Handling semantic actions 处理语义动作
Inhibiting Semantic Actions 抑制语义动作
Semantic Actions and User-Defined Assertions 语义动作和用户自定义断言
Backtracking and semantic actions do not mix well.
回溯和语义动作混用不是太好。
The first approach is to delay all semantic actions until the whole parse tree is constructed.
第一种做法是延迟所有语意动作，直到建立完整的剖析树。
Thus in EAI, "integration" includes both semantic and non-semantic actions, and an "integration layer" can perform both.
因此，在EAI中“集成”包括语义和非语义操作，“集成层”可以执行这两类操作。
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