public class org.h2.store.DataReader extends java.io.Reader
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.h2.store.DataReader
  super_class: java.io.Reader
{
  private final java.io.InputStream in;
    descriptor: Ljava/io/InputStream;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(java.io.InputStream);
    descriptor: (Ljava/io/InputStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.h2.store.DataReader this
        start local 1 // java.io.InputStream in
         0: .line 27
            aload 0 /* this */
            invokespecial java.io.Reader.<init>:()V
         1: .line 28
            aload 0 /* this */
            aload 1 /* in */
            putfield org.h2.store.DataReader.in:Ljava/io/InputStream;
         2: .line 29
            return
        end local 1 // java.io.InputStream in
        end local 0 // org.h2.store.DataReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/h2/store/DataReader;
            0    3     1    in  Ljava/io/InputStream;
    MethodParameters:
      Name  Flags
      in    

  public byte readByte();
    descriptor: ()B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.h2.store.DataReader this
         0: .line 37
            aload 0 /* this */
            getfield org.h2.store.DataReader.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.read:()I
            istore 1 /* x */
        start local 1 // int x
         1: .line 38
            iload 1 /* x */
            ifge 3
         2: .line 39
            new org.h2.store.DataReader$FastEOFException
            dup
            invokespecial org.h2.store.DataReader$FastEOFException.<init>:()V
            athrow
         3: .line 41
      StackMap locals: int
      StackMap stack:
            iload 1 /* x */
            i2b
            ireturn
        end local 1 // int x
        end local 0 // org.h2.store.DataReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/h2/store/DataReader;
            1    4     1     x  I
    Exceptions:
      throws java.io.IOException

  public int readVarInt();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // org.h2.store.DataReader this
         0: .line 50
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readByte:()B
            istore 1 /* b */
        start local 1 // int b
         1: .line 51
            iload 1 /* b */
            iflt 3
         2: .line 52
            iload 1 /* b */
            ireturn
         3: .line 54
      StackMap locals: int
      StackMap stack:
            iload 1 /* b */
            bipush 127
            iand
            istore 2 /* x */
        start local 2 // int x
         4: .line 55
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readByte:()B
            istore 1 /* b */
         5: .line 56
            iload 1 /* b */
            iflt 7
         6: .line 57
            iload 2 /* x */
            iload 1 /* b */
            bipush 7
            ishl
            ior
            ireturn
         7: .line 59
      StackMap locals: int
      StackMap stack:
            iload 2 /* x */
            iload 1 /* b */
            bipush 127
            iand
            bipush 7
            ishl
            ior
            istore 2 /* x */
         8: .line 60
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readByte:()B
            istore 1 /* b */
         9: .line 61
            iload 1 /* b */
            iflt 11
        10: .line 62
            iload 2 /* x */
            iload 1 /* b */
            bipush 14
            ishl
            ior
            ireturn
        11: .line 64
      StackMap locals:
      StackMap stack:
            iload 2 /* x */
            iload 1 /* b */
            bipush 127
            iand
            bipush 14
            ishl
            ior
            istore 2 /* x */
        12: .line 65
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readByte:()B
            istore 1 /* b */
        13: .line 66
            iload 1 /* b */
            iflt 15
        14: .line 67
            iload 2 /* x */
            iload 1 /* b */
            bipush 21
            ishl
            ior
            ireturn
        15: .line 69
      StackMap locals:
      StackMap stack:
            iload 2 /* x */
            iload 1 /* b */
            bipush 127
            iand
            bipush 21
            ishl
            ior
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readByte:()B
            bipush 28
            ishl
            ior
            ireturn
        end local 2 // int x
        end local 1 // int b
        end local 0 // org.h2.store.DataReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   16     0  this  Lorg/h2/store/DataReader;
            1   16     1     b  I
            4   16     2     x  I
    Exceptions:
      throws java.io.IOException

  public long readVarLong();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=6, args_size=1
        start local 0 // org.h2.store.DataReader this
         0: .line 78
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readByte:()B
            i2l
            lstore 1 /* x */
        start local 1 // long x
         1: .line 79
            lload 1 /* x */
            lconst_0
            lcmp
            iflt 3
         2: .line 80
            lload 1 /* x */
            lreturn
         3: .line 82
      StackMap locals: long
      StackMap stack:
            lload 1 /* x */
            ldc 127
            land
            lstore 1 /* x */
         4: .line 83
            bipush 7
            istore 3 /* s */
        start local 3 // int s
         5: .line 84
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readByte:()B
            i2l
            lstore 4 /* b */
        start local 4 // long b
         6: .line 85
            lload 1 /* x */
            lload 4 /* b */
            ldc 127
            land
            iload 3 /* s */
            lshl
            lor
            lstore 1 /* x */
         7: .line 86
            lload 4 /* b */
            lconst_0
            lcmp
            iflt 9
         8: .line 87
            lload 1 /* x */
            lreturn
        end local 4 // long b
         9: .line 83
      StackMap locals:
      StackMap stack:
            iinc 3 /* s */ 7
            goto 5
        end local 3 // int s
        end local 1 // long x
        end local 0 // org.h2.store.DataReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lorg/h2/store/DataReader;
            1   10     1     x  J
            5   10     3     s  I
            6    9     4     b  J
    Exceptions:
      throws java.io.IOException

