Trustworthy Compilers

Trustworthy Compilers

Language: English

Pages: 295

ISBN: 0470500956

Format: PDF / Kindle (mobi) / ePub


This unique guide book explains and teaches the concept of trustworthy compilers based on 50+ years of worldwide experience in the area of compilers, and on the author’s own 30+ years of expertise in development and teaching compilers. It covers the key topics related to compiler development as well as compiling methods not thoroughly covered in other books. The book also reveals many state-of-the-art compiler development tools and personal experience of their use in research projects by the author and his team. Software engineers of commercial companies and undergraduate/graduate students will benefit from this guide.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

is the source language of his verified compiler CompCert? Please download Spec# from http://research.microsoft.com/specsharp, install it as an add-in to Visual Studio, compile, verify, and run the samples bundled with the Spec# distribution. Please implement in Spec# a sample project containing the method to compute the greatest common divisor of two integral positive numbers using Euclid’s algorithm. Provide the requires and ensures specification for that method. Compile, verify, and run your

file, we refer to the header file mylex.h. We imply that this file should contain all define directives for the denotations used in the rules part: the names of token classes (YYBEGIN, YYID, etc.) and the extern declarations for the output variables of yylex(), like yyidtpr— a pointer to the id_tab entry for an identifier. Please note the following specifics of rules and semantic actions. Since each semantic action becomes part of the yylex() routine in the final generated code, they should contain

transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning, or otherwise, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 750-4470, or on the web at www.copyright.com. Requests to the

Typing and type-checking are yet another key parts of semantic analysis. In general, the concept of a type plays a very important role in programming languages and software engineering. Types are used to make programs more trustworthy—reliable and secure, since typing mechanisms enable to check if the use of any operations is correct, that is, corresponds to the data processed by the operations. Also, types make it possible to avoid security flaws in programs, in particular, to check that the

To break the alternative 1, the break statement after S1 is needed. Most C compilers don’t warn uses of a potential bug; lint does. 6 Dangerous use of weak typing features (in particular, in the conditions of if statements): int i = 0; … if (i) { printf(”Executed if bit 0 of i equals 1\n”); } 7 C and C++ allow the programmers to relax typing in conditions of if statements: Instead of Boolean expressions, integer expressions can be used. The condition is considered to be true if the lowest bit

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