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-rw-r--r--lib/drb/invokemethod.rb39
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/drb/invokemethod.rb b/lib/drb/invokemethod.rb
new file mode 100644
index 00000000000..f8ce0ad09b1
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+++ b/lib/drb/invokemethod.rb
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+
+# for ruby-1.8.0
+
+module DRb
+ class DRbServer
+ module InvokeMethod18Mixin
+ def block_yield(x)
+ block_value = @block.call(*x)
+ end
+
+ def rescue_break(err)
+ return :break, err.exit_value
+ end
+
+ def perform_with_block
+ @obj.__send__(@msg_id, *@argv) do |*x|
+ jump_error = nil
+ begin
+ block_value = block_yield(x)
+ rescue LocalJumpError
+ jump_error = $!
+ end
+ if jump_error
+ reason, jump_value = rescue_local_jump(jump_error)
+ case reason
+ when :retry
+ retry
+ when :break
+ break(jump_value)
+ else
+ raise jump_error
+ end
+ end
+ block_value
+ end
+ end
+ end
+ end
+end