1 /* 2 * Copyright (c) 1999, 2013, 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 javax.lang.model.element.ElementVisitor; 31 import javax.lang.model.type.TypeVisitor; 32 33 import com.sun.tools.javac.code.Symbol.*; 34 import com.sun.tools.javac.code.Type.*; 35 import com.sun.tools.javac.jvm.*; 36 import com.sun.tools.javac.util.*; 37 import com.sun.tools.javac.util.List; 38 import static com.sun.tools.javac.code.Flags.*; 39 import static com.sun.tools.javac.jvm.ByteCodes.*; 40 import static com.sun.tools.javac.code.TypeTag.*; 41 42 /** A class that defines all predefined constants and operators 43 * as well as special classes such as java.lang.Object, which need 44 * to be known to the compiler. All symbols are held in instance 45 * fields. This makes it possible to work in multiple concurrent 46 * projects, which might use different class files for library classes. 47 * 48 * <p><b>This is NOT part of any supported API. 49 * If you write code that depends on this, you do so at your own risk. 50 * This code and its internal interfaces are subject to change or 51 * deletion without notice.</b> 52 */ 53 public class Symtab { 54 /** The context key for the symbol table. */ 55 protected static final Context.Key<Symtab> symtabKey = 56 new Context.Key<Symtab>(); 57 58 /** Get the symbol table instance. */ 59 public static Symtab instance(Context context) { 60 Symtab instance = context.get(symtabKey); 61 if (instance == null) 62 instance = new Symtab(context); 63 return instance; 64 } 65 66 /** Builtin types. 67 */ 68 public final Type byteType = new Type(BYTE, null); 69 public final Type charType = new Type(CHAR, null); 70 public final Type shortType = new Type(SHORT, null); 71 public final Type intType = new Type(INT, null); 72 public final Type longType = new Type(LONG, null); 73 public final Type floatType = new Type(FLOAT, null); 74 public final Type doubleType = new Type(DOUBLE, null); 75 public final Type booleanType = new Type(BOOLEAN, null); 76 public final Type botType = new BottomType(); 77 public final JCNoType voidType = new JCNoType(VOID); 78 79 private final Names names; 80 private final ClassReader reader; 81 private final Target target; 82 83 /** A symbol for the root package. 84 */ 85 public final PackageSymbol rootPackage; 86 87 /** A symbol for the unnamed package. 88 */ 89 public final PackageSymbol unnamedPackage; 90 91 /** A symbol that stands for a missing symbol. 92 */ 93 public final TypeSymbol noSymbol; 94 95 /** The error symbol. 96 */ 97 public final ClassSymbol errSymbol; 98 99 /** The unknown symbol. 100 */ 101 public final ClassSymbol unknownSymbol; 102 103 /** A value for the errType, with a originalType of noType */ 104 public final Type errType; 105 106 /** A value for the unknown type. */ 107 public final Type unknownType; 108 109 /** The builtin type of all arrays. */ 110 public final ClassSymbol arrayClass; 111 public final MethodSymbol arrayCloneMethod; 112 113 /** VGJ: The (singleton) type of all bound types. */ 114 public final ClassSymbol boundClass; 115 116 /** The builtin type of all methods. */ 117 public final ClassSymbol methodClass; 118 119 /** Predefined types. 120 */ 121 public final Type objectType; 122 public final Type classType; 123 public final Type classLoaderType; 124 public final Type stringType; 125 public final Type stringBufferType; 126 public final Type stringBuilderType; 127 public final Type cloneableType; 128 public final Type serializableType; 129 public final Type serializedLambdaType; 130 public final Type methodHandleType; 131 public final Type methodHandleLookupType; 132 public final Type methodTypeType; 133 public final Type nativeHeaderType; 134 public final Type throwableType; 135 public final Type errorType; 136 public final Type interruptedExceptionType; 137 public final Type illegalArgumentExceptionType; 138 public final Type exceptionType; 139 public final Type runtimeExceptionType; 140 public final Type classNotFoundExceptionType; 141 public