Furnace X-Ray is a visualizer for transformations performed on Static Single Assignment form in the Furnace framework.
$ gem install furnace-xray
First, you need to enable instrumentation for the functions you want to observe. Here is a sample snippet:
mod = SSA::Module.new
fun = SSA::Function.new('my-function')
# It is important to enable instrumentation before doing anything else
# with the function. Otherwise, the collected data will be invalid.
fun.instrumentaiton = SSA::EventStream.new
mod.add fun
# Optionally, notify the instrumentation engine that you have started
# a transformation.
fun.instrumentation.transform_start "Set return type"
# Now, do whatever you want with the function.
fun.return_type = SSA.void_type
# After you have finished transforming functions, fetch the instrumentation
# data and dump it as JSON.
File.write("data.json", JSON.dump(mod.instrumentation))To view collected data, just point furnace-xray to it:
$ furnace-xray data.json
[2013-01-27 20:05:13] INFO WEBrick 1.3.1
[2013-01-27 20:05:13] INFO ruby 1.9.3 (2012-04-20) [x86_64-linux]
== Sinatra/1.3.3 has taken the stage on 4567 for development with backup from WEBrick
[2013-01-27 20:05:13] INFO WEBrick::HTTPServer#start: pid=28695 port=4567
Now, open your browser Chrome or Chromium and point it to
http://localhost:4567.
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request
MIT.
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