public final class com.oracle.truffle.api.test.polyglot.MemoryFileSystem implements org.graalvm.polyglot.io.FileSystem
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.api.test.polyglot.MemoryFileSystem
  super_class: java.lang.Object
{
  private static final byte[] EMPTY;
    descriptor: [B
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.nio.file.attribute.UserPrincipal USER;
    descriptor: Ljava/nio/file/attribute/UserPrincipal;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.nio.file.attribute.GroupPrincipal GROUP;
    descriptor: Ljava/nio/file/attribute/GroupPrincipal;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final java.util.Map<java.lang.Long, com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo> inodes;
    descriptor: Ljava/util/Map;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Map<Ljava/lang/Long;Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;>;

  private final java.util.Map<java.lang.Long, byte[]> blocks;
    descriptor: Ljava/util/Map;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Map<Ljava/lang/Long;[B>;

  private final java.nio.file.Path root;
    descriptor: Ljava/nio/file/Path;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.nio.file.Path tmpDir;
    descriptor: Ljava/nio/file/Path;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private volatile java.nio.file.Path userDir;
    descriptor: Ljava/nio/file/Path;
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private long nextInode;
    descriptor: J
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 92
            iconst_0
            newarray 8
            putstatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem.EMPTY:[B
         1: .line 93
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$1
            dup
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$1.<init>:()V
            putstatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem.USER:Ljava/nio/file/attribute/UserPrincipal;
         2: .line 109
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$2
            dup
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$2.<init>:()V
            putstatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem.GROUP:Ljava/nio/file/attribute/GroupPrincipal;
         3: .line 119
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
         0: .line 129
            aload 0 /* this */
            ldc "/tmp"
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem.<init>:(Ljava/lang/String;)V
         1: .line 130
            return
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
    Exceptions:
      throws java.io.IOException

  public void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.lang.String tmpDirPath
         0: .line 132
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 126
            aload 0 /* this */
            lconst_0
            putfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.nextInode:J
         2: .line 133
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
         3: .line 134
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.blocks:Ljava/util/Map;
         4: .line 135
            aload 0 /* this */
            invokestatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem$MemoryPath.getRootDirectory:()Ljava/nio/file/Path;
            putfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.root:Ljava/nio/file/Path;
         5: .line 136
            aload 0 /* this */
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.root:Ljava/nio/file/Path;
            putfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.userDir:Ljava/nio/file/Path;
         6: .line 137
            aload 0 /* this */
            iconst_0
            anewarray java.nio.file.attribute.FileAttribute
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.createDirectoryImpl:([Ljava/nio/file/attribute/FileAttribute;)J
            pop2
         7: .line 138
            aload 0 /* this */
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.root:Ljava/nio/file/Path;
            aload 1 /* tmpDirPath */
            invokeinterface java.nio.file.Path.resolve:(Ljava/lang/String;)Ljava/nio/file/Path;
            putfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.tmpDir:Ljava/nio/file/Path;
         8: .line 139
            aload 0 /* this */
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.tmpDir:Ljava/nio/file/Path;
            iconst_0
            anewarray java.nio.file.attribute.FileAttribute
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.createDirectory:(Ljava/nio/file/Path;[Ljava/nio/file/attribute/FileAttribute;)V
         9: .line 140
            return
        end local 1 // java.lang.String tmpDirPath
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   10     0        this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0   10     1  tmpDirPath  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
            Name  Flags
      tmpDirPath  

  public java.nio.file.Path parsePath(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/nio/file/Path;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.lang.String path
         0: .line 144
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$MemoryPath
            dup
            aload 1 /* path */
            iconst_0
            anewarray java.lang.String
            invokestatic java.nio.file.Paths.get:(Ljava/lang/String;[Ljava/lang/String;)Ljava/nio/file/Path;
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$MemoryPath.<init>:(Ljava/nio/file/Path;)V
            areturn
        end local 1 // java.lang.String path
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0    1     1  path  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      path  

  public java.nio.file.Path parsePath(java.net.URI);
    descriptor: (Ljava/net/URI;)Ljava/nio/file/Path;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.net.URI uri
         0: .line 150
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$MemoryPath
            dup
            aload 1 /* uri */
            invokestatic java.nio.file.Paths.get:(Ljava/net/URI;)Ljava/nio/file/Path;
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$MemoryPath.<init>:(Ljava/nio/file/Path;)V
         1: areturn
         2: .line 151
      StackMap locals:
      StackMap stack: java.lang.RuntimeException
            astore 2 /* e */
        start local 2 // java.lang.RuntimeException e
         3: .line 152
            new java.lang.UnsupportedOperationException
            dup
            aload 2 /* e */
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 2 // java.lang.RuntimeException e
        end local 1 // java.net.URI uri
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0    4     1   uri  Ljava/net/URI;
            3    4     2     e  Ljava/lang/RuntimeException;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.IllegalArgumentException
           0     1       2  Class java.nio.file.FileSystemNotFoundException
    MethodParameters:
      Name  Flags
      uri   

  public void checkAccess(java.nio.file.Path, java.util.Set<? extends java.nio.file.AccessMode>, java.nio.file.LinkOption[]);
    descriptor: (Ljava/nio/file/Path;Ljava/util/Set;[Ljava/nio/file/LinkOption;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=3, locals=9, args_size=4
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path path
        start local 2 // java.util.Set modes
        start local 3 // java.nio.file.LinkOption[] linkOptions
         0: .line 158
            aload 0 /* this */
            aload 1 /* path */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.toAbsolutePath:(Ljava/nio/file/Path;)Ljava/nio/file/Path;
            astore 4 /* absolutePath */
        start local 4 // java.nio.file.Path absolutePath
         1: .line 159
            aload 0 /* this */
            aload 4 /* absolutePath */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.findInode:(Ljava/nio/file/Path;)Ljava/lang/Long;
            astore 5 /* inode */
        start local 5 // java.lang.Long inode
         2: .line 160
            aload 5 /* inode */
            ifnonnull 4
         3: .line 161
            new java.nio.file.NoSuchFileException
            dup
            aload 1 /* path */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokespecial java.nio.file.NoSuchFileException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 163
      StackMap locals: java.nio.file.Path java.lang.Long
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            aload 5 /* inode */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
            astore 6 /* info */
        start local 6 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo info
         5: .line 164
            aload 2 /* modes */
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 8
            goto 9
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem java.nio.file.Path java.util.Set java.nio.file.LinkOption[] java.nio.file.Path java.lang.Long com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo top java.util.Iterator
      StackMap stack:
         6: aload 8
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.nio.file.AccessMode
            astore 7 /* mode */
        start local 7 // java.nio.file.AccessMode mode
         7: .line 165
            aload 6 /* info */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.permissions:Ljava/util/Set;
            aload 7 /* mode */
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifne 9
         8: .line 166
            new java.nio.file.AccessDeniedException
            dup
            aload 1 /* path */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokespecial java.nio.file.AccessDeniedException.<init>:(Ljava/lang/String;)V
            athrow
        end local 7 // java.nio.file.AccessMode mode
         9: .line 164
      StackMap locals:
      StackMap stack:
            aload 8
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 6
        10: .line 169
            return
        end local 6 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo info
        end local 5 // java.lang.Long inode
        end local 4 // java.nio.file.Path absolutePath
        end local 3 // java.nio.file.LinkOption[] linkOptions
        end local 2 // java.util.Set modes
        end local 1 // java.nio.file.Path path
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   11     0          this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0   11     1          path  Ljava/nio/file/Path;
            0   11     2         modes  Ljava/util/Set<+Ljava/nio/file/AccessMode;>;
            0   11     3   linkOptions  [Ljava/nio/file/LinkOption;
            1   11     4  absolutePath  Ljava/nio/file/Path;
            2   11     5         inode  Ljava/lang/Long;
            5   11     6          info  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;
            7    9     7          mode  Ljava/nio/file/AccessMode;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/nio/file/Path;Ljava/util/Set<+Ljava/nio/file/AccessMode;>;[Ljava/nio/file/LinkOption;)V
    MethodParameters:
             Name  Flags
      path         
      modes        
      linkOptions  

