Thu, 09 Oct 2008 16:21:04 +0100
6586091: javac crashes with StackOverflowError
Summary: Types.adapt should avoid infinite loops by exploiting a local cache
Reviewed-by: jjg
1 /*
2 * Copyright 1999-2008 Sun Microsystems, Inc. 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. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
26 package com.sun.tools.javac.code;
28 import java.util.*;
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.*;
36 import static com.sun.tools.javac.jvm.ByteCodes.*;
37 import static com.sun.tools.javac.code.Flags.*;
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 API supported by Sun Microsystems. If
46 * 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>();
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 }
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);
76 private final Names names;
77 private final ClassReader reader;
78 private final Target target;
80 /** A symbol for the root package.
81 */
82 public final PackageSymbol rootPackage;
84 /** A symbol for the unnamed package.
85 */
86 public final PackageSymbol unnamedPackage;
88 /** A symbol that stands for a missing symbol.
89 */
90 public final TypeSymbol noSymbol;
92 /** The error symbol.
93 */
94 public final ClassSymbol errSymbol;
96 /** A value for the errType, with a originalType of noType */
97 public final Type errType;
99 /** A value for the unknown type. */
100 public final Type unknownType;
102 /** The builtin type of all arrays. */
103 public final ClassSymbol arrayClass;
104 public final MethodSymbol arrayCloneMethod;
106 /** VGJ: The (singleton) type of all bound types. */
107 public final ClassSymbol boundClass;
109 /** The builtin type of all methods. */
110 public final ClassSymbol methodClass;
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 throwableType;
123 public final Type errorType;
124 public final Type illegalArgumentExceptionType;
125 public final Type exceptionType;
126 public final Type runtimeExceptionType;
127 public final Type classNotFoundExceptionType;
128 public final Type noClassDefFoundErrorType;
129 public final Type noSuchFieldErrorType;
130 public final Type assertionErrorType;
131 public final Type cloneNotSupportedExceptionType;
132 public final Type annotationType;
133 public final TypeSymbol enumSym;
134 public final Type listType;
135 public final Type collectionsType;
136 public final Type comparableType;
137 public final Type arraysType;
138 public final Type iterableType;
139 public final Type iteratorType;
140 public final Type annotationTargetType;
141 public final Type overrideType;
142 public final Type retentionType;
143 public final Type deprecatedType;
144 public final Type suppressWarningsType;
145 public final Type inheritedType;
146 public final Type proprietaryType;
147 public final Type systemType;
149 /** The symbol representing the length field of an array.
150 */
151 public final VarSymbol lengthVar;
153 /** The null check operator. */
154 public final OperatorSymbol nullcheck;
156 /** The symbol representing the final finalize method on enums */
157 public final MethodSymbol enumFinalFinalize;
159 /** The predefined type that belongs to a tag.
160 */
161 public final Type[] typeOfTag = new Type[TypeTags.TypeTagCount];
163 /** The name of the class that belongs to a basix type tag.
164 */
165 public final Name[] boxedName = new Name[TypeTags.TypeTagCount];
167 /** A hashtable containing the encountered top-level and member classes,
168 * indexed by flat names. The table does not contain local classes.
169 * It should be updated from the outside to reflect classes defined
170 * by compiled source files.
171 */
172 public final Map<Name, ClassSymbol> classes = new HashMap<Name, ClassSymbol>();
174 /** A hashtable containing the encountered packages.
175 * the table should be updated from outside to reflect packages defined
176 * by compiled source files.
177 */
178 public final Map<Name, PackageSymbol> packages = new HashMap<Name, PackageSymbol>();
180 public void initType(Type type, ClassSymbol c) {
181 type.tsym = c;
182 typeOfTag[type.tag] = type;
183 }
185 public void initType(Type type, String name) {
186 initType(
187 type,
188 new ClassSymbol(
189 PUBLIC, names.fromString(name), type, rootPackage));
190 }
192 public void initType(Type type, String name, String bname) {
193 initType(type, name);
194 boxedName[type.tag] = names.fromString("java.lang." + bname);
195 }
197 /** The class symbol that owns all predefined symbols.
