public static NovaBoxedInstance Box(object obj, NovaScope scope = null)
{
if (obj == null)
{
return(null);
}
if (_boxCache.ContainsKey(obj))
{
_boxCache[obj].BoxedScope.MergeWithScope(scope ?? new NovaScope());
return(_boxCache[obj]);
}
var boxed = new NovaBoxedInstance(obj, scope ?? new NovaScope());
_boxCache[obj] = boxed;
if (scope != null)
{
string name;
var _scope = scope.SearchForObject(obj, out name);
if (_scope != null)
{
_scope[name] = boxed;
}
}
return(boxed);
}
public NovaPartialFunction(NovaFunction function, List <FunctionArgument> args, NovaScope scope)
: base(function.Name, new List <FunctionArgument>(), null, null)
{
WrappedFunction = function;
PartialArguments = args;
WrappedScope = scope;
}
public NovaFunction(string name, List <FunctionArgument> arguments, BlockExpression body, NovaScope context)
{
Name = name;
Arguments = arguments;
Body = body;
Context = context;
}
internal NovaClass()
{
ClassMethods = new Dictionary <string, NovaMethodTable>();
InstanceMethods = new Dictionary <string, NovaMethodTable>();
UndefinedMethods = new List <string>();
RemovedMethods = new List <string>();
Context = new NovaScope();
}
public NovaInstance(NovaClass @class)
{
_class = @class;
SingletonMethods = new Dictionary <string, NovaFunction>();
UndefinedMethods = new List <string>();
RemovedMethods = new List <string>();
InstanceVariables = new NovaScope();
}
public NovaScope(NovaScope parent)
{
Variables = new Dictionary <string, dynamic>();
SymVars = new Dictionary <Symbol, dynamic>();
ParentScope = parent;
Aliases = new Dictionary <string, string>();
Constants = new List <string>();
}
internal static dynamic CompileExpression(Expression e, NovaScope scope)
{
Expression newExpression = NovaExpression.Convert(e, typeof(object));
newExpression.SetScope(scope);
var l = CreateLambdaForExpression(newExpression);
return(l());
}
internal static dynamic Invoke(Type targetType, MethodBase minfo, List <FunctionArgument> args,
NovaScope scope)
{
var isClassMethod = minfo.IsStatic;
object target = scope.Variables.ContainsKey("self")
? scope["self"]
: isClassMethod ? targetType : targetType.GetConstructor(new Type[] {}).Invoke(null);
var arguments = new List <object>();
args.ForEach(arg => {
var _val = CompilerServices.CompileExpression(arg.Value, scope);
if (_val is NovaString)
{
_val = (string)_val;
}
if (_val is NovaNumber)
{
_val = NovaNumber.Convert((NovaNumber)_val);
}
arguments.Add(_val);
});
while (arguments.Count < minfo.GetParameters().Count())
{
arguments.Add(null);
}
if (minfo.IsConstructor)
{
var ctor = (ConstructorInfo)minfo;
return(ctor.Invoke(arguments.ToArray()));
}
if (target is NovaInstance && !(target is NovaBoxedInstance) &&
((NovaInstance)target).BackingObject != null)
{
target = ((NovaInstance)target).BackingObject;
}
dynamic val = null;
if (((MethodInfo)minfo).ReturnType != typeof(void))
{
val = minfo.Invoke(target, arguments.ToArray());
}
else
{
minfo.Invoke(target, arguments.ToArray());
}
return(val);
}
private dynamic Resolve(Symbol sym, NovaScope startingScope)
{
if (SymVars.ContainsKey(sym))
{
return(SymVars[sym]);
}
if (ParentScope != null)
{
return(ParentScope.Resolve(sym, startingScope));
}
return(startingScope.Resolve(sym.Name));
}
public static NovaBoxedInstance BoxNoCache(object obj, NovaScope scope = null)
{
if (obj == null)
{
return(null);
}
var boxed = new NovaBoxedInstance(obj, scope ?? new NovaScope());
if (scope != null)
{
string name;
var _scope = scope.SearchForObject(obj, out name);
if (_scope != null)
{
_scope[name] = boxed;
}
}
return(boxed);
}
internal static dynamic DefineModule(object rawName, List <Expression> contents, object rawScope)
