/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file:
 *
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000-2011 INRIA, France Telecom
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */
package jdk.internal.org.objectweb.asm.util;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import jdk.internal.org.objectweb.asm.Attribute;
import jdk.internal.org.objectweb.asm.ConstantDynamic;
import jdk.internal.org.objectweb.asm.Handle;
import jdk.internal.org.objectweb.asm.Label;
import jdk.internal.org.objectweb.asm.Opcodes;
import jdk.internal.org.objectweb.asm.Type;
import jdk.internal.org.objectweb.asm.TypePath;

A Printer that prints the ASM code to generate the classes if visits. 
Author:
Eric Bruneton/**
 * A {@link Printer} that prints the ASM code to generate the classes if visits.
 *
 * @author Eric Bruneton
 */
// DontCheck(AbbreviationAsWordInName): can't be renamed (for backward binary compatibility).
public class ASMifier extends Printer {

    
The help message shown when command line arguments are incorrect. /** The help message shown when command line arguments are incorrect. */
    private static final String USAGE =
            "Prints the ASM code to generate the given class.\n"
                    + "Usage: ASMifier [-debug] <fully qualified class name or class file name>";

    
A pseudo access flag used to distinguish class access flags. /** A pseudo access flag used to distinguish class access flags. */
    private static final int ACCESS_CLASS = 0x40000;

    
A pseudo access flag used to distinguish field access flags. /** A pseudo access flag used to distinguish field access flags. */
    private static final int ACCESS_FIELD = 0x80000;

    
A pseudo access flag used to distinguish inner class flags. /** A pseudo access flag used to distinguish inner class flags. */
    private static final int ACCESS_INNER = 0x100000;

    
A pseudo access flag used to distinguish module requires / exports flags. /** A pseudo access flag used to distinguish module requires / exports flags. */
    private static final int ACCESS_MODULE = 0x200000;

    private static final String ANNOTATION_VISITOR = "annotationVisitor";
    private static final String ANNOTATION_VISITOR0 = "annotationVisitor0 = ";
    private static final String COMMA = "\", \"";
    private static final String END_ARRAY = " });\n";
    private static final String END_PARAMETERS = ");\n\n";
    private static final String NEW_OBJECT_ARRAY = ", new Object[] {";
    private static final String VISIT_END = ".visitEnd();\n";

    private static final List<String> FRAME_TYPES =
            Collections.unmodifiableList(
                    Arrays.asList(
                            "Opcodes.TOP",
                            "Opcodes.INTEGER",
                            "Opcodes.FLOAT",
                            "Opcodes.DOUBLE",
                            "Opcodes.LONG",
                            "Opcodes.NULL",
                            "Opcodes.UNINITIALIZED_THIS"));

    private static final Map<Integer, String> CLASS_VERSIONS;

    static {
        HashMap<Integer, String> classVersions = new HashMap<>();
        classVersions.put(Opcodes.V1_1, "V1_1");
        classVersions.put(Opcodes.V1_2, "V1_2");
        classVersions.put(Opcodes.V1_3, "V1_3");
        classVersions.put(Opcodes.V1_4, "V1_4");
        classVersions.put(Opcodes.V1_5, "V1_5");
        classVersions.put(Opcodes.V1_6, "V1_6");
        classVersions.put(Opcodes.V1_7, "V1_7");
        classVersions.put(Opcodes.V1_8, "V1_8");
        classVersions.put(Opcodes.V9, "V9");
        classVersions.put(Opcodes.V10, "V10");
        classVersions.put(Opcodes.V11, "V11");
        classVersions.put(Opcodes.V12, "V12");
        classVersions.put(Opcodes.V13, "V13");
        classVersions.put(Opcodes.V14, "V14");
        classVersions.put(Opcodes.V15, "V15");
        CLASS_VERSIONS = Collections.unmodifiableMap(classVersions);
    }

    
The name of the visitor variable in the produced code. /** The name of the visitor variable in the produced code. */
    protected final String name;

    
The identifier of the annotation visitor variable in the produced code. /** The identifier of the annotation visitor variable in the produced code. */
    protected final int id;

    
The name of the Label variables in the produced code. /** The name of the Label variables in the produced code. */
    protected Map<Label, String> labelNames;

    
Constructs a new ASMifier. Subclasses must not use this constructor. Instead, they must use the ASMifier(int, String, int) version. 
Throws:
IllegalStateException – If a subclass calls this constructor./**
      * Constructs a new {@link ASMifier}. <i>Subclasses must not use this constructor</i>. Instead,
      * they must use the {@link #ASMifier(int, String, int)} version.
      *
      * @throws IllegalStateException If a subclass calls this constructor.
      */
    public ASMifier() {
        this(/* latest api = */ Opcodes.ASM8, "classWriter", 0);
        if (getClass() != ASMifier.class) {
            throw new IllegalStateException();
        }
    }

    
Constructs a new ASMifier. 
Params:
api – the ASM API version implemented by this class. Must be one of Opcodes.ASM4, Opcodes.ASM5, Opcodes.ASM6, Opcodes.ASM7 or Opcodes.ASM8.
visitorVariableName – the name of the visitor variable in the produced code.
annotationVisitorId – identifier of the annotation visitor variable in the produced code./**
      * Constructs a new {@link ASMifier}.
      *
      * @param api the ASM API version implemented by this class. Must be one of {@link Opcodes#ASM4},
      *     {@link Opcodes#ASM5}, {@link Opcodes#ASM6}, {@link Opcodes#ASM7} or {@link Opcodes#ASM8}.
      * @param visitorVariableName the name of the visitor variable in the produced code.
      * @param annotationVisitorId identifier of the annotation visitor variable in the produced code.
      */
    protected ASMifier(
            final int api, final String visitorVariableName, final int annotationVisitorId) {
        super(api);
        this.name = visitorVariableName;
        this.id = annotationVisitorId;
    }

    
Prints the ASM source code to generate the given class to the standard output.
Usage: ASMifier [-debug] <binary class name or class file name>
Params:
args – the command line arguments.
Throws:
IOException – if the class cannot be found, or if an IOException occurs./**
      * Prints the ASM source code to generate the given class to the standard output.
      *
      * <p>Usage: ASMifier [-debug] &lt;binary class name or class file name&gt;
      *
      * @param args the command line arguments.
      * @throws IOException if the class cannot be found, or if an IOException occurs.
      */
    public static void main(final String[] args) throws IOException {
        main(args, new PrintWriter(System.out, true), new PrintWriter(System.err, true));
    }

