PointerLibrary
Author: Axicon Labs Limited
Data type that represents a pointer to a slice of contract code at an address.
Functions
createPointer
Create a pointer to a slice of contract code at an address.
function createPointer(address _location, uint48 _start, uint48 _size) internal pure returns (Pointer);
Parameters
| Name | Type | Description |
|---|---|---|
_location | address | The address of the contract code |
_start | uint48 | The starting position of the slice |
_size | uint48 | The size of the slice |
location
Get the address of the pointed contract code from a pointer.
function location(Pointer self) internal pure returns (address);
Parameters
| Name | Type | Description |
|---|---|---|
self | Pointer | The pointer to the slice of contract code |
Returns
| Name | Type | Description |
|---|---|---|
<none> | address | The address of the contract code |
start
Get the starting position of the pointed slice from a pointer.
function start(Pointer self) internal pure returns (uint48);
Parameters
| Name | Type | Description |
|---|---|---|
self | Pointer | The pointer to the section of contract code |
Returns
| Name | Type | Description |
|---|---|---|
<none> | uint48 | The starting position of the slice |
size
Get the size of the pointed slice from a pointer.
function size(Pointer self) internal pure returns (uint48);
Parameters
| Name | Type | Description |
|---|---|---|
self | Pointer | The pointer to the slice of contract code |
Returns
| Name | Type | Description |
|---|---|---|
<none> | uint48 | The size of the slice |
data
Get the data of the pointed slice from a pointer as a bytearray.
function data(Pointer self) internal view returns (bytes memory);
Parameters
| Name | Type | Description |
|---|---|---|
self | Pointer | The pointer to the slice of contract code |
Returns
| Name | Type | Description |
|---|---|---|
<none> | bytes | The pointed slice as a bytearray |
dataStr
Get the data of the pointed slice from a pointer as a string.
function dataStr(Pointer self) internal view returns (string memory);
Parameters
| Name | Type | Description |
|---|---|---|
self | Pointer | The pointer to the slice of contract code |
Returns
| Name | Type | Description |
|---|---|---|
<none> | string | The pointed slice as a string |
decompressedDataStr
Returns the result of decompressing the pointed slice of data with LZ-77 interpreted as a UTF-8-encoded string.
function decompressedDataStr(Pointer self) internal view returns (string memory);
Parameters
| Name | Type | Description |
|---|---|---|
self | Pointer | The pointer to the slice of contract code |
Returns
| Name | Type | Description |
|---|---|---|
<none> | string | The LZ-77 decompressed data as a string |