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tdelibs/khtml/ecma/kjs_debugwin.cpp

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/*
* This file is part of the KDE libraries
* Copyright (C) 2000-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001,2003 Peter Kelly (pmk@post.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "kjs_debugwin.h"
#include "kjs_proxy.h"
#ifdef KJS_DEBUGGER
#include <assert.h>
#include <stdlib.h>
#include <tqlayout.h>
#include <tqpushbutton.h>
#include <tqtextedit.h>
#include <tqlistbox.h>
#include <tqmultilineedit.h>
#include <tqapplication.h>
#include <tqsplitter.h>
#include <tqcombobox.h>
#include <tqbitmap.h>
#include <tqwidgetlist.h>
#include <tqlabel.h>
#include <tqdatastream.h>
#include <tqcstring.h>
#include <tqpainter.h>
#include <tqscrollbar.h>
#include <klocale.h>
#include <kdebug.h>
#include <kiconloader.h>
#include <kglobal.h>
#include <kmessagebox.h>
#include <kguiitem.h>
#include <kpopupmenu.h>
#include <kmenubar.h>
#include <kaction.h>
#include <kactioncollection.h>
#include <kglobalsettings.h>
#include <kshortcut.h>
#include <kconfig.h>
#include <kconfigbase.h>
#include <kapplication.h>
#include <dcop/dcopclient.h>
#include <kstringhandler.h>
#include "kjs_dom.h"
#include "kjs_binding.h"
#include "khtml_part.h"
#include "khtmlview.h"
#include "khtml_pagecache.h"
#include "khtml_settings.h"
#include "khtml_factory.h"
#include "misc/decoder.h"
#include <kjs/ustring.h>
#include <kjs/object.h>
#include <kjs/function.h>
#include <kjs/interpreter.h>
using namespace KJS;
using namespace khtml;
SourceDisplay::SourceDisplay(KJSDebugWin *debugWin, TQWidget *parent, const char *name)
: TQScrollView(parent,name), m_currentLine(-1), m_sourceFile(0), m_debugWin(debugWin),
m_font(TDEGlobalSettings::fixedFont())
{
verticalScrollBar()->setLineStep(TQFontMetrics(m_font).height());
viewport()->setBackgroundMode(TQt::NoBackground);
m_breakpointIcon = TDEGlobal::iconLoader()->loadIcon("stop",KIcon::Small);
}
SourceDisplay::~SourceDisplay()
{
if (m_sourceFile) {
m_sourceFile->deref();
m_sourceFile = 0L;
}
}
void SourceDisplay::setSource(SourceFile *sourceFile)
{
if ( sourceFile )
sourceFile->ref();
if (m_sourceFile)
m_sourceFile->deref();
m_sourceFile = sourceFile;
if ( m_sourceFile )
m_sourceFile->ref();
if (!m_sourceFile || !m_debugWin->isVisible()) {
return;
}
TQString code = sourceFile->getCode();
const TQChar *chars = code.unicode();
uint len = code.length();
TQChar newLine('\n');
TQChar cr('\r');
TQChar tab('\t');
TQString tabstr(" ");
TQString line;
m_lines.clear();
int width = 0;
TQFontMetrics metrics(m_font);
for (uint pos = 0; pos < len; pos++) {
TQChar c = chars[pos];
if (c == cr) {
if (pos < len-1 && chars[pos+1] == newLine)
continue;
else
c = newLine;
}
if (c == newLine) {
m_lines.append(line);
int lineWidth = metrics.width(line);
if (lineWidth > width)
width = lineWidth;
line = "";
}
else if (c == tab) {
line += tabstr;
}
else {
line += c;
}
}
if (line.length()) {
m_lines.append(line);
int lineWidth = metrics.width(line);
if (lineWidth > width)
width = lineWidth;
}
int linenoDisplayWidth = metrics.width("888888");
resizeContents(linenoDisplayWidth+4+width,metrics.height()*m_lines.count());
update();
sourceFile->deref();
}
void SourceDisplay::setCurrentLine(int lineno, bool doCenter)
{
m_currentLine = lineno;
if (doCenter && m_currentLine >= 0) {
TQFontMetrics metrics(m_font);
int height = metrics.height();
center(0,height*m_currentLine+height/2);
}
updateContents();
}
void SourceDisplay::contentsMousePressEvent(TQMouseEvent *e)
{
TQScrollView::mouseDoubleClickEvent(e);
TQFontMetrics metrics(m_font);
int lineno = e->y()/metrics.height();
emit lineDoubleClicked(lineno+1); // line numbers start from 1
}
void SourceDisplay::showEvent(TQShowEvent *)
{
setSource(m_sourceFile);
}
void SourceDisplay::drawContents(TQPainter *p, int clipx, int clipy, int clipw, int cliph)
{
if (!m_sourceFile) {
