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: 1, the first "production" box importation of production, "input...
说明：
1、先在“产生式”框中输入产生式，在“输入的符号串”框中输入待分析的符号串，点击“编译”按钮开始根据产生式分析输入的符号串。
2、在“范例”菜单中可以选择预选的产生式和输入符号串范例，有两个范例，其中书上范例为“范例代码2”。
3、“产生式”框中，“显示消除左递归结果”选中时，执行编译后如果“产生式”框内内容没有变化，则原输入的产生式符合LL(1)，否则，“产生式”框内内容将转换为符合LL(1)的文法。-: 1, the first "production" box importation of production, "input string of symbols" input box to the symbol series analysis, Click on the "Build" button to begin production analysis of the input string of symbols. 2, the "paradigm" menu can choose a pre-production series and the importation of symbols example, there are two examples, which book example of "two examples of code." 3, "have a" box, "showed that the elimination of left recursive results" selected, If, after the implementation of compiler "production" box contents have not changed, then the importation of the production line with LL (1), otherwise, "Production" box contents will be converted to meet LL (1) grammar.
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