final Type noClassDefFoundErrorType; 142 public final Type noSuchFieldErrorType; 143 public final Type assertionErrorType; 144 public final Type cloneNotSupportedExceptionType; 145 public final Type annotationType; 146 public final TypeSymbol enumSym; 147 public final Type listType; 148 public final Type collectionsType; 149 public final Type comparableType; 150 public final Type comparatorType; 151 public final Type arraysType; 152 public final Type iterableType; 153 public final Type iteratorType; 154 public final Type annotationTargetType; 155 public final Type overrideType; 156 public final Type retentionType; 157 public final Type deprecatedType; 158 public final Type suppressWarningsType; 159 public final Type inheritedType; 160 public final Type profileType; 161 public final Type proprietaryType; 162 public final Type systemType; 163 public final Type autoCloseableType; 164 public final Type trustMeType; 165 public final Type lambdaMetafactory; 166 public final Type repeatableType; 167 public final Type documentedType; 168 public final Type elementTypeType; 169 public final Type functionalInterfaceType; 170 171 /** The symbol representing the length field of an array. 172 */ 173 public final VarSymbol lengthVar; 174 175 /** The null check operator. */ 176 public final OperatorSymbol nullcheck; 177 178 /** The symbol representing the final finalize method on enums */ 179 public final MethodSymbol enumFinalFinalize; 180 181 /** The symbol representing the close method on TWR AutoCloseable type */ 182 public final MethodSymbol autoCloseableClose; 183 184 /** The predefined type that belongs to a tag. 185 */ 186 public final Type[] typeOfTag = new Type[TypeTag.getTypeTagCount()]; 187 188 /** The name of the class that belongs to a basix type tag. 189 */ 190 public final Name[] boxedName = new Name[TypeTag.getTypeTagCount()]; 191 192 /** A set containing all operator names. 193 */ 194 public final Set<Name> operatorNames = new HashSet<Name>(); 195 196 /** A hashtable containing the encountered top-level and member classes, 197 * indexed by flat names. The table does not contain local classes. 198 * It should be updated from the outside to reflect classes defined 199 * by compiled source files. 200 */ 201 public final Map<Name, ClassSymbol> classes = new HashMap<Name, ClassSymbol>(); 202 203 /** A hashtable containing the encountered packages. 204 * the table should be updated from outside to reflect packages defined 205 * by compiled source files. 206 */ 207 public final Map<Name, PackageSymbol> packages = new HashMap<Name, PackageSymbol>(); 208 209 public void initType(Type type, ClassSymbol c) { 210 type.tsym = c; 211 typeOfTag[type.tag.ordinal()] = type; 212 } 213 214 public void initType(Type type, String name) { 215 initType( 216 type, 217 new ClassSymbol( 218 PUBLIC, names.fromString(name), type, rootPackage)); 219 } 220 221 public void initType(Type type, String name, String bname) { 222 initType(type, name); 223 boxedName[type.tag.ordinal()] = names.fromString("java.lang." + bname); 224 } 225 226 /** The class symbol that owns all predefined symbols. 227 */ 228 public final ClassSymbol predefClass; 229 230 /** Enter a constant into symbol table. 231 * @param name The constant's name. 232 * @param type The constant's type. 233 */ 234 private VarSymbol enterConstant(String name, Type type) { 235 VarSymbol c = new VarSymbol( 236 PUBLIC | STATIC | FINAL, 237 names.fromString(name), 238 type, 239 predefClass); 240 c.setData(type.constValue()); 241 predefClass.members().enter(c); 242 return c; 243 } 244 245 /** Enter a binary operation into symbol table. 246 * @param name The name of the operator. 247 * @param left The type of the left operand. 248 * @param right The type of the left operand. 249 * @param res The operation's result type. 250 * @param opcode The operation's bytecode instruction. 