Thu, 10 Oct 2013 20:12:08 -0400
8008762: Type annotation on inner class in anonymous class show up as regular type annotations
8015257: type annotation with TYPE_USE and FIELD attributed differently if repeated.
8013409: test failures for type annotations
Summary: Fixes to address some problems in type annotations
Reviewed-by: jfranck, jjg
duke@1 | 1 | /* |
jjg@1521 | 2 | * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@554 | 7 | * published by the Free Software Foundation. Oracle designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@554 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
duke@1 | 10 | * |
duke@1 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 15 | * accompanied this code). |
duke@1 | 16 | * |
duke@1 | 17 | * You should have received a copy of the GNU General Public License version |
duke@1 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 20 | * |
ohair@554 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 23 | * questions. |
duke@1 | 24 | */ |
duke@1 | 25 | |
duke@1 | 26 | package com.sun.tools.javac.code; |
duke@1 | 27 | |
jjg@1645 | 28 | import java.lang.annotation.Annotation; |
jjg@988 | 29 | import java.util.Collections; |
mcimadamore@1338 | 30 | import java.util.EnumMap; |
mcimadamore@1338 | 31 | import java.util.EnumSet; |
mcimadamore@1338 | 32 | import java.util.Map; |
mcimadamore@1338 | 33 | import java.util.Set; |
mcimadamore@1342 | 34 | |
duke@1 | 35 | import javax.lang.model.type.*; |
duke@1 | 36 | |
jjg@1357 | 37 | import com.sun.tools.javac.code.Symbol.*; |
jjg@1357 | 38 | import com.sun.tools.javac.util.*; |
mcimadamore@1342 | 39 | import static com.sun.tools.javac.code.BoundKind.*; |
duke@1 | 40 | import static com.sun.tools.javac.code.Flags.*; |
duke@1 | 41 | import static com.sun.tools.javac.code.Kinds.*; |
jjg@1374 | 42 | import static com.sun.tools.javac.code.TypeTag.*; |
duke@1 | 43 | |
duke@1 | 44 | /** This class represents Java types. The class itself defines the behavior of |
duke@1 | 45 | * the following types: |
duke@1 | 46 | * <pre> |
duke@1 | 47 | * base types (tags: BYTE, CHAR, SHORT, INT, LONG, FLOAT, DOUBLE, BOOLEAN), |
duke@1 | 48 | * type `void' (tag: VOID), |
duke@1 | 49 | * the bottom type (tag: BOT), |
duke@1 | 50 | * the missing type (tag: NONE). |
duke@1 | 51 | * </pre> |
duke@1 | 52 | * <p>The behavior of the following types is defined in subclasses, which are |
duke@1 | 53 | * all static inner classes of this class: |
duke@1 | 54 | * <pre> |
duke@1 | 55 | * class types (tag: CLASS, class: ClassType), |
duke@1 | 56 | * array types (tag: ARRAY, class: ArrayType), |
duke@1 | 57 | * method types (tag: METHOD, class: MethodType), |
duke@1 | 58 | * package types (tag: PACKAGE, class: PackageType), |
duke@1 | 59 | * type variables (tag: TYPEVAR, class: TypeVar), |
duke@1 | 60 | * type arguments (tag: WILDCARD, class: WildcardType), |
mcimadamore@1268 | 61 | * generic method types (tag: FORALL, class: ForAll), |
duke@1 | 62 | * the error type (tag: ERROR, class: ErrorType). |
duke@1 | 63 | * </pre> |
duke@1 | 64 | * |
jjg@581 | 65 | * <p><b>This is NOT part of any supported API. |
jjg@581 | 66 | * If you write code that depends on this, you do so at your own risk. |
duke@1 | 67 | * This code and its internal interfaces are subject to change or |
duke@1 | 68 | * deletion without notice.</b> |
duke@1 | 69 | * |
jjg@1374 | 70 | * @see TypeTag |
duke@1 | 71 | */ |
alundblad@2100 | 72 | public abstract class Type extends AnnoConstruct implements TypeMirror { |
duke@1 | 73 | |
duke@1 | 74 | /** Constant type: no type at all. */ |
vromero@1853 | 75 | public static final JCNoType noType = new JCNoType(); |
duke@1 | 76 | |
mcimadamore@1347 | 77 | /** Constant type: special type to be used during recovery of deferred expressions. */ |
vromero@1853 | 78 | public static final JCNoType recoveryType = new JCNoType(); |
mcimadamore@1347 | 79 | |
mcimadamore@1889 | 80 | /** Constant type: special type to be used for marking stuck trees. */ |
mcimadamore@1889 | 81 | public static final JCNoType stuckType = new JCNoType(); |
mcimadamore@1889 | 82 | |
duke@1 | 83 | /** If this switch is turned on, the names of type variables |
duke@1 | 84 | * and anonymous classes are printed with hashcodes appended. |
duke@1 | 85 | */ |
duke@1 | 86 | public static boolean moreInfo = false; |
duke@1 | 87 | |
jjg@1521 | 88 | /** The defining class / interface / package / type variable. |
duke@1 | 89 | */ |
duke@1 | 90 | public TypeSymbol tsym; |
duke@1 | 91 | |
duke@1 | 92 | /** |
jjg@1374 | 93 | * Checks if the current type tag is equal to the given tag. |
jjg@1374 | 94 | * @return true if tag is equal to the current type tag. |
jjg@1374 | 95 | */ |
jjg@1374 | 96 | public boolean hasTag(TypeTag tag) { |
vromero@1853 | 97 | return tag == getTag(); |
jjg@1374 | 98 | } |
jjg@1374 | 99 | |
jjg@1374 | 100 | /** |
jjg@1374 | 101 | * Returns the current type tag. |
jjg@1374 | 102 | * @return the value of the current type tag. |
jjg@1374 | 103 | */ |
vromero@1853 | 104 | public abstract TypeTag getTag(); |
jjg@1374 | 105 | |
jjg@1374 | 106 | public boolean isNumeric() { |
vromero@1853 | 107 | return false; |
jjg@1374 | 108 | } |
jjg@1374 | 109 | |
jjg@1374 | 110 | public boolean isPrimitive() { |
vromero@1853 | 111 | return false; |
jjg@1374 | 112 | } |
jjg@1374 | 113 | |
jjg@1374 | 114 | public boolean isPrimitiveOrVoid() { |
vromero@1853 | 115 | return false; |
jjg@1374 | 116 | } |
jjg@1374 | 117 | |
jjg@1374 | 118 | public boolean isReference() { |
vromero@1853 | 119 | return false; |
jjg@1374 | 120 | } |
jjg@1374 | 121 | |
jjg@1374 | 122 | public boolean isNullOrReference() { |
vromero@1853 | 123 | return false; |
jjg@1374 | 124 | } |
jjg@1374 | 125 | |
jjg@1374 | 126 | public boolean isPartial() { |
vromero@1853 | 127 | return false; |
jjg@1374 | 128 | } |
jjg@1374 | 129 | |
jjg@1374 | 130 | /** |
duke@1 | 131 | * The constant value of this type, null if this type does not |
duke@1 | 132 | * have a constant value attribute. Only primitive types and |
duke@1 | 133 | * strings (ClassType) can have a constant value attribute. |
duke@1 | 134 | * @return the constant value attribute of this type |
duke@1 | 135 | */ |
duke@1 | 136 | public Object constValue() { |
duke@1 | 137 | return null; |
duke@1 | 138 | } |
duke@1 | 139 | |
vromero@1853 | 140 | /** Is this a constant type whose value is false? |
vromero@1853 | 141 | */ |
vromero@1853 | 142 | public boolean isFalse() { |
vromero@1853 | 143 | return false; |
vromero@1853 | 144 | } |
vromero@1853 | 145 | |
vromero@1853 | 146 | /** Is this a constant type whose value is true? |
vromero@1853 | 147 | */ |
vromero@1853 | 148 | public boolean isTrue() { |
vromero@1853 | 149 | return false; |
vromero@1853 | 150 | } |
vromero@1853 | 151 | |
jjg@904 | 152 | /** |
jjg@904 | 153 | * Get the representation of this type used for modelling purposes. |
jjg@904 | 154 | * By default, this is itself. For ErrorType, a different value |
jjg@1521 | 155 | * may be provided. |
jjg@904 | 156 | */ |
jjg@904 | 157 | public Type getModelType() { |
jjg@904 | 158 | return this; |
jjg@904 | 159 | } |
jjg@904 | 160 | |
jjg@904 | 161 | public static List<Type> getModelTypes(List<Type> ts) { |
vromero@1853 | 162 | ListBuffer<Type> lb = new ListBuffer<>(); |
jjg@904 | 163 | for (Type t: ts) |
jjg@904 | 164 | lb.append(t.getModelType()); |
jjg@904 | 165 | return lb.toList(); |
jjg@904 | 166 | } |
jjg@904 | 167 | |
duke@1 | 168 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { return v.visitType(this, s); } |
duke@1 | 169 | |
duke@1 | 170 | /** Define a type given its tag and type symbol |
duke@1 | 171 | */ |
vromero@1853 | 172 | public Type(TypeSymbol tsym) { |
duke@1 | 173 | this.tsym = tsym; |
duke@1 | 174 | } |
duke@1 | 175 | |
duke@1 | 176 | /** An abstract class for mappings from types to types |
duke@1 | 177 | */ |
duke@1 | 178 | public static abstract class Mapping { |
duke@1 | 179 | private String name; |
duke@1 | 180 | public Mapping(String name) { |
duke@1 | 181 | this.name = name; |
duke@1 | 182 | } |
duke@1 | 183 | public abstract Type apply(Type t); |
duke@1 | 184 | public String toString() { |
duke@1 | 185 | return name; |
duke@1 | 186 | } |
duke@1 | 187 | } |
duke@1 | 188 | |
duke@1 | 189 | /** map a type function over all immediate descendants of this type |
duke@1 | 190 | */ |
duke@1 | 191 | public Type map(Mapping f) { |
duke@1 | 192 | return this; |
duke@1 | 193 | } |
duke@1 | 194 | |
duke@1 | 195 | /** map a type function over a list of types |
duke@1 | 196 | */ |
duke@1 | 197 | public static List<Type> map(List<Type> ts, Mapping f) { |
duke@1 | 198 | if (ts.nonEmpty()) { |
duke@1 | 199 | List<Type> tail1 = map(ts.tail, f); |
duke@1 | 200 | Type t = f.apply(ts.head); |
duke@1 | 201 | if (tail1 != ts.tail || t != ts.head) |
duke@1 | 202 | return tail1.prepend(t); |
duke@1 | 203 | } |
duke@1 | 204 | return ts; |
duke@1 | 205 | } |
duke@1 | 206 | |
duke@1 | 207 | /** Define a constant type, of the same kind as this type |
duke@1 | 208 | * and with given constant value |
duke@1 | 209 | */ |
duke@1 | 210 | public Type constType(Object constValue) { |
vromero@1853 | 211 | throw new AssertionError(); |
duke@1 | 212 | } |
duke@1 | 213 | |
duke@1 | 214 | /** |
duke@1 | 215 | * If this is a constant type, return its underlying type. |
duke@1 | 216 | * Otherwise, return the type itself. |
duke@1 | 217 | */ |
duke@1 | 218 | public Type baseType() { |
duke@1 | 219 | return this; |
duke@1 | 220 | } |
duke@1 | 221 | |
jjg@1644 | 222 | public boolean isAnnotated() { |
jjg@1644 | 223 | return false; |
jjg@1644 | 224 | } |
jjg@1644 | 225 | |
jjg@1521 | 226 | /** |
jjg@1521 | 227 | * If this is an annotated type, return the underlying type. |
jjg@1521 | 228 | * Otherwise, return the type itself. |
jjg@1521 | 229 | */ |
jjg@1521 | 230 | public Type unannotatedType() { |
jjg@1521 | 231 | return this; |
jjg@1521 | 232 | } |
jjg@1521 | 233 | |
jjg@1645 | 234 | @Override |
alundblad@2100 | 235 | public List<Attribute.TypeCompound> getAnnotationMirrors() { |
jjg@1645 | 236 | return List.nil(); |
jjg@1645 | 237 | } |
jjg@1645 | 238 | |
alundblad@2100 | 239 | |
jjg@1645 | 240 | @Override |
jjg@1645 | 241 | public <A extends Annotation> A getAnnotation(Class<A> annotationType) { |
jjg@1645 | 242 | return null; |
jjg@1645 | 243 | } |
jjg@1645 | 244 | |
alundblad@2100 | 245 | |
jjg@1645 | 246 | @Override |
jjg@1645 | 247 | public <A extends Annotation> A[] getAnnotationsByType(Class<A> annotationType) { |
jjg@1645 | 248 | @SuppressWarnings("unchecked") |
jjg@1645 | 249 | A[] tmp = (A[]) java.lang.reflect.Array.newInstance(annotationType, 0); |
jjg@1645 | 250 | return tmp; |
jjg@1645 | 251 | } |
jjg@1645 | 252 | |
duke@1 | 253 | /** Return the base types of a list of types. |
duke@1 | 254 | */ |
duke@1 | 255 | public static List<Type> baseTypes(List<Type> ts) { |
duke@1 | 256 | if (ts.nonEmpty()) { |
duke@1 | 257 | Type t = ts.head.baseType(); |
duke@1 | 258 | List<Type> baseTypes = baseTypes(ts.tail); |
duke@1 | 259 | if (t != ts.head || baseTypes != ts.tail) |
duke@1 | 260 | return baseTypes.prepend(t); |
