UP Lecture 05

Compilers
Test Cases for Lexical Analysis
(202402)

1. jgs Compilers Lecture 05: Test Cases for Lexical Analysis Dr. Javier Gonzalez-Sanchez jgonzalezs@up.edu.mx
2. jgs Announcements
3. Dr. Javier Gonzalez-Sanchez | Compilers | 3 jgs Announcements Lunes y Miercoles 8:30 a 10 pm Primer Examen Parcial (25 de Febrero) Marzo 10 regresamos: Martes y Jueves 6:00 a 8:30 pm
4. Dr. Javier Gonzalez-Sanchez | Compilers | 4 jgs Key Ideas Lexical Alphabet Symbol String Word Token Rules Regular Expression Deterministic Finite Automata
5. jgs Test Cases
6. Dr. Javier Gonzalez-Sanchez | Compilers | 6 jgs Review | Lexical Analysis Are the following STRINGS correct or not? Why? ▪ 000000005 ▪ 000000009 ▪ 000000009.1 ▪ 000000005 ▪ 000000005.1 ▪ 0x0000002 ▪ 0123456789
7. Dr. Javier Gonzalez-Sanchez | Compilers | 7 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'
8. Dr. Javier Gonzalez-Sanchez | Compilers | 8 jgs Review | Lexical Analysis Are the following STRINGS correct or not? Why? ▪ " \\\\\\\\\\a" ▪ "Hello""world" ▪ abc"Hello" ▪ ''' ▪ '\x' ▪ '\a' ▪ '\w' ▪ "\\\” ▪ '\\\'
9. Dr. Javier Gonzalez-Sanchez | Compilers | 9 jgs Questions
10. jgs Compilers Javier Gonzalez-Sanchez, Ph.D. jgonzalezs@up.edu.mx Spring 2024 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.