public class jdk.internal.jimage.decompressor.CompressIndexes
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: jdk.internal.jimage.decompressor.CompressIndexes
super_class: java.lang.Object
{
private static final int COMPRESSED_FLAG;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 128
private static final int ;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 3
private static final int ;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 5
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljdk/internal/jimage/decompressor/CompressIndexes;
public static java.util.List<java.lang.Integer> decompressFlow(byte[]);
descriptor: ([B)Ljava/util/List;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=4, args_size=1
start local 0 0: new java.util.ArrayList
dup
invokespecial java.util.ArrayList.<init>:()V
astore 1
start local 1 1: iconst_0
istore 2
start local 2 2: goto 6
3: StackMap locals: java.util.List int
StackMap stack:
aload 0
iload 2
invokestatic jdk.internal.jimage.decompressor.CompressIndexes.decompress:([BI)I
istore 3
start local 3 4: aload 1
iload 3
invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
pop
end local 3 5: iload 2
aload 0
iload 2
baload
invokestatic jdk.internal.jimage.decompressor.CompressIndexes.getHeaderLength:(B)I
iadd
istore 2
StackMap locals:
StackMap stack:
6: iload 2
aload 0
arraylength
if_icmplt 3
end local 2 7: aload 1
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 values [B
1 8 1 lst Ljava/util/List<Ljava/lang/Integer;>;
2 7 2 i I
4 5 3 decompressed I
Signature: ([B)Ljava/util/List<Ljava/lang/Integer;>;
MethodParameters:
Name Flags
values
public static int readInt(java.io.DataInputStream);
descriptor: (Ljava/io/DataInputStream;)I
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=5, args_size=1
start local 0 0: aload 0
invokevirtual java.io.DataInputStream.readByte:()B
istore 1
start local 1 1: iload 1
invokestatic jdk.internal.jimage.decompressor.CompressIndexes.getHeaderLength:(B)I
istore 2
start local 2 2: iload 1
invokestatic jdk.internal.jimage.decompressor.CompressIndexes.getHeaderValue:(B)I
istore 3
start local 3 3: iconst_1
istore 4
start local 4 4: goto 8
5: StackMap locals: java.io.DataInputStream int int int int
StackMap stack:
iload 3
bipush 8
ishl
istore 3
6: iload 3
aload 0
invokevirtual java.io.DataInputStream.readByte:()B
sipush 255
iand
ior
istore 3
7: iinc 4 1
StackMap locals:
StackMap stack:
8: iload 4
iload 2
if_icmplt 5
end local 4 9: iload 3
ireturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 10 0 cr Ljava/io/DataInputStream;
1 10 1 header B
2 10 2 size I
3 10 3 result I
4 9 4 i I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
cr
private static boolean isCompressed(byte);
descriptor: (B)Z
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: iload 0
sipush 128
iand
ifeq 1
iconst_1
ireturn
StackMap locals:
StackMap stack:
1: iconst_0
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 b B
MethodParameters:
Name Flags
b
private static int (byte);
descriptor: (B)I
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: iload 0
invokestatic jdk.internal.jimage.decompressor.CompressIndexes.isCompressed:(B)Z
ifeq 1
iload 0
iconst_5
ishr
iconst_3
iand
goto 2
StackMap locals:
StackMap stack:
1: iconst_4
StackMap locals:
StackMap stack: int
2: ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 b B
MethodParameters:
Name Flags
b
private static int (byte);
descriptor: (B)I
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: iload 0
invokestatic jdk.internal.jimage.decompressor.CompressIndexes.isCompressed:(B)Z
ifeq 1
iload 0
bipush 31
iand
goto 2
StackMap locals:
StackMap stack:
1: iload 0
StackMap locals:
StackMap stack: int
2: ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 b B
MethodParameters:
Name Flags
b
public static int decompress(byte[], int);
descriptor: ([BI)I
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=4, locals=6, args_size=2
start local 0 start local 1 0: aload 0
iload 1
baload
istore 2
start local 2 1: iload 2
invokestatic jdk.internal.jimage.decompressor.CompressIndexes.getHeaderLength:(B)I
istore 3
start local 3 2: iload 2
invokestatic jdk.internal.jimage.decompressor.CompressIndexes.getHeaderValue:(B)I
istore 4
start local 4 3: iconst_1
istore 5
start local 5 4: goto 8
5: StackMap locals: byte[] int int int int int
StackMap stack:
iload 4
bipush 8
ishl
istore 4
6: iload 4
aload 0
iload 1
iload 5
iadd
baload
sipush 255
iand
ior
istore 4
7: iinc 5 1
StackMap locals:
StackMap stack:
8: iload 5
iload 3
if_icmplt 5
end local 5 9: 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 10 0 value [B
0 10 1 offset I
1 10 2 header B
2 10 3 size I
3 10 4 result I
4 9 5 i I
MethodParameters:
Name Flags
value
offset
public static byte[] compress(int);
descriptor: (I)[B
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=6, locals=5, args_size=1
start local 0 0: iload 0
ifge 2
1: new java.lang.IllegalArgumentException
dup
ldc "value < 0"
invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
athrow
2: StackMap locals:
StackMap stack:
bipush 32
iload 0
invokestatic java.lang.Integer.numberOfLeadingZeros:(I)I
isub
istore 1
start local 1 3: iload 1
iconst_3
iadd
iconst_1
isub
iconst_3
ishr
iconst_1
iadd
iconst_4
invokestatic java.lang.Math.min:(II)I
istore 2
start local 2 4: iload 2
newarray 8
astore 3
start local 3 5: iconst_0
istore 4
start local 4 6: goto 9
7: StackMap locals: int int int byte[] int
StackMap stack:
aload 3
iload 4
iload 0
iload 2
iload 4
isub
iconst_1
isub
bipush 8
imul
ishr
i2b
bastore
8: iinc 4 1
StackMap locals:
StackMap stack:
9: iload 4
iload 2
if_icmplt 7
end local 4 10: iload 2
iconst_4
if_icmpge 12
11: aload 3
iconst_0
dup2
baload
sipush 128
iload 2
iconst_5
ishl
ior
i2b
ior
i2b
bastore
12: StackMap locals:
StackMap stack:
aload 3
areturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 13 0 value I
3 13 1 width I
4 13 2 size I
5 13 3 result [B
6 10 4 i I
MethodParameters:
Name Flags
value
}
SourceFile: "CompressIndexes.java"