package com.zarbosoft.semicompiled;
import java.lang.String;
class Main {
public static void main(String[] args) {
new MyClass();
}
}
Classfile /tmp/semicompiled-7i18wrTj-792836825498153576/com/zarbosoft/semicompiled/Main.class
Last modified Jun 2, 2024; size 295 bytes
MD5 checksum 77c7691e26a27dae5ea725fb559afb07
class com.zarbosoft.semicompiled.Main
minor version: 0
major version: 52
flags: (0x0020) ACC_SUPER
this_class: #4 // com/zarbosoft/semicompiled/Main
super_class: #5 // java/lang/Object
interfaces: 0, fields: 0, methods: 2, attributes: 0
Constant pool:
#1 = Methodref #5.#13 // java/lang/Object."<init>":()V
#2 = Class #14 // com/zarbosoft/semicompiled/MyClass
#3 = Methodref #2.#13 // com/zarbosoft/semicompiled/MyClass."<init>":()V
#4 = Class #15 // com/zarbosoft/semicompiled/Main
#5 = Class #16 // java/lang/Object
#6 = Utf8 <init>
#7 = Utf8 ()V
#8 = Utf8 Code
#9 = Utf8 main
#10 = Utf8 ([Ljava/lang/String;)V
#11 = Utf8 MethodParameters
#12 = Utf8 args
#13 = NameAndType #6:#7 // "<init>":()V
#14 = Utf8 com/zarbosoft/semicompiled/MyClass
#15 = Utf8 com/zarbosoft/semicompiled/Main
#16 = 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 main(java.lang.String[]);
descriptor: ([Ljava/lang/String;)V
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=1, args_size=1
0: new #2 // class com/zarbosoft/semicompiled/MyClass
3: dup
4: invokespecial #3 // Method com/zarbosoft/semicompiled/MyClass."<init>":()V
7: pop
8: return
MethodParameters:
Name Flags
args
}
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, "main", "([Ljava/lang/String;)V", null, null);
methodVisitor.visitParameter("args", 0);
methodVisitor.visitCode();
methodVisitor.visitTypeInsn(NEW, "com/zarbosoft/semicompiled/MyClass");
methodVisitor.visitInsn(DUP);
methodVisitor.visitMethodInsn(
INVOKESPECIAL, "com/zarbosoft/semicompiled/MyClass", "<init>", "()V", false);
methodVisitor.visitInsn(POP);
methodVisitor.visitInsn(RETURN);
methodVisitor.visitMaxs(2, 1);
methodVisitor.visitEnd();
}
classWriter.visitEnd();
return classWriter.toByteArray();
}
}
Classfile /tmp/semicompiled-7i18wrTj-792836825498153576/com/zarbosoft/semicompiled/Main.class
Last modified Jun 2, 2024; size 496 bytes
MD5 checksum 6083d6b1d0b648170b4cae1f0e8d3832
Compiled from "Main.java"
class com.zarbosoft.semicompiled.Main
minor version: 0
major version: 52
flags: (0x0020) ACC_SUPER
this_class: #4 // com/zarbosoft/semicompiled/Main
super_class: #5 // java/lang/Object
interfaces: 0, fields: 0, methods: 2, attributes: 1
Constant pool:
#1 = Methodref #5.#20 // java/lang/Object."<init>":()V
#2 = Class #21 // com/zarbosoft/semicompiled/MyClass
#3 = Methodref #2.#20 // com/zarbosoft/semicompiled/MyClass."<init>":()V
#4 = Class #22 // com/zarbosoft/semicompiled/Main
#5 = Class #23 // java/lang/Object
#6 = Utf8 <init>
#7 = Utf8 ()V
#8 = Utf8 Code
#9 = Utf8 LineNumberTable
#10 = Utf8 LocalVariableTable
#11 = Utf8 this
#12 = Utf8 Lcom/zarbosoft/semicompiled/Main;
#13 = Utf8 main
#14 = Utf8 ([Ljava/lang/String;)V
#15 = Utf8 args
#16 = Utf8 [Ljava/lang/String;
#17 = Utf8 MethodParameters
#18 = Utf8 SourceFile
#19 = Utf8 Main.java
#20 = NameAndType #6:#7 // "<init>":()V
#21 = Utf8 com/zarbosoft/semicompiled/MyClass
#22 = Utf8 com/zarbosoft/semicompiled/Main
#23 = 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 5: 0
LocalVariableTable:
Start Length Slot Name Signature
0 5 0 this Lcom/zarbosoft/semicompiled/Main;
public static void main(java.lang.String[]);
descriptor: ([Ljava/lang/String;)V
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=1, args_size=1
0: new #2 // class com/zarbosoft/semicompiled/MyClass
3: dup
4: invokespecial #3 // Method com/zarbosoft/semicompiled/MyClass."<init>":()V
7: pop
8: return
LineNumberTable:
line 7: 0
line 8: 8
LocalVariableTable:
Start Length Slot Name Signature
0 9 0 args [Ljava/lang/String;
MethodParameters:
Name Flags
args
}
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(5, 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, "main", "([Ljava/lang/String;)V", null, null);
methodVisitor.visitParameter("args", 0);
methodVisitor.visitCode();
Label label0 = new Label();
methodVisitor.visitLabel(label0);
methodVisitor.visitLineNumber(7, label0);
methodVisitor.visitTypeInsn(NEW, "com/zarbosoft/semicompiled/MyClass");
methodVisitor.visitInsn(DUP);
methodVisitor.visitMethodInsn(
INVOKESPECIAL, "com/zarbosoft/semicompiled/MyClass", "<init>", "()V", false);
