syntax of grammar rules 中文意思是什麼
syntax of grammar rules
解釋
用於語法規則的語法-
First, the paper researches the format and semantic features of iso apt in detail, next, applies regular expression to describe the definition of apt ’ s tokens and uses context - free grammar to describe apt ’ s syntax rules, last, designs the intermediate code format which keeps on the source code semantic and designs a complete module to check lexical and syntax errors of nc code by using modern compiling techniques
在代碼預處理技術方面,詳細研究了標準數控代碼語言的格式和語義並採用現代編譯技術中的正則表達式和上下文無關文法分別描述了標準數控代碼語言的記號定義和語法結構定義;設計了保持源代碼語義的中間標準數控代碼格式,在此基礎上,設計並構建了數控代碼的詞法和語法檢查模塊。
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