duke@1 | 261 | } |
duke@1 | 262 | return ts; |
duke@1 | 263 | } |
duke@1 | 264 | |
duke@1 | 265 | /** The Java source which this type represents. |
duke@1 | 266 | */ |
duke@1 | 267 | public String toString() { |
duke@1 | 268 | String s = (tsym == null || tsym.name == null) |
duke@1 | 269 | ? "<none>" |
duke@1 | 270 | : tsym.name.toString(); |
vromero@1853 | 271 | if (moreInfo && hasTag(TYPEVAR)) { |
vromero@1853 | 272 | s = s + hashCode(); |
vromero@1853 | 273 | } |
duke@1 | 274 | return s; |
duke@1 | 275 | } |
duke@1 | 276 | |
duke@1 | 277 | /** |
duke@1 | 278 | * The Java source which this type list represents. A List is |
duke@1 | 279 | * represented as a comma-spearated listing of the elements in |
duke@1 | 280 | * that list. |
duke@1 | 281 | */ |
duke@1 | 282 | public static String toString(List<Type> ts) { |
duke@1 | 283 | if (ts.isEmpty()) { |
duke@1 | 284 | return ""; |
duke@1 | 285 | } else { |
jjg@904 | 286 | StringBuilder buf = new StringBuilder(); |
duke@1 | 287 | buf.append(ts.head.toString()); |
duke@1 | 288 | for (List<Type> l = ts.tail; l.nonEmpty(); l = l.tail) |
duke@1 | 289 | buf.append(",").append(l.head.toString()); |
duke@1 | 290 | return buf.toString(); |
duke@1 | 291 | } |
duke@1 | 292 | } |
duke@1 | 293 | |
duke@1 | 294 | /** |
duke@1 | 295 | * The constant value of this type, converted to String |
duke@1 | 296 | */ |
duke@1 | 297 | public String stringValue() { |
jjg@816 | 298 | Object cv = Assert.checkNonNull(constValue()); |
vromero@1853 | 299 | return cv.toString(); |
duke@1 | 300 | } |
duke@1 | 301 | |
duke@1 | 302 | /** |
duke@1 | 303 | * This method is analogous to isSameType, but weaker, since we |
duke@1 | 304 | * never complete classes. Where isSameType would complete a |
duke@1 | 305 | * class, equals assumes that the two types are different. |
duke@1 | 306 | */ |
vromero@1452 | 307 | @Override |
duke@1 | 308 | public boolean equals(Object t) { |
duke@1 | 309 | return super.equals(t); |
duke@1 | 310 | } |
duke@1 | 311 | |
vromero@1452 | 312 | @Override |
duke@1 | 313 | public int hashCode() { |
duke@1 | 314 | return super.hashCode(); |
duke@1 | 315 | } |
duke@1 | 316 | |
duke@1 | 317 | public String argtypes(boolean varargs) { |
duke@1 | 318 | List<Type> args = getParameterTypes(); |
duke@1 | 319 | if (!varargs) return args.toString(); |
jjg@789 | 320 | StringBuilder buf = new StringBuilder(); |
duke@1 | 321 | while (args.tail.nonEmpty()) { |
duke@1 | 322 | buf.append(args.head); |
duke@1 | 323 | args = args.tail; |
duke@1 | 324 | buf.append(','); |
duke@1 | 325 | } |
vromero@1853 | 326 | if (args.head.unannotatedType().hasTag(ARRAY)) { |
jjg@1521 | 327 | buf.append(((ArrayType)args.head.unannotatedType()).elemtype); |
jjg@1645 | 328 | if (args.head.getAnnotationMirrors().nonEmpty()) { |
jjg@1645 | 329 | buf.append(args.head.getAnnotationMirrors()); |
jjg@1521 | 330 | } |
duke@1 | 331 | buf.append("..."); |
duke@1 | 332 | } else { |
duke@1 | 333 | buf.append(args.head); |
duke@1 | 334 | } |
duke@1 | 335 | return buf.toString(); |
duke@1 | 336 | } |
duke@1 | 337 | |
duke@1 | 338 | /** Access methods. |
duke@1 | 339 | */ |
duke@1 | 340 | public List<Type> getTypeArguments() { return List.nil(); } |
jjg@1521 | 341 | public Type getEnclosingType() { return null; } |
duke@1 | 342 | public List<Type> getParameterTypes() { return List.nil(); } |
duke@1 | 343 | public Type getReturnType() { return null; } |
jjg@1521 | 344 | public Type getReceiverType() { return null; } |
duke@1 | 345 | public List<Type> getThrownTypes() { return List.nil(); } |
duke@1 | 346 | public Type getUpperBound() { return null; } |
duke@1 | 347 | public Type getLowerBound() { return null; } |
duke@1 | 348 | |
duke@1 | 349 | /** Navigation methods, these will work for classes, type variables, |
duke@1 | 350 | * foralls, but will return null for arrays and methods. |
duke@1 | 351 | */ |
duke@1 | 352 | |
duke@1 | 353 | /** Return all parameters of this type and all its outer types in order |
duke@1 | 354 | * outer (first) to inner (last). |
duke@1 | 355 | */ |
duke@1 | 356 | public List<Type> allparams() { return List.nil(); } |
duke@1 | 357 | |
duke@1 | 358 | /** Does this type contain "error" elements? |
duke@1 | 359 | */ |
duke@1 | 360 | public boolean isErroneous() { |
duke@1 | 361 | return false; |
duke@1 | 362 | } |
duke@1 | 363 | |
duke@1 | 364 | public static boolean isErroneous(List<Type> ts) { |
duke@1 | 365 | for (List<Type> l = ts; l.nonEmpty(); l = l.tail) |
duke@1 | 366 | if (l.head.isErroneous()) return true; |
duke@1 | 367 | return false; |
duke@1 | 368 | } |
duke@1 | 369 | |
duke@1 | 370 | /** Is this type parameterized? |
duke@1 | 371 | * A class type is parameterized if it has some parameters. |
duke@1 | 372 | * An array type is parameterized if its element type is parameterized. |
duke@1 | 373 | * All other types are not parameterized. |
duke@1 | 374 | */ |
duke@1 | 375 | public boolean isParameterized() { |
duke@1 | 376 | return false; |
duke@1 | 377 | } |
duke@1 | 378 | |
duke@1 | 379 | /** Is this type a raw type? |
duke@1 | 380 | * A class type is a raw type if it misses some of its parameters. |
duke@1 | 381 | * An array type is a raw type if its element type is raw. |
duke@1 | 382 | * All other types are not raw. |
duke@1 | 383 | * Type validation will ensure that the only raw types |
duke@1 | 384 | * in a program are types that miss all their type variables. |
duke@1 | 385 | */ |
duke@1 | 386 | public boolean isRaw() { |
duke@1 | 387 | return false; |
duke@1 | 388 | } |
duke@1 | 389 | |
duke@1 | 390 | public boolean isCompound() { |
duke@1 | 391 | return tsym.completer == null |
duke@1 | 392 | // Compound types can't have a completer. Calling |
duke@1 | 393 | // flags() will complete the symbol causing the |
duke@1 | 394 | // compiler to load classes unnecessarily. This led |
duke@1 | 395 | // to regression 6180021. |
duke@1 | 396 | && (tsym.flags() & COMPOUND) != 0; |
duke@1 | 397 | } |
duke@1 | 398 | |
duke@1 | 399 | public boolean isInterface() { |
duke@1 | 400 | return (tsym.flags() & INTERFACE) != 0; |
duke@1 | 401 | } |
duke@1 | 402 | |
mcimadamore@640 | 403 | public boolean isFinal() { |
mcimadamore@640 | 404 | return (tsym.flags() & FINAL) != 0; |
mcimadamore@640 | 405 | } |
mcimadamore@640 | 406 | |
duke@1 | 407 | /** |
duke@1 | 408 | * Does this type contain occurrences of type t? |
duke@1 | 409 | */ |
duke@1 | 410 | public boolean contains(Type t) { |
duke@1 | 411 | return t == this; |
duke@1 | 412 | } |
duke@1 | 413 | |
duke@1 | 414 | public static boolean contains(List<Type> ts, Type t) { |
duke@1 | 415 | for (List<Type> l = ts; |
duke@1 | 416 | l.tail != null /*inlined: l.nonEmpty()*/; |
duke@1 | 417 | l = l.tail) |
duke@1 | 418 | if (l.head.contains(t)) return true; |
duke@1 | 419 | return false; |
duke@1 | 420 | } |
duke@1 | 421 | |
mcimadamore@635 | 422 | /** Does this type contain an occurrence of some type in 'ts'? |
duke@1 | 423 | */ |
mcimadamore@635 | 424 | public boolean containsAny(List<Type> ts) { |
mcimadamore@635 | 425 | for (Type t : ts) |
mcimadamore@635 | 426 | if (this.contains(t)) return true; |
mcimadamore@635 | 427 | return false; |
mcimadamore@635 | 428 | } |
mcimadamore@635 | 429 | |
mcimadamore@635 | 430 | public static boolean containsAny(List<Type> ts1, List<Type> ts2) { |
mcimadamore@635 | 431 | for (Type t : ts1) |
mcimadamore@635 | 432 | if (t.containsAny(ts2)) return true; |
duke@1 | 433 | return false; |
duke@1 | 434 | } |
duke@1 | 435 | |
mcimadamore@828 | 436 | public static List<Type> filter(List<Type> ts, Filter<Type> tf) { |
alundblad@2047 | 437 | ListBuffer<Type> buf = new ListBuffer<>(); |
mcimadamore@828 | 438 | for (Type t : ts) { |
mcimadamore@828 | 439 | if (tf.accepts(t)) { |
mcimadamore@828 | 440 | buf.append(t); |
mcimadamore@828 | 441 | } |
mcimadamore@828 | 442 | } |
mcimadamore@828 | 443 | return buf.toList(); |
mcimadamore@828 | 444 | } |
mcimadamore@828 | 445 | |
duke@1 | 446 | public boolean isSuperBound() { return false; } |
duke@1 | 447 | public boolean isExtendsBound() { return false; } |
duke@1 | 448 | public boolean isUnbound() { return false; } |
duke@1 | 449 | public Type withTypeVar(Type t) { return this; } |
duke@1 | 450 | |
duke@1 | 451 | /** The underlying method type of this type. |
duke@1 | 452 | */ |
duke@1 | 453 | public MethodType asMethodType() { throw new AssertionError(); } |
duke@1 | 454 | |
duke@1 | 455 | /** Complete loading all classes in this type. |
duke@1 | 456 | */ |
duke@1 | 457 | public void complete() {} |
duke@1 | 458 | |
duke@1 | 459 | public TypeSymbol asElement() { |
duke@1 | 460 | return tsym; |
duke@1 | 461 | } |
duke@1 | 462 | |
vromero@1853 | 463 | @Override |
duke@1 | 464 | public TypeKind getKind() { |
vromero@1853 | 465 | return TypeKind.OTHER; |
duke@1 | 466 | } |
duke@1 | 467 | |
vromero@1853 | 468 | @Override |
duke@1 | 469 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
vromero@1853 | 470 | throw new AssertionError(); |
vromero@1853 | 471 | } |
vromero@1853 | 472 | |
vromero@1853 | 473 | public static class JCPrimitiveType extends Type |
vromero@1853 | 474 | implements javax.lang.model.type.PrimitiveType { |
vromero@1853 | 475 | |
vromero@1853 | 476 | TypeTag tag; |
vromero@1853 | 477 | |
vromero@1853 | 478 | public JCPrimitiveType(TypeTag tag, TypeSymbol tsym) { |
vromero@1853 | 479 | super(tsym); |
vromero@1853 | 480 | this.tag = tag; |
vromero@1853 | 481 | Assert.check(tag.isPrimitive); |
vromero@1853 | 482 | } |
vromero@1853 | 483 | |
vromero@1853 | 484 | @Override |
vromero@1853 | 485 | public boolean isNumeric() { |
vromero@1853 | 486 | return tag != BOOLEAN; |
vromero@1853 | 487 | } |
vromero@1853 | 488 | |
vromero@1853 | 489 | @Override |
vromero@1853 | 490 | public boolean isPrimitive() { |
vromero@1853 | 491 | return true; |
vromero@1853 | 492 | } |
vromero@1853 | 493 | |
vromero@1853 | 494 | @Override |
vromero@1853 | 495 | public TypeTag getTag() { |
vromero@1853 | 496 | return tag; |
vromero@1853 | 497 | } |
vromero@1853 | 498 | |
vromero@1853 | 499 | @Override |
vromero@1853 | 500 | public boolean isPrimitiveOrVoid() { |
vromero@1853 | 501 | return true; |
vromero@1853 | 502 | } |
vromero@1853 | 503 | |
vromero@1853 | 504 | /** Define a constant type, of the same kind as this type |
vromero@1853 | 505 | * and with given constant value |
vromero@1853 | 506 | */ |
vromero@1853 | 507 | @Override |
vromero@1853 | 508 | public Type constType(Object constValue) { |
vromero@1853 | 509 | final Object value = constValue; |
vromero@1853 | 510 | return new JCPrimitiveType(tag, tsym) { |
vromero@1853 | 511 | @Override |
vromero@1853 | 512 | public Object constValue() { |
vromero@1853 | 513 | return value; |
vromero@1853 | 514 | } |
vromero@1853 | 515 | @Override |
vromero@1853 | 516 | public Type baseType() { |
vromero@1853 | 517 | return tsym.type; |
vromero@1853 | 518 | } |
vromero@1853 | 519 | }; |
vromero@1853 | 520 | } |
vromero@1853 | 521 | |
vromero@1853 | 522 | /** |
vromero@1853 | 523 | * The constant value of this type, converted to String |
vromero@1853 | 524 | */ |
vromero@1853 | 525 | @Override |
