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。
2
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。
3
By attaching semantic actions to various points in this hierarchy, in effect we can transform the flat linear input stream into a structured representation.