenLegoBooleanExpression.CodegenContinueIfNotNullAndNotPass(
block,
InnerExpression.EvaluationType,
InnerExpression.EvaluateCodegen(typeof(bool?), methodNode, scope, codegenClassScope));
block.BlockReturn(Ref("next"));
}
public static CodegenExpression Codegen(
EnumTakeWhileEventsForge forge,
EnumForgeCodegenParams args,
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var returnType = typeof(FlexCollection);
var paramTypes = EnumForgeCodegenNames.PARAMS;
var scope = new ExprForgeCodegenSymbol(false, null);
var methodNode = codegenMethodScope
.MakeChildWithScope(
returnType,
typeof(EnumTakeWhileEventsForgeEval),
scope,
codegenClassScope)
.AddParam(paramTypes);
var innerValue = forge.InnerExpression.EvaluateCodegen(
typeof(bool?),
methodNode,
scope,
codegenClassScope);
var block = methodNode.Block
.IfCondition(ExprDotMethod(EnumForgeCodegenNames.REF_ENUMCOLL, "IsEmpty"))
.BlockReturn(EnumForgeCodegenNames.REF_ENUMCOLL);
var blockSingle = block
.IfCondition(EqualsIdentity(ExprDotName(EnumForgeCodegenNames.REF_ENUMCOLL, "Count"), Constant(1)))
.DeclareVar<EventBean>("item",
ExprDotMethod(ExprDotName(EnumForgeCodegenNames.REF_ENUMCOLL, "EventBeanCollection"), "First"))
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(forge.StreamNumLambda), Ref("item"));
CodegenLegoBooleanExpression.CodegenReturnValueIfNotNullAndNotPass(
blockSingle,
forge.InnerExpression.EvaluationType,
innerValue,
FlexEmpty());
blockSingle.BlockReturn(FlexEvent(Ref("item")));
block.DeclareVar<ArrayDeque<EventBean>>("result", NewInstance(typeof(ArrayDeque<EventBean>)));
var forEach = block
.ForEach(typeof(EventBean), "next", EnumForgeCodegenNames.REF_ENUMCOLL)
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(forge.StreamNumLambda), Ref("next"));
CodegenLegoBooleanExpression.CodegenBreakIfNotNullAndNotPass(
forEach,
forge.InnerExpression.EvaluationType,
innerValue);
forEach.Expression(ExprDotMethod(Ref("result"), "Add", Ref("next")));
block.MethodReturn(FlexWrap(Ref("result")));
return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx);
}
public override void ForEachBlock(
CodegenBlock block,
CodegenMethod methodNode,
ExprForgeCodegenSymbol scope,
CodegenClassScope codegenClassScope)
{
CodegenLegoBooleanExpression.CodegenReturnBoolIfNullOrBool(
block,
InnerExpression.EvaluationType,
InnerExpression.EvaluateCodegen(typeof(bool?), methodNode, scope, codegenClassScope),
all,
all ? false : (bool?)null,
!all,
!all);
}
public static CodegenExpression Codegen(
EnumAllOfScalarForge forge,
EnumForgeCodegenParams args,
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var typeMember = codegenClassScope.AddDefaultFieldUnshared(
true,
typeof(ObjectArrayEventType),
Cast(
typeof(ObjectArrayEventType),
EventTypeUtility.ResolveTypeCodegen(forge.type, EPStatementInitServicesConstants.REF)));
var scope = new ExprForgeCodegenSymbol(false, null);
var methodNode = codegenMethodScope
.MakeChildWithScope(typeof(bool), typeof(EnumAllOfScalarForgeEval), scope, codegenClassScope)
.AddParam(EnumForgeCodegenNames.PARAMS);
var block = methodNode.Block;
//block.CommentFullLine("-- trace --");
//block.Debug("enumcoll: {0}", ExprDotMethod(Ref("enumcoll"), "RenderAny"));
