diff options
| author | Hiroshi SHIBATA <[email protected]> | 2025-01-23 16:13:13 +0900 |
|---|---|---|
| committer | Hiroshi SHIBATA <[email protected]> | 2025-01-24 15:46:46 +0900 |
| commit | 0fdc9b9fd168f9d25d78c79a9e970be7d0967363 (patch) | |
| tree | 6a7b0bc8b9f94fdcb609689c1b644dcfa0c43d36 /lib/irb/debug.rb | |
| parent | 881924f2593e89e5ef78a73a4e14948a66ca0e08 (diff) | |
Migrate irb and reline to the bundled gems
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/12624
Diffstat (limited to 'lib/irb/debug.rb')
| -rw-r--r-- | lib/irb/debug.rb | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/lib/irb/debug.rb b/lib/irb/debug.rb deleted file mode 100644 index 59be1365bd..0000000000 --- a/lib/irb/debug.rb +++ /dev/null @@ -1,127 +0,0 @@ -# frozen_string_literal: true - -module IRB - module Debug - IRB_DIR = File.expand_path('..', __dir__) - - class << self - def insert_debug_break(pre_cmds: nil, do_cmds: nil) - options = { oneshot: true, hook_call: false } - - if pre_cmds || do_cmds - options[:command] = ['irb', pre_cmds, do_cmds] - end - if DEBUGGER__::LineBreakpoint.instance_method(:initialize).parameters.include?([:key, :skip_src]) - options[:skip_src] = true - end - - # To make debugger commands like `next` or `continue` work without asking - # the user to quit IRB after that, we need to exit IRB first and then hit - # a TracePoint on #debug_break. - file, lineno = IRB::Irb.instance_method(:debug_break).source_location - DEBUGGER__::SESSION.add_line_breakpoint(file, lineno + 1, **options) - end - - def setup(irb) - # When debug session is not started at all - unless defined?(DEBUGGER__::SESSION) - begin - require "debug/session" - rescue LoadError # debug.gem is not written in Gemfile - return false unless load_bundled_debug_gem - end - DEBUGGER__::CONFIG.set_config - configure_irb_for_debugger(irb) - - DEBUGGER__.initialize_session{ IRB::Debug::UI.new(irb) } - end - - # When debug session was previously started but not by IRB - if defined?(DEBUGGER__::SESSION) && !irb.context.with_debugger - configure_irb_for_debugger(irb) - DEBUGGER__::SESSION.reset_ui(IRB::Debug::UI.new(irb)) - end - - # Apply patches to debug gem so it skips IRB frames - unless DEBUGGER__.respond_to?(:capture_frames_without_irb) - DEBUGGER__.singleton_class.send(:alias_method, :capture_frames_without_irb, :capture_frames) - - def DEBUGGER__.capture_frames(*args) - frames = capture_frames_without_irb(*args) - frames.reject! do |frame| - frame.realpath&.start_with?(IRB_DIR) || frame.path == "<internal:prelude>" - end - frames - end - - DEBUGGER__::ThreadClient.prepend(SkipPathHelperForIRB) - end - - if !DEBUGGER__::CONFIG[:no_hint] && irb.context.io.is_a?(RelineInputMethod) - Reline.output_modifier_proc = proc do |input, complete:| - unless input.strip.empty? - cmd = input.split(/\s/, 2).first - - if !complete && DEBUGGER__.commands.key?(cmd) - input = input.sub(/\n$/, " # debug command\n") - end - end - - irb.context.colorize_input(input, complete: complete) - end - end - - true - end - - private - - def configure_irb_for_debugger(irb) - require 'irb/debug/ui' - IRB.instance_variable_set(:@debugger_irb, irb) - irb.context.with_debugger = true - irb.context.irb_name += ":rdbg" - irb.context.io.load_history if irb.context.io.class < HistorySavingAbility - end - - module SkipPathHelperForIRB - def skip_internal_path?(path) - # The latter can be removed once https://github.com/ruby/debug/issues/866 is resolved - super || path.match?(IRB_DIR) || path.match?('<internal:prelude>') - end - end - - # This is used when debug.gem is not written in Gemfile. Even if it's not - # installed by `bundle install`, debug.gem is installed by default because - # it's a bundled gem. This method tries to activate and load that. - def load_bundled_debug_gem - # Discover latest debug.gem under GEM_PATH - debug_gem = Gem.paths.path.flat_map { |path| Dir.glob("#{path}/gems/debug-*") }.select do |path| - File.basename(path).match?(/\Adebug-\d+\.\d+\.\d+(\w+)?\z/) - end.sort_by do |path| - Gem::Version.new(File.basename(path).delete_prefix('debug-')) - end.last - return false unless debug_gem - - # Discover debug/debug.so under extensions for Ruby 3.2+ - ext_name = "/debug/debug.#{RbConfig::CONFIG['DLEXT']}" - ext_path = Gem.paths.path.flat_map do |path| - Dir.glob("#{path}/extensions/**/#{File.basename(debug_gem)}#{ext_name}") - end.first - - # Attempt to forcibly load the bundled gem - if ext_path - $LOAD_PATH << ext_path.delete_suffix(ext_name) - end - $LOAD_PATH << "#{debug_gem}/lib" - begin - require "debug/session" - puts "Loaded #{File.basename(debug_gem)}" - true - rescue LoadError - false - end - end - end - end -end |