public TypeSymbol EmitConvertToPhpValue(TypeSymbol from, TypeRefMask fromHint)
{
// Nullable<T> -> HasValue ? T : NULL
if (from.IsNullableType())
{
from = EmitNullableCastToNull(from, false); // (HasValue ? Value : NULL)
}
var conv = DeclaringCompilation.ClassifyCommonConversion(from, CoreTypes.PhpValue.Symbol);
if (conv.IsImplicit)
{
this.EmitConversion(conv, from, CoreTypes.PhpValue.Symbol);
}
else
{
// some conversion we did not implement as operator yet:
if (from.IsReferenceType)
{
EmitCall(ILOpCode.Call, CoreMethods.PhpValue.FromClass_Object)
.Expect(CoreTypes.PhpValue);
}
else if (from.SpecialType == SpecialType.System_Void)
{
// PhpValue.Void
Emit_PhpValue_Void();
}
else
{
throw ExceptionUtilities.NotImplementedException(this, $"{from.Name} -> PhpValue");
}
}
//
return(CoreTypes.PhpValue);
}