251 */ 252 private void enterBinop(String name, 253 Type left, Type right, Type res, 254 int opcode) { 255 predefClass.members().enter( 256 new OperatorSymbol( 257 makeOperatorName(name), 258 new MethodType(List.of(left, right), res, 259 List.<Type>nil(), methodClass), 260 opcode, 261 predefClass)); 262 } 263 264 /** Enter a binary operation, as above but with two opcodes, 265 * which get encoded as 266 * {@code (opcode1 << ByteCodeTags.preShift) + opcode2 }. 267 * @param opcode1 First opcode. 268 * @param opcode2 Second opcode. 269 */ 270 private void enterBinop(String name, 271 Type left, Type right, Type res, 272 int opcode1, int opcode2) { 273 enterBinop( 274 name, left, right, res, (opcode1 << ByteCodes.preShift) | opcode2); 275 } 276 277 /** Enter a unary operation into symbol table. 278 * @param name The name of the operator. 279 * @param arg The type of the operand. 280 * @param res The operation's result type. 281 * @param opcode The operation's bytecode instruction. 282 */ 283 private OperatorSymbol enterUnop(String name, 284 Type arg, 285 Type res, 286 int opcode) { 287 OperatorSymbol sym = 288 new OperatorSymbol(makeOperatorName(name), 289 new MethodType(List.of(arg), 290 res, 291 List.<Type>nil(), 292 methodClass), 293 opcode, 294 predefClass); 295 predefClass.members().enter(sym); 296 return sym; 297 } 298 299 /** 300 * Create a new operator name from corresponding String representation 301 * and add the name to the set of known operator names. 302 */ 303 private Name makeOperatorName(String name) { 304 Name opName = names.fromString(name); 305 operatorNames.add(opName); 306 return opName; 307 } 308 309 /** Enter a class into symbol table. 310 * @param s The name of the class. 311 */ 312 private Type enterClass(String s) { 313 return reader.enterClass(names.fromString(s)).type; 314 } 315 316 public void synthesizeEmptyInterfaceIfMissing(final Type type) { 317 final Completer completer = type.tsym.completer; 318 if (completer != null) { 319 type.tsym.completer = new Completer() { 320 public void complete(Symbol sym) throws CompletionFailure { 321 try { 322 completer.complete(sym); 323 } catch (CompletionFailure e) { 324 sym.flags_field |= (PUBLIC | INTERFACE); 325 ((ClassType) sym.type).supertype_field = objectType; 326 } 327 } 328 }; 329 } 330 } 331 332 public void synthesizeBoxTypeIfMissing(final Type type) { 333 ClassSymbol sym = reader.enterClass(boxedName[type.tag.ordinal()]); 334 final Completer completer = sym.completer; 335 if (completer != null) { 336 sym.completer = new Completer() { 337 public void complete(Symbol sym) throws CompletionFailure { 338 try { 339 completer.complete(sym); 340 } catch (CompletionFailure e) { 341 sym.flags_field |= PUBLIC; 342 ((ClassType) sym.type).supertype_field = objectType; 343 Name n = target.boxWithConstructors() ? names.init : names.valueOf; 344 MethodSymbol boxMethod = 345 new MethodSymbol(PUBLIC | STATIC, 346 n, 347 new MethodType(List.of(type), sym.type, 348 List.<Type>nil(), methodClass), 349 sym); 350 sym.members().enter(boxMethod); 351 MethodSymbol unboxMethod = 352 new MethodSymbol(PUBLIC, 353 type.tsym.name.append(names.Value), // x.intValue() 354 new MethodType(List.<Type>nil(), type, 355 List.<Type>nil(), methodClass), 356 sym); 357 sym.members().enter(unboxMethod); 358 } 359 } 360 }; 361 } 362 363 } 364 365 // Enter a synthetic class that is used to mark classes in ct.sym. 366 // This class does not have a class file. 367 private Type enterSyntheticAnnotation(String name) { 368 ClassType type = (ClassType)enterClass(name); 369 ClassSymbol sym = (ClassSymbol)type.tsym; 370 sym.completer = null; 371 sym.flags_field = PUBLIC|ACYCLIC|ANNOTATION|INTERFACE; 372 sym.erasure_field = type; 373 sym.members_field = new Scope(sym); 374 type.typarams_field = List.nil(); 375 type.allparams_field = List.nil(); 376 type.supertype_field = annotationType; 377 type.interfaces_field = List.nil(); 378 return type; 379 } 380 381 /** Constructor; enters all predefined identifiers and operators 382 * into symbol table. 