public EnumLastOfPredicateScalarForgeEval(
EnumLastOfPredicateScalarForge forge,
ExprEvaluator innerExpression)
{
_forge = forge;
_innerExpression = innerExpression;
}
public static CodegenExpression Codegen(
EnumLastOfPredicateScalarForge forge,
EnumForgeCodegenParams args,
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var typeMember = codegenClassScope.AddDefaultFieldUnshared(
true,
typeof(ObjectArrayEventType),
Cast(
typeof(ObjectArrayEventType),
EventTypeUtility.ResolveTypeCodegen(forge.type, EPStatementInitServicesConstants.REF)));
var resultType = Boxing.GetBoxedType(EPTypeHelper.GetCodegenReturnType(forge.resultType));
var paramsType = EnumForgeCodegenNames.PARAMS;
var scope = new ExprForgeCodegenSymbol(false, null);
var methodNode = codegenMethodScope
.MakeChildWithScope(resultType, typeof(EnumLastOfPredicateScalarForgeEval), scope, codegenClassScope)
.AddParam(paramsType);
CodegenBlock block;
block = methodNode.Block
.DeclareVar<object>("result", ConstantNull())
.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.CodegenContinueIfNotNullAndNotPass(
forEach,
forge.InnerExpression.EvaluationType,
forge.InnerExpression.EvaluateCodegen(typeof(bool?), methodNode, scope, codegenClassScope));
forEach.AssignRef("result", Ref("next"));
block.MethodReturn(Cast(resultType, Ref("result")));
return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx);
}
