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 polymorphicSignatureType; 124 public final Type invokeDynamicType; 125 public final Type throwableType; 126 public final Type errorType; 127 public final Type illegalArgumentExceptionType; 128 public final Type exceptionType; 129 public final Type runtimeExceptionType; 130 public final Type classNotFoundExceptionType; 131 public final Type noClassDefFoundErrorType; 132 public final Type noSuchFieldErrorType; 133 public final Type assertionErrorType; 134 public final Type cloneNotSupportedExceptionType; 135 public final Type annotationType; 136 public final TypeSymbol enumSym; 137 public final Type listType; 138 public final Type collectionsType; 139 public final Type comparableType; 140 public final Type arraysType; 141 public final Type iterableType; 142 public final Type iteratorType; 143 public final Type annotationTargetType; 144 public final Type overrideType; 145 public final Type retentionType; 146 public final Type deprecatedType; 147 public final Type suppressWarningsType; 148 public final Type inheritedType; 149 public final Type proprietaryType; 150 public final Type systemType; 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 synthesizeBoxTypeIfMissing(final Type type) { 296 ClassSymbol sym = reader.enterClass(boxedName[type.tag]); 297 final Completer completer = sym.completer; 298 if (completer != null) { 299 sym.completer = new Completer() { 300 public void complete(Symbol sym) throws CompletionFailure { 301 try { 302 completer.complete(sym); 303 } catch (CompletionFailure e) { 304 sym.flags_field |= PUBLIC; 305 ((ClassType) sym.type).supertype_field = objectType; 306 Name n = target.boxWithConstructors() ? names.init : names.valueOf; 307 MethodSymbol boxMethod = 308 new MethodSymbol(PUBLIC | STATIC, 309 n, 310 new MethodType(List.of(type), sym.type, 311 List.<Type>nil(), methodClass), 312 sym); 313 sym.members().enter(boxMethod); 314 MethodSymbol unboxMethod = 315 new MethodSymbol(PUBLIC, 316 type.tsym.name.append(names.Value), // x.intValue() 317 new MethodType(List.<Type>nil(), type, 318 List.<Type>nil(), methodClass), 319 sym); 320 sym.members().enter(unboxMethod); 321 } 322 } 323 }; 324 } 325 326 } 327 328 /** Constructor; enters all predefined identifiers and operators 329 * into symbol table. 330 */ 331 protected Symtab(Context context) throws CompletionFailure { 332 context.put(symtabKey, this); 333 334 names = Names.instance(context); 335 target = Target.instance(context); 336 337 // Create the unknown type 338 unknownType = new Type(TypeTags.UNKNOWN, null); 339 340 // create the basic builtin symbols 341 rootPackage = new PackageSymbol(names.empty, null); 342 final JavacMessages messages = JavacMessages.instance(context); 343 unnamedPackage = new PackageSymbol(names.empty, rootPackage) { 344 public String toString() { 345 return messages.getLocalizedString("compiler.misc.unnamed.package"); 346 } 347 }; 348 noSymbol = new TypeSymbol(0, names.empty, Type.noType, rootPackage); 349 noSymbol.kind = Kinds.NIL; 350 351 // create the error symbols 352 errSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.any, null, rootPackage); 353 errType = new ErrorType(errSymbol, Type.noType); 354 355 // initialize builtin types 356 initType(byteType, "byte", "Byte"); 357 initType(shortType, "short", "Short"); 358 initType(charType, "char", "Character"); 359 initType(intType, "int", "Integer"); 360 initType(longType, "long", "Long"); 361 initType(floatType, "float", "Float"); 362 initType(doubleType, "double", "Double"); 363 initType(booleanType, "boolean", "Boolean"); 364 initType(voidType, "void", "Void"); 365 initType(botType, "<nulltype>"); 366 initType(errType, errSymbol); 367 initType(unknownType, "<any?>"); 368 369 // the builtin class of all arrays 370 arrayClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Array, noSymbol); 371 372 // VGJ 373 boundClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Bound, noSymbol); 374 375 // the builtin class of all methods 376 methodClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Method, noSymbol); 377 378 // Create class to hold all predefined constants and operations. 