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 start local 1 0: aload 0
invokespecial java.io.Reader.<init>:()V
1: aload 0
aload 1
putfield org.h2.store.DataReader.in:Ljava/io/InputStream;
2: return
end local 1 end local 0 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 0: aload 0
getfield org.h2.store.DataReader.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 1
start local 1 1: iload 1
ifge 3
2: new org.h2.store.DataReader$FastEOFException
dup
invokespecial org.h2.store.DataReader$FastEOFException.<init>:()V
athrow
3: StackMap locals: int
StackMap stack:
iload 1
i2b
ireturn
end local 1 end local 0 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 0: aload 0
invokevirtual org.h2.store.DataReader.readByte:()B
istore 1
start local 1 1: iload 1
iflt 3
2: iload 1
ireturn
3: StackMap locals: int
StackMap stack:
iload 1
bipush 127
iand
istore 2
start local 2 4: aload 0
invokevirtual org.h2.store.DataReader.readByte:()B
istore 1
5: iload 1
iflt 7
6: iload 2
iload 1
bipush 7
ishl
ior
ireturn
7: StackMap locals: int
StackMap stack:
iload 2
iload 1
bipush 127
iand
bipush 7
ishl
ior
istore 2
8: aload 0
invokevirtual org.h2.store.DataReader.readByte:()B
istore 1
9: iload 1
iflt 11
10: iload 2
iload 1
bipush 14
ishl
ior
ireturn
11: StackMap locals:
StackMap stack:
iload 2
iload 1
bipush 127
iand
bipush 14
ishl
ior
istore 2
12: aload 0
invokevirtual org.h2.store.DataReader.readByte:()B
istore 1
13: iload 1
iflt 15
14: iload 2
iload 1
bipush 21
ishl
ior
ireturn
15: StackMap locals:
StackMap stack:
iload 2
iload 1
bipush 127
iand
bipush 21
ishl
ior
aload 0
invokevirtual org.h2.store.DataReader.readByte:()B
bipush 28
ishl
ior
ireturn
end local 2 end local 1 end local 0 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 0: aload 0
invokevirtual org.h2.store.DataReader.readByte:()B
i2l
lstore 1
start local 1 1: lload 1
lconst_0
lcmp
iflt 3
2: lload 1
lreturn
3: StackMap locals: long
StackMap stack:
lload 1
ldc 127
land
lstore 1
4: bipush 7
istore 3
start local 3 5: StackMap locals: int
StackMap stack:
aload 0
invokevirtual org.h2.store.DataReader.readByte:()B
i2l
lstore 4
start local 4 6: lload 1
lload 4
ldc 127
land
iload 3
lshl
lor
lstore 1
7: lload 4
lconst_0
lcmp
iflt 9
8: lload 1
lreturn
end local 4 9: StackMap locals:
StackMap stack:
iinc 3 7
goto 5
end local 3 end local 1 end local 0 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 start local 1 start local 2 0: aload 0
getfield org.h2.store.DataReader.in:Ljava/io/InputStream;
aload 1
iload 2
invokestatic org.h2.util.IOUtils.readFully:(Ljava/io/InputStream;[BI)I
istore 3
start local 3 1: iload 3
iload 2
if_icmpge 3
2: new org.h2.store.DataReader$FastEOFException
dup
invokespecial org.h2.store.DataReader$FastEOFException.<init>:()V
athrow
3: StackMap locals: int
StackMap stack:
return
end local 3 end local 2 end local 1 end local 0 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 0: aload 0
invokevirtual org.h2.store.DataReader.readVarInt:()I
istore 1
start local 1 1: aload 0
iload 1
invokevirtual org.h2.store.DataReader.readString:(I)Ljava/lang/String;
areturn
end local 1 end local 0 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 start local 1 0: iload 1
newarray 5
astore 2
start local 2 1: iconst_0
istore 3
start local 3 2: goto 5
3: StackMap locals: char[] int
StackMap stack:
aload 2
iload 3
aload 0
invokevirtual org.h2.store.DataReader.readChar:()C
castore
4: iinc 3 1
StackMap locals:
StackMap stack:
5: iload 3
iload 1
if_icmplt 3
end local 3 6: new java.lang.String
dup
aload 2
invokespecial java.lang.String.<init>:([C)V
areturn
end local 2 end local 1 end local 0 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 0: aload 0
invokevirtual org.h2.store.DataReader.readByte:()B
sipush 255
iand
istore 1
start local 1 1: iload 1
sipush 128
if_icmpge 3
2: iload 1
i2c
ireturn
3: StackMap locals: int
StackMap stack:
iload 1
sipush 224
if_icmplt 9
4: iload 1
bipush 15
iand
bipush 12
ishl
5: aload 0
invokevirtual org.h2.store.DataReader.readByte:()B
bipush 63
iand
bipush 6
ishl
6: iadd
7: aload 0
invokevirtual org.h2.store.DataReader.readByte:()B
bipush 63
iand
8: iadd
i2c
ireturn
9: StackMap locals:
StackMap stack:
iload 1
bipush 31
iand
bipush 6
ishl
10: aload 0
invokevirtual org.h2.store.DataReader.readByte:()B
bipush 63
iand
11: iadd
i2c
ireturn
end local 1 end local 0 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 0: return
end local 0 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 start local 1 start local 2 start local 3 0: iload 3
ifne 2
1: iconst_0
ireturn
2: StackMap locals:
StackMap stack:
iconst_0
istore 4
start local 4 3: goto 6
4: StackMap locals: int
StackMap stack:
aload 1
iload 2
iload 4
iadd
aload 0
invokevirtual org.h2.store.DataReader.readChar:()C
castore
5: iinc 4 1
StackMap locals:
StackMap stack:
6: iload 4
iload 3
if_icmplt 4
7: iload 3
8: ireturn
9: StackMap locals:
StackMap stack: java.io.EOFException
pop
10: iload 4
ifne 12
11: iconst_m1
ireturn
12: StackMap locals:
StackMap stack:
iload 4
ireturn
end local 4 end local 3 end local 2 end local 1 end local 0 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