383 */ 384 protected Symtab(Context context) throws CompletionFailure { 385 context.put(symtabKey, this); 386 387 names = Names.instance(context); 388 target = Target.instance(context); 389 390 // Create the unknown type 391 unknownType = new Type(UNKNOWN, null) { 392 @Override 393 public <R, P> R accept(TypeVisitor<R, P> v, P p) { 394 return v.visitUnknown(this, p); 395 } 396 }; 397 398 // create the basic builtin symbols 399 rootPackage = new PackageSymbol(names.empty, null); 400 final JavacMessages messages = JavacMessages.instance(context); 401 unnamedPackage = new PackageSymbol(names.empty, rootPackage) { 402 public String toString() { 403 return messages.getLocalizedString("compiler.misc.unnamed.package"); 404 } 405 }; 406 noSymbol = new TypeSymbol(Kinds.NIL, 0, names.empty, Type.noType, rootPackage) { 407 public <R, P> R accept(ElementVisitor<R, P> v, P p) { 408 return v.visitUnknown(this, p); 409 } 410 }; 411 412 // create the error symbols 413 errSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.any, null, rootPackage); 414 errType = new ErrorType(errSymbol, Type.noType); 415 416 unknownSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.fromString("<any?>"), null, rootPackage); 417 unknownSymbol.members_field = new Scope.ErrorScope(unknownSymbol); 418 unknownSymbol.type = unknownType; 419 420 // initialize builtin types 421 initType(byteType, "byte", "Byte"); 422 initType(shortType, "short", "Short"); 423 initType(charType, "char", "Character"); 424 initType(intType, "int", "Integer"); 425 initType(longType, "long", "Long"); 426 initType(floatType, "float", "Float"); 427 initType(doubleType, "double", "Double"); 428 initType(booleanType, "boolean", "Boolean"); 429 initType(voidType, "void", "Void"); 430 initType(botType, "<nulltype>"); 431 initType(errType, errSymbol); 432 initType(unknownType, unknownSymbol); 433 434 // the builtin class of all arrays 435 arrayClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Array, noSymbol); 436 437 // VGJ 438 boundClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Bound, noSymbol); 439 boundClass.members_field = new Scope.ErrorScope(boundClass); 440 441 // the builtin class of all methods 442 methodClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Method, noSymbol); 443 methodClass.members_field = new Scope.ErrorScope(boundClass); 444 445 // Create class to hold all predefined constants and operations. 446 predefClass = new ClassSymbol(PUBLIC|ACYCLIC, names.empty, rootPackage); 447 Scope scope = new Scope(predefClass); 448 predefClass.members_field = scope; 449 450 // Enter symbols for basic types. 451 scope.enter(byteType.tsym); 452 scope.enter(shortType.tsym); 453 scope.enter(charType.tsym); 454 scope.enter(intType.tsym); 455 scope.enter(longType.tsym); 456 scope.enter(floatType.tsym); 457 scope.enter(doubleType.tsym); 458 scope.enter(booleanType.tsym); 459 scope.enter(errType.tsym); 460 461 // Enter symbol for the errSymbol 462 scope.enter(errSymbol); 463 464 classes.put(predefClass.fullname, predefClass); 465 466 reader = ClassReader.instance(context); 467 reader.init(this); 468 469 // Enter predefined classes. 470 objectType = enterClass("java.lang.Object"); 471 classType = enterClass("java.lang.Class"); 472 stringType = enterClass("java.lang.String"); 473 stringBufferType = enterClass("java.lang.StringBuffer"); 474 stringBuilderType = enterClass("java.lang.StringBuilder"); 475 cloneableType = enterClass("java.lang.Cloneable"); 476 throwableType = enterClass("java.lang.Throwable"); 477 serializableType = enterClass("java.io.Serializable"); 478 serializedLambdaType = enterClass("java.lang.invoke.SerializedLambda"); 479 methodHandleType = enterClass("java.lang.invoke.MethodHandle"); 480 methodHandleLookupType = enterClass("java.lang.invoke.MethodHandles$Lookup"); 481 methodTypeType = enterClass("java.lang.invoke.MethodType"); 482 errorType = enterClass("java.lang.Error"); 483 illegalArgumentExceptionType = enterClass("java.lang.IllegalArgumentException"); 484 interruptedExceptionType = enterClass("java.lang.InterruptedException"); 