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

changeset 46
7708bd6d800d
child 52
3cb4fb6e0720
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/classes/com/sun/tools/javap/AttributeWriter.java	Tue Jun 03 13:26:47 2008 -0700
     1.3 @@ -0,0 +1,679 @@
     1.4 +/*
     1.5 + * Copyright 2007 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Sun designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Sun in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.25 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.26 + * have any questions.
    1.27 + */
    1.28 +
    1.29 +package com.sun.tools.javap;
    1.30 +
    1.31 +import java.util.Formatter;
    1.32 +
    1.33 +import com.sun.tools.classfile.AccessFlags;
    1.34 +import com.sun.tools.classfile.AnnotationDefault_attribute;
    1.35 +import com.sun.tools.classfile.Attribute;
    1.36 +import com.sun.tools.classfile.Attributes;
    1.37 +import com.sun.tools.classfile.CharacterRangeTable_attribute;
    1.38 +import com.sun.tools.classfile.Code_attribute;
    1.39 +import com.sun.tools.classfile.CompilationID_attribute;
    1.40 +import com.sun.tools.classfile.ConstantPool;
    1.41 +import com.sun.tools.classfile.ConstantPoolException;
    1.42 +import com.sun.tools.classfile.ConstantValue_attribute;
    1.43 +import com.sun.tools.classfile.DefaultAttribute;
    1.44 +import com.sun.tools.classfile.Deprecated_attribute;
    1.45 +import com.sun.tools.classfile.EnclosingMethod_attribute;
    1.46 +import com.sun.tools.classfile.Exceptions_attribute;
    1.47 +import com.sun.tools.classfile.Field;
    1.48 +import com.sun.tools.classfile.InnerClasses_attribute;
    1.49 +import com.sun.tools.classfile.LineNumberTable_attribute;
    1.50 +import com.sun.tools.classfile.LocalVariableTable_attribute;
    1.51 +import com.sun.tools.classfile.LocalVariableTypeTable_attribute;
    1.52 +import com.sun.tools.classfile.ModuleExportTable_attribute;
    1.53 +import com.sun.tools.classfile.ModuleMemberTable_attribute;
    1.54 +import com.sun.tools.classfile.Module_attribute;
    1.55 +import com.sun.tools.classfile.RuntimeInvisibleAnnotations_attribute;
    1.56 +import com.sun.tools.classfile.RuntimeInvisibleParameterAnnotations_attribute;
    1.57 +import com.sun.tools.classfile.RuntimeVisibleAnnotations_attribute;
    1.58 +import com.sun.tools.classfile.RuntimeVisibleParameterAnnotations_attribute;
    1.59 +import com.sun.tools.classfile.Signature_attribute;
    1.60 +import com.sun.tools.classfile.SourceDebugExtension_attribute;
    1.61 +import com.sun.tools.classfile.SourceFile_attribute;
    1.62 +import com.sun.tools.classfile.SourceID_attribute;
    1.63 +import com.sun.tools.classfile.StackMapTable_attribute;
    1.64 +import com.sun.tools.classfile.StackMap_attribute;
    1.65 +import com.sun.tools.classfile.Synthetic_attribute;
    1.66 +
    1.67 +import static com.sun.tools.classfile.AccessFlags.*;
    1.68 +
    1.69 +/*
    1.70 + *  A writer for writing Attributes as text.
    1.71 + *
    1.72 + *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
    1.73 + *  you write code that depends on this, you do so at your own risk.
