symbols

func (*Symbols) Add ¶

func (this *Symbols) Add(symbols ...string)

func (*Symbols) Id ¶

func (this *Symbols) Id(typ int) string

func (*Symbols) IsTerminal ¶

func (this *Symbols) IsTerminal(sym string) bool

func (*Symbols) List ¶

func (this *Symbols) List() []string

func (*Symbols) ListStringLitSymbols ¶

func (this *Symbols) ListStringLitSymbols() []string

ListStringLitSymbols will return a slice containing the ids of all symbols declared as string literals in the grammar.

func (*Symbols) ListTerminals ¶

func (this *Symbols) ListTerminals() []string

func (*Symbols) NTId ¶

func (this *Symbols) NTId(idx int) string

NTId will return the id of the NT with index idx, or "" if there is no NT symbol with index, idx.

func (*Symbols) NTList ¶

func (this *Symbols) NTList() []string

NTList returns a slice containing all the non-terminal symbols of the grammar.

func (*Symbols) NTType ¶

func (this *Symbols) NTType(symbol string) int

NTType returns the NT index of a symbol (index in 0..|NT|-1) or -1 if the symbol is not in NT.

func (*Symbols) NumNTSymbols ¶

func (this *Symbols) NumNTSymbols() int

NumNTSymbols will return the number of NT symbols in the grammar.

func (*Symbols) NumSymbols ¶

func (this *Symbols) NumSymbols() int

NumSymbols returns the total number of symbols in grammar: the sum of the terminals and non-terminals.

func (*Symbols) String ¶

func (this *Symbols) String() string

func (*Symbols) StringLitType ¶

func (this *Symbols) StringLitType(id string) int

func (*Symbols) Type ¶

func (this *Symbols) Type(id string) int