internal static dynamic DefineClassOpen(object rawValue, List <Expression> contents, object rawScope)
{
var scope = (NovaScope)rawScope;
var value = CompilerServices.CompileExpression((Expression)rawValue, scope);
if (value == null)
{
return(null);
}
var @class = value as NovaClass;
if (@class != null)
{
return(DefineCategory(@class, contents, scope));
}
var instance = value as NovaInstance;
if (instance != null)
{
return(DefineCategory(instance.Class, contents, scope));
}
var newVal = Nova.Box(value);
return(DefineCategory(((NovaInstance)newVal).Class, contents, scope));
}
public NovaException(NovaInstance obj)
{
var klass = obj.Class;
var exceptionFound = false;
var _class = obj.Class;
do
{
if (_class.Name.Equals("Exception"))
{
exceptionFound = true;
break;
}
_class = _class.Parent;
} while (!exceptionFound && _class != null);
if (exceptionFound)
{
ExceptionClass = klass;
InnerObject = obj;
}
else
{
ExceptionClass = Nova.Box(typeof(NovaException));
InnerObject = null;
}
}
private static dynamic Compare(object left, object right, object rawScope)
{
var scope = (NovaScope)rawScope;
var NovaName = "<=>";
var clrName = InteropBinder.ToClrOperatorName(NovaName);
if (left is NovaInstance)
{
var lo = (NovaInstance)left;
var dmo = lo.GetMetaObject(Expression.Constant(left));
if (InteropBinder.InvokeMember.SearchForFunction(lo.Class, NovaName, lo, L(Arg(right)), true) != null)
{
return(dmo.BindInvokeMember(new InteropBinder.InvokeMember(NovaName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
if (InteropBinder.InvokeMember.SearchForFunction(lo.Class, clrName, lo, L(Arg(right)), true) != null)
{
return(dmo.BindInvokeMember(new InteropBinder.InvokeMember(clrName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
}
var Value = Nova.Box(left);
if (Value.Class != null)
{
var _dmo = Value.GetMetaObject(Expression.Constant(Value));
if (InteropBinder.InvokeMember.SearchForFunction(Value.Class, NovaName, Value, L(Arg(right)), true) !=
null)
{
return(_dmo.BindInvokeMember(new InteropBinder.InvokeMember(NovaName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
if (InteropBinder.InvokeMember.SearchForFunction(Value.Class, clrName, Value, L(Arg(right)), true) !=
null)
{
return(_dmo.BindInvokeMember(new InteropBinder.InvokeMember(clrName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
}
dynamic _left = left;
dynamic _right = right;
if (_left < _right)
{
return(-1);
}
if (_left > _right)
{
return(1);
}
return(0);
}
internal static dynamic Resolve(object rawName, object rawScope)
{
if (rawName.GetType() == typeof(InstanceReference))
{
var iref = (InstanceReference)rawName;
var lval = CompilerServices.CompileExpression(iref.LValue, (NovaScope)rawScope);
var gmArgs = new List <Expression>();
gmArgs.Add(Expression.Constant(lval, typeof(object)));
return(Dynamic(typeof(object), new InteropBinder.GetMember(iref.Key, (NovaScope)rawScope), gmArgs));
}
var name = (string)rawName;
var scope = (NovaScope)rawScope;
if (name.StartsWith("$") && name != "$:")
{
scope = scope.GlobalScope;
name = name.Substring(1);
}
if (name.StartsWith("@") && scope["<nova_context_invokemember>"] != null)
{
if (name.StartsWith("@@"))
{
var _val = Resolve("self", scope);
if (!(_val is NovaInstance))
{
// native object?
_val = Nova.Box((object)_val, scope);
}
var @class = ((NovaInstance)_val).Class;
return
(CompilerServices.CompileExpression(
NovaExpression.Variable(NovaExpression.InstanceRef(Expression.Constant(@class),
Expression.Constant(name.Substring(2)))), scope));
}
return
(CompilerServices.CompileExpression(
NovaExpression.Variable(
NovaExpression.InstanceRef(NovaExpression.Variable(Expression.Constant("self")),
Expression.Constant(name.Substring(1)))), scope));
}
var val = scope[name];
// The cast is needed here because if we get a non-nullable type (such as System.Int32) the check here will throw an exception.
