001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one or more
003 *  contributor license agreements.  See the NOTICE file distributed with
004 *  this work for additional information regarding copyright ownership.
005 *  The ASF licenses this file to You under the Apache License, Version 2.0
006 *  (the "License"); you may not use this file except in compliance with
007 *  the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 *  Unless required by applicable law or agreed to in writing, software
012 *  distributed under the License is distributed on an "AS IS" BASIS,
013 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 *  See the License for the specific language governing permissions and
015 *  limitations under the License.
016 */
017package org.apache.commons.compress.harmony.pack200;
018
019import java.io.IOException;
020import java.io.OutputStream;
021import java.util.ArrayList;
022import java.util.Arrays;
023import java.util.Comparator;
024import java.util.HashMap;
025import java.util.HashSet;
026import java.util.List;
027import java.util.Map;
028import java.util.Set;
029
030import org.apache.commons.compress.harmony.pack200.AttributeDefinitionBands.AttributeDefinition;
031import org.apache.commons.compress.harmony.pack200.IcBands.IcTuple;
032import org.objectweb.asm.Label;
033import org.objectweb.asm.Opcodes;
034
035/**
036 * Class bands (corresponds to the {@code class_bands} set of bands in the
037 * pack200 specification)
038 */
039public class ClassBands extends BandSet {
040
041        private static final class TempParamAnnotation {
042
043                int numParams;
044                int[] annoN;
045                IntList pairN = new IntList();
046                List<String> typeRS = new ArrayList<>();
047                List<String> nameRU = new ArrayList<>();
048                List<String> tags = new ArrayList<>();
049                List<Object> values = new ArrayList<>();
050                List<Integer> caseArrayN = new ArrayList<>();
051                List<String> nestTypeRS = new ArrayList<>();
052                List<String> nestNameRU = new ArrayList<>();
053                List<Integer> nestPairN = new ArrayList<>();
054
055                public TempParamAnnotation(final int numParams) {
056                        this.numParams = numParams;
057                        annoN = new int[numParams];
058                }
059
060                public void addParameterAnnotation(final int parameter, final String desc, final List<String> nameRU,
061                                final List<String> tags, final List<Object> values, final List<Integer> caseArrayN,
062                                final List<String> nestTypeRS, final List<String> nestNameRU, final List<Integer> nestPairN) {
063                        annoN[parameter]++;
064                        typeRS.add(desc);
065                        pairN.add(nameRU.size());
066                        this.nameRU.addAll(nameRU);
067                        this.tags.addAll(tags);
068                        this.values.addAll(values);
069                        this.caseArrayN.addAll(caseArrayN);
070                        this.nestTypeRS.addAll(nestTypeRS);
071                        this.nestNameRU.addAll(nestNameRU);
072                        this.nestPairN.addAll(nestPairN);
073                }
074        }
075        protected static int countArgs(final String descriptor) {
076                final int bra = descriptor.indexOf('(');
077                final int ket = descriptor.indexOf(')');
078                if (bra == -1 || ket == -1 || ket < bra) {
079                        throw new IllegalArgumentException("No arguments");
080                }
081
082                boolean inType = false;
083                boolean consumingNextType = false;
084                int count = 0;
085                for (int i = bra + 1; i < ket; i++) {
086                        final char charAt = descriptor.charAt(i);
087                        if (inType && charAt == ';') {
088                                inType = false;
089                                consumingNextType = false;
090                        } else if (!inType && charAt == 'L') {
091                                inType = true;
092                                count++;
093                        } else if (charAt == '[') {
094                                consumingNextType = true;
095                        } else if (inType) {
096                                // NOP
097                        } else if (consumingNextType) {
098                                count++;
099                                consumingNextType = false;
100                        } else if (charAt == 'D' || charAt == 'J') {
101                                count += 2;
102                        } else {
103                                count++;
104                        }
105                }
106                return count;
107        }
108
109        private final CpBands cpBands;
110        private final AttributeDefinitionBands attrBands;
111        private final CPClass[] class_this;
112        private final CPClass[] class_super;
113
114        private final CPClass[][] class_interface;
115
116        private final int[] class_interface_count;
117        private final int[] major_versions;
118        private final long[] class_flags;
119        private int[] class_attr_calls;
120        private final List<CPUTF8> classSourceFile = new ArrayList<>();
121        private final List<ConstantPoolEntry> classEnclosingMethodClass = new ArrayList<>();
122
123        private final List<ConstantPoolEntry> classEnclosingMethodDesc = new ArrayList<>();
124        private final List<CPSignature> classSignature = new ArrayList<>();
125
126        private final IntList classFileVersionMinor = new IntList();
127        private final IntList classFileVersionMajor = new IntList();
128        private final int[] class_field_count;
129        private final CPNameAndType[][] field_descr;
130        private final long[][] field_flags;
131        private int[] field_attr_calls;
132
133        private final List<CPConstant<?>> fieldConstantValueKQ = new ArrayList<>();
134        private final List<CPSignature> fieldSignature = new ArrayList<>();
135        private final int[] class_method_count;
136        private final CPNameAndType[][] method_descr;
137        private final long[][] method_flags;
138        private int[] method_attr_calls;
139        private final List<CPSignature> methodSignature = new ArrayList<>();
140
141        private final IntList methodExceptionNumber = new IntList();
142        private final List<CPClass> methodExceptionClasses = new ArrayList<>();
143        private int[] codeHeaders;
144        private final IntList codeMaxStack = new IntList();
145        private final IntList codeMaxLocals = new IntList();
146        private final IntList codeHandlerCount = new IntList();
147        private final List codeHandlerStartP = new ArrayList();
148        private final List codeHandlerEndPO = new ArrayList();
149        private final List codeHandlerCatchPO = new ArrayList();
150        private final List<CPClass> codeHandlerClass = new ArrayList<>();
151        private final List<Long> codeFlags = new ArrayList<>();
152        private int[] code_attr_calls;
153        private final IntList codeLineNumberTableN = new IntList();
154        private final List codeLineNumberTableBciP = new ArrayList();
155        private final IntList codeLineNumberTableLine = new IntList();
156        private final IntList codeLocalVariableTableN = new IntList();
157        private final List codeLocalVariableTableBciP = new ArrayList();
158        private final List codeLocalVariableTableSpanO = new ArrayList();
159        private final List<ConstantPoolEntry> codeLocalVariableTableNameRU = new ArrayList<>();
160        private final List<ConstantPoolEntry> codeLocalVariableTableTypeRS = new ArrayList<>();
161        private final IntList codeLocalVariableTableSlot = new IntList();
162        private final IntList codeLocalVariableTypeTableN = new IntList();
163        private final List codeLocalVariableTypeTableBciP = new ArrayList();
164        private final List codeLocalVariableTypeTableSpanO = new ArrayList();
165        private final List<ConstantPoolEntry> codeLocalVariableTypeTableNameRU = new ArrayList<>();
166
167        private final List<ConstantPoolEntry> codeLocalVariableTypeTableTypeRS = new ArrayList<>();
168        private final IntList codeLocalVariableTypeTableSlot = new IntList();
169        private final MetadataBandGroup class_RVA_bands;
170        private final MetadataBandGroup class_RIA_bands;
171        private final MetadataBandGroup field_RVA_bands;
172        private final MetadataBandGroup field_RIA_bands;
173        private final MetadataBandGroup method_RVA_bands;
174        private final MetadataBandGroup method_RIA_bands;
175        private final MetadataBandGroup method_RVPA_bands;
176
177        private final MetadataBandGroup method_RIPA_bands;
178        private final MetadataBandGroup method_AD_bands;
179        private final List<NewAttributeBands> classAttributeBands = new ArrayList<>();
180        private final List<NewAttributeBands> methodAttributeBands = new ArrayList<>();
181
182        private final List<NewAttributeBands> fieldAttributeBands = new ArrayList<>();
183        private final List<NewAttributeBands> codeAttributeBands = new ArrayList<>();
184        private final List<Long> tempFieldFlags = new ArrayList<>();
185        private final List<CPNameAndType> tempFieldDesc = new ArrayList<>();
186        private final List<Long> tempMethodFlags = new ArrayList<>();
187        private final List<CPNameAndType> tempMethodDesc = new ArrayList<>();
188
189        private TempParamAnnotation tempMethodRVPA;
190        private TempParamAnnotation tempMethodRIPA;
191        private boolean anySyntheticClasses;
192        private boolean anySyntheticFields;
193
194        private boolean anySyntheticMethods;
195        private final Segment segment;
196
197        private final Map<CPClass, Set<CPClass>> classReferencesInnerClass = new HashMap<>();
198
199        private final boolean stripDebug;
200        private int index;
201        private int numMethodArgs;
202        private int[] class_InnerClasses_N;
203        private CPClass[] class_InnerClasses_RC;
204        private int[] class_InnerClasses_F;
205
206        private List<CPClass> classInnerClassesOuterRCN;
207
208        private List<CPUTF8> classInnerClassesNameRUN;
209
210        public ClassBands(final Segment segment, final int numClasses, final int effort, final boolean stripDebug)
211                        throws IOException {
212                super(effort, segment.getSegmentHeader());
213                this.stripDebug = stripDebug;
214                this.segment = segment;
215                this.cpBands = segment.getCpBands();
216                this.attrBands = segment.getAttrBands();
217                class_this = new CPClass[numClasses];
218                class_super = new CPClass[numClasses];
219                class_interface_count = new int[numClasses];
220                class_interface = new CPClass[numClasses][];
221                class_field_count = new int[numClasses];
222                class_method_count = new int[numClasses];
223                field_descr = new CPNameAndType[numClasses][];
224                field_flags = new long[numClasses][];
225                method_descr = new CPNameAndType[numClasses][];
226                method_flags = new long[numClasses][];
227                for (int i = 0; i < numClasses; i++) {
228                        field_flags[i] = new long[0];
229                        method_flags[i] = new long[0];
230                }
231                // minor_versions = new int[numClasses];
232                major_versions = new int[numClasses];
233                class_flags = new long[numClasses];
234
235                class_RVA_bands = new MetadataBandGroup("RVA", MetadataBandGroup.CONTEXT_CLASS, cpBands, segmentHeader, effort);
236                class_RIA_bands = new MetadataBandGroup("RIA", MetadataBandGroup.CONTEXT_CLASS, cpBands, segmentHeader, effort);
237                field_RVA_bands = new MetadataBandGroup("RVA", MetadataBandGroup.CONTEXT_FIELD, cpBands, segmentHeader, effort);
238                field_RIA_bands = new MetadataBandGroup("RIA", MetadataBandGroup.CONTEXT_FIELD, cpBands, segmentHeader, effort);
239                method_RVA_bands = new MetadataBandGroup("RVA", MetadataBandGroup.CONTEXT_METHOD, cpBands, segmentHeader,
240                                effort);
241                method_RIA_bands = new MetadataBandGroup("RIA", MetadataBandGroup.CONTEXT_METHOD, cpBands, segmentHeader,
242                                effort);
243                method_RVPA_bands = new MetadataBandGroup("RVPA", MetadataBandGroup.CONTEXT_METHOD, cpBands, segmentHeader,
244                                effort);
245                method_RIPA_bands = new MetadataBandGroup("RIPA", MetadataBandGroup.CONTEXT_METHOD, cpBands, segmentHeader,
246                                effort);
247                method_AD_bands = new MetadataBandGroup("AD", MetadataBandGroup.CONTEXT_METHOD, cpBands, segmentHeader, effort);
248
249                createNewAttributeBands();
250        }
251
252        public void addAnnotation(final int context, final String desc, final boolean visible, final List<String> nameRU,
253                        final List<String> tags, final List<Object> values, final List<Integer> caseArrayN, final List<String> nestTypeRS,
254                        final List<String> nestNameRU, final List<Integer> nestPairN) {
255                switch (context) {
256                case MetadataBandGroup.CONTEXT_CLASS:
257                        if (visible) {
258                                class_RVA_bands.addAnnotation(desc, nameRU, tags, values, caseArrayN, nestTypeRS, nestNameRU,
259                                                nestPairN);
260                                if ((class_flags[index] & 1 << 21) != 0) {
261                                        class_RVA_bands.incrementAnnoN();
262                                } else {
263                                        class_RVA_bands.newEntryInAnnoN();
264                                        class_flags[index] = class_flags[index] | 1 << 21;
265                                }
266                        } else {
267                                class_RIA_bands.addAnnotation(desc, nameRU, tags, values, caseArrayN, nestTypeRS, nestNameRU,
268                                                nestPairN);
269                                if ((class_flags[index] & 1 << 22) != 0) {
270                                        class_RIA_bands.incrementAnnoN();
271                                } else {
272                                        class_RIA_bands.newEntryInAnnoN();
273                                        class_flags[index] = class_flags[index] | 1 << 22;
274                                }
275                        }
276                        break;
277                case MetadataBandGroup.CONTEXT_FIELD:
278                        if (visible) {
279                                field_RVA_bands.addAnnotation(desc, nameRU, tags, values, caseArrayN, nestTypeRS, nestNameRU,
280                                                nestPairN);
281                                final Long flag = tempFieldFlags.remove(tempFieldFlags.size() - 1);
282                                if ((flag.intValue() & 1 << 21) != 0) {
283                                        field_RVA_bands.incrementAnnoN();
284                                } else {
285                                        field_RVA_bands.newEntryInAnnoN();
286                                }
287                                tempFieldFlags.add(Long.valueOf(flag.intValue() | 1 << 21));
288                        } else {
289                                field_RIA_bands.addAnnotation(desc, nameRU, tags, values, caseArrayN, nestTypeRS, nestNameRU,
290                                                nestPairN);
291                                final Long flag = tempFieldFlags.remove(tempFieldFlags.size() - 1);
292                                if ((flag.intValue() & 1 << 22) != 0) {
293                                        field_RIA_bands.incrementAnnoN();
294                                } else {
295                                        field_RIA_bands.newEntryInAnnoN();
296                                }
297                                tempFieldFlags.add(Long.valueOf(flag.intValue() | 1 << 22));
298                        }
299                        break;
300                case MetadataBandGroup.CONTEXT_METHOD:
301                        if (visible) {
302                                method_RVA_bands.addAnnotation(desc, nameRU, tags, values, caseArrayN, nestTypeRS, nestNameRU,
303                                                nestPairN);
304                                final Long flag = tempMethodFlags.remove(tempMethodFlags.size() - 1);
305                                if ((flag.intValue() & 1 << 21) != 0) {
306                                        method_RVA_bands.incrementAnnoN();
307                                } else {
308                                        method_RVA_bands.newEntryInAnnoN();
309                                }
310                                tempMethodFlags.add(Long.valueOf(flag.intValue() | 1 << 21));
311                        } else {
312                                method_RIA_bands.addAnnotation(desc, nameRU, tags, values, caseArrayN, nestTypeRS, nestNameRU,
313                                                nestPairN);
314                                final Long flag = tempMethodFlags.remove(tempMethodFlags.size() - 1);
315                                if ((flag.intValue() & 1 << 22) != 0) {
316                                        method_RIA_bands.incrementAnnoN();
317                                } else {
318                                        method_RIA_bands.newEntryInAnnoN();
319                                }
320                                tempMethodFlags.add(Long.valueOf(flag.intValue() | 1 << 22));
321                        }
322                        break;
323                }
324        }
325
326        public void addAnnotationDefault(final List<String> nameRU, final List<String> tags, final List<Object> values,
327                        final List<Integer> caseArrayN, final List<String> nestTypeRS, final List<String> nestNameRU,
328                        final List<Integer> nestPairN) {
329                method_AD_bands.addAnnotation(null, nameRU, tags, values, caseArrayN, nestTypeRS, nestNameRU, nestPairN);
330                final Long flag = tempMethodFlags.remove(tempMethodFlags.size() - 1);
331                tempMethodFlags.add(Long.valueOf(flag.longValue() | 1 << 25));
332        }
333
334        public void addClass(final int major, final int flags, final String className, final String signature,
335                        final String superName, final String[] interfaces) {
336                class_this[index] = cpBands.getCPClass(className);
337                class_super[index] = cpBands.getCPClass(superName);
338                class_interface_count[index] = interfaces.length;
339                class_interface[index] = new CPClass[interfaces.length];
340        Arrays.setAll(class_interface[index], i -> cpBands.getCPClass(interfaces[i]));
341                major_versions[index] = major;
342                class_flags[index] = flags;
343                if (!anySyntheticClasses && (flags & 1 << 12) != 0
344                                && segment.getCurrentClassReader().hasSyntheticAttributes()) {
345                        cpBands.addCPUtf8("Synthetic");
346                        anySyntheticClasses = true;
347                }
348//              if ((flags & Opcodes.ACC_DEPRECATED) != 0) { // ASM uses (1<<17) flag for deprecated
