mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-28 04:34:50 +00:00
a6b57dc3a9
- change some constants from double to float, to avoid "loss of precision due to implicit conversion" warnings - removed duplicate prototypes for some funcs - fixed some "increases required alignment of target type" warnings svn-id: r42009
472 lines
13 KiB
C++
472 lines
13 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* $URL$
|
|
* $Id$
|
|
*
|
|
*/
|
|
|
|
#include "common/debug.h"
|
|
#include "common/system.h"
|
|
|
|
#include "gui/debugger.h"
|
|
#if USE_CONSOLE
|
|
#include "gui/console.h"
|
|
#endif
|
|
|
|
namespace GUI {
|
|
|
|
Debugger::Debugger() {
|
|
_frame_countdown = 0;
|
|
_detach_now = false;
|
|
_isAttached = false;
|
|
_errStr = NULL;
|
|
_firstTime = true;
|
|
_debuggerDialog = new GUI::ConsoleDialog(1.0f, 0.67f);
|
|
_debuggerDialog->setInputCallback(debuggerInputCallback, this);
|
|
_debuggerDialog->setCompletionCallback(debuggerCompletionCallback, this);
|
|
|
|
//DCmd_Register("continue", WRAP_METHOD(Debugger, Cmd_Exit));
|
|
DCmd_Register("exit", WRAP_METHOD(Debugger, Cmd_Exit));
|
|
DCmd_Register("quit", WRAP_METHOD(Debugger, Cmd_Exit));
|
|
|
|
DCmd_Register("help", WRAP_METHOD(Debugger, Cmd_Help));
|
|
|
|
DCmd_Register("debugflag_list", WRAP_METHOD(Debugger, Cmd_DebugFlagsList));
|
|
DCmd_Register("debugflag_enable", WRAP_METHOD(Debugger, Cmd_DebugFlagEnable));
|
|
DCmd_Register("debugflag_disable", WRAP_METHOD(Debugger, Cmd_DebugFlagDisable));
|
|
}
|
|
|
|
Debugger::~Debugger() {
|
|
delete _debuggerDialog;
|
|
}
|
|
|
|
|
|
// Initialisation Functions
|
|
int Debugger::DebugPrintf(const char *format, ...) {
|
|
va_list argptr;
|
|
|
|
va_start(argptr, format);
|
|
int count;
|
|
#if USE_CONSOLE
|
|
count = _debuggerDialog->vprintf(format, argptr);
|
|
#else
|
|
count = ::vprintf(format, argptr);
|
|
#endif
|
|
va_end (argptr);
|
|
return count;
|
|
}
|
|
|
|
void Debugger::attach(const char *entry) {
|
|
|
|
g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, true);
|
|
|
|
if (entry) {
|
|
_errStr = strdup(entry);
|
|
}
|
|
|
|
_frame_countdown = 1;
|
|
_detach_now = false;
|
|
_isAttached = true;
|
|
}
|
|
|
|
void Debugger::detach() {
|
|
g_system->setFeatureState(OSystem::kFeatureVirtualKeyboard, false);
|
|
|
|
_detach_now = false;
|
|
_isAttached = false;
|
|
}
|
|
|
|
// Temporary execution handler
|
|
void Debugger::onFrame() {
|
|
if (_frame_countdown == 0)
|
|
return;
|
|
--_frame_countdown;
|
|
|
|
if (!_frame_countdown) {
|
|
|
|
preEnter();
|
|
enter();
|
|
postEnter();
|
|
|
|
// Detach if we're finished with the debugger
|
|
if (_detach_now)
|
|
detach();
|
|
}
|
|
}
|
|
|
|
// Main Debugger Loop
|
|
void Debugger::enter() {
|
|
#if USE_CONSOLE
|
|
if (_firstTime) {
|
|
DebugPrintf("Debugger started, type 'exit' to return to the game.\n");
|
|
DebugPrintf("Type 'help' to see a little list of commands and variables.\n");
|
|
_firstTime = false;
|
|
}
|
|
|
|
if (_errStr) {
|
|
DebugPrintf("ERROR: %s\n\n", _errStr);
|
|
free(_errStr);
|
|
_errStr = NULL;
|
|
}
|
|
|
|
_debuggerDialog->runModal();
|
|
#else
|
|
// TODO: compared to the console input, this here is very bare bone.
