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C# Expression.CheckAssign方法代码示例

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


在下文中一共展示了Expression.CheckAssign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: FinishAssignments

        private Statement FinishAssignments(Expression right) {
            List<Expression> left = null;
            Expression singleLeft = null;

            while (MaybeEat(TokenKind.Assign)) {
                string assignError = right.CheckAssign();
                if (assignError != null) {
                    ReportSyntaxError(right.StartIndex, right.EndIndex, assignError, ErrorCodes.SyntaxError | ErrorCodes.NoCaret);
                }

                if (singleLeft == null) {
                    singleLeft = right;
                } else {
                    if (left == null) {
                        left = new List<Expression>();
                        left.Add(singleLeft);
                    }
                    left.Add(right);
                }

                if (MaybeEat(TokenKind.KeywordYield)) {
                    right = ParseYieldExpression();
                } else {
                    right = ParseTestListAsExpr();
                }
            }

            if (left != null) {
                Debug.Assert(left.Count > 0);

                AssignmentStatement assign = new AssignmentStatement(left.ToArray(), right);
                assign.SetLoc(_globalParent, left[0].StartIndex, right.EndIndex);
                return assign;
            } else {
                Debug.Assert(singleLeft != null);

                AssignmentStatement assign = new AssignmentStatement(new[] { singleLeft }, right);
                assign.SetLoc(_globalParent, singleLeft.StartIndex, right.EndIndex);
                return assign;
            }
        }
开发者ID:bdoot,项目名称:IronLanguages,代码行数:41,代码来源:Parser.cs

示例2: FinishAssignments

        private Statement FinishAssignments(Expression right) {
            List<Expression> left = new List<Expression>();

            while (MaybeEat(TokenKind.Assign)) {
                string assignError = right.CheckAssign();
                if (assignError != null) {
                    ReportSyntaxError(right.Span.Start, right.Span.End, assignError, ErrorCodes.SyntaxError);
                }

                left.Add(right);

                if (MaybeEat(TokenKind.KeywordYield)) {
                    right = ParseYieldExpression();
                } else {
                    bool trailingComma;
                    var exprs = ParseExpressionList(out trailingComma);
                    if (exprs.Count == 0) {
                        ReportSyntaxError(left[0].Start, left[0].End, "invalid syntax");
                    }
                    right = MakeTupleOrExpr(exprs, trailingComma);
                }
            }

            Debug.Assert(left.Count > 0);

            AssignmentStatement assign = new AssignmentStatement(left.ToArray(), right);
            assign.SetLoc(left[0].Start, right.End);
            return assign;
        }
开发者ID:techarch,项目名称:ironruby,代码行数:29,代码来源:Parser.cs


注:本文中的IronPython.Compiler.Ast.Expression.CheckAssign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。