198 */
199 public final ClassSymbol predefClass;
201 /** Enter a constant into symbol table.
202 * @param name The constant's name.
203 * @param type The constant's type.
204 */
205 private VarSymbol enterConstant(String name, Type type) {
206 VarSymbol c = new VarSymbol(
207 PUBLIC | STATIC | FINAL,
208 names.fromString(name),
209 type,
210 predefClass);
211 c.setData(type.constValue());
212 predefClass.members().enter(c);
213 return c;
214 }
216 /** Enter a binary operation into symbol table.
217 * @param name The name of the operator.
218 * @param left The type of the left operand.
219 * @param right The type of the left operand.
220 * @param res The operation's result type.
221 * @param opcode The operation's bytecode instruction.
222 */
223 private void enterBinop(String name,
224 Type left, Type right, Type res,
225 int opcode) {
226 predefClass.members().enter(
227 new OperatorSymbol(
228 names.fromString(name),
229 new MethodType(List.of(left, right), res,
230 List.<Type>nil(), methodClass),
231 opcode,
232 predefClass));
233 }
235 /** Enter a binary operation, as above but with two opcodes,
236 * which get encoded as (opcode1 << ByteCodeTags.preShift) + opcode2.
237 * @param opcode1 First opcode.
238 * @param opcode2 Second opcode.
239 */
240 private void enterBinop(String name,
241 Type left, Type right, Type res,
242 int opcode1, int opcode2) {
243 enterBinop(
244 name, left, right, res, (opcode1 << ByteCodes.preShift) | opcode2);
245 }
247 /** Enter a unary operation into symbol table.
248 * @param name The name of the operator.
249 * @param arg The type of the operand.
250 * @param res The operation's result type.
251 * @param opcode The operation's bytecode instruction.
252 */
253 private OperatorSymbol enterUnop(String name,
254 Type arg,
255 Type res,
256 int opcode) {
257 OperatorSymbol sym =
258 new OperatorSymbol(names.fromString(name),
259 new MethodType(List.of(arg),
260 res,
261 List.<Type>nil(),
262 methodClass),
263 opcode,
264 predefClass);
265 predefClass.members().enter(sym);
266 return sym;
267 }
269 /** Enter a class into symbol table.
270 * @param The name of the class.
271 */
272 private Type enterClass(String s) {
273 return reader.enterClass(names.fromString(s)).type;
274 }
276 public void synthesizeEmptyInterfaceIfMissing(final Type type) {
277 final Completer completer = type.tsym.completer;
278 if (completer != null) {
279 type.tsym.completer = new Completer() {
280 public void complete(Symbol sym) throws CompletionFailure {
281 try {
282 completer.complete(sym);
283 } catch (CompletionFailure e) {
284 sym.flags_field |= (PUBLIC | INTERFACE);
285 ((ClassType) sym.type).supertype_field = objectType;
286 }
287 }
288 };
289 }
290 }
292 public void synthesizeBoxTypeIfMissing(final Type type) {
293 ClassSymbol sym = reader.enterClass(boxedName[type.tag]);
294 final Completer completer = sym.completer;
295 if (completer != null) {
296 sym.completer = new Completer() {
297 public void complete(Symbol sym) throws CompletionFailure {
298 try {
299 completer.complete(sym);
300 } catch (CompletionFailure e) {
301 sym.flags_field |= PUBLIC;
302 ((ClassType) sym.type).supertype_field = objectType;
303 Name n = target.boxWithConstructors() ? names.init : names.valueOf;
304 MethodSymbol boxMethod =
305 new MethodSymbol(PUBLIC | STATIC,
306 n,
307 new MethodType(List.of(type), sym.type,
308 List.<Type>nil(), methodClass),
309 sym);
310 sym.members().enter(boxMethod);
311 MethodSymbol unboxMethod =
312 new MethodSymbol(PUBLIC,
313 type.tsym.name.append(names.Value), // x.intValue()
314 new MethodType(List.<Type>nil(), type,
315 List.<Type>nil(), methodClass),
316 sym);
317 sym.members().enter(unboxMethod);
318 }
319 }
320 };
321 }
323 }
325 /** Constructor; enters all predefined identifiers and operators
326 * into symbol table.
