Add latest changes from gitlab-org/gitlab@master

1 files changed, 37 insertions, 9 deletions

diff --git a/app/services/projects/lsif_data_service.rb b/app/services/projects/lsif_data_service.rb
index 00103f364bf..1282a0736e7 100644
--- a/app/services/projects/lsif_data_service.rb
+++ b/app/services/projects/lsif_data_service.rb
@@ -2,7 +2,8 @@
 
 module Projects
   class LsifDataService
-    attr_reader :file, :project, :path, :commit_id
+    attr_reader :file, :project, :path, :commit_id,
+      :docs, :doc_ranges, :ranges, :def_refs
 
     CACHE_EXPIRE_IN = 1.hour
 
@@ -14,19 +15,18 @@ module Projects
     end
 
     def execute
-      docs, doc_ranges, ranges =
-        fetch_data.values_at('docs', 'doc_ranges', 'ranges')
-
-      doc_id = doc_id_from(docs)
+      fetch_data!
 
       doc_ranges[doc_id]&.map do |range_id|
-        line_data, column_data = ranges[range_id]['loc']
+        location, ref_id = ranges[range_id].values_at('loc', 'ref_id')
+        line_data, column_data = location
 
         {
           start_line: line_data.first,
           end_line: line_data.last,
           start_char: column_data.first,
-          end_char: column_data.last
+          end_char: column_data.last,
+          definition_url: definition_url_for(def_refs[ref_id])
         }
       end
     end
@@ -47,8 +47,17 @@ module Projects
       end
     end
 
-    def doc_id_from(docs)
-      docs.reduce(nil) do |doc_id, (id, doc_path)|
+    def fetch_data!
+      data = fetch_data
+
+      @docs = data['docs']
+      @doc_ranges = data['doc_ranges']
+      @ranges = data['ranges']
+      @def_refs = data['def_refs']
+    end
+
+    def doc_id
+      @doc_id ||= docs.reduce(nil) do |doc_id, (id, doc_path)|
         next doc_id unless doc_path =~ /#{path}$/
 
         if doc_id.nil? || docs[doc_id].size > doc_path.size
@@ -58,5 +67,24 @@ module Projects
         doc_id
       end
     end
+
+    def dir_absolute_path
+      @dir_absolute_path ||= docs[doc_id]&.delete_suffix(path)
+    end
+
+    def definition_url_for(ref_id)
+      return unless range = ranges[ref_id]
+
+      def_doc_id, location = range.values_at('doc_id', 'loc')
+      localized_doc_url = docs[def_doc_id].delete_prefix(dir_absolute_path)
+
+      # location is stored as [[start_line, end_line], [start_char, end_char]]
+      start_line = location.first.first
+
+      line_anchor = "L#{start_line + 1}"
+      definition_ref_path = [commit_id, localized_doc_url].join('/')
+
+      Gitlab::Routing.url_helpers.project_blob_path(project, definition_ref_path, anchor: line_anchor)
+    end
   end
 end