godot/editor/debugger/script_editor_debugger.cpp

/**************************************************************************/
/*  script_editor_debugger.cpp                                            */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
/* Permission is hereby granted, free of charge, to any person obtaining  */
/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
/* the following conditions:                                              */
/*                                                                        */
/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
/*                                                                        */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
/**************************************************************************/

#include "script_editor_debugger.h"

#include "core/config/project_settings.h"
#include "core/debugger/debugger_marshalls.h"
#include "core/debugger/remote_debugger.h"
#include "core/io/marshalls.h"
#include "core/string/ustring.h"
#include "core/version.h"
#include "editor/debugger/debug_adapter/debug_adapter_protocol.h"
#include "editor/debugger/editor_expression_evaluator.h"
#include "editor/debugger/editor_performance_profiler.h"
#include "editor/debugger/editor_profiler.h"
#include "editor/debugger/editor_visual_profiler.h"
#include "editor/editor_file_system.h"
#include "editor/editor_log.h"
#include "editor/editor_node.h"
#include "editor/editor_property_name_processor.h"
#include "editor/editor_settings.h"
#include "editor/editor_string_names.h"
#include "editor/gui/editor_file_dialog.h"
#include "editor/inspector_dock.h"
#include "editor/plugins/canvas_item_editor_plugin.h"
#include "editor/plugins/editor_debugger_plugin.h"
#include "editor/plugins/node_3d_editor_plugin.h"
#include "editor/themes/editor_scale.h"
#include "main/performance.h"
#include "scene/3d/camera_3d.h"
#include "scene/debugger/scene_debugger.h"
#include "scene/gui/dialogs.h"
#include "scene/gui/grid_container.h"
#include "scene/gui/label.h"
#include "scene/gui/line_edit.h"
#include "scene/gui/margin_container.h"
#include "scene/gui/rich_text_label.h"
#include "scene/gui/separator.h"
#include "scene/gui/split_container.h"
#include "scene/gui/tab_container.h"
#include "scene/gui/texture_button.h"
#include "scene/gui/tree.h"
#include "scene/resources/packed_scene.h"
#include "servers/debugger/servers_debugger.h"
#include "servers/display_server.h"

using CameraOverride = EditorDebuggerNode::CameraOverride;

void ScriptEditorDebugger::_put_msg(const String &p_message, const Array &p_data, uint64_t p_thread_id) {
	ERR_FAIL_COND(p_thread_id == Thread::UNASSIGNED_ID);
	if (is_session_active()) {
		Array msg;
		msg.push_back(p_message);
		msg.push_back(p_thread_id);
		msg.push_back(p_data);
		peer->put_message(msg);
	}
}

void ScriptEditorDebugger::debug_copy() {
	String msg = reason->get_text();
	if (msg.is_empty()) {
		return;
	}
	DisplayServer::get_singleton()->clipboard_set(msg);
}

void ScriptEditorDebugger::debug_skip_breakpoints() {
	skip_breakpoints_value = !skip_breakpoints_value;
	if (skip_breakpoints_value) {
		skip_breakpoints->set_icon(get_editor_theme_icon(SNAME("DebugSkipBreakpointsOn")));
	} else {
		skip_breakpoints->set_icon(get_editor_theme_icon(SNAME("DebugSkipBreakpointsOff")));
	}

	Array msg;
	msg.push_back(skip_breakpoints_value);
	_put_msg("set_skip_breakpoints", msg, debugging_thread_id != Thread::UNASSIGNED_ID ? debugging_thread_id : Thread::MAIN_ID);
}

void ScriptEditorDebugger::debug_next() {
	ERR_FAIL_COND(!is_breaked());

	_put_msg("next", Array(), debugging_thread_id);
	_clear_execution();
}

void ScriptEditorDebugger::debug_step() {
	ERR_FAIL_COND(!is_breaked());

	_put_msg("step", Array(), debugging_thread_id);
	_clear_execution();
}

void ScriptEditorDebugger::debug_break() {
	ERR_FAIL_COND(is_breaked());

	_put_msg("break", Array());
}

void ScriptEditorDebugger::debug_continue() {
	ERR_FAIL_COND(!is_breaked());

	// Allow focus stealing only if we actually run this client for security.
	if (remote_pid && EditorNode::get_singleton()->has_child_process(remote_pid)) {
		DisplayServer::get_singleton()->enable_for_stealing_focus(remote_pid);
	}

	_clear_execution();
	_put_msg("continue", Array(), debugging_thread_id);
	_put_msg("servers:foreground", Array());
}

void ScriptEditorDebugger::update_tabs() {
	if (error_count == 0 && warning_count == 0) {
		errors_tab->set_name(TTR("Errors"));
		tabs->set_tab_icon(tabs->get_tab_idx_from_control(errors_tab), Ref<Texture2D>());
	} else {
		errors_tab->set_name(TTR("Errors") + " (" + itos(error_count + warning_count) + ")");
		if (error_count >= 1 && warning_count >= 1) {
			tabs->set_tab_icon(tabs->get_tab_idx_from_control(errors_tab), get_editor_theme_icon(SNAME("ErrorWarning")));
		} else if (error_count >= 1) {
			tabs->set_tab_icon(tabs->get_tab_idx_from_control(errors_tab), get_editor_theme_icon(SNAME("Error")));
		} else {
			tabs->set_tab_icon(tabs->get_tab_idx_from_control(errors_tab), get_editor_theme_icon(SNAME("Warning")));
		}
	}
}

void ScriptEditorDebugger::clear_style() {
	tabs->remove_theme_style_override(SceneStringName(panel));
}

void ScriptEditorDebugger::save_node(ObjectID p_id, const String &p_file) {
	Array msg;
	msg.push_back(p_id);
	msg.push_back(p_file);
	_put_msg("scene:save_node", msg);
}

void ScriptEditorDebugger::_file_selected(const String &p_file) {
	switch (file_dialog_purpose) {
		case SAVE_MONITORS_CSV: {
			Error err;
			Ref<FileAccess> file = FileAccess::open(p_file, FileAccess::WRITE, &err);

			if (err != OK) {
				ERR_PRINT("Failed to open " + p_file);
				return;
			}
			Vector<String> line;
			line.resize(Performance::MONITOR_MAX);

			// signatures
			for (int i = 0; i < Performance::MONITOR_MAX; i++) {
				line.write[i] = Performance::get_singleton()->get_monitor_name(Performance::Monitor(i));
			}
			file->store_csv_line(line);

			// values
			Vector<List<float>::Element *> iterators;
			iterators.resize(Performance::MONITOR_MAX);
			bool continue_iteration = false;
			for (int i = 0; i < Performance::MONITOR_MAX; i++) {
				iterators.write[i] = performance_profiler->get_monitor_data(Performance::get_singleton()->get_monitor_name(Performance::Monitor(i)))->back();
				continue_iteration = continue_iteration || iterators[i];
			}
			while (continue_iteration) {
				continue_iteration = false;
				for (int i = 0; i < Performance::MONITOR_MAX; i++) {
					if (iterators[i]) {
						line.write[i] = String::num_real(iterators[i]->get());
						iterators.write[i] = iterators[i]->prev();
					} else {
						line.write[i] = "";
					}
					continue_iteration = continue_iteration || iterators[i];
				}
				file->store_csv_line(line);
			}
			file->store_string("\n");

			Vector<Vector<String>> profiler_data = profiler->get_data_as_csv();
			for (int i = 0; i < profiler_data.size(); i++) {
				file->store_csv_line(profiler_data[i]);
			}
		} break;
		case SAVE_VRAM_CSV: {
			Error err;
			Ref<FileAccess> file = FileAccess::open(p_file, FileAccess::WRITE, &err);

			if (err != OK) {
				ERR_PRINT("Failed to open " + p_file);
				return;
			}

			Vector<String> headers;
			headers.resize(vmem_tree->get_columns());
			for (int i = 0; i < vmem_tree->get_columns(); ++i) {
				headers.write[i] = vmem_tree->get_column_title(i);
			}
			file->store_csv_line(headers);

			if (vmem_tree->get_root()) {
				TreeItem *ti = vmem_tree->get_root()->get_first_child();
				while (ti) {
					Vector<String> values;
					values.resize(vmem_tree->get_columns());
					for (int i = 0; i < vmem_tree->get_columns(); ++i) {
						values.write[i] = ti->get_text(i);
					}
					file->store_csv_line(values);

					ti = ti->get_next();
				}
			}
		} break;
	}
}

void ScriptEditorDebugger::request_remote_tree() {
	_put_msg("scene:request_scene_tree", Array());
}

const SceneDebuggerTree *ScriptEditorDebugger::get_remote_tree() {
	return scene_tree;
}

void ScriptEditorDebugger::request_remote_evaluate(const String &p_expression, int p_stack_frame) {
	Array msg;
	msg.push_back(p_expression);
	msg.push_back(p_stack_frame);
	_put_msg("evaluate", msg);
}

void ScriptEditorDebugger::update_remote_object(ObjectID p_obj_id, const String &p_prop, const Variant &p_value) {
	Array msg;
	msg.push_back(p_obj_id);
	msg.push_back(p_prop);
	msg.push_back(p_value);
	_put_msg("scene:set_object_property", msg);
}

void ScriptEditorDebugger::request_remote_object(ObjectID p_obj_id) {
	ERR_FAIL_COND(p_obj_id.is_null());
	Array msg;
	msg.push_back(p_obj_id);
	_put_msg("scene:inspect_object", msg);
}

Object *ScriptEditorDebugger::get_remote_object(ObjectID p_id) {
	return inspector->get_object(p_id);
}

void ScriptEditorDebugger::_remote_object_selected(ObjectID p_id) {
	emit_signal(SNAME("remote_object_requested"), p_id);
}

void ScriptEditorDebugger::_remote_object_edited(ObjectID p_id, const String &p_prop, const Variant &p_value) {
	update_remote_object(p_id, p_prop, p_value);
	request_remote_object(p_id);
}

void ScriptEditorDebugger::_remote_object_property_updated(ObjectID p_id, const String &p_property) {
	emit_signal(SNAME("remote_object_property_updated"), p_id, p_property);
}

void ScriptEditorDebugger::_video_mem_request() {
	_put_msg("servers:memory", Array());
}

void ScriptEditorDebugger::_video_mem_export() {
	file_dialog->set_file_mode(EditorFileDialog::FILE_MODE_SAVE_FILE);
	file_dialog->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
	file_dialog->clear_filters();
	file_dialog_purpose = SAVE_VRAM_CSV;
	file_dialog->popup_file_dialog();
}

