Can't believe it worked. Initial attempt done.

2026-08-30 09:00:42 +08:00 · 2026-06-14 10:58:22 -05:00
parent dc39015a42
commit 93a118b7be
9 changed files with 872 additions and 403 deletions
@@ -0,0 +1,99 @@
+// SPDX-FileCopyrightText: 2026 Ernie Pasveer <epasveer@att.net>
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QtWidgets/QWidget>
+#include <QtCore/QVector>
+#include <QWidget>
+#include <QGraphicsItem>
+#include <QPointF>
+#include <QString>
+
+namespace Seer {
+namespace PSV {
+
+    class Frame {
+        public:
+            Frame ();
+            Frame (const QString& text);
+           ~Frame ();
+
+            int                 level           () const;
+            const QString&      addr            () const;
+            const QString&      function        () const;
+            const QString&      arch            () const;
+            const QString&      file            () const;
+            const QString&      fullname        () const;
+            int                 line            () const;
+            const QString&      type            () const;
+            QString             toString        () const;
+
+        private:
+            int                 _level;
+            QString             _addr;
+            QString             _function;
+            QString             _arch;
+            QString             _file;
+            QString             _fullname;
+            int                 _line;
+            QString             _type;
+    };
+
+    typedef QVector<Frame> Frames;
+
+    class Thread {
+        public:
+            Thread ();
+            Thread (const QString& text);
+           ~Thread ();
+
+            int                 id              () const;
+            const QString&      target_id       () const;
+            const QString&      name            () const;
+            const QString&      state           () const;
+            int                 current         () const;
+            QString             toString        () const;
+
+            int                 frameCount      () const;
+            const Frame&        frame           (int i) const;
+            const Frames&       frames          () const;
+
+        private:
+            int                 _id;
+            QString             _target_id;
+            QString             _name;
+            QString             _state;
+            int                 _current;
+
+            Frames              _frames;
+    };
+
+    typedef QVector<Thread> Threads;
+
+    typedef QVector<int>    ThreadIds;
+
+    struct StackNode {
+        QString               function;    // empty == root
+        int                   depth  = 0;
+        QVector<Thread *>     threads;     // non-owning pointers
+        QVector<std::shared_ptr<StackNode>> children;
+    };
+
+    // Build the parallel-stacks tree from a flat list of threads.
+    std::shared_ptr<StackNode> buildParallelStacks(QVector<Thread> &threads);
+
+    // Flat "Stack" representation used when building the graph.
+    struct Stack {
+        QVector<QString>              functions;
+        QVector<std::shared_ptr<Stack>> stacks;
+        int                           threadCount = 0;
+        QVector<QString>              threadIds;   // IDs of every thread in this node
+    };
+
+    std::shared_ptr<Stack> fillStack(const std::shared_ptr<StackNode> &node);
+
+} // namespace PSV
+} // namespace Seer
+