public class java.io.PushbackReader extends java.io.FilterReader
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: java.io.PushbackReader
  super_class: java.io.FilterReader
{
  private char[] buf;
    descriptor: [C
    flags: (0x0002) ACC_PRIVATE

  private int pos;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  public void <init>(java.io.Reader, int);
    descriptor: (Ljava/io/Reader;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // java.io.PushbackReader this
        start local 1 // java.io.Reader in
        start local 2 // int size
         0: .line 53
            aload 0 /* this */
            aload 1 /* in */
            invokespecial java.io.FilterReader.<init>:(Ljava/io/Reader;)V
         1: .line 54
            iload 2 /* size */
            ifgt 3
         2: .line 55
            new java.lang.IllegalArgumentException
            dup
            ldc "size <= 0"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 57
      StackMap locals: java.io.PushbackReader java.io.Reader int
      StackMap stack:
            aload 0 /* this */
            iload 2 /* size */
            newarray 5
            putfield java.io.PushbackReader.buf:[C
         4: .line 58
            aload 0 /* this */
            iload 2 /* size */
            putfield java.io.PushbackReader.pos:I
         5: .line 59
            return
        end local 2 // int size
        end local 1 // java.io.Reader in
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/io/PushbackReader;
            0    6     1    in  Ljava/io/Reader;
            0    6     2  size  I
    MethodParameters:
      Name  Flags
      in    
      size  

  public void <init>(java.io.Reader);
    descriptor: (Ljava/io/Reader;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.io.PushbackReader this
        start local 1 // java.io.Reader in
         0: .line 67
            aload 0 /* this */
            aload 1 /* in */
            iconst_1
            invokespecial java.io.PushbackReader.<init>:(Ljava/io/Reader;I)V
         1: .line 68
            return
        end local 1 // java.io.Reader in
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/io/PushbackReader;
            0    2     1    in  Ljava/io/Reader;
    MethodParameters:
      Name  Flags
      in    

  private void ensureOpen();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.io.PushbackReader this
         0: .line 72
            aload 0 /* this */
            getfield java.io.PushbackReader.buf:[C
            ifnonnull 2
         1: .line 73
            new java.io.IOException
            dup
            ldc "Stream closed"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 74
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/io/PushbackReader;
    Exceptions:
      throws java.io.IOException

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.io.PushbackReader this
         0: .line 85
            aload 0 /* this */
            getfield java.io.PushbackReader.lock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 86
            aload 0 /* this */
            invokevirtual java.io.PushbackReader.ensureOpen:()V
         2: .line 87
            aload 0 /* this */
            getfield java.io.PushbackReader.pos:I
            aload 0 /* this */
            getfield java.io.PushbackReader.buf:[C
            arraylength
            if_icmpge 5
         3: .line 88
            aload 0 /* this */
            getfield java.io.PushbackReader.buf:[C
            aload 0 /* this */
            dup
            getfield java.io.PushbackReader.pos:I
            dup_x1
            iconst_1
            iadd
            putfield java.io.PushbackReader.pos:I
            caload
            aload 1
            monitorexit
         4: ireturn
         5: .line 90
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            invokespecial java.io.FilterReader.read:()I
            aload 1
            monitorexit
         6: ireturn
         7: .line 85
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         8: athrow
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Ljava/io/PushbackReader;
      Exception table:
        from    to  target  type
           1     4       7  any
           5     6       7  any
           7     8       7  any
    Exceptions:
      throws java.io.IOException

  public int read(char[], int, int);
    descriptor: ([CII)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=6, args_size=4
        start local 0 // java.io.PushbackReader this
        start local 1 // char[] cbuf
        start local 2 // int off
        start local 3 // int len
         0: .line 107
            aload 0 /* this */
            getfield java.io.PushbackReader.lock:Ljava/lang/Object;
            dup
            astore 4
            monitorenter
         1: .line 108
            aload 0 /* this */
            invokevirtual java.io.PushbackReader.ensureOpen:()V
         2: .line 110
            iload 3 /* len */
            ifgt 9
         3: .line 111
            iload 3 /* len */
            ifge 5
         4: .line 112
            new java.lang.IndexOutOfBoundsException
            dup
            invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
            athrow
         5: .line 113
      StackMap locals: java.lang.Object
      StackMap stack:
            iload 2 /* off */
            iflt 6
            iload 2 /* off */
            aload 1 /* cbuf */
            arraylength
            if_icmple 7
         6: .line 114
      StackMap locals:
      StackMap stack:
            new java.lang.IndexOutOfBoundsException
            dup
            invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
            athrow
         7: .line 116
      StackMap locals:
      StackMap stack:
            aload 4
            monitorexit
         8: iconst_0
            ireturn
         9: .line 118
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.io.PushbackReader.buf:[C
            arraylength
            aload 0 /* this */
            getfield java.io.PushbackReader.pos:I
            isub
            istore 5 /* avail */
        start local 5 // int avail
        10: .line 119
            iload 5 /* avail */
            ifle 17
        11: .line 120
            iload 3 /* len */
            iload 5 /* avail */
            if_icmpge 13
        12: .line 121
            iload 3 /* len */
            istore 5 /* avail */
        13: .line 122
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield java.io.PushbackReader.buf:[C
            aload 0 /* this */
            getfield java.io.PushbackReader.pos:I
            aload 1 /* cbuf */
            iload 2 /* off */
            iload 5 /* avail */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        14: .line 123
            aload 0 /* this */
            dup
            getfield java.io.PushbackReader.pos:I
            iload 5 /* avail */
            iadd
            putfield java.io.PushbackReader.pos:I
        15: .line 124
            iload 2 /* off */
            iload 5 /* avail */
            iadd
            istore 2 /* off */
        16: .line 125
            iload 3 /* len */
            iload 5 /* avail */
            isub
            istore 3 /* len */
        17: .line 127
      StackMap locals:
      StackMap stack:
            iload 3 /* len */
            ifle 27
        18: .line 128
            aload 0 /* this */
            aload 1 /* cbuf */
            iload 2 /* off */
            iload 3 /* len */
            invokespecial java.io.FilterReader.read:([CII)I
            istore 3 /* len */
        19: .line 129
            iload 3 /* len */
            iconst_m1
            if_icmpne 24
        20: .line 130
            iload 5 /* avail */
            ifne 21
            iconst_m1
            goto 22
      StackMap locals:
      StackMap stack:
        21: iload 5 /* avail */
      StackMap locals:
      StackMap stack: int
        22: aload 4
            monitorexit
        23: ireturn
        24: .line 132
      StackMap locals:
      StackMap stack:
            iload 5 /* avail */
            iload 3 /* len */
            iadd
        25: aload 4
            monitorexit
        26: ireturn
        27: .line 134
      StackMap locals:
      StackMap stack:
            iload 5 /* avail */
        28: aload 4
            monitorexit
        29: ireturn
        end local 5 // int avail
        30: .line 135
      StackMap locals: java.io.PushbackReader char[] int int java.lang.Object
      StackMap stack: java.lang.ArrayIndexOutOfBoundsException
            pop
        31: .line 136
            new java.lang.IndexOutOfBoundsException
            dup
            invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
            athrow
        32: .line 107
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 4
            monitorexit
        33: athrow
        end local 3 // int len
        end local 2 // int off
        end local 1 // char[] cbuf
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   34     0   this  Ljava/io/PushbackReader;
            0   34     1   cbuf  [C
            0   34     2    off  I
            0   34     3    len  I
           10   30     5  avail  I
      Exception table:
        from    to  target  type
           2     7      30  Class java.lang.ArrayIndexOutOfBoundsException
           9    22      30  Class java.lang.ArrayIndexOutOfBoundsException
          24    25      30  Class java.lang.ArrayIndexOutOfBoundsException
          27    28      30  Class java.lang.ArrayIndexOutOfBoundsException
           1     8      32  any
           9    23      32  any
          24    26      32  any
          27    29      32  any
          30    33      32  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      cbuf  
      off   
      len   

