org.graalvm.compiler.bytecode

Class BytecodeLookupSwitch

java.lang.Object

org.graalvm.compiler.bytecode.BytecodeSwitch

org.graalvm.compiler.bytecode.BytecodeLookupSwitch

public class BytecodeLookupSwitch
extends BytecodeSwitch

A utility for processing Bytecodes.LOOKUPSWITCH bytecodes.

Field Summary

Fields inherited from class org.graalvm.compiler.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 org.graalvm.compiler.bytecode.BytecodeSwitch

bci, defaultOffset, defaultTarget, targetAt

Methods inherited from class java.lang.Object

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

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