src/share/classes/com/sun/tools/javac/code/Symtab.java

Fri, 31 Aug 2012 10:37:46 +0100

author
jfranck
date
Fri, 31 Aug 2012 10:37:46 +0100
changeset 1313
873ddd9f4900
parent 1239
2827076dbf64
child 1326
30c36e23f154
permissions
-rw-r--r--

7151010: Add compiler support for repeating annotations
Reviewed-by: jjg, mcimadamore

duke@1 1 /*
jjg@1230 2 * Copyright (c) 1999, 2012, 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
duke@1 28 import java.util.*;
jjg@900 29 import javax.lang.model.type.TypeVisitor;
jjg@900 30 import javax.lang.model.element.ElementVisitor;
duke@1 31
duke@1 32 import com.sun.tools.javac.util.*;
duke@1 33 import com.sun.tools.javac.util.List;
duke@1 34 import com.sun.tools.javac.code.Symbol.*;
duke@1 35 import com.sun.tools.javac.code.Type.*;
duke@1 36 import com.sun.tools.javac.jvm.*;
duke@1 37
duke@1 38 import static com.sun.tools.javac.jvm.ByteCodes.*;
duke@1 39 import static com.sun.tools.javac.code.Flags.*;
duke@1 40
duke@1 41 /** A class that defines all predefined constants and operators
duke@1 42 * as well as special classes such as java.lang.Object, which need
duke@1 43 * to be known to the compiler. All symbols are held in instance
duke@1 44 * fields. This makes it possible to work in multiple concurrent
duke@1 45 * projects, which might use different class files for library classes.
duke@1 46 *
jjg@581 47 * <p><b>This is NOT part of any supported API.
jjg@581 48 * If you write code that depends on this, you do so at your own risk.
duke@1 49 * This code and its internal interfaces are subject to change or
duke@1 50 * deletion without notice.</b>
duke@1 51 */
duke@1 52 public class Symtab {
duke@1 53 /** The context key for the symbol table. */
duke@1 54 protected static final Context.Key<Symtab> symtabKey =
duke@1 55 new Context.Key<Symtab>();
duke@1 56
duke@1 57 /** Get the symbol table instance. */
duke@1 58 public static Symtab instance(Context context) {
duke@1 59 Symtab instance = context.get(symtabKey);
duke@1 60 if (instance == null)
duke@1 61 instance = new Symtab(context);
duke@1 62 return instance;
duke@1 63 }
duke@1 64
duke@1 65 /** Builtin types.
duke@1 66 */
duke@1 67 public final Type byteType = new Type(TypeTags.BYTE, null);
duke@1 68 public final Type charType = new Type(TypeTags.CHAR, null);
duke@1 69 public final Type shortType = new Type(TypeTags.SHORT, null);
duke@1 70 public final Type intType = new Type(TypeTags.INT, null);
duke@1 71 public final Type longType = new Type(TypeTags.LONG, null);
duke@1 72 public final Type floatType = new Type(TypeTags.FLOAT, null);
duke@1 73 public final Type doubleType = new Type(TypeTags.DOUBLE, null);
duke@1 74 public final Type booleanType = new Type(TypeTags.BOOLEAN, null);
duke@1 75 public final Type botType = new BottomType();
duke@1 76 public final JCNoType voidType = new JCNoType(TypeTags.VOID);
duke@1 77
jjg@113 78 private final Names names;
duke@1 79 private final ClassReader reader;
jjg@86 80 private final Target target;
duke@1 81
duke@1 82 /** A symbol for the root package.
duke@1 83 */
duke@1 84 public final PackageSymbol rootPackage;
duke@1 85
duke@1 86 /** A symbol for the unnamed package.
duke@1 87 */
duke@1 88 public final PackageSymbol unnamedPackage;
duke@1 89
duke@1 90 /** A symbol that stands for a missing symbol.
duke@1 91 */
duke@1 92 public final TypeSymbol noSymbol;
duke@1 93
duke@1 94 /** The error symbol.
duke@1 95 */
duke@1 96 public final ClassSymbol errSymbol;
duke@1 97
mcimadamore@676 98 /** The unknown symbol.
mcimadamore@676 99 */
mcimadamore@676 100 public final ClassSymbol unknownSymbol;
mcimadamore@676 101
jjg@110 102 /** A value for the errType, with a originalType of noType */
duke@1 103 public final Type errType;
duke@1 104
duke@1 105 /** A value for the unknown type. */
duke@1 106 public final Type unknownType;
duke@1 107
duke@1 108 /** The builtin type of all arrays. */
duke@1 109 public final ClassSymbol arrayClass;
duke@1 110 public final MethodSymbol arrayCloneMethod;
duke@1 111
duke@1 112 /** VGJ: The (singleton) type of all bound types. */
duke@1 113 public final ClassSymbol boundClass;
duke@1 114
duke@1 115 /** The builtin type of all methods. */
duke@1 116 public final ClassSymbol methodClass;
duke@1 117
duke@1 118 /** Predefined types.