Size2 ScriptEditorDebugger::get_minimum_size() const {
	Size2 ms = MarginContainer::get_minimum_size();
	ms.y = MAX(ms.y, 250 * EDSCALE);
	return ms;
}

void ScriptEditorDebugger::_thread_debug_enter(uint64_t p_thread_id) {
	ERR_FAIL_COND(!threads_debugged.has(p_thread_id));
	ThreadDebugged &td = threads_debugged[p_thread_id];
	_set_reason_text(td.error, MESSAGE_ERROR);
	emit_signal(SNAME("breaked"), true, td.can_debug, td.error, td.has_stackdump);
	if (!td.error.is_empty()) {
		tabs->set_current_tab(0);
	}
	inspector->clear_cache(); // Take a chance to force remote objects update.
	_put_msg("get_stack_dump", Array(), p_thread_id);
}

void ScriptEditorDebugger::_select_thread(int p_index) {
	debugging_thread_id = threads->get_item_metadata(threads->get_selected());
	_thread_debug_enter(debugging_thread_id);
}

void ScriptEditorDebugger::_parse_message(const String &p_msg, uint64_t p_thread_id, const Array &p_data) {
	emit_signal(SNAME("debug_data"), p_msg, p_data);
	if (p_msg == "debug_enter") {
		ERR_FAIL_COND(p_data.size() != 4);

		ThreadDebugged td;
		td.name = p_data[3];
		td.error = p_data[1];
		td.can_debug = p_data[0];
		td.has_stackdump = p_data[2];
		td.thread_id = p_thread_id;
		static uint32_t order_inc = 0;
		td.debug_order = order_inc++;

		threads_debugged.insert(p_thread_id, td);

		if (threads_debugged.size() == 1) {
			// First thread that requests debug
			debugging_thread_id = p_thread_id;
			_thread_debug_enter(p_thread_id);
			can_request_idle_draw = true;
			if (is_move_to_foreground()) {
				DisplayServer::get_singleton()->window_move_to_foreground();
			}
			profiler->set_enabled(false, false);
			visual_profiler->set_enabled(false);
		}
		_update_buttons_state();

	} else if (p_msg == "debug_exit") {
		threads_debugged.erase(p_thread_id);
		if (p_thread_id == debugging_thread_id) {
			_clear_execution();
			if (threads_debugged.size() == 0) {
				debugging_thread_id = Thread::UNASSIGNED_ID;
			} else {
				// Find next thread to debug.
				uint32_t min_order = 0xFFFFFFFF;
				uint64_t next_thread = Thread::UNASSIGNED_ID;
				for (KeyValue<uint64_t, ThreadDebugged> T : threads_debugged) {
					if (T.value.debug_order < min_order) {
						min_order = T.value.debug_order;
						next_thread = T.key;
					}
				}

				debugging_thread_id = next_thread;
			}

			if (debugging_thread_id == Thread::UNASSIGNED_ID) {
				// Nothing else to debug.
				profiler->set_enabled(true, false);
				profiler->disable_seeking();

				visual_profiler->set_enabled(true);

				_set_reason_text(TTR("Execution resumed."), MESSAGE_SUCCESS);
				emit_signal(SNAME("breaked"), false, false, "", false);

				_update_buttons_state();
			} else {
				_thread_debug_enter(debugging_thread_id);
			}
		} else {
			_update_buttons_state();
		}

	} else if (p_msg == "set_pid") {
		ERR_FAIL_COND(p_data.is_empty());
		remote_pid = p_data[0];
	} else if (p_msg == "scene:click_ctrl") {
		ERR_FAIL_COND(p_data.size() < 2);
		clicked_ctrl->set_text(p_data[0]);
		clicked_ctrl_type->set_text(p_data[1]);
	} else if (p_msg == "scene:scene_tree") {
		scene_tree->nodes.clear();
		scene_tree->deserialize(p_data);
		emit_signal(SNAME("remote_tree_updated"));
		_update_buttons_state();
	} else if (p_msg == "scene:inspect_object") {
		ObjectID id = inspector->add_object(p_data);
		if (id.is_valid()) {
			emit_signal(SNAME("remote_object_updated"), id);
		}
	} else if (p_msg == "servers:memory_usage") {
		vmem_tree->clear();
		TreeItem *root = vmem_tree->create_item();
		ServersDebugger::ResourceUsage usage;
		usage.deserialize(p_data);

		uint64_t total = 0;

		for (const ServersDebugger::ResourceInfo &E : usage.infos) {
			TreeItem *it = vmem_tree->create_item(root);
			String type = E.type;
			int bytes = E.vram;
			it->set_text(0, E.path);
			it->set_text(1, type);
			it->set_text(2, E.format);
			it->set_text(3, String::humanize_size(bytes));
			total += bytes;

			if (has_theme_icon(type, EditorStringName(EditorIcons))) {
				it->set_icon(0, get_editor_theme_icon(type));
			}
		}

		vmem_total->set_tooltip_text(TTR("Bytes:") + " " + itos(total));
		vmem_total->set_text(String::humanize_size(total));
	} else if (p_msg == "servers:drawn") {
		can_request_idle_draw = true;
	} else if (p_msg == "stack_dump") {
		DebuggerMarshalls::ScriptStackDump stack;
		stack.deserialize(p_data);

		stack_dump->clear();
		inspector->clear_stack_variables();
		TreeItem *r = stack_dump->create_item();

		Array stack_dump_info;

		int i = 0;
		for (List<ScriptLanguage::StackInfo>::Iterator itr = stack.frames.begin(); itr != stack.frames.end(); ++itr, ++i) {
			TreeItem *s = stack_dump->create_item(r);
			Dictionary d;
			d["frame"] = i;
			d["file"] = itr->file;
			d["function"] = itr->func;
			d["line"] = itr->line;
			stack_dump_info.push_back(d);
			s->set_metadata(0, d);

			String line = itos(i) + " - " + String(d["file"]) + ":" + itos(d["line"]) + " - at function: " + String(d["function"]);
			s->set_text(0, line);

			if (i == 0) {
				s->select(0);
			}
		}
		emit_signal(SNAME("stack_dump"), stack_dump_info);
	} else if (p_msg == "stack_frame_vars") {
		inspector->clear_stack_variables();
		ERR_FAIL_COND(p_data.size() != 1);
		emit_signal(SNAME("stack_frame_vars"), p_data[0]);
	} else if (p_msg == "stack_frame_var") {
		inspector->add_stack_variable(p_data);
		emit_signal(SNAME("stack_frame_var"), p_data);
	} else if (p_msg == "output") {
		ERR_FAIL_COND(p_data.size() != 2);

		ERR_FAIL_COND(p_data[0].get_type() != Variant::PACKED_STRING_ARRAY);
		Vector<String> output_strings = p_data[0];

		ERR_FAIL_COND(p_data[1].get_type() != Variant::PACKED_INT32_ARRAY);
		Vector<int> output_types = p_data[1];

		ERR_FAIL_COND(output_strings.size() != output_types.size());

		for (int i = 0; i < output_strings.size(); i++) {
			RemoteDebugger::MessageType type = (RemoteDebugger::MessageType)(int)(output_types[i]);
			EditorLog::MessageType msg_type;
			switch (type) {
				case RemoteDebugger::MESSAGE_TYPE_LOG: {
					msg_type = EditorLog::MSG_TYPE_STD;
				} break;
				case RemoteDebugger::MESSAGE_TYPE_LOG_RICH: {
					msg_type = EditorLog::MSG_TYPE_STD_RICH;
				} break;
				case RemoteDebugger::MESSAGE_TYPE_ERROR: {
					msg_type = EditorLog::MSG_TYPE_ERROR;
				} break;
				default: {
					WARN_PRINT("Unhandled script debugger message type: " + itos(type));
					msg_type = EditorLog::MSG_TYPE_STD;
				} break;
			}
			EditorNode::get_log()->add_message(output_strings[i], msg_type);
			emit_signal(SNAME("output"), output_strings[i], msg_type);
		}
	} else if (p_msg == "performance:profile_frame") {
		Vector<float> frame_data;
		frame_data.resize(p_data.size());
		for (int i = 0; i < p_data.size(); i++) {
			frame_data.write[i] = p_data[i];
		}
		performance_profiler->add_profile_frame(frame_data);
	} else if (p_msg == "visual:profile_frame") {
		ServersDebugger::VisualProfilerFrame frame;
		frame.deserialize(p_data);

		EditorVisualProfiler::Metric metric;
		metric.areas.resize(frame.areas.size());
		metric.frame_number = frame.frame_number;
		metric.valid = true;

		{
			EditorVisualProfiler::Metric::Area *areas_ptr = metric.areas.ptrw();
			for (int i = 0; i < frame.areas.size(); i++) {
				areas_ptr[i].name = frame.areas[i].name;
				areas_ptr[i].cpu_time = frame.areas[i].cpu_msec;
				areas_ptr[i].gpu_time = frame.areas[i].gpu_msec;
			}
		}
		visual_profiler->add_frame_metric(metric);
	} else if (p_msg == "error") {
		DebuggerMarshalls::OutputError oe;
		ERR_FAIL_COND_MSG(oe.deserialize(p_data) == false, "Failed to deserialize error message");

		// Format time.
		Array time_vals;
		time_vals.push_back(oe.hr);
		time_vals.push_back(oe.min);
		time_vals.push_back(oe.sec);
		time_vals.push_back(oe.msec);
		bool e;
		String time = String("%d:%02d:%02d:%04d").sprintf(time_vals, &e);

		// Rest of the error data.
		bool source_is_project_file = oe.source_file.begins_with("res://");

		// Metadata to highlight error line in scripts.
		Array source_meta;
		source_meta.push_back(oe.source_file);
		source_meta.push_back(oe.source_line);

		// Create error tree to display above error or warning details.
		TreeItem *r = error_tree->get_root();
		if (!r) {
			r = error_tree->create_item();
		}

		// Also provide the relevant details as tooltip to quickly check without
		// uncollapsing the tree.
		String tooltip = oe.warning ? TTR("Warning:") : TTR("Error:");

