com.oracle.graal.bytecode

Class BytecodeTableSwitch

java.lang.Object

com.oracle.graal.bytecode.BytecodeSwitch

com.oracle.graal.bytecode.BytecodeTableSwitch

public class BytecodeTableSwitch
extends BytecodeSwitch

A utility for processing Bytecodes.TABLESWITCH bytecodes.

Field Summary

Fields

Modifier and Type	Field and Description
private static int	JUMP_OFFSET_SIZE
private static int	OFFSET_TO_FIRST_JUMP_OFFSET
private static int	OFFSET_TO_HIGH_KEY
private static int	OFFSET_TO_LOW_KEY

Fields inherited from class com.oracle.graal.bytecode.BytecodeSwitch

alignedBci, bci, stream

Constructor Summary

Constructors

Constructor and Description
BytecodeTableSwitch(BytecodeStream stream, int bci) Constructor for a BytecodeStream.

Method Summary

Modifier and Type	Method and Description
int	highKey() Gets the high key of the table switch.
int	keyAt(int i) Gets the key at i'th switch target index.
int	lowKey() Gets the low key of the table switch.
int	numberOfCases() Gets the number of switch targets.
int	offsetAt(int i) Gets the offset from the start of the switch instruction for the i'th switch target.
int	size() Gets the total size in bytes of the switch instruction.

Methods inherited from class com.oracle.graal.bytecode.BytecodeSwitch

bci, defaultOffset, defaultTarget, targetAt

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

OFFSET_TO_LOW_KEY

private static final int OFFSET_TO_LOW_KEY

See Also:

Constant Field Values

OFFSET_TO_HIGH_KEY

private static final int OFFSET_TO_HIGH_KEY

See Also:

Constant Field Values

OFFSET_TO_FIRST_JUMP_OFFSET

private static final int OFFSET_TO_FIRST_JUMP_OFFSET

See Also:

Constant Field Values

JUMP_OFFSET_SIZE

private static final int JUMP_OFFSET_SIZE

See Also:

Constant Field Values

Constructor Detail

BytecodeTableSwitch

public BytecodeTableSwitch(BytecodeStream stream,
                           int bci)

Constructor for a BytecodeStream.

Parameters:

stream - the BytecodeStream containing the switch instruction

bci - the index in the stream of the switch instruction

Method Detail

lowKey

public int lowKey()

Gets the low key of the table switch.

Returns:

the low key

highKey

public int highKey()

Gets the high key of the table switch.

Returns:

the high key

keyAt

public int keyAt(int i)

Description copied from class: BytecodeSwitch

Gets the key at i'th switch target index.

Specified by:

keyAt in class BytecodeSwitch

Parameters:

i - the switch target index

Returns:

the key at i'th switch target index

offsetAt

public int offsetAt(int i)

Description copied from class: BytecodeSwitch

Gets the offset from the start of the switch instruction for the i'th switch target.

Specified by:

offsetAt in class BytecodeSwitch

Parameters:

i - the switch target index

Returns:

the offset to the i'th switch target

numberOfCases

public int numberOfCases()

Description copied from class: BytecodeSwitch

Gets the number of switch targets.

Specified by:

numberOfCases in class BytecodeSwitch

Returns:

the number of switch targets

size

public int size()

Description copied from class: BytecodeSwitch

Gets the total size in bytes of the switch instruction.

Specified by:

size in class BytecodeSwitch

Returns:

the total size in bytes of the switch instruction