block.IfConditionReturnConst(ExprDotMethod(EnumForgeCodegenNames.REF_ENUMCOLL, "IsEmpty"), true);
block.DeclareVar<ObjectArrayEventBean>(
"evalEvent",
NewInstance<ObjectArrayEventBean>(
NewArrayByLength(typeof(object), Constant(1)),
typeMember))
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(forge.StreamNumLambda), Ref("evalEvent"))
.DeclareVar<object[]>("props", ExprDotName(Ref("evalEvent"), "Properties"));
var forEach = block.ForEach(typeof(object), "next", EnumForgeCodegenNames.REF_ENUMCOLL)
.AssignArrayElement("props", Constant(0), Ref("next"));
CodegenLegoBooleanExpression.CodegenReturnBoolIfNullOrBool(
forEach,
forge.InnerExpression.EvaluationType,
forge.InnerExpression.EvaluateCodegen(typeof(bool?), methodNode, scope, codegenClassScope),
false,
null,
false,
false);
block.MethodReturn(ConstantTrue());
return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx);
}
public override CodegenExpression EvaluateCodegen(
CodegenMethodScope parent,
ExprSubselectEvalMatchSymbol symbols,
CodegenClassScope classScope)
{
CodegenExpressionInstanceField eventToPublic =
TableDeployTimeResolver.MakeTableEventToPublicField(table, classScope, this.GetType());
CodegenMethod method = parent.MakeChild(subselect.EvaluationType, this.GetType(), classScope);
method.Block.ApplyTri(DECLARE_EVENTS_SHIFTED, method, symbols);
method.Block.DeclareVar<EventBean>("filtered", ConstantNull());
CodegenBlock @foreach = method.Block.ForEach(
typeof(EventBean),
"@event",
symbols.GetAddMatchingEvents(method));
{
@foreach.AssignArrayElement(REF_EVENTS_SHIFTED, Constant(0), Ref("@event"));
CodegenMethod filter = CodegenLegoMethodExpression.CodegenExpression(subselect.FilterExpr, method, classScope, true);
CodegenLegoBooleanExpression.CodegenContinueIfNotNullAndNotPass(
@foreach,
typeof(bool?),
LocalMethod(
filter,
REF_EVENTS_SHIFTED,
symbols.GetAddIsNewData(method),
symbols.GetAddExprEvalCtx(method)));
@foreach.IfCondition(NotEqualsNull(Ref("filtered")))
.BlockReturn(ConstantNull())
.AssignRef("filtered", Ref("@event"));
}
method.Block.IfRefNullReturnNull("filtered")
.MethodReturn(
ExprDotMethod(
eventToPublic,
"ConvertToUnd",
Ref("filtered"),
symbols.GetAddEPS(method),
symbols.GetAddIsNewData(method),
symbols.GetAddExprEvalCtx(method)));
return LocalMethod(method);
}
public CodegenExpression EvaluateMatchesCodegen(
CodegenMethodScope parent,
ExprSubselectEvalMatchSymbol symbols,
CodegenClassScope classScope)
{
CodegenExpression aggService = classScope.NamespaceScope.AddOrGetDefaultFieldWellKnown(
new CodegenFieldNameSubqueryAgg(subselect.SubselectNumber),
typeof(AggregationResultFuture));
var method = parent.MakeChild(typeof(bool), GetType(), classScope);
var evalCtx = symbols.GetAddExprEvalCtx(method);
method.Block
.ApplyTri(new ReturnIfNoMatch(ConstantFalse(), ConstantFalse()), method, symbols)
.DeclareVar<int>("cpid", ExprDotName(evalCtx, "AgentInstanceId"))
.DeclareVar<AggregationService>(
"aggregationService",
ExprDotMethod(aggService, "GetContextPartitionAggregationService", Ref("cpid")))
.DeclareVar<ICollection<object>>(
"groupKeys",
ExprDotMethod(Ref("aggregationService"), "GetGroupKeys", evalCtx));