		TreeItem *error = error_tree->create_item(r);
		if (oe.warning) {
			error->set_meta("_is_warning", true);
		} else {
			error->set_meta("_is_error", true);
		}
		error->set_collapsed(true);

		error->set_icon(0, get_editor_theme_icon(oe.warning ? SNAME("Warning") : SNAME("Error")));
		error->set_text(0, time);
		error->set_text_alignment(0, HORIZONTAL_ALIGNMENT_LEFT);

		const Color color = get_theme_color(oe.warning ? SNAME("warning_color") : SNAME("error_color"), EditorStringName(Editor));
		error->set_custom_color(0, color);
		error->set_custom_color(1, color);

		String error_title;
		if (!oe.source_func.is_empty() && source_is_project_file) {
			// If source function is inside the project file.
			error_title += oe.source_func + ": ";
		} else if (oe.callstack.size() > 0) {
			// Otherwise, if available, use the script's stack in the error title.
			error_title = _format_frame_text(&oe.callstack[0]) + ": ";
		} else if (!oe.source_func.is_empty()) {
			// Otherwise try to use the C++ source function.
			error_title += oe.source_func + ": ";
		}
		// If we have a (custom) error message, use it as title, and add a C++ Error
		// item with the original error condition.
		error_title += oe.error_descr.is_empty() ? oe.error : oe.error_descr;
		error->set_text(1, error_title);
		tooltip += " " + error_title + "\n";

		// Find the language of the error's source file.
		String source_language_name = "C++"; // Default value is the old hard-coded one.
		const String source_file_extension = oe.source_file.get_extension();
		for (int i = 0; i < ScriptServer::get_language_count(); ++i) {
			ScriptLanguage *script_language = ScriptServer::get_language(i);
			if (source_file_extension == script_language->get_extension()) {
				source_language_name = script_language->get_name();
				break;
			}
		}

		if (!oe.error_descr.is_empty()) {
			// Add item for C++ error condition.
			TreeItem *cpp_cond = error_tree->create_item(error);
			// TRANSLATORS: %s is the name of a language, e.g. C++.
			cpp_cond->set_text(0, "<" + vformat(TTR("%s Error"), source_language_name) + ">");
			cpp_cond->set_text(1, oe.error);
			cpp_cond->set_text_alignment(0, HORIZONTAL_ALIGNMENT_LEFT);
			tooltip += vformat(TTR("%s Error:"), source_language_name) + " " + oe.error + "\n";
			if (source_is_project_file) {
				cpp_cond->set_metadata(0, source_meta);
			}
		}
		Vector<uint8_t> v;
		v.resize(100);

		// Source of the error.
		String source_txt = (source_is_project_file ? oe.source_file.get_file() : oe.source_file) + ":" + itos(oe.source_line);
		if (!oe.source_func.is_empty()) {
			source_txt += " @ " + oe.source_func;
			if (!oe.source_func.ends_with(")")) {
				source_txt += "()";
			}
		}

		TreeItem *cpp_source = error_tree->create_item(error);
		// TRANSLATORS: %s is the name of a language, e.g. C++.
		cpp_source->set_text(0, "<" + vformat(TTR("%s Source"), source_language_name) + ">");
		cpp_source->set_text(1, source_txt);
		cpp_source->set_text_alignment(0, HORIZONTAL_ALIGNMENT_LEFT);
		tooltip += vformat(TTR("%s Source:"), source_language_name) + " " + source_txt + "\n";

		// Set metadata to highlight error line in scripts.
		if (source_is_project_file) {
			error->set_metadata(0, source_meta);
			cpp_source->set_metadata(0, source_meta);
		}

		// Format stack trace.
		// stack_items_count is the number of elements to parse, with 3 items per frame
		// of the stack trace (script, method, line).
		const ScriptLanguage::StackInfo *infos = oe.callstack.ptr();
		for (unsigned int i = 0; i < (unsigned int)oe.callstack.size(); i++) {
			TreeItem *stack_trace = error_tree->create_item(error);

			Array meta;
			meta.push_back(infos[i].file);
			meta.push_back(infos[i].line);
			stack_trace->set_metadata(0, meta);

			if (i == 0) {
				stack_trace->set_text(0, "<" + TTR("Stack Trace") + ">");
				stack_trace->set_text_alignment(0, HORIZONTAL_ALIGNMENT_LEFT);
				if (!source_is_project_file) {
					// Only override metadata if the source is not inside the project.
					error->set_metadata(0, meta);
				}
				tooltip += TTR("Stack Trace:") + "\n";
			}

			String frame_txt = _format_frame_text(&infos[i]);
			tooltip += frame_txt + "\n";
			stack_trace->set_text(1, frame_txt);
		}

		error->set_tooltip_text(0, tooltip);
		error->set_tooltip_text(1, tooltip);

		if (warning_count == 0 && error_count == 0) {
			expand_all_button->set_disabled(false);
			collapse_all_button->set_disabled(false);
			clear_button->set_disabled(false);
		}

		if (oe.warning) {
			warning_count++;
		} else {
			error_count++;
		}
	} else if (p_msg == "servers:function_signature") {
		// Cache a profiler signature.
		ServersDebugger::ScriptFunctionSignature sig;
		sig.deserialize(p_data);
		profiler_signature[sig.id] = sig.name;
	} else if (p_msg == "servers:profile_frame" || p_msg == "servers:profile_total") {
		EditorProfiler::Metric metric;
		ServersDebugger::ServersProfilerFrame frame;
		frame.deserialize(p_data);
		metric.valid = true;
		metric.frame_number = frame.frame_number;
		metric.frame_time = frame.frame_time;
		metric.process_time = frame.process_time;
		metric.physics_time = frame.physics_time;
		metric.physics_frame_time = frame.physics_frame_time;

		if (frame.servers.size()) {
			EditorProfiler::Metric::Category frame_time;
			frame_time.signature = "category_frame_time";
			frame_time.name = "Frame Time";
			frame_time.total_time = metric.frame_time;

			EditorProfiler::Metric::Category::Item item;
			item.calls = 1;
			item.line = 0;

			item.name = "Physics Time";
			item.total = metric.physics_time;
			item.self = item.total;
			item.signature = "physics_time";

			frame_time.items.push_back(item);

			item.name = "Process Time";
			item.total = metric.process_time;
			item.self = item.total;
			item.signature = "process_time";

			frame_time.items.push_back(item);

			item.name = "Physics Frame Time";
			item.total = metric.physics_frame_time;
			item.self = item.total;
			item.signature = "physics_frame_time";

			frame_time.items.push_back(item);

			metric.categories.push_back(frame_time);
		}

		for (const ServersDebugger::ServerInfo &srv : frame.servers) {
			EditorProfiler::Metric::Category c;
			const String name = srv.name;
			c.name = EditorPropertyNameProcessor::get_singleton()->process_name(name, EditorPropertyNameProcessor::STYLE_CAPITALIZED);
			c.items.resize(srv.functions.size());
			c.total_time = 0;
			c.signature = "categ::" + name;
			int j = 0;
			for (List<ServersDebugger::ServerFunctionInfo>::ConstIterator itr = srv.functions.begin(); itr != srv.functions.end(); ++itr, ++j) {
				EditorProfiler::Metric::Category::Item item;
				item.calls = 1;
				item.line = 0;
				item.name = itr->name;
				item.self = itr->time;
				item.total = item.self;
				item.signature = "categ::" + name + "::" + item.name;
				item.name = EditorPropertyNameProcessor::get_singleton()->process_name(item.name, EditorPropertyNameProcessor::STYLE_CAPITALIZED);
				c.total_time += item.total;
				c.items.write[j] = item;
			}
			metric.categories.push_back(c);
		}

		EditorProfiler::Metric::Category funcs;
		funcs.total_time = frame.script_time;
		funcs.items.resize(frame.script_functions.size());
		funcs.name = "Script Functions";
		funcs.signature = "script_functions";
		for (int i = 0; i < frame.script_functions.size(); i++) {
			int signature = frame.script_functions[i].sig_id;
			int calls = frame.script_functions[i].call_count;
			float total = frame.script_functions[i].total_time;
			float self = frame.script_functions[i].self_time;
			float internal = frame.script_functions[i].internal_time;

			EditorProfiler::Metric::Category::Item item;
			if (profiler_signature.has(signature)) {
				item.signature = profiler_signature[signature];

				String name = profiler_signature[signature];
				Vector<String> strings = name.split("::");
				if (strings.size() == 3) {
					item.name = strings[2];
					item.script = strings[0];
					item.line = strings[1].to_int();
				} else if (strings.size() == 4) { //Built-in scripts have an :: in their name
					item.name = strings[3];
					item.script = strings[0] + "::" + strings[1];
					item.line = strings[2].to_int();
				}

			} else {
				item.name = "SigErr " + itos(signature);
			}

			item.calls = calls;
			item.self = self;
			item.total = total;
			item.internal = internal;
			funcs.items.write[i] = item;
		}

		metric.categories.push_back(funcs);

		if (p_msg == "servers:profile_frame") {
			profiler->add_frame_metric(metric, false);
		} else {
			profiler->add_frame_metric(metric, true);
		}
	} else if (p_msg == "request_quit") {
		emit_signal(SNAME("stop_requested"));
		_stop_and_notify();
	} else if (p_msg == "performance:profile_names") {
		Vector<StringName> monitors;
		monitors.resize(p_data.size());
		for (int i = 0; i < p_data.size(); i++) {
			ERR_FAIL_COND(p_data[i].get_type() != Variant::STRING_NAME);
			monitors.set(i, p_data[i]);
		}
		performance_profiler->update_monitors(monitors);
	} else if (p_msg == "filesystem:update_file") {
		ERR_FAIL_COND(p_data.is_empty());
		if (EditorFileSystem::get_singleton()) {
			EditorFileSystem::get_singleton()->update_file(p_data[0]);
		}
	} else if (p_msg == "evaluation_return") {
		expression_evaluator->add_value(p_data);
	} else {
		int colon_index = p_msg.find_char(':');
		ERR_FAIL_COND_MSG(colon_index < 1, "Invalid message received");

		bool parsed = EditorDebuggerNode::get_singleton()->plugins_capture(this, p_msg, p_data);
		if (!parsed) {
			WARN_PRINT("unknown message " + p_msg);
		}
	}
}

