VDM-10 Language Manual

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

A.6.5 Operation Definitions operation definitions = ‘operations’, [ access operation definition ], { ‘;’, access operation definition }, [ ‘;’ ] ; access operation definition = ( [ ‘async’ ] [ access ], [ ‘static’ ]) | ( [ ‘async’ ] [ ‘static’ ], [ access ]), operation definition ; operation definition = explicit operation definition | implicit operation definition | extended explicit operation definition ; explicit operation definition = identifier, ‘:’, operation type, identifier, parameters, ‘==’, operation body, [ ‘pre’, expression ], [ ‘post’, expression ] , ; VDM-10 Language Manual implicit operation definition = identifier, parameter types, [ identifier type pair list ], implicit operation body ; implicit operation body = [ externals ], [ ‘pre’, expression ], ‘post’, expression, [ exceptions ] ; extended explicit operation definition = identifier, parameter types, [ identifier type pair list ], ‘==’, operation body, [ externals ], [ ‘pre’, expression ], [ ‘post’, expression ], [ exceptions ] ; operation type = discretionary type, ‘==>’, discretionary type ; operation body = statement | ‘is not yet specified’ | ‘is subclass responsibility’ | ‘is not yet specified’ ; 180
Appendix A. The Syntax of the VDM Languages externals = ‘ext’, var information, { var information } ; var information = mode, name list, [ ‘:’, type ] ; mode = ‘rd’ | ‘wr’ ; exceptions = ‘errs’, error list ; error list = error, { error } ; error = identifier, ‘:’, expression, ‘->’, expression ; A.6.6 Instance Variable Definitions (VDM++ and VDM-RT) instance variable definitions = ‘instance’, ‘variables’, [ instance variable definition, { ‘;’, instance variable definition } ] ; instance variable definition = access assignment definition | invariant definition ; access assignment definition = ([ access ], [ ‘static’ ]) | ([ ‘static’ ], [ access ]), assignment definition ; invariant definition = ‘inv’, expression ; A.6.7 Synchronization Definitions (VDM++ and VDM-RT) synchronization definitions = ‘sync’, [ synchronization ] ; synchronization = permission predicates ; permission predicates = permission predicate, { ‘;’, permission predicate } ; permission predicate = ‘per’, name, ‘=>’, expression | mutex predicate ; mutex predicate = ‘mutex’, ‘(’, ‘all’, ‘)’ | ‘mutex’, ‘(’, name list ‘)’ ; 181
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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 Th
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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 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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Page 159 and 160: Chapter 17 Top-level Specification
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 and 214: 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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