Transformation of Applicative Specifications into Imperative ...

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Abstract The RAISE Development Method is a formal software development method with an associated formal specification language, RSL, and a set of tools supporting the method and RSL. A typical RAISE development of imperative software starts with an abstract applicative specification which is developed into a concrete applicative specification. This concrete applicative specification is then transformed into an imperative specification, which can be further developed using the RAISE Development Method. While the development of applicative and imperative specifications is defined by a refinement relation, the transformation from applicative into imperative specification is only described informally. This project defines a set of transformation rules, which can be used to transform an applicative RSL specification into an imperative RSL specification for a subset of RSL. A notion of correctness of the transformation from applicative into imperative specification is defined and a verification of the correctness of the transformation rules is outlined. This means that when developing from applicative into imperative specification using the verified transformation rules, the correctness of this development step need not to be verified. A transformation tool that implements the transformation rules has been developed. Keywords RAISE, RSL, tool, transformation, applicative, imperative. iii
Page 1: Transformation of Applicative Speci
Page 7 and 8: Preface This report documents the M
Page 9 and 10: Contents 1 Introduction 1 1.1 The R
Page 11 and 12: CONTENTS 9.8.2 Check for Non-Syntac
Page 13 and 14: List of Tables 6.1 Transformation o
Page 15 and 16: List of Figures 1.1 Development pro
Page 17 and 18: Chapter 1 Introduction There are se
Page 19 and 20: 1.2. MOTIVATION Instead of developi
Page 21 and 22: 1.6. STRUCTURE OF THE REPORT Furthe
Page 23 and 24: Chapter 2 General Idea In order to
Page 25 and 26: 2.1. THE STACK EXAMPLE both sides w
Page 27 and 28: ✄ value increment : T × Int →
Page 29 and 30: Chapter 3 Terminology During the re
Page 31 and 32: Hidden Observer 3.2. TERMS AND DEFI
Page 33 and 34: Proper T-generator 3.2. TERMS AND D
Page 35 and 36: Chapter 4 Constraints In this proje
Page 37 and 38: 4.1. THE RSL CONSTRUCTIONS NOT CONS
Page 39 and 40: 4.1. THE RSL CONSTRUCTIONS NOT CONS
Page 41 and 42: Chapter 5 Transformability Not ever
Page 43 and 44: 5.2. CONDITIONS FOR TRANSFORMABILIT
Page 45 and 46: Chapter 6 Transformations In this c
Page 47 and 48: 6.3. TRANSFORMING TYPE DEFINITIONS
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6.4. TRANSFORMING EXPLICIT FUNCTION
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end 6.4. TRANSFORMING EXPLICIT FUNC
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✄ end empty : T = 〈〉, f : Uni
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Chapter 7 Correctness of Transforma
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7.2. INSTITUTIONS AND THEIR MATHEMA
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7.3. DEFINITION OF CORRECTNESS The
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Sentences 7.4. AN INSTITUTION FOR R
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Model Morphisms 7.4. AN INSTITUTION
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Satisfaction Relation 7.5. EXAMPLE
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7.5. EXAMPLE • s ′ init = [t
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Chapter 8 Specifications This chapt
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NT == 8.2. SPECIFICATION OF THE RSL
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8.3. SPECIFICATION OF THE TRANSFORM
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The Check for Transformability 8.3.
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. end 8.4. SPECIFICATION OF THE TRA
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. 8.4. SPECIFICATION OF THE TRANSFO
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8.5 Development Relation 8.5. DEVEL
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end get_map_value(m, t1) ≡ m(t1)
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end 8.5. DEVELOPMENT RELATION case
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8.5.3 Changing Other Types 8.5. DEV
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Chapter 9 Implementation of the Tra
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RSL A transformer Java 9.3. DEVELOP
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9.4. THE TRANSFORMER The classes in
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; | | . . . 9.6 The Visitor Modules
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} 9.7. DISADVANTAGES IN USING THE R
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General Expressions • Non-paramet
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Chapter 10 Examples of Transformati
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10.2. THE DATABASE When comparing t
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10.2. THE DATABASE 10.2.3 Concrete
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10.3. USING THE TRANSFORMER named d
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10.4. FURTHER DEVELOPMENT OF THE DA
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Chapter 11 Test This chapter contai
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11.2. CHOICE OF TESTS This means th
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Chapter 12 Possible Extensions of t
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12.1. TRANSFORMATIONS OF CONSTRUCTS
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12.2.3 Optimization of the Transfor
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Chapter 13 Conclusion In this chapt
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13.4. CONCLUDING REMARKS Translatio
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Bibliography [DOF] Data & Object Fa
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Appendix A Using and Extending the
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A.3. EXTENDING THE TRANSFORMER •
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Appendix B Contents of CD-ROM The e
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Appendix C Formal Specifications of
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C.1. FORMAL SPECIFICATION OF THE TR
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Appendix D Specification of Transfo
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D.1. FORMAL SPECIFICATION OF THE RS
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D.2. FORMAL SPECIFICATION OF THE TR
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Appendix E ANTLR Grammar This appen
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} : lm = lib_module { r s l a s t =
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type_def returns [ TypeDef td ] { t
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now = null ; } : var = q u a l i f
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Value D e c l a r a t i o n value_d
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} : ; TypeExpr te = null ; new RSLL
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; ( ( | TOTALARROW { f a = new TOTA
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; COMMA a = a c c e s s { a l . g e
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: ve1 = infix_expr_pr7 ( r i o = in
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; } prefix_expr returns [ ValueExpr
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ve1 , optional_value_expr_list ) ;
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; else { or = new R e s t r i c t i
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; ) ( new I n n e r P a t t e r n L
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infix_op_pr3 returns [ I n f i x O
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; ( HAT ip = pattern { lp = new Con
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TEXT_LITERAL : ’ " ’ ! ( ESC| ~
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| ’ \ r ’ { newline ( ) ; } |
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Appendix F Source Code This appendi
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} F.1. RSLRUNNER RSLast_transformab
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} } } } else { v a r i a b l e s =
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F.2. VISITOR MODULES public void vi
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F.2. VISITOR MODULES public void v
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} F.2. VISITOR MODULES public void
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} F.2. VISITOR MODULES i n f i n i
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} disExpr . dis_value_expr ( ) . ac
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F.2. VISITOR MODULES public void vi
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public void visitOR (OR or ) {} pub
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} } F.2. VISITOR MODULES for ( Patt
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} F.2. VISITOR MODULES componentKin
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} F.2. VISITOR MODULES formalFuncti
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F.2. VISITOR MODULES public void v
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} F.2. VISITOR MODULES f i n i t e
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} F.2. VISITOR MODULES i f ( produc
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} } r e s u l t . append ( "\n" ) ;
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} r e s u l t . append ( ".>" ) ; F
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public void visitSTAR (STAR r s l _
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} r e s u l t . append ( " t l " )
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Appendix G Test Results This append
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G.1. GREY BOX TEST OF THE PROGRAM c
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