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authorknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2001-04-30 17:38:21 +0000
committerknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2001-04-30 17:38:21 +0000
commitf8ab487e4d60a14dd7f807ab146168d9d034a6ea (patch)
treef5b4f478538ea7c4cc541fda4fe5a30274e472ed /lib/irb/workspace.rb
parente32f6a82698f7909cde817ae33626660b83456d7 (diff)
Initial revision
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1337 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/irb/workspace.rb')
-rw-r--r--lib/irb/workspace.rb106
1 files changed, 106 insertions, 0 deletions
diff --git a/lib/irb/workspace.rb b/lib/irb/workspace.rb
new file mode 100644
index 0000000000..3550a758d0
--- /dev/null
+++ b/lib/irb/workspace.rb
@@ -0,0 +1,106 @@
+#
+# irb/workspace-binding.rb -
+# $Release Version: 0.7.3$
+# $Revision$
+# $Date$
+# by Keiju ISHITSUKA(keiju@ishitsuka.com)
+#
+# --
+#
+#
+#
+module IRB
+ class WorkSpace
+ # create new workspace.
+ # (JP: $B?7$?$J(Bworkspace$B$r:n$k(B. main$B$r(Bself$B$H$9$k(B. $B>JN,$7$?$i(B,
+ # TOPLEVEL_BINDING$B$N(Bmain$B$r$=$N$^$^;H$&(B. )
+ def initialize(*main)
+ if 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 # binging in function on TOPLEVEL_BINDING(default)
+ @binding = eval("def irb_binding; 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 CanNotChangeBinding, @main.inspect
+ end
+ end
+ end
+ eval("_=nil", @binding)
+ end
+
+ attr_reader :binding
+ attr_reader :main
+
+ def evaluate(statements, file = __FILE__, line = __LINE__)
+ eval statements, @binding, file, line
+ end
+
+ # error message manupilator
+ 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/
+ when 3
+ return nil if bt =~ /irb\/.*\.rb/
+ bt.sub!(/:\s*in `irb_binding'/){""}
+ end
+ bt
+ end
+
+ def IRB.delete_caller
+ end
+ end
+end