Improve compilation time with include-what-you-use (core folder)

core/config/engine.cpp

@@ -31,10 +31,15 @@
 #include "engine.h"
 
 #include "core/authors.gen.h"
-#include "core/config/project_settings.h"
 #include "core/donors.gen.h"
+#include "core/error/error_macros.h"
 #include "core/license.gen.h"
+#include "core/object/object.h"
+#include "core/object/ref_counted.h"
+#include "core/string/print_string.h"
+#include "core/variant/variant.h"
 #include "core/version.h"
+#include "core/version_generated.gen.h"
 #include "core/version_hash.gen.h"
 
 void Engine::set_physics_ticks_per_second(int p_ips) {

core/config/engine.h

@@ -31,10 +31,19 @@
 #ifndef ENGINE_H
 #define ENGINE_H
 
+#include <stdint.h>
+
 #include "core/os/main_loop.h"
+#include "core/string/string_name.h"
 #include "core/string/ustring.h"
 #include "core/templates/list.h"
+#include "core/templates/map.h"
 #include "core/templates/vector.h"
+#include "core/typedefs.h"
+#include "core/variant/array.h"
+#include "core/variant/dictionary.h"
+
+class Object;
 
 class Engine {
 public:

core/config/project_settings.cpp

@@ -30,20 +30,27 @@
 
 #include "project_settings.h"
 
-#include "core/core_bind.h" // For Compression enum.
+#include "core/config/engine.h"
 #include "core/core_string_names.h"
+#include "core/error/error_macros.h"
+#include "core/input/input_event.h"
 #include "core/input/input_map.h"
+#include "core/io/compression.h"
 #include "core/io/dir_access.h"
 #include "core/io/file_access.h"
 #include "core/io/file_access_network.h"
 #include "core/io/file_access_pack.h"
 #include "core/io/marshalls.h"
-#include "core/os/keyboard.h"
+#include "core/object/class_db.h"
+#include "core/object/ref_counted.h"
+#include "core/os/memory.h"
 #include "core/os/os.h"
+#include "core/templates/pair.h"
+#include "core/variant/array.h"
+#include "core/variant/dictionary.h"
 #include "core/variant/variant_parser.h"
 #include "core/version.h"
-
-#include "modules/modules_enabled.gen.h" // For mono.
+#include "core/version_generated.gen.h"
 
 const String ProjectSettings::PROJECT_DATA_DIR_NAME_SUFFIX = "godot";
 

core/config/project_settings.h

@@ -31,10 +31,23 @@
 #ifndef PROJECT_SETTINGS_H
 #define PROJECT_SETTINGS_H
 
+#include <stdint.h>
+
+#include "core/error/error_list.h"
 #include "core/object/class_db.h"
+#include "core/object/object.h"
 #include "core/os/thread_safe.h"
+#include "core/string/string_name.h"
+#include "core/string/ustring.h"
+#include "core/templates/list.h"
+#include "core/templates/map.h"
 #include "core/templates/ordered_hash_map.h"
 #include "core/templates/set.h"
+#include "core/templates/vector.h"
+#include "core/typedefs.h"
+#include "core/variant/variant.h"
+
+class Dictionary;
 
 class ProjectSettings : public Object {
 	GDCLASS(ProjectSettings, Object);

core/core_bind.cpp

@@ -30,16 +30,38 @@
 
 #include "core_bind.h"
 
+#include <stddef.h>
+#include <initializer_list>
+
+#include "core/config/engine.h"
 #include "core/config/project_settings.h"
 #include "core/crypto/crypto_core.h"
 #include "core/debugger/engine_debugger.h"
+#include "core/error/error_macros.h"
+#include "core/io/dir_access.h"
+#include "core/io/file_access.h"
 #include "core/io/file_access_compressed.h"
 #include "core/io/file_access_encrypted.h"
+#include "core/io/image.h"
 #include "core/io/marshalls.h"
+#include "core/io/resource_loader.h"
+#include "core/io/resource_saver.h"
 #include "core/math/geometry_2d.h"
 #include "core/math/geometry_3d.h"
+#include "core/math/vector2i.h"
+#include "core/object/class_db.h"
+#include "core/object/method_bind.h"
+#include "core/object/object_id.h"
+#include "core/object/script_language.h"
 #include "core/os/keyboard.h"
+#include "core/os/memory.h"
 #include "core/os/os.h"
+#include "core/string/print_string.h"
+#include "core/templates/list.h"
+#include "core/templates/pair.h"
+#include "core/typedefs.h"
+
+struct Plane;
 