485 exceptionType = enterClass("java.lang.Exception"); 486 runtimeExceptionType = enterClass("java.lang.RuntimeException"); 487 classNotFoundExceptionType = enterClass("java.lang.ClassNotFoundException"); 488 noClassDefFoundErrorType = enterClass("java.lang.NoClassDefFoundError"); 489 noSuchFieldErrorType = enterClass("java.lang.NoSuchFieldError"); 490 assertionErrorType = enterClass("java.lang.AssertionError"); 491 cloneNotSupportedExceptionType = enterClass("java.lang.CloneNotSupportedException"); 492 annotationType = enterClass("java.lang.annotation.Annotation"); 493 classLoaderType = enterClass("java.lang.ClassLoader"); 494 enumSym = reader.enterClass(names.java_lang_Enum); 495 enumFinalFinalize = 496 new MethodSymbol(PROTECTED|FINAL|HYPOTHETICAL, 497 names.finalize, 498 new MethodType(List.<Type>nil(), voidType, 499 List.<Type>nil(), methodClass), 500 enumSym); 501 listType = enterClass("java.util.List"); 502 collectionsType = enterClass("java.util.Collections"); 503 comparableType = enterClass("java.lang.Comparable"); 504 comparatorType = enterClass("java.util.Comparator"); 505 arraysType = enterClass("java.util.Arrays"); 506 iterableType = target.hasIterable() 507 ? enterClass("java.lang.Iterable") 508 : enterClass("java.util.Collection"); 509 iteratorType = enterClass("java.util.Iterator"); 510 annotationTargetType = enterClass("java.lang.annotation.Target"); 511 overrideType = enterClass("java.lang.Override"); 512 retentionType = enterClass("java.lang.annotation.Retention"); 513 deprecatedType = enterClass("java.lang.Deprecated"); 514 suppressWarningsType = enterClass("java.lang.SuppressWarnings"); 515 inheritedType = enterClass("java.lang.annotation.Inherited"); 516 repeatableType = enterClass("java.lang.annotation.Repeatable"); 517 documentedType = enterClass("java.lang.annotation.Documented"); 518 elementTypeType = enterClass("java.lang.annotation.ElementType"); 519 systemType = enterClass("java.lang.System"); 520 autoCloseableType = enterClass("java.lang.AutoCloseable"); 521 autoCloseableClose = new MethodSymbol(PUBLIC, 522 names.close, 523 new MethodType(List.<Type>nil(), voidType, 524 List.of(exceptionType), methodClass), 525 autoCloseableType.tsym); 526 trustMeType = enterClass("java.lang.SafeVarargs"); 527 nativeHeaderType = enterClass("java.lang.annotation.Native"); 528 lambdaMetafactory = enterClass("java.lang.invoke.LambdaMetafactory"); 529 functionalInterfaceType = enterClass("java.lang.FunctionalInterface"); 530 531 synthesizeEmptyInterfaceIfMissing(autoCloseableType); 532 synthesizeEmptyInterfaceIfMissing(cloneableType); 533 synthesizeEmptyInterfaceIfMissing(serializableType); 534 synthesizeEmptyInterfaceIfMissing(lambdaMetafactory); 535 synthesizeEmptyInterfaceIfMissing(serializedLambdaType); 536 synthesizeBoxTypeIfMissing(doubleType); 537 synthesizeBoxTypeIfMissing(floatType); 538 synthesizeBoxTypeIfMissing(voidType); 539 540 // Enter a synthetic class that is used to mark internal 541 // proprietary classes in ct.sym. This class does not have a 542 // class file. 543 proprietaryType = enterSyntheticAnnotation("sun.Proprietary+Annotation"); 544 545 // Enter a synthetic class that is used to provide profile info for 546 // classes in ct.sym. This class does not have a class file. 547 profileType = enterSyntheticAnnotation("jdk.Profile+Annotation"); 548 MethodSymbol m = new MethodSymbol(PUBLIC | ABSTRACT, names.value, intType, profileType.tsym); 549 profileType.tsym.members().enter(m); 550 551 // Enter a class for arrays. 552 // The class implements java.lang.Cloneable and java.io.Serializable. 553 // It has a final length field and a clone method. 554 ClassType arrayClassType = (ClassType)arrayClass.type; 555 arrayClassType.supertype_field = objectType; 556 arrayClassType.interfaces_field = List.of(cloneableType, serializableType); 557 arrayClass.members_field = new Scope(arrayClass); 558 lengthVar = new VarSymbol( 559 PUBLIC | FINAL, 560 names.length, 561 intType, 562 arrayClass); 563 arrayClass.members().enter(lengthVar); 564 arrayCloneMethod = new MethodSymbol( 565 PUBLIC, 566 names.clone, 567 new MethodType(List.