method.Block.ApplyTri(DECLARE_EVENTS_SHIFTED, method, symbols);
var forEach = method.Block.ForEach(typeof(object), "groupKey", Ref("groupKeys"));
{
forEach.ExprDotMethod(
Ref("aggregationService"),
"SetCurrentAccess",
Ref("groupKey"),
Ref("cpid"),
ConstantNull());
CodegenLegoBooleanExpression.CodegenContinueIfNullOrNotPass(
forEach,
havingEval.EvaluationType,
havingEval.EvaluateCodegen(havingEval.EvaluationType, method, symbols, classScope));
forEach.BlockReturn(ConstantTrue());
}
method.Block.MethodReturn(ConstantFalse());
return LocalMethod(method);
}
public CodegenExpression EvaluateMatchesCodegen(
CodegenMethodScope parent,
ExprSubselectEvalMatchSymbol symbols,
CodegenClassScope classScope)
{
var method = parent.MakeChild(typeof(bool), GetType(), classScope);
var havingMethod = CodegenLegoMethodExpression.CodegenExpression(havingEval, method, classScope, true);
CodegenExpression having = LocalMethod(
havingMethod,
REF_EVENTS_SHIFTED,
symbols.GetAddIsNewData(method),
symbols.GetAddExprEvalCtx(method));
method.Block.ApplyTri(DECLARE_EVENTS_SHIFTED, method, symbols);
CodegenLegoBooleanExpression.CodegenReturnValueIfNullOrNotPass(
method.Block,
typeof(bool?),
having,
ConstantFalse());
method.Block.MethodReturn(ConstantTrue());
return LocalMethod(method);
}
public override CodegenExpression Codegen(
EnumForgeCodegenParams premade,
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var scope = new ExprForgeCodegenSymbol(false, null);
var methodNode = codegenMethodScope.MakeChildWithScope(typeof(EventBean), typeof(EnumLastOfEvent), scope, codegenClassScope)
.AddParam(EnumForgeCodegenNames.PARAMS);
var block = methodNode.Block
.DeclareVar <EventBean>("result", ConstantNull());
var forEach = block
.ForEach(typeof(EventBean), "next", EnumForgeCodegenNames.REF_ENUMCOLL)
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(StreamNumLambda), Ref("next"));
CodegenLegoBooleanExpression.CodegenContinueIfNotNullAndNotPass(
forEach,
InnerExpression.EvaluationType,
InnerExpression.EvaluateCodegen(typeof(bool?), methodNode, scope, codegenClassScope));
forEach.AssignRef("result", Ref("next"));
block.MethodReturn(Ref("result"));
return(LocalMethod(methodNode, premade.Eps, premade.Enumcoll, premade.IsNewData, premade.ExprCtx));
}
public override void InitBlock(
CodegenBlock block,
CodegenMethod methodNode,
ExprForgeCodegenSymbol scope,
CodegenClassScope codegenClassScope)
{
innerValue = InnerExpression.EvaluateCodegen(typeof(bool?), methodNode, scope, codegenClassScope);
var blockSingle = block.IfCondition(EqualsIdentity(ExprDotName(EnumForgeCodegenNames.REF_ENUMCOLL, "Count"), Constant(1)))
.DeclareVar <EventBean>("item", Cast(typeof(EventBean), ExprDotMethodChain(EnumForgeCodegenNames.REF_ENUMCOLL).Add("First")))
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(StreamNumLambda), Ref("item"));
block.DebugStack();
CodegenLegoBooleanExpression.CodegenReturnValueIfNotNullAndNotPass(
blockSingle,
InnerExpression.EvaluationType,
innerValue,
EnumValue(typeof(FlexCollection), "Empty"));
blockSingle.BlockReturn(
FlexWrap(StaticMethod(typeof(Collections), "SingletonList", Ref("item"))));
