Class: Solargraph::ApiMap

Inherits:
Object
  • Object
show all
Includes:
NodeMethods
Defined in:
lib/solargraph/api_map.rb

Constant Summary collapse

KEYWORDS = 
[
  '__ENCODING__', '__LINE__', '__FILE__', 'BEGIN', 'END', 'alias', 'and',
  'begin', 'break', 'case', 'class', 'def', 'defined?', 'do', 'else',
  'elsif', 'end', 'ensure', 'false', 'for', 'if', 'in', 'module', 'next',
  'nil', 'not', 'or', 'redo', 'rescue', 'retry', 'return', 'self', 'super',
  'then', 'true', 'undef', 'unless', 'until', 'when', 'while', 'yield'
]
MAPPABLE_METHODS = 
[
  :include, :extend, :require, :autoload, :attr_reader, :attr_writer, :attr_accessor, :private, :public, :protected
]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from NodeMethods

#const_from, #drill_signature, #infer, #pack_name, #resolve_node_signature, #stack_node_signature, #unpack_name, #yard_options

Constructor Details

#initialize(workspace = nil) ⇒ ApiMap 



25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
 
# File 'lib/solargraph/api_map.rb', line 25

def initialize workspace = nil
  @workspace = workspace.gsub(/\\/, '/') unless workspace.nil?
  clear
  unless @workspace.nil?
    extra = File.join(@workspace, '.solargraph')
    if File.exist?(extra)
      append_file(extra)
    end
    files = []
    opts = yard_options
    (opts[:include] - opts[:exclude]).each { |glob|
      files += Dir[File.join @workspace, glob]
    }
    opts[:exclude].each { |glob|
      files -= Dir[File.join @workspace, glob]
    }
    files.uniq.each { |f|
      append_file f #unless yardoc_has_file?(f)

    }
  end
end

Instance Attribute Details

#required ⇒ Object (readonly)

Returns the value of attribute required.



23
24
25
 
# File 'lib/solargraph/api_map.rb', line 23

def required
  @required
end

#workspace ⇒ Object (readonly)

Returns the value of attribute workspace.



22
23
24
 
# File 'lib/solargraph/api_map.rb', line 22

def workspace
  @workspace
end

Class Method Details

.current ⇒ Object 



444
445
446
447
448
449
450
 
# File 'lib/solargraph/api_map.rb', line 444

def self.current
  if @current.nil?
    @current = ApiMap.new
    @current.merge(Parser::CurrentRuby.parse(File.read("#{Solargraph::STUB_PATH}/ruby/2.3.0/core.rb")))
  end
  @current
end

.get_keywords ⇒ Object 



101
102
103
104
105
106
107
108
 
# File 'lib/solargraph/api_map.rb', line 101

def self.get_keywords
  result = []
  keywords = KEYWORDS + ['attr_reader', 'attr_writer', 'attr_accessor', 'private', 'public', 'protected']
  keywords.each { |k|
    result.push Suggestion.new(k, kind: Suggestion::KEYWORD, detail: 'Keyword')
  }
  result
end

Instance Method Details

#append_file(filename) ⇒ Object 



60
61
62
 
# File 'lib/solargraph/api_map.rb', line 60

def append_file filename
  append_source File.read(filename), filename
end

#append_node(node, comments, filename = nil) ⇒ Object 



69
70
71
72
73
74
75
76
77
78
 
# File 'lib/solargraph/api_map.rb', line 69

def append_node node, comments, filename = nil
  @file_comments[filename] = associate_comments(node, comments)
  mapified = reduce(node, @file_comments[filename])
  root = AST::Node.new(:begin, [filename])
  root = root.append mapified
  @file_nodes[filename] = root
  @required.uniq!
  process_maps
  root
end

#append_source(text, filename = nil) ⇒ Object 



64
65
66
67
 
# File 'lib/solargraph/api_map.rb', line 64

def append_source text, filename = nil
  node, comments = Parser::CurrentRuby.parse_with_comments(text)
  append_node(node, comments, filename)
end