// By casting to System.Object we can avoid the exception since it is a boxed value that can be null.
if ((object)val == null)
{
Type type;
if ((type = NovaTypeResolver.Resolve(name)) != null)
{
var @class = NovaClass.BoxClass(type);
scope.GlobalScope[@class.Name] = @class;
val = @class;
}
}
return(val);
}
internal static dynamic ObjectMethodChange(object rawSelf, object rawName, bool isRemove, object rawScope)
{
var scope = (NovaScope)rawScope;
var name = (string)rawName;
var self = CompilerServices.CompileExpression((Expression)rawSelf, scope);
var @class = self as NovaClass;
if (@class != null)
{
if (isRemove)
{
@class.RemovedMethods.Add(name);
}
else
{
@class.UndefinedMethods.Add(name);
}
}
else
{
var instance = self as NovaInstance;
if (instance != null)
{
if (isRemove)
{
instance.RemovedMethods.Add(name);
}
else
{
instance.UndefinedMethods.Add(name);
}
}
else
{
var newVal = Nova.Box(self);
if (isRemove)
{
((NovaInstance)newVal).RemovedMethods.Add(name);
}
else
{
((NovaInstance)newVal).UndefinedMethods.Add(name);
}
}
}
return(null);
}
public void MergeWithScope(ScriptScope scope)
{
scope.GetVariableNames().ToList().ForEach(name => {
if (!Variables.ContainsKey(name))
{
var val = scope.GetVariable(name);
// Runtime classes we should wrap to get desired effect
if (val is NovaArray || val is NovaDictionary || val is NovaString || val is NovaNumber)
{
val = Nova.Box(val);
}
Variables[name] = val;
}
});
}
public void MergeWithScope(Scope scope)
{
List <KeyValuePair <string, dynamic> > items = scope.Storage.GetItems();
foreach (var item in items)
{
if (!Variables.ContainsKey(item.Key))
{
var val = item.Value;
// Runtime classes we should wrap to get desired effect
if (val is NovaArray || val is NovaDictionary || val is NovaString || val is NovaNumber)
{
val = Nova.Box(val);
}
Variables[item.Key] = val;
}
}
}
private static dynamic Match(object rawLeft, object rawRight, NovaExpressionType novaBinaryNodeType, object rawScope)
{
var scope = (NovaScope)rawScope;
var left = CompilerServices.CompileExpression((Expression)rawLeft, scope);
var right = CompilerServices.CompileExpression((Expression)rawRight, scope);
var NovaName = "=~";
var clrName = InteropBinder.ToClrOperatorName(NovaName);
if (left is NovaInstance)
{
var lo = (NovaInstance)left;
DynamicMetaObject dmo = lo.GetMetaObject(Expression.Constant(left));
if (InteropBinder.InvokeMember.SearchForFunction(lo.Class, NovaName, lo, L(Arg(right)), true) != null)
{
if (novaBinaryNodeType == NovaExpressionType.NotMatch)
{
return(!dmo.BindInvokeMember(new InteropBinder.InvokeMember(NovaName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
return(dmo.BindInvokeMember(new InteropBinder.InvokeMember(NovaName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
if (InteropBinder.InvokeMember.SearchForFunction(lo.Class, clrName, lo, L(Arg(right)), true) != null)
{
if (novaBinaryNodeType == NovaExpressionType.NotMatch)
{
return(!dmo.BindInvokeMember(new InteropBinder.InvokeMember(clrName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
return(dmo.BindInvokeMember(new InteropBinder.InvokeMember(clrName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
}
var Value = Nova.Box(left);
if (Value.Class != null)
{
var _dmo = Value.GetMetaObject(Expression.Constant(Value));
if (InteropBinder.InvokeMember.SearchForFunction(Value.Class, NovaName, Value, L(Arg(right)), true) !=
null)
{
if (novaBinaryNodeType == NovaExpressionType.NotMatch)
{
return(!_dmo.BindInvokeMember(new InteropBinder.InvokeMember(NovaName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
return(_dmo.BindInvokeMember(new InteropBinder.InvokeMember(NovaName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
if (InteropBinder.InvokeMember.SearchForFunction(Value.Class, clrName, Value, L(Arg(right)), true) !=
null)
{
if (novaBinaryNodeType == NovaExpressionType.NotMatch)
{
return(!_dmo.BindInvokeMember(new InteropBinder.InvokeMember(clrName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
return(_dmo.BindInvokeMember(new InteropBinder.InvokeMember(clrName, new CallInfo(1), scope),
