コード例 #1
0
ファイル: MethodSubroutine.cs プロジェクト: pmq20/mono_forked
        public MethodSubroutine(SubroutineFacade SubroutineFacade,
                                Method method, Label startLabel,
                                SubroutineWithHandlersBuilder <Label, Handler> builder) : base(SubroutineFacade, startLabel, builder)
        {
            this.method = method;
            IMetaDataProvider metaDataProvider = this.SubroutineFacade.MetaDataProvider;

            builder.BuildBlocks(startLabel, this);
            BlockWithLabels <Label> targetBlock = GetTargetBlock(startLabel);

            Commit();

            TypeNode   type      = metaDataProvider.DeclaringType(method);
            Subroutine invariant = this.SubroutineFacade.GetInvariant(type);

            if (invariant != null && !metaDataProvider.IsConstructor(method) && !metaDataProvider.IsStatic(method))
            {
                AddEdgeSubroutine(Entry, targetBlock, invariant, EdgeTag.Entry);
                Subroutine requires = this.SubroutineFacade.GetRequires(method);
                if (requires != null)
                {
                    AddEdgeSubroutine(Entry, targetBlock, requires, EdgeTag.Entry);
                }
            }
            else
            {
                AddEdgeSubroutine(Entry, targetBlock, this.SubroutineFacade.GetRequires(method), EdgeTag.Entry);
            }

            if (this.blocks_ending_in_return_point == null)
            {
                return;
            }

            Subroutine ensures = this.SubroutineFacade.GetEnsures(method);
            bool       putInvariantAfterExit = !metaDataProvider.IsStatic(method) &&
                                               !metaDataProvider.IsFinalizer(method) && !metaDataProvider.IsDispose(method);

            foreach (var block in this.blocks_ending_in_return_point)
            {
                if (putInvariantAfterExit)
                {
                    AddEdgeSubroutine(block, Exit, invariant, EdgeTag.Exit);
                }
                AddEdgeSubroutine(block, Exit, ensures, EdgeTag.Exit);
            }

            if (ensures != null)
            {
                throw new NotImplementedException();
            }

            this.blocks_ending_in_return_point = null;
        }