code

Documentation

Index

• func Make(op Opcode, operands ...int) []byte
• func ReadOperands(def *Definition, ins Instructions) ([]int, int)
• func ReadUint16(ins Instructions) uint16
• func ReadUint8(ins Instructions) uint8
• type Definition
  • func Lookup(op byte) (*Definition, error)
• type Instructions
  • func (ins Instructions) String() string
• type Opcode

Functions

func Make

func Make(op 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) uint8

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 (ins Instructions) String() string

type Opcode

type Opcode byte

const (
	OpPop Opcode = iota

	OpConstant
	OpTrue
	OpFalse
	OpNull

	OpAdd
	OpSub
	OpMul
	OpDiv

	OpNegate
	OpBang

	OpEqual
	OpNotEqual
	OpGreaterThan

	OpJumpFalsy
	OpJump

	OpSetGlobal
	OpGetGlobal

	OpGetLocal
	OpSetLocal

	OpArray
	OpHash

	OpIndex

	OpCall
	OpReturnValue
	OpReturn

	OpGetBuiltin

	OpClosure
	OpGetFree
	OpCurrentClosure
)