Class: FastCov::StaticMap

Inherits:
Object
  • Object
show all
Defined in:
lib/fast_cov/static_map.rb,
lib/fast_cov/static_map/reference_extractor.rb

Defined Under Namespace

Modules: ReferenceExtractor

Constant Summary collapse

EMPTY_ARRAY = 
[].freeze

Instance Method Summary collapse

Constructor Details

#initialize(root:, ignored_paths: [], concurrency: Etc.nprocessors) ⇒ StaticMap

Returns a new instance of StaticMap.



9
10
11
12
13
14
15
16
17
 
# File 'lib/fast_cov/static_map.rb', line 9

def initialize(root:, ignored_paths: [], concurrency: Etc.nprocessors)
  @root = share_path(root)
  @root_prefix = -"#{@root}/"
  @ignored_paths = normalize_ignored_paths(ignored_paths)
  @concurrency = concurrency
  @resolved_file_by_const = {}
  @closure_by_file = {}
  @graph = {}
end

Instance Method Details

#build(*patterns) ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
 
# File 'lib/fast_cov/static_map.rb', line 19

def build(*patterns)
  input_files = expand_files(patterns.flatten).select { |file| processable_file?(file) }

  queue = input_files.dup
  processed = {}

  until queue.empty?
    to_process = queue.reject { |f| processed[f] || @graph.key?(relativize(f)) }
    break if to_process.empty?

    to_process.each { |f| processed[f] = true }
    queue.clear

    # Stage 1: Parse files (parallel)
    parsed = parse_files(to_process)

    # Stage 2: Resolve unique constants (sequential — GVL-bound)
    resolve_candidates(parsed)

    # Stage 3: Build graph edges, discover new files
    parsed.each do |file, groups|
      deps = resolve_dependencies(file, groups)
      relative_file = relativize(file)
      @graph[relative_file] = deps.empty? ? EMPTY_ARRAY : deps.map { |d| relativize(d) }.freeze

      deps.each do |dep|
        queue << dep unless processed[dep] || @graph.key?(relativize(dep))
      end
    end
  end

  input_files.flat_map { |file| dependencies(file) }.uniq
end

#dependencies(file) ⇒ Object 



61
62
63
64
 
# File 'lib/fast_cov/static_map.rb', line 61

def dependencies(file)
  file = relativize_input(file)
  resolve_transitive_dependencies(file)
end

#direct_dependencies(file) ⇒ Object 



57
58
59
 
# File 'lib/fast_cov/static_map.rb', line 57

def direct_dependencies(file)
  @graph.fetch(relativize_input(file), EMPTY_ARRAY)
end

#direct_graph ⇒ Object 



53
54
55
 
# File 'lib/fast_cov/static_map.rb', line 53

def direct_graph
  @graph
end