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3D Game Programming All in One
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3D Game Programming All in One Disc.iso
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3D2E
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CH20
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debugger
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debugger.cs
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2005-11-23
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553 lines
//-----------------------------------------------------------------------------
// Torque Game Engine
// Copyright (C) GarageGames.com, Inc.
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Remote scripting debugger
// To use the debugger, use dbgSetParameters(port, password); in the console
// of the server to enable debugger connections. Then on some other system,
// start up the app (you don't have to start a game or connect to the
// server) and exec("common/debugger/debugger.cs"); in the console. Then use
// the debugger GUI to connect to the server with the right port and password.
// Create the GUIs.
exec("./DebuggerBreakConditionDlg.gui");
exec("./DebuggerConnectDlg.gui");
exec("./DebuggerEditWatchDlg.gui");
exec("./DebuggerFindDlg.gui");
exec("./DebuggerGui.gui");
exec("./DebuggerWatchDlg.gui");
// Create a TCP object named TCPDebugger.
new TCPObject(TCPDebugger);
// Used to get unique IDs for breakpoints and watch expressions.
$DbgBreakId = 0;
$DbgWatchSeq = 1;
// Functions for the TCPDebugger object:
// onLine is invoked whenever the TCP object receives a line from the server.
// Treat the first word as a "command" and dispatch to an appropriate
// handler.
function TCPDebugger::onLine(%this, %line)
{
echo("Got line=>" @ %line);
%cmd = firstWord(%line);
%rest = restWords(%line);
if (%cmd $= "PASS") {
%this.handlePass(%rest);
}
else if(%cmd $= "COUT") {
%this.handleLineOut(%rest);
}
else if(%cmd $= "FILELISTOUT") {
%this.handleFileList(%rest);
}
else if(%cmd $= "BREAKLISTOUT") {
%this.handleBreakList(%rest);
}
else if(%cmd $= "BREAK") {
%this.handleBreak(%rest);
}
else if(%cmd $= "RUNNING") {
%this.handleRunning();
}
else if(%cmd $= "EVALOUT") {
%this.handleEvalOut(%rest);
}
else {
%this.handleError(%line);
}
}
// Handler for PASS response.
function TCPDebugger::handlePass(%this, %message)
{
if (%message $= "WrongPass") {
DebuggerConsoleView.print("Disconnected - wrong password.");
%this.disconnect();
}
else if(%message $= "Connected.") {
DebuggerConsoleView.print("Connected.");
DebuggerStatus.setValue("CONNECTED");
%this.send("FILELIST\r\n");
}
}
// Handler for COUT response.
function TCPDebugger::handleLineOut(%this, %line)
{
DebuggerConsoleView.print(%line);
}
// Handler for FILELISTOUT response.
function TCPDebugger::handleFileList(%this, %line)
{
DebuggerFilePopup.clear();
%word = 0;
while ((%file = getWord(%line, %word)) !$= "") {
%word++;
DebuggerFilePopup.add(%file, %word);
}
}
// Handler for BREAKLISTOUT response.
function TCPDebugger::handleBreakList(%this, %line)
{
%file = getWord(%line, 0);
if (%file != $DebuggerFile) {
return;
}
%pairs = getWord(%line, 1);
%curLine = 1;
DebuggerFileView.clearBreakPositions();
// Set the possible break positions.
for (%i = 0; %i < %pairs; %i++) {
%skip = getWord(%line, %i * 2 + 2);
%breaks = getWord(%line, %i * 2 + 3);
%curLine += %skip;
for (%j = 0; %j < %breaks; %j++) {
DebuggerFileView.setBreakPosition(%curLine);
%curLine++;
}
}
// Now set the actual break points.
for (%i = 0; %i < DebuggerBreakPoints.rowCount(); %i++) {
%breakText = DebuggerBreakPoints.getRowText(%i);
%breakLine = getField(%breakText, 0);
%breakFile = getField(%breakText, 1);
if (%breakFile == $DebuggerFile) {
DebuggerFileView.setBreak(%breakLine);
}
}
}
// Handler for BREAK response.
function TCPDebugger::handleBreak(%this, %line)
{
DebuggerStatus.setValue("BREAK");
// Query all the watches.
for (%i = 0; %i < DebuggerWatchView.rowCount(); %i++) {
%id = DebuggerWatchView.getRowId(%i);
%row = DebuggerWatchView.getRowTextById(%id);
%expr = getField(%row, 0);
%this.send("EVAL " @ %id @ " 0 " @ %expr @ "\r\n");
}
// Update the call stack window.