    1.74 + *  This code and its internal interfaces are subject to change or
    1.75 + *  deletion without notice.</b>
    1.76 + */
    1.77 +public class AttributeWriter extends BasicWriter
    1.78 +        implements Attribute.Visitor<Void,Void>
    1.79 +{
    1.80 +    static AttributeWriter instance(Context context) {
    1.81 +        AttributeWriter instance = context.get(AttributeWriter.class);
    1.82 +        if (instance == null)
    1.83 +            instance = new AttributeWriter(context);
    1.84 +        return instance;
    1.85 +    }
    1.86 +
    1.87 +    protected AttributeWriter(Context context) {
    1.88 +        super(context);
    1.89 +        context.put(AttributeWriter.class, this);
    1.90 +        annotationWriter = AnnotationWriter.instance(context);
    1.91 +        codeWriter = CodeWriter.instance(context);
    1.92 +        constantWriter = ConstantWriter.instance(context);
    1.93 +        options = Options.instance(context);
    1.94 +    }
    1.95 +
    1.96 +    public void write(Object owner, Attribute attr, ConstantPool constant_pool) {
    1.97 +        if (attr != null) {
    1.98 +            // null checks
    1.99 +            owner.getClass();
   1.100 +            constant_pool.getClass();
   1.101 +            this.constant_pool = constant_pool;
   1.102 +            this.owner = owner;
   1.103 +            attr.accept(this, null);
   1.104 +        }
   1.105 +    }
   1.106 +
   1.107 +    public void write(Object owner, Attributes attrs, ConstantPool constant_pool) {
   1.108 +        if (attrs != null) {
   1.109 +            // null checks
   1.110 +            owner.getClass();
   1.111 +            constant_pool.getClass();
   1.112 +            this.constant_pool = constant_pool;
   1.113 +            this.owner = owner;
   1.114 +            for (Attribute attr: attrs)
   1.115 +                attr.accept(this, null);
   1.116 +        }
   1.117 +    }
   1.118 +
   1.119 +    public Void visitDefault(DefaultAttribute attr, Void ignore) {
   1.120 +        byte[] data = attr.info;
   1.121 +        int i = 0;
   1.122 +        int j = 0;
   1.123 +        print("  ");
   1.124 +        try {
   1.125 +            print(attr.getName(constant_pool));
   1.126 +        } catch (ConstantPoolException e) {
   1.127 +            report(e);
   1.128 +            print("attribute name = #" + attr.attribute_name_index);
   1.129 +        }
   1.130 +        print(": ");
   1.131 +        println("length = 0x" + toHex(attr.info.length));
   1.132 +
   1.133 +        print("   ");
   1.134 +
   1.135 +        while (i < data.length) {
   1.136 +            print(toHex(data[i], 2));
   1.137 +
   1.138 +            j++;
   1.139 +            if (j == 16) {
   1.140 +                println();
   1.141 +                print("   ");
   1.142 +                j = 0;
   1.143 +            } else {
   1.144 +                print(" ");
   1.145 +            }
   1.146 +            i++;
   1.147 +        }
   1.148 +        println();
   1.149 +        return null;
   1.150 +    }
   1.151 +
   1.152 +    public Void visitAnnotationDefault(AnnotationDefault_attribute attr, Void ignore) {
   1.153 +        println("  AnnotationDefault: ");
   1.154 +        print("    default_value: ");
   1.155 +        annotationWriter.write(attr.default_value);
   1.156 +        return null;
   1.157 +    }
   1.158 +
   1.159 +    public Void visitCharacterRangeTable(CharacterRangeTable_attribute attr, Void ignore) {
   1.160 +        print("  CharacterRangeTable: ");
   1.161 +        for (int i = 0; i < attr.character_range_table.length; i++) {
   1.162 +            CharacterRangeTable_attribute.Entry e = attr.character_range_table[i];
   1.163 +            print("    " + e.start_pc + ", " +
   1.164 +                    e.end_pc + ", " +
   1.165 +                    Integer.toHexString(e.character_range_start) + ", " +
   1.166 +                    Integer.toHexString(e.character_range_end) + ", " +
   1.167 +                    Integer.toHexString(e.flags) +
   1.168 +                    "\t// ");