block
.DeclareVar <ArrayDeque <EventBean> >("result", NewInstance <ArrayDeque <EventBean> >())
.DeclareVar <EventBean[]>("all", StaticMethod(typeof(EnumTakeWhileHelper), "TakeWhileLastEventBeanToArray", EnumForgeCodegenNames.REF_ENUMCOLL));
var forEach = block.ForLoop(
typeof(int),
"i",
Op(ArrayLength(Ref("all")), "-", Constant(1)),
Relational(Ref("i"), GE, Constant(0)),
DecrementRef("i"))
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(StreamNumLambda), ArrayAtIndex(Ref("all"), Ref("i")));
CodegenLegoBooleanExpression.CodegenBreakIfNotNullAndNotPass(forEach, InnerExpression.EvaluationType, innerValue);
forEach.Expression(ExprDotMethod(Ref("result"), "AddFirst", ArrayAtIndex(Ref("all"), Ref("i"))));
}
public static void InitBlockSizeOneScalar(
int numParameters,
CodegenBlock block,
CodegenExpression innerValue,
Type evaluationType)
{
var blockSingle = block.IfCondition(EqualsIdentity(ExprDotName(EnumForgeCodegenNames.REF_ENUMCOLL, "Count"), Constant(1)))
.DeclareVar <object>("item", ExprDotMethodChain(EnumForgeCodegenNames.REF_ENUMCOLL).Add("First"))
.AssignArrayElement("props", Constant(0), Ref("item"));
if (numParameters >= 2)
{
blockSingle.AssignArrayElement("props", Constant(1), Constant(0));
}
CodegenLegoBooleanExpression.CodegenReturnValueIfNotNullAndNotPass(
blockSingle,
evaluationType,
innerValue,
FlexEmpty());
blockSingle.BlockReturn(FlexValue(Ref("item")));
block.DeclareVar <ArrayDeque <object> >("result", NewInstance <ArrayDeque <object> >());
}
protected override CodegenExpression CodegenEvaluateInternal(
CodegenMethodScope parent,
SubselectForgeNRSymbol symbols,
CodegenClassScope classScope)
{
var method = parent.MakeChild(typeof(bool?), GetType(), classScope);
CodegenExpression eps = symbols.GetAddEPS(method);
CodegenExpression evalCtx = symbols.GetAddExprEvalCtx(method);
var left = symbols.GetAddLeftResult(method);
if (havingEval != null) {
CodegenExpression having = LocalMethod(
CodegenLegoMethodExpression.CodegenExpression(havingEval, method, classScope, true),
eps,
ConstantTrue(),
evalCtx);
CodegenLegoBooleanExpression.CodegenReturnValueIfNullOrNotPass(
method.Block,
havingEval.EvaluationType,
having,
ConstantNull());
}
CodegenExpression rhsSide = LocalMethod(
CodegenLegoMethodExpression.CodegenExpression(selectEval, method, classScope, true),
eps,
ConstantTrue(),
evalCtx);
var rhsType = selectEval.EvaluationType.GetBoxedType();
method.Block
.DeclareVar(rhsType, "rhs", rhsSide)
.IfRefNullReturnNull("rhs")
.MethodReturn(computer.Codegen(left, symbols.LeftResultType, Ref("rhs"), rhsType));
return LocalMethod(method);
}
protected override CodegenExpression CodegenEvaluateInternal(
CodegenMethodScope parent,
SubselectForgeNRSymbol symbols,
CodegenClassScope classScope)
{
CodegenExpression aggService = classScope.NamespaceScope.AddOrGetDefaultFieldWellKnown(
new CodegenFieldNameSubqueryAgg(subselect.SubselectNumber),
typeof(AggregationResultFuture));
var method = parent.MakeChild(subselect.EvaluationType, this.GetType(), classScope);
var evalCtx = symbols.GetAddExprEvalCtx(method);
var left = symbols.GetAddLeftResult(method);
method.Block