    
Prints the ASM source code to generate the given class to the given output.
Usage: ASMifier [-debug] <binary class name or class file name>
Params:
args – the command line arguments.
output – where to print the result.
logger – where to log errors.
Throws:
IOException – if the class cannot be found, or if an IOException occurs./**
      * Prints the ASM source code to generate the given class to the given output.
      *
      * <p>Usage: ASMifier [-debug] &lt;binary class name or class file name&gt;
      *
      * @param args the command line arguments.
      * @param output where to print the result.
      * @param logger where to log errors.
      * @throws IOException if the class cannot be found, or if an IOException occurs.
      */
    static void main(final String[] args, final PrintWriter output, final PrintWriter logger)
            throws IOException {
        main(args, USAGE, new ASMifier(), output, logger);
    }

    // -----------------------------------------------------------------------------------------------
    // Classes
    // -----------------------------------------------------------------------------------------------

    @Override
    public void visit(
            final int version,
            final int access,
            final String name,
            final String signature,
            final String superName,
            final String[] interfaces) {
        String simpleName;
        if (name == null) {
            simpleName = "module-info";
        } else {
            int lastSlashIndex = name.lastIndexOf('/');
            if (lastSlashIndex == -1) {
                simpleName = name;
            } else {
                text.add("package asm." + name.substring(0, lastSlashIndex).replace('/', '.') + ";\n");
                simpleName = name.substring(lastSlashIndex + 1).replaceAll("[-\\(\\)]", "_");
            }
        }
        text.add("import jdk.internal.org.objectweb.asm.AnnotationVisitor;\n");
        text.add("import jdk.internal.org.objectweb.asm.Attribute;\n");
        text.add("import jdk.internal.org.objectweb.asm.ClassReader;\n");
        text.add("import jdk.internal.org.objectweb.asm.ClassWriter;\n");
        text.add("import jdk.internal.org.objectweb.asm.ConstantDynamic;\n");
        text.add("import jdk.internal.org.objectweb.asm.FieldVisitor;\n");
        text.add("import jdk.internal.org.objectweb.asm.Handle;\n");
        text.add("import jdk.internal.org.objectweb.asm.Label;\n");
        text.add("import jdk.internal.org.objectweb.asm.MethodVisitor;\n");
        text.add("import jdk.internal.org.objectweb.asm.Opcodes;\n");
        text.add("import jdk.internal.org.objectweb.asm.RecordComponentVisitor;\n");
        text.add("import jdk.internal.org.objectweb.asm.Type;\n");
        text.add("import jdk.internal.org.objectweb.asm.TypePath;\n");
        text.add("public class " + simpleName + "Dump implements Opcodes {\n\n");
        text.add("public static byte[] dump () throws Exception {\n\n");
        text.add("ClassWriter classWriter = new ClassWriter(0);\n");
        text.add("FieldVisitor fieldVisitor;\n");
        text.add("RecordComponentVisitor recordComponentVisitor;\n");
        text.add("MethodVisitor methodVisitor;\n");
        text.add("AnnotationVisitor annotationVisitor0;\n\n");

        stringBuilder.setLength(0);
        stringBuilder.append("classWriter.visit(");
        String versionString = CLASS_VERSIONS.get(version);
        if (versionString != null) {
            stringBuilder.append(versionString);
        } else {
            stringBuilder.append(version);
        }
        stringBuilder.append(", ");
        appendAccessFlags(access | ACCESS_CLASS);
        stringBuilder.append(", ");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(signature);
        stringBuilder.append(", ");
        appendConstant(superName);
        stringBuilder.append(", ");
        if (interfaces != null && interfaces.length > 0) {
            stringBuilder.append("new String[] {");
            for (int i = 0; i < interfaces.length; ++i) {
                stringBuilder.append(i == 0 ? " " : ", ");
                appendConstant(interfaces[i]);
            }
            stringBuilder.append(" }");
        } else {
            stringBuilder.append("null");
        }
        stringBuilder.append(END_PARAMETERS);
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitSource(final String file, final String debug) {
        stringBuilder.setLength(0);
        stringBuilder.append("classWriter.visitSource(");
        appendConstant(file);
        stringBuilder.append(", ");
        appendConstant(debug);
        stringBuilder.append(END_PARAMETERS);
        text.add(stringBuilder.toString());
    }

    @Override
    public Printer visitModule(final String name, final int flags, final String version) {
        stringBuilder.setLength(0);
        stringBuilder.append("ModuleVisitor moduleVisitor = classWriter.visitModule(");
        appendConstant(name);
        stringBuilder.append(", ");
        appendAccessFlags(flags | ACCESS_MODULE);
        stringBuilder.append(", ");
        appendConstant(version);
        stringBuilder.append(END_PARAMETERS);
        text.add(stringBuilder.toString());
        ASMifier asmifier = createASMifier("moduleVisitor", 0);
        text.add(asmifier.getText());
        text.add("}\n");
        return asmifier;
    }

    @Override
    public void visitNestHost(final String nestHost) {
        stringBuilder.setLength(0);
        stringBuilder.append("classWriter.visitNestHost(");
        appendConstant(nestHost);
        stringBuilder.append(END_PARAMETERS);
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitOuterClass(final String owner, final String name, final String descriptor) {
        stringBuilder.setLength(0);
        stringBuilder.append("classWriter.visitOuterClass(");
        appendConstant(owner);
        stringBuilder.append(", ");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(descriptor);
        stringBuilder.append(END_PARAMETERS);
        text.add(stringBuilder.toString());
    }

    @Override
    public ASMifier visitClassAnnotation(final String descriptor, final boolean visible) {
        return visitAnnotation(descriptor, visible);
    }

    @Override
    public ASMifier visitClassTypeAnnotation(
            final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
        return visitTypeAnnotation(typeRef, typePath, descriptor, visible);
    }

    @Override
    public void visitClassAttribute(final Attribute attribute) {
        visitAttribute(attribute);
    }

    @Override
    public void visitNestMember(final String nestMember) {
        stringBuilder.setLength(0);
        stringBuilder.append("classWriter.visitNestMember(");
        appendConstant(nestMember);
        stringBuilder.append(END_PARAMETERS);
        text.add(stringBuilder.toString());
    }

    
Experimental, use at your own risk..
Params:
permittedSubclass – the internal name of a permitted subclass.
Deprecated:
this API is experimental./**
      * <b>Experimental, use at your own risk.</b>.
      *
      * @param permittedSubclass the internal name of a permitted subclass.
      * @deprecated this API is experimental.
      */
    @Override
    @Deprecated
    public void visitPermittedSubclassExperimental(final String permittedSubclass) {
        stringBuilder.setLength(0);
        stringBuilder.append("classWriter.visitPermittedSubclassExperimental(");
        appendConstant(permittedSubclass);
        stringBuilder.append(END_PARAMETERS);
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitInnerClass(
            final String name, final String outerName, final String innerName, final int access) {
        stringBuilder.setLength(0);
        stringBuilder.append("classWriter.visitInnerClass(");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(outerName);
        stringBuilder.append(", ");
        appendConstant(innerName);
        stringBuilder.append(", ");
        appendAccessFlags(access | ACCESS_INNER);
        stringBuilder.append(END_PARAMETERS);
        text.add(stringBuilder.toString());
    }

