コード例 #1
0
 public EnumWhereScalarForgeEval(
     EnumWhereScalarForge forge,
     ExprEvaluator innerExpression)
 {
     _forge = forge;
     _innerExpression = innerExpression;
 }
コード例 #2
0
        public static CodegenExpression Codegen(
            EnumWhereScalarForge 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(EnumWhereScalarForgeEval),
                    scope,
                    codegenClassScope)
                .AddParam(EnumForgeCodegenNames.PARAMS);

            var block = methodNode.Block
                .IfCondition(ExprDotMethod(EnumForgeCodegenNames.REF_ENUMCOLL, "IsEmpty"))
                .BlockReturn(EnumForgeCodegenNames.REF_ENUMCOLL);
            block
                .DeclareVar<ArrayDeque<object>>("result", NewInstance(typeof(ArrayDeque<object>)))
                .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.Expression(ExprDotMethod(Ref("result"), "Add", Ref("next")));
            block.MethodReturn(FlexWrap(Ref("result")));
            return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx);
        }