Zero initialize all pointer class and struct members

This prevents the pitfall of UB when checking if they have been
assigned something valid by comparing to nullptr.

9 files changed, 100 insertions, 100 deletions

diff --git a/modules/mono/mono_gd/gd_mono.h b/modules/mono/mono_gd/gd_mono.h
index aab0b31c37..51fd0f8483 100644
--- a/modules/mono/mono_gd/gd_mono.h
+++ b/modules/mono/mono_gd/gd_mono.h
@@ -94,16 +94,16 @@ private:
 
 	UnhandledExceptionPolicy unhandled_exception_policy;
 
-	MonoDomain *root_domain;
-	MonoDomain *scripts_domain;
+	MonoDomain *root_domain = nullptr;
+	MonoDomain *scripts_domain = nullptr;
 
 	HashMap<int32_t, HashMap<String, GDMonoAssembly *>> assemblies;
 
-	GDMonoAssembly *corlib_assembly;
-	GDMonoAssembly *project_assembly;
+	GDMonoAssembly *corlib_assembly = nullptr;
+	GDMonoAssembly *project_assembly = nullptr;
 #ifdef TOOLS_ENABLED
-	GDMonoAssembly *tools_assembly;
-	GDMonoAssembly *tools_project_editor_assembly;
+	GDMonoAssembly *tools_assembly = nullptr;
+	GDMonoAssembly *tools_project_editor_assembly = nullptr;
 #endif
 
 	LoadedApiAssembly core_api_assembly;
@@ -150,7 +150,7 @@ private:
 	void _init_godot_api_hashes();
 	void _init_exception_policy();
 
-	GDMonoLog *gdmono_log;
+	GDMonoLog *gdmono_log = nullptr;
 
 #if defined(WINDOWS_ENABLED) && defined(TOOLS_ENABLED)
 	MonoRegInfo mono_reg_info;
@@ -250,7 +250,7 @@ public:
 namespace gdmono {
 
 class ScopeDomain {
-	MonoDomain *prev_domain;
+	MonoDomain *prev_domain = nullptr;
 
 public:
 	ScopeDomain(MonoDomain *p_domain) {
@@ -270,7 +270,7 @@ public:
 };
 
 class ScopeExitDomainUnload {
-	MonoDomain *domain;
+	MonoDomain *domain = nullptr;
 
 public:
 	ScopeExitDomainUnload(MonoDomain *p_domain) :
diff --git a/modules/mono/mono_gd/gd_mono_assembly.h b/modules/mono/mono_gd/gd_mono_assembly.h
index b25d773be7..a96357b082 100644
--- a/modules/mono/mono_gd/gd_mono_assembly.h
+++ b/modules/mono/mono_gd/gd_mono_assembly.h
@@ -68,8 +68,8 @@ class GDMonoAssembly {
 	};
 
 	String name;
-	MonoImage *image;
-	MonoAssembly *assembly;
+	MonoImage *image = nullptr;
+	MonoAssembly *assembly = nullptr;
 
 	bool attrs_fetched = false;
 	MonoCustomAttrInfo *attributes = nullptr;
diff --git a/modules/mono/mono_gd/gd_mono_cache.h b/modules/mono/mono_gd/gd_mono_cache.h
index 49f47b0a15..4000342c94 100644
--- a/modules/mono/mono_gd/gd_mono_cache.h
+++ b/modules/mono/mono_gd/gd_mono_cache.h
@@ -41,91 +41,91 @@ struct CachedData {
 	// corlib classes
 