duke@1 119 */
duke@1 120 public final Type objectType;
duke@1 121 public final Type classType;
duke@1 122 public final Type classLoaderType;
duke@1 123 public final Type stringType;
duke@1 124 public final Type stringBufferType;
duke@1 125 public final Type stringBuilderType;
duke@1 126 public final Type cloneableType;
duke@1 127 public final Type serializableType;
jrose@267 128 public final Type methodHandleType;
jjg@1230 129 public final Type nativeHeaderType;
duke@1 130 public final Type throwableType;
duke@1 131 public final Type errorType;
mcimadamore@951 132 public final Type interruptedExceptionType;
duke@1 133 public final Type illegalArgumentExceptionType;
duke@1 134 public final Type exceptionType;
duke@1 135 public final Type runtimeExceptionType;
duke@1 136 public final Type classNotFoundExceptionType;
duke@1 137 public final Type noClassDefFoundErrorType;
duke@1 138 public final Type noSuchFieldErrorType;
duke@1 139 public final Type assertionErrorType;
duke@1 140 public final Type cloneNotSupportedExceptionType;
duke@1 141 public final Type annotationType;
duke@1 142 public final TypeSymbol enumSym;
duke@1 143 public final Type listType;
duke@1 144 public final Type collectionsType;
duke@1 145 public final Type comparableType;
duke@1 146 public final Type arraysType;
duke@1 147 public final Type iterableType;
duke@1 148 public final Type iteratorType;
duke@1 149 public final Type annotationTargetType;
duke@1 150 public final Type overrideType;
duke@1 151 public final Type retentionType;
duke@1 152 public final Type deprecatedType;
duke@1 153 public final Type suppressWarningsType;
duke@1 154 public final Type inheritedType;
duke@1 155 public final Type proprietaryType;
jjg@86 156 public final Type systemType;
darcy@609 157 public final Type autoCloseableType;
mcimadamore@795 158 public final Type trustMeType;
jfranck@1313 159 public final Type containedByType;
jfranck@1313 160 public final Type containerForType;
jfranck@1313 161 public final Type documentedType;
jfranck@1313 162 public final Type elementTypeType;
duke@1 163
duke@1 164 /** The symbol representing the length field of an array.
duke@1 165 */
duke@1 166 public final VarSymbol lengthVar;
duke@1 167
duke@1 168 /** The null check operator. */
duke@1 169 public final OperatorSymbol nullcheck;
duke@1 170
duke@1 171 /** The symbol representing the final finalize method on enums */
duke@1 172 public final MethodSymbol enumFinalFinalize;
duke@1 173
darcy@609 174 /** The symbol representing the close method on TWR AutoCloseable type */
darcy@609 175 public final MethodSymbol autoCloseableClose;
darcy@609 176
duke@1 177 /** The predefined type that belongs to a tag.
duke@1 178 */
duke@1 179 public final Type[] typeOfTag = new Type[TypeTags.TypeTagCount];
duke@1 180
duke@1 181 /** The name of the class that belongs to a basix type tag.
duke@1 182 */
duke@1 183 public final Name[] boxedName = new Name[TypeTags.TypeTagCount];
duke@1 184
duke@1 185 /** A hashtable containing the encountered top-level and member classes,
duke@1 186 * indexed by flat names. The table does not contain local classes.
duke@1 187 * It should be updated from the outside to reflect classes defined
duke@1 188 * by compiled source files.
duke@1 189 */
duke@1 190 public final Map<Name, ClassSymbol> classes = new HashMap<Name, ClassSymbol>();
duke@1 191
duke@1 192 /** A hashtable containing the encountered packages.
duke@1 193 * the table should be updated from outside to reflect packages defined
duke@1 194 * by compiled source files.
duke@1 195 */
duke@1 196 public final Map<Name, PackageSymbol> packages = new HashMap<Name, PackageSymbol>();
duke@1 197
duke@1 198 public void initType(Type type, ClassSymbol c) {
duke@1 199 type.tsym = c;
duke@1 200 typeOfTag[type.tag] = type;
duke@1 201 }
duke@1 202
duke@1 203 public void initType(Type type, String name) {
duke@1 204 initType(
duke@1 205 type,
duke@1 206 new ClassSymbol(
duke@1 207 PUBLIC, names.fromString(name), type, rootPackage));
duke@1 208 }
duke@1 209
duke@1 210 public void initType(Type type, String name, String bname) {
duke@1 211 initType(type, name);
mcimadamore@357 212 boxedName[type.tag] = names.fromString("java.lang." + bname);
duke@1 213 }
duke@1 214
duke@1 215 /** The class symbol that owns all predefined symbols.
