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-rw-r--r--languages/ruby/debugger/framestackwidget.cpp272
1 files changed, 272 insertions, 0 deletions
diff --git a/languages/ruby/debugger/framestackwidget.cpp b/languages/ruby/debugger/framestackwidget.cpp
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+++ b/languages/ruby/debugger/framestackwidget.cpp
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+/***************************************************************************
+ begin : Sun Aug 8 1999
+ copyright : (C) 1999 by John Birch
+
+ Adapted for ruby debugging
+ --------------------------
+ begin : Mon Nov 1 2004
+ copyright : (C) 2004 by Richard Dale
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * 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. *
+ * *
+ ***************************************************************************/
+
+#include "framestackwidget.h"
+#include "rdbparser.h"
+
+#include <klocale.h>
+#include <kdebug.h>
+
+#include <qheader.h>
+#include <qlistbox.h>
+#include <qregexp.h>
+#include <qstrlist.h>
+#include <qfileinfo.h>
+
+#include <ctype.h>
+
+
+/***************************************************************************/
+/***************************************************************************/
+/***************************************************************************/
+
+namespace RDBDebugger
+{
+
+FramestackWidget::FramestackWidget(QWidget *parent, const char *name, WFlags f)
+ : QListView(parent, name, f),
+ viewedThread_(0)
+{
+ setRootIsDecorated(true);
+ setSelectionMode(Single);
+ addColumn(QString());
+ setSorting(0);
+ header()->hide();
+
+ connect( this, SIGNAL(clicked(QListViewItem*)),
+ this, SLOT(slotSelectionChanged(QListViewItem*)) );
+}
+
+
+/***************************************************************************/
+
+FramestackWidget::~FramestackWidget()
+{
+}
+
+
+// **************************************************************************
+
+void FramestackWidget::clear()
+{
+ viewedThread_ = 0;
+ QListView::clear();
+}
+
+/***************************************************************************/
+
+void FramestackWidget::slotSelectionChanged(QListViewItem * item)
+{
+ if (item == 0) {
+ return;
+ }
+
+ if (item->rtti() == RTTI_THREAD_STACK_ITEM) {
+ ThreadStackItem * thread = (ThreadStackItem*) item;
+ slotSelectFrame(1, thread->threadNo());
+ } else if (item->rtti() == RTTI_FRAME_STACK_ITEM) {
+ FrameStackItem * frame = (FrameStackItem*) item;
+ slotSelectFrame(frame->frameNo(), frame->threadNo());
+ }
+
+ return;
+}
+
+/***************************************************************************/
+
+void FramestackWidget::slotSelectFrame(int frameNo, int threadNo)
+{
+ FrameStackItem * frame = findFrame(frameNo, threadNo);
+
+ if (frame != 0) {
+ setSelected(frame, true);
+ emit selectFrame(frameNo, threadNo, frame->frameName());
+ } else {
+ emit selectFrame(frameNo, threadNo, QString());
+ }
+}
+
+/***************************************************************************/
+
+void FramestackWidget::parseRDBThreadList(char *str)
+{
+ // on receipt of a thread list we must always clear the list.