.DeclareVar<int>("cpid", ExprDotName(evalCtx, "AgentInstanceId"))
.DeclareVar<AggregationService>(
"aggregationService",
ExprDotMethod(aggService, "GetContextPartitionAggregationService", Ref("cpid")))
.DeclareVar<ICollection<object>>(
"groupKeys",
ExprDotMethod(Ref("aggregationService"), "GetGroupKeys", evalCtx))
.DeclareVar<bool>("hasNullRow", ConstantFalse());
var forEach = method.Block.ForEach(typeof(object), "groupKey", Ref("groupKeys"));
{
forEach.IfCondition(EqualsNull(left))
.BlockReturn(ConstantNull())
.ExprDotMethod(
Ref("aggregationService"),
"SetCurrentAccess",
Ref("groupKey"),
Ref("cpid"),
ConstantNull());
if (havingEval != null) {
CodegenLegoBooleanExpression.CodegenContinueIfNullOrNotPass(
forEach,
havingEval.EvaluationType,
havingEval.EvaluateCodegen(havingEval.EvaluationType, method, symbols, classScope));
}
Type valueRightType;
if (selectEval != null) {
valueRightType = Boxing.GetBoxedType(selectEval.EvaluationType);
forEach.DeclareVar(
valueRightType,
"valueRight",
selectEval.EvaluateCodegen(valueRightType, method, symbols, classScope));
}
else {
valueRightType = typeof(object);
forEach.DeclareVar(
valueRightType,
"valueRight",
ExprDotUnderlying(ArrayAtIndex(symbols.GetAddEPS(method), Constant(0))));
}
var ifRightNotNull = forEach.IfCondition(EqualsNull(Ref("valueRight")))
.AssignRef("hasNullRow", ConstantTrue())
.IfElse();
{
if (coercer == null) {
ifRightNotNull.DeclareVar<bool>("eq", ExprDotMethod(left, "Equals", Ref("valueRight")));
}
else {
ifRightNotNull.DeclareVar<object>("left", coercer.CoerceCodegen(left, symbols.LeftResultType))
.DeclareVar<object>("right", coercer.CoerceCodegen(Ref("valueRight"), valueRightType))
.DeclareVar<bool>("eq", StaticMethod<object>("Equals", Ref("left"), Ref("right")));
}
if (isNot) {
if (isAll) {
ifRightNotNull.IfCondition(Ref("eq")).BlockReturn(ConstantFalse());
}
else {
ifRightNotNull.IfCondition(Not(Ref("eq"))).BlockReturn(ConstantTrue());
}
}
else {
if (isAll) {
ifRightNotNull.IfCondition(Not(Ref("eq"))).BlockReturn(ConstantFalse());
}
else {
ifRightNotNull.IfCondition(Ref("eq")).BlockReturn(ConstantTrue());
}
}
}
}
method.Block
.IfCondition(Ref("hasNullRow"))
.BlockReturn(ConstantNull())
.MethodReturn(isAll ? ConstantTrue() : ConstantFalse());
return LocalMethod(method);
}
public CodegenExpression EvaluateTypableMultirowCodegen(
CodegenMethodScope parent,
ExprSubselectEvalMatchSymbol symbols,
CodegenClassScope classScope)
{
if (subselect.SelectClause == null) {
return ConstantNull();
}
if (subselect.FilterExpr == null) {
var method = parent.MakeChild(typeof(object[][]), GetType(), classScope);
method.Block
.DeclareVar<object[][]>(
"rows",
NewArrayByLength(typeof(object[]), ExprDotName(symbols.GetAddMatchingEvents(method), "Count")))
.DeclareVar<int>("index", Constant(-1))
.ApplyTri(SubselectForgeCodegenUtil.DECLARE_EVENTS_SHIFTED, method, symbols);
var foreachEvent = method.Block.ForEach(
typeof(EventBean),
"@event",
symbols.GetAddMatchingEvents(method));
{
foreachEvent
.IncrementRef("index")
.AssignArrayElement(REF_EVENTS_SHIFTED, Constant(0), Ref("@event"))
.DeclareVar<object[]>(
"results",
NewArrayByLength(typeof(object), Constant(subselect.SelectClause.Length)))
