godot/core/script_debugger_remote.cpp
2014-02-09 22:10:30 -03:00

442 lines
11 KiB
C++

/*************************************************************************/
/* script_debugger_remote.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* 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_remote.h"
#include "os/os.h"
#include "io/ip.h"
#include "globals.h"
Error ScriptDebuggerRemote::connect_to_host(const String& p_host,uint16_t p_port) {
IP_Address ip = IP::get_singleton()->resolve_hostname(p_host);
int port = p_port;
int tries = 3;
tcp_client->connect(ip, port);
while (tries--) {
if (tcp_client->get_status() == StreamPeerTCP::STATUS_CONNECTED) {
break;
} else {
OS::get_singleton()->delay_usec(1000000);
print_line("Remote Debugger: Connection failed with status: " + String::num(tcp_client->get_status())+"'', retrying in 1 sec.");
};
};
if (tcp_client->get_status() != StreamPeerTCP::STATUS_CONNECTED) {
print_line("Remote Debugger: Unable to connect");
return FAILED;
};
// print_line("Remote Debugger: Connection OK!");
packet_peer_stream->set_stream_peer(tcp_client);
return OK;
}
static int _ScriptDebuggerRemote_found_id=0;
static Object* _ScriptDebuggerRemote_find=NULL;
static void _ScriptDebuggerRemote_debug_func(Object *p_obj) {
if (_ScriptDebuggerRemote_find==p_obj) {
_ScriptDebuggerRemote_found_id=p_obj->get_instance_ID();
}
}
static ObjectID safe_get_instance_id(const Variant& p_v) {
Object *o = p_v;
if (o==NULL)
return 0;
else {
REF r = p_v;
if (r.is_valid()) {
return r->get_instance_ID();
} else {
_ScriptDebuggerRemote_found_id=0;
_ScriptDebuggerRemote_find=NULL;
ObjectDB::debug_objects(_ScriptDebuggerRemote_debug_func);
return _ScriptDebuggerRemote_found_id;
}
}
}
void ScriptDebuggerRemote::debug(ScriptLanguage *p_script,bool p_can_continue) {
if (!tcp_client->is_connected()) {
ERR_EXPLAIN("Script Debugger failed to connect, but being used anyway.");
ERR_FAIL();
}
packet_peer_stream->put_var("debug_enter");
packet_peer_stream->put_var(2);
packet_peer_stream->put_var(p_can_continue);
packet_peer_stream->put_var(p_script->debug_get_error());
while(true) {
_get_output();
if (packet_peer_stream->get_available_packet_count()>0) {
Variant var;
Error err = packet_peer_stream->get_var(var);
ERR_CONTINUE( err != OK);
ERR_CONTINUE( var.get_type()!=Variant::ARRAY );
Array cmd = var;
ERR_CONTINUE( cmd.size()==0);
ERR_CONTINUE( cmd[0].get_type()!=Variant::STRING );
String command = cmd[0];
cmd.remove(0);
if (command=="get_stack_dump") {
packet_peer_stream->put_var("stack_dump");
int slc = p_script->debug_get_stack_level_count();
packet_peer_stream->put_var( slc );
for(int i=0;i<slc;i++) {
Dictionary d;
d["file"]=p_script->debug_get_stack_level_source(i);
d["line"]=p_script->debug_get_stack_level_line(i);
d["function"]=p_script->debug_get_stack_level_function(i);
//d["id"]=p_script->debug_get_stack_level_
d["id"]=0;
packet_peer_stream->put_var( d );
}
} else if (command=="get_stack_frame_vars") {
ERR_CONTINUE( cmd.size()!=1 );
int lv = cmd[0];
List<String> members;
List<Variant> member_vals;
p_script->debug_get_stack_level_members(lv,&members,&member_vals);
ERR_CONTINUE( members.size() !=member_vals.size() );
List<String> locals;
List<Variant> local_vals;
p_script->debug_get_stack_level_locals(lv,&locals,&local_vals);
ERR_CONTINUE( locals.size() !=local_vals.size() );
packet_peer_stream->put_var("stack_frame_vars");
packet_peer_stream->put_var(2+locals.size()*2+members.size()*2);
{ //members
packet_peer_stream->put_var(members.size());
List<String>::Element *E=members.front();
List<Variant>::Element *F=member_vals.front();
while(E) {
if (F->get().get_type()==Variant::OBJECT) {
packet_peer_stream->put_var("*"+E->get());
packet_peer_stream->put_var(safe_get_instance_id(F->get()));
} else {
packet_peer_stream->put_var(E->get());
packet_peer_stream->put_var(F->get());
}
E=E->next();
F=F->next();
}
}
{ //locals
packet_peer_stream->put_var(locals.size());
List<String>::Element *E=locals.front();
List<Variant>::Element *F=local_vals.front();
while(E) {
if (F->get().get_type()==Variant::OBJECT) {
packet_peer_stream->put_var("*"+E->get());