349//                      flags = flags & ~Opcodes.ACC_DEPRECATED;
350//                      flags = flags | (1 << 20);
351//              }
352                if (signature != null) {
353                        class_flags[index] |= 1 << 19;
354                        classSignature.add(cpBands.getCPSignature(signature));
355                }
356        }
357
358        public void addClassAttribute(final NewAttribute attribute) {
359                // TODO: backwards calls
360                final String attributeName = attribute.type;
361                for (final NewAttributeBands bands : classAttributeBands) {
362                        if (bands.getAttributeName().equals(attributeName)) {
363                                bands.addAttribute(attribute);
364                                final int flagIndex = bands.getFlagIndex();
365                                class_flags[index] |= 1 << flagIndex;
366                                return;
367                        }
368                }
369                throw new IllegalArgumentException("No suitable definition for " + attributeName);
370        }
371
372        public void addCode() {
373                codeHandlerCount.add(0);
374                if (!stripDebug) {
375                        codeFlags.add(Long.valueOf(1 << 2));
376                        codeLocalVariableTableN.add(0);
377                }
378        }
379
380        public void addCodeAttribute(final NewAttribute attribute) {
381                final String attributeName = attribute.type;
382                for (final NewAttributeBands bands : codeAttributeBands) {
383                        if (bands.getAttributeName().equals(attributeName)) {
384                                bands.addAttribute(attribute);
385                                final int flagIndex = bands.getFlagIndex();
386                                final Long flags = codeFlags.remove(codeFlags.size() - 1);
387                                codeFlags.add(Long.valueOf(flags.longValue() | 1 << flagIndex));
388                                return;
389                        }
390                }
391                throw new IllegalArgumentException("No suitable definition for " + attributeName);
392        }
393
394        public void addEnclosingMethod(final String owner, final String name, final String desc) {
395                class_flags[index] |= 1 << 18;
396                classEnclosingMethodClass.add(cpBands.getCPClass(owner));
397                classEnclosingMethodDesc.add(name == null ? null : cpBands.getCPNameAndType(name, desc));
398        }
399
400        public void addField(int flags, final String name, final String desc, final String signature, final Object value) {
401                flags = flags & 0xFFFF;
402                tempFieldDesc.add(cpBands.getCPNameAndType(name, desc));
403                if (signature != null) {
404                        fieldSignature.add(cpBands.getCPSignature(signature));
405                        flags |= 1 << 19;
406                }
407                if ((flags & Opcodes.ACC_DEPRECATED) != 0) { // ASM uses (1<<17) flag for deprecated
408                        flags = flags & ~Opcodes.ACC_DEPRECATED;
409                        flags = flags | 1 << 20;
410                }
411                if (value != null) {
412                        fieldConstantValueKQ.add(cpBands.getConstant(value));
413                        flags |= 1 << 17;
414                }
415                if (!anySyntheticFields && (flags & 1 << 12) != 0
416                                && segment.getCurrentClassReader().hasSyntheticAttributes()) {
417                        cpBands.addCPUtf8("Synthetic");
418                        anySyntheticFields = true;
419                }
420                tempFieldFlags.add(Long.valueOf(flags));
421        }
422
423        public void addFieldAttribute(final NewAttribute attribute) {
424                final String attributeName = attribute.type;
425                for (final NewAttributeBands bands : fieldAttributeBands) {
426                        if (bands.getAttributeName().equals(attributeName)) {
427                                bands.addAttribute(attribute);
428                                final int flagIndex = bands.getFlagIndex();
429                                final Long flags = tempFieldFlags.remove(tempFieldFlags.size() - 1);
430                                tempFieldFlags.add(Long.valueOf(flags.longValue() | 1 << flagIndex));
431                                return;
432                        }
433                }
434                throw new IllegalArgumentException("No suitable definition for " + attributeName);
435        }
436
437        public void addHandler(final Label start, final Label end, final Label handler, final String type) {
438                final int handlers = codeHandlerCount.remove(codeHandlerCount.size() - 1);
439                codeHandlerCount.add(handlers + 1);
440                codeHandlerStartP.add(start);
441                codeHandlerEndPO.add(end);
442                codeHandlerCatchPO.add(handler);
443                codeHandlerClass.add(type == null ? null : cpBands.getCPClass(type));
444        }
445
446        public void addLineNumber(final int line, final Label start) {
447                final Long latestCodeFlag = codeFlags.get(codeFlags.size() - 1);
448                if ((latestCodeFlag.intValue() & 1 << 1) == 0) {
449                        codeFlags.remove(codeFlags.size() - 1);
450                        codeFlags.add(Long.valueOf(latestCodeFlag.intValue() | 1 << 1));
451                        codeLineNumberTableN.add(1);
452                } else {
453                        codeLineNumberTableN.increment(codeLineNumberTableN.size() - 1);
454                }
455                codeLineNumberTableLine.add(line);
456                codeLineNumberTableBciP.add(start);
457        }
458
459        public void addLocalVariable(final String name, final String desc, final String signature, final Label start,
460                        final Label end, final int indx) {
461                if (signature != null) { // LocalVariableTypeTable attribute
462                        final Long latestCodeFlag = codeFlags.get(codeFlags.size() - 1);
463                        if ((latestCodeFlag.intValue() & 1 << 3) == 0) {
464                                codeFlags.remove(codeFlags.size() - 1);
465                                codeFlags.add(Long.valueOf(latestCodeFlag.intValue() | 1 << 3));
466                                codeLocalVariableTypeTableN.add(1);
467                        } else {
468                                codeLocalVariableTypeTableN.increment(codeLocalVariableTypeTableN.size() - 1);
469                        }
470                        codeLocalVariableTypeTableBciP.add(start);
471                        codeLocalVariableTypeTableSpanO.add(end);
472                        codeLocalVariableTypeTableNameRU.add(cpBands.getCPUtf8(name));
473                        codeLocalVariableTypeTableTypeRS.add(cpBands.getCPSignature(signature));
474                        codeLocalVariableTypeTableSlot.add(indx);
475                }
476                // LocalVariableTable attribute
477                codeLocalVariableTableN.increment(codeLocalVariableTableN.size() - 1);
478                codeLocalVariableTableBciP.add(start);
479                codeLocalVariableTableSpanO.add(end);
480                codeLocalVariableTableNameRU.add(cpBands.getCPUtf8(name));
481                codeLocalVariableTableTypeRS.add(cpBands.getCPSignature(desc));
482                codeLocalVariableTableSlot.add(indx);
483        }
484
485        public void addMaxStack(final int maxStack, int maxLocals) {
486                final Long latestFlag = tempMethodFlags.remove(tempMethodFlags.size() - 1);
487                final Long newFlag = Long.valueOf(latestFlag.intValue() | 1 << 17);
488                tempMethodFlags.add(newFlag);
489                codeMaxStack.add(maxStack);
490                if ((newFlag.longValue() & 1 << 3) == 0) { // not static
491                        maxLocals--; // minus 'this' local
492                }
493                maxLocals -= numMethodArgs;
494                codeMaxLocals.add(maxLocals);
495        }
496
497        public void addMethod(int flags, final String name, final String desc, final String signature,
498                        final String[] exceptions) {
499                final CPNameAndType nt = cpBands.getCPNameAndType(name, desc);
500                tempMethodDesc.add(nt);
501                if (signature != null) {
502                        methodSignature.add(cpBands.getCPSignature(signature));
503                        flags |= 1 << 19;
504                }
505                if (exceptions != null) {
506                        methodExceptionNumber.add(exceptions.length);
507                        for (final String exception : exceptions) {
508                                methodExceptionClasses.add(cpBands.getCPClass(exception));
509                        }
510                        flags |= 1 << 18;
511                }
512                if ((flags & Opcodes.ACC_DEPRECATED) != 0) { // ASM uses (1<<17) flag for deprecated
513                        flags = flags & ~Opcodes.ACC_DEPRECATED;
514                        flags = flags | 1 << 20;
515                }
516                tempMethodFlags.add(Long.valueOf(flags));
517                numMethodArgs = countArgs(desc);
518                if (!anySyntheticMethods && (flags & 1 << 12) != 0
519                                && segment.getCurrentClassReader().hasSyntheticAttributes()) {
520                        cpBands.addCPUtf8("Synthetic");
521                        anySyntheticMethods = true;
522                }
523        }
524
525        public void addMethodAttribute(final NewAttribute attribute) {
526                final String attributeName = attribute.type;
527                for (final NewAttributeBands bands : methodAttributeBands) {
