public static bool IsSizeOf(Expression exp, out Type type, Decoder decoder)
{
VisitorForSizeOf visitor = decoder.visitorForSizeOf;
bool result = Decode(exp, visitor, decoder);
type = visitor.Type;
return(result);
}
public bool TrySizeOf(TExpr expr, out int size)
{
TypeNode type;
if (VisitorForSizeOf <TVar, TExpr> .IsSizeOf(expr, out type, this))
{
size = MetaDataProvider.TypeSize(type);
return(size != -1);
}
return(false.Without(out size));
}
public Decoder(IExpressionContext <Local, Parameter, Method, Field, Type, Expression, Variable> context,
IDecodeMetaData <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly> decoderForMetaData)
{
Contract.Requires(context != null);
this.context = context;
this.decoderForMetaData = decoderForMetaData;
visitorForIsUnaryExpression = new VisitorForIsUnaryExpression();
visitorForIsBinaryExpression = new VisitorForIsBinaryExpression();
visitorForVariablesIn = new VisitorForVariablesIn(context);
visitorForValueOf = new VisitorForValueOf();
visitorForSizeOf = new VisitorForSizeOf();
visitorForIsNull = new VisitorForIsNull();
visitorForVariable = new VisitorForVariable();
visitorForIsInst = new VisitorForIsInst();
visitorForUnderlyingVariable = new VisitorForUnderlyingVariable();
visitorForDispatch = new VisitorForDispatch(this);
}
public bool TrySizeOf(Expression exp, out int value)
{
Type type;
if (VisitorForSizeOf.IsSizeOf(exp, out type, this))
{
int size = this.decoderForMetaData.TypeSize(type);
if (size != -1)
{
value = size;
return(true);
}
else
{
value = -1;
return(false);
}
}
else
{
value = -1;
return(false);
}
}
public bool IsSizeOf(Expression exp, out Type type)
{
return(VisitorForSizeOf.IsSizeOf(exp, out type, this));
}
