/// <summary>
/// This is the most generic method for setting a member's value.
/// It will attempt to resolve the member by name and the set its value by invoking the
/// callsite's delegate
/// </summary>
private static void SetMember <T> (CallSite site, object o, T value)
{
#if BINDERS_RUNTIME_STATS
Stats.Increment(StatsCounter.SetMemberBinderInvoked);
#endif
var binder = (PSSetMemberBinder)site.Binder;
// resolve as dictionary
var dict = o as IDictionary;
if (dict != null)
{
// special case this since it happens so much in object initialization
dict[binder.name] = value;
return;
}
// determine if this is a instance member or a static member
bool isStatic;
Type otype;
if (o is System.Type)
{
// static member
otype = (System.Type)o;
o = null;
isStatic = true;
}
else
{
// instance member
otype = o.GetType();
isStatic = false;
}
// see if binding type is the same
if (otype == binder.type)
{
// use cached resolve
if (binder.property != null)
{
Action <T> action;
if (o == binder.previousTarget)
{
action = (Action <T>)binder.previousAction;
}
else
{
binder.previousAction = action = ActionCreator.CreatePropertySetAction <T>(o, binder.property);
binder.previousTarget = o;
}
action(value);
return;
}
if (binder.field != null)
{
object newValue = PlayScript.Dynamic.ConvertValue(value, binder.field.FieldType);
binder.field.SetValue(o, newValue);
return;
}
// resolve as dynamic class
var dc = o as IDynamicClass;
if (dc != null)
{
dc.__SetDynamicValue(binder.name, value);
return;
}
throw new System.InvalidOperationException("Unhandled member type in PSSetMemberBinder");
}
// resolve name
#if BINDERS_RUNTIME_STATS
Stats.Increment(StatsCounter.SetMemberBinder_Resolve_Invoked);
#endif
otype = o.GetType();
isStatic = false;
// resolve as property
var property = otype.GetProperty(binder.name);
if (property != null)
{
// found property
var setter = property.GetSetMethod();
if (setter != null && setter.IsPublic && setter.IsStatic == isStatic)
{
// setup binding to property
binder.type = otype;
binder.property = property;
binder.field = null;
object newValue = PlayScript.Dynamic.ConvertValue(value, binder.property.PropertyType);
binder.property.SetValue(o, newValue, null);
return;
}
}
// resolve as field
var field = otype.GetField(binder.name);
if (field != null)
{
// found field
if (field.IsPublic && field.IsStatic == isStatic)
{
// setup binding to field
binder.type = otype;
binder.property = null;
binder.field = field;
object newValue = PlayScript.Dynamic.ConvertValue(value, binder.field.FieldType);
binder.field.SetValue(o, newValue);
return;
}
}
if (o is IDynamicClass)
{
// dynamic class
binder.type = otype;
binder.property = null;
binder.field = null;
((IDynamicClass)o).__SetDynamicValue(binder.name, value);
return;
}
// could not resolve name as property or field, and is not dynamic class or dictionary
// invoke callback
if (Binder.OnSetMemberError != null)
{
Binder.OnSetMemberError(o, binder.name, value);
}
}
public T SetMember <T>(object o, T value, bool valueTypeIsConstant = false)
{
Stats.Increment(StatsCounter.SetMemberBinderInvoked);
TypeLogger.LogType(o);
// get accessor for value type T
var accessor = o as IDynamicAccessor <T>;
if (accessor != null)
{
accessor.SetMember(mName, ref mNameHint, value);
return(value);
}
// fallback on untyped accessor
var untypedAccessor = o as IDynamicAccessorUntyped;
if (untypedAccessor != null)
{
untypedAccessor.SetMember(mName, ref mNameHint, (object)value);
return(value);
}
// resolve as dictionary
var dict = o as IDictionary;
if (dict != null)
{
// special case this since it happens so much in object initialization
dict[mName] = value;
return(value);
}
// determine if this is a instance member or a static member
bool isStatic;
Type otype;
if (o is System.Type)
{
// static member
otype = (System.Type)o;
o = null;
isStatic = true;
}
else
{
// instance member
otype = o.GetType();
isStatic = false;
}
// see if binding type is the same
if (otype == mType)
{
// use cached resolve
if (mProperty != null)
{
Action <T> action;
if (o == mPreviousTarget)
{
action = (Action <T>)mPreviousAction;
}
else
{
mPreviousAction = action = ActionCreator.CreatePropertySetAction <T>(o, mProperty);
mPreviousTarget = o;
}
action(value);
return(value);
}
// use cached resolve
if (mProperty != null)
{
mArgs[0] = value;
mPropertySetter.Invoke(o, BindingFlags.SuppressChangeType, null, mArgs, null);
return(value);
}
if (mField != null)
{
mField.SetValue(o, value);
return(value);
}
// resolve as dynamic class
var dc = o as IDynamicClass;
if (dc != null)
{
dc.__SetDynamicValue(mName, value);
return(value);
}
throw new System.InvalidOperationException("Unhandled member type in PSSetMemberBinder");
}
// resolve name
Stats.Increment(StatsCounter.SetMemberBinder_Resolve_Invoked);
Stats.Start(StatsCounter.SetMemberBinder_Resolve_Time);
// resolve as property
// TODO: we allow access to non-public properties for simplicity,
// should cleanup to check access levels
var property = otype.GetProperty(mName, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
if (property != null)
{
// found property
var setter = property.GetSetMethod();
if (setter != null && setter.IsStatic == isStatic)
{
// setup binding to property
mType = otype;
mProperty = property;
mPropertySetter = property.GetSetMethod();
mField = null;
mPreviousAction = null;
mPreviousTarget = null;
mArgs[0] = PlayScript.Dynamic.ConvertValue(value, property.PropertyType);
mPropertySetter.Invoke(o, mArgs);
Stats.Stop(StatsCounter.SetMemberBinder_Resolve_Time);
return(value);
}
}
// resolve as field
// TODO: we allow access to non-public fields for simplicity,
// should cleanup to check access levels
var field = otype.GetField(mName, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
if (field != null)
{
// found field
if (field.IsStatic == isStatic)
{
// setup binding to field
mType = otype;
mProperty = null;
mField = field;
mPreviousAction = null;
mPreviousTarget = null;
// resolve conversion function
object newValue = PlayScript.Dynamic.ConvertValue(value, mField.FieldType);
mField.SetValue(o, newValue);
Stats.Stop(StatsCounter.SetMemberBinder_Resolve_Time);
return(value);
}
}
if (o is IDynamicClass)
{
// dynamic class
mType = otype;
mProperty = null;
mField = null;
mPreviousAction = null;
mPreviousTarget = null;
((IDynamicClass)o).__SetDynamicValue(mName, value);
Stats.Stop(StatsCounter.SetMemberBinder_Resolve_Time);
return(value);
}
Stats.Stop(StatsCounter.SetMemberBinder_Resolve_Time);
// failed
return(default(T));
}