diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/reline/line_editor.rb | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb index fc7e576f26..13286683a3 100644 --- a/lib/reline/line_editor.rb +++ b/lib/reline/line_editor.rb @@ -78,7 +78,12 @@ class Reline::LineEditor end return [prompt, calculate_width(prompt, true), [prompt] * buffer.size] if simplified_rendering? if @prompt_proc - prompt_list = @prompt_proc.(buffer) + if @cached_prompt_list and Time.now.to_f < (@prompt_cache_time + 0.5) + prompt_list = @cached_prompt_list + else + prompt_list = @cached_prompt_list = @prompt_proc.(buffer) + @prompt_cache_time = Time.now.to_f + end prompt_list.map!{ prompt } if @vi_arg or @searching_prompt if @config.show_mode_in_prompt if @config.editing_mode_is?(:vi_command) @@ -191,6 +196,8 @@ class Reline::LineEditor @first_char = true @add_newline_to_end_of_buffer = false @just_cursor_moving = false + @cached_prompt_list = nil + @prompt_cache_time = nil @eof = false @continuous_insertion_buffer = String.new(encoding: @encoding) reset_line |