From: "H.Yamamoto" <ocean@...2.ccsnet.ne.jp>
Date: 2006-02-27T17:04:17+09:00
Subject: Re: rdoc bug

Hello.

It seems that rdoc should not treat \ as escape character
inside regurar expression and single quoted string.

Does this work?

# I haven't read all rdoc parser's code, so this is just hack.
# I'll test this on `make install-doc` later.

Index: parse_rb.rb
===================================================================
RCS file: /src/ruby/lib/rdoc/parsers/parse_rb.rb,v
retrieving revision 1.41
diff -u -w -b -p -r1.41 parse_rb.rb
--- parse_rb.rb	18 Feb 2006 15:35:32 -0000	1.41
+++ parse_rb.rb	27 Feb 2006 07:53:07 -0000
@@ -560,7 +560,7 @@ class RubyLex
     "q" => "\'",
     "Q" => "\"",
     "x" => "\`",
-    "r" => "\/",
+    "r" => "/",
     "w" => "]"
   }
   
@@ -575,7 +575,7 @@ class RubyLex
     "\'" => TkSTRING,
     "\"" => TkSTRING,
     "\`" => TkXSTRING,
-    "\/" => TkREGEXP,
+    "/" => TkREGEXP,
     "]" => TkDSTRING
   }
   Ltype2Token.default = TkSTRING
@@ -583,7 +583,7 @@ class RubyLex
   DLtype2Token = {
     "\"" => TkDSTRING,
     "\`" => TkDXSTRING,
-    "\/" => TkDREGEXP,
+    "/" => TkDREGEXP,
   }
 
   def lex_init()
@@ -1230,7 +1230,7 @@ class RubyLex
           else
             ungetc(ch)
           end
-	elsif ch == '\\' #'
+	elsif @ltype != "'"  && @ltype != "/" and ch == '\\' #'
 	  str << read_escape
 	end
       end


///////////////////////////////////////////

class A
    def foo
    end

    def bar
    end
end

class B
    def baz
        # Probably this is fixed
        # /\^/
        # Probably this is fixed
        # %r{\^}
        # Is this valid string?
        # "\^"
        # Probably this is fixed
        # '\^'
    end

    def foz
    end
end

class C
    def boo
    end

    def far
    end
end