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 EnumWhereEventsForgeEval(
EnumWhereEventsForge forge,
ExprEvaluator innerExpression)
{
_forge = forge;
_innerExpression = innerExpression;
}