Add profile script

Author: kddnewton

.gitignore

@@ -1 +1,2 @@
 test.rb
+profile.json

Gemfile

@@ -5,3 +5,5 @@ source "https://rubygems.org"
 gemspec
 
 gem "prism"
+gem "vernier"
+gem "profile-viewer"

Gemfile.lock

@@ -8,16 +8,24 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
+    optparse (0.5.0)
     prettier_print (1.2.1)
     prism (0.30.0)
+    profile-viewer (0.0.2)
+      optparse
+      webrick
+    vernier (1.0.1)
+    webrick (1.8.1)
 
 PLATFORMS
   arm64-darwin-22
   arm64-darwin-23
 
 DEPENDENCIES
   prism
+  profile-viewer
   syntax_tree-prism!
+  vernier
 
 BUNDLED WITH
    2.4.13

bin/bench

@@ -7,7 +7,8 @@ require "benchmark"
 $:.unshift(File.expand_path("../lib", __dir__))
 require "syntax_tree/prism"
 
-filepaths = Dir[File.expand_path("../../ruby/prism/test/prism/fixtures/**/*.txt")]
+filepaths = Dir[File.expand_path("../../rails/rails/activerecord/**/*.rb")]
+puts "Formatting #{filepaths.length} files"
 
 Benchmark.bmbm do |x|
   x.report("format") do

bin/profile

@@ -0,0 +1,13 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require "bundler/setup"
+require "vernier"
+
+$:.unshift(File.expand_path("../lib", __dir__))
+require "syntax_tree/prism"
+
+results = Dir[File.expand_path("../../rails/rails/activerecord/**/*.rb")].map { |filepath| Prism.parse_file(filepath) }
+puts "Profiling #{results.length} files"
+
+Vernier.trace(out: "profile.json") { results.each(&:format) }