godot/core/script_debugger_local.cpp
Rémi Verschelde 1426cd3b3a
One Copyright Update to rule them all
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".

Backported from #70885.
2023-01-10 15:26:54 +01:00

390 lines
14 KiB
C++

/**************************************************************************/
/* script_debugger_local.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_debugger_local.h"
#include "core/os/os.h"
#include "scene/main/scene_tree.h"
void ScriptDebuggerLocal::debug(ScriptLanguage *p_script, bool p_can_continue, bool p_is_error_breakpoint) {
if (!target_function.empty()) {
String current_function = p_script->debug_get_stack_level_function(0);
if (current_function != target_function) {
set_depth(0);
set_lines_left(1);
return;
}
target_function = "";
}
print_line("\nDebugger Break, Reason: '" + p_script->debug_get_error() + "'");
print_line("*Frame " + itos(0) + " - " + p_script->debug_get_stack_level_source(0) + ":" + itos(p_script->debug_get_stack_level_line(0)) + " in function '" + p_script->debug_get_stack_level_function(0) + "'");
print_line("Enter \"help\" for assistance.");
int current_frame = 0;
int total_frames = p_script->debug_get_stack_level_count();
while (true) {
OS::get_singleton()->print("debug> ");
String line = OS::get_singleton()->get_stdin_string().strip_edges();
// Cache options
String variable_prefix = options["variable_prefix"];
if (line == "") {
print_line("\nDebugger Break, Reason: '" + p_script->debug_get_error() + "'");
print_line("*Frame " + itos(current_frame) + " - " + p_script->debug_get_stack_level_source(current_frame) + ":" + itos(p_script->debug_get_stack_level_line(current_frame)) + " in function '" + p_script->debug_get_stack_level_function(current_frame) + "'");
print_line("Enter \"help\" for assistance.");
} else if (line == "c" || line == "continue") {
break;
} else if (line == "bt" || line == "breakpoint") {
for (int i = 0; i < total_frames; i++) {
String cfi = (current_frame == i) ? "*" : " "; //current frame indicator
print_line(cfi + "Frame " + itos(i) + " - " + p_script->debug_get_stack_level_source(i) + ":" + itos(p_script->debug_get_stack_level_line(i)) + " in function '" + p_script->debug_get_stack_level_function(i) + "'");
}
} else if (line.begins_with("fr") || line.begins_with("frame")) {
if (line.get_slice_count(" ") == 1) {
print_line("*Frame " + itos(current_frame) + " - " + p_script->debug_get_stack_level_source(current_frame) + ":" + itos(p_script->debug_get_stack_level_line(current_frame)) + " in function '" + p_script->debug_get_stack_level_function(current_frame) + "'");
} else {
int frame = line.get_slicec(' ', 1).to_int();
if (frame < 0 || frame >= total_frames) {
print_line("Error: Invalid frame.");
} else {
current_frame = frame;
print_line("*Frame " + itos(frame) + " - " + p_script->debug_get_stack_level_source(frame) + ":" + itos(p_script->debug_get_stack_level_line(frame)) + " in function '" + p_script->debug_get_stack_level_function(frame) + "'");
}
}
} else if (line.begins_with("set")) {
if (line.get_slice_count(" ") == 1) {
for (Map<String, String>::Element *E = options.front(); E; E = E->next()) {
print_line("\t" + E->key() + "=" + E->value());
}
} else {
String key_value = line.get_slicec(' ', 1);
int value_pos = key_value.find("=");
if (value_pos < 0) {
print_line("Error: Invalid set format. Use: set key=value");
} else {
String key = key_value.left(value_pos);
if (!options.has(key)) {
print_line("Error: Unknown option " + key);
} else {
// Allow explicit tab character
String value = key_value.right(value_pos + 1).replace("\\t", "\t");
options[key] = value;
}
}
}
} else if (line == "lv" || line == "locals") {
List<String> locals;
List<Variant> values;
p_script->debug_get_stack_level_locals(current_frame, &locals, &values);
print_variables(locals, values, variable_prefix);
} else if (line == "gv" || line == "globals") {
List<String> globals;
List<Variant> values;
p_script->debug_get_globals(&globals, &values);
print_variables(globals, values, variable_prefix);
} else if (line == "mv" || line == "members") {
