virtualx-engine/editor/debugger/debug_adapter/debug_adapter_parser.cpp
2022-07-26 08:28:19 -05:00

612 lines
20 KiB
C++

/*************************************************************************/
/* debug_adapter_parser.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "debug_adapter_parser.h"
#include "editor/debugger/editor_debugger_node.h"
#include "editor/debugger/script_editor_debugger.h"
#include "editor/editor_node.h"
#include "editor/editor_run_native.h"
#include "editor/export/editor_export_platform.h"
#include "editor/plugins/script_editor_plugin.h"
void DebugAdapterParser::_bind_methods() {
// Requests
ClassDB::bind_method(D_METHOD("req_initialize", "params"), &DebugAdapterParser::req_initialize);
ClassDB::bind_method(D_METHOD("req_disconnect", "params"), &DebugAdapterParser::req_disconnect);
ClassDB::bind_method(D_METHOD("req_launch", "params"), &DebugAdapterParser::req_launch);
ClassDB::bind_method(D_METHOD("req_attach", "params"), &DebugAdapterParser::req_attach);
ClassDB::bind_method(D_METHOD("req_restart", "params"), &DebugAdapterParser::req_restart);
ClassDB::bind_method(D_METHOD("req_terminate", "params"), &DebugAdapterParser::req_terminate);
ClassDB::bind_method(D_METHOD("req_configurationDone", "params"), &DebugAdapterParser::prepare_success_response);
ClassDB::bind_method(D_METHOD("req_pause", "params"), &DebugAdapterParser::req_pause);
ClassDB::bind_method(D_METHOD("req_continue", "params"), &DebugAdapterParser::req_continue);
ClassDB::bind_method(D_METHOD("req_threads", "params"), &DebugAdapterParser::req_threads);
ClassDB::bind_method(D_METHOD("req_stackTrace", "params"), &DebugAdapterParser::req_stackTrace);
ClassDB::bind_method(D_METHOD("req_setBreakpoints", "params"), &DebugAdapterParser::req_setBreakpoints);
ClassDB::bind_method(D_METHOD("req_breakpointLocations", "params"), &DebugAdapterParser::req_breakpointLocations);
ClassDB::bind_method(D_METHOD("req_scopes", "params"), &DebugAdapterParser::req_scopes);
ClassDB::bind_method(D_METHOD("req_variables", "params"), &DebugAdapterParser::req_variables);
ClassDB::bind_method(D_METHOD("req_next", "params"), &DebugAdapterParser::req_next);
ClassDB::bind_method(D_METHOD("req_stepIn", "params"), &DebugAdapterParser::req_stepIn);
ClassDB::bind_method(D_METHOD("req_evaluate", "params"), &DebugAdapterParser::req_evaluate);
ClassDB::bind_method(D_METHOD("req_godot/put_msg", "params"), &DebugAdapterParser::req_godot_put_msg);
}
Dictionary DebugAdapterParser::prepare_base_event() const {
Dictionary event;
event["type"] = "event";
return event;
}
Dictionary DebugAdapterParser::prepare_success_response(const Dictionary &p_params) const {
Dictionary response;
response["type"] = "response";
response["request_seq"] = p_params["seq"];
response["command"] = p_params["command"];
response["success"] = true;
return response;
}
Dictionary DebugAdapterParser::prepare_error_response(const Dictionary &p_params, DAP::ErrorType err_type, const Dictionary &variables) const {
Dictionary response, body;
response["type"] = "response";
response["request_seq"] = p_params["seq"];
response["command"] = p_params["command"];
response["success"] = false;
response["body"] = body;
DAP::Message message;
String error, error_desc;
switch (err_type) {
case DAP::ErrorType::WRONG_PATH:
error = "wrong_path";
error_desc = "The editor and client are working on different paths; the client is on \"{clientPath}\", but the editor is on \"{editorPath}\"";
