Class: Solargraph::ApiMap

Inherits:
Object
  • Object
show all
Includes:
SourceToYard, NodeMethods
Defined in:
lib/solargraph/api_map.rb,
lib/solargraph/api_map/cache.rb,
lib/solargraph/api_map/config.rb,
lib/solargraph/api_map/source.rb,
lib/solargraph/api_map/source_to_yard.rb

Defined Under Namespace

Modules: SourceToYard Classes: Cache, Config, Source

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'
].freeze
METHODS_RETURNING_SELF = 
[
  'clone', 'dup', 'freeze', 'taint', 'untaint'
].freeze
@@source_cache = 
{}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from SourceToYard

#code_object_at, #code_object_paths

Methods included from NodeMethods

#const_from, #infer_literal_node_type, #pack_name, #resolve_node_signature, #unpack_name

Constructor Details

#initialize(workspace = nil) ⇒ ApiMap

Returns a new instance of ApiMap.

Parameters:

  • workspace (String) (defaults to: nil) 


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# File 'lib/solargraph/api_map.rb', line 35

def initialize workspace = nil
  @workspace = workspace.gsub(/\\/, '/') unless workspace.nil?
  clear
  require_extensions
  unless @workspace.nil?
    workspace_files.concat (self.config.included - self.config.excluded)
    workspace_files.each do |wf|
      begin
        @@source_cache[wf] ||= Source.load(wf)
      rescue Parser::SyntaxError => e
        STDERR.puts "Failed to load #{wf}: #{e.message}"
      end
    end
  end
  @sources = {}
  @virtual_source = nil
  @virtual_filename = nil
  @stale = true
  @yard_stale = true
  refresh
  yard_map
end

Instance Attribute Details

#workspace ⇒ String (readonly)

The root directory of the project. The ApiMap will search here for additional files to parse and analyze.

Returns:

  • (String) 


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# File 'lib/solargraph/api_map.rb', line 32

def workspace
  @workspace
end

Class Method Details

.get_keywords ⇒ Array<Solargraph::Suggestion>

Returns:



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# File 'lib/solargraph/api_map.rb', line 150

def self.get_keywords
  @keyword_suggestions ||= KEYWORDS.map{ |s|
    Suggestion.new(s.to_s, kind: Suggestion::KEYWORD, detail: 'Keyword')
  }.freeze
end

Instance Method Details

#append_source(code, filename) ⇒ Solargraph::ApiMap::Source

Returns:



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

def append_source code, filename
  virtualize code, filename
end

#config(reload = false) ⇒ Solargraph::ApiMap::Config

Returns:



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# File 'lib/solargraph/api_map.rb', line 59

def config reload = false
  @config = ApiMap::Config.new(@workspace) if @config.nil? or reload
  @config
end

#document(path) ⇒ Array<YARD::CodeObject::Base>

Returns:

  • (Array<YARD::CodeObject::Base>) 


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# File 'lib/solargraph/api_map.rb', line 601

def document path
  refresh
  rake_yard(@sources.values) if @yard_stale
  @yard_stale = false
  docs = []
  docs.push code_object_at(path) unless code_object_at(path).nil?
  docs.concat yard_map.document(path)
  docs
end

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

Returns:

  • (String) 


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# File 'lib/solargraph/api_map.rb', line 207

def find_fully_qualified_namespace name, root = '', skip = []
  refresh
  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).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).each { |i|
        recname = find_fully_qualified_namespace name, i, skip
        return recname unless recname.nil?
      }
    end
  end
  result = yard_map.find_fully_qualified_namespace(name, root)
  if result.nil?
    result = live_map.get_fqns(name, root)
  end
  result
end

#find_namespace_pins(fqns) ⇒ Object 



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# File 'lib/solargraph/api_map.rb', line 195

def find_namespace_pins fqns
  set = nil
  if fqns.include?('::')
    set = @namespace_pins[fqns.split('::')[0..-2].join('::')]
  else
    set = @namespace_pins['']
  end
  return [] if set.nil?
  set.select{|p| p.path == fqns}
end

#get_class_variable_pins(namespace) ⇒ Array<Solargraph::Pin::ClassVariable>

Returns:



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# File 'lib/solargraph/api_map.rb', line 270

def get_class_variable_pins(namespace)
  refresh
  @cvar_pins[namespace] || []
end

#get_class_variables(namespace) ⇒ Array<Solargraph::Suggestion>

Returns:



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# File 'lib/solargraph/api_map.rb', line 276

def get_class_variables(namespace)
  refresh
  result = []
  cp = @cvar_pins[namespace]
  unless cp.nil?
    result.concat suggest_unique_variables(cp)
  end
  result
end

#get_comment_for(node) ⇒ Object

Deprecated.

