Module: Ibex::Frontend::AST::Node

Included in:
Alternative, Conversion, Convert, DisplayName, Empty, Expect, ExpectRR, Fragment, GrammarTest, Group, Include, InlineAction, Lexer, LexerRule, LexerState, NodeAnnotation, OnErrorReduce, Optional, Options, Parameter, ParameterizedReference, ParserConfiguration, ParserSetting, Plus, Precedence, PrecedenceLevel, Printer, Recovery, Root, Rule, SemanticType, SeparatedList, Star, Start, SymbolReference, Tokens, UserCode
Defined in:
lib/ibex/frontend/ast.rb,
sig/ibex/frontend/ast.rbs

Overview

Adds deterministic, recursively serializable hashes to Struct nodes.

Instance Method Summary collapse

Instance Method Details

#serialize(value) ⇒ Object

RBS:

  • (untyped value) -> untyped

Parameters:

  • value (Object)

Returns:

  • (Object) 


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# File 'lib/ibex/frontend/ast.rb', line 64

def serialize(value)
  return value if value.nil?

  case value
  when Array then value.map { |item| serialize(item) }
  when Hash then value.to_h { |key, item| [key, serialize(item)] }
  else value.respond_to?(:to_h) ? value.to_h : value
  end
end

#to_h ⇒ Hash[Symbol, untyped]

RBS:

  • () -> Hash[Symbol, untyped]

Returns:

  • (Hash[Symbol, untyped]) 


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# File 'lib/ibex/frontend/ast.rb', line 49

def to_h
  fields = each_pair.to_h { |name, value| [name, serialize(value)] }
  fields.delete(:aliases) if self.class.name.end_with?("::Tokens") && !fields[:aliases]
  if self.class.name.end_with?("::Root")
    fields.delete(:extended) unless fields[:extended]
    fields.delete(:extended_loc) unless fields[:extended_loc]
    fields.delete(:cst) unless fields[:cst]
  end
  fields.delete(:node_annotation) if self.class.name.end_with?("::Alternative") && !fields[:node_annotation]
  { node: self.class.name.split("::").last }.merge(fields)
end