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path: root/tool/gen_dummy_probes.rb
blob: 88ad2ca5bf266722e2b3eabd391fa4948322d319 (plain)
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#!/usr/bin/ruby

text = ARGF.read
text.upcase!

# remove the pragma declarations
text.gsub!(/^#PRAGMA.*$/, '')

# replace the provider section with the start of the header file
text.gsub!(/PROVIDER RUBY \{/, "#ifndef\t_PROBES_H\n#define\t_PROBES_H")

# finish up the #ifndef sandwich
text.gsub!(/\};/, "#endif\t/* _PROBES_H */")

text.gsub!(/__/, '_')

text.gsub!(/\([^,)]+\)/, '(arg0)')
text.gsub!(/\([^,)]+,[^,)]+\)/, '(arg0, arg1)')
text.gsub!(/\([^,)]+,[^,)]+,[^,)]+\)/, '(arg0, arg1, arg2)')
text.gsub!(/\([^,)]+,[^,)]+,[^,)]+,[^,)]+\)/, '(arg0, arg1, arg2, arg3)')
text.gsub!(/\([^,)]+,[^,)]+,[^,)]+,[^,)]+,[^,)]+\)/, '(arg0, arg1, arg2, arg3, arg4)')

text.gsub!(/ *PROBE ([^\(]*)(\([^\)]*\));/, "#define RUBY_DTRACE_\\1_ENABLED() 0\n#define RUBY_DTRACE_\\1\\2\ do \{ \} while\(0\)")
print text