d95794ec8a
As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see".
389 lines
15 KiB
C++
389 lines
15 KiB
C++
/**************************************************************************/
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/* local_debugger.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "local_debugger.h"
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#include "core/debugger/script_debugger.h"
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#include "core/os/os.h"
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struct LocalDebugger::ScriptsProfiler {
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struct ProfileInfoSort {
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bool operator()(const ScriptLanguage::ProfilingInfo &A, const ScriptLanguage::ProfilingInfo &B) const {
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return A.total_time > B.total_time;
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}
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};
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double frame_time = 0;
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uint64_t idle_accum = 0;
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Vector<ScriptLanguage::ProfilingInfo> pinfo;
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void toggle(bool p_enable, const Array &p_opts) {
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if (p_enable) {
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for (int i = 0; i < ScriptServer::get_language_count(); i++) {
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ScriptServer::get_language(i)->profiling_start();
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}
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print_line("BEGIN PROFILING");
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pinfo.resize(32768);
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} else {
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_print_frame_data(true);
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for (int i = 0; i < ScriptServer::get_language_count(); i++) {
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ScriptServer::get_language(i)->profiling_stop();
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}
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}
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}
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void tick(double p_frame_time, double p_process_time, double p_physics_time, double p_physics_frame_time) {
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frame_time = p_frame_time;
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_print_frame_data(false);
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}
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void _print_frame_data(bool p_accumulated) {
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uint64_t diff = OS::get_singleton()->get_ticks_usec() - idle_accum;
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if (!p_accumulated && diff < 1000000) { //show every one second
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return;
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}
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idle_accum = OS::get_singleton()->get_ticks_usec();
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int ofs = 0;
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for (int i = 0; i < ScriptServer::get_language_count(); i++) {
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if (p_accumulated) {
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ofs += ScriptServer::get_language(i)->profiling_get_accumulated_data(&pinfo.write[ofs], pinfo.size() - ofs);
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} else {
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ofs += ScriptServer::get_language(i)->profiling_get_frame_data(&pinfo.write[ofs], pinfo.size() - ofs);
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}
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}
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SortArray<ScriptLanguage::ProfilingInfo, ProfileInfoSort> sort;
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sort.sort(pinfo.ptrw(), ofs);
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// compute total script frame time
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uint64_t script_time_us = 0;
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for (int i = 0; i < ofs; i++) {
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script_time_us += pinfo[i].self_time;
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}
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double script_time = USEC_TO_SEC(script_time_us);
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double total_time = p_accumulated ? script_time : frame_time;
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if (!p_accumulated) {
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print_line("FRAME: total: " + rtos(total_time) + " script: " + rtos(script_time) + "/" + itos(script_time * 100 / total_time) + " %");
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} else {
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print_line("ACCUMULATED: total: " + rtos(total_time));
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}
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for (int i = 0; i < ofs; i++) {
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print_line(itos(i) + ":" + pinfo[i].signature);
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double tt = USEC_TO_SEC(pinfo[i].total_time);
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double st = USEC_TO_SEC(pinfo[i].self_time);
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print_line("\ttotal: " + rtos(tt) + "/" + itos(tt * 100 / total_time) + " % \tself: " + rtos(st) + "/" + itos(st * 100 / total_time) + " % tcalls: " + itos(pinfo[i].call_count));
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}
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}
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ScriptsProfiler() {
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idle_accum = OS::get_singleton()->get_ticks_usec();
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}
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};
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void LocalDebugger::debug(bool p_can_continue, bool p_is_error_breakpoint) {
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ScriptLanguage *script_lang = script_debugger->get_break_language();
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if (!target_function.is_empty()) {
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String current_function = script_lang->debug_get_stack_level_function(0);
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if (current_function != target_function) {
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script_debugger->set_depth(0);
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script_debugger->set_lines_left(1);
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return;
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}
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target_function = "";
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}
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print_line("\nDebugger Break, Reason: '" + script_lang->debug_get_error() + "'");
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print_line("*Frame " + itos(0) + " - " + script_lang->debug_get_stack_level_source(0) + ":" + itos(script_lang->debug_get_stack_level_line(0)) + " in function '" + script_lang->debug_get_stack_level_function(0) + "'");
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print_line("Enter \"help\" for assistance.");
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int current_frame = 0;
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int total_frames = script_lang->debug_get_stack_level_count();
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while (true) {
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OS::get_singleton()->print("debug> ");
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String line = OS::get_singleton()->get_stdin_string().strip_edges();
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// Cache options
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String variable_prefix = options["variable_prefix"];
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if (line.is_empty()) {
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print_line("\nDebugger Break, Reason: '" + script_lang->debug_get_error() + "'");
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print_line("*Frame " + itos(current_frame) + " - " + script_lang->debug_get_stack_level_source(current_frame) + ":" + itos(script_lang->debug_get_stack_level_line(current_frame)) + " in function '" + script_lang->debug_get_stack_level_function(current_frame) + "'");
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print_line("Enter \"help\" for assistance.");
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} else if (line == "c" || line == "continue") {
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break;
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} else if (line == "bt" || line == "breakpoint") {
