Transformation of Applicative Specifications into Imperative ...

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CHAPTER 4. CONSTRAINTS further developed into an imperative specification. This makes it superfluous to be able to transform abstract applicative specifications. There is one exception to this constraint. Sort definitions that are not of a type of interest are transformed, as this transformation does not cause any trouble. • Concurrent specifications Reason: To simplify matters. Concurrent specifications are not considered in order to limit the size of the project. • Union definitions. Reason: To simplify matters. Due to major revisions needed in one of the tools used in order to be able to do the transformation of union definitions, union definitions are left out. Furthermore, union definitions can be rewritten into variant definitions. • Post conditions. Reason: To simplify matters. Post conditions are usually used in abstract specifications which are not considered. • Parameterized scheme definitions. Reason: To simplify matters. Furthermore, a parameterized scheme definition can be rewritten into a non-parameterized scheme definition by incorporating the classes over which the scheme is parameterized. • Extending class expressions. Reason: To simplify matters. Furthermore, an extending class expression can be rewritten into a basic class expression by incorporating the extended class in the extending class. • Hiding class expressions. Reason: To simplify matters. • Renaming class expressions. Reason: To simplify matters. Furthermore, a renaming class expression can be rewritten into a basic class expression by rewriting the original class using the new names. • Scheme instantiations. Reason: To simplify matters. Furthermore, scheme instantiations can be rewritten by using a whole scheme definition for each instantiation. • Object declarations. Reason: To simplify matters. • Quantified expressions. Reason: To simplify matters. 20
4.1. THE RSL CONSTRUCTIONS NOT CONSIDERED • Function expressions. Reason: To simplify matters. In some cases function expressions can be rewritten by introducing a new function at outermost level. • Initialise expressions. Reason: Initialise expressions are not considered as the initial values of the established variables are unknown. This means that an initialse expression would have no effect. • Infinite map expressions. Reason: To simplify matters. Due to major revisions needed in one of the tools used in order to be able to do the transformation of infinite map expressions, infinite map expressions are left out. Furthermore, infinite maps are not widely used. • Test cases. Reason: To simplify matters. Non-Syntactical Constraints • Subtype expressions in which a type of interest is part of the single typing. Reasons: The transformation of subtype expressions in which a type of interest is part of the single typing would lead to a syntactically wrong imperative specification. • Explicit value definitions of the form product_binding : type_expr = value_expr. Reason: To simplify matters. Furthermore, most value definitions of the form product_binding : type_expr = value_expr can be rewritten by establishing more explicit value definitions, one for each id_binding in the product_binding. • The type expression of a single typing of an explicit function definition shall be a function type expression. Reason: To simplify matters. Furthermore, this can easily be accomplished by inserting the actual type of the function instead of using a corresponding type name. • Higher order functions. Reason: To simplify matters. In some cases higher order functions can be rewritten into normal functions, e.g. a function of the type U → T → V can be rewritten into a function of the type U × T → V. • Collections of values of the types of interest such as sets and lists of values of the types of interest and maps containing values of the types 21
Page 1: Transformation of Applicative Speci
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Page 10 and 11: CONTENTS 6.4.3 Transforming Value E
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Page 16 and 17: LIST OF FIGURES xvi
Page 18 and 19: CHAPTER 1. INTRODUCTION This stepwi
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CHAPTER 7. CORRECTNESS OF TRANSFORM
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CHAPTER 8. SPECIFICATIONS The rewri
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CHAPTER 8. SPECIFICATIONS RSL speci
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CHAPTER 8. SPECIFICATIONS The FUNC
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CHAPTER 8. SPECIFICATIONS out, that
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CHAPTER 8. SPECIFICATIONS construct
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CHAPTER 8. SPECIFICATIONS 8.4.1 Mor
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CHAPTER 8. SPECIFICATIONS PRECOND_T
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CHAPTER 8. SPECIFICATIONS if length
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CHAPTER 8. SPECIFICATIONS subtypes.
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CHAPTER 8. SPECIFICATIONS 8.5.2 Cha
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CHAPTER 8. SPECIFICATIONS axiom [ m
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CHAPTER 8. SPECIFICATIONS Specifica
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CHAPTER 8. SPECIFICATIONS the lack
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CHAPTER 9. IMPLEMENTATION OF THE TR
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CHAPTER 10. EXAMPLES OF TRANSFORMAT
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CHAPTER 11. TEST 11.1.1 Lexer and P
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CHAPTER 11. TEST An overview of the
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CHAPTER 12. POSSIBLE EXTENSIONS OF
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CHAPTER 13. CONCLUSION RSL AST and
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CHAPTER 13. CONCLUSION 132
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BIBLIOGRAPHY [ST02] Donald Sannello
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APPENDIX A. USING AND EXTENDING THE
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APPENDIX A. USING AND EXTENDING THE
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APPENDIX B. CONTENTS OF CD-ROM 140
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APPENDIX C. FORMAL SPECIFICATIONS O
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APPENDIX D. SPECIFICATION OF TRANSF
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APPENDIX E. ANTLR GRAMMAR END = "en
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APPENDIX E. ANTLR GRAMMAR ; d = d e
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APPENDIX E. ANTLR GRAMMAR ; } ( com
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APPENDIX E. ANTLR GRAMMAR ; ) ∗ }
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APPENDIX E. ANTLR GRAMMAR ; } else
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APPENDIX E. ANTLR GRAMMAR prod_bind
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APPENDIX E. ANTLR GRAMMAR ; | | | |
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APPENDIX E. ANTLR GRAMMAR ; | NAT {
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APPENDIX E. ANTLR GRAMMAR ; { ve3 =
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APPENDIX E. ANTLR GRAMMAR ( | RPARE
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APPENDIX E. ANTLR GRAMMAR new RSLLi
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APPENDIX E. ANTLR GRAMMAR infix_op_
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APPENDIX E. ANTLR GRAMMAR : v l = v
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APPENDIX E. ANTLR GRAMMAR } t e s t
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APPENDIX F. SOURCE CODE System . e
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APPENDIX F. SOURCE CODE } } catch (
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APPENDIX F. SOURCE CODE F.2 Visitor
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APPENDIX F. SOURCE CODE public void
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APPENDIX F. SOURCE CODE StringRSLAs
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APPENDIX F. SOURCE CODE } nameOrWil
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APPENDIX F. SOURCE CODE } public vo
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APPENDIX F. SOURCE CODE } } public
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APPENDIX F. SOURCE CODE } r e s u l
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APPENDIX F. SOURCE CODE } } r e s u
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APPENDIX G. TEST RESULTS continued
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