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# $Id$
def main
template, ids1, ids2 = *ARGV
File.foreach(template) do |line|
case line
when /\A\#include ids1/
print_items read_ids(ids1)
when /\A\#include ids2/
print_items read_ids(ids2)
when /\A\#include handlers1/
File.foreach(ids1) do |line|
id, arity = line.split
arity = arity.to_i
puts
puts " def on__#{id}(#{argdecl(arity)})"
puts " #{arity == 0 ? 'nil' : 'a'}"
puts " end"
end
when /\A\#include handlers2/
File.foreach(ids2) do |line|
id, arity = line.split
arity = arity.to_i
puts
puts " def on__#{id}(token)"
puts " token"
puts " end"
end
when /\A\#include (.*)/
raise "unknown operation: #include #{$1}"
else
print line
end
end
end
def print_items(ids)
comma = "\n"
ids.each do |id|
print comma; comma = ",\n"
print " #{id.intern.inspect}"
end
puts
end
def read_ids(path)
File.readlines(path).map {|line| line.split[0] }
end
def argdecl(n)
%w(a b c d e f g h i j k l m)[0, n].join(', ')
end
main
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