packet_peer_stream->put_var(safe_get_instance_id(F->get()));
} else {
packet_peer_stream->put_var(E->get());
packet_peer_stream->put_var(F->get());
}
E=E->next();
F=F->next();
}
}
} else if (command=="step") {
set_depth(-1);
set_lines_left(1);
break;
} else if (command=="next") {
set_depth(0);
set_lines_left(1);
break;
} else if (command=="continue") {
set_depth(-1);
set_lines_left(-1);
break;
} else if (command=="break") {
ERR_PRINT("Got break when already broke!");
break;
} else if (command=="request_scene_tree") {
if (request_scene_tree)
request_scene_tree(request_scene_tree_ud);
}
} else {
OS::get_singleton()->delay_usec(10000);
}
}
packet_peer_stream->put_var("debug_exit");
packet_peer_stream->put_var(0);
}
void ScriptDebuggerRemote::_get_output() {
mutex->lock();
if (output_strings.size()) {
locking=true;
packet_peer_stream->put_var("output");
packet_peer_stream->put_var(output_strings .size());
while(output_strings.size()) {
packet_peer_stream->put_var(output_strings.front()->get());
output_strings.pop_front();
}
locking=false;
}
while (messages.size()) {
locking=true;
packet_peer_stream->put_var("message:"+messages.front()->get().message);
packet_peer_stream->put_var(messages.front()->get().data.size());
for(int i=0;i<messages.front()->get().data.size();i++) {
packet_peer_stream->put_var(messages.front()->get().data[i]);
}
messages.pop_front();
locking=false;
}
mutex->unlock();
}
void ScriptDebuggerRemote::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 cant be catched
if (poll_every%512==0)
_poll_events();
poll_every++;
}
void ScriptDebuggerRemote::_poll_events() {
while(packet_peer_stream->get_available_packet_count()>0) {
_get_output();
//send over output_strings
Variant var;
Error err = packet_peer_stream->get_var(var);
ERR_CONTINUE( err != OK);
ERR_CONTINUE( var.get_type()!=Variant::ARRAY );
Array cmd = var;
ERR_CONTINUE( cmd.size()==0);
ERR_CONTINUE( cmd[0].get_type()!=Variant::STRING );
String command = cmd[0];
cmd.remove(0);
if (command=="break") {
if (get_break_language())
debug(get_break_language());
} else if (command=="request_scene_tree") {
if (request_scene_tree)
request_scene_tree(request_scene_tree_ud);
}
}
}
void ScriptDebuggerRemote::idle_poll() {
_get_output();
if (requested_quit) {
packet_peer_stream->put_var("kill_me");
packet_peer_stream->put_var(0);
requested_quit=false;
}
if (performance) {
uint64_t pt = OS::get_singleton()->get_ticks_msec();
if (pt-last_perf_time > 1000) {
last_perf_time=pt;
int max = performance->get("MONITOR_MAX");
Array arr;
arr.resize(max);
for(int i=0;i<max;i++) {
arr[i]=performance->call("get_monitor",i);
}
packet_peer_stream->put_var("performance");
packet_peer_stream->put_var(1);
packet_peer_stream->put_var(arr);
}
}
_poll_events();
}
void ScriptDebuggerRemote::send_message(const String& p_message, const Array &p_args) {
mutex->lock();
if (!locking && tcp_client->is_connected()) {
Message msg;
msg.message=p_message;
msg.data=p_args;
messages.push_back(msg);
}
mutex->unlock();
}
void ScriptDebuggerRemote::_print_handler(void *p_this,const String& p_string) {
ScriptDebuggerRemote *sdr = (ScriptDebuggerRemote*)p_this;
sdr->mutex->lock();
if (!sdr->locking && sdr->tcp_client->is_connected()) {
sdr->output_strings .push_back(p_string);
}
sdr->mutex->unlock();
}
void ScriptDebuggerRemote::request_quit() {
requested_quit=true;
}
void ScriptDebuggerRemote::set_request_scene_tree_message_func(RequestSceneTreeMessageFunc p_func, void *p_udata) {
request_scene_tree=p_func;
request_scene_tree_ud=p_udata;
}
ScriptDebuggerRemote::ScriptDebuggerRemote() {
tcp_client = StreamPeerTCP::create();
packet_peer_stream = Ref<PacketPeerStream>( memnew(PacketPeerStream) );
packet_peer_stream->set_stream_peer(tcp_client);
mutex = Mutex::create();
locking=false;
phl.printfunc=_print_handler;
phl.userdata=this;
add_print_handler(&phl);
requested_quit=false;
performance = Globals::get_singleton()->get_singleton_object("Performance");
last_perf_time=0;
poll_every=0;
request_scene_tree=NULL;
}
ScriptDebuggerRemote::~ScriptDebuggerRemote() {
remove_print_handler(&phl);
memdelete(mutex);
}