methodVisitor.visitInsn(POP);
Label label1 = new Label();
methodVisitor.visitLabel(label1);
methodVisitor.visitLineNumber(8, label1);
methodVisitor.visitInsn(RETURN);
Label label2 = new Label();
methodVisitor.visitLabel(label2);
methodVisitor.visitLocalVariable("args", "[Ljava/lang/String;", null, label0, label2, 0);
methodVisitor.visitMaxs(2, 1);
methodVisitor.visitEnd();
}
classWriter.visitEnd();
return classWriter.toByteArray();
}
}
package com.zarbosoft.semicompiled;
class MyClass {
MyClass() {
int x = 4;
}
}
Classfile /tmp/semicompiled-7i18wrTj-792836825498153576/com/zarbosoft/semicompiled/MyClass.class
Last modified Jun 2, 2024; size 151 bytes
MD5 checksum 38f5c8aedea8f9c71a37688e1d875f58
class com.zarbosoft.semicompiled.MyClass
minor version: 0
major version: 52
flags: (0x0020) ACC_SUPER
this_class: #2 // com/zarbosoft/semicompiled/MyClass
super_class: #3 // java/lang/Object
interfaces: 0, fields: 0, methods: 1, attributes: 0
Constant pool:
#1 = Methodref #3.#7 // java/lang/Object."<init>":()V
#2 = Class #8 // com/zarbosoft/semicompiled/MyClass
#3 = Class #9 // java/lang/Object
#4 = Utf8 <init>
#5 = Utf8 ()V
#6 = Utf8 Code
#7 = NameAndType #4:#5 // "<init>":()V
#8 = Utf8 com/zarbosoft/semicompiled/MyClass
#9 = Utf8 java/lang/Object
{
com.zarbosoft.semicompiled.MyClass();
descriptor: ()V
flags: (0x0000)
Code:
stack=1, locals=2, args_size=1
0: aload_0
1: invokespecial #1 // Method java/lang/Object."<init>":()V
4: iconst_4
5: istore_1
6: 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 MyClassDump 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/MyClass", 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(ICONST_4);
methodVisitor.visitVarInsn(ISTORE, 1);
methodVisitor.visitInsn(RETURN);
methodVisitor.visitMaxs(1, 2);
methodVisitor.visitEnd();
}
classWriter.visitEnd();
return classWriter.toByteArray();
}
}
Classfile /tmp/semicompiled-7i18wrTj-792836825498153576/com/zarbosoft/semicompiled/MyClass.class
Last modified Jun 2, 2024; size 328 bytes
MD5 checksum 3ef48def6d2b71a6759ea03636438708
Compiled from "MyClass.java"
class com.zarbosoft.semicompiled.MyClass
minor version: 0
major version: 52
flags: (0x0020) ACC_SUPER
this_class: #2 // com/zarbosoft/semicompiled/MyClass
super_class: #3 // java/lang/Object
interfaces: 0, fields: 0, methods: 1, attributes: 1
Constant pool:
#1 = Methodref #3.#15 // java/lang/Object."<init>":()V
#2 = Class #16 // com/zarbosoft/semicompiled/MyClass
#3 = Class #17 // 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/MyClass;
#11 = Utf8 x
#12 = Utf8 I
#13 = Utf8 SourceFile
#14 = Utf8 MyClass.java
#15 = NameAndType #4:#5 // "<init>":()V
#16 = Utf8 com/zarbosoft/semicompiled/MyClass
#17 = Utf8 java/lang/Object
{
com.zarbosoft.semicompiled.MyClass();
descriptor: ()V
flags: (0x0000)
Code:
stack=1, locals=2, args_size=1
0: aload_0
1: invokespecial #1 // Method java/lang/Object."<init>":()V
4: iconst_4
5: istore_1
6: return
LineNumberTable:
line 4: 0
line 5: 4
line 6: 6
LocalVariableTable:
Start Length Slot Name Signature
0 7 0 this Lcom/zarbosoft/semicompiled/MyClass;
6 1 1 x I
}
SourceFile: "MyClass.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 MyClassDump 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/MyClass", null, "java/lang/Object", null);
classWriter.visitSource("MyClass.java", null);
{
methodVisitor = classWriter.visitMethod(0, "<init>", "()V", null, null);
methodVisitor.visitCode();
Label label0 = new Label();
methodVisitor.visitLabel(label0);
methodVisitor.visitLineNumber(4, label0);
methodVisitor.visitVarInsn(ALOAD, 0);
methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
Label label1 = new Label();
methodVisitor.visitLabel(label1);
methodVisitor.visitLineNumber(5, label1);
methodVisitor.visitInsn(ICONST_4);
methodVisitor.visitVarInsn(ISTORE, 1);
Label label2 = new Label();
methodVisitor.visitLabel(label2);
methodVisitor.visitLineNumber(6, label2);
methodVisitor.visitInsn(RETURN);
Label label3 = new Label();
methodVisitor.visitLabel(label3);
methodVisitor.visitLocalVariable(
"this", "Lcom/zarbosoft/semicompiled/MyClass;", null, label0, label3, 0);
methodVisitor.visitLocalVariable("x", "I", null, label2, label3, 1);
methodVisitor.visitMaxs(1, 2);
methodVisitor.visitEnd();
}
classWriter.visitEnd();
return classWriter.toByteArray();
}
}
Join the thriving social scene at github.com/andrewbaxter/semicompiled.