コード例 #1
0
        public override void LeaveBlockExpression(BlockExpression node)
        {
            var closureEntity = GetEntity(node) as InternalMethod;

            if (closureEntity == null)
            {
                return;
            }

            var collector = new ForeignReferenceCollector();
            {
                collector.CurrentMethod = closureEntity.Method;
                collector.CurrentType   = closureEntity.DeclaringType;
                closureEntity.Method.Body.Accept(collector);

                if (collector.ContainsForeignLocalReferences)
                {
                    BooClassBuilder closureClass = CreateClosureClass(collector, closureEntity);
                    if (closureEntity is InternalGenericMethod)
                    {
                        closureEntity = GetEntity(closureEntity.Method) as InternalMethod;
                    }
                    closureClass.ClassDefinition.LexicalInfo = node.LexicalInfo;
                    collector.AdjustReferences();

                    if (_mapper != null)
                    {
                        closureClass.ClassDefinition.Accept(new GenericTypeMapper(_mapper));
                    }

                    ReplaceCurrentNode(
                        CodeBuilder.CreateMemberReference(
                            collector.CreateConstructorInvocationWithReferencedEntities(
                                closureClass.Entity,
                                node.GetAncestor <Method>()),
                            closureEntity));
                }
                else
                {
                    _mapper = closureEntity.Method["GenericMapper"] as GeneratorTypeReplacer;
                    if (_mapper != null)
                    {
                        closureEntity.Method.Accept(new GenericTypeMapper(_mapper));
                    }
                    IMethod entity = closureEntity;
                    if (entity.GenericInfo != null)
                    {
                        entity = MapGenericMethod(entity, node.GetAncestor <Method>().GenericParameters);
                    }
                    Expression expression = CodeBuilder.CreateMemberReference(entity);
                    expression.LexicalInfo = node.LexicalInfo;
                    TypeSystemServices.GetConcreteExpressionType(expression);
                    ReplaceCurrentNode(expression);
                }
            }
        }