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78b9d778de
* tool/gen_dummy_probes.rb: remove include and conditional directives from probes.dmyh which are removed by preprocessing. * common.mk: remove unnecessary dependencies on vm_opts.h via probes.dmyh. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
32 lines
904 B
Ruby
Executable file
32 lines
904 B
Ruby
Executable file
#!/usr/bin/ruby
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# -*- coding: us-ascii -*-
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# Used to create dummy probes (as for systemtap and DTrace) by Makefiles.
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# See common.mk.
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text = ARGF.read
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# remove comments
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text.gsub!(%r'(?:^ *)?/\*.*?\*/\n?'m, '')
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# remove the pragma declarations and ifdefs
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text.gsub!(/^#(?:pragma|include|if|endif).*\n/, '')
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# replace the provider section with the start of the header file
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text.gsub!(/provider ruby \{/, "#ifndef\t_PROBES_H\n#define\t_PROBES_H\n#define DTRACE_PROBES_DISABLED 1\n")
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# finish up the #ifndef sandwich
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text.gsub!(/\};/, "\n#endif\t/* _PROBES_H */")
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# expand probes to DTRACE macros
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text.gsub!(/^ *probe ([^\(]*)\(([^\)]*)\);/) {
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name, args = $1, $2
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name.upcase!
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name.gsub!(/__/, '_')
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args.gsub!(/(\A|, *)[^,]*\b(?=\w+(?=,|\z))/, '\1')
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"#define RUBY_DTRACE_#{name}_ENABLED() 0\n" \
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"#define RUBY_DTRACE_#{name}(#{args}) do {} while (0)"
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}
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puts "/* -*- c -*- */"
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print text
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