Use get_docstring_for instead.



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# File 'lib/solargraph/api_map.rb', line 145

def get_comment_for node
  get_docstring_for node
end

#get_constant_pins(namespace, root) ⇒ Array<Solargraph::Pin::Constant>

Returns:



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# File 'lib/solargraph/api_map.rb', line 172

def get_constant_pins namespace, root
  fqns = find_fully_qualified_namespace(namespace, root)
  @const_pins[fqns] || []
end

#get_constants(namespace, root = '') ⇒ Array<Solargraph::Suggestion>

Returns:



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# File 'lib/solargraph/api_map.rb', line 178

def get_constants namespace, root = ''
  result = []
  skip = []
  fqns = find_fully_qualified_namespace(namespace, root)
  if fqns.empty?
    result.concat inner_get_constants('', skip, false)
  else
    parts = fqns.split('::')
    resolved = find_namespace_pins(parts.join('::'))
    resolved.each do |pin|
      result.concat inner_get_constants(pin.path, skip, true)
    end
  end
  result.concat yard_map.get_constants(fqns)
  result
end

#get_docstring_for(node) ⇒ YARD::Docstring

Get the docstring associated with a node.

Parameters:

  • node (AST::Node)

Returns:

  • (YARD::Docstring) 


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# File 'lib/solargraph/api_map.rb', line 138

def get_docstring_for node
  filename = get_filename_for(node)
  return nil if @sources[filename].nil?
  @sources[filename].docstring_for(node)
end

#get_filename_for(node) ⇒ String

Returns:

  • (String) 


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# File 'lib/solargraph/api_map.rb', line 293

def get_filename_for(node)
  @sources.each do |filename, source|
    return source.filename if source.include?(node)
  end
  nil
end

#get_global_variable_pins ⇒ Object 



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# File 'lib/solargraph/api_map.rb', line 338

def get_global_variable_pins
  globals = []
  @sources.values.each do |s|
    globals.concat s.global_variable_pins
  end
  globals
end

#get_global_variables ⇒ Array<Solargraph::Suggestion>

Returns:



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# File 'lib/solargraph/api_map.rb', line 330

def get_global_variables
  globals = []
  @sources.values.each do |s|
    globals.concat s.global_variable_pins
  end
  suggest_unique_variables globals
end

#get_include_strings_from(*nodes) ⇒ Array<String>

Returns:

  • (Array<String>) 


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# File 'lib/solargraph/api_map.rb', line 525

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 and n.type != :sclass
    }
  }
  arr
end

#get_instance_methods(namespace, root = '', visibility: [:public]) ⇒ Array<Solargraph::Suggestion>

Get an array of instance methods that are available in the specified namespace.

Returns:



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# File 'lib/solargraph/api_map.rb', line 489

def get_instance_methods(namespace, root = '', visibility: [:public])
  refresh
  namespace = clean_namespace_string(namespace)
  if namespace.end_with?('#class')
    return get_methods(namespace.split('#').first, root, visibility: visibility)
  elsif namespace.end_with?('#module')
    return get_methods(namespace.split('#').first, root, visibility: visibility)
  end
  meths = []
  meths += inner_get_instance_methods(namespace, root, [], visibility) #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(fqns)
    if type == :class
      meths += yard_map.get_instance_methods('Object')
    elsif type == :module
      meths += yard_map.get_instance_methods('Module')
    end
  end
  if namespace == '' and root == ''
    config.domains.each do |d|
      meths.concat get_instance_methods(d)
    end
  end
  strings = meths.map(&:to_s)
  live_map.get_methods(namespace, root, 'instance', visibility.include?(:private)).each do |m|
    next if strings.include?(m) or !m.match(/^[a-z]/i)
    meths.push Suggestion.new(m, kind: Suggestion::METHOD, docstring: YARD::Docstring.new('(defined at runtime)'), path: "#{fqns}##{m}")
  end
  meths
end