    @Override
    public ASMifier visitRecordComponent(
            final String name, final String descriptor, final String signature) {
        stringBuilder.setLength(0);
        stringBuilder.append("{\n");
        stringBuilder.append("recordComponentVisitor = classWriter.visitRecordComponent(");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(descriptor);
        stringBuilder.append(", ");
        appendConstant(signature);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
        ASMifier asmifier = createASMifier("recordComponentVisitor", 0);
        text.add(asmifier.getText());
        text.add("}\n");
        return asmifier;
    }

    @Override
    public ASMifier visitField(
            final int access,
            final String name,
            final String descriptor,
            final String signature,
            final Object value) {
        stringBuilder.setLength(0);
        stringBuilder.append("{\n");
        stringBuilder.append("fieldVisitor = classWriter.visitField(");
        appendAccessFlags(access | ACCESS_FIELD);
        stringBuilder.append(", ");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(descriptor);
        stringBuilder.append(", ");
        appendConstant(signature);
        stringBuilder.append(", ");
        appendConstant(value);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
        ASMifier asmifier = createASMifier("fieldVisitor", 0);
        text.add(asmifier.getText());
        text.add("}\n");
        return asmifier;
    }

    @Override
    public ASMifier visitMethod(
            final int access,
            final String name,
            final String descriptor,
            final String signature,
            final String[] exceptions) {
        stringBuilder.setLength(0);
        stringBuilder.append("{\n");
        stringBuilder.append("methodVisitor = classWriter.visitMethod(");
        appendAccessFlags(access);
        stringBuilder.append(", ");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(descriptor);
        stringBuilder.append(", ");
        appendConstant(signature);
        stringBuilder.append(", ");
        if (exceptions != null && exceptions.length > 0) {
            stringBuilder.append("new String[] {");
            for (int i = 0; i < exceptions.length; ++i) {
                stringBuilder.append(i == 0 ? " " : ", ");
                appendConstant(exceptions[i]);
            }
            stringBuilder.append(" }");
        } else {
            stringBuilder.append("null");
        }
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
        ASMifier asmifier = createASMifier("methodVisitor", 0);
        text.add(asmifier.getText());
        text.add("}\n");
        return asmifier;
    }

    @Override
    public void visitClassEnd() {
        text.add("classWriter.visitEnd();\n\n");
        text.add("return classWriter.toByteArray();\n");
        text.add("}\n");
        text.add("}\n");
    }

    // -----------------------------------------------------------------------------------------------
    // Modules
    // -----------------------------------------------------------------------------------------------

    @Override
    public void visitMainClass(final String mainClass) {
        stringBuilder.setLength(0);
        stringBuilder.append("moduleVisitor.visitMainClass(");
        appendConstant(mainClass);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitPackage(final String packaze) {
        stringBuilder.setLength(0);
        stringBuilder.append("moduleVisitor.visitPackage(");
        appendConstant(packaze);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitRequire(final String module, final int access, final String version) {
        stringBuilder.setLength(0);
        stringBuilder.append("moduleVisitor.visitRequire(");
        appendConstant(module);
        stringBuilder.append(", ");
        appendAccessFlags(access | ACCESS_MODULE);
        stringBuilder.append(", ");
        appendConstant(version);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitExport(final String packaze, final int access, final String... modules) {
        visitExportOrOpen("moduleVisitor.visitExport(", packaze, access, modules);
    }

    @Override
    public void visitOpen(final String packaze, final int access, final String... modules) {
        visitExportOrOpen("moduleVisitor.visitOpen(", packaze, access, modules);
    }

    private void visitExportOrOpen(
            final String visitMethod, final String packaze, final int access, final String... modules) {
        stringBuilder.setLength(0);
        stringBuilder.append(visitMethod);
        appendConstant(packaze);
        stringBuilder.append(", ");
        appendAccessFlags(access | ACCESS_MODULE);
        if (modules != null && modules.length > 0) {
            stringBuilder.append(", new String[] {");
            for (int i = 0; i < modules.length; ++i) {
                stringBuilder.append(i == 0 ? " " : ", ");
                appendConstant(modules[i]);
            }
            stringBuilder.append(" }");
        }
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitUse(final String service) {
        stringBuilder.setLength(0);
        stringBuilder.append("moduleVisitor.visitUse(");
        appendConstant(service);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitProvide(final String service, final String... providers) {
        stringBuilder.setLength(0);
        stringBuilder.append("moduleVisitor.visitProvide(");
        appendConstant(service);
        stringBuilder.append(",  new String[] {");
        for (int i = 0; i < providers.length; ++i) {
            stringBuilder.append(i == 0 ? " " : ", ");
            appendConstant(providers[i]);
        }
        stringBuilder.append(END_ARRAY);
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitModuleEnd() {
        text.add("moduleVisitor.visitEnd();\n");
    }

    // -----------------------------------------------------------------------------------------------
    // Annotations
    // -----------------------------------------------------------------------------------------------

    // DontCheck(OverloadMethodsDeclarationOrder): overloads are semantically different.
    @Override
    public void visit(final String name, final Object value) {
        stringBuilder.setLength(0);
        stringBuilder.append(ANNOTATION_VISITOR).append(id).append(".visit(");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(value);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitEnum(final String name, final String descriptor, final String value) {
        stringBuilder.setLength(0);
        stringBuilder.append(ANNOTATION_VISITOR).append(id).append(".visitEnum(");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(descriptor);
        stringBuilder.append(", ");
        appendConstant(value);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public ASMifier visitAnnotation(final String name, final String descriptor) {
        stringBuilder.setLength(0);
        stringBuilder
                .append("{\n")
                .append("AnnotationVisitor annotationVisitor")
                .append(id + 1)
                .append(" = annotationVisitor");
        stringBuilder.append(id).append(".visitAnnotation(");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(descriptor);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
        ASMifier asmifier = createASMifier(ANNOTATION_VISITOR, id + 1);
        text.add(asmifier.getText());
        text.add("}\n");
        return asmifier;
    }

    @Override
    public ASMifier visitArray(final String name) {
        stringBuilder.setLength(0);
        stringBuilder.append("{\n");
        stringBuilder
                .append("AnnotationVisitor annotationVisitor")
                .append(id + 1)
                .append(" = annotationVisitor");
        stringBuilder.append(id).append(".visitArray(");
        appendConstant(name);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
        ASMifier asmifier = createASMifier(ANNOTATION_VISITOR, id + 1);
        text.add(asmifier.getText());
        text.add("}\n");
        return asmifier;
    }

