jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javap/AttributeWriter.java@4868a36f6fd8

     1 /*

     2  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package com.sun.tools.javap;

    28 import java.util.Formatter;

    30 import com.sun.tools.classfile.AccessFlags;

    31 import com.sun.tools.classfile.AnnotationDefault_attribute;

    32 import com.sun.tools.classfile.Attribute;

    33 import com.sun.tools.classfile.Attributes;

    34 import com.sun.tools.classfile.CharacterRangeTable_attribute;

    35 import com.sun.tools.classfile.Code_attribute;

    36 import com.sun.tools.classfile.CompilationID_attribute;

    37 import com.sun.tools.classfile.ConstantPool;

    38 import com.sun.tools.classfile.ConstantPoolException;

    39 import com.sun.tools.classfile.ConstantValue_attribute;

    40 import com.sun.tools.classfile.DefaultAttribute;

    41 import com.sun.tools.classfile.Deprecated_attribute;

    42 import com.sun.tools.classfile.EnclosingMethod_attribute;

    43 import com.sun.tools.classfile.Exceptions_attribute;

    44 import com.sun.tools.classfile.InnerClasses_attribute;

    45 import com.sun.tools.classfile.LineNumberTable_attribute;

    46 import com.sun.tools.classfile.LocalVariableTable_attribute;

    47 import com.sun.tools.classfile.LocalVariableTypeTable_attribute;

    48 import com.sun.tools.classfile.RuntimeInvisibleAnnotations_attribute;

    49 import com.sun.tools.classfile.RuntimeInvisibleParameterAnnotations_attribute;

    50 import com.sun.tools.classfile.RuntimeInvisibleTypeAnnotations_attribute;

    51 import com.sun.tools.classfile.RuntimeVisibleAnnotations_attribute;

    52 import com.sun.tools.classfile.RuntimeVisibleParameterAnnotations_attribute;

    53 import com.sun.tools.classfile.RuntimeVisibleTypeAnnotations_attribute;

    54 import com.sun.tools.classfile.Signature_attribute;

    55 import com.sun.tools.classfile.SourceDebugExtension_attribute;

    56 import com.sun.tools.classfile.SourceFile_attribute;

    57 import com.sun.tools.classfile.SourceID_attribute;

    58 import com.sun.tools.classfile.StackMapTable_attribute;

    59 import com.sun.tools.classfile.StackMap_attribute;

    60 import com.sun.tools.classfile.Synthetic_attribute;

    62 import static com.sun.tools.classfile.AccessFlags.*;

    64 /*

    65  *  A writer for writing Attributes as text.

    66  *

    67  *  <p><b>This is NOT part of any supported API.

    68  *  If you write code that depends on this, you do so at your own risk.

    69  *  This code and its internal interfaces are subject to change or

    70  *  deletion without notice.</b>

    71  */

    72 public class AttributeWriter extends BasicWriter

    73         implements Attribute.Visitor<Void,Void>

    74 {

    75     public static AttributeWriter instance(Context context) {

    76         AttributeWriter instance = context.get(AttributeWriter.class);

    77         if (instance == null)

    78             instance = new AttributeWriter(context);

    79         return instance;

    80     }

    82     protected AttributeWriter(Context context) {

    83         super(context);

    84         context.put(AttributeWriter.class, this);

    85         annotationWriter = AnnotationWriter.instance(context);

    86         codeWriter = CodeWriter.instance(context);

    87         constantWriter = ConstantWriter.instance(context);

    88         options = Options.instance(context);

    89     }

    91     public void write(Object owner, Attribute attr, ConstantPool constant_pool) {

    92         if (attr != null) {

    93             // null checks

    94             owner.getClass();

    95             constant_pool.getClass();

    96             this.constant_pool = constant_pool;

    97             this.owner = owner;

    98             attr.accept(this, null);

    99         }

   100     }

   102     public void write(Object owner, Attributes attrs, ConstantPool constant_pool) {

   103         if (attrs != null) {

   104             // null checks

   105             owner.getClass();

   106             constant_pool.getClass();

   107             this.constant_pool = constant_pool;

   108             this.owner = owner;

   109             for (Attribute attr: attrs)

   110                 attr.accept(this, null);

   111         }

   112     }

   114     public Void visitDefault(DefaultAttribute attr, Void ignore) {

   115         byte[] data = attr.info;