528                        if (bands.getAttributeName().equals(attributeName)) {
529                                bands.addAttribute(attribute);
530                                final int flagIndex = bands.getFlagIndex();
531                                final Long flags = tempMethodFlags.remove(tempMethodFlags.size() - 1);
532                                tempMethodFlags.add(Long.valueOf(flags.longValue() | 1 << flagIndex));
533                                return;
534                        }
535                }
536                throw new IllegalArgumentException("No suitable definition for " + attributeName);
537        }
538
539        public void addParameterAnnotation(final int parameter, final String desc, final boolean visible,
540                        final List<String> nameRU, final List<String> tags, final List<Object> values,
541                        final List<Integer> caseArrayN, final List<String> nestTypeRS, final List<String> nestNameRU,
542                        final List<Integer> nestPairN) {
543                if (visible) {
544                        if (tempMethodRVPA == null) {
545                                tempMethodRVPA = new TempParamAnnotation(numMethodArgs);
546                                tempMethodRVPA.addParameterAnnotation(parameter, desc, nameRU, tags, values, caseArrayN, nestTypeRS,
547                                                nestNameRU, nestPairN);
548                        }
549                        final Long flag = tempMethodFlags.remove(tempMethodFlags.size() - 1);
550                        tempMethodFlags.add(Long.valueOf(flag.longValue() | 1 << 23));
551                } else {
552                        if (tempMethodRIPA == null) {
553                                tempMethodRIPA = new TempParamAnnotation(numMethodArgs);
554                                tempMethodRIPA.addParameterAnnotation(parameter, desc, nameRU, tags, values, caseArrayN, nestTypeRS,
555                                                nestNameRU, nestPairN);
556                        }
557                        final Long flag = tempMethodFlags.remove(tempMethodFlags.size() - 1);
558                        tempMethodFlags.add(Long.valueOf(flag.longValue() | 1 << 24));
559                }
560        }
561
562        public void addSourceFile(final String source) {
563                String implicitSourceFileName = class_this[index].toString();
564                if (implicitSourceFileName.indexOf('$') != -1) {
565                        implicitSourceFileName = implicitSourceFileName.substring(0, implicitSourceFileName.indexOf('$'));
566                }
567                implicitSourceFileName = implicitSourceFileName.substring(implicitSourceFileName.lastIndexOf('/') + 1)
568                                + ".java";
569                if (source.equals(implicitSourceFileName)) {
570                        classSourceFile.add(null);
571                } else {
572                        classSourceFile.add(cpBands.getCPUtf8(source));
573                }
574                class_flags[index] |= 1 << 17;
575        }
576
577        private void createNewAttributeBands() throws IOException {
578                for (final AttributeDefinition def : attrBands.getClassAttributeLayouts()) {
579                        classAttributeBands.add(new NewAttributeBands(effort, cpBands, segment.getSegmentHeader(), def));
580                }
581                for (final AttributeDefinition def : attrBands.getMethodAttributeLayouts()) {
582                        methodAttributeBands.add(new NewAttributeBands(effort, cpBands, segment.getSegmentHeader(), def));
583                }
584                for (final AttributeDefinition def : attrBands.getFieldAttributeLayouts()) {
585                        fieldAttributeBands.add(new NewAttributeBands(effort, cpBands, segment.getSegmentHeader(), def));
586                }
587                for (final AttributeDefinition def : attrBands.getCodeAttributeLayouts()) {
588                        codeAttributeBands.add(new NewAttributeBands(effort, cpBands, segment.getSegmentHeader(), def));
589                }
590        }
591
592    public void currentClassReferencesInnerClass(final CPClass inner) {
593        if (!(index >= class_this.length)) {
594            final CPClass currentClass = class_this[index];
595            if (currentClass != null && !currentClass.equals(inner) && !isInnerClassOf(currentClass.toString(), inner)) {
596                classReferencesInnerClass.computeIfAbsent(currentClass, c -> new HashSet<>()).add(inner);
597            }
598        }
599    }
600
601        public void doBciRenumbering(final IntList bciRenumbering, final Map<Label, Integer> labelsToOffsets) {
602                renumberBci(codeLineNumberTableBciP, bciRenumbering, labelsToOffsets);
603                renumberBci(codeLocalVariableTableBciP, bciRenumbering, labelsToOffsets);
604                renumberOffsetBci(codeLocalVariableTableBciP, codeLocalVariableTableSpanO, bciRenumbering, labelsToOffsets);
605                renumberBci(codeLocalVariableTypeTableBciP, bciRenumbering, labelsToOffsets);
606                renumberOffsetBci(codeLocalVariableTypeTableBciP, codeLocalVariableTypeTableSpanO, bciRenumbering,
607                                labelsToOffsets);
608                renumberBci(codeHandlerStartP, bciRenumbering, labelsToOffsets);
609                renumberOffsetBci(codeHandlerStartP, codeHandlerEndPO, bciRenumbering, labelsToOffsets);
610                renumberDoubleOffsetBci(codeHandlerStartP, codeHandlerEndPO, codeHandlerCatchPO, bciRenumbering,
611                                labelsToOffsets);
612
613                for (final NewAttributeBands newAttributeBandSet : classAttributeBands) {
614                        newAttributeBandSet.renumberBci(bciRenumbering, labelsToOffsets);
615                }
616                for (final NewAttributeBands newAttributeBandSet : methodAttributeBands) {
617                        newAttributeBandSet.renumberBci(bciRenumbering, labelsToOffsets);
618                }
619                for (final NewAttributeBands newAttributeBandSet : fieldAttributeBands) {
620                        newAttributeBandSet.renumberBci(bciRenumbering, labelsToOffsets);
621                }
622                for (final NewAttributeBands newAttributeBandSet : codeAttributeBands) {
623                        newAttributeBandSet.renumberBci(bciRenumbering, labelsToOffsets);
624                }
625        }
626
627        public void endOfClass() { // All the data for the current class has been
628                                                                // read
629                final int numFields = tempFieldDesc.size();
630                class_field_count[index] = numFields;
631                field_descr[index] = new CPNameAndType[numFields];
632                field_flags[index] = new long[numFields];
633                for (int i = 0; i < numFields; i++) {
634                        field_descr[index][i] = tempFieldDesc.get(i);
635                        field_flags[index][i] = tempFieldFlags.get(i).longValue();
636                }
637                final int numMethods = tempMethodDesc.size();
638                class_method_count[index] = numMethods;
639                method_descr[index] = new CPNameAndType[numMethods];
640                method_flags[index] = new long[numMethods];
641                for (int i = 0; i < numMethods; i++) {
642                        method_descr[index][i] = tempMethodDesc.get(i);
643                        method_flags[index][i] = tempMethodFlags.get(i).longValue();
644                }
645                tempFieldDesc.clear();
646                tempFieldFlags.clear();
647                tempMethodDesc.clear();
648                tempMethodFlags.clear();
649                index++;
650        }
651
652        public void endOfMethod() {
653                if (tempMethodRVPA != null) {
654                        method_RVPA_bands.addParameterAnnotation(tempMethodRVPA.numParams, tempMethodRVPA.annoN,
655                                        tempMethodRVPA.pairN, tempMethodRVPA.typeRS, tempMethodRVPA.nameRU, tempMethodRVPA.tags,
656                                        tempMethodRVPA.values, tempMethodRVPA.caseArrayN, tempMethodRVPA.nestTypeRS,
657                                        tempMethodRVPA.nestNameRU, tempMethodRVPA.nestPairN);
658                        tempMethodRVPA = null;
659                }
660                if (tempMethodRIPA != null) {
661                        method_RIPA_bands.addParameterAnnotation(tempMethodRIPA.numParams, tempMethodRIPA.annoN,
662                                        tempMethodRIPA.pairN, tempMethodRIPA.typeRS, tempMethodRIPA.nameRU, tempMethodRIPA.tags,
663                                        tempMethodRIPA.values, tempMethodRIPA.caseArrayN, tempMethodRIPA.nestTypeRS,
664                                        tempMethodRIPA.nestNameRU, tempMethodRIPA.nestPairN);
665                        tempMethodRIPA = null;
666                }
667                if (codeFlags.size() > 0) {
668                        final long latestCodeFlag = codeFlags.get(codeFlags.size() - 1).longValue();
669                        final int latestLocalVariableTableN = codeLocalVariableTableN.get(codeLocalVariableTableN.size() - 1);
670                        if (latestCodeFlag == 1 << 2 && latestLocalVariableTableN == 0) {
671                                codeLocalVariableTableN.remove(codeLocalVariableTableN.size() - 1);
672                                codeFlags.remove(codeFlags.size() - 1);
673                                codeFlags.add(Long.valueOf(0));
674                        }
675                }
676        }
677
678        /**
679         * All input classes for the segment have now been read in, so this method is
680         * called so that this class can calculate/complete anything it could not do
681         * while classes were being read.
