[pypy-commit] pypy default: Recognizes when we get a pointer expression, and dereference it automatically

[arigo]

Author: Armin Rigo <ar...@tunes.org>
Branch: 
Changeset: r76842:1b705dee117d
Date: 2015-04-20 10:58 +0200
http://bitbucket.org/pypy/pypy/changeset/1b705dee117d/

Log:    Recognizes when we get a pointer expression, and dereference it
        automatically

diff --git a/pypy/tool/gdb_pypy.py b/pypy/tool/gdb_pypy.py
--- a/pypy/tool/gdb_pypy.py
+++ b/pypy/tool/gdb_pypy.py
@@ -55,10 +55,10 @@
 
 class RPyType(Command):
     """
-    Prints the RPython type of the expression (remember to dereference it!)
+    Prints the RPython type of the expression.
     E.g.:
 
-    (gdb) rpy_type *l_v123
+    (gdb) rpy_type l_v123
     GcStruct pypy.foo.Bar { super, inst_xxx, inst_yyy }
     """
 
@@ -88,6 +88,8 @@
             offset = int(arg)
         except ValueError:
             obj = self.gdb.parse_and_eval(arg)
+            if obj.type.code == self.gdb.TYPE_CODE_PTR:
+                obj = obj.dereference()
             hdr = lookup(obj, '_gcheader')
             tid = hdr['h_tid']
             if sys.maxsize < 2**32:
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