'Stmt list' diaporamas de présentation

Chapter 2

Chapter 2 . A Simple One-Pass Compiler. 2.1 Overview. Programming language: What its program look like (Syntax : context-free grammars) What its program mean (Semantics : more difficult). 2.2 Syntax Definition. Context-free grammar Grammar : hierarchical structure

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CSE305 Programming Languages

CSE305 Programming Languages. Syntax What is it? How is it specified? Who uses it? Why is it needed?. Note. These notes are based on the Sebesta text.

541 views • 43 slides

Lex

Lex. Lex is a lexical analyzer. Output. Ident: Var Integer: 12 Oper: + Integer: 9 Semicolumn: ; Keyword: if Paren: ( Ident: test Oper: >. Input. Var = 12 + 9; if (test > 20) temp = 0; else while (a < 20) temp++;. Lex. For each kind of strings

421 views • 40 slides

Lecture #7, April 24, 2007

Lecture #7, April 24, 2007. More about IR1 Library Functions Canonicalization OO runtime issues Object size initialization. Assignments. Project #1 due Wednesday, May 3, 2007 Recall Midterm Exam on Tuesday May 1, 2007. In class, 1.5 hours, two days before Project 1 is due.

495 views • 37 slides

Lecture #6, April 17, 2007

Lecture #6, April 17, 2007. Project #1 description, Changes to Program Types, IR1 intermediate language, Embedded statements in expressions, Handling variables, Syntax directed translation, The project template, What to hand in. Assignments.

427 views • 32 slides

Programming Languages (CS 550) Mini Language Interpreter

Programming Languages (CS 550) Mini Language Interpreter. Jeremy R. Johnson. Theme. This lecture builds an interpreter for the mini language from Chapter 13 of the book Programming Languages by Ken Louden.

330 views • 32 slides

Control Structures

462 views • 30 slides