'Desk calculator' presentation slideshows

Intermediate Code Generation

Intermediate Code Generation. Professor Yihjia Tsai Tamkang University. Introduction. Intermediate representation (IR) Generally a program for an abstract machine (can be assembly language or slightly above) Easy to produce and translate into target code Why?

825 views • 48 slides

5.4 Syntax-Directed Translation Schemes

5.4 Syntax-Directed Translation Schemes. a syntax-directed translation scheme (SDT) is a context free grammar with program fragments embedded within production bodies. The program fragments are called semantic actions and can appear at any position within a production body.

786 views • 46 slides

Chapter 5. Syntax-Directed Translation

Chapter 5. Syntax-Directed Translation. Fig. 5.2. Syntax-directed definition of a simple desk calculator. Fig. 5.3. Annotated parse tree for 3*5+4 n. Fig. 5.4. Syntax-directed definition with inherited attribute L.in.

888 views • 21 slides

Introduction to Computer Programming I

Introduction to Computer Programming I. Muhammad Adnan Talib Lec#1 05 th Sep,2012 Computer Science Department COMSATS Institute of Information and Technology Sahiwal. Books. Text Book: C++ How to Program By Deitel & Deitel (6 th Edition)

295 views • 17 slides

Chapter 4 Lexical analysis

Chapter 4 Lexical analysis. Main task: identify tokens Basic building blocks of programs E.g. keywords, identifiers, numbers, punctuation marks Desk calculator language example: read A sum := A + 3.45e-3 write sum write sum / 2. Scanner.

262 views • 17 slides

Chapter 5. Syntax-Directed Translation

Chapter 5. Syntax-Directed Translation. Fig. 5.2. Syntax-directed definition of a simple desk calculator. Fig. 5.3. Annotated parse tree for 3*5+4 n. Fig. 5.4. Syntax-directed definition with inherited attribute L.in.

274 views • 15 slides

Parser construction tools: YACC

260 views • 10 slides