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Code Releases Wiki Activity

Merge pull request #91006 from reduz/live-backtrace

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Ability to print and log script backtraces
This commit is contained in:
Thaddeus Crews
2025-04-24 17:18:52 -05:00
parent 500e0d5dc4 d1dcb40d56
commit 28089c40c1
32 changed files with 813 additions and 95 deletions
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57
modules/gdscript/gdscript.h
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@@ -458,6 +458,8 @@ class GDScriptLanguage : public ScriptLanguage {
static thread_local CallStack _call_stack;
int _debug_max_call_stack = 0;
bool track_call_stack = false;
bool track_locals = false;
void _add_global(const StringName &p_name, const Variant &p_value);
void _remove_global(const StringName &p_name);
@@ -490,37 +492,63 @@ public:
bool debug_break_parse(const String &p_file, int p_line, const String &p_error);
_FORCE_INLINE_ void enter_function(GDScriptInstance *p_instance, GDScriptFunction *p_function, Variant *p_stack, int *p_ip, int *p_line) {
if (!track_call_stack) {
return;
}
if (unlikely(_call_stack.levels == nullptr)) {
_call_stack.levels = memnew_arr(CallLevel, _debug_max_call_stack + 1);
}
if (EngineDebugger::get_script_debugger()->get_lines_left() > 0 && EngineDebugger::get_script_debugger()->get_depth() >= 0) {
EngineDebugger::get_script_debugger()->set_depth(EngineDebugger::get_script_debugger()->get_depth() + 1);
#ifdef DEBUG_ENABLED
ScriptDebugger *script_debugger = EngineDebugger::get_script_debugger();
if (script_debugger != nullptr && script_debugger->get_lines_left() > 0 && script_debugger->get_depth() >= 0) {
script_debugger->set_depth(script_debugger->get_depth() + 1);
}
#endif
if (_call_stack.stack_pos >= _debug_max_call_stack) {
//stack overflow
if (unlikely(_call_stack.stack_pos >= _debug_max_call_stack)) {
_debug_error = vformat("Stack overflow (stack size: %s). Check for infinite recursion in your script.", _debug_max_call_stack);
EngineDebugger::get_script_debugger()->debug(this);
#ifdef DEBUG_ENABLED
if (script_debugger != nullptr) {
script_debugger->debug(this);
}
#endif
return;
}
_call_stack.levels[_call_stack.stack_pos].stack = p_stack;
_call_stack.levels[_call_stack.stack_pos].instance = p_instance;
_call_stack.levels[_call_stack.stack_pos].function = p_function;
_call_stack.levels[_call_stack.stack_pos].ip = p_ip;
_call_stack.levels[_call_stack.stack_pos].line = p_line;
CallLevel &call_level = _call_stack.levels[_call_stack.stack_pos];
call_level.stack = p_stack;
call_level.instance = p_instance;
call_level.function = p_function;
call_level.ip = p_ip;
call_level.line = p_line;
_call_stack.stack_pos++;
}
_FORCE_INLINE_ void exit_function() {
if (EngineDebugger::get_script_debugger()->get_lines_left() > 0 && EngineDebugger::get_script_debugger()->get_depth() >= 0) {
EngineDebugger::get_script_debugger()->set_depth(EngineDebugger::get_script_debugger()->get_depth() - 1);
if (!track_call_stack) {
return;
}
if (_call_stack.stack_pos == 0) {
#ifdef DEBUG_ENABLED
ScriptDebugger *script_debugger = EngineDebugger::get_script_debugger();
if (script_debugger != nullptr && script_debugger->get_lines_left() > 0 && script_debugger->get_depth() >= 0) {
script_debugger->set_depth(script_debugger->get_depth() - 1);
}
#endif
if (unlikely(_call_stack.stack_pos == 0)) {
_debug_error = "Stack Underflow (Engine Bug)";
EngineDebugger::get_script_debugger()->debug(this);
#ifdef DEBUG_ENABLED
if (script_debugger != nullptr) {
script_debugger->debug(this);
}
#endif
return;
}
@@ -554,6 +582,7 @@ public:
} strings;
_FORCE_INLINE_ bool should_track_locals() const { return track_locals; }
_FORCE_INLINE_ int get_global_array_size() const { return global_array.size(); }
_FORCE_INLINE_ Variant *get_global_array() { return _global_array; }
_FORCE_INLINE_ const HashMap<StringName, int> &get_global_map() const { return globals; }