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

Thu, 25 Oct 2012 11:09:36 -0700

author
jjg
date
Thu, 25 Oct 2012 11:09:36 -0700
changeset 1374
c002fdee76fd
parent 1358
fc123bdeddb8
child 1380
a65971893c50
permissions
-rw-r--r--

7200915: convert TypeTags from a series of small ints to an enum
Reviewed-by: jjg, mcimadamore
Contributed-by: vicente.romero@oracle.com

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@1357 29
jjg@1357 30 import javax.lang.model.element.ElementVisitor;
jjg@900 31 import javax.lang.model.type.TypeVisitor;
duke@1 32
duke@1 33 import com.sun.tools.javac.code.Symbol.*;
duke@1 34 import com.sun.tools.javac.code.Type.*;
duke@1 35 import com.sun.tools.javac.jvm.*;
jjg@1357 36 import com.sun.tools.javac.util.*;
jjg@1357 37 import com.sun.tools.javac.util.List;
jjg@1357 38 import static com.sun.tools.javac.code.Flags.*;
duke@1 39 import static com.sun.tools.javac.jvm.ByteCodes.*;
jjg@1374 40 import static com.sun.tools.javac.code.TypeTag.*;
duke@1 41
duke@1 42 /** A class that defines all predefined constants and operators
duke@1 43 * as well as special classes such as java.lang.Object, which need
duke@1 44 * to be known to the compiler. All symbols are held in instance
duke@1 45 * fields. This makes it possible to work in multiple concurrent
duke@1 46 * projects, which might use different class files for library classes.
duke@1 47 *
jjg@581 48 * <p><b>This is NOT part of any supported API.
jjg@581 49 * If you write code that depends on this, you do so at your own risk.
duke@1 50 * This code and its internal interfaces are subject to change or
duke@1 51 * deletion without notice.</b>
duke@1 52 */
duke@1 53 public class Symtab {
duke@1 54 /** The context key for the symbol table. */
duke@1 55 protected static final Context.Key<Symtab> symtabKey =
duke@1 56 new Context.Key<Symtab>();
duke@1 57
duke@1 58 /** Get the symbol table instance. */
duke@1 59 public static Symtab instance(Context context) {
duke@1 60 Symtab instance = context.get(symtabKey);
duke@1 61 if (instance == null)
duke@1 62 instance = new Symtab(context);
duke@1 63 return instance;
duke@1 64 }
duke@1 65
duke@1 66 /** Builtin types.
duke@1 67 */
jjg@1374 68 public final Type byteType = new Type(BYTE, null);
jjg@1374 69 public final Type charType = new Type(CHAR, null);
jjg@1374 70 public final Type shortType = new Type(SHORT, null);
jjg@1374 71 public final Type intType = new Type(INT, null);
jjg@1374 72 public final Type longType = new Type(LONG, null);
jjg@1374 73 public final Type floatType = new Type(FLOAT, null);
jjg@1374 74 public final Type doubleType = new Type(DOUBLE, null);
jjg@1374 75 public final Type booleanType = new Type(BOOLEAN, null);
duke@1 76 public final Type botType = new BottomType();
jjg@1374 77 public final JCNoType voidType = new JCNoType(VOID);
duke@1 78
jjg@113 79 private final Names names;
duke@1 80 private final ClassReader reader;
jjg@86 81 private final Target target;
duke@1 82
duke@1 83 /** A symbol for the root package.
duke@1 84 */
duke@1 85 public final PackageSymbol rootPackage;
duke@1 86
duke@1 87 /** A symbol for the unnamed package.
duke@1 88 */
duke@1 89 public final PackageSymbol unnamedPackage;
duke@1 90
duke@1 91 /** A symbol that stands for a missing symbol.
duke@1 92 */
duke@1 93 public final TypeSymbol noSymbol;
duke@1 94
duke@1 95 /** The error symbol.
duke@1 96 */
duke@1 97 public final ClassSymbol errSymbol;
duke@1 98
mcimadamore@676 99 /** The unknown symbol.
mcimadamore@676 100 */
mcimadamore@676 101 public final ClassSymbol unknownSymbol;
mcimadamore@676 102
jjg@110 103 /** A value for the errType, with a originalType of noType */
duke@1 104 public final Type errType;
duke@1 105
duke@1 106 /** A value for the unknown type. */
duke@1 107 public final Type unknownType;
duke@1 108
duke@1 109 /** The builtin type of all arrays. */
duke@1 110 public final ClassSymbol arrayClass;
duke@1 111 public final MethodSymbol arrayCloneMethod;
duke@1 112
duke@1 113 /** VGJ: The (singleton) type of all bound types. */
duke@1 114 public final ClassSymbol boundClass;
duke@1 115
duke@1 116 /** The builtin type of all methods. */
duke@1 117 public final ClassSymbol methodClass;
duke@1 118
duke@1 119 /** Predefined types.