DebuggerCallStack.clear();
%file = getWord(%line, 0);
%lineNumber = getWord(%line, 1);
%funcName = getWord(%line, 2);
DbgOpenFile(%file, %lineNumber, true);
%nextWord = 3;
%rowId = 0;
%id = 0;
while(1) {
DebuggerCallStack.setRowById(%id, %file @ "\t" @ %lineNumber @ "\t" @ %funcName);
%id++;
%file = getWord(%line, %nextWord);
%lineNumber = getWord(%line, %nextWord + 1);
%funcName = getWord(%line, %nextWord + 2);
%nextWord += 3;
if (%file $= "") {
break;
}
}
}
// Handler for RUNNING response.
function TCPDebugger::handleRunning(%this)
{
DebuggerFileView.setCurrentLine(-1, true);
DebuggerCallStack.clear();
DebuggerStatus.setValue("RUNNING...");
}
// Handler for EVALOUT response.
function TCPDebugger::handleEvalOut(%this, %line)
{
%id = firstWord(%line);
%value = restWords(%line);
// See if it's the cursor watch, or from the watch window.
if (%id < 0) {
DebuggerCursorWatch.setText(DebuggerCursorWatch.expr SPC "=" SPC %value);
}
else {
%row = DebuggerWatchView.getRowTextById(%id);
if (%row $= "") {
return;
}
%expr = getField(%row, 0);
DebuggerWatchView.setRowById(%id, %expr @ "\t" @ %value);
}
}
// Handler for unrecognized response.
function TCPDebugger::handleError(%this, %line)
{
DebuggerConsoleView.print("ERROR - bogus message: " @ %line);
}
// XXX Do we want/need to define any of these?
function TCPDebugger::onDNSResolve(%this)
{
}
function TCPDebugger::onConnecting(%this)
{
}
function TCPDebugger::onConnected(%this)
{
}
function TCPDebugger::onConnectFailed(%this)
{
}
function TCPDebugger::onDisconnect(%this)
{
}
// Functions for the GUI objects:
// Print a line of response from the server.
function DebuggerConsoleView::print(%this, %line)
{
%row = %this.addRow(0, %line);
%this.scrollVisible(%row);
}
// When entry in file list selected, open the file.
function DebuggerFilePopup::onSelect(%this, %id, %text)
{
DbgOpenFile(%text, 0, false);
}
// When entry on call stack selected, open the file and go to the line.
function DebuggerCallStack::onAction(%this)
{
%id = %this.getSelectedId();
if (%id == -1) {
return;
}
%text = %this.getRowTextById(%id);
%file = getField(%text, 0);
%line = getField(%text, 1);
DbgOpenFile(%file, %line, %id == 0);
}
// Add a breakpoint at the selected spot, if it doesn't already exist.
function DebuggerBreakPoints::addBreak(%this, %file, %line, %clear, %passct, %expr)
{
// columns 0 = line, 1 = file, 2 = expr
%textLine = %line @ "\t" @ %file @ "\t" @ %expr @ "\t" @ %passct @ "\t" @ %clear;
%selId = %this.getSelectedId();
%selText = %this.getRowTextById(%selId);
if ((getField(%selText, 0) $= %line) && (getField(%selText, 1) $= %file)) {
%this.setRowById(%selId, %textLine);
}
else {
%this.addRow($DbgBreakId, %textLine);
$DbgBreakId++;
}
}
// Remove the selected breakpoint.
function DebuggerBreakPoints::removeBreak(%this, %file, %line)
{
for (%i = 0; %i < %this.rowCount(); %i++) {
%id = %this.getRowId(%i);
%text = %this.getRowTextById(%id);
if ((getField(%text, 0) $= %line) && (getField(%text, 1) $= %file)) {
%this.removeRowById(%id);
return;
}
}
}
// Remove all breakpoints.