p->fillRect(clipx,clipy,clipw,cliph,palette().active().base());
return;
}
TQFontMetrics metrics(m_font);
int height = metrics.height();
int bottom = clipy + cliph;
int right = clipx + clipw;
int firstLine = clipy/height-1;
if (firstLine < 0)
firstLine = 0;
int lastLine = bottom/height+2;
if (lastLine > (int)m_lines.count())
lastLine = m_lines.count();
p->setFont(m_font);
int linenoWidth = metrics.width("888888");
for (int lineno = firstLine; lineno <= lastLine; lineno++) {
TQString linenoStr = TQString().sprintf("%d",lineno+1);
p->fillRect(0,height*lineno,linenoWidth,height,palette().active().mid());
p->setPen(palette().active().text());
p->drawText(0,height*lineno,linenoWidth,height,Qt::AlignRight,linenoStr);
TQColor bgColor;
TQColor textColor;
if (lineno == m_currentLine) {
bgColor = palette().active().highlight();
textColor = palette().active().highlightedText();
}
else if (m_debugWin->haveBreakpoint(m_sourceFile,lineno+1,lineno+1)) {
bgColor = palette().active().text();
textColor = palette().active().base();
p->drawPixmap(2,height*lineno+height/2-m_breakpointIcon.height()/2,m_breakpointIcon);
}
else {
bgColor = palette().active().base();
textColor = palette().active().text();
}
p->fillRect(linenoWidth,height*lineno,right-linenoWidth,height,bgColor);
p->setPen(textColor);
p->drawText(linenoWidth+4,height*lineno,contentsWidth()-linenoWidth-4,height,
Qt::AlignLeft,m_lines[lineno]);
}
int remainingTop = height*(lastLine+1);
p->fillRect(0,remainingTop,linenoWidth,bottom-remainingTop,palette().active().mid());
p->fillRect(linenoWidth,remainingTop,
right-linenoWidth,bottom-remainingTop,palette().active().base());
}
//-------------------------------------------------------------------------
KJSDebugWin * KJSDebugWin::kjs_html_debugger = 0;
TQString SourceFile::getCode()
{
if (interpreter) {
KHTMLPart *part = ::tqqt_cast<KHTMLPart*>(static_cast<ScriptInterpreter*>(interpreter)->part());
if (part && url == part->url().url() && KHTMLPageCache::self()->isValid(part->cacheId())) {
Decoder *decoder = part->createDecoder();
TQByteArray data;
TQDataStream stream(data,IO_WriteOnly);
KHTMLPageCache::self()->saveData(part->cacheId(),&stream);
TQString str;
if (data.size() == 0)
str = "";
else
str = decoder->decode(data.data(),data.size()) + decoder->flush();
delete decoder;
return str;
}
}
return code;
}
//-------------------------------------------------------------------------
SourceFragment::SourceFragment(int sid, int bl, int el, SourceFile *sf)
{
sourceId = sid;
baseLine = bl;
errorLine = el;
sourceFile = sf;
sourceFile->ref();
}
SourceFragment::~SourceFragment()
{
sourceFile->deref();
sourceFile = 0L;
}
//-------------------------------------------------------------------------
KJSErrorDialog::KJSErrorDialog(TQWidget *parent, const TQString& errorMessage, bool showDebug)
: KDialogBase(parent,0,true,i18n("JavaScript Error"),
showDebug ? KDialogBase::Ok|KDialogBase::User1 : KDialogBase::Ok,
KDialogBase::Ok,false,KGuiItem("&Debug","gear"))
{
TQWidget *page = new TQWidget(this);
setMainWidget(page);
TQLabel *iconLabel = new TQLabel("",page);
iconLabel->setPixmap(TDEGlobal::iconLoader()->loadIcon("messagebox_critical",
KIcon::NoGroup,KIcon::SizeMedium,
KIcon::DefaultState,0,true));
TQWidget *contents = new TQWidget(page);
TQLabel *label = new TQLabel(errorMessage,contents);
m_dontShowAgainCb = new TQCheckBox(i18n("&Do not show this message again"),contents);
TQVBoxLayout *vl = new TQVBoxLayout(contents,0,spacingHint());
vl->addWidget(label);
vl->addWidget(m_dontShowAgainCb);
TQHBoxLayout *topLayout = new TQHBoxLayout(page,0,spacingHint());
topLayout->addWidget(iconLabel);
topLayout->addWidget(contents);
topLayout->addStretch(10);
m_debugSelected = false;
}
KJSErrorDialog::~KJSErrorDialog()
{
}
void KJSErrorDialog::slotUser1()
{
m_debugSelected = true;
close();
}
//-------------------------------------------------------------------------
