Merge pull request godotengine#102298 from Repiteo/style/pragma-once

Replace header guards style with `#pragma once`

.git-blame-ignore-revs

@@ -69,3 +69,6 @@ e06d83860d798b6766b23d6eae48557387a7db85
 
 # Style: Enforce trailing newlines on svgs
 7e5baa042639ffa835271703c720e2595e90afb8
+
+# Style: Replace header guards with `#pragma once`
+324512e11c1b7663c3cf47bec6ddbe65c6b8db2b

.pre-commit-config.yaml

@@ -154,7 +154,6 @@ repos:
         language: python
         entry: python misc/scripts/header_guards.py
         files: \.(h|hpp|hh|hxx)$
-        exclude: ^.*/(dummy|thread|platform_config|platform_gl)\.h$
 
       - id: file-format
         name: file-format

core/config/engine.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef ENGINE_H
-#define ENGINE_H
+#pragma once
 
 #include "core/os/main_loop.h"
 #include "core/string/ustring.h"
@@ -214,5 +213,3 @@ class Engine {
 	Engine();
 	virtual ~Engine();
 };
-
-#endif // ENGINE_H

core/config/project_settings.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef PROJECT_SETTINGS_H
-#define PROJECT_SETTINGS_H
+#pragma once
 
 #include "core/object/class_db.h"
 
@@ -243,5 +242,3 @@ Variant _GLOBAL_DEF(const PropertyInfo &p_info, const Variant &p_default, bool p
 #define GLOBAL_DEF_RST_NOVAL_BASIC(m_var, m_value) _GLOBAL_DEF(m_var, m_value, true, true, true)
 
 #define GLOBAL_DEF_INTERNAL(m_var, m_value) _GLOBAL_DEF(m_var, m_value, false, false, false, true)
-
-#endif // PROJECT_SETTINGS_H

core/core_bind.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef CORE_BIND_H
-#define CORE_BIND_H
+#pragma once
 
 #include "core/debugger/engine_profiler.h"
 #include "core/io/resource_loader.h"
@@ -670,5 +669,3 @@ VARIANT_ENUM_CAST(core_bind::Geometry2D::PolyEndType);
 VARIANT_ENUM_CAST(core_bind::Thread::Priority);
 
 VARIANT_ENUM_CAST(core_bind::special::ClassDB::APIType);
-
-#endif // CORE_BIND_H

core/core_constants.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef CORE_CONSTANTS_H
-#define CORE_CONSTANTS_H
+#pragma once
 
 #include "core/string/string_name.h"
 #include "core/templates/hash_map.h"
@@ -47,5 +46,3 @@ class CoreConstants {
 	static bool is_global_enum(const StringName &p_enum);
 	static void get_enum_values(const StringName &p_enum, HashMap<StringName, int64_t> *p_values);
 };
-
-#endif // CORE_CONSTANTS_H

core/core_globals.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef CORE_GLOBALS_H
-#define CORE_GLOBALS_H
+#pragma once
 
 // Home for state needed from global functions
 // that cannot be stored in Engine or OS due to e.g. circular includes
@@ -40,5 +39,3 @@ class CoreGlobals {
 	static bool print_line_enabled;
 	static bool print_error_enabled;
 };
-
-#endif // CORE_GLOBALS_H

core/core_string_names.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef CORE_STRING_NAMES_H
-#define CORE_STRING_NAMES_H
+#pragma once
 
 #include "core/string/string_name.h"
 
@@ -87,5 +86,3 @@ class CoreStringNames {
 };
 
 #define CoreStringName(m_name) CoreStringNames::get_singleton()->m_name
-
-#endif // CORE_STRING_NAMES_H

core/crypto/aes_context.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef AES_CONTEXT_H
-#define AES_CONTEXT_H
+#pragma once
 
 #include "core/crypto/crypto_core.h"
 #include "core/object/ref_counted.h"
@@ -64,5 +63,3 @@ class AESContext : public RefCounted {
 };
 
 VARIANT_ENUM_CAST(AESContext::Mode);
-
-#endif // AES_CONTEXT_H

core/crypto/crypto.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef CRYPTO_H
-#define CRYPTO_H
+#pragma once
 