<Type>nil(), objectType, 568 List.<Type>nil(), methodClass), 569 arrayClass); 570 arrayClass.members().enter(arrayCloneMethod); 571 572 // Enter operators. 573 enterUnop("+", doubleType, doubleType, nop); 574 enterUnop("+", floatType, floatType, nop); 575 enterUnop("+", longType, longType, nop); 576 enterUnop("+", intType, intType, nop); 577 578 enterUnop("-", doubleType, doubleType, dneg); 579 enterUnop("-", floatType, floatType, fneg); 580 enterUnop("-", longType, longType, lneg); 581 enterUnop("-", intType, intType, ineg); 582 583 enterUnop("~", longType, longType, lxor); 584 enterUnop("~", intType, intType, ixor); 585 586 enterUnop("++", doubleType, doubleType, dadd); 587 enterUnop("++", floatType, floatType, fadd); 588 enterUnop("++", longType, longType, ladd); 589 enterUnop("++", intType, intType, iadd); 590 enterUnop("++", charType, charType, iadd); 591 enterUnop("++", shortType, shortType, iadd); 592 enterUnop("++", byteType, byteType, iadd); 593 594 enterUnop("--", doubleType, doubleType, dsub); 595 enterUnop("--", floatType, floatType, fsub); 596 enterUnop("--", longType, longType, lsub); 597 enterUnop("--", intType, intType, isub); 598 enterUnop("--", charType, charType, isub); 599 enterUnop("--", shortType, shortType, isub); 600 enterUnop("--", byteType, byteType, isub); 601 602 enterUnop("!", booleanType, booleanType, bool_not); 603 nullcheck = enterUnop("<*nullchk*>", objectType, objectType, nullchk); 604 605 // string concatenation 606 enterBinop("+", stringType, objectType, stringType, string_add); 607 enterBinop("+", objectType, stringType, stringType, string_add); 608 enterBinop("+", stringType, stringType, stringType, string_add); 609 enterBinop("+", stringType, intType, stringType, string_add); 610 enterBinop("+", stringType, longType, stringType, string_add); 611 enterBinop("+", stringType, floatType, stringType, string_add); 612 enterBinop("+", stringType, doubleType, stringType, string_add); 613 enterBinop("+", stringType, booleanType, stringType, string_add); 614 enterBinop("+", stringType, botType, stringType, string_add); 615 enterBinop("+", intType, stringType, stringType, string_add); 616 enterBinop("+", longType, stringType, stringType, string_add); 617 enterBinop("+", floatType, stringType, stringType, string_add); 618 enterBinop("+", doubleType, stringType, stringType, string_add); 619 enterBinop("+", booleanType, stringType, stringType, string_add); 620 enterBinop("+", botType, stringType, stringType, string_add); 621 622 // these errors would otherwise be matched as string concatenation 623 enterBinop("+", botType, botType, botType, error); 624 enterBinop("+", botType, intType, botType, error); 625 enterBinop("+", botType, longType, botType, error); 626 enterBinop("+", botType, floatType, botType, error); 627 enterBinop("+", botType, doubleType, botType, error); 628 enterBinop("+", botType, booleanType, botType, error); 629 enterBinop("+", botType, objectType, botType, error); 630 enterBinop("+", intType, botType, botType, error); 631 enterBinop("+", longType, botType, botType, error); 632 enterBinop("+", floatType, botType, botType, error); 633 enterBinop("+", doubleType, botType, botType, error); 634 enterBinop("+", booleanType, botType, botType, error); 635 enterBinop("+", objectType, botType, botType, error); 636 637 enterBinop("+", doubleType, doubleType, doubleType, dadd); 638 enterBinop("+", floatType, floatType, floatType, fadd); 639 enterBinop("+", longType, longType, longType, ladd); 640 enterBinop("+", intType, intType, intType, iadd); 641 642 enterBinop("-", doubleType, doubleType, doubleType, dsub); 643 enterBinop("-", floatType, floatType, floatType, fsub); 644 enterBinop("-", longType, longType, longType, lsub); 645 enterBinop("-", intType, intType, intType, isub); 646 647 enterBinop("*", doubleType, doubleType, doubleType, dmul); 