 namespace core_bind {
 

core/core_bind.h

@@ -31,18 +31,42 @@
 #ifndef CORE_BIND_H
 #define CORE_BIND_H
 
+#include <stdint.h>
+
+#include "core/error/error_list.h"
 #include "core/io/compression.h"
 #include "core/io/dir_access.h"
 #include "core/io/file_access.h"
 #include "core/io/image.h"
+#include "core/io/resource.h"
 #include "core/io/resource_loader.h"
 #include "core/io/resource_saver.h"
+#include "core/io/resource_uid.h"
+#include "core/math/math_defs.h"
+#include "core/math/vector2.h"
+#include "core/math/vector3.h"
+#include "core/object/object.h"
+#include "core/object/ref_counted.h"
+#include "core/os/keyboard.h"
+#include "core/os/mutex.h"
 #include "core/os/os.h"
 #include "core/os/semaphore.h"
 #include "core/os/thread.h"
+#include "core/string/string_name.h"
+#include "core/string/ustring.h"
+#include "core/templates/map.h"
 #include "core/templates/safe_refcount.h"
+#include "core/templates/vector.h"
+#include "core/variant/array.h"
+#include "core/variant/binder_common.h"
+#include "core/variant/callable.h"
+#include "core/variant/dictionary.h"
+#include "core/variant/variant.h"
 
 class MainLoop;
+class DirAccess;
+class FileAccess;
+struct Plane;
 
 namespace core_bind {
 

core/core_constants.cpp

@@ -30,10 +30,16 @@
 
 #include "core_constants.h"
 
-#include "core/input/input_event.h"
+#include "core/error/error_list.h"
+#include "core/input/input_enums.h"
+#include "core/math/math_defs.h"
 #include "core/multiplayer/multiplayer.h"
-#include "core/object/class_db.h"
+#include "core/object/method_bind.h"
+#include "core/object/object.h"
 #include "core/os/keyboard.h"
+#include "core/templates/vector.h"
+#include "core/typedefs.h"
+#include "core/variant/type_info.h"
 #include "core/variant/variant.h"
 
 struct _CoreConstant {

core/core_string_names.h

@@ -31,7 +31,9 @@
 #ifndef CORE_STRING_NAMES_H
 #define CORE_STRING_NAMES_H
 
+#include "core/os/memory.h"
 #include "core/string/string_name.h"
+#include "core/typedefs.h"
 
 class CoreStringNames {
 	friend void register_core_types();

core/crypto/aes_context.cpp

@@ -30,6 +30,11 @@
 
 #include "core/crypto/aes_context.h"
 
+#include <stdint.h>
+
+#include "core/error/error_macros.h"
+#include "core/object/class_db.h"
+
 Error AESContext::start(Mode p_mode, PackedByteArray p_key, PackedByteArray p_iv) {
 	ERR_FAIL_COND_V_MSG(mode != MODE_MAX, ERR_ALREADY_IN_USE, "AESContext already started. Call 'finish' before starting a new one.");
 	ERR_FAIL_COND_V_MSG(p_mode < 0 || p_mode >= MODE_MAX, ERR_INVALID_PARAMETER, "Invalid mode requested.");

core/crypto/aes_context.h

@@ -32,7 +32,11 @@
 #define AES_CONTEXT_H
 
 #include "core/crypto/crypto_core.h"
+#include "core/error/error_list.h"
+#include "core/object/object.h"
 #include "core/object/ref_counted.h"
+#include "core/variant/binder_common.h"
+#include "core/variant/variant.h"
 
 class AESContext : public RefCounted {
 	GDCLASS(AESContext, RefCounted);

core/crypto/crypto.cpp

@@ -30,9 +30,8 @@
 
 #include "crypto.h"
 
-#include "core/config/engine.h"
-#include "core/io/certs_compressed.gen.h"
-#include "core/io/compression.h"
+#include "core/error/error_macros.h"
+#include "core/object/class_db.h"
 
 /// Resources
 

core/crypto/crypto.h

@@ -31,11 +31,19 @@
 #ifndef CRYPTO_H
 #define CRYPTO_H
 
+#include <stdint.h>
+
 #include "core/crypto/hashing_context.h"
+#include "core/error/error_list.h"
 #include "core/io/resource.h"
 #include "core/io/resource_loader.h"
 #include "core/io/resource_saver.h"
+#include "core/object/object.h"
 #include "core/object/ref_counted.h"
+#include "core/string/ustring.h"
+#include "core/templates/list.h"
+#include "core/templates/vector.h"
+#include "core/variant/variant.h"
 
 class CryptoKey : public Resource {
 	GDCLASS(CryptoKey, Resource);

core/crypto/crypto_core.cpp

@@ -36,6 +36,9 @@
 #include <mbedtls/sha1.h>
 #include <mbedtls/sha256.h>
 
+#include "core/os/memory.h"
+#include "core/templates/vector.h"
+
 // MD5
 CryptoCore::MD5Context::MD5Context() {
 	ctx = memalloc(sizeof(mbedtls_md5_context));

core/crypto/crypto_core.h

@@ -31,7 +31,12 @@
 #ifndef CRYPTO_CORE_H
 #define CRYPTO_CORE_H
 
+#include <stddef.h>
+#include <stdint.h>
+
+#include "core/error/error_list.h"
 #include "core/object/ref_counted.h"
+#include "core/string/ustring.h"
 
 class CryptoCore {
 public:

core/crypto/hashing_context.cpp

@@ -30,7 +30,13 @@
 
 #include "hashing_context.h"
 
