jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javap/AttributeWriter.java@959103a6100f

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http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

     1 /*

     2  * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

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

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

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

    10  *

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

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

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

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

    15  * accompanied this code).

    16  *

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

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

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

    20  *

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

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

    23  * questions.

    24  */

    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.BootstrapMethods_attribute;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    65 import com.sun.tools.javac.util.StringUtils;

    67 /*

    68  *  A writer for writing Attributes as text.

    69  *

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

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

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

    73  *  deletion without notice.</b>

    74  */

    75 public class AttributeWriter extends BasicWriter

    76         implements Attribute.Visitor<Void,Void>

    77 {

    78     public static AttributeWriter instance(Context context) {

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

    80         if (instance == null)

    81             instance = new AttributeWriter(context);

    82         return instance;

    83     }

    85     protected AttributeWriter(Context context) {

    86         super(context);

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

    88         annotationWriter = AnnotationWriter.instance(context);

    89         codeWriter = CodeWriter.instance(context);

    90         constantWriter = ConstantWriter.instance(context);

    91         options = Options.instance(context);

    92     }

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

    95         if (attr != null) {

    96             // null checks

    97             owner.getClass();

    98             constant_pool.getClass();

    99             this.constant_pool = constant_pool;

   100             this.owner = owner;

   101             attr.accept(this, null);

   102         }

   103     }

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

   106         if (attrs != null) {

   107             // null checks

   108             owner.getClass();

   109             constant_pool.getClass();

   110             this.constant_pool = constant_pool;

   111             this.owner = owner;

   112             for (Attribute attr: attrs)

   113                 attr.accept(this, null);

   114         }

   115     }

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

   118         if (attr.reason != null) {

   119             report(attr.reason);

   120         }

   121         byte[] data = attr.info;

   122         int i = 0;

   123         int j = 0;

   124         print("  ");

   125         try {

   126             print(attr.getName(constant_pool));

   127         } catch (ConstantPoolException e) {

   128             report(e);

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

   130         }

   131         print(": ");

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

   134         print("   ");

   136         while (i < data.length) {

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

   139             j++;

   140             if (j == 16) {

   141                 println();

   142                 print("   ");

   143                 j = 0;

   144             } else {

   145                 print(" ");

   146             }

   147             i++;

   148         }

   149         println();

   150         return null;

   151     }

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

   154         println("AnnotationDefault:");

   155         indent(+1);

   156         print("default_value: ");

   157         annotationWriter.write(attr.default_value);

   158         indent(-1);

   159         return null;

   160     }

   162     public Void visitBootstrapMethods(BootstrapMethods_attribute attr, Void p) {

   163         println(Attribute.BootstrapMethods + ":");

   164         for (int i = 0; i < attr.bootstrap_method_specifiers.length ; i++) {

   165             BootstrapMethods_attribute.BootstrapMethodSpecifier bsm = attr.bootstrap_method_specifiers[i];

   166             indent(+1);

   167             print(i + ": #" + bsm.bootstrap_method_ref + " ");

   168             println(constantWriter.stringValue(bsm.bootstrap_method_ref));

   169             indent(+1);

   170             println("Method arguments:");

   171             indent(+1);

   172             for (int j = 0; j < bsm.bootstrap_arguments.length; j++) {

   173                 print("#" + bsm.bootstrap_arguments[j] + " ");

   174                 println(constantWriter.stringValue(bsm.bootstrap_arguments[j]));

   175             }

   176             indent(-3);

   177         }

   178         return null;

   179     }

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

   182         println("CharacterRangeTable:");

   183         indent(+1);

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

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

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

   187                     e.start_pc, e.end_pc,

   188                     e.character_range_start, e.character_range_end,

   189                     e.flags));

   190             tab();

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

   192                     e.start_pc, e.end_pc,

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

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

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

   196                 print(", statement");

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

   198                 print(", block");

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

   200                 print(", assignment");

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

   202                 print(", flow-controller");

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

   204                 print(", flow-target");

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

   206                 print(", invoke");

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

   208                 print(", create");

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

   210                 print(", branch-true");

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

   212                 print(", branch-false");

   213             println();

   214         }

   215         indent(-1);

   216         return null;

   217     }

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

   220         codeWriter.write(attr, constant_pool);

   221         return null;

   222     }

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

   225         constantWriter.write(attr.compilationID_index);

   226         return null;

   227     }

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

   230         print("ConstantValue: ");

   231         constantWriter.write(attr.constantvalue_index);

   232         println();

   233         return null;

   234     }

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

   237         println("Deprecated: true");

   238         return null;

   239     }

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

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

   243         tab();

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

   245         if (attr.method_index != 0)

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

   247         println();

   248         return null;

   249     }

   251     private String getJavaClassName(EnclosingMethod_attribute a) {

   252         try {

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

   254         } catch (ConstantPoolException e) {

   255             return report(e);

   256         }

   257     }

   259     private String getMethodName(EnclosingMethod_attribute a) {

   260         try {

   261             return a.getMethodName(constant_pool);