327 */
328 protected Symtab(Context context) throws CompletionFailure {
329 context.put(symtabKey, this);
331 names = Names.instance(context);
332 target = Target.instance(context);
334 // Create the unknown type
335 unknownType = new Type(TypeTags.UNKNOWN, null);
337 // create the basic builtin symbols
338 rootPackage = new PackageSymbol(names.empty, null);
339 final JavacMessages messages = JavacMessages.instance(context);
340 unnamedPackage = new PackageSymbol(names.empty, rootPackage) {
341 public String toString() {
342 return messages.getLocalizedString("compiler.misc.unnamed.package");
343 }
344 };
345 noSymbol = new TypeSymbol(0, names.empty, Type.noType, rootPackage);
346 noSymbol.kind = Kinds.NIL;
348 // create the error symbols
349 errSymbol = new ClassSymbol(PUBLIC|STATIC|ACYCLIC, names.any, null, rootPackage);
350 errType = new ErrorType(errSymbol, Type.noType);
352 // initialize builtin types
353 initType(byteType, "byte", "Byte");
354 initType(shortType, "short", "Short");
355 initType(charType, "char", "Character");
356 initType(intType, "int", "Integer");
357 initType(longType, "long", "Long");
358 initType(floatType, "float", "Float");
359 initType(doubleType, "double", "Double");
360 initType(booleanType, "boolean", "Boolean");
361 initType(voidType, "void", "Void");
362 initType(botType, "<nulltype>");
363 initType(errType, errSymbol);
364 initType(unknownType, "<any?>");
366 // the builtin class of all arrays
367 arrayClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Array, noSymbol);
369 // VGJ
370 boundClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Bound, noSymbol);
372 // the builtin class of all methods
373 methodClass = new ClassSymbol(PUBLIC|ACYCLIC, names.Method, noSymbol);
375 // Create class to hold all predefined constants and operations.
376 predefClass = new ClassSymbol(PUBLIC|ACYCLIC, names.empty, rootPackage);
377 Scope scope = new Scope(predefClass);
378 predefClass.members_field = scope;
380 // Enter symbols for basic types.
381 scope.enter(byteType.tsym);
382 scope.enter(shortType.tsym);
383 scope.enter(charType.tsym);
384 scope.enter(intType.tsym);
385 scope.enter(longType.tsym);
386 scope.enter(floatType.tsym);
387 scope.enter(doubleType.tsym);
388 scope.enter(booleanType.tsym);
389 scope.enter(errType.tsym);
391 // Enter symbol for the errSymbol
392 scope.enter(errSymbol);
394 classes.put(predefClass.fullname, predefClass);
396 reader = ClassReader.instance(context);
397 reader.init(this);
399 // Enter predefined classes.
