Class: YARD::Handlers::Ruby::ExceptionHandler

Inherits:
Base
  • Object
show all
Defined in:
lib/yard/handlers/ruby/exception_handler.rb

Overview

Handles ‘raise’ calls inside methods

Constant Summary

Constants included from CodeObjects

CodeObjects::BUILTIN_ALL, CodeObjects::BUILTIN_CLASSES, CodeObjects::BUILTIN_EXCEPTIONS, CodeObjects::BUILTIN_EXCEPTIONS_HASH, CodeObjects::BUILTIN_MODULES, CodeObjects::CONSTANTMATCH, CodeObjects::CSEP, CodeObjects::CSEPQ, CodeObjects::ISEP, CodeObjects::ISEPQ, CodeObjects::METHODMATCH, CodeObjects::METHODNAMEMATCH, CodeObjects::NAMESPACEMATCH, CodeObjects::NSEP, CodeObjects::NSEPQ

Instance Attribute Summary

Attributes inherited from Base

#extra_state, #globals, #namespace, #owner, #parser, #scope, #statement, #visibility

Instance Method Summary collapse

Methods inherited from Base

#call_params, #caller_method, handles?, meta_type, method_call, #parse_block

Methods included from Parser::Ruby

#s

Methods inherited from Base

#call_params, #caller_method, clear_subclasses, #ensure_loaded!, #expand_macro, #find_or_create_macro, handlers, handles, handles?, in_file, #initialize, matches_file?, namespace_only, namespace_only?, #parse_block, process, #push_state, #register, subclasses

Constructor Details

This class inherits a constructor from YARD::Handlers::Base

Instance Method Details

#process ⇒ void

This method returns an undefined value.

Main processing callback



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# File 'lib/yard/handlers/ruby/exception_handler.rb', line 5

process do
  return unless owner.is_a?(MethodObject) # Only methods yield
  return if [:command_call, :call].include? statement.type
  return if owner.has_tag?(:raise)

  klass = nil
  if statement.call?
    params = statement.parameters(false)
    if params.size == 1
      if params.first.ref? && params.first.first.type != :ident
        klass = params.first.source
      elsif params.first.call? && params.first.method_name(true) == :new
        klass = params.first.namespace.source
      end
    elsif params.size > 1
      klass = params.first.source
    end
  end

  owner.docstring.add_tag YARD::Tags::Tag.new(:raise, '', klass) if klass
end