#associate_comments(node, comments) ⇒ Object 



80
81
82
83
84
85
86
87
88
89
90
91
92
 
# File 'lib/solargraph/api_map.rb', line 80

def associate_comments node, comments
  comment_hash = Parser::Source::Comment.associate_locations(node, comments)
  yard_hash = {}
  comment_hash.each_pair { |k, v|
    ctxt = ''
    v.each { |l|
      ctxt += l.text.gsub(/^# /, '') + "\n"
    }
    parser = YARD::DocstringParser.new
    yard_hash[k] = parser.parse(ctxt).to_docstring
  }
  yard_hash
end

#clear ⇒ Object 



47
48
49
50
51
52
53
54
 
# File 'lib/solargraph/api_map.rb', line 47

def clear
  @file_nodes = {}
  @file_comments = {}
  @parent_stack = {}
  @namespace_map = {}
  @namespace_tree = {}
  @required = []
end

#find_fully_qualified_namespace(name, root = '', skip = []) ⇒ Object 



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
209
210
211
212
213
 
# File 'lib/solargraph/api_map.rb', line 181

def find_fully_qualified_namespace name, root = '', skip = []
  return nil if skip.include?(root)
  skip.push root
  if name == ''
    if root == ''
      return ''
    else
      return find_fully_qualified_namespace(root, '', skip)
    end
  else
    if (root == '')
      return name unless @namespace_map[name].nil?
      get_include_strings_from(*@file_nodes.values).each { |i|
        reroot = "#{root == '' ? '' : root + '::'}#{i}"
        recname = find_fully_qualified_namespace name.to_s, reroot, skip
        return recname unless recname.nil?
      }
    else
      roots = root.to_s.split('::')
      while roots.length > 0
        fqns = roots.join('::') + '::' + name
        return fqns unless @namespace_map[fqns].nil?
        roots.pop
      end
      return name unless @namespace_map[name].nil?
      get_include_strings_from(*@file_nodes.values).each { |i|
        recname = find_fully_qualified_namespace name, i, skip
        return recname unless recname.nil?
      }
    end
  end
  yard_map.find_fully_qualified_namespace(name, root)
end

#find_instance_variable_assignment(var, node, scope) ⇒ Object 



305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
 
# File 'lib/solargraph/api_map.rb', line 305

def find_instance_variable_assignment(var, node, scope)
  node.children.each { |c|
    if c.kind_of?(AST::Node)
      is_inst = !find_parent(c, :def).nil?
      if c.type == :ivasgn and ( (scope == :instance and is_inst) or (scope != :instance and !is_inst) )
        if c.children[0].to_s == var
          return c
        end
      else
        inner = find_instance_variable_assignment(var, c, scope)
        return inner unless inner.nil?
      end
    end
  }
  nil
end

#find_parent(node, *types) ⇒ Object 



229
230
231
232
233
234
235
 
# File 'lib/solargraph/api_map.rb', line 229

def find_parent(node, *types)
  parents = @parent_stack[node]
  parents.each { |p|
    return p if types.include?(p.type)
  }
  nil
end

#get_comment_for(node) ⇒ Object 



94
95
96
97
98
 
# File 'lib/solargraph/api_map.rb', line 94

def get_comment_for node
  filename = get_filename_for(node)
  return nil if @file_comments[filename].nil?
  @file_comments[filename][node.loc]
end

#get_filename_for(node) ⇒ Object 



244
245
246
247
 
# File 'lib/solargraph/api_map.rb', line 244

def get_filename_for(node)
  root = get_root_for(node)
  root.nil? ? nil : root.children[0]
end

