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show-doc for core classes now shows file name, closes #536

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This commit is contained in:
John Mair 2012-04-16 16:24:48 +12:00
parent 765f0177c6
commit d8d80419ee
2 changed files with 37 additions and 9 deletions
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16
lib/pry/default_commands/introspection.rb
View file

@ -54,17 +54,29 @@ class Pry
klass = target.eval(name) klass = target.eval(name)
mod = Pry::WrappedModule(klass) mod = Pry::WrappedModule(klass)
# source_file reveals the underlying .c file in case of core
# classes on MRI.
# This is different to source_location, which
# will return nil.
if mod.yard_docs?
file_name, line = mod.source_file, nil
else
file_name, line = mod.source_location file_name, line = mod.source_location
end
doc = mod.doc doc = mod.doc
if doc.empty? if doc.empty?
output.puts "No documentation found." output.puts "No documentation found."
else else
set_file_and_dir_locals(file_name)
# source_location is nil in case of core classes on MRI
set_file_and_dir_locals(file_name) if !mod.yard_docs?
output.puts "\n#{Pry::Helpers::Text.bold('From:')} #{file_name} @ line #{line}:\n\n" output.puts "\n#{Pry::Helpers::Text.bold('From:')} #{file_name} @ line #{line}:\n\n"
if opts.present?(:b) || opts.present?(:l) if opts.present?(:b) || opts.present?(:l)
start_line = file_name.nil? ? 1 : line - doc.lines.count start_line = mod.source_location.nil? ? 1 : line - doc.lines.count
doc = Code.new(doc, start_line, :text). doc = Code.new(doc, start_line, :text).
with_line_numbers(true) with_line_numbers(true)
end end

24
lib/pry/wrapped_module.rb
View file

@ -101,17 +101,20 @@ class Pry
super || wrapped.respond_to?(method_name) super || wrapped.respond_to?(method_name)
end end
def yard_docs?
!!(defined?(YARD) && YARD::Registry.at(name))
end
def doc def doc
return @doc if @doc return @doc if @doc
file_name, line = source_location file_name, line = source_location
if file_name.nil? if yard_docs?
if defined?(YARD) && from_yard = YARD::Registry.at(name) from_yard = YARD::Registry.at(name)
@doc = from_yard.docstring @doc = from_yard.docstring
else elsif source_location.nil?
raise CommandError, "Can't find module's source location" raise CommandError, "Can't find module's source location"
end
else else
@doc = extract_doc @doc = extract_doc
end end
@ -132,6 +135,19 @@ class Pry
end end
def source_file
if yard_docs?
from_yard = YARD::Registry.at(name)
from_yard.file
else
Array(source_location).first
end
end
def source_line
source_location.nil? ? nil : source_location.last
end
# Retrieve the source location of a module. Return value is in same # Retrieve the source location of a module. Return value is in same
# format as Method#source_location. If the source location # format as Method#source_location. If the source location
# cannot be found this method returns `nil`. # cannot be found this method returns `nil`.