void ScriptEditorDebugger::_set_reason_text(const String &p_reason, MessageType p_type) {
	switch (p_type) {
		case MESSAGE_ERROR:
			reason->add_theme_color_override(SceneStringName(font_color), get_theme_color(SNAME("error_color"), EditorStringName(Editor)));
			break;
		case MESSAGE_WARNING:
			reason->add_theme_color_override(SceneStringName(font_color), get_theme_color(SNAME("warning_color"), EditorStringName(Editor)));
			break;
		default:
			reason->add_theme_color_override(SceneStringName(font_color), get_theme_color(SNAME("success_color"), EditorStringName(Editor)));
	}
	reason->set_text(p_reason);

	const PackedInt32Array boundaries = TS->string_get_word_breaks(p_reason, "", 80);
	PackedStringArray lines;
	for (int i = 0; i < boundaries.size(); i += 2) {
		const int start = boundaries[i];
		const int end = boundaries[i + 1];
		lines.append(p_reason.substr(start, end - start));
	}

	reason->set_tooltip_text(String("\n").join(lines));
}

void ScriptEditorDebugger::_notification(int p_what) {
	switch (p_what) {
		case NOTIFICATION_ENTER_TREE: {
			le_set->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::_live_edit_set));
			le_clear->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::_live_edit_clear));
			error_tree->connect(SceneStringName(item_selected), callable_mp(this, &ScriptEditorDebugger::_error_selected));
			error_tree->connect("item_activated", callable_mp(this, &ScriptEditorDebugger::_error_activated));
			breakpoints_tree->connect("item_activated", callable_mp(this, &ScriptEditorDebugger::_breakpoint_tree_clicked));
			connect("started", callable_mp(expression_evaluator, &EditorExpressionEvaluator::on_start));
		} break;

		case NOTIFICATION_THEME_CHANGED: {
			tabs->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("DebuggerPanel"), EditorStringName(EditorStyles)));

			skip_breakpoints->set_icon(get_editor_theme_icon(skip_breakpoints_value ? SNAME("DebugSkipBreakpointsOn") : SNAME("DebugSkipBreakpointsOff")));
			copy->set_icon(get_editor_theme_icon(SNAME("ActionCopy")));
			step->set_icon(get_editor_theme_icon(SNAME("DebugStep")));
			next->set_icon(get_editor_theme_icon(SNAME("DebugNext")));
			dobreak->set_icon(get_editor_theme_icon(SNAME("Pause")));
			docontinue->set_icon(get_editor_theme_icon(SNAME("DebugContinue")));
			vmem_refresh->set_icon(get_editor_theme_icon(SNAME("Reload")));
			vmem_export->set_icon(get_editor_theme_icon(SNAME("Save")));
			search->set_right_icon(get_editor_theme_icon(SNAME("Search")));

			reason->add_theme_color_override(SceneStringName(font_color), get_theme_color(SNAME("error_color"), EditorStringName(Editor)));

			TreeItem *error_root = error_tree->get_root();
			if (error_root) {
				TreeItem *error = error_root->get_first_child();
				while (error) {
					if (error->has_meta("_is_warning")) {
						error->set_icon(0, get_editor_theme_icon(SNAME("Warning")));
						error->set_custom_color(0, get_theme_color(SNAME("warning_color"), EditorStringName(Editor)));
						error->set_custom_color(1, get_theme_color(SNAME("warning_color"), EditorStringName(Editor)));
					} else if (error->has_meta("_is_error")) {
						error->set_icon(0, get_editor_theme_icon(SNAME("Error")));
						error->set_custom_color(0, get_theme_color(SNAME("error_color"), EditorStringName(Editor)));
						error->set_custom_color(1, get_theme_color(SNAME("error_color"), EditorStringName(Editor)));
					}

					error = error->get_next();
				}
			}
		} break;

		case NOTIFICATION_PROCESS: {
			if (is_session_active()) {
				peer->poll();

				if (camera_override == CameraOverride::OVERRIDE_2D) {
					Dictionary state = CanvasItemEditor::get_singleton()->get_state();
					float zoom = state["zoom"];
					Point2 offset = state["ofs"];
					Transform2D transform;

					transform.scale_basis(Size2(zoom, zoom));
					transform.columns[2] = -offset * zoom;

					Array msg;
					msg.push_back(transform);
					_put_msg("scene:override_camera_2D:transform", msg);

				} else if (camera_override >= CameraOverride::OVERRIDE_3D_1) {
					int viewport_idx = camera_override - CameraOverride::OVERRIDE_3D_1;
					Node3DEditorViewport *viewport = Node3DEditor::get_singleton()->get_editor_viewport(viewport_idx);
					Camera3D *const cam = viewport->get_camera_3d();

					Array msg;
					msg.push_back(cam->get_camera_transform());
					if (cam->get_projection() == Camera3D::PROJECTION_ORTHOGONAL) {
						msg.push_back(false);
						msg.push_back(cam->get_size());
					} else {
						msg.push_back(true);
						msg.push_back(cam->get_fov());
					}
					msg.push_back(cam->get_near());
					msg.push_back(cam->get_far());
					_put_msg("scene:override_camera_3D:transform", msg);
				}
				if (is_breaked() && can_request_idle_draw) {
					_put_msg("servers:draw", Array());
					can_request_idle_draw = false;
				}
			}

			const uint64_t until = OS::get_singleton()->get_ticks_msec() + 20;

			while (peer.is_valid() && peer->has_message()) {
				Array arr = peer->get_message();
				if (arr.size() != 3 || arr[0].get_type() != Variant::STRING || arr[1].get_type() != Variant::INT || arr[2].get_type() != Variant::ARRAY) {
					_stop_and_notify();
					ERR_FAIL_MSG("Invalid message format received from peer");
				}

				_parse_message(arr[0], arr[1], arr[2]);

				if (OS::get_singleton()->get_ticks_msec() > until) {
					break;
				}
			}
			if (!is_session_active()) {
				_stop_and_notify();
				break;
			};
		} break;
	}
}

void ScriptEditorDebugger::_clear_execution() {
	TreeItem *ti = stack_dump->get_selected();
	if (!ti) {
		return;
	}

	Dictionary d = ti->get_metadata(0);

	stack_script = ResourceLoader::load(d["file"]);
	emit_signal(SNAME("clear_execution"), stack_script);
	stack_script.unref();
	stack_dump->clear();
	inspector->clear_stack_variables();
}

void ScriptEditorDebugger::_set_breakpoint(const String &p_file, const int &p_line, const bool &p_enabled) {
	Ref<Script> scr = ResourceLoader::load(p_file);
	emit_signal(SNAME("set_breakpoint"), scr, p_line - 1, p_enabled);
	scr.unref();
}

void ScriptEditorDebugger::_clear_breakpoints() {
	emit_signal(SNAME("clear_breakpoints"));
}

void ScriptEditorDebugger::_breakpoint_tree_clicked() {
	TreeItem *selected = breakpoints_tree->get_selected();
	if (selected->has_meta("line")) {
		emit_signal(SNAME("breakpoint_selected"), selected->get_parent()->get_text(0), int(selected->get_meta("line")));
	}
}

String ScriptEditorDebugger::_format_frame_text(const ScriptLanguage::StackInfo *info) {
	String text = info->file.get_file() + ":" + itos(info->line) + " @ " + info->func;
	if (!text.ends_with(")")) {
		text += "()";
	}
	return text;
}

void ScriptEditorDebugger::start(Ref<RemoteDebuggerPeer> p_peer) {
	_clear_errors_list();
	stop();

	profiler->set_enabled(true, true);
	visual_profiler->set_enabled(true);

	peer = p_peer;
	ERR_FAIL_COND(p_peer.is_null());

	performance_profiler->reset();

	set_process(true);
	camera_override = CameraOverride::OVERRIDE_NONE;

	_set_reason_text(TTR("Debug session started."), MESSAGE_SUCCESS);
	_update_buttons_state();
	emit_signal(SNAME("started"));

	if (EditorSettings::get_singleton()->get_project_metadata("debug_options", "autostart_profiler", false)) {
		profiler->set_profiling(true);
	}

	if (EditorSettings::get_singleton()->get_project_metadata("debug_options", "autostart_visual_profiler", false)) {
		visual_profiler->set_profiling(true);
	}
}

void ScriptEditorDebugger::_update_buttons_state() {
	const bool active = is_session_active();
	const bool has_editor_tree = active && editor_remote_tree && editor_remote_tree->get_selected();
	vmem_refresh->set_disabled(!active);
	step->set_disabled(!active || !is_breaked() || !is_debuggable());
	next->set_disabled(!active || !is_breaked() || !is_debuggable());
	copy->set_disabled(!active || !is_breaked());
	docontinue->set_disabled(!active || !is_breaked());
	dobreak->set_disabled(!active || is_breaked());
	le_clear->set_disabled(!active);
	le_set->set_disabled(!has_editor_tree);

	thread_list_updating = true;
	LocalVector<ThreadDebugged *> threadss;
	for (KeyValue<uint64_t, ThreadDebugged> &I : threads_debugged) {
		threadss.push_back(&I.value);
	}

	threadss.sort_custom<ThreadSort>();
	threads->clear();
	int32_t selected_index = -1;
	for (uint32_t i = 0; i < threadss.size(); i++) {
		if (debugging_thread_id == threadss[i]->thread_id) {
			selected_index = i;
		}
		threads->add_item(threadss[i]->name);
		threads->set_item_metadata(threads->get_item_count() - 1, threadss[i]->thread_id);
	}
	if (selected_index != -1) {
		threads->select(selected_index);
	}

	thread_list_updating = false;
}

void ScriptEditorDebugger::_stop_and_notify() {
	stop();
	emit_signal(SNAME("stopped"));
	_set_reason_text(TTR("Debug session closed."), MESSAGE_WARNING);
}

void ScriptEditorDebugger::stop() {
	set_process(false);
	threads_debugged.clear();
	debugging_thread_id = Thread::UNASSIGNED_ID;
	remote_pid = 0;
	_clear_execution();

	inspector->clear_cache();

	if (peer.is_valid()) {
		peer->close();
		peer.unref();
		reason->set_text("");
		reason->set_tooltip_text("");
	}

	node_path_cache.clear();
	res_path_cache.clear();
	profiler_signature.clear();

	profiler->set_enabled(false, false);
	profiler->set_profiling(false);

	visual_profiler->set_enabled(false);
	visual_profiler->set_profiling(false);

