The parser selected in the Validate statement syntax list has no effect on semantic validation.
Validate statement syntax列表所选择的解析器对语义验证没有任何影响。
Notice that these are all non-semantic characteristics; that is, they have no effect on the meaning of the business function exposed.
注意，这些都是非语义性的特征；也就是说，它们不影响公开的业务功能的含义。
By attaching semantic actions to various points in this hierarchy, in effect we can transform the flat linear input stream into a structured representation.
借由将语义动作黏附到这个层次中的很多黏附点上，我们可以将平滑的线性输入流转换成结构性的对象。
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