Introduction - If you have any usage issues, please Google them yourself
The syntax requirements: In the experiment on the basis of bottom-up analysis methods, the word in the symbol table parsing the string does not meet the given grammar, give an error message. : Grammar describes the syntax given: E → E+T | ET | the TT → T* F | T/F | FF → F ^ P | PP → i Note: i is the integer numeric data analysis in the experiment ,+,-,* and/operators described in the experimental one grammar II.