  public void unread(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // java.io.PushbackReader this
        start local 1 // int c
         0: .line 152
            aload 0 /* this */
            getfield java.io.PushbackReader.lock:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: .line 153
            aload 0 /* this */
            invokevirtual java.io.PushbackReader.ensureOpen:()V
         2: .line 154
            aload 0 /* this */
            getfield java.io.PushbackReader.pos:I
            ifne 4
         3: .line 155
            new java.io.IOException
            dup
            ldc "Pushback buffer overflow"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 156
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            getfield java.io.PushbackReader.buf:[C
            aload 0 /* this */
            dup
            getfield java.io.PushbackReader.pos:I
            iconst_1
            isub
            dup_x1
            putfield java.io.PushbackReader.pos:I
            iload 1 /* c */
            i2c
            castore
         5: .line 152
            aload 2
            monitorexit
         6: goto 9
      StackMap locals:
      StackMap stack: java.lang.Throwable
         7: aload 2
            monitorexit
         8: athrow
         9: .line 158
      StackMap locals:
      StackMap stack:
            return
        end local 1 // int c
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Ljava/io/PushbackReader;
            0   10     1     c  I
      Exception table:
        from    to  target  type
           1     6       7  any
           7     8       7  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      c     

  public void unread(char[], int, int);
    descriptor: ([CII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // java.io.PushbackReader this
        start local 1 // char[] cbuf
        start local 2 // int off
        start local 3 // int len
         0: .line 175
            aload 0 /* this */
            getfield java.io.PushbackReader.lock:Ljava/lang/Object;
            dup
            astore 4
            monitorenter
         1: .line 176
            aload 0 /* this */
            invokevirtual java.io.PushbackReader.ensureOpen:()V
         2: .line 177
            iload 3 /* len */
            aload 0 /* this */
            getfield java.io.PushbackReader.pos:I
            if_icmple 4
         3: .line 178
            new java.io.IOException
            dup
            ldc "Pushback buffer overflow"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 179
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            dup
            getfield java.io.PushbackReader.pos:I
            iload 3 /* len */
            isub
            putfield java.io.PushbackReader.pos:I
         5: .line 180
            aload 1 /* cbuf */
            iload 2 /* off */
            aload 0 /* this */
            getfield java.io.PushbackReader.buf:[C
            aload 0 /* this */
            getfield java.io.PushbackReader.pos:I
            iload 3 /* len */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 175
            aload 4
            monitorexit
         7: goto 10
      StackMap locals:
      StackMap stack: java.lang.Throwable
         8: aload 4
            monitorexit
         9: athrow
        10: .line 182
      StackMap locals:
      StackMap stack:
            return
        end local 3 // int len
        end local 2 // int off
        end local 1 // char[] cbuf
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   11     0  this  Ljava/io/PushbackReader;
            0   11     1  cbuf  [C
            0   11     2   off  I
            0   11     3   len  I
      Exception table:
        from    to  target  type
           1     7       8  any
           8     9       8  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      cbuf  
      off   
      len   

  public void unread(char[]);
    descriptor: ([C)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // java.io.PushbackReader this
        start local 1 // char[] cbuf
         0: .line 196
            aload 0 /* this */
            aload 1 /* cbuf */
            iconst_0
            aload 1 /* cbuf */
            arraylength
            invokevirtual java.io.PushbackReader.unread:([CII)V
         1: .line 197
            return
        end local 1 // char[] cbuf
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/io/PushbackReader;
            0    2     1  cbuf  [C
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      cbuf  

