| 1 | |
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| 2 | class EnumDecl |
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| 3 | is partial |
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| 4 | inherits Container<of EnumMember> |
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| 5 | implements IBoxMember, INameSpaceMember |
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| 6 | |
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| 7 | # TODO: defaultAccessLevel = 'public' |
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| 8 | |
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| 9 | var _attribs as AttributeList |
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| 10 | var _storageTypeNode as ITypeProxy? |
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| 11 | var _storageType as IType? |
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| 12 | var _nativeType as NativeType? |
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| 13 | var _needScanNativeType as bool |
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| 14 | |
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| 15 | cue init(parent as IParentSpace?, token as IToken, idToken as IToken, name as String, isNames as List<of String>, attribs as AttributeList, storageTypeNode as ITypeProxy?, docString as String, enumMembers as List<of EnumMember>) |
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| 16 | base.init(parent, token, name, isNames, docString) |
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| 17 | _idToken = idToken |
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| 18 | _attribs = attribs |
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| 19 | _storageTypeNode = storageTypeNode |
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| 20 | for em in enumMembers |
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| 21 | .addDecl(em) |
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| 22 | em.enumDecl = this |
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| 23 | |
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| 24 | cue init(parent as IParentSpace?, nativeType as NativeType, isNames as List<of String>, docString as String?) |
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| 25 | base.init(parent, TokenFix.empty, nativeType.name, isNames, docString) |
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| 26 | _idToken = Token.empty |
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| 27 | _attribs = AttributeList() |
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| 28 | _nativeType = nativeType |
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| 29 | assert .compiler |
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| 30 | .backEnd.setUnderlyingType(this) # sets _storageTypeNode |
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| 31 | #_storageTypeNode = ClrTypeProxy(Enum.getUnderlyingType((_nativeType to ClrNativeType).backEndType)) # TODO: fix native |
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| 32 | _needScanNativeType = true |
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| 33 | |
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| 34 | def _scanNativeType |
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| 35 | assert .compiler |
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| 36 | .backEnd.scanNativeType(this) |
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| 37 | |
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| 38 | get attributes as AttributeList is override |
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| 39 | return _attribs |
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| 40 | |
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| 41 | get canDeclNamesDifferOnlyByCase as bool is override |
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| 42 | return _nativeType is not nil |
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| 43 | |
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| 44 | def cobraSourceSignature as String |
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| 45 | return .idString |
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| 46 | |
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| 47 | get defaultAccessLevel as String is override |
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| 48 | return 'public' |
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| 49 | |
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| 50 | get englishName as String is override |
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| 51 | return 'enumeration type' |
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| 52 | |
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| 53 | get idToken from var as IToken |
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| 54 | |
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| 55 | def isDescendantOf(type as IType) as bool is override |
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| 56 | or require .nativeType |
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| 57 | if .nativeType and not .didBindInh, .bindInh |
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| 58 | return type is this |
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| 59 | |
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| 60 | get isFromBinaryLibrary as bool |
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| 61 | return _nativeType is not nil |
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| 62 | |
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| 63 | get isShared as bool is override |
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| 64 | return true |
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| 65 | |
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| 66 | get isReference as bool is override |
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| 67 | # enums are not reference types |
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| 68 | return false |
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| 69 | |
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| 70 | pro isUsed as bool |
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| 71 | get |
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| 72 | return base.isUsed |
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| 73 | set |
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| 74 | base.isUsed = value |
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| 75 | if _needScanNativeType, _scanNativeType |
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| 76 | |
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| 77 | get nativeType from var |
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| 78 | |
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| 79 | get typeForIdentifier as IType is override |
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| 80 | return .compiler.typeType |
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| 81 | |
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| 82 | get typeForReceiver as IType is override |
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| 83 | return this |
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| 84 | |
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| 85 | def _bindInt is override |
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| 86 | base._bindInt |
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| 87 | for attrib in .attributes, attrib.bindInt |
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| 88 | if _storageTypeNode |
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| 89 | _storageType = _storageTypeNode.realType |
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| 90 | if not _storageType.isDescendantOf(.compiler.anyIntType) |
