VDM-10 Language Manual

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$Course Material\Efficiently Coding Communication Protocols in C++ ...$

VDM-10 Language Manual C.1 The Family of Combinators These combinators have the highest family priority. combinator = iterate | composition ; iterate = ‘**’ ; composition = ‘comp’ ; precedence level combinator 1 comp 2 iterate C.2 The Family of Applicators All applicators have equal precedence. applicator = subsequence | apply | function type instantiation | field select ; subsequence = expression, ‘(’, expression, ‘,’, ‘...’, ‘,’, expression, ‘)’ ; apply = expression, ‘(’, [ expression list ], ‘)’ ; function type instantiation = expression, ‘[’, type, { ‘,’, type }, ‘]’ ; field select = expression, ‘.’, identifier ; C.3 The Family of Evaluators The family of evaluators is divided into nine groups, according to the type of expression they are used in. 206
Appendix C. Operator Precedence evaluator = arithmetic prefix operator | set prefix operator | sequence prefix operator | map prefix operator | map inverse | arithmetic infix operator | set infix operator | sequence infix operator | map infix operator ; arithmetic prefix operator = ‘+’ | ‘-’ | ‘abs’ | ‘floor’ ; set prefix operator = ‘card’ | ‘power’ | ‘dunion’ | ‘dinter’ ; sequence prefix operator = ‘hd’ | ‘tl’ | ‘len’ | ‘inds’ | ‘elems’ | ‘conc’ ; map prefix operator = ‘dom’ | ‘rng’ | ‘merge’ | ‘inverse’ ; arithmetic infix operator = ‘+’ | ‘-’ | ‘*’ | ‘/’ | ‘rem’ | ‘mod’ | ‘div’ ; set infix operator = ‘union’ | ‘inter’ | ‘\’ ; sequence infix operator = ‘ˆ’ ; map infix operator = ‘munion’ | ‘++’ | ‘’ ; The precedence ordering follows a pattern of analogous operators. The family is defined in the following table. C.4 The Family of Relations This family includes all the relational operators whose results are of type bool. relation = relational infix operator | set relational operator ; relational infix operator = ‘=’ | ‘’ | ‘=’ ; set relational operator = ‘subset’ | ‘psubset’ | ‘in set’ | ‘not in set’ ; 207
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Overture - Open-source Tools for Fo
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Contents 1 Introduction 1 1.1 The V
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CONTENTS 13 Statements 97 13.1 Let
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CONTENTS A.7.19 The Undefined Expre
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Chapter 1 Introduction The Vienna D
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Chapter 2 Concrete Syntax Notation
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Chapter 3 Data Type Definitions As
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Chapter 3. Data Type Definitions We
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Chapter 3. Data Type Definitions Op
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Chapter 3. Data Type Definitions (a
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Chapter 3. Data Type Definitions
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Chapter 3. Data Type Definitions m1
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Chapter 3. Data Type Definitions Sy
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Chapter 3. Data Type Definitions Th
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Chapter 3. Data Type Definitions to
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Chapter 4 Algorithm Definitions In
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Chapter 5 Function Definitions In t
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Chapter 5. Function Definitions Not
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Chapter 5. Function Definitions Thi
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Chapter 6 Expressions In this subse
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Chapter 6. Expressions ✡✝ mk_Sc
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Chapter 6. Expressions Examples: Th
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Chapter 6. Expressions where e1 is
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Chapter 6. Expressions all expressi
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Chapter 6. Expressions where bd is
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Chapter 6. Expressions 6.8 Sequence
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Chapter 6. Expressions where all th
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Chapter 6. Expressions mu operator.
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Chapter 6. Expressions new expressi
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Chapter 6. Expressions Examples: Us
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Chapter 6. Expressions which will r
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Chapter 6. Expressions Examples: As
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Chapter 6. Expressions • #active(
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Chapter 6. Expressions ✞ state si
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Chapter 6. Expressions Semantics: A
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Chapter 7 Patterns Syntax: pattern
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Chapter 7. Patterns In the followin
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Chapter 7. Patterns ✡✝ ✆ The
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Chapter 8 Bindings Syntax: bind = s
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Chapter 9 Value (Constant) Definiti
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Chapter 10 Instance Variables (VDM+
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Chapter 11 The State Definition (VD
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Chapter 11. The State Definition (V
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Chapter 12 Operation Definitions Op
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Chapter 12. Operation Definitions s
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Chapter 12. Operation Definitions h
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Chapter 13 Statements In this secti
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Chapter 13. Statements ✡✝ def t
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Chapter 13. Statements block return
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Chapter 13. Statements Examples: Th
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Chapter 13. Statements elseif state
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Chapter 13. Statements ‘do’, st
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Chapter 13. Statements 13.7 The Whi
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Chapter 13. Statements ✡✝ (dcl
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Chapter 13. Statements ✞ ✡✝ R
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Chapter 13. Statements where expres
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Chapter 13. Statements result of th
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Chapter 13. Statements ✡✝ else
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Chapter 13. Statements ✞ bootSequ
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Chapter 13. Statements ✞ op1 : na
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Chapter 14 Top-level Specification
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Chapter 14. Top-level Specification
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Chapter 15 Synchronization Constrai
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Chapter 15. Synchronization Constra
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Chapter 16 Threads (VDM++ and VDM-R
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Chapter 16. Threads (VDM++ and VDM-
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Chapter 16. Threads (VDM++ and VDM-
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Chapter 17 Top-level Specification
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Page 169 and 170: Chapter 18 Trace Definitions In ord
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Page 173 and 174: Chapter 19 Static Semantics VDM spe
Page 175 and 176: Chapter 20 Scope Conflicts (VDM++ a
Page 177 and 178: References [Ada LRM] [Bicarregui&94
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Page 181 and 182: Appendix A The Syntax of the VDM La
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Page 207 and 208: Appendix B Lexical Specification B.
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Page 213: Appendix C Operator Precedence The
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Page 219 and 220: Appendix D Differences between the
Page 221 and 222: Index abs, 9 and, 6 card, 14 comp f
Page 223 and 224: INDEX arithmetic minus, 185 arithme
Page 225 and 226: INDEX boolean type, 6 char, 11 func
Page 227 and 228: INDEX sequence enumeration, 53, 187
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VDM-10 Language Manual

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