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for (int i = 0; i < total_frames; i++) {
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String cfi = (current_frame == i) ? "*" : " "; //current frame indicator
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print_line(cfi + "Frame " + itos(i) + " - " + script_lang->debug_get_stack_level_source(i) + ":" + itos(script_lang->debug_get_stack_level_line(i)) + " in function '" + script_lang->debug_get_stack_level_function(i) + "'");
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}
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} else if (line.begins_with("fr") || line.begins_with("frame")) {
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if (line.get_slice_count(" ") == 1) {
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print_line("*Frame " + itos(current_frame) + " - " + script_lang->debug_get_stack_level_source(current_frame) + ":" + itos(script_lang->debug_get_stack_level_line(current_frame)) + " in function '" + script_lang->debug_get_stack_level_function(current_frame) + "'");
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} else {
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int frame = line.get_slicec(' ', 1).to_int();
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if (frame < 0 || frame >= total_frames) {
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print_line("Error: Invalid frame.");
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} else {
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current_frame = frame;
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print_line("*Frame " + itos(frame) + " - " + script_lang->debug_get_stack_level_source(frame) + ":" + itos(script_lang->debug_get_stack_level_line(frame)) + " in function '" + script_lang->debug_get_stack_level_function(frame) + "'");
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}
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}
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} else if (line.begins_with("set")) {
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if (line.get_slice_count(" ") == 1) {
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for (const KeyValue<String, String> &E : options) {
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print_line("\t" + E.key + "=" + E.value);
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}
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} else {
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String key_value = line.get_slicec(' ', 1);
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int value_pos = key_value.find("=");
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if (value_pos < 0) {
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print_line("Error: Invalid set format. Use: set key=value");
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} else {
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String key = key_value.left(value_pos);
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if (!options.has(key)) {
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print_line("Error: Unknown option " + key);
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} else {
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// Allow explicit tab character
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String value = key_value.substr(value_pos + 1).replace("\\t", "\t");
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options[key] = value;
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}
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}
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}
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} else if (line == "lv" || line == "locals") {
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List<String> locals;
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List<Variant> values;
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script_lang->debug_get_stack_level_locals(current_frame, &locals, &values);
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print_variables(locals, values, variable_prefix);
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} else if (line == "gv" || line == "globals") {
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List<String> globals;
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List<Variant> values;
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script_lang->debug_get_globals(&globals, &values);
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print_variables(globals, values, variable_prefix);
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} else if (line == "mv" || line == "members") {
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List<String> members;
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List<Variant> values;
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script_lang->debug_get_stack_level_members(current_frame, &members, &values);
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print_variables(members, values, variable_prefix);
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} else if (line.begins_with("p") || line.begins_with("print")) {
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if (line.get_slice_count(" ") <= 1) {
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print_line("Usage: print <expre>");
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} else {
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String expr = line.get_slicec(' ', 2);
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String res = script_lang->debug_parse_stack_level_expression(current_frame, expr);
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print_line(res);
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}
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} else if (line == "s" || line == "step") {
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script_debugger->set_depth(-1);
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script_debugger->set_lines_left(1);
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break;
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} else if (line == "n" || line == "next") {
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script_debugger->set_depth(0);
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script_debugger->set_lines_left(1);
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break;
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} else if (line == "fin" || line == "finish") {
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String current_function = script_lang->debug_get_stack_level_function(0);
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for (int i = 0; i < total_frames; i++) {
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target_function = script_lang->debug_get_stack_level_function(i);
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if (target_function != current_function) {
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script_debugger->set_depth(0);
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script_debugger->set_lines_left(1);
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return;
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}
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}
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print_line("Error: Reached last frame.");
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target_function = "";
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} else if (line.begins_with("br") || line.begins_with("break")) {
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if (line.get_slice_count(" ") <= 1) {
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const HashMap<int, HashSet<StringName>> &breakpoints = script_debugger->get_breakpoints();
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if (breakpoints.size() == 0) {
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print_line("No Breakpoints.");
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continue;
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}
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print_line("Breakpoint(s): " + itos(breakpoints.size()));
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for (const KeyValue<int, HashSet<StringName>> &E : breakpoints) {
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print_line("\t" + String(*E.value.begin()) + ":" + itos(E.key));
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}
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} else {
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Pair<String, int> breakpoint = to_breakpoint(line);
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String source = breakpoint.first;
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int linenr = breakpoint.second;
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if (source.is_empty()) {
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continue;
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}
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script_debugger->insert_breakpoint(linenr, source);
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print_line("Added breakpoint at " + source + ":" + itos(linenr));
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}
