1 files changed, 123 insertions, 0 deletions
diff --git a/solenv/gdb/libreoffice/vcl.py b/solenv/gdb/libreoffice/vcl.py
new file mode 100644
index 000000000..ce5957475
--- /dev/null
+++ b/solenv/gdb/libreoffice/vcl.py
@@ -0,0 +1,123 @@
+# -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+import six
+import gdb
+from libreoffice.util import printing
+
+class ImplSchedulerDataPrinter(object):
+    '''Prints the ImplSchedulerData linked list.
+
+       This can be used to dump the current state of the scheduler via:
+          p *ImplGetSVData()->maSchedCtx.mpFirstSchedulerData
+
+       This doesn't include currently invoked tasks AKA the stack.
+
+       To dump the scheduler stack of invoked tasks use:
+          p *ImplGetSVData()->maSchedCtx.mpSchedulerStack
+    '''
+
+    def __init__(self, typename, value):
+        self.typename = typename
+        self.value = value
+        self.timer_type_ptr = gdb.lookup_type("Timer").pointer()
+        self.idle_type_ptr = gdb.lookup_type("Idle").pointer()
+
+    def as_string(self, gdbobj):
+        if gdbobj['mpTask']:
+            task  = gdbobj['mpTask'].dereference()
+            timer = gdbobj['mpTask'].dynamic_cast( self.timer_type_ptr )
+            idle  = gdbobj['mpTask'].dynamic_cast( self.idle_type_ptr )
+            if idle:
+                task_type = "Idle"
+            elif timer:
+                task_type = "Timer"
+            else:
+                task_type = "Task"
+            res = "{:7s}{:10s} active: {:6s}".format( task_type, str(task['mePriority']).replace('TaskPriority::',''), str(task['mbActive']) )
+            name = task['mpDebugName']
+            if not name:
+                res = res + "   (task debug name not set)"
+            else:
+                res = "{} '{}' ({})".format(res, str(name.string()), str(task.dynamic_type))
+            val_type = gdb.lookup_type(str( task.dynamic_type )).pointer()
+            timer = gdbobj['mpTask'].cast( val_type )
+            if task_type == "Timer":
+                res = "{}: {}ms".format(res, timer['mnTimeout'])
+            elif task_type == "Idle":
+                assert 0 == timer['mnTimeout'], "Idle with timeout == {}".format( timer['mnTimeout'] )
+            return res
+        else:
+            return "(no task)"
+
+    def to_string(self):
+        return self.typename
+
+    def children(self):
+        return self._iterator(self)
+
+    def display_hint(self):
+        return 'array'
+
+    class _iterator(six.Iterator):
+
+        def __init__(self, printer):
+            self.pos = 0
+            self.printer = printer
+            self.value = printer.value
+
+        def __iter__(self):
+            return self
+
+        def __next__(self):
+            if not self.value:
+                raise StopIteration()
+
+            pos = str(self.pos)
+            name = "\n  " + self.printer.as_string(self.value)
+            self.value = self.value['mpNext']
+            self.pos += 1
+
+            return (pos, name)
+
+class ImplSchedulerContextPrinter(object):
+
+    def __init__(self, typename, value):
+        self.typename = typename
+        self.value = value
+        self.prio = gdb.lookup_type('TaskPriority')
+
+    def to_string(self):
+        res = "{\n"
+        if self.value['mnTimerPeriod']:
+            res = res + "mnTimerPeriod = " + str(self.value['mnTimerPeriod']) + "\n"
+        if self.value['mpSchedulerStack']:
+            res = res + "STACK, " + str(self.value['mpSchedulerStack'].dereference())
+        if self.value['mpFirstSchedulerData']:
+            for key, value in self.prio.items():
+                first = self.value['mpFirstSchedulerData'][value.enumval]
+                if first:
+                    res = res + key.replace('TaskPriority::', '') + ", " + str(first.dereference())
+        return res + "}"
+
+printer = None
+
+def build_pretty_printers():
+    global printer
+
+    printer = printing.Printer("libreoffice/vcl")
+    printer.add('ImplSchedulerData', ImplSchedulerDataPrinter)
+    printer.add('ImplSchedulerContext', ImplSchedulerContextPrinter)
+
+def register_pretty_printers(obj):
+    printing.register_pretty_printer(printer, obj)
+
+build_pretty_printers()
+
+# vim:set shiftwidth=4 softtabstop=4 expandtab: