http://openjdk.java.net/projects/code-tools/jmh/jmh-core/: The jmh is a Java harness for building, running, and analysing nano/micro/macro benchmarks written in Java and other languages targeting the JVM. (Oracle)
  • Aleksey Shipilev (Oracle/Sun, Red Hat)
  • Sergey Kuksenko (Oracle/Sun)
  • Anders Astrand (Oracle/BEA)
  • Staffan Friberg (Oracle/BEA)
  • Henrik Loef (Oracle/BEA) 
public class org.openjdk.jmh.util.ClassUtils
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.openjdk.jmh.util.ClassUtils
  super_class: java.lang.Object
{
  private static final boolean USE_SEPARATE_CLASSLOADER;
    descriptor: Z
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 45
            ldc "jmh.separateClassLoader"
            invokestatic java.lang.Boolean.getBoolean:(Ljava/lang/String;)Z
            putstatic org.openjdk.jmh.util.ClassUtils.USE_SEPARATE_CLASSLOADER:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.openjdk.jmh.util.ClassUtils this
         0: .line 48
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 50
            return
        end local 0 // org.openjdk.jmh.util.ClassUtils this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/openjdk/jmh/util/ClassUtils;

  public static java.util.List<java.lang.reflect.Method> enumerateMethods(java.lang.Class<?>);
    descriptor: (Ljava/lang/Class;)Ljava/util/List;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // java.lang.Class clazz
         0: .line 60
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 1 /* result */
        start local 1 // java.util.List result
         1: .line 61
            aload 0 /* clazz */
            astore 2 /* current */
        start local 2 // java.lang.Class current
         2: .line 62
            goto 5
         3: .line 63
      StackMap locals: java.util.List java.lang.Class
      StackMap stack:
            aload 1 /* result */
            aload 2 /* current */
            invokevirtual java.lang.Class.getDeclaredMethods:()[Ljava/lang/reflect/Method;
            invokestatic java.util.Arrays.asList:([Ljava/lang/Object;)Ljava/util/List;
            invokeinterface java.util.List.addAll:(Ljava/util/Collection;)Z
            pop
         4: .line 64
            aload 2 /* current */
            invokevirtual java.lang.Class.getSuperclass:()Ljava/lang/Class;
            astore 2 /* current */
         5: .line 62
      StackMap locals:
      StackMap stack:
            aload 2 /* current */
            ifnonnull 3
         6: .line 66
            aload 1 /* result */
            areturn
        end local 2 // java.lang.Class current
        end local 1 // java.util.List result
        end local 0 // java.lang.Class clazz
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    7     0    clazz  Ljava/lang/Class<*>;
            1    7     1   result  Ljava/util/List<Ljava/lang/reflect/Method;>;
            2    7     2  current  Ljava/lang/Class<*>;
    Signature: (Ljava/lang/Class<*>;)Ljava/util/List<Ljava/lang/reflect/Method;>;
    MethodParameters:
       Name  Flags
      clazz  

  public static java.lang.Class<?> loadClass(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/Class;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=6, locals=6, args_size=1
        start local 0 // java.lang.String className
         0: .line 71
            getstatic org.openjdk.jmh.util.ClassUtils.USE_SEPARATE_CLASSLOADER:Z
            ifne 3
         1: .line 72
            aload 0 /* className */
            invokestatic java.lang.Class.forName:(Ljava/lang/String;)Ljava/lang/Class;
         2: areturn
         3: .line 76
      StackMap locals:
      StackMap stack:
            ldc "java.class.path"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 1 /* classPathValue */
        start local 1 // java.lang.String classPathValue
         4: .line 77
            aload 1 /* classPathValue */
            getstatic java.io.File.pathSeparator:Ljava/lang/String;
            invokevirtual java.lang.String.split:(Ljava/lang/String;)[Ljava/lang/String;
            astore 2 /* classPath */
        start local 2 // java.lang.String[] classPath
         5: .line 78
            aload 2 /* classPath */
            arraylength
            anewarray java.net.URL
            astore 3 /* classPathUrl */
        start local 3 // java.net.URL[] classPathUrl
         6: .line 79
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         7: goto 13
         8: .line 81
      StackMap locals: java.lang.String java.lang.String java.lang.String[] java.net.URL[] int
      StackMap stack:
            aload 3 /* classPathUrl */
            iload 4 /* i */
            new java.io.File
            dup
            aload 2 /* classPath */
            iload 4 /* i */
            aaload
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            invokevirtual java.io.File.toURI:()Ljava/net/URI;
            invokevirtual java.net.URI.toURL:()Ljava/net/URL;
            aastore
         9: .line 82
            goto 12
      StackMap locals:
      StackMap stack: java.net.MalformedURLException
        10: astore 5 /* ex */
