http://www.antlr.org: A framework for constructing recognizers, compilers, and translators from grammatical descriptions containing Java, C#, C++, or Python actions. (ANTLR) 
public class org.antlr.runtime.CharStreamState
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.antlr.runtime.CharStreamState
  super_class: java.lang.Object
{
  int p;
    descriptor: I
    flags: (0x0000) 

  int line;
    descriptor: I
    flags: (0x0000) 

  int charPositionInLine;
    descriptor: I
    flags: (0x0000) 

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.antlr.runtime.CharStreamState this
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.antlr.runtime.CharStreamState this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/antlr/runtime/CharStreamState;
}
SourceFile: "CharStreamState.java"