.AssignArrayElement("rows", Ref("index"), Ref("results"));
for (var i = 0; i < subselect.SelectClause.Length; i++) {
var eval = CodegenLegoMethodExpression.CodegenExpression(subselect.SelectClause[i].Forge, method, classScope, true);
foreachEvent.AssignArrayElement(
"results",
Constant(i),
LocalMethod(
eval,
REF_EVENTS_SHIFTED,
symbols.GetAddIsNewData(method),
symbols.GetAddExprEvalCtx(method)));
}
}
method.Block.MethodReturn(Ref("rows"));
return LocalMethod(method);
}
else {
var method = parent.MakeChild(typeof(object[][]), GetType(), classScope);
method.Block
.DeclareVar<ArrayDeque<object[]>>("rows", NewInstance(typeof(ArrayDeque<object[]>)))
.ApplyTri(SubselectForgeCodegenUtil.DECLARE_EVENTS_SHIFTED, method, symbols);
var foreachEvent = method.Block.ForEach(
typeof(EventBean),
"@event",
symbols.GetAddMatchingEvents(method));
{
foreachEvent.AssignArrayElement(REF_EVENTS_SHIFTED, Constant(0), Ref("@event"));
var filter = CodegenLegoMethodExpression.CodegenExpression(subselect.FilterExpr, method, classScope, true);
CodegenLegoBooleanExpression.CodegenContinueIfNullOrNotPass(
foreachEvent,
typeof(bool?),
LocalMethod(
filter,
REF_EVENTS_SHIFTED,
symbols.GetAddIsNewData(method),
symbols.GetAddExprEvalCtx(method)));
foreachEvent
.DeclareVar<object[]>(
"results",
NewArrayByLength(typeof(object), Constant(subselect.SelectClause.Length)))
.ExprDotMethod(Ref("rows"), "Add", Ref("results"));
for (var i = 0; i < subselect.SelectClause.Length; i++) {
var eval = CodegenLegoMethodExpression.CodegenExpression(subselect.SelectClause[i].Forge, method, classScope, true);
foreachEvent.AssignArrayElement(
"results",
Constant(i),
LocalMethod(
eval,
REF_EVENTS_SHIFTED,
symbols.GetAddIsNewData(method),
symbols.GetAddExprEvalCtx(method)));
}
}
method.Block
.IfCondition(ExprDotMethod(Ref("rows"), "IsEmpty"))
.BlockReturn(EnumValue(typeof(CollectionUtil), "OBJECTARRAYARRAY_EMPTY"))
.MethodReturn(ExprDotMethod(Ref("rows"), "ToArray"));
return LocalMethod(method);
}
}
protected override CodegenExpression CodegenEvaluateInternal(
CodegenMethodScope parent,
SubselectForgeNRSymbol symbols,
CodegenClassScope classScope)
{
var method = parent.MakeChild(typeof(bool?), GetType(), classScope);
method.Block
.DeclareVar<bool>("hasRows", ConstantFalse())
.DeclareVar<bool>("hasNullRow", ConstantFalse());
var @foreach = method.Block.ForEach(
typeof(EventBean),
"subselectEvent",
symbols.GetAddMatchingEvents(method));
{
@foreach.AssignArrayElement(NAME_EPS, Constant(0), Ref("subselectEvent"));
if (filterOrHavingEval != null) {
CodegenLegoBooleanExpression.CodegenContinueIfNotNullAndNotPass(
@foreach,
filterOrHavingEval.EvaluationType,
filterOrHavingEval.EvaluateCodegen(typeof(bool?), method, symbols, classScope));
}
@foreach.AssignRef("hasRows", ConstantTrue());
Type valueRightType;
if (selectEval != null) {
valueRightType = selectEval.EvaluationType.GetBoxedType();
@foreach.DeclareVar(
valueRightType,
"valueRight",
selectEval.EvaluateCodegen(valueRightType, method, symbols, classScope));
}
else {
valueRightType = typeof(object);
@foreach.DeclareVar(
valueRightType,
"valueRight",
