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 public final Type autoCloseableType; 152 153 /** The symbol representing the length field of an array. 154 */ 155 public final VarSymbol lengthVar; 156 157 /** The null check operator. */ 158 public final OperatorSymbol nullcheck; 159 160 /** The symbol representing the final finalize method on enums */ 161 public final MethodSymbol enumFinalFinalize; 162 163 /** The symbol representing the close method on TWR AutoCloseable type */ 164 public final MethodSymbol autoCloseableClose; 165 166 /** The predefined type that belongs to a tag. 167 */ 168 public final Type[] typeOfTag = new Type[TypeTags.TypeTagCount]; 169 170 /** The name of the class that belongs to a basix type tag. 171 */ 172 public final Name[] boxedName = new Name[TypeTags.TypeTagCount]; 173 174 /** A hashtable containing the encountered top-level and member classes, 175 * indexed by flat names. The table does not contain local classes. 176 * It should be updated from the outside to reflect classes defined 177 * by compiled source files. 178 */ 179 public final Map<Name, ClassSymbol> classes = new HashMap<Name, ClassSymbol>(); 180 181 /** A hashtable containing the encountered packages. 182 * the table should be updated from outside to reflect packages defined 183 * by compiled source files. 184 */ 185 public final Map<Name, PackageSymbol> packages = new HashMap<Name, PackageSymbol>(); 186 187 public void initType(Type type, ClassSymbol c) { 188 type.tsym = c; 189 typeOfTag[type.tag] = type; 190 } 191 192 public void initType(Type type, String name) { 193 initType( 194 type, 195 new ClassSymbol( 196 PUBLIC, names.fromString(name), type, rootPackage)); 197 } 198 199 public void initType(Type type, String name, String bname) { 200 initType(type, name); 201 boxedName[type.tag] = names.fromString("java.lang." + bname); 202 } 203 204 /** The class symbol that owns all predefined symbols. 205 */ 206 public final ClassSymbol predefClass; 207 208 /** Enter a constant into symbol table. 209 * @param name The constant's name. 210 * @param type The constant's type. 211 */ 212 private VarSymbol enterConstant(String name, Type type) { 213 VarSymbol c = new VarSymbol( 214 PUBLIC | STATIC | FINAL, 215 names.fromString(name), 216 type, 217 predefClass); 218 c.setData(type.constValue()); 219 predefClass.members().enter(c); 220 return c; 221 } 222 223 /** Enter a binary operation into symbol table. 224 * @param name The name of the operator. 225 * @param left The type of the left operand. 226 * @param right The type of the left operand. 227 * @param res The operation's result type. 228 * @param opcode The operation's bytecode instruction. 229 */ 230 private void enterBinop(String name, 231 Type left, Type right, Type res, 232 int opcode) { 233 predefClass.members().enter( 234 new OperatorSymbol( 235 names.fromString(name), 236 new MethodType(List.of(left, right), res, 237 List.<Type>nil(), methodClass), 238 opcode, 239 predefClass)); 240 } 241 242 /** Enter a binary operation, as above but with two opcodes, 243 * which get encoded as (opcode1 << ByteCodeTags.preShift) + opcode2. 244 * @param opcode1 First opcode. 245 * @param opcode2 Second opcode. 246 */ 247 private void enterBinop(String name, 248 Type left, Type right, Type res, 249 int opcode1, int opcode2) { 250 enterBinop( 251 name, left, right, res, (opcode1 << ByteCodes.preShift) | opcode2); 252 } 253 254 /** Enter a unary operation into symbol table. 255 * @param name The name of the operator. 256 * @param arg The type of the operand. 257 * @param res The operation's result type. 258 * @param opcode The operation's bytecode instruction. 259 */ 260 private OperatorSymbol enterUnop(String name, 261 Type arg, 262 Type res, 263 int opcode) { 264 OperatorSymbol sym = 265 new OperatorSymbol(names.fromString(name), 266 new MethodType(List.of(arg), 267 res, 268 List.<Type>nil(), 269 methodClass), 270 opcode, 271 predefClass); 272 predefClass.members().enter(sym); 273 return sym; 274 } 275 276 /** Enter a class into symbol table. 277 * @param The name of the class. 