|
|
// For example, no support for tab completion and no history. At least
|
|
// we should re-add (optional) support for the readline library.
|
|
// Or maybe instead of choosing between a console dialog and stdio,
|
|
// we should move that choice into the ConsoleDialog class - that is,
|
|
// the console dialog code could be #ifdef'ed to not print to the dialog
|
|
// but rather to stdio. This way, we could also reuse the command history
|
|
// and tab completion of the console. It would still require a lot of
|
|
// work, but at least no dependency on a 3rd party library...
|
|
|
|
printf("Debugger entered, please switch to this console for input.\n");
|
|
|
|
int i;
|
|
char buf[256];
|
|
|
|
do {
|
|
printf("debug> ");
|
|
if (!fgets(buf, sizeof(buf), stdin))
|
|
return;
|
|
|
|
i = strlen(buf);
|
|
while (i > 0 && buf[i - 1] == '\n')
|
|
buf[--i] = 0;
|
|
|
|
if (i == 0)
|
|
continue;
|
|
} while (parseCommand(buf));
|
|
|
|
#endif
|
|
}
|
|
|
|
bool Debugger::handleCommand(int argc, const char **argv, bool &result) {
|
|
if (_cmds.contains(argv[0])) {
|
|
Debuglet *debuglet = _cmds[argv[0]].get();
|
|
assert(debuglet);
|
|
result = (*debuglet)(argc, argv);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// Command execution loop
|
|
bool Debugger::parseCommand(const char *inputOrig) {
|
|
int num_params = 0;
|
|
const char *param[256];
|
|
char *input = strdup(inputOrig); // One of the rare occasions using strdup is OK (although avoiding strtok might be more elegant here).
|
|
|
|
// Parse out any params
|
|
char *tok = strtok(input, " ");
|
|
if (tok) {
|
|
do {
|
|
param[num_params++] = tok;
|
|
} while ((tok = strtok(NULL, " ")) != NULL);
|
|
} else {
|
|
param[num_params++] = input;
|
|
}
|
|
|
|
// Handle commands first
|
|
bool result;
|
|
if (handleCommand(num_params, param, result)) {
|
|
free(input);
|
|
return result;
|
|
}
|
|
|
|
// It's not a command, so things get a little tricky for variables. Do fuzzy matching to ignore things like subscripts.
|
|
for (uint i = 0; i < _dvars.size(); i++) {
|
|
if (!strncmp(_dvars[i].name.c_str(), param[0], _dvars[i].name.size())) {
|
|
if (num_params > 1) {
|
|
// Alright, we need to check the TYPE of the variable to deref and stuff... the array stuff is a bit ugly :)
|
|
switch (_dvars[i].type) {
|
|
// Integer
|
|
case DVAR_BYTE:
|
|
*(byte *)_dvars[i].variable = atoi(param[1]);
|
|
DebugPrintf("byte%s = %d\n", param[0], *(byte *)_dvars[i].variable);
|
|
break;
|
|
case DVAR_INT:
|
|
*(int32 *)_dvars[i].variable = atoi(param[1]);
|
|
DebugPrintf("(int)%s = %d\n", param[0], *(int32 *)_dvars[i].variable);
|
|
break;
|
|
// Integer Array
|
|
case DVAR_INTARRAY: {
|
|
char *chr = (char *)strchr(param[0], '[');
|
|
if (!chr) {
|
|
DebugPrintf("You must access this array as %s[element]\n", param[0]);
|
|
} else {
|
|
int element = atoi(chr+1);
|
|
int32 *var = *(int32 **)_dvars[i].variable;
|
|
if (element >= _dvars[i].optional) {
|
|
DebugPrintf("%s is out of range (array is %d elements big)\n", param[0], _dvars[i].optional);
|
|
} else {
|
|
var[element] = atoi(param[1]);
|
|
DebugPrintf("(int)%s = %d\n", param[0], var[element]);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
DebugPrintf("Failed to set variable %s to %s - unknown type\n", _dvars[i].name.c_str(), param[1]);
|
|
break;
|
|
}
|
|
} else {
|
|
// And again, type-dependent prints/defrefs. The array one is still ugly.