  public void delete(java.nio.file.Path);
    descriptor: (Ljava/nio/file/Path;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=10, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path path
         0: .line 173
            aload 0 /* this */
            aload 1 /* path */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.toAbsolutePath:(Ljava/nio/file/Path;)Ljava/nio/file/Path;
            astore 2 /* absolutePath */
        start local 2 // java.nio.file.Path absolutePath
         1: .line 174
            aload 2 /* absolutePath */
            invokeinterface java.nio.file.Path.getParent:()Ljava/nio/file/Path;
            astore 3 /* parentPath */
        start local 3 // java.nio.file.Path parentPath
         2: .line 175
            aload 3 /* parentPath */
            ifnonnull 4
         3: .line 176
            new java.io.IOException
            dup
            ldc "Cannot delete root."
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 178
      StackMap locals: java.nio.file.Path java.nio.file.Path
      StackMap stack:
            aload 0 /* this */
            aload 3 /* parentPath */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.readDir:(Ljava/nio/file/Path;)Ljava/util/Map$Entry;
            astore 4 /* e */
        start local 4 // java.util.Map$Entry e
         5: .line 179
            aload 4 /* e */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.Long
            invokevirtual java.lang.Long.longValue:()J
            lstore 5 /* inode */
        start local 5 // long inode
         6: .line 180
            aload 4 /* e */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.util.Map
            astore 7 /* dirents */
        start local 7 // java.util.Map dirents
         7: .line 181
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            lload 5 /* inode */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.permissions:Ljava/util/Set;
            getstatic java.nio.file.AccessMode.WRITE:Ljava/nio/file/AccessMode;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifne 9
         8: .line 182
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Read only dir: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* path */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         9: .line 184
      StackMap locals: java.util.Map$Entry long java.util.Map
      StackMap stack:
            aload 2 /* absolutePath */
            invokeinterface java.nio.file.Path.getFileName:()Ljava/nio/file/Path;
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            astore 8 /* fileName */
        start local 8 // java.lang.String fileName
        10: .line 185
            aload 7 /* dirents */
            aload 8 /* fileName */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Long
            astore 9 /* fileInode */
        start local 9 // java.lang.Long fileInode
        11: .line 186
            aload 9 /* fileInode */
            ifnonnull 13
        12: .line 187
            new java.nio.file.NoSuchFileException
            dup
            aload 1 /* path */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokespecial java.nio.file.NoSuchFileException.<init>:(Ljava/lang/String;)V
            athrow
        13: .line 189
      StackMap locals: java.lang.String java.lang.Long
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            aload 9 /* fileInode */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.isDirectory:()Z
            ifeq 16
        14: .line 190
            aload 0 /* this */
            aload 9 /* fileInode */
            invokevirtual java.lang.Long.longValue:()J
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.readDir:(J)Ljava/util/Map;
            invokeinterface java.util.Map.isEmpty:()Z
            ifne 16
        15: .line 191
            new java.nio.file.DirectoryNotEmptyException
            dup
            aload 1 /* path */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokespecial java.nio.file.DirectoryNotEmptyException.<init>:(Ljava/lang/String;)V
            athrow
        16: .line 194
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            aload 9 /* fileInode */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        17: .line 195
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.blocks:Ljava/util/Map;
            aload 9 /* fileInode */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        18: .line 196
            aload 7 /* dirents */
            aload 8 /* fileName */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        19: .line 197
            aload 0 /* this */
            lload 5 /* inode */
            aload 7 /* dirents */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.writeDir:(JLjava/util/Map;)V
        20: .line 198
            return
        end local 9 // java.lang.Long fileInode
        end local 8 // java.lang.String fileName
        end local 7 // java.util.Map dirents
        end local 5 // long inode
        end local 4 // java.util.Map$Entry e
        end local 3 // java.nio.file.Path parentPath
        end local 2 // java.nio.file.Path absolutePath
        end local 1 // java.nio.file.Path path
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   21     0          this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0   21     1          path  Ljava/nio/file/Path;
            1   21     2  absolutePath  Ljava/nio/file/Path;
            2   21     3    parentPath  Ljava/nio/file/Path;
            5   21     4             e  Ljava/util/Map$Entry<Ljava/lang/Long;Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;>;
            6   21     5         inode  J
            7   21     7       dirents  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;
           10   21     8      fileName  Ljava/lang/String;
           11   21     9     fileInode  Ljava/lang/Long;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      path  

  public java.nio.file.DirectoryStream<java.nio.file.Path> newDirectoryStream(java.nio.file.Path, java.nio.file.DirectoryStream$Filter<? super java.nio.file.Path>);
    descriptor: (Ljava/nio/file/Path;Ljava/nio/file/DirectoryStream$Filter;)Ljava/nio/file/DirectoryStream;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=5, args_size=3
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path dir
        start local 2 // java.nio.file.DirectoryStream$Filter filter
         0: .line 202
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* dir */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.toAbsolutePath:(Ljava/nio/file/Path;)Ljava/nio/file/Path;
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.findInode:(Ljava/nio/file/Path;)Ljava/lang/Long;
            astore 3 /* inode */
        start local 3 // java.lang.Long inode
         1: .line 204
            aload 3 /* inode */
            ifnull 3
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            aload 3 /* inode */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
            dup
            astore 4 /* fileInfo */
        start local 4 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
         2: invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.isDirectory:()Z
            ifne 4
        end local 4 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
         3: .line 205
      StackMap locals: java.lang.Long
      StackMap stack:
            new java.nio.file.NotDirectoryException
            dup
            new java.lang.StringBuilder
            dup
            aload 1 /* dir */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " is not a directory."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.nio.file.NotDirectoryException.<init>:(Ljava/lang/String;)V
            athrow
        start local 4 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
         4: .line 207
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
      StackMap stack:
            aload 4 /* fileInfo */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.permissions:Ljava/util/Set;
            getstatic java.nio.file.AccessMode.READ:Ljava/nio/file/AccessMode;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifne 6
         5: .line 208
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Cannot read dir: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* dir */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 210
      StackMap locals:
      StackMap stack:
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$DirectoryStreamImpl
            dup
            aload 1 /* dir */
            aload 0 /* this */
            aload 3 /* inode */
            invokevirtual java.lang.Long.longValue:()J
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.readDir:(J)Ljava/util/Map;
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$DirectoryStreamImpl.<init>:(Ljava/nio/file/Path;Ljava/util/Collection;)V
            areturn
        end local 4 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
        end local 3 // java.lang.Long inode
        end local 2 // java.nio.file.DirectoryStream$Filter filter
        end local 1 // java.nio.file.Path dir
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0    7     1       dir  Ljava/nio/file/Path;
            0    7     2    filter  Ljava/nio/file/DirectoryStream$Filter<-Ljava/nio/file/Path;>;
            1    7     3     inode  Ljava/lang/Long;
            2    3     4  fileInfo  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;
            4    7     4  fileInfo  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/nio/file/Path;Ljava/nio/file/DirectoryStream$Filter<-Ljava/nio/file/Path;>;)Ljava/nio/file/DirectoryStream<Ljava/nio/file/Path;>;
    MethodParameters:
        Name  Flags
      dir     
      filter  

