1 files changed, 56 insertions, 0 deletions
diff --git a/python/weenix/stack.py b/python/weenix/stack.py
new file mode 100644
index 0000000..c7abdfd
--- /dev/null
+++ b/python/weenix/stack.py
@@ -0,0 +1,56 @@
+import gdb
+import weenix
+
+class Stack:
+
+    def __init__(self, gdbframe=None):
+        if (gdbframe == None):
+            gdbframe = gdb.newest_frame()
+        self._frames = []
+        while (None != gdbframe):
+            self._frames.append(weenix.stack.Frame(gdbframe))
+            gdbframe = gdbframe.older()
+
+    def contains(self, fname):
+        for frame in self._frames:
+            if (frame._func == fname):
+                return True
+        return False
+
+    def __str__(self):
+        res = ""
+        for i, frame in enumerate(self._frames):
+            res += "#{0:<2} {1}\n".format(i, str(frame))
+        return res
+
+class Frame:
+
+    def __init__(self, gdbframe):
+        self._func = "???" if gdbframe.name() == None else gdbframe.name()
+        self._pc = gdbframe.find_sal().pc
+        self._symtab = gdbframe.find_sal()
+        self._args = {}
+        if (gdbframe.function() != None):
+            gdbframe.select()
+            argstr = gdb.execute("info args", to_string=True)
+            for line in argstr.split("\n"):
+                parts = line.split("=", 1)
+                if (len(parts) == 2):
+                    self._args[parts[0].strip()] = parts[1].strip()
+
+    def args(self):
+        return self._args
+
+    def __str__(self, line=0):
+        if (self._symtab.symtab == None):
+            res = "0x{1:>08x} ?? ()".format(line, self._pc)
+        else:
+            hasargs = False
+            res = "0x{1:>08x} {2} (".format(line, self._pc, self._func)
+            for arg in self._args.iterkeys():
+                hasargs = True
+                res += arg + "=" + self._args[arg] + ", "
+            if (hasargs):
+                res = res[:-2]
+            res += ") in {0}:{1}".format(self._symtab.symtab.filename, self._symtab.line)
+        return res