lrparser

Aug 18, 2026

Changes in this version

type Item

+ func (it Item) Less(it2 Item) bool

type Rule

+ func NewRule(lhs string, rhs []string, conv func([]any) any) *Rule

Jun 1, 2026

Changes in this version

type Grammar

+ ErrorOnNonlocated bool

Jan 1, 2026

Changes in this version

+ type ParseError struct

+ Loc *textkit.Location

+ Message string

+ func (err *ParseError) Error() string

Jul 12, 2023

Changes in this version

type Rule

+ func BuildRules(list []*SynSem) ([]*Rule, error)

+ func MustBuildRules(list []*SynSem) []*Rule

+ type SynSem struct

+ Sem func([]any) any

+ Syn string

Jul 8, 2023

Changes in this version

type Rule

+ func BuildRule(def string, f func([]interface{}) interface{}) (*Rule, error)

+ func MustBuildRule(def string, f func([]interface{}) interface{}) *Rule

Jul 6, 2023

Changes in this version

type Item

+ LHS string

+ RHS []string

+ type Located interface

+ Location func() textkit.Location

+ SetLocation func(textkit.Location)

type Rule

+ LHS string

+ RHS []string

Feb 17, 2021

Changes in this version

+ func CoalesceSymbols(tokens []*textkit.Token, clusters []string) []*textkit.Token

+ type Grammar struct

+ Rules []*Rule

+ func NewGrammar(rules ...[]*Rule) *Grammar

+ func (gr *Grammar) BuildItems()

+ func (gr *Grammar) Parse(tokens []*textkit.Token) (interface{}, error)

+ type Item struct

+ DotPos int

+ Lhs string

+ Rhs []string

+ func (it *Item) String() string

+ type Operator struct

+ Associativity OperatorAssociativity

+ Priority int

+ Symbols []string

+ func (op Operator) Name() string

+ type OperatorAssociativity int

+ const LeftAssociative

+ const NonAssociative

+ const RightAssociative

+ type Rule struct

+ Conv func([]interface{}) interface{}

+ Lhs string

+ Rhs []string

+ func BuildListRules(root, leaf string, canBeEmpty bool, leftBracket, sep, rightBracket string, ...) []*Rule

+ func BuildOperatorRules(root, leaf string, ops []Operator, ...) []*Rule

+ func BuildOptSeq(root string, head, tail []string, ...) []*Rule

+ func (r *Rule) String() string

+ type State struct

+ Items []*Item

+ func (st *State) String() string