    @Override
    public void visitAnnotationEnd() {
        stringBuilder.setLength(0);
        stringBuilder.append(ANNOTATION_VISITOR).append(id).append(VISIT_END);
        text.add(stringBuilder.toString());
    }

    // -----------------------------------------------------------------------------------------------
    // Record components
    // -----------------------------------------------------------------------------------------------

    @Override
    public ASMifier visitRecordComponentAnnotation(final String descriptor, final boolean visible) {
        return visitAnnotation(descriptor, visible);
    }

    @Override
    public ASMifier visitRecordComponentTypeAnnotation(
            final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
        return visitTypeAnnotation(typeRef, typePath, descriptor, visible);
    }

    @Override
    public void visitRecordComponentAttribute(final Attribute attribute) {
        visitAttribute(attribute);
    }

    @Override
    public void visitRecordComponentEnd() {
        stringBuilder.setLength(0);
        stringBuilder.append(name).append(VISIT_END);
        text.add(stringBuilder.toString());
    }

    // -----------------------------------------------------------------------------------------------
    // Fields
    // -----------------------------------------------------------------------------------------------

    @Override
    public ASMifier visitFieldAnnotation(final String descriptor, final boolean visible) {
        return visitAnnotation(descriptor, visible);
    }

    @Override
    public ASMifier visitFieldTypeAnnotation(
            final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
        return visitTypeAnnotation(typeRef, typePath, descriptor, visible);
    }

    @Override
    public void visitFieldAttribute(final Attribute attribute) {
        visitAttribute(attribute);
    }

    @Override
    public void visitFieldEnd() {
        stringBuilder.setLength(0);
        stringBuilder.append(name).append(VISIT_END);
        text.add(stringBuilder.toString());
    }

    // -----------------------------------------------------------------------------------------------
    // Methods
    // -----------------------------------------------------------------------------------------------

    @Override
    public void visitParameter(final String parameterName, final int access) {
        stringBuilder.setLength(0);
        stringBuilder.append(name).append(".visitParameter(");
        appendString(stringBuilder, parameterName);
        stringBuilder.append(", ");
        appendAccessFlags(access);
        text.add(stringBuilder.append(");\n").toString());
    }

    @Override
    public ASMifier visitAnnotationDefault() {
        stringBuilder.setLength(0);
        stringBuilder
                .append("{\n")
                .append(ANNOTATION_VISITOR0)
                .append(name)
                .append(".visitAnnotationDefault();\n");
        text.add(stringBuilder.toString());
        ASMifier asmifier = createASMifier(ANNOTATION_VISITOR, 0);
        text.add(asmifier.getText());
        text.add("}\n");
        return asmifier;
    }

    @Override
    public ASMifier visitMethodAnnotation(final String descriptor, final boolean visible) {
        return visitAnnotation(descriptor, visible);
    }

    @Override
    public ASMifier visitMethodTypeAnnotation(
            final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
        return visitTypeAnnotation(typeRef, typePath, descriptor, visible);
    }

    @Override
    public ASMifier visitAnnotableParameterCount(final int parameterCount, final boolean visible) {
        stringBuilder.setLength(0);
        stringBuilder
                .append(name)
                .append(".visitAnnotableParameterCount(")
                .append(parameterCount)
                .append(", ")
                .append(visible)
                .append(");\n");
        text.add(stringBuilder.toString());
        return this;
    }

    @Override
    public ASMifier visitParameterAnnotation(
            final int parameter, final String descriptor, final boolean visible) {
        stringBuilder.setLength(0);
        stringBuilder
                .append("{\n")
                .append(ANNOTATION_VISITOR0)
                .append(name)
                .append(".visitParameterAnnotation(")
                .append(parameter)
                .append(", ");
        appendConstant(descriptor);
        stringBuilder.append(", ").append(visible).append(");\n");
        text.add(stringBuilder.toString());
        ASMifier asmifier = createASMifier(ANNOTATION_VISITOR, 0);
        text.add(asmifier.getText());
        text.add("}\n");
        return asmifier;
    }

    @Override
    public void visitMethodAttribute(final Attribute attribute) {
        visitAttribute(attribute);
    }

    @Override
    public void visitCode() {
        text.add(name + ".visitCode();\n");
    }