#get_instance_variable_pins(namespace, scope = :instance) ⇒ Array<Solargraph::Pin::InstanceVariable>

Returns:



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# File 'lib/solargraph/api_map.rb', line 253

def get_instance_variable_pins(namespace, scope = :instance)
  refresh
  (@ivar_pins[namespace] || []).select{ |pin| pin.scope == scope }
end

#get_instance_variables(namespace, scope = :instance) ⇒ Array<Solargraph::Suggestion>

Returns:



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# File 'lib/solargraph/api_map.rb', line 259

def get_instance_variables(namespace, scope = :instance)
  refresh
  result = []
  ip = @ivar_pins[namespace]
  unless ip.nil?
    result.concat suggest_unique_variables(ip.select{ |pin| pin.scope == scope })
  end
  result
end

#get_methods(namespace, root = '', visibility: [:public]) ⇒ Array<Solargraph::Suggestion>

Get an array of singleton methods that are available in the specified namespace.

Returns:



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# File 'lib/solargraph/api_map.rb', line 444

def get_methods(namespace, root = '', visibility: [:public])
  refresh
  namespace = clean_namespace_string(namespace)
  fqns = find_fully_qualified_namespace(namespace, root)
  meths = []
  skip = []
  meths.concat inner_get_methods(namespace, root, skip)
  yard_meths = yard_map.get_methods(fqns, '', visibility: visibility)
  if yard_meths.any?
    meths.concat yard_meths
  else
    type = get_namespace_type(fqns)
    if type == :class
      meths.concat yard_map.get_instance_methods('Class')
    else
      meths.concat yard_map.get_instance_methods('Module')
    end
  end
  news = meths.select{|s| s.label == 'new'}
  unless news.empty?
    if @method_pins[fqns]
      inits = @method_pins[fqns].select{|p| p.name == 'initialize'}
      meths -= news unless inits.empty?
      inits.each do |pin|
        meths.push Suggestion.new('new', kind: pin.kind, docstring: pin.docstring, detail: pin.namespace, arguments: pin.parameters, path: pin.path)
      end
    end
  end
  if namespace == '' and root == ''
    config.domains.each do |d|
      meths.concat get_instance_methods(d)
    end
  end
  strings = meths.map(&:to_s)
  live_map.get_methods(fqns, '', 'class', visibility.include?(:private)).each do |m|
    next if strings.include?(m) or !m.match(/^[a-z]/i)
    meths.push Suggestion.new(m, kind: Suggestion::METHOD, docstring: YARD::Docstring.new('(defined at runtime)'), path: "#{fqns}.#{m}")
  end
  meths
end

#get_namespace_nodes(fqns) ⇒ Object 



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

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

#get_namespace_type(fqns) ⇒ Object 



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# File 'lib/solargraph/api_map.rb', line 427

def get_namespace_type fqns
  return nil if fqns.nil?
  type = nil
  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
  if type.nil?
    type = yard_map.get_namespace_type(fqns)
  end
  type
end

#get_path_suggestions(path) ⇒ Array<String>

Returns:

  • (Array<String>) 


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# File 'lib/solargraph/api_map.rb', line 564

def get_path_suggestions path
  refresh
  result = []
  if path.include?('#')
    # It's an instance method
    parts = path.split('#')
    result = get_instance_methods(parts[0], '', visibility: [:public, :private, :protected]).select{|s| s.label == parts[1]}
  elsif path.include?('.')
    # It's a class method
    parts = path.split('.')
    result = get_methods(parts[0], '', visibility: [:public, :private, :protected]).select{|s| s.label == parts[1]}
  else
    # It's a class or module
    parts = path.split('::')
    np = @namespace_pins[parts[0..-2].join('::')]
    unless np.nil?
      result.concat np.select{|p| p.name == parts.last}.map{|p| pin_to_suggestion(p)}
    end
    result.concat yard_map.objects(path)
  end
  result
end