  public java.nio.channels.SeekableByteChannel newByteChannel(java.nio.file.Path, java.util.Set<? extends java.nio.file.OpenOption>, java.nio.file.attribute.FileAttribute<?>[]);
    descriptor: (Ljava/nio/file/Path;Ljava/util/Set;[Ljava/nio/file/attribute/FileAttribute;)Ljava/nio/channels/SeekableByteChannel;
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=9, locals=25, args_size=4
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path path
        start local 2 // java.util.Set options
        start local 3 // java.nio.file.attribute.FileAttribute[] attrs
         0: .line 215
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.APPEND:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifeq 2
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.READ:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifeq 2
         1: .line 216
            new java.lang.IllegalArgumentException
            dup
            ldc "READ + APPEND not allowed."
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 218
      StackMap locals:
      StackMap stack:
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.SYNC:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifne 3
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.DSYNC:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifeq 4
         3: .line 219
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "Not supported yet."
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 221
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* path */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.toAbsolutePath:(Ljava/nio/file/Path;)Ljava/nio/file/Path;
            astore 4 /* absolutePath */
        start local 4 // java.nio.file.Path absolutePath
         5: .line 222
            aload 4 /* absolutePath */
            invokeinterface java.nio.file.Path.getParent:()Ljava/nio/file/Path;
            astore 5 /* parentPath */
        start local 5 // java.nio.file.Path parentPath
         6: .line 223
            aload 5 /* parentPath */
            ifnonnull 8
         7: .line 224
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            aload 1 /* path */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " is a directory."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 226
      StackMap locals: java.nio.file.Path java.nio.file.Path
      StackMap stack:
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.READ:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            istore 6 /* read */
        start local 6 // boolean read
         9: .line 227
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.WRITE:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            istore 7 /* write */
        start local 7 // boolean write
        10: .line 228
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.APPEND:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            istore 8 /* append */
        start local 8 // boolean append
        11: .line 229
            iload 6 /* read */
            ifne 16
            iload 7 /* write */
            ifne 16
        12: .line 230
            iload 8 /* append */
            ifeq 15
        13: .line 231
            iconst_1
            istore 7 /* write */
        14: .line 232
            goto 16
        15: .line 233
      StackMap locals: int int int
      StackMap stack:
            iconst_1
            istore 6 /* read */
        16: .line 236
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 5 /* parentPath */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.readDir:(Ljava/nio/file/Path;)Ljava/util/Map$Entry;
            astore 9 /* e */
        start local 9 // java.util.Map$Entry e
        17: .line 237
            aload 9 /* e */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.Long
            invokevirtual java.lang.Long.longValue:()J
            lstore 10 /* parentInode */
        start local 10 // long parentInode
        18: .line 238
            aload 9 /* e */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.util.Map
            astore 12 /* parentDirents */
        start local 12 // java.util.Map parentDirents
        19: .line 239
            aload 4 /* absolutePath */
            invokeinterface java.nio.file.Path.getFileName:()Ljava/nio/file/Path;
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            astore 13 /* fileName */
        start local 13 // java.lang.String fileName
        20: .line 240
            aload 12 /* parentDirents */
            aload 13 /* fileName */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Long
            astore 14 /* inode */
        start local 14 // java.lang.Long inode
        21: .line 241
            aload 14 /* inode */
            ifnonnull 32
        22: .line 242
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.WRITE:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifeq 23
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.CREATE:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifne 24
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.CREATE_NEW:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifne 24
        23: .line 243
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem java.nio.file.Path java.util.Set java.nio.file.attribute.FileAttribute[] java.nio.file.Path java.nio.file.Path int int int java.util.Map$Entry long java.util.Map java.lang.String java.lang.Long
      StackMap stack:
            new java.nio.file.NoSuchFileException
            dup
            aload 1 /* path */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokespecial java.nio.file.NoSuchFileException.<init>:(Ljava/lang/String;)V
            athrow
        24: .line 245
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            lload 10 /* parentInode */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.permissions:Ljava/util/Set;
            getstatic java.nio.file.AccessMode.WRITE:Ljava/nio/file/AccessMode;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifne 26
        25: .line 246
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Read only dir: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* path */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        26: .line 248
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.nextInode:J
            dup2_x1
            lconst_1
            ladd
            putfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.nextInode:J
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            astore 14 /* inode */
        27: .line 249
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            aload 14 /* inode */
            getstatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileType.FILE:Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileType;
            invokestatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.newBuilder:(Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileType;)Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo$Builder;
            aload 3 /* attrs */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo$Builder.permissions:([Ljava/nio/file/attribute/FileAttribute;)Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo$Builder;
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo$Builder.build:()Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        28: .line 250
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.blocks:Ljava/util/Map;
            aload 14 /* inode */
            getstatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem.EMPTY:[B
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        29: .line 251
            aload 12 /* parentDirents */
            aload 13 /* fileName */
            aload 14 /* inode */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        30: .line 252
            aload 0 /* this */
            lload 10 /* parentInode */
            aload 12 /* parentDirents */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.writeDir:(JLjava/util/Map;)V
        31: .line 253
            goto 41
        32: .line 254
      StackMap locals:
      StackMap stack:
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.CREATE_NEW:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifeq 34
        33: .line 255
            new java.nio.file.FileAlreadyExistsException
            dup
            aload 1 /* path */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokespecial java.nio.file.FileAlreadyExistsException.<init>:(Ljava/lang/String;)V
            athrow
        34: .line 257
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            aload 14 /* inode */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
            astore 15 /* fileInfo */
        start local 15 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
        35: .line 258
            aload 15 /* fileInfo */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.isFile:()Z
            ifne 37
        36: .line 259
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            aload 1 /* path */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " is a directory."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        37: .line 261
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
      StackMap stack:
            iload 6 /* read */
            ifeq 39
            aload 15 /* fileInfo */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.permissions:Ljava/util/Set;
            getstatic java.nio.file.AccessMode.READ:Ljava/nio/file/AccessMode;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifne 39
        38: .line 262
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Cannot read: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* path */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        39: .line 264
      StackMap locals:
      StackMap stack:
            iload 7 /* write */
            ifeq 41
            aload 15 /* fileInfo */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.permissions:Ljava/util/Set;
            getstatic java.nio.file.AccessMode.WRITE:Ljava/nio/file/AccessMode;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifne 41
        40: .line 265
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Read only: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* path */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        end local 15 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
        41: .line 268
      StackMap locals:
      StackMap stack:
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.DELETE_ON_CLOSE:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            istore 15 /* deleteOnClose */
        start local 15 // boolean deleteOnClose
        42: .line 269
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.blocks:Ljava/util/Map;
            aload 14 /* inode */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast byte[]
            astore 16 /* origData */
        start local 16 // byte[] origData
        43: .line 270
            iload 7 /* write */
            ifeq 44
            aload 2 /* options */
            getstatic java.nio.file.StandardOpenOption.TRUNCATE_EXISTING:Ljava/nio/file/StandardOpenOption;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifeq 44
            getstatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem.EMPTY:[B
            goto 45
      StackMap locals: int byte[]
      StackMap stack:
        44: aload 16 /* origData */
            aload 16 /* origData */
            arraylength
            invokestatic java.util.Arrays.copyOf:([BI)[B
      StackMap locals:
      StackMap stack: byte[]
        45: astore 17 /* data */
        start local 17 // byte[] data
        46: .line 271
            aload 14 /* inode */
            invokevirtual java.lang.Long.longValue:()J
            lstore 18 /* inodeFin */
        start local 18 // long inodeFin
        47: .line 272
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$3
            dup
            aload 0 /* this */
            lload 18 /* inodeFin */
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$3.<init>:(Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;J)V
            astore 20 /* syncAction */
        start local 20 // java.util.function.BiConsumer syncAction
        48: .line 278
            iload 6 /* read */
            istore 21 /* readFin */
        start local 21 // boolean readFin
        49: .line 279
            iload 7 /* write */
            istore 22 /* writeFin */
        start local 22 // boolean writeFin
        50: .line 280
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$4
            dup
            aload 0 /* this */
            lload 18 /* inodeFin */
            iload 21 /* readFin */
            iload 22 /* writeFin */
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$4.<init>:(Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;JZZ)V
            astore 23 /* metaSyncAction */
        start local 23 // java.util.function.BiConsumer metaSyncAction
        51: .line 293
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$5
            dup
            aload 0 /* this */
            iload 15 /* deleteOnClose */
            aload 4 /* absolutePath */
            aload 20 /* syncAction */
            aload 23 /* metaSyncAction */
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$5.<init>:(Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;ZLjava/nio/file/Path;Ljava/util/function/BiConsumer;Ljava/util/function/BiConsumer;)V
            astore 24 /* closeAction */
        start local 24 // java.util.function.BiConsumer closeAction
        52: .line 313
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$ChannelImpl
            dup
        53: .line 314
            aload 17 /* data */
        54: .line 315
            aload 24 /* closeAction */
        55: .line 316
            iload 6 /* read */
        56: .line 317
            iload 7 /* write */
        57: .line 318
            iload 8 /* append */
        58: .line 313
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$ChannelImpl.<init>:([BLjava/util/function/BiConsumer;ZZZ)V
            areturn
        end local 24 // java.util.function.BiConsumer closeAction
        end local 23 // java.util.function.BiConsumer metaSyncAction
        end local 22 // boolean writeFin
        end local 21 // boolean readFin
        end local 20 // java.util.function.BiConsumer syncAction
        end local 18 // long inodeFin
        end local 17 // byte[] data
        end local 16 // byte[] origData
        end local 15 // boolean deleteOnClose
        end local 14 // java.lang.Long inode
        end local 13 // java.lang.String fileName
        end local 12 // java.util.Map parentDirents
        end local 10 // long parentInode
        end local 9 // java.util.Map$Entry e
        end local 8 // boolean append
        end local 7 // boolean write
        end local 6 // boolean read
        end local 5 // java.nio.file.Path parentPath
        end local 4 // java.nio.file.Path absolutePath
        end local 3 // java.nio.file.attribute.FileAttribute[] attrs
        end local 2 // java.util.Set options
        end local 1 // java.nio.file.Path path
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   59     0            this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0   59     1            path  Ljava/nio/file/Path;
            0   59     2         options  Ljava/util/Set<+Ljava/nio/file/OpenOption;>;
            0   59     3           attrs  [Ljava/nio/file/attribute/FileAttribute;
            5   59     4    absolutePath  Ljava/nio/file/Path;
            6   59     5      parentPath  Ljava/nio/file/Path;
            9   59     6            read  Z
           10   59     7           write  Z
           11   59     8          append  Z
           17   59     9               e  Ljava/util/Map$Entry<Ljava/lang/Long;Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;>;
           18   59    10     parentInode  J
           19   59    12   parentDirents  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;
           20   59    13        fileName  Ljava/lang/String;
           21   59    14           inode  Ljava/lang/Long;
           35   41    15        fileInfo  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;
           42   59    15   deleteOnClose  Z
           43   59    16        origData  [B
           46   59    17            data  [B
           47   59    18        inodeFin  J
           48   59    20      syncAction  Ljava/util/function/BiConsumer<[BLjava/lang/Long;>;
           49   59    21         readFin  Z
           50   59    22        writeFin  Z
           51   59    23  metaSyncAction  Ljava/util/function/BiConsumer<[BLjava/lang/Long;>;
           52   59    24     closeAction  Ljava/util/function/BiConsumer<[BLjava/lang/Long;>;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/nio/file/Path;Ljava/util/Set<+Ljava/nio/file/OpenOption;>;[Ljava/nio/file/attribute/FileAttribute<*>;)Ljava/nio/channels/SeekableByteChannel;
    MethodParameters:
         Name  Flags
      path     
      options  
      attrs    

