1 /* 2 * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.tools.javac.code; 27 28 import java.util.*; 29 30 import com.sun.tools.javac.util.*; 31 import com.sun.tools.javac.util.List; 32 import com.sun.tools.javac.code.Symbol.*; 33 import com.sun.tools.javac.code.Type.*; 34 import com.sun.tools.javac.jvm.*; 35 36 import static com.sun.tools.javac.jvm.ByteCodes.*; 37 import static com.sun.tools.javac.code.Flags.*; 38 39 /** A class that defines all predefined constants and operators 40 * as well as special classes such as java.lang.Object, which need 41 * to be known to the compiler. All symbols are held in instance 42 * fields. This makes it possible to work in multiple concurrent 43 * projects, which might use different class files for library classes. 44 * 45 * <p><b>This is NOT part of any supported API. 46 * If you write code that depends on this, you do so at your own risk. 47 * This code and its internal interfaces are subject to change or 48 * deletion without notice.</b> 49 */ 50 public class Symtab { 51 /** The context key for the symbol table. */ 52 protected static final Context.Key<Symtab> symtabKey = 53 new Context.Key<Symtab>(); 54 55 /** Get the symbol table instance. */ 56 public static Symtab instance(Context context) { 57 Symtab instance = context.get(symtabKey); 58 if (instance == null) 59 instance = new Symtab(context); 60 return instance; 61 } 62 63 /** Builtin types. 64 */ 65 public final Type byteType = new Type(TypeTags.BYTE, null); 66 public final Type charType = new Type(TypeTags.CHAR, null); 67 public final Type shortType = new Type(TypeTags.SHORT, null); 68 public final Type intType = new Type(TypeTags.INT, null); 69 public final Type longType = new Type(TypeTags.LONG, null); 70 public final Type floatType = new Type(TypeTags.FLOAT, null); 71 public final Type doubleType = new Type(TypeTags.DOUBLE, null); 72 public final Type booleanType = new Type(TypeTags.BOOLEAN, null); 73 public final Type botType = new BottomType(); 74 public final JCNoType voidType = new JCNoType(TypeTags.VOID); 75 76 private final Names names; 77 private final ClassReader reader; 78 private final Target target; 79 80 /** A symbol for the root package. 81 */ 82 public final PackageSymbol rootPackage; 83 84 /** A symbol for the unnamed package. 85 */ 86 public final PackageSymbol unnamedPackage; 87 88 /** A symbol that stands for a missing symbol. 89 */ 90 public final TypeSymbol noSymbol; 91 92 /** The error symbol. 93 */ 94 public final ClassSymbol errSymbol; 95 96 /** A value for the errType, with a originalType of noType */ 97 public final Type errType; 98 99 /** A value for the unknown type. */ 100 public final Type unknownType; 101 102 /** The builtin type of all arrays. */ 103 public final ClassSymbol arrayClass; 104 public final MethodSymbol arrayCloneMethod; 105 106 /** VGJ: The (singleton) type of all bound types. */ 107 public final ClassSymbol boundClass; 108 109 /** The builtin type of all methods. */ 110 public final ClassSymbol methodClass; 111 112 /** Predefined types. 113 */ 114 public final Type objectType; 115 public final Type classType; 116 public final Type classLoaderType; 117 public final Type stringType; 118 public final Type stringBufferType; 119 public final Type stringBuilderType; 120 public final Type cloneableType; 121 public final Type serializableType; 122 public final Type methodHandleType; 123 public final Type invokeDynamicType; 124 public final Type throwableType; 125 public final Type errorType; 126 public final Type illegalArgumentExceptionType; 127 public final Type exceptionType; 128 public final Type runtimeExceptionType; 129 public final Type classNotFoundExceptionType; 130 public final Type noClassDefFoundErrorType; 131 public final Type noSuchFieldErrorType; 132 public final Type assertionErrorType; 133 public final Type cloneNotSupportedExceptionType; 134 public final Type annotationType; 135 public final TypeSymbol enumSym; 136 public final Type listType; 137 public final Type collectionsType; 138 public final Type comparableType; 139 public final Type arraysType; 140 public final Type iterableType; 141 public final Type iteratorType; 142 public final Type annotationTargetType; 143 public final Type overrideType; 144 public final Type retentionType; 145 public final Type deprecatedType; 146 public final Type suppressWarningsType; 147 public final Type inheritedType; 148 public final Type proprietaryType; 149 public final Type systemType; 150 public final Type autoCloseableType; 151 152 /** The symbol representing the length field of an array. 153 */ 154 public final VarSymbol lengthVar; 155 156 /** The null check operator. */ 157 public final OperatorSymbol nullcheck; 158 159 /** The symbol representing the final finalize method on enums */ 160 public final MethodSymbol enumFinalFinalize; 161 162 /** The predefined type that belongs to a tag. 163 */ 164 public final Type[] typeOfTag = new Type[TypeTags.TypeTagCount]; 165 166 /** The name of the class that belongs to a basix type tag. 167 */ 168 public final Name[] boxedName = new Name[TypeTags.TypeTagCount]; 169 170 /** A hashtable containing the encountered top-level and member classes, 171 * indexed by flat names. The table does not contain local classes. 172 * It should be updated from the outside to reflect classes defined 173 * by compiled source files. 174 */ 175 public final Map<Name, ClassSymbol> classes = new HashMap<Name, ClassSymbol>(); 176 177 /** A hashtable containing the encountered packages. 178 * the table should be updated from outside to reflect packages defined 179 * by compiled source files. 180 */ 181 public final Map<Name, PackageSymbol> packages = new HashMap<Name, PackageSymbol>(); 182 183 public void initType(Type type, ClassSymbol c) { 184 type.tsym = c; 185 typeOfTag[type.tag] = type; 186 } 187 188 public void initType(Type type, String name) { 189 initType( 190 type, 191 new ClassSymbol( 192 PUBLIC, names.fromString(name), type, rootPackage)); 193 } 194 195 public void initType(Type type, String name, String bname) { 196 initType(type, name); 197 boxedName[type.tag] = names.fromString("java.lang." + bname); 198 } 199 200 /** The class symbol that owns all predefined symbols. 201 */ 202 public final ClassSymbol predefClass; 203 204 /** Enter a constant into symbol table. 205 * @param name The constant's name. 206 * @param type The constant's type. 207 */ 208 private VarSymbol enterConstant(String name, Type type) { 209 VarSymbol c = new VarSymbol( 210 PUBLIC | STATIC | FINAL, 211 names.fromString(name), 212 type, 213 predefClass); 214 c.setData(type.constValue()); 215 predefClass.members().enter(c); 216 return c; 217 } 218 219 /** Enter a binary operation into symbol table. 220 * @param name The name of the operator. 221 * @param left The type of the left operand. 222 * @param right The type of the left operand. 223 * @param res The operation's result type. 224 * @param opcode The operation's bytecode instruction. 225 */ 226 private void enterBinop(String name, 227 Type left, Type right, Type res, 228 int opcode) { 229 predefClass.members().enter( 230 new OperatorSymbol( 231 names.fromString(name), 232 new MethodType(List.of(left, right), res, 233 List.