Class GrammarRule<T>

Type Parameters

T

Hierarchy

GrammarRule

Index

Constructors

Properties

NT callback commit rejecter rollback rule str? traverser?

Methods

checkRRConflict checkRSConflict toString getString

Constructors

constructor

new GrammarRule<T>(p: Pick<GrammarRule<T>, "traverser" | "rule" | "NT" | "callback" | "rejecter" | "rollback" | "commit">): GrammarRule<T>
Type Parameters
- T
Parameters
- p: Pick<GrammarRule<T>, "traverser" | "rule" | "NT" | "callback" | "rejecter" | "rollback" | "commit">
Returns GrammarRule<T>
- Defined in src/parser/ELR/model/grammar.ts:110

Properties

`Readonly` NT

NT: string

The reduce target.

callback

callback: Callback<T>

commit

commit: Condition<T>

rejecter

rejecter: Condition<T>

rollback

rollback: Callback<T>

`Readonly` rule

rule: readonly Grammar[]

`Private` `Optional` str

str?: string

Cache the string representation.

`Optional` traverser

traverser?: Traverser<T>

Methods

checkRRConflict

checkRRConflict(another: Readonly<GrammarRule<T>>): boolean
Check if the tail of this's rule is the same as another's whole rule.
Parameters
- another: Readonly<GrammarRule<T>>
Returns boolean
- Defined in src/parser/ELR/model/grammar.ts:154

checkRSConflict

checkRSConflict(another: Readonly<GrammarRule<T>>): {
    length: number;
    reducerRule: Readonly<GrammarRule<T>>;
    shifterRule: Readonly<GrammarRule<T>>;
}[]
Check if the tail of this's rule is the same as the head of another. Which means this rule want's to reduce, and another rule want's to shift.
Parameters
- another: Readonly<GrammarRule<T>>
Returns {
    length: number;
    reducerRule: Readonly<GrammarRule<T>>;
    shifterRule: Readonly<GrammarRule<T>>;
}[]
- Defined in src/parser/ELR/model/grammar.ts:129

toString

toString(): string
Return { NT: `grammar rules` }.

Returns string
- Defined in src/parser/ELR/model/grammar.ts:159

`Static` getString

getString(gr: {
NT: string;
rule: readonly Grammar[];
}): string
Return { NT: `grammar rules` }.
Parameters
- gr: {
  NT: string;
  rule: readonly Grammar[];
  }
  - NT: string
  - rule: readonly Grammar[]
Returns string
- Defined in src/parser/ELR/model/grammar.ts:164

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