duke@1 120 */
duke@1 121 public final Type objectType;
duke@1 122 public final Type classType;
duke@1 123 public final Type classLoaderType;
duke@1 124 public final Type stringType;
duke@1 125 public final Type stringBufferType;
duke@1 126 public final Type stringBuilderType;
duke@1 127 public final Type cloneableType;
duke@1 128 public final Type serializableType;
jrose@267 129 public final Type methodHandleType;
mcimadamore@1336 130 public final Type methodTypeType;
jjg@1230 131 public final Type nativeHeaderType;
duke@1 132 public final Type throwableType;
duke@1 133 public final Type errorType;
mcimadamore@951 134 public final Type interruptedExceptionType;
duke@1 135 public final Type illegalArgumentExceptionType;
duke@1 136 public final Type exceptionType;
duke@1 137 public final Type runtimeExceptionType;
duke@1 138 public final Type classNotFoundExceptionType;
duke@1 139 public final Type noClassDefFoundErrorType;
duke@1 140 public final Type noSuchFieldErrorType;
duke@1 141 public final Type assertionErrorType;
duke@1 142 public final Type cloneNotSupportedExceptionType;
duke@1 143 public final Type annotationType;
duke@1 144 public final TypeSymbol enumSym;
duke@1 145 public final Type listType;
duke@1 146 public final Type collectionsType;
duke@1 147 public final Type comparableType;
duke@1 148 public final Type arraysType;
duke@1 149 public final Type iterableType;
duke@1 150 public final Type iteratorType;
duke@1 151 public final Type annotationTargetType;
duke@1 152 public final Type overrideType;
duke@1 153 public final Type retentionType;
duke@1 154 public final Type deprecatedType;
duke@1 155 public final Type suppressWarningsType;
duke@1 156 public final Type inheritedType;
duke@1 157 public final Type proprietaryType;
jjg@86 158 public final Type systemType;
darcy@609 159 public final Type autoCloseableType;
mcimadamore@795 160 public final Type trustMeType;
jfranck@1313 161 public final Type containedByType;
jfranck@1313 162 public final Type containerForType;
jfranck@1313 163 public final Type documentedType;
jfranck@1313 164 public final Type elementTypeType;
duke@1 165
duke@1 166 /** The symbol representing the length field of an array.
duke@1 167 */
duke@1 168 public final VarSymbol lengthVar;
duke@1 169
duke@1 170 /** The null check operator. */
duke@1 171 public final OperatorSymbol nullcheck;
duke@1 172
duke@1 173 /** The symbol representing the final finalize method on enums */
duke@1 174 public final MethodSymbol enumFinalFinalize;
duke@1 175
darcy@609 176 /** The symbol representing the close method on TWR AutoCloseable type */
darcy@609 177 public final MethodSymbol autoCloseableClose;
darcy@609 178
duke@1 179 /** The predefined type that belongs to a tag.
duke@1 180 */
jjg@1374 181 public final Type[] typeOfTag = new Type[TypeTag.getTypeTagCount()];
duke@1 182
duke@1 183 /** The name of the class that belongs to a basix type tag.
duke@1 184 */
jjg@1374 185 public final Name[] boxedName = new Name[TypeTag.getTypeTagCount()];
duke@1 186
mcimadamore@1347 187 /** A set containing all operator names.
mcimadamore@1347 188 */
mcimadamore@1347 189 public final Set<Name> operatorNames = new HashSet<Name>();
mcimadamore@1347 190
duke@1 191 /** A hashtable containing the encountered top-level and member classes,
duke@1 192 * indexed by flat names. The table does not contain local classes.
duke@1 193 * It should be updated from the outside to reflect classes defined
duke@1 194 * by compiled source files.
duke@1 195 */
duke@1 196 public final Map<Name, ClassSymbol> classes = new HashMap<Name, ClassSymbol>();
duke@1 197
duke@1 198 /** A hashtable containing the encountered packages.
duke@1 199 * the table should be updated from outside to reflect packages defined
duke@1 200 * by compiled source files.
duke@1 201 */
duke@1 202 public final Map<Name, PackageSymbol> packages = new HashMap<Name, PackageSymbol>();
duke@1 203
duke@1 204 public void initType(Type type, ClassSymbol c) {
duke@1 205 type.tsym = c;
jjg@1374 206 typeOfTag[type.tag.ordinal()] = type;
duke@1 207 }
duke@1 208
duke@1 209 public void initType(Type type, String name) {
duke@1 210 initType(
duke@1 211 type,
duke@1 212 new ClassSymbol(
duke@1 213 PUBLIC, names.fromString(name), type, rootPackage));
duke@1 214 }
duke@1 215
duke@1 216 public void initType(Type type, String name, String bname) {
duke@1 217 initType(type, name);
jjg@1374 218 boxedName[type.tag.ordinal()] = names.fromString("java.lang." + bname);
duke@1 219 }
duke@1 220
duke@1 221 /** The class symbol that owns all predefined symbols.