379 predefClass = new ClassSymbol(PUBLIC|ACYCLIC, names.empty, rootPackage); 380 Scope scope = new Scope(predefClass); 381 predefClass.members_field = scope; 382 383 // Enter symbols for basic types. 384 scope.enter(byteType.tsym); 385 scope.enter(shortType.tsym); 386 scope.enter(charType.tsym); 387 scope.enter(intType.tsym); 388 scope.enter(longType.tsym); 389 scope.enter(floatType.tsym); 390 scope.enter(doubleType.tsym); 391 scope.enter(booleanType.tsym); 392 scope.enter(errType.tsym); 393 394 // Enter symbol for the errSymbol 395 scope.enter(errSymbol); 396 397 classes.put(predefClass.fullname, predefClass); 398 399 reader = ClassReader.instance(context); 400 reader.init(this); 401 402 // Enter predefined classes. 403 objectType = enterClass("java.lang.Object"); 404 classType = enterClass("java.lang.Class"); 405 stringType = enterClass("java.lang.String"); 406 stringBufferType = enterClass("java.lang.StringBuffer"); 407 stringBuilderType = enterClass("java.lang.StringBuilder"); 408 cloneableType = enterClass("java.lang.Cloneable"); 409 throwableType = enterClass("java.lang.Throwable"); 410 serializableType = enterClass("java.io.Serializable"); 411 methodHandleType = enterClass("java.dyn.MethodHandle"); 412 polymorphicSignatureType = enterClass("java.dyn.MethodHandle$PolymorphicSignature"); 413 invokeDynamicType = enterClass("java.dyn.InvokeDynamic"); 414 errorType = enterClass("java.lang.Error"); 415 illegalArgumentExceptionType = enterClass("java.lang.IllegalArgumentException"); 416 exceptionType = enterClass("java.lang.Exception"); 417 runtimeExceptionType = enterClass("java.lang.RuntimeException"); 418 classNotFoundExceptionType = enterClass("java.lang.ClassNotFoundException"); 419 noClassDefFoundErrorType = enterClass("java.lang.NoClassDefFoundError"); 420 noSuchFieldErrorType = enterClass("java.lang.NoSuchFieldError"); 421 assertionErrorType = enterClass("java.lang.AssertionError"); 422 cloneNotSupportedExceptionType = enterClass("java.lang.CloneNotSupportedException"); 423 annotationType = enterClass("java.lang.annotation.Annotation"); 424 classLoaderType = enterClass("java.lang.ClassLoader"); 425 enumSym = reader.enterClass(names.java_lang_Enum); 426 enumFinalFinalize = 427 new MethodSymbol(PROTECTED|FINAL|HYPOTHETICAL, 428 names.finalize, 429 new MethodType(List.<Type>nil(), voidType, 430 List.<Type>nil(), methodClass), 431 enumSym); 432 listType = enterClass("java.util.List"); 433 collectionsType = enterClass("java.util.Collections"); 434 comparableType = enterClass("java.lang.Comparable"); 435 arraysType = enterClass("java.util.Arrays"); 436 iterableType = target.hasIterable() 437 ? enterClass("java.lang.Iterable") 438 : enterClass("java.util.Collection"); 439 iteratorType = enterClass("java.util.Iterator"); 440 annotationTargetType = enterClass("java.lang.annotation.Target"); 441 overrideType = enterClass("java.lang.Override"); 442 retentionType = enterClass("java.lang.annotation.Retention"); 443 deprecatedType = enterClass("java.lang.Deprecated"); 444 suppressWarningsType = enterClass("java.lang.SuppressWarnings"); 445 inheritedType = enterClass("java.lang.annotation.Inherited"); 446 systemType = enterClass("java.lang.System"); 447 448 synthesizeEmptyInterfaceIfMissing(cloneableType); 449 synthesizeEmptyInterfaceIfMissing(serializableType); 450 synthesizeEmptyInterfaceIfMissing(polymorphicSignatureType); 451 synthesizeBoxTypeIfMissing(doubleType); 452 synthesizeBoxTypeIfMissing(floatType); 453 synthesizeBoxTypeIfMissing(voidType); 454 455 // Enter a synthetic class that is used to mark internal 456 // proprietary classes in ct.sym. This class does not have a 457 // class file. 458 ClassType proprietaryType = (ClassType)enterClass("sun.Proprietary+Annotation"); 459 this.proprietaryType = proprietaryType; 460 ClassSymbol proprietarySymbol = (ClassSymbol)proprietaryType.tsym; 461 proprietarySymbol.completer = null; 462 proprietarySymbol.flags_field = PUBLIC|ACYCLIC|ANNOTATION|INTERFACE; 463 proprietarySymbol.erasure_field = proprietaryType; 464 proprietarySymbol.members_field = new Scope(proprietarySymbol); 465 proprietaryType.typarams_field = List.nil(); 466 proprietaryType.allparams_field = List.nil(); 467 proprietaryType.supertype_field = annotationType; 468 proprietaryType.interfaces_field = List.nil(); 469 470 // Enter a class for arrays. 