	inspector->edit(nullptr);
	_update_buttons_state();
}

void ScriptEditorDebugger::_profiler_activate(bool p_enable, int p_type) {
	Array msg_data;
	msg_data.push_back(p_enable);
	switch (p_type) {
		case PROFILER_VISUAL:
			_put_msg("profiler:visual", msg_data);
			break;
		case PROFILER_SCRIPTS_SERVERS:
			if (p_enable) {
				// Clear old script signatures. (should we move all this into the profiler?)
				profiler_signature.clear();
				// Add max funcs options to request.
				Array opts;
				int max_funcs = EDITOR_GET("debugger/profiler_frame_max_functions");
				bool include_native = EDITOR_GET("debugger/profile_native_calls");
				opts.push_back(CLAMP(max_funcs, 16, 512));
				opts.push_back(include_native);
				msg_data.push_back(opts);
			}
			_put_msg("profiler:servers", msg_data);
			break;
		default:
			ERR_FAIL_MSG("Invalid profiler type");
	}
}

void ScriptEditorDebugger::_profiler_seeked() {
	if (is_breaked()) {
		return;
	}
	debug_break();
}

void ScriptEditorDebugger::_stack_dump_frame_selected() {
	emit_signal(SNAME("stack_frame_selected"));

	int frame = get_stack_script_frame();

	if (!request_stack_dump(frame)) {
		inspector->edit(nullptr);
	}
}

void ScriptEditorDebugger::_export_csv() {
	file_dialog->set_file_mode(EditorFileDialog::FILE_MODE_SAVE_FILE);
	file_dialog->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
	file_dialog_purpose = SAVE_MONITORS_CSV;
	file_dialog->popup_file_dialog();
}

String ScriptEditorDebugger::get_var_value(const String &p_var) const {
	if (!is_breaked()) {
		return String();
	}
	return inspector->get_stack_variable(p_var);
}

int ScriptEditorDebugger::_get_node_path_cache(const NodePath &p_path) {
	const int *r = node_path_cache.getptr(p_path);
	if (r) {
		return *r;
	}

	last_path_id++;

	node_path_cache[p_path] = last_path_id;
	Array msg;
	msg.push_back(p_path);
	msg.push_back(last_path_id);
	_put_msg("scene:live_node_path", msg);

	return last_path_id;
}

int ScriptEditorDebugger::_get_res_path_cache(const String &p_path) {
	HashMap<String, int>::Iterator E = res_path_cache.find(p_path);

	if (E) {
		return E->value;
	}

	last_path_id++;

	res_path_cache[p_path] = last_path_id;
	Array msg;
	msg.push_back(p_path);
	msg.push_back(last_path_id);
	_put_msg("scene:live_res_path", msg);

	return last_path_id;
}

void ScriptEditorDebugger::_method_changed(Object *p_base, const StringName &p_name, const Variant **p_args, int p_argcount) {
	if (!p_base || !live_debug || !is_session_active() || !EditorNode::get_singleton()->get_edited_scene()) {
		return;
	}

	Node *node = Object::cast_to<Node>(p_base);

	for (int i = 0; i < p_argcount; i++) {
		//no pointers, sorry
		if (p_args[i]->get_type() == Variant::OBJECT || p_args[i]->get_type() == Variant::RID) {
			return;
		}
	}

	if (node) {
		NodePath path = EditorNode::get_singleton()->get_edited_scene()->get_path_to(node);
		int pathid = _get_node_path_cache(path);

		Array msg;
		msg.push_back(pathid);
		msg.push_back(p_name);
		for (int i = 0; i < p_argcount; i++) {
			//no pointers, sorry
			msg.push_back(*p_args[i]);
		}
		_put_msg("scene:live_node_call", msg);

		return;
	}

	Resource *res = Object::cast_to<Resource>(p_base);

	if (res && !res->get_path().is_empty()) {
		String respath = res->get_path();
		int pathid = _get_res_path_cache(respath);

		Array msg;
		msg.push_back(pathid);
		msg.push_back(p_name);
		for (int i = 0; i < p_argcount; i++) {
			//no pointers, sorry
			msg.push_back(*p_args[i]);
		}
		_put_msg("scene:live_res_call", msg);

		return;
	}
}

void ScriptEditorDebugger::_property_changed(Object *p_base, const StringName &p_property, const Variant &p_value) {
	if (!p_base || !live_debug || !EditorNode::get_singleton()->get_edited_scene()) {
		return;
	}

	Node *node = Object::cast_to<Node>(p_base);

	if (node) {
		NodePath path = EditorNode::get_singleton()->get_edited_scene()->get_path_to(node);
		int pathid = _get_node_path_cache(path);

		if (p_value.is_ref_counted()) {
			Ref<Resource> res = p_value;
			if (res.is_valid() && !res->get_path().is_empty()) {
				Array msg;
				msg.push_back(pathid);
				msg.push_back(p_property);
				msg.push_back(res->get_path());
				_put_msg("scene:live_node_prop_res", msg);
			}
		} else {
			Array msg;
			msg.push_back(pathid);
			msg.push_back(p_property);
			msg.push_back(p_value);
			_put_msg("scene:live_node_prop", msg);
		}

		return;
	}

	Resource *res = Object::cast_to<Resource>(p_base);

	if (res && !res->get_path().is_empty()) {
		String respath = res->get_path();
		int pathid = _get_res_path_cache(respath);

		if (p_value.is_ref_counted()) {
			Ref<Resource> res2 = p_value;
			if (res2.is_valid() && !res2->get_path().is_empty()) {
				Array msg;
				msg.push_back(pathid);
				msg.push_back(p_property);
				msg.push_back(res2->get_path());
				_put_msg("scene:live_res_prop_res", msg);
			}
		} else {
			Array msg;
			msg.push_back(pathid);
			msg.push_back(p_property);
			msg.push_back(p_value);
			_put_msg("scene:live_res_prop", msg);
		}

		return;
	}
}

bool ScriptEditorDebugger::is_move_to_foreground() const {
	return move_to_foreground;
}

void ScriptEditorDebugger::set_move_to_foreground(const bool &p_move_to_foreground) {
	move_to_foreground = p_move_to_foreground;
}

String ScriptEditorDebugger::get_stack_script_file() const {
	TreeItem *ti = stack_dump->get_selected();
	if (!ti) {
		return "";
	}
	Dictionary d = ti->get_metadata(0);
	return d["file"];
}

int ScriptEditorDebugger::get_stack_script_line() const {
	TreeItem *ti = stack_dump->get_selected();
	if (!ti) {
		return -1;
	}
	Dictionary d = ti->get_metadata(0);
	return d["line"];
}

int ScriptEditorDebugger::get_stack_script_frame() const {
	TreeItem *ti = stack_dump->get_selected();
	if (!ti) {
		return -1;
	}
	Dictionary d = ti->get_metadata(0);
	return d["frame"];
}

bool ScriptEditorDebugger::request_stack_dump(const int &p_frame) {
	ERR_FAIL_COND_V(!is_session_active() || p_frame < 0, false);

	Array msg;
	msg.push_back(p_frame);
	_put_msg("get_stack_frame_vars", msg, debugging_thread_id);
	return true;
}

void ScriptEditorDebugger::set_live_debugging(bool p_enable) {
	live_debug = p_enable;
}

void ScriptEditorDebugger::_live_edit_set() {
	if (!is_session_active() || !editor_remote_tree) {
		return;
	}

	TreeItem *ti = editor_remote_tree->get_selected();
	if (!ti) {
		return;
	}

	String path;

	while (ti) {
		String lp = ti->get_text(0);
		path = "/" + lp + path;
		ti = ti->get_parent();
	}

	NodePath np = path;

	EditorNode::get_editor_data().set_edited_scene_live_edit_root(np);

	update_live_edit_root();
}

void ScriptEditorDebugger::_live_edit_clear() {
	NodePath np = NodePath("/root");
	EditorNode::get_editor_data().set_edited_scene_live_edit_root(np);

	update_live_edit_root();
}

void ScriptEditorDebugger::update_live_edit_root() {
	NodePath np = EditorNode::get_editor_data().get_edited_scene_live_edit_root();

	Array msg;
	msg.push_back(np);
	if (EditorNode::get_singleton()->get_edited_scene()) {
		msg.push_back(EditorNode::get_singleton()->get_edited_scene()->get_scene_file_path());
	} else {
		msg.push_back("");
	}
	_put_msg("scene:live_set_root", msg);
	live_edit_root->set_text(np);
}

void ScriptEditorDebugger::live_debug_create_node(const NodePath &p_parent, const String &p_type, const String &p_name) {
	if (live_debug) {
		Array msg;
		msg.push_back(p_parent);
		msg.push_back(p_type);
		msg.push_back(p_name);
		_put_msg("scene:live_create_node", msg);
	}
}

void ScriptEditorDebugger::live_debug_instantiate_node(const NodePath &p_parent, const String &p_path, const String &p_name) {
	if (live_debug) {
		Array msg;
		msg.push_back(p_parent);
		msg.push_back(p_path);
		msg.push_back(p_name);
		_put_msg("scene:live_instantiate_node", msg);
	}
}

void ScriptEditorDebugger::live_debug_remove_node(const NodePath &p_at) {
	if (live_debug) {
		Array msg;
		msg.push_back(p_at);
		_put_msg("scene:live_remove_node", msg);
	}
}

void ScriptEditorDebugger::live_debug_remove_and_keep_node(const NodePath &p_at, ObjectID p_keep_id) {
	if (live_debug) {
		Array msg;
		msg.push_back(p_at);
		msg.push_back(p_keep_id);
		_put_msg("scene:live_remove_and_keep_node", msg);
	}
}

void ScriptEditorDebugger::live_debug_restore_node(ObjectID p_id, const NodePath &p_at, int p_at_pos) {
	if (live_debug) {
		Array msg;
		msg.push_back(p_id);
		msg.push_back(p_at);
		msg.push_back(p_at_pos);
		_put_msg("scene:live_restore_node", msg);
	}
}

void ScriptEditorDebugger::live_debug_duplicate_node(const NodePath &p_at, const String &p_new_name) {
	if (live_debug) {
		Array msg;
		msg.push_back(p_at);
		msg.push_back(p_new_name);
		_put_msg("scene:live_duplicate_node", msg);
	}
}

void ScriptEditorDebugger::live_debug_reparent_node(const NodePath &p_at, const NodePath &p_new_place, const String &p_new_name, int p_at_pos) {
	if (live_debug) {
		Array msg;
		msg.push_back(p_at);
		msg.push_back(p_new_place);
		msg.push_back(p_new_name);
		msg.push_back(p_at_pos);
		_put_msg("scene:live_reparent_node", msg);
	}
}