682         */
683        public void finaliseBands() {
684                final int defaultMajorVersion = segmentHeader.getDefaultMajorVersion();
685                for (int i = 0; i < class_flags.length; i++) {
686                        final int major = major_versions[i];
687                        if (major != defaultMajorVersion) {
688                                class_flags[i] |= 1 << 24;
689                                classFileVersionMajor.add(major);
690                                classFileVersionMinor.add(0);
691                        }
692                }
693                // Calculate code headers
694                codeHeaders = new int[codeHandlerCount.size()];
695                int removed = 0;
696                for (int i = 0; i < codeHeaders.length; i++) {
697                        final int numHandlers = codeHandlerCount.get(i - removed);
698                        final int maxLocals = codeMaxLocals.get(i - removed);
699                        final int maxStack = codeMaxStack.get(i - removed);
700                        switch (numHandlers) {
701            case 0: {
702                final int header = maxLocals * 12 + maxStack + 1;
703                if (header < 145 && maxStack < 12) {
704                                        codeHeaders[i] = header;
705                                }
706                break;
707            }
708            case 1: {
709                final int header = maxLocals * 8 + maxStack + 145;
710                if (header < 209 && maxStack < 8) {
711                                        codeHeaders[i] = header;
712                                }
713                break;
714            }
715            case 2: {
716                final int header = maxLocals * 7 + maxStack + 209;
717                if (header < 256 && maxStack < 7) {
718                                        codeHeaders[i] = header;
719                                }
720                break;
721            }
722            default:
723                break;
724            }
725                        if (codeHeaders[i] != 0) { // Remove the redundant values from
726                                                                                // codeHandlerCount, codeMaxLocals and
727                                                                                // codeMaxStack
728                                codeHandlerCount.remove(i - removed);
729                                codeMaxLocals.remove(i - removed);
730                                codeMaxStack.remove(i - removed);
731                                removed++;
732                        } else if (!segment.getSegmentHeader().have_all_code_flags()) {
733                                codeFlags.add(Long.valueOf(0));
734                        }
735                }
736
737                // Compute any required IcLocals
738                final IntList innerClassesN = new IntList();
739                final List<IcTuple> icLocal = new ArrayList<>();
740                for (int i = 0; i < class_this.length; i++) {
741                        final CPClass cpClass = class_this[i];
742                        final Set<CPClass> referencedInnerClasses = classReferencesInnerClass.get(cpClass);
743                        if (referencedInnerClasses != null) {
744                                int innerN = 0;
745                                final List<IcTuple> innerClasses = segment.getIcBands().getInnerClassesForOuter(cpClass.toString());
746                                if (innerClasses != null) {
747                                        for (final IcTuple element : innerClasses) {
748                                                referencedInnerClasses.remove(element.C);
749                                        }
750                                }
751                                for (final CPClass inner : referencedInnerClasses) {
752                                        final IcTuple icTuple = segment.getIcBands().getIcTuple(inner);
753                                        if (icTuple != null && !icTuple.isAnonymous()) {
754                                                // should transmit an icLocal entry
755                                                icLocal.add(icTuple);
756                                                innerN++;
757                                        }
758                                }
759                                if (innerN != 0) {
760                                        innerClassesN.add(innerN);
761                                        class_flags[i] |= 1 << 23;
762                                }
763                        }
764                }
765                class_InnerClasses_N = innerClassesN.toArray();
766                class_InnerClasses_RC = new CPClass[icLocal.size()];
767                class_InnerClasses_F = new int[icLocal.size()];
768                classInnerClassesOuterRCN = new ArrayList<>();
769                classInnerClassesNameRUN = new ArrayList<>();
770                for (int i = 0; i < class_InnerClasses_RC.length; i++) {
771                        final IcTuple icTuple = icLocal.get(i);
772                        class_InnerClasses_RC[i] = icTuple.C;
773                        if (icTuple.C2 == null && icTuple.N == null) {
774                                class_InnerClasses_F[i] = 0;
775                        } else {
776                                if (icTuple.F == 0) {
777                                        class_InnerClasses_F[i] = 0x00010000;
778                                } else {
779                                        class_InnerClasses_F[i] = icTuple.F;
780                                }
781                                classInnerClassesOuterRCN.add(icTuple.C2);
782                                classInnerClassesNameRUN.add(icTuple.N);
783                        }
784                }
785                // Calculate any backwards calls from metadata bands
786                final IntList classAttrCalls = new IntList();
787                final IntList fieldAttrCalls = new IntList();
788                final IntList methodAttrCalls = new IntList();
789                final IntList codeAttrCalls = new IntList();
790
791                if (class_RVA_bands.hasContent()) {
792                        classAttrCalls.add(class_RVA_bands.numBackwardsCalls());
793                }
794                if (class_RIA_bands.hasContent()) {
795                        classAttrCalls.add(class_RIA_bands.numBackwardsCalls());
796                }
797                if (field_RVA_bands.hasContent()) {
798                        fieldAttrCalls.add(field_RVA_bands.numBackwardsCalls());
799                }
800                if (field_RIA_bands.hasContent()) {
801                        fieldAttrCalls.add(field_RIA_bands.numBackwardsCalls());
802                }
803                if (method_RVA_bands.hasContent()) {
804                        methodAttrCalls.add(method_RVA_bands.numBackwardsCalls());
805                }
806                if (method_RIA_bands.hasContent()) {
807                        methodAttrCalls.add(method_RIA_bands.numBackwardsCalls());
808                }
809                if (method_RVPA_bands.hasContent()) {
810                        methodAttrCalls.add(method_RVPA_bands.numBackwardsCalls());
811                }
812                if (method_RIPA_bands.hasContent()) {
813                        methodAttrCalls.add(method_RIPA_bands.numBackwardsCalls());
814                }
815                if (method_AD_bands.hasContent()) {
816                        methodAttrCalls.add(method_AD_bands.numBackwardsCalls());
817                }
818
819                // Sort non-predefined attribute bands
820                final Comparator<NewAttributeBands> comparator = (arg0, arg1) -> arg0.getFlagIndex() - arg1.getFlagIndex();
821                classAttributeBands.sort(comparator);
822                methodAttributeBands.sort(comparator);
823                fieldAttributeBands.sort(comparator);
824                codeAttributeBands.sort(comparator);
825
826                for (final NewAttributeBands bands : classAttributeBands) {
827                        if (bands.isUsedAtLeastOnce()) {
828                                for (final int backwardsCallCount : bands.numBackwardsCalls()) {
829                                        classAttrCalls.add(backwardsCallCount);
830                                }
831                        }
832                }
833                for (final NewAttributeBands bands : methodAttributeBands) {
834                        if (bands.isUsedAtLeastOnce()) {
835                                for (final int backwardsCallCount : bands.numBackwardsCalls()) {
836                                        methodAttrCalls.add(backwardsCallCount);
837                                }
838                        }
839                }
840                for (final NewAttributeBands bands : fieldAttributeBands) {
841                        if (bands.isUsedAtLeastOnce()) {
842                                for (final int backwardsCallCount : bands.numBackwardsCalls()) {
843                                        fieldAttrCalls.add(backwardsCallCount);
844                                }
845                        }
846                }
847                for (final NewAttributeBands bands : codeAttributeBands) {
848                        if (bands.isUsedAtLeastOnce()) {
849                                for (final int backwardsCallCount : bands.numBackwardsCalls()) {
850                                        codeAttrCalls.add(backwardsCallCount);
851                                }
852                        }
853                }
854
855                class_attr_calls = classAttrCalls.toArray();
856                field_attr_calls = fieldAttrCalls.toArray();
857                method_attr_calls = methodAttrCalls.toArray();
858                code_attr_calls = codeAttrCalls.toArray();
859        }
860
861        private int[] getInts(final CPClass[] cpClasses) {
862                final int[] ints = new int[cpClasses.length];
863                for (int i = 0; i < ints.length; i++) {
864                        if (cpClasses[i] != null) {
865                                ints[i] = cpClasses[i].getIndex();
866                        }
867                }
868                return ints;
869        }
870
871        public boolean isAnySyntheticClasses() {
872                return anySyntheticClasses;
873        }
874
875        public boolean isAnySyntheticFields() {
876                return anySyntheticFields;
877        }
878
879        public boolean isAnySyntheticMethods() {
880                return anySyntheticMethods;
881        }
882
883        private boolean isInnerClass(final String possibleInner) {
884                return possibleInner.indexOf('$') != -1;
885        }
886
887        private boolean isInnerClassOf(final String possibleInner, final CPClass possibleOuter) {
888                if (isInnerClass(possibleInner)) {
889                        final String superClassName = possibleInner.substring(0, possibleInner.lastIndexOf('$'));
890                        if (superClassName.equals(possibleOuter.toString())) {
891                                return true;
892                        }
893                        return isInnerClassOf(superClassName, possibleOuter);
894                }
895                return false;
896        }
897
898        public int numClassesProcessed() {
899                return index;
900        }
901
902        @Override
903        public void pack(final OutputStream out) throws IOException, Pack200Exception {
904                PackingUtils.log("Writing class bands...");
905
906                byte[] encodedBand = encodeBandInt("class_this", getInts(class_this), Codec.DELTA5);
907                out.write(encodedBand);
908                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_this[" + class_this.length + "]");
909
910                encodedBand = encodeBandInt("class_super", getInts(class_super), Codec.DELTA5);
911                out.write(encodedBand);
912                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_super[" + class_super.length + "]");
913
914                encodedBand = encodeBandInt("class_interface_count", class_interface_count, Codec.DELTA5);
915                out.write(encodedBand);
916                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_interface_count["
917                                + class_interface_count.length + "]");
918
919                final int totalInterfaces = sum(class_interface_count);
920                final int[] classInterface = new int[totalInterfaces];
921                int k = 0;
922                for (final CPClass[] element : class_interface) {
923                        if (element != null) {
924                                for (final CPClass cpClass : element) {
925                                        classInterface[k] = cpClass.getIndex();
926                                        k++;
927                                }
928                        }
929                }
930
931                encodedBand = encodeBandInt("class_interface", classInterface, Codec.DELTA5);
932                out.write(encodedBand);
933                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_interface[" + classInterface.length + "]");
934
935                encodedBand = encodeBandInt("class_field_count", class_field_count, Codec.DELTA5);
936                out.write(encodedBand);
937                PackingUtils
938                                .log("Wrote " + encodedBand.length + " bytes from class_field_count[" + class_field_count.length + "]");
939
940                encodedBand = encodeBandInt("class_method_count", class_method_count, Codec.DELTA5);
941                out.write(encodedBand);
942                PackingUtils.log(