        start local 5 // java.net.MalformedURLException ex
        11: .line 83
            new java.lang.RuntimeException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Error parsing the value of property java.class.path: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* classPathValue */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 5 /* ex */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 5 // java.net.MalformedURLException ex
        12: .line 79
      StackMap locals:
      StackMap stack:
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        13: iload 4 /* i */
            aload 3 /* classPathUrl */
            arraylength
            if_icmplt 8
        end local 4 // int i
        14: .line 87
            new java.net.URLClassLoader
            dup
            aload 3 /* classPathUrl */
            invokespecial java.net.URLClassLoader.<init>:([Ljava/net/URL;)V
            astore 4 /* loader */
        start local 4 // java.net.URLClassLoader loader
        15: .line 88
            aload 4 /* loader */
            aload 0 /* className */
            invokevirtual java.net.URLClassLoader.loadClass:(Ljava/lang/String;)Ljava/lang/Class;
        16: areturn
        end local 4 // java.net.URLClassLoader loader
        end local 3 // java.net.URL[] classPathUrl
        end local 2 // java.lang.String[] classPath
        end local 1 // java.lang.String classPathValue
        17: .line 89
      StackMap locals: java.lang.String
      StackMap stack: java.lang.ClassNotFoundException
            astore 1 /* ex */
        start local 1 // java.lang.ClassNotFoundException ex
        18: .line 90
            new java.lang.IllegalArgumentException
            dup
            ldc "Benchmark does not match a class"
            aload 1 /* ex */
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.lang.ClassNotFoundException ex
        end local 0 // java.lang.String className
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   19     0       className  Ljava/lang/String;
            4   17     1  classPathValue  Ljava/lang/String;
            5   17     2       classPath  [Ljava/lang/String;
            6   17     3    classPathUrl  [Ljava/net/URL;
            7   14     4               i  I
           11   12     5              ex  Ljava/net/MalformedURLException;
           15   17     4          loader  Ljava/net/URLClassLoader;
           18   19     1              ex  Ljava/lang/ClassNotFoundException;
      Exception table:
        from    to  target  type
           8     9      10  Class java.net.MalformedURLException
           0     2      17  Class java.lang.ClassNotFoundException
           3    16      17  Class java.lang.ClassNotFoundException
    Signature: (Ljava/lang/String;)Ljava/lang/Class<*>;
    MethodParameters:
           Name  Flags
      className  

  public static java.util.Map<java.lang.String, java.lang.String> denseClassNames(java.util.Collection<java.lang.String>);
    descriptor: (Ljava/util/Collection;)Ljava/util/Map;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=15, args_size=1
        start local 0 // java.util.Collection src
         0: .line 101
            aload 0 /* src */
            invokeinterface java.util.Collection.isEmpty:()Z
            ifeq 1
            invokestatic java.util.Collections.emptyMap:()Ljava/util/Map;
            areturn
         1: .line 103
      StackMap locals:
      StackMap stack:
            ldc -2147483648
            istore 1 /* maxLen */
        start local 1 // int maxLen
         2: .line 104
            aload 0 /* src */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 3
            goto 5
      StackMap locals: java.util.Collection int top java.util.Iterator
      StackMap stack:
         3: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 2 /* s */
        start local 2 // java.lang.String s
         4: .line 105
            iload 1 /* maxLen */
            aload 2 /* s */
            invokevirtual java.lang.String.length:()I
            invokestatic java.lang.Math.max:(II)I
            istore 1 /* maxLen */
        end local 2 // java.lang.String s
         5: .line 104
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         6: .line 108
            iconst_1
            istore 2 /* first */
        start local 2 // boolean first
         7: .line 110
            iconst_0
            istore 3 /* prefixCut */
        start local 3 // boolean prefixCut
         8: .line 112
            iconst_0
            anewarray java.lang.String
            astore 4 /* prefix */
        start local 4 // java.lang.String[] prefix
         9: .line 113
            aload 0 /* src */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 6
            goto 34
      StackMap locals: java.util.Collection int int int java.lang.String[] top java.util.Iterator
      StackMap stack:
        10: aload 6
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 5 /* s */
        start local 5 // java.lang.String s
        11: .line 114
            aload 5 /* s */
            ldc "\\."