duke@1 216 */
duke@1 217 public final ClassSymbol predefClass;
duke@1 218
duke@1 219 /** Enter a constant into symbol table.
duke@1 220 * @param name The constant's name.
duke@1 221 * @param type The constant's type.
duke@1 222 */
duke@1 223 private VarSymbol enterConstant(String name, Type type) {
duke@1 224 VarSymbol c = new VarSymbol(
duke@1 225 PUBLIC | STATIC | FINAL,
duke@1 226 names.fromString(name),
duke@1 227 type,
duke@1 228 predefClass);
duke@1 229 c.setData(type.constValue());
duke@1 230 predefClass.members().enter(c);
duke@1 231 return c;
duke@1 232 }
duke@1 233
duke@1 234 /** Enter a binary operation into symbol table.
duke@1 235 * @param name The name of the operator.
duke@1 236 * @param left The type of the left operand.
duke@1 237 * @param right The type of the left operand.
duke@1 238 * @param res The operation's result type.
duke@1 239 * @param opcode The operation's bytecode instruction.
duke@1 240 */
duke@1 241 private void enterBinop(String name,
duke@1 242 Type left, Type right, Type res,
duke@1 243 int opcode) {
duke@1 244 predefClass.members().enter(
duke@1 245 new OperatorSymbol(
duke@1 246 names.fromString(name),
duke@1 247 new MethodType(List.of(left, right), res,
duke@1 248 List.<Type>nil(), methodClass),
duke@1 249 opcode,
duke@1 250 predefClass));
duke@1 251 }
duke@1 252
duke@1 253 /** Enter a binary operation, as above but with two opcodes,
duke@1 254 * which get encoded as (opcode1 << ByteCodeTags.preShift) + opcode2.
duke@1 255 * @param opcode1 First opcode.
duke@1 256 * @param opcode2 Second opcode.
duke@1 257 */
duke@1 258 private void enterBinop(String name,
duke@1 259 Type left, Type right, Type res,
duke@1 260 int opcode1, int opcode2) {
duke@1 261 enterBinop(
duke@1 262 name, left, right, res, (opcode1 << ByteCodes.preShift) | opcode2);
duke@1 263 }
duke@1 264
duke@1 265 /** Enter a unary operation into symbol table.
duke@1 266 * @param name The name of the operator.
duke@1 267 * @param arg The type of the operand.
duke@1 268 * @param res The operation's result type.
duke@1 269 * @param opcode The operation's bytecode instruction.
duke@1 270 */
duke@1 271 private OperatorSymbol enterUnop(String name,
duke@1 272 Type arg,
duke@1 273 Type res,
duke@1 274 int opcode) {
duke@1 275 OperatorSymbol sym =
duke@1 276 new OperatorSymbol(names.fromString(name),
duke@1 277 new MethodType(List.of(arg),
duke@1 278 res,
duke@1 279 List.<Type>nil(),
duke@1 280 methodClass),
duke@1 281 opcode,
duke@1 282 predefClass);
duke@1 283 predefClass.members().enter(sym);
duke@1 284 return sym;
duke@1 285 }
duke@1 286
duke@1 287 /** Enter a class into symbol table.
duke@1 288 * @param The name of the class.
