201506 CSE340 Lecture 21

Jun 30, 20150 likes525 views

This document contains lecture slides about implementing intermediate code generation for Assignment #4 in CSE340 - Principles of Programming Languages. It discusses generating intermediate code instructions like LIT, LOD, STO, and OPR from the grammar rules. It also covers code generation for different language constructs like variables, expressions, assignments, and control flow statements. The slides provide examples of intermediate code and discuss handling bonuses for implementing features like switches.

CSE340 - Principles of
Programming Languages
Lecture 21:
Intermediate Code II
Javier Gonzalez-Sanchez
BYENG M1-38
Office Hours: By appointment

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 2
Review
a, int, global, 0
b, int, global, 0
@
LIT 5, 0
STO a, 0
LIT 9, 0
STO b, 0
LOD a, 0
LOD b, 0
LIT 3, 0
OPR 4, 0
OPR 2, 0
STO a, 0
LOD a, 0
OPR 21,0
LIT "hello", 0
OPR 21,0
OPR 1, 0
OPR 0,0
Virtual Machine
(interpreter)
{
int a;
int b;
a = 5;
b = 9;
a = a + b / 3;
print (a);
print ("hello");
}
Lexer
Parser
Semantic Analyzer Code Generation
8
hello

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 3
Review
{
int a;
int b;
boolean foo;
a = 10 + 20 + 30 + 40;
print (a);
foo = 340 > 126;
print (foo);
a = a / 2;
print ("total:" + a);
return;
}
Lexer
Parser
Semantic Analyzer Code Generation

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 4
Review
Virtual Machine
(interpreter)
100
true
total: 50

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 5
Assignment #4

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 6
Assignment #4
Lexer
Parser
Semantic Analyzer Code Generation
assignment #1
or
Lexer.jar
To show
proficiency
building a
descendent
parser
Programming
workshops
Do not required.
Bonus points include
Semantic Analysis from
assignment #3
Following
lectures

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 7
Assignment #4 | Grammar
<PROGRAM> à '{' <BODY> '}’
<BODY> à {<PRINT>';'|<ASSIGNMENT>';'|<VARIABLE>';’|
<WHILE>|<IF>|<SWITCH>|<RETURN>';'}
<ASSIGNMENT> à identifier '=' <EXPRESSION>
<VARIABLE> à ('int'|'float'|'boolean'|'char’|'string'|'void')identifier
<WHILE> à 'while' '(' <EXPRESSION> ')' <PROGRAM>
<IF> à 'if' '(' <EXPRESSION> ')' <PROGRAM> ['else' <PROGRAM>]
<RETURN> à 'return'
<PRINT> à ’print’ ‘(‘ <EXPRESSION> ‘)’
<EXPRESSION> à <X> {'|' <X>}
<X> à <Y> {'&' <Y>}
<Y> à ['!'] <R>
<R> à <E> {('>'|'<'|'=='|'!=') <E>}
<E> à <A> {(’+'|'-’) <A>}
<A> à <B> {('*'|'/') <B>}
<B> à ['-'] <C>
<C> à integer | octal | hexadecimal | binary | true | false |
string | char | float | identifier|'(' <EXPRESSION> ')'
<SWITCH> à 'switch' '(' id ')' '{' <CASES> [<DEFAULT>] '}'
<CASES> à ('case' (integer|octal|hexadecimal|binary) ':' <PROGRAM>)+
<DEFAULT> à 'default' ':' <PROGRAM>

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 8
Assignment #4 | Compiler

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 9
Assignment #4 | Compiler
Bonus Points

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 10
Assignment #4 | VM
Use it to test your compiler.
No changes required

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 11
Assignment #4 | Code
Add this lines to your Parser.run()

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 12
Assignment #4 | Code
The CodeGenerator.java file

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 13
Assignment #4 | Grading
•  Bonus A
Implement SWITCH statement: (a) parser; and (b)
code generation.
•  Bonus B
Integration: (a) graphical user interface including
token table, parse tree, and symbol table; (b)
syntactic errors handling and recovery; and (c)
semantic analysis.

