1. 10. The procedural extension JVMc of JVMI
ps lab 김윤경

2. content 10.1 Dynamic semantics of the JVMc
Fig Trustful execution of JVMc instructions
Fig Trustful switch machine
10.2 Compilation of JVMc
Fig compilation of Javac expressions/statements

3. 10.1 Dynamic semantics of the JVMc
data Instr = …
| GetStatic(Type, Class/Field)
| PutStatic(Type, Class/Field)
| InvokeStatic(Type, Class/MSig)
| Return(MoveType)
data MoveType = …
| void

4. Environment. cEnv: Class -> ClassFile
data ClassFile = Cfile ( classNm : Class,
isInterface : Bool ,
modifiers : Powerset(Modifier),
super : Class,
implements : Powerset(Class),
fields : FieldTab,
methods : MethTab)

5. type FieldTab = Map(Field, FDec)
type MethTab = Map(Msig,MDec)
data FDec = FDec(modiers : Powerset(Modier),
type : Type)
data MDec = Mdec ( modiers : Powerset(Modier),
returnType : Type,
code : Code,
excs : Exc,
(maxOpd, maxReg) : (Nat, Nat))

6. State. type Frame = (Pc, Map(RegNo, Word), Word*, Class/MSig)
data Switch = Noswitch
| Call (Class/Msig,Args)
| Result(Val )
| InitClass(Class)

9. 10.2 Compilation of Javac