From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/lib/irb/ext/workspaces.rb | 66 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 jni/ruby/lib/irb/ext/workspaces.rb

(limited to 'jni/ruby/lib/irb/ext/workspaces.rb')

diff --git a/jni/ruby/lib/irb/ext/workspaces.rb b/jni/ruby/lib/irb/ext/workspaces.rb
new file mode 100644
index 0000000..a11cea3
--- /dev/null
+++ b/jni/ruby/lib/irb/ext/workspaces.rb
@@ -0,0 +1,66 @@
+#
+#   push-ws.rb -
+#   	$Release Version: 0.9.6$
+#   	$Revision: 47112 $
+#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
+#
+# --
+#
+#
+#
+
+module IRB # :nodoc:
+  class Context
+
+    # Size of the current WorkSpace stack
+    def irb_level
+      workspace_stack.size
+    end
+
+    # WorkSpaces in the current stack
+    def workspaces
+      if defined? @workspaces
+        @workspaces
+      else
+        @workspaces = []
+      end
+    end
+
+    # Creates a new workspace with the given object or binding, and appends it
+    # onto the current #workspaces stack.
+    #
+    # See IRB::Context#change_workspace and IRB::WorkSpace.new for more
+    # information.
+    def push_workspace(*_main)
+      if _main.empty?
+        if workspaces.empty?
+          print "No other workspace\n"
+          return nil
+        end
+        ws = workspaces.pop
+        workspaces.push @workspace
+        @workspace = ws
+        return workspaces
+      end
+
+      workspaces.push @workspace
+      @workspace = WorkSpace.new(@workspace.binding, _main[0])
+      if !(class<<main;ancestors;end).include?(ExtendCommandBundle)
+        main.extend ExtendCommandBundle
+      end
+    end
+
+    # Removes the last element from the current #workspaces stack and returns
+    # it, or +nil+ if the current workspace stack is empty.
+    #
+    # Also, see #push_workspace.
+    def pop_workspace
+      if workspaces.empty?
+        print "workspace stack empty\n"
+        return
+      end
+      @workspace = workspaces.pop
+    end
+  end
+end
+
-- 
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