19.2.3. ASL 根项和次级项

// 根项

> ASLCode := > > > DefinitionBlockList

> DefinitionBlockList := > > > DefinitionBlockTerm | <DefinitionBlockTerm DefinitionBlockList>

// 主要项

> SuperName := > > > NameString | ArgTerm | LocalTerm | DebugTerm | ReferenceTypeOpcode | MethodInvocationTerm

> Target := > > > Nothing | SuperName

> TermArg := > > > ExpressionOpcode | DataObject | ArgTerm | LocalTerm | NameString | SymbolicExpression

> MethodInvocationTerm := > > > NameString ( // NameString => Method > > ArgList > > ) => Nothing | DataRefObject

// 列表项

> ArgList := > > > Nothing | <TermArg ArgListTail>

> ArgListTail := > > > Nothing | <CommaChar TermArg ArgListTail>

> ByteList := > > > Nothing | <ByteConstExpr ByteListTail>

> ByteListTail := > > > Nothing | <CommaChar ByteConstExpr ByteListTail>

> DWordList := > > > Nothing | <DwordConstExpr DWordListTail>

> DWordListTail := > > > Nothing | <CommaChar DwordConstExpr DWordListTail>

> ExtendedAccessAttribTerm := > > > ExtendedAccessAttribKeyword ( > > AccessLength //ByteConst > > )

> FieldUnitList := > > > Nothing | <FieldUnit FieldUnitListTail>

> FieldUnitListTail := > > > Nothing | <CommaChar FieldUnit FieldUnitListTail>

> FieldUnit := > > > FieldUnitEntry | OffsetTerm | AccessAsTerm | ConnectionTerm

> FieldUnitEntry := > > > <Nothing | NameSeg> CommaChar Integer

> PackageList := > > > Nothing | <PackageElement PackageListTail>

> PackageListTail := > > > Nothing | <CommaChar PackageElement PackageListTail>

> PackageElement := > > > DataObject | NameString

> ParameterTypePackage := > > > ObjectTypeKeyword | {Nothing | ParameterTypePackageList}

> ParameterTypePackageList := > > > ObjectTypeKeyword | <ObjectTypeKeyword CommaChar ParameterTypePackageList>

> ParameterTypesPackage := > > > ObjectTypeKeyword | {Nothing | ParameterTypesPackageList}

> ParameterTypesPackageList := > > > ParameterTypePackage | <ParameterTypePackage CommaChar ParameterTypesPackageList>

> TermList := > > > Nothing | <Term SemiColonDelimiter TermList>

> Term := > > > Object | StatementOpcode | ExpressionOpcode | SymbolicExpression

> Object := > > > CompilerDirective | NamedObject | NameSpaceModifier

// 条件执行列表项

> CaseTermList := > > > Nothing | CaseTerm | DefaultTerm DefaultTermList | CaseTerm CaseTermList

> DefaultTermList := > > > Nothing | CaseTerm | CaseTerm DefaultTermList

> IfElseTerm := > > > IfTerm ElseTerm