   1.169 +            print(e.start_pc + ", " +
   1.170 +                    e.end_pc + ", " +
   1.171 +                    (e.character_range_start >> 10) + ":" + (e.character_range_start & 0x3ff) + ", " +
   1.172 +                    (e.character_range_end >> 10) + ":" + (e.character_range_end & 0x3ff));
   1.173 +            if ((e.flags & CharacterRangeTable_attribute.CRT_STATEMENT) != 0)
   1.174 +                print(", statement");
   1.175 +            if ((e.flags & CharacterRangeTable_attribute.CRT_BLOCK) != 0)
   1.176 +                print(", block");
   1.177 +            if ((e.flags & CharacterRangeTable_attribute.CRT_ASSIGNMENT) != 0)
   1.178 +                print(", assignment");
   1.179 +            if ((e.flags & CharacterRangeTable_attribute.CRT_FLOW_CONTROLLER) != 0)
   1.180 +                print(", flow-controller");
   1.181 +            if ((e.flags & CharacterRangeTable_attribute.CRT_FLOW_TARGET) != 0)
   1.182 +                print(", flow-target");
   1.183 +            if ((e.flags & CharacterRangeTable_attribute.CRT_INVOKE) != 0)
   1.184 +                print(", invoke");
   1.185 +            if ((e.flags & CharacterRangeTable_attribute.CRT_CREATE) != 0)
   1.186 +                print(", create");
   1.187 +            if ((e.flags & CharacterRangeTable_attribute.CRT_BRANCH_TRUE) != 0)
   1.188 +                print(", branch-true");
   1.189 +            if ((e.flags & CharacterRangeTable_attribute.CRT_BRANCH_FALSE) != 0)
   1.190 +                print(", branch-false");
   1.191 +
   1.192 +
   1.193 +
   1.194 +        }
   1.195 +        return null;
   1.196 +    }
   1.197 +
   1.198 +    public Void visitCode(Code_attribute attr, Void ignore) {
   1.199 +        codeWriter.write(attr, constant_pool);
   1.200 +        println();
   1.201 +        return null;
   1.202 +    }
   1.203 +
   1.204 +    public Void visitCompilationID(CompilationID_attribute attr, Void ignore) {
   1.205 +        constantWriter.write(attr.compilationID_index);
   1.206 +        return null;
   1.207 +    }
   1.208 +
   1.209 +    public Void visitConstantValue(ConstantValue_attribute attr, Void ignore) {
   1.210 +        if (options.compat) // BUG 6622216 javap names some attributes incorrectly
   1.211 +            print("  Constant value: ");
   1.212 +        else
   1.213 +            print("  ConstantValue: ");
   1.214 +        constantWriter.write(attr.constantvalue_index);
   1.215 +        if (!options.compat) // BUG 6622232 javap gets whitespace confused
   1.216 +            println();
   1.217 +        return null;
   1.218 +    }
   1.219 +
   1.220 +    public Void visitDeprecated(Deprecated_attribute attr, Void ignore) {
   1.221 +        if (!(options.compat && owner instanceof Field)) // BUG 6622232 javap gets whitespace confused
   1.222 +            print("  ");
   1.223 +        println("Deprecated: true");
   1.224 +        return null;
   1.225 +    }
   1.226 +
   1.227 +    public Void visitEnclosingMethod(EnclosingMethod_attribute attr, Void ignore) {
   1.228 +        print("  EnclosingMethod: #" + attr.class_index + ".#" + attr.method_index
   1.229 +                + "\t// " + getJavaClassName(attr));
   1.230 +        if (attr.method_index != 0)
   1.231 +            print("." + getMethodName(attr));
   1.232 +        println();
   1.233 +        return null;
   1.234 +    }
   1.235 +
   1.236 +    private String getJavaClassName(EnclosingMethod_attribute a) {
   1.237 +        try {
   1.238 +            return getJavaName(a.getClassName(constant_pool));
   1.239 +        } catch (ConstantPoolException e) {
   1.240 +            return report(e);
   1.241 +        }
   1.242 +    }
   1.243 +
   1.244 +    private String getMethodName(EnclosingMethod_attribute a) {
   1.245 +        try {
   1.246 +            return a.getMethodName(constant_pool);
   1.247 +        } catch (ConstantPoolException e) {
   1.248 +            return report(e);
   1.249 +        }
   1.250 +    }
   1.251 +
   1.252 +    public Void visitExceptions(Exceptions_attribute attr, Void ignore) {