+#include <stddef.h>
+#include <stdint.h>
+
 #include "core/crypto/crypto_core.h"
+#include "core/error/error_macros.h"
+#include "core/object/class_db.h"
+#include "core/os/memory.h"
 
 Error HashingContext::start(HashType p_type) {
 	ERR_FAIL_COND_V(ctx != nullptr, ERR_ALREADY_IN_USE);

core/crypto/hashing_context.h

@@ -31,7 +31,11 @@
 #ifndef HASHING_CONTEXT_H
 #define HASHING_CONTEXT_H
 
+#include "core/error/error_list.h"
+#include "core/object/object.h"
 #include "core/object/ref_counted.h"
+#include "core/variant/binder_common.h"
+#include "core/variant/variant.h"
 
 class HashingContext : public RefCounted {
 	GDCLASS(HashingContext, RefCounted);

core/debugger/debugger_marshalls.cpp

@@ -30,6 +30,8 @@
 
 #include "debugger_marshalls.h"
 
+#include "core/error/error_list.h"
+#include "core/error/error_macros.h"
 #include "core/io/marshalls.h"
 
 #define CHECK_SIZE(arr, expected, what) ERR_FAIL_COND_V_MSG((uint32_t)arr.size() < (uint32_t)(expected), false, String("Malformed ") + what + " message from script debugger, message too short. Expected size: " + itos(expected) + ", actual size: " + itos(arr.size()))

core/debugger/debugger_marshalls.h

@@ -31,7 +31,17 @@
 #ifndef DEBUGGER_MARSHARLLS_H
 #define DEBUGGER_MARSHARLLS_H
 
+#include <stdint.h>
+
+#include "core/object/object_id.h"
 #include "core/object/script_language.h"
+#include "core/string/string_name.h"
+#include "core/string/ustring.h"
+#include "core/templates/list.h"
+#include "core/templates/rid.h"
+#include "core/templates/vector.h"
+#include "core/variant/array.h"
+#include "core/variant/variant.h"
 #include "servers/rendering_server.h"
 
 struct DebuggerMarshalls {

core/debugger/engine_debugger.cpp

@@ -34,7 +34,11 @@
 #include "core/debugger/remote_debugger.h"
 #include "core/debugger/remote_debugger_peer.h"
 #include "core/debugger/script_debugger.h"
+#include "core/math/math_defs.h"
+#include "core/object/ref_counted.h"
+#include "core/os/memory.h"
 #include "core/os/os.h"
+#include "core/templates/pair.h"
 
 EngineDebugger *EngineDebugger::singleton = nullptr;
 ScriptDebugger *EngineDebugger::script_debugger = nullptr;

core/debugger/engine_debugger.h

@@ -31,10 +31,15 @@
 #ifndef ENGINE_DEBUGGER_H
 #define ENGINE_DEBUGGER_H
 
+#include <stdint.h>
+
+#include "core/error/error_list.h"
+#include "core/error/error_macros.h"
 #include "core/string/string_name.h"
 #include "core/string/ustring.h"
 #include "core/templates/map.h"
 #include "core/templates/vector.h"
+#include "core/typedefs.h"
 #include "core/variant/array.h"
 #include "core/variant/variant.h"
 

core/debugger/local_debugger.cpp

@@ -30,10 +30,24 @@
 
 #include "local_debugger.h"
 
+#include <stdint.h>
+
 #include "core/debugger/script_debugger.h"
+#include "core/math/math_defs.h"
+#include "core/object/script_language.h"
+#include "core/os/memory.h"
 #include "core/os/os.h"
+#include "core/string/print_string.h"
+#include "core/string/string_name.h"
+#include "core/templates/set.h"
+#include "core/templates/sort_array.h"
+#include "core/templates/vector.h"
+#include "core/typedefs.h"
+#include "core/variant/variant.h"
 #include "scene/main/scene_tree.h"
 
+class Array;
+
 struct LocalDebugger::ScriptsProfiler {
 	struct ProfileInfoSort {
 		bool operator()(const ScriptLanguage::ProfilingInfo &A, const ScriptLanguage::ProfilingInfo &B) const {