CameraOverride ScriptEditorDebugger::get_camera_override() const {
	return camera_override;
}

void ScriptEditorDebugger::set_camera_override(CameraOverride p_override) {
	if (p_override == CameraOverride::OVERRIDE_2D && camera_override != CameraOverride::OVERRIDE_2D) {
		Array msg;
		msg.push_back(true);
		_put_msg("scene:override_camera_2D:set", msg);
	} else if (p_override != CameraOverride::OVERRIDE_2D && camera_override == CameraOverride::OVERRIDE_2D) {
		Array msg;
		msg.push_back(false);
		_put_msg("scene:override_camera_2D:set", msg);
	} else if (p_override >= CameraOverride::OVERRIDE_3D_1 && camera_override < CameraOverride::OVERRIDE_3D_1) {
		Array msg;
		msg.push_back(true);
		_put_msg("scene:override_camera_3D:set", msg);
	} else if (p_override < CameraOverride::OVERRIDE_3D_1 && camera_override >= CameraOverride::OVERRIDE_3D_1) {
		Array msg;
		msg.push_back(false);
		_put_msg("scene:override_camera_3D:set", msg);
	}

	camera_override = p_override;
}

void ScriptEditorDebugger::set_breakpoint(const String &p_path, int p_line, bool p_enabled) {
	Array msg;
	msg.push_back(p_path);
	msg.push_back(p_line);
	msg.push_back(p_enabled);
	_put_msg("breakpoint", msg, debugging_thread_id != Thread::UNASSIGNED_ID ? debugging_thread_id : Thread::MAIN_ID);

	TreeItem *path_item = breakpoints_tree->search_item_text(p_path);
	if (path_item == nullptr) {
		if (!p_enabled) {
			return;
		}
		path_item = breakpoints_tree->create_item();
		path_item->set_text(0, p_path);
	}

	int idx = 0;
	TreeItem *breakpoint_item;
	for (breakpoint_item = path_item->get_first_child(); breakpoint_item; breakpoint_item = breakpoint_item->get_next()) {
		if ((int)breakpoint_item->get_meta("line") < p_line) {
			idx++;
			continue;
		}

		if ((int)breakpoint_item->get_meta("line") == p_line) {
			break;
		}
	}

	if (breakpoint_item == nullptr) {
		if (!p_enabled) {
			return;
		}
		breakpoint_item = breakpoints_tree->create_item(path_item, idx);
		breakpoint_item->set_meta("line", p_line);
		breakpoint_item->set_text(0, vformat(TTR("Line %d"), p_line));
		return;
	}

	if (!p_enabled) {
		path_item->remove_child(breakpoint_item);
		if (path_item->get_first_child() == nullptr) {
			breakpoints_tree->get_root()->remove_child(path_item);
		}
	}
}

void ScriptEditorDebugger::reload_all_scripts() {
	_put_msg("reload_all_scripts", Array(), debugging_thread_id != Thread::UNASSIGNED_ID ? debugging_thread_id : Thread::MAIN_ID);
}

void ScriptEditorDebugger::reload_scripts(const Vector<String> &p_script_paths) {
	_put_msg("reload_scripts", Variant(p_script_paths).operator Array(), debugging_thread_id != Thread::UNASSIGNED_ID ? debugging_thread_id : Thread::MAIN_ID);
}

bool ScriptEditorDebugger::is_skip_breakpoints() {
	return skip_breakpoints_value;
}

void ScriptEditorDebugger::_error_activated() {
	TreeItem *selected = error_tree->get_selected();

	if (!selected) {
		return;
	}

	TreeItem *ci = selected->get_first_child();
	if (ci) {
		selected->set_collapsed(!selected->is_collapsed());
	}
}

void ScriptEditorDebugger::_error_selected() {
	TreeItem *selected = error_tree->get_selected();

	if (!selected) {
		return;
	}

	Array meta = selected->get_metadata(0);
	if (meta.size() == 0) {
		return;
	}

	emit_signal(SNAME("error_selected"), String(meta[0]), int(meta[1]));
}

void ScriptEditorDebugger::_expand_errors_list() {
	TreeItem *root = error_tree->get_root();
	if (!root) {
		return;
	}

	TreeItem *item = root->get_first_child();
	while (item) {
		item->set_collapsed(false);
		item = item->get_next();
	}
}

void ScriptEditorDebugger::_collapse_errors_list() {
	TreeItem *root = error_tree->get_root();
	if (!root) {
		return;
	}

	TreeItem *item = root->get_first_child();
	while (item) {
		item->set_collapsed(true);
		item = item->get_next();
	}
}

void ScriptEditorDebugger::_clear_errors_list() {
	error_tree->clear();
	error_count = 0;
	warning_count = 0;
	emit_signal(SNAME("errors_cleared"));
	update_tabs();

	expand_all_button->set_disabled(true);
	collapse_all_button->set_disabled(true);
	clear_button->set_disabled(true);
}

void ScriptEditorDebugger::_breakpoints_item_rmb_selected(const Vector2 &p_pos, MouseButton p_button) {
	if (p_button != MouseButton::RIGHT) {
		return;
	}

	breakpoints_menu->clear();
	breakpoints_menu->set_size(Size2(1, 1));

	const TreeItem *selected = breakpoints_tree->get_selected();
	String file = selected->get_text(0);
	if (selected->has_meta("line")) {
		breakpoints_menu->add_icon_item(get_editor_theme_icon(SNAME("Remove")), TTR("Delete Breakpoint"), ACTION_DELETE_BREAKPOINT);
		file = selected->get_parent()->get_text(0);
	}
	breakpoints_menu->add_icon_item(get_editor_theme_icon(SNAME("Remove")), TTR("Delete All Breakpoints in:") + " " + file, ACTION_DELETE_BREAKPOINTS_IN_FILE);
	breakpoints_menu->add_icon_item(get_editor_theme_icon(SNAME("Remove")), TTR("Delete All Breakpoints"), ACTION_DELETE_ALL_BREAKPOINTS);

	breakpoints_menu->set_position(get_screen_position() + get_local_mouse_position());
	breakpoints_menu->popup();
}

// Right click on specific file(s) or folder(s).
void ScriptEditorDebugger::_error_tree_item_rmb_selected(const Vector2 &p_pos, MouseButton p_button) {
	if (p_button != MouseButton::RIGHT) {
		return;
	}

	item_menu->clear();
	item_menu->reset_size();

	if (error_tree->is_anything_selected()) {
		item_menu->add_icon_item(get_editor_theme_icon(SNAME("ActionCopy")), TTR("Copy Error"), ACTION_COPY_ERROR);
		item_menu->add_icon_item(get_editor_theme_icon(SNAME("ExternalLink")), TTR("Open C++ Source on GitHub"), ACTION_OPEN_SOURCE);
	}

	if (item_menu->get_item_count() > 0) {
		item_menu->set_position(error_tree->get_screen_position() + p_pos);
		item_menu->popup();
	}
}

void ScriptEditorDebugger::_item_menu_id_pressed(int p_option) {
	switch (p_option) {
		case ACTION_COPY_ERROR: {
			TreeItem *ti = error_tree->get_selected();
			while (ti->get_parent() != error_tree->get_root()) {
				ti = ti->get_parent();
			}

			String type;

			if (ti->has_meta("_is_warning")) {
				type = "W ";
			} else if (ti->has_meta("_is_error")) {
				type = "E ";
			}

			String text = ti->get_text(0) + "   ";
			int rpad_len = text.length();

			text = type + text + ti->get_text(1) + "\n";
			TreeItem *ci = ti->get_first_child();
			while (ci) {
				text += "  " + ci->get_text(0).rpad(rpad_len) + ci->get_text(1) + "\n";
				ci = ci->get_next();
			}

			DisplayServer::get_singleton()->clipboard_set(text);
		} break;

		case ACTION_OPEN_SOURCE: {
			TreeItem *ti = error_tree->get_selected();
			while (ti->get_parent() != error_tree->get_root()) {
				ti = ti->get_parent();
			}

			// Find the child with the "C++ Source".
			// It's not at a fixed position as "C++ Error" may come first.
			TreeItem *ci = ti->get_first_child();
			const String cpp_source = "<" + TTR("C++ Source") + ">";
			while (ci) {
				if (ci->get_text(0) == cpp_source) {
					break;
				}
				ci = ci->get_next();
			}

			if (!ci) {
				WARN_PRINT_ED("No C++ source reference is available for this error.");
				return;
			}

			// Parse back the `file:line @ method()` string.
			const Vector<String> file_line_number = ci->get_text(1).split("@")[0].strip_edges().split(":");
			ERR_FAIL_COND_MSG(file_line_number.size() < 2, "Incorrect C++ source stack trace file:line format (please report).");
			const String &file = file_line_number[0];
			const int line_number = file_line_number[1].to_int();

			// Construct a GitHub repository URL and open it in the user's default web browser.
			// If the commit hash is available, use it for greater accuracy. Otherwise fall back to tagged release.
			String git_ref = String(VERSION_HASH).is_empty() ? String(VERSION_NUMBER) + "-stable" : String(VERSION_HASH);
			OS::get_singleton()->shell_open(vformat("https://github.com/godotengine/godot/blob/%s/%s#L%d",
					git_ref, file, line_number));
		} break;
		case ACTION_DELETE_BREAKPOINT: {
			const TreeItem *selected = breakpoints_tree->get_selected();
			_set_breakpoint(selected->get_parent()->get_text(0), selected->get_meta("line"), false);
		} break;
		case ACTION_DELETE_BREAKPOINTS_IN_FILE: {
			TreeItem *file_item = breakpoints_tree->get_selected();
			if (file_item->has_meta("line")) {
				file_item = file_item->get_parent();
			}

