# begin: ragel
begin¶ ↑
%%{
machine bel; include 'common.rl'; action blank_line_yield { yield blank_line } blank = SP*; bl_ast := blank NL? @blank_line_yield;
}%%
end¶ ↑
# end: ragel
require_relative '../ast/node' require_relative '../mixin/buffer' require_relative '../nonblocking_io_wrapper'
module BELParser
module Parsers module Common module BlankLine class << self MAX_LENGTH = 1024 * 128 # 128K def parse(content) return nil unless content Parser.new(content).each do |obj| yield obj end end end private class Parser include Enumerable include BELParser::Parsers::Buffer include BELParser::Parsers::AST::Sexp def initialize(content) @content = content # begin: ragel %% write data; # end: ragel end def each @buffers = {} @incomplete = {} data = @content.unpack('C*') p = 0 pe = data.length # begin: ragel %% write init; %% write exec; # end: ragel end end end end end
end
if __FILE__ == $0
$stdin.each_line do |line| BELParser::Parsers::Common::BlankLine.parse(line) { |obj| puts obj.inspect } end
end
# vim: ft=ruby ts=2 sw=2: # encoding: utf-8