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-rw-r--r--lib/e2mmap1_0.rb71
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diff --git a/lib/e2mmap1_0.rb b/lib/e2mmap1_0.rb
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+#
+# e2mmap.rb -
+# $Release Version: 1.0$
+# $Revision: 1.4 $
+# $Date: 1997/08/18 07:12:12 $
+# by Keiju ISHITSUKA
+#
+# --
+#
+#
+
+module Exception2MessageMapper
+ RCS_ID='-$Header: /home/keiju/var/src/var.lib/ruby/RCS/e2mmap.rb,v 1.4 1997/08/18 07:12:12 keiju Exp keiju $-'
+ E2MM = Exception2MessageMapper
+
+ def E2MM.extend_to(b)
+ c = eval("self", b)
+ c.extend(self)
+ c.bind(b)
+ end
+
+ def bind(b)
+ eval "
+ @binding = binding
+ E2MM_ErrorMSG = Hash.new
+
+ # fail(err, *rest)
+ # err: 例外
+ # rest: メッセージに渡すパラメータ
+ #
+ def fail!(*rest)
+ super
+ end
+
+ def fail(err, *rest)
+ $! = err.new(sprintf(E2MM_ErrorMSG[err], *rest))
+ super()
+ end
+
+ public :fail
+ # def_exception(c, m)
+ # c: exception
+ # m: message_form
+ # 例外cのメッセージをmとする.
+ #
+ def def_e2message(c, m)
+ E2MM_ErrorMSG[c] = m
+ end
+
+ # def_exception(c, m)
+ # c: exception_name
+ # m: message_form
+ # s: 例外スーパークラス(デフォルト: Exception)
+ # 例外名``c''をもつ例外を定義し, そのメッセージをmとする.
+ #
+ def def_exception(c, m)
+
+ c = c.id2name if c.kind_of?(Fixnum)
+ eval \"class \#{c} < Exception
+ end
+ E2MM_ErrorMSG[\#{c}] = '\#{m}'
+ \", @binding
+ end
+", b
+
+ end
+
+ E2MM.extend_to(binding)
+ def_exception("ErrNotClassOrModule", "Not Class or Module")
+end
+