Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/code/TargetType.java
src/share/classes/com/sun/tools/javac/code/TargetType.java
- changeset 1442
- fcf89720ae71
- parent 1357
- c75be5bc5283
- child 1521
- 71f35e4b93a5
equal
deleted
inserted
replaced
| 1441:c78acf6c2f3e | 1442:fcf89720ae71 |
|---|---|
| 164 UNKNOWN(-1); | 164 UNKNOWN(-1); |
| 165 | 165 |
| 166 static final int MAXIMUM_TARGET_TYPE_VALUE = 0x22; | 166 static final int MAXIMUM_TARGET_TYPE_VALUE = 0x22; |
| 167 | 167 |
| 168 private final int targetTypeValue; | 168 private final int targetTypeValue; |
| 169 private Set<TargetAttribute> flags; | 169 private final Set<TargetAttribute> flags; |
| 170 | 170 |
| 171 TargetType(int targetTypeValue, TargetAttribute... attributes) { | 171 TargetType(int targetTypeValue, TargetAttribute... attributes) { |
| 172 if (targetTypeValue < Byte.MIN_VALUE | 172 if (targetTypeValue < Byte.MIN_VALUE |
| 173 || targetTypeValue > Byte.MAX_VALUE) | 173 || targetTypeValue > Byte.MAX_VALUE) |
| 174 throw new AssertionError("attribute type value needs to be a byte: " + targetTypeValue); | 174 throw new AssertionError("attribute type value needs to be a byte: " + targetTypeValue); |
| 231 | 231 |
| 232 public int targetTypeValue() { | 232 public int targetTypeValue() { |
| 233 return this.targetTypeValue; | 233 return this.targetTypeValue; |
| 234 } | 234 } |
| 235 | 235 |
| 236 private static TargetType[] targets = null; | 236 private static final TargetType[] targets; |
| 237 | 237 |
| 238 private static TargetType[] buildTargets() { | 238 static { |
| 239 TargetType[] targets = new TargetType[MAXIMUM_TARGET_TYPE_VALUE + 1]; | 239 targets = new TargetType[MAXIMUM_TARGET_TYPE_VALUE + 1]; |
| 240 TargetType[] alltargets = values(); | 240 TargetType[] alltargets = values(); |
| 241 for (TargetType target : alltargets) { | 241 for (TargetType target : alltargets) { |
| 242 if (target.targetTypeValue >= 0) | 242 if (target.targetTypeValue >= 0) |
| 243 targets[target.targetTypeValue] = target; | 243 targets[target.targetTypeValue] = target; |
| 244 } | 244 } |
| 245 for (int i = 0; i <= MAXIMUM_TARGET_TYPE_VALUE; ++i) { | 245 for (int i = 0; i <= MAXIMUM_TARGET_TYPE_VALUE; ++i) { |
| 246 if (targets[i] == null) | 246 if (targets[i] == null) |
| 247 targets[i] = UNKNOWN; | 247 targets[i] = UNKNOWN; |
| 248 } | 248 } |
| 249 return targets; | |
| 250 } | 249 } |
| 251 | 250 |
| 252 public static boolean isValidTargetTypeValue(int tag) { | 251 public static boolean isValidTargetTypeValue(int tag) { |
| 253 if (targets == null) | |
| 254 targets = buildTargets(); | |
| 255 | |
| 256 if (((byte)tag) == ((byte)UNKNOWN.targetTypeValue)) | 252 if (((byte)tag) == ((byte)UNKNOWN.targetTypeValue)) |
| 257 return true; | 253 return true; |
| 258 | 254 |
| 259 return (tag >= 0 && tag < targets.length); | 255 return (tag >= 0 && tag < targets.length); |
| 260 } | 256 } |
| 261 | 257 |
| 262 public static TargetType fromTargetTypeValue(int tag) { | 258 public static TargetType fromTargetTypeValue(int tag) { |
| 263 if (targets == null) | |
| 264 targets = buildTargets(); | |
| 265 | |
| 266 if (((byte)tag) == ((byte)UNKNOWN.targetTypeValue)) | 259 if (((byte)tag) == ((byte)UNKNOWN.targetTypeValue)) |
| 267 return UNKNOWN; | 260 return UNKNOWN; |
| 268 | 261 |
| 269 if (tag < 0 || tag >= targets.length) | 262 if (tag < 0 || tag >= targets.length) |
| 270 throw new IllegalArgumentException("Unknown TargetType: " + tag); | 263 throw new IllegalArgumentException("Unknown TargetType: " + tag); |