duke@1 222 */
duke@1 223 public final ClassSymbol predefClass;
duke@1 224
duke@1 225 /** Enter a constant into symbol table.
duke@1 226 * @param name The constant's name.
duke@1 227 * @param type The constant's type.
duke@1 228 */
duke@1 229 private VarSymbol enterConstant(String name, Type type) {
duke@1 230 VarSymbol c = new VarSymbol(
duke@1 231 PUBLIC | STATIC | FINAL,
duke@1 232 names.fromString(name),
duke@1 233 type,
duke@1 234 predefClass);
duke@1 235 c.setData(type.constValue());
duke@1 236 predefClass.members().enter(c);
duke@1 237 return c;
duke@1 238 }
duke@1 239
duke@1 240 /** Enter a binary operation into symbol table.
duke@1 241 * @param name The name of the operator.
duke@1 242 * @param left The type of the left operand.
duke@1 243 * @param right The type of the left operand.
duke@1 244 * @param res The operation's result type.
duke@1 245 * @param opcode The operation's bytecode instruction.
duke@1 246 */
duke@1 247 private void enterBinop(String name,
duke@1 248 Type left, Type right, Type res,
duke@1 249 int opcode) {
duke@1 250 predefClass.members().enter(
duke@1 251 new OperatorSymbol(
mcimadamore@1347 252 makeOperatorName(name),
duke@1 253 new MethodType(List.of(left, right), res,
duke@1 254 List.<Type>nil(), methodClass),
duke@1 255 opcode,
duke@1 256 predefClass));
duke@1 257 }
duke@1 258
duke@1 259 /** Enter a binary operation, as above but with two opcodes,
jjg@1326 260 * which get encoded as
jjg@1326 261 * {@code (opcode1 << ByteCodeTags.preShift) + opcode2 }.
duke@1 262 * @param opcode1 First opcode.
duke@1 263 * @param opcode2 Second opcode.
duke@1 264 */
duke@1 265 private void enterBinop(String name,
duke@1 266 Type left, Type right, Type res,
duke@1 267 int opcode1, int opcode2) {
duke@1 268 enterBinop(
duke@1 269 name, left, right, res, (opcode1 << ByteCodes.preShift) | opcode2);
duke@1 270 }
duke@1 271
duke@1 272 /** Enter a unary operation into symbol table.
duke@1 273 * @param name The name of the operator.
duke@1 274 * @param arg The type of the operand.
duke@1 275 * @param res The operation's result type.
duke@1 276 * @param opcode The operation's bytecode instruction.
duke@1 277 */
duke@1 278 private OperatorSymbol enterUnop(String name,
duke@1 279 Type arg,
duke@1 280 Type res,
duke@1 281 int opcode) {
duke@1 282 OperatorSymbol sym =
mcimadamore@1347 283 new OperatorSymbol(makeOperatorName(name),
duke@1 284 new MethodType(List.of(arg),
duke@1 285 res,
duke@1 286 List.<Type>nil(),
duke@1 287 methodClass),
duke@1 288 opcode,
duke@1 289 predefClass);
duke@1 290 predefClass.members().enter(sym);
duke@1 291 return sym;
duke@1 292 }
duke@1 293
mcimadamore@1347 294 /**
mcimadamore@1347 295 * Create a new operator name from corresponding String representation
mcimadamore@1347 296 * and add the name to the set of known operator names.
mcimadamore@1347 297 */
mcimadamore@1347 298 private Name makeOperatorName(String name) {
mcimadamore@1347 299 Name opName = names.fromString(name);
mcimadamore@1347 300 operatorNames.add(opName);
mcimadamore@1347 301 return opName;
mcimadamore@1347 302 }
mcimadamore@1347 303
duke@1 304 /** Enter a class into symbol table.
jjg@1358 305 * @param s The name of the class.