break;
case DAP::ErrorType::NOT_RUNNING:
error = "not_running";
error_desc = "Can't attach to a running session since there isn't one.";
break;
case DAP::ErrorType::TIMEOUT:
error = "timeout";
error_desc = "Timeout reached while processing a request.";
break;
case DAP::ErrorType::UNKNOWN_PLATFORM:
error = "unknown_platform";
error_desc = "The specified platform is unknown.";
break;
case DAP::ErrorType::MISSING_DEVICE:
error = "missing_device";
error_desc = "There's no connected device with specified id.";
break;
case DAP::ErrorType::UNKNOWN:
default:
error = "unknown";
error_desc = "An unknown error has occurred when processing the request.";
break;
}
message.id = err_type;
message.format = error_desc;
message.variables = variables;
response["message"] = error;
body["error"] = message.to_json();
return response;
}
Dictionary DebugAdapterParser::req_initialize(const Dictionary &p_params) const {
Dictionary response = prepare_success_response(p_params);
Dictionary args = p_params["arguments"];
Ref<DAPeer> peer = DebugAdapterProtocol::get_singleton()->get_current_peer();
peer->linesStartAt1 = args.get("linesStartAt1", false);
peer->columnsStartAt1 = args.get("columnsStartAt1", false);
peer->supportsVariableType = args.get("supportsVariableType", false);
peer->supportsInvalidatedEvent = args.get("supportsInvalidatedEvent", false);
DAP::Capabilities caps;
response["body"] = caps.to_json();
DebugAdapterProtocol::get_singleton()->notify_initialized();
if (DebugAdapterProtocol::get_singleton()->_sync_breakpoints) {
// Send all current breakpoints
List<String> breakpoints;
ScriptEditor::get_singleton()->get_breakpoints(&breakpoints);
for (List<String>::Element *E = breakpoints.front(); E; E = E->next()) {
String breakpoint = E->get();
String path = breakpoint.left(breakpoint.find(":", 6)); // Skip initial part of path, aka "res://"
int line = breakpoint.substr(path.size()).to_int();
DebugAdapterProtocol::get_singleton()->on_debug_breakpoint_toggled(path, line, true);
}
} else {
// Remove all current breakpoints
EditorDebuggerNode::get_singleton()->get_default_debugger()->_clear_breakpoints();
}
return response;
}
Dictionary DebugAdapterParser::req_disconnect(const Dictionary &p_params) const {
if (!DebugAdapterProtocol::get_singleton()->get_current_peer()->attached) {
EditorNode::get_singleton()->run_stop();
}
return prepare_success_response(p_params);
}
Dictionary DebugAdapterParser::req_launch(const Dictionary &p_params) const {
Dictionary args = p_params["arguments"];
if (args.has("project") && !is_valid_path(args["project"])) {
Dictionary variables;
variables["clientPath"] = args["project"];
variables["editorPath"] = ProjectSettings::get_singleton()->get_resource_path();
return prepare_error_response(p_params, DAP::ErrorType::WRONG_PATH, variables);
}
if (args.has("godot/custom_data")) {
DebugAdapterProtocol::get_singleton()->get_current_peer()->supportsCustomData = args["godot/custom_data"];
}
ScriptEditorDebugger *dbg = EditorDebuggerNode::get_singleton()->get_default_debugger();
if ((bool)args["noDebug"] != dbg->is_skip_breakpoints()) {
dbg->debug_skip_breakpoints();
}
String platform_string = args.get("platform", "host");
if (platform_string == "host") {
EditorNode::get_singleton()->run_play();
} else {
int device = args.get("device", -1);
int idx = -1;
if (platform_string == "android") {