vromero@1853 | 526 | public String stringValue() { |
vromero@1853 | 527 | Object cv = Assert.checkNonNull(constValue()); |
vromero@1853 | 528 | if (tag == BOOLEAN) { |
vromero@1853 | 529 | return ((Integer) cv).intValue() == 0 ? "false" : "true"; |
vromero@1853 | 530 | } |
vromero@1853 | 531 | else if (tag == CHAR) { |
vromero@1853 | 532 | return String.valueOf((char) ((Integer) cv).intValue()); |
vromero@1853 | 533 | } |
vromero@1853 | 534 | else { |
vromero@1853 | 535 | return cv.toString(); |
vromero@1853 | 536 | } |
vromero@1853 | 537 | } |
vromero@1853 | 538 | |
vromero@1853 | 539 | /** Is this a constant type whose value is false? |
vromero@1853 | 540 | */ |
vromero@1853 | 541 | @Override |
vromero@1853 | 542 | public boolean isFalse() { |
vromero@1853 | 543 | return |
vromero@1853 | 544 | tag == BOOLEAN && |
vromero@1853 | 545 | constValue() != null && |
vromero@1853 | 546 | ((Integer)constValue()).intValue() == 0; |
vromero@1853 | 547 | } |
vromero@1853 | 548 | |
vromero@1853 | 549 | /** Is this a constant type whose value is true? |
vromero@1853 | 550 | */ |
vromero@1853 | 551 | @Override |
vromero@1853 | 552 | public boolean isTrue() { |
vromero@1853 | 553 | return |
vromero@1853 | 554 | tag == BOOLEAN && |
vromero@1853 | 555 | constValue() != null && |
vromero@1853 | 556 | ((Integer)constValue()).intValue() != 0; |
vromero@1853 | 557 | } |
vromero@1853 | 558 | |
vromero@1853 | 559 | @Override |
vromero@1853 | 560 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
duke@1 | 561 | return v.visitPrimitive(this, p); |
vromero@1853 | 562 | } |
vromero@1853 | 563 | |
vromero@1853 | 564 | @Override |
vromero@1853 | 565 | public TypeKind getKind() { |
vromero@1853 | 566 | switch (tag) { |
vromero@1853 | 567 | case BYTE: return TypeKind.BYTE; |
vromero@1853 | 568 | case CHAR: return TypeKind.CHAR; |
vromero@1853 | 569 | case SHORT: return TypeKind.SHORT; |
vromero@1853 | 570 | case INT: return TypeKind.INT; |
vromero@1853 | 571 | case LONG: return TypeKind.LONG; |
vromero@1853 | 572 | case FLOAT: return TypeKind.FLOAT; |
vromero@1853 | 573 | case DOUBLE: return TypeKind.DOUBLE; |
vromero@1853 | 574 | case BOOLEAN: return TypeKind.BOOLEAN; |
vromero@1853 | 575 | } |
duke@1 | 576 | throw new AssertionError(); |
vromero@1853 | 577 | } |
vromero@1853 | 578 | |
duke@1 | 579 | } |
duke@1 | 580 | |
duke@1 | 581 | public static class WildcardType extends Type |
duke@1 | 582 | implements javax.lang.model.type.WildcardType { |
duke@1 | 583 | |
duke@1 | 584 | public Type type; |
duke@1 | 585 | public BoundKind kind; |
duke@1 | 586 | public TypeVar bound; |
duke@1 | 587 | |
duke@1 | 588 | @Override |
duke@1 | 589 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { |
duke@1 | 590 | return v.visitWildcardType(this, s); |
duke@1 | 591 | } |
duke@1 | 592 | |
duke@1 | 593 | public WildcardType(Type type, BoundKind kind, TypeSymbol tsym) { |
vromero@1853 | 594 | super(tsym); |
jjg@816 | 595 | this.type = Assert.checkNonNull(type); |
duke@1 | 596 | this.kind = kind; |
duke@1 | 597 | } |
duke@1 | 598 | public WildcardType(WildcardType t, TypeVar bound) { |
duke@1 | 599 | this(t.type, t.kind, t.tsym, bound); |
duke@1 | 600 | } |
duke@1 | 601 | |
duke@1 | 602 | public WildcardType(Type type, BoundKind kind, TypeSymbol tsym, TypeVar bound) { |
duke@1 | 603 | this(type, kind, tsym); |
duke@1 | 604 | this.bound = bound; |
duke@1 | 605 | } |
duke@1 | 606 | |
vromero@1853 | 607 | @Override |
vromero@1853 | 608 | public TypeTag getTag() { |
vromero@1853 | 609 | return WILDCARD; |
vromero@1853 | 610 | } |
vromero@1853 | 611 | |
vromero@1853 | 612 | @Override |
mcimadamore@635 | 613 | public boolean contains(Type t) { |
mcimadamore@635 | 614 | return kind != UNBOUND && type.contains(t); |
mcimadamore@635 | 615 | } |
mcimadamore@635 | 616 | |
duke@1 | 617 | public boolean isSuperBound() { |
duke@1 | 618 | return kind == SUPER || |
duke@1 | 619 | kind == UNBOUND; |
duke@1 | 620 | } |
duke@1 | 621 | public boolean isExtendsBound() { |
duke@1 | 622 | return kind == EXTENDS || |
duke@1 | 623 | kind == UNBOUND; |
duke@1 | 624 | } |
duke@1 | 625 | public boolean isUnbound() { |
duke@1 | 626 | return kind == UNBOUND; |
duke@1 | 627 | } |
duke@1 | 628 | |
vromero@1853 | 629 | @Override |
vromero@1853 | 630 | public boolean isReference() { |
vromero@1853 | 631 | return true; |
vromero@1853 | 632 | } |
vromero@1853 | 633 | |
vromero@1853 | 634 | @Override |
vromero@1853 | 635 | public boolean isNullOrReference() { |
vromero@1853 | 636 | return true; |
vromero@1853 | 637 | } |
vromero@1853 | 638 | |
vromero@1853 | 639 | @Override |
duke@1 | 640 | public Type withTypeVar(Type t) { |
duke@1 | 641 | //-System.err.println(this+".withTypeVar("+t+");");//DEBUG |
duke@1 | 642 | if (bound == t) |
duke@1 | 643 | return this; |
duke@1 | 644 | bound = (TypeVar)t; |
duke@1 | 645 | return this; |
duke@1 | 646 | } |
duke@1 | 647 | |
duke@1 | 648 | boolean isPrintingBound = false; |
duke@1 | 649 | public String toString() { |
jjg@904 | 650 | StringBuilder s = new StringBuilder(); |
duke@1 | 651 | s.append(kind.toString()); |
duke@1 | 652 | if (kind != UNBOUND) |
duke@1 | 653 | s.append(type); |
duke@1 | 654 | if (moreInfo && bound != null && !isPrintingBound) |
duke@1 | 655 | try { |
duke@1 | 656 | isPrintingBound = true; |
duke@1 | 657 | s.append("{:").append(bound.bound).append(":}"); |
duke@1 | 658 | } finally { |
duke@1 | 659 | isPrintingBound = false; |
duke@1 | 660 | } |
duke@1 | 661 | return s.toString(); |
duke@1 | 662 | } |
duke@1 | 663 | |
duke@1 | 664 | public Type map(Mapping f) { |
duke@1 | 665 | //- System.err.println(" (" + this + ").map(" + f + ")");//DEBUG |
duke@1 | 666 | Type t = type; |
duke@1 | 667 | if (t != null) |
duke@1 | 668 | t = f.apply(t); |
duke@1 | 669 | if (t == type) |
duke@1 | 670 | return this; |
duke@1 | 671 | else |
duke@1 | 672 | return new WildcardType(t, kind, tsym, bound); |
duke@1 | 673 | } |
duke@1 | 674 | |
duke@1 | 675 | public Type getExtendsBound() { |
duke@1 | 676 | if (kind == EXTENDS) |
duke@1 | 677 | return type; |
duke@1 | 678 | else |
duke@1 | 679 | return null; |
duke@1 | 680 | } |
duke@1 | 681 | |
duke@1 | 682 | public Type getSuperBound() { |
duke@1 | 683 | if (kind == SUPER) |
duke@1 | 684 | return type; |
duke@1 | 685 | else |
duke@1 | 686 | return null; |
duke@1 | 687 | } |
duke@1 | 688 | |
duke@1 | 689 | public TypeKind getKind() { |
duke@1 | 690 | return TypeKind.WILDCARD; |
duke@1 | 691 | } |
duke@1 | 692 | |
duke@1 | 693 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
duke@1 | 694 | return v.visitWildcard(this, p); |
duke@1 | 695 | } |
duke@1 | 696 | } |
duke@1 | 697 | |
duke@1 | 698 | public static class ClassType extends Type implements DeclaredType { |
duke@1 | 699 | |
duke@1 | 700 | /** The enclosing type of this type. If this is the type of an inner |
duke@1 | 701 | * class, outer_field refers to the type of its enclosing |
jjg@1521 | 702 | * instance class, in all other cases it refers to noType. |
duke@1 | 703 | */ |
duke@1 | 704 | private Type outer_field; |
duke@1 | 705 | |
duke@1 | 706 | /** The type parameters of this type (to be set once class is loaded). |
duke@1 | 707 | */ |
duke@1 | 708 | public List<Type> typarams_field; |
duke@1 | 709 | |
duke@1 | 710 | /** A cache variable for the type parameters of this type, |
duke@1 | 711 | * appended to all parameters of its enclosing class. |
duke@1 | 712 | * @see #allparams |
duke@1 | 713 | */ |
duke@1 | 714 | public List<Type> allparams_field; |
duke@1 | 715 | |
duke@1 | 716 | /** The supertype of this class (to be set once class is loaded). |
duke@1 | 717 | */ |
duke@1 | 718 | public Type supertype_field; |
duke@1 | 719 | |
duke@1 | 720 | /** The interfaces of this class (to be set once class is loaded). |
duke@1 | 721 | */ |
duke@1 | 722 | public List<Type> interfaces_field; |
duke@1 | 723 | |
jjg@904 | 724 | /** All the interfaces of this class, including missing ones. |
jjg@904 | 725 | */ |
jjg@904 | 726 | public List<Type> all_interfaces_field; |
jjg@904 | 727 | |
duke@1 | 728 | public ClassType(Type outer, List<Type> typarams, TypeSymbol tsym) { |
vromero@1853 | 729 | super(tsym); |
duke@1 | 730 | this.outer_field = outer; |
duke@1 | 731 | this.typarams_field = typarams; |
duke@1 | 732 | this.allparams_field = null; |
duke@1 | 733 | this.supertype_field = null; |
duke@1 | 734 | this.interfaces_field = null; |
duke@1 | 735 | /* |
duke@1 | 736 | // this can happen during error recovery |
duke@1 | 737 | assert |
duke@1 | 738 | outer.isParameterized() ? |
duke@1 | 739 | typarams.length() == tsym.type.typarams().length() : |
duke@1 | 740 | outer.isRaw() ? |
duke@1 | 741 | typarams.length() == 0 : |
duke@1 | 742 | true; |
duke@1 | 743 | */ |
duke@1 | 744 | } |
duke@1 | 745 | |
duke@1 | 746 | @Override |
vromero@1853 | 747 | public TypeTag getTag() { |
vromero@1853 | 748 | return CLASS; |
vromero@1853 | 749 | } |
vromero@1853 | 750 | |
vromero@1853 | 751 | @Override |
duke@1 | 752 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { |
duke@1 | 753 | return v.visitClassType(this, s); |
duke@1 | 754 | } |
duke@1 | 755 | |
duke@1 | 756 | public Type constType(Object constValue) { |
duke@1 | 757 | final Object value = constValue; |
duke@1 | 758 | return new ClassType(getEnclosingType(), typarams_field, tsym) { |
duke@1 | 759 | @Override |
duke@1 | 760 | public Object constValue() { |
duke@1 | 761 | return value; |
duke@1 | 762 | } |
duke@1 | 763 | @Override |
duke@1 | 764 | public Type baseType() { |
duke@1 | 765 | return tsym.type; |
duke@1 | 766 | } |
duke@1 | 767 | }; |
duke@1 | 768 | } |
duke@1 | 769 | |
duke@1 | 770 | /** The Java source which this type represents. |
duke@1 | 771 | */ |
duke@1 | 772 | public String toString() { |
jjg@904 | 773 | StringBuilder buf = new StringBuilder(); |
vromero@1853 | 774 | if (getEnclosingType().hasTag(CLASS) && tsym.owner.kind == TYP) { |
duke@1 | 775 | buf.append(getEnclosingType().toString()); |
duke@1 | 776 | buf.append("."); |
duke@1 | 777 | buf.append(className(tsym, false)); |
duke@1 | 778 | } else { |
duke@1 | 779 | buf.append(className(tsym, true)); |
duke@1 | 780 | } |
duke@1 | 781 | if (getTypeArguments().nonEmpty()) { |
duke@1 | 782 | buf.append('<'); |
duke@1 | 783 | buf.append(getTypeArguments().toString()); |
duke@1 | 784 | buf.append(">"); |
duke@1 | 785 | } |
duke@1 | 786 | return buf.toString(); |
duke@1 | 787 | } |
duke@1 | 788 | //where |
duke@1 | 789 | private String className(Symbol sym, boolean longform) { |
jjg@113 | 790 | if (sym.name.isEmpty() && (sym.flags() & COMPOUND) != 0) { |
jjg@904 | 791 | StringBuilder s = new StringBuilder(supertype_field.toString()); |
duke@1 | 792 | for (List<Type> is=interfaces_field; is.nonEmpty(); is = is.tail) { |
duke@1 | 793 | s.append("&"); |
duke@1 | 794 | s.append(is.head.toString()); |
duke@1 | 795 | } |
duke@1 | 796 | return s.toString(); |
jjg@113 | 797 | } else if (sym.name.isEmpty()) { |
duke@1 | 798 | String s; |
jjg@1755 | 799 | ClassType norm = (ClassType) tsym.type.unannotatedType(); |
duke@1 | 800 | if (norm == null) { |
duke@1 | 801 | s = Log.getLocalizedString("anonymous.class", (Object)null); |
