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#!/usr/bin/ruby
# -*- coding: us-ascii -*-
text = ARGF.read
text.gsub!(/^(?!#)(.*)/){$1.upcase}
# remove comments
text.gsub!(%r'(?:^ *)?/\*.*?\*/\n?'m, '')
# remove the pragma declarations
text.gsub!(/^#pragma.*\n/, '')
# replace the provider section with the start of the header file
text.gsub!(/PROVIDER RUBY \{/, "#ifndef\t_PROBES_H\n#define\t_PROBES_H\n#define DTRACE_PROBES_DISABLED 1\n")
# finish up the #ifndef sandwich
text.gsub!(/\};/, "\n#endif\t/* _PROBES_H */")
text.gsub!(/__/, '_')
text.gsub!(/\((.+?)(?=\);)/) {
"(arg" << (0..$1.count(',')).to_a.join(", arg")
}
text.gsub!(/ *PROBE ([^\(]*)(\([^\)]*\));/, "#define RUBY_DTRACE_\\1_ENABLED() 0\n#define RUBY_DTRACE_\\1\\2\ do \{ \} while\(0\)")
puts "/* -*- c -*- */"
print text
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