ProgramContext

_Context of DSL code

One of the core contracts of the project. It provides additional information about program state and point counter (pc)._

ANYONE

address ANYONE

appAddr

address appAddr

stack

contract Stack stack

program

bytes program

pc

uint256 pc

nextpc

uint256 nextpc

msgSender

address msgSender

msgValue

uint256 msgValue

isStructVar

mapping(string => bool) isStructVar

structParams

mapping(bytes4 => mapping(bytes4 => bytes4)) structParams

labelPos

mapping(string => uint256) labelPos

forLoopIterationsRemaining

uint256 forLoopIterationsRemaining

nonZeroAddress

modifier nonZeroAddress(address _addr)

onlyApp

modifier onlyApp()

constructor

constructor() public

setProgram

function setProgram(bytes _data) public

Sets the final version of the program.

Parameters

Name	Type	Description
_data	bytes	is the bytecode of the full program

programSlice

function programSlice(bytes _payload, uint256 _index, uint256 _step) public pure returns (bytes)

Returns the slice of the program using a step value

Parameters

Name	Type	Description
_payload	bytes	is bytecode of program that will be sliced
_index	uint256	is a last byte of the slice
_step	uint256	is the step of the slice

Return Values

Name	Type	Description
[0]	bytes	the slice of provided _payload bytecode

programAt

function programAt(uint256 _start, uint256 _size) external view returns (bytes)

currentProgram

function currentProgram() public view returns (bytes)

Returns the slice of the current program using the index and the step values

Return Values

Name	Type	Description
[0]	bytes	the slice of stored bytecode in the program variable

setPc

function setPc(uint256 _pc) public

Sets the current point counter for the program

Parameters

Name	Type	Description
_pc	uint256	is the new value of the pc

setNextPc

function setNextPc(uint256 _nextpc) public

Sets the next point counter for the program

Parameters

Name	Type	Description
_nextpc	uint256	is the new value of the nextpc

incPc

function incPc(uint256 _val) public

Increases the current point counter with the provided value and saves the sum

Parameters

Name	Type	Description
_val	uint256	is the new value that is used for summing it and the current pc value

setMsgSender

function setMsgSender(address _msgSender) public

Sets/Updates msgSender by the provided value

Parameters

Name	Type	Description
_msgSender	address	is the new msgSender

setMsgValue

function setMsgValue(uint256 _msgValue) public

Sets/Updates msgValue by the provided value

Parameters

Name	Type	Description
_msgValue	uint256	is the new msgValue

setStructVars

function setStructVars(string _structName, string _varName, string _fullName) public

Sets the full name depends on structure variables

Parameters

Name	Type	Description
_structName	string	is the name of the structure
_varName	string	is the name of the structure variable
_fullName	string	is the full string of the name of the structure and its variables

setForLoopIterationsRemaining

function setForLoopIterationsRemaining(uint256 _forLoopIterationsRemaining) external

Sets the number of iterations for the for-loop that is being executed

Parameters

Name	Type	Description
_forLoopIterationsRemaining	uint256	The number of iterations of the loop

setLabelPos

function setLabelPos(string _name, uint256 _value) external