278 */ 279 private Type enterClass(String s) { 280 return reader.enterClass(names.fromString(s)).type; 281 } 282 283 public void synthesizeEmptyInterfaceIfMissing(final Type type) { 284 final Completer completer = type.tsym.completer; 285 if (completer != null) { 286 type.tsym.completer = new Completer() { 287 public void complete(Symbol sym) throws CompletionFailure { 288 try { 289 completer.complete(sym); 290 } catch (CompletionFailure e) { 291 sym.flags_field |= (PUBLIC | INTERFACE); 292 ((ClassType) sym.type).supertype_field = objectType; 293 } 294 } 295 }; 296 } 297 } 298 299 public void synthesizeBoxTypeIfMissing(final Type type) { 300 ClassSymbol sym = reader.enterClass(boxedName[type.tag]); 301 final Completer completer = sym.completer; 302 if (completer != null) { 303 sym.completer = new Completer() { 304 public void complete(Symbol sym) throws CompletionFailure { 305 try { 306 completer.complete(sym); 307 } catch (CompletionFailure e) { 308 sym.flags_field |= PUBLIC; 309 ((ClassType) sym.type).supertype_field = objectType; 310 Name n = target.boxWithConstructors() ? names.init : names.valueOf; 311 MethodSymbol boxMethod = 312 new MethodSymbol(PUBLIC | STATIC, 313 n, 314 new MethodType(List.of(type), sym.type, 315 List.<Type>nil(), methodClass), 316 sym); 317 sym.members().enter(boxMethod); 318 MethodSymbol unboxMethod = 319 new MethodSymbol(PUBLIC, 320 type.tsym.name.append(names.Value), // x.intValue() 321 new MethodType(List.<Type>nil(), type, 322 List.<Type>nil(), methodClass), 323 sym); 324 sym.members().enter(unboxMethod); 325 } 326 } 327 }; 328 } 329 330 } 331 332 /** Constructor; enters all predefined identifiers and operators 333 * into symbol table. 334 */ 335 protected Symtab(Context context) throws CompletionFailure { 336 context.put(symtabKey, this); 337 338 names = Names.instance(context); 339 target = Target.instance(context); 340 341 // Create the unknown type 342 unknownType = new Type(TypeTags.UNKNOWN, null); 343 344 // create the basic builtin symbols 345 rootPackage = new PackageSymbol(names.empty, null); 346 final JavacMessages messages = JavacMessages.instance(context); 347 unnamedPackage = new PackageSymbol(names.empty, rootPackage) { 348 public String toString() { 349 return messages.getLocalizedString("compiler.misc.unnamed.package"); 350 } 351 }; 352 noSymbol = new TypeSymbol(0, names.empty, Type.noType, rootPackage); 353 noSymbol.kind = Kinds.NIL; 354 355 // create the error symbols 356 errSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.any, null, rootPackage); 357 errType = new ErrorType(errSymbol, Type.noType); 358 359 // initialize builtin types 360 initType(byteType, "byte", "Byte"); 361 initType(shortType, "short", "Short"); 362 initType(charType, "char", "Character"); 363 initType(intType, "int", "Integer"); 364 initType(longType, "long", "Long"); 365 initType(floatType, "float", "Float"); 366 initType(doubleType, "double", "Double"); 367 initType(booleanType, "boolean", "Boolean"); 368 initType(voidType, "void", "Void"); 369 initType(botType, "<nulltype>"); 370 initType(errType, errSymbol); 371 initType(unknownType, "<any?>"); 372 373 // the builtin class of all arrays 374 arrayClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Array, noSymbol); 375 376 // VGJ 377 boundClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Bound, noSymbol); 378 379 // the builtin class of all methods 380 methodClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Method, noSymbol); 381 382 // Create class to hold all predefined constants and operations. 383 predefClass = new ClassSymbol(PUBLIC|ACYCLIC, names.empty, rootPackage); 384 Scope scope = new Scope(predefClass); 385 predefClass.members_field = scope; 386 387 // Enter symbols for basic types. 388 scope.enter(byteType.tsym); 389 scope.enter(shortType.tsym); 390 scope.enter(charType.tsym); 391 scope.enter(intType.tsym); 392 scope.enter(longType.tsym); 393 scope.enter(floatType.tsym); 394 scope.enter(doubleType.tsym); 395 scope.enter(booleanType.tsym); 396 scope.enter(errType.tsym); 397 398 // Enter symbol for the errSymbol 399 scope.enter(errSymbol); 400 401 classes.put(predefClass.fullname, predefClass); 402 403 reader = ClassReader.instance(context); 404 reader.init(this); 405 406 // Enter predefined classes. 