Remove e2mmap dependency

10 files changed, 157 insertions, 66 deletions

diff --git a/lib/irb/ext/multi-irb.rb b/lib/irb/ext/multi-irb.rb
index 28d6fba832..74de1ecde5 100644
--- a/lib/irb/ext/multi-irb.rb
+++ b/lib/irb/ext/multi-irb.rb
@@ -9,7 +9,7 @@
 #
 #
 #
-IRB.fail CantShiftToMultiIrbMode unless defined?(Thread)
+fail CantShiftToMultiIrbMode unless defined?(Thread)
 
 module IRB
   class JobManager
@@ -67,8 +67,8 @@ module IRB
     # exception is raised.
     def switch(key)
       th, irb = search(key)
-      IRB.fail IrbAlreadyDead unless th.alive?
-      IRB.fail IrbSwitchedToCurrentThread if th == Thread.current
+      fail IrbAlreadyDead unless th.alive?
+      fail IrbSwitchedToCurrentThread if th == Thread.current
       @current_job = irb
       th.run
       Thread.stop
@@ -84,7 +84,7 @@ module IRB
     def kill(*keys)
       for key in keys
         th, _ = search(key)
-        IRB.fail IrbAlreadyDead unless th.alive?
+        fail IrbAlreadyDead unless th.alive?
         th.exit
       end
     end
@@ -114,7 +114,7 @@ module IRB
             else
               @jobs.find{|k, v| v.context.main.equal?(key)}
             end
-      IRB.fail NoSuchJob, key if job.nil?
+      fail NoSuchJob, key if job.nil?
       job
     end
 
@@ -122,7 +122,7 @@ module IRB
     def delete(key)
       case key
       when Integer
-        IRB.fail NoSuchJob, key unless @jobs[key]
+        fail NoSuchJob, key unless @jobs[key]
         @jobs[key] = nil
       else
         catch(:EXISTS) do
@@ -135,7 +135,7 @@ module IRB
               throw :EXISTS
             end
           end
-          IRB.fail NoSuchJob, key
+          fail NoSuchJob, key
         end
       end
       until assoc = @jobs.pop; end unless @jobs.empty?
diff --git a/lib/irb/frame.rb b/lib/irb/frame.rb
index 6073809249..de54a98f1b 100644
--- a/lib/irb/frame.rb
+++ b/lib/irb/frame.rb
@@ -10,13 +10,18 @@
 #
 #
 
-require "e2mmap"
-
 module IRB
   class Frame
-    extend Exception2MessageMapper
-    def_exception :FrameOverflow, "frame overflow"
-    def_exception :FrameUnderflow, "frame underflow"
+    class FrameOverflow < StandardError
+      def initialize
+        super("frame overflow")
+      end
+    end
+    class FrameUnderflow < StandardError
+      def initialize
+        super("frame underflow")
+      end
+    end
 
     # Default number of stack frames
     INIT_STACK_TIMES = 3
@@ -44,7 +49,7 @@ module IRB
     # Raises FrameUnderflow if there are no frames in the given stack range.
     def top(n = 0)
       bind = @frames[-(n + CALL_STACK_OFFSET)]
-      Fail FrameUnderflow unless bind
+      fail FrameUnderflow unless bind
       bind
     end
 
@@ -54,7 +59,7 @@ module IRB
     # Raises FrameOverflow if there are no frames in the given stack range.
     def bottom(n = 0)
       bind = @frames[n]
-      Fail FrameOverflow unless bind
+      fail FrameOverflow unless bind
       bind
     end
 
diff --git a/lib/irb/init.rb b/lib/irb/init.rb
index ebae37146f..2af872fd03 100644
--- a/lib/irb/init.rb
+++ b/lib/irb/init.rb
@@ -21,7 +21,7 @@ module IRB # :nodoc:
     IRB.load_modules
 
     unless @CONF[:PROMPT][@CONF[:PROMPT_MODE]]
-      IRB.fail(UndefinedPromptMode, @CONF[:PROMPT_MODE])
+      fail UndefinedPromptMode, @CONF[:PROMPT_MODE]
     end
   end
 
@@ -217,7 +217,7 @@ module IRB # :nodoc:
         end
         break
       when /^-/
-        IRB.fail UnrecognizedSwitch, opt
+        fail UnrecognizedSwitch, opt
       else
         @CONF[:SCRIPT] = opt
         $0 = opt
@@ -262,7 +262,7 @@ module IRB # :nodoc:
     when String
       return rc_file
     else
-      IRB.fail IllegalRCNameGenerator
+      fail IllegalRCNameGenerator
     end
   end
 
diff --git a/lib/irb/input-method.rb b/lib/irb/input-method.rb
index bde6ccdc69..6f064885bc 100644
--- a/lib/irb/input-method.rb
+++ b/lib/irb/input-method.rb
@@ -32,7 +32,7 @@ module IRB
     #
     # See IO#gets for more information.
     def gets
-      IRB.fail NotImplementedError, "gets"
+      fail NotImplementedError, "gets"
     end
     public :gets
 
diff --git a/lib/irb/lc/error.rb b/lib/irb/lc/error.rb
index 6623f82d84..798994e92c 100644
--- a/lib/irb/lc/error.rb
+++ b/lib/irb/lc/error.rb
@@ -9,24 +9,63 @@
 #
 #
 #
-require "e2mmap"
 