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} else if (line == "q" || line == "quit") {
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// Do not stop again on quit
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script_debugger->clear_breakpoints();
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script_debugger->set_depth(-1);
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script_debugger->set_lines_left(-1);
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MainLoop *main_loop = OS::get_singleton()->get_main_loop();
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if (main_loop->get_class() == "SceneTree") {
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main_loop->call("quit");
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}
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break;
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} else if (line.begins_with("delete")) {
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if (line.get_slice_count(" ") <= 1) {
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script_debugger->clear_breakpoints();
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} else {
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Pair<String, int> breakpoint = to_breakpoint(line);
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String source = breakpoint.first;
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int linenr = breakpoint.second;
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if (source.is_empty()) {
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continue;
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}
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script_debugger->remove_breakpoint(linenr, source);
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print_line("Removed breakpoint at " + source + ":" + itos(linenr));
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}
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} else if (line == "h" || line == "help") {
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print_line("Built-In Debugger command list:\n");
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print_line("\tc,continue\t\t Continue execution.");
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print_line("\tbt,backtrace\t\t Show stack trace (frames).");
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print_line("\tfr,frame <frame>:\t Change current frame.");
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print_line("\tlv,locals\t\t Show local variables for current frame.");
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print_line("\tmv,members\t\t Show member variables for \"this\" in frame.");
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print_line("\tgv,globals\t\t Show global variables.");
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print_line("\tp,print <expr>\t\t Execute and print variable in expression.");
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print_line("\ts,step\t\t\t Step to next line.");
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print_line("\tn,next\t\t\t Next line.");
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print_line("\tfin,finish\t\t Step out of current frame.");
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print_line("\tbr,break [source:line]\t List all breakpoints or place a breakpoint.");
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print_line("\tdelete [source:line]:\t Delete one/all breakpoints.");
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print_line("\tset [key=value]:\t List all options, or set one.");
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print_line("\tq,quit\t\t\t Quit application.");
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} else {
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print_line("Error: Invalid command, enter \"help\" for assistance.");
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}
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}
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}
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void LocalDebugger::print_variables(const List<String> &names, const List<Variant> &values, const String &variable_prefix) {
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String value;
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Vector<String> value_lines;
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const List<Variant>::Element *V = values.front();
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for (const String &E : names) {
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value = String(V->get());
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if (variable_prefix.is_empty()) {
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print_line(E + ": " + String(V->get()));
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} else {
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print_line(E + ":");
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value_lines = value.split("\n");
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for (int i = 0; i < value_lines.size(); ++i) {
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print_line(variable_prefix + value_lines[i]);
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}
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}
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V = V->next();
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}
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}
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Pair<String, int> LocalDebugger::to_breakpoint(const String &p_line) {
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String breakpoint_part = p_line.get_slicec(' ', 1);
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Pair<String, int> breakpoint;
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int last_colon = breakpoint_part.rfind(":");
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if (last_colon < 0) {
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print_line("Error: Invalid breakpoint format. Expected [source:line]");
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return breakpoint;
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}
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breakpoint.first = script_debugger->breakpoint_find_source(breakpoint_part.left(last_colon).strip_edges());
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breakpoint.second = breakpoint_part.substr(last_colon).strip_edges().to_int();
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return breakpoint;
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}
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void LocalDebugger::send_message(const String &p_message, const Array &p_args) {
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// This needs to be cleaned up entirely.
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// print_line("MESSAGE: '" + p_message + "' - " + String(Variant(p_args)));
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}
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void LocalDebugger::send_error(const String &p_func, const String &p_file, int p_line, const String &p_err, const String &p_descr, bool p_editor_notify, ErrorHandlerType p_type) {
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print_line("ERROR: '" + (p_descr.is_empty() ? p_err : p_descr) + "'");
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}
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LocalDebugger::LocalDebugger() {
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options["variable_prefix"] = "";
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// Bind scripts profiler.
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scripts_profiler = memnew(ScriptsProfiler);
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Profiler scr_prof(
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scripts_profiler,
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[](void *p_user, bool p_enable, const Array &p_opts) {
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static_cast<ScriptsProfiler *>(p_user)->toggle(p_enable, p_opts);
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},
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nullptr,
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[](void *p_user, double p_frame_time, double p_process_time, double p_physics_time, double p_physics_frame_time) {
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static_cast<ScriptsProfiler *>(p_user)->tick(p_frame_time, p_process_time, p_physics_time, p_physics_frame_time);
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});
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register_profiler("scripts", scr_prof);
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}
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LocalDebugger::~LocalDebugger() {
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unregister_profiler("scripts");
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if (scripts_profiler) {
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memdelete(scripts_profiler);
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}
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}
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