vm

package

v1.9.1 Latest Latest Go to latest Published: Jun 21, 2021 License: MIT Imports: 9 Imported by: 0

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Repository

github.com/byte-power/jsexpr

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func AnyToInt(value interface{}) int
func FetchFn(from interface{}, name string) reflect.Value
func Run(program *Program, env interface{}) (interface{}, error)
type Call
type Program
- func (program *Program) Disassemble() string
type PropertyProvider
type Scope
type VM
- func Debug() *VM
type ValueProvider

Constants ¶

View Source

const (
	OpPush byte = iota
	OpPop
	OpRot
	OpFetch
	OpFetchMap
	OpTrue
	OpFalse
	OpNil
	OpNegate
	OpNot
	OpEqual
	OpEqualInt
	OpEqualString
	OpJump
	OpJumpIfTrue
	OpJumpIfFalse
	OpJumpBackward
	OpIn
	OpLess
	OpMore
	OpLessOrEqual
	OpMoreOrEqual
	OpAdd
	OpSubtract
	OpMultiply
	OpDivide
	OpModulo
	OpExponent
	OpRange
	OpMatches
	OpMatchesConst
	OpContains
	OpStartsWith
	OpEndsWith
	OpIndex
	OpSlice
	OpProperty
	OpCall
	OpCallFast
	OpMethod
	OpArray
	OpMap
	OpLen
	OpCast
	OpStore
	OpLoad
	OpInc
	OpBegin
	OpEnd // This opcode must be at the end of this list.
)

Variables ¶

View Source

var (
	MemoryBudget int = 1e6
)

Functions ¶

func AnyToInt ¶

func AnyToInt(value interface{}) int

func FetchFn ¶

func FetchFn(from interface{}, name string) reflect.Value

func Run ¶

func Run(program *Program, env interface{}) (interface{}, error)

Types ¶

type Call ¶

type Call struct {
	Name string `msgpack:"name"`
	Size int    `msgpack:"size"`
}

type Program ¶

type Program struct {
	Source    *file.Source          `msgpack:"source"`
	Locations map[int]file.Location `msgpack:"locations"`
	Constants []interface{}         `msgpack:"constants"`
	Bytecode  []byte                `msgpack:"bytecode"`
}

func (*Program) Disassemble ¶

func (program *Program) Disassemble() string

type PropertyProvider ¶

type PropertyProvider interface {
	FetchProperty(property string) interface{}
}

type Scope ¶

type Scope map[string]interface{}

type VM ¶

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

func Debug ¶

func Debug() *VM

func (*VM) Init ¶

func (vm *VM) Init(program *Program, env interface{})

func (*VM) Position ¶

func (vm *VM) Position() chan int

func (*VM) Run ¶

func (vm *VM) Run(program *Program, env interface{}) (out interface{}, err error)

func (*VM) Scope ¶

func (vm *VM) Scope() Scope

func (*VM) Stack ¶

func (vm *VM) Stack() []interface{}

func (*VM) Step ¶

func (vm *VM) Step()

type ValueProvider ¶

type ValueProvider interface {
	GetValue() interface{}
}

Source Files ¶

View all Source files

Directories ¶

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