vm

Documentation

Index

• Constants
• Variables
• type Frame
  • func NewFrame(cl *obj.Closure, basePointer int) *Frame
  • func (f *Frame) Instructions() code.Instructions
• type State
  • func NewState() *State
• type VM
  • func New(bytecode *compiler.Bytecode) *VM
  • func NewWithState(bytecode *compiler.Bytecode, state *State) *VM
  • func (vm *VM) LastPoppedStackElem() obj.Object
  • func (vm *VM) Run() (err error)

Constants

const (
	StackSize  = 2048
	GlobalSize = 65536
	MaxFrames  = 1024
)

Variables

var (
	True  = obj.True
	False = obj.False
	Null  = obj.NullObj
)

Types

type Frame

type Frame struct {
	// contains filtered or unexported fields
}

func NewFrame

func NewFrame(cl *obj.Closure, basePointer int) *Frame

func (*Frame) Instructions

func (f *Frame) Instructions() code.Instructions

type State

type State struct {
	Consts  []obj.Object
	Globals []obj.Object
	Symbols *compiler.SymbolTable
}

func NewState

func NewState() *State

type VM

type VM struct {
	*State
	// contains filtered or unexported fields
}

func New

func New(bytecode *compiler.Bytecode) *VM

func NewWithState

func NewWithState(bytecode *compiler.Bytecode, state *State) *VM

func (*VM) LastPoppedStackElem

func (vm *VM) LastPoppedStackElem() obj.Object

func (*VM) Run

func (vm *VM) Run() (err error)