parser

Documentation

Index

• Variables
• func ApplyFragments(t CPTree, fragments map[spec.LexKindName]CPTree) (bool, error)
• func CompleteFragments(fragments map[spec.LexKindName]CPTree) error
• func NewParser(kind spec.LexKindName, src io.Reader) *parser
• type CPRange
• type CPTree
• type PatternEntry

Variables

var (
	ParseErr = fmt.Errorf("parse error")

	SynErrFragmentInvalidSymbol = fmt.Errorf("invalid fragment symbol")
)

Functions

func ApplyFragments

func ApplyFragments(t CPTree, fragments map[spec.LexKindName]CPTree) (bool, error)

func CompleteFragments

func CompleteFragments(fragments map[spec.LexKindName]CPTree) error

func NewParser

func NewParser(kind spec.LexKindName, src io.Reader) *parser

Types

type CPRange

type CPRange struct {
	From rune
	To   rune
}

type CPTree

type CPTree interface {
	fmt.Stringer
	Range() (rune, rune, bool)
	Optional() (CPTree, bool)
	Repeatable() (CPTree, bool)
	Concatenation() (CPTree, CPTree, bool)
	Alternatives() (CPTree, CPTree, bool)
	Describe() (spec.LexKindName, []spec.LexKindName, error)
	// contains filtered or unexported methods
}

type PatternEntry

type PatternEntry struct {
	ID      spec.LexModeKindID
	Pattern []byte
}