JezK
Edit File: terminal.rb
module Treetop module Compiler class Terminal < AtomicExpression def compile(address, builder, parent_expression = nil) super # Handle modifiers: insensitive = modifiers.text_value.include? 'i' re = modifiers.text_value.include? 'r' if re grounded_regexp = "#{('\A'+eval(string)).inspect}" cache_key = "'__#{modifiers.text_value}__'+(gr = #{grounded_regexp})" re_modifiers = "#{insensitive ? 'Regexp::IGNORECASE' : 0}" str = "@regexps[#{cache_key}] ||= Regexp.new(gr, #{re_modifiers})" mode = ':regexp' elsif insensitive str = string.downcase string_length = eval(str).length mode = ':insens' else str = string string_length = eval(str).length mode = 'false' end builder.if__ "(match_len = has_terminal?(#{str}, #{mode}, index))" do if address == 0 || decorated? || mode != 'false' || string_length > 1 assign_result "instantiate_node(#{node_class_name},input, index...(index + match_len))" # debugger if parent_expression and parent_expression.inline_modules.size > 0 # extend_result_with_inline_module parent_expression if parent_expression parent_expression.inline_modules.each do |inline| extend_result inline.module_name end end else assign_lazily_instantiated_node end builder << "@index += match_len" end builder.else_ do builder << "terminal_parse_failure(#{expected})" assign_result 'nil' end end def expected single_quote(string) end def inline_module nil end end end end