Class: Pry::ObjectPath
- Defined in:
- lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/pry-0.14.2/lib/pry/object_path.rb
Overview
‘ObjectPath` implements the resolution of “object paths”, which are strings that are similar to filesystem paths but meant for traversing Ruby objects. Examples of valid object paths include:
x
@foo/@bar
"string"/upcase
Pry/Method
Object paths are mostly relevant in the context of the ‘cd` command.
Constant Summary collapse
- SPECIAL_TERMS =
["", "::", ".", ".."].freeze
Instance Method Summary collapse
-
#initialize(path_string, current_stack) ⇒ ObjectPath
constructor
A new instance of ObjectPath.
-
#resolve ⇒ Array<Binding>
A new stack resulting from applying the given path to the current stack.
Constructor Details
#initialize(path_string, current_stack) ⇒ ObjectPath
Returns a new instance of ObjectPath.
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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/pry-0.14.2/lib/pry/object_path.rb', line 23 def initialize(path_string, current_stack) @path_string = path_string @current_stack = current_stack end |
Instance Method Details
#resolve ⇒ Array<Binding>
Returns a new stack resulting from applying the given path to the current stack.
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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/pry-0.14.2/lib/pry/object_path.rb', line 30 def resolve scanner = StringScanner.new(@path_string.strip) stack = @current_stack.dup loop do begin next_segment = "" loop do # Scan for as long as we don't see a slash next_segment += scanner.scan(%r{[^/]*}) if complete?(next_segment) || scanner.eos? scanner.getch # consume the slash break else next_segment += scanner.getch # append the slash end end case next_segment.chomp when "" stack = [stack.first] when "::" stack.push(TOPLEVEL_BINDING) when "." next when ".." stack.pop unless stack.size == 1 else stack.push(Pry.binding_for(stack.last.eval(next_segment))) end rescue RescuableException => e return handle_failure(next_segment, e) end break if scanner.eos? end stack end |