407 objectType = enterClass("java.lang.Object"); 408 classType = enterClass("java.lang.Class"); 409 stringType = enterClass("java.lang.String"); 410 stringBufferType = enterClass("java.lang.StringBuffer"); 411 stringBuilderType = enterClass("java.lang.StringBuilder"); 412 cloneableType = enterClass("java.lang.Cloneable"); 413 throwableType = enterClass("java.lang.Throwable"); 414 serializableType = enterClass("java.io.Serializable"); 415 methodHandleType = enterClass("java.dyn.MethodHandle"); 416 polymorphicSignatureType = enterClass("java.dyn.MethodHandle$PolymorphicSignature"); 417 invokeDynamicType = enterClass("java.dyn.InvokeDynamic"); 418 errorType = enterClass("java.lang.Error"); 419 illegalArgumentExceptionType = enterClass("java.lang.IllegalArgumentException"); 420 exceptionType = enterClass("java.lang.Exception"); 421 runtimeExceptionType = enterClass("java.lang.RuntimeException"); 422 classNotFoundExceptionType = enterClass("java.lang.ClassNotFoundException"); 423 noClassDefFoundErrorType = enterClass("java.lang.NoClassDefFoundError"); 424 noSuchFieldErrorType = enterClass("java.lang.NoSuchFieldError"); 425 assertionErrorType = enterClass("java.lang.AssertionError"); 426 cloneNotSupportedExceptionType = enterClass("java.lang.CloneNotSupportedException"); 427 annotationType = enterClass("java.lang.annotation.Annotation"); 428 classLoaderType = enterClass("java.lang.ClassLoader"); 429 enumSym = reader.enterClass(names.java_lang_Enum); 430 enumFinalFinalize = 431 new MethodSymbol(PROTECTED|FINAL|HYPOTHETICAL, 432 names.finalize, 433 new MethodType(List.<Type>nil(), voidType, 434 List.<Type>nil(), methodClass), 435 enumSym); 436 listType = enterClass("java.util.List"); 437 collectionsType = enterClass("java.util.Collections"); 438 comparableType = enterClass("java.lang.Comparable"); 439 arraysType = enterClass("java.util.Arrays"); 440 iterableType = target.hasIterable() 441 ? enterClass("java.lang.Iterable") 442 : enterClass("java.util.Collection"); 443 iteratorType = enterClass("java.util.Iterator"); 444 annotationTargetType = enterClass("java.lang.annotation.Target"); 445 overrideType = enterClass("java.lang.Override"); 446 retentionType = enterClass("java.lang.annotation.Retention"); 447 deprecatedType = enterClass("java.lang.Deprecated"); 448 suppressWarningsType = enterClass("java.lang.SuppressWarnings"); 449 inheritedType = enterClass("java.lang.annotation.Inherited"); 450 systemType = enterClass("java.lang.System"); 451 autoCloseableType = enterClass("java.lang.AutoCloseable"); 452 autoCloseableClose = new MethodSymbol(PUBLIC, 453 names.close, 454 new MethodType(List.<Type>nil(), voidType, 455 List.of(exceptionType), methodClass), 456 autoCloseableType.tsym); 457 458 synthesizeEmptyInterfaceIfMissing(cloneableType); 459 synthesizeEmptyInterfaceIfMissing(serializableType); 460 synthesizeEmptyInterfaceIfMissing(polymorphicSignatureType); 461 synthesizeBoxTypeIfMissing(doubleType); 462 synthesizeBoxTypeIfMissing(floatType); 463 synthesizeBoxTypeIfMissing(voidType); 464 465 // Enter a synthetic class that is used to mark internal 466 // proprietary classes in ct.sym. This class does not have a 467 // class file. 468 ClassType proprietaryType = (ClassType)enterClass("sun.Proprietary+Annotation"); 469 this.proprietaryType = proprietaryType; 470 ClassSymbol proprietarySymbol = (ClassSymbol)proprietaryType.tsym; 471 proprietarySymbol.completer = null; 472 proprietarySymbol.flags_field = PUBLIC|ACYCLIC|ANNOTATION|INTERFACE; 473 proprietarySymbol.erasure_field = proprietaryType; 474 proprietarySymbol.members_field = new Scope(proprietarySymbol); 475 proprietaryType.typarams_field = List.nil(); 476 proprietaryType.allparams_field = List.nil(); 477 proprietaryType.supertype_field = annotationType; 478 proprietaryType.interfaces_field = List.nil(); 479 480 // Enter a class for arrays. 481 // The class implements java.lang.Cloneable and java.io.Serializable. 482 // It has a final length field and a clone method. 