private UnaryNode(
UnaryExpression unaryExpression,
ConstantExpression[] constExpressions,
ParameterExpression[] parameterExpressions,
string unaryOperationMethodName)
{
this.unaryExpression = unaryExpression;
if (unaryExpression == null)
{
throw new ArgumentNullException("unaryExpression");
}
if (constExpressions == null)
{
throw new ArgumentNullException("constExpressions");
}
if (parameterExpressions == null)
{
throw new ArgumentNullException("parameterExpressions");
}
this.operandNode = AotCompiler.Compile(unaryExpression.Operand, constExpressions, parameterExpressions);
this.isNullable = IsNullable(unaryExpression.Operand);
this.operation = Intrinsic.WrapUnaryOperation(unaryExpression.Method) ??
(unaryOperationMethodName == null ? null : Intrinsic.WrapUnaryOperation(unaryExpression.Operand.Type, unaryOperationMethodName));
}
public ConvertNode(UnaryExpression convertExpression, ConstantExpression[] constExpressions, ParameterExpression[] parameterExpressions)
{
this.convertExpression = convertExpression;
this.operandNode = AotCompiler.Compile(convertExpression.Operand, constExpressions, parameterExpressions);
this.sourceType = TypeDescription.GetTypeDescription(convertExpression.Operand.Type);
this.targetType = TypeDescription.GetTypeDescription(convertExpression.Type);
if (this.sourceType.IsNullable)
{
this.sourceType = this.sourceType.UnderlyingType;
this.isSourceTypeNullable = true;
}
if (this.targetType.IsNullable)
{
this.targetType = this.targetType.UnderlyingType;
this.isTargetTypeNullable = true;
}
this.operation = Intrinsic.WrapUnaryOperation(convertExpression.Method) ??
Intrinsic.WrapUnaryOperation
(
this.targetType.ExplicitConvertFrom.FindConversion(this.sourceType, this.targetType) ??
this.targetType.ImplicitConvertFrom.FindConversion(this.sourceType, this.targetType) ??
this.sourceType.ExplicitConvertTo.FindConversion(this.sourceType, this.targetType) ??
this.sourceType.ImplicitConvertTo.FindConversion(this.sourceType, this.targetType)
);
}
public ConvertNode(UnaryExpression convertExpression, ConstantExpression[] constExpressions, ParameterExpression[] parameterExpressions)
{
this.convertExpression = convertExpression;
this.operandNode = AotCompiler.Compile(convertExpression.Operand, constExpressions, parameterExpressions);
this.operation = Intrinsic.WrapUnaryOperation(convertExpression.Method) ?? Intrinsic.WrapUnaryOperation(
convertExpression.Type
.GetMethods(BindingFlags.Public | BindingFlags.Static)
.FirstOrDefault(m =>
(string.Equals(m.Name, "op_Explicit", StringComparison.Ordinal) || string.Equals(m.Name, "op_Implicit", StringComparison.Ordinal)) &&
m.ReturnType == convertExpression.Type &&
m.GetParameters().Length == 1 &&
m.GetParameters()[0].ParameterType == convertExpression.Operand.Type)
);
this.targetType = Nullable.GetUnderlyingType(convertExpression.Type) ?? convertExpression.Type;
this.isTargetTypeNullable = IsNullable(convertExpression.Type);
this.sourceType = Nullable.GetUnderlyingType(convertExpression.Operand.Type) ?? convertExpression.Operand.Type;
this.isSourceTypeNullable = IsNullable(convertExpression.Operand);
}