#get_global_variables ⇒ Object 



322
323
324
325
 
# File 'lib/solargraph/api_map.rb', line 322

def get_global_variables
  # TODO: Get them

  []
end

#get_include_strings_from(*nodes) ⇒ Object 



452
453
454
455
456
457
458
459
460
461
462
 
# File 'lib/solargraph/api_map.rb', line 452

def get_include_strings_from *nodes
  arr = []
  nodes.each { |node|
    next unless node.kind_of?(AST::Node)
    arr.push unpack_name(node.children[2]) if (node.type == :send and node.children[1] == :include)
    node.children.each { |n|
      arr += get_include_strings_from(n) if n.kind_of?(AST::Node) and n.type != :class and n.type != :module
    }
  }
  arr
end

#get_instance_methods(namespace, root = '', visibility: [:public]) ⇒ Object 



413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
 
# File 'lib/solargraph/api_map.rb', line 413

def get_instance_methods(namespace, root = '', visibility: [:public])
  meths = []
  meths += inner_get_instance_methods(namespace, root, []) #unless has_yardoc?

  fqns = find_fully_qualified_namespace(namespace, root)
  yard_meths = yard_map.get_instance_methods(fqns, '', visibility: visibility)
  if yard_meths.any?
    meths.concat yard_meths
  else
    type = get_namespace_type(namespace, root)
    if type == :class
      meths += yard_map.get_instance_methods('Object')
    elsif type == :module
      meths += yard_map.get_instance_methods('Module')
    end
  end
  meths
end

#get_instance_variables(namespace, scope = :instance) ⇒ Object 



220
221
222
223
224
225
226
227
 
# File 'lib/solargraph/api_map.rb', line 220

def get_instance_variables(namespace, scope = :instance)
  nodes = get_namespace_nodes(namespace) || @file_nodes.values
  arr = []
  nodes.each { |n|
    arr += inner_get_instance_variables(n, scope)
  }
  arr
end

#get_method_args(node) ⇒ Object 



393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
 
# File 'lib/solargraph/api_map.rb', line 393

def get_method_args node
  list = nil
  args = []
  node.children.each { |c|
    if c.kind_of?(AST::Node) and c.type == :args
      list = c
      break
    end
  }
  return args if list.nil?
  list.children.each { |c|
    if c.type == :arg
      args.push c.children[0]
    elsif c.type == :kwoptarg
      args.push "#{c.children[0]}:"
    end
  }
  args
end

#get_methods(namespace, root = '', visibility: [:public]) ⇒ Object 



376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
 
# File 'lib/solargraph/api_map.rb', line 376

def get_methods(namespace, root = '', visibility: [:public])
  meths = []
  meths += inner_get_methods(namespace, root, []) #unless has_yardoc?

  yard_meths = yard_map.get_methods(namespace, root, visibility: visibility)
  if yard_meths.any?
    meths.concat yard_meths
  else
    type = get_namespace_type(namespace, root)
    if type == :class
      meths += yard_map.get_instance_methods('Class')
    elsif type == :module
      meths += yard_map.get_methods('Module')
    end
    meths
  end
end

#get_namespace_nodes(fqns) ⇒ Object 



215
216
217
218
 
# File 'lib/solargraph/api_map.rb', line 215

def get_namespace_nodes(fqns)
  return @file_nodes.values if fqns == '' or fqns.nil?
  @namespace_map[fqns] || []
end

#get_namespace_type(namespace, root = '') ⇒ Object 



366
367
368
369
370
371
372
373
374
 
# File 'lib/solargraph/api_map.rb', line 366

def get_namespace_type namespace, root = ''
  type = nil
  fqns = find_fully_qualified_namespace(namespace, root)
  nodes = get_namespace_nodes(fqns)
  unless nodes.nil? or nodes.empty? or !nodes[0].kind_of?(AST::Node)
    type = nodes[0].type if [:class, :module].include?(nodes[0].type)
  end
  type
end

