Module: Ibex::NormalizeExpression

Defined in:
lib/ibex/normalize/expression.rb,
sig/ibex/normalize/expression.rbs

Overview

Deterministically renders frontend EBNF items for production origin metadata.

Class Method Summary collapse

Class Method Details

.render(item) ⇒ String

RBS:

  • (Frontend::AST::item item) -> String

Parameters:

  • item (Frontend::AST::item)

Returns:

  • (String) 


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# File 'lib/ibex/normalize/expression.rb', line 8

def render(item)
  pending = [item] #: Array[untyped]
  output = [] #: Array[String]
  until pending.empty?
    current = pending.pop
    if current.is_a?(String)
      output << current
      next
    end

    push_render_item(pending, current)
  end
  output.join
end