Remove obsoleted tool/mjit_tabs.rb

3 files changed, 0 insertions, 72 deletions

diff --git a/configure.ac b/configure.ac
index 42b96abbad..813fa9bb3d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2925,10 +2925,6 @@ AS_CASE(["$target_os"],
     ])])
 LIBEXT=a
 
-AC_ARG_WITH(mjit-tabs,
-    AS_HELP_STRING([--without-mjit-tabs], [expand tabs in mjit header]),
-    [AS_IF([test $withval = no], [MJIT_TABS=false])])
-AC_SUBST(MJIT_TABS)dnl
 AC_SUBST(DLDFLAGS)dnl
 AC_SUBST(ARCH_FLAG)dnl
 AC_SUBST(MJIT_CC)dnl
diff --git a/template/Makefile.in b/template/Makefile.in
index c912262140..3068992e6d 100644
--- a/template/Makefile.in
+++ b/template/Makefile.in
@@ -102,7 +102,6 @@ MJIT_OPTFLAGS = @MJIT_OPTFLAGS@
 MJIT_DEBUGFLAGS = @MJIT_DEBUGFLAGS@
 MJIT_LDSHARED = @MJIT_LDSHARED@
 MJIT_DLDFLAGS = $(XDLDFLAGS)
-MJIT_TABS=@MJIT_TABS@
 YJIT_SUPPORT=@YJIT_SUPPORT@
 YJIT_LIBS=@YJIT_LIBS@
 YJIT_OBJ=@YJIT_OBJ@
diff --git a/tool/mjit_tabs.rb b/tool/mjit_tabs.rb
deleted file mode 100644
index edcbf6cfcb..0000000000
--- a/tool/mjit_tabs.rb
+++ /dev/null
@@ -1,67 +0,0 @@
-# frozen_string_literal: true
-# This is a script to run a command in ARGV, expanding tabs in some files
-# included by vm.c to normalize indentation of MJIT header. You can enable
-# this feature by passing `--without-mjit-tabs` in configure.
-#
-# Note that preprocessor of GCC converts a hard tab to one spaces, where
-# we expect it to be shown as 8 spaces. To obviate this script, we need
-# to convert all tabs to spaces in these files.
-
-require 'fileutils'
-
-EXPAND_TARGETS = %w[
-  vm*.*
-  include/ruby/ruby.h
-]
-
-# These files have no hard tab indentations. Skip normalizing these files from the glob result.
-SKIPPED_FILES = %w[
-  vm_callinfo.h
-  vm_debug.h
-  vm_exec.h
-  vm_opts.h
-  vm_sync.h
-  vm_sync.c
-]
-
-srcdir = File.expand_path('..', __dir__)
-targets = EXPAND_TARGETS.flat_map { |t| Dir.glob(File.join(srcdir, t)) } - SKIPPED_FILES.map { |f| File.join(srcdir, f) }
-sources = {}
-mtimes = {}
-
-mjit_tabs, *command = ARGV
-
-targets.each do |target|
-  next if mjit_tabs != 'false'
-  unless File.writable?(target)
-    puts "tool/mjit_tabs.rb: Skipping #{target.dump} as it's not writable."
-    next
-  end
-  source = File.read(target)
-  begin
-    expanded = source.gsub(/^\t+/) { |tab| ' ' * 8 * tab.length }
-  rescue ArgumentError # invalid byte sequence in UTF-8 (Travis, RubyCI)
-    puts "tool/mjit_tabs.rb: Skipping #{target.dump} as the encoding is #{source.encoding}."
-    next
-  end
-
-  sources[target] = source
-  mtimes[target] = File.mtime(target)
-
-  if sources[target] == expanded
-    puts "#{target.dump} has no hard tab indentation. This should be ignored in tool/mjit_tabs.rb."
-  end
-  File.write(target, expanded)
-  FileUtils.touch(target, mtime: mtimes[target])
-end
-
-result = system(*command)
-
-targets.each do |target|
-  if sources.key?(target)
-    File.write(target, sources[target])
-    FileUtils.touch(target, mtime: mtimes.fetch(target))
-  end
-end
-
-exit result