   116         int i = 0;

   117         int j = 0;

   118         print("  ");

   119         try {

   120             print(attr.getName(constant_pool));

   121         } catch (ConstantPoolException e) {

   122             report(e);

   123             print("attribute name = #" + attr.attribute_name_index);

   124         }

   125         print(": ");

   126         println("length = 0x" + toHex(attr.info.length));

   128         print("   ");

   130         while (i < data.length) {

   131             print(toHex(data[i], 2));

   133             j++;

   134             if (j == 16) {

   135                 println();

   136                 print("   ");

   137                 j = 0;

   138             } else {

   139                 print(" ");

   140             }

   141             i++;

   142         }

   143         println();

   144         return null;

   145     }

   147     public Void visitAnnotationDefault(AnnotationDefault_attribute attr, Void ignore) {

   148         println("AnnotationDefault:");

   149         indent(+1);

   150         print("default_value: ");

   151         annotationWriter.write(attr.default_value);

   152         indent(-1);

   153         return null;

   154     }

   156     public Void visitCharacterRangeTable(CharacterRangeTable_attribute attr, Void ignore) {

   157         println("CharacterRangeTable:");

   158         indent(+1);

   159         for (int i = 0; i < attr.character_range_table.length; i++) {

   160             CharacterRangeTable_attribute.Entry e = attr.character_range_table[i];

   161             print(String.format("    %2d, %2d, %6x, %6x, %4x",

   162                     e.start_pc, e.end_pc,

   163                     e.character_range_start, e.character_range_end,

   164                     e.flags));

   165             tab();

   166             print(String.format("// %2d, %2d, %4d:%02d, %4d:%02d",

   167                     e.start_pc, e.end_pc,

   168                     (e.character_range_start >> 10), (e.character_range_start & 0x3ff),

   169                     (e.character_range_end >> 10), (e.character_range_end & 0x3ff)));

   170             if ((e.flags & CharacterRangeTable_attribute.CRT_STATEMENT) != 0)

   171                 print(", statement");

   172             if ((e.flags & CharacterRangeTable_attribute.CRT_BLOCK) != 0)

   173                 print(", block");

   174             if ((e.flags & CharacterRangeTable_attribute.CRT_ASSIGNMENT) != 0)

   175                 print(", assignment");

   176             if ((e.flags & CharacterRangeTable_attribute.CRT_FLOW_CONTROLLER) != 0)

   177                 print(", flow-controller");

   178             if ((e.flags & CharacterRangeTable_attribute.CRT_FLOW_TARGET) != 0)

   179                 print(", flow-target");

   180             if ((e.flags & CharacterRangeTable_attribute.CRT_INVOKE) != 0)

   181                 print(", invoke");

   182             if ((e.flags & CharacterRangeTable_attribute.CRT_CREATE) != 0)

   183                 print(", create");

   184             if ((e.flags & CharacterRangeTable_attribute.CRT_BRANCH_TRUE) != 0)

   185                 print(", branch-true");

   186             if ((e.flags & CharacterRangeTable_attribute.CRT_BRANCH_FALSE) != 0)

   187                 print(", branch-false");

   188             println();

   189         }

   190         indent(-1);

   191         return null;

   192     }

   194     public Void visitCode(Code_attribute attr, Void ignore) {

   195         codeWriter.write(attr, constant_pool);

   196         return null;

   197     }

   199     public Void visitCompilationID(CompilationID_attribute attr, Void ignore) {

   200         constantWriter.write(attr.compilationID_index);

   201         return null;

   202     }

   204     public Void visitConstantValue(ConstantValue_attribute attr, Void ignore) {

   205         if (options.compat) // BUG 6622216 javap names some attributes incorrectly

   206             print("Constant value: ");

   207         else

   208             print("ConstantValue: ");

   209         constantWriter.write(attr.constantvalue_index);

   210         println();

   211         return null;

   212     }

   214     public Void visitDeprecated(Deprecated_attribute attr, Void ignore) {

   215         println("Deprecated: true");

   216         return null;

   217     }

   219     public Void visitEnclosingMethod(EnclosingMethod_attribute attr, Void ignore) {

   220         print("EnclosingMethod: #" + attr.class_index + ".#" + attr.method_index);

