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-rw-r--r--lib/reline/line_editor.rb4
-rw-r--r--test/reline/yamatanooroti/test_rendering.rb12
2 files changed, 15 insertions, 1 deletions
diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index 13286683a3..868e31aca8 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -50,6 +50,8 @@ class Reline::LineEditor
CompletionJourneyData = Struct.new('CompletionJourneyData', :preposing, :postposing, :list, :pointer)
MenuInfo = Struct.new('MenuInfo', :target, :list)
+ PROMPT_LIST_CACHE_TIMEOUT = 0.5
+
def initialize(config, encoding)
@config = config
@completion_append_character = ''
@@ -78,7 +80,7 @@ class Reline::LineEditor
end
return [prompt, calculate_width(prompt, true), [prompt] * buffer.size] if simplified_rendering?
if @prompt_proc
- if @cached_prompt_list and Time.now.to_f < (@prompt_cache_time + 0.5)
+ if @cached_prompt_list and Time.now.to_f < (@prompt_cache_time + PROMPT_LIST_CACHE_TIMEOUT) and buffer.size == @cached_prompt_list.size
prompt_list = @cached_prompt_list
else
prompt_list = @cached_prompt_list = @prompt_proc.(buffer)
diff --git a/test/reline/yamatanooroti/test_rendering.rb b/test/reline/yamatanooroti/test_rendering.rb
index dea3e7ff47..a2af80768d 100644
--- a/test/reline/yamatanooroti/test_rendering.rb
+++ b/test/reline/yamatanooroti/test_rendering.rb
@@ -398,6 +398,18 @@ begin
EOC
end
+ def test_prompt_list_caching
+ start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/bin/multiline_repl --prompt-list-cache-timeout 10 --dynamic-prompt}, startup_message: 'Multiline REPL.')
+ write("def hoge\n 3\nend")
+ close
+ assert_screen(<<~EOC)
+ Multiline REPL.
+ [0000]> def hoge
+ [0001]> 3
+ [0002]> end
+ EOC
+ end
+
private def write_inputrc(content)
File.open(@inputrc_file, 'w') do |f|
f.write content