Here document <<~ is Ruby 2.3 feature

baseruby should support wider ruby versions

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61741 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 50 insertions, 50 deletions

diff --git a/tool/ruby_vm/scripts/insns2vm.rb b/tool/ruby_vm/scripts/insns2vm.rb
index b1c604b570..8acbe94104 100644
--- a/tool/ruby_vm/scripts/insns2vm.rb
+++ b/tool/ruby_vm/scripts/insns2vm.rb
@@ -22,67 +22,67 @@ end
 
 def generate_parser
   OptionParser.new do |this|
-    this.on "-I", "--srcdir=DIR", <<~'end'
-      Historically this option has been passed to the script.  This is
-      supposedly because at the beginnig the script was placed outside
-      of the ruby source tree.  Decades passed since the merge of
-      YARV, now I can safely assume this feature is obsolescent.  Just
-      ignore the passed value here.
-    end
+    this.on "-I", "--srcdir=DIR", <<'end'
+  Historically this option has been passed to the script.  This is
+  supposedly because at the beginnig the script was placed outside
+  of the ruby source tree.  Decades passed since the merge of
+  YARV, now I can safely assume this feature is obsolescent.  Just
+  ignore the passed value here.
+end
 
-    this.on "-L", "--vpath=SPEC", <<~'end'
-      Likewise, this option is no longer supported.
-    end
+    this.on "-L", "--vpath=SPEC", <<'end'
+  Likewise, this option is no longer supported.
+end
 
-    this.on "--path-separator=SEP", /\A(?:\W\z|\.(\W).+)/, <<~'end'
-      Old script says this option is a "separator for vpath".  I am
-      confident we no longer need this option.
-    end
+    this.on "--path-separator=SEP", /\A(?:\W\z|\.(\W).+)/, <<'end'
+  Old script says this option is a "separator for vpath".  I am
+  confident we no longer need this option.
+end
 
-    this.on "-Dname", "--enable=name[,name...]", Array, <<~'end'
-      This option used to override VM option that is defined in
-      vm_opts.h. Now it is officially unsupported because vm_opts.h to
-      remain mismatched with this option must break things.  Just edit
-      vm_opts.h directly.
-    end
+    this.on "-Dname", "--enable=name[,name...]", Array, <<'end'
+  This option used to override VM option that is defined in
+  vm_opts.h. Now it is officially unsupported because vm_opts.h to
+  remain mismatched with this option must break things.  Just edit
+  vm_opts.h directly.
+end
 
-    this.on "-Uname", "--disable=name[,name...]", Array, <<~'end'
-      This option used to override VM option that is defined in
-      vm_opts.h. Now it is officially unsupported because vm_opts.h to
-      remain mismatched with this option must break things.  Just edit
-      vm_opts.h directly.
-    end
+    this.on "-Uname", "--disable=name[,name...]", Array, <<'end'
+  This option used to override VM option that is defined in
+  vm_opts.h. Now it is officially unsupported because vm_opts.h to
+  remain mismatched with this option must break things.  Just edit
+  vm_opts.h directly.
+end
 
-    this.on "-i", "--insnsdef=FILE", "--instructions-def", <<~'end'
-      This option used to specify alternative path to insns.def.  For
-      the same reason to ignore -I, we no longer support this.
-    end
+    this.on "-i", "--insnsdef=FILE", "--instructions-def", <<'end'
+  This option used to specify alternative path to insns.def.  For
+  the same reason to ignore -I, we no longer support this.
+end
 
-    this.on "-o", "--opt-operanddef=FILE", "--opt-operand-def", <<~'end'
-      This option used to specify alternative path to opt_operand.def.
-      For the same reason to ignore -I, we no longer support this.
-    end
+    this.on "-o", "--opt-operanddef=FILE", "--opt-operand-def", <<'end'
+  This option used to specify alternative path to opt_operand.def.
+  For the same reason to ignore -I, we no longer support this.
+end
 
-    this.on "-u", "--opt-insnunifdef=FILE", "--opt-insn-unif-def", <<~'end'
-      This option used to specify alternative path to
-      opt_insn_unif.def.  For the same reason to ignore -I, we no
-      longer support this.
-    end
+    this.on "-u", "--opt-insnunifdef=FILE", "--opt-insn-unif-def", <<'end'
+  This option used to specify alternative path to
+  opt_insn_unif.def.  For the same reason to ignore -I, we no
+  longer support this.
+end
 
-    this.on "-C", "--[no-]use-const", <<~'end'
-      We use const whenever possible now so this option is ignored.
-      The author believes that C compilers can constant-fold.
-    end
+    this.on "-C", "--[no-]use-const", <<'end'
+  We use const whenever possible now so this option is ignored.
+  The author believes that C compilers can constant-fold.
+end
 
-    this.on "-d", "--destdir", "--output-directory=DIR", <<~'begin' do |dir|
-      THIS IS THE ONLY OPTION THAT WORKS today.  Change destination
-      directory from the current working directory to the given path.
-    begin
+    this.on "-d", "--destdir", "--output-directory=DIR", <<'begin' do |dir|
+  THIS IS THE ONLY OPTION THAT WORKS today.  Change destination
+  directory from the current working directory to the given path.
+begin
       Dir.chdir dir
     end
 
-    this.on "-V", "--[no-]verbose", <<~'end'
-      Please let us ignore this and be modest.
-    end
+    this.on "-V", "--[no-]verbose", <<'end'
+  Please let us ignore this and be modest.
+end
   end
 end