duke@1 | 802 | } else if (norm.interfaces_field != null && norm.interfaces_field.nonEmpty()) { |
duke@1 | 803 | s = Log.getLocalizedString("anonymous.class", |
duke@1 | 804 | norm.interfaces_field.head); |
duke@1 | 805 | } else { |
duke@1 | 806 | s = Log.getLocalizedString("anonymous.class", |
duke@1 | 807 | norm.supertype_field); |
duke@1 | 808 | } |
duke@1 | 809 | if (moreInfo) |
duke@1 | 810 | s += String.valueOf(sym.hashCode()); |
duke@1 | 811 | return s; |
duke@1 | 812 | } else if (longform) { |
duke@1 | 813 | return sym.getQualifiedName().toString(); |
duke@1 | 814 | } else { |
duke@1 | 815 | return sym.name.toString(); |
duke@1 | 816 | } |
duke@1 | 817 | } |
duke@1 | 818 | |
duke@1 | 819 | public List<Type> getTypeArguments() { |
duke@1 | 820 | if (typarams_field == null) { |
duke@1 | 821 | complete(); |
duke@1 | 822 | if (typarams_field == null) |
duke@1 | 823 | typarams_field = List.nil(); |
duke@1 | 824 | } |
duke@1 | 825 | return typarams_field; |
duke@1 | 826 | } |
duke@1 | 827 | |
mcimadamore@30 | 828 | public boolean hasErasedSupertypes() { |
mcimadamore@30 | 829 | return isRaw(); |
mcimadamore@30 | 830 | } |
mcimadamore@30 | 831 | |
duke@1 | 832 | public Type getEnclosingType() { |
duke@1 | 833 | return outer_field; |
duke@1 | 834 | } |
duke@1 | 835 | |
duke@1 | 836 | public void setEnclosingType(Type outer) { |
duke@1 | 837 | outer_field = outer; |
duke@1 | 838 | } |
duke@1 | 839 | |
duke@1 | 840 | public List<Type> allparams() { |
duke@1 | 841 | if (allparams_field == null) { |
duke@1 | 842 | allparams_field = getTypeArguments().prependList(getEnclosingType().allparams()); |
duke@1 | 843 | } |
duke@1 | 844 | return allparams_field; |
duke@1 | 845 | } |
duke@1 | 846 | |
duke@1 | 847 | public boolean isErroneous() { |
duke@1 | 848 | return |
duke@1 | 849 | getEnclosingType().isErroneous() || |
duke@1 | 850 | isErroneous(getTypeArguments()) || |
jjg@1755 | 851 | this != tsym.type.unannotatedType() && tsym.type.isErroneous(); |
duke@1 | 852 | } |
duke@1 | 853 | |
duke@1 | 854 | public boolean isParameterized() { |
duke@1 | 855 | return allparams().tail != null; |
duke@1 | 856 | // optimization, was: allparams().nonEmpty(); |
duke@1 | 857 | } |
duke@1 | 858 | |
vromero@1853 | 859 | @Override |
vromero@1853 | 860 | public boolean isReference() { |
vromero@1853 | 861 | return true; |
vromero@1853 | 862 | } |
vromero@1853 | 863 | |
vromero@1853 | 864 | @Override |
vromero@1853 | 865 | public boolean isNullOrReference() { |
vromero@1853 | 866 | return true; |
vromero@1853 | 867 | } |
vromero@1853 | 868 | |
duke@1 | 869 | /** A cache for the rank. */ |
duke@1 | 870 | int rank_field = -1; |
duke@1 | 871 | |
duke@1 | 872 | /** A class type is raw if it misses some |
duke@1 | 873 | * of its type parameter sections. |
duke@1 | 874 | * After validation, this is equivalent to: |
jjg@1326 | 875 | * {@code allparams.isEmpty() && tsym.type.allparams.nonEmpty(); } |
duke@1 | 876 | */ |
duke@1 | 877 | public boolean isRaw() { |
duke@1 | 878 | return |
duke@1 | 879 | this != tsym.type && // necessary, but not sufficient condition |
duke@1 | 880 | tsym.type.allparams().nonEmpty() && |
duke@1 | 881 | allparams().isEmpty(); |
duke@1 | 882 | } |
duke@1 | 883 | |
duke@1 | 884 | public Type map(Mapping f) { |
duke@1 | 885 | Type outer = getEnclosingType(); |
duke@1 | 886 | Type outer1 = f.apply(outer); |
duke@1 | 887 | List<Type> typarams = getTypeArguments(); |
duke@1 | 888 | List<Type> typarams1 = map(typarams, f); |
duke@1 | 889 | if (outer1 == outer && typarams1 == typarams) return this; |
duke@1 | 890 | else return new ClassType(outer1, typarams1, tsym); |
duke@1 | 891 | } |
duke@1 | 892 | |
duke@1 | 893 | public boolean contains(Type elem) { |
duke@1 | 894 | return |
duke@1 | 895 | elem == this |
duke@1 | 896 | || (isParameterized() |
mcimadamore@635 | 897 | && (getEnclosingType().contains(elem) || contains(getTypeArguments(), elem))) |
mcimadamore@635 | 898 | || (isCompound() |
mcimadamore@635 | 899 | && (supertype_field.contains(elem) || contains(interfaces_field, elem))); |
duke@1 | 900 | } |
duke@1 | 901 | |
duke@1 | 902 | public void complete() { |
duke@1 | 903 | if (tsym.completer != null) tsym.complete(); |
duke@1 | 904 | } |
duke@1 | 905 | |
duke@1 | 906 | public TypeKind getKind() { |
duke@1 | 907 | return TypeKind.DECLARED; |
duke@1 | 908 | } |
duke@1 | 909 | |
duke@1 | 910 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
duke@1 | 911 | return v.visitDeclared(this, p); |
duke@1 | 912 | } |
duke@1 | 913 | } |
duke@1 | 914 | |
mcimadamore@30 | 915 | public static class ErasedClassType extends ClassType { |
mcimadamore@30 | 916 | public ErasedClassType(Type outer, TypeSymbol tsym) { |
mcimadamore@30 | 917 | super(outer, List.<Type>nil(), tsym); |
mcimadamore@30 | 918 | } |
mcimadamore@30 | 919 | |
mcimadamore@30 | 920 | @Override |
mcimadamore@30 | 921 | public boolean hasErasedSupertypes() { |
mcimadamore@30 | 922 | return true; |
mcimadamore@30 | 923 | } |
mcimadamore@30 | 924 | } |
mcimadamore@30 | 925 | |
jjg@988 | 926 | // a clone of a ClassType that knows about the alternatives of a union type. |
jjg@988 | 927 | public static class UnionClassType extends ClassType implements UnionType { |
jjg@988 | 928 | final List<? extends Type> alternatives_field; |
jjg@988 | 929 | |
jjg@988 | 930 | public UnionClassType(ClassType ct, List<? extends Type> alternatives) { |
jjg@988 | 931 | super(ct.outer_field, ct.typarams_field, ct.tsym); |
jjg@988 | 932 | allparams_field = ct.allparams_field; |
jjg@988 | 933 | supertype_field = ct.supertype_field; |
jjg@988 | 934 | interfaces_field = ct.interfaces_field; |
jjg@988 | 935 | all_interfaces_field = ct.interfaces_field; |
jjg@988 | 936 | alternatives_field = alternatives; |
jjg@988 | 937 | } |
jjg@988 | 938 | |
jjg@988 | 939 | public Type getLub() { |
jjg@988 | 940 | return tsym.type; |
jjg@988 | 941 | } |
jjg@988 | 942 | |
jjg@988 | 943 | public java.util.List<? extends TypeMirror> getAlternatives() { |
jjg@988 | 944 | return Collections.unmodifiableList(alternatives_field); |
jjg@988 | 945 | } |
jjg@988 | 946 | |
jjg@988 | 947 | @Override |
jjg@988 | 948 | public TypeKind getKind() { |
jjg@988 | 949 | return TypeKind.UNION; |
jjg@988 | 950 | } |
jjg@988 | 951 | |
jjg@988 | 952 | @Override |
jjg@988 | 953 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
jjg@988 | 954 | return v.visitUnion(this, p); |
jjg@988 | 955 | } |
jjg@988 | 956 | } |
jjg@988 | 957 | |
mcimadamore@1436 | 958 | // a clone of a ClassType that knows about the bounds of an intersection type. |
mcimadamore@1436 | 959 | public static class IntersectionClassType extends ClassType implements IntersectionType { |
mcimadamore@1436 | 960 | |
mcimadamore@1436 | 961 | public boolean allInterfaces; |
mcimadamore@1436 | 962 | |
mcimadamore@1436 | 963 | public enum IntersectionKind { |
mcimadamore@1436 | 964 | EXPLICIT, |
mcimadamore@1436 | 965 | IMPLICT; |
mcimadamore@1436 | 966 | } |
mcimadamore@1436 | 967 | |
mcimadamore@1436 | 968 | public IntersectionKind intersectionKind; |
mcimadamore@1436 | 969 | |
mcimadamore@1436 | 970 | public IntersectionClassType(List<Type> bounds, ClassSymbol csym, boolean allInterfaces) { |
mcimadamore@1436 | 971 | super(Type.noType, List.<Type>nil(), csym); |
mcimadamore@1436 | 972 | this.allInterfaces = allInterfaces; |
mcimadamore@1436 | 973 | Assert.check((csym.flags() & COMPOUND) != 0); |
mcimadamore@1436 | 974 | supertype_field = bounds.head; |
mcimadamore@1436 | 975 | interfaces_field = bounds.tail; |
mcimadamore@1436 | 976 | Assert.check(supertype_field.tsym.completer != null || |
mcimadamore@1436 | 977 | !supertype_field.isInterface(), supertype_field); |
mcimadamore@1436 | 978 | } |
mcimadamore@1436 | 979 | |
mcimadamore@1436 | 980 | public java.util.List<? extends TypeMirror> getBounds() { |
emc@2050 | 981 | return Collections.unmodifiableList(getExplicitComponents()); |
mcimadamore@1436 | 982 | } |
mcimadamore@1436 | 983 | |
mcimadamore@1436 | 984 | public List<Type> getComponents() { |
mcimadamore@1436 | 985 | return interfaces_field.prepend(supertype_field); |
mcimadamore@1436 | 986 | } |
mcimadamore@1436 | 987 | |
mcimadamore@1678 | 988 | public List<Type> getExplicitComponents() { |
mcimadamore@1678 | 989 | return allInterfaces ? |
mcimadamore@1678 | 990 | interfaces_field : |
mcimadamore@1678 | 991 | getComponents(); |
mcimadamore@1678 | 992 | } |
mcimadamore@1678 | 993 | |
mcimadamore@1436 | 994 | @Override |
mcimadamore@1436 | 995 | public TypeKind getKind() { |
mcimadamore@1436 | 996 | return TypeKind.INTERSECTION; |
mcimadamore@1436 | 997 | } |
mcimadamore@1436 | 998 | |
mcimadamore@1436 | 999 | @Override |
mcimadamore@1436 | 1000 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
mcimadamore@1436 | 1001 | return intersectionKind == IntersectionKind.EXPLICIT ? |
mcimadamore@1436 | 1002 | v.visitIntersection(this, p) : |
mcimadamore@1436 | 1003 | v.visitDeclared(this, p); |
mcimadamore@1436 | 1004 | } |
mcimadamore@1436 | 1005 | } |
mcimadamore@1436 | 1006 | |
duke@1 | 1007 | public static class ArrayType extends Type |
duke@1 | 1008 | implements javax.lang.model.type.ArrayType { |
duke@1 | 1009 | |
duke@1 | 1010 | public Type elemtype; |
duke@1 | 1011 | |
duke@1 | 1012 | public ArrayType(Type elemtype, TypeSymbol arrayClass) { |
vromero@1853 | 1013 | super(arrayClass); |
duke@1 | 1014 | this.elemtype = elemtype; |
duke@1 | 1015 | } |
duke@1 | 1016 | |
duke@1 | 1017 | @Override |
vromero@1853 | 1018 | public TypeTag getTag() { |
vromero@1853 | 1019 | return ARRAY; |
vromero@1853 | 1020 | } |
vromero@1853 | 1021 | |
duke@1 | 1022 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { |
duke@1 | 1023 | return v.visitArrayType(this, s); |
duke@1 | 1024 | } |
duke@1 | 1025 | |
duke@1 | 1026 | public String toString() { |
duke@1 | 1027 | return elemtype + "[]"; |
duke@1 | 1028 | } |
duke@1 | 1029 | |
duke@1 | 1030 | public boolean equals(Object obj) { |
duke@1 | 1031 | return |
duke@1 | 1032 | this == obj || |
duke@1 | 1033 | (obj instanceof ArrayType && |
duke@1 | 1034 | this.elemtype.equals(((ArrayType)obj).elemtype)); |
duke@1 | 1035 | } |
duke@1 | 1036 | |
duke@1 | 1037 | public int hashCode() { |
jjg@1374 | 1038 | return (ARRAY.ordinal() << 5) + elemtype.hashCode(); |
duke@1 | 1039 | } |
duke@1 | 1040 | |
mcimadamore@795 | 1041 | public boolean isVarargs() { |
mcimadamore@795 | 1042 | return false; |
mcimadamore@795 | 1043 | } |
mcimadamore@795 | 1044 | |
duke@1 | 1045 | public List<Type> allparams() { return elemtype.allparams(); } |
duke@1 | 1046 | |
duke@1 | 1047 | public boolean isErroneous() { |
duke@1 | 1048 | return elemtype.isErroneous(); |
duke@1 | 1049 | } |
duke@1 | 1050 | |
duke@1 | 1051 | public boolean isParameterized() { |
duke@1 | 1052 | return elemtype.isParameterized(); |
duke@1 | 1053 | } |
duke@1 | 1054 | |
vromero@1853 | 1055 | @Override |
vromero@1853 | 1056 | public boolean isReference() { |
vromero@1853 | 1057 | return true; |
vromero@1853 | 1058 | } |
vromero@1853 | 1059 | |
vromero@1853 | 1060 | @Override |
vromero@1853 | 1061 | public boolean isNullOrReference() { |