_DMO(DMO(scope), DMO(Arg(right)))));
}
}
if (!(left is Regex || right is Regex))
{
return(null);
}
var left1 = left as Regex;
var regex = left1 ?? (Regex)right;
var str = (left is Regex) ? (string)right : (string)left;
if (!regex.Match(str).Success)
{
return(novaBinaryNodeType == NovaExpressionType.NotMatch);
}
var groups = regex.Match(str).Groups;
foreach (var groupName in regex.GetGroupNames())
{
scope[groupName] = groups[groupName].Value;
}
return(novaBinaryNodeType == NovaExpressionType.Match);
}
private static dynamic Box(object val)
{
return(Nova.Box(val));
}
private static NovaClass GetBoxClass(object obj)
{
return(Nova.Box(obj.GetType()));
}
internal static dynamic DefineClass(object rawName, object rawParent, List <Expression> contents, object rawScope)
{
lock (_classDefineLock) {
if (Resolve(rawName, rawScope) != null)
{
return(DefineCategory(Resolve(rawName, rawScope), contents, rawScope));
}
var scope = (NovaScope)rawScope;
var defineScope = _inClassDefine ? scope : scope.GlobalScope;
_inClassDefine = true;
NovaClass parent;
if (rawParent == null)
{
if (scope.GlobalScope["Object"] == null)
{
scope.GlobalScope["Object"] = Nova.Box(typeof(object));
}
parent = scope.GlobalScope["Object"];
}
else
{
var dParent = Resolve(rawParent as string, scope);
if (dParent == null)
{
_inClassDefine = false;
return(null);
}
if (dParent is Type)
{
parent = Nova.Box(dParent);
}
else
{
parent = dParent as NovaClass;
}
if (parent == null)
{
_inClassDefine = false;
return(null);
}
}
var name = (string)rawName;
_className = name;
var @class = new NovaClass {
Name = _className, Parent = parent
};
var xScope = new NovaScope(scope);
xScope["self"] = @class;
xScope[_className] = @class;
_currentClassScope = xScope;
contents.ForEach(content => {
if (content is IncludeExpression)
{
// We only include modules here so make sure this include references a module
var names = ((IncludeExpression)content).Names;
dynamic module = null;
var index = 0;
names.ForEach(mname => {
if ((module is NovaModule))
{
module = module.Context[mname];
}
else if (index == 0)
{
module = scope[mname];
}
index = index + 1;
});
if (module != null)
{
if (module is NovaModule)
{
((NovaModule)module).Contents.ForEach(mcon => {
if (mcon is NovaFunction)
{
if ((mcon as NovaFunction).IsSingleton ||
(mcon as NovaFunction).Name == "new")
{
NovaClass.AddMethod(@class.ClassMethods, mcon as NovaFunction);
}
else
{
NovaClass.AddMethod(@class.InstanceMethods, mcon as NovaFunction);
}
if (@class.RemovedMethods.Contains((mcon as NovaFunction).Name))
{
@class.RemovedMethods.Remove((mcon as NovaFunction).Name);
}
if (@class.UndefinedMethods.Contains((mcon as NovaFunction).Name))
{
@class.UndefinedMethods.Remove((mcon as NovaFunction).Name);
}
}
});
xScope.MergeWithScope(module.Context);
}
else if (module is NovaClass)
{
xScope[((NovaClass)module).Name] = module;
}
}
}
});
contents.ForEach(content => {
if (!(content is IncludeExpression))
{
var result = CompilerServices.CompileExpression(content, xScope);
if (result is NovaFunction)
{
if ((result as NovaFunction).IsSingleton || (result as NovaFunction).Name == "new")
{
NovaClass.AddMethod(@class.ClassMethods, result as NovaFunction);
}
else
{
NovaClass.AddMethod(@class.InstanceMethods, result as NovaFunction);
}
if (@class.RemovedMethods.Contains((result as NovaFunction).Name))
{
@class.RemovedMethods.Remove((result as NovaFunction).Name);
}
if (@class.UndefinedMethods.Contains((result as NovaFunction).Name))
{
@class.UndefinedMethods.Remove((result as NovaFunction).Name);
}
}
}
});
if ([email protected]("new"))
{
NovaClass.AddMethod(@class.ClassMethods, new NovaFunction("new", new List <FunctionArgument>(),
NovaExpression.NovaBlock(
NovaExpression.Return(new List <FunctionArgument> {
new FunctionArgument(null, NovaExpression.Variable(Expression.Constant("self")))
}),
Expression.Label(NovaParser.ReturnTarget, Expression.Constant(null, typeof(object)))),
new NovaScope()));
}
@class.Context = xScope;
defineScope[@class.Name] = @class;
_inClassDefine = false;
return(@class);
}
}