 	// Let's use the no-namespace format for these too
-	GDMonoClass *class_MonoObject; // object
-	GDMonoClass *class_bool; // bool
-	GDMonoClass *class_int8_t; // sbyte
-	GDMonoClass *class_int16_t; // short
-	GDMonoClass *class_int32_t; // int
-	GDMonoClass *class_int64_t; // long
-	GDMonoClass *class_uint8_t; // byte
-	GDMonoClass *class_uint16_t; // ushort
-	GDMonoClass *class_uint32_t; // uint
-	GDMonoClass *class_uint64_t; // ulong
-	GDMonoClass *class_float; // float
-	GDMonoClass *class_double; // double
-	GDMonoClass *class_String; // string
-	GDMonoClass *class_IntPtr; // System.IntPtr
-
-	GDMonoClass *class_System_Collections_IEnumerable;
-	GDMonoClass *class_System_Collections_ICollection;
-	GDMonoClass *class_System_Collections_IDictionary;
+	GDMonoClass *class_MonoObject = nullptr; // object
+	GDMonoClass *class_bool = nullptr; // bool
+	GDMonoClass *class_int8_t = nullptr; // sbyte
+	GDMonoClass *class_int16_t = nullptr; // short
+	GDMonoClass *class_int32_t = nullptr; // int
+	GDMonoClass *class_int64_t = nullptr; // long
+	GDMonoClass *class_uint8_t = nullptr; // byte
+	GDMonoClass *class_uint16_t = nullptr; // ushort
+	GDMonoClass *class_uint32_t = nullptr; // uint
+	GDMonoClass *class_uint64_t = nullptr; // ulong
+	GDMonoClass *class_float = nullptr; // float
+	GDMonoClass *class_double = nullptr; // double
+	GDMonoClass *class_String = nullptr; // string
+	GDMonoClass *class_IntPtr = nullptr; // System.IntPtr
+
+	GDMonoClass *class_System_Collections_IEnumerable = nullptr;
+	GDMonoClass *class_System_Collections_ICollection = nullptr;
+	GDMonoClass *class_System_Collections_IDictionary = nullptr;
 
 #ifdef DEBUG_ENABLED
-	GDMonoClass *class_System_Diagnostics_StackTrace;
+	GDMonoClass *class_System_Diagnostics_StackTrace = nullptr;
 	GDMonoMethodThunkR<MonoArray *, MonoObject *> methodthunk_System_Diagnostics_StackTrace_GetFrames;
-	GDMonoMethod *method_System_Diagnostics_StackTrace_ctor_bool;
-	GDMonoMethod *method_System_Diagnostics_StackTrace_ctor_Exception_bool;
+	GDMonoMethod *method_System_Diagnostics_StackTrace_ctor_bool = nullptr;
+	GDMonoMethod *method_System_Diagnostics_StackTrace_ctor_Exception_bool = nullptr;
 #endif
 
-	GDMonoClass *class_KeyNotFoundException;
+	GDMonoClass *class_KeyNotFoundException = nullptr;
 
-	MonoClass *rawclass_Dictionary;
+	MonoClass *rawclass_Dictionary = nullptr;
 	// -----------------------------------------------
 
-	GDMonoClass *class_Vector2;
-	GDMonoClass *class_Vector2i;
-	GDMonoClass *class_Rect2;
-	GDMonoClass *class_Rect2i;
-	GDMonoClass *class_Transform2D;
-	GDMonoClass *class_Vector3;
-	GDMonoClass *class_Vector3i;
-	GDMonoClass *class_Basis;
-	GDMonoClass *class_Quaternion;
-	GDMonoClass *class_Transform3D;
-	GDMonoClass *class_AABB;
-	GDMonoClass *class_Color;
-	GDMonoClass *class_Plane;
-	GDMonoClass *class_StringName;
-	GDMonoClass *class_NodePath;
-	GDMonoClass *class_RID;
-	GDMonoClass *class_GodotObject;
-	GDMonoClass *class_GodotResource;
-	GDMonoClass *class_Node;
-	GDMonoClass *class_Control;
-	GDMonoClass *class_Node3D;
-	GDMonoClass *class_WeakRef;
-	GDMonoClass *class_Callable;
-	GDMonoClass *class_SignalInfo;
-	GDMonoClass *class_Array;
-	GDMonoClass *class_Dictionary;
-	GDMonoClass *class_MarshalUtils;
-	GDMonoClass *class_ISerializationListener;
+	GDMonoClass *class_Vector2 = nullptr;
+	GDMonoClass *class_Vector2i = nullptr;
+	GDMonoClass *class_Rect2 = nullptr;
+	GDMonoClass *class_Rect2i = nullptr;
+	GDMonoClass *class_Transform2D = nullptr;
+	GDMonoClass *class_Vector3 = nullptr;
+	GDMonoClass *class_Vector3i = nullptr;
+	GDMonoClass *class_Basis = nullptr;
+	GDMonoClass *class_Quaternion = nullptr;
+	GDMonoClass *class_Transform3D = nullptr;
+	GDMonoClass *class_AABB = nullptr;
+	GDMonoClass *class_Color = nullptr;
+	GDMonoClass *class_Plane = nullptr;
+	GDMonoClass *class_StringName = nullptr;
+	GDMonoClass *class_NodePath = nullptr;
+	GDMonoClass *class_RID = nullptr;
+	GDMonoClass *class_GodotObject = nullptr;
+	GDMonoClass *class_GodotResource = nullptr;
+	GDMonoClass *class_Node = nullptr;
+	GDMonoClass *class_Control = nullptr;
+	GDMonoClass *class_Node3D = nullptr;
+	GDMonoClass *class_WeakRef = nullptr;
+	GDMonoClass *class_Callable = nullptr;
+	GDMonoClass *class_SignalInfo = nullptr;
+	GDMonoClass *class_Array = nullptr;
+	GDMonoClass *class_Dictionary = nullptr;
+	GDMonoClass *class_MarshalUtils = nullptr;
+	GDMonoClass *class_ISerializationListener = nullptr;
 
