From 04d06d238d52c5312837fb9e164607270d7de010 Mon Sep 17 00:00:00 2001
From: Mike Blumtritt <mike.blumtritt@pm.me>
Date: Mon, 13 May 2024 19:39:38 +0200
Subject: [PATCH 1/2] First draft of time method

---
 lib/im-lost.rb | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/lib/im-lost.rb b/lib/im-lost.rb
index 0db728e..266c092 100644
--- a/lib/im-lost.rb
+++ b/lib/im-lost.rb
@@ -153,6 +153,29 @@ def here(test = true)
       test
     end
 
+    #
+    # Print runtime of a given block.
+    #
+    # @param title [#to_s] optional title for output
+    # @yield
+    # @yieldreturn [Object] return result
+    #
+    def time(title = nil)
+      raise(ArgumentError, 'no block given') unless block_given?
+      @output.puts(
+        if title
+          "T #{title}:"
+        else
+          loc = Kernel.caller_locations(1, 1)[0]
+          "T #{loc.path}:#{loc.lineno}"
+        end
+      )
+      tm = now
+      ret = yield
+      @output.puts("  #{now - tm} sec.")
+      ret
+    end
+
     #
     # Trace objects.
     #
@@ -257,7 +280,7 @@ def vars(object)
       @trace[traced] = traced if traced
     end
 
-    protected
+    private
 
     def as_sig(prefix, info, args)
       args = args.join(', ')
@@ -269,7 +292,11 @@ def as_sig(prefix, info, args)
       end
     end
 
-    private
+    if defined?(Process::CLOCK_MONOTONIC)
+      def now = Process.clock_gettime(Process::CLOCK_MONOTONIC)
+    else
+      def now = ::Time.now
+    end
 
     def _trace(arg)
       id = arg.__id__

From 2f23e082b8f9a328e57e1d9b2cae2d0c1de3ec23 Mon Sep 17 00:00:00 2001
From: Mike Blumtritt <mike.blumtritt@pm.me>
Date: Tue, 28 May 2024 09:03:53 +0200
Subject: [PATCH 2/2] Tidy-up

---
 README.md                |  2 ++
 lib/im-lost.rb           | 22 ++++++++++++----------
 spec/lib/im-lost_spec.rb |  8 ++++----
 3 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/README.md b/README.md
index b03b051..c071a3f 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ File.open('test.txt', 'w') do |file|
     file.puts(:world!)
   end
 end
+
 # output will look like
 #  > IO#<<(?)
 #    /projects/test.rb:1
@@ -38,6 +39,7 @@ ImLost.trace_exceptions do
 rescue SystemCallError
   raise('something went wrong!')
 end
+
 # output will look like
 #  x Errno::EEXIST: File exists @ rb_sysopen - /
 #    /projects/test.rb:2
diff --git a/lib/im-lost.rb b/lib/im-lost.rb
index 0db728e..3ec02f4 100644
--- a/lib/im-lost.rb
+++ b/lib/im-lost.rb
@@ -79,6 +79,7 @@ def trace_calls=(value)
     #   rescue SystemCallError
     #     raise('something went wrong!')
     #   end
+    #
     #   # output will look like
     #   #   x Errno::EEXIST: File exists @ rb_sysopen - /
     #   #   /projects/test.rb:2
@@ -170,15 +171,16 @@ def here(test = true)
     #       file.puts(:world!)
     #     end
     #   end
-    #   output will look like
-    #     > IO#<<(?)
-    #       /projects/test.rb:1
-    #     > IO#write(*)
-    #       /projects/test.rb:1
-    #     > IO#puts(*)
-    #       /projects/test.rb:2
-    #     > IO#write(*)
-    #       /projects/test.rb:2
+    #
+    #   # output will look like
+    #   #   > IO#<<(?)
+    #   #     /projects/test.rb:1
+    #   #   > IO#write(*)
+    #   #     /projects/test.rb:1
+    #   #   > IO#puts(*)
+    #   #     /projects/test.rb:2
+    #   #   > IO#write(*)
+    #   #     /projects/test.rb:2
     #
     # @overload trace(*args)
     #   @param args [[Object]] one or more objects to be traced
@@ -392,7 +394,7 @@ def _local_vars(binding)
     end
   ]
 
-  supported = RUBY_VERSION >= '3.3.0' ? %i[raise rescue] : %i[raise]
+  supported = RUBY_VERSION.to_f >= 3.3 ? %i[raise rescue] : %i[raise]
   @trace_exceptions =
     TracePoint.new(*supported) do |tp|
       ex = tp.raised_exception.inspect
diff --git a/spec/lib/im-lost_spec.rb b/spec/lib/im-lost_spec.rb
index 26ae900..938a90c 100644
--- a/spec/lib/im-lost_spec.rb
+++ b/spec/lib/im-lost_spec.rb
@@ -99,7 +99,7 @@ def bar = :bar
       expect(output).to eq "> TestSample#insp(**{})\n"
     end
 
-    if RUBY_VERSION < '3.1.0'
+    if RUBY_VERSION.to_f < 3.1
       it 'handles argument forwarding' do
         sample.fwd(40, 2)
 
@@ -206,7 +206,7 @@ def bar = :bar
       expect(output).to eq "< TestSample#insp(**{})\n  = \"{}\"\n"
     end
 
-    if RUBY_VERSION < '3.1.0'
+    if RUBY_VERSION.to_f < 3.1
       it 'handles argument forwarding' do
         sample.fwd(40, 2)
 
@@ -240,7 +240,7 @@ def bar = :bar
     end
   end
 
-  if RUBY_VERSION >= '3.3.0'
+  if RUBY_VERSION.to_f > 3.3
     context '.trace_exceptions' do
       it 'traces exceptions and rescue blocks' do
         ImLost.trace_exceptions do
@@ -299,7 +299,7 @@ def bar = :bar
     end
   end
 
-  if RUBY_VERSION < '3.3.0'
+  if RUBY_VERSION.to_f < 3.3
     context '.trace_exceptions' do
       it 'traces exceptions and rescue blocks' do
         ImLost.trace_exceptions do