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#!/usr/bin/ruby -sp
# $ ruby -i tool/intern_ids.rb -prefix=_ foo.c
BEGIN {
$prefix ||= nil
defs = File.join(File.dirname(__dir__), "defs/id.def")
ids = eval(File.read(defs), binding, defs)
table = {}
ids[:predefined].each {|v, t| table[t] = "id#{v}"}
ids[:token_op].each {|v, t, *| table[t] = "id#{v}"}
predefined = table.keys
}
$_.gsub!(/rb_intern\("([^\"]+)"\)/) do
token = $1
table[token] ||= "id" + id2varname(token, $prefix)
end
END {
predefined.each {|t| table.delete(t)}
unless table.empty?
table = table.sort_by {|t, v| v}
# Append at the last, then edit and move appropriately.
puts
puts "==== defs"
table.each {|t, v| puts "static ID #{v};"}
puts ">>>>"
puts
puts "==== init"
table.each {|t, v|puts "#{v} = rb_intern_const(\"#{t}\");"}
puts ">>>>"
end
}
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