List<String> members;
List<Variant> values;
p_script->debug_get_stack_level_members(current_frame, &members, &values);
print_variables(members, values, variable_prefix);
} else if (line.begins_with("p") || line.begins_with("print")) {
if (line.get_slice_count(" ") <= 1) {
print_line("Usage: print <expre>");
} else {
String expr = line.get_slicec(' ', 2);
String res = p_script->debug_parse_stack_level_expression(current_frame, expr);
print_line(res);
}
} else if (line == "s" || line == "step") {
set_depth(-1);
set_lines_left(1);
break;
} else if (line == "n" || line == "next") {
set_depth(0);
set_lines_left(1);
break;
} else if (line == "fin" || line == "finish") {
String current_function = p_script->debug_get_stack_level_function(0);
for (int i = 0; i < total_frames; i++) {
target_function = p_script->debug_get_stack_level_function(i);
if (target_function != current_function) {
set_depth(0);
set_lines_left(1);
return;
}
}
print_line("Error: Reached last frame.");
target_function = "";
} else if (line.begins_with("br") || line.begins_with("break")) {
if (line.get_slice_count(" ") <= 1) {
const Map<int, Set<StringName>> &breakpoints = get_breakpoints();
if (breakpoints.size() == 0) {
print_line("No Breakpoints.");
continue;
}
print_line("Breakpoint(s): " + itos(breakpoints.size()));
for (Map<int, Set<StringName>>::Element *E = breakpoints.front(); E; E = E->next()) {
print_line("\t" + String(E->value().front()->get()) + ":" + itos(E->key()));
}
} else {
Pair<String, int> breakpoint = to_breakpoint(line);
String source = breakpoint.first;
int linenr = breakpoint.second;
if (source.empty()) {
continue;
}
insert_breakpoint(linenr, source);
print_line("Added breakpoint at " + source + ":" + itos(linenr));
}
} else if (line == "q" || line == "quit") {
// Do not stop again on quit
clear_breakpoints();
ScriptDebugger::get_singleton()->set_depth(-1);
ScriptDebugger::get_singleton()->set_lines_left(-1);
SceneTree::get_singleton()->quit();
break;
} else if (line.begins_with("delete")) {
if (line.get_slice_count(" ") <= 1) {
clear_breakpoints();
} else {
Pair<String, int> breakpoint = to_breakpoint(line);
String source = breakpoint.first;
int linenr = breakpoint.second;
if (source.empty()) {
continue;
}
remove_breakpoint(linenr, source);
print_line("Removed breakpoint at " + source + ":" + itos(linenr));
}
} else if (line == "h" || line == "help") {
print_line("Built-In Debugger command list:\n");
print_line("\tc,continue\t\t Continue execution.");
print_line("\tbt,backtrace\t\t Show stack trace (frames).");
print_line("\tfr,frame <frame>:\t Change current frame.");
print_line("\tlv,locals\t\t Show local variables for current frame.");
print_line("\tmv,members\t\t Show member variables for \"this\" in frame.");
print_line("\tgv,globals\t\t Show global variables.");
print_line("\tp,print <expr>\t\t Execute and print variable in expression.");
print_line("\ts,step\t\t\t Step to next line.");
print_line("\tn,next\t\t\t Next line.");
print_line("\tfin,finish\t\t Step out of current frame.");
print_line("\tbr,break [source:line]\t List all breakpoints or place a breakpoint.");
print_line("\tdelete [source:line]:\t Delete one/all breakpoints.");
print_line("\tset [key=value]:\t List all options, or set one.");
print_line("\tq,quit\t\t\t Quit application.");
} else {
print_line("Error: Invalid command, enter \"help\" for assistance.");
}
}
}
void ScriptDebuggerLocal::print_variables(const List<String> &names, const List<Variant> &values, const String &variable_prefix) {
String value;
Vector<String> value_lines;
const List<Variant>::Element *V = values.front();
for (const List<String>::Element *E = names.front(); E; E = E->next()) {
value = String(V->get());
if (variable_prefix.empty()) {
print_line(E->get() + ": " + String(V->get()));
} else {
print_line(E->get() + ":");
value_lines = value.split("\n");
for (int i = 0; i < value_lines.size(); ++i) {
print_line(variable_prefix + value_lines[i]);
}
}
V = V->next();
}
}
Pair<String, int> ScriptDebuggerLocal::to_breakpoint(const String &p_line) {
