37 lines
1.4 KiB
C#
37 lines
1.4 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq.Expressions;
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namespace CPF.Windows.Json.Deserialize
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{
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[ExpressionBuildType(DeserializeBuildTypeEnum.WrongGenericKey)]
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internal class WrongGenericKeyBuild : ExpressionJsonResolve
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{
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internal static BlockExpression Build(Type type)
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{
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List<Expression> methodCall = new List<Expression>();
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LabelTarget returnValueLable = Expression.Label(type, "returnValue");
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/*
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if(_ReadNullOrObjLeft)
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return null;/return default(ValueType)
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*/
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Expression ifReadNullOrObjLeftReturnNull1 = Expression.IfThen(Expression.Call(ExpressionMembers.Reader, JsonReader._ReadNullOrObjLeft),
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Expression.Return(returnValueLable, Expression.Constant(null, type)
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));
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methodCall.Add(ifReadNullOrObjLeftReturnNull1);
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/*
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reader.ReadObjRight()
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*/
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methodCall.Add(Expression.Call(ExpressionMembers.Reader, JsonReader._ReadObjRight));
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/*
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return new dictionary<,>;
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*/
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methodCall.Add(Expression.Return(returnValueLable, Expression.New(type)));
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methodCall.Add(Expression.Label(returnValueLable, Expression.New(type)));
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return Expression.Block(methodCall);
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}
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}
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}
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