Semicompiled

package com.zarbosoft.semicompiled;

class Main {
  public static void myMain() {
    short x;
    x = 0;
    x = 1;
    x = 2;
    x = 3;
    x = 4;
    x = 5;
    x = 6;
    x = 7;
    x = 8;
    x = 9;
    x = 10;
    x = -1;
    x = -2;
    x = -3;
    x = -4;
    x = -5;
    x = -6;
    x = -7;
    x = -8;
    x = -9;
    x = -10;
    ;
  }
}

Classfile /tmp/semicompiled-hi7uEmKj-03r350PB-5177690862027598320/com/zarbosoft/semicompiled/Main.class
  Last modified Jun 2, 2024; size 238 bytes
  MD5 checksum 740e45866e513352694eefafde999aa5
class com.zarbosoft.semicompiled.Main
  minor version: 0
  major version: 52
  flags: (0x0020) ACC_SUPER
  this_class: #2                          // com/zarbosoft/semicompiled/Main
  super_class: #3                         // java/lang/Object
  interfaces: 0, fields: 0, methods: 2, attributes: 0
Constant pool:
   #1 = Methodref          #3.#8          // java/lang/Object."<init>":()V
   #2 = Class              #9             // com/zarbosoft/semicompiled/Main
   #3 = Class              #10            // java/lang/Object
   #4 = Utf8               <init>
   #5 = Utf8               ()V
   #6 = Utf8               Code
   #7 = Utf8               myMain
   #8 = NameAndType        #4:#5          // "<init>":()V
   #9 = Utf8               com/zarbosoft/semicompiled/Main
  #10 = Utf8               java/lang/Object
{
  com.zarbosoft.semicompiled.Main();
    descriptor: ()V
    flags: (0x0000)
    Code:
      stack=1, locals=1, args_size=1
         0: aload_0
         1: invokespecial #1                  // Method java/lang/Object."<init>":()V
         4: return

  public static void myMain();
    descriptor: ()V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=0
         0: iconst_0
         1: istore_0
         2: iconst_1
         3: istore_0
         4: iconst_2
         5: istore_0
         6: iconst_3
         7: istore_0
         8: iconst_4
         9: istore_0
        10: iconst_5
        11: istore_0
        12: bipush        6
        14: istore_0
        15: bipush        7
        17: istore_0
        18: bipush        8
        20: istore_0
        21: bipush        9
        23: istore_0
        24: bipush        10
        26: istore_0
        27: iconst_m1
        28: istore_0
        29: bipush        -2
        31: istore_0
        32: bipush        -3
        34: istore_0
        35: bipush        -4
        37: istore_0
        38: bipush        -5
        40: istore_0
        41: bipush        -6
        43: istore_0
        44: bipush        -7
        46: istore_0
        47: bipush        -8
        49: istore_0
        50: bipush        -9
        52: istore_0
        53: bipush        -10
        55: istore_0
        56: return
}

package asm.com.zarbosoft.semicompiled;

import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.ConstantDynamic;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.Handle;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.RecordComponentVisitor;
import org.objectweb.asm.Type;
import org.objectweb.asm.TypePath;

public class MainDump implements Opcodes {

  public static byte[] dump() throws Exception {

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

    classWriter.visit(
        V1_8, ACC_SUPER, "com/zarbosoft/semicompiled/Main", null, "java/lang/Object", null);

    {
      methodVisitor = classWriter.visitMethod(0, "<init>", "()V", null, null);
      methodVisitor.visitCode();
      methodVisitor.visitVarInsn(ALOAD, 0);
      methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
      methodVisitor.visitInsn(RETURN);
      methodVisitor.visitMaxs(1, 1);
      methodVisitor.visitEnd();
    }
    {
      methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_STATIC, "myMain", "()V", null, null);
      methodVisitor.visitCode();
      methodVisitor.visitInsn(ICONST_0);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(ICONST_1);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(ICONST_2);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(ICONST_3);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(ICONST_4);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(ICONST_5);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, 6);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, 7);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, 8);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, 9);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, 10);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(ICONST_M1);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -2);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -3);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -4);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -5);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -6);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -7);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -8);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -9);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -10);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(RETURN);
      methodVisitor.visitMaxs(1, 1);
      methodVisitor.visitEnd();
    }
    classWriter.visitEnd();

