// Copyright (c) 2024, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/**
 * Dump of class file for twr.twraddsuppressed.TestClass
 *
 * <p>*
 *
 * <p>This is used to get the JDK-9 javac code with `$closeResource`, which `-target 9` for later
 * javac versions does not produce.
 *
 * <p>package twr.twraddsuppressed;
 *
 * <p>import java.io.Closeable;
 *
 * <p>public class TestClass {
 *
 * <p>public static class MyClosable implements Closeable { @Override public void close() { throw
 * new RuntimeException("CLOSE"); } }
 *
 * <p>public static void foo() { throw new RuntimeException("FOO"); }
 *
 * <p>public static void bar() { // NOTE: The $closeResource helper is _only_ generated by the JDK-9
 * compiler. // // Use twr twice to have javac generate a shared $closeResource helper. try
 * (MyClosable closable = new MyClosable()) { foo(); } try (MyClosable closable = new MyClosable())
 * { foo(); } }
 *
 * <p>public static void main(String[] args) { try { bar(); } catch (Exception e) { Throwable[]
 * suppressed = e.getSuppressed(); if (suppressed.length == 0) { System.out.println("NONE"); } else
 * { for (Throwable throwable : suppressed) { System.out.println(throwable.getMessage()); } } } } }
 */
package twr.twraddsuppressed.asm;

import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.RecordComponentVisitor;

public class TestClassDump implements Opcodes {

  public static byte[] dump() throws Exception {

    ClassWriter classWriter = new ClassWriter(0);
    FieldVisitor fieldVisitor;
    RecordComponentVisitor recordComponentVisitor;
    MethodVisitor methodVisitor;
    AnnotationVisitor annotationVisitor0;

    classWriter.visit(
        V9,
        ACC_PUBLIC | ACC_SUPER,
        "twr/twraddsuppressed/TestClass",
        null,
        "java/lang/Object",
        null);

    classWriter.visitSource("TestClass.java", null);

    classWriter.visitInnerClass(
        "twr/twraddsuppressed/TestClass$MyClosable",
        "twr/twraddsuppressed/TestClass",
        "MyClosable",
        ACC_PUBLIC | ACC_STATIC);

