summaryrefslogtreecommitdiff
path: root/core/debugger/engine_debugger.cpp
blob: a522b1310f5cbf8c0c0e32450b74a2d7d95d561f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
/*************************************************************************/
/*  engine_debugger.cpp                                                  */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 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 "engine_debugger.h"

#include "core/debugger/local_debugger.h"
#include "core/debugger/remote_debugger.h"
#include "core/debugger/remote_debugger_peer.h"
#include "core/debugger/script_debugger.h"
#include "core/os/os.h"

EngineDebugger *EngineDebugger::singleton = nullptr;
ScriptDebugger *EngineDebugger::script_debugger = nullptr;

Map<StringName, EngineDebugger::Profiler> EngineDebugger::profilers;
Map<StringName, EngineDebugger::Capture> EngineDebugger::captures;
Map<String, EngineDebugger::CreatePeerFunc> EngineDebugger::protocols;

void EngineDebugger::register_profiler(const StringName &p_name, const Profiler &p_func) {
	ERR_FAIL_COND_MSG(profilers.has(p_name), "Profiler already registered: " + p_name);
	profilers.insert(p_name, p_func);
}

void EngineDebugger::unregister_profiler(const StringName &p_name) {
	ERR_FAIL_COND_MSG(!profilers.has(p_name), "Profiler not registered: " + p_name);
	Profiler &p = profilers[p_name];
	if (p.active && p.toggle) {
		p.toggle(p.data, false, Array());
		p.active = false;
	}
	profilers.erase(p_name);
}

void EngineDebugger::register_message_capture(const StringName &p_name, Capture p_func) {
	ERR_FAIL_COND_MSG(captures.has(p_name), "Capture already registered: " + p_name);
	captures.insert(p_name, p_func);
}

void EngineDebugger::unregister_message_capture(const StringName &p_name) {
	ERR_FAIL_COND_MSG(!captures.has(p_name), "Capture not registered: " + p_name);
	captures.erase(p_name);
}

void EngineDebugger::register_uri_handler(const String &p_protocol, CreatePeerFunc p_func) {
	ERR_FAIL_COND_MSG(protocols.has(p_protocol), "Protocol handler already registered: " + p_protocol);
	protocols.insert(p_protocol, p_func);
}

void EngineDebugger::profiler_enable(const StringName &p_name, bool p_enabled, const Array &p_opts) {
	ERR_FAIL_COND_MSG(!profilers.has(p_name), "Can't change profiler state, no profiler: " + p_name);
	Profiler &p = profilers[p_name];
	if (p.toggle) {
		p.toggle(p.data, p_enabled, p_opts);
	}
	p.active = p_enabled;
}

void EngineDebugger::profiler_add_frame_data(const StringName &p_name, const Array &p_data) {
	ERR_FAIL_COND_MSG(!profilers.has(p_name), "Can't add frame data, no profiler: " + p_name);
	Profiler &p = profilers[p_name];
	if (p.add) {
		p.add(p.data, p_data);
	}
}

bool EngineDebugger::is_profiling(const StringName &p_name) {
	return profilers.has(p_name) && profilers[p_name].active;
}

bool EngineDebugger::has_profiler(const StringName &p_name) {
	return profilers.has(p_name);
}

bool EngineDebugger::has_capture(const StringName &p_name) {
	return captures.has(p_name);
}

Error EngineDebugger::capture_parse(const StringName &p_name, const String &p_msg, const Array &p_args, bool &r_captured) {
	r_captured = false;
	ERR_FAIL_COND_V_MSG(!captures.has(p_name), ERR_UNCONFIGURED, "Capture not registered: " + p_name);
	const Capture &cap = captures[p_name];
	return cap.capture(cap.data, p_msg, p_args, r_captured);
}

void EngineDebugger::line_poll() {
	// The purpose of this is just processing events every now and then when the script might get too busy otherwise bugs like infinite loops can't be caught
	if (poll_every % 2048 == 0) {
		poll_events(false);
	}
	poll_every++;
}

void EngineDebugger::iteration(uint64_t p_frame_ticks, uint64_t p_process_ticks, uint64_t p_physics_ticks, double p_physics_frame_time) {
	frame_time = USEC_TO_SEC(p_frame_ticks);
	process_time = USEC_TO_SEC(p_process_ticks);
	physics_time = USEC_TO_SEC(p_physics_ticks);
	physics_frame_time = p_physics_frame_time;
	// Notify tick to running profilers
	for (Map<StringName, Profiler>::Element *E = profilers.front(); E; E = E->next()) {
		Profiler &p = E->get();
		if (!p.active || !p.tick) {
			continue;
		}
		p.tick(p.data, frame_time, process_time, physics_time, physics_frame_time);
	}
	singleton->poll_events(true);
}

void EngineDebugger::initialize(const String &p_uri, bool p_skip_breakpoints, Vector<String> p_breakpoints) {
	register_uri_handler("tcp://", RemoteDebuggerPeerTCP::create); // TCP is the default protocol. Platforms/modules can add more.
	if (p_uri.is_empty()) {
		return;
	}
	if (p_uri == "local://") {
		singleton = memnew(LocalDebugger);
		script_debugger = memnew(ScriptDebugger);
		// Tell the OS that we want to handle termination signals.
		OS::get_singleton()->initialize_debugging();
	} else if (p_uri.find("://") >= 0) {
		const String proto = p_uri.substr(0, p_uri.find("://") + 3);
		if (!protocols.has(proto)) {
			return;
		}
		RemoteDebuggerPeer *peer = protocols[proto](p_uri);
		if (!peer) {
			return;
		}
		singleton = memnew(RemoteDebugger(Ref<RemoteDebuggerPeer>(peer)));
		script_debugger = memnew(ScriptDebugger);
		// Notify editor of our pid (to allow focus stealing).
		Array msg;
		msg.push_back(OS::get_singleton()->get_process_id());
		singleton->send_message("set_pid", msg);
	}
	if (!singleton) {
		return;
	}

	// There is a debugger, parse breakpoints.
	ScriptDebugger *singleton_script_debugger = singleton->get_script_debugger();
	singleton_script_debugger->set_skip_breakpoints(p_skip_breakpoints);

	for (int i = 0; i < p_breakpoints.size(); i++) {
		String bp = p_breakpoints[i];
		int sp = bp.rfind(":");
		ERR_CONTINUE_MSG(sp == -1, "Invalid breakpoint: '" + bp + "', expected file:line format.");

		singleton_script_debugger->insert_breakpoint(bp.substr(sp + 1, bp.length()).to_int(), bp.substr(0, sp));
	}
}

void EngineDebugger::deinitialize() {
	if (singleton) {
		// Stop all profilers
		for (Map<StringName, Profiler>::Element *E = profilers.front(); E; E = E->next()) {
			if (E->get().active) {
				singleton->profiler_enable(E->key(), false);
			}
		}

		// Flush any remaining message
		singleton->poll_events(false);

		memdelete(singleton);
		singleton = nullptr;
	}

	// Clear profilers/captures/protocol handlers.
	profilers.clear();
	captures.clear();
	protocols.clear();
}

EngineDebugger::~EngineDebugger() {
	if (script_debugger) {
		memdelete(script_debugger);
	}
	script_debugger = nullptr;
	singleton = nullptr;
}