   221         tab();

   222         print("// " + getJavaClassName(attr));

   223         if (attr.method_index != 0)

   224             print("." + getMethodName(attr));

   225         println();

   226         return null;

   227     }

   229     private String getJavaClassName(EnclosingMethod_attribute a) {

   230         try {

   231             return getJavaName(a.getClassName(constant_pool));

   232         } catch (ConstantPoolException e) {

   233             return report(e);

   234         }

   235     }

   237     private String getMethodName(EnclosingMethod_attribute a) {

   238         try {

   239             return a.getMethodName(constant_pool);

   240         } catch (ConstantPoolException e) {

   241             return report(e);

   242         }

   243     }

   245     public Void visitExceptions(Exceptions_attribute attr, Void ignore) {

   246         println("Exceptions:");

   247         indent(+1);

   248         print("throws ");

   249         for (int i = 0; i < attr.number_of_exceptions; i++) {

   250             if (i > 0)

   251                 print(", ");

   252             print(getJavaException(attr, i));

   253         }

   254         println();

   255         indent(-1);

   256         return null;

   257     }

   259     private String getJavaException(Exceptions_attribute attr, int index) {

   260         try {

   261             return getJavaName(attr.getException(index, constant_pool));

   262         } catch (ConstantPoolException e) {

   263             return report(e);

   264         }

   265     }

   267     public Void visitInnerClasses(InnerClasses_attribute attr, Void ignore) {

   268         boolean first = true;

   269         if (options.compat) {

   270             writeInnerClassHeader();

   271             first = false;

   272         }

   273         for (int i = 0 ; i < attr.classes.length; i++) {

   274             InnerClasses_attribute.Info info = attr.classes[i];

   275             //access

   276             AccessFlags access_flags = info.inner_class_access_flags;

   277             if (options.compat) {

   278                 // BUG 6622215: javap ignores certain relevant access flags

   279                 access_flags = access_flags.ignore(ACC_STATIC | ACC_PROTECTED | ACC_PRIVATE | ACC_INTERFACE | ACC_SYNTHETIC | ACC_ENUM);

   280                 // BUG 6622232: javap gets whitespace confused

   281                 print("   ");

   282             }

   283             if (options.checkAccess(access_flags)) {

   284                 if (first) {

   285                     writeInnerClassHeader();

   286                     first = false;

   287                 }

   288                 print("   ");

   289                 for (String name: access_flags.getInnerClassModifiers())

   290                     print(name + " ");

   291                 if (info.inner_name_index!=0) {

   292                     print("#" + info.inner_name_index + "= ");

   293                 }

   294                 print("#" + info.inner_class_info_index);

   295                 if (info.outer_class_info_index != 0) {

   296                     print(" of #" + info.outer_class_info_index);

   297                 }

   298                 print("; //");

   299                 if (info.inner_name_index != 0) {

   300                     print(getInnerName(constant_pool, info) + "=");

   301                 }

   302                 constantWriter.write(info.inner_class_info_index);

   303                 if (info.outer_class_info_index != 0) {

   304                     print(" of ");

   305                     constantWriter.write(info.outer_class_info_index);

   306                 }

   307                 println();

   308             }

   309         }

   310         if (!first)

   311             indent(-1);

   312         return null;

   313     }

   315     String getInnerName(ConstantPool constant_pool, InnerClasses_attribute.Info info) {

   316         try {

   317             return info.getInnerName(constant_pool);

   318         } catch (ConstantPoolException e) {

   319             return report(e);

   320         }

   321     }

   323     private void writeInnerClassHeader() {

   324         if (options.compat) // BUG 6622216: javap names some attributes incorrectly

   325             print("InnerClass");

   326         else

   327             print("InnerClasses");

   328         println(":");

   329         indent(+1);

   330     }

   332     public Void visitLineNumberTable(LineNumberTable_attribute attr, Void ignore) {

   333         println("LineNumberTable:");

   334         indent(+1);

   335         for (LineNumberTable_attribute.Entry entry: attr.line_number_table) {

   336             println("line " + entry.line_number + ": " + entry.start_pc);

   337         }

   338         indent(-1);

   339         return null;

   340     }

   342     public Void visitLocalVariableTable(LocalVariableTable_attribute attr, Void ignore) {

