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 start local 1 start local 2 0: aload 0
aload 1
invokespecial java.io.FilterReader.<init>:(Ljava/io/Reader;)V
1: iload 2
ifgt 3
2: new java.lang.IllegalArgumentException
dup
ldc "size <= 0"
invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
athrow
3: StackMap locals: java.io.PushbackReader java.io.Reader int
StackMap stack:
aload 0
iload 2
newarray 5
putfield java.io.PushbackReader.buf:[C
4: aload 0
iload 2
putfield java.io.PushbackReader.pos:I
5: return
end local 2 end local 1 end local 0 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 start local 1 0: aload 0
aload 1
iconst_1
invokespecial java.io.PushbackReader.<init>:(Ljava/io/Reader;I)V
1: return
end local 1 end local 0 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 0: aload 0
getfield java.io.PushbackReader.buf:[C
ifnonnull 2
1: new java.io.IOException
dup
ldc "Stream closed"
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
2: StackMap locals:
StackMap stack:
return
end local 0 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 0: aload 0
getfield java.io.PushbackReader.lock:Ljava/lang/Object;
dup
astore 1
monitorenter
1: aload 0
invokevirtual java.io.PushbackReader.ensureOpen:()V
2: aload 0
getfield java.io.PushbackReader.pos:I
aload 0
getfield java.io.PushbackReader.buf:[C
arraylength
if_icmpge 5
3: aload 0
getfield java.io.PushbackReader.buf:[C
aload 0
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: StackMap locals: java.lang.Object
StackMap stack:
aload 0
invokespecial java.io.FilterReader.read:()I
aload 1
monitorexit
6: ireturn
7: StackMap locals:
StackMap stack: java.lang.Throwable
aload 1
monitorexit
8: athrow
end local 0 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 start local 1 start local 2 start local 3 0: aload 0
getfield java.io.PushbackReader.lock:Ljava/lang/Object;
dup
astore 4
monitorenter
1: aload 0
invokevirtual java.io.PushbackReader.ensureOpen:()V
2: iload 3
ifgt 9
3: iload 3
ifge 5
4: new java.lang.IndexOutOfBoundsException
dup
invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
athrow
5: StackMap locals: java.lang.Object
StackMap stack:
iload 2
iflt 6
iload 2
aload 1
arraylength
if_icmple 7
6: StackMap locals:
StackMap stack:
new java.lang.IndexOutOfBoundsException
dup
invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
athrow
7: StackMap locals:
StackMap stack:
aload 4
monitorexit
8: iconst_0
ireturn
9: StackMap locals:
StackMap stack:
aload 0
getfield java.io.PushbackReader.buf:[C
arraylength
aload 0
getfield java.io.PushbackReader.pos:I
isub
istore 5
start local 5 10: iload 5
ifle 17
11: iload 3
iload 5
if_icmpge 13
12: iload 3
istore 5
13: StackMap locals: int
StackMap stack:
aload 0
getfield java.io.PushbackReader.buf:[C
aload 0
getfield java.io.PushbackReader.pos:I
aload 1
iload 2
iload 5
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
14: aload 0
dup
getfield java.io.PushbackReader.pos:I
iload 5
iadd
putfield java.io.PushbackReader.pos:I
15: iload 2
iload 5
iadd
istore 2
16: iload 3
iload 5
isub
istore 3
17: StackMap locals:
StackMap stack:
iload 3
ifle 27
18: aload 0
aload 1
iload 2
iload 3
invokespecial java.io.FilterReader.read:([CII)I
istore 3
19: iload 3
iconst_m1
if_icmpne 24
20: iload 5
ifne 21
iconst_m1
goto 22
StackMap locals:
StackMap stack:
21: iload 5
StackMap locals:
StackMap stack: int
22: aload 4
monitorexit
23: ireturn
24: StackMap locals:
StackMap stack:
iload 5
iload 3
iadd
25: aload 4
monitorexit
26: ireturn
27: StackMap locals:
StackMap stack:
iload 5
28: aload 4
monitorexit
29: ireturn
end local 5 30: StackMap locals: java.io.PushbackReader char[] int int java.lang.Object
StackMap stack: java.lang.ArrayIndexOutOfBoundsException
pop
31: new java.lang.IndexOutOfBoundsException
dup
invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
athrow
32: StackMap locals:
StackMap stack: java.lang.Throwable
aload 4
monitorexit
33: athrow
end local 3 end local 2 end local 1 end local 0 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 start local 1 0: aload 0
getfield java.io.PushbackReader.lock:Ljava/lang/Object;
dup
astore 2
monitorenter
1: aload 0
invokevirtual java.io.PushbackReader.ensureOpen:()V
2: aload 0
getfield java.io.PushbackReader.pos:I