            invokevirtual java.lang.String.split:(Ljava/lang/String;)[Ljava/lang/String;
            astore 7 /* names */
        start local 7 // java.lang.String[] names
        12: .line 116
            iload 2 /* first */
            ifeq 23
        13: .line 117
            aload 7 /* names */
            arraylength
            anewarray java.lang.String
            astore 4 /* prefix */
        14: .line 120
            iconst_0
            istore 8 /* c */
        start local 8 // int c
        15: goto 19
        16: .line 121
      StackMap locals: java.util.Collection int int int java.lang.String[] java.lang.String java.util.Iterator java.lang.String[] int
      StackMap stack:
            aload 7 /* names */
            iload 8 /* c */
            aaload
            invokevirtual java.lang.String.toLowerCase:()Ljava/lang/String;
            aload 7 /* names */
            iload 8 /* c */
            aaload
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 20
        17: .line 122
            aload 4 /* prefix */
            iload 8 /* c */
            aload 7 /* names */
            iload 8 /* c */
            aaload
            aastore
        18: .line 120
            iinc 8 /* c */ 1
      StackMap locals:
      StackMap stack:
        19: iload 8 /* c */
            aload 7 /* names */
            arraylength
            if_icmplt 16
        20: .line 127
      StackMap locals:
      StackMap stack:
            aload 4 /* prefix */
            iload 8 /* c */
            invokestatic java.util.Arrays.copyOf:([Ljava/lang/Object;I)[Ljava/lang/Object;
            checkcast java.lang.String[]
            astore 4 /* prefix */
        21: .line 128
            iconst_0
            istore 2 /* first */
        22: .line 129
            goto 34
        end local 8 // int c
        23: .line 132
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 8 /* c */
        start local 8 // int c
        24: .line 133
            goto 30
        25: .line 134
      StackMap locals: int
      StackMap stack:
            aload 7 /* names */
            iload 8 /* c */
            aaload
            astore 9 /* n */
        start local 9 // java.lang.String n
        26: .line 135
            aload 4 /* prefix */
            iload 8 /* c */
            aaload
            astore 10 /* p */
        start local 10 // java.lang.String p
        27: .line 136
            aload 9 /* n */
            aload 10 /* p */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 31
            aload 9 /* n */
            invokevirtual java.lang.String.toLowerCase:()Ljava/lang/String;
            aload 9 /* n */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 29
        28: .line 137
            goto 31
        29: .line 139
      StackMap locals: java.lang.String java.lang.String
      StackMap stack:
            iinc 8 /* c */ 1
        end local 10 // java.lang.String p
        end local 9 // java.lang.String n
        30: .line 133
      StackMap locals:
      StackMap stack:
            iload 8 /* c */
            aload 4 /* prefix */
            arraylength
            aload 7 /* names */
            arraylength
            invokestatic java.lang.Math.min:(II)I
            if_icmplt 25
        31: .line 142
      StackMap locals:
      StackMap stack:
            aload 4 /* prefix */
            arraylength
            iload 8 /* c */
            if_icmpeq 33
        32: .line 143
            iconst_1
            istore 3 /* prefixCut */
        33: .line 145
      StackMap locals:
      StackMap stack:
            aload 4 /* prefix */
            iload 8 /* c */
            invokestatic java.util.Arrays.copyOf:([Ljava/lang/Object;I)[Ljava/lang/Object;
            checkcast java.lang.String[]
            astore 4 /* prefix */
        end local 8 // int c
        end local 7 // java.lang.String[] names
        end local 5 // java.lang.String s
        34: .line 113
      StackMap locals: java.util.Collection int int int java.lang.String[] top java.util.Iterator
      StackMap stack:
            aload 6
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 10
        35: .line 148
            iconst_0
            istore 5 /* c */
        start local 5 // int c
        36: goto 41
        37: .line 149
      StackMap locals: java.util.Collection int int int java.lang.String[] int
      StackMap stack:
            aload 4 /* prefix */
            iload 5 /* c */
            iload 3 /* prefixCut */
            ifeq 38
            aload 4 /* prefix */
            iload 5 /* c */
            aaload
            iconst_0
            invokevirtual java.lang.String.charAt:(I)C
            invokestatic java.lang.String.valueOf:(C)Ljava/lang/String;
            goto 39
      StackMap locals: java.util.Collection int int int java.lang.String[] int
      StackMap stack: java.lang.String[] int
        38: ldc ""
      StackMap locals: java.util.Collection int int int java.lang.String[] int
      StackMap stack: java.lang.String[] int java.lang.String
        39: aastore
        40: .line 148
            iinc 5 /* c */ 1
      StackMap locals:
      StackMap stack:
        41: iload 5 /* c */
            aload 4 /* prefix */
            arraylength
            if_icmplt 37
        end local 5 // int c
        42: .line 152
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 5 /* result */
        start local 5 // java.util.Map result
        43: .line 153
            aload 0 /* src */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 7
            goto 58
      StackMap locals: java.util.Collection int int int java.lang.String[] java.util.Map top java.util.Iterator
      StackMap stack:
        44: aload 7
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 6 /* s */
        start local 6 // java.lang.String s
        45: .line 154
            aload 4 /* prefix */
            arraylength
            istore 8 /* prefixLen */
        start local 8 // int prefixLen
        46: .line 156
            aload 6 /* s */
            ldc "\\."
