public class java.io.PushbackInputStream extends java.io.FilterInputStream
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: java.io.PushbackInputStream
  super_class: java.io.FilterInputStream
{
  protected byte[] buf;
    descriptor: [B
    flags: (0x0004) ACC_PROTECTED

  protected int pos;
    descriptor: I
    flags: (0x0004) ACC_PROTECTED

  private void ensureOpen();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.io.PushbackInputStream this
         0: .line 73
            aload 0 /* this */
            getfield java.io.PushbackInputStream.in:Ljava/io/InputStream;
            ifnonnull 2
         1: .line 74
            new java.io.IOException
            dup
            ldc "Stream closed"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 75
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/io/PushbackInputStream;
    Exceptions:
      throws java.io.IOException

  public void <init>(java.io.InputStream, int);
    descriptor: (Ljava/io/InputStream;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // java.io.PushbackInputStream this
        start local 1 // java.io.InputStream in
        start local 2 // int size
         0: .line 92
            aload 0 /* this */
            aload 1 /* in */
            invokespecial java.io.FilterInputStream.<init>:(Ljava/io/InputStream;)V
         1: .line 93
            iload 2 /* size */
            ifgt 3
         2: .line 94
            new java.lang.IllegalArgumentException
            dup
            ldc "size <= 0"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 96
      StackMap locals: java.io.PushbackInputStream java.io.InputStream int
      StackMap stack:
            aload 0 /* this */
            iload 2 /* size */
            newarray 8
            putfield java.io.PushbackInputStream.buf:[B
         4: .line 97
            aload 0 /* this */
            iload 2 /* size */
            putfield java.io.PushbackInputStream.pos:I
         5: .line 98
            return
        end local 2 // int size
        end local 1 // java.io.InputStream in
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/io/PushbackInputStream;
            0    6     1    in  Ljava/io/InputStream;
            0    6     2  size  I
    MethodParameters:
      Name  Flags
      in    
      size  

  public void <init>(java.io.InputStream);
    descriptor: (Ljava/io/InputStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.io.PushbackInputStream this
        start local 1 // java.io.InputStream in
         0: .line 111
            aload 0 /* this */
            aload 1 /* in */
            iconst_1
            invokespecial java.io.PushbackInputStream.<init>:(Ljava/io/InputStream;I)V
         1: .line 112
            return
        end local 1 // java.io.InputStream in
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/io/PushbackInputStream;
            0    2     1    in  Ljava/io/InputStream;
    MethodParameters:
      Name  Flags
      in    

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // java.io.PushbackInputStream this
         0: .line 135
            aload 0 /* this */
            invokevirtual java.io.PushbackInputStream.ensureOpen:()V
         1: .line 136
            aload 0 /* this */
            getfield java.io.PushbackInputStream.pos:I
            aload 0 /* this */
            getfield java.io.PushbackInputStream.buf:[B
            arraylength
            if_icmpge 3
         2: .line 137
            aload 0 /* this */
            getfield java.io.PushbackInputStream.buf:[B
            aload 0 /* this */
            dup
            getfield java.io.PushbackInputStream.pos:I
            dup_x1
            iconst_1
            iadd
            putfield java.io.PushbackInputStream.pos:I
            baload
            sipush 255
            iand
            ireturn
         3: .line 139
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokespecial java.io.FilterInputStream.read:()I
            ireturn
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljava/io/PushbackInputStream;
    Exceptions:
      throws java.io.IOException

  public int read(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // java.io.PushbackInputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 166
            aload 0 /* this */
            invokevirtual java.io.PushbackInputStream.ensureOpen:()V
         1: .line 167
            aload 1 /* b */
            ifnonnull 3
         2: .line 168
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         3: .line 169
      StackMap locals:
      StackMap stack:
            iload 2 /* off */
            iflt 4
            iload 3 /* len */
            iflt 4
            iload 3 /* len */
            aload 1 /* b */
            arraylength
            iload 2 /* off */
            isub
            if_icmple 5
         4: .line 170
      StackMap locals:
      StackMap stack:
            new java.lang.IndexOutOfBoundsException
            dup
            invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
            athrow
         5: .line 171
      StackMap locals:
      StackMap stack:
            iload 3 /* len */
            ifne 7
         6: .line 172
            iconst_0
            ireturn
         7: .line 175
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.io.PushbackInputStream.buf:[B
            arraylength
            aload 0 /* this */
            getfield java.io.PushbackInputStream.pos:I
            isub
            istore 4 /* avail */
        start local 4 // int avail
         8: .line 176
            iload 4 /* avail */
            ifle 15
         9: .line 177
            iload 3 /* len */
            iload 4 /* avail */
            if_icmpge 11
        10: .line 178
            iload 3 /* len */
            istore 4 /* avail */
        11: .line 180
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield java.io.PushbackInputStream.buf:[B
            aload 0 /* this */
            getfield java.io.PushbackInputStream.pos:I
            aload 1 /* b */
            iload 2 /* off */
            iload 4 /* avail */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        12: .line 181
            aload 0 /* this */
            dup
            getfield java.io.PushbackInputStream.pos:I
            iload 4 /* avail */
            iadd
            putfield java.io.PushbackInputStream.pos:I
        13: .line 182
            iload 2 /* off */
            iload 4 /* avail */
            iadd
            istore 2 /* off */
        14: .line 183
            iload 3 /* len */
            iload 4 /* avail */
            isub
            istore 3 /* len */
        15: .line 185
      StackMap locals:
      StackMap stack:
            iload 3 /* len */
            ifle 22
        16: .line 186
            aload 0 /* this */
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            invokespecial java.io.FilterInputStream.read:([BII)I
            istore 3 /* len */
        17: .line 187
            iload 3 /* len */
            iconst_m1
            if_icmpne 21
        18: .line 188
            iload 4 /* avail */
            ifne 19
            iconst_m1
            goto 20
      StackMap locals:
      StackMap stack:
        19: iload 4 /* avail */
      StackMap locals:
      StackMap stack: int
        20: ireturn
        21: .line 190
      StackMap locals:
      StackMap stack:
            iload 4 /* avail */
            iload 3 /* len */
            iadd
            ireturn
        22: .line 192
      StackMap locals:
      StackMap stack:
            iload 4 /* avail */
            ireturn
        end local 4 // int avail
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   23     0   this  Ljava/io/PushbackInputStream;
            0   23     1      b  [B
            0   23     2    off  I
            0   23     3    len  I
            8   23     4  avail  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  public void unread(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // java.io.PushbackInputStream this
        start local 1 // int b
         0: .line 207
            aload 0 /* this */
            invokevirtual java.io.PushbackInputStream.ensureOpen:()V
         1: .line 208
            aload 0 /* this */
            getfield java.io.PushbackInputStream.pos:I
            ifne 3
         2: .line 209
            new java.io.IOException
            dup
            ldc "Push back buffer is full"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 211
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.io.PushbackInputStream.buf:[B
            aload 0 /* this */
            dup
            getfield java.io.PushbackInputStream.pos:I
            iconst_1
            isub
            dup_x1
            putfield java.io.PushbackInputStream.pos:I
            iload 1 /* b */
            i2b
            bastore
         4: .line 212
            return
        end local 1 // int b
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/io/PushbackInputStream;
            0    5     1     b  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     

  public void unread(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // java.io.PushbackInputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 230
            aload 0 /* this */
            invokevirtual java.io.PushbackInputStream.ensureOpen:()V
         1: .line 231
            iload 3 /* len */
            aload 0 /* this */
            getfield java.io.PushbackInputStream.pos:I
            if_icmple 3
         2: .line 232
            new java.io.IOException
            dup
            ldc "Push back buffer is full"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 234
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            getfield java.io.PushbackInputStream.pos:I
            iload 3 /* len */
            isub
            putfield java.io.PushbackInputStream.pos:I
         4: .line 235
            aload 1 /* b */
            iload 2 /* off */
            aload 0 /* this */
            getfield java.io.PushbackInputStream.buf:[B
            aload 0 /* this */
            getfield java.io.PushbackInputStream.pos:I
            iload 3 /* len */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         5: .line 236
            return
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/io/PushbackInputStream;
            0    6     1     b  [B
            0    6     2   off  I
            0    6     3   len  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  public void unread(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // java.io.PushbackInputStream this
        start local 1 // byte[] b
         0: .line 252
            aload 0 /* this */
            aload 1 /* b */
            iconst_0
            aload 1 /* b */
            arraylength
            invokevirtual java.io.PushbackInputStream.unread:([BII)V
         1: .line 253
            return
        end local 1 // byte[] b
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/io/PushbackInputStream;
            0    2     1     b  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     

