Backport lib/reline, and lib/irb for 3.0.1 3rd (#4228)

* [ruby/irb] Suppress error when File::ALT_SEPARATOR is nil

https://github.com/ruby/irb/commit/96accf3b95

* [ruby/irb] Suppress colorize on Windows tests

https://github.com/ruby/irb/commit/5be9354cf9

* [ruby/irb] The command "irb_info" should show RUBY_PLATFORM

https://github.com/ruby/irb/commit/39d1cd874f

* [ruby/irb] Fix inverse separator condition

https://github.com/ruby/irb/commit/33f933196f

* [ruby/reline] Return 1 when char width not found

This fixes ruby/reline#261.

https://github.com/ruby/reline/commit/3cf1213014

* [ruby/reline] Avoid tripping over nil prompt

https://github.com/ruby/reline/commit/d4d9d3e3d4

* [ruby/reline] Move script files for yamatanooroti tests

https://github.com/ruby/reline/commit/03031b885d

* [ruby/reline] Add a test for suppressing crash when dynamic prompt returns empty

ref. https://github.com/ruby/reline/pull/262

https://github.com/ruby/reline/commit/b98bc3c329

* [ruby/reline] We still need support new and legacy behavior.
Revert "Support for change in Windows-specific behavior at eol"

This reverts commit cad4de6ee841b43f3f0e441626f9415c3eda0f82.

https://github.com/ruby/reline/commit/646587fc2c

* [ruby/reline] check ENABLE_VIRTUAL_TERMINAL_PROCESSING flag and switch eof processing

https://github.com/ruby/reline/commit/3535676689

* [ruby/reline] Use UTF-8 only for width calc, rest uses original encoding

I confirmed that libvterm supports only which are UTF-8, US ASCII, UK, and
DEC graphics by reading source code, so can't test this patch by
yamatanoorogi gem through vterm gem for now.

This fixes ruby/irb#190.

https://github.com/ruby/reline/commit/44596c0cc7

* [ruby/reline] fix Reline::Windows.getconsolemode buffer

use double quotes to properly convert the \000 escape sequence.

https://github.com/ruby/reline/commit/236dfe5683

* [ruby/irb] Version 1.3.4

https://github.com/ruby/irb/commit/ab9852ccc5

* [ruby/reline] Version 0.2.4

https://github.com/ruby/reline/commit/462f971bd3

Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
Co-authored-by: Eamonn Webster <eamonn.webster@gmail.com>
Co-authored-by: Yoshinao Muramatu <ysno@ac.auone-net.jp>
Co-authored-by: cremno <cremno@mail.ru>

1 files changed, 24 insertions, 0 deletions

diff --git a/lib/reline/windows.rb b/lib/reline/windows.rb
index 4f5fcb74bc..6edc68e780 100644
--- a/lib/reline/windows.rb
+++ b/lib/reline/windows.rb
@@ -9,6 +9,10 @@ class Reline::Windows
     true
   end
 
+  def self.win_legacy_console?
+    @@legacy_console
+  end
+
   RAW_KEYSTROKE_CONFIG = {
     [224, 72] => :ed_prev_history, # ↑
     [224, 80] => :ed_next_history, # ↓
@@ -94,6 +98,26 @@ class Reline::Windows
   @@GetFileInformationByHandleEx = Win32API.new('kernel32', 'GetFileInformationByHandleEx', ['L', 'I', 'P', 'L'], 'I')
   @@FillConsoleOutputAttribute = Win32API.new('kernel32', 'FillConsoleOutputAttribute', ['L', 'L', 'L', 'L', 'P'], 'L')
 
+  @@GetConsoleMode = Win32API.new('kernel32', 'GetConsoleMode', ['L', 'P'], 'L')
+  @@SetConsoleMode = Win32API.new('kernel32', 'SetConsoleMode', ['L', 'L'], 'L')
+  ENABLE_VIRTUAL_TERMINAL_PROCESSING = 4
+
+  private_class_method def self.getconsolemode
+    mode = "\000\000\000\000"
+    @@GetConsoleMode.call(@@hConsoleHandle, mode)
+    mode.unpack1('L')
+  end
+
+  private_class_method def self.setconsolemode(mode)
+    @@SetConsoleMode.call(@@hConsoleHandle, mode)
+  end
+
+  @@legacy_console = (getconsolemode() & ENABLE_VIRTUAL_TERMINAL_PROCESSING == 0)
+  #if @@legacy_console
+  #  setconsolemode(getconsolemode() | ENABLE_VIRTUAL_TERMINAL_PROCESSING)
+  #  @@legacy_console = (getconsolemode() & ENABLE_VIRTUAL_TERMINAL_PROCESSING == 0)
+  #end
+
   @@input_buf = []
   @@output_buf = []