vromero@1853 | 1062 | return true; |
vromero@1853 | 1063 | } |
vromero@1853 | 1064 | |
duke@1 | 1065 | public boolean isRaw() { |
duke@1 | 1066 | return elemtype.isRaw(); |
duke@1 | 1067 | } |
duke@1 | 1068 | |
mcimadamore@795 | 1069 | public ArrayType makeVarargs() { |
mcimadamore@795 | 1070 | return new ArrayType(elemtype, tsym) { |
mcimadamore@795 | 1071 | @Override |
mcimadamore@795 | 1072 | public boolean isVarargs() { |
mcimadamore@795 | 1073 | return true; |
mcimadamore@795 | 1074 | } |
mcimadamore@795 | 1075 | }; |
mcimadamore@795 | 1076 | } |
mcimadamore@795 | 1077 | |
duke@1 | 1078 | public Type map(Mapping f) { |
duke@1 | 1079 | Type elemtype1 = f.apply(elemtype); |
duke@1 | 1080 | if (elemtype1 == elemtype) return this; |
duke@1 | 1081 | else return new ArrayType(elemtype1, tsym); |
duke@1 | 1082 | } |
duke@1 | 1083 | |
duke@1 | 1084 | public boolean contains(Type elem) { |
duke@1 | 1085 | return elem == this || elemtype.contains(elem); |
duke@1 | 1086 | } |
duke@1 | 1087 | |
duke@1 | 1088 | public void complete() { |
duke@1 | 1089 | elemtype.complete(); |
duke@1 | 1090 | } |
duke@1 | 1091 | |
duke@1 | 1092 | public Type getComponentType() { |
duke@1 | 1093 | return elemtype; |
duke@1 | 1094 | } |
duke@1 | 1095 | |
duke@1 | 1096 | public TypeKind getKind() { |
duke@1 | 1097 | return TypeKind.ARRAY; |
duke@1 | 1098 | } |
duke@1 | 1099 | |
duke@1 | 1100 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
duke@1 | 1101 | return v.visitArray(this, p); |
duke@1 | 1102 | } |
duke@1 | 1103 | } |
duke@1 | 1104 | |
dlsmith@880 | 1105 | public static class MethodType extends Type implements ExecutableType { |
duke@1 | 1106 | |
duke@1 | 1107 | public List<Type> argtypes; |
duke@1 | 1108 | public Type restype; |
duke@1 | 1109 | public List<Type> thrown; |
duke@1 | 1110 | |
jjg@1521 | 1111 | /** The type annotations on the method receiver. |
jjg@1521 | 1112 | */ |
jjg@1521 | 1113 | public Type recvtype; |
jjg@1521 | 1114 | |
duke@1 | 1115 | public MethodType(List<Type> argtypes, |
duke@1 | 1116 | Type restype, |
duke@1 | 1117 | List<Type> thrown, |
duke@1 | 1118 | TypeSymbol methodClass) { |
vromero@1853 | 1119 | super(methodClass); |
duke@1 | 1120 | this.argtypes = argtypes; |
duke@1 | 1121 | this.restype = restype; |
duke@1 | 1122 | this.thrown = thrown; |
duke@1 | 1123 | } |
duke@1 | 1124 | |
duke@1 | 1125 | @Override |
vromero@1853 | 1126 | public TypeTag getTag() { |
vromero@1853 | 1127 | return METHOD; |
vromero@1853 | 1128 | } |
vromero@1853 | 1129 | |
duke@1 | 1130 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { |
duke@1 | 1131 | return v.visitMethodType(this, s); |
duke@1 | 1132 | } |
duke@1 | 1133 | |
duke@1 | 1134 | /** The Java source which this type represents. |
duke@1 | 1135 | * |
duke@1 | 1136 | * XXX 06/09/99 iris This isn't correct Java syntax, but it probably |
duke@1 | 1137 | * should be. |
duke@1 | 1138 | */ |
duke@1 | 1139 | public String toString() { |
duke@1 | 1140 | return "(" + argtypes + ")" + restype; |
duke@1 | 1141 | } |
duke@1 | 1142 | |
duke@1 | 1143 | public List<Type> getParameterTypes() { return argtypes; } |
duke@1 | 1144 | public Type getReturnType() { return restype; } |
jjg@1521 | 1145 | public Type getReceiverType() { return recvtype; } |
duke@1 | 1146 | public List<Type> getThrownTypes() { return thrown; } |
duke@1 | 1147 | |
duke@1 | 1148 | public boolean isErroneous() { |
duke@1 | 1149 | return |
duke@1 | 1150 | isErroneous(argtypes) || |
duke@1 | 1151 | restype != null && restype.isErroneous(); |
duke@1 | 1152 | } |
duke@1 | 1153 | |
duke@1 | 1154 | public Type map(Mapping f) { |
duke@1 | 1155 | List<Type> argtypes1 = map(argtypes, f); |
duke@1 | 1156 | Type restype1 = f.apply(restype); |
duke@1 | 1157 | List<Type> thrown1 = map(thrown, f); |
duke@1 | 1158 | if (argtypes1 == argtypes && |
duke@1 | 1159 | restype1 == restype && |
duke@1 | 1160 | thrown1 == thrown) return this; |
duke@1 | 1161 | else return new MethodType(argtypes1, restype1, thrown1, tsym); |
duke@1 | 1162 | } |
duke@1 | 1163 | |
duke@1 | 1164 | public boolean contains(Type elem) { |
jlahoda@1955 | 1165 | return elem == this || contains(argtypes, elem) || restype.contains(elem) || contains(thrown, elem); |
duke@1 | 1166 | } |
duke@1 | 1167 | |
duke@1 | 1168 | public MethodType asMethodType() { return this; } |
duke@1 | 1169 | |
duke@1 | 1170 | public void complete() { |
duke@1 | 1171 | for (List<Type> l = argtypes; l.nonEmpty(); l = l.tail) |
duke@1 | 1172 | l.head.complete(); |
duke@1 | 1173 | restype.complete(); |
jjg@1521 | 1174 | recvtype.complete(); |
duke@1 | 1175 | for (List<Type> l = thrown; l.nonEmpty(); l = l.tail) |
duke@1 | 1176 | l.head.complete(); |
duke@1 | 1177 | } |
duke@1 | 1178 | |
duke@1 | 1179 | public List<TypeVar> getTypeVariables() { |
duke@1 | 1180 | return List.nil(); |
duke@1 | 1181 | } |
duke@1 | 1182 | |
duke@1 | 1183 | public TypeSymbol asElement() { |
duke@1 | 1184 | return null; |
duke@1 | 1185 | } |
duke@1 | 1186 | |
duke@1 | 1187 | public TypeKind getKind() { |
duke@1 | 1188 | return TypeKind.EXECUTABLE; |
duke@1 | 1189 | } |
duke@1 | 1190 | |
duke@1 | 1191 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
duke@1 | 1192 | return v.visitExecutable(this, p); |
duke@1 | 1193 | } |
duke@1 | 1194 | } |
duke@1 | 1195 | |
duke@1 | 1196 | public static class PackageType extends Type implements NoType { |
duke@1 | 1197 | |
duke@1 | 1198 | PackageType(TypeSymbol tsym) { |
vromero@1853 | 1199 | super(tsym); |
vromero@1853 | 1200 | } |
vromero@1853 | 1201 | |
vromero@1853 | 1202 | @Override |
vromero@1853 | 1203 | public TypeTag getTag() { |
vromero@1853 | 1204 | return PACKAGE; |
duke@1 | 1205 | } |
duke@1 | 1206 | |
duke@1 | 1207 | @Override |
duke@1 | 1208 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { |
duke@1 | 1209 | return v.visitPackageType(this, s); |
duke@1 | 1210 | } |
duke@1 | 1211 | |
duke@1 | 1212 | public String toString() { |
duke@1 | 1213 | return tsym.getQualifiedName().toString(); |
duke@1 | 1214 | } |
duke@1 | 1215 | |
duke@1 | 1216 | public TypeKind getKind() { |
duke@1 | 1217 | return TypeKind.PACKAGE; |
duke@1 | 1218 | } |
duke@1 | 1219 | |
duke@1 | 1220 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
duke@1 | 1221 | return v.visitNoType(this, p); |
duke@1 | 1222 | } |
duke@1 | 1223 | } |
duke@1 | 1224 | |
duke@1 | 1225 | public static class TypeVar extends Type implements TypeVariable { |
duke@1 | 1226 | |
jjg@789 | 1227 | /** The upper bound of this type variable; set from outside. |
duke@1 | 1228 | * Must be nonempty once it is set. |
duke@1 | 1229 | * For a bound, `bound' is the bound type itself. |
duke@1 | 1230 | * Multiple bounds are expressed as a single class type which has the |
duke@1 | 1231 | * individual bounds as superclass, respectively interfaces. |
duke@1 | 1232 | * The class type then has as `tsym' a compiler generated class `c', |
duke@1 | 1233 | * which has a flag COMPOUND and whose owner is the type variable |
duke@1 | 1234 | * itself. Furthermore, the erasure_field of the class |
duke@1 | 1235 | * points to the first class or interface bound. |
duke@1 | 1236 | */ |
duke@1 | 1237 | public Type bound = null; |
jjg@789 | 1238 | |
jjg@789 | 1239 | /** The lower bound of this type variable. |
jjg@789 | 1240 | * TypeVars don't normally have a lower bound, so it is normally set |
jjg@789 | 1241 | * to syms.botType. |
jjg@789 | 1242 | * Subtypes, such as CapturedType, may provide a different value. |
jjg@789 | 1243 | */ |
duke@1 | 1244 | public Type lower; |
duke@1 | 1245 | |
duke@1 | 1246 | public TypeVar(Name name, Symbol owner, Type lower) { |
vromero@1853 | 1247 | super(null); |
jfranck@1689 | 1248 | tsym = new TypeVariableSymbol(0, name, this, owner); |
duke@1 | 1249 | this.lower = lower; |
duke@1 | 1250 | } |
duke@1 | 1251 | |
duke@1 | 1252 | public TypeVar(TypeSymbol tsym, Type bound, Type lower) { |
vromero@1853 | 1253 | super(tsym); |
duke@1 | 1254 | this.bound = bound; |
duke@1 | 1255 | this.lower = lower; |
duke@1 | 1256 | } |
duke@1 | 1257 | |
duke@1 | 1258 | @Override |
vromero@1853 | 1259 | public TypeTag getTag() { |
vromero@1853 | 1260 | return TYPEVAR; |
vromero@1853 | 1261 | } |
vromero@1853 | 1262 | |
vromero@1853 | 1263 | @Override |
duke@1 | 1264 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { |
duke@1 | 1265 | return v.visitTypeVar(this, s); |
duke@1 | 1266 | } |
duke@1 | 1267 | |
jjg@789 | 1268 | @Override |
jjg@1521 | 1269 | public Type getUpperBound() { |
vromero@1853 | 1270 | if ((bound == null || bound.hasTag(NONE)) && this != tsym.type) { |
jjg@1521 | 1271 | bound = tsym.type.getUpperBound(); |
vromero@1853 | 1272 | } |
jjg@1521 | 1273 | return bound; |
jjg@1521 | 1274 | } |
duke@1 | 1275 | |
duke@1 | 1276 | int rank_field = -1; |
duke@1 | 1277 | |
jjg@789 | 1278 | @Override |
duke@1 | 1279 | public Type getLowerBound() { |
duke@1 | 1280 | return lower; |
duke@1 | 1281 | } |
duke@1 | 1282 | |
duke@1 | 1283 | public TypeKind getKind() { |
duke@1 | 1284 | return TypeKind.TYPEVAR; |
duke@1 | 1285 | } |
duke@1 | 1286 | |
mcimadamore@79 | 1287 | public boolean isCaptured() { |
mcimadamore@79 | 1288 | return false; |
mcimadamore@79 | 1289 | } |
mcimadamore@79 | 1290 | |
vromero@1853 | 1291 | @Override |
vromero@1853 | 1292 | public boolean isReference() { |
vromero@1853 | 1293 | return true; |
vromero@1853 | 1294 | } |
vromero@1853 | 1295 | |
vromero@1853 | 1296 | @Override |
vromero@1853 | 1297 | public boolean isNullOrReference() { |
vromero@1853 | 1298 | return true; |
vromero@1853 | 1299 | } |
vromero@1853 | 1300 | |
vromero@1853 | 1301 | @Override |
duke@1 | 1302 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
duke@1 | 1303 | return v.visitTypeVariable(this, p); |
duke@1 | 1304 | } |
duke@1 | 1305 | } |
duke@1 | 1306 | |
duke@1 | 1307 | /** A captured type variable comes from wildcards which can have |
duke@1 | 1308 | * both upper and lower bound. CapturedType extends TypeVar with |
duke@1 | 1309 | * a lower bound. |
duke@1 | 1310 | */ |
duke@1 | 1311 | public static class CapturedType extends TypeVar { |
duke@1 | 1312 | |
duke@1 | 1313 | public WildcardType wildcard; |
duke@1 | 1314 | |
duke@1 | 1315 | public CapturedType(Name name, |
duke@1 | 1316 | Symbol owner, |
duke@1 | 1317 | Type upper, |
duke@1 | 1318 | Type lower, |
duke@1 | 1319 | WildcardType wildcard) { |
duke@1 | 1320 | super(name, owner, lower); |
jjg@816 | 1321 | this.lower = Assert.checkNonNull(lower); |
duke@1 | 1322 | this.bound = upper; |
duke@1 | 1323 | this.wildcard = wildcard; |
duke@1 | 1324 | } |
duke@1 | 1325 | |
duke@1 | 1326 | @Override |
duke@1 | 1327 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { |
duke@1 | 1328 | return v.visitCapturedType(this, s); |
duke@1 | 1329 | } |
duke@1 | 1330 | |
duke@1 | 1331 | @Override |
mcimadamore@79 | 1332 | public boolean isCaptured() { |
mcimadamore@79 | 1333 | return true; |
mcimadamore@79 | 1334 | } |
mcimadamore@79 | 1335 | |
mcimadamore@79 | 1336 | @Override |
duke@1 | 1337 | public String toString() { |
duke@1 | 1338 | return "capture#" |