EvalMultiLineEdit::EvalMultiLineEdit(TQWidget *parent)
: TQMultiLineEdit(parent) {
}
void EvalMultiLineEdit::keyPressEvent(TQKeyEvent * e)
{
if (e->key() == Qt::Key_Return) {
if (hasSelectedText()) {
m_code = selectedText();
} else {
int para, index;
getCursorPosition(&para, &index);
m_code = text(para);
}
end();
}
TQMultiLineEdit::keyPressEvent(e);
}
//-------------------------------------------------------------------------
KJSDebugWin::KJSDebugWin(TQWidget *parent, const char *name)
: KMainWindow(parent, name, (WFlags)WType_TopLevel), TDEInstance("kjs_debugger")
{
m_breakpoints = 0;
m_breakpointCount = 0;
m_curSourceFile = 0;
m_mode = Continue;
m_nextSourceUrl = "";
m_nextSourceBaseLine = 1;
m_execs = 0;
m_execsCount = 0;
m_execsAlloc = 0;
m_steppingDepth = 0;
m_stopIcon = TDEGlobal::iconLoader()->loadIcon("stop",KIcon::Small);
m_emptyIcon = TQPixmap(m_stopIcon.width(),m_stopIcon.height());
TQBitmap emptyMask(m_stopIcon.width(),m_stopIcon.height(),true);
m_emptyIcon.setMask(emptyMask);
setCaption(i18n("JavaScript Debugger"));
TQWidget *mainWidget = new TQWidget(this);
setCentralWidget(mainWidget);
TQVBoxLayout *vl = new TQVBoxLayout(mainWidget,5);
// frame list & code
TQSplitter *hsplitter = new TQSplitter(Qt::Vertical,mainWidget);
TQSplitter *vsplitter = new TQSplitter(hsplitter);
TQFont font(TDEGlobalSettings::fixedFont());
TQWidget *contextContainer = new TQWidget(vsplitter);
TQLabel *contextLabel = new TQLabel(i18n("Call stack"),contextContainer);
TQWidget *contextListContainer = new TQWidget(contextContainer);
m_contextList = new TQListBox(contextListContainer);
m_contextList->setMinimumSize(100,200);
connect(m_contextList,TQT_SIGNAL(highlighted(int)),this,TQT_SLOT(slotShowFrame(int)));
TQHBoxLayout *clistLayout = new TQHBoxLayout(contextListContainer);
clistLayout->addWidget(m_contextList);
clistLayout->addSpacing(KDialog::spacingHint());
TQVBoxLayout *contextLayout = new TQVBoxLayout(contextContainer);
contextLayout->addWidget(contextLabel);
contextLayout->addSpacing(KDialog::spacingHint());
contextLayout->addWidget(contextListContainer);
// source selection & display
TQWidget *sourceSelDisplay = new TQWidget(vsplitter);
TQVBoxLayout *ssdvl = new TQVBoxLayout(sourceSelDisplay);
m_sourceSel = new TQComboBox(toolBar());
connect(m_sourceSel,TQT_SIGNAL(activated(int)),this,TQT_SLOT(slotSourceSelected(int)));
m_sourceDisplay = new SourceDisplay(this,sourceSelDisplay);
ssdvl->addWidget(m_sourceDisplay);
connect(m_sourceDisplay,TQT_SIGNAL(lineDoubleClicked(int)),TQT_SLOT(slotToggleBreakpoint(int)));
TQValueList<int> vsplitSizes;
vsplitSizes.insert(vsplitSizes.end(),120);
vsplitSizes.insert(vsplitSizes.end(),480);
vsplitter->setSizes(vsplitSizes);
// evaluate
TQWidget *evalContainer = new TQWidget(hsplitter);
TQLabel *evalLabel = new TQLabel(i18n("JavaScript console"),evalContainer);
m_evalEdit = new EvalMultiLineEdit(evalContainer);
m_evalEdit->setWordWrap(TQMultiLineEdit::NoWrap);
m_evalEdit->setFont(font);
connect(m_evalEdit,TQT_SIGNAL(returnPressed()),TQT_SLOT(slotEval()));
m_evalDepth = 0;
TQVBoxLayout *evalLayout = new TQVBoxLayout(evalContainer);
evalLayout->addSpacing(KDialog::spacingHint());
evalLayout->addWidget(evalLabel);
evalLayout->addSpacing(KDialog::spacingHint());
evalLayout->addWidget(m_evalEdit);
TQValueList<int> hsplitSizes;
hsplitSizes.insert(hsplitSizes.end(),400);
hsplitSizes.insert(hsplitSizes.end(),200);
hsplitter->setSizes(hsplitSizes);
vl->addWidget(hsplitter);
// actions
KPopupMenu *debugMenu = new KPopupMenu(this);
menuBar()->insertItem("&Debug",debugMenu);
m_actionCollection = new KActionCollection(this);
m_actionCollection->setInstance(this);
// Venkman use F12, KDevelop F10
KShortcut scNext = KShortcut(KKeySequence(KKey(Qt::Key_F12)));
scNext.append(KKeySequence(KKey(Qt::Key_F10)));
m_nextAction = new KAction(i18n("Next breakpoint","&Next"),"dbgnext",scNext,TQT_TQOBJECT(this),TQT_SLOT(slotNext()),
m_actionCollection,"next");