duke@1 289 */
duke@1 290 private Type enterClass(String s) {
duke@1 291 return reader.enterClass(names.fromString(s)).type;
duke@1 292 }
duke@1 293
jjg@86 294 public void synthesizeEmptyInterfaceIfMissing(final Type type) {
jjg@86 295 final Completer completer = type.tsym.completer;
jjg@86 296 if (completer != null) {
jjg@86 297 type.tsym.completer = new Completer() {
jjg@86 298 public void complete(Symbol sym) throws CompletionFailure {
jjg@86 299 try {
jjg@86 300 completer.complete(sym);
jjg@86 301 } catch (CompletionFailure e) {
jjg@86 302 sym.flags_field |= (PUBLIC | INTERFACE);
jjg@86 303 ((ClassType) sym.type).supertype_field = objectType;
jjg@86 304 }
jjg@86 305 }
jjg@86 306 };
jjg@86 307 }
jjg@86 308 }
jjg@86 309
jjg@86 310 public void synthesizeBoxTypeIfMissing(final Type type) {
jjg@86 311 ClassSymbol sym = reader.enterClass(boxedName[type.tag]);
jjg@86 312 final Completer completer = sym.completer;
jjg@86 313 if (completer != null) {
jjg@86 314 sym.completer = new Completer() {
jjg@86 315 public void complete(Symbol sym) throws CompletionFailure {
jjg@86 316 try {
jjg@86 317 completer.complete(sym);
jjg@86 318 } catch (CompletionFailure e) {
jjg@86 319 sym.flags_field |= PUBLIC;
jjg@86 320 ((ClassType) sym.type).supertype_field = objectType;
jjg@86 321 Name n = target.boxWithConstructors() ? names.init : names.valueOf;
jjg@86 322 MethodSymbol boxMethod =
jjg@86 323 new MethodSymbol(PUBLIC | STATIC,
jjg@86 324 n,
jjg@86 325 new MethodType(List.of(type), sym.type,
jjg@86 326 List.<Type>nil(), methodClass),
jjg@86 327 sym);
jjg@86 328 sym.members().enter(boxMethod);
jjg@86 329 MethodSymbol unboxMethod =
jjg@86 330 new MethodSymbol(PUBLIC,
jjg@86 331 type.tsym.name.append(names.Value), // x.intValue()
jjg@86 332 new MethodType(List.<Type>nil(), type,
jjg@86 333 List.<Type>nil(), methodClass),
jjg@86 334 sym);
jjg@86 335 sym.members().enter(unboxMethod);
jjg@86 336 }
jjg@86 337 }
jjg@86 338 };
jjg@86 339 }
jjg@86 340
jjg@86 341 }
jjg@86 342
duke@1 343 /** Constructor; enters all predefined identifiers and operators
duke@1 344 * into symbol table.
duke@1 345 */
duke@1 346 protected Symtab(Context context) throws CompletionFailure {
duke@1 347 context.put(symtabKey, this);
duke@1 348
jjg@113 349 names = Names.instance(context);
jjg@86 350 target = Target.instance(context);
duke@1 351
duke@1 352 // Create the unknown type
jjg@900 353 unknownType = new Type(TypeTags.UNKNOWN, null) {
jjg@900 354 @Override
jjg@900 355 public <R, P> R accept(TypeVisitor<R, P> v, P p) {
jjg@900 356 return v.visitUnknown(this, p);
jjg@900 357 }
jjg@900 358 };
duke@1 359
duke@1 360 // create the basic builtin symbols
duke@1 361 rootPackage = new PackageSymbol(names.empty, null);
mcimadamore@136 362 final JavacMessages messages = JavacMessages.instance(context);
duke@1 363 unnamedPackage = new PackageSymbol(names.empty, rootPackage) {
duke@1 364 public String toString() {
duke@1 365 return messages.getLocalizedString("compiler.misc.unnamed.package");
duke@1 366 }
duke@1 367 };
jjg@900 368 noSymbol = new TypeSymbol(0, names.empty, Type.noType, rootPackage) {
jjg@900 369 public <R, P> R accept(ElementVisitor<R, P> v, P p) {
jjg@900 370 return v.visitUnknown(this, p);
jjg@900 371 }
jjg@900 372 };
duke@1 373 noSymbol.kind = Kinds.NIL;
duke@1 374
duke@1 375 // create the error symbols
duke@1 376 errSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.any, null, rootPackage);
jjg@900 377 errType = new ErrorType(errSymbol, Type.noType);
jjg@900 378
mcimadamore@676 379 unknownSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.fromString("<any?>"), null, rootPackage);
jjg@900 380 unknownSymbol.members_field = new Scope.ErrorScope(unknownSymbol);
jjg@900 381 unknownSymbol.type = unknownType;
duke@1 382
duke@1 383 // initialize builtin types
duke@1 384 initType(byteType, "byte", "Byte");
duke@1 385 initType(shortType, "short", "Short");
duke@1 386 initType(charType, "char", "Character");
duke@1 387 initType(intType, "int", "Integer");
duke@1 388 initType(longType, "long", "Long");
duke@1 389 initType(floatType, "float", "Float");
duke@1 390 initType(doubleType, "double", "Double");
duke@1 391 initType(booleanType, "boolean", "Boolean");
duke@1 392 initType(voidType, "void", "Void");
duke@1 393 initType(botType, "<nulltype>");
duke@1 394 initType(errType, errSymbol);
mcimadamore@676 395 initType(unknownType, unknownSymbol);
duke@1 396
duke@1 397 // the builtin class of all arrays
duke@1 398 arrayClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Array, noSymbol);
duke@1 399
duke@1 400 // VGJ
duke@1 401 boundClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Bound, noSymbol);
jjg@900 402 boundClass.members_field = new Scope.ErrorScope(boundClass);
duke@1 403
duke@1 404 // the builtin class of all methods
duke@1 405 methodClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Method, noSymbol);
jjg@900 406 methodClass.members_field = new Scope.ErrorScope(boundClass);
duke@1 407
duke@1 408 // Create class to hold all predefined constants and operations.