mcimadamore@288 | 1339 | + (hashCode() & 0xFFFFFFFFL) % Printer.PRIME |
duke@1 | 1340 | + " of " |
duke@1 | 1341 | + wildcard; |
duke@1 | 1342 | } |
duke@1 | 1343 | } |
duke@1 | 1344 | |
duke@1 | 1345 | public static abstract class DelegatedType extends Type { |
duke@1 | 1346 | public Type qtype; |
vromero@1853 | 1347 | public TypeTag tag; |
jjg@1374 | 1348 | public DelegatedType(TypeTag tag, Type qtype) { |
vromero@1853 | 1349 | super(qtype.tsym); |
vromero@1853 | 1350 | this.tag = tag; |
duke@1 | 1351 | this.qtype = qtype; |
duke@1 | 1352 | } |
vromero@1853 | 1353 | public TypeTag getTag() { return tag; } |
duke@1 | 1354 | public String toString() { return qtype.toString(); } |
duke@1 | 1355 | public List<Type> getTypeArguments() { return qtype.getTypeArguments(); } |
duke@1 | 1356 | public Type getEnclosingType() { return qtype.getEnclosingType(); } |
duke@1 | 1357 | public List<Type> getParameterTypes() { return qtype.getParameterTypes(); } |
duke@1 | 1358 | public Type getReturnType() { return qtype.getReturnType(); } |
jjg@1521 | 1359 | public Type getReceiverType() { return qtype.getReceiverType(); } |
duke@1 | 1360 | public List<Type> getThrownTypes() { return qtype.getThrownTypes(); } |
duke@1 | 1361 | public List<Type> allparams() { return qtype.allparams(); } |
duke@1 | 1362 | public Type getUpperBound() { return qtype.getUpperBound(); } |
duke@1 | 1363 | public boolean isErroneous() { return qtype.isErroneous(); } |
duke@1 | 1364 | } |
duke@1 | 1365 | |
mcimadamore@1268 | 1366 | /** |
mcimadamore@1268 | 1367 | * The type of a generic method type. It consists of a method type and |
mcimadamore@1268 | 1368 | * a list of method type-parameters that are used within the method |
mcimadamore@1268 | 1369 | * type. |
mcimadamore@1268 | 1370 | */ |
dlsmith@880 | 1371 | public static class ForAll extends DelegatedType implements ExecutableType { |
duke@1 | 1372 | public List<Type> tvars; |
duke@1 | 1373 | |
duke@1 | 1374 | public ForAll(List<Type> tvars, Type qtype) { |
mcimadamore@1268 | 1375 | super(FORALL, (MethodType)qtype); |
duke@1 | 1376 | this.tvars = tvars; |
duke@1 | 1377 | } |
duke@1 | 1378 | |
duke@1 | 1379 | @Override |
duke@1 | 1380 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { |
duke@1 | 1381 | return v.visitForAll(this, s); |
duke@1 | 1382 | } |
duke@1 | 1383 | |
duke@1 | 1384 | public String toString() { |
duke@1 | 1385 | return "<" + tvars + ">" + qtype; |
duke@1 | 1386 | } |
duke@1 | 1387 | |
duke@1 | 1388 | public List<Type> getTypeArguments() { return tvars; } |
duke@1 | 1389 | |
duke@1 | 1390 | public boolean isErroneous() { |
duke@1 | 1391 | return qtype.isErroneous(); |
duke@1 | 1392 | } |
duke@1 | 1393 | |
duke@1 | 1394 | public Type map(Mapping f) { |
duke@1 | 1395 | return f.apply(qtype); |
duke@1 | 1396 | } |
duke@1 | 1397 | |
duke@1 | 1398 | public boolean contains(Type elem) { |
duke@1 | 1399 | return qtype.contains(elem); |
duke@1 | 1400 | } |
duke@1 | 1401 | |
duke@1 | 1402 | public MethodType asMethodType() { |
mcimadamore@1268 | 1403 | return (MethodType)qtype; |
duke@1 | 1404 | } |
duke@1 | 1405 | |
duke@1 | 1406 | public void complete() { |
duke@1 | 1407 | for (List<Type> l = tvars; l.nonEmpty(); l = l.tail) { |
duke@1 | 1408 | ((TypeVar)l.head).bound.complete(); |
duke@1 | 1409 | } |
duke@1 | 1410 | qtype.complete(); |
duke@1 | 1411 | } |
duke@1 | 1412 | |
duke@1 | 1413 | public List<TypeVar> getTypeVariables() { |
duke@1 | 1414 | return List.convert(TypeVar.class, getTypeArguments()); |
duke@1 | 1415 | } |
duke@1 | 1416 | |
duke@1 | 1417 | public TypeKind getKind() { |
duke@1 | 1418 | return TypeKind.EXECUTABLE; |
duke@1 | 1419 | } |
duke@1 | 1420 | |
duke@1 | 1421 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
duke@1 | 1422 | return v.visitExecutable(this, p); |
duke@1 | 1423 | } |
duke@1 | 1424 | } |
duke@1 | 1425 | |
mcimadamore@1338 | 1426 | /** A class for inference variables, for use during method/diamond type |
mcimadamore@1338 | 1427 | * inference. An inference variable has upper/lower bounds and a set |
mcimadamore@1338 | 1428 | * of equality constraints. Such bounds are set during subtyping, type-containment, |
mcimadamore@1338 | 1429 | * type-equality checks, when the types being tested contain inference variables. |
mcimadamore@1338 | 1430 | * A change listener can be attached to an inference variable, to receive notifications |
mcimadamore@1338 | 1431 | * whenever the bounds of an inference variable change. |
duke@1 | 1432 | */ |
duke@1 | 1433 | public static class UndetVar extends DelegatedType { |
mcimadamore@1338 | 1434 | |
mcimadamore@1338 | 1435 | /** Inference variable change listener. The listener method is called |
mcimadamore@1338 | 1436 | * whenever a change to the inference variable's bounds occurs |
mcimadamore@1338 | 1437 | */ |
mcimadamore@1338 | 1438 | public interface UndetVarListener { |
mcimadamore@1338 | 1439 | /** called when some inference variable bounds (of given kinds ibs) change */ |
mcimadamore@1338 | 1440 | void varChanged(UndetVar uv, Set<InferenceBound> ibs); |
mcimadamore@1338 | 1441 | } |
mcimadamore@1338 | 1442 | |
mcimadamore@1338 | 1443 | /** |
mcimadamore@1338 | 1444 | * Inference variable bound kinds |
mcimadamore@1338 | 1445 | */ |
mcimadamore@1338 | 1446 | public enum InferenceBound { |
mcimadamore@1338 | 1447 | /** upper bounds */ |
mcimadamore@1338 | 1448 | UPPER, |
mcimadamore@1338 | 1449 | /** lower bounds */ |
mcimadamore@1338 | 1450 | LOWER, |
mcimadamore@1338 | 1451 | /** equality constraints */ |
mcimadamore@1338 | 1452 | EQ; |
mcimadamore@1338 | 1453 | } |
mcimadamore@1338 | 1454 | |
mcimadamore@1338 | 1455 | /** inference variable bounds */ |
mcimadamore@1898 | 1456 | protected Map<InferenceBound, List<Type>> bounds; |
mcimadamore@1338 | 1457 | |
mcimadamore@1338 | 1458 | /** inference variable's inferred type (set from Infer.java) */ |
duke@1 | 1459 | public Type inst = null; |
duke@1 | 1460 | |
mcimadamore@1550 | 1461 | /** number of declared (upper) bounds */ |
mcimadamore@1550 | 1462 | public int declaredCount; |
mcimadamore@1550 | 1463 | |
mcimadamore@1338 | 1464 | /** inference variable's change listener */ |
mcimadamore@1338 | 1465 | public UndetVarListener listener = null; |
mcimadamore@1338 | 1466 | |
duke@1 | 1467 | @Override |
duke@1 | 1468 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { |
duke@1 | 1469 | return v.visitUndetVar(this, s); |
duke@1 | 1470 | } |
duke@1 | 1471 | |
mcimadamore@1338 | 1472 | public UndetVar(TypeVar origin, Types types) { |
duke@1 | 1473 | super(UNDETVAR, origin); |
mcimadamore@1338 | 1474 | bounds = new EnumMap<InferenceBound, List<Type>>(InferenceBound.class); |
mcimadamore@1550 | 1475 | List<Type> declaredBounds = types.getBounds(origin); |
mcimadamore@1550 | 1476 | declaredCount = declaredBounds.length(); |
mcimadamore@1550 | 1477 | bounds.put(InferenceBound.UPPER, declaredBounds); |
mcimadamore@1338 | 1478 | bounds.put(InferenceBound.LOWER, List.<Type>nil()); |
mcimadamore@1338 | 1479 | bounds.put(InferenceBound.EQ, List.<Type>nil()); |
duke@1 | 1480 | } |
duke@1 | 1481 | |
duke@1 | 1482 | public String toString() { |
duke@1 | 1483 | if (inst != null) return inst.toString(); |
duke@1 | 1484 | else return qtype + "?"; |
duke@1 | 1485 | } |
duke@1 | 1486 | |
vromero@1853 | 1487 | @Override |
vromero@1853 | 1488 | public boolean isPartial() { |
vromero@1853 | 1489 | return true; |
vromero@1853 | 1490 | } |
vromero@1853 | 1491 | |
vromero@1853 | 1492 | @Override |
duke@1 | 1493 | public Type baseType() { |
duke@1 | 1494 | if (inst != null) return inst.baseType(); |
duke@1 | 1495 | else return this; |
duke@1 | 1496 | } |
mcimadamore@1338 | 1497 | |
mcimadamore@1338 | 1498 | /** get all bounds of a given kind */ |
mcimadamore@1550 | 1499 | public List<Type> getBounds(InferenceBound... ibs) { |
alundblad@2047 | 1500 | ListBuffer<Type> buf = new ListBuffer<>(); |
mcimadamore@1550 | 1501 | for (InferenceBound ib : ibs) { |
mcimadamore@1550 | 1502 | buf.appendList(bounds.get(ib)); |
mcimadamore@1550 | 1503 | } |
mcimadamore@1550 | 1504 | return buf.toList(); |
mcimadamore@1550 | 1505 | } |
mcimadamore@1550 | 1506 | |
mcimadamore@1550 | 1507 | /** get the list of declared (upper) bounds */ |
mcimadamore@1550 | 1508 | public List<Type> getDeclaredBounds() { |
alundblad@2047 | 1509 | ListBuffer<Type> buf = new ListBuffer<>(); |
mcimadamore@1550 | 1510 | int count = 0; |
mcimadamore@1550 | 1511 | for (Type b : getBounds(InferenceBound.UPPER)) { |
mcimadamore@1550 | 1512 | if (count++ == declaredCount) break; |
mcimadamore@1550 | 1513 | buf.append(b); |
mcimadamore@1550 | 1514 | } |
mcimadamore@1550 | 1515 | return buf.toList(); |
mcimadamore@1338 | 1516 | } |
mcimadamore@1338 | 1517 | |
mcimadamore@1891 | 1518 | /** internal method used to override an undetvar bounds */ |
mcimadamore@1891 | 1519 | public void setBounds(InferenceBound ib, List<Type> newBounds) { |
mcimadamore@1891 | 1520 | bounds.put(ib, newBounds); |
mcimadamore@1891 | 1521 | } |
mcimadamore@1891 | 1522 | |
mcimadamore@1338 | 1523 | /** add a bound of a given kind - this might trigger listener notification */ |
mcimadamore@1898 | 1524 | public final void addBound(InferenceBound ib, Type bound, Types types) { |
mcimadamore@1898 | 1525 | addBound(ib, bound, types, false); |
mcimadamore@1898 | 1526 | } |
mcimadamore@1898 | 1527 | |
mcimadamore@1898 | 1528 | protected void addBound(InferenceBound ib, Type bound, Types types, boolean update) { |
mcimadamore@1946 | 1529 | Type bound2 = toTypeVarMap.apply(bound).baseType(); |
mcimadamore@1338 | 1530 | List<Type> prevBounds = bounds.get(ib); |
mcimadamore@1338 | 1531 | for (Type b : prevBounds) { |
mcimadamore@1550 | 1532 | //check for redundancy - use strict version of isSameType on tvars |
mcimadamore@1550 | 1533 | //(as the standard version will lead to false positives w.r.t. clones ivars) |
mcimadamore@1628 | 1534 | if (types.isSameType(b, bound2, true) || bound == qtype) return; |
mcimadamore@1338 | 1535 | } |
mcimadamore@1550 | 1536 | bounds.put(ib, prevBounds.prepend(bound2)); |
mcimadamore@1338 | 1537 | notifyChange(EnumSet.of(ib)); |
mcimadamore@1338 | 1538 | } |
mcimadamore@1550 | 1539 | //where |
mcimadamore@1905 | 1540 | Type.Mapping toTypeVarMap = new Mapping("toTypeVarMap") { |
mcimadamore@1550 | 1541 | @Override |
mcimadamore@1550 | 1542 | public Type apply(Type t) { |
mcimadamore@1550 | 1543 | if (t.hasTag(UNDETVAR)) { |
mcimadamore@1550 | 1544 | UndetVar uv = (UndetVar)t; |
mcimadamore@1891 | 1545 | return uv.inst != null ? uv.inst : uv.qtype; |
mcimadamore@1550 | 1546 | } else { |
mcimadamore@1550 | 1547 | return t.map(this); |
mcimadamore@1550 | 1548 | } |
mcimadamore@1550 | 1549 | } |
mcimadamore@1550 | 1550 | }; |
mcimadamore@1338 | 1551 | |
mcimadamore@1338 | 1552 | /** replace types in all bounds - this might trigger listener notification */ |
mcimadamore@1338 | 1553 | public void substBounds(List<Type> from, List<Type> to, Types types) { |
mcimadamore@1550 | 1554 | List<Type> instVars = from.diff(to); |
mcimadamore@1550 | 1555 | //if set of instantiated ivars is empty, there's nothing to do! |
