Class: Peruby::Lexer::QuoteLike

Inherits:
Object
  • Object
show all
Defined in:
lib/peruby/lexer/quote_like.rb

Overview

Scans q/qq/qw/qr/m/s/tr/y delimiters without interpreting their contents.

Constant Summary collapse

PAIRS = 
{ '(' => ')', '[' => ']', '{' => '}', '<' => '>' }.freeze
TWO_PART = 
%i[s tr y].freeze

Instance Method Summary collapse

Constructor Details

#initialize(source, index) ⇒ QuoteLike

Returns a new instance of QuoteLike.



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# File 'lib/peruby/lexer/quote_like.rb', line 13

def initialize(source, index)
  @source = source
  @index = index
end

Instance Method Details

#scan(operator) ⇒ Object

Raises:



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# File 'lib/peruby/lexer/quote_like.rb', line 18

def scan(operator)
  skip_space if TWO_PART.include?(operator) && paired_delimiter?
  open = take
  raise CompileError, "Missing delimiter for #{operator}" unless open

  parts = [scan_part(open)]
  parts << scan_second(open) if TWO_PART.include?(operator)
  modifiers = take_while(/[a-z]/)
  [Quote.new(operator:, parts:, modifiers:, interpolate: open != "'"), @index]
end