public object Run(Scope scope, string code)
{
if(_cache.ContainsKey(code))
{
return _cache[code].Invoke(scope ?? _scope);
}
dynamic tree = null;
try
{
tree = new Esprima().Parse(code);
}
catch (Exception ex)
{
if (ex.Message.Contains("Invalid left-hand side in assignment"))
throw new ReferenceError(ex.Message);
throw new SyntaxError(ex.Message);
}
var ast = AstTree.Factory(tree);
_cache[code] = ast;
return ((IOperation)ast).Invoke(scope ?? _scope);
}
public object Get(Scope scope, string id)
{
object val = (scope ?? _scope).Get(id);
//if((scope ?? _scope).VarSet.ContainsKey(id))
//{
// val = (scope ?? _scope).VarSet[id];
//}
//if ((scope ?? _scope).ThisSet.ContainsKey(id))
//{
// val = (scope ?? _scope).ThisSet[id];
//}
return val;
//return Util.GetValue(val);
}
public object Invoke(Scope scope)
{
var index = 0;
if (Arguments != null)
Arguments.ForEach(a =>
{
object val = null;
if (a is Literal)
val = ((Literal)a).Value;
else
val = ((IOperation) a).Invoke(scope);
try
{
scope.SetArgument(((Identifier)Params[index]).Id, val);
}
catch (Exception)
{
scope.SetArgument(Guid.NewGuid().ToString(), val);
}
index++;
});
return ((IOperation)Body).Invoke(scope);
}
public void SetCurrentScope(Scope scope)
{
_scope = scope;
}
public void CloneVarSet(Scope newScope)
{
foreach (var m in VarSet) { newScope.VarSet[m.Key] = m.Value; }
}
public void CloneThisSet(Scope newScope)
{
foreach (var m in ThisSet) { newScope.ThisSet[m.Key] = m.Value; }
}
public void CloneFunctionSet(Scope newScope)
{
foreach (var m in FunctionSet) { newScope.FunctionSet[m.Key] = m.Value; }
}
public void Set(Scope scope, string id, object instance)
{
(scope ?? _scope).SetThis(id, instance);
}
