code

Documentation

Index

• func Make(opcode Opcode, operands ...int) []byte
• func ReadOperands(def *Definition, ins Instructions) ([]int, int)
• func ReadUint16(ins Instructions) uint16
• func ReadUint8(ins Instructions) byte
• type Definition
  • func Lookup(op byte) (*Definition, error)
• type Instructions
  • func (inst Instructions) String() string
• type Opcode

Functions

func Make

func Make(opcode Opcode, operands ...int) []byte

func ReadOperands

func ReadOperands(def *Definition, ins Instructions) ([]int, int)

func ReadUint16

func ReadUint16(ins Instructions) uint16

func ReadUint8

func ReadUint8(ins Instructions) byte

Types

type Definition

type Definition struct {
	Name          string
	OperandWidths []int
}

func Lookup

func Lookup(op byte) (*Definition, error)

type Instructions

type Instructions []byte

func (Instructions) String

func (inst Instructions) String() string

type Opcode

type Opcode byte

const (
	OpConstant Opcode = iota
	OpAdd
	OpSub
	OpMul
	OpDiv
	OpPop
	OpTrue
	OpFalse
	OpEqual
	OpNotEqual
	OpGreaterThan
	OpMinus
	OpBang
	OpJumpNotTruthy
	OpJump
	OpNull
	OpSetGlobal
	OpGetGlobal
	OpArray
	OpIndex
	OpHash
	OpCall
	OpReturn
	OpReturnValue
	OpSetLocal
	OpGetLocal
	OpGetBuiltin
	OpClosure
	OpGetFree
	OpRange
)