 # :stopdoc:
 module IRB
-
-  # exceptions
-  extend Exception2MessageMapper
-  def_exception :UnrecognizedSwitch, "Unrecognized switch: %s"
-  def_exception :NotImplementedError, "Need to define `%s'"
-  def_exception :CantReturnToNormalMode, "Can't return to normal mode."
-  def_exception :IllegalParameter, "Invalid parameter(%s)."
-  def_exception :IrbAlreadyDead, "Irb is already dead."
-  def_exception :IrbSwitchedToCurrentThread, "Switched to current thread."
-  def_exception :NoSuchJob, "No such job(%s)."
-  def_exception :CantShiftToMultiIrbMode, "Can't shift to multi irb mode."
-  def_exception :CantChangeBinding, "Can't change binding to (%s)."
-  def_exception :UndefinedPromptMode, "Undefined prompt mode(%s)."
-  def_exception :IllegalRCGenerator, 'Define illegal RC_NAME_GENERATOR.'
-
+  class UnrecognizedSwitch < StandardError
+    def initialize(val)
+      super("Unrecognized switch: #{val}")
+    end
+  end
+  class NotImplementedError < StandardError
+    def initialize(val)
+      super("Need to define `#{val}'")
+    end
+  end
+  class CantReturnToNormalMode < StandardError
+    def initialize
+      super("Can't return to normal mode.")
+    end
+  end
+  class IllegalParameter < StandardError
+    def initialize(val)
+      super("Invalid parameter(#{val}).")
+    end
+  end
+  class IrbAlreadyDead < StandardError
+    def initialize
+      super("Irb is already dead.")
+    end
+  end
+  class IrbSwitchedToCurrentThread < StandardError
+    def initialize
+      super("Switched to current thread.")
+    end
+  end
+  class NoSuchJob < StandardError
+    def initialize(val)
+      super("No such job(#{val}).")
+    end
+  end
+  class CantShiftToMultiIrbMode < StandardError
+    def initialize
+      super("Can't shift to multi irb mode.")
+    end
+  end
+  class CantChangeBinding < StandardError
+    def initialize(val)
+      super("Can't change binding to (#{val}).")
+    end
+  end
+  class UndefinedPromptMode < StandardError
+    def initialize(val)
+      super("Undefined prompt mode(#{val}).")
+    end
+  end
+  class IllegalRCGenerator < StandardError
+    def initialize
+      super("Define illegal RC_NAME_GENERATOR.")
+    end
+  end
 end
 # :startdoc:
diff --git a/lib/irb/lc/ja/error.rb b/lib/irb/lc/ja/error.rb
index 919363154c..31ebb3b5f0 100644
--- a/lib/irb/lc/ja/error.rb
+++ b/lib/irb/lc/ja/error.rb
@@ -9,23 +9,64 @@
 #
 #
 #
-require "e2mmap"
 
 # :stopdoc:
 module IRB
-  # exceptions
-  extend Exception2MessageMapper
-  def_exception :UnrecognizedSwitch, 'スイッチ(%s)が分りません'
-  def_exception :NotImplementedError, '`%s\'の定義が必要です'
-  def_exception :CantReturnToNormalMode, 'Normalモードに戻れません.'
-  def_exception :IllegalParameter, 'パラメータ(%s)が間違っています.'
-  def_exception :IrbAlreadyDead, 'Irbは既に死んでいます.'
-  def_exception :IrbSwitchedToCurrentThread, 'カレントスレッドに切り替わりました.'
-  def_exception :NoSuchJob, 'そのようなジョブ(%s)はありません.'
-  def_exception :CantShiftToMultiIrbMode, 'multi-irb modeに移れません.'
-  def_exception :CantChangeBinding, 'バインディング(%s)に変更できません.'
-  def_exception :UndefinedPromptMode, 'プロンプトモード(%s)は定義されていません.'
-  def_exception :IllegalRCNameGenerator, 'RC_NAME_GENERATORが正しく定義されていません.'
+  class UnrecognizedSwitch < StandardError
+    def initialize(val)
+      super("スイッチ(#{val})が分りません")
+    end
+  end
+  class NotImplementedError < StandardError
+    def initialize(val)
+      super("`#{val}'の定義が必要です")
+    end
+  end
+  class CantReturnToNormalMode < StandardError
+    def initialize
+      super("Normalモードに戻れません.")
+    end
+  end
+  class IllegalParameter < StandardError
+    def initialize(val)
+      super("パラメータ(#{val})が間違っています.")
+    end
+  end
+  class IrbAlreadyDead < StandardError
+    def initialize
+      super("Irbは既に死んでいます.")
+    end
+  end
+  class IrbSwitchedToCurrentThread < StandardError
+    def initialize
+      super("カレントスレッドに切り替わりました.")
+    end
+  end
+  class NoSuchJob < StandardError
+    def initialize(val)
+      super("そのようなジョブ(#{val})はありません.")
+    end
+  end
+  class CantShiftToMultiIrbMode < StandardError
+    def initialize
+      super("multi-irb modeに移れません.")
+    end
+  end
+  class CantChangeBinding < StandardError
+    def initialize(val)
+      super("バインディング(#{val})に変更できません.")
+    end
+  end
+  class UndefinedPromptMode < StandardError
+    def initialize(val)
+      super("プロンプトモード(#{val})は定義されていません.")
+    end
+  end
+  class IllegalRCGenerator < StandardError
+    def initialize
+      super("RC_NAME_GENERATORが正しく定義されていません.")
+    end
+  end
 end
 # :startdoc:
 # vim:fileencoding=utf-8
diff --git a/lib/irb/notifier.rb b/lib/irb/notifier.rb
index 5a68b0e8c8..d0e413dd68 100644
--- a/lib/irb/notifier.rb
+++ b/lib/irb/notifier.rb
@@ -10,17 +10,21 @@
 #
 #
 