duke@1 409 predefClass = new ClassSymbol(PUBLIC|ACYCLIC, names.empty, rootPackage);
mcimadamore@858 410 Scope scope = new Scope(predefClass);
duke@1 411 predefClass.members_field = scope;
duke@1 412
duke@1 413 // Enter symbols for basic types.
duke@1 414 scope.enter(byteType.tsym);
duke@1 415 scope.enter(shortType.tsym);
duke@1 416 scope.enter(charType.tsym);
duke@1 417 scope.enter(intType.tsym);
duke@1 418 scope.enter(longType.tsym);
duke@1 419 scope.enter(floatType.tsym);
duke@1 420 scope.enter(doubleType.tsym);
duke@1 421 scope.enter(booleanType.tsym);
duke@1 422 scope.enter(errType.tsym);
duke@1 423
jjg@110 424 // Enter symbol for the errSymbol
jjg@110 425 scope.enter(errSymbol);
jjg@110 426
duke@1 427 classes.put(predefClass.fullname, predefClass);
duke@1 428
duke@1 429 reader = ClassReader.instance(context);
duke@1 430 reader.init(this);
duke@1 431
duke@1 432 // Enter predefined classes.
duke@1 433 objectType = enterClass("java.lang.Object");
duke@1 434 classType = enterClass("java.lang.Class");
duke@1 435 stringType = enterClass("java.lang.String");
duke@1 436 stringBufferType = enterClass("java.lang.StringBuffer");
duke@1 437 stringBuilderType = enterClass("java.lang.StringBuilder");
duke@1 438 cloneableType = enterClass("java.lang.Cloneable");
duke@1 439 throwableType = enterClass("java.lang.Throwable");
duke@1 440 serializableType = enterClass("java.io.Serializable");
mcimadamore@857 441 methodHandleType = enterClass("java.lang.invoke.MethodHandle");
duke@1 442 errorType = enterClass("java.lang.Error");
duke@1 443 illegalArgumentExceptionType = enterClass("java.lang.IllegalArgumentException");
mcimadamore@951 444 interruptedExceptionType = enterClass("java.lang.InterruptedException");
duke@1 445 exceptionType = enterClass("java.lang.Exception");
duke@1 446 runtimeExceptionType = enterClass("java.lang.RuntimeException");
duke@1 447 classNotFoundExceptionType = enterClass("java.lang.ClassNotFoundException");
duke@1 448 noClassDefFoundErrorType = enterClass("java.lang.NoClassDefFoundError");
duke@1 449 noSuchFieldErrorType = enterClass("java.lang.NoSuchFieldError");
duke@1 450 assertionErrorType = enterClass("java.lang.AssertionError");
duke@1 451 cloneNotSupportedExceptionType = enterClass("java.lang.CloneNotSupportedException");
duke@1 452 annotationType = enterClass("java.lang.annotation.Annotation");
duke@1 453 classLoaderType = enterClass("java.lang.ClassLoader");
duke@1 454 enumSym = reader.enterClass(names.java_lang_Enum);
duke@1 455 enumFinalFinalize =
duke@1 456 new MethodSymbol(PROTECTED|FINAL|HYPOTHETICAL,
duke@1 457 names.finalize,
duke@1 458 new MethodType(List.<Type>nil(), voidType,
duke@1 459 List.<Type>nil(), methodClass),
duke@1 460 enumSym);
duke@1 461 listType = enterClass("java.util.List");
duke@1 462 collectionsType = enterClass("java.util.Collections");
duke@1 463 comparableType = enterClass("java.lang.Comparable");
duke@1 464 arraysType = enterClass("java.util.Arrays");
jjg@86 465 iterableType = target.hasIterable()
duke@1 466 ? enterClass("java.lang.Iterable")
duke@1 467 : enterClass("java.util.Collection");
duke@1 468 iteratorType = enterClass("java.util.Iterator");
duke@1 469 annotationTargetType = enterClass("java.lang.annotation.Target");
duke@1 470 overrideType = enterClass("java.lang.Override");
duke@1 471 retentionType = enterClass("java.lang.annotation.Retention");