m_stepAction = new KAction(i18n("&Step"),"dbgstep",KShortcut(Qt::Key_F11),TQT_TQOBJECT(this),TQT_SLOT(slotStep()),
m_actionCollection,"step");
// Venkman use F5, Kdevelop F9
KShortcut scCont = KShortcut(KKeySequence(KKey(Qt::Key_F5)));
scCont.append(KKeySequence(KKey(Qt::Key_F9)));
m_continueAction = new KAction(i18n("&Continue"),"dbgrun",scCont,TQT_TQOBJECT(this),TQT_SLOT(slotContinue()),
m_actionCollection,"cont");
m_stopAction = new KAction(i18n("St&op"),"stop",KShortcut(Qt::Key_F4),TQT_TQOBJECT(this),TQT_SLOT(slotStop()),
m_actionCollection,"stop");
m_breakAction = new KAction(i18n("&Break at Next Statement"),"dbgrunto",KShortcut(Qt::Key_F8),TQT_TQOBJECT(this),TQT_SLOT(slotBreakNext()),
m_actionCollection,"breaknext");
m_nextAction->setToolTip(i18n("Next breakpoint","Next"));
m_stepAction->setToolTip(i18n("Step"));
m_continueAction->setToolTip(i18n("Continue"));
m_stopAction->setToolTip(i18n("Stop"));
m_breakAction->setToolTip("Break at next Statement");
m_nextAction->setEnabled(false);
m_stepAction->setEnabled(false);
m_continueAction->setEnabled(false);
m_stopAction->setEnabled(false);
m_breakAction->setEnabled(true);
m_nextAction->plug(debugMenu);
m_stepAction->plug(debugMenu);
m_continueAction->plug(debugMenu);
// m_stopAction->plug(debugMenu); ### disabled until DebuggerImp::stop() works reliably
m_breakAction->plug(debugMenu);
m_nextAction->plug(toolBar());
m_stepAction->plug(toolBar());
m_continueAction->plug(toolBar());
// m_stopAction->plug(toolBar()); ###
m_breakAction->plug(toolBar());
toolBar()->insertWidget(1,300,m_sourceSel);
toolBar()->setItemAutoSized(1);
updateContextList();
setMinimumSize(300,200);
resize(600,450);
}
KJSDebugWin::~KJSDebugWin()
{
free(m_breakpoints);
free(m_execs);
}
KJSDebugWin *KJSDebugWin::createInstance()
{
assert(!kjs_html_debugger);
kjs_html_debugger = new KJSDebugWin();
return kjs_html_debugger;
}
void KJSDebugWin::destroyInstance()
{
assert(kjs_html_debugger);
kjs_html_debugger->hide();
delete kjs_html_debugger;
}
void KJSDebugWin::slotNext()
{
m_mode = Next;
leaveSession();
}
void KJSDebugWin::slotStep()
{
m_mode = Step;
leaveSession();
}
void KJSDebugWin::slotContinue()
{
m_mode = Continue;
leaveSession();
}
void KJSDebugWin::slotStop()
{
m_mode = Stop;
while (!m_execStates.isEmpty())
leaveSession();
}
void KJSDebugWin::slotBreakNext()
{
m_mode = Step;
}
void KJSDebugWin::slotToggleBreakpoint(int lineno)
{
if (m_sourceSel->currentItem() < 0)
return;
SourceFile *sourceFile = m_sourceSelFiles.at(m_sourceSel->currentItem());
// Find the source fragment containing the selected line (if any)
int sourceId = -1;
int highestBaseLine = -1;
TQMap<int,SourceFragment*>::Iterator it;
for (it = m_sourceFragments.begin(); it != m_sourceFragments.end(); ++it) {
SourceFragment *sourceFragment = it.data();
if (sourceFragment &&
sourceFragment->sourceFile == sourceFile &&
sourceFragment->baseLine <= lineno &&
sourceFragment->baseLine > highestBaseLine) {
sourceId = sourceFragment->sourceId;
highestBaseLine = sourceFragment->baseLine;
}
}
if (sourceId < 0)
return;
// Update the source code display with the appropriate icon
int fragmentLineno = lineno-highestBaseLine+1;
if (!setBreakpoint(sourceId,fragmentLineno)) // was already set
deleteBreakpoint(sourceId,fragmentLineno);
m_sourceDisplay->updateContents();
}
void KJSDebugWin::slotShowFrame(int frameno)
{
if (frameno < 0 || frameno >= m_execsCount)
return;
Context ctx = m_execs[frameno]->context();
setSourceLine(ctx.sourceId(),ctx.curStmtFirstLine());
}
void KJSDebugWin::slotSourceSelected(int sourceSelIndex)
{
// A source file has been selected from the drop-down list - display the file
if (sourceSelIndex < 0 || sourceSelIndex >= (int)m_sourceSel->count())
return;
SourceFile *sourceFile = m_sourceSelFiles.at(sourceSelIndex);
displaySourceFile(sourceFile,true);
// If the currently selected context is in the current source file, then hilight
// the line it's on.