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 14
Assignment #4 | Grading
assignment bonus
0–100% 0–10%

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 15
Implementing
Intermediate Code Generation

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 16
Code Generation
*
1
2
*
4
5
+
3
>
1 * 2 > 3 + 4 * 5 LIT 1, 0
LIT 2, 0
OPR 4, 0
LIT 3, 0
LIT 4, 0
LIT 5, 0
OPR 4, 0
OPR 2, 0
OPR 11, 0

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 17
Code
PROGRAM

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 18
Code
BODY

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 19
Code
PRINT

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 20
Code
ASSIGNMENT

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 21
Code
VARIABLE

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 22
Code
WHILE

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 23
Code
IF

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 24
Code
RETURN

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 25
Code
EXPRESSION

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 26
Code
X

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 27
Code
Y

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 28
Code
R

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 29
Code
E

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 30
Code
A

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 31
Code
B

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 32
Code
C

Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 33
Homework
Assignment #4
(LIT, LOD, STO, OPR)

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.

This document contains lecture slides for CSE340 on intermediate code. It discusses instructions like LIT, LOD, STO, OPR, JMP, JMC and how they are used to represent code structures like while loops, if statements, and switch cases. It provides examples of translating source code to intermediate code and discusses using symbol tables and labels. It also assigns homework to translate a switch statement to intermediate code.

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This document discusses intermediate code in compilers. It begins by describing the stages of a compiler from source code to intermediate code to machine code. It then provides an example of translating a simple C program to intermediate code. The remainder of the document describes aspects of a simple virtual machine that can execute intermediate code, including instructions like LIT, LOD, STO, and OPR, and an example of intermediate code generated for a small C program.

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This document discusses semantic analysis in programming languages. It covers 6 types of semantic checks: declaration and unicity, type matching, array indexes, conditions, return types, and parameters. Type matching is discussed in depth, with examples of checking operator types using a "cube" that specifies valid type combinations for each operator. The document also provides pseudocode for implementing semantic analysis, including using flags and a stack to check expressions and types.

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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.

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201804 SER332 Lecture 01Javier Gonzalez-Sanchez

This document outlines the topics and requirements for the SER332 Introduction to Graphics and Game Development course. It introduces graphics concepts like rendering and transformations that will be covered. Programming skills in C++ and OpenGL are required. Students will complete four projects and exams that make up the grading. The course aims to teach graphics theory and its practical implementation.

201801 SER332 Lecture 03Javier Gonzalez-Sanchez

This document provides instructions for installing and configuring OpenGL and graphics programming environments like Visual Studio, Xcode, and Eclipse on Windows and Mac operating systems. It discusses installing OpenGL libraries, configuring include paths and libraries, and creating and building basic OpenGL projects. It also provides an overview of the OpenGL rendering pipeline and GLUT for window management and callbacks in OpenGL programs. Examples are given to demonstrate basic GLUT and OpenGL code.

201801 SER332 Lecture 04Javier Gonzalez-Sanchez

This document discusses callback functions in OpenGL and GLUT. It provides examples of registering callback functions to handle events like displaying, resizing windows, and mouse/keyboard input. Callback functions allow graphics programs to be event-driven by linking functions to events. The examples demonstrate changing color with keys, moving triangles with mouse clicks, and shaking triangles with mouse motion using callback functions and global variables. Reading suggestions are provided to further understand OpenGL state machines, double buffering, and GLUT functions.

