Class: RDoc::AnyMethod

Inherits:
MethodAttr show all
Includes:
TokenStream
Defined in:
lib/rdoc/any_method.rb

Overview

AnyMethod is the base class for objects representing methods

Direct Known Subclasses

GhostMethod, MetaMethod

Constant Summary collapse

MARSHAL_VERSION =
2

RDoc 4 Added calls_super Added parent name and class Added section title

3

RDoc 4.1 Added is_alias_for

3

Constants included from Text

Text::MARKUP_FORMAT, Text::TO_HTML_CHARACTERS

Instance Attribute Summary collapse

Attributes inherited from MethodAttr

#aliases, #block_params, #singleton, #text, #visibility

Attributes inherited from CodeObject

#comment, #document_children, #document_self, #done_documenting, #file, #force_documentation, #line, #metadata, #offset, #parent, #received_nodoc, #section, #store, #viewer

Instance Method Summary collapse

Methods included from TokenStream

#add_tokens, #collect_tokens, #pop_token, to_html, #token_stream, #tokens_to_s

Methods inherited from MethodAttr

#<=>, #==, #add_line_numbers, #aref, #documented?, #find_method_or_attribute, #find_see, #full_name, #html_name, #initialize_copy, #initialize_visibility, #inspect, #markup_code, #name_prefix, #output_name, #parent_name, #path, #pretty_name, #pretty_print, #search_record, #see, #to_s, #type

Methods inherited from CodeObject

#display?, #documented?, #each_parent, #file_name, #full_name=, #ignore, #ignored?, #initialize_visibility, #options, #parent_file_name, #parent_name, #record_location, #start_doc, #stop_doc, #suppress, #suppressed?

Methods included from Generator::Markup

#aref_to, #as_href, #cvs_url, #description, #formatter

Methods included from Text

encode_fallback, #expand_tabs, #flush_left, #markup, #normalize_comment, #parse, #snippet, #strip_hashes, #strip_newlines, #strip_stars, #to_html, #wrap

Constructor Details

#initialize(text, name) ⇒ AnyMethod

Creates a new AnyMethod with a token stream text and name



48
49
50
51
52
53
54
55
56
# File 'lib/rdoc/any_method.rb', line 48

def initialize text, name
  super

  @c_function = nil
  @dont_rename_initialize = false
  @token_stream = nil
  @calls_super = false
  @superclass_method = nil
end

Instance Attribute Details

#c_functionObject

The C function that implements this method (if it was defined in a C file)



26
27
28
# File 'lib/rdoc/any_method.rb', line 26

def c_function
  @c_function
end

#call_seqObject

Different ways to call this method



31
32
33
# File 'lib/rdoc/any_method.rb', line 31

def call_seq
  @call_seq
end

#calls_superObject

If true this method uses super to call a superclass version



41
42
43
# File 'lib/rdoc/any_method.rb', line 41

def calls_super
  @calls_super
end

#dont_rename_initializeObject

Don’t rename #initialize to ::new



21
22
23
# File 'lib/rdoc/any_method.rb', line 21

def dont_rename_initialize
  @dont_rename_initialize
end

#paramsObject

Parameters for this method



36
37
38
# File 'lib/rdoc/any_method.rb', line 36

def params
  @params
end

Instance Method Details

#add_alias(an_alias, context = nil) ⇒ Object

Adds an_alias as an alias for this method in context.



61
62
63
64
65
66
67
68
69
70
71
72
73
# File 'lib/rdoc/any_method.rb', line 61

def add_alias an_alias, context = nil
  method = self.class.new an_alias.text, an_alias.new_name

  method.record_location an_alias.file
  method.singleton = self.singleton
  method.params = self.params
  method.visibility = self.visibility
  method.comment = an_alias.comment
  method.is_alias_for = self
  @aliases << method
  context.add_method method if context
  method
end

#aref_prefixObject

Prefix for aref is ‘method’.



78
79
80
# File 'lib/rdoc/any_method.rb', line 78

def aref_prefix
  'method'
end

#arglistsObject

The call_seq or the param_seq with method name, if there is no call_seq.

Use this for displaying a method’s argument lists.



87
88
89
90
91
92
93
# File 'lib/rdoc/any_method.rb', line 87

def arglists
  if @call_seq then
    @call_seq
  elsif @params then
    "#{name}#{param_seq}"
  end
end

#is_alias_forObject

Loads is_alias_for from the internal name. Returns nil if the alias cannot be found.



