Don't use location cache if not needed

include/extractor/extractor_config.hpp

@@ -68,7 +68,8 @@ struct ExtractorConfig final : storage::IOConfig
                                       ".osrm.icd",
                                       ".osrm.cnbg",
                                       ".osrm.cnbg_to_ebg"}),
-                                 requested_num_threads(0)
+                                 requested_num_threads(0),
+                                 use_locations_cache(true)
     {
     }
 
@@ -88,6 +89,7 @@ struct ExtractorConfig final : storage::IOConfig
 
     bool use_metadata;
     bool parse_conditionals;
+    bool use_locations_cache;
 };
 }
 }

include/extractor/scripting_environment.hpp

@@ -70,6 +70,8 @@ class ScriptingEnvironment
         std::vector<std::pair<const osmium::Way &, ExtractionWay>> &resulting_ways,
         std::vector<std::pair<const osmium::Relation &, ExtractionRelation>> &resulting_relations,
         std::vector<InputConditionalTurnRestriction> &resulting_restrictions) = 0;
+
+    virtual bool HasLocationDependentData() const = 0;
 };
 }
 }

include/extractor/scripting_environment_lua.hpp

@@ -91,6 +91,8 @@ class Sol2ScriptingEnvironment final : public ScriptingEnvironment
         std::vector<std::pair<const osmium::Relation &, ExtractionRelation>> &resulting_relations,
         std::vector<InputConditionalTurnRestriction> &resulting_restrictions) override;
 
+    bool HasLocationDependentData() const { return !location_dependent_data.empty(); }
+
   private:
     LuaScriptingContext &GetSol2Context();