for (int i = 0; i < EditorExport::get_singleton()->get_export_platform_count(); i++) {
if (EditorExport::get_singleton()->get_export_platform(i)->get_name() == "Android") {
idx = i;
break;
}
}
} else if (platform_string == "web") {
for (int i = 0; i < EditorExport::get_singleton()->get_export_platform_count(); i++) {
if (EditorExport::get_singleton()->get_export_platform(i)->get_name() == "HTML5") {
idx = i;
break;
}
}
}
if (idx == -1) {
return prepare_error_response(p_params, DAP::ErrorType::UNKNOWN_PLATFORM);
}
EditorNode *editor = EditorNode::get_singleton();
Error err = platform_string == "android" ? editor->run_play_native(device, idx) : editor->run_play_native(-1, idx);
if (err) {
if (err == ERR_INVALID_PARAMETER && platform_string == "android") {
return prepare_error_response(p_params, DAP::ErrorType::MISSING_DEVICE);
} else {
return prepare_error_response(p_params, DAP::ErrorType::UNKNOWN);
}
}
}
DebugAdapterProtocol::get_singleton()->get_current_peer()->attached = false;
DebugAdapterProtocol::get_singleton()->notify_process();
return prepare_success_response(p_params);
}
Dictionary DebugAdapterParser::req_attach(const Dictionary &p_params) const {
ScriptEditorDebugger *dbg = EditorDebuggerNode::get_singleton()->get_default_debugger();
if (!dbg->is_session_active()) {
return prepare_error_response(p_params, DAP::ErrorType::NOT_RUNNING);
}
DebugAdapterProtocol::get_singleton()->get_current_peer()->attached = true;
DebugAdapterProtocol::get_singleton()->notify_process();
return prepare_success_response(p_params);
}
Dictionary DebugAdapterParser::req_restart(const Dictionary &p_params) const {
// Extract embedded "arguments" so it can be given to req_launch/req_attach
Dictionary params = p_params, args;
args = params["arguments"];
args = args["arguments"];
params["arguments"] = args;
Dictionary response = DebugAdapterProtocol::get_singleton()->get_current_peer()->attached ? req_attach(params) : req_launch(params);
if (!response["success"]) {
response["command"] = p_params["command"];
return response;
}
return prepare_success_response(p_params);
}
Dictionary DebugAdapterParser::req_terminate(const Dictionary &p_params) const {
EditorNode::get_singleton()->run_stop();
return prepare_success_response(p_params);
}
Dictionary DebugAdapterParser::req_pause(const Dictionary &p_params) const {
EditorNode::get_singleton()->get_pause_button()->set_pressed(true);
EditorDebuggerNode::get_singleton()->_paused();
DebugAdapterProtocol::get_singleton()->notify_stopped_paused();
return prepare_success_response(p_params);
}
Dictionary DebugAdapterParser::req_continue(const Dictionary &p_params) const {
EditorNode::get_singleton()->get_pause_button()->set_pressed(false);
EditorDebuggerNode::get_singleton()->_paused();
DebugAdapterProtocol::get_singleton()->notify_continued();
return prepare_success_response(p_params);
}
Dictionary DebugAdapterParser::req_threads(const Dictionary &p_params) const {
Dictionary response = prepare_success_response(p_params), body;
response["body"] = body;
Array arr;
DAP::Thread thread;
thread.id = 1; // Hardcoded because Godot only supports debugging one thread at the moment
thread.name = "Main";
arr.push_back(thread.to_json());
body["threads"] = arr;
return response;
}
Dictionary DebugAdapterParser::req_stackTrace(const Dictionary &p_params) const {
if (DebugAdapterProtocol::get_singleton()->_processing_stackdump) {
