UP Lecture 07

Compilers
Lexer Deployment
(202402)

Transcript

1. jgs Compilers Lecture 07: Lexer Deployment Dr. Javier Gonzalez-Sanchez jgonzalezs@up.edu.mx
2. jgs Announcements
3. Dr. Javier Gonzalez-Sanchez | Compilers | 3 jgs Do not forget 2 students without GitHub Classroom 2 teams without trying a submission
4. Dr. Javier Gonzalez-Sanchez | Compilers | 4 jgs Exam 01 Tuesday Feb 18 (5 to 6.30 pm) Blackboard – Online but Synchronous No lecture; solve your exam.
5. jgs Previously …
6. Dr. Javier Gonzalez-Sanchez | Compilers | 6 jgs Github Classroom https://classroom.github.com/a/CqP1SIpv
7. Dr. Javier Gonzalez-Sanchez | Compilers | 7 jgs One Last Thing
8. Dr. Javier Gonzalez-Sanchez | Compilers | 8 jgs Step 10
9. Dr. Javier Gonzalez-Sanchez | Compilers | 9 jgs Class Lexer B,b 0 1 .. . Delimiter, operator, whitespace, quotation mark S0 SE S1 SE SE Stop S1 S2 SE SE SE Stop S2 SE S3 S3 SE Stop S3 SE S3 S3 SE Stop SE SE SE SE SE Stop
10. Dr. Javier Gonzalez-Sanchez | Compilers | 10 jgs Test
11. jgs Test Yourselves
12. Dr. Javier Gonzalez-Sanchez | Compilers | 12 jgs Review | Lexical Analysis Are the following STRINGS correct or not? Why? ▪ 000000005 ▪ 000000009 ▪ 000000009.1 ▪ 000000005 ▪ 000000005.1 ▪ 0x0000002 ▪ 0123456789
13. Dr. Javier Gonzalez-Sanchez | Compilers | 13 jgs Review | Lexical Analysis Are the following STRINGS correct or not? Why? ▪ 1.2e---3++ ▪ $50 ▪ float ________________ = 5; ▪ double x = 000000.1; ▪ '''a' ▪ '\''b' ▪ '\'b'
14. Dr. Javier Gonzalez-Sanchez | Compilers | 14 jgs Review | Lexical Analysis Are the following STRINGS correct or not? Why? ▪ " \\\\\\\\\\a" ▪ "Hello""world" ▪ abc"Hello" ▪ ''’ ▪ '\x’ ▪ ’\a' ▪ ’\w’ ▪ "\\\"
15. Dr. Javier Gonzalez-Sanchez | Compilers | 15 jgs Questions
16. jgs Compilers Javier Gonzalez-Sanchez, Ph.D. jgonzalezs@up.edu.mx Spring 2025 Copyright. These slides can only be used as study material for the Compilers course at Universidad Panamericana. They cannot be distributed or used for another purpose.