			// Store first else we will be removing as we loop.
			List<int> lines;
			for (TreeItem *breakpoint_item = file_item->get_first_child(); breakpoint_item; breakpoint_item = breakpoint_item->get_next()) {
				lines.push_back(breakpoint_item->get_meta("line"));
			}

			for (const int &line : lines) {
				_set_breakpoint(file_item->get_text(0), line, false);
			}
		} break;
		case ACTION_DELETE_ALL_BREAKPOINTS: {
			_clear_breakpoints();
		} break;
	}
}

void ScriptEditorDebugger::_tab_changed(int p_tab) {
	if (tabs->get_tab_title(p_tab) == TTR("Video RAM")) {
		// "Video RAM" tab was clicked, refresh the data it's displaying when entering the tab.
		_video_mem_request();
	}
}

void ScriptEditorDebugger::_bind_methods() {
	ClassDB::bind_method(D_METHOD("live_debug_create_node"), &ScriptEditorDebugger::live_debug_create_node);
	ClassDB::bind_method(D_METHOD("live_debug_instantiate_node"), &ScriptEditorDebugger::live_debug_instantiate_node);
	ClassDB::bind_method(D_METHOD("live_debug_remove_node"), &ScriptEditorDebugger::live_debug_remove_node);
	ClassDB::bind_method(D_METHOD("live_debug_remove_and_keep_node"), &ScriptEditorDebugger::live_debug_remove_and_keep_node);
	ClassDB::bind_method(D_METHOD("live_debug_restore_node"), &ScriptEditorDebugger::live_debug_restore_node);
	ClassDB::bind_method(D_METHOD("live_debug_duplicate_node"), &ScriptEditorDebugger::live_debug_duplicate_node);
	ClassDB::bind_method(D_METHOD("live_debug_reparent_node"), &ScriptEditorDebugger::live_debug_reparent_node);
	ClassDB::bind_method(D_METHOD("request_remote_object", "id"), &ScriptEditorDebugger::request_remote_object);
	ClassDB::bind_method(D_METHOD("update_remote_object", "id", "property", "value"), &ScriptEditorDebugger::update_remote_object);

	ADD_SIGNAL(MethodInfo("started"));
	ADD_SIGNAL(MethodInfo("stopped"));
	ADD_SIGNAL(MethodInfo("stop_requested"));
	ADD_SIGNAL(MethodInfo("stack_frame_selected", PropertyInfo(Variant::INT, "frame")));
	ADD_SIGNAL(MethodInfo("error_selected", PropertyInfo(Variant::INT, "error")));
	ADD_SIGNAL(MethodInfo("breakpoint_selected", PropertyInfo("script"), PropertyInfo(Variant::INT, "line")));
	ADD_SIGNAL(MethodInfo("set_execution", PropertyInfo("script"), PropertyInfo(Variant::INT, "line")));
	ADD_SIGNAL(MethodInfo("clear_execution", PropertyInfo("script")));
	ADD_SIGNAL(MethodInfo("breaked", PropertyInfo(Variant::BOOL, "reallydid"), PropertyInfo(Variant::BOOL, "can_debug"), PropertyInfo(Variant::STRING, "reason"), PropertyInfo(Variant::BOOL, "has_stackdump")));
	ADD_SIGNAL(MethodInfo("remote_object_requested", PropertyInfo(Variant::INT, "id")));
	ADD_SIGNAL(MethodInfo("remote_object_updated", PropertyInfo(Variant::INT, "id")));
	ADD_SIGNAL(MethodInfo("remote_object_property_updated", PropertyInfo(Variant::INT, "id"), PropertyInfo(Variant::STRING, "property")));
	ADD_SIGNAL(MethodInfo("remote_tree_updated"));
	ADD_SIGNAL(MethodInfo("output", PropertyInfo(Variant::STRING, "msg"), PropertyInfo(Variant::INT, "level")));
	ADD_SIGNAL(MethodInfo("stack_dump", PropertyInfo(Variant::ARRAY, "stack_dump")));
	ADD_SIGNAL(MethodInfo("stack_frame_vars", PropertyInfo(Variant::INT, "num_vars")));
	ADD_SIGNAL(MethodInfo("stack_frame_var", PropertyInfo(Variant::ARRAY, "data")));
	ADD_SIGNAL(MethodInfo("debug_data", PropertyInfo(Variant::STRING, "msg"), PropertyInfo(Variant::ARRAY, "data")));
	ADD_SIGNAL(MethodInfo("set_breakpoint", PropertyInfo("script"), PropertyInfo(Variant::INT, "line"), PropertyInfo(Variant::BOOL, "enabled")));
	ADD_SIGNAL(MethodInfo("clear_breakpoints"));
	ADD_SIGNAL(MethodInfo("errors_cleared"));
}

void ScriptEditorDebugger::add_debugger_tab(Control *p_control) {
	tabs->add_child(p_control);
}

void ScriptEditorDebugger::remove_debugger_tab(Control *p_control) {
	int idx = tabs->get_tab_idx_from_control(p_control);
	ERR_FAIL_COND(idx < 0);
	p_control->queue_free();
}

int ScriptEditorDebugger::get_current_debugger_tab() const {
	return tabs->get_current_tab();
}

void ScriptEditorDebugger::switch_to_debugger(int p_debugger_tab_idx) {
	tabs->set_current_tab(p_debugger_tab_idx);
}

void ScriptEditorDebugger::send_message(const String &p_message, const Array &p_args) {
	_put_msg(p_message, p_args);
}

void ScriptEditorDebugger::toggle_profiler(const String &p_profiler, bool p_enable, const Array &p_data) {
	Array msg_data;
	msg_data.push_back(p_enable);
	msg_data.append_array(p_data);
	_put_msg("profiler:" + p_profiler, msg_data);
}

ScriptEditorDebugger::ScriptEditorDebugger() {
	tabs = memnew(TabContainer);
	add_child(tabs);
	tabs->connect("tab_changed", callable_mp(this, &ScriptEditorDebugger::_tab_changed));

	InspectorDock::get_inspector_singleton()->connect("object_id_selected", callable_mp(this, &ScriptEditorDebugger::_remote_object_selected));

	{ //debugger
		VBoxContainer *vbc = memnew(VBoxContainer);
		vbc->set_name(TTR("Stack Trace"));
		Control *dbg = vbc;

		HBoxContainer *hbc = memnew(HBoxContainer);
		vbc->add_child(hbc);

		reason = memnew(Label);
		reason->set_text("");
		hbc->add_child(reason);
		reason->set_h_size_flags(SIZE_EXPAND_FILL);
		reason->set_autowrap_mode(TextServer::AUTOWRAP_WORD_SMART);
		reason->set_max_lines_visible(3);
		reason->set_mouse_filter(Control::MOUSE_FILTER_PASS);

		hbc->add_child(memnew(VSeparator));

		skip_breakpoints = memnew(Button);
		skip_breakpoints->set_theme_type_variation("FlatButton");
		hbc->add_child(skip_breakpoints);
		skip_breakpoints->set_tooltip_text(TTR("Skip Breakpoints"));
		skip_breakpoints->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::debug_skip_breakpoints));

		hbc->add_child(memnew(VSeparator));

		copy = memnew(Button);
		copy->set_theme_type_variation("FlatButton");
		hbc->add_child(copy);
		copy->set_tooltip_text(TTR("Copy Error"));
		copy->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::debug_copy));

		hbc->add_child(memnew(VSeparator));

		step = memnew(Button);
		step->set_theme_type_variation("FlatButton");
		hbc->add_child(step);
		step->set_tooltip_text(TTR("Step Into"));
		step->set_shortcut(ED_GET_SHORTCUT("debugger/step_into"));
		step->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::debug_step));

		next = memnew(Button);
		next->set_theme_type_variation("FlatButton");
		hbc->add_child(next);
		next->set_tooltip_text(TTR("Step Over"));
		next->set_shortcut(ED_GET_SHORTCUT("debugger/step_over"));
		next->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::debug_next));

		hbc->add_child(memnew(VSeparator));

		dobreak = memnew(Button);
		dobreak->set_theme_type_variation("FlatButton");
		hbc->add_child(dobreak);
		dobreak->set_tooltip_text(TTR("Break"));
		dobreak->set_shortcut(ED_GET_SHORTCUT("debugger/break"));
		dobreak->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::debug_break));

		docontinue = memnew(Button);
		docontinue->set_theme_type_variation("FlatButton");
		hbc->add_child(docontinue);
		docontinue->set_tooltip_text(TTR("Continue"));
		docontinue->set_shortcut(ED_GET_SHORTCUT("debugger/continue"));
		docontinue->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::debug_continue));

		HSplitContainer *parent_sc = memnew(HSplitContainer);
		vbc->add_child(parent_sc);
		parent_sc->set_v_size_flags(SIZE_EXPAND_FILL);
		parent_sc->set_split_offset(500 * EDSCALE);

		HSplitContainer *sc = memnew(HSplitContainer);
		sc->set_v_size_flags(SIZE_EXPAND_FILL);
		sc->set_h_size_flags(SIZE_EXPAND_FILL);
		parent_sc->add_child(sc);

		VBoxContainer *stack_vb = memnew(VBoxContainer);
		stack_vb->set_h_size_flags(SIZE_EXPAND_FILL);
		sc->add_child(stack_vb);
		HBoxContainer *thread_hb = memnew(HBoxContainer);
		stack_vb->add_child(thread_hb);
		thread_hb->add_child(memnew(Label(TTR("Thread:"))));
		threads = memnew(OptionButton);
		thread_hb->add_child(threads);
		threads->set_h_size_flags(SIZE_EXPAND_FILL);
		threads->connect(SceneStringName(item_selected), callable_mp(this, &ScriptEditorDebugger::_select_thread));

		stack_dump = memnew(Tree);
		stack_dump->set_allow_reselect(true);
		stack_dump->set_columns(1);
		stack_dump->set_column_titles_visible(true);
		stack_dump->set_column_title(0, TTR("Stack Frames"));
		stack_dump->set_hide_root(true);
		stack_dump->set_v_size_flags(SIZE_EXPAND_FILL);
		stack_dump->connect("cell_selected", callable_mp(this, &ScriptEditorDebugger::_stack_dump_frame_selected));
		stack_vb->add_child(stack_dump);

		VBoxContainer *inspector_vbox = memnew(VBoxContainer);
		inspector_vbox->set_h_size_flags(SIZE_EXPAND_FILL);
		sc->add_child(inspector_vbox);