400 objectType = enterClass("java.lang.Object");
401 classType = enterClass("java.lang.Class");
402 stringType = enterClass("java.lang.String");
403 stringBufferType = enterClass("java.lang.StringBuffer");
404 stringBuilderType = enterClass("java.lang.StringBuilder");
405 cloneableType = enterClass("java.lang.Cloneable");
406 throwableType = enterClass("java.lang.Throwable");
407 serializableType = enterClass("java.io.Serializable");
408 errorType = enterClass("java.lang.Error");
409 illegalArgumentExceptionType = enterClass("java.lang.IllegalArgumentException");
410 exceptionType = enterClass("java.lang.Exception");
411 runtimeExceptionType = enterClass("java.lang.RuntimeException");
412 classNotFoundExceptionType = enterClass("java.lang.ClassNotFoundException");
413 noClassDefFoundErrorType = enterClass("java.lang.NoClassDefFoundError");
414 noSuchFieldErrorType = enterClass("java.lang.NoSuchFieldError");
415 assertionErrorType = enterClass("java.lang.AssertionError");
416 cloneNotSupportedExceptionType = enterClass("java.lang.CloneNotSupportedException");
417 annotationType = enterClass("java.lang.annotation.Annotation");
418 classLoaderType = enterClass("java.lang.ClassLoader");
419 enumSym = reader.enterClass(names.java_lang_Enum);
420 enumFinalFinalize =
421 new MethodSymbol(PROTECTED|FINAL|HYPOTHETICAL,
422 names.finalize,
423 new MethodType(List.<Type>nil(), voidType,
424 List.<Type>nil(), methodClass),
425 enumSym);
426 listType = enterClass("java.util.List");
427 collectionsType = enterClass("java.util.Collections");
428 comparableType = enterClass("java.lang.Comparable");
429 arraysType = enterClass("java.util.Arrays");
430 iterableType = target.hasIterable()
431 ? enterClass("java.lang.Iterable")
432 : enterClass("java.util.Collection");
433 iteratorType = enterClass("java.util.Iterator");
434 annotationTargetType = enterClass("java.lang.annotation.Target");
435 overrideType = enterClass("java.lang.Override");
436 retentionType = enterClass("java.lang.annotation.Retention");
437 deprecatedType = enterClass("java.lang.Deprecated");
438 suppressWarningsType = enterClass("java.lang.SuppressWarnings");
439 inheritedType = enterClass("java.lang.annotation.Inherited");
440 systemType = enterClass("java.lang.System");
442 synthesizeEmptyInterfaceIfMissing(cloneableType);
443 synthesizeEmptyInterfaceIfMissing(serializableType);
444 synthesizeBoxTypeIfMissing(doubleType);
445 synthesizeBoxTypeIfMissing(floatType);
447 // Enter a synthetic class that is used to mark Sun
448 // proprietary classes in ct.sym. This class does not have a
449 // class file.
450 ClassType proprietaryType = (ClassType)enterClass("sun.Proprietary+Annotation");
451 this.proprietaryType = proprietaryType;
452 ClassSymbol proprietarySymbol = (ClassSymbol)proprietaryType.tsym;
453 proprietarySymbol.completer = null;
454 proprietarySymbol.flags_field = PUBLIC|ACYCLIC|ANNOTATION|INTERFACE;
455 proprietarySymbol.erasure_field = proprietaryType;
456 proprietarySymbol.members_field = new Scope(proprietarySymbol);
457 proprietaryType.typarams_field = List.nil();
458 proprietaryType.allparams_field = List.nil();
459 proprietaryType.supertype_field = annotationType;
460 proprietaryType.interfaces_field = List.nil();
462 // Enter a class for arrays.
463 // The class implements java.lang.Cloneable and java.io.Serializable.
464 // It has a final length field and a clone method.
465 ClassType arrayClassType = (ClassType)arrayClass.type;
466 arrayClassType.supertype_field = objectType;
467 arrayClassType.interfaces_field = List.of(cloneableType, serializableType);
468 arrayClass.members_field = new Scope(arrayClass);
469 lengthVar = new VarSymbol(
470 PUBLIC | FINAL,
471 names.length,
472 intType,
473 arrayClass);
474 arrayClass.members().enter(lengthVar);
475 arrayCloneMethod = new MethodSymbol(
476 PUBLIC,
477 names.clone,
478 new MethodType(List.<Type>nil(), objectType,
479 List.<Type>nil(), methodClass),
480 arrayClass);
481 arrayClass.members().enter(arrayCloneMethod);
483 // Enter operators.