#get_source_for(node) ⇒ Solargraph::ApiMap::Source

Returns:



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# File 'lib/solargraph/api_map.rb', line 301

def get_source_for(node)
  @sources.each do |filename, source|
    return source if source.include?(node)
  end
  nil
end

#get_symbols ⇒ Array<Solargraph::Pin::Symbol>

Returns:



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# File 'lib/solargraph/api_map.rb', line 287

def get_symbols
  refresh
  @symbol_pins.uniq(&:label)
end

#infer_assignment_node_type(node, namespace) ⇒ String

Returns:

  • (String) 


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# File 'lib/solargraph/api_map.rb', line 347

def infer_assignment_node_type node, namespace
  type = cache.get_assignment_node_type(node, namespace)
  if type.nil?
    cmnt = get_docstring_for(node)
    if cmnt.nil?
      name_i = (node.type == :casgn ? 1 : 0) 
      sig_i = (node.type == :casgn ? 2 : 1)
      type = infer_literal_node_type(node.children[sig_i])
      if type.nil?
        sig = resolve_node_signature(node.children[sig_i])
        # Avoid infinite loops from variable assignments that reference themselves
        return nil if node.children[name_i].to_s == sig.split('.').first
        type = infer_signature_type(sig, namespace)
      end
    else
      t = cmnt.tag(:type)
      if t.nil?
        sig = resolve_node_signature(node.children[1])
        type = infer_signature_type(sig, namespace)
      else
        type = t.types[0]
      end
    end
    cache.set_assignment_node_type(node, namespace, type)
  end
  type
end

#infer_class_variable(var, namespace) ⇒ String

Returns:

  • (String) 


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# File 'lib/solargraph/api_map.rb', line 319

def infer_class_variable(var, namespace)
  refresh
  fqns = find_fully_qualified_namespace(namespace)
  pins = @cvar_pins[fqns]
  return nil if pins.nil?
  pin = pins.select{|p| p.name == var}.first
  return nil if pin.nil?
  pin.return_type
end

#infer_instance_variable(var, namespace, scope) ⇒ String

Returns:

  • (String) 


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# File 'lib/solargraph/api_map.rb', line 309

def infer_instance_variable(var, namespace, scope)
  refresh
  pins = @ivar_pins[namespace]
  return nil if pins.nil?
  pin = pins.select{|p| p.name == var and p.scope == scope}.first
  return nil if pin.nil?
  pin.return_type
end

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

Returns:

  • (String) 


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# File 'lib/solargraph/api_map.rb', line 376

def infer_signature_type signature, namespace, scope: :class
  namespace ||= ''
  if cache.has_signature_type?(signature, namespace, scope)
    return cache.get_signature_type(signature, namespace, scope)
  end
  return nil if signature.nil? or signature.empty?
  if !signature.include?('.')
    fqns = find_fully_qualified_namespace(signature, namespace)
    unless fqns.nil? or fqns.empty?
      type = (get_namespace_type(fqns) == :class ? 'Class' : 'Module')
      return "#{type}<#{fqns}>"
    end
  end
  result = nil
  if namespace.end_with?('#class')
    result = infer_signature_type signature, namespace[0..-7], scope: (scope == :class ? :instance : :class)
  else
    parts = signature.split('.', 2)
    if parts[0].start_with?('@@')
      type = infer_class_variable(parts[0], namespace)
      if type.nil? or parts.empty?
        result = inner_infer_signature_type(parts[1], type, scope: :instance)
      else
        result = type
      end
    elsif parts[0].start_with?('@')
      type = infer_instance_variable(parts[0], namespace, scope)
      if type.nil? or parts.empty?
        result = inner_infer_signature_type(parts[1], type, scope: :instance)
      else
        result = type
      end
    else
      type = find_fully_qualified_namespace(parts[0], namespace)
      if type.nil?
        # It's a method call
        type = inner_infer_signature_type(parts[0], namespace, scope: scope)
        if parts[1].nil?
          result = type
        else
          result = inner_infer_signature_type(parts[1], type, scope: :instance)
        end
      else
        result = inner_infer_signature_type(parts[1], type, scope: :class)
      end
    end
  end
  cache.set_signature_type signature, namespace, scope, result
  result
end