		HBoxContainer *tools_hb = memnew(HBoxContainer);
		inspector_vbox->add_child(tools_hb);

		search = memnew(LineEdit);
		search->set_h_size_flags(Control::SIZE_EXPAND_FILL);
		search->set_placeholder(TTR("Filter Stack Variables"));
		search->set_clear_button_enabled(true);
		tools_hb->add_child(search);

		inspector = memnew(EditorDebuggerInspector);
		inspector->set_h_size_flags(SIZE_EXPAND_FILL);
		inspector->set_v_size_flags(SIZE_EXPAND_FILL);
		inspector->set_property_name_style(EditorPropertyNameProcessor::STYLE_RAW);
		inspector->set_read_only(true);
		inspector->connect("object_selected", callable_mp(this, &ScriptEditorDebugger::_remote_object_selected));
		inspector->connect("object_edited", callable_mp(this, &ScriptEditorDebugger::_remote_object_edited));
		inspector->connect("object_property_updated", callable_mp(this, &ScriptEditorDebugger::_remote_object_property_updated));
		inspector->register_text_enter(search);
		inspector->set_use_filter(true);
		inspector_vbox->add_child(inspector);

		breakpoints_tree = memnew(Tree);
		breakpoints_tree->set_h_size_flags(SIZE_EXPAND_FILL);
		breakpoints_tree->set_column_titles_visible(true);
		breakpoints_tree->set_column_title(0, TTR("Breakpoints"));
		breakpoints_tree->set_allow_reselect(true);
		breakpoints_tree->set_allow_rmb_select(true);
		breakpoints_tree->set_hide_root(true);
		breakpoints_tree->connect("item_mouse_selected", callable_mp(this, &ScriptEditorDebugger::_breakpoints_item_rmb_selected));
		breakpoints_tree->create_item();

		parent_sc->add_child(breakpoints_tree);
		tabs->add_child(dbg);

		breakpoints_menu = memnew(PopupMenu);
		breakpoints_menu->connect(SceneStringName(id_pressed), callable_mp(this, &ScriptEditorDebugger::_item_menu_id_pressed));
		breakpoints_tree->add_child(breakpoints_menu);
	}

	{ //errors
		errors_tab = memnew(VBoxContainer);
		errors_tab->set_name(TTR("Errors"));

		HBoxContainer *error_hbox = memnew(HBoxContainer);
		errors_tab->add_child(error_hbox);

		expand_all_button = memnew(Button);
		expand_all_button->set_text(TTR("Expand All"));
		expand_all_button->set_disabled(true);
		expand_all_button->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::_expand_errors_list));
		error_hbox->add_child(expand_all_button);

		collapse_all_button = memnew(Button);
		collapse_all_button->set_text(TTR("Collapse All"));
		collapse_all_button->set_disabled(true);
		collapse_all_button->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::_collapse_errors_list));
		error_hbox->add_child(collapse_all_button);

		Control *space = memnew(Control);
		space->set_h_size_flags(SIZE_EXPAND_FILL);
		error_hbox->add_child(space);

		clear_button = memnew(Button);
		clear_button->set_text(TTR("Clear"));
		clear_button->set_h_size_flags(0);
		clear_button->set_disabled(true);
		clear_button->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::_clear_errors_list));
		error_hbox->add_child(clear_button);

		error_tree = memnew(Tree);
		error_tree->set_columns(2);

		error_tree->set_column_expand(0, false);
		error_tree->set_column_custom_minimum_width(0, 140);
		error_tree->set_column_clip_content(0, true);

		error_tree->set_column_expand(1, true);
		error_tree->set_column_clip_content(1, true);

		error_tree->set_select_mode(Tree::SELECT_ROW);
		error_tree->set_hide_root(true);
		error_tree->set_v_size_flags(SIZE_EXPAND_FILL);
		error_tree->set_allow_rmb_select(true);
		error_tree->set_allow_reselect(true);
		error_tree->connect("item_mouse_selected", callable_mp(this, &ScriptEditorDebugger::_error_tree_item_rmb_selected));
		errors_tab->add_child(error_tree);

		item_menu = memnew(PopupMenu);
		item_menu->connect(SceneStringName(id_pressed), callable_mp(this, &ScriptEditorDebugger::_item_menu_id_pressed));
		error_tree->add_child(item_menu);

		tabs->add_child(errors_tab);
	}

	{ // File dialog
		file_dialog = memnew(EditorFileDialog);
		file_dialog->connect("file_selected", callable_mp(this, &ScriptEditorDebugger::_file_selected));
		add_child(file_dialog);
	}

	{ // Expression evaluator
		expression_evaluator = memnew(EditorExpressionEvaluator);
		expression_evaluator->set_name(TTR("Evaluator"));
		expression_evaluator->set_editor_debugger(this);
		tabs->add_child(expression_evaluator);
	}

	{ //profiler
		profiler = memnew(EditorProfiler);
		profiler->set_name(TTR("Profiler"));
		tabs->add_child(profiler);
		profiler->connect("enable_profiling", callable_mp(this, &ScriptEditorDebugger::_profiler_activate).bind(PROFILER_SCRIPTS_SERVERS));
		profiler->connect("break_request", callable_mp(this, &ScriptEditorDebugger::_profiler_seeked));
	}

	{ //frame profiler
		visual_profiler = memnew(EditorVisualProfiler);
		visual_profiler->set_name(TTR("Visual Profiler"));
		tabs->add_child(visual_profiler);
		visual_profiler->connect("enable_profiling", callable_mp(this, &ScriptEditorDebugger::_profiler_activate).bind(PROFILER_VISUAL));
	}

	{ //monitors
		performance_profiler = memnew(EditorPerformanceProfiler);
		tabs->add_child(performance_profiler);
	}

	{ //vmem inspect
		VBoxContainer *vmem_vb = memnew(VBoxContainer);
		HBoxContainer *vmem_hb = memnew(HBoxContainer);
		Label *vmlb = memnew(Label(TTR("List of Video Memory Usage by Resource:") + " "));
		vmlb->set_theme_type_variation("HeaderSmall");

		vmlb->set_h_size_flags(SIZE_EXPAND_FILL);
		vmem_hb->add_child(vmlb);
		vmem_hb->add_child(memnew(Label(TTR("Total:") + " ")));
		vmem_total = memnew(LineEdit);
		vmem_total->set_editable(false);
		vmem_total->set_custom_minimum_size(Size2(100, 0) * EDSCALE);
		vmem_hb->add_child(vmem_total);
		vmem_refresh = memnew(Button);
		vmem_refresh->set_theme_type_variation("FlatButton");
		vmem_hb->add_child(vmem_refresh);
		vmem_export = memnew(Button);
		vmem_export->set_theme_type_variation("FlatButton");
		vmem_export->set_tooltip_text(TTR("Export list to a CSV file"));
		vmem_hb->add_child(vmem_export);
		vmem_vb->add_child(vmem_hb);
		vmem_refresh->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::_video_mem_request));
		vmem_export->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::_video_mem_export));

		VBoxContainer *vmmc = memnew(VBoxContainer);
		vmem_tree = memnew(Tree);
		vmem_tree->set_v_size_flags(SIZE_EXPAND_FILL);
		vmem_tree->set_h_size_flags(SIZE_EXPAND_FILL);
		vmmc->add_child(vmem_tree);
		vmmc->set_v_size_flags(SIZE_EXPAND_FILL);
		vmem_vb->add_child(vmmc);

		vmem_vb->set_name(TTR("Video RAM"));
		vmem_tree->set_columns(4);
		vmem_tree->set_column_titles_visible(true);
		vmem_tree->set_column_title(0, TTR("Resource Path"));
		vmem_tree->set_column_expand(0, true);
		vmem_tree->set_column_expand(1, false);
		vmem_tree->set_column_title(1, TTR("Type"));
		vmem_tree->set_column_custom_minimum_width(1, 100 * EDSCALE);
		vmem_tree->set_column_expand(2, false);
		vmem_tree->set_column_title(2, TTR("Format"));
		vmem_tree->set_column_custom_minimum_width(2, 150 * EDSCALE);
		vmem_tree->set_column_expand(3, false);
		vmem_tree->set_column_title(3, TTR("Usage"));
		vmem_tree->set_column_custom_minimum_width(3, 80 * EDSCALE);
		vmem_tree->set_hide_root(true);

		tabs->add_child(vmem_vb);
	}

	{ // misc
		VBoxContainer *misc = memnew(VBoxContainer);
		misc->set_name(TTR("Misc"));
		tabs->add_child(misc);

		GridContainer *info_left = memnew(GridContainer);
		info_left->set_columns(2);
		misc->add_child(info_left);
		clicked_ctrl = memnew(LineEdit);
		clicked_ctrl->set_editable(false);
		clicked_ctrl->set_h_size_flags(SIZE_EXPAND_FILL);
		info_left->add_child(memnew(Label(TTR("Clicked Control:"))));
		info_left->add_child(clicked_ctrl);
		clicked_ctrl_type = memnew(LineEdit);
		clicked_ctrl_type->set_editable(false);
		info_left->add_child(memnew(Label(TTR("Clicked Control Type:"))));
		info_left->add_child(clicked_ctrl_type);

		scene_tree = memnew(SceneDebuggerTree);
		live_edit_root = memnew(LineEdit);
		live_edit_root->set_editable(false);
		live_edit_root->set_h_size_flags(SIZE_EXPAND_FILL);

		{
			HBoxContainer *lehb = memnew(HBoxContainer);
			Label *l = memnew(Label(TTR("Live Edit Root:")));
			info_left->add_child(l);
			lehb->add_child(live_edit_root);
			le_set = memnew(Button(TTR("Set From Tree")));
			lehb->add_child(le_set);
			le_clear = memnew(Button(TTR("Clear")));
			lehb->add_child(le_clear);
			info_left->add_child(lehb);
		}

		misc->add_child(memnew(VSeparator));

		HBoxContainer *buttons = memnew(HBoxContainer);

		export_csv = memnew(Button(TTR("Export measures as CSV")));
		export_csv->connect(SceneStringName(pressed), callable_mp(this, &ScriptEditorDebugger::_export_csv));
		buttons->add_child(export_csv);

		misc->add_child(buttons);
	}

	msgdialog = memnew(AcceptDialog);
	add_child(msgdialog);

	live_debug = true;
	camera_override = CameraOverride::OVERRIDE_NONE;
	last_path_id = false;
	error_count = 0;
	warning_count = 0;
	_update_buttons_state();
}

ScriptEditorDebugger::~ScriptEditorDebugger() {
	if (peer.is_valid()) {
		peer->close();
		peer.unref();
	}
	memdelete(scene_tree);
}