duke@1 306 */
duke@1 307 private Type enterClass(String s) {
duke@1 308 return reader.enterClass(names.fromString(s)).type;
duke@1 309 }
duke@1 310
jjg@86 311 public void synthesizeEmptyInterfaceIfMissing(final Type type) {
jjg@86 312 final Completer completer = type.tsym.completer;
jjg@86 313 if (completer != null) {
jjg@86 314 type.tsym.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 | INTERFACE);
jjg@86 320 ((ClassType) sym.type).supertype_field = objectType;
jjg@86 321 }
jjg@86 322 }
jjg@86 323 };
jjg@86 324 }
jjg@86 325 }
jjg@86 326
jjg@86 327 public void synthesizeBoxTypeIfMissing(final Type type) {
jjg@1374 328 ClassSymbol sym = reader.enterClass(boxedName[type.tag.ordinal()]);
jjg@86 329 final Completer completer = sym.completer;
jjg@86 330 if (completer != null) {
jjg@86 331 sym.completer = new Completer() {
jjg@86 332 public void complete(Symbol sym) throws CompletionFailure {
jjg@86 333 try {
jjg@86 334 completer.complete(sym);
jjg@86 335 } catch (CompletionFailure e) {
jjg@86 336 sym.flags_field |= PUBLIC;
jjg@86 337 ((ClassType) sym.type).supertype_field = objectType;
jjg@86 338 Name n = target.boxWithConstructors() ? names.init : names.valueOf;
jjg@86 339 MethodSymbol boxMethod =
jjg@86 340 new MethodSymbol(PUBLIC | STATIC,
jjg@86 341 n,
jjg@86 342 new MethodType(List.of(type), sym.type,
jjg@86 343 List.<Type>nil(), methodClass),
jjg@86 344 sym);
jjg@86 345 sym.members().enter(boxMethod);
jjg@86 346 MethodSymbol unboxMethod =
jjg@86 347 new MethodSymbol(PUBLIC,
jjg@86 348 type.tsym.name.append(names.Value), // x.intValue()
jjg@86 349 new MethodType(List.<Type>nil(), type,
jjg@86 350 List.<Type>nil(), methodClass),
jjg@86 351 sym);
jjg@86 352 sym.members().enter(unboxMethod);
jjg@86 353 }
jjg@86 354 }
jjg@86 355 };
jjg@86 356 }
jjg@86 357
jjg@86 358 }
jjg@86 359
duke@1 360 /** Constructor; enters all predefined identifiers and operators
duke@1 361 * into symbol table.
duke@1 362 */
duke@1 363 protected Symtab(Context context) throws CompletionFailure {
duke@1 364 context.put(symtabKey, this);
duke@1 365
jjg@113 366 names = Names.instance(context);
jjg@86 367 target = Target.instance(context);
duke@1 368
duke@1 369 // Create the unknown type
jjg@1374 370 unknownType = new Type(UNKNOWN, null) {
jjg@900 371 @Override
jjg@900 372 public <R, P> R accept(TypeVisitor<R, P> v, P p) {
jjg@900 373 return v.visitUnknown(this, p);
jjg@900 374 }
jjg@900 375 };
duke@1 376
duke@1 377 // create the basic builtin symbols
duke@1 378 rootPackage = new PackageSymbol(names.empty, null);
mcimadamore@136 379 final JavacMessages messages = JavacMessages.instance(context);
duke@1 380 unnamedPackage = new PackageSymbol(names.empty, rootPackage) {
duke@1 381 public String toString() {
duke@1 382 return messages.getLocalizedString("compiler.misc.unnamed.package");
duke@1 383 }
duke@1 384 };
jjg@900 385 noSymbol = new TypeSymbol(0, names.empty, Type.noType, rootPackage) {
jjg@900 386 public <R, P> R accept(ElementVisitor<R, P> v, P p) {
jjg@900 387 return v.visitUnknown(this, p);
jjg@900 388 }
jjg@900 389 };
duke@1 390 noSymbol.kind = Kinds.NIL;
duke@1 391
duke@1 392 // create the error symbols
duke@1 393 errSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.any, null, rootPackage);
jjg@900 394 errType = new ErrorType(errSymbol, Type.noType);
jjg@900 395
mcimadamore@676 396 unknownSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.fromString("<any?>"), null, rootPackage);
jjg@900 397 unknownSymbol.members_field = new Scope.ErrorScope(unknownSymbol);
jjg@900 398 unknownSymbol.type = unknownType;
duke@1 399
duke@1 400 // initialize builtin types
duke@1 401 initType(byteType, "byte", "Byte");
duke@1 402 initType(shortType, "short", "Short");
duke@1 403 initType(charType, "char", "Character");
duke@1 404 initType(intType, "int", "Integer");
duke@1 405 initType(longType, "long", "Long");
duke@1 406 initType(floatType, "float", "Float");
duke@1 407 initType(doubleType, "double", "Double");
duke@1 408 initType(booleanType, "boolean", "Boolean");
duke@1 409 initType(voidType, "void", "Void");
duke@1 410 initType(botType, "<nulltype>");
duke@1 411 initType(errType, errSymbol);
mcimadamore@676 412 initType(unknownType, unknownSymbol);
duke@1 413
duke@1 414 // the builtin class of all arrays
duke@1 415 arrayClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Array, noSymbol);
duke@1 416
duke@1 417 // VGJ
duke@1 418 boundClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Bound, noSymbol);
jjg@900 419 boundClass.members_field = new Scope.ErrorScope(boundClass);
duke@1 420
duke@1 421 // the builtin class of all methods
duke@1 422 methodClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Method, noSymbol);
jjg@900 423 methodClass.members_field = new Scope.ErrorScope(boundClass);
duke@1 424
duke@1 425 // Create class to hold all predefined constants and operations.