   1.253 +        println("  Exceptions: ");
   1.254 +        print("   throws ");
   1.255 +        for (int i = 0; i < attr.number_of_exceptions; i++) {
   1.256 +            if (i > 0)
   1.257 +                print(", ");
   1.258 +            print(getJavaException(attr, i));
   1.259 +        }
   1.260 +        if (!options.compat) // BUG 6622232 javap gets whitespace confused
   1.261 +            println();
   1.262 +        return null;
   1.263 +    }
   1.264 +
   1.265 +    String getJavaException(Exceptions_attribute attr, int index) {
   1.266 +        try {
   1.267 +            return getJavaName(attr.getException(index, constant_pool));
   1.268 +        } catch (ConstantPoolException e) {
   1.269 +            return report(e);
   1.270 +        }
   1.271 +    }
   1.272 +
   1.273 +    public Void visitInnerClasses(InnerClasses_attribute attr, Void ignore) {
   1.274 +        boolean first = true;
   1.275 +        if (options.compat) {
   1.276 +            writeInnerClassHeader();
   1.277 +            first = false;
   1.278 +        }
   1.279 +        for (int i = 0 ; i < attr.classes.length; i++) {
   1.280 +            InnerClasses_attribute.Info info = attr.classes[i];
   1.281 +            //access
   1.282 +            AccessFlags access_flags = info.inner_class_access_flags;
   1.283 +            if (options.compat) {
   1.284 +                // BUG 6622215: javap ignores certain relevant access flags
   1.285 +                access_flags = access_flags.ignore(ACC_STATIC | ACC_PROTECTED | ACC_PRIVATE | ACC_INTERFACE | ACC_SYNTHETIC | ACC_ENUM);
   1.286 +                // BUG 6622232: javap gets whitespace confused
   1.287 +                print("   ");
   1.288 +            }
   1.289 +            if (options.checkAccess(access_flags)) {
   1.290 +                if (first) {
   1.291 +                    writeInnerClassHeader();
   1.292 +                    first = false;
   1.293 +                }
   1.294 +                if (!options.compat) // BUG 6622232: javap gets whitespace confused
   1.295 +                    print("   ");
   1.296 +                for (String name: access_flags.getInnerClassModifiers())
   1.297 +                    print(name + " ");
   1.298 +                if (info.inner_name_index!=0) {
   1.299 +                    print("#" + info.inner_name_index + "= ");
   1.300 +                }
   1.301 +                print("#" + info.inner_class_info_index);
   1.302 +                if (info.outer_class_info_index != 0) {
   1.303 +                    print(" of #" + info.outer_class_info_index);
   1.304 +                }
   1.305 +                print("; //");
   1.306 +                if (info.inner_name_index != 0) {
   1.307 +                    print(getInnerName(constant_pool, info) + "=");
   1.308 +                }
   1.309 +                constantWriter.write(info.inner_class_info_index);
   1.310 +                if (info.outer_class_info_index != 0) {
   1.311 +                    print(" of ");
   1.312 +                    constantWriter.write(info.outer_class_info_index);
   1.313 +                }
   1.314 +                println();
   1.315 +            }
   1.316 +        }
   1.317 +        return null;
   1.318 +    }
   1.319 +
   1.320 +    String getInnerName(ConstantPool constant_pool, InnerClasses_attribute.Info info) {
   1.321 +        try {
   1.322 +            return info.getInnerName(constant_pool);
   1.323 +        } catch (ConstantPoolException e) {
   1.324 +            return report(e);
   1.325 +        }
   1.326 +    }
   1.327 +
   1.328 +    private void writeInnerClassHeader() {
   1.329 +        print("  ");
   1.330 +        if (options.compat) // BUG 6622216: javap names some attributes incorrectly
   1.331 +            print("InnerClass");
   1.332 +        else
   1.333 +            print("InnerClasses");
   1.334 +        println(": ");
   1.335 +    }
   1.336 +
   1.337 +    public Void visitLineNumberTable(LineNumberTable_attribute attr, Void ignore) {
   1.338 +        println("  LineNumberTable: ");