function DebuggerBreakPoints::clearBreaks(%this)
{
while (%this.rowCount()) {
%id = %this.getRowId(0);
%text = %this.getRowTextById(%id);
%file = getField(%text, 1);
%line = getField(%text, 0);
DbgRemoveBreakPoint(%file, %line);
}
}
// Go to file & line for the selected breakpoint.
function DebuggerBreakPoints::onAction(%this)
{
%id = %this.getSelectedId();
if (%id == -1) {
return;
}
%text = %this.getRowTextById(%id);
%line = getField(%text, 0);
%file = getField(%text, 1);
DbgOpenFile(%file, %line, false);
}
// Handle breakpoint removal executed from the file-view GUI.
function DebuggerFileView::onRemoveBreakPoint(%this, %line)
{
%file = $DebuggerFile;
DbgRemoveBreakPoint(%file, %line);
}
// Handle breakpoint addition executed from the file-view GUI.
function DebuggerFileView::onSetBreakPoint(%this, %line)
{
%file = $DebuggerFile;
DbgSetBreakPoint(%file, %line, 0, 0, true);
}
// Support functions:
// Add a watch expression.
function DbgWatchDialogAdd()
{
%expr = WatchDialogExpression.getValue();
if (%expr !$= "") {
DebuggerWatchView.setRowById($DbgWatchSeq, %expr @"\t(unknown)");
TCPDebugger.send("EVAL " @ $DbgWatchSeq @ " 0 " @ %expr @ "\r\n");
$DbgWatchSeq++;
}
Canvas.popDialog(DebuggerWatchDlg);
}
// Edit a watch expression.
function DbgWatchDialogEdit()
{
%newValue = EditWatchDialogValue.getValue();
%id = DebuggerWatchView.getSelectedId();
if (%id >= 0) {
%row = DebuggerWatchView.getRowTextById(%id);
%expr = getField(%row, 0);
if (%newValue $= "") {
%assignment = %expr @ " = \"\"";
}
else {
%assignment = %expr @ " = " @ %newValue;
}
TCPDebugger.send("EVAL " @ %id @ " 0 " @ %assignment @ "\r\n");
}
Canvas.popDialog(DebuggerEditWatchDlg);
}
// Set/change the singular "cursor watch" expression.
function DbgSetCursorWatch(%expr)
{
DebuggerCursorWatch.expr = %expr;
if (DebuggerCursorWatch.expr $= "") {
DebuggerCursorWatch.setText("");
}
else {
TCPDebugger.send("EVAL -1 0 " @ DebuggerCursorWatch.expr @ "\r\n");
}
}
// Connect to the server with the given addr/port/password.
function DbgConnect()
{
%address = DebuggerConnectAddress.getValue();
%port = DebuggerConnectPort.getValue();
%password = DebuggerConnectPassword.getValue();
if ((%address !$= "" ) && (%port !$= "" ) && (%password !$= "" )) {
TCPDebugger.connect(%address @ ":" @ %port);
TCPDebugger.schedule(5000, send, %password @ "\r\n");
TCPDebugger.password = %password;
}
Canvas.popDialog(DebuggerConnectDlg);
}
// Put a condition on a breakpoint.
function DbgBreakConditionSet()
{
// Read the condition.
%condition = BreakCondition.getValue();
%passct = BreakPassCount.getValue();
%clear = BreakClear.getValue();
if (%condition $= "") {
%condition = "true";
}
if (%passct $= "") {
%passct = "0";
}
if (%clear $= "") {
%clear = "false";
}
// Set the condition.
%id = DebuggerBreakPoints.getSelectedId();
if (%id != -1) {
%bkp = DebuggerBreakPoints.getRowTextById(%id);
DbgSetBreakPoint(getField(%bkp, 1), getField(%bkp, 0), %clear, %passct, %condition);
}
Canvas.popDialog(DebuggerBreakConditionDlg);
}
// Open a file, go to the indicated line, and optionally select the line.
function DbgOpenFile(%file, %line, %selectLine)
{
if (%file !$= "") {
// Open the file in the file view.
if (DebuggerFileView.open(%file)) {
// Go to the line.