duke@1 426 predefClass = new ClassSymbol(PUBLIC|ACYCLIC, names.empty, rootPackage);
mcimadamore@858 427 Scope scope = new Scope(predefClass);
duke@1 428 predefClass.members_field = scope;
duke@1 429
duke@1 430 // Enter symbols for basic types.
duke@1 431 scope.enter(byteType.tsym);
duke@1 432 scope.enter(shortType.tsym);
duke@1 433 scope.enter(charType.tsym);
duke@1 434 scope.enter(intType.tsym);
duke@1 435 scope.enter(longType.tsym);
duke@1 436 scope.enter(floatType.tsym);
duke@1 437 scope.enter(doubleType.tsym);
duke@1 438 scope.enter(booleanType.tsym);
duke@1 439 scope.enter(errType.tsym);
duke@1 440
jjg@110 441 // Enter symbol for the errSymbol
jjg@110 442 scope.enter(errSymbol);
jjg@110 443
duke@1 444 classes.put(predefClass.fullname, predefClass);
duke@1 445
duke@1 446 reader = ClassReader.instance(context);
duke@1 447 reader.init(this);
duke@1 448
duke@1 449 // Enter predefined classes.
duke@1 450 objectType = enterClass("java.lang.Object");
duke@1 451 classType = enterClass("java.lang.Class");
duke@1 452 stringType = enterClass("java.lang.String");
duke@1 453 stringBufferType = enterClass("java.lang.StringBuffer");
duke@1 454 stringBuilderType = enterClass("java.lang.StringBuilder");
duke@1 455 cloneableType = enterClass("java.lang.Cloneable");
duke@1 456 throwableType = enterClass("java.lang.Throwable");
duke@1 457 serializableType = enterClass("java.io.Serializable");
mcimadamore@857 458 methodHandleType = enterClass("java.lang.invoke.MethodHandle");
mcimadamore@1336 459 methodTypeType = enterClass("java.lang.invoke.MethodType");
duke@1 460 errorType = enterClass("java.lang.Error");
duke@1 461 illegalArgumentExceptionType = enterClass("java.lang.IllegalArgumentException");
mcimadamore@951 462 interruptedExceptionType = enterClass("java.lang.InterruptedException");
duke@1 463 exceptionType = enterClass("java.lang.Exception");
duke@1 464 runtimeExceptionType = enterClass("java.lang.RuntimeException");
duke@1 465 classNotFoundExceptionType = enterClass("java.lang.ClassNotFoundException");
duke@1 466 noClassDefFoundErrorType = enterClass("java.lang.NoClassDefFoundError");
duke@1 467 noSuchFieldErrorType = enterClass("java.lang.NoSuchFieldError");
duke@1 468 assertionErrorType = enterClass("java.lang.AssertionError");
duke@1 469 cloneNotSupportedExceptionType = enterClass("java.lang.CloneNotSupportedException");
duke@1 470 annotationType = enterClass("java.lang.annotation.Annotation");
duke@1 471 classLoaderType = enterClass("java.lang.ClassLoader");
duke@1 472 enumSym = reader.enterClass(names.java_lang_Enum);
duke@1 473 enumFinalFinalize =
duke@1 474 new MethodSymbol(PROTECTED|FINAL|HYPOTHETICAL,
duke@1 475 names.finalize,
duke@1 476 new MethodType(List.<Type>nil(), voidType,
duke@1 477 List.<Type>nil(), methodClass),
duke@1 478 enumSym);
duke@1 479 listType = enterClass("java.util.List");
duke@1 480 collectionsType = enterClass("java.util.Collections");
duke@1 481 comparableType = enterClass("java.lang.Comparable");
duke@1 482 arraysType = enterClass("java.util.Arrays");
jjg@86 483 iterableType = target.hasIterable()
duke@1 484 ? enterClass("java.lang.Iterable")
duke@1 485 : enterClass("java.util.Collection");
duke@1 486 iteratorType = enterClass("java.util.Iterator");
duke@1 487 annotationTargetType = enterClass("java.lang.annotation.Target");
duke@1 488 overrideType = enterClass("java.lang.Override");
