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gen_dummy_probes.rb: argument names

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* tool/gen_dummy_probes.rb: preserve macro argument names.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54300 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-03-27 01:18:10 +00:00
parent 4859714932
commit 4719d4ec7b
1 changed files with 9 additions and 8 deletions
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17
tool/gen_dummy_probes.rb
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@ -2,7 +2,6 @@
# -*- coding: us-ascii -*-
text = ARGF.read
text.gsub!(/^(?!#)(.*)/){$1.upcase}
# remove comments
text.gsub!(%r'(?:^ *)?/\*.*?\*/\n?'m, '')
@ -11,18 +10,20 @@ text.gsub!(%r'(?:^ *)?/\*.*?\*/\n?'m, '')
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")
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")
# expand probes to DTRACE macros
text.gsub!(/^ *probe ([^\(]*)\(([^\)]*)\);/) {
name, args = $1, $2
name.upcase!
name.gsub!(/__/, '_')
args.gsub!(/(\A|, *)[^,]*\b(?=\w+(?=,|\z))/, '\1')
"#define RUBY_DTRACE_#{name}_ENABLED() 0\n" \
"#define RUBY_DTRACE_#{name}(#{args}) do {} while (0)"
}
text.gsub!(/ *PROBE ([^\(]*)(\([^\)]*\));/, "#define RUBY_DTRACE_\\1_ENABLED() 0\n#define RUBY_DTRACE_\\1\\2\ do \{ \} while\(0\)")
puts "/* -*- c -*- */"
print text