   343         println("LocalVariableTable:");

   344         indent(+1);

   345         println("Start  Length  Slot  Name   Signature");

   346         for (LocalVariableTable_attribute.Entry entry : attr.local_variable_table) {

   347             Formatter formatter = new Formatter();

   348             println(formatter.format("%8d %7d %5d %5s   %s",

   349                     entry.start_pc, entry.length, entry.index,

   350                     constantWriter.stringValue(entry.name_index),

   351                     constantWriter.stringValue(entry.descriptor_index)));

   352         }

   353         indent(-1);

   354         return null;

   355     }

   357     public Void visitLocalVariableTypeTable(LocalVariableTypeTable_attribute attr, Void ignore) {

   358         println("LocalVariableTypeTable:");

   359         indent(+1);

   360         println("Start  Length  Slot  Name   Signature");

   361         for (LocalVariableTypeTable_attribute.Entry entry : attr.local_variable_table) {

   362             println(String.format("%5d %7d %5d %5s   %s",

   363                     entry.start_pc, entry.length, entry.index,

   364                     constantWriter.stringValue(entry.name_index),

   365                     constantWriter.stringValue(entry.signature_index)));

   366         }

   367         indent(-1);

   368         return null;

   369     }

   371     public Void visitRuntimeVisibleAnnotations(RuntimeVisibleAnnotations_attribute attr, Void ignore) {

   372         println("RuntimeVisibleAnnotations:");

   373         indent(+1);

   374         for (int i = 0; i < attr.annotations.length; i++) {

   375             print(i + ": ");

   376             annotationWriter.write(attr.annotations[i]);

   377             println();

   378         }

   379         indent(-1);

   380         return null;

   381     }

   383     public Void visitRuntimeInvisibleAnnotations(RuntimeInvisibleAnnotations_attribute attr, Void ignore) {

   384         println("RuntimeInvisibleAnnotations:");

   385         indent(+1);

   386         for (int i = 0; i < attr.annotations.length; i++) {

   387             print(i + ": ");

   388             annotationWriter.write(attr.annotations[i]);

   389             println();

   390         }

   391         indent(-1);

   392         return null;

   393     }

   395     public Void visitRuntimeVisibleTypeAnnotations(RuntimeVisibleTypeAnnotations_attribute attr, Void ignore) {

   396         println("RuntimeVisibleTypeAnnotations:");

   397         indent(+1);

   398         for (int i = 0; i < attr.annotations.length; i++) {

   399             print(i + ": ");

   400             annotationWriter.write(attr.annotations[i]);

   401             println();

   402         }

   403         indent(-1);

   404         return null;

   405     }

   407     public Void visitRuntimeInvisibleTypeAnnotations(RuntimeInvisibleTypeAnnotations_attribute attr, Void ignore) {

   408         println("RuntimeInvisibleTypeAnnotations:");

   409         indent(+1);

   410         for (int i = 0; i < attr.annotations.length; i++) {

   411             print(i + ": ");

   412             annotationWriter.write(attr.annotations[i]);

   413             println();

   414         }

   415         indent(-1);

   416         return null;

   417     }

   419     public Void visitRuntimeVisibleParameterAnnotations(RuntimeVisibleParameterAnnotations_attribute attr, Void ignore) {

   420         println("RuntimeVisibleParameterAnnotations:");

   421         indent(+1);

   422         for (int param = 0; param < attr.parameter_annotations.length; param++) {

   423             println("parameter " + param + ": ");

   424             indent(+1);

   425             for (int i = 0; i < attr.parameter_annotations[param].length; i++) {

   426                 print(i + ": ");

   427                 annotationWriter.write(attr.parameter_annotations[param][i]);

   428                 println();

   429             }

   430             indent(-1);

   431         }

   432         indent(-1);

   433         return null;

   434     }

   436     public Void visitRuntimeInvisibleParameterAnnotations(RuntimeInvisibleParameterAnnotations_attribute attr, Void ignore) {

   437         println("RuntimeInvisibleParameterAnnotations:");

   438         indent(+1);

   439         for (int param = 0; param < attr.parameter_annotations.length; param++) {

   440             println(param + ": ");

   441             indent(+1);

   442             for (int i = 0; i < attr.parameter_annotations[param].length; i++) {

   443                 print(i + ": ");

