Class Instruction

Abstract base class for all virtual machine instructions.

Inheritance

object

Instruction

AddInstruction

AndInstruction

CallInstruction

CmpInstruction

DivInstruction

DupInstruction

EqInstruction

GetIndexInstruction

HaltInstruction

InputInstruction

JmpInstruction

JnzInstruction

JzInstruction

LoadInstruction

ModInstruction

MulInstruction

NegInstruction

NeqInstruction

NewArrayInstruction

NotInstruction

OrInstruction

OverInstruction

PopInstruction

PrintInstruction

PushInstruction

PushStringInstruction

RetInstruction

SetIndexInstruction

StoreInstruction

SubInstruction

SwapInstruction

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: VM.Core.Instructions

Assembly: VM.dll

Syntax

public abstract class Instruction

Constructors

Instruction(OpCode, string, int, string)

Abstract base class for all virtual machine instructions.

Declaration

protected Instruction(OpCode code, string mnemonic, int operandSize = 0, string stackEffect = "")

Parameters

Type	Name	Description
OpCode	code
string	mnemonic
int	operandSize
string	stackEffect

Properties

Code

Gets the opcode for this instruction

Declaration

public OpCode Code { get; }

Property Value

Type	Description
OpCode

Mnemonic

Gets the human-readable mnemonic

Declaration

public string Mnemonic { get; }

Property Value

Type	Description
string

OperandSize

Gets the size of operands in bytes

Declaration

public int OperandSize { get; }

Property Value

Type	Description
int

StackEffect

Gets the stack effect description

Declaration

public string StackEffect { get; }

Property Value

Type	Description
string

Methods

Execute(ExContext, FrameStack)

Executes the instruction with the given context.

Declaration

public abstract void Execute(ExContext context, FrameStack frames)

Parameters

Type	Name	Description
ExContext	context	The execution context
FrameStack	frames	The frame stack