471 // The class implements java.lang.Cloneable and java.io.Serializable. 472 // It has a final length field and a clone method. 473 ClassType arrayClassType = (ClassType)arrayClass.type; 474 arrayClassType.supertype_field = objectType; 475 arrayClassType.interfaces_field = List.of(cloneableType, serializableType); 476 arrayClass.members_field = new Scope(arrayClass); 477 lengthVar = new VarSymbol( 478 PUBLIC | FINAL, 479 names.length, 480 intType, 481 arrayClass); 482 arrayClass.members().enter(lengthVar); 483 arrayCloneMethod = new MethodSymbol( 484 PUBLIC, 485 names.clone, 486 new MethodType(List.<Type>nil(), objectType, 487 List.<Type>nil(), methodClass), 488 arrayClass); 489 arrayClass.members().enter(arrayCloneMethod); 490 491 // Enter operators. 492 enterUnop("+", doubleType, doubleType, nop); 493 enterUnop("+", floatType, floatType, nop); 494 enterUnop("+", longType, longType, nop); 495 enterUnop("+", intType, intType, nop); 496 497 enterUnop("-", doubleType, doubleType, dneg); 498 enterUnop("-", floatType, floatType, fneg); 499 enterUnop("-", longType, longType, lneg); 500 enterUnop("-", intType, intType, ineg); 501 502 enterUnop("~", longType, longType, lxor); 503 enterUnop("~", intType, intType, ixor); 504 505 enterUnop("++", doubleType, doubleType, dadd); 506 enterUnop("++", floatType, floatType, fadd); 507 enterUnop("++", longType, longType, ladd); 508 enterUnop("++", intType, intType, iadd); 509 enterUnop("++", charType, charType, iadd); 510 enterUnop("++", shortType, shortType, iadd); 511 enterUnop("++", byteType, byteType, iadd); 512 513 enterUnop("--", doubleType, doubleType, dsub); 514 enterUnop("--", floatType, floatType, fsub); 515 enterUnop("--", longType, longType, lsub); 516 enterUnop("--", intType, intType, isub); 517 enterUnop("--", charType, charType, isub); 518 enterUnop("--", shortType, shortType, isub); 519 enterUnop("--", byteType, byteType, isub); 520 521 enterUnop("!", booleanType, booleanType, bool_not); 522 nullcheck = enterUnop("<*nullchk*>", objectType, objectType, nullchk); 523 524 // string concatenation 525 enterBinop("+", stringType, objectType, stringType, string_add); 526 enterBinop("+", objectType, stringType, stringType, string_add); 527 enterBinop("+", stringType, stringType, stringType, string_add); 528 enterBinop("+", stringType, intType, stringType, string_add); 529 enterBinop("+", stringType, longType, stringType, string_add); 530 enterBinop("+", stringType, floatType, stringType, string_add); 531 enterBinop("+", stringType, doubleType, stringType, string_add); 532 enterBinop("+", stringType, booleanType, stringType, string_add); 533 enterBinop("+", stringType, botType, stringType, string_add); 534 enterBinop("+", intType, stringType, stringType, string_add); 535 enterBinop("+", longType, stringType, stringType, string_add); 536 enterBinop("+", floatType, stringType, stringType, string_add); 537 enterBinop("+", doubleType, stringType, stringType, string_add); 538 enterBinop("+", booleanType, stringType, stringType, string_add); 539 enterBinop("+", botType, stringType, stringType, string_add); 540 541 // these errors would otherwise be matched as string concatenation 542 enterBinop("+", botType, botType, botType, error); 543 enterBinop("+", botType, intType, botType, error); 544 enterBinop("+", botType, longType, botType, error); 545 enterBinop("+", botType, floatType, botType, error); 546 enterBinop("+", botType, doubleType, botType, error); 547 enterBinop("+", botType, booleanType, botType, error); 548 enterBinop("+", botType, objectType, botType, error); 549 enterBinop("+", intType, botType, botType, error); 550 enterBinop("+", longType, botType, botType, error); 551 enterBinop("+", floatType, botType, botType, error); 552 enterBinop("+", doubleType, botType, botType, error); 553 enterBinop("+", booleanType, botType, botType, error); 554 enterBinop("+", objectType, botType, botType, error); 555 556 enterBinop("+", doubleType, doubleType, doubleType, dadd); 557 enterBinop("+", floatType, floatType, floatType, fadd); 558 enterBinop("+", longType, longType, longType, ladd); 559 enterBinop("+", intType, intType, intType, iadd); 560 561 enterBinop("-", doubleType, doubleType, doubleType, dsub); 