class Pegasus::Pda::Item

• Pegasus::Pda::Item
• Reference
• Object

Overview

An single production item, without a dot or any kind of state.

Included Modules

• JSON::Serializable

Defined in:

pegasus/items.cr
pegasus/json.cr

Constructors

• .new(head : Pegasus::Elements::NonterminalId, body : Array(Pegasus::Elements::NonterminalId | Pegasus::Elements::TerminalId))

  Creates a new item with the given head and body.

• .new(pull : JSON::PullParser)

Instance Method Summary

• #==(other : Item)

  Compares equality with the given other item.

• #body : Array(Elements::TerminalId | Elements::NonterminalId)

  The body of terminals and nonterminals on the right of the production rule.

• #hash(hasher)

  Hashes this item.

• #head : Elements::NonterminalId

  The nonterminal on the left of the production rule, into which the right hand side is converted.

• #to_s(io)

Constructor Detail

Instance Method Detail