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When forming a new product the traditional engineer can take advantage of ready-made subassemblies. To the software engineer, reusable software components offer the same possibilities; the same components can be incorporated into many whole new systems, thus saving the considerable time and effort it can take to generate new software. Starting with an introduction to software reuse and a discussion of its feasibility, the authors go on to consider how the Ada software components that may be found in this book could be used. Ada was designed with reuse very much in mind, and this book contains the complete source code for many software components, making it essentially a small, but invaluable, library. Everyone whose field is software engineering, both novices and experts alike, will find that this book offers a wealth of interesting and practical information.
Provides complete coverage of the Ada language and Ada programming in general by recognized authorities in Ada software engineering. Demonstrates the power and performance of Ada in the management of large-scale object-oriented systems, and shows how to use Ada features such as generics, packages, and tasking.
One problem facing the Computer Aided Prototyping System (CAPS) project at the Naval Postgraduate School, is the lack of a large repository of existing reliable software components to draw upon for the creation of new prototype designs. Specifically, it is the lack of Prototype System Description Language (PSDL) specifications which describe Ada software components, that prevents Ada software components from being incorporated into the CAPS software base. Previously, PSDL specification had to be generated manually for each Ada software component being added into the software base. This process was time consuming and error prone. The primary goal of this thesis is to solve this problem by creating a tool which accepts an Ada Package Specification as input and automatically generates its corresponding Prototype System Description Language (PS DL) specification. The Ada package along with its PSDL specification may then be stored directly into the CAPS software base. The result of this thesis is a translator that examines each declaration contained in an Ada Package Specification and creates a corresponding PSDL specification. This tool allows the CAPS software base to be populated much faster utilizing existing DOD Ada software libraries such as the CAMP, ASSET, RAPID, and CRSS libraries. This tool has demonstrated its effectiveness by translating several complex components of the Common Ada Missile Packages into PSDL specifications.
This collection of papers, resulting from the work of the ADA-Europe working group on software reuse, includes discussion of several kinds of ADA software and guidelines for writing reusable ADA software components.
The Ada programming language was created by the U.S. Department of Defense (DOD) nearly two decades ago to provide a general-purpose programming language for defense and commercial use, but has evolved into a niche solution for safety-critical systems, primarily in defense applications. Ada and Beyond presents an approach for the DOD to move beyond the debate over its policy that requires the use of Ada for all new software development. It describes the importance of the software engineering process and recommends to DOD mechanisms for more effective review of software development and improved collection of data on software project outcomes. The volume also analyzes the technical, empirical, and business cases for using Ada and other programming languages, makes recommendations regarding the appropriate conditions under which DOD should continue to require the use of Ada, and details activities that require funding by DOD in order for Ada to remain a viable programming language.
Ada is the programming language of choice for high integrity software systems and is used extensively in industries such as transportation and aerospace. Special features of the book include: Object-oriented programming, concurrency, and embedded and real-time systems are emphasized. Ada for Software Engineers explains the language concepts and the terminology of the standards document, the Ada Reference Manual (ARM). Extracts from the ARM are used throughtout and there are extensive cross references to the ARM. A comprehensive glossary and technical quizzes assist the reader in developing the ability to use the ARM as a practical reference. Comparisons with familiar languages like C and Java are given to facilitate the transition to Ada. The features of Ada 2005 are used routinely, but they are carefully identified, so that programmers using Ada 95 will also find the textbook useful. The companion website contains the full source code of nearly 100 case studies and 100 technical quizzes.