483 ClassType arrayClassType = (ClassType)arrayClass.type; 484 arrayClassType.supertype_field = objectType; 485 arrayClassType.interfaces_field = List.of(cloneableType, serializableType); 486 arrayClass.members_field = new Scope(arrayClass); 487 lengthVar = new VarSymbol( 488 PUBLIC | FINAL, 489 names.length, 490 intType, 491 arrayClass); 492 arrayClass.members().enter(lengthVar); 493 arrayCloneMethod = new MethodSymbol( 494 PUBLIC, 495 names.clone, 496 new MethodType(List.<Type>nil(), objectType, 497 List.<Type>nil(), methodClass), 498 arrayClass); 499 arrayClass.members().enter(arrayCloneMethod); 500 501 // Enter operators. 502 enterUnop("+", doubleType, doubleType, nop); 503 enterUnop("+", floatType, floatType, nop); 504 enterUnop("+", longType, longType, nop); 505 enterUnop("+", intType, intType, nop); 506 507 enterUnop("-", doubleType, doubleType, dneg); 508 enterUnop("-", floatType, floatType, fneg); 509 enterUnop("-", longType, longType, lneg); 510 enterUnop("-", intType, intType, ineg); 511 512 enterUnop("~", longType, longType, lxor); 513 enterUnop("~", intType, intType, ixor); 514 515 enterUnop("++", doubleType, doubleType, dadd); 516 enterUnop("++", floatType, floatType, fadd); 517 enterUnop("++", longType, longType, ladd); 518 enterUnop("++", intType, intType, iadd); 519 enterUnop("++", charType, charType, iadd); 520 enterUnop("++", shortType, shortType, iadd); 521 enterUnop("++", byteType, byteType, iadd); 522 523 enterUnop("--", doubleType, doubleType, dsub); 524 enterUnop("--", floatType, floatType, fsub); 525 enterUnop("--", longType, longType, lsub); 526 enterUnop("--", intType, intType, isub); 527 enterUnop("--", charType, charType, isub); 528 enterUnop("--", shortType, shortType, isub); 529 enterUnop("--", byteType, byteType, isub); 530 531 enterUnop("!", booleanType, booleanType, bool_not); 532 nullcheck = enterUnop("<*nullchk*>", objectType, objectType, nullchk); 533 534 // string concatenation 535 enterBinop("+", stringType, objectType, stringType, string_add); 536 enterBinop("+", objectType, stringType, stringType, string_add); 537 enterBinop("+", stringType, stringType, stringType, string_add); 538 enterBinop("+", stringType, intType, stringType, string_add); 539 enterBinop("+", stringType, longType, stringType, string_add); 540 enterBinop("+", stringType, floatType, stringType, string_add); 541 enterBinop("+", stringType, doubleType, stringType, string_add); 542 enterBinop("+", stringType, booleanType, stringType, string_add); 543 enterBinop("+", stringType, botType, stringType, string_add); 544 enterBinop("+", intType, stringType, stringType, string_add); 545 enterBinop("+", longType, stringType, stringType, string_add); 546 enterBinop("+", floatType, stringType, stringType, string_add); 547 enterBinop("+", doubleType, stringType, stringType, string_add); 548 enterBinop("+", booleanType, stringType, stringType, string_add); 549 enterBinop("+", botType, stringType, stringType, string_add); 550 551 // these errors would otherwise be matched as string concatenation 552 enterBinop("+", botType, botType, botType, error); 553 enterBinop("+", botType, intType, botType, error); 554 enterBinop("+", botType, longType, botType, error); 555 enterBinop("+", botType, floatType, botType, error); 556 enterBinop("+", botType, doubleType, botType, error); 557 enterBinop("+", botType, booleanType, botType, error); 558 enterBinop("+", botType, objectType, botType, error); 559 enterBinop("+", intType, botType, botType, error); 560 enterBinop("+", longType, botType, botType, error); 561 enterBinop("+", floatType, botType, botType, error); 562 enterBinop("+", doubleType, botType, botType, error); 563 enterBinop("+", booleanType, botType, botType, error); 564 enterBinop("+", objectType, botType, botType, error); 565 566 enterBinop("+", doubleType, doubleType, doubleType, dadd); 567 enterBinop("+", floatType, floatType, floatType, fadd); 568 enterBinop("+", longType, longType, longType, ladd); 569 enterBinop("+", intType, intType, intType, iadd); 570 571 enterBinop("-", doubleType, doubleType, doubleType, dsub); 572 enterBinop("-", floatType, floatType, floatType, fsub); 573 