    @Override
    public void visitFrame(
            final int type,
            final int numLocal,
            final Object[] local,
            final int numStack,
            final Object[] stack) {
        stringBuilder.setLength(0);
        switch (type) {
            case Opcodes.F_NEW:
            case Opcodes.F_FULL:
                declareFrameTypes(numLocal, local);
                declareFrameTypes(numStack, stack);
                if (type == Opcodes.F_NEW) {
                    stringBuilder.append(name).append(".visitFrame(Opcodes.F_NEW, ");
                } else {
                    stringBuilder.append(name).append(".visitFrame(Opcodes.F_FULL, ");
                }
                stringBuilder.append(numLocal).append(NEW_OBJECT_ARRAY);
                appendFrameTypes(numLocal, local);
                stringBuilder.append("}, ").append(numStack).append(NEW_OBJECT_ARRAY);
                appendFrameTypes(numStack, stack);
                stringBuilder.append('}');
                break;
            case Opcodes.F_APPEND:
                declareFrameTypes(numLocal, local);
                stringBuilder
                        .append(name)
                        .append(".visitFrame(Opcodes.F_APPEND,")
                        .append(numLocal)
                        .append(NEW_OBJECT_ARRAY);
                appendFrameTypes(numLocal, local);
                stringBuilder.append("}, 0, null");
                break;
            case Opcodes.F_CHOP:
                stringBuilder
                        .append(name)
                        .append(".visitFrame(Opcodes.F_CHOP,")
                        .append(numLocal)
                        .append(", null, 0, null");
                break;
            case Opcodes.F_SAME:
                stringBuilder.append(name).append(".visitFrame(Opcodes.F_SAME, 0, null, 0, null");
                break;
            case Opcodes.F_SAME1:
                declareFrameTypes(1, stack);
                stringBuilder
                        .append(name)
                        .append(".visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] {");
                appendFrameTypes(1, stack);
                stringBuilder.append('}');
                break;
            default:
                throw new IllegalArgumentException();
        }
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitInsn(final int opcode) {
        stringBuilder.setLength(0);
        stringBuilder.append(name).append(".visitInsn(").append(OPCODES[opcode]).append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitIntInsn(final int opcode, final int operand) {
        stringBuilder.setLength(0);
        stringBuilder
                .append(name)
                .append(".visitIntInsn(")
                .append(OPCODES[opcode])
                .append(", ")
                .append(opcode == Opcodes.NEWARRAY ? TYPES[operand] : Integer.toString(operand))
                .append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitVarInsn(final int opcode, final int var) {
        stringBuilder.setLength(0);
        stringBuilder
                .append(name)
                .append(".visitVarInsn(")
                .append(OPCODES[opcode])
                .append(", ")
                .append(var)
                .append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitTypeInsn(final int opcode, final String type) {
        stringBuilder.setLength(0);
        stringBuilder.append(name).append(".visitTypeInsn(").append(OPCODES[opcode]).append(", ");
        appendConstant(type);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitFieldInsn(
            final int opcode, final String owner, final String name, final String descriptor) {
        stringBuilder.setLength(0);
        stringBuilder.append(this.name).append(".visitFieldInsn(").append(OPCODES[opcode]).append(", ");
        appendConstant(owner);
        stringBuilder.append(", ");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(descriptor);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitMethodInsn(
            final int opcode,
            final String owner,
            final String name,
            final String descriptor,
            final boolean isInterface) {
        stringBuilder.setLength(0);
        stringBuilder
                .append(this.name)
                .append(".visitMethodInsn(")
                .append(OPCODES[opcode])
                .append(", ");
        appendConstant(owner);
        stringBuilder.append(", ");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(descriptor);
        stringBuilder.append(", ");
        stringBuilder.append(isInterface ? "true" : "false");
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitInvokeDynamicInsn(
            final String name,
            final String descriptor,
            final Handle bootstrapMethodHandle,
            final Object... bootstrapMethodArguments) {
        stringBuilder.setLength(0);
        stringBuilder.append(this.name).append(".visitInvokeDynamicInsn(");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(descriptor);
        stringBuilder.append(", ");
        appendConstant(bootstrapMethodHandle);
        stringBuilder.append(", new Object[]{");
        for (int i = 0; i < bootstrapMethodArguments.length; ++i) {
            appendConstant(bootstrapMethodArguments[i]);
            if (i != bootstrapMethodArguments.length - 1) {
                stringBuilder.append(", ");
            }
        }
        stringBuilder.append("});\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitJumpInsn(final int opcode, final Label label) {
        stringBuilder.setLength(0);
        declareLabel(label);
        stringBuilder.append(name).append(".visitJumpInsn(").append(OPCODES[opcode]).append(", ");
        appendLabel(label);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitLabel(final Label label) {
        stringBuilder.setLength(0);
        declareLabel(label);
        stringBuilder.append(name).append(".visitLabel(");
        appendLabel(label);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitLdcInsn(final Object value) {
        stringBuilder.setLength(0);
        stringBuilder.append(name).append(".visitLdcInsn(");
        appendConstant(value);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitIincInsn(final int var, final int increment) {
        stringBuilder.setLength(0);
        stringBuilder
                .append(name)
                .append(".visitIincInsn(")
                .append(var)
                .append(", ")
                .append(increment)
                .append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitTableSwitchInsn(
            final int min, final int max, final Label dflt, final Label... labels) {
        stringBuilder.setLength(0);
        for (Label label : labels) {
            declareLabel(label);
        }
        declareLabel(dflt);

        stringBuilder
                .append(name)
                .append(".visitTableSwitchInsn(")
                .append(min)
                .append(", ")
                .append(max)
                .append(", ");
        appendLabel(dflt);
        stringBuilder.append(", new Label[] {");
        for (int i = 0; i < labels.length; ++i) {
            stringBuilder.append(i == 0 ? " " : ", ");
            appendLabel(labels[i]);
        }
        stringBuilder.append(END_ARRAY);
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitLookupSwitchInsn(final Label dflt, final int[] keys, final Label[] labels) {
        stringBuilder.setLength(0);
        for (Label label : labels) {
            declareLabel(label);
        }
        declareLabel(dflt);

        stringBuilder.append(name).append(".visitLookupSwitchInsn(");
        appendLabel(dflt);
        stringBuilder.append(", new int[] {");
        for (int i = 0; i < keys.length; ++i) {
            stringBuilder.append(i == 0 ? " " : ", ").append(keys[i]);
        }
        stringBuilder.append(" }, new Label[] {");
        for (int i = 0; i < labels.length; ++i) {
            stringBuilder.append(i == 0 ? " " : ", ");
            appendLabel(labels[i]);
        }
        stringBuilder.append(END_ARRAY);
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitMultiANewArrayInsn(final String descriptor, final int numDimensions) {
        stringBuilder.setLength(0);
        stringBuilder.append(name).append(".visitMultiANewArrayInsn(");
        appendConstant(descriptor);
        stringBuilder.append(", ").append(numDimensions).append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public ASMifier visitInsnAnnotation(
            final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
        return visitTypeAnnotation("visitInsnAnnotation", typeRef, typePath, descriptor, visible);
    }

    @Override
    public void visitTryCatchBlock(
            final Label start, final Label end, final Label handler, final String type) {
        stringBuilder.setLength(0);
        declareLabel(start);
        declareLabel(end);
        declareLabel(handler);
        stringBuilder.append(name).append(".visitTryCatchBlock(");
        appendLabel(start);
        stringBuilder.append(", ");
        appendLabel(end);
        stringBuilder.append(", ");
        appendLabel(handler);
        stringBuilder.append(", ");
        appendConstant(type);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public ASMifier visitTryCatchAnnotation(
            final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
        return visitTypeAnnotation("visitTryCatchAnnotation", typeRef, typePath, descriptor, visible);
    }

    @Override
    public void visitLocalVariable(
            final String name,
            final String descriptor,
            final String signature,
            final Label start,
            final Label end,
            final int index) {
        stringBuilder.setLength(0);
        stringBuilder.append(this.name).append(".visitLocalVariable(");
        appendConstant(name);
        stringBuilder.append(", ");
        appendConstant(descriptor);
        stringBuilder.append(", ");
        appendConstant(signature);
        stringBuilder.append(", ");
        appendLabel(start);
        stringBuilder.append(", ");
        appendLabel(end);
        stringBuilder.append(", ").append(index).append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public Printer visitLocalVariableAnnotation(
            final int typeRef,
            final TypePath typePath,
            final Label[] start,
            final Label[] end,
            final int[] index,
            final String descriptor,
            final boolean visible) {
        stringBuilder.setLength(0);
        stringBuilder
                .append("{\n")
                .append(ANNOTATION_VISITOR0)
                .append(name)
                .append(".visitLocalVariableAnnotation(")
                .append(typeRef);
        if (typePath == null) {
            stringBuilder.append(", null, ");
        } else {
            stringBuilder.append(", TypePath.fromString(\"").append(typePath).append("\"), ");
        }
        stringBuilder.append("new Label[] {");
        for (int i = 0; i < start.length; ++i) {
            stringBuilder.append(i == 0 ? " " : ", ");
            appendLabel(start[i]);
        }
        stringBuilder.append(" }, new Label[] {");
        for (int i = 0; i < end.length; ++i) {
            stringBuilder.append(i == 0 ? " " : ", ");
            appendLabel(end[i]);
        }
        stringBuilder.append(" }, new int[] {");
        for (int i = 0; i < index.length; ++i) {
            stringBuilder.append(i == 0 ? " " : ", ").append(index[i]);
        }
        stringBuilder.append(" }, ");
        appendConstant(descriptor);
        stringBuilder.append(", ").append(visible).append(");\n");
        text.add(stringBuilder.toString());
        ASMifier asmifier = createASMifier(ANNOTATION_VISITOR, 0);
        text.add(asmifier.getText());
        text.add("}\n");
        return asmifier;
    }