  public java.util.Map<java.lang.String, java.lang.Object> readAttributes(java.nio.file.Path, java.lang.String, java.nio.file.LinkOption[]);
    descriptor: (Ljava/nio/file/Path;Ljava/lang/String;[Ljava/nio/file/LinkOption;)Ljava/util/Map;
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=6, locals=11, args_size=4
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path path
        start local 2 // java.lang.String attributes
        start local 3 // java.nio.file.LinkOption[] options
         0: .line 323
            aload 0 /* this */
            aload 1 /* path */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.toAbsolutePath:(Ljava/nio/file/Path;)Ljava/nio/file/Path;
            astore 4 /* absolutePath */
        start local 4 // java.nio.file.Path absolutePath
         1: .line 324
            aload 4 /* absolutePath */
            invokeinterface java.nio.file.Path.getParent:()Ljava/nio/file/Path;
            astore 5 /* parentPath */
        start local 5 // java.nio.file.Path parentPath
         2: .line 325
            aload 5 /* parentPath */
            ifnonnull 4
         3: .line 326
            aload 4 /* absolutePath */
            astore 5 /* parentPath */
         4: .line 328
      StackMap locals: java.nio.file.Path java.nio.file.Path
      StackMap stack:
            aload 0 /* this */
            aload 5 /* parentPath */
            getstatic java.nio.file.AccessMode.READ:Ljava/nio/file/AccessMode;
            invokestatic java.util.EnumSet.of:(Ljava/lang/Enum;)Ljava/util/EnumSet;
            iconst_0
            anewarray java.nio.file.LinkOption
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.checkAccess:(Ljava/nio/file/Path;Ljava/util/Set;[Ljava/nio/file/LinkOption;)V
         5: .line 329
            aload 0 /* this */
            aload 4 /* absolutePath */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.findInode:(Ljava/nio/file/Path;)Ljava/lang/Long;
            astore 6 /* inode */
        start local 6 // java.lang.Long inode
         6: .line 330
            aload 6 /* inode */
            ifnonnull 8
         7: .line 331
            new java.nio.file.NoSuchFileException
            dup
            aload 1 /* path */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokespecial java.nio.file.NoSuchFileException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 333
      StackMap locals: java.lang.Long
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            aload 6 /* inode */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
            astore 7 /* fileInfo */
        start local 7 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
         9: .line 334
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.blocks:Ljava/util/Map;
            aload 6 /* inode */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast byte[]
            arraylength
            istore 8 /* size */
        start local 8 // int size
        10: .line 335
            aload 2 /* attributes */
            invokestatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem.parse:(Ljava/lang/String;)[Ljava/lang/Object;
            astore 9 /* parsedAttributes */
        start local 9 // java.lang.Object[] parsedAttributes
        11: .line 336
            aload 9 /* parsedAttributes */
            iconst_0
            aaload
            checkcast java.lang.String
            dup
            astore 10
            invokevirtual java.lang.String.hashCode:()I
            lookupswitch { // 2
             93508654: 12
            106855043: 13
              default: 16
          }
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem java.nio.file.Path java.lang.String java.nio.file.LinkOption[] java.nio.file.Path java.nio.file.Path java.lang.Long com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo int java.lang.Object[] java.lang.String
      StackMap stack:
        12: aload 10
            ldc "basic"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 14
            goto 16
      StackMap locals:
      StackMap stack:
        13: aload 10
            ldc "posix"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 15
            goto 16
        14: .line 338
      StackMap locals:
      StackMap stack:
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$BasicFileAttributes
            dup
            aload 6 /* inode */
            invokevirtual java.lang.Long.longValue:()J
            aload 7 /* fileInfo */
            iload 8 /* size */
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$BasicFileAttributes.<init>:(JLcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;I)V
            aload 9 /* parsedAttributes */
            iconst_1
            aaload
            checkcast java.lang.String[]
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$BasicFileAttributes.asMap:([Ljava/lang/String;)Ljava/util/Map;
            areturn
        15: .line 340
      StackMap locals:
      StackMap stack:
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$PermissionsAttributes
            dup
            aload 6 /* inode */
            invokevirtual java.lang.Long.longValue:()J
            aload 7 /* fileInfo */
            iload 8 /* size */
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$PermissionsAttributes.<init>:(JLcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;I)V
            aload 9 /* parsedAttributes */
            iconst_1
            aaload
            checkcast java.lang.String[]
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$PermissionsAttributes.asMap:([Ljava/lang/String;)Ljava/util/Map;
            areturn
        16: .line 342
      StackMap locals:
      StackMap stack:
            new java.lang.UnsupportedOperationException
            dup
            aload 9 /* parsedAttributes */
            iconst_0
            aaload
            checkcast java.lang.String
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 9 // java.lang.Object[] parsedAttributes
        end local 8 // int size
        end local 7 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
        end local 6 // java.lang.Long inode
        end local 5 // java.nio.file.Path parentPath
        end local 4 // java.nio.file.Path absolutePath
        end local 3 // java.nio.file.LinkOption[] options
        end local 2 // java.lang.String attributes
        end local 1 // java.nio.file.Path path
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0   17     0              this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0   17     1              path  Ljava/nio/file/Path;
            0   17     2        attributes  Ljava/lang/String;
            0   17     3           options  [Ljava/nio/file/LinkOption;
            1   17     4      absolutePath  Ljava/nio/file/Path;
            2   17     5        parentPath  Ljava/nio/file/Path;
            6   17     6             inode  Ljava/lang/Long;
            9   17     7          fileInfo  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;
           10   17     8              size  I
           11   17     9  parsedAttributes  [Ljava/lang/Object;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/nio/file/Path;Ljava/lang/String;[Ljava/nio/file/LinkOption;)Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;
    MethodParameters:
            Name  Flags
      path        
      attributes  
      options     