ExprDotUnderlying(ArrayAtIndex(symbols.GetAddEPS(method), Constant(0))));
}
@foreach.IfRefNull("valueRight")
.AssignRef("hasNullRow", ConstantTrue())
.IfElse()
.IfCondition(NotEqualsNull(symbols.GetAddLeftResult(method)))
.IfCondition(
Not(
computer.Codegen(
symbols.GetAddLeftResult(method),
symbols.LeftResultType,
Ref("valueRight"),
valueRightType)))
.BlockReturn(ConstantFalse());
}
method.Block
.IfCondition(Not(Ref("hasRows")))
.BlockReturn(ConstantTrue())
.IfCondition(EqualsNull(symbols.GetAddLeftResult(method)))
.BlockReturn(ConstantNull())
.IfCondition(Ref("hasNullRow"))
.BlockReturn(ConstantNull())
.MethodReturn(ConstantTrue());
return LocalMethod(method);
}
public override CodegenExpression EvaluateGetCollEventsCodegen(
CodegenMethodScope parent,
ExprSubselectEvalMatchSymbol symbols,
CodegenClassScope classScope)
{
if (subselect.FilterExpr == null) {
if (subselect.SelectClause == null) {
return symbols.GetAddMatchingEvents(parent);
}
else {
if (subselect.subselectMultirowType == null) {
var eval = ((ExprIdentNode) subselect.SelectClause[0]).ExprEvaluatorIdent;
var method = parent.MakeChild(
typeof(FlexCollection),
this.GetType(),
classScope);
method.Block.DeclareVar<ICollection<EventBean>>(
"events",
NewInstance<ArrayDeque<EventBean>>(
ExprDotName(symbols.GetAddMatchingEvents(method), "Count")));
var @foreach = method.Block.ForEach(
typeof(EventBean),
"@event",
symbols.GetAddMatchingEvents(method));
{
@foreach.DeclareVar<EventBean>(
"fragment",
CodegenLegoCast.CastSafeFromObjectType(
typeof(EventBean),
eval.Getter.EventBeanFragmentCodegen(Ref("@event"), method, classScope)))
.IfRefNull("fragment")
.BlockContinue()
.ExprDotMethod(Ref("events"), "Add", Ref("fragment"));
}
method.Block.MethodReturn(FlexWrap(Ref("events")));
return LocalMethod(method);
}
// when selecting a combined output row that contains multiple fields
var methodX = parent.MakeChild(typeof(FlexCollection), this.GetType(), classScope);
var fieldEventType = classScope.AddDefaultFieldUnshared(
true,
typeof(EventType),
EventTypeUtility.ResolveTypeCodegen(
subselect.subselectMultirowType,
EPStatementInitServicesConstants.REF));
var eventBeanSvc =
classScope.AddOrGetDefaultFieldSharable(EventBeanTypedEventFactoryCodegenField.INSTANCE);
methodX.Block
.DeclareVar<ICollection<EventBean>>(
"result",
NewInstance<ArrayDeque<EventBean>>(
ExprDotName(symbols.GetAddMatchingEvents(methodX), "Count")))
.ApplyTri(DECLARE_EVENTS_SHIFTED, methodX, symbols);
var foreachX = methodX.Block.ForEach(
typeof(EventBean),
"@event",
symbols.GetAddMatchingEvents(methodX));
{
foreachX.AssignArrayElement(REF_EVENTS_SHIFTED, Constant(0), Ref("@event"))
.DeclareVar<IDictionary<string, object>>(
"row",
LocalMethod(
subselect.EvaluateRowCodegen(methodX, classScope),
REF_EVENTS_SHIFTED,
ConstantTrue(),
symbols.GetAddExprEvalCtx(methodX)))
.DeclareVar<EventBean>(
"rowEvent",
ExprDotMethod(eventBeanSvc, "AdapterForTypedMap", Ref("row"), fieldEventType))
.ExprDotMethod(Ref("result"), "Add", Ref("rowEvent"));
}
methodX.Block.MethodReturn(FlexWrap(Ref("result")));
return LocalMethod(methodX);
}
}
if (subselect.SelectClause != null) {
return ConstantNull();
}
// handle filtered