return Dictionary();
}
Dictionary response = prepare_success_response(p_params), body;
response["body"] = body;
bool lines_at_one = DebugAdapterProtocol::get_singleton()->get_current_peer()->linesStartAt1;
bool columns_at_one = DebugAdapterProtocol::get_singleton()->get_current_peer()->columnsStartAt1;
Array arr;
DebugAdapterProtocol *dap = DebugAdapterProtocol::get_singleton();
for (const KeyValue<DAP::StackFrame, List<int>> &E : dap->stackframe_list) {
DAP::StackFrame sf = E.key;
if (!lines_at_one) {
sf.line--;
}
if (!columns_at_one) {
sf.column--;
}
arr.push_back(sf.to_json());
}
body["stackFrames"] = arr;
return response;
}
Dictionary DebugAdapterParser::req_setBreakpoints(const Dictionary &p_params) const {
Dictionary response = prepare_success_response(p_params), body;
response["body"] = body;
Dictionary args = p_params["arguments"];
DAP::Source source;
source.from_json(args["source"]);
bool lines_at_one = DebugAdapterProtocol::get_singleton()->get_current_peer()->linesStartAt1;
if (!is_valid_path(source.path)) {
Dictionary variables;
variables["clientPath"] = source.path;
variables["editorPath"] = ProjectSettings::get_singleton()->get_resource_path();
return prepare_error_response(p_params, DAP::ErrorType::WRONG_PATH, variables);
}
Array breakpoints = args["breakpoints"], lines;
for (int i = 0; i < breakpoints.size(); i++) {
DAP::SourceBreakpoint breakpoint;
breakpoint.from_json(breakpoints[i]);
lines.push_back(breakpoint.line + !lines_at_one);
}
Array updated_breakpoints = DebugAdapterProtocol::get_singleton()->update_breakpoints(source.path, lines);
body["breakpoints"] = updated_breakpoints;
return response;
}
Dictionary DebugAdapterParser::req_breakpointLocations(const Dictionary &p_params) const {
Dictionary response = prepare_success_response(p_params), body;
response["body"] = body;
Dictionary args = p_params["arguments"];
Array locations;
DAP::BreakpointLocation location;
location.line = args["line"];
if (args.has("endLine")) {
location.endLine = args["endLine"];
}
locations.push_back(location.to_json());
body["breakpoints"] = locations;
return response;
}
Dictionary DebugAdapterParser::req_scopes(const Dictionary &p_params) const {
Dictionary response = prepare_success_response(p_params), body;
response["body"] = body;
Dictionary args = p_params["arguments"];
int frame_id = args["frameId"];
Array scope_list;
DAP::StackFrame frame;
frame.id = frame_id;
HashMap<DAP::StackFrame, List<int>, DAP::StackFrame>::Iterator E = DebugAdapterProtocol::get_singleton()->stackframe_list.find(frame);
if (E) {
ERR_FAIL_COND_V(E->value.size() != 3, prepare_error_response(p_params, DAP::ErrorType::UNKNOWN));
for (int i = 0; i < 3; i++) {
DAP::Scope scope;
scope.variablesReference = E->value[i];
switch (i) {
case 0:
scope.name = "Locals";
scope.presentationHint = "locals";
break;
case 1:
scope.name = "Members";
scope.presentationHint = "members";
break;
case 2:
scope.name = "Globals";
scope.presentationHint = "globals";
}
scope_list.push_back(scope.to_json());
}
}
EditorDebuggerNode::get_singleton()->get_default_debugger()->request_stack_dump(frame_id);
DebugAdapterProtocol::get_singleton()->_current_frame = frame_id;
body["scopes"] = scope_list;
return response;
}
Dictionary DebugAdapterParser::req_variables(const Dictionary &p_params) const {
// If _remaining_vars > 0, the debuggee is still sending a stack dump to the editor.