    @Override
    public void visitLineNumber(final int line, final Label start) {
        stringBuilder.setLength(0);
        stringBuilder.append(name).append(".visitLineNumber(").append(line).append(", ");
        appendLabel(start);
        stringBuilder.append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitMaxs(final int maxStack, final int maxLocals) {
        stringBuilder.setLength(0);
        stringBuilder
                .append(name)
                .append(".visitMaxs(")
                .append(maxStack)
                .append(", ")
                .append(maxLocals)
                .append(");\n");
        text.add(stringBuilder.toString());
    }

    @Override
    public void visitMethodEnd() {
        stringBuilder.setLength(0);
        stringBuilder.append(name).append(VISIT_END);
        text.add(stringBuilder.toString());
    }

    // -----------------------------------------------------------------------------------------------
    // Common methods
    // -----------------------------------------------------------------------------------------------

    
Visits a class, field or method annotation.
Params:
descriptor – the class descriptor of the annotation class.
visible – true if the annotation is visible at runtime.
Returns:
a new ASMifier to visit the annotation values./**
      * Visits a class, field or method annotation.
      *
      * @param descriptor the class descriptor of the annotation class.
      * @param visible {@literal true} if the annotation is visible at runtime.
      * @return a new {@link ASMifier} to visit the annotation values.
      */
    // DontCheck(OverloadMethodsDeclarationOrder): overloads are semantically different.
    public ASMifier visitAnnotation(final String descriptor, final boolean visible) {
        stringBuilder.setLength(0);
        stringBuilder
                .append("{\n")
                .append(ANNOTATION_VISITOR0)
                .append(name)
                .append(".visitAnnotation(");
        appendConstant(descriptor);
        stringBuilder.append(", ").append(visible).append(");\n");
        text.add(stringBuilder.toString());
        ASMifier asmifier = createASMifier(ANNOTATION_VISITOR, 0);
        text.add(asmifier.getText());
        text.add("}\n");
        return asmifier;
    }

    
Visits a class, field or method type annotation.
Params:
typeRef – a reference to the annotated type. The sort of this type reference must be TypeReference.FIELD. See TypeReference.
typePath – the path to the annotated type argument, wildcard bound, array element type, or static inner type within 'typeRef'. May be null if the annotation targets 'typeRef' as a whole.
descriptor – the class descriptor of the annotation class.
visible – true if the annotation is visible at runtime.
Returns:
a new ASMifier to visit the annotation values./**
      * Visits a class, field or method type annotation.
      *
      * @param typeRef a reference to the annotated type. The sort of this type reference must be
      *     {@link jdk.internal.org.objectweb.asm.TypeReference#FIELD}. See {@link jdk.internal.org.objectweb.asm.TypeReference}.
      * @param typePath the path to the annotated type argument, wildcard bound, array element type, or
      *     static inner type within 'typeRef'. May be {@literal null} if the annotation targets
      *     'typeRef' as a whole.
      * @param descriptor the class descriptor of the annotation class.
      * @param visible {@literal true} if the annotation is visible at runtime.
      * @return a new {@link ASMifier} to visit the annotation values.
      */
    public ASMifier visitTypeAnnotation(
            final int typeRef, final TypePath typePath, final String descriptor, final boolean visible) {
        return visitTypeAnnotation("visitTypeAnnotation", typeRef, typePath, descriptor, visible);
    }

    
Visits a class, field, method, instruction or try catch block type annotation.
Params:
method – the name of the visit method for this type of annotation.
typeRef – a reference to the annotated type. The sort of this type reference must be TypeReference.FIELD. See TypeReference.
typePath – the path to the annotated type argument, wildcard bound, array element type, or static inner type within 'typeRef'. May be null if the annotation targets 'typeRef' as a whole.
descriptor – the class descriptor of the annotation class.
visible – true if the annotation is visible at runtime.
Returns:
a new ASMifier to visit the annotation values./**
      * Visits a class, field, method, instruction or try catch block type annotation.
      *
      * @param method the name of the visit method for this type of annotation.
      * @param typeRef a reference to the annotated type. The sort of this type reference must be
      *     {@link jdk.internal.org.objectweb.asm.TypeReference#FIELD}. See {@link jdk.internal.org.objectweb.asm.TypeReference}.
      * @param typePath the path to the annotated type argument, wildcard bound, array element type, or
      *     static inner type within 'typeRef'. May be {@literal null} if the annotation targets
      *     'typeRef' as a whole.
      * @param descriptor the class descriptor of the annotation class.
      * @param visible {@literal true} if the annotation is visible at runtime.
      * @return a new {@link ASMifier} to visit the annotation values.
      */
    public ASMifier visitTypeAnnotation(
            final String method,
            final int typeRef,
            final TypePath typePath,
            final String descriptor,
            final boolean visible) {
        stringBuilder.setLength(0);
        stringBuilder
                .append("{\n")
                .append(ANNOTATION_VISITOR0)
                .append(name)
                .append(".")
                .append(method)
                .append("(")
                .append(typeRef);
        if (typePath == null) {
            stringBuilder.append(", null, ");
        } else {
            stringBuilder.append(", TypePath.fromString(\"").append(typePath).append("\"), ");
        }
        appendConstant(descriptor);
        stringBuilder.append(", ").append(visible).append(");\n");
        text.add(stringBuilder.toString());
        ASMifier asmifier = createASMifier(ANNOTATION_VISITOR, 0);
        text.add(asmifier.getText());
        text.add("}\n");
        return asmifier;
    }

    
Visit a class, field or method attribute.
Params:
attribute – an attribute./**
      * Visit a class, field or method attribute.
      *
      * @param attribute an attribute.
      */
    public void visitAttribute(final Attribute attribute) {
        stringBuilder.setLength(0);
        stringBuilder.append("// ATTRIBUTE ").append(attribute.type).append('\n');
        if (attribute instanceof ASMifierSupport) {
            if (labelNames == null) {
                labelNames = new HashMap<>();
            }
            stringBuilder.append("{\n");
            ((ASMifierSupport) attribute).asmify(stringBuilder, "attribute", labelNames);
            stringBuilder.append(name).append(".visitAttribute(attribute);\n");
            stringBuilder.append("}\n");
        }
        text.add(stringBuilder.toString());
    }