#get_root_for(node) ⇒ Object 



237
238
239
240
241
242
 
# File 'lib/solargraph/api_map.rb', line 237

def get_root_for(node)
  s = @parent_stack[node]
  return nil if s.nil?
  return node if s.empty?
  s.last
end

#get_superclass(namespace, root = '') ⇒ Object 



431
432
433
434
435
436
437
438
439
440
441
442
 
# File 'lib/solargraph/api_map.rb', line 431

def get_superclass(namespace, root = '')
  fqns = find_fully_qualified_namespace(namespace, root)
  nodes = get_namespace_nodes(fqns)
  nodes.each { |n|
    if n.kind_of?(AST::Node)
      if n.type == :class and !n.children[1].nil?
        return unpack_name(n.children[1])
      end
    end
  }
  return nil
end

#infer_instance_variable(var, namespace, scope = :instance) ⇒ Object 



278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
 
# File 'lib/solargraph/api_map.rb', line 278

def infer_instance_variable(var, namespace, scope = :instance)
  result = nil
  vn = nil
  fqns = find_fully_qualified_namespace(namespace)
  unless fqns.nil?
    get_namespace_nodes(fqns).each { |node|
      vn = find_instance_variable_assignment(var, node, scope)
      break unless vn.nil?
    }
  end
  unless vn.nil?
    cmnt = get_comment_for(vn)
    unless cmnt.nil?
      tag = cmnt.tag(:type)
      result = tag.types[0] unless tag.nil? or tag.types.empty?
    end
    result = infer(vn.children[1]) if result.nil?
    if result.nil?
      signature = resolve_node_signature(vn.children[1])
      sig_ns = find_fully_qualified_namespace(signature.split('.').first, fqns)
      sig_scope = (sig_ns.nil? ? :instance : :class)
      result = infer_signature_type(signature, namespace, scope: sig_scope)
    end
  end
  result
end

#infer_signature_type(signature, namespace, scope: :instance) ⇒ String

Get a fully qualified namespace for the given signature. The signature should be in the form of a method chain, e.g., method1.method2



333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
 
# File 'lib/solargraph/api_map.rb', line 333

def infer_signature_type signature, namespace, scope: :instance
  parts = signature.split('.')
  type = find_fully_qualified_namespace(namespace)
  type ||= ''
  top = true
  while parts.length > 0 and !type.nil?
    p = parts.shift
    if top and scope == :class
      next if p == 'new'
      first_class = find_fully_qualified_namespace(p, namespace)
      sub = nil
      sub = infer_signature_type(parts.join('.'), first_class, scope: :class) unless first_class.nil?
      return sub unless sub.to_s == ''
    end
    unless p == 'new' and scope != :instance
      if scope == :instance
        meths = get_instance_methods(type)
        meths += get_methods('') if top or type.to_s == ''
      else
        meths = get_methods(type)
      end
      meths.delete_if{ |m| m.insert != p }
      return nil if meths.empty?
      type = nil
      match = meths[0].return_type
      type = find_fully_qualified_namespace(match) unless match.nil?
    end
    scope = :instance
    top = false
  end
  type
end

#inner_get_instance_variables(node, scope) ⇒ Object 



262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
 
# File 'lib/solargraph/api_map.rb', line 262

def inner_get_instance_variables(node, scope)
  arr = []
  if node.kind_of?(AST::Node)
    node.children.each { |c|
      if c.kind_of?(AST::Node)
        is_inst = !find_parent(c, :def).nil?
        if c.type == :ivasgn and c.children[0] and ( (scope == :instance and is_inst) or (scope != :instance and !is_inst) )
          arr.push Suggestion.new(c.children[0], kind: Suggestion::VARIABLE, documentation: get_comment_for(c))
        end
        arr += inner_get_instance_variables(c, scope) unless [:class, :module].include?(c.type)
      end
    }
  end
  arr
end

