internal

Nov 23, 2018

Changes in this version

+ func Verify(grammar Grammar, start string) error

+ type Alternative []Expression

+ func (x Alternative) Pos() scanner.Position

+ type Bad struct

+ Error string

+ TokPos scanner.Position

+ func (x *Bad) Pos() scanner.Position

+ type Expression interface

+ Pos func() scanner.Position

+ type Grammar struct

+ Index map[string]*Production

+ Productions []*NamedProduction

+ func Parse(filename string, src io.Reader) (Grammar, error)

+ type Group struct

+ Body Expression

+ Lparen scanner.Position

+ func (x *Group) Pos() scanner.Position

+ type Name struct

+ String string

+ StringPos scanner.Position

+ func (x *Name) Pos() scanner.Position

+ type NamedProduction struct

+ Name string

+ Production *Production

+ type Option struct

+ Body Expression

+ Lbrack scanner.Position

+ func (x *Option) Pos() scanner.Position

+ type Production struct

+ Expr Expression

+ Name *Name

+ func (x *Production) Pos() scanner.Position

+ type Range struct

+ Begin *Token

+ End *Token

+ Exclude Expression

+ func (x *Range) Pos() scanner.Position

+ type Repetition struct

+ Body Expression

+ Lbrace scanner.Position

+ func (x *Repetition) Pos() scanner.Position

+ type Sequence []Expression

+ func (x Sequence) Pos() scanner.Position

+ type Token struct

+ String string

+ StringPos scanner.Position

+ func (x *Token) Pos() scanner.Position