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);
}
}
internal static dynamic SingletonDefine(Expression rawSingleton, object rawName, object rawArguments,
object rawBody, object rawScope)
{
var scope = (NovaScope)rawScope;
var name = (string)rawName;
var args = (List <FunctionArgument>)rawArguments;
var body = (BlockExpression)rawBody;
var function = new NovaFunction(name, args, body, scope);
object singleton = CompilerServices.CompileExpression(rawSingleton, scope);
if ((singleton is NovaClass))
{
var @class = (NovaClass)singleton;
if (_inClassDefine)
{
if (@class.Name == _className)
{
function.IsSingleton = true;
return(function);
}
NovaClass.AddMethod(@class.InstanceMethods, function);
if (@class.RemovedMethods.Contains(name))
{
@class.RemovedMethods.Remove(name);
}
if (@class.UndefinedMethods.Contains(name))
{
@class.UndefinedMethods.Remove(name);
}
}
else
{
NovaClass.AddMethod(@class.InstanceMethods, function);
if (@class.RemovedMethods.Contains(name))
{
@class.RemovedMethods.Remove(name);
}
if (@class.UndefinedMethods.Contains(name))
{
@class.UndefinedMethods.Remove(name);
}
}
}
else if (singleton is NovaInstance)
{
var @object = (NovaInstance)singleton;
@object.SingletonMethods[name] = function;
if (@object.RemovedMethods.Contains(name))
{
@object.RemovedMethods.Remove(name);
}
if (@object.UndefinedMethods.Contains(name))
{
@object.UndefinedMethods.Remove(name);
}
}
return(function);
}
internal static dynamic DefineCategory(NovaClass @class, List <Expression> contents, object rawScope)
{
lock (_classDefineLock) {
var scope = (NovaScope)rawScope;
_inClassDefine = true;
_className = @class.Name;
scope["self"] = @class;
scope[_className] = @class;
_currentClassScope = scope;
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 != null && (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);
}
}
});
scope.MergeWithScope(module.Context);
}
else if (module is NovaClass)
{
scope[((NovaClass)module).Name] = module;
}
}
}
});
contents.ForEach(content => {
if (!(content is IncludeExpression))
{
var result = CompilerServices.CompileExpression(content, scope);
if (result is NovaFunction)
{
if ((result as NovaFunction).IsSingleton)
{
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);
}
}
}
});
@class.Context.MergeWithScope(scope);
return(@class);
}
}