当前位置: 首页>>代码示例>>C#>>正文


C# Statement.Finalize方法代码示例

本文整理汇总了C#中Statement.Finalize方法的典型用法代码示例。如果您正苦于以下问题:C# Statement.Finalize方法的具体用法?C# Statement.Finalize怎么用?C# Statement.Finalize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Statement的用法示例。


在下文中一共展示了Statement.Finalize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: ParseStatement

        /// <summary>
        /// More custom parsing of a statement (ends with a custom termination char).
        /// </summary>
        /// <param name="termination">The custom termination character (e.g. ; for the standard case).</param>
        /// <param name="terminationMissing">Function (to generate an error) that is called if the termination character is not found.</param>
        /// <param name="handleCharacter">An optional function that is invoked for every character.</param>
        /// <returns>The finalized statement.</returns>
        internal Statement ParseStatement(Char termination, Func<ParseEngine, YAMPParseError> terminationMissing = null, Func<Char, Statement, Boolean> handleCharacter = null)
        {
            var terminated = false;
            var statement = new Statement();

            while (_parsing && _ptr < _characters.Length)
            {
                if (handleCharacter == null || !handleCharacter(_characters[_ptr], statement))
                {
                    if (IsWhiteSpace(_characters[_ptr]))
                    {
                        _ptr++;
                        _currentColumn++;
                    }
                    else if (IsNewLine(_characters[_ptr]))
                    {
                        _ptr++;
                        _currentColumn = 1;
                        _currentLine++;
                    }
                    else if (_characters[_ptr] == termination)
                    {
                        terminated = true;
                        _currentColumn++;
                        _ptr++;
                        break;
                    }
                    else if (_ptr < _characters.Length - 1 && IsComment(_characters[_ptr], _characters[_ptr + 1]))
                    {
                        if (IsLineComment(_characters[_ptr], _characters[_ptr + 1]))
                            AdvanceToNextLine();
                        else
                            AdvanceTo("*/");
                    }
                    else
                    {
                        ParseBlock(statement);
                    }
                }
            }

            if (!terminated)
            {
                AddError(terminationMissing != null ? terminationMissing(this) : new YAMPTerminatorMissingError(_currentLine, _currentColumn, termination));
            }

            return statement.Finalize(this);
        }
开发者ID:FlorianRappl,项目名称:YAMP,代码行数:55,代码来源:ParseEngine.cs

示例2: Scan

        /// <summary>
        /// Scans the current parse engine for a matrix expression.
        /// </summary>
        /// <param name="engine">The parse engine to use.</param>
        /// <returns>The found expression or NULL.</returns>
        public override Expression Scan(ParseEngine engine)
        {
            var column = engine.CurrentColumn;
            var line = engine.CurrentLine;
            var chars = engine.Characters;
            var start = engine.Pointer;

            if (chars[start] == '[')
            {
                engine.Advance();
                var terminated = false;
                var statement = new Statement();
                var ws = false;
                var nl = false;

                while (engine.Pointer < chars.Length && engine.IsParsing)
                {
                    if (ParseEngine.IsWhiteSpace(chars[engine.Pointer]))
                    {
                        ws = true;
                        engine.Advance();
                    }
                    else if (ParseEngine.IsNewLine(chars[engine.Pointer]))
                    {
                        nl = true;
                        engine.Advance();
                    }
                    else if (chars[engine.Pointer] == ']')
                    {
                        terminated = true;
                        engine.Advance();
                        break;
                    }
                    else if (chars[engine.Pointer] == ',')
                    {
                        ws = false;
                        nl = false;
                        statement.Push(engine, new ColumnOperator(engine));
                        engine.Advance();
                    }
                    else if (chars[engine.Pointer] == ';')
                    {
                        ws = false;
                        nl = false;
                        statement.Push(engine, new RowOperator(engine));
                        engine.Advance();
                    }
                    else if (engine.Pointer < chars.Length - 1 && ParseEngine.IsComment(chars[engine.Pointer], chars[engine.Pointer + 1]))
                    {
                        if (ParseEngine.IsLineComment(chars[engine.Pointer], chars[engine.Pointer + 1]))
                            engine.AdvanceToNextLine();
                        else
                            engine.AdvanceTo("*/");
                    }
                    else
                    {
                        engine.ParseBlock(statement, nl ? (Operator)new RowOperator(engine) : (ws ? new ColumnOperator(engine) : null));
                        ws = false;
                        nl = false;
                    }
                }

                if (!terminated)
                {
                    var err = new YAMPMatrixNotClosedError(line, column);
                    engine.AddError(err);
                }

                var container = statement.Finalize(engine).Container;
                return new MatrixExpression(line, column, engine.Pointer - start, engine.Query, container ?? new ContainerExpression());
            }

            return null;
        }
开发者ID:FlorianRappl,项目名称:YAMP,代码行数:79,代码来源:MatrixExpression.cs


注:本文中的Statement.Finalize方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。