   262         } catch (ConstantPoolException e) {

   263             return report(e);

   264         }

   265     }

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

   268         println("Exceptions:");

   269         indent(+1);

   270         print("throws ");

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

   272             if (i > 0)

   273                 print(", ");

   274             print(getJavaException(attr, i));

   275         }

   276         println();

   277         indent(-1);

   278         return null;

   279     }

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

   282         try {

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

   284         } catch (ConstantPoolException e) {

   285             return report(e);

   286         }

   287     }

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

   290         boolean first = true;

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

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

   293             //access

   294             AccessFlags access_flags = info.inner_class_access_flags;

   295             if (options.checkAccess(access_flags)) {

   296                 if (first) {

   297                     writeInnerClassHeader();

   298                     first = false;

   299                 }

   300                 print("   ");

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

   302                     print(name + " ");

   303                 if (info.inner_name_index!=0) {

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

   305                 }

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

   307                 if (info.outer_class_info_index != 0) {

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

   309                 }

   310                 print("; //");

   311                 if (info.inner_name_index != 0) {

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

   313                 }

   314                 constantWriter.write(info.inner_class_info_index);

   315                 if (info.outer_class_info_index != 0) {

   316                     print(" of ");

   317                     constantWriter.write(info.outer_class_info_index);

   318                 }

   319                 println();

   320             }

   321         }

   322         if (!first)

   323             indent(-1);

   324         return null;

   325     }

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

   328         try {

   329             return info.getInnerName(constant_pool);

   330         } catch (ConstantPoolException e) {

   331             return report(e);

   332         }

   333     }

   335     private void writeInnerClassHeader() {

   336         println("InnerClasses:");

   337         indent(+1);

   338     }

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

   341         println("LineNumberTable:");

   342         indent(+1);

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

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

   345         }

   346         indent(-1);

   347         return null;

   348     }

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

   351         println("LocalVariableTable:");

   352         indent(+1);

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

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

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

   356                     entry.start_pc, entry.length, entry.index,

   357                     constantWriter.stringValue(entry.name_index),

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

   359         }

   360         indent(-1);

   361         return null;

   362     }

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

   365         println("LocalVariableTypeTable:");

   366         indent(+1);

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

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

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

   370                     entry.start_pc, entry.length, entry.index,

   371                     constantWriter.stringValue(entry.name_index),

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

   373         }

   374         indent(-1);

   375         return null;

   376     }

   378     private static final String format = "%-31s%s";

   380     public Void visitMethodParameters(MethodParameters_attribute attr,

   381                                       Void ignore) {

   383         final String header = String.format(format, "Name", "Flags");

   384         println("MethodParameters:");

   385         indent(+1);

   386         println(header);

   387         for (MethodParameters_attribute.Entry entry :

   388                  attr.method_parameter_table) {

   389             String namestr =

   390                 entry.name_index != 0 ?

   391                 constantWriter.stringValue(entry.name_index) : "<no name>";

   392             String flagstr =

   393                 (0 != (entry.flags & ACC_FINAL) ? "final " : "") +

   394                 (0 != (entry.flags & ACC_MANDATED) ? "mandated " : "") +

   395                 (0 != (entry.flags & ACC_SYNTHETIC) ? "synthetic" : "");

   396             println(String.format(format, namestr, flagstr));

   397         }

   398         indent(-1);

   399         return null;

   400     }

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

   403         println("RuntimeVisibleAnnotations:");

   404         indent(+1);

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

   406             print(i + ": ");

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

   408             println();

   409         }

   410         indent(-1);

   411         return null;

   412     }

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

   415         println("RuntimeInvisibleAnnotations:");

   416         indent(+1);

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

   418             print(i + ": ");

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

   420             println();

   421         }

   422         indent(-1);

   423         return null;

   424     }

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

   427         println("RuntimeVisibleTypeAnnotations:");

   428         indent(+1);

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

   430             print(i + ": ");

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

   432             println();

   433         }

   434         indent(-1);

   435         return null;

   436     }

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

   439         println("RuntimeInvisibleTypeAnnotations:");

   440         indent(+1);

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

   442             print(i + ": ");

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

   444             println();

   445         }

   446         indent(-1);

   447         return null;

   448     }

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

   451         println("RuntimeVisibleParameterAnnotations:");

   452         indent(+1);

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

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

   455             indent(+1);

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

   457                 print(i + ": ");

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

   459                 println();

   460             }

   461             indent(-1);

   462         }

   463         indent(-1);

   464         return null;

   465     }

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

   468         println("RuntimeInvisibleParameterAnnotations:");

   469         indent(+1);

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

   471             println(param + ": ");

   472             indent(+1);

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

   474                 print(i + ": ");

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

   476                 println();

   477             }

   478             indent(-1);

   479         }

   480         indent(-1);

   481         return null;

   482     }

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

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

   486         tab();

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

   488         return null;

   489     }

   491     String getSignature(Signature_attribute info) {

   492         try {

   493             return info.getSignature(constant_pool);

