evalx

Documentation

Index

• func Eval(text string, cts ...Context) (any, error)
• func SetCacheSize(size int)
• type Context
• type Scope
  • func NewScope(vars ...any) *Scope
  • func TopScope() *Scope
  • func (it *Scope) Backup(name string)
  • func (it *Scope) Bind(name string, value any)
  • func (it *Scope) Cache(text string, expr ast.Expr)
  • func (it *Scope) CacheOf(text string) (ast.Expr, bool)
  • func (it *Scope) Eval(text string) (any, error)
  • func (it *Scope) IsTop() bool
  • func (it *Scope) Link(items ...any) *Scope
  • func (it *Scope) Merge(val any) *Scope
  • func (it *Scope) MethodOf(ident string) (any, bool)
  • func (it *Scope) Restore(name string)
  • func (it *Scope) UnBind(name string)
  • func (it *Scope) UnLink(obj any) *Scope
  • func (it *Scope) ValueOf(ident string) (any, bool)
• type Stack
  • func StackOf(accessor Context) *Stack
  • func (it *Stack) PopTarget() Target
  • func (it *Stack) PushTarget(target Target)
• type Target

Functions

func Eval

func Eval(text string, cts ...Context) (any, error)

func SetCacheSize

func SetCacheSize(size int)

Types

type Context

type Context interface {
	ValueOf(ident string) (any, bool)
	MethodOf(ident string) (any, bool)
	CacheOf(text string) (ast.Expr, bool)
	Cache(text string, expr ast.Expr)
}

type Scope

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

func NewScope

func NewScope(vars ...any) *Scope

func TopScope

func TopScope() *Scope

func (*Scope) Backup

func (it *Scope) Backup(name string)

func (*Scope) Bind

func (it *Scope) Bind(name string, value any)

func (*Scope) Cache

func (it *Scope) Cache(text string, expr ast.Expr)

func (*Scope) CacheOf

func (it *Scope) CacheOf(text string) (ast.Expr, bool)

func (*Scope) Eval

func (it *Scope) Eval(text string) (any, error)

func (*Scope) IsTop

func (it *Scope) IsTop() bool

func (*Scope) Link

func (it *Scope) Link(items ...any) *Scope

func (*Scope) Merge

func (it *Scope) Merge(val any) *Scope

func (*Scope) MethodOf

func (it *Scope) MethodOf(ident string) (any, bool)

func (*Scope) Restore

func (it *Scope) Restore(name string)

func (*Scope) UnBind

func (it *Scope) UnBind(name string)

func (*Scope) UnLink

func (it *Scope) UnLink(obj any) *Scope

func (*Scope) ValueOf

func (it *Scope) ValueOf(ident string) (any, bool)

type Stack

type Stack struct {
	Ctx    Context
	Target datax.LinkedList[Target]
	Error  error
	X      any
	Y      any
}

func StackOf

func StackOf(accessor Context) *Stack

func (*Stack) PopTarget

func (it *Stack) PopTarget() Target

func (*Stack) PushTarget

func (it *Stack) PushTarget(target Target)

type Target

type Target = uint

const (
	PROPERTY Target = iota
	METHOD
)