<Type>nil(), methodClass), 234 opcode, 235 predefClass)); 236 } 237 238 /** Enter a binary operation, as above but with two opcodes, 239 * which get encoded as (opcode1 << ByteCodeTags.preShift) + opcode2. 240 * @param opcode1 First opcode. 241 * @param opcode2 Second opcode. 242 */ 243 private void enterBinop(String name, 244 Type left, Type right, Type res, 245 int opcode1, int opcode2) { 246 enterBinop( 247 name, left, right, res, (opcode1 << ByteCodes.preShift) | opcode2); 248 } 249 250 /** Enter a unary operation into symbol table. 251 * @param name The name of the operator. 252 * @param arg The type of the operand. 253 * @param res The operation's result type. 254 * @param opcode The operation's bytecode instruction. 255 */ 256 private OperatorSymbol enterUnop(String name, 257 Type arg, 258 Type res, 259 int opcode) { 260 OperatorSymbol sym = 261 new OperatorSymbol(names.fromString(name), 262 new MethodType(List.of(arg), 263 res, 264 List.<Type>nil(), 265 methodClass), 266 opcode, 267 predefClass); 268 predefClass.members().enter(sym); 269 return sym; 270 } 271 272 /** Enter a class into symbol table. 273 * @param The name of the class. 274 */ 275 private Type enterClass(String s) { 276 return reader.enterClass(names.fromString(s)).type; 277 } 278 279 public void synthesizeEmptyInterfaceIfMissing(final Type type) { 280 final Completer completer = type.tsym.completer; 281 if (completer != null) { 282 type.tsym.completer = new Completer() { 283 public void complete(Symbol sym) throws CompletionFailure { 284 try { 285 completer.complete(sym); 286 } catch (CompletionFailure e) { 287 sym.flags_field |= (PUBLIC | INTERFACE); 288 ((ClassType) sym.type).supertype_field = objectType; 289 } 290 } 291 }; 292 } 293 } 294 295 public void synthesizeMHTypeIfMissing(final Type type) { 296 final Completer completer = type.tsym.completer; 297 if (completer != null) { 298 type.tsym.completer = new Completer() { 299 public void complete(Symbol sym) throws CompletionFailure { 300 try { 301 completer.complete(sym); 302 } catch (CompletionFailure e) { 303 sym.flags_field |= (PUBLIC | ABSTRACT); 304 ((ClassType) sym.type).supertype_field = objectType; 305 // do not bother to create MH.type if not visibly declared 306 // this sym just accumulates invoke(...) methods 307 } 308 } 309 }; 310 } 311 } 312 313 public void synthesizeBoxTypeIfMissing(final Type type) { 314 ClassSymbol sym = reader.enterClass(boxedName[type.tag]); 315 final Completer completer = sym.completer; 316 if (completer != null) { 317 sym.completer = new Completer() { 318 public void complete(Symbol sym) throws CompletionFailure { 319 try { 320 completer.complete(sym); 321 } catch (CompletionFailure e) { 322 sym.flags_field |= PUBLIC; 323 ((ClassType) sym.type).supertype_field = objectType; 324 Name n = target.boxWithConstructors() ? names.init : names.valueOf; 325 MethodSymbol boxMethod = 326 new MethodSymbol(PUBLIC | STATIC, 327 n, 328 new MethodType(List.of(type), sym.type, 329 List.<Type>nil(), methodClass), 330 sym); 331 sym.members().enter(boxMethod); 332 MethodSymbol unboxMethod = 333 new MethodSymbol(PUBLIC, 334 type.tsym.name.append(names.Value), // x.intValue() 335 new MethodType(List.<Type>nil(), type, 336 List.<Type>nil(), methodClass), 337 sym); 338 sym.members().enter(unboxMethod); 339 } 340 } 341 }; 342 } 343 344 } 345 346 /** Constructor; enters all predefined identifiers and operators 347 * into symbol table. 