duke@1 489 retentionType = enterClass("java.lang.annotation.Retention");
duke@1 490 deprecatedType = enterClass("java.lang.Deprecated");
duke@1 491 suppressWarningsType = enterClass("java.lang.SuppressWarnings");
duke@1 492 inheritedType = enterClass("java.lang.annotation.Inherited");
jfranck@1313 493 containedByType = enterClass("java.lang.annotation.ContainedBy");
jfranck@1313 494 containerForType = enterClass("java.lang.annotation.ContainerFor");
jfranck@1313 495 documentedType = enterClass("java.lang.annotation.Documented");
jfranck@1313 496 elementTypeType = enterClass("java.lang.annotation.ElementType");
jjg@86 497 systemType = enterClass("java.lang.System");
darcy@609 498 autoCloseableType = enterClass("java.lang.AutoCloseable");
darcy@609 499 autoCloseableClose = new MethodSymbol(PUBLIC,
darcy@609 500 names.close,
darcy@609 501 new MethodType(List.<Type>nil(), voidType,
darcy@609 502 List.of(exceptionType), methodClass),
darcy@609 503 autoCloseableType.tsym);
mcimadamore@795 504 trustMeType = enterClass("java.lang.SafeVarargs");
jjg@1230 505 nativeHeaderType = enterClass("javax.tools.annotation.GenerateNativeHeader");
jjg@86 506
mcimadamore@951 507 synthesizeEmptyInterfaceIfMissing(autoCloseableType);
jjg@86 508 synthesizeEmptyInterfaceIfMissing(cloneableType);
jjg@86 509 synthesizeEmptyInterfaceIfMissing(serializableType);
jjg@86 510 synthesizeBoxTypeIfMissing(doubleType);
jjg@86 511 synthesizeBoxTypeIfMissing(floatType);
mcimadamore@357 512 synthesizeBoxTypeIfMissing(voidType);
duke@1 513
jjg@582 514 // Enter a synthetic class that is used to mark internal
duke@1 515 // proprietary classes in ct.sym. This class does not have a
duke@1 516 // class file.
duke@1 517 ClassType proprietaryType = (ClassType)enterClass("sun.Proprietary+Annotation");
duke@1 518 this.proprietaryType = proprietaryType;
duke@1 519 ClassSymbol proprietarySymbol = (ClassSymbol)proprietaryType.tsym;
duke@1 520 proprietarySymbol.completer = null;
duke@1 521 proprietarySymbol.flags_field = PUBLIC|ACYCLIC|ANNOTATION|INTERFACE;
duke@1 522 proprietarySymbol.erasure_field = proprietaryType;
mcimadamore@858 523 proprietarySymbol.members_field = new Scope(proprietarySymbol);
duke@1 524 proprietaryType.typarams_field = List.nil();
duke@1 525 proprietaryType.allparams_field = List.nil();
duke@1 526 proprietaryType.supertype_field = annotationType;
duke@1 527 proprietaryType.interfaces_field = List.nil();
duke@1 528
duke@1 529 // Enter a class for arrays.
duke@1 530 // The class implements java.lang.Cloneable and java.io.Serializable.
duke@1 531 // It has a final length field and a clone method.
duke@1 532 ClassType arrayClassType = (ClassType)arrayClass.type;
duke@1 533 arrayClassType.supertype_field = objectType;
duke@1 534 arrayClassType.interfaces_field = List.of(cloneableType, serializableType);
mcimadamore@858 535 arrayClass.members_field = new Scope(arrayClass);
duke@1 536 lengthVar = new VarSymbol(
duke@1 537 PUBLIC | FINAL,
duke@1 538 names.length,
duke@1 539 intType,
duke@1 540 arrayClass);
duke@1 541 arrayClass.members().enter(lengthVar);
duke@1 542 arrayCloneMethod = new MethodSymbol(
duke@1 543 PUBLIC,
duke@1 544 names.clone,
duke@1 545 new MethodType(List.<Type>nil(), objectType,
duke@1 546 List.<Type>nil(), methodClass),
duke@1 547 arrayClass);
duke@1 548 arrayClass.members().enter(arrayCloneMethod);
duke@1 549
duke@1 550 // Enter operators.