  public void setAttribute(java.nio.file.Path, java.lang.String, java.lang.Object, java.nio.file.LinkOption[]);
    descriptor: (Ljava/nio/file/Path;Ljava/lang/String;Ljava/lang/Object;[Ljava/nio/file/LinkOption;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=6, locals=13, args_size=5
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path path
        start local 2 // java.lang.String attribute
        start local 3 // java.lang.Object value
        start local 4 // java.nio.file.LinkOption[] options
         0: .line 348
            aload 2 /* attribute */
            invokestatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem.parse:(Ljava/lang/String;)[Ljava/lang/Object;
            astore 5 /* parsedAttributes */
        start local 5 // java.lang.Object[] parsedAttributes
         1: .line 349
            aload 5 /* parsedAttributes */
            iconst_1
            aaload
            checkcast java.lang.String[]
            astore 6 /* attributeNames */
        start local 6 // java.lang.String[] attributeNames
         2: .line 350
            aload 6 /* attributeNames */
            arraylength
            iconst_1
            if_icmpeq 4
         3: .line 351
            new java.lang.IllegalArgumentException
            dup
            aload 2 /* attribute */
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 353
      StackMap locals: java.lang.Object[] java.lang.String[]
      StackMap stack:
            aload 0 /* this */
            aload 1 /* path */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.toAbsolutePath:(Ljava/nio/file/Path;)Ljava/nio/file/Path;
            astore 7 /* absolutePath */
        start local 7 // java.nio.file.Path absolutePath
         5: .line 354
            aload 7 /* absolutePath */
            invokeinterface java.nio.file.Path.getParent:()Ljava/nio/file/Path;
            astore 8 /* parentPath */
        start local 8 // java.nio.file.Path parentPath
         6: .line 355
            aload 8 /* parentPath */
            ifnonnull 8
         7: .line 356
            aload 7 /* absolutePath */
            astore 8 /* parentPath */
         8: .line 358
      StackMap locals: java.nio.file.Path java.nio.file.Path
      StackMap stack:
            aload 0 /* this */
            aload 8 /* parentPath */
            getstatic java.nio.file.AccessMode.WRITE:Ljava/nio/file/AccessMode;
            invokestatic java.util.EnumSet.of:(Ljava/lang/Enum;)Ljava/util/EnumSet;
            iconst_0
            anewarray java.nio.file.LinkOption
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.checkAccess:(Ljava/nio/file/Path;Ljava/util/Set;[Ljava/nio/file/LinkOption;)V
         9: .line 359
            aload 0 /* this */
            aload 7 /* absolutePath */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.findInode:(Ljava/nio/file/Path;)Ljava/lang/Long;
            astore 9 /* inode */
        start local 9 // java.lang.Long inode
        10: .line 360
            aload 9 /* inode */
            ifnonnull 12
        11: .line 361
            new java.nio.file.NoSuchFileException
            dup
            aload 1 /* path */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokespecial java.nio.file.NoSuchFileException.<init>:(Ljava/lang/String;)V
            athrow
        12: .line 363
      StackMap locals: java.lang.Long
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            aload 9 /* inode */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
            astore 10 /* fileInfo */
        start local 10 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
        13: .line 364
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.blocks:Ljava/util/Map;
            aload 9 /* inode */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast byte[]
            arraylength
            istore 11 /* size */
        start local 11 // int size
        14: .line 365
            aload 5 /* parsedAttributes */
            iconst_0
            aaload
            checkcast java.lang.String
            dup
            astore 12
            invokevirtual java.lang.String.hashCode:()I
            lookupswitch { // 2
             93508654: 15
            106855043: 16
              default: 21
          }
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo int java.lang.String
      StackMap stack:
        15: aload 12
            ldc "basic"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 17
            goto 21
      StackMap locals:
      StackMap stack:
        16: aload 12
            ldc "posix"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 19
            goto 21
        17: .line 367
      StackMap locals:
      StackMap stack:
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$BasicFileAttributes
            dup
            aload 9 /* inode */
            invokevirtual java.lang.Long.longValue:()J
            aload 10 /* fileInfo */
            iload 11 /* size */
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$BasicFileAttributes.<init>:(JLcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;I)V
            aload 6 /* attributeNames */
            iconst_0
            aaload
            aload 3 /* value */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$BasicFileAttributes.setValue:(Ljava/lang/String;Ljava/lang/Object;)Z
            pop
        18: .line 368
            goto 22
        19: .line 370
      StackMap locals:
      StackMap stack:
            new com.oracle.truffle.api.test.polyglot.MemoryFileSystem$PermissionsAttributes
            dup
            aload 9 /* inode */
            invokevirtual java.lang.Long.longValue:()J
            aload 10 /* fileInfo */
            iload 11 /* size */
            invokespecial com.oracle.truffle.api.test.polyglot.MemoryFileSystem$PermissionsAttributes.<init>:(JLcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;I)V
            aload 6 /* attributeNames */
            iconst_0
            aaload
            aload 3 /* value */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$PermissionsAttributes.setValue:(Ljava/lang/String;Ljava/lang/Object;)Z
            pop
        20: .line 371
            goto 22
        21: .line 373
      StackMap locals:
      StackMap stack:
            new java.lang.UnsupportedOperationException
            dup
            aload 5 /* parsedAttributes */
            iconst_0
            aaload
            checkcast java.lang.String
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        22: .line 375
      StackMap locals:
      StackMap stack:
            return
        end local 11 // int size
        end local 10 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
        end local 9 // java.lang.Long inode
        end local 8 // java.nio.file.Path parentPath
        end local 7 // java.nio.file.Path absolutePath
        end local 6 // java.lang.String[] attributeNames
        end local 5 // java.lang.Object[] parsedAttributes
        end local 4 // java.nio.file.LinkOption[] options
        end local 3 // java.lang.Object value
        end local 2 // java.lang.String attribute
        end local 1 // java.nio.file.Path path
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0   23     0              this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0   23     1              path  Ljava/nio/file/Path;
            0   23     2         attribute  Ljava/lang/String;
            0   23     3             value  Ljava/lang/Object;
            0   23     4           options  [Ljava/nio/file/LinkOption;
            1   23     5  parsedAttributes  [Ljava/lang/Object;
            2   23     6    attributeNames  [Ljava/lang/String;
            5   23     7      absolutePath  Ljava/nio/file/Path;
            6   23     8        parentPath  Ljava/nio/file/Path;
           10   23     9             inode  Ljava/lang/Long;
           13   23    10          fileInfo  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;
           14   23    11              size  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
           Name  Flags
      path       
      attribute  
      value      
      options    

  public java.nio.file.Path toAbsolutePath(java.nio.file.Path);
    descriptor: (Ljava/nio/file/Path;)Ljava/nio/file/Path;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path path
         0: .line 379
            aload 1 /* path */
            invokeinterface java.nio.file.Path.isAbsolute:()Z
            ifeq 2
         1: .line 380
            aload 1 /* path */
            areturn
         2: .line 382
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.userDir:Ljava/nio/file/Path;
            aload 1 /* path */
            invokeinterface java.nio.file.Path.resolve:(Ljava/nio/file/Path;)Ljava/nio/file/Path;
            areturn
        end local 1 // java.nio.file.Path path
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0    3     1  path  Ljava/nio/file/Path;
    MethodParameters:
      Name  Flags
      path  final

  public void setCurrentWorkingDirectory(java.nio.file.Path);
    descriptor: (Ljava/nio/file/Path;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path currentWorkingDirectory
         0: .line 387
            aload 1 /* currentWorkingDirectory */
            ldc "Current working directory must be non null."
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         1: .line 388
            aload 0 /* this */
            aload 1 /* currentWorkingDirectory */
            putfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.userDir:Ljava/nio/file/Path;
         2: .line 389
            return
        end local 1 // java.nio.file.Path currentWorkingDirectory
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot                     Name  Signature
            0    3     0                     this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0    3     1  currentWorkingDirectory  Ljava/nio/file/Path;
    MethodParameters:
                         Name  Flags
      currentWorkingDirectory  

  public java.nio.file.Path toRealPath(java.nio.file.Path, java.nio.file.LinkOption[]);
    descriptor: (Ljava/nio/file/Path;[Ljava/nio/file/LinkOption;)Ljava/nio/file/Path;
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path path
        start local 2 // java.nio.file.LinkOption[] options
         0: .line 393
            aload 0 /* this */
            aload 1 /* path */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.toAbsolutePath:(Ljava/nio/file/Path;)Ljava/nio/file/Path;
            areturn
        end local 2 // java.nio.file.LinkOption[] options
        end local 1 // java.nio.file.Path path
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0    1     1     path  Ljava/nio/file/Path;
            0    1     2  options  [Ljava/nio/file/LinkOption;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      path     final
      options  

