runtime

package
v1.9.0 Latest Latest
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Published: Feb 21, 2019 License: MIT Imports: 8 Imported by: 0

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Constants

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const (
	// StackSize is the maximum stack size.
	StackSize = 2048

	// GlobalsSize is the maximum number of global variables.
	GlobalsSize = 1024

	// MaxFrames is the maximum number of function frames.
	MaxFrames = 1024
)

Variables

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var ErrStackOverflow = errors.New("stack overflow")

ErrStackOverflow is a stack overflow error.

Functions

This section is empty.

Types

type Frame

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

Frame represents a function call frame.

type VM

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

VM is a virtual machine that executes the bytecode compiled by Compiler.

func NewVM

func NewVM(bytecode *compiler.Bytecode, globals []*objects.Object, builtinModules map[string]*objects.Object) *VM

NewVM creates a VM.

func (*VM) Abort

func (v *VM) Abort()

Abort aborts the execution.

func (*VM) FrameInfo

func (v *VM) FrameInfo() (frameIndex, ip int)

FrameInfo returns the current function call frame information.

func (*VM) Globals

func (v *VM) Globals() []*objects.Object

Globals returns the global variables.

func (*VM) Run

func (v *VM) Run() error

Run starts the execution.

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