Run IWYU

* Change _ctype.h and __locale to cctype and clocale

* Change _wctype.h to cwctype in game.cpp

* Change __functional_base to functional

* Remove libcxx internal headers

* Remove UNIX system headers

* Fix clang-tidy error with -nostdinc++

src/achievement.cpp

@@ -2,6 +2,7 @@
 
 #include <cstdlib>
 #include <set>
+#include <string>
 #include <tuple>
 #include <utility>
 

src/achievement.h

@@ -1,22 +1,19 @@
 #ifndef CATA_SRC_ACHIEVEMENT_H
 #define CATA_SRC_ACHIEVEMENT_H
 
-#include <algorithm>
 #include <array>
 #include <functional>
-#include <list>
+#include <iosfwd>
 #include <memory>
-#include <string>
+#include <new>
 #include <unordered_map>
 #include <unordered_set>
 #include <vector>
 
 #include "calendar.h"
 #include "cata_variant.h"
-#include "enum_traits.h"
 #include "event_subscriber.h"
 #include "optional.h"
-#include "string_id.h"
 #include "translations.h"
 #include "type_id.h"
 

src/action.cpp

@@ -5,17 +5,19 @@
 #include <istream>
 #include <iterator>
 #include <memory>
+#include <new>
+#include <string>
 #include <utility>
 
 #include "avatar.h"
 #include "cached_options.h"
 #include "cata_utility.h"
 #include "character.h"
+#include "colony.h"
 #include "creature.h"
 #include "debug.h"
 #include "flag.h"
 #include "game.h"
-#include "iexamine.h"
 #include "input.h"
 #include "inventory.h"
 #include "item.h"

src/action.h

@@ -3,19 +3,19 @@
 #define CATA_SRC_ACTION_H
 
 #include <functional>
+#include <iosfwd>
 #include <map>
 #include <set>
-#include <string>
 #include <vector>
 
 namespace cata
 {
 template<typename T>
 class optional;
 } // namespace cata
-struct tripoint;
-struct point;
 struct input_event;
+struct point;
+struct tripoint;
 
 /**
  * Enumerates all discrete actions that can be performed by player

src/active_item_cache.h

@@ -2,7 +2,7 @@
 #ifndef CATA_SRC_ACTIVE_ITEM_CACHE_H
 #define CATA_SRC_ACTIVE_ITEM_CACHE_H
 
-#include <iosfwd>
+#include <cstddef>
 #include <list>
 #include <unordered_map>
 #include <vector>

src/activity_actor.cpp

@@ -1,30 +1,41 @@
 #include "activity_actor.h"
-#include "activity_actor_definitions.h"
 
+#include <algorithm>
 #include <array>
 #include <cmath>
+#include <cstddef>
+#include <cstdint>
 #include <functional>
 #include <list>
+#include <map>
+#include <new>
+#include <string>
+#include <type_traits>
 #include <utility>
+#include <vector>
 
 #include "action.h"
+#include "activity_actor_definitions.h"
 #include "activity_handlers.h" // put_into_vehicle_or_drop and drop_on_map
 #include "advanced_inv.h"
 #include "avatar.h"
 #include "avatar_action.h"
 #include "bodypart.h"
+#include "calendar.h"
 #include "character.h"
+#include "coordinates.h"
+#include "craft_command.h"
 #include "debug.h"
 #include "enums.h"
 #include "event.h"
 #include "event_bus.h"
 #include "flag.h"
-#include "flat_set.h"
 #include "game.h"
+#include "game_constants.h"
 #include "gates.h"
 #include "gun_mode.h"
+#include "handle_liquid.h"
 #include "iexamine.h"
-#include "int_id.h"
 #include "item.h"
 #include "item_contents.h"
 #include "item_group.h"
@@ -35,24 +46,32 @@
 #include "map.h"
 #include "map_iterator.h"
 #include "mapdata.h"
+#include "memory_fast.h"
 #include "messages.h"
+#include "monster.h"
 #include "morale_types.h"
+#include "mtype.h"
 #include "npc.h"
 #include "optional.h"
 #include "options.h"
 #include "output.h"
 #include "pickup.h"
+#include "pimpl.h"
 #include "player.h"
 #include "player_activity.h"
 #include "point.h"
 #include "ranged.h"
+#include "recipe.h"
+#include "requirements.h"
 #include "ret_val.h"
 #include "rng.h"
 #include "sounds.h"
+#include "string_formatter.h"
 #include "timed_event.h"
 #include "translations.h"
 #include "ui.h"
 #include "uistate.h"
+#include "units.h"
 #include "value_ptr.h"
 #include "vehicle.h"
 #include "vpart_position.h"

src/activity_actor.h

@@ -2,8 +2,8 @@
 #ifndef CATA_SRC_ACTIVITY_ACTOR_H
 #define CATA_SRC_ACTIVITY_ACTOR_H
 
+#include <iosfwd>
 #include <memory>
-#include <string>
 #include <unordered_map>
 