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| 91 | .throwError('The enumeration storage type must be a primitive integer type such as int8, uint8, int16, uint16, int, uint, int64 or uint64.') |
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| 92 | if _needScanNativeType, _scanNativeType |
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| 93 | |
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| 94 | def _bindImp is override |
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| 95 | base._bindImp |
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| 96 | for attrib in .attributes, attrib.bindImp |
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| 97 | # the storage type is always a primitive type like `int` so no _bindImp is necessary |
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| 98 | |
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| 99 | def extensionMemberFor(box as Box, name as String) as IMember? |
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| 100 | return nil |
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| 101 | |
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| 102 | def mangleName(name as String) as String |
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| 103 | return name |
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| 104 | |
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| 105 | def memberForName(name as String) as IMember? |
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| 106 | if _needScanNativeType, _scanNativeType |
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| 107 | m = base.memberForName(name) |
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| 108 | if m is nil |
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| 109 | objClass = .compiler.objectType |
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| 110 | return objClass.memberForName(name) |
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| 111 | return m |
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| 112 | |
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| 113 | def mergedIntoPartialBox(newBox as Box) |
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| 114 | require |
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| 115 | newBox is not .parentBox |
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| 116 | newBox.name == .parentBox.name |
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| 117 | body |
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| 118 | _parentBox = newBox |
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| 119 | |
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| 120 | |
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| 121 | class EnumMember |
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| 122 | is partial |
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| 123 | inherits NamedNode |
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| 124 | implements IMember |
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| 125 | """ |
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| 126 | Holds the name and (optionally) value of a member of an EnumDecl. |
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| 127 | """ |
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| 128 | |
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| 129 | var _value as int? |
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| 130 | var _enumDecl as EnumDecl? |
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| 131 | |
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| 132 | cue init(token as IToken, value as int?) |
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| 133 | require token.which=='ID' |
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| 134 | base.init(token, token.text) |
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| 135 | _value = value |
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| 136 | |
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| 137 | cue init(name as String, value as int) |
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| 138 | base.init(name) |
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| 139 | _value = value |
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| 140 | |
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| 141 | def addMinFields is override |
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| 142 | base.addMinFields |
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| 143 | .addField('value', _value) |
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| 144 | |
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| 145 | get attributes as AttributeList |
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| 146 | return AttributeList() |
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| 147 | |
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| 148 | pro enumDecl from var |
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| 149 | |
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| 150 | get isCallable as bool |
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| 151 | return false |
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| 152 | |
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| 153 | get isShared as bool |
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| 154 | return true |
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| 155 | |
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| 156 | get englishName as String |
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| 157 | return 'enumeration value' |
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| 158 | |
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| 159 | pro parentNameSpace as NameSpace? |
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| 160 | get |
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| 161 | return nil |
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| 162 | set |
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| 163 | throw NotSupportedException() |
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| 164 | |
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| 165 | get requiresThis as bool |
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| 166 | # This property probably doesn't make much sense for an enum member which must always |
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| 167 | # be accessed via its containg enum type. |
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| 168 | return false |
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| 169 | |
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| 170 | get resultType as IType |
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| 171 | require .enumDecl |
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| 172 | return _enumDecl to ! |
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| 173 | |
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| 174 | get typeForIdentifier as IType is override |
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| 175 | return _enumDecl to ! |
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| 176 | |
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| 177 | get typeForReceiver as IType is override |
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| 178 | return _enumDecl to ! |
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| 179 | |
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| 180 | get value from var |
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| 181 | |
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| 182 | def unNilReturnType |
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| 183 | # TODO: can this be axed when IMember gets broken up? |
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| 184 | pass |
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