public static bool Analyze(AstNode node)
{
var obj = new IsIteratorBlockVisitor();
node.AcceptVisitor(obj);
return(obj._result);
}
public JsFunctionDefinitionExpression CompileMethod(EntityDeclaration entity, BlockStatement body, IMethod method, MethodScriptSemantics impl)
{
bool isIEnumerable = method.ReturnType.IsKnownType(KnownTypeCode.IEnumerable) || method.ReturnType.IsKnownType(KnownTypeCode.IEnumerableOfT);
bool isIEnumerator = method.ReturnType.IsKnownType(KnownTypeCode.IEnumerator) || method.ReturnType.IsKnownType(KnownTypeCode.IEnumeratorOfT);
StateMachineType smt = StateMachineType.NormalMethod;
IType iteratorBlockYieldTypeOrAsyncTaskGenericArgument = null;
if ((isIEnumerable || isIEnumerator) && IsIteratorBlockVisitor.Analyze(body))
{
smt = isIEnumerable ? StateMachineType.IteratorBlockReturningIEnumerable : StateMachineType.IteratorBlockReturningIEnumerator;
iteratorBlockYieldTypeOrAsyncTaskGenericArgument = method.ReturnType is ParameterizedType ? ((ParameterizedType)method.ReturnType).TypeArguments[0] : _compilation.FindType(KnownTypeCode.Object);
}
else if (entity.HasModifier(Modifiers.Async))
{
smt = (method.ReturnType.IsKnownType(KnownTypeCode.Void) ? StateMachineType.AsyncVoid : StateMachineType.AsyncTask);
iteratorBlockYieldTypeOrAsyncTaskGenericArgument = method.ReturnType is ParameterizedType ? ((ParameterizedType)method.ReturnType).TypeArguments[0] : null;
}
CreateCompilationContext(entity, method, method.DeclaringTypeDefinition, (impl.Type == MethodScriptSemantics.ImplType.StaticMethodWithThisAsFirstArgument ? _namer.ThisAlias : null));
return(_statementCompiler.CompileMethod(method.Parameters, variables, body, impl.Type == MethodScriptSemantics.ImplType.StaticMethodWithThisAsFirstArgument, impl.ExpandParams, smt, iteratorBlockYieldTypeOrAsyncTaskGenericArgument));
}
