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C# ScriptEngine.BuildTokensAdvanced方法代码示例

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


在下文中一共展示了ScriptEngine.BuildTokensAdvanced方法的4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: Build

        public override Token Build(Token lastToken, ScriptEngine engine, Script script, ref SourceCode sourceCode)
        {
            // if (condition) { ... } [else [if (condition) { ... }] { ... }]

            var ifStatement = new Statement();

            sourceCode.SeekToNext('(');
            ifStatement.Condition = engine.BuildTokensAdvanced(ref sourceCode, ref script, new[] {')'});
            sourceCode++;

            sourceCode.SeekToNext('{');
            ifStatement.Code = engine.BuildLongTokens(ref sourceCode, ref script, new[] {'}'});
            sourceCode++;

            var elseIfStatements = new List<Statement>();
            Statement elseStatement = null;

            while ((++sourceCode).Peek() == 'e')
            {
                bool isElseIf = false;
                sourceCode.SeekToNext('e');
                sourceCode += 4;
                var s = new Statement();

                if (sourceCode.Peek() == 'i')
                {
                    isElseIf = true;
                    // Get the condition;
                    sourceCode.SeekToNext('i');
                    sourceCode++;
                    sourceCode.SeekToNext('(');
                    s.Condition = engine.BuildTokensAdvanced(ref sourceCode, ref script, new[] {')'});
                    sourceCode++;
                }

                sourceCode.SeekToNext('{');
                s.Code = engine.BuildLongTokens(ref sourceCode, ref script, new[] {'}'});
                sourceCode++;

                if (isElseIf)
                {
                    elseIfStatements.Add(s);
                }
                else
                {
                    elseStatement = s;
                }
            }
            return new IfToken(ifStatement, elseIfStatements, elseStatement);
        }
开发者ID:iammitch,项目名称:Slimterpreter,代码行数:50,代码来源:IfBlockBuilder.cs

示例2: Build

        public override Token Build(Token lastToken, ScriptEngine engine, Script script, ref SourceCode sourceCode)
        {
            while ((++sourceCode).SpecialChar)
            {
            }
            if (sourceCode.Peek() != '{')
            {
                sourceCode.Throw(String.Format("Error parsing a 'do' statement, expected a '{' but got '{0}' instead.",
                                               sourceCode.Peek()));
            }
            List<List<List<Token>>> code = engine.BuildLongTokens(ref sourceCode, ref script, new[] {'}'});

            if (!sourceCode.SeekToNext("while"))
            {
                sourceCode.Throw("Error parsing a 'do' statement, was expecting a 'while' after the { } block.");
            }

            if (!sourceCode.SeekToNext('('))
            {
                sourceCode.Throw("Error parsing a 'do' statement, was expecting a '(' after 'while'.");
            }

            List<List<Token>> exitCondition = engine.BuildTokensAdvanced(ref sourceCode, ref script, new[] {')'});

            return new DoWhileToken(code, exitCondition);
        }
开发者ID:iammitch,项目名称:Slimterpreter,代码行数:26,代码来源:DoWhileBlockBuilder.cs

示例3: Build

        public override Token Build(Token lastToken, ScriptEngine engine, Script script, ref SourceCode sourceCode)
        {
            // while (condition) { /* Code */ }
            sourceCode += 4; // The +1 comes from below.

            while ((++sourceCode).SpecialChar)
            {
            }

            if (sourceCode.CurrentCode != '(')
            {
                sourceCode.Throw("Error parsing a 'while' statement, was epexting a '(' after 'while'.");
            }

            List<List<Token>> exitCondition = engine.BuildTokensAdvanced(ref sourceCode, ref script, new[] {')'});

            if (!sourceCode.SeekToNext('{'))
            {
                sourceCode.Throw(String.Format("Unexpected char: '{0}'", sourceCode.CurrentCode));
            }

            List<List<List<Token>>> code = engine.BuildLongTokens(ref sourceCode, ref script, new[] {'}'});

            return new WhileLoopToken(exitCondition, code);
        }
开发者ID:iammitch,项目名称:Slimterpreter,代码行数:25,代码来源:WhileBlockBuilder.cs

示例4: Build

        public override Token Build(Token lastToken, ScriptEngine engine, Script script, ref SourceCode sourceCode)
        {
            // for (init; condition; increment) { /* Code */ }
            sourceCode += 3; // Skip past the "for".

            while (char.IsWhiteSpace(sourceCode.CurrentCode))
            {
                sourceCode++; // Offset until we reach a non-whitespace character.
            }

            if (sourceCode.CurrentCode != '(')
            {
                throw new Exception("Error parsing a 'for' statement, was expecting a '(' after 'for'");
            }

            // Otherwise, moving along!

            List<List<Token>> forInit = engine.BuildTokensAdvanced(ref sourceCode, ref script, new[] {';'});
            sourceCode++;

            // We can then build the exitCondition
            List<List<Token>> endCondition = engine.BuildTokensAdvanced(ref sourceCode, ref script, new[] {';'});
            sourceCode++;

            // And then the increment condition.
            List<List<Token>> incrementStatement = engine.BuildTokensAdvanced(ref sourceCode, ref script,
                                                                              new[] {';', ')'});

            if (!sourceCode.SeekToNext('{'))
            {
                throw new Exception("Unexpected char: " + sourceCode.CurrentCode);
            }

            List<List<List<Token>>> code = engine.BuildLongTokens(ref sourceCode, ref script, new[] {'}'});

            sourceCode++;

            return new ForLoopToken(forInit, endCondition, incrementStatement, code);
        }
开发者ID:iammitch,项目名称:Slimterpreter,代码行数:39,代码来源:ForBlockBuilder.cs


注:本文中的ScriptEngine.BuildTokensAdvanced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。