duke@1 472 deprecatedType = enterClass("java.lang.Deprecated");
duke@1 473 suppressWarningsType = enterClass("java.lang.SuppressWarnings");
duke@1 474 inheritedType = enterClass("java.lang.annotation.Inherited");
jfranck@1313 475 containedByType = enterClass("java.lang.annotation.ContainedBy");
jfranck@1313 476 containerForType = enterClass("java.lang.annotation.ContainerFor");
jfranck@1313 477 documentedType = enterClass("java.lang.annotation.Documented");
jfranck@1313 478 elementTypeType = enterClass("java.lang.annotation.ElementType");
jjg@86 479 systemType = enterClass("java.lang.System");
darcy@609 480 autoCloseableType = enterClass("java.lang.AutoCloseable");
darcy@609 481 autoCloseableClose = new MethodSymbol(PUBLIC,
darcy@609 482 names.close,
darcy@609 483 new MethodType(List.<Type>nil(), voidType,
darcy@609 484 List.of(exceptionType), methodClass),
darcy@609 485 autoCloseableType.tsym);
mcimadamore@795 486 trustMeType = enterClass("java.lang.SafeVarargs");
jjg@1230 487 nativeHeaderType = enterClass("javax.tools.annotation.GenerateNativeHeader");
jjg@86 488
mcimadamore@951 489 synthesizeEmptyInterfaceIfMissing(autoCloseableType);
jjg@86 490 synthesizeEmptyInterfaceIfMissing(cloneableType);
jjg@86 491 synthesizeEmptyInterfaceIfMissing(serializableType);
jjg@86 492 synthesizeBoxTypeIfMissing(doubleType);
jjg@86 493 synthesizeBoxTypeIfMissing(floatType);
mcimadamore@357 494 synthesizeBoxTypeIfMissing(voidType);
duke@1 495
jjg@582 496 // Enter a synthetic class that is used to mark internal
duke@1 497 // proprietary classes in ct.sym. This class does not have a
duke@1 498 // class file.
duke@1 499 ClassType proprietaryType = (ClassType)enterClass("sun.Proprietary+Annotation");
duke@1 500 this.proprietaryType = proprietaryType;
duke@1 501 ClassSymbol proprietarySymbol = (ClassSymbol)proprietaryType.tsym;
duke@1 502 proprietarySymbol.completer = null;
duke@1 503 proprietarySymbol.flags_field = PUBLIC|ACYCLIC|ANNOTATION|INTERFACE;
duke@1 504 proprietarySymbol.erasure_field = proprietaryType;
mcimadamore@858 505 proprietarySymbol.members_field = new Scope(proprietarySymbol);
duke@1 506 proprietaryType.typarams_field = List.nil();
duke@1 507 proprietaryType.allparams_field = List.nil();
duke@1 508 proprietaryType.supertype_field = annotationType;
duke@1 509 proprietaryType.interfaces_field = List.nil();
duke@1 510
duke@1 511 // Enter a class for arrays.
duke@1 512 // The class implements java.lang.Cloneable and java.io.Serializable.
duke@1 513 // It has a final length field and a clone method.
duke@1 514 ClassType arrayClassType = (ClassType)arrayClass.type;
duke@1 515 arrayClassType.supertype_field = objectType;
duke@1 516 arrayClassType.interfaces_field = List.of(cloneableType, serializableType);
mcimadamore@858 517 arrayClass.members_field = new Scope(arrayClass);
duke@1 518 lengthVar = new VarSymbol(
duke@1 519 PUBLIC | FINAL,
duke@1 520 names.length,
duke@1 521 intType,
duke@1 522 arrayClass);
duke@1 523 arrayClass.members().enter(lengthVar);
duke@1 524 arrayCloneMethod = new MethodSymbol(
duke@1 525 PUBLIC,
duke@1 526 names.clone,
duke@1 527 new MethodType(List.<Type>nil(), objectType,
duke@1 528 List.<Type>nil(), methodClass),
duke@1 529 arrayClass);
duke@1 530 arrayClass.members().enter(arrayCloneMethod);
duke@1 531
duke@1 532 // Enter operators.