  public void readFully(byte[], int);
    descriptor: ([BI)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // org.h2.store.DataReader this
        start local 1 // byte[] buff
        start local 2 // int len
         0: .line 118
            aload 0 /* this */
            getfield org.h2.store.DataReader.in:Ljava/io/InputStream;
            aload 1 /* buff */
            iload 2 /* len */
            invokestatic org.h2.util.IOUtils.readFully:(Ljava/io/InputStream;[BI)I
            istore 3 /* got */
        start local 3 // int got
         1: .line 119
            iload 3 /* got */
            iload 2 /* len */
            if_icmpge 3
         2: .line 120
            new org.h2.store.DataReader$FastEOFException
            dup
            invokespecial org.h2.store.DataReader$FastEOFException.<init>:()V
            athrow
         3: .line 122
      StackMap locals: int
      StackMap stack:
            return
        end local 3 // int got
        end local 2 // int len
        end local 1 // byte[] buff
        end local 0 // org.h2.store.DataReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/h2/store/DataReader;
            0    4     1  buff  [B
            0    4     2   len  I
            1    4     3   got  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      buff  
      len   

  public java.lang.String readString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.h2.store.DataReader this
         0: .line 130
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readVarInt:()I
            istore 1 /* len */
        start local 1 // int len
         1: .line 131
            aload 0 /* this */
            iload 1 /* len */
            invokevirtual org.h2.store.DataReader.readString:(I)Ljava/lang/String;
            areturn
        end local 1 // int len
        end local 0 // org.h2.store.DataReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/h2/store/DataReader;
            1    2     1   len  I
    Exceptions:
      throws java.io.IOException

  private java.lang.String readString(int);
    descriptor: (I)Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // org.h2.store.DataReader this
        start local 1 // int len
         0: .line 135
            iload 1 /* len */
            newarray 5
            astore 2 /* chars */
        start local 2 // char[] chars
         1: .line 136
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         2: goto 5
         3: .line 137
      StackMap locals: char[] int
      StackMap stack:
            aload 2 /* chars */
            iload 3 /* i */
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readChar:()C
            castore
         4: .line 136
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         5: iload 3 /* i */
            iload 1 /* len */
            if_icmplt 3
        end local 3 // int i
         6: .line 139
            new java.lang.String
            dup
            aload 2 /* chars */
            invokespecial java.lang.String.<init>:([C)V
            areturn
        end local 2 // char[] chars
        end local 1 // int len
        end local 0 // org.h2.store.DataReader this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Lorg/h2/store/DataReader;
            0    7     1    len  I
            1    7     2  chars  [C
            2    6     3      i  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      len   

  private char readChar();
    descriptor: ()C
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.h2.store.DataReader this
         0: .line 148
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readByte:()B
            sipush 255
            iand
            istore 1 /* x */
        start local 1 // int x
         1: .line 149
            iload 1 /* x */
            sipush 128
            if_icmpge 3
         2: .line 150
            iload 1 /* x */
            i2c
            ireturn
         3: .line 151
      StackMap locals: int
      StackMap stack:
            iload 1 /* x */
            sipush 224
            if_icmplt 9
         4: .line 152
            iload 1 /* x */
            bipush 15
            iand
            bipush 12
            ishl
         5: .line 153
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readByte:()B
            bipush 63
            iand
            bipush 6
            ishl
         6: .line 152
            iadd
         7: .line 154
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readByte:()B
            bipush 63
            iand
         8: .line 152
            iadd
            i2c
            ireturn
         9: .line 156
      StackMap locals:
      StackMap stack:
            iload 1 /* x */
            bipush 31
            iand
            bipush 6
            ishl
        10: .line 157
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readByte:()B
            bipush 63
            iand
        11: .line 156
            iadd
            i2c
            ireturn
        end local 1 // int x
        end local 0 // org.h2.store.DataReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   12     0  this  Lorg/h2/store/DataReader;
            1   12     1     x  I
    Exceptions:
      throws java.io.IOException

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // org.h2.store.DataReader this
         0: .line 164
            return
        end local 0 // org.h2.store.DataReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/h2/store/DataReader;
    Exceptions:
      throws java.io.IOException

  public int read(char[], int, int);
    descriptor: ([CII)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=4
        start local 0 // org.h2.store.DataReader this
        start local 1 // char[] buff
        start local 2 // int off
        start local 3 // int len
         0: .line 168
            iload 3 /* len */
            ifne 2
         1: .line 169
            iconst_0
            ireturn
         2: .line 171
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         3: .line 173
            goto 6
         4: .line 174
      StackMap locals: int
      StackMap stack:
            aload 1 /* buff */
            iload 2 /* off */
            iload 4 /* i */
            iadd
            aload 0 /* this */
            invokevirtual org.h2.store.DataReader.readChar:()C
            castore
         5: .line 173
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
         6: iload 4 /* i */
            iload 3 /* len */
            if_icmplt 4
         7: .line 176
            iload 3 /* len */
         8: ireturn
         9: .line 177
      StackMap locals:
      StackMap stack: java.io.EOFException
            pop
        10: .line 178
            iload 4 /* i */
            ifne 12
        11: .line 179
            iconst_m1
            ireturn
        12: .line 181
      StackMap locals:
      StackMap stack:
            iload 4 /* i */
            ireturn
        end local 4 // int i
        end local 3 // int len
        end local 2 // int off
        end local 1 // char[] buff
        end local 0 // org.h2.store.DataReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   13     0  this  Lorg/h2/store/DataReader;
            0   13     1  buff  [C
            0   13     2   off  I
            0   13     3   len  I
            3   13     4     i  I
      Exception table:
        from    to  target  type
           3     8       9  Class java.io.EOFException
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      buff  
      off   
      len   
}
SourceFile: "DataReader.java"
NestMembers:
  org.h2.store.DataReader$FastEOFException
InnerClasses:
  FastEOFException = org.h2.store.DataReader$FastEOFException of org.h2.store.DataReader