Introduction - If you have any usage issues, please Google them yourself
Iii. Experimental requirements
1. Use PL/0 language to write programs to output the first 20 values of Fibonacci sequence.
2. Extract the part of lexical analysis from PL/0 compiler source code, and build PL/0 independent lexical analysis program. Function: Input as PL/0 source program,
Output a sequence of word symbols; For identifiers and unsigned integers, the word class and the value of the word itself are displayed. For other word characters
, showing only its word class.
3. Use AutoFlowchart to draw the program flow chart of the independent lexical analysis program and analyze the functions and characteristics of each part.