201801 SER332 Lecture 02Javier Gonzalez-Sanchez

This document discusses key concepts in computer graphics and game development. It introduces the frame buffer, which stores the image as a 2D array of pixels with RGB color values. Frame buffer resolution refers to the image and monitor dimensions. Depth refers to bits per pixel for color and other values like alpha and z-buffer. Rendering is generating an image from 3D models, and rasterization converts vectors to pixels. CRT monitors use refresh rates and raster scanning to redraw images. Double buffering renders to a back buffer before displaying the front buffer to improve performance. The homework asks students to plan a 3D shape connecting 50 points to create an object like a car, house, or robot.

201801 CSE240 Lecture 26Javier Gonzalez-Sanchez

This document provides a final review for the CSE240 Introduction to Programming Languages course. It outlines the grading breakdown and current grades, reviews the main topics covered in the course, and provides examples of questions from past quizzes and exams. These include examples of code in C, C++, Lisp, Prolog, and the use of recursion. It is intended to help students prepare for the final exam.

201801 CSE240 Lecture 25Javier Gonzalez-Sanchez

This document summarizes a lecture on programming with Prolog IV. It introduces arithmetic queries in Prolog, shows examples of queries using operators like addition and exponents. It then demonstrates recursion through examples of defining and querying the factorial and Fibonacci functions recursively. It concludes with an example knowledge base of family relationships and a query to find siblings.

201801 CSE240 Lecture 24Javier Gonzalez-Sanchez

201801 CSE240 Lecture 23Javier Gonzalez-Sanchez

This document contains lecture slides for CSE240 - Introduction to Programming Languages. It discusses installing and using Prolog, an AI language based on logic programming. It covers entering facts and rules in Prolog, querying the knowledge base, and using variables and constants. Examples demonstrate simple facts, facts with arguments, rules, querying facts and rules, and the difference between variables and constants. The document is presented by Javier Gonzalez-Sanchez and contains his contact information.

201801 CSE240 Lecture 22Javier Gonzalez-Sanchez

This document discusses programming with Prolog and the logic programming paradigm. It introduces Prolog, a logic programming language based on predicate logic. Prolog programs consist of facts and rules about objects and relationships between objects. Queries can then be made to infer facts based on the rules. The key idea of logic programming is that a program describes a problem rather than how to solve it - the computer uses deductive reasoning to find solutions that satisfy the facts and rules. Examples of Lisp functions and Prolog programs are provided to illustrate recursive list processing and logic programming with predicates, facts, and rules.

201801 CSE240 Lecture 21Javier Gonzalez-Sanchez

This document provides instructions for a quiz on LISP data structures that will be completed in teams of 1 to 3 students. It describes 7 problems to solve involving LISP functions for finding minimum/average values in lists, generating Fibonacci sequences, finding even/zero elements in lists, retrieving elements by position, and checking for membership in lists. Students are instructed to include comments, definitions, and examples for each function they provide. The document also provides contact information for the professor, Javier Gonzalez-Sanchez, and a disclaimer regarding use of the slides.

201801 CSE240 Lecture 20Javier Gonzalez-Sanchez

This document discusses data structures and looping in LISP. It notes that the only data structure in LISP is lists. It describes functions for accessing parts of lists like first, rest, append, and cons. It also demonstrates using dolist to iterate over lists, such as to write a function to reverse a list. Examples are provided to demonstrate applying these functions and looping construct to lists.

201801 CSE240 Lecture 19Javier Gonzalez-Sanchez

This document discusses functions in LISP. It explains that functions are created using the defun macro, which defines a function name and parameters. The body of the function contains expressions, and the function returns the value of the last expression. Examples are given of defining simple functions to return hardcoded values, add a number, calculate a hypotenuse, and extract characters from a string. The document also provides examples of recursively defining the factorial function in both an iterative and recursive way.

201801 CSE240 Lecture 18Javier Gonzalez-Sanchez

This document contains a lecture on control structures in Lisp, including the if statement and special forms like progn and dotimes. It discusses how if can evaluate expressions conditionally, and how progn and dotimes can be used to execute multiple expressions in the then or else blocks. It also covers variable scope in Lisp, explaining how variables are local to blocks and can be redefined in nested lets.

