vm

package

v0.5.0 Latest Latest Go to latest Published: Jul 22, 2023 License: Apache-2.0 Imports: 20 Imported by: 4

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const (
	MaxArgs       = 255
	MaxFrameDepth = 1024
	MaxStackDepth = 1024
	StopSignal    = -1
	MB            = 1024 * 1024
)

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const DefaultFrameLocals = 8

This section is empty.

func CompileModule(ctx context.Context, name, code string, builtins map[string]object.Object) (*object.Module, error)

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

func (f *Frame) ActivateCode(code *object.Code)

func (f *Frame) ActivateFunction(fn *object.Function, returnAddr int, localValues []object.Object)

func (f *Frame) CaptureLocals() []object.Object

func (f *Frame) Code() *object.Code

func (f *Frame) Function() *object.Function

func (f *Frame) Locals() []object.Object

func (f *Frame) SetReturnAddr(addr int)

type Option func(*VirtualMachine)

Option is a configuration function for a Virtual Machine.

func WithImporter(importer importer.Importer) Option

WithImporter is used to supply an Importer to the Virtual Machine.

func WithInstructionOffset(offset int) Option

WithInstructionOffset sets the initial instruction offset.

func WithLimits(limits limits.Limits) Option

WithLimits sets the limits for the Virtual Machine.

type Options struct {
	Main              *object.Code
	InstructionOffset int
	Importer          importer.Importer
}

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

func NewSimpleImporter(moduleSource map[string]string, builtins map[string]object.Object) *SimpleImporter

func (i *SimpleImporter) Import(ctx context.Context, name string) (*object.Module, error)

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

func New(main *object.Code, options ...Option) *VirtualMachine

New creates a new Virtual Machine.

func (vm *VirtualMachine) Run(ctx context.Context) (err error)

func (vm *VirtualMachine) TOS() (object.Object, bool)