348 */ 349 protected Symtab(Context context) throws CompletionFailure { 350 context.put(symtabKey, this); 351 352 names = Names.instance(context); 353 target = Target.instance(context); 354 355 // Create the unknown type 356 unknownType = new Type(TypeTags.UNKNOWN, null); 357 358 // create the basic builtin symbols 359 rootPackage = new PackageSymbol(names.empty, null); 360 final JavacMessages messages = JavacMessages.instance(context); 361 unnamedPackage = new PackageSymbol(names.empty, rootPackage) { 362 public String toString() { 363 return messages.getLocalizedString("compiler.misc.unnamed.package"); 364 } 365 }; 366 noSymbol = new TypeSymbol(0, names.empty, Type.noType, rootPackage); 367 noSymbol.kind = Kinds.NIL; 368 369 // create the error symbols 370 errSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.any, null, rootPackage); 371 errType = new ErrorType(errSymbol, Type.noType); 372 373 // initialize builtin types 374 initType(byteType, "byte", "Byte"); 375 initType(shortType, "short", "Short"); 376 initType(charType, "char", "Character"); 377 initType(intType, "int", "Integer"); 378 initType(longType, "long", "Long"); 379 initType(floatType, "float", "Float"); 380 initType(doubleType, "double", "Double"); 381 initType(booleanType, "boolean", "Boolean"); 382 initType(voidType, "void", "Void"); 383 initType(botType, "<nulltype>"); 384 initType(errType, errSymbol); 385 initType(unknownType, "<any?>"); 386 387 // the builtin class of all arrays 388 arrayClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Array, noSymbol); 389 390 // VGJ 391 boundClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Bound, noSymbol); 392 393 // the builtin class of all methods 394 methodClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Method, noSymbol); 395 396 // Create class to hold all predefined constants and operations. 397 predefClass = new ClassSymbol(PUBLIC|ACYCLIC, names.empty, rootPackage); 398 Scope scope = new Scope(predefClass); 399 predefClass.members_field = scope; 400 401 // Enter symbols for basic types. 402 scope.enter(byteType.tsym); 403 scope.enter(shortType.tsym); 404 scope.enter(charType.tsym); 405 scope.enter(intType.tsym); 406 scope.enter(longType.tsym); 407 scope.enter(floatType.tsym); 408 scope.enter(doubleType.tsym); 409 scope.enter(booleanType.tsym); 410 scope.enter(errType.tsym); 411 412 // Enter symbol for the errSymbol 413 scope.enter(errSymbol); 414 415 classes.put(predefClass.fullname, predefClass); 416 417 reader = ClassReader.instance(context); 418 reader.init(this); 419 420 // Enter predefined classes. 421 objectType = enterClass("java.lang.Object"); 422 classType = enterClass("java.lang.Class"); 423 stringType = enterClass("java.lang.String"); 424 stringBufferType = enterClass("java.lang.StringBuffer"); 425 stringBuilderType = enterClass("java.lang.StringBuilder"); 426 cloneableType = enterClass("java.lang.Cloneable"); 427 throwableType = enterClass("java.lang.Throwable"); 428 serializableType = enterClass("java.io.Serializable"); 429 methodHandleType = enterClass("java.dyn.MethodHandle"); 430 invokeDynamicType = enterClass("java.dyn.InvokeDynamic"); 431 errorType = enterClass("java.lang.Error"); 432 illegalArgumentExceptionType = enterClass("java.lang.IllegalArgumentException"); 433 exceptionType = enterClass("java.lang.Exception"); 434 runtimeExceptionType = enterClass("java.lang.RuntimeException"); 435 classNotFoundExceptionType = enterClass("java.lang.ClassNotFoundException"); 436 noClassDefFoundErrorType = enterClass("java.lang.NoClassDefFoundError"); 437 noSuchFieldErrorType = enterClass("java.lang.NoSuchFieldError"); 438 assertionErrorType = enterClass("java.lang.AssertionError"); 439 cloneNotSupportedExceptionType = enterClass("java.lang.CloneNotSupportedException"); 440 annotationType = enterClass("java.lang.annotation.Annotation"); 441 classLoaderType = enterClass("java.lang.ClassLoader"); 442 enumSym = reader.enterClass(names.java_lang_Enum); 443 enumFinalFinalize = 444 new MethodSymbol(PROTECTED|FINAL|HYPOTHETICAL, 445 names.finalize, 446 new MethodType(List.