 #include "core/crypto/hashing_context.h"
 #include "core/io/resource.h"
@@ -167,5 +166,3 @@ class ResourceFormatSaverCrypto : public ResourceFormatSaver {
 	virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;
 	virtual bool recognize(const Ref<Resource> &p_resource) const override;
 };
-
-#endif // CRYPTO_H

core/crypto/crypto_core.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef CRYPTO_CORE_H
-#define CRYPTO_CORE_H
+#pragma once
 
 #include "core/object/ref_counted.h"
 
@@ -115,5 +114,3 @@ class CryptoCore {
 	static Error sha1(const uint8_t *p_src, int p_src_len, unsigned char r_hash[20]);
 	static Error sha256(const uint8_t *p_src, int p_src_len, unsigned char r_hash[32]);
 };
-
-#endif // CRYPTO_CORE_H

core/crypto/hashing_context.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef HASHING_CONTEXT_H
-#define HASHING_CONTEXT_H
+#pragma once
 
 #include "core/object/ref_counted.h"
 
@@ -62,5 +61,3 @@ class HashingContext : public RefCounted {
 };
 
 VARIANT_ENUM_CAST(HashingContext::HashType);
-
-#endif // HASHING_CONTEXT_H

core/debugger/debugger_marshalls.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef DEBUGGER_MARSHALLS_H
-#define DEBUGGER_MARSHALLS_H
+#pragma once
 
 #include "core/input/shortcut.h"
 #include "core/object/script_language.h"
@@ -73,5 +72,3 @@ struct DebuggerMarshalls {
 	static Array serialize_key_shortcut(const Ref<Shortcut> &p_shortcut);
 	static Ref<Shortcut> deserialize_key_shortcut(const Array &p_keys);
 };
-
-#endif // DEBUGGER_MARSHALLS_H

core/debugger/engine_debugger.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef ENGINE_DEBUGGER_H
-#define ENGINE_DEBUGGER_H
+#pragma once
 
 #include "core/string/string_name.h"
 #include "core/string/ustring.h"
@@ -140,5 +139,3 @@ class EngineDebugger {
 
 	virtual ~EngineDebugger();
 };
-
-#endif // ENGINE_DEBUGGER_H

core/debugger/engine_profiler.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef ENGINE_PROFILER_H
-#define ENGINE_PROFILER_H
+#pragma once
 
 #include "core/object/gdvirtual.gen.inc"
 #include "core/object/ref_counted.h"
@@ -59,5 +58,3 @@ class EngineProfiler : public RefCounted {
 	EngineProfiler() {}
 	virtual ~EngineProfiler();
 };
-
-#endif // ENGINE_PROFILER_H

core/debugger/local_debugger.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef LOCAL_DEBUGGER_H
-#define LOCAL_DEBUGGER_H
+#pragma once
 
 #include "core/debugger/engine_debugger.h"
 #include "core/object/script_language.h"
@@ -55,5 +54,3 @@ class LocalDebugger : public EngineDebugger {
 	LocalDebugger();
 	~LocalDebugger();
 };
-
-#endif // LOCAL_DEBUGGER_H

core/debugger/remote_debugger.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef REMOTE_DEBUGGER_H
-#define REMOTE_DEBUGGER_H
+#pragma once
 
 #include "core/debugger/debugger_marshalls.h"
 #include "core/debugger/engine_debugger.h"
@@ -122,5 +121,3 @@ class RemoteDebugger : public EngineDebugger {
 	explicit RemoteDebugger(Ref<RemoteDebuggerPeer> p_peer);
 	~RemoteDebugger();
 };
-
-#endif // REMOTE_DEBUGGER_H

core/debugger/remote_debugger_peer.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef REMOTE_DEBUGGER_PEER_H
-#define REMOTE_DEBUGGER_PEER_H
+#pragma once
 