-require "e2mmap"
 require_relative "output-method"
 
 module IRB
   # An output formatter used internally by the lexer.
   module Notifier
-    extend Exception2MessageMapper
-    def_exception :ErrUndefinedNotifier,
-      "undefined notifier level: %d is specified"
-    def_exception :ErrUnrecognizedLevel,
-      "unrecognized notifier level: %s is specified"
+    class ErrUndefinedNotifier < StandardError
+      def initialize(val)
+        super("undefined notifier level: #{val} is specified")
+      end
+    end
+    class ErrUnrecognizedLevel < StandardError
+      def initialize(val)
+        super("unrecognized notifier level: #{val} is specified")
+      end
+    end
 
     # Define a new Notifier output source, returning a new CompositeNotifier
     # with the given +prefix+ and +output_method+.
@@ -162,10 +166,10 @@ module IRB
           @level_notifier = value
         when Integer
           l = @notifiers[value]
-          Notifier.Raise ErrUndefinedNotifier, value unless l
+          raise ErrUndefinedNotifier, value unless l
           @level_notifier = l
         else
-          Notifier.Raise ErrUnrecognizedLevel, value unless l
+          raise ErrUnrecognizedLevel, value unless l
         end
       end
 
diff --git a/lib/irb/output-method.rb b/lib/irb/output-method.rb
index 935a127d0a..3fda708cb0 100644
--- a/lib/irb/output-method.rb
+++ b/lib/irb/output-method.rb
@@ -10,21 +10,21 @@
 #
 #
 
-require "e2mmap"
-
 module IRB
   # An abstract output class for IO in irb. This is mainly used internally by
   # IRB::Notifier. You can define your own output method to use with Irb.new,
   # or Context.new
   class OutputMethod
-    extend Exception2MessageMapper
-    def_exception :NotImplementedError, "Need to define `%s'"
-
+    class NotImplementedError < StandardError
+      def initialize(val)
+        super("Need to define `#{val}'")
+      end
+    end
 
     # Open this method to implement your own output method, raises a
     # NotImplementedError if you don't define #print in your own class.
     def print(*opts)
-      OutputMethod.Raise NotImplementedError, "print"
+      raise NotImplementedError, "print"
     end
 
     # Prints the given +opts+, with a newline delimiter.
diff --git a/lib/irb/ruby-lex.rb b/lib/irb/ruby-lex.rb
index b6db384568..ad6cb93309 100644
--- a/lib/irb/ruby-lex.rb
+++ b/lib/irb/ruby-lex.rb
@@ -10,14 +10,16 @@
 #
 #
 
-require "e2mmap"
 require "ripper"
 
 # :stopdoc:
 class RubyLex
 
-  extend Exception2MessageMapper
-  def_exception(:TerminateLineInput, "Terminate Line Input")
+  class TerminateLineInput < StandardError
+    def initialize
+      super("Terminate Line Input")
+    end
+  end
 
   def initialize
     @exp_line_no = @line_no = 1
diff --git a/lib/irb/workspace.rb b/lib/irb/workspace.rb
index 878bba9e95..794a511521 100644
--- a/lib/irb/workspace.rb
+++ b/lib/irb/workspace.rb
@@ -74,7 +74,7 @@ EOF
           begin
             @binding = eval("IRB.conf[:__MAIN__].instance_eval('binding', __FILE__, __LINE__)", @binding, __FILE__, __LINE__)
           rescue TypeError
-            IRB.fail CantChangeBinding, @main.inspect
+            fail CantChangeBinding, @main.inspect
           end
         end
       end