if (DebugAdapterProtocol::get_singleton()->_remaining_vars > 0) {
return Dictionary();
}
Dictionary response = prepare_success_response(p_params), body;
response["body"] = body;
Dictionary args = p_params["arguments"];
int variable_id = args["variablesReference"];
HashMap<int, Array>::Iterator E = DebugAdapterProtocol::get_singleton()->variable_list.find(variable_id);
if (E) {
if (!DebugAdapterProtocol::get_singleton()->get_current_peer()->supportsVariableType) {
for (int i = 0; i < E->value.size(); i++) {
Dictionary variable = E->value[i];
variable.erase("type");
}
}
body["variables"] = E ? E->value : Array();
return response;
} else {
return Dictionary();
}
}
Dictionary DebugAdapterParser::req_next(const Dictionary &p_params) const {
EditorDebuggerNode::get_singleton()->get_default_debugger()->debug_next();
DebugAdapterProtocol::get_singleton()->_stepping = true;
return prepare_success_response(p_params);
}
Dictionary DebugAdapterParser::req_stepIn(const Dictionary &p_params) const {
EditorDebuggerNode::get_singleton()->get_default_debugger()->debug_step();
DebugAdapterProtocol::get_singleton()->_stepping = true;
return prepare_success_response(p_params);
}
Dictionary DebugAdapterParser::req_evaluate(const Dictionary &p_params) const {
Dictionary response = prepare_success_response(p_params), body;
response["body"] = body;
Dictionary args = p_params["arguments"];
String value = EditorDebuggerNode::get_singleton()->get_var_value(args["expression"]);
body["result"] = value;
return response;
}
Dictionary DebugAdapterParser::req_godot_put_msg(const Dictionary &p_params) const {
Dictionary args = p_params["arguments"];
String msg = args["message"];
Array data = args["data"];
EditorDebuggerNode::get_singleton()->get_default_debugger()->_put_msg(msg, data);
return prepare_success_response(p_params);
}
Dictionary DebugAdapterParser::ev_initialized() const {
Dictionary event = prepare_base_event();
event["event"] = "initialized";
return event;
}
Dictionary DebugAdapterParser::ev_process(const String &p_command) const {
Dictionary event = prepare_base_event(), body;
event["event"] = "process";
event["body"] = body;
body["name"] = OS::get_singleton()->get_executable_path();
body["startMethod"] = p_command;
return event;
}
Dictionary DebugAdapterParser::ev_terminated() const {
Dictionary event = prepare_base_event();
event["event"] = "terminated";
return event;
}
Dictionary DebugAdapterParser::ev_exited(const int &p_exitcode) const {
Dictionary event = prepare_base_event(), body;
event["event"] = "exited";
event["body"] = body;
body["exitCode"] = p_exitcode;
return event;
}
Dictionary DebugAdapterParser::ev_stopped() const {
Dictionary event = prepare_base_event(), body;
event["event"] = "stopped";
event["body"] = body;
body["threadId"] = 1;
return event;
}
Dictionary DebugAdapterParser::ev_stopped_paused() const {
Dictionary event = ev_stopped();
Dictionary body = event["body"];
body["reason"] = "paused";
body["description"] = "Paused";
return event;
}
Dictionary DebugAdapterParser::ev_stopped_exception(const String &p_error) const {
Dictionary event = ev_stopped();
Dictionary body = event["body"];
body["reason"] = "exception";
body["description"] = "Exception";
body["text"] = p_error;
return event;
}
Dictionary DebugAdapterParser::ev_stopped_breakpoint(const int &p_id) const {
Dictionary event = ev_stopped();
Dictionary body = event["body"];
body["reason"] = "breakpoint";
body["description"] = "Breakpoint";
Array breakpoints;
breakpoints.push_back(p_id);
body["hitBreakpointIds"] = breakpoints;
return event;
}
Dictionary DebugAdapterParser::ev_stopped_step() const {
Dictionary event = ev_stopped();
Dictionary body = event["body"];
body["reason"] = "step";
body["description"] = "Breakpoint";
return event;
}
Dictionary DebugAdapterParser::ev_continued() const {
Dictionary event = prepare_base_event(), body;
event["event"] = "continued";
event["body"] = body;
body["threadId"] = 1;
return event;
}
Dictionary DebugAdapterParser::ev_output(const String &p_message) const {
Dictionary event = prepare_base_event(), body;
event["event"] = "output";
event["body"] = body;
body["category"] = "stdout";
body["output"] = p_message + "\r\n";
return event;
}
Dictionary DebugAdapterParser::ev_breakpoint(const DAP::Breakpoint &p_breakpoint, const bool &p_enabled) const {
Dictionary event = prepare_base_event(), body;
event["event"] = "breakpoint";
event["body"] = body;
body["reason"] = p_enabled ? "new" : "removed";
body["breakpoint"] = p_breakpoint.to_json();
return event;
}
Dictionary DebugAdapterParser::ev_custom_data(const String &p_msg, const Array &p_data) const {
Dictionary event = prepare_base_event(), body;
event["event"] = "godot/custom_data";
event["body"] = body;
body["message"] = p_msg;
body["data"] = p_data;
return event;
}