Java Reference
In-Depth Information
D.5.4
Array Instructions
Mnemonic
Operation
Operand Stack
newarray
Create new array
;count ) ;arrayref
anewarray
Create new array of refer-
ence type
;count ) ;arrayref
The above instructions can be added to the code section of a method by sending the
CLEmitter
instance the following message:
publicvoidaddArrayInstruction(intopcode,
Stringtype)
where
opcode
is the mnemonic of the instruction to be added, and
type
is the type descriptor
of the array.
Mnemonic
Operation
Operand Stack
multianewarray
Create
new
multidimen-
;count1; [count2;]
) ;arrayref
sional array
The above instruction can be added to the code section of a method by sending the
CLEmitter
instance the following message:
publicvoidaddMULTIANEWARRAYInstruction(Stringtype,
intdim)
where
type
is the type descriptor of the array, and
dim
is the number of dimensions.
Mnemonic
Operation
Operand Stack
baload
Load
byte
or
boolean
from array
;arrayref;index ) ;value
caload
Load
char
from array ;arrayref;index ) ;value
saload
Load
short
from array ;arrayref;index ) ;value
iaload
Load
int
from array ;arrayref;index ) ;value
laload
Load
long
from array ;arrayref;index ) ;value
faload
Load
float
from array ;arrayref;index ) ;value
daload
Load
double
from array ;arrayref;index ) ;value
aaload
Load from reference array ;arrayref;index ) ;value
bastore
Store into
byte
or
boolean
array
;arrayref;index;value )
castore
Store into
char
array ;arrayref;index;value )
sastore
Store into
short
array ;arrayref;index;value )
iastore
Store into
int
array ;arrayref;index;value )
lastore
Store into
long
array ;arrayref;index;value )
fastore
Store into
float
array ;arrayref;index;value )
dastore
Store into
double
array ;arrayref;index;value )
aastore
Store into reference array ;arrayref;index;value )
arraylength
Get length of array
;arrayref ) ;length
The above instructions can be added to the code section of a method by sending the
CLEmitter
instance the following message:
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