201506 CSE340 Lecture 23
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This document contains lecture slides for CSE340 - Principles of Programming Languages. It discusses intermediate code for while loops, if statements, and switch statements. It also covers a homework assignment to translate source code to intermediate code using a switch statement. The slides were presented by Javier Gonzalez-Sanchez and include code examples, notes on symbol tables, and a review of programming assignment 4.
201506 CSE340 Lecture 23
- 1. CSE340 - Principles of Programming Languages Lecture 23: Intermediate Code IV Javier Gonzalez-Sanchez BYENG M1-38 Office Hours: By appointment
- 2. Javier Gonzalez-Sanchez | CSE340 | Summer 2015 | 8 Code WHILE
- 3. Javier Gonzalez-Sanchez | CSE340 | Summer 2015 | 9 Code
- 4. Javier Gonzalez-Sanchez | CSE340 | Summer 2015 | 10 Code IF
- 5. Javier Gonzalez-Sanchez | CSE340 | Summer 2015 | 11 Code
- 6. Javier Gonzalez-Sanchez | CSE340 | Summer 2015 | 12 Review Programming Assignment 4 Level 3 Bonus Points: SWITCH
- 7. Javier Gonzalez-Sanchez | CSE340 | Summer 2015 | 13 Homework Translate this source code to intermediate code: int a; switch (a) { case 1: { print("hi”); break;} case 2: { print("world"); break;} default: { print(”end"); break;} }
- 8. Javier Gonzalez-Sanchez | CSE340 | Summer 2015 | 14 Handwritten notes Add the symbol table here…
- 9. Javier Gonzalez-Sanchez | CSE340 | Summer 2015 | 15 Homework Assignment #4
- 10. Javier Gonzalez-Sanchez | CSE340 | Summer 2015 | 16 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
- 11. Javier Gonzalez-Sanchez | CSE340 | Summer 2015 | 17 Language Paradigms
- 12. CSE340 - Principles of Programming Languages Javier Gonzalez-Sanchez javiergs@asu.edu Summer 2015 Disclaimer. These slides can only be used as study material for the class CSE340 at ASU. They cannot be distributed or used for another purpose.