import {ConstantPool} from 'jvm/lib/core/jvm/ConstantPool.js'

public class | source

ConstantPool

Wrapper around the JVM Class File's Constant Pool table.

It provides simplified access to the elements contained in the Constant Pool while.

See:

https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4

Constructor Summary

Public Constructor
public	constructor(pool: Array<Object>)

Member Summary

Public Members
public	pool: {Array<Object>
public get	size: Number: * The total size of the Constant Pool.

Method Summary

Public Methods
public	at(idx: Number): Object \| false The 1-based index into the Constant Pool for which you wish to retrieve the entry from.
public	find(criteria: Object): Object \| undefined Attempts to find the first entry in the pool matching the specified criteria going from the first index to the last.
public	toObject(): Object Serialized version of this class without circular references.
public	valueAt(idx: Number): Number \| string \| undefined Decodes the entry's value at the Constant Pool index specified.

Public Constructors

public constructor(pool: Array<Object>) source

Params:

Name	Type	Attribute	Description
pool	Array<Object>

Public Members

public pool: {Array<Object> source

public get size: Number: * source

The total size of the Constant Pool.

Return:

Number

Public Methods

public at(idx: Number): Object | false source

The 1-based index into the Constant Pool for which you wish to retrieve the entry from.

Indices MUST be: 1 ≤ index ≤ ConstantPool#size

Params:

Name	Type	Attribute	Description
idx	Number

Return:

Object | false

returns false if the index passed is the second half (empty) of a Double or Long entry in the Constant Pool. See the Oracle link below for more information.

See:

https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.5

public find(criteria: Object): Object | undefined source

Attempts to find the first entry in the pool matching the specified criteria going from the first index to the last.

Params:

Name	Type	Attribute	Description
criteria	Object		Search criteria

Return:

Object | undefined

returns undefined if no match could be found

See:

public toObject(): Object source

Serialized version of this class without circular references.

Return:

Object

public valueAt(idx: Number): Number | string | undefined source

Decodes the entry's value at the Constant Pool index specified.

Params:

Name	Type	Attribute	Description
idx	Number		index of the entry to decode.

Return:

Number | string | undefined

returns undefined if the entry was not able to be decoded.