    {
      methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
      methodVisitor.visitCode();
      Label label0 = new Label();
      methodVisitor.visitLabel(label0);
      methodVisitor.visitLineNumber(8, label0);
      methodVisitor.visitVarInsn(ALOAD, 0);
      methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
      methodVisitor.visitInsn(RETURN);
      Label label1 = new Label();
      methodVisitor.visitLabel(label1);
      methodVisitor.visitLocalVariable(
          "this", "Ltwraddsuppressed/TestClass;", null, label0, label1, 0);
      methodVisitor.visitMaxs(1, 1);
      methodVisitor.visitEnd();
    }
    {
      methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_STATIC, "foo", "()V", null, null);
      methodVisitor.visitCode();
      Label label0 = new Label();
      methodVisitor.visitLabel(label0);
      methodVisitor.visitLineNumber(19, label0);
      methodVisitor.visitTypeInsn(NEW, "java/lang/RuntimeException");
      methodVisitor.visitInsn(DUP);
      methodVisitor.visitLdcInsn("FOO");
      methodVisitor.visitMethodInsn(
          INVOKESPECIAL, "java/lang/RuntimeException", "<init>", "(Ljava/lang/String;)V", false);
      methodVisitor.visitInsn(ATHROW);
      methodVisitor.visitMaxs(3, 0);
      methodVisitor.visitEnd();
    }
    {
      methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_STATIC, "bar", "()V", null, null);
      methodVisitor.visitCode();
      Label label0 = new Label();
      Label label1 = new Label();
      Label label2 = new Label();
      methodVisitor.visitTryCatchBlock(label0, label1, label2, "java/lang/Throwable");
      Label label3 = new Label();
      methodVisitor.visitTryCatchBlock(label0, label1, label3, null);
      Label label4 = new Label();
      methodVisitor.visitTryCatchBlock(label2, label4, label3, null);
      Label label5 = new Label();
      Label label6 = new Label();
      Label label7 = new Label();
      methodVisitor.visitTryCatchBlock(label5, label6, label7, "java/lang/Throwable");
      Label label8 = new Label();
      methodVisitor.visitTryCatchBlock(label5, label6, label8, null);
      Label label9 = new Label();
      methodVisitor.visitTryCatchBlock(label7, label9, label8, null);
      Label label10 = new Label();
      methodVisitor.visitLabel(label10);
      methodVisitor.visitLineNumber(24, label10);
      methodVisitor.visitTypeInsn(NEW, "twr/twraddsuppressed/TestClass$MyClosable");
      methodVisitor.visitInsn(DUP);
      methodVisitor.visitMethodInsn(
          INVOKESPECIAL, "twr/twraddsuppressed/TestClass$MyClosable", "<init>", "()V", false);
      methodVisitor.visitVarInsn(ASTORE, 0);
      Label label11 = new Label();
      methodVisitor.visitLabel(label11);
      methodVisitor.visitInsn(ACONST_NULL);
      methodVisitor.visitVarInsn(ASTORE, 1);
      methodVisitor.visitLabel(label0);
      methodVisitor.visitLineNumber(25, label0);
      methodVisitor.visitMethodInsn(
          INVOKESTATIC, "twr/twraddsuppressed/TestClass", "foo", "()V", false);
      methodVisitor.visitLabel(label1);
      methodVisitor.visitLineNumber(26, label1);
      methodVisitor.visitVarInsn(ALOAD, 1);
      methodVisitor.visitVarInsn(ALOAD, 0);
      methodVisitor.visitMethodInsn(
          INVOKESTATIC,
          "twr/twraddsuppressed/TestClass",
          "$closeResource",
          "(Ljava/lang/Throwable;Ljava/lang/AutoCloseable;)V",
          false);
      Label label12 = new Label();
      methodVisitor.visitJumpInsn(GOTO, label12);
      methodVisitor.visitLabel(label2);
      methodVisitor.visitLineNumber(24, label2);
      methodVisitor.visitFrame(
          Opcodes.F_FULL,
          2,
          new Object[] {"twr/twraddsuppressed/TestClass$MyClosable", "java/lang/Throwable"},
          1,
          new Object[] {"java/lang/Throwable"});
      methodVisitor.visitVarInsn(ASTORE, 2);
      methodVisitor.visitVarInsn(ALOAD, 2);
      methodVisitor.visitVarInsn(ASTORE, 1);
      methodVisitor.visitVarInsn(ALOAD, 2);
      methodVisitor.visitInsn(ATHROW);
      methodVisitor.visitLabel(label3);
      methodVisitor.visitLineNumber(26, label3);
      methodVisitor.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/Throwable"});
      methodVisitor.visitVarInsn(ASTORE, 3);
      methodVisitor.visitLabel(label4);
      methodVisitor.visitVarInsn(ALOAD, 1);
      methodVisitor.visitVarInsn(ALOAD, 0);
      methodVisitor.visitMethodInsn(
          INVOKESTATIC,
          "twr/twraddsuppressed/TestClass",
          "$closeResource",
          "(Ljava/lang/Throwable;Ljava/lang/AutoCloseable;)V",
          false);
      methodVisitor.visitVarInsn(ALOAD, 3);
      methodVisitor.visitInsn(ATHROW);
      methodVisitor.visitLabel(label12);
      methodVisitor.visitLineNumber(27, label12);
      methodVisitor.visitFrame(Opcodes.F_CHOP, 2, null, 0, null);
      methodVisitor.visitTypeInsn(NEW, "twr/twraddsuppressed/TestClass$MyClosable");