 #ifdef DEBUG_ENABLED
-	GDMonoClass *class_DebuggingUtils;
+	GDMonoClass *class_DebuggingUtils = nullptr;
 	GDMonoMethodThunk<MonoObject *, MonoString **, int *, MonoString **> methodthunk_DebuggingUtils_GetStackFrameInfo;
 #endif
 
-	GDMonoClass *class_ExportAttribute;
-	GDMonoField *field_ExportAttribute_hint;
-	GDMonoField *field_ExportAttribute_hintString;
-	GDMonoClass *class_SignalAttribute;
-	GDMonoClass *class_ToolAttribute;
-	GDMonoClass *class_AnyPeerAttribute;
-	GDMonoClass *class_AuthorityAttribute;
-	GDMonoClass *class_GodotMethodAttribute;
-	GDMonoField *field_GodotMethodAttribute_methodName;
-	GDMonoClass *class_ScriptPathAttribute;
-	GDMonoField *field_ScriptPathAttribute_path;
-	GDMonoClass *class_AssemblyHasScriptsAttribute;
-	GDMonoField *field_AssemblyHasScriptsAttribute_requiresLookup;
-	GDMonoField *field_AssemblyHasScriptsAttribute_scriptTypes;
-
-	GDMonoField *field_GodotObject_ptr;
-	GDMonoField *field_StringName_ptr;
-	GDMonoField *field_NodePath_ptr;
-	GDMonoField *field_Image_ptr;
-	GDMonoField *field_RID_ptr;
+	GDMonoClass *class_ExportAttribute = nullptr;
+	GDMonoField *field_ExportAttribute_hint = nullptr;
+	GDMonoField *field_ExportAttribute_hintString = nullptr;
+	GDMonoClass *class_SignalAttribute = nullptr;
+	GDMonoClass *class_ToolAttribute = nullptr;
+	GDMonoClass *class_AnyPeerAttribute = nullptr;
+	GDMonoClass *class_AuthorityAttribute = nullptr;
+	GDMonoClass *class_GodotMethodAttribute = nullptr;
+	GDMonoField *field_GodotMethodAttribute_methodName = nullptr;
+	GDMonoClass *class_ScriptPathAttribute = nullptr;
+	GDMonoField *field_ScriptPathAttribute_path = nullptr;
+	GDMonoClass *class_AssemblyHasScriptsAttribute = nullptr;
+	GDMonoField *field_AssemblyHasScriptsAttribute_requiresLookup = nullptr;
+	GDMonoField *field_AssemblyHasScriptsAttribute_scriptTypes = nullptr;
+
+	GDMonoField *field_GodotObject_ptr = nullptr;
+	GDMonoField *field_StringName_ptr = nullptr;
+	GDMonoField *field_NodePath_ptr = nullptr;
+	GDMonoField *field_Image_ptr = nullptr;
+	GDMonoField *field_RID_ptr = nullptr;
 
 	GDMonoMethodThunk<MonoObject *> methodthunk_GodotObject_Dispose;
 	GDMonoMethodThunkR<Array *, MonoObject *> methodthunk_Array_GetPtr;
diff --git a/modules/mono/mono_gd/gd_mono_class.h b/modules/mono/mono_gd/gd_mono_class.h
index bfb5797d4b..b32d561f61 100644
--- a/modules/mono/mono_gd/gd_mono_class.h
+++ b/modules/mono/mono_gd/gd_mono_class.h
@@ -70,11 +70,11 @@ class GDMonoClass {
 	StringName namespace_name;
 	StringName class_name;
 
-	MonoClass *mono_class;
-	GDMonoAssembly *assembly;
+	MonoClass *mono_class = nullptr;
+	GDMonoAssembly *assembly = nullptr;
 
 	bool attrs_fetched;
-	MonoCustomAttrInfo *attributes;
+	MonoCustomAttrInfo *attributes = nullptr;
 
