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author | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-16 18:49:26 +0900 |
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committer | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-30 00:39:06 +0900 |
commit | fcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch) | |
tree | 64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/tool/gen_ruby_tapset.rb |
Fresh start
Diffstat (limited to 'jni/ruby/tool/gen_ruby_tapset.rb')
-rwxr-xr-x | jni/ruby/tool/gen_ruby_tapset.rb | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/jni/ruby/tool/gen_ruby_tapset.rb b/jni/ruby/tool/gen_ruby_tapset.rb new file mode 100755 index 0000000..c34fb88 --- /dev/null +++ b/jni/ruby/tool/gen_ruby_tapset.rb @@ -0,0 +1,105 @@ +#!/usr/bin/ruby +# -*- coding: us-ascii -*- +# usage: ./ruby gen_ruby_tapset.rb --ruby-path=/path/to/ruby probes.d > output + +require "optparse" + +def set_argument (argname, nth) + # remove C style type info + argname.gsub!(/.+ (.+)/, '\1') # e.g. char *hoge -> *hoge + argname.gsub!(/^\*/, '') # e.g. *filename -> filename + + "#{argname} = $arg#{nth}" +end + +ruby_path = "/usr/local/ruby" + +opts = OptionParser.new +opts.on("--ruby-path=PATH"){|v| ruby_path = v} +opts.parse!(ARGV) + +text = ARGF.read + +# remove preprocessor directives +text.gsub!(/^#.*$/, '') + +# remove provider name +text.gsub!(/^provider ruby \{/, "") +text.gsub!(/^\};/, "") + +# probename() +text.gsub!(/probe (.+)\( *\);/) { + probe_name = $1 + probe = <<-End + probe #{probe_name} = process("ruby").provider("ruby").mark("#{probe_name}") + { + } + End +} + +# probename(arg1) +text.gsub!(/ *probe (.+)\(([^,)]+)\);/) { + probe_name = $1 + arg1 = $2 + + probe = <<-End + probe #{probe_name} = process("ruby").provider("ruby").mark("#{probe_name}") + { + #{set_argument(arg1, 1)} + } + End +} + +# probename(arg1, arg2) +text.gsub!(/ *probe (.+)\(([^,)]+),([^,)]+)\);/) { + probe_name = $1 + arg1 = $2 + arg2 = $3 + + probe = <<-End + probe #{probe_name} = process("#{ruby_path}").provider("ruby").mark("#{probe_name}") + { + #{set_argument(arg1, 1)} + #{set_argument(arg2, 2)} + } + End +} + +# probename(arg1, arg2, arg3) +text.gsub!(/ *probe (.+)\(([^,)]+),([^,)]+),([^,)]+)\);/) { + probe_name = $1 + arg1 = $2 + arg2 = $3 + arg3 = $4 + + probe = <<-End + probe #{probe_name} = process("#{ruby_path}").provider("ruby").mark("#{probe_name}") + { + #{set_argument(arg1, 1)} + #{set_argument(arg2, 2)} + #{set_argument(arg3, 3)} + } + End +} + +# probename(arg1, arg2, arg3, arg4) +text.gsub!(/ *probe (.+)\(([^,)]+),([^,)]+),([^,)]+),([^,)]+)\);/) { + probe_name = $1 + arg1 = $2 + arg2 = $3 + arg3 = $4 + arg4 = $5 + + probe = <<-End + probe #{probe_name} = process("#{ruby_path}").provider("ruby").mark("#{probe_name}") + { + #{set_argument(arg1, 1)} + #{set_argument(arg2, 2)} + #{set_argument(arg3, 3)} + #{set_argument(arg4, 4)} + } + End +} + +print text + |