private void CompileAssignmentFunc()
{
if (this.surrogate != null)
{
return;
}
if (this.type.IsValueType)
{
return;
}
if (this.fieldData.Length == 0)
{
return;
}
ParameterExpression sourceParameter = Expression.Parameter(typeof(object), "source");
ParameterExpression targetParameter = Expression.Parameter(typeof(object), "target");
ParameterExpression operationParameter = Expression.Parameter(typeof(ICloneOperation), "operation");
ParameterExpression sourceCastVar = Expression.Variable(this.type.AsType(), "sourceCast");
ParameterExpression targetCastVar = Expression.Variable(this.type.AsType(), "targetCast");
List <Expression> mainBlock = this.CreateAssignmentFuncContent(operationParameter, sourceCastVar, targetCastVar);
mainBlock.Insert(0, Expression.Assign(sourceCastVar, Expression.TypeAs(sourceParameter, this.type.AsType())));
mainBlock.Insert(1, Expression.Assign(targetCastVar, Expression.TypeAs(targetParameter, this.type.AsType())));
Expression mainBlockExpression = Expression.Block(new[] { sourceCastVar, targetCastVar }, mainBlock);
this.assignFunc = Expression.Lambda <AssignmentFunc>(mainBlockExpression, sourceParameter, targetParameter, operationParameter).Compile();
}
private void CompileAssignmentFunc()
{
if (this.surrogate != null) return;
if (this.type.IsValueType) return;
if (this.fieldData.Length == 0) return;
ParameterExpression sourceParameter = Expression.Parameter(typeof(object), "source");
ParameterExpression targetParameter = Expression.Parameter(typeof(object), "target");
ParameterExpression operationParameter = Expression.Parameter(typeof(ICloneOperation), "operation");
ParameterExpression sourceCastVar = Expression.Variable(type, "sourceCast");
ParameterExpression targetCastVar = Expression.Variable(type, "targetCast");
List<Expression> mainBlock = this.CreateAssignmentFuncContent(operationParameter, sourceCastVar, targetCastVar);
mainBlock.Insert(0, Expression.Assign(sourceCastVar, Expression.TypeAs(sourceParameter, this.type)));
mainBlock.Insert(1, Expression.Assign(targetCastVar, Expression.TypeAs(targetParameter, this.type)));
Expression mainBlockExpression = Expression.Block(new[] { sourceCastVar, targetCastVar }, mainBlock);
this.assignFunc = Expression.Lambda<AssignmentFunc>(mainBlockExpression, sourceParameter, targetParameter, operationParameter).Compile();
}
