Merge pull request godotengine#105741 from bruvzg/scr_bt_crash

Print script backtrace in the crash handler.

Author: Repiteo

platform/linuxbsd/crash_handler_linuxbsd.cpp

@@ -31,6 +31,7 @@
 #include "crash_handler_linuxbsd.h"
 
 #include "core/config/project_settings.h"
+#include "core/object/script_language.h"
 #include "core/os/os.h"
 #include "core/string/print_string.h"
 #include "core/version.h"
@@ -146,6 +147,18 @@ static void handle_crash(int sig) {
 	print_error("-- END OF BACKTRACE --");
 	print_error("================================================================");
 
+	Vector<Ref<ScriptBacktrace>> script_backtraces;
+	if (ScriptServer::are_languages_initialized()) {
+		script_backtraces = ScriptServer::capture_script_backtraces(false);
+	}
+	if (!script_backtraces.is_empty()) {
+		for (const Ref<ScriptBacktrace> &backtrace : script_backtraces) {
+			print_error(backtrace->format());
+		}
+		print_error("-- END OF SCRIPT BACKTRACE --");
+		print_error("================================================================");
+	}
+
 	// Abort to pass the error to the OS
 	abort();
 }

platform/macos/crash_handler_macos.mm

@@ -31,6 +31,7 @@
 #import "crash_handler_macos.h"
 
 #include "core/config/project_settings.h"
+#include "core/object/script_language.h"
 #include "core/os/os.h"
 #include "core/string/print_string.h"
 #include "core/version.h"
@@ -177,6 +178,18 @@ static void handle_crash(int sig) {
 	print_error("-- END OF BACKTRACE --");
 	print_error("================================================================");
 
+	Vector<Ref<ScriptBacktrace>> script_backtraces;
+	if (ScriptServer::are_languages_initialized()) {
+		script_backtraces = ScriptServer::capture_script_backtraces(false);
+	}
+	if (!script_backtraces.is_empty()) {
+		for (const Ref<ScriptBacktrace> &backtrace : script_backtraces) {
+			print_error(backtrace->format());
+		}
+		print_error("-- END OF SCRIPT BACKTRACE --");
+		print_error("================================================================");
+	}
+
 	// Abort to pass the error to the OS
 	abort();
 }

platform/windows/crash_handler_windows_seh.cpp

@@ -31,6 +31,7 @@
 #include "crash_handler_windows.h"
 
 #include "core/config/project_settings.h"
+#include "core/object/script_language.h"
 #include "core/os/os.h"
 #include "core/string/print_string.h"
 #include "core/version.h"
@@ -230,6 +231,18 @@ DWORD CrashHandlerException(EXCEPTION_POINTERS *ep) {
 
 	SymCleanup(process);
 
+	Vector<Ref<ScriptBacktrace>> script_backtraces;
+	if (ScriptServer::are_languages_initialized()) {
+		script_backtraces = ScriptServer::capture_script_backtraces(false);
+	}
+	if (!script_backtraces.is_empty()) {
+		for (const Ref<ScriptBacktrace> &backtrace : script_backtraces) {
+			print_error(backtrace->format());
+		}
+		print_error("-- END OF SCRIPT BACKTRACE --");
+		print_error("================================================================");
+	}
+
 	// Pass the exception to the OS
 	return EXCEPTION_CONTINUE_SEARCH;
 }

platform/windows/crash_handler_windows_signal.cpp

@@ -31,6 +31,7 @@
 #include "crash_handler_windows.h"
 
 #include "core/config/project_settings.h"
+#include "core/object/script_language.h"
 #include "core/os/os.h"
 #include "core/string/print_string.h"
 #include "core/version.h"
@@ -183,6 +184,18 @@ extern void CrashHandlerException(int signal) {
 
 	print_error("-- END OF BACKTRACE --");
 	print_error("================================================================");
+
+	Vector<Ref<ScriptBacktrace>> script_backtraces;
+	if (ScriptServer::are_languages_initialized()) {
+		script_backtraces = ScriptServer::capture_script_backtraces(false);
+	}
+	if (!script_backtraces.is_empty()) {
+		for (const Ref<ScriptBacktrace> &backtrace : script_backtraces) {
+			print_error(backtrace->format());
+		}
+		print_error("-- END OF SCRIPT BACKTRACE --");
+		print_error("================================================================");
+	}
 }
 #endif