   1.339 +        for (LineNumberTable_attribute.Entry entry: attr.line_number_table) {
   1.340 +            println("   line " + entry.line_number + ": " + entry.start_pc);
   1.341 +        }
   1.342 +        return null;
   1.343 +    }
   1.344 +
   1.345 +    public Void visitLocalVariableTable(LocalVariableTable_attribute attr, Void ignore) {
   1.346 +        println("  LocalVariableTable: ");
   1.347 +        println("   Start  Length  Slot  Name   Signature");
   1.348 +
   1.349 +        for (LocalVariableTable_attribute.Entry entry : attr.local_variable_table) {
   1.350 +            Formatter formatter = new Formatter();
   1.351 +            println(formatter.format("%8d %7d %5d %5s   %s",
   1.352 +                    entry.start_pc, entry.length, entry.index,
   1.353 +                    constantWriter.stringValue(entry.name_index),
   1.354 +                    constantWriter.stringValue(entry.descriptor_index)));
   1.355 +        }
   1.356 +        return null;
   1.357 +    }
   1.358 +
   1.359 +    public Void visitLocalVariableTypeTable(LocalVariableTypeTable_attribute attr, Void ignore) {
   1.360 +        println("  LocalVariableTypeTable: ");
   1.361 +        println("   Start  Length  Slot  Name   Signature");
   1.362 +
   1.363 +        for (LocalVariableTypeTable_attribute.Entry entry : attr.local_variable_table) {
   1.364 +            Formatter formatter = new Formatter();
   1.365 +            println(formatter.format("%8d %7d %5d %5s   %s",
   1.366 +                    entry.start_pc, entry.length, entry.index,
   1.367 +                    constantWriter.stringValue(entry.name_index),
   1.368 +                    constantWriter.stringValue(entry.signature_index)));
   1.369 +        }
   1.370 +        return null;
   1.371 +    }
   1.372 +
   1.373 +    public Void visitModule(Module_attribute attr, Void ignore) {
   1.374 +        println("  Module: #" + attr.module_name + "\t// " + getModuleName(attr));
   1.375 +        return null;
   1.376 +    }
   1.377 +
   1.378 +    String getModuleName(Module_attribute attr) {
   1.379 +        try {
   1.380 +            return attr.getModuleName(constant_pool);
   1.381 +        } catch (ConstantPoolException e) {
   1.382 +            return report(e);
   1.383 +        }
   1.384 +    }
   1.385 +
   1.386 +    public Void visitModuleExportTable(ModuleExportTable_attribute attr, Void ignore) {
   1.387 +        println("  ModuleExportTable:");
   1.388 +        println("    Types: (" + attr.export_type_table.length + ")");
   1.389 +        for (int i = 0; i < attr.export_type_table.length; i++) {
   1.390 +            println("      #" + attr.export_type_table[i] + "\t// " + getExportTypeName(attr, i));
   1.391 +        }
   1.392 +        return null;
   1.393 +    }
   1.394 +
   1.395 +    String getExportTypeName(ModuleExportTable_attribute attr, int index) {
   1.396 +        try {
   1.397 +            return attr.getExportTypeName(index, constant_pool);
   1.398 +        } catch (ConstantPoolException e) {
   1.399 +            return report(e);
   1.400 +        }
   1.401 +    }
   1.402 +
   1.403 +    public Void visitModuleMemberTable(ModuleMemberTable_attribute attr, Void ignore) {
   1.404 +        println("  ModuleMemberTable:");
   1.405 +        println("    Packages: (" + attr.package_member_table.length + ")");
   1.406 +        for (int i = 0; i < attr.package_member_table.length; i++) {
   1.407 +            println("      #" + attr.package_member_table[i] + "\t// " + getPackageMemberName(attr, i));
   1.408 +        }
   1.409 +        return null;
   1.410 +    }
   1.411 +
   1.412 +    String getPackageMemberName(ModuleMemberTable_attribute attr, int index) {
   1.413 +        try {
   1.414 +            return attr.getPackageMemberName(index, constant_pool);
   1.415 +        } catch (ConstantPoolException e) {
   1.416 +            return report(e);
   1.417 +        }
   1.418 +    }
   1.419 +
   1.420 +    public Void visitRuntimeVisibleAnnotations(RuntimeVisibleAnnotations_attribute attr, Void ignore) {