  public void createDirectory(java.nio.file.Path, java.nio.file.attribute.FileAttribute<?>[]);
    descriptor: (Ljava/nio/file/Path;[Ljava/nio/file/attribute/FileAttribute;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=4, locals=10, args_size=3
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path dir
        start local 2 // java.nio.file.attribute.FileAttribute[] attrs
         0: .line 398
            aload 0 /* this */
            aload 1 /* dir */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.toAbsolutePath:(Ljava/nio/file/Path;)Ljava/nio/file/Path;
            astore 3 /* absolutePath */
        start local 3 // java.nio.file.Path absolutePath
         1: .line 399
            aload 3 /* absolutePath */
            invokeinterface java.nio.file.Path.getParent:()Ljava/nio/file/Path;
            astore 4 /* parentPath */
        start local 4 // java.nio.file.Path parentPath
         2: .line 400
            aload 4 /* parentPath */
            ifnonnull 4
         3: .line 401
            new java.io.IOException
            dup
            ldc "Cannot create root."
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 403
      StackMap locals: java.nio.file.Path java.nio.file.Path
      StackMap stack:
            aload 0 /* this */
            aload 4 /* parentPath */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.readDir:(Ljava/nio/file/Path;)Ljava/util/Map$Entry;
            astore 5 /* e */
        start local 5 // java.util.Map$Entry e
         5: .line 404
            aload 5 /* e */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.Long
            invokevirtual java.lang.Long.longValue:()J
            lstore 6 /* inode */
        start local 6 // long inode
         6: .line 405
            aload 5 /* e */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.util.Map
            astore 8 /* dirents */
        start local 8 // java.util.Map dirents
         7: .line 406
            aload 3 /* absolutePath */
            invokeinterface java.nio.file.Path.getFileName:()Ljava/nio/file/Path;
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            astore 9 /* fileName */
        start local 9 // java.lang.String fileName
         8: .line 407
            aload 8 /* dirents */
            aload 9 /* fileName */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            ifnull 10
         9: .line 408
            new java.nio.file.FileAlreadyExistsException
            dup
            aload 1 /* dir */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokespecial java.nio.file.FileAlreadyExistsException.<init>:(Ljava/lang/String;)V
            athrow
        10: .line 410
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem java.nio.file.Path java.nio.file.attribute.FileAttribute[] java.nio.file.Path java.nio.file.Path java.util.Map$Entry long java.util.Map java.lang.String
      StackMap stack:
            aload 8 /* dirents */
            aload 9 /* fileName */
            aload 0 /* this */
            aload 2 /* attrs */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.createDirectoryImpl:([Ljava/nio/file/attribute/FileAttribute;)J
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        11: .line 411
            aload 0 /* this */
            lload 6 /* inode */
            aload 8 /* dirents */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.writeDir:(JLjava/util/Map;)V
        12: .line 412
            return
        end local 9 // java.lang.String fileName
        end local 8 // java.util.Map dirents
        end local 6 // long inode
        end local 5 // java.util.Map$Entry e
        end local 4 // java.nio.file.Path parentPath
        end local 3 // java.nio.file.Path absolutePath
        end local 2 // java.nio.file.attribute.FileAttribute[] attrs
        end local 1 // java.nio.file.Path dir
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   13     0          this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0   13     1           dir  Ljava/nio/file/Path;
            0   13     2         attrs  [Ljava/nio/file/attribute/FileAttribute;
            1   13     3  absolutePath  Ljava/nio/file/Path;
            2   13     4    parentPath  Ljava/nio/file/Path;
            5   13     5             e  Ljava/util/Map$Entry<Ljava/lang/Long;Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;>;
            6   13     6         inode  J
            7   13     8       dirents  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;
            8   13     9      fileName  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/nio/file/Path;[Ljava/nio/file/attribute/FileAttribute<*>;)V
    MethodParameters:
       Name  Flags
      dir    
      attrs  

  public java.lang.String getSeparator();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
         0: .line 416
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.root:Ljava/nio/file/Path;
            checkcast com.oracle.truffle.api.test.polyglot.MemoryFileSystem$MemoryPath
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem$MemoryPath.delegate:Ljava/nio/file/Path;
            invokeinterface java.nio.file.Path.getFileSystem:()Ljava/nio/file/FileSystem;
            invokevirtual java.nio.file.FileSystem.getSeparator:()Ljava/lang/String;
            areturn
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;

  public java.nio.file.Path getTempDirectory();
    descriptor: ()Ljava/nio/file/Path;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
         0: .line 421
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.tmpDir:Ljava/nio/file/Path;
            areturn
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;

  private static java.lang.Object[] parse(java.lang.String);
    descriptor: (Ljava/lang/String;)[Ljava/lang/Object;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=1
        start local 0 // java.lang.String attributesSelector
         0: .line 425
            iconst_2
            anewarray java.lang.Object
            astore 1 /* result */
        start local 1 // java.lang.Object[] result
         1: .line 426
            aload 0 /* attributesSelector */
            bipush 58
            invokevirtual java.lang.String.indexOf:(I)I
            istore 2 /* index */
        start local 2 // int index
         2: .line 428
            iload 2 /* index */
            ifge 6
         3: .line 429
            aload 1 /* result */
            iconst_0
            ldc "basic"
            aastore
         4: .line 430
            aload 0 /* attributesSelector */
            astore 3 /* names */
        start local 3 // java.lang.String names
         5: .line 431
            goto 10
        end local 3 // java.lang.String names
         6: .line 432
      StackMap locals: java.lang.Object[] int
      StackMap stack:
            aload 1 /* result */
            iconst_0
            aload 0 /* attributesSelector */
            iconst_0
            iload 2 /* index */
            iinc 2 /* index */ 1
            invokevirtual java.lang.String.substring:(II)Ljava/lang/String;
            aastore
         7: .line 433
            iload 2 /* index */
            aload 0 /* attributesSelector */
            invokevirtual java.lang.String.length:()I
            if_icmpne 8
            ldc ""
            goto 9
      StackMap locals:
      StackMap stack:
         8: aload 0 /* attributesSelector */
            iload 2 /* index */
            invokevirtual java.lang.String.substring:(I)Ljava/lang/String;
      StackMap locals:
      StackMap stack: java.lang.String
         9: astore 3 /* names */
        start local 3 // java.lang.String names
        10: .line 435
      StackMap locals: java.lang.String
      StackMap stack:
            aload 1 /* result */
            iconst_1
            aload 3 /* names */
            ldc ","
            invokevirtual java.lang.String.split:(Ljava/lang/String;)[Ljava/lang/String;
            aastore
        11: .line 436
            aload 1 /* result */
            areturn
        end local 3 // java.lang.String names
        end local 2 // int index
        end local 1 // java.lang.Object[] result
        end local 0 // java.lang.String attributesSelector
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0   12     0  attributesSelector  Ljava/lang/String;
            1   12     1              result  [Ljava/lang/Object;
            2   12     2               index  I
            5    6     3               names  Ljava/lang/String;
           10   12     3               names  Ljava/lang/String;
    MethodParameters:
                    Name  Flags
      attributesSelector  

  private long createDirectoryImpl(java.nio.file.attribute.FileAttribute<?>[]);
    descriptor: ([Ljava/nio/file/attribute/FileAttribute;)J
    flags: (0x0082) ACC_PRIVATE, ACC_VARARGS
    Code:
      stack=7, locals=5, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.attribute.FileAttribute[] attrs
         0: .line 440
            getstatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileType.DIRECTORY:Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileType;
            invokestatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.newBuilder:(Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileType;)Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo$Builder;
            aload 1 /* attrs */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo$Builder.permissions:([Ljava/nio/file/attribute/FileAttribute;)Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo$Builder;
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo$Builder.build:()Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;
            astore 2 /* fileInfo */
        start local 2 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
         1: .line 441
            aload 0 /* this */
            dup
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.nextInode:J
            dup2_x1
            lconst_1
            ladd
            putfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.nextInode:J
            lstore 3 /* currentInode */
        start local 3 // long currentInode
         2: .line 442
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            lload 3 /* currentInode */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aload 2 /* fileInfo */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         3: .line 443
            aload 0 /* this */
            lload 3 /* currentInode */
            invokestatic java.util.Collections.emptyMap:()Ljava/util/Map;
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.writeDir:(JLjava/util/Map;)V
         4: .line 444
            lload 3 /* currentInode */
            lreturn
        end local 3 // long currentInode
        end local 2 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
        end local 1 // java.nio.file.attribute.FileAttribute[] attrs
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    5     0          this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0    5     1         attrs  [Ljava/nio/file/attribute/FileAttribute;
            1    5     2      fileInfo  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;
            2    5     3  currentInode  J
    Exceptions:
      throws java.io.IOException
    Signature: ([Ljava/nio/file/attribute/FileAttribute<*>;)J
    MethodParameters:
       Name  Flags
      attrs  