484 enterUnop("+", doubleType, doubleType, nop);
485 enterUnop("+", floatType, floatType, nop);
486 enterUnop("+", longType, longType, nop);
487 enterUnop("+", intType, intType, nop);
489 enterUnop("-", doubleType, doubleType, dneg);
490 enterUnop("-", floatType, floatType, fneg);
491 enterUnop("-", longType, longType, lneg);
492 enterUnop("-", intType, intType, ineg);
494 enterUnop("~", longType, longType, lxor);
495 enterUnop("~", intType, intType, ixor);
497 enterUnop("++", doubleType, doubleType, dadd);
498 enterUnop("++", floatType, floatType, fadd);
499 enterUnop("++", longType, longType, ladd);
500 enterUnop("++", intType, intType, iadd);
501 enterUnop("++", charType, charType, iadd);
502 enterUnop("++", shortType, shortType, iadd);
503 enterUnop("++", byteType, byteType, iadd);
505 enterUnop("--", doubleType, doubleType, dsub);
506 enterUnop("--", floatType, floatType, fsub);
507 enterUnop("--", longType, longType, lsub);
508 enterUnop("--", intType, intType, isub);
509 enterUnop("--", charType, charType, isub);
510 enterUnop("--", shortType, shortType, isub);
511 enterUnop("--", byteType, byteType, isub);
513 enterUnop("!", booleanType, booleanType, bool_not);
514 nullcheck = enterUnop("<*nullchk*>", objectType, objectType, nullchk);
516 // string concatenation
517 enterBinop("+", stringType, objectType, stringType, string_add);
518 enterBinop("+", objectType, stringType, stringType, string_add);
519 enterBinop("+", stringType, stringType, stringType, string_add);
520 enterBinop("+", stringType, intType, stringType, string_add);
521 enterBinop("+", stringType, longType, stringType, string_add);
522 enterBinop("+", stringType, floatType, stringType, string_add);
523 enterBinop("+", stringType, doubleType, stringType, string_add);
524 enterBinop("+", stringType, booleanType, stringType, string_add);
525 enterBinop("+", stringType, botType, stringType, string_add);
526 enterBinop("+", intType, stringType, stringType, string_add);
527 enterBinop("+", longType, stringType, stringType, string_add);
528 enterBinop("+", floatType, stringType, stringType, string_add);
529 enterBinop("+", doubleType, stringType, stringType, string_add);
530 enterBinop("+", booleanType, stringType, stringType, string_add);
531 enterBinop("+", botType, stringType, stringType, string_add);
533 // these errors would otherwise be matched as string concatenation
534 enterBinop("+", botType, botType, botType, error);
535 enterBinop("+", botType, intType, botType, error);
536 enterBinop("+", botType, longType, botType, error);
537 enterBinop("+", botType, floatType, botType, error);
538 enterBinop("+", botType, doubleType, botType, error);
539 enterBinop("+", botType, booleanType, botType, error);
540 enterBinop("+", botType, objectType, botType, error);
541 enterBinop("+", intType, botType, botType, error);
542 enterBinop("+", longType, botType, botType, error);
543 enterBinop("+", floatType, botType, botType, error);
544 enterBinop("+", doubleType, botType, botType, error);
545 enterBinop("+", booleanType, botType, botType, error);
546 enterBinop("+", objectType, botType, botType, error);
548 enterBinop("+", doubleType, doubleType, doubleType, dadd);
549 enterBinop("+", floatType, floatType, floatType, fadd);
550 enterBinop("+", longType, longType, longType, ladd);
551 enterBinop("+", intType, intType, intType, iadd);
553 enterBinop("-", doubleType, doubleType, doubleType, dsub);
554 enterBinop("-", floatType, floatType, floatType, fsub);
555 enterBinop("-", longType, longType, longType, lsub);
556 enterBinop("-", intType, intType, intType, isub);
558 enterBinop("*", doubleType, doubleType, doubleType, dmul);
559 enterBinop("*", floatType, floatType, floatType, fmul);
560 enterBinop("*", longType, longType, longType, lmul);
