public Expression ToExpression(ParseContext context)
{
switch (AssignType)
{
case (AssignementOperator.Assign):
{
//if (RValue.ParsedType.IsValueType)
{
return(Expression.Assign(LValue.ToExpression(context), Expression.Convert(RValue.ToExpression(context), LValue.ParsedType)));
}
//return Expression.Assign(LValue.ToExpression(context), RValue.ToExpression(context));
}
case (AssignementOperator.MultiplyAssign):
return(Expression.MultiplyAssign(LValue.ToExpression(context), RValue.ToExpression(context)));
case (AssignementOperator.SubtractAssign):
return(Expression.SubtractAssign(LValue.ToExpression(context), RValue.ToExpression(context)));
case (AssignementOperator.SumAssign):
{
if (LValue.ParsedType == typeof(string) || RValue.ParsedType == typeof(string))
{
Expression <Func <object, object, string> > func = ((a, b) => SumAssign(a, b));
return(Expression.Assign(LValue.ToExpression(context),
Expression.Invoke(func, LValue.ToExpression(context), RValue.ToExpression(context))));
}
return(Expression.AddAssign(LValue.ToExpression(context), RValue.ToExpression(context)));
}
}
throw new InvalidEnumArgumentException();
}
public Expression ToExpression(ParseContext context)
{
var collectionVarExpr = CollectionSourceVar.ToExpression(context); //CollectionExpr
context.AddLevel();
//Type itemType = CollectionSourceVar.ParsedType.GetGenericArguments().Single();
var item = LoopVar.ToExpression(context) as ParameterExpression;
var loopContent = new List <Expression>();
foreach (var line in CodeLines)
{
var expLine = line.ToExpression(context);
var createVariable = line as CreateVariable;
if (createVariable != null)
{
//listOfThenVars.Add((ParameterExpression)expLine);
expLine = createVariable.DefaultInitialize(context);
}
loopContent.Add(expLine);
}
return(ForEachExpr(collectionVarExpr, item, loopContent.ToArray(), context));
}