            invokevirtual java.lang.String.split:(Ljava/lang/String;)[Ljava/lang/String;
            astore 9 /* names */
        start local 9 // java.lang.String[] names
        47: .line 157
            aload 4 /* prefix */
            iconst_0
            aload 9 /* names */
            iconst_0
            iload 8 /* prefixLen */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        48: .line 159
            ldc ""
            astore 10 /* dense */
        start local 10 // java.lang.String dense
        49: .line 160
            aload 9 /* names */
            dup
            astore 14
            arraylength
            istore 13
            iconst_0
            istore 12
            goto 54
      StackMap locals: java.util.Collection int int int java.lang.String[] java.util.Map java.lang.String java.util.Iterator int java.lang.String[] java.lang.String top int int java.lang.String[]
      StackMap stack:
        50: aload 14
            iload 12
            aaload
            astore 11 /* n */
        start local 11 // java.lang.String n
        51: .line 161
            aload 11 /* n */
            invokevirtual java.lang.String.isEmpty:()Z
            ifne 53
        52: .line 162
            new java.lang.StringBuilder
            dup
            aload 10 /* dense */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 11 /* n */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            astore 10 /* dense */
        end local 11 // java.lang.String n
        53: .line 160
      StackMap locals:
      StackMap stack:
            iinc 12 1
      StackMap locals:
      StackMap stack:
        54: iload 12
            iload 13
            if_icmplt 50
        55: .line 166
            aload 10 /* dense */
            ldc "."
            invokevirtual java.lang.String.endsWith:(Ljava/lang/String;)Z
            ifeq 57
        56: .line 167
            aload 10 /* dense */
            iconst_0
            aload 10 /* dense */
            invokevirtual java.lang.String.length:()I
            iconst_1
            isub
            invokevirtual java.lang.String.substring:(II)Ljava/lang/String;
            astore 10 /* dense */
        57: .line 170
      StackMap locals: java.util.Collection int int int java.lang.String[] java.util.Map java.lang.String java.util.Iterator int java.lang.String[] java.lang.String
      StackMap stack:
            aload 5 /* result */
            aload 6 /* s */
            aload 10 /* dense */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 10 // java.lang.String dense
        end local 9 // java.lang.String[] names
        end local 8 // int prefixLen
        end local 6 // java.lang.String s
        58: .line 153
      StackMap locals: java.util.Collection int int int java.lang.String[] java.util.Map top java.util.Iterator
      StackMap stack:
            aload 7
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 44
        59: .line 173
            aload 5 /* result */
            areturn
        end local 5 // java.util.Map result
        end local 4 // java.lang.String[] prefix
        end local 3 // boolean prefixCut
        end local 2 // boolean first
        end local 1 // int maxLen
        end local 0 // java.util.Collection src
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   60     0        src  Ljava/util/Collection<Ljava/lang/String;>;
            2   60     1     maxLen  I
            4    5     2          s  Ljava/lang/String;
            7   60     2      first  Z
            8   60     3  prefixCut  Z
            9   60     4     prefix  [Ljava/lang/String;
           11   34     5          s  Ljava/lang/String;
           12   34     7      names  [Ljava/lang/String;
           15   23     8          c  I
           24   34     8          c  I
           26   30     9          n  Ljava/lang/String;
           27   30    10          p  Ljava/lang/String;
           36   42     5          c  I
           43   60     5     result  Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;
           45   58     6          s  Ljava/lang/String;
           46   58     8  prefixLen  I
           47   58     9      names  [Ljava/lang/String;
           49   58    10      dense  Ljava/lang/String;
           51   53    11          n  Ljava/lang/String;
    Signature: (Ljava/util/Collection<Ljava/lang/String;>;)Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;
    MethodParameters:
      Name  Flags
      src   
}
SourceFile: "ClassUtils.java"