      methodVisitor.visitInsn(DUP);
      methodVisitor.visitMethodInsn(
          INVOKESPECIAL, "twr/twraddsuppressed/TestClass$MyClosable", "<init>", "()V", false);
      methodVisitor.visitVarInsn(ASTORE, 0);
      Label label13 = new Label();
      methodVisitor.visitLabel(label13);
      methodVisitor.visitInsn(ACONST_NULL);
      methodVisitor.visitVarInsn(ASTORE, 1);
      methodVisitor.visitLabel(label5);
      methodVisitor.visitLineNumber(28, label5);
      methodVisitor.visitMethodInsn(
          INVOKESTATIC, "twr/twraddsuppressed/TestClass", "foo", "()V", false);
      methodVisitor.visitLabel(label6);
      methodVisitor.visitLineNumber(29, label6);
      methodVisitor.visitVarInsn(ALOAD, 1);
      methodVisitor.visitVarInsn(ALOAD, 0);
      methodVisitor.visitMethodInsn(
          INVOKESTATIC,
          "twr/twraddsuppressed/TestClass",
          "$closeResource",
          "(Ljava/lang/Throwable;Ljava/lang/AutoCloseable;)V",
          false);
      Label label14 = new Label();
      methodVisitor.visitJumpInsn(GOTO, label14);
      methodVisitor.visitLabel(label7);
      methodVisitor.visitLineNumber(27, label7);
      methodVisitor.visitFrame(
          Opcodes.F_FULL,
          2,
          new Object[] {"twr/twraddsuppressed/TestClass$MyClosable", "java/lang/Throwable"},
          1,
          new Object[] {"java/lang/Throwable"});
      methodVisitor.visitVarInsn(ASTORE, 2);
      methodVisitor.visitVarInsn(ALOAD, 2);
      methodVisitor.visitVarInsn(ASTORE, 1);
      methodVisitor.visitVarInsn(ALOAD, 2);
      methodVisitor.visitInsn(ATHROW);
      methodVisitor.visitLabel(label8);
      methodVisitor.visitLineNumber(29, label8);
      methodVisitor.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/Throwable"});
      methodVisitor.visitVarInsn(ASTORE, 4);
      methodVisitor.visitLabel(label9);
      methodVisitor.visitVarInsn(ALOAD, 1);
      methodVisitor.visitVarInsn(ALOAD, 0);
      methodVisitor.visitMethodInsn(
          INVOKESTATIC,
          "twr/twraddsuppressed/TestClass",
          "$closeResource",
          "(Ljava/lang/Throwable;Ljava/lang/AutoCloseable;)V",
          false);
      methodVisitor.visitVarInsn(ALOAD, 4);
      methodVisitor.visitInsn(ATHROW);
      methodVisitor.visitLabel(label14);
      methodVisitor.visitLineNumber(30, label14);
      methodVisitor.visitFrame(Opcodes.F_CHOP, 2, null, 0, null);
      methodVisitor.visitInsn(RETURN);
      methodVisitor.visitLocalVariable(
          "closable", "Ltwraddsuppressed/TestClass$MyClosable;", null, label11, label12, 0);
      methodVisitor.visitLocalVariable(
          "closable", "Ltwraddsuppressed/TestClass$MyClosable;", null, label13, label14, 0);
      methodVisitor.visitMaxs(2, 5);
      methodVisitor.visitEnd();
    }
    {
      methodVisitor =
          classWriter.visitMethod(
              ACC_PUBLIC | ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null);
      methodVisitor.visitCode();
      Label label0 = new Label();
      Label label1 = new Label();
      Label label2 = new Label();
      methodVisitor.visitTryCatchBlock(label0, label1, label2, "java/lang/Exception");
      methodVisitor.visitLabel(label0);
      methodVisitor.visitLineNumber(34, label0);
      methodVisitor.visitMethodInsn(
          INVOKESTATIC, "twr/twraddsuppressed/TestClass", "bar", "()V", false);
      methodVisitor.visitLabel(label1);
      methodVisitor.visitLineNumber(44, label1);
      Label label3 = new Label();
      methodVisitor.visitJumpInsn(GOTO, label3);
      methodVisitor.visitLabel(label2);
      methodVisitor.visitLineNumber(35, label2);
      methodVisitor.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/Exception"});
      methodVisitor.visitVarInsn(ASTORE, 1);
      Label label4 = new Label();
      methodVisitor.visitLabel(label4);
      methodVisitor.visitLineNumber(36, label4);
      methodVisitor.visitVarInsn(ALOAD, 1);
      methodVisitor.visitMethodInsn(
          INVOKEVIRTUAL, "java/lang/Exception", "getSuppressed", "()[Ljava/lang/Throwable;", false);
      methodVisitor.visitVarInsn(ASTORE, 2);
      Label label5 = new Label();
      methodVisitor.visitLabel(label5);
      methodVisitor.visitLineNumber(37, label5);
      methodVisitor.visitVarInsn(ALOAD, 2);
      methodVisitor.visitInsn(ARRAYLENGTH);
      Label label6 = new Label();
      methodVisitor.visitJumpInsn(IFNE, label6);
      Label label7 = new Label();
      methodVisitor.visitLabel(label7);
      methodVisitor.visitLineNumber(38, label7);
      methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
      methodVisitor.visitLdcInsn("NONE");
      methodVisitor.visitMethodInsn(
          INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
      methodVisitor.visitJumpInsn(GOTO, label3);
      methodVisitor.visitLabel(label6);
      methodVisitor.visitLineNumber(40, label6);