561 enterBinop("*", intType, intType, intType, imul);
563 enterBinop("/", doubleType, doubleType, doubleType, ddiv);
564 enterBinop("/", floatType, floatType, floatType, fdiv);
565 enterBinop("/", longType, longType, longType, ldiv);
566 enterBinop("/", intType, intType, intType, idiv);
568 enterBinop("%", doubleType, doubleType, doubleType, dmod);
569 enterBinop("%", floatType, floatType, floatType, fmod);
570 enterBinop("%", longType, longType, longType, lmod);
571 enterBinop("%", intType, intType, intType, imod);
573 enterBinop("&", booleanType, booleanType, booleanType, iand);
574 enterBinop("&", longType, longType, longType, land);
575 enterBinop("&", intType, intType, intType, iand);
577 enterBinop("|", booleanType, booleanType, booleanType, ior);
578 enterBinop("|", longType, longType, longType, lor);
579 enterBinop("|", intType, intType, intType, ior);
581 enterBinop("^", booleanType, booleanType, booleanType, ixor);
582 enterBinop("^", longType, longType, longType, lxor);
583 enterBinop("^", intType, intType, intType, ixor);
585 enterBinop("<<", longType, longType, longType, lshll);
586 enterBinop("<<", intType, longType, intType, ishll);
587 enterBinop("<<", longType, intType, longType, lshl);
588 enterBinop("<<", intType, intType, intType, ishl);
590 enterBinop(">>", longType, longType, longType, lshrl);
591 enterBinop(">>", intType, longType, intType, ishrl);
592 enterBinop(">>", longType, intType, longType, lshr);
593 enterBinop(">>", intType, intType, intType, ishr);
595 enterBinop(">>>", longType, longType, longType, lushrl);
596 enterBinop(">>>", intType, longType, intType, iushrl);
597 enterBinop(">>>", longType, intType, longType, lushr);
598 enterBinop(">>>", intType, intType, intType, iushr);
600 enterBinop("<", doubleType, doubleType, booleanType, dcmpg, iflt);
601 enterBinop("<", floatType, floatType, booleanType, fcmpg, iflt);
602 enterBinop("<", longType, longType, booleanType, lcmp, iflt);
603 enterBinop("<", intType, intType, booleanType, if_icmplt);
605 enterBinop(">", doubleType, doubleType, booleanType, dcmpl, ifgt);
606 enterBinop(">", floatType, floatType, booleanType, fcmpl, ifgt);
607 enterBinop(">", longType, longType, booleanType, lcmp, ifgt);
608 enterBinop(">", intType, intType, booleanType, if_icmpgt);
610 enterBinop("<=", doubleType, doubleType, booleanType, dcmpg, ifle);
611 enterBinop("<=", floatType, floatType, booleanType, fcmpg, ifle);
612 enterBinop("<=", longType, longType, booleanType, lcmp, ifle);
613 enterBinop("<=", intType, intType, booleanType, if_icmple);
615 enterBinop(">=", doubleType, doubleType, booleanType, dcmpl, ifge);
616 enterBinop(">=", floatType, floatType, booleanType, fcmpl, ifge);
617 enterBinop(">=", longType, longType, booleanType, lcmp, ifge);
618 enterBinop(">=", intType, intType, booleanType, if_icmpge);
620 enterBinop("==", objectType, objectType, booleanType, if_acmpeq);
621 enterBinop("==", booleanType, booleanType, booleanType, if_icmpeq);
622 enterBinop("==", doubleType, doubleType, booleanType, dcmpl, ifeq);
623 enterBinop("==", floatType, floatType, booleanType, fcmpl, ifeq);
624 enterBinop("==", longType, longType, booleanType, lcmp, ifeq);
625 enterBinop("==", intType, intType, booleanType, if_icmpeq);
627 enterBinop("!=", objectType, objectType, booleanType, if_acmpne);
628 enterBinop("!=", booleanType, booleanType, booleanType, if_icmpne);
629 enterBinop("!=", doubleType, doubleType, booleanType, dcmpl, ifne);
630 enterBinop("!=", floatType, floatType, booleanType, fcmpl, ifne);
631 enterBinop("!=", longType, longType, booleanType, lcmp, ifne);
632 enterBinop("!=", intType, intType, booleanType, if_icmpne);
634 enterBinop("&&", booleanType, booleanType, booleanType, bool_and);
635 enterBinop("||", booleanType, booleanType, booleanType, bool_or);
636 }
637 }