  private java.util.Map<java.lang.String, java.lang.Long> readDir(long);
    descriptor: (J)Ljava/util/Map;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=7, locals=12, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // long forInode
         0: .line 448
            aconst_null
            astore 3
            aconst_null
            astore 4
         1: new java.io.DataInputStream
            dup
            new java.io.ByteArrayInputStream
            dup
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.blocks:Ljava/util/Map;
            lload 1 /* forInode */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast byte[]
            invokespecial java.io.ByteArrayInputStream.<init>:([B)V
            invokespecial java.io.DataInputStream.<init>:(Ljava/io/InputStream;)V
            astore 5 /* in */
        start local 5 // java.io.DataInputStream in
         2: .line 449
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 6 /* result */
        start local 6 // java.util.Map result
         3: .line 450
            aload 5 /* in */
            invokevirtual java.io.DataInputStream.readInt:()I
            istore 7 /* count */
        start local 7 // int count
         4: .line 451
            iconst_0
            istore 8 /* i */
        start local 8 // int i
         5: goto 10
         6: .line 452
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem long java.lang.Throwable java.lang.Throwable java.io.DataInputStream java.util.Map int int
      StackMap stack:
            aload 5 /* in */
            invokevirtual java.io.DataInputStream.readUTF:()Ljava/lang/String;
            astore 9 /* name */
        start local 9 // java.lang.String name
         7: .line 453
            aload 5 /* in */
            invokevirtual java.io.DataInputStream.readLong:()J
            lstore 10 /* inode */
        start local 10 // long inode
         8: .line 454
            aload 6 /* result */
            aload 9 /* name */
            lload 10 /* inode */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 10 // long inode
        end local 9 // java.lang.String name
         9: .line 451
            iinc 8 /* i */ 1
      StackMap locals:
      StackMap stack:
        10: iload 8 /* i */
            iload 7 /* count */
            if_icmplt 6
        end local 8 // int i
        11: .line 456
            aload 6 /* result */
        12: .line 457
            aload 5 /* in */
            ifnull 13
            aload 5 /* in */
            invokevirtual java.io.DataInputStream.close:()V
        13: .line 456
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem long java.lang.Throwable java.lang.Throwable java.io.DataInputStream java.util.Map int
      StackMap stack: java.util.Map
            areturn
        end local 7 // int count
        end local 6 // java.util.Map result
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem long java.lang.Throwable java.lang.Throwable java.io.DataInputStream
      StackMap stack: java.lang.Throwable
        14: astore 3
        15: .line 457
            aload 5 /* in */
            ifnull 16
            aload 5 /* in */
            invokevirtual java.io.DataInputStream.close:()V
        end local 5 // java.io.DataInputStream in
      StackMap locals:
      StackMap stack:
        16: aload 3
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        17: astore 4
            aload 3
            ifnonnull 18
            aload 4
            astore 3
            goto 19
      StackMap locals:
      StackMap stack:
        18: aload 3
            aload 4
            if_acmpeq 19
            aload 3
            aload 4
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        19: aload 3
            athrow
        end local 1 // long forInode
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   20     0      this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0   20     1  forInode  J
            2   16     5        in  Ljava/io/DataInputStream;
            3   14     6    result  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;
            4   14     7     count  I
            5   11     8         i  I
            7    9     9      name  Ljava/lang/String;
            8    9    10     inode  J
      Exception table:
        from    to  target  type
           2    12      14  any
           1    13      17  any
          14    17      17  any
    Exceptions:
      throws java.io.IOException
    Signature: (J)Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;
    MethodParameters:
          Name  Flags
      forInode  

  private void writeDir(long, java.util.Map<java.lang.String, java.lang.Long>);
    descriptor: (JLjava/util/Map;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // long forInode
        start local 3 // java.util.Map dir
         0: .line 461
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.blocks:Ljava/util/Map;
            lload 1 /* forInode */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aload 3 /* dir */
            invokestatic com.oracle.truffle.api.test.polyglot.MemoryFileSystem.serializeDir:(Ljava/util/Map;)[B
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 462
            return
        end local 3 // java.util.Map dir
        end local 1 // long forInode
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0    2     1  forInode  J
            0    2     3       dir  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;
    Exceptions:
      throws java.io.IOException
    Signature: (JLjava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;)V
    MethodParameters:
          Name  Flags
      forInode  
      dir       

  private static byte[] serializeDir(java.util.Map<java.lang.String, java.lang.Long>);
    descriptor: (Ljava/util/Map;)[B
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=7, args_size=1
        start local 0 // java.util.Map dir
         0: .line 465
            aconst_null
            astore 1
            aconst_null
            astore 2
         1: new java.io.ByteArrayOutputStream
            dup
            invokespecial java.io.ByteArrayOutputStream.<init>:()V
            astore 3 /* bout */
        start local 3 // java.io.ByteArrayOutputStream bout
         2: new java.io.DataOutputStream
            dup
            aload 3 /* bout */
            invokespecial java.io.DataOutputStream.<init>:(Ljava/io/OutputStream;)V
            astore 4 /* out */
        start local 4 // java.io.DataOutputStream out
         3: .line 466
            aload 4 /* out */
            aload 0 /* dir */
            invokeinterface java.util.Map.size:()I
            invokevirtual java.io.DataOutputStream.writeInt:(I)V
         4: .line 467
            aload 0 /* dir */
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 6
            goto 8
      StackMap locals: java.util.Map java.lang.Throwable java.lang.Throwable java.io.ByteArrayOutputStream java.io.DataOutputStream top java.util.Iterator
      StackMap stack:
         5: aload 6
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Map$Entry
            astore 5 /* e */
        start local 5 // java.util.Map$Entry e
         6: .line 468
            aload 4 /* out */
            aload 5 /* e */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.String
            invokevirtual java.io.DataOutputStream.writeUTF:(Ljava/lang/String;)V
         7: .line 469
            aload 4 /* out */
            aload 5 /* e */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.Long
            invokevirtual java.lang.Long.longValue:()J
            invokevirtual java.io.DataOutputStream.writeLong:(J)V
        end local 5 // java.util.Map$Entry e
         8: .line 467
      StackMap locals:
      StackMap stack:
            aload 6
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 5
         9: .line 471
            aload 3 /* bout */
            invokevirtual java.io.ByteArrayOutputStream.toByteArray:()[B
        10: .line 472
            aload 4 /* out */
            ifnull 11
            aload 4 /* out */
            invokevirtual java.io.DataOutputStream.close:()V
      StackMap locals: java.util.Map java.lang.Throwable java.lang.Throwable java.io.ByteArrayOutputStream java.io.DataOutputStream
      StackMap stack: byte[]
        11: aload 3 /* bout */
            ifnull 12
            aload 3 /* bout */
            invokevirtual java.io.ByteArrayOutputStream.close:()V
        12: .line 471
      StackMap locals:
      StackMap stack: byte[]
            areturn
      StackMap locals:
      StackMap stack: java.lang.Throwable
        13: astore 1
        14: .line 472
            aload 4 /* out */
            ifnull 15
            aload 4 /* out */
            invokevirtual java.io.DataOutputStream.close:()V
        end local 4 // java.io.DataOutputStream out
      StackMap locals:
      StackMap stack:
        15: aload 1
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        16: astore 2
            aload 1
            ifnonnull 17
            aload 2
            astore 1
            goto 18
      StackMap locals:
      StackMap stack:
        17: aload 1
            aload 2
            if_acmpeq 18
            aload 1
            aload 2
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        18: aload 3 /* bout */
            ifnull 19
            aload 3 /* bout */
            invokevirtual java.io.ByteArrayOutputStream.close:()V
        end local 3 // java.io.ByteArrayOutputStream bout
      StackMap locals:
      StackMap stack:
        19: aload 1
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        20: astore 2
            aload 1
            ifnonnull 21
            aload 2
            astore 1
            goto 22
      StackMap locals:
      StackMap stack:
        21: aload 1
            aload 2
            if_acmpeq 22
            aload 1
            aload 2
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        22: aload 1
            athrow
        end local 0 // java.util.Map dir
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   23     0   dir  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;
            2   19     3  bout  Ljava/io/ByteArrayOutputStream;
            3   15     4   out  Ljava/io/DataOutputStream;
            6    8     5     e  Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/Long;>;
      Exception table:
        from    to  target  type
           3    10      13  any
           2    11      16  any
          13    16      16  any
           1    12      20  any
          13    20      20  any
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;)[B
    MethodParameters:
      Name  Flags
      dir   