{
lock (_classDefineLock) {
var scope = (NovaScope)rawScope;
var defineScope = _inClassDefine ? scope : scope.GlobalScope;
var name = (string)rawName;
var xScope = new NovaScope(scope);
var module = new NovaModule {
Name = name, Context = scope
};
contents.ForEach(content => module.Contents.Add(CompilerServices.CompileExpression(content, xScope)));
defineScope[module.Name] = module;
return(module);
}
}
internal object Run(NovaScope scope)
{
var body = (BlockExpression)Body;
body.SetScope(scope);
body.SetChildrenScopes(body.Scope);
var block = CompilerServices.CreateLambdaForExpression(Expression.Block(body));
var res = block();
if (res is Symbol)
{
var symval = new BlockExpression(new List <Expression> {
new VariableExpression(res)
}, body.Scope);
res = CompilerServices.CreateLambdaForExpression(symval)();
}
return(res);
}
public NovaClass(string name, NovaClass parent, List <NovaFunction> classMethods,
List <NovaFunction> instanceMethods)
{
Name = name;
ClassMethods = new Dictionary <string, NovaMethodTable>();
classMethods.ForEach(func => AddMethod(ClassMethods, func));
if (!ClassMethods.ContainsKey("new"))
{
AddMethod(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()));
}
InstanceMethods = new Dictionary <string, NovaMethodTable>();
instanceMethods.ForEach(func => AddMethod(InstanceMethods, func));
UndefinedMethods = new List <string>();
RemovedMethods = new List <string>();
Context = new NovaScope();
Parent = parent;
}
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);
}
}
public NovaModule(string name, NovaScope context, List <object> contents)
{
Name = name;
Contents = contents;
Context = context;
}
internal static dynamic String(object rawEval, object rawScope)
{
StringBuilder @new;
var eval = rawEval as String;
var components = eval.Split(new[] { "#{" }, StringSplitOptions.None);
if (components.Count() == 1)
{
return(new NovaString(eval));
}
@new = new StringBuilder(components[0]);
for (var i = 1; i < components.Count(); i++)
{
var parts = components[i].Split(new[] { "}" }, StringSplitOptions.None);
var expression = parts[0];
var escapeString = false;
if (expression != null && expression[0] == ':')
{
escapeString = true;
expression = expression.Substring(1);
}
if (expression != null)
{
var scope = (NovaScope)rawScope;
var xexpression = string.Format("{0};", expression);
var res = NovaParser.Parse(xexpression);
Expression block;
if (res != null)
{
block = NovaExpression.NovaBlock(res);
}
else
{
return(null);
}
var myScope = new NovaScope();
var visitor = new VariableNameVisitor();
visitor.Visit(block);
visitor.VariableNames.ForEach(name => myScope[name] = scope[name]);
var val = CompilerServices.CompileExpression(block, myScope);
if (val != null)
{
string stringVal = val.ToString();
if (escapeString && val is string)
{
stringVal = string.Format("\"{0}\"", stringVal);
}
@new.Append(stringVal ?? "");
}
else
{
@new.Append(expression);
}
}
if (parts.Count() > 1)
{
@new.Append(parts[1]);
var j = 2;
while (j < parts.Count())
{
@new.Append("}");
@new.Append(parts[j++]);
}
}
}
return(new NovaString(@new.ToString()));
}
public void SetScope(NovaScope scope)
{
_scope = scope;
}
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);
}
}
public void MergeWithScope(NovaScope other)
{
Variables = other.Variables.MergeLeft(Variables);
SymVars = other.SymVars.MergeLeft(SymVars);
}
internal NovaBoxedInstance(object obj, NovaScope scope, NovaClass @class) : base(@class)
{
BoxedObject = obj;
BoxedScope = scope;
}
protected NovaBoxedInstance(object obj, NovaScope scope) : base(GetBoxClass(obj))
{
BoxedObject = obj;
BoxedScope = scope;
}
