com.oracle.graal.bytecode

Class BytecodeLookupSwitch

java.lang.Object

com.oracle.graal.bytecode.BytecodeSwitch

com.oracle.graal.bytecode.BytecodeLookupSwitch

public class BytecodeLookupSwitch
extends BytecodeSwitch

A utility for processing Bytecodes.LOOKUPSWITCH bytecodes.

Field Summary

Fields

Modifier and Type	Field and Description
private static int	OFFSET_TO_FIRST_PAIR_MATCH
private static int	OFFSET_TO_FIRST_PAIR_OFFSET
private static int	OFFSET_TO_NUMBER_PAIRS
private static int	PAIR_SIZE

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

alignedBci, bci, stream

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
int	keyAt(int i) Gets the key at i'th switch target index.
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_NUMBER_PAIRS

private static final int OFFSET_TO_NUMBER_PAIRS

See Also:

Constant Field Values

OFFSET_TO_FIRST_PAIR_MATCH

private static final int OFFSET_TO_FIRST_PAIR_MATCH

See Also:

Constant Field Values

OFFSET_TO_FIRST_PAIR_OFFSET

private static final int OFFSET_TO_FIRST_PAIR_OFFSET

See Also:

Constant Field Values

PAIR_SIZE

private static final int PAIR_SIZE

See Also:

Constant Field Values

Constructor Detail

BytecodeLookupSwitch

public BytecodeLookupSwitch(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

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

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

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