mcimadamore@1550 | 1556 | if (instVars.isEmpty()) return; |
mcimadamore@1550 | 1557 | final EnumSet<InferenceBound> boundsChanged = EnumSet.noneOf(InferenceBound.class); |
mcimadamore@1550 | 1558 | UndetVarListener prevListener = listener; |
mcimadamore@1550 | 1559 | try { |
mcimadamore@1550 | 1560 | //setup new listener for keeping track of changed bounds |
mcimadamore@1550 | 1561 | listener = new UndetVarListener() { |
mcimadamore@1550 | 1562 | public void varChanged(UndetVar uv, Set<InferenceBound> ibs) { |
mcimadamore@1550 | 1563 | boundsChanged.addAll(ibs); |
mcimadamore@1550 | 1564 | } |
mcimadamore@1550 | 1565 | }; |
mcimadamore@1550 | 1566 | for (Map.Entry<InferenceBound, List<Type>> _entry : bounds.entrySet()) { |
mcimadamore@1550 | 1567 | InferenceBound ib = _entry.getKey(); |
mcimadamore@1550 | 1568 | List<Type> prevBounds = _entry.getValue(); |
alundblad@2047 | 1569 | ListBuffer<Type> newBounds = new ListBuffer<>(); |
alundblad@2047 | 1570 | ListBuffer<Type> deps = new ListBuffer<>(); |
mcimadamore@1550 | 1571 | //step 1 - re-add bounds that are not dependent on ivars |
mcimadamore@1550 | 1572 | for (Type t : prevBounds) { |
mcimadamore@1550 | 1573 | if (!t.containsAny(instVars)) { |
mcimadamore@1550 | 1574 | newBounds.append(t); |
mcimadamore@1550 | 1575 | } else { |
mcimadamore@1550 | 1576 | deps.append(t); |
mcimadamore@1550 | 1577 | } |
mcimadamore@1550 | 1578 | } |
mcimadamore@1550 | 1579 | //step 2 - replace bounds |
mcimadamore@1550 | 1580 | bounds.put(ib, newBounds.toList()); |
mcimadamore@1550 | 1581 | //step 3 - for each dependency, add new replaced bound |
mcimadamore@1550 | 1582 | for (Type dep : deps) { |
mcimadamore@1898 | 1583 | addBound(ib, types.subst(dep, from, to), types, true); |
mcimadamore@1550 | 1584 | } |
mcimadamore@1338 | 1585 | } |
mcimadamore@1550 | 1586 | } finally { |
mcimadamore@1550 | 1587 | listener = prevListener; |
mcimadamore@1550 | 1588 | if (!boundsChanged.isEmpty()) { |
mcimadamore@1550 | 1589 | notifyChange(boundsChanged); |
mcimadamore@1550 | 1590 | } |
mcimadamore@1338 | 1591 | } |
mcimadamore@1338 | 1592 | } |
mcimadamore@1338 | 1593 | |
mcimadamore@1338 | 1594 | private void notifyChange(EnumSet<InferenceBound> ibs) { |
mcimadamore@1338 | 1595 | if (listener != null) { |
mcimadamore@1338 | 1596 | listener.varChanged(this, ibs); |
mcimadamore@1338 | 1597 | } |
mcimadamore@1338 | 1598 | } |
mcimadamore@1898 | 1599 | |
mcimadamore@1898 | 1600 | public boolean isCaptured() { |
mcimadamore@1898 | 1601 | return false; |
mcimadamore@1898 | 1602 | } |
mcimadamore@1898 | 1603 | } |
mcimadamore@1898 | 1604 | |
mcimadamore@1898 | 1605 | /** |
mcimadamore@1898 | 1606 | * This class is used to represent synthetic captured inference variables |
mcimadamore@1898 | 1607 | * that can be generated during nested generic method calls. The only difference |
mcimadamore@1898 | 1608 | * between these inference variables and ordinary ones is that captured inference |
mcimadamore@1898 | 1609 | * variables cannot get new bounds through incorporation. |
mcimadamore@1898 | 1610 | */ |
mcimadamore@1898 | 1611 | public static class CapturedUndetVar extends UndetVar { |
mcimadamore@1898 | 1612 | |
mcimadamore@1898 | 1613 | public CapturedUndetVar(CapturedType origin, Types types) { |
mcimadamore@1898 | 1614 | super(origin, types); |
mcimadamore@1898 | 1615 | if (!origin.lower.hasTag(BOT)) { |
mcimadamore@1898 | 1616 | bounds.put(InferenceBound.LOWER, List.of(origin.lower)); |
mcimadamore@1898 | 1617 | } |
mcimadamore@1898 | 1618 | } |
mcimadamore@1898 | 1619 | |
mcimadamore@1898 | 1620 | @Override |
mcimadamore@1898 | 1621 | public void addBound(InferenceBound ib, Type bound, Types types, boolean update) { |
mcimadamore@1898 | 1622 | if (update) { |
mcimadamore@1898 | 1623 | //only change bounds if request comes from substBounds |
mcimadamore@1898 | 1624 | super.addBound(ib, bound, types, update); |
mcimadamore@1898 | 1625 | } |
mcimadamore@1898 | 1626 | } |
mcimadamore@1898 | 1627 | |
mcimadamore@1898 | 1628 | @Override |
mcimadamore@1898 | 1629 | public boolean isCaptured() { |
mcimadamore@1898 | 1630 | return true; |
mcimadamore@1898 | 1631 | } |
duke@1 | 1632 | } |
duke@1 | 1633 | |
vromero@1853 | 1634 | /** Represents NONE. |
duke@1 | 1635 | */ |
vromero@1853 | 1636 | public static class JCNoType extends Type implements NoType { |
vromero@1853 | 1637 | public JCNoType() { |
vromero@1853 | 1638 | super(null); |
vromero@1853 | 1639 | } |
vromero@1853 | 1640 | |
vromero@1853 | 1641 | @Override |
vromero@1853 | 1642 | public TypeTag getTag() { |
vromero@1853 | 1643 | return NONE; |
duke@1 | 1644 | } |
duke@1 | 1645 | |
duke@1 | 1646 | @Override |
duke@1 | 1647 | public TypeKind getKind() { |
vromero@1853 | 1648 | return TypeKind.NONE; |
duke@1 | 1649 | } |
duke@1 | 1650 | |
duke@1 | 1651 | @Override |
duke@1 | 1652 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
duke@1 | 1653 | return v.visitNoType(this, p); |
duke@1 | 1654 | } |
emc@2077 | 1655 | |
emc@2077 | 1656 | @Override |
emc@2077 | 1657 | public boolean isCompound() { return false; } |
duke@1 | 1658 | } |
duke@1 | 1659 | |
vromero@1853 | 1660 | /** Represents VOID. |
vromero@1853 | 1661 | */ |
vromero@1853 | 1662 | public static class JCVoidType extends Type implements NoType { |
vromero@1853 | 1663 | |
vromero@1853 | 1664 | public JCVoidType() { |
vromero@1853 | 1665 | super(null); |
vromero@1853 | 1666 | } |
vromero@1853 | 1667 | |
vromero@1853 | 1668 | @Override |
vromero@1853 | 1669 | public TypeTag getTag() { |
vromero@1853 | 1670 | return VOID; |
vromero@1853 | 1671 | } |
vromero@1853 | 1672 | |
vromero@1853 | 1673 | @Override |
vromero@1853 | 1674 | public TypeKind getKind() { |
vromero@1853 | 1675 | return TypeKind.VOID; |
vromero@1853 | 1676 | } |
vromero@1853 | 1677 | |
vromero@1853 | 1678 | @Override |
emc@2077 | 1679 | public boolean isCompound() { return false; } |
emc@2077 | 1680 | |
emc@2077 | 1681 | @Override |
vromero@1853 | 1682 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
vromero@1853 | 1683 | return v.visitNoType(this, p); |
vromero@1853 | 1684 | } |
vromero@1853 | 1685 | |
vromero@1853 | 1686 | @Override |
vromero@1853 | 1687 | public boolean isPrimitiveOrVoid() { |
vromero@1853 | 1688 | return true; |
vromero@1853 | 1689 | } |
vromero@1853 | 1690 | } |
vromero@1853 | 1691 | |
duke@1 | 1692 | static class BottomType extends Type implements NullType { |
duke@1 | 1693 | public BottomType() { |
vromero@1853 | 1694 | super(null); |
vromero@1853 | 1695 | } |
vromero@1853 | 1696 | |
vromero@1853 | 1697 | @Override |
vromero@1853 | 1698 | public TypeTag getTag() { |
vromero@1853 | 1699 | return BOT; |
duke@1 | 1700 | } |
duke@1 | 1701 | |
duke@1 | 1702 | @Override |
duke@1 | 1703 | public TypeKind getKind() { |
duke@1 | 1704 | return TypeKind.NULL; |
duke@1 | 1705 | } |
duke@1 | 1706 | |
duke@1 | 1707 | @Override |
emc@2077 | 1708 | public boolean isCompound() { return false; } |
emc@2077 | 1709 | |
emc@2077 | 1710 | @Override |
duke@1 | 1711 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
duke@1 | 1712 | return v.visitNull(this, p); |
duke@1 | 1713 | } |
duke@1 | 1714 | |
duke@1 | 1715 | @Override |
duke@1 | 1716 | public Type constType(Object value) { |
duke@1 | 1717 | return this; |
duke@1 | 1718 | } |
duke@1 | 1719 | |
duke@1 | 1720 | @Override |
duke@1 | 1721 | public String stringValue() { |
duke@1 | 1722 | return "null"; |
duke@1 | 1723 | } |
vromero@1853 | 1724 | |
vromero@1853 | 1725 | @Override |
vromero@1853 | 1726 | public boolean isNullOrReference() { |
vromero@1853 | 1727 | return true; |
vromero@1853 | 1728 | } |
vromero@1853 | 1729 | |
duke@1 | 1730 | } |
duke@1 | 1731 | |
duke@1 | 1732 | public static class ErrorType extends ClassType |
duke@1 | 1733 | implements javax.lang.model.type.ErrorType { |
duke@1 | 1734 | |
jjg@110 | 1735 | private Type originalType = null; |
jjg@110 | 1736 | |
jjg@110 | 1737 | public ErrorType(Type originalType, TypeSymbol tsym) { |
duke@1 | 1738 | super(noType, List.<Type>nil(), null); |
jjg@110 | 1739 | this.tsym = tsym; |
jjg@110 | 1740 | this.originalType = (originalType == null ? noType : originalType); |
duke@1 | 1741 | } |
duke@1 | 1742 | |
jjg@110 | 1743 | public ErrorType(ClassSymbol c, Type originalType) { |
jjg@110 | 1744 | this(originalType, c); |
duke@1 | 1745 | c.type = this; |
duke@1 | 1746 | c.kind = ERR; |
duke@1 | 1747 | c.members_field = new Scope.ErrorScope(c); |
duke@1 | 1748 | } |
duke@1 | 1749 | |
vromero@1853 | 1750 | @Override |
vromero@1853 | 1751 | public TypeTag getTag() { |
vromero@1853 | 1752 | return ERROR; |
vromero@1853 | 1753 | } |
vromero@1853 | 1754 | |
vromero@1853 | 1755 | @Override |
vromero@1853 | 1756 | public boolean isPartial() { |
vromero@1853 | 1757 | return true; |
vromero@1853 | 1758 | } |
vromero@1853 | 1759 | |
vromero@1853 | 1760 | @Override |
vromero@1853 | 1761 | public boolean isReference() { |
vromero@1853 | 1762 | return true; |
vromero@1853 | 1763 | } |
vromero@1853 | 1764 | |
vromero@1853 | 1765 | @Override |
vromero@1853 | 1766 | public boolean isNullOrReference() { |
vromero@1853 | 1767 | return true; |
vromero@1853 | 1768 | } |
vromero@1853 | 1769 | |
jjg@110 | 1770 | public ErrorType(Name name, TypeSymbol container, Type originalType) { |
jjg@110 | 1771 | this(new ClassSymbol(PUBLIC|STATIC|ACYCLIC, name, null, container), originalType); |
duke@1 | 1772 | } |
duke@1 | 1773 | |
duke@1 | 1774 | @Override |
duke@1 | 1775 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { |
duke@1 | 1776 | return v.visitErrorType(this, s); |
duke@1 | 1777 | } |
duke@1 | 1778 | |
duke@1 | 1779 | public Type constType(Object constValue) { return this; } |
jjg@1521 | 1780 | public Type getEnclosingType() { return this; } |
duke@1 | 1781 | public Type getReturnType() { return this; } |
duke@1 | 1782 | public Type asSub(Symbol sym) { return this; } |
duke@1 | 1783 | public Type map(Mapping f) { return this; } |
duke@1 | 1784 | |
duke@1 | 1785 | public boolean isGenType(Type t) { return true; } |
duke@1 | 1786 | public boolean isErroneous() { return true; } |
duke@1 | 1787 | public boolean isCompound() { return false; } |
duke@1 | 1788 | public boolean isInterface() { return false; } |
duke@1 | 1789 | |
duke@1 | 1790 | public List<Type> allparams() { return List.nil(); } |
duke@1 | 1791 | public List<Type> getTypeArguments() { return List.nil(); } |
duke@1 | 1792 | |
duke@1 | 1793 | public TypeKind getKind() { |
duke@1 | 1794 | return TypeKind.ERROR; |
duke@1 | 1795 | } |
duke@1 | 1796 | |
jjg@110 | 1797 | public Type getOriginalType() { |
jjg@110 | 1798 | return originalType; |
jjg@110 | 1799 | } |
jjg@110 | 1800 | |
duke@1 | 1801 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
duke@1 | 1802 | return v.visitError(this, p); |
duke@1 | 1803 | } |
duke@1 | 1804 | } |
duke@1 | 1805 | |
jjg@1521 | 1806 | public static class AnnotatedType extends Type |
jjg@1644 | 1807 | implements |
jjg@1644 | 1808 | javax.lang.model.type.ArrayType, |
jjg@1644 | 1809 | javax.lang.model.type.DeclaredType, |
jjg@1644 | 1810 | javax.lang.model.type.PrimitiveType, |
