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