943                                "Wrote " + encodedBand.length + " bytes from class_method_count[" + class_method_count.length + "]");
944
945                final int totalFields = sum(class_field_count);
946                final int[] fieldDescr = new int[totalFields];
947                k = 0;
948                for (int i = 0; i < index; i++) {
949                        for (int j = 0; j < field_descr[i].length; j++) {
950                                final CPNameAndType descr = field_descr[i][j];
951                                fieldDescr[k] = descr.getIndex();
952                                k++;
953                        }
954                }
955
956                encodedBand = encodeBandInt("field_descr", fieldDescr, Codec.DELTA5);
957                out.write(encodedBand);
958                PackingUtils.log("Wrote " + encodedBand.length + " bytes from field_descr[" + fieldDescr.length + "]");
959
960                writeFieldAttributeBands(out);
961
962                final int totalMethods = sum(class_method_count);
963                final int[] methodDescr = new int[totalMethods];
964                k = 0;
965                for (int i = 0; i < index; i++) {
966                        for (int j = 0; j < method_descr[i].length; j++) {
967                                final CPNameAndType descr = method_descr[i][j];
968                                methodDescr[k] = descr.getIndex();
969                                k++;
970                        }
971                }
972
973                encodedBand = encodeBandInt("method_descr", methodDescr, Codec.MDELTA5);
974                out.write(encodedBand);
975                PackingUtils.log("Wrote " + encodedBand.length + " bytes from method_descr[" + methodDescr.length + "]");
976
977                writeMethodAttributeBands(out);
978                writeClassAttributeBands(out);
979                writeCodeBands(out);
980        }
981
982        /**
983         * Remove all entries for the current class
984         */
985        public void removeCurrentClass() {
986                // Note - this doesn't remove any entries added to the constant pool but
987                // that shouldn't be a problem
988                if ((class_flags[index] & 1 << 17) != 0) {
989                        classSourceFile.remove(classSourceFile.size() - 1);
990                }
991                if ((class_flags[index] & 1 << 18) != 0) {
992                        classEnclosingMethodClass.remove(classEnclosingMethodClass.size() - 1);
993                        classEnclosingMethodDesc.remove(classEnclosingMethodDesc.size() - 1);
994                }
995                if ((class_flags[index] & 1 << 19) != 0) {
996                        classSignature.remove(classSignature.size() - 1);
997                }
998                if ((class_flags[index] & 1 << 21) != 0) {
999                        class_RVA_bands.removeLatest();
1000                }
1001                if ((class_flags[index] & 1 << 22) != 0) {
1002                        class_RIA_bands.removeLatest();
1003                }
1004                for (final Long flagsL : tempFieldFlags) {
1005                        final long flags = flagsL.longValue();
1006                        if ((flags & 1 << 19) != 0) {
1007                                fieldSignature.remove(fieldSignature.size() - 1);
1008                        }
1009                        if ((flags & 1 << 17) != 0) {
1010                                fieldConstantValueKQ.remove(fieldConstantValueKQ.size() - 1);
1011                        }
1012                        if ((flags & 1 << 21) != 0) {
1013                                field_RVA_bands.removeLatest();
1014                        }
1015                        if ((flags & 1 << 22) != 0) {
1016                                field_RIA_bands.removeLatest();
1017                        }
1018                }
1019                for (final Long flagsL : tempMethodFlags) {
1020                        final long flags = flagsL.longValue();
1021                        if ((flags & 1 << 19) != 0) {
1022                                methodSignature.remove(methodSignature.size() - 1);
1023                        }
1024                        if ((flags & 1 << 18) != 0) {
1025                                final int exceptions = methodExceptionNumber.remove(methodExceptionNumber.size() - 1);
1026                                for (int i = 0; i < exceptions; i++) {
1027                                        methodExceptionClasses.remove(methodExceptionClasses.size() - 1);
1028                                }
1029                        }
1030                        if ((flags & 1 << 17) != 0) { // has code attribute
1031                                codeMaxLocals.remove(codeMaxLocals.size() - 1);
1032                                codeMaxStack.remove(codeMaxStack.size() - 1);
1033                                final int handlers = codeHandlerCount.remove(codeHandlerCount.size() - 1);
1034                                for (int i = 0; i < handlers; i++) {
1035                                        final int index = codeHandlerStartP.size() - 1;
1036                                        codeHandlerStartP.remove(index);
1037                                        codeHandlerEndPO.remove(index);
1038                                        codeHandlerCatchPO.remove(index);
1039                                        codeHandlerClass.remove(index);
1040                                }
1041                                if (!stripDebug) {
1042                                        final long cdeFlags = codeFlags.remove(codeFlags.size() - 1).longValue();
1043                                        final int numLocalVariables = codeLocalVariableTableN.remove(codeLocalVariableTableN.size() - 1);
1044                                        for (int i = 0; i < numLocalVariables; i++) {
1045                                                final int location = codeLocalVariableTableBciP.size() - 1;
1046                                                codeLocalVariableTableBciP.remove(location);
1047                                                codeLocalVariableTableSpanO.remove(location);
1048                                                codeLocalVariableTableNameRU.remove(location);
1049                                                codeLocalVariableTableTypeRS.remove(location);
1050                                                codeLocalVariableTableSlot.remove(location);
1051                                        }
1052                                        if ((cdeFlags & 1 << 3) != 0) {
1053                                                final int numLocalVariablesInTypeTable = codeLocalVariableTypeTableN
1054                                                                .remove(codeLocalVariableTypeTableN.size() - 1);
1055                                                for (int i = 0; i < numLocalVariablesInTypeTable; i++) {
1056                                                        final int location = codeLocalVariableTypeTableBciP.size() - 1;
1057                                                        codeLocalVariableTypeTableBciP.remove(location);
1058                                                        codeLocalVariableTypeTableSpanO.remove(location);
1059                                                        codeLocalVariableTypeTableNameRU.remove(location);
1060                                                        codeLocalVariableTypeTableTypeRS.remove(location);
1061                                                        codeLocalVariableTypeTableSlot.remove(location);
1062                                                }
1063                                        }
1064                                        if ((cdeFlags & 1 << 1) != 0) {
1065                                                final int numLineNumbers = codeLineNumberTableN.remove(codeLineNumberTableN.size() - 1);
1066                                                for (int i = 0; i < numLineNumbers; i++) {
1067                                                        final int location = codeLineNumberTableBciP.size() - 1;
1068                                                        codeLineNumberTableBciP.remove(location);
1069                                                        codeLineNumberTableLine.remove(location);
1070                                                }
1071                                        }
1072                                }
1073                        }
1074                        if ((flags & 1 << 21) != 0) {
1075                                method_RVA_bands.removeLatest();
1076                        }
1077                        if ((flags & 1 << 22) != 0) {
1078                                method_RIA_bands.removeLatest();
1079                        }
1080                        if ((flags & 1 << 23) != 0) {
1081                                method_RVPA_bands.removeLatest();
1082                        }
1083                        if ((flags & 1 << 24) != 0) {
1084                                method_RIPA_bands.removeLatest();
1085                        }
1086                        if ((flags & 1 << 25) != 0) {
1087                                method_AD_bands.removeLatest();
1088                        }
1089                }
1090                class_this[index] = null;
1091                class_super[index] = null;
1092                class_interface_count[index] = 0;
1093                class_interface[index] = null;
1094                major_versions[index] = 0;
1095                class_flags[index] = 0;
1096                tempFieldDesc.clear();
1097                tempFieldFlags.clear();
1098                tempMethodDesc.clear();
1099                tempMethodFlags.clear();
1100                if (index > 0) {
1101                        index--;
1102                }
1103        }
1104
1105        private void renumberBci(final List<Integer> list, final IntList bciRenumbering,
1106                        final Map<Label, Integer> labelsToOffsets) {
1107                for (int i = list.size() - 1; i >= 0; i--) {
1108                        final Object label = list.get(i);
1109                        if (label instanceof Integer) {
1110                                break;
1111                        }
1112                        if (label instanceof Label) {
1113                                list.remove(i);
1114                                final Integer bytecodeIndex = labelsToOffsets.get(label);
1115                                list.add(i, Integer.valueOf(bciRenumbering.get(bytecodeIndex.intValue())));
1116                        }
1117                }
1118        }
1119
1120        private void renumberDoubleOffsetBci(final List<Integer> relative, final List<Integer> firstOffset, final List<Object> list,
1121                        final IntList bciRenumbering, final Map<Label, Integer> labelsToOffsets) {
1122                // TODO: There's probably a nicer way of doing this...
1123                for (int i = list.size() - 1; i >= 0; i--) {
1124                        final Object label = list.get(i);
1125                        if (label instanceof Integer) {
1126                                break;
1127                        }
1128                        if (label instanceof Label) {
1129                                list.remove(i);
1130                                final Integer bytecodeIndex = labelsToOffsets.get(label);
1131                                final Integer renumberedOffset = Integer.valueOf(bciRenumbering.get(bytecodeIndex.intValue())
1132                                                - relative.get(i).intValue() - firstOffset.get(i).intValue());
1133                                list.add(i, renumberedOffset);
1134                        }
1135                }
1136        }
1137
1138        private void renumberOffsetBci(final List<Integer> relative, final List<Integer> list, final IntList bciRenumbering,
1139                        final Map<Label, Integer> labelsToOffsets) {
1140                for (int i = list.size() - 1; i >= 0; i--) {
1141                        final Object label = list.get(i);
1142                        if (label instanceof Integer) {
1143                                break;
1144                        }
1145                        if (label instanceof Label) {
1146                                list.remove(i);
1147                                final Integer bytecodeIndex = labelsToOffsets.get(label);
1148                                final Integer renumberedOffset = Integer
1149                                                .valueOf(bciRenumbering.get(bytecodeIndex.intValue()) - relative.get(i).intValue());
1150                                list.add(i, renumberedOffset);
1151                        }
1152                }
1153        }
1154
1155        private int sum(final int[] ints) {
1156                int sum = 0;
1157                for (final int j : ints) {
1158                        sum += j;
1159                }
1160                return sum;
1161        }
1162
1163        private void writeClassAttributeBands(final OutputStream out) throws IOException, Pack200Exception {
1164                byte[] encodedBand = encodeFlags("class_flags", class_flags, Codec.UNSIGNED5, Codec.UNSIGNED5,
1165                                segmentHeader.have_class_flags_hi());
1166                out.write(encodedBand);
1167                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_flags[" + class_flags.length + "]");
1168
1169                // These bands are not needed, but could be used to reduce the size of
1170                // the archive if there are enough different non-standard attributes
1171                // defined that segmentHeader.have_class_flags_hi() is true. The same
1172                // applies to method_attr_count, field_attr_count, code_attr_count etc.