   1.421 +        println("  RuntimeVisibleAnnotations: ");
   1.422 +        for (int i = 0; i < attr.annotations.length; i++) {
   1.423 +            print("    " + i + ": ");
   1.424 +            annotationWriter.write(attr.annotations[i]);
   1.425 +            println();
   1.426 +        }
   1.427 +        return null;
   1.428 +    }
   1.429 +
   1.430 +    public Void visitRuntimeInvisibleAnnotations(RuntimeInvisibleAnnotations_attribute attr, Void ignore) {
   1.431 +        println("  RuntimeInvisibleAnnotations: ");
   1.432 +        for (int i = 0; i < attr.annotations.length; i++) {
   1.433 +            print("    " + i + ": ");
   1.434 +            annotationWriter.write(attr.annotations[i]);
   1.435 +            println();
   1.436 +        }
   1.437 +        return null;
   1.438 +    }
   1.439 +
   1.440 +    public Void visitRuntimeVisibleParameterAnnotations(RuntimeVisibleParameterAnnotations_attribute attr, Void ignore) {
   1.441 +        println("  RuntimeVisibleParameterAnnotations: ");
   1.442 +        for (int param = 0; param < attr.parameter_annotations.length; param++) {
   1.443 +            println("    parameter " + param + ": ");
   1.444 +            for (int i = 0; i < attr.parameter_annotations[param].length; i++) {
   1.445 +                print("    " + i + ": ");
   1.446 +                annotationWriter.write(attr.parameter_annotations[param][i]);
   1.447 +                println();
   1.448 +            }
   1.449 +        }
   1.450 +        return null;
   1.451 +    }
   1.452 +
   1.453 +    public Void visitRuntimeInvisibleParameterAnnotations(RuntimeInvisibleParameterAnnotations_attribute attr, Void ignore) {
   1.454 +        println("  RuntimeInvisibleParameterAnnotations: ");
   1.455 +        for (int param = 0; param < attr.parameter_annotations.length; param++) {
   1.456 +            println("    " + param + ": ");
   1.457 +            for (int i = 0; i < attr.parameter_annotations[param].length; i++) {
   1.458 +                print("    " + i + ": ");
   1.459 +                annotationWriter.write(attr.parameter_annotations[param][i]);
   1.460 +                println();
   1.461 +            }
   1.462 +        }
   1.463 +        return null;
   1.464 +    }
   1.465 +
   1.466 +    public Void visitSignature(Signature_attribute attr, Void ignore) {
   1.467 +        println("  Signature: #" + attr.signature_index + "\t// " + getSignature(attr));
   1.468 +        return null;
   1.469 +    }
   1.470 +
   1.471 +    String getSignature(Signature_attribute info) {
   1.472 +        try {
   1.473 +            return info.getSignature(constant_pool);
   1.474 +        } catch (ConstantPoolException e) {
   1.475 +            return report(e);
   1.476 +        }
   1.477 +    }
   1.478 +
   1.479 +    public Void visitSourceDebugExtension(SourceDebugExtension_attribute attr, Void ignore) {
   1.480 +        println("  SourceDebugExtension: " + attr.getValue());
   1.481 +        return null;
   1.482 +    }
   1.483 +
   1.484 +    public Void visitSourceFile(SourceFile_attribute attr, Void ignore) {
   1.485 +        println("  SourceFile: \"" + getSourceFile(attr) + "\"");
   1.486 +        return null;
   1.487 +    }
   1.488 +
   1.489 +    private String getSourceFile(SourceFile_attribute attr) {
   1.490 +        try {
   1.491 +            return attr.getSourceFile(constant_pool);
   1.492 +        } catch (ConstantPoolException e) {
   1.493 +            return report(e);
   1.494 +        }
   1.495 +    }
   1.496 +
   1.497 +    public Void visitSourceID(SourceID_attribute attr, Void ignore) {
   1.498 +        constantWriter.write(attr.sourceID_index);
   1.499 +        return null;
   1.500 +    }
   1.501 +
   1.502 +    public Void visitStackMap(StackMap_attribute attr, Void ignore) {
   1.503 +        println("  StackMap: number_of_entries = " + attr.number_of_entries);
   1.504 +
   1.505 +        StackMapTableWriter w = new StackMapTableWriter();
   1.506 +        for (StackMapTable_attribute.stack_map_frame entry : attr.entries) {