   444                 annotationWriter.write(attr.parameter_annotations[param][i]);

   445                 println();

   446             }

   447             indent(-1);

   448         }

   449         indent(-1);

   450         return null;

   451     }

   453     public Void visitSignature(Signature_attribute attr, Void ignore) {

   454         print("Signature: #" + attr.signature_index);

   455         tab();

   456         println("// " + getSignature(attr));

   457         return null;

   458     }

   460     String getSignature(Signature_attribute info) {

   461         try {

   462             return info.getSignature(constant_pool);

   463         } catch (ConstantPoolException e) {

   464             return report(e);

   465         }

   466     }

   468     public Void visitSourceDebugExtension(SourceDebugExtension_attribute attr, Void ignore) {

   469         println("SourceDebugExtension: " + attr.getValue());

   470         return null;

   471     }

   473     public Void visitSourceFile(SourceFile_attribute attr, Void ignore) {

   474         println("SourceFile: \"" + getSourceFile(attr) + "\"");

   475         return null;

   476     }

   478     private String getSourceFile(SourceFile_attribute attr) {

   479         try {

   480             return attr.getSourceFile(constant_pool);

   481         } catch (ConstantPoolException e) {

   482             return report(e);

   483         }

   484     }

   486     public Void visitSourceID(SourceID_attribute attr, Void ignore) {

   487         constantWriter.write(attr.sourceID_index);

   488         return null;

   489     }

   491     public Void visitStackMap(StackMap_attribute attr, Void ignore) {

   492         println("StackMap: number_of_entries = " + attr.number_of_entries);

   493         indent(+1);

   494         StackMapTableWriter w = new StackMapTableWriter();

   495         for (StackMapTable_attribute.stack_map_frame entry : attr.entries) {

   496             w.write(entry);

   497         }

   498         println();

   499         indent(-1);

   500         return null;

   501     }

   503     public Void visitStackMapTable(StackMapTable_attribute attr, Void ignore) {

   504         println("StackMapTable: number_of_entries = " + attr.number_of_entries);

   505         indent(+1);

   506         StackMapTableWriter w = new StackMapTableWriter();

   507         for (StackMapTable_attribute.stack_map_frame entry : attr.entries) {

   508             w.write(entry);

   509         }

   510         println();

   511         indent(-1);

   512         return null;

   513     }

   515     class StackMapTableWriter // also handles CLDC StackMap attributes

   516             implements StackMapTable_attribute.stack_map_frame.Visitor<Void,Void> {

   517         public void write(StackMapTable_attribute.stack_map_frame frame) {

   518             frame.accept(this, null);

   519         }

   521         public Void visit_same_frame(StackMapTable_attribute.same_frame frame, Void p) {

   522             printHeader(frame);

   523             println(" /* same */");

   524             return null;

   525         }

   527         public Void visit_same_locals_1_stack_item_frame(StackMapTable_attribute.same_locals_1_stack_item_frame frame, Void p) {

   528             printHeader(frame);

   529             println(" /* same_locals_1_stack_item */");

   530             indent(+1);

   531             printMap("stack", frame.stack);

   532             indent(-1);

   533             return null;

   534         }

   536         public Void visit_same_locals_1_stack_item_frame_extended(StackMapTable_attribute.same_locals_1_stack_item_frame_extended frame, Void p) {

   537             printHeader(frame);

   538             println(" /* same_locals_1_stack_item_frame_extended */");

   539             indent(+1);

   540             println("offset_delta = " + frame.offset_delta);

   541             printMap("stack", frame.stack);

   542             indent(-1);

   543             return null;

   544         }

   546         public Void visit_chop_frame(StackMapTable_attribute.chop_frame frame, Void p) {

   547             printHeader(frame);

   548             println(" /* chop */");

   549             indent(+1);

   550             println("offset_delta = " + frame.offset_delta);

   551             indent(-1);

   552             return null;

   553         }

   555         public Void visit_same_frame_extended(StackMapTable_attribute.same_frame_extended frame, Void p) {

   556             printHeader(frame);

   557             println(" /* same_frame_extended */");

   558             indent(+1);

   559             println("offset_delta = " + frame.offset_delta);

   560             indent(-1);

   561             return null;

   562         }

   564         public Void visit_append_frame(StackMapTable_attribute.append_frame frame, Void p) {