111
112
113
114
115
116
117
118
119
120
121
122
123
124
# File 'lib/rdoc/any_method.rb', line 111

def is_alias_for # :nodoc:
  case @is_alias_for
  when RDoc::MethodAttr then
    @is_alias_for
  when Array then
    return nil unless @store

    klass_name, singleton, method_name = @is_alias_for

    return nil unless klass = @store.find_class_or_module(klass_name)

    @is_alias_for = klass.find_method method_name, singleton
  end
end

#marshal_dumpObject

Dumps this AnyMethod for use by ri. See also #marshal_load



129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
# File 'lib/rdoc/any_method.rb', line 129

def marshal_dump
  aliases = @aliases.map do |a|
    [a.name, parse(a.comment)]
  end

  is_alias_for = [
    @is_alias_for.parent.full_name,
    @is_alias_for.singleton,
    @is_alias_for.name
  ] if @is_alias_for

  [ MARSHAL_VERSION,
    @name,
    full_name,
    @singleton,
    @visibility,
    parse(@comment),
    @call_seq,
    @block_params,
    aliases,
    @params,
    @file.relative_name,
    @calls_super,
    @parent.name,
    @parent.class,
    @section.title,
    is_alias_for,
  ]
end

#marshal_load(array) ⇒ Object

Loads this AnyMethod from array. For a loaded AnyMethod the following methods will return cached values:

  • #full_name

  • #parent_name



166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
# File 'lib/rdoc/any_method.rb', line 166

def marshal_load array
  initialize_visibility

  @dont_rename_initialize = nil
  @token_stream           = nil
  @aliases                = []
  @parent                 = nil
  @parent_name            = nil
  @parent_class           = nil
  @section                = nil
  @file                   = nil

  version        = array[0]
  @name          = array[1]
  @full_name     = array[2]
  @singleton     = array[3]
  @visibility    = array[4]
  @comment       = array[5]
  @call_seq      = array[6]
  @block_params  = array[7]
  #                      8 handled below
  @params        = array[9]
  #                      10 handled below
  @calls_super   = array[11]
  @parent_name   = array[12]
  @parent_title  = array[13]
  @section_title = array[14]
  @is_alias_for  = array[15]

  array[8].each do |new_name, comment|
    add_alias RDoc::Alias.new(nil, @name, new_name, comment, @singleton)
  end

  @parent_name ||= if @full_name =~ /#/ then
                     $`
                   else
                     name = @full_name.split('::')
                     name.pop
                     name.join '::'
                   end

  @file = RDoc::TopLevel.new array[10] if version > 0
end

#nameObject

Method name

If the method has no assigned name, it extracts it from #call_seq.



215
216
217
218
219
220
221
222
# File 'lib/rdoc/any_method.rb', line 215

def name
  return @name if @name

  @name =
    @call_seq[/^.*?\.(\w+)/, 1] ||
    @call_seq[/^.*?(\w+)/, 1] ||
    @call_seq if @call_seq
end

#param_listObject

A list of this method’s method and yield parameters. call-seq params are preferred over parsed method and block params.



228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
# File 'lib/rdoc/any_method.rb', line 228

def param_list
  if @call_seq then
    params = @call_seq.split("\n").last
    params = params.sub(/.*?\((.*)\)/, '\1')
    params = params.sub(/(\{|do)\s*\|([^|]*)\|.*/, ',\2')
  elsif @params then
    params = @params.sub(/\((.*)\)/, '\1')

    params << ",#{@block_params}" if @block_params
  elsif @block_params then
    params = @block_params
  else
    return []
  end

  if @block_params then
    # If this method has explicit block parameters, remove any explicit
    # &block
    params.sub!(/,?\s*&\w+/, '')
  else
    params.sub!(/\&(\w+)/, '\1')
  end

  params = params.gsub(/\s+/, '').split(',').reject(&:empty?)

  params.map { |param| param.sub(/=.*/, '') }
end

#param_seqObject

Pretty parameter list for this method. If the method’s parameters were given by call-seq it is preferred over the parsed values.



260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
# File 'lib/rdoc/any_method.rb', line 260

def param_seq
  if @call_seq then
    params = @call_seq.split("\n").last
    params = params.sub(/[^( ]+/, '')
    params = params.sub(/(\|[^|]+\|)\s*\.\.\.\s*(end|\})/, '\1 \2')
  elsif @params then
    params = @params.gsub(/\s*\#.*/, '')
    params = params.tr("\n", " ").squeeze(" ")
    params = "(#{params})" unless params[0] == ?(
  else
    params = ''
  end

  if @block_params then
    # If this method has explicit block parameters, remove any explicit
    # &block
    params.sub!(/,?\s*&\w+/, '')

    block = @block_params.gsub(/\s*\#.*/, '')
    block = block.tr("\n", " ").squeeze(" ")
    if block[0] == ?(
      block.sub!(/^\(/, '').sub!(/\)/, '')
    end
    params << " { |#{block}| ... }"
  end

  params
end

#store=(store) ⇒ Object

Sets the store for this method and its referenced code objects.



292
293
294
295
296
# File 'lib/rdoc/any_method.rb', line 292

def store= store
  super

  @file = @store.add_file @file.full_name if @file
end

#superclass_methodObject

For methods that super, find the superclass method that would be called.



301
302
303
304
305
306
307
308
309
310
311
312
313
# File 'lib/rdoc/any_method.rb', line 301

def superclass_method
  return unless @calls_super
  return @superclass_method if @superclass_method

  parent.each_ancestor do |ancestor|
    if method = ancestor.method_list.find { |m| m.name == @name } then
      @superclass_method = method
      break
    end
  end

  @superclass_method
end