Sha256: 1d800af47949835e7024b7255dc82bdb510290c28e079a88755b705585788419
Contents?: true
Size: 971 Bytes
Versions: 12
Compression:
Stored size: 971 Bytes
Contents
#
# bitclust/parseutils.rb
#
# Copyright (c) 2006-2007 Minero Aoki
#
# This program is free software.
# You can distribute/modify this program under the Ruby License.
#
require 'bitclust/exception'
class String # reopen
attr_accessor :location
end
module BitClust
class LineStream
def initialize(f)
@f = f
end
def gets
line = @f.gets
return nil unless line
if @f.respond_to?(:path)
path = @f.path
else
path = nil
end
line.location = Location.new(path, @f.lineno)
line
end
end
class Location
def initialize(file, line)
@file = file
@line = line
end
attr_reader :file
attr_reader :line
def to_s
"#{@file}:#{@line}"
end
def inspect
"\#<#{self.class} #{@file}:#{@line}>"
end
end
module ParseUtils
def parse_error(msg, line)
raise ParseError, "#{line.location}: #{msg}: #{line.inspect}"
end
end
end
Version data entries
12 entries across 8 versions & 1 rubygems