diff options
Diffstat (limited to 'lib/irb.rb')
| -rw-r--r-- | lib/irb.rb | 58 |
1 files changed, 37 insertions, 21 deletions
diff --git a/lib/irb.rb b/lib/irb.rb index 168595d341..b3435c257e 100644 --- a/lib/irb.rb +++ b/lib/irb.rb @@ -311,7 +311,9 @@ require_relative "irb/pager" # ### Input Method # # The IRB input method determines how command input is to be read; by default, -# the input method for a session is IRB::RelineInputMethod. +# the input method for a session is IRB::RelineInputMethod. Unless the +# value of the TERM environment variable is 'dumb', in which case the +# most simplistic input method is used. # # You can set the input method by: # @@ -329,7 +331,8 @@ require_relative "irb/pager" # IRB::ReadlineInputMethod. # * `--nosingleline` or `--multiline` sets the input method to # IRB::RelineInputMethod. -# +# * `--nosingleline` together with `--nomultiline` sets the +# input to IRB::StdioInputMethod. # # # Method `conf.use_multiline?` and its synonym `conf.use_reline` return: @@ -928,8 +931,11 @@ module IRB # The lexer used by this irb session attr_accessor :scanner + attr_reader :from_binding + # Creates a new irb session - def initialize(workspace = nil, input_method = nil) + def initialize(workspace = nil, input_method = nil, from_binding: false) + @from_binding = from_binding @context = Context.new(self, workspace, input_method) @context.workspace.load_helper_methods_to_main @signal_status = :IN_IRB @@ -992,6 +998,7 @@ module IRB def run(conf = IRB.conf) in_nested_session = !!conf[:MAIN_CONTEXT] conf[:IRB_RC].call(context) if conf[:IRB_RC] + prev_context = conf[:MAIN_CONTEXT] conf[:MAIN_CONTEXT] = context save_history = !in_nested_session && conf[:SAVE_HISTORY] && context.io.support_history_saving? @@ -1014,6 +1021,9 @@ module IRB eval_input end ensure + # Do not restore to nil. It will cause IRB crash when used with threads. + IRB.conf[:MAIN_CONTEXT] = prev_context if prev_context + RubyVM.keep_script_lines = keep_script_lines_backup if defined?(RubyVM.keep_script_lines) trap("SIGINT", prev_trap) conf[:AT_EXIT].each{|hook| hook.call} @@ -1238,27 +1248,33 @@ module IRB irb_bug = true else irb_bug = false - # This is mostly to make IRB work nicely with Rails console's backtrace filtering, which patches WorkSpace#filter_backtrace - # In such use case, we want to filter the exception's backtrace before its displayed through Exception#full_message - # And we clone the exception object in order to avoid mutating the original exception - # TODO: introduce better API to expose exception backtrace externally - backtrace = exc.backtrace.map { |l| @context.workspace.filter_backtrace(l) }.compact + # To support backtrace filtering while utilizing Exception#full_message, we need to clone + # the exception to avoid modifying the original exception's backtrace. exc = exc.clone - exc.set_backtrace(backtrace) - end + filtered_backtrace = exc.backtrace.map { |l| @context.workspace.filter_backtrace(l) }.compact + backtrace_filter = IRB.conf[:BACKTRACE_FILTER] - if RUBY_VERSION < '3.0.0' - if STDOUT.tty? - message = exc.full_message(order: :bottom) - order = :bottom - else - message = exc.full_message(order: :top) - order = :top + if backtrace_filter + if backtrace_filter.respond_to?(:call) + filtered_backtrace = backtrace_filter.call(filtered_backtrace) + else + warn "IRB.conf[:BACKTRACE_FILTER] #{backtrace_filter} should respond to `call` method" + end end - else # '3.0.0' <= RUBY_VERSION - message = exc.full_message(order: :top) - order = :top + + exc.set_backtrace(filtered_backtrace) end + + highlight = Color.colorable? + + order = + if RUBY_VERSION < '3.0.0' + STDOUT.tty? ? :bottom : :top + else # '3.0.0' <= RUBY_VERSION + :top + end + + message = exc.full_message(order: order, highlight: highlight) message = convert_invalid_byte_sequence(message, exc.message.encoding) message = encode_with_invalid_byte_sequence(message, IRB.conf[:LC_MESSAGES].encoding) unless message.encoding.to_s.casecmp?(IRB.conf[:LC_MESSAGES].encoding.to_s) message = message.gsub(/((?:^\t.+$\n)+)/) { |m| @@ -1583,7 +1599,7 @@ class Binding else # If we're not in a debugger session, create a new IRB instance with the current # workspace - binding_irb = IRB::Irb.new(workspace) + binding_irb = IRB::Irb.new(workspace, from_binding: true) binding_irb.context.irb_path = irb_path binding_irb.run(IRB.conf) binding_irb.debug_break |