Hermes: A Tutorial and Reference Manual - Researcher - IBM

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case(continued) Description:Copytheenumerationvaluecorrespondingtothecurrent Qualier:absent caseofvariantintoresult. AppendixB.HermesOperations163 checkdenitions(module,library) TypeRules: predefined!definitions--modules Exceptions:Depletion, DenitionError Seex11.7,p.117 Preconditions: Description:Checkthatthedenitionscontainedinmodulearecorrect Qualier:absent var(module) init(library) full(module) andconsistent,bothinternallyandwithrespecttoallthedenitions modulesinlibrary. Postconditions: makechecked(module) concatenate(result,source1,source2)Exceptions:Depletion, TypeRules: source12orderedtable source22orderedtable source12copyable source22copyable (DuplicateKey) (Uncopyable), Seex11.10,p.130 Preconditions: duplicatekey(result) uncopyable(source2) uncopyable(source1) var(result) init(source2) init(source1) result2orderedtable resultsource1source2 Postconditions: makeinit(result)
164B.6.OperationDescriptions concatenate(continued) Description:Createanewtableinresultthatcontainscopiesofallthe Qualier:absent connect(outport,inport) TypeRules: wereinthesourcetable. alltheelementsfromeithersourcetableareorderedinresultasthey elementsofsource1followedbyalltheelementsofsource2,suchthat Preconditions: inport2inport matchinginportof(outport) outport2outport Exceptions:Depletion Seex11.6,p.109 Description:Createanoutputportconnectedtoinport,andstoreitin Qualier:absent init(inport) var(outport) outport. Postconditions: convert(result,source) makeinit(outport) TypeRules: Preconditions: source2orderedscalar init(source) Exceptions:Depletion,(RangeError) result2orderedscalar Seex11.8,p.121 Description:Convertthevalueofsourcetotheappropriatecorrespondingvalueinthedomainofresult,andstoretheconvertedvalueinresult rangeerror(source,result) var(result) Postconditions: makeinit(result) Qualier:absent copy(result,source) TypeRules: source2copyable resultsource Exceptions:Depletion,(Uncopyable) result2copyableSeex11.4,p.106
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DavidF.BaconArthurP.GoldbergAndyLow
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Preface Thisdocumentcontainsatutori
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iv3TypeandTypestateChecking 5Resear
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Tutorial PartI 1
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ortransactions.AHermesmoduleisastra
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61.2.GettingStarted|ASimpleHermesPr
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81.2.GettingStarted|ASimpleHermesPr
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101.2.GettingStarted|ASimpleHermesP
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121.4.PuttingProcessesTogether thec
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141.4.PuttingProcessesTogether newI
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fullycheckedfortypeandtypestateerro
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constructs:thenewinput-port,connect
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201.5.DeclarationsandDenitions whil
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221.5.DeclarationsandDenitions Stan
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whichtheoutputportconnects|calledth
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261.6.ASimpleServer begin QuitCM:Qu
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281.6.ASimpleServer towritedataabst
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toaservice,whileretainingtheability
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322.1.Requirements PutLine PutLine
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342.3.Interfaces WMInterface:callme
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asmallchangetotheinterfaceFilter.Re
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382.5.Front-endProcess callParms.Ge
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402.5.Front-endProcess paringavalue
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ationtable[expr].Wehaveencounteredt
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ishiddenandinnowayaectsthesemantics
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462.7.TheWindowManager callCurrentW
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name.Ifwewaitedtobuildtheapplicatio
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502.8.CreatingaWindowApplication re
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522.8.CreatingaWindowApplication be
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examplesillustratedhere. errorhandl
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563.TypeandTypestateChecking anerro
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583.TypeandTypestateChecking Therei
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604.1.ExpressionBlocks anexpression
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624.3.Variants thevariantcomponents
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thetypestate(i.e.addattributes),but
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accesscontrol{anyonecangetit. 664.4
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685.ResearchDirectionsinHermes
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6Introduction Thereferencemanualpre
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7LexicalandSyntacticRules lectionso
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8Resolution name,attributename,exce
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8.1.2ComponentNames eachhaveacompon
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onthehandlerandusedontheexitstateme
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theelementwillalsobeknownbyapplying
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documentationpurposesevenwheretheya
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ments.Therstargumenttocasemustbeava
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Ifinit(CM)ispresentandCMisacallmess
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6.Determinethepostconditionsforeach
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droppedattributesafternormalcomplet
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11 HermesOperations Throughoutthere
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Thediscardstatementremovesthevaluef
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Ifnoneoftheclausescanexitsnormally,
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Ifthereisanoptionalselectexpression
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stmemberisanatomwithprintnamematchi
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types.Additionally,theoperations\an
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Less,Less-equal,Greater,Greater-equ
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RecordTypeFamily 11.5RecordOperatio
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valueofthetable,ifany,isdiscarded.
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thetableisordered,theelementisinser
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Page 142 and 143: A.1LexicalRules Webeginwiththerules
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Page 186 and 187: merge{at(continued) Description:Rem
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Page 202 and 203: definitions predefined:using() Appe
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[SYB87a]RobertE.Strom,ShaulaAlexand
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AppendixC.PredenedModule215 coercio
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AppendixC.PredenedModule217 dening,
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variablename discarded,29 variant,6
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