  public boolean ready();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.io.PushbackReader this
         0: .line 205
            aload 0 /* this */
            getfield java.io.PushbackReader.lock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         1: .line 206
            aload 0 /* this */
            invokevirtual java.io.PushbackReader.ensureOpen:()V
         2: .line 207
            aload 0 /* this */
            getfield java.io.PushbackReader.pos:I
            aload 0 /* this */
            getfield java.io.PushbackReader.buf:[C
            arraylength
            if_icmplt 3
            aload 0 /* this */
            invokespecial java.io.FilterReader.ready:()Z
            ifne 3
            iconst_0
            goto 4
      StackMap locals: java.lang.Object
      StackMap stack:
         3: iconst_1
      StackMap locals:
      StackMap stack: int
         4: aload 1
            monitorexit
         5: ireturn
         6: .line 205
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         7: athrow
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Ljava/io/PushbackReader;
      Exception table:
        from    to  target  type
           1     5       6  any
           6     7       6  any
    Exceptions:
      throws java.io.IOException

  public void mark(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.io.PushbackReader this
        start local 1 // int readAheadLimit
         0: .line 218
            new java.io.IOException
            dup
            ldc "mark/reset not supported"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // int readAheadLimit
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    1     0            this  Ljava/io/PushbackReader;
            0    1     1  readAheadLimit  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                Name  Flags
      readAheadLimit  

  public void reset();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.io.PushbackReader this
         0: .line 228
            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.PushbackReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/PushbackReader;
    Exceptions:
      throws java.io.IOException

  public boolean markSupported();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.io.PushbackReader this
         0: .line 236
            iconst_0
            ireturn
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/PushbackReader;

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.io.PushbackReader this
         0: .line 248
            aload 0 /* this */
            invokespecial java.io.FilterReader.close:()V
         1: .line 249
            aload 0 /* this */
            aconst_null
            putfield java.io.PushbackReader.buf:[C
         2: .line 250
            return
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/io/PushbackReader;
    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.PushbackReader this
        start local 1 // long n
         0: .line 264
            lload 1 /* n */
            lconst_0
            lcmp
            ifge 2
         1: .line 265
            new java.lang.IllegalArgumentException
            dup
            ldc "skip value is negative"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 266
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.io.PushbackReader.lock:Ljava/lang/Object;
            dup
            astore 3
            monitorenter
         3: .line 267
            aload 0 /* this */
            invokevirtual java.io.PushbackReader.ensureOpen:()V
         4: .line 268
            aload 0 /* this */
            getfield java.io.PushbackReader.buf:[C
            arraylength
            aload 0 /* this */
            getfield java.io.PushbackReader.pos:I
            isub
            istore 4 /* avail */
        start local 4 // int avail
         5: .line 269
            iload 4 /* avail */
            ifle 12
         6: .line 270
            lload 1 /* n */
            iload 4 /* avail */
            i2l
            lcmp
            ifgt 10
         7: .line 271
            aload 0 /* this */
            dup
            getfield java.io.PushbackReader.pos:I
            i2l
            lload 1 /* n */
            ladd
            l2i
            putfield java.io.PushbackReader.pos:I
         8: .line 272
            lload 1 /* n */
            aload 3
            monitorexit
         9: lreturn
        10: .line 274
      StackMap locals: java.lang.Object int
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield java.io.PushbackReader.buf:[C
            arraylength
            putfield java.io.PushbackReader.pos:I
        11: .line 275
            lload 1 /* n */
            iload 4 /* avail */
            i2l
            lsub
            lstore 1 /* n */
        12: .line 278
      StackMap locals:
      StackMap stack:
            iload 4 /* avail */
            i2l
            aload 0 /* this */
            lload 1 /* n */
            invokespecial java.io.FilterReader.skip:(J)J
            ladd
            aload 3
            monitorexit
        13: lreturn
        end local 4 // int avail
        14: .line 266
      StackMap locals: java.io.PushbackReader long java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 3
            monitorexit
        15: athrow
        end local 1 // long n
        end local 0 // java.io.PushbackReader this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   16     0   this  Ljava/io/PushbackReader;
            0   16     1      n  J
            5   14     4  avail  I
      Exception table:
        from    to  target  type
           3     9      14  any
          10    13      14  any
          14    15      14  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      n     
}
SourceFile: "PushbackReader.java"