562 enterBinop("-", floatType, floatType, floatType, fsub); 563 enterBinop("-", longType, longType, longType, lsub); 564 enterBinop("-", intType, intType, intType, isub); 565 566 enterBinop("*", doubleType, doubleType, doubleType, dmul); 567 enterBinop("*", floatType, floatType, floatType, fmul); 568 enterBinop("*", longType, longType, longType, lmul); 569 enterBinop("*", intType, intType, intType, imul); 570 571 enterBinop("/", doubleType, doubleType, doubleType, ddiv); 572 enterBinop("/", floatType, floatType, floatType, fdiv); 573 enterBinop("/", longType, longType, longType, ldiv); 574 enterBinop("/", intType, intType, intType, idiv); 575 576 enterBinop("%", doubleType, doubleType, doubleType, dmod); 577 enterBinop("%", floatType, floatType, floatType, fmod); 578 enterBinop("%", longType, longType, longType, lmod); 579 enterBinop("%", intType, intType, intType, imod); 580 581 enterBinop("&", booleanType, booleanType, booleanType, iand); 582 enterBinop("&", longType, longType, longType, land); 583 enterBinop("&", intType, intType, intType, iand); 584 585 enterBinop("|", booleanType, booleanType, booleanType, ior); 586 enterBinop("|", longType, longType, longType, lor); 587 enterBinop("|", intType, intType, intType, ior); 588 589 enterBinop("^", booleanType, booleanType, booleanType, ixor); 590 enterBinop("^", longType, longType, longType, lxor); 591 enterBinop("^", intType, intType, intType, ixor); 592 593 enterBinop("<<", longType, longType, longType, lshll); 594 enterBinop("<<", intType, longType, intType, ishll); 595 enterBinop("<<", longType, intType, longType, lshl); 596 enterBinop("<<", intType, intType, intType, ishl); 597 598 enterBinop(">>", longType, longType, longType, lshrl); 599 enterBinop(">>", intType, longType, intType, ishrl); 600 enterBinop(">>", longType, intType, longType, lshr); 601 enterBinop(">>", intType, intType, intType, ishr); 602 603 enterBinop(">>>", longType, longType, longType, lushrl); 604 enterBinop(">>>", intType, longType, intType, iushrl); 605 enterBinop(">>>", longType, intType, longType, lushr); 606 enterBinop(">>>", intType, intType, intType, iushr); 607 608 enterBinop("<", doubleType, doubleType, booleanType, dcmpg, iflt); 609 enterBinop("<", floatType, floatType, booleanType, fcmpg, iflt); 610 enterBinop("<", longType, longType, booleanType, lcmp, iflt); 611 enterBinop("<", intType, intType, booleanType, if_icmplt); 612 613 enterBinop(">", doubleType, doubleType, booleanType, dcmpl, ifgt); 614 enterBinop(">", floatType, floatType, booleanType, fcmpl, ifgt); 615 enterBinop(">", longType, longType, booleanType, lcmp, ifgt); 616 enterBinop(">", intType, intType, booleanType, if_icmpgt); 617 618 enterBinop("<=", doubleType, doubleType, booleanType, dcmpg, ifle); 619 enterBinop("<=", floatType, floatType, booleanType, fcmpg, ifle); 620 enterBinop("<=", longType, longType, booleanType, lcmp, ifle); 621 enterBinop("<=", intType, intType, booleanType, if_icmple); 622 623 enterBinop(">=", doubleType, doubleType, booleanType, dcmpl, ifge); 624 enterBinop(">=", floatType, floatType, booleanType, fcmpl, ifge); 625 enterBinop(">=", longType, longType, booleanType, lcmp, ifge); 626 enterBinop(">=", intType, intType, booleanType, if_icmpge); 627 628 enterBinop("==", objectType, objectType, booleanType, if_acmpeq); 629 enterBinop("==", booleanType, booleanType, booleanType, if_icmpeq); 630 enterBinop("==", doubleType, doubleType, booleanType, dcmpl, ifeq); 631 enterBinop("==", floatType, floatType, booleanType, fcmpl, ifeq); 632 enterBinop("==", longType, longType, booleanType, lcmp, ifeq); 633 enterBinop("==", intType, intType, booleanType, if_icmpeq); 634 635 enterBinop("!=", objectType, objectType, booleanType, if_acmpne); 636 enterBinop("!=", booleanType, booleanType, booleanType, if_icmpne); 637 enterBinop("!=", doubleType, doubleType, booleanType, dcmpl, ifne); 638 enterBinop("!=", floatType, floatType, booleanType, fcmpl, ifne); 639 enterBinop("!=", longType, longType, booleanType, lcmp, ifne); 640 enterBinop("!=", intType, intType, booleanType, if_icmpne); 641 642 enterBinop("&&", booleanType, booleanType, booleanType, bool_and); 643 enterBinop("||", booleanType, booleanType, booleanType, bool_or); 644 } 645 }