public virtual IDynamic Call(IEnvironment environment, IDynamic thisBinding, IArgs args)
{
var oldContext = environment.Context;
var newEnvironment = Scope.NewDeclarativeEnvironment();
using (var newContext = environment.EnterContext())
{
newContext.LexicalEnviroment = newEnvironment;
newContext.VariableEnviroment = newEnvironment;
newContext.Strict = ExecutableCode.Strict;
if (ExecutableCode.Strict)
{
newContext.ThisBinding = thisBinding;
}
else
{
switch (thisBinding.TypeCode)
{
case LanguageTypeCode.Undefined:
case LanguageTypeCode.Null:
newContext.ThisBinding = Environment.GlobalObject;
break;
default:
newContext.ThisBinding = thisBinding.ConvertToObject();
break;
}
}
BindFormalParameters(args);
Environment.BindFunctionDeclarations(ExecutableCode.FunctionDeclarations, ExecutableCode.Strict, true);
BindArgumentsObject(args);
Environment.BindVariableDeclarations(ExecutableCode.VariableDeclarations, ExecutableCode.Strict, true);
return ExecutableCode.Code(environment, args);
}
}
public bool CombineGeneratorWithIterator(Generator generator, IDynamic other)
{
var iterable = other.ConvertToObject();
var createIterator = iterable.Get("createIterator") as ICallable;
if (createIterator == null)
{
throw CreateTypeError("");
}
var iterator = createIterator.Call(this, iterable, EmptyArgs).ConvertToObject();
if (!iterator.HasProperty("current"))
{
throw CreateTypeError("");
}
var next = iterator.Get("next") as ICallable;
if (next == null)
{
throw CreateTypeError("");
}
GeneratorStep step = null; step = (_e, _g) =>
{
if (!next.Call(this, Undefined, EmptyArgs).ConvertToBoolean().BaseValue)
{
return(false);
}
generator.Current = iterator.Get("current");
generator.Steps.Enqueue(step);
return(true);
};
return(step(this, generator));
}
public virtual IDynamic Op_In(IDynamic other)
{
if (other.TypeCode != LanguageTypeCode.Object)
{
throw Environment.CreateTypeError("");
}
var obj = other.ConvertToObject();
var prop = this.ConvertToString().BaseValue;
return(Environment.CreateBoolean(obj.HasProperty(prop)));
}
public Iterator(IEnvironment environment, IDynamic iterable)
{
_environment = environment;
var o = iterable.ConvertToObject();
var createIterator = o.Get("createIterator") as ICallable;
if (createIterator == null)
throw environment.CreateTypeError("The object supplied does not contain a callable property named 'createIterator'.");
_iterator = createIterator.Call(environment, iterable, environment.EmptyArgs).ConvertToObject();
if (!_iterator.HasProperty("current"))
throw environment.CreateTypeError("The object returned from the iterable supplied does not have a property named 'current'.");
_next = _iterator.Get("next") as ICallable;
if (_next == null)
throw environment.CreateTypeError("The object returned from the iterable supplied does not have a callable property named 'next'.");
}
public Iterator(IEnvironment environment, IDynamic iterable)
{
_environment = environment;
var o = iterable.ConvertToObject();
var createIterator = o.Get("createIterator") as ICallable;
if (createIterator == null)
{
throw environment.CreateTypeError("The object supplied does not contain a callable property named 'createIterator'.");
}
_iterator = createIterator.Call(environment, iterable, environment.EmptyArgs).ConvertToObject();
if (!_iterator.HasProperty("current"))
{
throw environment.CreateTypeError("The object returned from the iterable supplied does not have a property named 'current'.");
}
_next = _iterator.Get("next") as ICallable;
if (_next == null)
{
throw environment.CreateTypeError("The object returned from the iterable supplied does not have a callable property named 'next'.");
}
}
public virtual IDynamic Call(IEnvironment environment, IDynamic thisBinding, IArgs args)
{
var oldContext = environment.Context;
var newEnvironment = Scope.NewDeclarativeEnvironment();
using (var newContext = environment.EnterContext())
{
newContext.LexicalEnviroment = newEnvironment;
newContext.VariableEnviroment = newEnvironment;
newContext.Strict = ExecutableCode.Strict;
if (ExecutableCode.Strict)
{
newContext.ThisBinding = thisBinding;
}
else
{
switch (thisBinding.TypeCode)
{
case LanguageTypeCode.Undefined:
case LanguageTypeCode.Null:
newContext.ThisBinding = Environment.GlobalObject;
break;
default:
newContext.ThisBinding = thisBinding.ConvertToObject();
break;
}
}
BindFormalParameters(args);
Environment.BindFunctionDeclarations(ExecutableCode.FunctionDeclarations, ExecutableCode.Strict, true);
BindArgumentsObject(args);
Environment.BindVariableDeclarations(ExecutableCode.VariableDeclarations, ExecutableCode.Strict, true);
return(ExecutableCode.Code(environment, args));
}
}
public bool CombineGeneratorWithIterator(Generator generator, IDynamic other)
{
var iterable = other.ConvertToObject();
var createIterator = iterable.Get("createIterator") as ICallable;
if (createIterator == null)
throw CreateTypeError("");
var iterator = createIterator.Call(this, iterable, EmptyArgs).ConvertToObject();
if (!iterator.HasProperty("current"))
throw CreateTypeError("");
var next = iterator.Get("next") as ICallable;
if (next == null)
throw CreateTypeError("");
GeneratorStep step = null; step = (_e, _g) =>
{
if (!next.Call(this, Undefined, EmptyArgs).ConvertToBoolean().BaseValue)
return false;
generator.Current = iterator.Get("current");
generator.Steps.Enqueue(step);
return true;
};
return step(this, generator);
}
public virtual IDynamic Op_In(IDynamic other)
{
if (other.TypeCode != LanguageTypeCode.Object)
{
throw Environment.CreateTypeError("");
}
var obj = other.ConvertToObject();
var prop = this.ConvertToString().BaseValue;
return Environment.CreateBoolean(obj.HasProperty(prop));
}