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C# BlockStatement.LastOrDefault方法代码示例

本文整理汇总了C#中BlockStatement.LastOrDefault方法的典型用法代码示例。如果您正苦于以下问题:C# BlockStatement.LastOrDefault方法的具体用法?C# BlockStatement.LastOrDefault怎么用?C# BlockStatement.LastOrDefault使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在BlockStatement的用法示例。


在下文中一共展示了BlockStatement.LastOrDefault方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: ReplaceJump

        static BlockStatement ReplaceJump(JumpStatement jump, BlockStatement block)
        {
            if (jump.StartOffset < block.StartOffset)
                throw new ArgumentOutOfRangeException("jump", "jump should be inside the given block");
            if (jump.JumpOffset > block.EndOffset)
                throw new ArgumentOutOfRangeException("jump", "jump should be inside the given block");

            var newBlock = new BlockStatement();
            var ifStatement = new IfStatement(Not(jump.Condition), new BlockStatement()){ StartOffset = jump.StartOffset, EndOffset = jump.JumpOffset };
            var inside = false;
            foreach (var statement in block)
            {
                if (statement is IfStatement && statement.Contains(jump.StartOffset.Value) && statement.EndOffset >= jump.JumpOffset)
                {
                    var ifStatement2 = (IfStatement)statement;
                    var b2 = ReplaceJump(jump, (BlockStatement)ifStatement2.TrueStatement);
                    var newIfStatement2 = new IfStatement(ifStatement2.Condition, new BlockStatement()){ StartOffset = ifStatement2.StartOffset, EndOffset = ifStatement2.EndOffset };
                    ((BlockStatement)newIfStatement2.TrueStatement).AddStatements((IEnumerable<Statement>)b2);
                    newBlock.AddStatement(newIfStatement2);
                }
                else if (statement.StartOffset == jump.StartOffset)
                {                    
                    inside = true;
                }
                else if (statement.StartOffset == jump.JumpOffset)
                {
                    if (ifStatement == null)
                        throw new InvalidOperationException("ifStatement can't be null");
                    newBlock.AddStatement(ifStatement);
                    newBlock.AddStatement(statement);
                    ifStatement = null;
                    inside = false;
                }
                else if (inside)
                {
                    ((BlockStatement)ifStatement.TrueStatement).AddStatement(statement);
                }
                else
                {
                    var lastStatement = newBlock.LastOrDefault();
                    if (lastStatement != null && lastStatement.EndOffset > statement.StartOffset)
                    {
                        throw new NotSupportedException("invalid Statement");
                    }
                    newBlock.AddStatement(statement);
                }
            }
            return newBlock;
        }
开发者ID:scemino,项目名称:nscumm,代码行数:49,代码来源:ReplaceJumpToIf.cs

示例2: ReplaceJump

        static BlockStatement ReplaceJump(JumpStatement jump, BlockStatement block)
        {
            if (jump.StartOffset < block.StartOffset)
                throw new ArgumentOutOfRangeException("jump", "jump should be inside the given block");
            if (jump.JumpOffset > block.EndOffset)
                throw new ArgumentOutOfRangeException("jump", "jump should be inside the given block");

            var newBlock = new BlockStatement();
            var doWhileStatement = new DoWhileStatement(jump.Condition, new BlockStatement()){ StartOffset = jump.StartOffset, EndOffset = jump.JumpOffset };
            var inside = false;
            foreach (var statement in block)
            {
                if (statement.StartOffset == jump.JumpOffset)
                {                    
                    ((BlockStatement)doWhileStatement.Statement).AddStatement(statement);
                    inside = true;
                }
                else if (statement.StartOffset == jump.StartOffset)
                {
                    if (doWhileStatement == null)
                        throw new InvalidOperationException("DoWhileStatement can't be null");
                    newBlock.AddStatement(doWhileStatement);
                    doWhileStatement = null;
                    inside = false;
                }
                else if (inside)
                {
                    ((BlockStatement)doWhileStatement.Statement).AddStatement(statement);
                }
                else
                {
                    var lastStatement = newBlock.LastOrDefault();
                    if (lastStatement != null && lastStatement.EndOffset > statement.StartOffset)
                    {
                        throw new NotSupportedException("invalid Statement");
                    }
                    newBlock.AddStatement(statement);
                }
            }
            return newBlock;
        }
开发者ID:scemino,项目名称:nscumm,代码行数:41,代码来源:ReplaceJumpToWhile.cs


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