runtime

package

v1.0.0-early-alpha Latest Latest Go to latest Published: Apr 1, 2021 License: Apache-2.0 Imports: 8 Imported by: 0

Details

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The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
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Learn more about best practices

Repository

github.com/SnowballSH/Gorilla

Documentation ¶

Index ¶

Variables
type BaseObject
type CallFuncType
type ConvertFuncType
type Environment
- func NewEnvironment() *Environment
- func NewEnvironmentWithStore(store storeType) *Environment
type Object
type RClass
- func MakeClass(Name string, NewFunc CallFuncType, InstanceVars *Environment) *RClass
- func MakeClassFromSuper(Name string, super *RClass, NewFunc CallFuncType, InstanceVars *Environment) *RClass
type VM
- func NewVM(source []byte) *VM
- func NewVMWithStore(source []byte, env *Environment) *VM

Constants ¶

This section is empty.

Variables ¶

View Source

var GoFuncClass = MakeClassFromSuper("Native Function", NumericClass, NotCallable, goFuncIns)

View Source

var NotCallable = func(self BaseObject, args ...BaseObject) (BaseObject, error) {
	return nil, fmt.Errorf(fmt.Sprintf("'%s' is not callable", self.ToString()))
}

View Source

var Null = &Object{
	RClass:        NullClass,
	InternalValue: nil,
	ToStringFunc: func(self *Object) string {
		return "null"
	},
	InspectFunc: func(self *Object) string {
		return "null"
	},
	IsTruthyFunc: func(self *Object) bool {
		return false
	},
	EqualToFunc: func(self *Object, other BaseObject) bool {
		v, o := other.(*Object)
		if !o {
			return false
		}
		return self == v
	},
	CallFunc:  NotCallable,
	ParentObj: nil,
}

View Source

var NullClass = MakeClassFromSuper("Null", NumericClass,
	func(self BaseObject, args ...BaseObject) (BaseObject, error) {
		return nil, fmt.Errorf("cannot convert %s to null", args[0].Class().Name)
	}, nullIns)

View Source

var NumericClass = MakeClass("Numeric", NotCallable, NewEnvironment())

View Source

var ReservedKW = []string{
	"null",
	"print",
}

Functions ¶

This section is empty.

Types ¶

type BaseObject ¶

type BaseObject interface {
	Class() *RClass
	Value() interface{}
	ToString() string
	Inspect() string
	InstanceVariableGet(string) (BaseObject, bool)
	InstanceVariables() *Environment

	IsTruthy() bool
	EqualTo(BaseObject) bool

	Call(self BaseObject, args ...BaseObject) (BaseObject, error)

	Parent() BaseObject
	SetParent(object BaseObject)
}

Every Gorilla Object and Class inherits from this

type CallFuncType ¶

type CallFuncType func(self BaseObject, args ...BaseObject) (BaseObject, error)

type ConvertFuncType ¶

type ConvertFuncType func(x BaseObject) (*Object, error)

var GorillaToInteger ConvertFuncType

var GorillaToString ConvertFuncType

type Environment ¶

type Environment struct {
	Store storeType
}

Environment storage of Gorilla

var Global *Environment

Global is the global runtime storage

func NewEnvironment ¶

func NewEnvironment() *Environment

func NewEnvironmentWithStore ¶

func NewEnvironmentWithStore(store storeType) *Environment

func (*Environment) Copy ¶

func (e *Environment) Copy() *Environment

func (*Environment) Get ¶

func (e *Environment) Get(name string) (BaseObject, bool)

func (*Environment) Names ¶

func (e *Environment) Names() []string

func (*Environment) Set ¶

func (e *Environment) Set(name string, val BaseObject) BaseObject

type Object ¶

type Object struct {
	RClass        *RClass
	InternalValue interface{}
	ToStringFunc  func(self *Object) string
	InspectFunc   func(self *Object) string
	IsTruthyFunc  func(self *Object) bool
	EqualToFunc   func(self *Object, other BaseObject) bool
	CallFunc      CallFuncType
	ParentObj     BaseObject
}