 	// This contains both the original method names and remapped method names from the native Godot identifiers to the C# functions.
 	// Most method-related functions refer to this and it's possible this is unintuitive for outside users; this may be a prime location for refactoring or renaming.
diff --git a/modules/mono/mono_gd/gd_mono_field.h b/modules/mono/mono_gd/gd_mono_field.h
index abcdef378c..87ef245f3f 100644
--- a/modules/mono/mono_gd/gd_mono_field.h
+++ b/modules/mono/mono_gd/gd_mono_field.h
@@ -36,14 +36,14 @@
 #include "i_mono_class_member.h"
 
 class GDMonoField : public IMonoClassMember {
-	GDMonoClass *owner;
-	MonoClassField *mono_field;
+	GDMonoClass *owner = nullptr;
+	MonoClassField *mono_field = nullptr;
 
 	StringName name;
 	ManagedType type;
 
 	bool attrs_fetched;
-	MonoCustomAttrInfo *attributes;
+	MonoCustomAttrInfo *attributes = nullptr;
 
 public:
 	virtual GDMonoClass *get_enclosing_class() const final { return owner; }
diff --git a/modules/mono/mono_gd/gd_mono_marshal.h b/modules/mono/mono_gd/gd_mono_marshal.h
index 20d4743e5c..eb33c6119e 100644
--- a/modules/mono/mono_gd/gd_mono_marshal.h
+++ b/modules/mono/mono_gd/gd_mono_marshal.h
@@ -196,14 +196,14 @@ PackedVector3Array mono_array_to_PackedVector3Array(MonoArray *p_array);
 #pragma pack(push, 1)
 
 struct M_Callable {
-	MonoObject *target;
-	MonoObject *method_string_name;
-	MonoDelegate *delegate;
+	MonoObject *target = nullptr;
+	MonoObject *method_string_name = nullptr;
+	MonoDelegate *delegate = nullptr;
 };
 
 struct M_SignalInfo {
-	MonoObject *owner;
-	MonoObject *name_string_name;
+	MonoObject *owner = nullptr;
+	MonoObject *name_string_name = nullptr;
 };
 
 #pragma pack(pop)
diff --git a/modules/mono/mono_gd/gd_mono_method.h b/modules/mono/mono_gd/gd_mono_method.h
index 6e87a60ee2..be11ef5bfe 100644
--- a/modules/mono/mono_gd/gd_mono_method.h
+++ b/modules/mono/mono_gd/gd_mono_method.h
@@ -54,7 +54,7 @@ class GDMonoMethod : public IMonoClassMember {
 
 	friend class GDMonoClass;
 
-	MonoMethod *mono_method;
+	MonoMethod *mono_method = nullptr;
 
 public:
 	virtual GDMonoClass *get_enclosing_class() const final;
diff --git a/modules/mono/mono_gd/gd_mono_property.h b/modules/mono/mono_gd/gd_mono_property.h
index 003bcf05e1..6fc681aeb5 100644
--- a/modules/mono/mono_gd/gd_mono_property.h
+++ b/modules/mono/mono_gd/gd_mono_property.h
@@ -36,14 +36,14 @@
 #include "i_mono_class_member.h"
 
 class GDMonoProperty : public IMonoClassMember {
-	GDMonoClass *owner;
-	MonoProperty *mono_property;
+	GDMonoClass *owner = nullptr;
+	MonoProperty *mono_property = nullptr;
 
 	StringName name;
 	ManagedType type;
 
 	bool attrs_fetched;
-	MonoCustomAttrInfo *attributes;
+	MonoCustomAttrInfo *attributes = nullptr;
 
 	unsigned int param_buffer_size;
 
diff --git a/modules/mono/mono_gd/gd_mono_wasm_m2n.h b/modules/mono/mono_gd/gd_mono_wasm_m2n.h
index 68299aa984..83e2750e5a 100644
--- a/modules/mono/mono_gd/gd_mono_wasm_m2n.h
+++ b/modules/mono/mono_gd/gd_mono_wasm_m2n.h
@@ -47,11 +47,11 @@ struct Mono_InterpMethodArguments {
 	size_t ilen;
 	void **iargs;
 	size_t flen;
-	double *fargs;
+	double *fargs = nullptr;
 	void **retval;
 	size_t is_float_ret;
 	//#ifdef TARGET_WASM
-	void *sig;
+	void *sig = nullptr;
 	//#endif
 };
 } // extern "C"