    // -----------------------------------------------------------------------------------------------
    // Utility methods
    // -----------------------------------------------------------------------------------------------

    
Constructs a new ASMifier. 
Params:
visitorVariableName – the name of the visitor variable in the produced code.
annotationVisitorId – identifier of the annotation visitor variable in the produced code.
Returns:
a new ASMifier./**
      * Constructs a new {@link ASMifier}.
      *
      * @param visitorVariableName the name of the visitor variable in the produced code.
      * @param annotationVisitorId identifier of the annotation visitor variable in the produced code.
      * @return a new {@link ASMifier}.
      */
    // DontCheck(AbbreviationAsWordInName): can't be renamed (for backward binary compatibility).
    protected ASMifier createASMifier(
            final String visitorVariableName, final int annotationVisitorId) {
        return new ASMifier(api, visitorVariableName, annotationVisitorId);
    }

    
Appends a string representation of the given access flags to Printer.stringBuilder. 
Params:
accessFlags – some access flags./**
      * Appends a string representation of the given access flags to {@link #stringBuilder}.
      *
      * @param accessFlags some access flags.
      */
    private void appendAccessFlags(final int accessFlags) {
        boolean isEmpty = true;
        if ((accessFlags & Opcodes.ACC_PUBLIC) != 0) {
            stringBuilder.append("ACC_PUBLIC");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_PRIVATE) != 0) {
            stringBuilder.append("ACC_PRIVATE");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_PROTECTED) != 0) {
            stringBuilder.append("ACC_PROTECTED");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_FINAL) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            if ((accessFlags & ACCESS_MODULE) == 0) {
                stringBuilder.append("ACC_FINAL");
            } else {
                stringBuilder.append("ACC_TRANSITIVE");
            }
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_STATIC) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_STATIC");
            isEmpty = false;
        }
        if ((accessFlags & (Opcodes.ACC_SYNCHRONIZED | Opcodes.ACC_SUPER | Opcodes.ACC_TRANSITIVE))
                != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            if ((accessFlags & ACCESS_CLASS) == 0) {
                if ((accessFlags & ACCESS_MODULE) == 0) {
                    stringBuilder.append("ACC_SYNCHRONIZED");
                } else {
                    stringBuilder.append("ACC_TRANSITIVE");
                }
            } else {
                stringBuilder.append("ACC_SUPER");
            }
            isEmpty = false;
        }
        if ((accessFlags & (Opcodes.ACC_VOLATILE | Opcodes.ACC_BRIDGE | Opcodes.ACC_STATIC_PHASE))
                != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            if ((accessFlags & ACCESS_FIELD) == 0) {
                if ((accessFlags & ACCESS_MODULE) == 0) {
                    stringBuilder.append("ACC_BRIDGE");
                } else {
                    stringBuilder.append("ACC_STATIC_PHASE");
                }
            } else {
                stringBuilder.append("ACC_VOLATILE");
            }
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_VARARGS) != 0
                && (accessFlags & (ACCESS_CLASS | ACCESS_FIELD)) == 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_VARARGS");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_TRANSIENT) != 0 && (accessFlags & ACCESS_FIELD) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_TRANSIENT");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_NATIVE) != 0
                && (accessFlags & (ACCESS_CLASS | ACCESS_FIELD)) == 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_NATIVE");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_ENUM) != 0
                && (accessFlags & (ACCESS_CLASS | ACCESS_FIELD | ACCESS_INNER)) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_ENUM");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_ANNOTATION) != 0
                && (accessFlags & (ACCESS_CLASS | ACCESS_INNER)) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_ANNOTATION");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_ABSTRACT) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_ABSTRACT");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_INTERFACE) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_INTERFACE");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_STRICT) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_STRICT");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_SYNTHETIC) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_SYNTHETIC");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_DEPRECATED) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_DEPRECATED");
            isEmpty = false;
        }
        if ((accessFlags & Opcodes.ACC_RECORD) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            stringBuilder.append("ACC_RECORD");
            isEmpty = false;
        }
        if ((accessFlags & (Opcodes.ACC_MANDATED | Opcodes.ACC_MODULE)) != 0) {
            if (!isEmpty) {
                stringBuilder.append(" | ");
            }
            if ((accessFlags & ACCESS_CLASS) == 0) {
                stringBuilder.append("ACC_MANDATED");
            } else {
                stringBuilder.append("ACC_MODULE");
            }
            isEmpty = false;
        }
        if (isEmpty) {
            stringBuilder.append('0');
        }
    }

