UP Lecture 02

Compilers
Languages
(202601)

1. jgs Compilers Lecture 02: Introduction Dr. Javier Gonzalez-Sanchez jgonzalezs@up.edu.mx
2. Dr. Javier Gonzalez-Sanchez | Compilers | 2 jgs Use Reactions and/or the Chat
3. jgs Previously …
4. Dr. Javier Gonzalez-Sanchez | Compilers | 4 jgs Compiler Definitions Programming Languages Translate
5. Dr. Javier Gonzalez-Sanchez | Compilers | 5 jgs Keywords Level Paradigm Language Analysis (verify) Lexical Input: Symbols Output: Words Syntax Input: Words Output: Sentences Semantic Input: Sentences Translate or Execute
6. jgs Words, Sentences, Meaning
7. Dr. Javier Gonzalez-Sanchez | Compilers | 7 jgs Let’s Work
8. Dr. Javier Gonzalez-Sanchez | Compilers | 8 jgs Let’s Work int x = 15+5;
9. Dr. Javier Gonzalez-Sanchez | Compilers | 9 jgs Solution
10. jgs Key Ideas
11. Dr. Javier Gonzalez-Sanchez | Compilers | 11 jgs Machine Language
12. Dr. Javier Gonzalez-Sanchez | Compilers | 12 jgs Assembly Language
13. Dr. Javier Gonzalez-Sanchez | Compilers | 13 jgs High-Level Languages X,E,G,O,O #e1,I,I,0,7 @ OPR 19, AX STO x, AX LIT 5, AX OPR 21, AX LOD #e1,AX CAL 1, AX OPR 0, AX 5 Virtual Machine (interpreter) // sorce code int x; int foo () { read (x); print (5); } main () { foo (); } Lexer Parser Semantic Analyzer Code Generation 01001010101000010 01010100101010010 10100100000011011 11010010110101111 00010010101010010 10101001010101011 Assembler compilation execution
14. Dr. Javier Gonzalez-Sanchez | Compilers | 14 jgs Language Levels Hardware Machine Language Assembly Language High-Level Language C Fortran C++ Java
15. Dr. Javier Gonzalez-Sanchez | Compilers | 15 jgs Questions
16. Dr. Javier Gonzalez-Sanchez | Compilers | 16 jgs Homework Complete Quiz 01 10 questions 3 opportunities Due before our next session
17. jgs Compilers Javier Gonzalez-Sanchez, Ph.D. jgonzalezs@up.edu.mx Spring 2026 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.