internal override Expression ToExpression(MethodBinderContext context, Expression[] parameters)
{
object val = _defaultValue;
if (val is Missing)
{
val = CompilerHelpers.GetMissingValue(_argumentType);
}
#if FULL
if (_argumentType.IsByRef)
{
Variable tmp = context.GetTemporary(_argumentType.GetElementType(), "optRef");
return(Ast.Comma(
Ast.Assign(
tmp,
Ast.Convert(Ast.Constant(val), tmp.Type)
),
Ast.Read(tmp)
));
}
#endif
return(context.ConvertExpression(Ast.Constant(val), _argumentType));
}
internal override Expression ToExpression(MethodBinderContext context, Expression[] parameters)
{
#if FULL
if (_tmp == null) {
_tmp = context.GetTemporary(Type, "outParam");
}
#endif
return Ast.Comma(Ast.Assign(_tmp, base.ToExpression(context, parameters)), Ast.Read(_tmp));
}
internal override Expression ToExpression(MethodBinderContext context, Expression[] parameters)
{
#if FULL
if (_tmp == null)
{
_tmp = context.GetTemporary(Type, "outParam");
}
#endif
return(Ast.Comma(Ast.Assign(_tmp, base.ToExpression(context, parameters)), Ast.Read(_tmp)));
}
internal override Expression ToExpression(MethodBinderContext context, Expression[] parameters)
{
#if FULL
if (_isRef) {
if (_tmp == null) {
_tmp = context.GetTemporary(_parameterType, "outParam");
}
return Ast.Read(_tmp);
}
#endif
return GetDefaultValue();
}
internal override Expression ToExpression(MethodBinderContext context, Expression[] parameters)
{
#if FULL
if (_isRef)
{
if (_tmp == null)
{
_tmp = context.GetTemporary(_parameterType, "outParam");
}
return(Ast.Read(_tmp));
}
#endif
return(GetDefaultValue());
}
internal override Expression ToExpression(MethodBinderContext context, Expression[] parameters)
{
#if FULL
if (_tmp == null)
{
_tmp = context.GetTemporary(_elementType, "outParam");
}
#endif
// Ideally we'd pass in Ast.ReadField(parameters[Index], "Value") but due to
// a bug in partial trust we can't access the generic field.
// arg is boxType ? &_tmp : throw new ArgumentTypeException()
// IncorrectBoxType throws the exception to avoid stack imbalance issues.
return(Ast.Condition(
Ast.TypeIs(parameters[Index], BoxType),
Ast.Comma(
Ast.Assign(
_tmp,
Ast.Call(
typeof(BinderOps).GetMethod("GetBox").MakeGenericMethod(_elementType),
Ast.ConvertHelper(parameters[Index], typeof(StrongBox <>).MakeGenericType(_elementType))
)
),
Ast.Read(_tmp)
),
// Condition requires types of both expressions to be identical.
// Putting the cast here is a temporary workaround until the
// emit address and reference argument passing is finished.
Ast.Convert(
Ast.Call(
typeof(BinderOps).GetMethod("IncorrectBoxType"),
Ast.Constant(BoxType),
Ast.ConvertHelper(parameters[Index], typeof(object))
),
_elementType
)
));
}
internal override Expression ToExpression(MethodBinderContext context, Expression[] parameters)
{
#if FULL
if (_tmp == null) {
_tmp = context.GetTemporary(_elementType, "outParam");
}
#endif
// Ideally we'd pass in Ast.ReadField(parameters[Index], "Value") but due to
// a bug in partial trust we can't access the generic field.
// arg is boxType ? &_tmp : throw new ArgumentTypeException()
// IncorrectBoxType throws the exception to avoid stack imbalance issues.
return Ast.Condition(
Ast.TypeIs(parameters[Index], BoxType),
Ast.Comma(
Ast.Assign(
_tmp,
Ast.Call(
typeof(BinderOps).GetMethod("GetBox").MakeGenericMethod(_elementType),
Ast.ConvertHelper(parameters[Index], typeof(StrongBox<>).MakeGenericType(_elementType))
)
),
Ast.Read(_tmp)
),
// Condition requires types of both expressions to be identical.
// Putting the cast here is a temporary workaround until the
// emit address and reference argument passing is finished.
Ast.Convert(
Ast.Call(
typeof(BinderOps).GetMethod("IncorrectBoxType"),
Ast.Constant(BoxType),
Ast.ConvertHelper(parameters[Index], typeof(object))
),
_elementType
)
);
}
internal override Expression ToExpression(MethodBinderContext context, Expression[] parameters) {
object val = _defaultValue;
if(val is Missing) {
val = CompilerHelpers.GetMissingValue(_argumentType);
}
#if FULL
if (_argumentType.IsByRef) {
Variable tmp = context.GetTemporary(_argumentType.GetElementType(), "optRef");
return Ast.Comma(
Ast.Assign(
tmp,
Ast.Convert(Ast.Constant(val), tmp.Type)
),
Ast.Read(tmp)
);
}
#endif
return context.ConvertExpression(Ast.Constant(val), _argumentType);
}