jjg@1644 | 1811 | javax.lang.model.type.TypeVariable, |
jjg@1644 | 1812 | javax.lang.model.type.WildcardType { |
jjg@1521 | 1813 | /** The type annotations on this type. |
jjg@1521 | 1814 | */ |
jjg@1521 | 1815 | public List<Attribute.TypeCompound> typeAnnotations; |
jjg@1521 | 1816 | |
jjg@1521 | 1817 | /** The underlying type that is annotated. |
jjg@1521 | 1818 | */ |
jjg@1521 | 1819 | public Type underlyingType; |
jjg@1521 | 1820 | |
jjg@1521 | 1821 | public AnnotatedType(Type underlyingType) { |
vromero@1853 | 1822 | super(underlyingType.tsym); |
jjg@1521 | 1823 | this.typeAnnotations = List.nil(); |
jjg@1521 | 1824 | this.underlyingType = underlyingType; |
jjg@1644 | 1825 | Assert.check(!underlyingType.isAnnotated(), |
jjg@1521 | 1826 | "Can't annotate already annotated type: " + underlyingType); |
jjg@1521 | 1827 | } |
jjg@1521 | 1828 | |
jjg@1521 | 1829 | public AnnotatedType(List<Attribute.TypeCompound> typeAnnotations, |
jjg@1521 | 1830 | Type underlyingType) { |
vromero@1853 | 1831 | super(underlyingType.tsym); |
jjg@1521 | 1832 | this.typeAnnotations = typeAnnotations; |
jjg@1521 | 1833 | this.underlyingType = underlyingType; |
jjg@1644 | 1834 | Assert.check(!underlyingType.isAnnotated(), |
jjg@1521 | 1835 | "Can't annotate already annotated type: " + underlyingType + |
jjg@1521 | 1836 | "; adding: " + typeAnnotations); |
jjg@1521 | 1837 | } |
jjg@1521 | 1838 | |
jjg@1521 | 1839 | @Override |
vromero@1853 | 1840 | public TypeTag getTag() { |
vromero@1853 | 1841 | return underlyingType.getTag(); |
vromero@1853 | 1842 | } |
vromero@1853 | 1843 | |
vromero@1853 | 1844 | @Override |
jjg@1644 | 1845 | public boolean isAnnotated() { |
jjg@1644 | 1846 | return true; |
jjg@1644 | 1847 | } |
jjg@1644 | 1848 | |
jjg@1644 | 1849 | @Override |
alundblad@2100 | 1850 | public List<Attribute.TypeCompound> getAnnotationMirrors() { |
jjg@1645 | 1851 | return typeAnnotations; |
jjg@1521 | 1852 | } |
jjg@1521 | 1853 | |
jjg@1645 | 1854 | |
jjg@1645 | 1855 | @Override |
jjg@1645 | 1856 | public TypeKind getKind() { |
jjg@1645 | 1857 | return underlyingType.getKind(); |
jjg@1521 | 1858 | } |
jjg@1521 | 1859 | |
jjg@1521 | 1860 | @Override |
jjg@1521 | 1861 | public Type unannotatedType() { |
jjg@1521 | 1862 | return underlyingType; |
jjg@1521 | 1863 | } |
jjg@1521 | 1864 | |
jjg@1521 | 1865 | @Override |
jjg@1521 | 1866 | public <R,S> R accept(Type.Visitor<R,S> v, S s) { |
jjg@1521 | 1867 | return v.visitAnnotatedType(this, s); |
jjg@1521 | 1868 | } |
jjg@1521 | 1869 | |
jjg@1521 | 1870 | @Override |
jjg@1521 | 1871 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
jjg@1644 | 1872 | return underlyingType.accept(v, p); |
jjg@1521 | 1873 | } |
jjg@1521 | 1874 | |
jjg@1521 | 1875 | @Override |
jjg@1521 | 1876 | public Type map(Mapping f) { |
jjg@1521 | 1877 | underlyingType.map(f); |
jjg@1521 | 1878 | return this; |
jjg@1521 | 1879 | } |
jjg@1521 | 1880 | |
jjg@1521 | 1881 | @Override |
jjg@1521 | 1882 | public Type constType(Object constValue) { return underlyingType.constType(constValue); } |
jjg@1521 | 1883 | @Override |
jjg@1521 | 1884 | public Type getEnclosingType() { return underlyingType.getEnclosingType(); } |
jjg@1521 | 1885 | |
jjg@1521 | 1886 | @Override |
jjg@1521 | 1887 | public Type getReturnType() { return underlyingType.getReturnType(); } |
jjg@1521 | 1888 | @Override |
jjg@1521 | 1889 | public List<Type> getTypeArguments() { return underlyingType.getTypeArguments(); } |
jjg@1521 | 1890 | @Override |
jjg@1521 | 1891 | public List<Type> getParameterTypes() { return underlyingType.getParameterTypes(); } |
jjg@1521 | 1892 | @Override |
jjg@1521 | 1893 | public Type getReceiverType() { return underlyingType.getReceiverType(); } |
jjg@1521 | 1894 | @Override |
jjg@1521 | 1895 | public List<Type> getThrownTypes() { return underlyingType.getThrownTypes(); } |
jjg@1521 | 1896 | @Override |
jjg@1521 | 1897 | public Type getUpperBound() { return underlyingType.getUpperBound(); } |
jjg@1521 | 1898 | @Override |
jjg@1521 | 1899 | public Type getLowerBound() { return underlyingType.getLowerBound(); } |
jjg@1521 | 1900 | |
jjg@1521 | 1901 | @Override |
jjg@1521 | 1902 | public boolean isErroneous() { return underlyingType.isErroneous(); } |
jjg@1521 | 1903 | @Override |
jjg@1521 | 1904 | public boolean isCompound() { return underlyingType.isCompound(); } |
jjg@1521 | 1905 | @Override |
jjg@1521 | 1906 | public boolean isInterface() { return underlyingType.isInterface(); } |
jjg@1521 | 1907 | @Override |
jjg@1521 | 1908 | public List<Type> allparams() { return underlyingType.allparams(); } |
jjg@1521 | 1909 | @Override |
vromero@1853 | 1910 | public boolean isPrimitive() { return underlyingType.isPrimitive(); } |
vromero@1853 | 1911 | @Override |
vromero@1853 | 1912 | public boolean isPrimitiveOrVoid() { return underlyingType.isPrimitiveOrVoid(); } |
vromero@1853 | 1913 | @Override |
jjg@1521 | 1914 | public boolean isNumeric() { return underlyingType.isNumeric(); } |
jjg@1521 | 1915 | @Override |
jjg@1521 | 1916 | public boolean isReference() { return underlyingType.isReference(); } |
jjg@1521 | 1917 | @Override |
vromero@1853 | 1918 | public boolean isNullOrReference() { return underlyingType.isNullOrReference(); } |
vromero@1853 | 1919 | @Override |
vromero@1853 | 1920 | public boolean isPartial() { return underlyingType.isPartial(); } |
vromero@1853 | 1921 | @Override |
jjg@1521 | 1922 | public boolean isParameterized() { return underlyingType.isParameterized(); } |
jjg@1521 | 1923 | @Override |
jjg@1521 | 1924 | public boolean isRaw() { return underlyingType.isRaw(); } |
jjg@1521 | 1925 | @Override |
jjg@1521 | 1926 | public boolean isFinal() { return underlyingType.isFinal(); } |
jjg@1521 | 1927 | @Override |
jjg@1521 | 1928 | public boolean isSuperBound() { return underlyingType.isSuperBound(); } |
jjg@1521 | 1929 | @Override |
jjg@1521 | 1930 | public boolean isExtendsBound() { return underlyingType.isExtendsBound(); } |
jjg@1521 | 1931 | @Override |
jjg@1521 | 1932 | public boolean isUnbound() { return underlyingType.isUnbound(); } |
jjg@1521 | 1933 | |
jjg@1521 | 1934 | @Override |
jjg@1521 | 1935 | public String toString() { |
jjg@1755 | 1936 | // This method is only used for internal debugging output. |
jjg@1755 | 1937 | // See |
jjg@1755 | 1938 | // com.sun.tools.javac.code.Printer.visitAnnotatedType(AnnotatedType, Locale) |
jjg@1755 | 1939 | // for the user-visible logic. |
jjg@1521 | 1940 | if (typeAnnotations != null && |
jjg@1521 | 1941 | !typeAnnotations.isEmpty()) { |
jjg@1521 | 1942 | return "(" + typeAnnotations.toString() + " :: " + underlyingType.toString() + ")"; |
jjg@1521 | 1943 | } else { |
jjg@1521 | 1944 | return "({} :: " + underlyingType.toString() +")"; |
jjg@1521 | 1945 | } |
jjg@1521 | 1946 | } |
jjg@1521 | 1947 | |
jjg@1521 | 1948 | @Override |
jjg@1521 | 1949 | public boolean contains(Type t) { return underlyingType.contains(t); } |
jjg@1521 | 1950 | |
jjg@1521 | 1951 | @Override |
jjg@1755 | 1952 | public Type withTypeVar(Type t) { |
jjg@1755 | 1953 | // Don't create a new AnnotatedType, as 'this' will |
jjg@1755 | 1954 | // get its annotations set later. |
jjg@1755 | 1955 | underlyingType = underlyingType.withTypeVar(t); |
jjg@1755 | 1956 | return this; |
jjg@1755 | 1957 | } |
jjg@1521 | 1958 | |
jjg@1521 | 1959 | // TODO: attach annotations? |
jjg@1521 | 1960 | @Override |
jjg@1521 | 1961 | public TypeSymbol asElement() { return underlyingType.asElement(); } |
jjg@1521 | 1962 | |
jjg@1521 | 1963 | // TODO: attach annotations? |
jjg@1521 | 1964 | @Override |
jjg@1521 | 1965 | public MethodType asMethodType() { return underlyingType.asMethodType(); } |
jjg@1521 | 1966 | |
jjg@1521 | 1967 | @Override |
jjg@1521 | 1968 | public void complete() { underlyingType.complete(); } |
jjg@1521 | 1969 | |
jjg@1521 | 1970 | @Override |
jjg@1521 | 1971 | public TypeMirror getComponentType() { return ((ArrayType)underlyingType).getComponentType(); } |
jjg@1521 | 1972 | |
jjg@1521 | 1973 | // The result is an ArrayType, but only in the model sense, not the Type sense. |
jjg@1521 | 1974 | public AnnotatedType makeVarargs() { |
jjg@1521 | 1975 | AnnotatedType atype = new AnnotatedType(((ArrayType)underlyingType).makeVarargs()); |
jjg@1521 | 1976 | atype.typeAnnotations = this.typeAnnotations; |
jjg@1521 | 1977 | return atype; |
jjg@1521 | 1978 | } |
jjg@1521 | 1979 | |
jjg@1521 | 1980 | @Override |
jjg@1521 | 1981 | public TypeMirror getExtendsBound() { return ((WildcardType)underlyingType).getExtendsBound(); } |
jjg@1521 | 1982 | @Override |
jjg@1521 | 1983 | public TypeMirror getSuperBound() { return ((WildcardType)underlyingType).getSuperBound(); } |
jjg@1521 | 1984 | } |
jjg@1521 | 1985 | |
vromero@1853 | 1986 | public static class UnknownType extends Type { |
vromero@1853 | 1987 | |
vromero@1853 | 1988 | public UnknownType() { |
vromero@1853 | 1989 | super(null); |
vromero@1853 | 1990 | } |
vromero@1853 | 1991 | |
vromero@1853 | 1992 | @Override |
vromero@1853 | 1993 | public TypeTag getTag() { |
vromero@1853 | 1994 | return UNKNOWN; |
vromero@1853 | 1995 | } |
vromero@1853 | 1996 | |
vromero@1853 | 1997 | @Override |
vromero@1853 | 1998 | public <R, P> R accept(TypeVisitor<R, P> v, P p) { |
vromero@1853 | 1999 | return v.visitUnknown(this, p); |
vromero@1853 | 2000 | } |
vromero@1853 | 2001 | |
vromero@1853 | 2002 | @Override |
vromero@1853 | 2003 | public boolean isPartial() { |
vromero@1853 | 2004 | return true; |
vromero@1853 | 2005 | } |
vromero@1853 | 2006 | } |
vromero@1853 | 2007 | |
duke@1 | 2008 | /** |
duke@1 | 2009 | * A visitor for types. A visitor is used to implement operations |
duke@1 | 2010 | * (or relations) on types. Most common operations on types are |
duke@1 | 2011 | * binary relations and this interface is designed for binary |
jjg@1521 | 2012 | * relations, that is, operations of the form |
duke@1 | 2013 | * Type × S → R. |
duke@1 | 2014 | * <!-- In plain text: Type x S -> R --> |
duke@1 | 2015 | * |
duke@1 | 2016 | * @param <R> the return type of the operation implemented by this |
duke@1 | 2017 | * visitor; use Void if no return type is needed. |
duke@1 | 2018 | * @param <S> the type of the second argument (the first being the |
duke@1 | 2019 | * type itself) of the operation implemented by this visitor; use |
duke@1 | 2020 | * Void if a second argument is not needed. |
duke@1 | 2021 | */ |
duke@1 | 2022 | public interface Visitor<R,S> { |
duke@1 | 2023 | R visitClassType(ClassType t, S s); |
duke@1 | 2024 | R visitWildcardType(WildcardType t, S s); |
duke@1 | 2025 | R visitArrayType(ArrayType t, S s); |
duke@1 | 2026 | R visitMethodType(MethodType t, S s); |
duke@1 | 2027 | R visitPackageType(PackageType t, S s); |
duke@1 | 2028 | R visitTypeVar(TypeVar t, S s); |
duke@1 | 2029 | R visitCapturedType(CapturedType t, S s); |
duke@1 | 2030 | R visitForAll(ForAll t, S s); |
duke@1 | 2031 | R visitUndetVar(UndetVar t, S s); |
duke@1 | 2032 | R visitErrorType(ErrorType t, S s); |
jjg@1521 | 2033 | R visitAnnotatedType(AnnotatedType t, S s); |
duke@1 | 2034 | R visitType(Type t, S s); |
duke@1 | 2035 | } |
duke@1 | 2036 | } |