#live_map ⇒ Solargraph::LiveMap

Returns:



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# File 'lib/solargraph/api_map.rb', line 88

def live_map
  @live_map ||= Solargraph::LiveMap.new(self)
end

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

Returns:

  • (Boolean) 


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# File 'lib/solargraph/api_map.rb', line 162

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

#namespaces ⇒ Array<String>

Returns:

  • (Array<String>) 


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# File 'lib/solargraph/api_map.rb', line 157

def namespaces
  refresh
  namespace_map.keys
end

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

Deprecated.

Use get_constants instead.



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# File 'lib/solargraph/api_map.rb', line 167

def namespaces_in name, root = ''
  get_constants name, root
end

#refresh(force = false) ⇒ Object 



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# File 'lib/solargraph/api_map.rb', line 130

def refresh force = false
  process_maps if @stale or force
end

#required ⇒ Array<String>

An array of required paths in the workspace.

Returns:

  • (Array<String>) 


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# File 'lib/solargraph/api_map.rb', line 74

def required
  @required ||= []
end

#search(query) ⇒ Object 



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# File 'lib/solargraph/api_map.rb', line 587

def search query
  refresh
  rake_yard(@sources.values) if @yard_stale
  @yard_stale = false
  found = []
  code_object_paths.each do |k|
    if found.empty? or (query.include?('.') or query.include?('#')) or !(k.include?('.') or k.include?('#'))
      found.push k if k.downcase.include?(query.downcase)
    end
  end
  found.concat(yard_map.search(query)).uniq.sort
end

#sources ⇒ Object 



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# File 'lib/solargraph/api_map.rb', line 559

def sources
  @sources.values
end

#update(filename) ⇒ Object 



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# File 'lib/solargraph/api_map.rb', line 537

def update filename
  filename.gsub!(/\\/, '/')
  if filename.end_with?('.rb')
    if @virtual_filename == filename
      @virtual_filename = nil
      @virtual_source = nil
    end
    if @workspace_files.include?(filename)
      eliminate filename
      @@source_cache[filename] = Source.load(filename)
      rebuild_local_yardoc #if @workspace_files.include?(filename)
      @stale = true
    else
      @workspace_files = config(true).calculated
      update filename if @workspace_files.include?(filename)
    end
  elsif File.basename(filename) == '.solargraph.yml'
    # @todo Finish refreshing the map
    @workspace_files = config(true).calculated
  end
end

#virtualize(code, filename = nil, cursor = nil) ⇒ Solargraph::ApiMap::Source

TODO:

Get rid of the cursor parameter. Tracking stubbed lines is the better option.

Parameters:

  • code (String)
  • filename (String) (defaults to: nil)

Returns:



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# File 'lib/solargraph/api_map.rb', line 98

def virtualize code, filename = nil, cursor = nil
  workspace_files.delete_if do |f|
    if File.exist?(f)
      false
    else
      eliminate f
      true
    end
  end
  if filename.nil? or filename.end_with?('.rb')
    eliminate @virtual_filename unless @virtual_source.nil? or @virtual_filename == filename or workspace_files.include?(@virtual_filename)
    @virtual_filename = filename
    @virtual_source = Source.fix(code, filename, cursor)
    unless filename.nil? or workspace_files.include?(filename)
      current_files = @workspace_files
      @workspace_files = config(true).calculated
      (current_files - @workspace_files).each { |f| eliminate f }
    end
    process_virtual
  else
    unless filename.nil?
      # @todo Handle special files like .solargraph.yml
    end
  end
  @virtual_source
end

#workspace_files ⇒ Object

An array of all workspace files included in the map.

@return



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

def workspace_files
  @workspace_files ||= []
end

#yard_map ⇒ Solargraph::YardMap

Returns:



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# File 'lib/solargraph/api_map.rb', line 79

def yard_map
  refresh
  if @yard_map.nil? || @yard_map.required != required
    @yard_map = Solargraph::YardMap.new(required: required, workspace: workspace)
  end
  @yard_map
end