if (m_contextList->currentItem() >= 0) {
Context ctx = m_execs[m_contextList->currentItem()]->context();
if (m_sourceFragments[ctx.sourceId()]->sourceFile == m_sourceSelFiles.at(sourceSelIndex))
setSourceLine(ctx.sourceId(),ctx.curStmtFirstLine());
}
}
void KJSDebugWin::slotEval()
{
// Work out which execution state to use. If we're currently in a debugging session,
// use the current context - otherwise, use the global execution state from the interpreter
// corresponding to the currently displayed source file.
ExecState *exec;
Object thisobj;
if (m_execStates.isEmpty()) {
if (m_sourceSel->currentItem() < 0)
return;
SourceFile *sourceFile = m_sourceSelFiles.at(m_sourceSel->currentItem());
if (!sourceFile->interpreter)
return;
exec = sourceFile->interpreter->globalExec();
thisobj = exec->interpreter()->globalObject();
}
else {
exec = m_execStates.top();
thisobj = exec->context().thisValue();
}
// Evaluate the js code from m_evalEdit
UString code(m_evalEdit->code());
TQString msg;
KJSCPUGuard guard;
guard.start();
Interpreter *interp = exec->interpreter();
Object obj = Object::dynamicCast(interp->globalObject().get(exec, "eval"));
List args;
args.append(String(code));
m_evalDepth++;
Value retval = obj.call(exec, thisobj, args);
m_evalDepth--;
guard.stop();
// Print the return value or exception message to the console
if (exec->hadException()) {
Value exc = exec->exception();
exec->clearException();
msg = "Exception: " + exc.toString(interp->globalExec()).qstring();
}
else {
msg = retval.toString(interp->globalExec()).qstring();
}
m_evalEdit->insert(msg+"\n");
updateContextList();
}
void KJSDebugWin::closeEvent(TQCloseEvent *e)
{
while (!m_execStates.isEmpty()) // ### not sure if this will work
leaveSession();
return TQWidget::closeEvent(e);
}
bool KJSDebugWin::eventFilter(TQObject *o, TQEvent *e)
{
switch (e->type()) {
case TQEvent::MouseButtonPress:
case TQEvent::MouseButtonRelease:
case TQEvent::MouseButtonDblClick:
case TQEvent::MouseMove:
case TQEvent::KeyPress:
case TQEvent::KeyRelease:
case TQEvent::Destroy:
case TQEvent::Close:
case TQEvent::Quit:
while (o->parent())
o = TQT_TQOBJECT(o->parent());
if (TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(this))
return TQWidget::eventFilter(o,e);
else
return true;
break;
default:
return TQWidget::eventFilter(o,e);
}
}
void KJSDebugWin::disableOtherWindows()
{
TQWidgetList *widgets = TQApplication::allWidgets();
TQWidgetListIt it(*widgets);
for (; it.current(); ++it)
it.current()->installEventFilter(this);
}
void KJSDebugWin::enableOtherWindows()
{
TQWidgetList *widgets = TQApplication::allWidgets();
TQWidgetListIt it(*widgets);
for (; it.current(); ++it)
it.current()->removeEventFilter(this);
}
bool KJSDebugWin::sourceParsed(KJS::ExecState *exec, int sourceId,
const KJS::UString &source, int errorLine)
{
// Work out which source file this fragment is in
SourceFile *sourceFile = 0;
if (!m_nextSourceUrl.isEmpty())
sourceFile = getSourceFile(exec->interpreter(),m_nextSourceUrl);
int index;
if (!sourceFile) {
index = m_sourceSel->count();
if (!m_nextSourceUrl.isEmpty()) {
TQString code = source.qstring();
KParts::ReadOnlyPart *part = static_cast<ScriptInterpreter*>(exec->interpreter())->part();
if (m_nextSourceUrl == part->url().url()) {
// Only store the code here if it's not from the part's html page... in that
// case we can get it from KHTMLPageCache
code = TQString::null;
}
sourceFile = new SourceFile(m_nextSourceUrl,code,exec->interpreter());
setSourceFile(exec->interpreter(),m_nextSourceUrl,sourceFile);
m_sourceSelFiles.append(sourceFile);
m_sourceSel->insertItem(m_nextSourceUrl);
}
else {
// Sourced passed from somewhere else (possibly an eval call)... we don't know the url,
// but we still know the interpreter
sourceFile = new SourceFile("(unknown)",source.qstring(),exec->interpreter());
m_sourceSelFiles.append(sourceFile);
m_sourceSel->insertItem(TQString::number(index) += "-???");
}
}
else {
// Ensure that each source file to be displayed is associated with
// an appropriate interpreter
if (!sourceFile->interpreter)
sourceFile->interpreter = exec->interpreter();
for (index = 0; index < m_sourceSel->count(); index++) {
if (m_sourceSelFiles.at(index) == sourceFile)
break;
}
assert(index < m_sourceSel->count());
}
SourceFragment *sf = new SourceFragment(sourceId,m_nextSourceBaseLine,errorLine,sourceFile);
m_sourceFragments[sourceId] = sf;
if (m_sourceSel->currentItem() < 0)
m_sourceSel->setCurrentItem(index);
if (m_sourceSel->currentItem() == index) {
displaySourceFile(sourceFile,true);
}
m_nextSourceBaseLine = 1;
m_nextSourceUrl = "";
return (m_mode != Stop);
}
bool KJSDebugWin::sourceUnused(KJS::ExecState *exec, int sourceId)
{
// Verify that there aren't any contexts on the stack using the given sourceId
// This should never be the case because this function is only called when
// the interpreter has deleted all Node objects for the source.