   565             printHeader(frame);

   566             println(" /* append */");

   567             println("     offset_delta = " + frame.offset_delta);

   568             printMap("locals", frame.locals);

   569             return null;

   570         }

   572         public Void visit_full_frame(StackMapTable_attribute.full_frame frame, Void p) {

   573             printHeader(frame);

   574             if (frame instanceof StackMap_attribute.stack_map_frame) {

   575                 indent(+1);

   576                 println(" offset = " + frame.offset_delta);

   577             } else {

   578                 println(" /* full_frame */");

   579                 indent(+1);

   580                 println("offset_delta = " + frame.offset_delta);

   581             }

   582             printMap("locals", frame.locals);

   583             printMap("stack", frame.stack);

   584             indent(-1);

   585             return null;

   586         }

   588         void printHeader(StackMapTable_attribute.stack_map_frame frame) {

   589             print("   frame_type = " + frame.frame_type);

   590         }

   592         void printMap(String name, StackMapTable_attribute.verification_type_info[] map) {

   593             print(name + " = [");

   594             for (int i = 0; i < map.length; i++) {

   595                 StackMapTable_attribute.verification_type_info info = map[i];

   596                 int tag = info.tag;

   597                 switch (tag) {

   598                     case StackMapTable_attribute.verification_type_info.ITEM_Object:

   599                         print(" ");

   600                         constantWriter.write(((StackMapTable_attribute.Object_variable_info) info).cpool_index);

   601                         break;

   602                     case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized:

   603                         print(" " + mapTypeName(tag));

   604                         print(" " + ((StackMapTable_attribute.Uninitialized_variable_info) info).offset);

   605                         break;

   606                     default:

   607                         print(" " + mapTypeName(tag));

   608                 }

   609                 print(i == (map.length - 1) ? " " : ",");

   610             }

   611             println("]");

   612         }

   614         String mapTypeName(int tag) {

   615             switch (tag) {

   616             case StackMapTable_attribute.verification_type_info.ITEM_Top:

   617                 return "top";

   619             case StackMapTable_attribute.verification_type_info.ITEM_Integer:

   620                 return "int";

   622             case StackMapTable_attribute.verification_type_info.ITEM_Float:

   623                 return "float";

   625             case StackMapTable_attribute.verification_type_info.ITEM_Long:

   626                 return "long";

   628             case StackMapTable_attribute.verification_type_info.ITEM_Double:

   629                 return "double";

   631             case StackMapTable_attribute.verification_type_info.ITEM_Null:

   632                 return "null";

   634             case StackMapTable_attribute.verification_type_info.ITEM_UninitializedThis:

   635                 return "this";

   637             case StackMapTable_attribute.verification_type_info.ITEM_Object:

   638                 return "CP";

   640             case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized:

   641                 return "uninitialized";

   643             default:

   644                 report("unrecognized verification_type_info tag: " + tag);

   645                 return "[tag:" + tag + "]";

   646             }

   647         }

   648     }

   650     public Void visitSynthetic(Synthetic_attribute attr, Void ignore) {

   651         println("Synthetic: true");

   652         return null;

   653     }

   655     static String getJavaName(String name) {

   656         return name.replace('/', '.');

   657     }

   659     String toHex(byte b, int w) {

   660         if (options.compat) // BUG 6622260: javap prints negative bytes incorrectly in hex

   661             return toHex((int) b, w);

   662         else

   663             return toHex(b & 0xff, w);

   664     }

   666     static String toHex(int i) {

   667         return Integer.toString(i, 16).toUpperCase();

   668     }

   670     static String toHex(int i, int w) {

   671         String s = Integer.toHexString(i).toUpperCase();

   672         while (s.length() < w)

   673             s = "0" + s;

   674         return s.toUpperCase();

   675     }

   677     private AnnotationWriter annotationWriter;

   678     private CodeWriter codeWriter;

   679     private ConstantWriter constantWriter;

   680     private Options options;

   682     private ConstantPool constant_pool;

   683     private Object owner;

   684 }

Mercurial > jdk8-mips64-public > langtools / file revision

src/share/classes/com/sun/tools/javap/AttributeWriter.java@4868a36f6fd8

src/share/classes/com/sun/tools/javap/AttributeWriter.java