 #include "activity_type.h"

src/activity_handlers.cpp

@@ -3,7 +3,7 @@
 #include <algorithm>
 #include <climits>
 #include <cmath>
-#include <cstddef>
+#include <cstdlib>
 #include <iterator>
 #include <memory>
 #include <ostream>
@@ -31,24 +31,22 @@
 #include "color.h"
 #include "construction.h"
 #include "coordinates.h"
-#include "craft_command.h"
 #include "creature.h"
 #include "damage.h"
 #include "debug.h"
+#include "effect_source.h"
 #include "enums.h"
 #include "event.h"
 #include "event_bus.h"
 #include "fault.h"
 #include "field_type.h"
 #include "flag.h"
-#include "flat_set.h"
 #include "game.h"
 #include "game_constants.h"
 #include "game_inventory.h"
 #include "handle_liquid.h"
 #include "harvest.h"
 #include "iexamine.h"
-#include "int_id.h"
 #include "inventory.h"
 #include "item.h"
 #include "item_contents.h"
@@ -66,6 +64,7 @@
 #include "map_selector.h"
 #include "mapdata.h"
 #include "martialarts.h"
+#include "memory_fast.h"
 #include "messages.h"
 #include "mongroup.h"
 #include "monster.h"
@@ -82,20 +81,17 @@
 #include "point.h"
 #include "proficiency.h"
 #include "ranged.h"
-#include "recipe.h"
 #include "requirements.h"
 #include "ret_val.h"
 #include "rng.h"
 #include "skill.h"
 #include "sounds.h"
 #include "string_formatter.h"
-#include "string_id.h"
 #include "text_snippets.h"
 #include "translations.h"
 #include "type_id.h"
 #include "ui.h"
 #include "units.h"
-#include "units_fwd.h"
 #include "value_ptr.h"
 #include "veh_interact.h"
 #include "vehicle.h"

src/activity_handlers.h

@@ -5,6 +5,7 @@
 #include <functional>
 #include <list>
 #include <map>
+#include <new>
 #include <unordered_set>
 #include <vector>
 

src/activity_item_handling.cpp

@@ -1,19 +1,22 @@
+#include "activity_handlers.h" // IWYU pragma: associated
+
 #include <algorithm>
 #include <cmath>
+#include <cstddef>
 #include <cstdlib>
+#include <iosfwd>
 #include <list>
 #include <memory>
 #include <set>
 #include <string>
 #include <tuple>
+#include <type_traits>
 #include <utility>
 #include <vector>
 
-#include "activity_handlers.h" // IWYU pragma: associated
 #include "activity_type.h"
 #include "avatar.h"
 #include "calendar.h"
-#include "cata_assert.h"
 #include "character.h"
 #include "clzones.h"
 #include "colony.h"
@@ -25,15 +28,13 @@
 #include "field_type.h"
 #include "fire.h"
 #include "flag.h"
-#include "flat_set.h"
 #include "game.h"
 #include "game_constants.h"
 #include "iexamine.h"
-#include "int_id.h"
 #include "inventory.h"
 #include "item.h"
+#include "item_contents.h"
 #include "item_location.h"
-#include "item_pocket.h"
 #include "itype.h"
 #include "iuse.h"
 #include "line.h"
@@ -42,11 +43,9 @@
 #include "map_selector.h"
 #include "mapdata.h"
 #include "messages.h"
-#include "monster.h"
 #include "mtype.h"
 #include "npc.h"
 #include "optional.h"
-#include "output.h"
 #include "pickup.h"
 #include "player.h"
 #include "player_activity.h"
@@ -55,13 +54,10 @@
 #include "ret_val.h"
 #include "rng.h"
 #include "stomach.h"
-#include "string_formatter.h"
-#include "string_id.h"
 #include "temp_crafting_inventory.h"
 #include "translations.h"
 #include "trap.h"
 #include "units.h"
-#include "units_fwd.h"
 #include "value_ptr.h"
 #include "veh_type.h"
 #include "vehicle.h"

src/activity_type.cpp

@@ -1,8 +1,8 @@
 #include "activity_type.h"
 
-#include <algorithm>
 #include <functional>
 #include <map>
+#include <string>
 #include <unordered_map>
 #include <utility>
 
@@ -12,7 +12,6 @@
 #include "debug.h"
 #include "enum_conversions.h"
 #include "json.h"
-#include "player.h"
 #include "sounds.h"
 #include "string_formatter.h"
 #include "translations.h"

src/activity_type.h

@@ -2,14 +2,14 @@
 #ifndef CATA_SRC_ACTIVITY_TYPE_H
 #define CATA_SRC_ACTIVITY_TYPE_H
 
-#include <string>
+#include <iosfwd>
 
 #include "game_constants.h"
 #include "string_id.h"
 #include "translations.h"
 
-class activity_type;
 class JsonObject;
+class activity_type;
 class player;
 class player_activity;
 

src/addiction.cpp

@@ -3,6 +3,7 @@
 #include <algorithm>
 #include <cstdlib>
 #include <map>
+#include <string>
 #include <utility>
 
 #include "calendar.h"

src/addiction.h

@@ -2,13 +2,12 @@
 #ifndef CATA_SRC_ADDICTION_H
 #define CATA_SRC_ADDICTION_H
 
-#include <string>
+#include <iosfwd>
 
 #include "pldata.h"
 #include "type_id.h"
 
 class Character;
-class addiction;
 
 // Minimum intensity before effects are seen
 constexpr int MIN_ADDICTION_LEVEL = 3;