  private java.util.Map$Entry<java.lang.Long, java.util.Map<java.lang.String, java.lang.Long>> readDir(java.nio.file.Path);
    descriptor: (Ljava/nio/file/Path;)Ljava/util/Map$Entry;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=7, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path forDir
         0: .line 476
            lconst_0
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            astore 2 /* inode */
        start local 2 // java.lang.Long inode
         1: .line 477
            aload 0 /* this */
            aload 2 /* inode */
            invokevirtual java.lang.Long.longValue:()J
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.readDir:(J)Ljava/util/Map;
            astore 3 /* dirents */
        start local 3 // java.util.Map dirents
         2: .line 478
            aload 1 /* forDir */
            invokeinterface java.nio.file.Path.iterator:()Ljava/util/Iterator;
            astore 5
            goto 11
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem java.nio.file.Path java.lang.Long java.util.Map top java.util.Iterator
      StackMap stack:
         3: aload 5
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.nio.file.Path
            astore 4 /* p */
        start local 4 // java.nio.file.Path p
         4: .line 479
            aload 3 /* dirents */
            aload 4 /* p */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Long
            astore 2 /* inode */
         5: .line 480
            aload 2 /* inode */
            ifnonnull 7
         6: .line 481
            new java.io.IOException
            dup
            ldc "Parent does not exist"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 483
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem java.nio.file.Path java.lang.Long java.util.Map java.nio.file.Path java.util.Iterator
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            aload 2 /* inode */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
            astore 6 /* fileInfo */
        start local 6 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
         8: .line 484
            aload 6 /* fileInfo */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.isDirectory:()Z
            ifne 10
         9: .line 485
            new java.io.IOException
            dup
            ldc "Parent is not a directory"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        10: .line 487
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
      StackMap stack:
            aload 0 /* this */
            aload 2 /* inode */
            invokevirtual java.lang.Long.longValue:()J
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.readDir:(J)Ljava/util/Map;
            astore 3 /* dirents */
        end local 6 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
        end local 4 // java.nio.file.Path p
        11: .line 478
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem java.nio.file.Path java.lang.Long java.util.Map top java.util.Iterator
      StackMap stack:
            aload 5
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
        12: .line 489
            new java.util.AbstractMap$SimpleImmutableEntry
            dup
            aload 2 /* inode */
            aload 3 /* dirents */
            invokespecial java.util.AbstractMap$SimpleImmutableEntry.<init>:(Ljava/lang/Object;Ljava/lang/Object;)V
            areturn
        end local 3 // java.util.Map dirents
        end local 2 // java.lang.Long inode
        end local 1 // java.nio.file.Path forDir
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   13     0      this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0   13     1    forDir  Ljava/nio/file/Path;
            1   13     2     inode  Ljava/lang/Long;
            2   13     3   dirents  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;
            4   11     4         p  Ljava/nio/file/Path;
            8   11     6  fileInfo  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/nio/file/Path;)Ljava/util/Map$Entry<Ljava/lang/Long;Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;>;
    MethodParameters:
        Name  Flags
      forDir  

  private java.lang.Long findInode(java.nio.file.Path);
    descriptor: (Ljava/nio/file/Path;)Ljava/lang/Long;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=8, args_size=2
        start local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
        start local 1 // java.nio.file.Path path
         0: .line 493
            lconst_0
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            astore 2 /* inode */
        start local 2 // java.lang.Long inode
         1: .line 494
            aload 1 /* path */
            invokeinterface java.nio.file.Path.getParent:()Ljava/nio/file/Path;
            astore 3 /* parentPath */
        start local 3 // java.nio.file.Path parentPath
         2: .line 495
            aload 3 /* parentPath */
            ifnonnull 4
         3: .line 496
            aload 2 /* inode */
            areturn
         4: .line 498
      StackMap locals: java.lang.Long java.nio.file.Path
      StackMap stack:
            aload 0 /* this */
            aload 2 /* inode */
            invokevirtual java.lang.Long.longValue:()J
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.readDir:(J)Ljava/util/Map;
            astore 4 /* dirents */
        start local 4 // java.util.Map dirents
         5: .line 499
            aload 3 /* parentPath */
            invokeinterface java.nio.file.Path.iterator:()Ljava/util/Iterator;
            astore 6
            goto 14
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem java.nio.file.Path java.lang.Long java.nio.file.Path java.util.Map top java.util.Iterator
      StackMap stack:
         6: aload 6
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.nio.file.Path
            astore 5 /* p */
        start local 5 // java.nio.file.Path p
         7: .line 500
            aload 4 /* dirents */
            aload 5 /* p */
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Long
            astore 2 /* inode */
         8: .line 501
            aload 2 /* inode */
            ifnonnull 10
         9: .line 502
            new java.io.IOException
            dup
            ldc "Parent does not exist"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        10: .line 504
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem java.nio.file.Path java.lang.Long java.nio.file.Path java.util.Map java.nio.file.Path java.util.Iterator
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.api.test.polyglot.MemoryFileSystem.inodes:Ljava/util/Map;
            aload 2 /* inode */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
            astore 7 /* fileInfo */
        start local 7 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
        11: .line 505
            aload 7 /* fileInfo */
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo.isDirectory:()Z
            ifne 13
        12: .line 506
            new java.io.IOException
            dup
            ldc "Parent is not a directory"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        13: .line 508
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
      StackMap stack:
            aload 0 /* this */
            aload 2 /* inode */
            invokevirtual java.lang.Long.longValue:()J
            invokevirtual com.oracle.truffle.api.test.polyglot.MemoryFileSystem.readDir:(J)Ljava/util/Map;
            astore 4 /* dirents */
        end local 7 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo fileInfo
        end local 5 // java.nio.file.Path p
        14: .line 499
      StackMap locals: com.oracle.truffle.api.test.polyglot.MemoryFileSystem java.nio.file.Path java.lang.Long java.nio.file.Path java.util.Map top java.util.Iterator
      StackMap stack:
            aload 6
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 6
        15: .line 510
            aload 4 /* dirents */
            aload 1 /* path */
            invokeinterface java.nio.file.Path.getFileName:()Ljava/nio/file/Path;
            invokeinterface java.nio.file.Path.toString:()Ljava/lang/String;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Long
            areturn
        end local 4 // java.util.Map dirents
        end local 3 // java.nio.file.Path parentPath
        end local 2 // java.lang.Long inode
        end local 1 // java.nio.file.Path path
        end local 0 // com.oracle.truffle.api.test.polyglot.MemoryFileSystem this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   16     0        this  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem;
            0   16     1        path  Ljava/nio/file/Path;
            1   16     2       inode  Ljava/lang/Long;
            2   16     3  parentPath  Ljava/nio/file/Path;
            5   16     4     dirents  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;
            7   14     5           p  Ljava/nio/file/Path;
           11   14     7    fileInfo  Lcom/oracle/truffle/api/test/polyglot/MemoryFileSystem$FileInfo;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      path  
}
SourceFile: "MemoryFileSystem.java"
NestMembers:
  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$1  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$2  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$3  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$4  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$5  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$BasicFileAttributes  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$ChannelImpl  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$DirectoryStreamImpl  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$DirectoryStreamImpl$1  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo$Builder  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileType  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$MemoryPath  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$MemoryPath$1  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$PermissionsAttributes
InnerClasses:
  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$1
  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$2
  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$3
  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$4
  com.oracle.truffle.api.test.polyglot.MemoryFileSystem$5
  private BasicFileAttributes = com.oracle.truffle.api.test.polyglot.MemoryFileSystem$BasicFileAttributes of com.oracle.truffle.api.test.polyglot.MemoryFileSystem
  private final ChannelImpl = com.oracle.truffle.api.test.polyglot.MemoryFileSystem$ChannelImpl of com.oracle.truffle.api.test.polyglot.MemoryFileSystem
  private final DirectoryStreamImpl = com.oracle.truffle.api.test.polyglot.MemoryFileSystem$DirectoryStreamImpl of com.oracle.truffle.api.test.polyglot.MemoryFileSystem
  private final FileInfo = com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo of com.oracle.truffle.api.test.polyglot.MemoryFileSystem
  private final Builder = com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo$Builder of com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileInfo
  private final FileType = com.oracle.truffle.api.test.polyglot.MemoryFileSystem$FileType of com.oracle.truffle.api.test.polyglot.MemoryFileSystem
  private final MemoryPath = com.oracle.truffle.api.test.polyglot.MemoryFileSystem$MemoryPath of com.oracle.truffle.api.test.polyglot.MemoryFileSystem
  private final PermissionsAttributes = com.oracle.truffle.api.test.polyglot.MemoryFileSystem$PermissionsAttributes of com.oracle.truffle.api.test.polyglot.MemoryFileSystem
  public abstract Filter = java.nio.file.DirectoryStream$Filter of java.nio.file.DirectoryStream
  public SimpleImmutableEntry = java.util.AbstractMap$SimpleImmutableEntry of java.util.AbstractMap
  public abstract Entry = java.util.Map$Entry of java.util.Map