ifne 4
3: new java.io.IOException
dup
ldc "Pushback buffer overflow"
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
4: StackMap locals: java.lang.Object
StackMap stack:
aload 0
getfield java.io.PushbackReader.buf:[C
aload 0
dup
getfield java.io.PushbackReader.pos:I
iconst_1
isub
dup_x1
putfield java.io.PushbackReader.pos:I
iload 1
i2c
castore
5: aload 2
monitorexit
6: goto 9
StackMap locals:
StackMap stack: java.lang.Throwable
7: aload 2
monitorexit
8: athrow
9: StackMap locals:
StackMap stack:
return
end local 1 end local 0 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 start local 1 start local 2 start local 3 0: aload 0
getfield java.io.PushbackReader.lock:Ljava/lang/Object;
dup
astore 4
monitorenter
1: aload 0
invokevirtual java.io.PushbackReader.ensureOpen:()V
2: iload 3
aload 0
getfield java.io.PushbackReader.pos:I
if_icmple 4
3: new java.io.IOException
dup
ldc "Pushback buffer overflow"
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
4: StackMap locals: java.lang.Object
StackMap stack:
aload 0
dup
getfield java.io.PushbackReader.pos:I
iload 3
isub
putfield java.io.PushbackReader.pos:I
5: aload 1
iload 2
aload 0
getfield java.io.PushbackReader.buf:[C
aload 0
getfield java.io.PushbackReader.pos:I
iload 3
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
6: aload 4
monitorexit
7: goto 10
StackMap locals:
StackMap stack: java.lang.Throwable
8: aload 4
monitorexit
9: athrow
10: StackMap locals:
StackMap stack:
return
end local 3 end local 2 end local 1 end local 0 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 start local 1 0: aload 0
aload 1
iconst_0
aload 1
arraylength
invokevirtual java.io.PushbackReader.unread:([CII)V
1: return
end local 1 end local 0 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 0: aload 0
getfield java.io.PushbackReader.lock:Ljava/lang/Object;
dup
astore 1
monitorenter
1: aload 0
invokevirtual java.io.PushbackReader.ensureOpen:()V
2: aload 0
getfield java.io.PushbackReader.pos:I
aload 0
getfield java.io.PushbackReader.buf:[C
arraylength
if_icmplt 3
aload 0
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: StackMap locals:
StackMap stack: java.lang.Throwable
aload 1
monitorexit
7: athrow
end local 0 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 start local 1 0: new java.io.IOException
dup
ldc "mark/reset not supported"
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
end local 1 end local 0 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 0: new java.io.IOException
dup
ldc "mark/reset not supported"
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
end local 0 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 0: iconst_0
ireturn
end local 0 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 0: aload 0
invokespecial java.io.FilterReader.close:()V
1: aload 0
aconst_null
putfield java.io.PushbackReader.buf:[C
2: return
end local 0 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 start local 1 0: lload 1
lconst_0
lcmp
ifge 2
1: new java.lang.IllegalArgumentException
dup
ldc "skip value is negative"
invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
athrow
2: StackMap locals:
StackMap stack:
aload 0
getfield java.io.PushbackReader.lock:Ljava/lang/Object;
dup
astore 3
monitorenter
3: aload 0
invokevirtual java.io.PushbackReader.ensureOpen:()V
4: aload 0
getfield java.io.PushbackReader.buf:[C
arraylength
aload 0
getfield java.io.PushbackReader.pos:I
isub
istore 4
start local 4 5: iload 4
ifle 12
6: lload 1
iload 4
i2l
lcmp
ifgt 10
7: aload 0
dup
getfield java.io.PushbackReader.pos:I
i2l
lload 1
ladd
l2i
putfield java.io.PushbackReader.pos:I
8: lload 1
aload 3
monitorexit
9: lreturn
10: StackMap locals: java.lang.Object int
StackMap stack:
aload 0
aload 0
getfield java.io.PushbackReader.buf:[C
arraylength
putfield java.io.PushbackReader.pos:I
11: lload 1
iload 4
i2l
lsub
lstore 1
12: StackMap locals:
StackMap stack:
iload 4
i2l
aload 0
lload 1
invokespecial java.io.FilterReader.skip:(J)J
ladd
aload 3
monitorexit
13: lreturn
end local 4 14: StackMap locals: java.io.PushbackReader long java.lang.Object
StackMap stack: java.lang.Throwable
aload 3
monitorexit
15: athrow
end local 1 end local 0 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"