 #include "core/io/stream_peer_tcp.h"
 #include "core/object/ref_counted.h"
@@ -92,5 +91,3 @@ class RemoteDebuggerPeerTCP : public RemoteDebuggerPeer {
 	RemoteDebuggerPeerTCP(Ref<StreamPeerTCP> p_stream = Ref<StreamPeerTCP>());
 	~RemoteDebuggerPeerTCP();
 };
-
-#endif // REMOTE_DEBUGGER_PEER_H

core/debugger/script_debugger.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef SCRIPT_DEBUGGER_H
-#define SCRIPT_DEBUGGER_H
+#pragma once
 
 #include "core/object/script_language.h"
 #include "core/string/string_name.h"
@@ -82,5 +81,3 @@ class ScriptDebugger {
 	Vector<StackInfo> get_error_stack_info() const;
 	ScriptDebugger() {}
 };
-
-#endif // SCRIPT_DEBUGGER_H

core/doc_data.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef DOC_DATA_H
-#define DOC_DATA_H
+#pragma once
 
 #include "core/io/xml_parser.h"
 #include "core/variant/variant.h"
@@ -980,5 +979,3 @@ class DocData {
 	static void argument_doc_from_arginfo(DocData::ArgumentDoc &p_argument, const PropertyInfo &p_arginfo);
 	static void method_doc_from_methodinfo(DocData::MethodDoc &p_method, const MethodInfo &p_methodinfo, const String &p_desc);
 };
-
-#endif // DOC_DATA_H

core/error/error_list.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef ERROR_LIST_H
-#define ERROR_LIST_H
+#pragma once
 
 /** Error List. Please never compare an error against FAILED
  * Either do result != OK , or !result. This way, Error fail
@@ -98,5 +97,3 @@ enum Error {
 };
 
 extern const char *error_names[];
-
-#endif // ERROR_LIST_H

core/error/error_macros.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef ERROR_MACROS_H
-#define ERROR_MACROS_H
+#pragma once
 
 #include "core/object/object_id.h"
 #include "core/typedefs.h"
@@ -845,5 +844,3 @@ void _physics_interpolation_warning(const char *p_function, const char *p_file,
 
 #define PHYSICS_INTERPOLATION_WARNING(m_string) \
 	_physics_interpolation_warning(FUNCTION_STR, __FILE__, __LINE__, ObjectID(UINT64_MAX), m_string)
-
-#endif // ERROR_MACROS_H

core/extension/extension_api_dump.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef EXTENSION_API_DUMP_H
-#define EXTENSION_API_DUMP_H
+#pragma once
 
 #include "core/extension/gdextension.h"
 
@@ -42,5 +41,3 @@ class GDExtensionAPIDump {
 	static Error validate_extension_json_file(const String &p_path);
 };
 #endif
-
-#endif // EXTENSION_API_DUMP_H

core/extension/gdextension.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef GDEXTENSION_H
-#define GDEXTENSION_H
+#pragma once
 
 #include "core/extension/gdextension_interface.h"
 #include "core/extension/gdextension_loader.h"
@@ -226,5 +225,3 @@ class GDExtensionEditorHelp {
 };
 
 #endif // TOOLS_ENABLED
-
-#endif // GDEXTENSION_H

core/extension/gdextension_interface.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef GDEXTENSION_INTERFACE_H
-#define GDEXTENSION_INTERFACE_H
+#pragma once
 
 /* This is a C class header, you can copy it and use it directly in your own binders.
  * Together with the JSON file, you should be able to generate any binder.
@@ -3104,5 +3103,3 @@ typedef void (*GDExtensionsInterfaceEditorHelpLoadXmlFromUtf8CharsAndLen)(const
 #ifdef __cplusplus
 }
 #endif
-
-#endif // GDEXTENSION_INTERFACE_H

core/extension/gdextension_library_loader.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef GDEXTENSION_LIBRARY_LOADER_H
-#define GDEXTENSION_LIBRARY_LOADER_H
+#pragma once
 
 #include <functional>
 
@@ -81,5 +80,3 @@ class GDExtensionLibraryLoader : public GDExtensionLoader {
 
 	Error parse_gdextension_file(const String &p_path);
 };
-
-#endif // GDEXTENSION_LIBRARY_LOADER_H