duke@1 533 enterUnop("+", doubleType, doubleType, nop);
duke@1 534 enterUnop("+", floatType, floatType, nop);
duke@1 535 enterUnop("+", longType, longType, nop);
duke@1 536 enterUnop("+", intType, intType, nop);
duke@1 537
duke@1 538 enterUnop("-", doubleType, doubleType, dneg);
duke@1 539 enterUnop("-", floatType, floatType, fneg);
duke@1 540 enterUnop("-", longType, longType, lneg);
duke@1 541 enterUnop("-", intType, intType, ineg);
duke@1 542
duke@1 543 enterUnop("~", longType, longType, lxor);
duke@1 544 enterUnop("~", intType, intType, ixor);
duke@1 545
duke@1 546 enterUnop("++", doubleType, doubleType, dadd);
duke@1 547 enterUnop("++", floatType, floatType, fadd);
duke@1 548 enterUnop("++", longType, longType, ladd);
duke@1 549 enterUnop("++", intType, intType, iadd);
duke@1 550 enterUnop("++", charType, charType, iadd);
duke@1 551 enterUnop("++", shortType, shortType, iadd);
duke@1 552 enterUnop("++", byteType, byteType, iadd);
duke@1 553
duke@1 554 enterUnop("--", doubleType, doubleType, dsub);
duke@1 555 enterUnop("--", floatType, floatType, fsub);
duke@1 556 enterUnop("--", longType, longType, lsub);
duke@1 557 enterUnop("--", intType, intType, isub);
duke@1 558 enterUnop("--", charType, charType, isub);
duke@1 559 enterUnop("--", shortType, shortType, isub);
duke@1 560 enterUnop("--", byteType, byteType, isub);
duke@1 561
duke@1 562 enterUnop("!", booleanType, booleanType, bool_not);
duke@1 563 nullcheck = enterUnop("<*nullchk*>", objectType, objectType, nullchk);
duke@1 564
duke@1 565 // string concatenation
duke@1 566 enterBinop("+", stringType, objectType, stringType, string_add);
duke@1 567 enterBinop("+", objectType, stringType, stringType, string_add);
duke@1 568 enterBinop("+", stringType, stringType, stringType, string_add);
duke@1 569 enterBinop("+", stringType, intType, stringType, string_add);
duke@1 570 enterBinop("+", stringType, longType, stringType, string_add);
duke@1 571 enterBinop("+", stringType, floatType, stringType, string_add);
duke@1 572 enterBinop("+", stringType, doubleType, stringType, string_add);
duke@1 573 enterBinop("+", stringType, booleanType, stringType, string_add);
duke@1 574 enterBinop("+", stringType, botType, stringType, string_add);
duke@1 575 enterBinop("+", intType, stringType, stringType, string_add);
duke@1 576 enterBinop("+", longType, stringType, stringType, string_add);
duke@1 577 enterBinop("+", floatType, stringType, stringType, string_add);
duke@1 578 enterBinop("+", doubleType, stringType, stringType, string_add);
duke@1 579 enterBinop("+", booleanType, stringType, stringType, string_add);
duke@1 580 enterBinop("+", botType, stringType, stringType, string_add);
duke@1 581
duke@1 582 // these errors would otherwise be matched as string concatenation
duke@1 583 enterBinop("+", botType, botType, botType, error);
duke@1 584 enterBinop("+", botType, intType, botType, error);
duke@1 585 enterBinop("+", botType, longType, botType, error);
duke@1 586 enterBinop("+", botType, floatType, botType, error);
duke@1 587 enterBinop("+", botType, doubleType, botType, error);
duke@1 588 enterBinop("+", botType, booleanType, botType, error);
duke@1 589 enterBinop("+", botType, objectType, botType, error);
duke@1 590 enterBinop("+", intType, botType, botType, error);
duke@1 591 enterBinop("+", longType, botType, botType, error);
duke@1 592 enterBinop("+", floatType, botType, botType, error);
duke@1 593 enterBinop("+", doubleType, botType, botType, error);
duke@1 594 enterBinop("+", booleanType, botType, botType, error);
duke@1 595 enterBinop("+", objectType, botType, botType, error);
duke@1 596
duke@1 597 enterBinop("+", doubleType, doubleType, doubleType, dadd);
duke@1 598 enterBinop("+", floatType, floatType, floatType, fadd);
duke@1 599 enterBinop("+", longType, longType, longType, ladd);
duke@1 600 enterBinop("+", intType, intType, intType, iadd);
duke@1 601
duke@1 602 enterBinop("-", doubleType, doubleType, doubleType, dsub);
duke@1 603 enterBinop("-", floatType, floatType, floatType, fsub);
duke@1 604 enterBinop("-", longType, longType, longType, lsub);
duke@1 605 enterBinop("-", intType, intType, intType, isub);
duke@1 606
duke@1 607 enterBinop("*", doubleType, doubleType, doubleType, dmul);
duke@1 608 enterBinop("*", floatType, floatType, floatType, fmul);
duke@1 609 enterBinop("*", longType, longType, longType, lmul);
duke@1 610 enterBinop("*", intType, intType, intType, imul);