648 enterBinop("*", floatType, floatType, floatType, fmul); 649 enterBinop("*", longType, longType, longType, lmul); 650 enterBinop("*", intType, intType, intType, imul); 651 652 enterBinop("/", doubleType, doubleType, doubleType, ddiv); 653 enterBinop("/", floatType, floatType, floatType, fdiv); 654 enterBinop("/", longType, longType, longType, ldiv); 655 enterBinop("/", intType, intType, intType, idiv); 656 657 enterBinop("%", doubleType, doubleType, doubleType, dmod); 658 enterBinop("%", floatType, floatType, floatType, fmod); 659 enterBinop("%", longType, longType, longType, lmod); 660 enterBinop("%", intType, intType, intType, imod); 661 662 enterBinop("&", booleanType, booleanType, booleanType, iand); 663 enterBinop("&", longType, longType, longType, land); 664 enterBinop("&", intType, intType, intType, iand); 665 666 enterBinop("|", booleanType, booleanType, booleanType, ior); 667 enterBinop("|", longType, longType, longType, lor); 668 enterBinop("|", intType, intType, intType, ior); 669 670 enterBinop("^", booleanType, booleanType, booleanType, ixor); 671 enterBinop("^", longType, longType, longType, lxor); 672 enterBinop("^", intType, intType, intType, ixor); 673 674 enterBinop("<<", longType, longType, longType, lshll); 675 enterBinop("<<", intType, longType, intType, ishll); 676 enterBinop("<<", longType, intType, longType, lshl); 677 enterBinop("<<", intType, intType, intType, ishl); 678 679 enterBinop(">>", longType, longType, longType, lshrl); 680 enterBinop(">>", intType, longType, intType, ishrl); 681 enterBinop(">>", longType, intType, longType, lshr); 682 enterBinop(">>", intType, intType, intType, ishr); 683 684 enterBinop(">>>", longType, longType, longType, lushrl); 685 enterBinop(">>>", intType, longType, intType, iushrl); 686 enterBinop(">>>", longType, intType, longType, lushr); 687 enterBinop(">>>", intType, intType, intType, iushr); 688 689 enterBinop("<", doubleType, doubleType, booleanType, dcmpg, iflt); 690 enterBinop("<", floatType, floatType, booleanType, fcmpg, iflt); 691 enterBinop("<", longType, longType, booleanType, lcmp, iflt); 692 enterBinop("<", intType, intType, booleanType, if_icmplt); 693 694 enterBinop(">", doubleType, doubleType, booleanType, dcmpl, ifgt); 695 enterBinop(">", floatType, floatType, booleanType, fcmpl, ifgt); 696 enterBinop(">", longType, longType, booleanType, lcmp, ifgt); 697 enterBinop(">", intType, intType, booleanType, if_icmpgt); 698 699 enterBinop("<=", doubleType, doubleType, booleanType, dcmpg, ifle); 700 enterBinop("<=", floatType, floatType, booleanType, fcmpg, ifle); 701 enterBinop("<=", longType, longType, booleanType, lcmp, ifle); 702 enterBinop("<=", intType, intType, booleanType, if_icmple); 703 704 enterBinop(">=", doubleType, doubleType, booleanType, dcmpl, ifge); 705 enterBinop(">=", floatType, floatType, booleanType, fcmpl, ifge); 706 enterBinop(">=", longType, longType, booleanType, lcmp, ifge); 707 enterBinop(">=", intType, intType, booleanType, if_icmpge); 708 709 enterBinop("==", objectType, objectType, booleanType, if_acmpeq); 710 enterBinop("==", booleanType, booleanType, booleanType, if_icmpeq); 711 enterBinop("==", doubleType, doubleType, booleanType, dcmpl, ifeq); 712 enterBinop("==", floatType, floatType, booleanType, fcmpl, ifeq); 713 enterBinop("==", longType, longType, booleanType, lcmp, ifeq); 714 enterBinop("==", intType, intType, booleanType, if_icmpeq); 715 716 enterBinop("!=", objectType, objectType, booleanType, if_acmpne); 717 enterBinop("!=", booleanType, booleanType, booleanType, if_icmpne); 718 enterBinop("!=", doubleType, doubleType, booleanType, dcmpl, ifne); 719 enterBinop("!=", floatType, floatType, booleanType, fcmpl, ifne); 720 enterBinop("!=", longType, longType, booleanType, lcmp, ifne); 721 enterBinop("!=", intType, intType, booleanType, if_icmpne); 722 723 enterBinop("&&", booleanType, booleanType, booleanType, bool_and); 724 enterBinop("||", booleanType, booleanType, booleanType, bool_or); 725 } 726 }