   1.507 +            w.write(entry);
   1.508 +        }
   1.509 +        println();
   1.510 +        return null;
   1.511 +    }
   1.512 +
   1.513 +    public Void visitStackMapTable(StackMapTable_attribute attr, Void ignore) {
   1.514 +        println("  StackMapTable: number_of_entries = " + attr.number_of_entries);
   1.515 +
   1.516 +        StackMapTableWriter w = new StackMapTableWriter();
   1.517 +        for (StackMapTable_attribute.stack_map_frame entry : attr.entries) {
   1.518 +            w.write(entry);
   1.519 +        }
   1.520 +        println();
   1.521 +        return null;
   1.522 +    }
   1.523 +
   1.524 +    class StackMapTableWriter // also handles CLDC StackMap attributes
   1.525 +            implements StackMapTable_attribute.stack_map_frame.Visitor<Void,Void> {
   1.526 +        public void write(StackMapTable_attribute.stack_map_frame frame) {
   1.527 +            frame.accept(this, null);
   1.528 +        }
   1.529 +
   1.530 +        public Void visit_same_frame(StackMapTable_attribute.same_frame frame, Void p) {
   1.531 +            printHeader(frame);
   1.532 +            println(" /* same */");
   1.533 +            return null;
   1.534 +        }
   1.535 +
   1.536 +        public Void visit_same_locals_1_stack_item_frame(StackMapTable_attribute.same_locals_1_stack_item_frame frame, Void p) {
   1.537 +            printHeader(frame);
   1.538 +            println(" /* same_locals_1_stack_item */");
   1.539 +            printMap("stack", frame.stack);
   1.540 +            return null;
   1.541 +        }
   1.542 +
   1.543 +        public Void visit_same_locals_1_stack_item_frame_extended(StackMapTable_attribute.same_locals_1_stack_item_frame_extended frame, Void p) {
   1.544 +            printHeader(frame);
   1.545 +            println(" /* same_locals_1_stack_item_frame_extended */");
   1.546 +            println("     offset_delta = " + frame.offset_delta);
   1.547 +            printMap("stack", frame.stack);
   1.548 +            return null;
   1.549 +        }
   1.550 +
   1.551 +        public Void visit_chop_frame(StackMapTable_attribute.chop_frame frame, Void p) {
   1.552 +            printHeader(frame);
   1.553 +            println(" /* chop */");
   1.554 +            println("     offset_delta = " + frame.offset_delta);
   1.555 +            return null;
   1.556 +        }
   1.557 +
   1.558 +        public Void visit_same_frame_extended(StackMapTable_attribute.same_frame_extended frame, Void p) {
   1.559 +            printHeader(frame);
   1.560 +            println(" /* same_frame_extended */");
   1.561 +            println("     offset_delta = " + frame.offset_delta);
   1.562 +            return null;
   1.563 +        }
   1.564 +
   1.565 +        public Void visit_append_frame(StackMapTable_attribute.append_frame frame, Void p) {
   1.566 +            printHeader(frame);
   1.567 +            println(" /* append */");
   1.568 +            println("     offset_delta = " + frame.offset_delta);
   1.569 +            printMap("locals", frame.locals);
   1.570 +            return null;
   1.571 +        }
   1.572 +
   1.573 +        public Void visit_full_frame(StackMapTable_attribute.full_frame frame, Void p) {
   1.574 +            printHeader(frame);
   1.575 +            if (frame instanceof StackMap_attribute.stack_map_frame) {
   1.576 +                println("     offset = " + frame.offset_delta);
   1.577 +            } else {
   1.578 +                println(" /* full_frame */");
   1.579 +                println("     offset_delta = " + frame.offset_delta);
   1.580 +            }
   1.581 +            printMap("locals", frame.locals);
   1.582 +            printMap("stack", frame.stack);
   1.583 +            return null;
   1.584 +        }
   1.585 +
   1.586 +        void printHeader(StackMapTable_attribute.stack_map_frame frame) {
   1.587 +            print("   frame_type = " + frame.frame_type);
   1.588 +        }
   1.589 +
   1.590 +        void printMap(String name, StackMapTable_attribute.verification_type_info[] map) {