DebuggerFileView.setCurrentLine(%line, %selectLine);
// Get the breakpoints for this file.
if (%file !$= $DebuggerFile) {
TCPDebugger.send("BREAKLIST " @ %file @ "\r\n");
$DebuggerFile = %file;
}
}
}
}
// Search in the fileview GUI.
function DbgFileViewFind()
{
%searchString = DebuggerFindStringText.getValue();
DebuggerFileView.findString(%searchString);
Canvas.popDialog(DebuggerFindDlg);
}
// Set a breakpoint, optionally with condition.
function DbgSetBreakPoint(%file, %line, %clear, %passct, %expr)
{
if (!%clear) {
if (%file == $DebuggerFile) {
DebuggerFileView.setBreak(%line);
}
}
DebuggerBreakPoints.addBreak(%file, %line, %clear, %passct, %expr);
TCPDebugger.send("BRKSET " @ %file @ " " @ %line @ " " @ %clear @ " " @ %passct @ " " @ %expr @ "\r\n");
}
// Remove a breakpoint.
function DbgRemoveBreakPoint(%file, %line)
{
if (%file == $DebuggerFile) {
DebuggerFileView.removeBreak(%line);
}
TCPDebugger.send("BRKCLR " @ %file @ " " @ %line @ "\r\n");
DebuggerBreakPoints.removeBreak(%file, %line);
}
// Remove whatever breakpoint is selected in the breakpoints GUI.
function DbgDeleteSelectedBreak()
{
%selectedBreak = DebuggerBreakPoints.getSelectedId();
%rowNum = DebuggerBreakPoints.getRowNumById(%selectedWatch);
if (%rowNum >= 0) {
%breakText = DebuggerBreakPoints.getRowText(%rowNum);
%breakLine = getField(%breakText, 0);
%breakFile = getField(%breakText, 1);
DbgRemoveBreakPoint(%breakFile, %breakLine);
}
}
// Send an expression to the server for evaluation.
function DbgConsoleEntryReturn()
{
%msg = DbgConsoleEntry.getValue();
if (%msg !$= "") {
DebuggerConsoleView.print("%" @ %msg);
if (DebuggerStatus.getValue() $= "NOT CONNECTED") {
DebuggerConsoleView.print("*** Not connected.");
}
else if (DebuggerStatus.getValue() $= "BREAK") {
DebuggerConsoleView.print("*** Target is in BREAK mode.");
}
else {
TCPDebugger.send("CEVAL " @ %msg @ "\r\n");
}
}
DbgConsoleEntry.setValue("");
}
// Print a line from the server.
function DbgConsolePrint(%status)
{
DebuggerConsoleView.print(%status);
}
// Delete the currently selected watch expression.
function DbgDeleteSelectedWatch()
{
%selectedWatch = DebuggerWatchView.getSelectedId();
%rowNum = DebuggerWatchView.getRowNumById(%selectedWatch);
DebuggerWatchView.removeRow(%rowNum);
}
// Evaluate all the watch expressions.
function DbgRefreshWatches()
{
for (%i = 0; %i < DebuggerWatchView.rowCount(); %i++) {
%id = DebuggerWatchView.getRowId(%i);
%row = DebuggerWatchView.getRowTextById(%id);
%expr = getField(%row, 0);
TCPDebugger.send("EVAL " @ %id @ " 0 " @ %expr @ "\r\n");
}
}
// Various functions for doing incremental execution.
function dbgStepIn()
{
TCPDebugger.send("STEPIN\r\n");
}
function dbgStepOut()
{
TCPDebugger.send("STEPOUT\r\n");
}
function dbgStepOver()
{
TCPDebugger.send("STEPOVER\r\n");
}
function dbgContinue()
{
TCPDebugger.send("CONTINUE\r\n");
}
// Start up the GUI.
DebuggerConsoleView.setActive(false);
Canvas.pushDialog(DebuggerGui);