duke@1 551 enterUnop("+", doubleType, doubleType, nop);
duke@1 552 enterUnop("+", floatType, floatType, nop);
duke@1 553 enterUnop("+", longType, longType, nop);
duke@1 554 enterUnop("+", intType, intType, nop);
duke@1 555
duke@1 556 enterUnop("-", doubleType, doubleType, dneg);
duke@1 557 enterUnop("-", floatType, floatType, fneg);
duke@1 558 enterUnop("-", longType, longType, lneg);
duke@1 559 enterUnop("-", intType, intType, ineg);
duke@1 560
duke@1 561 enterUnop("~", longType, longType, lxor);
duke@1 562 enterUnop("~", intType, intType, ixor);
duke@1 563
duke@1 564 enterUnop("++", doubleType, doubleType, dadd);
duke@1 565 enterUnop("++", floatType, floatType, fadd);
duke@1 566 enterUnop("++", longType, longType, ladd);
duke@1 567 enterUnop("++", intType, intType, iadd);
duke@1 568 enterUnop("++", charType, charType, iadd);
duke@1 569 enterUnop("++", shortType, shortType, iadd);
duke@1 570 enterUnop("++", byteType, byteType, iadd);
duke@1 571
duke@1 572 enterUnop("--", doubleType, doubleType, dsub);
duke@1 573 enterUnop("--", floatType, floatType, fsub);
duke@1 574 enterUnop("--", longType, longType, lsub);
duke@1 575 enterUnop("--", intType, intType, isub);
duke@1 576 enterUnop("--", charType, charType, isub);
duke@1 577 enterUnop("--", shortType, shortType, isub);
duke@1 578 enterUnop("--", byteType, byteType, isub);
duke@1 579
duke@1 580 enterUnop("!", booleanType, booleanType, bool_not);
duke@1 581 nullcheck = enterUnop("<*nullchk*>", objectType, objectType, nullchk);
duke@1 582
duke@1 583 // string concatenation
duke@1 584 enterBinop("+", stringType, objectType, stringType, string_add);
duke@1 585 enterBinop("+", objectType, stringType, stringType, string_add);
duke@1 586 enterBinop("+", stringType, stringType, stringType, string_add);
duke@1 587 enterBinop("+", stringType, intType, stringType, string_add);
duke@1 588 enterBinop("+", stringType, longType, stringType, string_add);
duke@1 589 enterBinop("+", stringType, floatType, stringType, string_add);
duke@1 590 enterBinop("+", stringType, doubleType, stringType, string_add);
duke@1 591 enterBinop("+", stringType, booleanType, stringType, string_add);
duke@1 592 enterBinop("+", stringType, botType, stringType, string_add);
duke@1 593 enterBinop("+", intType, stringType, stringType, string_add);
duke@1 594 enterBinop("+", longType, stringType, stringType, string_add);
duke@1 595 enterBinop("+", floatType, stringType, stringType, string_add);
duke@1 596 enterBinop("+", doubleType, stringType, stringType, string_add);
duke@1 597 enterBinop("+", booleanType, stringType, stringType, string_add);
duke@1 598 enterBinop("+", botType, stringType, stringType, string_add);
duke@1 599
duke@1 600 // these errors would otherwise be matched as string concatenation
duke@1 601 enterBinop("+", botType, botType, botType, error);
duke@1 602 enterBinop("+", botType, intType, botType, error);
duke@1 603 enterBinop("+", botType, longType, botType, error);
duke@1 604 enterBinop("+", botType, floatType, botType, error);
duke@1 605 enterBinop("+", botType, doubleType, botType, error);
duke@1 606 enterBinop("+", botType, booleanType, botType, error);
duke@1 607 enterBinop("+", botType, objectType, botType, error);
duke@1 608 enterBinop("+", intType, botType, botType, error);
duke@1 609 enterBinop("+", longType, botType, botType, error);
duke@1 610 enterBinop("+", floatType, botType, botType, error);
duke@1 611 enterBinop("+", doubleType, botType, botType, error);
duke@1 612 enterBinop("+", booleanType, botType, botType, error);
duke@1 613 enterBinop("+", objectType, botType, botType, error);
duke@1 614
duke@1 615 enterBinop("+", doubleType, doubleType, doubleType, dadd);
duke@1 616 enterBinop("+", floatType, floatType, floatType, fadd);
duke@1 617 enterBinop("+", longType, longType, longType, ladd);
duke@1 618 enterBinop("+", intType, intType, intType, iadd);
duke@1 619
duke@1 620 enterBinop("-", doubleType, doubleType, doubleType, dsub);
duke@1 621 enterBinop("-", floatType, floatType, floatType, fsub);
duke@1 622 enterBinop("-", longType, longType, longType, lsub);
duke@1 623 enterBinop("-", intType, intType, intType, isub);
duke@1 624
duke@1 625 enterBinop("*", doubleType, doubleType, doubleType, dmul);
duke@1 626 enterBinop("*", floatType, floatType, floatType, fmul);
duke@1 627 enterBinop("*", longType, longType, longType, lmul);
duke@1 628 enterBinop("*", intType, intType, intType, imul);