    
Appends a string representation of the given constant to Printer.stringBuilder. 
Params:
value – a String, Type, Handle, Byte, Short, Character, Integer, Float, Long or Double object, or an array of primitive values. May be null./**
      * Appends a string representation of the given constant to {@link #stringBuilder}.
      *
      * @param value a {@link String}, {@link Type}, {@link Handle}, {@link Byte}, {@link Short},
      *     {@link Character}, {@link Integer}, {@link Float}, {@link Long} or {@link Double} object,
      *     or an array of primitive values. May be {@literal null}.
      */
    protected void appendConstant(final Object value) {
        if (value == null) {
            stringBuilder.append("null");
        } else if (value instanceof String) {
            appendString(stringBuilder, (String) value);
        } else if (value instanceof Type) {
            stringBuilder.append("Type.getType(\"");
            stringBuilder.append(((Type) value).getDescriptor());
            stringBuilder.append("\")");
        } else if (value instanceof Handle) {
            stringBuilder.append("new Handle(");
            Handle handle = (Handle) value;
            stringBuilder.append("Opcodes.").append(HANDLE_TAG[handle.getTag()]).append(", \"");
            stringBuilder.append(handle.getOwner()).append(COMMA);
            stringBuilder.append(handle.getName()).append(COMMA);
            stringBuilder.append(handle.getDesc()).append("\", ");
            stringBuilder.append(handle.isInterface()).append(")");
        } else if (value instanceof ConstantDynamic) {
            stringBuilder.append("new ConstantDynamic(\"");
            ConstantDynamic constantDynamic = (ConstantDynamic) value;
            stringBuilder.append(constantDynamic.getName()).append(COMMA);
            stringBuilder.append(constantDynamic.getDescriptor()).append("\", ");
            appendConstant(constantDynamic.getBootstrapMethod());
            stringBuilder.append(NEW_OBJECT_ARRAY);
            int bootstrapMethodArgumentCount = constantDynamic.getBootstrapMethodArgumentCount();
            for (int i = 0; i < bootstrapMethodArgumentCount; ++i) {
                appendConstant(constantDynamic.getBootstrapMethodArgument(i));
                if (i != bootstrapMethodArgumentCount - 1) {
                    stringBuilder.append(", ");
                }
            }
            stringBuilder.append("})");
        } else if (value instanceof Byte) {
            stringBuilder.append("new Byte((byte)").append(value).append(')');
        } else if (value instanceof Boolean) {
            stringBuilder.append(((Boolean) value).booleanValue() ? "Boolean.TRUE" : "Boolean.FALSE");
        } else if (value instanceof Short) {
            stringBuilder.append("new Short((short)").append(value).append(')');
        } else if (value instanceof Character) {
            stringBuilder
                    .append("new Character((char)")
                    .append((int) ((Character) value).charValue())
                    .append(')');
        } else if (value instanceof Integer) {
            stringBuilder.append("new Integer(").append(value).append(')');
        } else if (value instanceof Float) {
            stringBuilder.append("new Float(\"").append(value).append("\")");
        } else if (value instanceof Long) {
            stringBuilder.append("new Long(").append(value).append("L)");
        } else if (value instanceof Double) {
            stringBuilder.append("new Double(\"").append(value).append("\")");
        } else if (value instanceof byte[]) {
            byte[] byteArray = (byte[]) value;
            stringBuilder.append("new byte[] {");
            for (int i = 0; i < byteArray.length; i++) {
                stringBuilder.append(i == 0 ? "" : ",").append(byteArray[i]);
            }
            stringBuilder.append('}');
        } else if (value instanceof boolean[]) {
            boolean[] booleanArray = (boolean[]) value;
            stringBuilder.append("new boolean[] {");
            for (int i = 0; i < booleanArray.length; i++) {
                stringBuilder.append(i == 0 ? "" : ",").append(booleanArray[i]);
            }
            stringBuilder.append('}');
        } else if (value instanceof short[]) {
            short[] shortArray = (short[]) value;
            stringBuilder.append("new short[] {");
            for (int i = 0; i < shortArray.length; i++) {
                stringBuilder.append(i == 0 ? "" : ",").append("(short)").append(shortArray[i]);
            }
            stringBuilder.append('}');
        } else if (value instanceof char[]) {
            char[] charArray = (char[]) value;
            stringBuilder.append("new char[] {");
            for (int i = 0; i < charArray.length; i++) {
                stringBuilder.append(i == 0 ? "" : ",").append("(char)").append((int) charArray[i]);
            }
            stringBuilder.append('}');
        } else if (value instanceof int[]) {
            int[] intArray = (int[]) value;
            stringBuilder.append("new int[] {");
            for (int i = 0; i < intArray.length; i++) {
                stringBuilder.append(i == 0 ? "" : ",").append(intArray[i]);
            }
            stringBuilder.append('}');
        } else if (value instanceof long[]) {
            long[] longArray = (long[]) value;
            stringBuilder.append("new long[] {");
            for (int i = 0; i < longArray.length; i++) {
                stringBuilder.append(i == 0 ? "" : ",").append(longArray[i]).append('L');
            }
            stringBuilder.append('}');
        } else if (value instanceof float[]) {
            float[] floatArray = (float[]) value;
            stringBuilder.append("new float[] {");
            for (int i = 0; i < floatArray.length; i++) {
                stringBuilder.append(i == 0 ? "" : ",").append(floatArray[i]).append('f');
            }
            stringBuilder.append('}');
        } else if (value instanceof double[]) {
            double[] doubleArray = (double[]) value;
            stringBuilder.append("new double[] {");
            for (int i = 0; i < doubleArray.length; i++) {
                stringBuilder.append(i == 0 ? "" : ",").append(doubleArray[i]).append('d');
            }
            stringBuilder.append('}');
        }
    }

    
Calls declareLabel for each label in the given stack map frame types. 
Params:
numTypes – the number of stack map frame types in 'frameTypes'.
frameTypes – an array of stack map frame types, in the format described in MethodVisitor.visitFrame./**
      * Calls {@link #declareLabel} for each label in the given stack map frame types.
      *
      * @param numTypes the number of stack map frame types in 'frameTypes'.
      * @param frameTypes an array of stack map frame types, in the format described in {@link
      *     jdk.internal.org.objectweb.asm.MethodVisitor#visitFrame}.
      */
    private void declareFrameTypes(final int numTypes, final Object[] frameTypes) {
        for (int i = 0; i < numTypes; ++i) {
            if (frameTypes[i] instanceof Label) {
                declareLabel((Label) frameTypes[i]);
            }
        }
    }

    
Appends the given stack map frame types to Printer.stringBuilder. 
Params:
numTypes – the number of stack map frame types in 'frameTypes'.
frameTypes – an array of stack map frame types, in the format described in MethodVisitor.visitFrame./**
      * Appends the given stack map frame types to {@link #stringBuilder}.
      *
      * @param numTypes the number of stack map frame types in 'frameTypes'.
      * @param frameTypes an array of stack map frame types, in the format described in {@link
      *     jdk.internal.org.objectweb.asm.MethodVisitor#visitFrame}.
      */
    private void appendFrameTypes(final int numTypes, final Object[] frameTypes) {
        for (int i = 0; i < numTypes; ++i) {
            if (i > 0) {
                stringBuilder.append(", ");
            }
            if (frameTypes[i] instanceof String) {
                appendConstant(frameTypes[i]);
            } else if (frameTypes[i] instanceof Integer) {
                stringBuilder.append(FRAME_TYPES.get(((Integer) frameTypes[i]).intValue()));
            } else {
                appendLabel((Label) frameTypes[i]);
            }
        }
    }

    
Appends a declaration of the given label to Printer.stringBuilder. This declaration is of the form "Label labelXXX = new Label();". Does nothing if the given label has already been declared. 
Params:
label – a label./**
      * Appends a declaration of the given label to {@link #stringBuilder}. This declaration is of the
      * form "Label labelXXX = new Label();". Does nothing if the given label has already been
      * declared.
      *
      * @param label a label.
      */
    protected void declareLabel(final Label label) {
        if (labelNames == null) {
            labelNames = new HashMap<>();
        }
        String labelName = labelNames.get(label);
        if (labelName == null) {
            labelName = "label" + labelNames.size();
            labelNames.put(label, labelName);
            stringBuilder.append("Label ").append(labelName).append(" = new Label();\n");
        }
    }

    
Appends the name of the given label to Printer.stringBuilder. The given label must already have a name. One way to ensure this is to always call declareLabel before calling this method. 
Params:
label – a label./**
      * Appends the name of the given label to {@link #stringBuilder}. The given label <i>must</i>
      * already have a name. One way to ensure this is to always call {@link #declareLabel} before
      * calling this method.
      *
      * @param label a label.
      */
    protected void appendLabel(final Label label) {
        stringBuilder.append(labelNames.get(label));
    }
}