/// <summary>
/// Tries to convert a CLR object to a MoonSharp value, using "trivial" logic.
/// Skips on custom conversions, etc.
/// Does NOT throw on failure.
/// </summary>
internal static DynValue TryObjectToTrivialDynValue(Script script, object obj)
{
if (obj == null)
{
return(DynValue.Nil);
}
if (obj is DynValue value)
{
return(value);
}
var t = obj.GetType();
if (obj is bool b)
{
return(DynValue.NewBoolean(b));
}
if (obj is string || obj is StringBuilder || obj is char)
{
return(DynValue.NewString(obj.ToString()));
}
if (NumericConversions.NumericTypes.Contains(t))
{
return(DynValue.NewNumber(NumericConversions.TypeToDouble(t, obj)));
}
if (obj is Table table)
{
return(DynValue.NewTable(table));
}
return(null);
}
/// <summary>
/// Tries to convert a CLR object to a MoonSharp value, using "simple" logic.
/// Does NOT throw on failure.
/// </summary>
internal static DynValue TryObjectToSimpleDynValue(Script script, object obj)
{
if (obj == null)
{
return(DynValue.Nil);
}
if (obj is DynValue value)
{
return(value);
}
var converter = Script.GlobalOptions.CustomConverters.GetClrToScriptCustomConversion(obj.GetType());
if (converter != null)
{
var v = converter(script, obj);
if (v != null)
{
return(v);
}
}
var t = obj.GetType();
if (obj is bool b)
{
return(DynValue.NewBoolean(b));
}
if (obj is string || obj is StringBuilder || obj is char)
{
return(DynValue.NewString(obj.ToString()));
}
if (obj is Closure closure)
{
return(DynValue.NewClosure(closure));
}
if (NumericConversions.NumericTypes.Contains(t))
{
return(DynValue.NewNumber(NumericConversions.TypeToDouble(t, obj)));
}
if (obj is Table table)
{
return(DynValue.NewTable(table));
}
if (obj is CallbackFunction function)
{
return(DynValue.NewCallback(function));
}
if (obj is Delegate d)
{
var mi = d.Method;
if (CallbackFunction.CheckCallbackSignature(mi, false))
{
return(DynValue.NewCallback((Func <ScriptExecutionContext, CallbackArguments, DynValue>)d));
}
}
return(null);
}
/// <summary>
/// Tries to convert a CLR object to a MoonSharp value, using more in-depth analysis
/// </summary>
internal static DynValue ObjectToDynValue(Script script, object obj)
{
var v = TryObjectToSimpleDynValue(script, obj);
if (v != null)
{
return(v);
}
v = UserData.Create(obj);
if (v != null)
{
return(v);
}
if (obj is Type type)
{
v = UserData.CreateStatic(type);
}
// unregistered enums go as integers
if (obj is Enum)
{
return(DynValue.NewNumber(NumericConversions.TypeToDouble(Enum.GetUnderlyingType(obj.GetType()), obj)));
}
if (v != null)
{
return(v);
}
if (obj is Delegate d)
{
return(DynValue.NewCallback(CallbackFunction.FromDelegate(script, d)));
}
if (obj is MethodInfo mi)
{
if (mi.IsStatic)
{
return(DynValue.NewCallback(CallbackFunction.FromMethodInfo(script, mi)));
}
}
if (obj is IList list)
{
var t = TableConversions.ConvertIListToTable(script, list);
return(DynValue.NewTable(t));
}
if (obj is IDictionary dict)
{
var t = TableConversions.ConvertIDictionaryToTable(script, dict);
return(DynValue.NewTable(t));
}
var enumerator = EnumerationToDynValue(script, obj);
if (enumerator != null)
{
return(enumerator);
}
throw ScriptRuntimeException.ConvertObjectFailed(obj);
}
/// <summary>
/// Tries to convert a CLR object to a MoonSharp value, using more in-depth analysis
/// </summary>
internal static DynValue ObjectToDynValue(Script script, object obj)
{
if (obj == null)
{
return(DynValue.Nil);
}
if (obj is DynValue _dyn)
{
return(_dyn);
}
if (obj is Task task)
{
return(ObjectToDynValue(script, new TaskWrapper(task)));
}
DynValue v = TryObjectToSimpleDynValue(script, obj);
if (v.IsNotNil())
{
return(v);
}
v = UserData.Create(obj);
if (v.IsNotNil())
{
return(v);
}
if (obj is Type)
{
v = UserData.CreateStatic(obj as Type);
}
// unregistered enums go as integers
if (obj is Enum)
{
return(DynValue.NewNumber(NumericConversions.TypeToDouble(Enum.GetUnderlyingType(obj.GetType()), obj)));
}
if (v.IsNotNil())
{
return(v);
}
if (obj is Delegate)
{
return(DynValue.NewCallback(CallbackFunction.FromDelegate(script, (Delegate)obj)));
}
if (obj is MethodInfo)
{
MethodInfo mi = (MethodInfo)obj;
if (mi.IsStatic)
{
return(DynValue.NewCallback(CallbackFunction.FromMethodInfo(script, mi)));
}
}
if (obj is System.Collections.IList)
{
Table t = TableConversions.ConvertIListToTable(script, (System.Collections.IList)obj);
return(DynValue.NewTable(t));
}
if (obj is System.Collections.IDictionary)
{
Table t = TableConversions.ConvertIDictionaryToTable(script, (System.Collections.IDictionary)obj);
return(DynValue.NewTable(t));
}
var enumerator = EnumerationToDynValue(script, obj);
if (enumerator.IsNotNil())
{
return(enumerator);
}
throw ScriptRuntimeException.ConvertObjectFailed(obj);
}
/// <summary>
/// Tries to convert a CLR object to a MoonSharp value, using "simple" logic.