|
|
switch (_dvars[i].type) {
|
|
// Integer
|
|
case DVAR_BYTE:
|
|
DebugPrintf("(byte)%s = %d\n", param[0], *(const byte *)_dvars[i].variable);
|
|
break;
|
|
case DVAR_INT:
|
|
DebugPrintf("(int)%s = %d\n", param[0], *(const int32 *)_dvars[i].variable);
|
|
break;
|
|
// Integer array
|
|
case DVAR_INTARRAY: {
|
|
const char *chr = strchr(param[0], '[');
|
|
if (!chr) {
|
|
DebugPrintf("You must access this array as %s[element]\n", param[0]);
|
|
} else {
|
|
int element = atoi(chr+1);
|
|
const int32 *var = *(const int32 **)_dvars[i].variable;
|
|
if (element >= _dvars[i].optional) {
|
|
DebugPrintf("%s is out of range (array is %d elements big)\n", param[0], _dvars[i].optional);
|
|
} else {
|
|
DebugPrintf("(int)%s = %d\n", param[0], var[element]);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
// String
|
|
case DVAR_STRING:
|
|
DebugPrintf("(string)%s = %s\n", param[0], ((Common::String *)_dvars[i].variable)->c_str());
|
|
break;
|
|
default:
|
|
DebugPrintf("%s = (unknown type)\n", param[0]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
free(input);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
DebugPrintf("Unknown command or variable\n");
|
|
free(input);
|
|
return true;
|
|
}
|
|
|
|
// returns true if something has been completed
|
|
// completion has to be delete[]-ed then
|
|
bool Debugger::tabComplete(const char *input, Common::String &completion) const {
|
|
// very basic tab completion
|
|
// for now it just supports command completions
|
|
|
|
// adding completions of command parameters would be nice (but hard) :-)
|
|
// maybe also give a list of possible command completions?
|
|
// (but this will require changes to console)
|
|
|
|
if (strchr(input, ' '))
|
|
return false; // already finished the first word
|
|
|
|
const uint inputlen = strlen(input);
|
|
|
|
completion.clear();
|
|
|
|
CommandsMap::const_iterator i, e = _cmds.end();
|
|
for (i = _cmds.begin(); i != e; ++i) {
|
|
if (i->_key.hasPrefix(input)) {
|
|
uint commandlen = i->_key.size();
|
|
if (commandlen == inputlen) { // perfect match, so no tab completion possible
|
|
return false;
|
|
}
|
|
if (commandlen > inputlen) { // possible match
|
|
// no previous match
|
|
if (completion.empty()) {
|
|
completion = i->_key.c_str() + inputlen;
|
|
} else {
|
|
// take common prefix of previous match and this command
|
|
for (uint j = 0; j < completion.size(); j++) {
|
|
if (completion[j] != i->_key[inputlen + j]) {
|
|
completion = Common::String(completion.begin(), completion.begin() + j);
|
|
// If there is no unambiguous completion, abort
|
|
if (completion.empty())
|
|
return false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (completion.empty())
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
// Variable registration function
|
|
void Debugger::DVar_Register(const Common::String &varname, void *pointer, int type, int optional) {
|
|
// TODO: Filter out duplicates
|
|
// TODO: Sort this list? Then we can do binary search later on when doing lookups.
|
|
assert(pointer);
|
|
|
|
DVar tmp;
|
|
tmp.name = varname;
|
|
tmp.type = type;
|
|
tmp.variable = pointer;
|
|
tmp.optional = optional;
|
|
|
|
_dvars.push_back(tmp);
|
|
}
|
|
|
|
// Command registration function
|
|
void Debugger::DCmd_Register(const Common::String &cmdname, Debuglet *debuglet) {
|
|
assert(debuglet && debuglet->isValid());
|
|
_cmds[cmdname] = Common::SharedPtr<Debuglet>(debuglet);
|
|
}
|
|
|
|
|
|
// Detach ("exit") the debugger
|
|
bool Debugger::Cmd_Exit(int argc, const char **argv) {
|
|
_detach_now = true;
|
|
return false;
|
|
}
|
|
|
|
// Print a list of all registered commands (and variables, if any),
|
|
// nicely word-wrapped.