201801 CSE240 Lecture 17Javier Gonzalez-Sanchez

201801 CSE240 Lecture 16Javier Gonzalez-Sanchez

This document provides an overview of programming with LISP. It discusses the functional programming paradigm and features of LISP, including its uniform representation of instructions and data using lists. Everything in LISP is represented as a list, with functions represented as a list with the function name as the first element and parameters as subsequent elements. The document also discusses LISP syntax, functional programming concepts in LISP like automatic memory management, and how to set up an interpreter to run LISP programs.

201801 CSE240 Lecture 15Javier Gonzalez-Sanchez

The document discusses function overloading and operator overloading in C++. It provides examples of overloading functions and operators like +, -, > to perform operations on user-defined data types like cylinders and days of the week. Function overloading allows multiple functions to have the same name but different parameters, while operator overloading allows operators to be redefined to work with user-defined types. The examples demonstrate overloading functions and operators to add, subtract and compare cylinder and day objects.

201801 CSE240 Lecture 14Javier Gonzalez-Sanchez

The document discusses inheritance and polymorphism in C++ programming. It explains that inheritance allows new classes to extend existing classes, inheriting their members. Polymorphism allows pointers to a base class to refer to derived class objects, with dynamic dispatch determining which implementation of a virtual member function to call based on the actual object type. Examples are provided of defining base and derived classes that demonstrate inheritance of members and polymorphic calls through base class pointers.

201801 CSE240 Lecture 13Javier Gonzalez-Sanchez

This document contains lecture slides about memory management in C++. It discusses static variables, constructors and destructors, and use of new and delete operators. Static variables are shared among all class instances and changes to them affect all instances. Constructors initialize objects and destructors clean them up. new allocates memory on the heap while delete frees it and calls the destructor.

201801 CSE240 Lecture 12Javier Gonzalez-Sanchez

This document contains slides from a lecture on getting started with C++ programming. It discusses the basics of C++ including classes, scope, input/output, and memory management. The slides provide examples of defining classes with public, private, and protected components. It also demonstrates defining classes in a single file versus splitting the class definition and implementation across multiple files.

201801 CSE240 Lecture 11Javier Gonzalez-Sanchez

This document discusses functions and parameter passing in C programming. It explains that functions communicate through global variables or parameters/return values. There are two ways parameters can be passed: call-by-value where the formal parameter is a copy of the actual value, and call-by-address where the formal parameter is a pointer to the actual value so any changes are reflected. The document provides examples of defining functions, passing different data types by value and address, and how this affects whether changes to parameters persist outside the function.

201804 SER332 Lecture 01Javier Gonzalez-Sanchez

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201801 CSE240 Lecture 24Javier Gonzalez-Sanchez

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201801 CSE240 Lecture 22Javier Gonzalez-Sanchez

201801 CSE240 Lecture 21Javier Gonzalez-Sanchez

201801 CSE240 Lecture 20Javier Gonzalez-Sanchez

201801 CSE240 Lecture 19Javier Gonzalez-Sanchez

201801 CSE240 Lecture 18Javier Gonzalez-Sanchez

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201506 CSE340 Lecture 21

1. CSE340 - Principles of Programming Languages Lecture 21: Intermediate Code II Javier Gonzalez-Sanchez BYENG M1-38 Office Hours: By appointment

2. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 2 Review a, int, global, 0 b, int, global, 0 @ LIT 5, 0 STO a, 0 LIT 9, 0 STO b, 0 LOD a, 0 LOD b, 0 LIT 3, 0 OPR 4, 0 OPR 2, 0 STO a, 0 LOD a, 0 OPR 21,0 LIT "hello", 0 OPR 21,0 OPR 1, 0 OPR 0,0 Virtual Machine (interpreter) { int a; int b; a = 5; b = 9; a = a + b / 3; print (a); print ("hello"); } Lexer Parser Semantic Analyzer Code Generation 8 hello

3. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 3 Review { int a; int b; boolean foo; a = 10 + 20 + 30 + 40; print (a); foo = 340 > 126; print (foo); a = a / 2; print ("total:" + a); return; } Lexer Parser Semantic Analyzer Code Generation

4. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 4 Review Virtual Machine (interpreter) 100 true total: 50

5. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 5 Assignment #4

6. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 6 Assignment #4 Lexer Parser Semantic Analyzer Code Generation assignment #1 or Lexer.jar To show proficiency building a descendent parser Programming workshops Do not required. Bonus points include Semantic Analysis from assignment #3 Following lectures

7. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 7 Assignment #4 | Grammar <PROGRAM> à '{' <BODY> '}’ <BODY> à {<PRINT>';'|<ASSIGNMENT>';'|<VARIABLE>';’| <WHILE>|<IF>|<SWITCH>|<RETURN>';'} <ASSIGNMENT> à identifier '=' <EXPRESSION> <VARIABLE> à ('int'|'float'|'boolean'|'char’|'string'|'void')identifier <WHILE> à 'while' '(' <EXPRESSION> ')' <PROGRAM> <IF> à 'if' '(' <EXPRESSION> ')' <PROGRAM> ['else' <PROGRAM>] <RETURN> à 'return' <PRINT> à ’print’ ‘(‘ <EXPRESSION> ‘)’ <EXPRESSION> à <X> {'|' <X>} <X> à <Y> {'&' <Y>} <Y> à ['!'] <R> <R> à <E> {('>'|'<'|'=='|'!=') <E>} <E> à <A> {(’+'|'-’) <A>} <A> à <B> {('*'|'/') <B>} <B> à ['-'] <C> <C> à integer | octal | hexadecimal | binary | true | false | string | char | float | identifier|'(' <EXPRESSION> ')' <SWITCH> à 'switch' '(' id ')' '{' <CASES> [<DEFAULT>] '}' <CASES> à ('case' (integer|octal|hexadecimal|binary) ':' <PROGRAM>)+ <DEFAULT> à 'default' ':' <PROGRAM>

8. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 8 Assignment #4 | Compiler

9. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 9 Assignment #4 | Compiler Bonus Points

10. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 10 Assignment #4 | VM Use it to test your compiler. No changes required

11. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 11 Assignment #4 | Code Add this lines to your Parser.run()

12. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 12 Assignment #4 | Code The CodeGenerator.java file

13. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 13 Assignment #4 | Grading •  Bonus A Implement SWITCH statement: (a) parser; and (b) code generation. •  Bonus B Integration: (a) graphical user interface including token table, parse tree, and symbol table; (b) syntactic errors handling and recovery; and (c) semantic analysis.

14. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 14 Assignment #4 | Grading assignment bonus 0–100% 0–10%

15. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 15 Implementing Intermediate Code Generation

16. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 16 Code Generation * 1 2 * 4 5 + 3 > 1 * 2 > 3 + 4 * 5 LIT 1, 0 LIT 2, 0 OPR 4, 0 LIT 3, 0 LIT 4, 0 LIT 5, 0 OPR 4, 0 OPR 2, 0 OPR 11, 0

17. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 17 Code PROGRAM

18. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 18 Code BODY

19. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 19 Code PRINT

20. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 20 Code ASSIGNMENT

21. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 21 Code VARIABLE

22. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 22 Code WHILE

23. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 23 Code IF

24. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 24 Code RETURN

25. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 25 Code EXPRESSION

26. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 26 Code X

27. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 27 Code Y

28. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 28 Code R

29. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 29 Code E

30. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 30 Code A

31. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 31 Code B

32. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 32 Code C

33. Javier Gonzalez-Sanchez | CSE340 | Summer2015 | 33 Homework Assignment #4 (LIT, LOD, STO, OPR)

34. 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.

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