diff options
Diffstat (limited to 'lib/irb/workspace.rb')
| -rw-r--r-- | lib/irb/workspace.rb | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/lib/irb/workspace.rb b/lib/irb/workspace.rb deleted file mode 100644 index d6fa67053d..0000000000 --- a/lib/irb/workspace.rb +++ /dev/null @@ -1,169 +0,0 @@ -# frozen_string_literal: false -# -# irb/workspace-binding.rb - -# by Keiju ISHITSUKA(keiju@ruby-lang.org) -# - -require "delegate" - -IRB::TOPLEVEL_BINDING = binding -module IRB # :nodoc: - class WorkSpace - # Creates a new workspace. - # - # set self to main if specified, otherwise - # inherit main from TOPLEVEL_BINDING. - def initialize(*main) - if main[0].kind_of?(Binding) - @binding = main.shift - elsif IRB.conf[:SINGLE_IRB] - @binding = TOPLEVEL_BINDING - else - case IRB.conf[:CONTEXT_MODE] - when 0 # binding in proc on TOPLEVEL_BINDING - @binding = eval("proc{binding}.call", - TOPLEVEL_BINDING, - __FILE__, - __LINE__) - when 1 # binding in loaded file - require "tempfile" - f = Tempfile.open("irb-binding") - f.print <<EOF - $binding = binding -EOF - f.close - load f.path - @binding = $binding - - when 2 # binding in loaded file(thread use) - unless defined? BINDING_QUEUE - IRB.const_set(:BINDING_QUEUE, Thread::SizedQueue.new(1)) - Thread.abort_on_exception = true - Thread.start do - eval "require \"irb/ws-for-case-2\"", TOPLEVEL_BINDING, __FILE__, __LINE__ - end - Thread.pass - end - @binding = BINDING_QUEUE.pop - - when 3 # binding in function on TOPLEVEL_BINDING - @binding = eval("self.class.remove_method(:irb_binding) if defined?(irb_binding); private; def irb_binding; binding; end; irb_binding", - TOPLEVEL_BINDING, - __FILE__, - __LINE__ - 3) - when 4 # binding is a copy of TOPLEVEL_BINDING (default) - # Note that this will typically be IRB::TOPLEVEL_BINDING - # This is to avoid RubyGems' local variables (see issue #17623) - @binding = TOPLEVEL_BINDING.dup - end - end - - if main.empty? - @main = eval("self", @binding) - else - @main = main[0] - end - IRB.conf[:__MAIN__] = @main - - unless main.empty? - case @main - when Module - @binding = eval("IRB.conf[:__MAIN__].module_eval('binding', __FILE__, __LINE__)", @binding, __FILE__, __LINE__) - else - begin - @binding = eval("IRB.conf[:__MAIN__].instance_eval('binding', __FILE__, __LINE__)", @binding, __FILE__, __LINE__) - rescue TypeError - fail CantChangeBinding, @main.inspect - end - end - end - - case @main - when Object - use_delegator = @main.frozen? - else - use_delegator = true - end - - if use_delegator - @main = SimpleDelegator.new(@main) - IRB.conf[:__MAIN__] = @main - @main.singleton_class.class_eval do - private - define_method(:exit) do |*a, &b| - # Do nothing, will be overridden - end - define_method(:binding, Kernel.instance_method(:binding)) - define_method(:local_variables, Kernel.instance_method(:local_variables)) - end - @binding = eval("IRB.conf[:__MAIN__].instance_eval('binding', __FILE__, __LINE__)", @binding, *@binding.source_location) - end - - @binding.local_variable_set(:_, nil) - end - - # The Binding of this workspace - attr_reader :binding - # The top-level workspace of this context, also available as - # <code>IRB.conf[:__MAIN__]</code> - attr_reader :main - - # Evaluate the given +statements+ within the context of this workspace. - def evaluate(statements, file = __FILE__, line = __LINE__) - eval(statements, @binding, file, line) - end - - def local_variable_set(name, value) - @binding.local_variable_set(name, value) - end - - def local_variable_get(name) - @binding.local_variable_get(name) - end - - # error message manipulator - # WARN: Rails patches this method to filter its own backtrace. Be cautious when changing it. - # See: https://github.com/rails/rails/blob/main/railties/lib/rails/commands/console/console_command.rb#L8:~:text=def,filter_backtrace - def filter_backtrace(bt) - return nil if bt =~ /\/irb\/.*\.rb/ - return nil if bt =~ /\/irb\.rb/ - return nil if bt =~ /tool\/lib\/.*\.rb|runner\.rb/ # for tests in Ruby repository - case IRB.conf[:CONTEXT_MODE] - when 1 - return nil if bt =~ %r!/tmp/irb-binding! - when 3 - bt = bt.sub(/:\s*in `irb_binding'/, '') - end - bt - end - - def code_around_binding - file, pos = @binding.source_location - - if defined?(::SCRIPT_LINES__[file]) && lines = ::SCRIPT_LINES__[file] - code = ::SCRIPT_LINES__[file].join('') - else - begin - code = File.read(file) - rescue SystemCallError - return - end - end - - lines = Color.colorize_code(code).lines - pos -= 1 - - start_pos = [pos - 5, 0].max - end_pos = [pos + 5, lines.size - 1].min - - line_number_fmt = Color.colorize("%#{end_pos.to_s.length}d", [:BLUE, :BOLD]) - fmt = " %2s #{line_number_fmt}: %s" - - body = (start_pos..end_pos).map do |current_pos| - sprintf(fmt, pos == current_pos ? '=>' : '', current_pos + 1, lines[current_pos]) - end.join("") - - "\nFrom: #{file} @ line #{pos + 1} :\n\n#{body}#{Color.clear}\n" - end - end -end |