/// Does NOT throw on failure.
/// </summary>
internal static DynValue TryObjectToSimpleDynValue(Script script, object obj)
{
if (obj == null)
{
return(DynValue.Nil);
}
if (obj is DynValue)
{
return((DynValue)obj);
}
var converter = Script.GlobalOptions.CustomConverters.GetClrToScriptCustomConversion(obj.GetType());
if (converter != null)
{
var v = converter(script, obj);
if (v.IsValid)
{
return(v);
}
}
Type t = obj.GetType();
if (obj is bool)
{
return(DynValue.NewBoolean((bool)obj));
}
if (obj is string || obj is StringBuilder || obj is char)
{
return(DynValue.NewString(obj.ToString()));
}
if (obj is Closure)
{
return(DynValue.NewClosure((Closure)obj));
}
if (NumericConversions.NumericTypes.Contains(t))
{
return(DynValue.NewNumber(NumericConversions.TypeToDouble(t, obj)));
}
if (obj is Table)
{
return(DynValue.NewTable((Table)obj));
}
if (obj is CallbackFunction)
{
return(DynValue.NewCallback((CallbackFunction)obj));
}
if (obj is Delegate)
{
Delegate d = (Delegate)obj;
#if NETFX_CORE
MethodInfo mi = d.GetMethodInfo();
#else
MethodInfo mi = d.Method;
#endif
if (CallbackFunction.CheckCallbackSignature(mi, false))
{
return(DynValue.NewCallback((Func <ScriptExecutionContext, CallbackArguments, DynValue>)d));
}
}
return(DynValue.Invalid);
}
/// <summary>
/// Tries to convert a CLR object to a MoonSharp value, using more in-depth analysis
/// </summary>
internal static DynValue ObjectToDynValue(Script script, object obj)
{
DynValue v = TryObjectToSimpleDynValue(script, obj);
if (v != null)
{
return(v);
}
v = UserData.Create(obj);
if (v != null)
{
return(v);
}
if (obj is Type)
{
v = UserData.CreateStatic(obj as Type);
}
// unregistered enums go as integers
if (obj is Enum)
{
return(DynValue.NewNumber(NumericConversions.TypeToDouble(Enum.GetUnderlyingType(obj.GetType()), obj)));
}
if (v != null)
{
return(v);
}
if (obj is Delegate)
{
return(DynValue.NewCallback(CallbackFunction.FromDelegate(script, (Delegate)obj)));
}
if (obj is MethodInfo)
{
MethodInfo mi = (MethodInfo)obj;
if (mi.IsStatic)
{
return(DynValue.NewCallback(CallbackFunction.FromMethodInfo(script, mi)));
}
}
if (obj is System.Collections.IList)
{
Table t = TableConversions.ConvertIListToTable(script, (System.Collections.IList)obj);
return(DynValue.NewTable(t));
}
if (obj is System.Collections.IDictionary)
{
Table t = TableConversions.ConvertIDictionaryToTable(script, (System.Collections.IDictionary)obj);
return(DynValue.NewTable(t));
}
#if HASDYNAMIC
var objType = obj.GetType();
#if PCL
var isTuple = objType.IsGenericType && objType.GetInterfaces().Where(f => f.Name == "ITuple").Count() > 0;
#else
var isTuple = objType.IsGenericType && objType.GetInterface("ITuple") != null;
#endif
if (isTuple)
{
var args = objType.GetGenericArguments().Length;
var vals = new DynValue[args];
for (int i = 0; i < args; i++)
{
var prop = objType.GetProperty("Item" + (i + 1));
var val = prop.GetValue(obj, null);
vals[i] = DynValue.FromObject(script, val);
}
return(DynValue.NewTupleNested(vals));
}
#endif
var enumerator = EnumerationToDynValue(script, obj);
if (enumerator != null)
{
return(enumerator);
}
throw ScriptRuntimeException.ConvertObjectFailed(obj);
}