godot/core/debugger/engine_debugger.h

/*************************************************************************/
/*  engine_debugger.h                                                    */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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#ifndef ENGINE_DEBUGGER_H
#define ENGINE_DEBUGGER_H

#include "core/array.h"
#include "core/map.h"
#include "core/string_name.h"
#include "core/ustring.h"
#include "core/variant.h"
#include "core/vector.h"

class ScriptDebugger;

class EngineDebugger {
public:
	typedef void (*ProfilingToggle)(void *p_user, bool p_enable, const Array &p_opts);
	typedef void (*ProfilingTick)(void *p_user, float p_frame_time, float p_idle_time, float p_physics_time, float p_physics_frame_time);
	typedef void (*ProfilingAdd)(void *p_user, const Array &p_arr);
	typedef Error (*CaptureFunc)(void *p_user, const String &p_msg, const Array &p_args, bool &r_captured);

	class Profiler {
		friend class EngineDebugger;

		ProfilingToggle toggle = nullptr;
		ProfilingAdd add = nullptr;
		ProfilingTick tick = nullptr;
		void *data = nullptr;
		bool active = false;

	public:
		Profiler() {}
		Profiler(void *p_data, ProfilingToggle p_toggle, ProfilingAdd p_add, ProfilingTick p_tick) {
			data = p_data;
			toggle = p_toggle;
			add = p_add;
			tick = p_tick;
		}
	};

	class Capture {
		friend class EngineDebugger;

		CaptureFunc capture = nullptr;
		void *data = nullptr;

	public:
		Capture() {}
		Capture(void *p_data, CaptureFunc p_capture) {
			data = p_data;
			capture = p_capture;
		}
	};

private:
	float frame_time = 0.0;
	float idle_time = 0.0;
	float physics_time = 0.0;
	float physics_frame_time = 0.0;

	uint32_t poll_every = 0;

protected:
	static EngineDebugger *singleton;
	static ScriptDebugger *script_debugger;

	static Map<StringName, Profiler> profilers;
	static Map<StringName, Capture> captures;

public:
	_FORCE_INLINE_ static EngineDebugger *get_singleton() { return singleton; }
	_FORCE_INLINE_ static bool is_active() { return singleton != nullptr && script_debugger != nullptr; }

	_FORCE_INLINE_ static ScriptDebugger *get_script_debugger() { return script_debugger; };

	static void initialize(const String &p_uri, bool p_skip_breakpoints, Vector<String> p_breakpoints);
	static void deinitialize();
	static void register_profiler(const StringName &p_name, const Profiler &p_profiler);
	static void unregister_profiler(const StringName &p_name);
	static bool is_profiling(const StringName &p_name);
	static bool has_profiler(const StringName &p_name);
	static void profiler_add_frame_data(const StringName &p_name, const Array &p_data);

	static void register_message_capture(const StringName &p_name, Capture p_func);
	static void unregister_message_capture(const StringName &p_name);
	static bool has_capture(const StringName &p_name);

	void iteration(uint64_t p_frame_ticks, uint64_t p_idle_ticks, uint64_t p_physics_ticks, float p_physics_frame_time);
	void profiler_enable(const StringName &p_name, bool p_enabled, const Array &p_opts = Array());
	Error capture_parse(const StringName &p_name, const String &p_msg, const Array &p_args, bool &r_captured);

	void line_poll();

	virtual void poll_events(bool p_is_idle) {}
	virtual void send_message(const String &p_msg, const Array &p_data) = 0;
	virtual void send_error(const String &p_func, const String &p_file, int p_line, const String &p_err, const String &p_descr, ErrorHandlerType p_type) = 0;
	virtual void debug(bool p_can_continue = true, bool p_is_error_breakpoint = false) = 0;

	virtual ~EngineDebugger();
};

#endif // ENGINE_DEBUGGER_H