duke@1 611
duke@1 612 enterBinop("/", doubleType, doubleType, doubleType, ddiv);
duke@1 613 enterBinop("/", floatType, floatType, floatType, fdiv);
duke@1 614 enterBinop("/", longType, longType, longType, ldiv);
duke@1 615 enterBinop("/", intType, intType, intType, idiv);
duke@1 616
duke@1 617 enterBinop("%", doubleType, doubleType, doubleType, dmod);
duke@1 618 enterBinop("%", floatType, floatType, floatType, fmod);
duke@1 619 enterBinop("%", longType, longType, longType, lmod);
duke@1 620 enterBinop("%", intType, intType, intType, imod);
duke@1 621
duke@1 622 enterBinop("&", booleanType, booleanType, booleanType, iand);
duke@1 623 enterBinop("&", longType, longType, longType, land);
duke@1 624 enterBinop("&", intType, intType, intType, iand);
duke@1 625
duke@1 626 enterBinop("|", booleanType, booleanType, booleanType, ior);
duke@1 627 enterBinop("|", longType, longType, longType, lor);
duke@1 628 enterBinop("|", intType, intType, intType, ior);
duke@1 629
duke@1 630 enterBinop("^", booleanType, booleanType, booleanType, ixor);
duke@1 631 enterBinop("^", longType, longType, longType, lxor);
duke@1 632 enterBinop("^", intType, intType, intType, ixor);
duke@1 633
duke@1 634 enterBinop("<<", longType, longType, longType, lshll);
duke@1 635 enterBinop("<<", intType, longType, intType, ishll);
duke@1 636 enterBinop("<<", longType, intType, longType, lshl);
duke@1 637 enterBinop("<<", intType, intType, intType, ishl);
duke@1 638
duke@1 639 enterBinop(">>", longType, longType, longType, lshrl);
duke@1 640 enterBinop(">>", intType, longType, intType, ishrl);
duke@1 641 enterBinop(">>", longType, intType, longType, lshr);
duke@1 642 enterBinop(">>", intType, intType, intType, ishr);
duke@1 643
duke@1 644 enterBinop(">>>", longType, longType, longType, lushrl);
duke@1 645 enterBinop(">>>", intType, longType, intType, iushrl);
duke@1 646 enterBinop(">>>", longType, intType, longType, lushr);
duke@1 647 enterBinop(">>>", intType, intType, intType, iushr);
duke@1 648
duke@1 649 enterBinop("<", doubleType, doubleType, booleanType, dcmpg, iflt);
duke@1 650 enterBinop("<", floatType, floatType, booleanType, fcmpg, iflt);
duke@1 651 enterBinop("<", longType, longType, booleanType, lcmp, iflt);
duke@1 652 enterBinop("<", intType, intType, booleanType, if_icmplt);
duke@1 653
duke@1 654 enterBinop(">", doubleType, doubleType, booleanType, dcmpl, ifgt);
duke@1 655 enterBinop(">", floatType, floatType, booleanType, fcmpl, ifgt);
duke@1 656 enterBinop(">", longType, longType, booleanType, lcmp, ifgt);
duke@1 657 enterBinop(">", intType, intType, booleanType, if_icmpgt);
duke@1 658
duke@1 659 enterBinop("<=", doubleType, doubleType, booleanType, dcmpg, ifle);
duke@1 660 enterBinop("<=", floatType, floatType, booleanType, fcmpg, ifle);
duke@1 661 enterBinop("<=", longType, longType, booleanType, lcmp, ifle);
duke@1 662 enterBinop("<=", intType, intType, booleanType, if_icmple);
duke@1 663
duke@1 664 enterBinop(">=", doubleType, doubleType, booleanType, dcmpl, ifge);
duke@1 665 enterBinop(">=", floatType, floatType, booleanType, fcmpl, ifge);
duke@1 666 enterBinop(">=", longType, longType, booleanType, lcmp, ifge);
duke@1 667 enterBinop(">=", intType, intType, booleanType, if_icmpge);
duke@1 668
duke@1 669 enterBinop("==", objectType, objectType, booleanType, if_acmpeq);
duke@1 670 enterBinop("==", booleanType, booleanType, booleanType, if_icmpeq);
duke@1 671 enterBinop("==", doubleType, doubleType, booleanType, dcmpl, ifeq);
duke@1 672 enterBinop("==", floatType, floatType, booleanType, fcmpl, ifeq);
duke@1 673 enterBinop("==", longType, longType, booleanType, lcmp, ifeq);
duke@1 674 enterBinop("==", intType, intType, booleanType, if_icmpeq);
duke@1 675
duke@1 676 enterBinop("!=", objectType, objectType, booleanType, if_acmpne);
duke@1 677 enterBinop("!=", booleanType, booleanType, booleanType, if_icmpne);
duke@1 678 enterBinop("!=", doubleType, doubleType, booleanType, dcmpl, ifne);
duke@1 679 enterBinop("!=", floatType, floatType, booleanType, fcmpl, ifne);
duke@1 680 enterBinop("!=", longType, longType, booleanType, lcmp, ifne);
duke@1 681 enterBinop("!=", intType, intType, booleanType, if_icmpne);
duke@1 682
duke@1 683 enterBinop("&&", booleanType, booleanType, booleanType, bool_and);
duke@1 684 enterBinop("||", booleanType, booleanType, booleanType, bool_or);
duke@1 685 }
duke@1 686 }

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