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/workspace.rb | 114 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 jni/ruby/lib/irb/workspace.rb

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

diff --git a/jni/ruby/lib/irb/workspace.rb b/jni/ruby/lib/irb/workspace.rb
new file mode 100644
index 0000000..b7eb810
--- /dev/null
+++ b/jni/ruby/lib/irb/workspace.rb
@@ -0,0 +1,114 @@
+#
+#   irb/workspace-binding.rb -
+#   	$Release Version: 0.9.6$
+#   	$Revision: 47112 $
+#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
+#
+# --
+#
+#
+#
+module IRB # :nodoc:
+  class WorkSpace
+    # Creates a new workspace.
+    #
+    # set self to main if specified, otherwise
+    # inherit main from TOPLEVEL_BINDING.
+    def initialize(*main)
+      if main[0].kind_of?(Binding)
+        @binding = main.shift
+      elsif IRB.conf[:SINGLE_IRB]
+        @binding = TOPLEVEL_BINDING
+      else
+        case IRB.conf[:CONTEXT_MODE]
+        when 0	# binding in proc on TOPLEVEL_BINDING
+          @binding = eval("proc{binding}.call",
+                          TOPLEVEL_BINDING,
+                          __FILE__,
+                          __LINE__)
+        when 1	# binding in loaded file
+          require "tempfile"
+          f = Tempfile.open("irb-binding")
+          f.print <<EOF
+      $binding = binding
+EOF
+          f.close
+          load f.path
+          @binding = $binding
+
+        when 2	# binding in loaded file(thread use)
+          unless defined? BINDING_QUEUE
+            require "thread"
+
+            IRB.const_set(:BINDING_QUEUE, SizedQueue.new(1))
+            Thread.abort_on_exception = true
+            Thread.start do
+              eval "require \"irb/ws-for-case-2\"", TOPLEVEL_BINDING, __FILE__, __LINE__
+            end
+            Thread.pass
+          end
+          @binding = BINDING_QUEUE.pop
+
+        when 3	# binding in function on TOPLEVEL_BINDING(default)
+          @binding = eval("def irb_binding; private; binding; end; irb_binding",
+                          TOPLEVEL_BINDING,
+                          __FILE__,
+                          __LINE__ - 3)
+        end
+      end
+      if main.empty?
+        @main = eval("self", @binding)
+      else
+        @main = main[0]
+        IRB.conf[:__MAIN__] = @main
+        case @main
+        when Module
+          @binding = eval("IRB.conf[:__MAIN__].module_eval('binding', __FILE__, __LINE__)", @binding, __FILE__, __LINE__)
+        else
+          begin
+            @binding = eval("IRB.conf[:__MAIN__].instance_eval('binding', __FILE__, __LINE__)", @binding, __FILE__, __LINE__)
+          rescue TypeError
+            IRB.fail CantChangeBinding, @main.inspect
+          end
+        end
+      end
+      eval("_=nil", @binding)
+    end
+
+    # The Binding of this workspace
+    attr_reader :binding
+    # The top-level workspace of this context, also available as
+    # <code>IRB.conf[:__MAIN__]</code>
+    attr_reader :main
+
+    # Evaluate the given +statements+ within the  context of this workspace.
+    def evaluate(context, statements, file = __FILE__, line = __LINE__)
+      eval(statements, @binding, file, line)
+    end
+
+    # error message manipulator
+    def filter_backtrace(bt)
+      case IRB.conf[:CONTEXT_MODE]
+      when 0
+        return nil if bt =~ /\(irb_local_binding\)/
+      when 1
+        if(bt =~ %r!/tmp/irb-binding! or
+            bt =~ %r!irb/.*\.rb! or
+            bt =~ /irb\.rb/)
+          return nil
+        end
+      when 2
+        return nil if bt =~ /irb\/.*\.rb/
+        return nil if bt =~ /irb\.rb/
+      when 3
+        return nil if bt =~ /irb\/.*\.rb/
+        return nil if bt =~ /irb\.rb/
+        bt = bt.sub(/:\s*in `irb_binding'/, '')
+      end
+      bt
+    end
+
+    def IRB.delete_caller
+    end
+  end
+end
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