   1.591 +            print("     " + name + " = [");
   1.592 +            for (int i = 0; i < map.length; i++) {
   1.593 +                StackMapTable_attribute.verification_type_info info = map[i];
   1.594 +                int tag = info.tag;
   1.595 +                switch (tag) {
   1.596 +                    case StackMapTable_attribute.verification_type_info.ITEM_Object:
   1.597 +                        print(" ");
   1.598 +                        constantWriter.write(((StackMapTable_attribute.Object_variable_info) info).cpool_index);
   1.599 +                        break;
   1.600 +                    case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized:
   1.601 +                        print(" " + mapTypeName(tag));
   1.602 +                        print(" " + ((StackMapTable_attribute.Uninitialized_variable_info) info).offset);
   1.603 +                        break;
   1.604 +                    default:
   1.605 +                        print(" " + mapTypeName(tag));
   1.606 +                }
   1.607 +                print(i == (map.length - 1) ? " " : ",");
   1.608 +            }
   1.609 +            println("]");
   1.610 +        }
   1.611 +
   1.612 +        String mapTypeName(int tag) {
   1.613 +            switch (tag) {
   1.614 +            case StackMapTable_attribute.verification_type_info.ITEM_Top:
   1.615 +                return "top";
   1.616 +
   1.617 +            case StackMapTable_attribute.verification_type_info.ITEM_Integer:
   1.618 +                return "int";
   1.619 +
   1.620 +            case StackMapTable_attribute.verification_type_info.ITEM_Float:
   1.621 +                return "float";
   1.622 +
   1.623 +            case StackMapTable_attribute.verification_type_info.ITEM_Long:
   1.624 +                return "long";
   1.625 +
   1.626 +            case StackMapTable_attribute.verification_type_info.ITEM_Double:
   1.627 +                return "double";
   1.628 +
   1.629 +            case StackMapTable_attribute.verification_type_info.ITEM_Null:
   1.630 +                return "null";
   1.631 +
   1.632 +            case StackMapTable_attribute.verification_type_info.ITEM_UninitializedThis:
   1.633 +                return "this";
   1.634 +
   1.635 +            case StackMapTable_attribute.verification_type_info.ITEM_Object:
   1.636 +                return "CP";
   1.637 +
   1.638 +            case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized:
   1.639 +                return "uninitialized";
   1.640 +
   1.641 +            default:
   1.642 +                report("unrecognized verification_type_info tag: " + tag);
   1.643 +                return "[tag:" + tag + "]";
   1.644 +            }
   1.645 +        }
   1.646 +    }
   1.647 +
   1.648 +    public Void visitSynthetic(Synthetic_attribute attr, Void ignore) {
   1.649 +        println("Synthetic: true");
   1.650 +        return null;
   1.651 +    }
   1.652 +
   1.653 +    static String getJavaName(String name) {
   1.654 +        return name.replace('/', '.');
   1.655 +    }
   1.656 +
   1.657 +    String toHex(byte b, int w) {
   1.658 +        if (options.compat) // BUG 6622260: javap prints negative bytes incorrectly in hex
   1.659 +            return toHex((int) b, w);
   1.660 +        else
   1.661 +            return toHex(b & 0xff, w);
   1.662 +    }
   1.663 +
   1.664 +    static String toHex(int i) {
   1.665 +        return Integer.toString(i, 16).toUpperCase();
   1.666 +    }
   1.667 +
   1.668 +    static String toHex(int i, int w) {
   1.669 +        String s = Integer.toHexString(i).toUpperCase();
   1.670 +        while (s.length() < w)
   1.671 +            s = "0" + s;
   1.672 +        return s.toUpperCase();
   1.673 +    }
   1.674 +
   1.675 +    private AnnotationWriter annotationWriter;
   1.676 +    private CodeWriter codeWriter;
   1.677 +    private ConstantWriter constantWriter;
   1.678 +    private Options options;
   1.679 +
   1.680 +    private ConstantPool constant_pool;
   1.681 +    private Object owner;
   1.682 +}

mercurial