Object struct holds a normal object

func NewGoFunc ¶

func NewGoFunc(function CallFuncType) *Object

func NewInteger ¶

func NewInteger(value int64) *Object

func NewString ¶

func NewString(value string) *Object

func (*Object) Call ¶

func (o *Object) Call(self BaseObject, args ...BaseObject) (BaseObject, error)

func (*Object) Class ¶

func (o *Object) Class() *RClass

func (*Object) EqualTo ¶

func (o *Object) EqualTo(object BaseObject) bool

func (*Object) Inspect ¶

func (o *Object) Inspect() string

func (*Object) InstanceVariableGet ¶

func (o *Object) InstanceVariableGet(s string) (BaseObject, bool)

func (*Object) InstanceVariables ¶

func (o *Object) InstanceVariables() *Environment

func (*Object) IsTruthy ¶

func (o *Object) IsTruthy() bool

func (*Object) Parent ¶

func (o *Object) Parent() BaseObject

func (*Object) SetParent ¶

func (o *Object) SetParent(parent BaseObject)

func (*Object) ToString ¶

func (o *Object) ToString() string

func (*Object) Value ¶

func (o *Object) Value() interface{}

type RClass ¶

type RClass struct {
	Name      string
	Instances *Environment

	// For children
	InstanceVars *Environment

	NewFunc CallFuncType
	// contains filtered or unexported fields
}

Defines a Class, or Type

var IntegerClass *RClass

var StringClass *RClass

func MakeClass ¶

func MakeClass(
	Name string,
	NewFunc CallFuncType,
	InstanceVars *Environment,
) *RClass

func MakeClassFromSuper ¶

func MakeClassFromSuper(
	Name string,
	super *RClass,
	NewFunc CallFuncType,
	InstanceVars *Environment,
) *RClass

func (*RClass) Call ¶

func (R *RClass) Call(a BaseObject, b ...BaseObject) (BaseObject, error)

func (*RClass) Class ¶

func (R *RClass) Class() *RClass

func (*RClass) EqualTo ¶

func (R *RClass) EqualTo(object BaseObject) bool

func (*RClass) GetInstance ¶

func (R *RClass) GetInstance(s string) (BaseObject, bool)

GetInstance gets instance variables for its children

func (*RClass) Inspect ¶

func (R *RClass) Inspect() string

func (*RClass) InstanceVariableGet ¶

func (R *RClass) InstanceVariableGet(s string) (BaseObject, bool)

func (*RClass) InstanceVariables ¶

func (R *RClass) InstanceVariables() *Environment

func (*RClass) IsTruthy ¶

func (R *RClass) IsTruthy() bool

func (*RClass) Parent ¶

func (R *RClass) Parent() BaseObject

func (*RClass) SetParent ¶

func (R *RClass) SetParent(_ BaseObject)

func (*RClass) ToString ¶

func (R *RClass) ToString() string

func (*RClass) Value ¶

func (R *RClass) Value() interface{}

type VM ¶

type VM struct {
	Error *errors.VMERROR

	LastPopped BaseObject

	Environment *Environment
	// contains filtered or unexported fields
}

The Base VM struct

func NewVM ¶

func NewVM(source []byte) *VM

NewVM creates a new vm from array of bytes

func NewVMWithStore ¶

func NewVMWithStore(source []byte, env *Environment) *VM

NewVMWithStore is NewVM but with set environment

func (*VM) MakeError ¶

func (vm *VM) MakeError(why string)

MakeError panics a VM error

func (*VM) Run ¶

func (vm *VM) Run()

Run runs the bytecode

func (*VM) RunStatement ¶

func (vm *VM) RunStatement()

RunStatement runs a single statement/opcode

Source Files ¶

View all Source files

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