duke@1 629
duke@1 630 enterBinop("/", doubleType, doubleType, doubleType, ddiv);
duke@1 631 enterBinop("/", floatType, floatType, floatType, fdiv);
duke@1 632 enterBinop("/", longType, longType, longType, ldiv);
duke@1 633 enterBinop("/", intType, intType, intType, idiv);
duke@1 634
duke@1 635 enterBinop("%", doubleType, doubleType, doubleType, dmod);
duke@1 636 enterBinop("%", floatType, floatType, floatType, fmod);
duke@1 637 enterBinop("%", longType, longType, longType, lmod);
duke@1 638 enterBinop("%", intType, intType, intType, imod);
duke@1 639
duke@1 640 enterBinop("&", booleanType, booleanType, booleanType, iand);
duke@1 641 enterBinop("&", longType, longType, longType, land);
duke@1 642 enterBinop("&", intType, intType, intType, iand);
duke@1 643
duke@1 644 enterBinop("|", booleanType, booleanType, booleanType, ior);
duke@1 645 enterBinop("|", longType, longType, longType, lor);
duke@1 646 enterBinop("|", intType, intType, intType, ior);
duke@1 647
duke@1 648 enterBinop("^", booleanType, booleanType, booleanType, ixor);
duke@1 649 enterBinop("^", longType, longType, longType, lxor);
duke@1 650 enterBinop("^", intType, intType, intType, ixor);
duke@1 651
duke@1 652 enterBinop("<<", longType, longType, longType, lshll);
duke@1 653 enterBinop("<<", intType, longType, intType, ishll);
duke@1 654 enterBinop("<<", longType, intType, longType, lshl);
duke@1 655 enterBinop("<<", intType, intType, intType, ishl);
duke@1 656
duke@1 657 enterBinop(">>", longType, longType, longType, lshrl);
duke@1 658 enterBinop(">>", intType, longType, intType, ishrl);
duke@1 659 enterBinop(">>", longType, intType, longType, lshr);
duke@1 660 enterBinop(">>", intType, intType, intType, ishr);
duke@1 661
duke@1 662 enterBinop(">>>", longType, longType, longType, lushrl);
duke@1 663 enterBinop(">>>", intType, longType, intType, iushrl);
duke@1 664 enterBinop(">>>", longType, intType, longType, lushr);
duke@1 665 enterBinop(">>>", intType, intType, intType, iushr);
duke@1 666
duke@1 667 enterBinop("<", doubleType, doubleType, booleanType, dcmpg, iflt);
duke@1 668 enterBinop("<", floatType, floatType, booleanType, fcmpg, iflt);
duke@1 669 enterBinop("<", longType, longType, booleanType, lcmp, iflt);
duke@1 670 enterBinop("<", intType, intType, booleanType, if_icmplt);
duke@1 671
duke@1 672 enterBinop(">", doubleType, doubleType, booleanType, dcmpl, ifgt);
duke@1 673 enterBinop(">", floatType, floatType, booleanType, fcmpl, ifgt);
duke@1 674 enterBinop(">", longType, longType, booleanType, lcmp, ifgt);
duke@1 675 enterBinop(">", intType, intType, booleanType, if_icmpgt);
duke@1 676
duke@1 677 enterBinop("<=", doubleType, doubleType, booleanType, dcmpg, ifle);
duke@1 678 enterBinop("<=", floatType, floatType, booleanType, fcmpg, ifle);
duke@1 679 enterBinop("<=", longType, longType, booleanType, lcmp, ifle);
duke@1 680 enterBinop("<=", intType, intType, booleanType, if_icmple);
duke@1 681
duke@1 682 enterBinop(">=", doubleType, doubleType, booleanType, dcmpl, ifge);
duke@1 683 enterBinop(">=", floatType, floatType, booleanType, fcmpl, ifge);
duke@1 684 enterBinop(">=", longType, longType, booleanType, lcmp, ifge);
duke@1 685 enterBinop(">=", intType, intType, booleanType, if_icmpge);
duke@1 686
duke@1 687 enterBinop("==", objectType, objectType, booleanType, if_acmpeq);
duke@1 688 enterBinop("==", booleanType, booleanType, booleanType, if_icmpeq);
duke@1 689 enterBinop("==", doubleType, doubleType, booleanType, dcmpl, ifeq);
duke@1 690 enterBinop("==", floatType, floatType, booleanType, fcmpl, ifeq);
duke@1 691 enterBinop("==", longType, longType, booleanType, lcmp, ifeq);
duke@1 692 enterBinop("==", intType, intType, booleanType, if_icmpeq);
duke@1 693
duke@1 694 enterBinop("!=", objectType, objectType, booleanType, if_acmpne);
duke@1 695 enterBinop("!=", booleanType, booleanType, booleanType, if_icmpne);
duke@1 696 enterBinop("!=", doubleType, doubleType, booleanType, dcmpl, ifne);
duke@1 697 enterBinop("!=", floatType, floatType, booleanType, fcmpl, ifne);
duke@1 698 enterBinop("!=", longType, longType, booleanType, lcmp, ifne);
duke@1 699 enterBinop("!=", intType, intType, booleanType, if_icmpne);
duke@1 700
duke@1 701 enterBinop("&&", booleanType, booleanType, booleanType, bool_and);
duke@1 702 enterBinop("||", booleanType, booleanType, booleanType, bool_or);
duke@1 703 }
duke@1 704 }

mercurial