   494         } catch (ConstantPoolException e) {

   495             return report(e);

   496         }

   497     }

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

   500         println("SourceDebugExtension:");

   501         indent(+1);

   502         for (String s: attr.getValue().split("[\r\n]+")) {

   503             println(s);

   504         }

   505         indent(-1);

   506         return null;

   507     }

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

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

   511         return null;

   512     }

   514     private String getSourceFile(SourceFile_attribute attr) {

   515         try {

   516             return attr.getSourceFile(constant_pool);

   517         } catch (ConstantPoolException e) {

   518             return report(e);

   519         }

   520     }

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

   523         constantWriter.write(attr.sourceID_index);

   524         return null;

   525     }

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

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

   529         indent(+1);

   530         StackMapTableWriter w = new StackMapTableWriter();

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

   532             w.write(entry);

   533         }

   534         indent(-1);

   535         return null;

   536     }

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

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

   540         indent(+1);

   541         StackMapTableWriter w = new StackMapTableWriter();

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

   543             w.write(entry);

   544         }

   545         indent(-1);

   546         return null;

   547     }

   549     class StackMapTableWriter // also handles CLDC StackMap attributes

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

   551         public void write(StackMapTable_attribute.stack_map_frame frame) {

   552             frame.accept(this, null);

   553         }

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

   556             printHeader(frame, "/* same */");

   557             return null;

   558         }

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

   561             printHeader(frame, "/* same_locals_1_stack_item */");

   562             indent(+1);

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

   564             indent(-1);

   565             return null;

   566         }

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

   569             printHeader(frame, "/* same_locals_1_stack_item_frame_extended */");

   570             indent(+1);

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

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

   573             indent(-1);

   574             return null;

   575         }

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

   578             printHeader(frame, "/* chop */");

   579             indent(+1);

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

   581             indent(-1);

   582             return null;

   583         }

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

   586             printHeader(frame, "/* same_frame_extended */");

   587             indent(+1);

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

   589             indent(-1);

   590             return null;

   591         }

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

   594             printHeader(frame, "/* append */");

   595             indent(+1);

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

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

   598             indent(-1);

   599             return null;

   600         }

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

   603             if (frame instanceof StackMap_attribute.stack_map_frame) {

   604                 printHeader(frame, "offset = " + frame.offset_delta);

   605                 indent(+1);

   606             } else {

   607                 printHeader(frame, "/* full_frame */");

   608                 indent(+1);

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

   610             }

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

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

   613             indent(-1);

   614             return null;

   615         }

   617         void printHeader(StackMapTable_attribute.stack_map_frame frame, String extra) {

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

   619             println(extra);

   620         }

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

   623             print(name + " = [");

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

   625                 StackMapTable_attribute.verification_type_info info = map[i];

   626                 int tag = info.tag;

   627                 switch (tag) {

   628                     case StackMapTable_attribute.verification_type_info.ITEM_Object:

   629                         print(" ");

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

   631                         break;

   632                     case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized:

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

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

   635                         break;

   636                     default:

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

   638                 }

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

   640             }

   641             println("]");

   642         }

   644         String mapTypeName(int tag) {

   645             switch (tag) {

   646             case StackMapTable_attribute.verification_type_info.ITEM_Top:

   647                 return "top";

   649             case StackMapTable_attribute.verification_type_info.ITEM_Integer:

   650                 return "int";

   652             case StackMapTable_attribute.verification_type_info.ITEM_Float:

   653                 return "float";

   655             case StackMapTable_attribute.verification_type_info.ITEM_Long:

   656                 return "long";

   658             case StackMapTable_attribute.verification_type_info.ITEM_Double:

   659                 return "double";

   661             case StackMapTable_attribute.verification_type_info.ITEM_Null:

   662                 return "null";

   664             case StackMapTable_attribute.verification_type_info.ITEM_UninitializedThis:

   665                 return "this";

   667             case StackMapTable_attribute.verification_type_info.ITEM_Object:

   668                 return "CP";

   670             case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized:

   671                 return "uninitialized";

   673             default:

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

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

   676             }

   677         }

   678     }

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

   681         println("Synthetic: true");

   682         return null;

   683     }

   685     static String getJavaName(String name) {

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

   687     }

   689     String toHex(byte b, int w) {

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

   691     }

   693     static String toHex(int i) {

   694         return StringUtils.toUpperCase(Integer.toString(i, 16));

   695     }

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

   698         String s = StringUtils.toUpperCase(Integer.toHexString(i));

   699         while (s.length() < w)

   700             s = "0" + s;

   701         return StringUtils.toUpperCase(s);

   702     }

   704     private AnnotationWriter annotationWriter;

   705     private CodeWriter codeWriter;

   706     private ConstantWriter constantWriter;

   707     private Options options;

   709     private ConstantPool constant_pool;

   710     private Object owner;

   711 }

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

src/share/classes/com/sun/tools/javap/AttributeWriter.java@959103a6100f

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