#inner_namespaces_in(name, root, skip) ⇒ Object 



142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
 
# File 'lib/solargraph/api_map.rb', line 142

def inner_namespaces_in name, root, skip
  result = []
  fqns = find_fully_qualified_namespace(name, root)
  unless fqns.nil? or skip.include?(fqns)
    skip.push fqns
    nodes = get_namespace_nodes(fqns)
    nodes.delete_if { |n| yardoc_has_file?(get_filename_for(n))}
    unless nodes.empty?
      cursor = @namespace_tree
      parts = fqns.split('::')
      parts.each { |p|
        cursor = cursor[p]
      }
      unless cursor.nil?
        cursor.keys.each { |k|
          type = get_namespace_type(k, fqns)
          kind = nil
          detail = nil
          if type == :class
            kind = Suggestion::CLASS
            detail = 'Class'
          elsif type == :module
            kind = Suggestion::MODULE
            detail = 'Module'
          end
          result.push Suggestion.new(k, kind: kind, detail: detail)
        }
        nodes = get_namespace_nodes(fqns)
        nodes.each { |n|
          get_include_strings_from(n).each { |i|
            result += inner_namespaces_in(i, fqns, skip)
          }
        }
      end
    end
  end
  result
end

#namespace_exists?(name, root = '') ⇒ Boolean 



124
125
126
 
# File 'lib/solargraph/api_map.rb', line 124

def namespace_exists? name, root = ''
  !find_fully_qualified_namespace(name, root).nil?
end

#namespaces ⇒ Object 



120
121
122
 
# File 'lib/solargraph/api_map.rb', line 120

def namespaces
  @namespace_map.keys
end

#namespaces_in(name, root = '') ⇒ Object 



128
129
130
131
132
133
134
135
136
137
138
139
140
 
# File 'lib/solargraph/api_map.rb', line 128

def namespaces_in name, root = ''
  result = []
  result += inner_namespaces_in(name, root, [])
  result += yard_map.get_constants name, root
  fqns = find_fully_qualified_namespace(name, root)
  unless fqns.nil?
    nodes = get_namespace_nodes(fqns)
    get_include_strings_from(*nodes).each { |i|
      result += yard_map.get_constants(i, root)
    }
  end
  result
end

#process_maps ⇒ Object 



110
111
112
113
114
115
116
117
118
 
# File 'lib/solargraph/api_map.rb', line 110

def process_maps
  @parent_stack = {}
  @namespace_map = {}
  @namespace_tree = {}
  @file_nodes.values.each { |f|
    map_parents f
    map_namespaces f
  }
end

#update_yardoc ⇒ Object 



464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
 
# File 'lib/solargraph/api_map.rb', line 464

def update_yardoc
  if workspace.nil?
    STDERR.puts "No workspace specified for yardoc update."
  else
    Dir.chdir(workspace) do
      Thread.new {
        STDERR.puts "Updating the yardoc..."
        globs = yard_options[:include] - yard_options[:exclude]
        cmd = "yardoc -e #{Solargraph::YARD_EXTENSION_FILE}"
        STDERR.puts "Update yardoc with #{cmd}"
        STDERR.puts `#{cmd}`
        unless $?.success?
          STDERR.puts "There was an error processing the workspace yardoc."
        end
      }
    end
  end
end

#yard_map ⇒ Object 



56
57
58
 
# File 'lib/solargraph/api_map.rb', line 56

def yard_map
  @yard_map ||= YardMap.new(required: required, workspace: workspace)
end

#yardoc_has_file?(file) ⇒ Boolean 



249
250
251
252
253
254
255
256
257
258
259
260
 
# File 'lib/solargraph/api_map.rb', line 249

def yardoc_has_file?(file)
  return false if workspace.nil?
  if @yardoc_files.nil?
    @yardoc_files = []
    yard_options[:include].each { |glob|
      Dir[File.join workspace, glob].each { |f|
        @yardoc_files.push File.absolute_path(f)
      }
    }
  end
  @yardoc_files.include?(file)
end