<Type>nil(), voidType, 447 List.<Type>nil(), methodClass), 448 enumSym); 449 listType = enterClass("java.util.List"); 450 collectionsType = enterClass("java.util.Collections"); 451 comparableType = enterClass("java.lang.Comparable"); 452 arraysType = enterClass("java.util.Arrays"); 453 iterableType = target.hasIterable() 454 ? enterClass("java.lang.Iterable") 455 : enterClass("java.util.Collection"); 456 iteratorType = enterClass("java.util.Iterator"); 457 annotationTargetType = enterClass("java.lang.annotation.Target"); 458 overrideType = enterClass("java.lang.Override"); 459 retentionType = enterClass("java.lang.annotation.Retention"); 460 deprecatedType = enterClass("java.lang.Deprecated"); 461 suppressWarningsType = enterClass("java.lang.SuppressWarnings"); 462 inheritedType = enterClass("java.lang.annotation.Inherited"); 463 systemType = enterClass("java.lang.System"); 464 autoCloseableType = enterClass("java.lang.AutoCloseable"); 465 466 synthesizeEmptyInterfaceIfMissing(cloneableType); 467 synthesizeEmptyInterfaceIfMissing(serializableType); 468 synthesizeMHTypeIfMissing(methodHandleType); 469 synthesizeMHTypeIfMissing(invokeDynamicType); 470 synthesizeBoxTypeIfMissing(doubleType); 471 synthesizeBoxTypeIfMissing(floatType); 472 synthesizeBoxTypeIfMissing(voidType); 473 474 // Enter a synthetic class that is used to mark internal 475 // proprietary classes in ct.sym. This class does not have a 476 // class file. 477 ClassType proprietaryType = (ClassType)enterClass("sun.Proprietary+Annotation"); 478 this.proprietaryType = proprietaryType; 479 ClassSymbol proprietarySymbol = (ClassSymbol)proprietaryType.tsym; 480 proprietarySymbol.completer = null; 481 proprietarySymbol.flags_field = PUBLIC|ACYCLIC|ANNOTATION|INTERFACE; 482 proprietarySymbol.erasure_field = proprietaryType; 483 proprietarySymbol.members_field = new Scope(proprietarySymbol); 484 proprietaryType.typarams_field = List.nil(); 485 proprietaryType.allparams_field = List.nil(); 486 proprietaryType.supertype_field = annotationType; 487 proprietaryType.interfaces_field = List.nil(); 488 489 // Enter a class for arrays. 490 // The class implements java.lang.Cloneable and java.io.Serializable. 491 // It has a final length field and a clone method. 492 ClassType arrayClassType = (ClassType)arrayClass.type; 493 arrayClassType.supertype_field = objectType; 494 arrayClassType.interfaces_field = List.of(cloneableType, serializableType); 495 arrayClass.members_field = new Scope(arrayClass); 496 lengthVar = new VarSymbol( 497 PUBLIC | FINAL, 498 names.length, 499 intType, 500 arrayClass); 501 arrayClass.members().enter(lengthVar); 502 arrayCloneMethod = new MethodSymbol( 503 PUBLIC, 504 names.clone, 505 new MethodType(List.<Type>nil(), objectType, 506 List.<Type>nil(), methodClass), 507 arrayClass); 508 arrayClass.members().enter(arrayCloneMethod); 509 510 // Enter operators. 