Method: CORAL#_nt_SCHAR

Defined in:

lib/coral.rb

#_nt_SCHAR ⇒ Object

# File 'lib/coral.rb', line 2032

def _nt_SCHAR
  start_index = index
  if node_cache[:SCHAR].has_key?(index)
    cached = node_cache[:SCHAR][index]
    if cached
      node_cache[:SCHAR][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  if has_terminal?(@regexps[gr = '\A[\\ -!]'] ||= Regexp.new(gr), :regexp, index)
    r1 = true
    @index += 1
  else
    terminal_parse_failure('[\\ -!]')
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    if has_terminal?(@regexps[gr = '\A[\\#-\\[]'] ||= Regexp.new(gr), :regexp, index)
      r2 = true
      @index += 1
    else
      terminal_parse_failure('[\\#-\\[]')
      r2 = nil
    end
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      if has_terminal?(@regexps[gr = '\A[\\]-~]'] ||= Regexp.new(gr), :regexp, index)
        r3 = true
        @index += 1
      else
        terminal_parse_failure('[\\]-~]')
        r3 = nil
      end
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        if has_terminal?(@regexps[gr = '\A[€-􏿽]'] ||= Regexp.new(gr), :regexp, index)
          r4 = true
          @index += 1
        else
          terminal_parse_failure('[€-􏿽]')
          r4 = nil
        end
        if r4
          r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
          r0 = r4
        else
          r5 = _nt_SESC
          if r5
            r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
            r0 = r5
          else
            @index = i0
            r0 = nil
          end
        end
      end
    end
  end

  node_cache[:SCHAR][start_index] = r0

  r0
end