first

Documentation

Index

• type First
  • func New(prods []*basicprod.Production) *First
  • func (this *First) AddNonTerminals(prods []*basicprod.Production)
  • func (this *First) AddTerminals()
  • func (this *First) FirstString(s []string, context ...string) (fs FirstSet)
  • func (this *First) FirstSymbol(sym string) FirstSet
  • func (this *First) String() string
• type FirstSet
  • func (this FirstSet) Add(sym ...string) (fs FirstSet, new bool)
  • func (this FirstSet) Contain(sym string) bool
  • func (this FirstSet) Equal(that FirstSet) bool
  • func (this FirstSet) Min(sym string) FirstSet
  • func (this FirstSet) Size() int
  • func (this FirstSet) String() string

Types

type First

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

func New

func New(prods []*basicprod.Production) *First

func (*First) AddNonTerminals

func (this *First) AddNonTerminals(prods []*basicprod.Production)

func (*First) AddTerminals

func (this *First) AddTerminals()

func (*First) FirstString

func (this *First) FirstString(s []string, context ...string) (fs FirstSet)

func (*First) FirstSymbol

func (this *First) FirstSymbol(sym string) FirstSet

func (*First) String

func (this *First) String() string

type FirstSet

type FirstSet []string

func (FirstSet) Add

func (this FirstSet) Add(sym ...string) (fs FirstSet, new bool)

func (FirstSet) Contain

func (this FirstSet) Contain(sym string) bool

func (FirstSet) Equal

func (this FirstSet) Equal(that FirstSet) bool

func (FirstSet) Min

func (this FirstSet) Min(sym string) FirstSet

Return this - {sym}

func (FirstSet) Size

func (this FirstSet) Size() int

func (FirstSet) String

func (this FirstSet) String() string