1173
1174                // *class_attr_count :UNSIGNED5 [COUNT(1<<16,...)]
1175                // *class_attr_indexes :UNSIGNED5 [SUM(*class_attr_count)]
1176
1177                encodedBand = encodeBandInt("class_attr_calls", class_attr_calls, Codec.UNSIGNED5);
1178                out.write(encodedBand);
1179                PackingUtils
1180                                .log("Wrote " + encodedBand.length + " bytes from class_attr_calls[" + class_attr_calls.length + "]");
1181
1182                encodedBand = encodeBandInt("classSourceFile", cpEntryOrNullListToArray(classSourceFile), Codec.UNSIGNED5);
1183                out.write(encodedBand);
1184                PackingUtils.log("Wrote " + encodedBand.length + " bytes from classSourceFile[" + classSourceFile.size() + "]");
1185
1186                encodedBand = encodeBandInt("class_enclosing_method_RC", cpEntryListToArray(classEnclosingMethodClass),
1187                                Codec.UNSIGNED5);
1188                out.write(encodedBand);
1189                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_enclosing_method_RC["
1190                                + classEnclosingMethodClass.size() + "]");
1191
1192                encodedBand = encodeBandInt("class_EnclosingMethod_RDN", cpEntryOrNullListToArray(classEnclosingMethodDesc),
1193                                Codec.UNSIGNED5);
1194                out.write(encodedBand);
1195                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_EnclosingMethod_RDN["
1196                                + classEnclosingMethodDesc.size() + "]");
1197
1198                encodedBand = encodeBandInt("class_Signature_RS", cpEntryListToArray(classSignature), Codec.UNSIGNED5);
1199                out.write(encodedBand);
1200                PackingUtils
1201                                .log("Wrote " + encodedBand.length + " bytes from class_Signature_RS[" + classSignature.size() + "]");
1202
1203                class_RVA_bands.pack(out);
1204                class_RIA_bands.pack(out);
1205
1206                encodedBand = encodeBandInt("class_InnerClasses_N", class_InnerClasses_N, Codec.UNSIGNED5);
1207                out.write(encodedBand);
1208                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_InnerClasses_N["
1209                                + class_InnerClasses_N.length + "]");
1210
1211                encodedBand = encodeBandInt("class_InnerClasses_RC", getInts(class_InnerClasses_RC), Codec.UNSIGNED5);
1212                out.write(encodedBand);
1213                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_InnerClasses_RC["
1214                                + class_InnerClasses_RC.length + "]");
1215
1216                encodedBand = encodeBandInt("class_InnerClasses_F", class_InnerClasses_F, Codec.UNSIGNED5);
1217                out.write(encodedBand);
1218                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_InnerClasses_F["
1219                                + class_InnerClasses_F.length + "]");
1220
1221                encodedBand = encodeBandInt("class_InnerClasses_outer_RCN", cpEntryOrNullListToArray(classInnerClassesOuterRCN),
1222                                Codec.UNSIGNED5);
1223                out.write(encodedBand);
1224                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_InnerClasses_outer_RCN["
1225                                + classInnerClassesOuterRCN.size() + "]");
1226
1227                encodedBand = encodeBandInt("class_InnerClasses_name_RUN", cpEntryOrNullListToArray(classInnerClassesNameRUN),
1228                                Codec.UNSIGNED5);
1229                out.write(encodedBand);
1230                PackingUtils.log("Wrote " + encodedBand.length + " bytes from class_InnerClasses_name_RUN["
1231                                + classInnerClassesNameRUN.size() + "]");
1232
1233                encodedBand = encodeBandInt("classFileVersionMinor", classFileVersionMinor.toArray(), Codec.UNSIGNED5);
1234                out.write(encodedBand);
1235                PackingUtils.log("Wrote " + encodedBand.length + " bytes from classFileVersionMinor["
1236                                + classFileVersionMinor.size() + "]");
1237
1238                encodedBand = encodeBandInt("classFileVersionMajor", classFileVersionMajor.toArray(), Codec.UNSIGNED5);
1239                out.write(encodedBand);
1240                PackingUtils.log("Wrote " + encodedBand.length + " bytes from classFileVersionMajor["
1241                                + classFileVersionMajor.size() + "]");
1242
1243                for (final NewAttributeBands classAttributeBand : classAttributeBands) {
1244                        classAttributeBand.pack(out);
1245                }
1246        }
1247
1248        private void writeCodeAttributeBands(final OutputStream out) throws IOException, Pack200Exception {
1249                byte[] encodedBand = encodeFlags("codeFlags", longListToArray(codeFlags), Codec.UNSIGNED5, Codec.UNSIGNED5,
1250                                segmentHeader.have_code_flags_hi());
1251                out.write(encodedBand);
1252                PackingUtils.log("Wrote " + encodedBand.length + " bytes from codeFlags[" + codeFlags.size() + "]");
1253
1254                // *code_attr_count :UNSIGNED5 [COUNT(1<<16,...)]
1255                // *code_attr_indexes :UNSIGNED5 [SUM(*code_attr_count)]
1256                encodedBand = encodeBandInt("code_attr_calls", code_attr_calls, Codec.UNSIGNED5);
1257                out.write(encodedBand);
1258                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_attr_calls[" + code_attr_calls.length + "]");
1259
1260                encodedBand = encodeBandInt("code_LineNumberTable_N", codeLineNumberTableN.toArray(), Codec.UNSIGNED5);
1261                out.write(encodedBand);
1262                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LineNumberTable_N["
1263                                + codeLineNumberTableN.size() + "]");
1264
1265                encodedBand = encodeBandInt("code_LineNumberTable_bci_P", integerListToArray(codeLineNumberTableBciP),
1266                                Codec.BCI5);
1267                out.write(encodedBand);
1268                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LineNumberTable_bci_P["
1269                                + codeLineNumberTableBciP.size() + "]");
1270
1271                encodedBand = encodeBandInt("code_LineNumberTable_line", codeLineNumberTableLine.toArray(), Codec.UNSIGNED5);
1272                out.write(encodedBand);
1273                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LineNumberTable_line["
1274                                + codeLineNumberTableLine.size() + "]");
1275
1276                encodedBand = encodeBandInt("code_LocalVariableTable_N", codeLocalVariableTableN.toArray(), Codec.UNSIGNED5);
1277                out.write(encodedBand);
1278                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTable_N["
1279                                + codeLocalVariableTableN.size() + "]");
1280
1281                encodedBand = encodeBandInt("code_LocalVariableTable_bci_P", integerListToArray(codeLocalVariableTableBciP),
1282                                Codec.BCI5);
1283                out.write(encodedBand);
1284                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTable_bci_P["
1285                                + codeLocalVariableTableBciP.size() + "]");
1286
1287                encodedBand = encodeBandInt("code_LocalVariableTable_span_O", integerListToArray(codeLocalVariableTableSpanO),
1288                                Codec.BRANCH5);
1289                out.write(encodedBand);
1290                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTable_span_O["
1291                                + codeLocalVariableTableSpanO.size() + "]");
1292
1293                encodedBand = encodeBandInt("code_LocalVariableTable_name_RU", cpEntryListToArray(codeLocalVariableTableNameRU),
1294                                Codec.UNSIGNED5);
1295                out.write(encodedBand);
1296                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTable_name_RU["
1297                                + codeLocalVariableTableNameRU.size() + "]");
1298
1299                encodedBand = encodeBandInt("code_LocalVariableTable_type_RS", cpEntryListToArray(codeLocalVariableTableTypeRS),
1300                                Codec.UNSIGNED5);
1301                out.write(encodedBand);
1302                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTable_type_RS["
1303                                + codeLocalVariableTableTypeRS.size() + "]");
1304
1305                encodedBand = encodeBandInt("code_LocalVariableTable_slot", codeLocalVariableTableSlot.toArray(),
1306                                Codec.UNSIGNED5);
1307                out.write(encodedBand);
1308                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTable_slot["
1309                                + codeLocalVariableTableSlot.size() + "]");
1310
1311                encodedBand = encodeBandInt("code_LocalVariableTypeTable_N", codeLocalVariableTypeTableN.toArray(),
1312                                Codec.UNSIGNED5);
1313                out.write(encodedBand);
1314                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTypeTable_N["