  public int available();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // java.io.PushbackInputStream this
         0: .line 275
            aload 0 /* this */
            invokevirtual java.io.PushbackInputStream.ensureOpen:()V
         1: .line 276
            aload 0 /* this */
            getfield java.io.PushbackInputStream.buf:[B
            arraylength
            aload 0 /* this */
            getfield java.io.PushbackInputStream.pos:I
            isub
            istore 1 /* n */
        start local 1 // int n
         2: .line 277
            aload 0 /* this */
            invokespecial java.io.FilterInputStream.available:()I
            istore 2 /* avail */
        start local 2 // int avail
         3: .line 278
            iload 1 /* n */
            ldc 2147483647
            iload 2 /* avail */
            isub
            if_icmple 5
         4: .line 279
            ldc 2147483647
            goto 6
         5: .line 280
      StackMap locals: int int
      StackMap stack:
            iload 1 /* n */
            iload 2 /* avail */
            iadd
         6: .line 278
      StackMap locals:
      StackMap stack: int
            ireturn
        end local 2 // int avail
        end local 1 // int n
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Ljava/io/PushbackInputStream;
            2    7     1      n  I
            3    7     2  avail  I
    Exceptions:
      throws java.io.IOException

  public long skip(long);
    descriptor: (J)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // java.io.PushbackInputStream this
        start local 1 // long n
         0: .line 306
            aload 0 /* this */
            invokevirtual java.io.PushbackInputStream.ensureOpen:()V
         1: .line 307
            lload 1 /* n */
            lconst_0
            lcmp
            ifgt 3
         2: .line 308
            lconst_0
            lreturn
         3: .line 311
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.io.PushbackInputStream.buf:[B
            arraylength
            aload 0 /* this */
            getfield java.io.PushbackInputStream.pos:I
            isub
            i2l
            lstore 3 /* pskip */
        start local 3 // long pskip
         4: .line 312
            lload 3 /* pskip */
            lconst_0
            lcmp
            ifle 9
         5: .line 313
            lload 1 /* n */
            lload 3 /* pskip */
            lcmp
            ifge 7
         6: .line 314
            lload 1 /* n */
            lstore 3 /* pskip */
         7: .line 316
      StackMap locals: long
      StackMap stack:
            aload 0 /* this */
            dup
            getfield java.io.PushbackInputStream.pos:I
            i2l
            lload 3 /* pskip */
            ladd
            l2i
            putfield java.io.PushbackInputStream.pos:I
         8: .line 317
            lload 1 /* n */
            lload 3 /* pskip */
            lsub
            lstore 1 /* n */
         9: .line 319
      StackMap locals:
      StackMap stack:
            lload 1 /* n */
            lconst_0
            lcmp
            ifle 11
        10: .line 320
            lload 3 /* pskip */
            aload 0 /* this */
            lload 1 /* n */
            invokespecial java.io.FilterInputStream.skip:(J)J
            ladd
            lstore 3 /* pskip */
        11: .line 322
      StackMap locals:
      StackMap stack:
            lload 3 /* pskip */
            lreturn
        end local 3 // long pskip
        end local 1 // long n
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   12     0   this  Ljava/io/PushbackInputStream;
            0   12     1      n  J
            4   12     3  pskip  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      n     

  public boolean markSupported();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.io.PushbackInputStream this
         0: .line 335
            iconst_0
            ireturn
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/PushbackInputStream;

  public synchronized void mark(int);
    descriptor: (I)V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=0, locals=2, args_size=2
        start local 0 // java.io.PushbackInputStream this
        start local 1 // int readlimit
         0: .line 349
            return
        end local 1 // int readlimit
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Ljava/io/PushbackInputStream;
            0    1     1  readlimit  I
    MethodParameters:
           Name  Flags
      readlimit  

  public synchronized void reset();
    descriptor: ()V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.io.PushbackInputStream this
         0: .line 364
            new java.io.IOException
            dup
            ldc "mark/reset not supported"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/PushbackInputStream;
    Exceptions:
      throws java.io.IOException

  public synchronized void close();
    descriptor: ()V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.io.PushbackInputStream this
         0: .line 377
            aload 0 /* this */
            getfield java.io.PushbackInputStream.in:Ljava/io/InputStream;
            ifnonnull 2
         1: .line 378
            return
         2: .line 379
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.io.PushbackInputStream.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.close:()V
         3: .line 380
            aload 0 /* this */
            aconst_null
            putfield java.io.PushbackInputStream.in:Ljava/io/InputStream;
         4: .line 381
            aload 0 /* this */
            aconst_null
            putfield java.io.PushbackInputStream.buf:[B
         5: .line 382
            return
        end local 0 // java.io.PushbackInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/io/PushbackInputStream;
    Exceptions:
      throws java.io.IOException
}
SourceFile: "PushbackInputStream.java"