for (int e = 0; e < m_execsCount; e++)
assert(m_execs[e]->context().sourceId() != sourceId);
// Now remove the fragment (and the SourceFile, if it was the last fragment in that file)
SourceFragment *fragment = m_sourceFragments[sourceId];
if (fragment) {
m_sourceFragments.erase(sourceId);
SourceFile *sourceFile = fragment->sourceFile;
if (sourceFile->hasOneRef()) {
for (int i = 0; i < m_sourceSel->count(); i++) {
if (m_sourceSelFiles.at(i) == sourceFile) {
m_sourceSel->removeItem(i);
m_sourceSelFiles.remove(i);
break;
}
}
removeSourceFile(exec->interpreter(),sourceFile->url);
}
delete fragment;
}
return (m_mode != Stop);
}
bool KJSDebugWin::exception(ExecState *exec, const Value &value, bool inTryCatch)
{
assert(value.isValid());
// Ignore exceptions that will be caught by the script
if (inTryCatch)
return true;
KParts::ReadOnlyPart *part = static_cast<ScriptInterpreter*>(exec->interpreter())->part();
KHTMLPart *khtmlpart = ::tqqt_cast<KHTMLPart*>(part);
if (khtmlpart && !khtmlpart->settings()->isJavaScriptErrorReportingEnabled())
return true;
TQWidget *dlgParent = (m_evalDepth == 0) ? (TQWidget*)part->widget() : (TQWidget*)this;
TQString exceptionMsg = value.toString(exec).qstring();
// Syntax errors are a special case. For these we want to display the url & lineno,
// which isn't included in the exception messeage. So we work it out from the values
// passed to sourceParsed()
Object valueObj = Object::dynamicCast(value);
Object syntaxError = exec->interpreter()->builtinSyntaxError();
if (valueObj.isValid() && valueObj.get(exec,"constructor").imp() == syntaxError.imp()) {
Value sidValue = valueObj.get(exec,"sid");
if (sidValue.isA(NumberType)) { // sid is not set for Function() constructor
int sourceId = (int)sidValue.toNumber(exec);
assert(m_sourceFragments[sourceId]);
exceptionMsg = i18n("Parse error at %1 line %2")
.arg(m_sourceFragments[sourceId]->sourceFile->url)
.arg(m_sourceFragments[sourceId]->baseLine+m_sourceFragments[sourceId]->errorLine-1);
}
}
bool dontShowAgain = false;
if (m_execsCount == 0) {
// An exception occurred and we're not currently executing any code... this can
// happen in some cases e.g. a parse error, or native code accessing funcitons like
// Object::put()
TQString msg = i18n("An error occurred while attempting to run a script on this page.\n\n%1")
.arg(exceptionMsg);
KJSErrorDialog dlg(dlgParent,msg,false);
dlg.exec();
dontShowAgain = dlg.dontShowAgain();
}
else {
Context ctx = m_execs[m_execsCount-1]->context();
SourceFragment *sourceFragment = m_sourceFragments[ctx.sourceId()];
TQString msg = i18n("An error occurred while attempting to run a script on this page.\n\n%1 line %2:\n%3")
.arg(KStringHandler::rsqueeze( sourceFragment->sourceFile->url,80),
TQString::number( sourceFragment->baseLine+ctx.curStmtFirstLine()-1),
exceptionMsg);
KJSErrorDialog dlg(dlgParent,msg,true);
dlg.exec();
dontShowAgain = dlg.dontShowAgain();
if (dlg.debugSelected()) {
m_mode = Next;
m_steppingDepth = m_execsCount-1;
enterSession(exec);
}
}
if (dontShowAgain) {
KConfig *config = kapp->config();
KConfigGroupSaver saver(config,TQString::fromLatin1("Java/JavaScript Settings"));
config->writeEntry("ReportJavaScriptErrors",TQVariant(false,0));
config->sync();
TQByteArray data;
kapp->dcopClient()->send( "konqueror*", "KonquerorIface", "reparseConfiguration()", data );
}
return (m_mode != Stop);
}
bool KJSDebugWin::atStatement(KJS::ExecState *exec)
{
assert(m_execsCount > 0);
assert(m_execs[m_execsCount-1] == exec);
checkBreak(exec);