enterBinop("-", longType, longType, longType, lsub); 574 enterBinop("-", intType, intType, intType, isub); 575 576 enterBinop("*", doubleType, doubleType, doubleType, dmul); 577 enterBinop("*", floatType, floatType, floatType, fmul); 578 enterBinop("*", longType, longType, longType, lmul); 579 enterBinop("*", intType, intType, intType, imul); 580 581 enterBinop("/", doubleType, doubleType, doubleType, ddiv); 582 enterBinop("/", floatType, floatType, floatType, fdiv); 583 enterBinop("/", longType, longType, longType, ldiv); 584 enterBinop("/", intType, intType, intType, idiv); 585 586 enterBinop("%", doubleType, doubleType, doubleType, dmod); 587 enterBinop("%", floatType, floatType, floatType, fmod); 588 enterBinop("%", longType, longType, longType, lmod); 589 enterBinop("%", intType, intType, intType, imod); 590 591 enterBinop("&", booleanType, booleanType, booleanType, iand); 592 enterBinop("&", longType, longType, longType, land); 593 enterBinop("&", intType, intType, intType, iand); 594 595 enterBinop("|", booleanType, booleanType, booleanType, ior); 596 enterBinop("|", longType, longType, longType, lor); 597 enterBinop("|", intType, intType, intType, ior); 598 599 enterBinop("^", booleanType, booleanType, booleanType, ixor); 600 enterBinop("^", longType, longType, longType, lxor); 601 enterBinop("^", intType, intType, intType, ixor); 602 603 enterBinop("<<", longType, longType, longType, lshll); 604 enterBinop("<<", intType, longType, intType, ishll); 605 enterBinop("<<", longType, intType, longType, lshl); 606 enterBinop("<<", intType, intType, intType, ishl); 607 608 enterBinop(">>", longType, longType, longType, lshrl); 609 enterBinop(">>", intType, longType, intType, ishrl); 610 enterBinop(">>", longType, intType, longType, lshr); 611 enterBinop(">>", intType, intType, intType, ishr); 612 613 enterBinop(">>>", longType, longType, longType, lushrl); 614 enterBinop(">>>", intType, longType, intType, iushrl); 615 enterBinop(">>>", longType, intType, longType, lushr); 616 enterBinop(">>>", intType, intType, intType, iushr); 617 618 enterBinop("<", doubleType, doubleType, booleanType, dcmpg, iflt); 619 enterBinop("<", floatType, floatType, booleanType, fcmpg, iflt); 620 enterBinop("<", longType, longType, booleanType, lcmp, iflt); 621 enterBinop("<", intType, intType, booleanType, if_icmplt); 622 623 enterBinop(">", doubleType, doubleType, booleanType, dcmpl, ifgt); 624 enterBinop(">", floatType, floatType, booleanType, fcmpl, ifgt); 625 enterBinop(">", longType, longType, booleanType, lcmp, ifgt); 626 enterBinop(">", intType, intType, booleanType, if_icmpgt); 627 628 enterBinop("<=", doubleType, doubleType, booleanType, dcmpg, ifle); 629 enterBinop("<=", floatType, floatType, booleanType, fcmpg, ifle); 630 enterBinop("<=", longType, longType, booleanType, lcmp, ifle); 631 enterBinop("<=", intType, intType, booleanType, if_icmple); 632 633 enterBinop(">=", doubleType, doubleType, booleanType, dcmpl, ifge); 634 enterBinop(">=", floatType, floatType, booleanType, fcmpl, ifge); 635 enterBinop(">=", longType, longType, booleanType, lcmp, ifge); 636 enterBinop(">=", intType, intType, booleanType, if_icmpge); 637 638 enterBinop("==", objectType, objectType, booleanType, if_acmpeq); 639 enterBinop("==", booleanType, booleanType, booleanType, if_icmpeq); 640 enterBinop("==", doubleType, doubleType, booleanType, dcmpl, ifeq); 641 enterBinop("==", floatType, floatType, booleanType, fcmpl, ifeq); 642 enterBinop("==", longType, longType, booleanType, lcmp, ifeq); 643 enterBinop("==", intType, intType, booleanType, if_icmpeq); 644 645 enterBinop("!=", objectType, objectType, booleanType, if_acmpne); 646 enterBinop("!=", booleanType, booleanType, booleanType, if_icmpne); 647 enterBinop("!=", doubleType, doubleType, booleanType, dcmpl, ifne); 648 enterBinop("!=", floatType, floatType, booleanType, fcmpl, ifne); 649 enterBinop("!=", longType, longType, booleanType, lcmp, ifne); 650 enterBinop("!=", intType, intType, booleanType, if_icmpne); 651 652 enterBinop("&&", booleanType, booleanType, booleanType, bool_and); 653 enterBinop("||", booleanType, booleanType, booleanType, bool_or); 654 } 655 }