511 enterUnop("+", doubleType, doubleType, nop); 512 enterUnop("+", floatType, floatType, nop); 513 enterUnop("+", longType, longType, nop); 514 enterUnop("+", intType, intType, nop); 515 516 enterUnop("-", doubleType, doubleType, dneg); 517 enterUnop("-", floatType, floatType, fneg); 518 enterUnop("-", longType, longType, lneg); 519 enterUnop("-", intType, intType, ineg); 520 521 enterUnop("~", longType, longType, lxor); 522 enterUnop("~", intType, intType, ixor); 523 524 enterUnop("++", doubleType, doubleType, dadd); 525 enterUnop("++", floatType, floatType, fadd); 526 enterUnop("++", longType, longType, ladd); 527 enterUnop("++", intType, intType, iadd); 528 enterUnop("++", charType, charType, iadd); 529 enterUnop("++", shortType, shortType, iadd); 530 enterUnop("++", byteType, byteType, iadd); 531 532 enterUnop("--", doubleType, doubleType, dsub); 533 enterUnop("--", floatType, floatType, fsub); 534 enterUnop("--", longType, longType, lsub); 535 enterUnop("--", intType, intType, isub); 536 enterUnop("--", charType, charType, isub); 537 enterUnop("--", shortType, shortType, isub); 538 enterUnop("--", byteType, byteType, isub); 539 540 enterUnop("!", booleanType, booleanType, bool_not); 541 nullcheck = enterUnop("<*nullchk*>", objectType, objectType, nullchk); 542 543 // string concatenation 544 enterBinop("+", stringType, objectType, stringType, string_add); 545 enterBinop("+", objectType, stringType, stringType, string_add); 546 enterBinop("+", stringType, stringType, stringType, string_add); 547 enterBinop("+", stringType, intType, stringType, string_add); 548 enterBinop("+", stringType, longType, stringType, string_add); 549 enterBinop("+", stringType, floatType, stringType, string_add); 550 enterBinop("+", stringType, doubleType, stringType, string_add); 551 enterBinop("+", stringType, booleanType, stringType, string_add); 552 enterBinop("+", stringType, botType, stringType, string_add); 553 enterBinop("+", intType, stringType, stringType, string_add); 554 enterBinop("+", longType, stringType, stringType, string_add); 555 enterBinop("+", floatType, stringType, stringType, string_add); 556 enterBinop("+", doubleType, stringType, stringType, string_add); 557 enterBinop("+", booleanType, stringType, stringType, string_add); 558 enterBinop("+", botType, stringType, stringType, string_add); 559 560 // these errors would otherwise be matched as string concatenation 561 enterBinop("+", botType, botType, botType, error); 562 enterBinop("+", botType, intType, botType, error); 563 enterBinop("+", botType, longType, botType, error); 564 enterBinop("+", botType, floatType, botType, error); 565 enterBinop("+", botType, doubleType, botType, error); 566 enterBinop("+", botType, booleanType, botType, error); 567 enterBinop("+", botType, objectType, botType, error); 568 enterBinop("+", intType, botType, botType, error); 569 enterBinop("+", longType, botType, botType, error); 570 enterBinop("+", floatType, botType, botType, error); 571 enterBinop("+", doubleType, botType, botType, error); 572 enterBinop("+", booleanType, botType, botType, error); 573 enterBinop("+", objectType, botType, botType, error); 574 575 enterBinop("+", doubleType, doubleType, doubleType, dadd); 576 enterBinop("+", floatType, floatType, floatType, fadd); 577 enterBinop("+", longType, longType, longType, ladd); 578 enterBinop("+", intType, intType, intType, iadd); 579 580 enterBinop("-", doubleType, doubleType, doubleType, dsub); 581 enterBinop("-", floatType, floatType, floatType, fsub); 582 enterBinop("-", longType, longType, longType, lsub); 583 enterBinop("-", intType, intType, intType, isub); 584 585 enterBinop("*", doubleType, doubleType, doubleType, dmul); 586 enterBinop("*", floatType, floatType, floatType, fmul); 587 enterBinop("*", longType, longType, longType, lmul); 588 enterBinop("*", intType, intType, intType, imul); 589 590 enterBinop("/", doubleType, doubleType, doubleType, ddiv); 591 enterBinop("/", floatType, floatType, floatType, fdiv); 592 enterBinop("/", longType, longType, longType, ldiv); 593 