      methodVisitor.visitFrame(
          Opcodes.F_APPEND,
          2,
          new Object[] {"java/lang/Exception", "[Ljava/lang/Throwable;"},
          0,
          null);
      methodVisitor.visitVarInsn(ALOAD, 2);
      methodVisitor.visitVarInsn(ASTORE, 3);
      methodVisitor.visitVarInsn(ALOAD, 3);
      methodVisitor.visitInsn(ARRAYLENGTH);
      methodVisitor.visitVarInsn(ISTORE, 4);
      methodVisitor.visitInsn(ICONST_0);
      methodVisitor.visitVarInsn(ISTORE, 5);
      Label label8 = new Label();
      methodVisitor.visitLabel(label8);
      methodVisitor.visitFrame(
          Opcodes.F_APPEND,
          3,
          new Object[] {"[Ljava/lang/Throwable;", Opcodes.INTEGER, Opcodes.INTEGER},
          0,
          null);
      methodVisitor.visitVarInsn(ILOAD, 5);
      methodVisitor.visitVarInsn(ILOAD, 4);
      methodVisitor.visitJumpInsn(IF_ICMPGE, label3);
      methodVisitor.visitVarInsn(ALOAD, 3);
      methodVisitor.visitVarInsn(ILOAD, 5);
      methodVisitor.visitInsn(AALOAD);
      methodVisitor.visitVarInsn(ASTORE, 6);
      Label label9 = new Label();
      methodVisitor.visitLabel(label9);
      methodVisitor.visitLineNumber(41, label9);
      methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
      methodVisitor.visitVarInsn(ALOAD, 6);
      methodVisitor.visitMethodInsn(
          INVOKEVIRTUAL, "java/lang/Throwable", "getMessage", "()Ljava/lang/String;", false);
      methodVisitor.visitMethodInsn(
          INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
      Label label10 = new Label();
      methodVisitor.visitLabel(label10);
      methodVisitor.visitLineNumber(40, label10);
      methodVisitor.visitIincInsn(5, 1);
      methodVisitor.visitJumpInsn(GOTO, label8);
      methodVisitor.visitLabel(label3);
      methodVisitor.visitLineNumber(45, label3);
      methodVisitor.visitFrame(
          Opcodes.F_FULL, 1, new Object[] {"[Ljava/lang/String;"}, 0, new Object[] {});
      methodVisitor.visitInsn(RETURN);
      Label label11 = new Label();
      methodVisitor.visitLabel(label11);
      methodVisitor.visitLocalVariable(
          "throwable", "Ljava/lang/Throwable;", null, label9, label10, 6);
      methodVisitor.visitLocalVariable(
          "suppressed", "[Ljava/lang/Throwable;", null, label5, label3, 2);
      methodVisitor.visitLocalVariable("e", "Ljava/lang/Exception;", null, label4, label3, 1);
      methodVisitor.visitLocalVariable("args", "[Ljava/lang/String;", null, label0, label11, 0);
      methodVisitor.visitMaxs(2, 7);
      methodVisitor.visitEnd();
    }
    {
      methodVisitor =
          classWriter.visitMethod(
              ACC_PRIVATE | ACC_STATIC | ACC_SYNTHETIC,
              "$closeResource",
              "(Ljava/lang/Throwable;Ljava/lang/AutoCloseable;)V",
              null,
              null);
      methodVisitor.visitCode();
      Label label0 = new Label();
      Label label1 = new Label();
      Label label2 = new Label();
      methodVisitor.visitTryCatchBlock(label0, label1, label2, "java/lang/Throwable");
      Label label3 = new Label();
      methodVisitor.visitLabel(label3);
      methodVisitor.visitLineNumber(26, label3);
      methodVisitor.visitVarInsn(ALOAD, 0);
      Label label4 = new Label();
      methodVisitor.visitJumpInsn(IFNULL, label4);
      methodVisitor.visitLabel(label0);
      methodVisitor.visitVarInsn(ALOAD, 1);
      methodVisitor.visitMethodInsn(
          INVOKEINTERFACE, "java/lang/AutoCloseable", "close", "()V", true);
      methodVisitor.visitLabel(label1);
      Label label5 = new Label();
      methodVisitor.visitJumpInsn(GOTO, label5);
      methodVisitor.visitLabel(label2);
      methodVisitor.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/Throwable"});
      methodVisitor.visitVarInsn(ASTORE, 2);
      methodVisitor.visitVarInsn(ALOAD, 0);
      methodVisitor.visitVarInsn(ALOAD, 2);
      methodVisitor.visitMethodInsn(
          INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed", "(Ljava/lang/Throwable;)V", false);
      methodVisitor.visitJumpInsn(GOTO, label5);
      methodVisitor.visitLabel(label4);
      methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
      methodVisitor.visitVarInsn(ALOAD, 1);
      methodVisitor.visitMethodInsn(
          INVOKEINTERFACE, "java/lang/AutoCloseable", "close", "()V", true);
      methodVisitor.visitLabel(label5);
      methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
      methodVisitor.visitInsn(RETURN);
      Label label6 = new Label();
      methodVisitor.visitLabel(label6);
      methodVisitor.visitLocalVariable("x0", "Ljava/lang/Throwable;", null, label3, label6, 0);
      methodVisitor.visitLocalVariable("x1", "Ljava/lang/AutoCloseable;", null, label3, label6, 1);
      methodVisitor.visitMaxs(2, 3);
      methodVisitor.visitEnd();
    }
    classWriter.visitEnd();

    return classWriter.toByteArray();
  }
}