|
|
bool Debugger::Cmd_Help(int argc, const char **argv) {
|
|
|
|
const int charsPerLine = _debuggerDialog->getCharsPerLine();
|
|
int width, size;
|
|
uint i;
|
|
|
|
DebugPrintf("Commands are:\n");
|
|
|
|
// Obtain a list of sorted command names
|
|
Common::StringList cmds;
|
|
CommandsMap::const_iterator iter, e = _cmds.end();
|
|
for (iter = _cmds.begin(); iter != e; ++iter) {
|
|
cmds.push_back(iter->_key);
|
|
}
|
|
sort(cmds.begin(), cmds.end());
|
|
|
|
// Print them all
|
|
width = 0;
|
|
for (i = 0; i < cmds.size(); i++) {
|
|
size = cmds[i].size() + 1;
|
|
|
|
if ((width + size) >= charsPerLine) {
|
|
DebugPrintf("\n");
|
|
width = size;
|
|
} else
|
|
width += size;
|
|
|
|
DebugPrintf("%s ", cmds[i].c_str());
|
|
}
|
|
DebugPrintf("\n");
|
|
|
|
if (!_dvars.empty()) {
|
|
DebugPrintf("\n");
|
|
DebugPrintf("Variables are:\n");
|
|
width = 0;
|
|
for (i = 0; i < _dvars.size(); i++) {
|
|
size = _dvars[i].name.size() + 1;
|
|
|
|
if ((width + size) >= charsPerLine) {
|
|
DebugPrintf("\n");
|
|
width = size;
|
|
} else
|
|
width += size;
|
|
|
|
DebugPrintf("%s ", _dvars[i].name.c_str());
|
|
}
|
|
DebugPrintf("\n");
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Debugger::Cmd_DebugFlagsList(int argc, const char **argv) {
|
|
const Common::DebugChannelList &debugLevels = Common::listDebugChannels();
|
|
|
|
DebugPrintf("Engine debug levels:\n");
|
|
DebugPrintf("--------------------\n");
|
|
if (debugLevels.empty()) {
|
|
DebugPrintf("No engine debug levels\n");
|
|
return true;
|
|
}
|
|
for (Common::DebugChannelList::const_iterator i = debugLevels.begin(); i != debugLevels.end(); ++i) {
|
|
DebugPrintf("%c%s - %s (%s)\n", i->enabled ? '+' : ' ',
|
|
i->name.c_str(), i->description.c_str(),
|
|
i->enabled ? "enabled" : "disabled");
|
|
}
|
|
DebugPrintf("\n");
|
|
return true;
|
|
}
|
|
|
|
bool Debugger::Cmd_DebugFlagEnable(int argc, const char **argv) {
|
|
if (argc < 2) {
|
|
DebugPrintf("debugflag_enable <flag>\n");
|
|
} else {
|
|
if (Common::enableDebugChannel(argv[1])) {
|
|
DebugPrintf("Enabled debug flag '%s'\n", argv[1]);
|
|
} else {
|
|
DebugPrintf("Failed to enable debug flag '%s'\n", argv[1]);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool Debugger::Cmd_DebugFlagDisable(int argc, const char **argv) {
|
|
if (argc < 2) {
|
|
DebugPrintf("debugflag_disable <flag>\n");
|
|
} else {
|
|
if (Common::disableDebugChannel(argv[1])) {
|
|
DebugPrintf("Disabled debug flag '%s'\n", argv[1]);
|
|
} else {
|
|
DebugPrintf("Failed to disable debug flag '%s'\n", argv[1]);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Console handler
|
|
#if USE_CONSOLE
|
|
bool Debugger::debuggerInputCallback(GUI::ConsoleDialog *console, const char *input, void *refCon) {
|
|
Debugger *debugger = (Debugger *)refCon;
|
|
|
|
return debugger->parseCommand(input);
|
|
}
|
|
|
|
|
|
bool Debugger::debuggerCompletionCallback(GUI::ConsoleDialog *console, const char *input, Common::String &completion, void *refCon) {
|
|
Debugger *debugger = (Debugger *)refCon;
|
|
|
|
return debugger->tabComplete(input, completion);
|
|
}
|
|
|
|
#endif
|
|
|
|
} // End of namespace GUI
|