* lib/pp.rb: Use frozen_string_literal: true.

* lib/prettyprint.rb: Ditto.

* lib/resolv.rb: Ditto.

* lib/tmpdir.rb: Ditto.

* test/test_pp.rb: Ditto.

* test/test_prettyprint.rb: Ditto.

* tool/transcode-tblgen.rb: Ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52042 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 7 deletions

diff --git a/tool/transcode-tblgen.rb b/tool/transcode-tblgen.rb
index 832d9a4762..569f8026d6 100644
--- a/tool/transcode-tblgen.rb
+++ b/tool/transcode-tblgen.rb
@@ -1,3 +1,5 @@
+# -*- frozen_string_literal: true -*-
+
 require 'optparse'
 require 'erb'
 require 'fileutils'
@@ -53,7 +55,7 @@ class ArrayCode
     @type = type
     @name = name
     @len = 0;
-    @content = ''
+    @content = ''.dup
   end
 
   def length
@@ -517,7 +519,7 @@ class ActionMap
     infos = infos.map {|info| generate_info(info) }
     maxlen = infos.map {|info| info.length }.max
     columns = maxlen <= 16 ? 4 : 2
-    code = ""
+    code = "".dup
     0.step(infos.length-1, columns) {|i|
       code << "    "
       is = infos[i,columns]
@@ -817,7 +819,7 @@ def transcode_compile_tree(name, from, map, valid_encoding)
 end
 
 TRANSCODERS = []
-TRANSCODE_GENERATED_TRANSCODER_CODE = ''
+TRANSCODE_GENERATED_TRANSCODER_CODE = ''.dup
 
 def transcode_tbl_only(from, to, map, valid_encoding=UnspecifiedValidEncoding)
   if VERBOSE_MODE
@@ -881,7 +883,7 @@ def transcode_generated_code
 end
 
 def transcode_register_code
-  code = ''
+  code = ''.dup
   TRANSCODERS.each {|transcoder_name|
     code << "    rb_register_transcoder(&#{transcoder_name});\n"
   }
@@ -1006,7 +1008,7 @@ if __FILE__ == $0
   this_script = File.read(__FILE__)
   this_script.force_encoding("ascii-8bit") if this_script.respond_to? :force_encoding
 
-  base_signature = "/* autogenerated. */\n"
+  base_signature = "/* autogenerated. */\n".dup
   base_signature << "/* #{make_signature(File.basename(__FILE__), this_script)} */\n"
   base_signature << "/* #{make_signature(File.basename(arg), src)} */\n"
 
@@ -1044,7 +1046,7 @@ if __FILE__ == $0
   libs2 = $".dup
 
   libs = libs2 - libs1
-  lib_sigs = ''
+  lib_sigs = ''.dup
   libs.each {|lib|
     lib = File.basename(lib)
     path = File.join($srcdir, lib)
@@ -1053,7 +1055,7 @@ if __FILE__ == $0
     end
   }
 
-  result = ''
+  result = ''.dup
   result << base_signature
   result << lib_sigs
   result << "\n"