enterBinop("/", intType, intType, intType, idiv); 594 595 enterBinop("%", doubleType, doubleType, doubleType, dmod); 596 enterBinop("%", floatType, floatType, floatType, fmod); 597 enterBinop("%", longType, longType, longType, lmod); 598 enterBinop("%", intType, intType, intType, imod); 599 600 enterBinop("&", booleanType, booleanType, booleanType, iand); 601 enterBinop("&", longType, longType, longType, land); 602 enterBinop("&", intType, intType, intType, iand); 603 604 enterBinop("|", booleanType, booleanType, booleanType, ior); 605 enterBinop("|", longType, longType, longType, lor); 606 enterBinop("|", intType, intType, intType, ior); 607 608 enterBinop("^", booleanType, booleanType, booleanType, ixor); 609 enterBinop("^", longType, longType, longType, lxor); 610 enterBinop("^", intType, intType, intType, ixor); 611 612 enterBinop("<<", longType, longType, longType, lshll); 613 enterBinop("<<", intType, longType, intType, ishll); 614 enterBinop("<<", longType, intType, longType, lshl); 615 enterBinop("<<", intType, intType, intType, ishl); 616 617 enterBinop(">>", longType, longType, longType, lshrl); 618 enterBinop(">>", intType, longType, intType, ishrl); 619 enterBinop(">>", longType, intType, longType, lshr); 620 enterBinop(">>", intType, intType, intType, ishr); 621 622 enterBinop(">>>", longType, longType, longType, lushrl); 623 enterBinop(">>>", intType, longType, intType, iushrl); 624 enterBinop(">>>", longType, intType, longType, lushr); 625 enterBinop(">>>", intType, intType, intType, iushr); 626 627 enterBinop("<", doubleType, doubleType, booleanType, dcmpg, iflt); 628 enterBinop("<", floatType, floatType, booleanType, fcmpg, iflt); 629 enterBinop("<", longType, longType, booleanType, lcmp, iflt); 630 enterBinop("<", intType, intType, booleanType, if_icmplt); 631 632 enterBinop(">", doubleType, doubleType, booleanType, dcmpl, ifgt); 633 enterBinop(">", floatType, floatType, booleanType, fcmpl, ifgt); 634 enterBinop(">", longType, longType, booleanType, lcmp, ifgt); 635 enterBinop(">", intType, intType, booleanType, if_icmpgt); 636 637 enterBinop("<=", doubleType, doubleType, booleanType, dcmpg, ifle); 638 enterBinop("<=", floatType, floatType, booleanType, fcmpg, ifle); 639 enterBinop("<=", longType, longType, booleanType, lcmp, ifle); 640 enterBinop("<=", intType, intType, booleanType, if_icmple); 641 642 enterBinop(">=", doubleType, doubleType, booleanType, dcmpl, ifge); 643 enterBinop(">=", floatType, floatType, booleanType, fcmpl, ifge); 644 enterBinop(">=", longType, longType, booleanType, lcmp, ifge); 645 enterBinop(">=", intType, intType, booleanType, if_icmpge); 646 647 enterBinop("==", objectType, objectType, booleanType, if_acmpeq); 648 enterBinop("==", booleanType, booleanType, booleanType, if_icmpeq); 649 enterBinop("==", doubleType, doubleType, booleanType, dcmpl, ifeq); 650 enterBinop("==", floatType, floatType, booleanType, fcmpl, ifeq); 651 enterBinop("==", longType, longType, booleanType, lcmp, ifeq); 652 enterBinop("==", intType, intType, booleanType, if_icmpeq); 653 654 enterBinop("!=", objectType, objectType, booleanType, if_acmpne); 655 enterBinop("!=", booleanType, booleanType, booleanType, if_icmpne); 656 enterBinop("!=", doubleType, doubleType, booleanType, dcmpl, ifne); 657 enterBinop("!=", floatType, floatType, booleanType, fcmpl, ifne); 658 enterBinop("!=", longType, longType, booleanType, lcmp, ifne); 659 enterBinop("!=", intType, intType, booleanType, if_icmpne); 660 661 enterBinop("&&", booleanType, booleanType, booleanType, bool_and); 662 enterBinop("||", booleanType, booleanType, booleanType, bool_or); 663 } 664 }