Introduction - If you have any usage issues, please Google them yourself
This lesson is that if else conditional statements of the translation process. Functions as follows: 1. The overall lexical analysis 2.if else parsing, recursive descent method. 3. Third, address the form of output code format 4. The realization of the variable symbol table , that is, the definition of variables can be used 5. error prompts, error prompts specific number of rows 6. the scope of the preliminary design.