public EnumSumScalarLambdaForgeEval(
EnumSumScalarLambdaForge forge,
ExprEvaluator innerExpression)
{
_forge = forge;
_innerExpression = innerExpression;
}
public static CodegenExpression Codegen(
EnumSumScalarLambdaForge forge,
EnumForgeCodegenParams args,
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope)
{
var innerType = forge.InnerExpression.EvaluationType;
var resultTypeMember = codegenClassScope.AddDefaultFieldUnshared(
true,
typeof(ObjectArrayEventType),
Cast(
typeof(ObjectArrayEventType),
EventTypeUtility.ResolveTypeCodegen(forge.resultEventType, EPStatementInitServicesConstants.REF)));
var scope = new ExprForgeCodegenSymbol(false, null);
var methodNode = codegenMethodScope
.MakeChildWithScope(
forge.sumMethodFactory.ValueType.GetBoxedType(),
typeof(EnumSumEventsForgeEval),
scope,
codegenClassScope)
.AddParam(EnumForgeCodegenNames.PARAMS);
var block = methodNode.Block;
forge.sumMethodFactory.CodegenDeclare(block);
block.DeclareVar<ObjectArrayEventBean>(
"resultEvent",
NewInstance<ObjectArrayEventBean>(NewArrayByLength(typeof(object), Constant(1)), resultTypeMember))
.AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(forge.StreamNumLambda), Ref("resultEvent"))
.DeclareVar<object[]>("props", ExprDotName(Ref("resultEvent"), "Properties"));
var forEach = block.ForEach(typeof(object), "next", EnumForgeCodegenNames.REF_ENUMCOLL)
.AssignArrayElement("props", Constant(0), Ref("next"))
.DeclareVar(
innerType,
"value",
forge.InnerExpression.EvaluateCodegen(innerType, methodNode, scope, codegenClassScope));
if (innerType.CanBeNull()) {
forEach.IfRefNull("value").BlockContinue();
}
forge.sumMethodFactory.CodegenEnterNumberTypedNonNull(forEach, Ref("value"));
forge.sumMethodFactory.CodegenReturn(block);
return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx);
}