1315                                + codeLocalVariableTypeTableN.size() + "]");
1316
1317                encodedBand = encodeBandInt("code_LocalVariableTypeTable_bci_P",
1318                                integerListToArray(codeLocalVariableTypeTableBciP), Codec.BCI5);
1319                out.write(encodedBand);
1320                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTypeTable_bci_P["
1321                                + codeLocalVariableTypeTableBciP.size() + "]");
1322
1323                encodedBand = encodeBandInt("code_LocalVariableTypeTable_span_O",
1324                                integerListToArray(codeLocalVariableTypeTableSpanO), Codec.BRANCH5);
1325                out.write(encodedBand);
1326                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTypeTable_span_O["
1327                                + codeLocalVariableTypeTableSpanO.size() + "]");
1328
1329                encodedBand = encodeBandInt("code_LocalVariableTypeTable_name_RU",
1330                                cpEntryListToArray(codeLocalVariableTypeTableNameRU), Codec.UNSIGNED5);
1331                out.write(encodedBand);
1332                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTypeTable_name_RU["
1333                                + codeLocalVariableTypeTableNameRU.size() + "]");
1334
1335                encodedBand = encodeBandInt("code_LocalVariableTypeTable_type_RS",
1336                                cpEntryListToArray(codeLocalVariableTypeTableTypeRS), Codec.UNSIGNED5);
1337                out.write(encodedBand);
1338                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTypeTable_type_RS["
1339                                + codeLocalVariableTypeTableTypeRS.size() + "]");
1340
1341                encodedBand = encodeBandInt("code_LocalVariableTypeTable_slot", codeLocalVariableTypeTableSlot.toArray(),
1342                                Codec.UNSIGNED5);
1343                out.write(encodedBand);
1344                PackingUtils.log("Wrote " + encodedBand.length + " bytes from code_LocalVariableTypeTable_slot["
1345                                + codeLocalVariableTypeTableSlot.size() + "]");
1346
1347                for (final NewAttributeBands bands : codeAttributeBands) {
1348                        bands.pack(out);
1349                }
1350        }
1351
1352        private void writeCodeBands(final OutputStream out) throws IOException, Pack200Exception {
1353                byte[] encodedBand = encodeBandInt("codeHeaders", codeHeaders, Codec.BYTE1);
1354                out.write(encodedBand);
1355                PackingUtils.log("Wrote " + encodedBand.length + " bytes from codeHeaders[" + codeHeaders.length + "]");
1356
1357                encodedBand = encodeBandInt("codeMaxStack", codeMaxStack.toArray(), Codec.UNSIGNED5);
1358                out.write(encodedBand);
1359                PackingUtils.log("Wrote " + encodedBand.length + " bytes from codeMaxStack[" + codeMaxStack.size() + "]");
1360
1361                encodedBand = encodeBandInt("codeMaxLocals", codeMaxLocals.toArray(), Codec.UNSIGNED5);
1362                out.write(encodedBand);
1363                PackingUtils.log("Wrote " + encodedBand.length + " bytes from codeMaxLocals[" + codeMaxLocals.size() + "]");
1364
1365                encodedBand = encodeBandInt("codeHandlerCount", codeHandlerCount.toArray(), Codec.UNSIGNED5);
1366                out.write(encodedBand);
1367                PackingUtils
1368                                .log("Wrote " + encodedBand.length + " bytes from codeHandlerCount[" + codeHandlerCount.size() + "]");
1369
1370                encodedBand = encodeBandInt("codeHandlerStartP", integerListToArray(codeHandlerStartP), Codec.BCI5);
1371                out.write(encodedBand);
1372                PackingUtils
1373                                .log("Wrote " + encodedBand.length + " bytes from codeHandlerStartP[" + codeHandlerStartP.size() + "]");
1374
1375                encodedBand = encodeBandInt("codeHandlerEndPO", integerListToArray(codeHandlerEndPO), Codec.BRANCH5);
1376                out.write(encodedBand);
1377                PackingUtils
1378                                .log("Wrote " + encodedBand.length + " bytes from codeHandlerEndPO[" + codeHandlerEndPO.size() + "]");
1379
1380                encodedBand = encodeBandInt("codeHandlerCatchPO", integerListToArray(codeHandlerCatchPO), Codec.BRANCH5);
1381                out.write(encodedBand);
1382                PackingUtils.log(
1383                                "Wrote " + encodedBand.length + " bytes from codeHandlerCatchPO[" + codeHandlerCatchPO.size() + "]");
1384
1385                encodedBand = encodeBandInt("codeHandlerClass", cpEntryOrNullListToArray(codeHandlerClass), Codec.UNSIGNED5);
1386                out.write(encodedBand);
1387                PackingUtils
1388                                .log("Wrote " + encodedBand.length + " bytes from codeHandlerClass[" + codeHandlerClass.size() + "]");
1389
1390                writeCodeAttributeBands(out);
1391        }
1392
1393        private void writeFieldAttributeBands(final OutputStream out) throws IOException, Pack200Exception {
1394                byte[] encodedBand = encodeFlags("field_flags", field_flags, Codec.UNSIGNED5, Codec.UNSIGNED5,
1395                                segmentHeader.have_field_flags_hi());
1396                out.write(encodedBand);
1397                PackingUtils.log("Wrote " + encodedBand.length + " bytes from field_flags[" + field_flags.length + "]");
1398
1399                // *field_attr_count :UNSIGNED5 [COUNT(1<<16,...)]
1400                // *field_attr_indexes :UNSIGNED5 [SUM(*field_attr_count)]
1401                encodedBand = encodeBandInt("field_attr_calls", field_attr_calls, Codec.UNSIGNED5);
1402                out.write(encodedBand);
1403                PackingUtils
1404                                .log("Wrote " + encodedBand.length + " bytes from field_attr_calls[" + field_attr_calls.length + "]");
1405
1406                encodedBand = encodeBandInt("fieldConstantValueKQ", cpEntryListToArray(fieldConstantValueKQ), Codec.UNSIGNED5);
1407                out.write(encodedBand);
1408                PackingUtils.log("Wrote " + encodedBand.length + " bytes from fieldConstantValueKQ["
1409                                + fieldConstantValueKQ.size() + "]");
1410
1411                encodedBand = encodeBandInt("fieldSignature", cpEntryListToArray(fieldSignature), Codec.UNSIGNED5);
1412                out.write(encodedBand);
1413                PackingUtils.log("Wrote " + encodedBand.length + " bytes from fieldSignature[" + fieldSignature.size() + "]");
1414
1415                field_RVA_bands.pack(out);
1416                field_RIA_bands.pack(out);
1417                for (final NewAttributeBands bands : fieldAttributeBands) {
1418                        bands.pack(out);
1419                }
1420        }
1421
1422        private void writeMethodAttributeBands(final OutputStream out) throws IOException, Pack200Exception {
1423                byte[] encodedBand = encodeFlags("method_flags", method_flags, Codec.UNSIGNED5, Codec.UNSIGNED5,
1424                                segmentHeader.have_method_flags_hi());
1425                out.write(encodedBand);
1426                PackingUtils.log("Wrote " + encodedBand.length + " bytes from method_flags[" + method_flags.length + "]");
1427
1428                // *method_attr_count :UNSIGNED5 [COUNT(1<<16,...)]
1429                // *method_attr_indexes :UNSIGNED5 [SUM(*method_attr_count)]
1430                encodedBand = encodeBandInt("method_attr_calls", method_attr_calls, Codec.UNSIGNED5);
1431                out.write(encodedBand);
1432                PackingUtils
1433                                .log("Wrote " + encodedBand.length + " bytes from method_attr_calls[" + method_attr_calls.length + "]");
1434
1435                encodedBand = encodeBandInt("methodExceptionNumber", methodExceptionNumber.toArray(), Codec.UNSIGNED5);
1436                out.write(encodedBand);
1437                PackingUtils.log("Wrote " + encodedBand.length + " bytes from methodExceptionNumber["
1438                                + methodExceptionNumber.size() + "]");
1439
1440                encodedBand = encodeBandInt("methodExceptionClasses", cpEntryListToArray(methodExceptionClasses),
1441                                Codec.UNSIGNED5);
1442                out.write(encodedBand);
1443                PackingUtils.log("Wrote " + encodedBand.length + " bytes from methodExceptionClasses["
1444                                + methodExceptionClasses.size() + "]");
1445
1446                encodedBand = encodeBandInt("methodSignature", cpEntryListToArray(methodSignature), Codec.UNSIGNED5);
1447                out.write(encodedBand);
1448                PackingUtils.log("Wrote " + encodedBand.length + " bytes from methodSignature[" + methodSignature.size() + "]");
1449
1450                method_RVA_bands.pack(out);
1451                method_RIA_bands.pack(out);
1452                method_RVPA_bands.pack(out);
1453                method_RIPA_bands.pack(out);
1454                method_AD_bands.pack(out);
1455                for (final NewAttributeBands bands : methodAttributeBands) {
1456                        bands.pack(out);
1457                }
1458        }
1459}