    return classWriter.toByteArray();
  }
}

Classfile /tmp/semicompiled-hi7uEmKj-03r350PB-5177690862027598320/com/zarbosoft/semicompiled/Main.class
  Last modified Jun 2, 2024; size 425 bytes
  MD5 checksum 72faabce90ad804ea5bf1592cc8f1db0
  Compiled from "Main.java"
class com.zarbosoft.semicompiled.Main
  minor version: 0
  major version: 52
  flags: (0x0020) ACC_SUPER
  this_class: #2                          // com/zarbosoft/semicompiled/Main
  super_class: #3                         // java/lang/Object
  interfaces: 0, fields: 0, methods: 2, attributes: 1
Constant pool:
   #1 = Methodref          #3.#16         // java/lang/Object."<init>":()V
   #2 = Class              #17            // com/zarbosoft/semicompiled/Main
   #3 = Class              #18            // java/lang/Object
   #4 = Utf8               <init>
   #5 = Utf8               ()V
   #6 = Utf8               Code
   #7 = Utf8               LineNumberTable
   #8 = Utf8               LocalVariableTable
   #9 = Utf8               this
  #10 = Utf8               Lcom/zarbosoft/semicompiled/Main;
  #11 = Utf8               myMain
  #12 = Utf8               x
  #13 = Utf8               S
  #14 = Utf8               SourceFile
  #15 = Utf8               Main.java
  #16 = NameAndType        #4:#5          // "<init>":()V
  #17 = Utf8               com/zarbosoft/semicompiled/Main
  #18 = Utf8               java/lang/Object
{
  com.zarbosoft.semicompiled.Main();
    descriptor: ()V
    flags: (0x0000)
    Code:
      stack=1, locals=1, args_size=1
         0: aload_0
         1: invokespecial #1                  // Method java/lang/Object."<init>":()V
         4: return
      LineNumberTable:
        line 3: 0
      LocalVariableTable:
        Start  Length  Slot  Name   Signature
            0       5     0  this   Lcom/zarbosoft/semicompiled/Main;

  public static void myMain();
    descriptor: ()V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=0
         0: iconst_0
         1: istore_0
         2: iconst_1
         3: istore_0
         4: iconst_2
         5: istore_0
         6: iconst_3
         7: istore_0
         8: iconst_4
         9: istore_0
        10: iconst_5
        11: istore_0
        12: bipush        6
        14: istore_0
        15: bipush        7
        17: istore_0
        18: bipush        8
        20: istore_0
        21: bipush        9
        23: istore_0
        24: bipush        10
        26: istore_0
        27: iconst_m1
        28: istore_0
        29: bipush        -2
        31: istore_0
        32: bipush        -3
        34: istore_0
        35: bipush        -4
        37: istore_0
        38: bipush        -5
        40: istore_0
        41: bipush        -6
        43: istore_0
        44: bipush        -7
        46: istore_0
        47: bipush        -8
        49: istore_0
        50: bipush        -9
        52: istore_0
        53: bipush        -10
        55: istore_0
        56: return
      LineNumberTable:
        line 5: 0
        line 6: 56
      LocalVariableTable:
        Start  Length  Slot  Name   Signature
            2      55     0     x   S
}
SourceFile: "Main.java"

package asm.com.zarbosoft.semicompiled;

import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.ConstantDynamic;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.Handle;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.RecordComponentVisitor;
import org.objectweb.asm.Type;
import org.objectweb.asm.TypePath;

public class MainDump implements Opcodes {

  public static byte[] dump() throws Exception {

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

    classWriter.visit(
        V1_8, ACC_SUPER, "com/zarbosoft/semicompiled/Main", null, "java/lang/Object", null);

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

    {
      methodVisitor = classWriter.visitMethod(0, "<init>", "()V", null, null);
      methodVisitor.visitCode();
      Label label0 = new Label();
      methodVisitor.visitLabel(label0);
      methodVisitor.visitLineNumber(3, 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", "Lcom/zarbosoft/semicompiled/Main;", null, label0, label1, 0);
      methodVisitor.visitMaxs(1, 1);
      methodVisitor.visitEnd();
    }
    {
      methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_STATIC, "myMain", "()V", null, null);
      methodVisitor.visitCode();
      Label label0 = new Label();
      methodVisitor.visitLabel(label0);
      methodVisitor.visitLineNumber(5, label0);
      methodVisitor.visitInsn(ICONST_0);
      methodVisitor.visitVarInsn(ISTORE, 0);
      Label label1 = new Label();
      methodVisitor.visitLabel(label1);
      methodVisitor.visitInsn(ICONST_1);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(ICONST_2);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(ICONST_3);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(ICONST_4);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(ICONST_5);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, 6);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, 7);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, 8);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, 9);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, 10);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitInsn(ICONST_M1);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -2);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -3);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -4);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -5);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -6);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -7);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -8);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -9);
      methodVisitor.visitVarInsn(ISTORE, 0);
      methodVisitor.visitIntInsn(BIPUSH, -10);
      methodVisitor.visitVarInsn(ISTORE, 0);
      Label label2 = new Label();
      methodVisitor.visitLabel(label2);
      methodVisitor.visitLineNumber(6, label2);
      methodVisitor.visitInsn(RETURN);
      Label label3 = new Label();
      methodVisitor.visitLabel(label3);
      methodVisitor.visitLocalVariable("x", "S", null, label1, label3, 0);
      methodVisitor.visitMaxs(1, 1);
      methodVisitor.visitEnd();
    }
    classWriter.visitEnd();

    return classWriter.toByteArray();
  }
}