return (m_mode != Stop);
}
bool KJSDebugWin::enterContext(ExecState *exec)
{
if (m_execsCount >= m_execsAlloc) {
m_execsAlloc += 10;
m_execs = (ExecState**)realloc(m_execs,m_execsAlloc*sizeof(ExecState*));
}
m_execs[m_execsCount++] = exec;
if (m_mode == Step)
m_steppingDepth = m_execsCount-1;
checkBreak(exec);
return (m_mode != Stop);
}
bool KJSDebugWin::exitContext(ExecState *exec, const Completion &/*completion*/)
{
assert(m_execsCount > 0);
assert(m_execs[m_execsCount-1] == exec);
checkBreak(exec);
m_execsCount--;
if (m_steppingDepth > m_execsCount-1)
m_steppingDepth = m_execsCount-1;
if (m_execsCount == 0)
updateContextList();
return (m_mode != Stop);
}
void KJSDebugWin::displaySourceFile(SourceFile *sourceFile, bool forceRefresh)
{
if (m_curSourceFile == sourceFile && !forceRefresh)
return;
sourceFile->ref();
m_sourceDisplay->setSource(sourceFile);
if (m_curSourceFile)
m_curSourceFile->deref();
m_curSourceFile = sourceFile;
}
void KJSDebugWin::setSourceLine(int sourceId, int lineno)
{
SourceFragment *source = m_sourceFragments[sourceId];
if (!source)
return;
SourceFile *sourceFile = source->sourceFile;
if (m_curSourceFile != source->sourceFile) {
for (int i = 0; i < m_sourceSel->count(); i++)
if (m_sourceSelFiles.at(i) == sourceFile)
m_sourceSel->setCurrentItem(i);
displaySourceFile(sourceFile,false);
}
m_sourceDisplay->setCurrentLine(source->baseLine+lineno-2);
}
void KJSDebugWin::setNextSourceInfo(TQString url, int baseLine)
{
m_nextSourceUrl = url;
m_nextSourceBaseLine = baseLine;
}
void KJSDebugWin::sourceChanged(Interpreter *interpreter, TQString url)
{
SourceFile *sourceFile = getSourceFile(interpreter,url);
if (sourceFile && m_curSourceFile == sourceFile)
displaySourceFile(sourceFile,true);
}
void KJSDebugWin::clearInterpreter(Interpreter *interpreter)
{
TQMap<int,SourceFragment*>::Iterator it;
for (it = m_sourceFragments.begin(); it != m_sourceFragments.end(); ++it)
if (it.data() && it.data()->sourceFile->interpreter == interpreter)
it.data()->sourceFile->interpreter = 0;
}
SourceFile *KJSDebugWin::getSourceFile(Interpreter *interpreter, TQString url)
{
TQString key = TQString("%1|%2").arg((long)interpreter).arg(url);
return m_sourceFiles[key];
}
void KJSDebugWin::setSourceFile(Interpreter *interpreter, TQString url, SourceFile *sourceFile)
{
TQString key = TQString("%1|%2").arg((long)interpreter).arg(url);
sourceFile->ref();
if (SourceFile* oldFile = m_sourceFiles[key])
oldFile->deref();
m_sourceFiles[key] = sourceFile;
}
void KJSDebugWin::removeSourceFile(Interpreter *interpreter, TQString url)
{
TQString key = TQString("%1|%2").arg((long)interpreter).arg(url);
if (SourceFile* oldFile = m_sourceFiles[key])
oldFile->deref();
m_sourceFiles.remove(key);
}
void KJSDebugWin::checkBreak(ExecState *exec)
{
if (m_breakpointCount > 0) {
Context ctx = m_execs[m_execsCount-1]->context();
if (haveBreakpoint(ctx.sourceId(),ctx.curStmtFirstLine(),ctx.curStmtLastLine())) {
m_mode = Next;
m_steppingDepth = m_execsCount-1;
}
}
if ((m_mode == Step || m_mode == Next) && m_steppingDepth == m_execsCount-1)
enterSession(exec);
}
void KJSDebugWin::enterSession(ExecState *exec)
{
// This "enters" a new debugging session, i.e. enables usage of the debugging window
// It re-enters the qt event loop here, allowing execution of other parts of the
// program to continue while the script is stopped. We have to be a bit careful here,
// i.e. make sure the user can't quit the app, and disable other event handlers which
// could interfere with the debugging session.
if (!isVisible())
show();
m_mode = Continue;
if (m_execStates.isEmpty()) {
disableOtherWindows();
m_nextAction->setEnabled(true);
m_stepAction->setEnabled(true);
m_continueAction->setEnabled(true);
m_stopAction->setEnabled(true);
m_breakAction->setEnabled(false);
}
m_execStates.push(exec);
updateContextList();
tqApp->enter_loop(); // won't return until leaveSession() is called
}
void KJSDebugWin::leaveSession()
{
// Disables debugging for this window and returns to execute the rest of the script
// (or aborts execution, if the user pressed stop). When this returns, the program
// will exit the qt event loop, i.e. return to whatever processing was being done
// before the debugger was stopped.
assert(!m_execStates.isEmpty());
m_execStates.pop();
if (m_execStates.isEmpty()) {
m_nextAction->setEnabled(false);
m_stepAction->setEnabled(false);
m_continueAction->setEnabled(false);
m_stopAction->setEnabled(false);
m_breakAction->setEnabled(true);
m_sourceDisplay->setCurrentLine(-1);
enableOtherWindows();
}
tqApp->exit_loop();
}
void KJSDebugWin::updateContextList()
{
disconnect(m_contextList,TQT_SIGNAL(highlighted(int)),this,TQT_SLOT(slotShowFrame(int)));
m_contextList->clear();
for (int i = 0; i < m_execsCount; i++)
m_contextList->insertItem(contextStr(m_execs[i]->context()));
if (m_execsCount > 0) {
m_contextList->setSelected(m_execsCount-1, true);
Context ctx = m_execs[m_execsCount-1]->context();
setSourceLine(ctx.sourceId(),ctx.curStmtFirstLine());
}
connect(m_contextList,TQT_SIGNAL(highlighted(int)),this,TQT_SLOT(slotShowFrame(int)));
}
TQString KJSDebugWin::contextStr(const Context &ctx)
{
TQString str = "";
SourceFragment *sourceFragment = m_sourceFragments[ctx.sourceId()];
TQString url = sourceFragment->sourceFile->url;
int fileLineno = sourceFragment->baseLine+ctx.curStmtFirstLine()-1;
switch (ctx.codeType()) {
case GlobalCode:
str = TQString("Global code at %1:%2").arg(url).arg(fileLineno);
break;
case EvalCode:
str = TQString("Eval code at %1:%2").arg(url).arg(fileLineno);
break;
case FunctionCode:
if (!ctx.functionName().isNull())
str = TQString("%1() at %2:%3").arg(ctx.functionName().qstring()).arg(url).arg(fileLineno);
else
str = TQString("Anonymous function at %1:%2").arg(url).arg(fileLineno);
break;
}
return str;
}
bool KJSDebugWin::setBreakpoint(int sourceId, int lineno)
{
if (haveBreakpoint(sourceId,lineno,lineno))
return false;
m_breakpointCount++;
m_breakpoints = static_cast<Breakpoint*>(realloc(m_breakpoints,
m_breakpointCount*sizeof(Breakpoint)));
m_breakpoints[m_breakpointCount-1].sourceId = sourceId;
m_breakpoints[m_breakpointCount-1].lineno = lineno;
return true;
}
bool KJSDebugWin::deleteBreakpoint(int sourceId, int lineno)
{
for (int i = 0; i < m_breakpointCount; i++) {
if (m_breakpoints[i].sourceId == sourceId && m_breakpoints[i].lineno == lineno) {
memmove(m_breakpoints+i,m_breakpoints+i+1,(m_breakpointCount-i-1)*sizeof(Breakpoint));
m_breakpointCount--;
m_breakpoints = static_cast<Breakpoint*>(realloc(m_breakpoints,
m_breakpointCount*sizeof(Breakpoint)));
return true;
}
}
return false;
}
bool KJSDebugWin::haveBreakpoint(SourceFile *sourceFile, int line0, int line1)
{
for (int i = 0; i < m_breakpointCount; i++) {
int sourceId = m_breakpoints[i].sourceId;
int lineno = m_breakpoints[i].lineno;
if (m_sourceFragments.contains(sourceId) &&
m_sourceFragments[sourceId]->sourceFile == sourceFile) {
int absLineno = m_sourceFragments[sourceId]->baseLine+lineno-1;
if (absLineno >= line0 && absLineno <= line1)
return true;
}
}
return false;
}
#include "kjs_debugwin.moc"
#endif // KJS_DEBUGGER
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