String breakpoint_part = p_line.get_slicec(' ', 1);
Pair<String, int> breakpoint;
int last_colon = breakpoint_part.rfind(":");
if (last_colon < 0) {
print_line("Error: Invalid breakpoint format. Expected [source:line]");
return breakpoint;
}
breakpoint.first = breakpoint_find_source(breakpoint_part.left(last_colon).strip_edges());
breakpoint.second = breakpoint_part.right(last_colon).strip_edges().to_int();
return breakpoint;
}
struct _ScriptDebuggerLocalProfileInfoSort {
bool operator()(const ScriptLanguage::ProfilingInfo &A, const ScriptLanguage::ProfilingInfo &B) const {
return A.total_time > B.total_time;
}
};
void ScriptDebuggerLocal::profiling_set_frame_times(float p_frame_time, float p_process_time, float p_physics_time, float p_physics_frame_time) {
frame_time = p_frame_time;
process_time = p_process_time;
physics_time = p_physics_time;
physics_frame_time = p_physics_frame_time;
}
void ScriptDebuggerLocal::idle_poll() {
if (!profiling) {
return;
}
uint64_t diff = OS::get_singleton()->get_ticks_usec() - idle_accum;
if (diff < 1000000) { //show every one second
return;
}
idle_accum = OS::get_singleton()->get_ticks_usec();
int ofs = 0;
for (int i = 0; i < ScriptServer::get_language_count(); i++) {
ofs += ScriptServer::get_language(i)->profiling_get_frame_data(&pinfo.write[ofs], pinfo.size() - ofs);
}
SortArray<ScriptLanguage::ProfilingInfo, _ScriptDebuggerLocalProfileInfoSort> sort;
sort.sort(pinfo.ptrw(), ofs);
//falta el frame time
uint64_t script_time_us = 0;
for (int i = 0; i < ofs; i++) {
script_time_us += pinfo[i].self_time;
}
float script_time = USEC_TO_SEC(script_time_us);
float total_time = frame_time;
//print script total
print_line("FRAME: total: " + rtos(frame_time) + " script: " + rtos(script_time) + "/" + itos(script_time * 100 / total_time) + " %");
for (int i = 0; i < ofs; i++) {
print_line(itos(i) + ":" + pinfo[i].signature);
float tt = USEC_TO_SEC(pinfo[i].total_time);
float st = USEC_TO_SEC(pinfo[i].self_time);
print_line("\ttotal: " + rtos(tt) + "/" + itos(tt * 100 / total_time) + " % \tself: " + rtos(st) + "/" + itos(st * 100 / total_time) + " % tcalls: " + itos(pinfo[i].call_count));
}
}
void ScriptDebuggerLocal::profiling_start() {
for (int i = 0; i < ScriptServer::get_language_count(); i++) {
ScriptServer::get_language(i)->profiling_start();
}
print_line("BEGIN PROFILING");
profiling = true;
pinfo.resize(32768);
frame_time = 0;
physics_time = 0;
process_time = 0;
physics_frame_time = 0;
}
void ScriptDebuggerLocal::profiling_end() {
int ofs = 0;
for (int i = 0; i < ScriptServer::get_language_count(); i++) {
ofs += ScriptServer::get_language(i)->profiling_get_accumulated_data(&pinfo.write[ofs], pinfo.size() - ofs);
}
SortArray<ScriptLanguage::ProfilingInfo, _ScriptDebuggerLocalProfileInfoSort> sort;
sort.sort(pinfo.ptrw(), ofs);
uint64_t total_us = 0;
for (int i = 0; i < ofs; i++) {
total_us += pinfo[i].self_time;
}
float total_time = total_us / 1000000.0;
for (int i = 0; i < ofs; i++) {
print_line(itos(i) + ":" + pinfo[i].signature);
float tt = USEC_TO_SEC(pinfo[i].total_time);
float st = USEC_TO_SEC(pinfo[i].self_time);
print_line("\ttotal_ms: " + rtos(tt) + "\tself_ms: " + rtos(st) + "total%: " + itos(tt * 100 / total_time) + "\tself%: " + itos(st * 100 / total_time) + "\tcalls: " + itos(pinfo[i].call_count));
}
for (int i = 0; i < ScriptServer::get_language_count(); i++) {
ScriptServer::get_language(i)->profiling_stop();
}
profiling = false;
}
void ScriptDebuggerLocal::send_message(const String &p_message, const Array &p_args) {
// This needs to be cleaned up entirely.
// print_line("MESSAGE: '" + p_message + "' - " + String(Variant(p_args)));
}
void ScriptDebuggerLocal::send_error(const String &p_func, const String &p_file, int p_line, const String &p_err, const String &p_descr, ErrorHandlerType p_type, const Vector<ScriptLanguage::StackInfo> &p_stack_info) {
print_line("ERROR: '" + (p_descr.empty() ? p_err : p_descr) + "'");
}
ScriptDebuggerLocal::ScriptDebuggerLocal() {
profiling = false;
idle_accum = OS::get_singleton()->get_ticks_usec();
options["variable_prefix"] = "";
}