https://www.graalvm.org/ 
public class com.oracle.truffle.regex.jmh.URLBenchmark$BenchState
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.oracle.truffle.regex.jmh.URLBenchmark$BenchState
  super_class: java.lang.Object
{
  java.lang.String reURL;
    descriptor: Ljava/lang/String;
    flags: (0x0000) 

  java.lang.String input;
    descriptor: Ljava/lang/String;
    flags: (0x0000) 

  java.util.regex.Pattern javaPattern;
    descriptor: Ljava/util/regex/Pattern;
    flags: (0x0000) 

  org.graalvm.polyglot.Context context;
    descriptor: Lorg/graalvm/polyglot/Context;
    flags: (0x0000) 

  org.graalvm.polyglot.Value tregexPattern;
    descriptor: Lorg/graalvm/polyglot/Value;
    flags: (0x0000) 

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=1, args_size=1
        start local 0 // com.oracle.truffle.regex.jmh.URLBenchmark$BenchState this
         0: .line 67
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 61
            aload 0 /* this */
            ldc "(((\\w+):\\/\\/)([^\\/:]*)(:(\\d+))?)?([^#?]*)(\\?([^#]*))?(#(.*))?"
            putfield com.oracle.truffle.regex.jmh.URLBenchmark$BenchState.reURL:Ljava/lang/String;
         2: .line 62
            aload 0 /* this */
            ldc "https://lafo.ssw.uni-linz.ac.at/?computer=15"
            putfield com.oracle.truffle.regex.jmh.URLBenchmark$BenchState.input:Ljava/lang/String;
         3: .line 63
            aload 0 /* this */
            aload 0 /* this */
            getfield com.oracle.truffle.regex.jmh.URLBenchmark$BenchState.reURL:Ljava/lang/String;
            invokestatic java.util.regex.Pattern.compile:(Ljava/lang/String;)Ljava/util/regex/Pattern;
            putfield com.oracle.truffle.regex.jmh.URLBenchmark$BenchState.javaPattern:Ljava/util/regex/Pattern;
         4: .line 68
            aload 0 /* this */
            iconst_0
            anewarray java.lang.String
            invokestatic org.graalvm.polyglot.Context.newBuilder:([Ljava/lang/String;)Lorg/graalvm/polyglot/Context$Builder;
            invokevirtual org.graalvm.polyglot.Context$Builder.build:()Lorg/graalvm/polyglot/Context;
            putfield com.oracle.truffle.regex.jmh.URLBenchmark$BenchState.context:Lorg/graalvm/polyglot/Context;
         5: .line 69
            aload 0 /* this */
            getfield com.oracle.truffle.regex.jmh.URLBenchmark$BenchState.context:Lorg/graalvm/polyglot/Context;
            invokevirtual org.graalvm.polyglot.Context.enter:()V
         6: .line 70
            aload 0 /* this */
            aload 0 /* this */
            getfield com.oracle.truffle.regex.jmh.URLBenchmark$BenchState.context:Lorg/graalvm/polyglot/Context;
            ldc "regexDummyLang"
            ldc ""
            invokevirtual org.graalvm.polyglot.Context.eval:(Ljava/lang/String;Ljava/lang/CharSequence;)Lorg/graalvm/polyglot/Value;
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            ldc ""
            aastore
            invokevirtual org.graalvm.polyglot.Value.execute:([Ljava/lang/Object;)Lorg/graalvm/polyglot/Value;
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            aload 0 /* this */
            getfield com.oracle.truffle.regex.jmh.URLBenchmark$BenchState.reURL:Ljava/lang/String;
            aastore
            dup
            iconst_1
            ldc ""
            aastore
            invokevirtual org.graalvm.polyglot.Value.execute:([Ljava/lang/Object;)Lorg/graalvm/polyglot/Value;
            putfield com.oracle.truffle.regex.jmh.URLBenchmark$BenchState.tregexPattern:Lorg/graalvm/polyglot/Value;
         7: .line 71
            return
        end local 0 // com.oracle.truffle.regex.jmh.URLBenchmark$BenchState this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lcom/oracle/truffle/regex/jmh/URLBenchmark$BenchState;

  public void tearDown();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.regex.jmh.URLBenchmark$BenchState this
         0: .line 75
            aload 0 /* this */
            getfield com.oracle.truffle.regex.jmh.URLBenchmark$BenchState.context:Lorg/graalvm/polyglot/Context;
            invokevirtual org.graalvm.polyglot.Context.leave:()V
         1: .line 76
            aload 0 /* this */
            getfield com.oracle.truffle.regex.jmh.URLBenchmark$BenchState.context:Lorg/graalvm/polyglot/Context;
            invokevirtual org.graalvm.polyglot.Context.close:()V
         2: .line 77
            return
        end local 0 // com.oracle.truffle.regex.jmh.URLBenchmark$BenchState this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/oracle/truffle/regex/jmh/URLBenchmark$BenchState;
    RuntimeVisibleAnnotations: 
      org.openjdk.jmh.annotations.TearDown()
}
SourceFile: "URLBenchmark.java"
NestHost: com.oracle.truffle.regex.jmh.URLBenchmark
InnerClasses:
  public BenchState = com.oracle.truffle.regex.jmh.URLBenchmark$BenchState of com.oracle.truffle.regex.jmh.URLBenchmark
  public final Builder = org.graalvm.polyglot.Context$Builder of org.graalvm.polyglot.Context
    RuntimeVisibleAnnotations: 
      org.openjdk.jmh.annotations.State(value = org.openjdk.jmh.annotations.Scope.Benchmark:Lorg/openjdk/jmh/annotations/Scope;)