var methodY = parent.MakeChild(typeof(FlexCollection), this.GetType(), classScope);
methodY.Block.ApplyTri(DECLARE_EVENTS_SHIFTED, methodY, symbols);
methodY.Block.DeclareVar<ArrayDeque<EventBean>>("filtered", ConstantNull());
var foreachY = methodY.Block.ForEach(
typeof(EventBean),
"@event",
symbols.GetAddMatchingEvents(methodY));
{
foreachY.AssignArrayElement(REF_EVENTS_SHIFTED, Constant(0), Ref("@event"));
var filter = CodegenLegoMethodExpression.CodegenExpression(subselect.FilterExpr, methodY, classScope, true);
CodegenLegoBooleanExpression.CodegenContinueIfNullOrNotPass(
foreachY,
typeof(bool?),
LocalMethod(
filter,
REF_EVENTS_SHIFTED,
symbols.GetAddIsNewData(methodY),
symbols.GetAddExprEvalCtx(methodY)));
foreachY.IfCondition(EqualsNull(Ref("filtered")))
.AssignRef("filtered", NewInstance(typeof(ArrayDeque<EventBean>)))
.BlockEnd()
.ExprDotMethod(Ref("filtered"), "Add", Ref("@event"));
}
methodY.Block.MethodReturn(FlexWrap(Ref("filtered")));
return LocalMethod(methodY);
}
public override CodegenExpression EvaluateCodegen(
CodegenMethodScope parent,
ExprSubselectEvalMatchSymbol symbols,
CodegenClassScope classScope)
{
var method = parent.MakeChild(subselect.EvaluationType, this.GetType(), classScope);
if (subselect.FilterExpr == null) {
method.Block
.IfCondition(
Relational(
ExprDotName(symbols.GetAddMatchingEvents(method), "Count"),
CodegenExpressionRelational.CodegenRelational.GT,
Constant(1)))
.BlockReturn(ConstantNull());
if (subselect.SelectClause == null) {
method.Block.MethodReturn(
Cast(
subselect.EvaluationType,
StaticMethod(
typeof(EventBeanUtility),
"GetNonemptyFirstEventUnderlying",
symbols.GetAddMatchingEvents(method))));
return LocalMethod(method);
}
else {
method.Block.ApplyTri(DECLARE_EVENTS_SHIFTED, method, symbols)
.AssignArrayElement(
REF_EVENTS_SHIFTED,
Constant(0),
StaticMethod(
typeof(EventBeanUtility),
"GetNonemptyFirstEvent",
symbols.GetAddMatchingEvents(method)));
}
}
else {
method.Block.ApplyTri(DECLARE_EVENTS_SHIFTED, method, symbols);
method.Block.DeclareVar<EventBean>("filtered", ConstantNull());
var @foreach = method.Block.ForEach(
typeof(EventBean),
"@event",
symbols.GetAddMatchingEvents(method));
{
@foreach.AssignArrayElement(REF_EVENTS_SHIFTED, Constant(0), Ref("@event"));
var filter = CodegenLegoMethodExpression.CodegenExpression(subselect.FilterExpr, method, classScope, true);
CodegenLegoBooleanExpression.CodegenContinueIfNotNullAndNotPass(
@foreach,
typeof(bool?),
LocalMethod(
filter,
REF_EVENTS_SHIFTED,
symbols.GetAddIsNewData(method),
symbols.GetAddExprEvalCtx(method)));
@foreach.IfCondition(NotEqualsNull(Ref("filtered")))
.BlockReturn(ConstantNull())
.AssignRef("filtered", Ref("@event"));
}
if (subselect.SelectClause == null) {
method.Block.IfRefNullReturnNull("filtered")
.MethodReturn(Cast(subselect.EvaluationType, ExprDotUnderlying(Ref("filtered"))));
return LocalMethod(method);
}
method.Block.IfRefNullReturnNull("filtered")
.AssignArrayElement(REF_EVENTS_SHIFTED, Constant(0), Ref("filtered"));
}
var selectClause = GetSelectClauseExpr(method, symbols, classScope);
method.Block.MethodReturn(selectClause);
return LocalMethod(method);
}
