protected override Expression BuildCtorExpression(ExpressionBuilderArgs args)
{
var elementType = MemberType.GetElementType();
var lengthVar = Expression.Variable(typeof(UInt64), "length");
var ctorExp = Expression.NewArrayBounds(
elementType,
lengthVar);
return(Expression.Block(new [] { lengthVar },
Expression.Assign(lengthVar, Invoke(_length, args)),
AdvancedExpression.Debug(string.Format("Array {0} initialized. ({{0}} elements).", MemberName), lengthVar),
ctorExp));
}
protected override Expression BuildBodyExpression(ExpressionBuilderArgs args, ParameterExpression innerResultVar, ParameterExpression typeVar)
{
var elementType = typeof(TElement);
//IExpressionBuilder typeBuilder = FileFormatBuilder.Types[elementType];
var iVar = Expression.Variable(typeof(int), "i");
var elementVar = Expression.Variable(elementType, "iterator");
var loopEndLabel = Expression.Label();
var elementBuilder = MemberBuilder <TMember, TElement> .Create("[i]");
if (_elementBuilderConfiguration != null)
{
_elementBuilderConfiguration(elementBuilder);
}
var innerArgs = args.Clone();
innerArgs.InstanceVar = innerResultVar;
return(Expression.Block(
new[] { iVar, elementVar },
Expression.Assign(iVar, Expression.Constant(0)),
AdvancedExpression.Debug("Reading collection {0}...", Expression.Constant(MemberName)),
Expression.Loop(
Expression.IfThenElse(
GetLoopCondition(args, innerResultVar, iVar, elementVar),
Expression.Block(
AdvancedExpression.Debug("Reading {0}[{1}]...", Expression.Constant(MemberName), iVar),
Expression.Assign(elementVar, elementBuilder.BuildExpression(innerArgs)),
/*
* Expression.Assign(elementVar, elementCtor),
* typeBuilder.BuildExpression(brParameter, elementVar, typeReaders),
*/
InsertElement(args, innerResultVar, iVar, elementVar),
Expression.PostIncrementAssign(iVar)),
Expression.Break(loopEndLabel)),
loopEndLabel)));
}
protected override Expression BuildBodyExpression(ExpressionBuilderArgs args, ParameterExpression innerResultVar, ParameterExpression typeVar)
{
return(Expression.Block(AdvancedExpression.Debug("Type: {0}", typeVar),
Expression.Invoke(AdvancedExpression.GetTypeBuilder(args.TypeReaders, typeVar),
args.BrParameter, innerResultVar, args.TypeReaders)));
}
