[SCM] archer-pmuldoon-python-backtrace: Add frame_ex.py, example filter.

[SCM] archer-pmuldoon-python-backtrace: Add frame_ex.py, example filter.

[pmuldoon]

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       via  058442629caf687468859a8f4b3680faf9cbf356 (commit)
      from  a497d6434eeef139c13fcb4fa18f45b7db19b5b7 (commit)

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- Log -----------------------------------------------------------------
commit 058442629caf687468859a8f4b3680faf9cbf356
Author: Phil Muldoon <pmuldoon@redhat.com>
Date:   Mon Feb 20 20:10:45 2012 +0000

    Add frame_ex.py, example filter.

-----------------------------------------------------------------------

Summary of changes:
 gdb/frame_ex.py |   43 +++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 43 insertions(+), 0 deletions(-)
 create mode 100644 gdb/frame_ex.py

First 500 lines of diff:
diff --git a/gdb/frame_ex.py b/gdb/frame_ex.py
new file mode 100644
index 0000000..fe809eb
--- /dev/null
+++ b/gdb/frame_ex.py
@@ -0,0 +1,43 @@
+flevel = 0
+
+class Main_filter:
+    "Example main () filter"
+
+    def __init__ (self, frame, what, level, args):
+        self.frame = frame
+        self.what = what
+        self.lvl = level
+        self.args = args
+        
+
+    def function (self):
+        return str (self.frame.function())
+
+    def level (self):
+        global flevel
+        rlevel = flevel
+        flevel = flevel + 1
+        return rlevel
+
+    def address (self):
+        return self.frame.pc()
+
+    def filename (self):
+        sal = self.frame.find_sal()
+        if (sal):
+            return sal.symtab.filename
+        else:
+            return "unknown"
+
+    def line (self):
+        sal = self.frame.find_sal()
+        if (sal):
+            return sal.line        
+        else:
+            return "<unknown line>"
+
+def register_frame_filters (frame, what, level, args):
+
+#    if (frame.name() == "main"):
+        x = Main_filter (frame, what, level, args)
+        return x


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