+ clear();
+
+ QRegExp thread_re("(\\+)?\\s*(\\d+)\\s*(#<[^>]+>\\s*[^:]+:\\d+)");
+ int pos = thread_re.search(str);
+ viewedThread_ = 0;
+
+ while (pos != -1) {
+ ThreadStackItem* thread;
+ thread = new ThreadStackItem( this,
+ thread_re.cap(2).toInt(),
+ QString("%1 %2").arg(thread_re.cap(2)).arg(thread_re.cap(3)) );
+ // The thread with a '+' is always the viewedthread
+ if (thread_re.cap(1) == "+") {
+ viewedThread_ = thread;
+ }
+
+ pos += thread_re.matchedLength();
+ pos = thread_re.search(str, pos);
+ }
+
+ return;
+}
+
+/***************************************************************************/
+
+void FramestackWidget::parseRDBBacktraceList(char *str)
+{
+ QRegExp frame_re("#(\\d+) ([^:]+):(\\d+)(:in `([^\\n]+)')?");
+ int pos = frame_re.search(str);
+
+ while (pos != -1) {
+ QString method(frame_re.cap(5));
+ if (method == "") {
+ method = "toplevel";
+ } else {
+ method.append("(...)");
+ }
+
+ int frameNo = frame_re.cap(1).toInt();
+ QString frameName = QString("T%1#%2 %3").arg(viewedThread_->threadNo()).arg(frame_re.cap(1)).arg(method);
+ new FrameStackItem(viewedThread_, frameNo, QString(frame_re.cap(0)), frameName);
+
+ // Tell the Variable Tree that this frame is active
+ emit frameActive(frameNo, viewedThread_->threadNo(), frameName);
+
+ pos += frame_re.matchedLength();
+ pos = frame_re.search(str, pos);
+ }
+
+ if (viewedThread_ != 0) {
+ viewedThread_->setOpen(true);
+ }
+
+ return;
+}
+
+// **************************************************************************
+
+ThreadStackItem *FramestackWidget::findThread(int threadNo)
+{
+ QListViewItem *sibling = firstChild();
+ while (sibling != 0) {
+ ThreadStackItem *thread = (ThreadStackItem*) sibling;
+ if (thread->threadNo() == threadNo) {
+ return thread;
+ }
+ sibling = sibling->nextSibling();
+ }
+
+ return 0;
+}
+
+// **************************************************************************
+
+FrameStackItem *FramestackWidget::findFrame(int frameNo, int threadNo)
+{
+ ThreadStackItem * thread = findThread(threadNo);
+ if (thread == 0) {
+ kdDebug(9012) << "FramestackWidget::findFrame: no matching thread " <<
+ frameNo << " thread: " << threadNo << endl;
+ return 0; // no matching thread?
+ }
+
+ QListViewItem * frameItem = thread->firstChild();
+
+ while (frameItem != 0) {
+ if (((FrameStackItem *) frameItem)->frameNo() == frameNo) {
+ return (FrameStackItem *) frameItem;
+ }
+
+ frameItem = frameItem->nextSibling();
+ }
+
+ return 0;
+}
+
+// **************************************************************************
+// **************************************************************************
+// **************************************************************************
+
+// **************************************************************************
+
+FrameStackItem::FrameStackItem(ThreadStackItem *parent, int frameNo, const QString &frameDesc, const QString& frameName)
+ : QListViewItem(parent),
+ frameNo_(frameNo),
+ threadNo_(parent->threadNo()),
+ frameName_(frameName)
+{
+ setText(0, frameDesc);
+ key_.sprintf("%.6d", frameNo_);
+}
+
+// **************************************************************************
+
+FrameStackItem::~FrameStackItem()
+{
+}
+
+// **************************************************************************
+
+QString FrameStackItem::key(int /*column*/, bool /*ascending*/) const
+{
+
+ return key_;
+}
+
+// **************************************************************************
+// **************************************************************************
+// **************************************************************************
+
+ThreadStackItem::ThreadStackItem(FramestackWidget *parent, int threadNo, const QString &threadDesc)
+ : QListViewItem(parent),
+ threadNo_(threadNo)
+{
+ setText(0, threadDesc);
+ setExpandable(true);
+}
+
+// **************************************************************************
+
+ThreadStackItem::~ThreadStackItem()
+{
+}
+
+// **************************************************************************
+
+void ThreadStackItem::setOpen(bool open)
+{
+ if (open)
+ ((FramestackWidget*)listView())->slotSelectFrame(1, threadNo());
+
+ QListViewItem::setOpen(open);
+}
+
+}
+
+/***************************************************************************/
+/***************************************************************************/
+/***************************************************************************/
+
+#include "framestackwidget.moc"