From f9ffd4bb11c401df4c0c5733e946c48d6b295c5e Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Mon, 23 Aug 2010 20:29:19 +0000
Subject: gdb 	PR python/11145: 	* python/py-value.c: Include
 expression.h. 	(valpy_do_cast): New function. 	(valpy_cast): Use it. 
 (valpy_dynamic_cast): New function. 	(valpy_reinterpret_cast): Likewise. 
 (value_object_methods): Add dynamic_cast, reinterpret_cast. gdb/doc 	PR
 python/11145: 	* gdb.texinfo (Values From Inferior): Document dynamic_cast
 and 	reinterpret_cast methods. gdb/testsuite 	PR python/11145: 
 * gdb.python/py-value.c (Base, Derived): New types. 	(base): New global. 
 * gdb.python/py-value.exp (test_subscript_regression): Add 	dynamic_cast
 test.

---
 gdb/testsuite/gdb.python/py-value.c   | 10 ++++++++++
 gdb/testsuite/gdb.python/py-value.exp |  5 +++++
 2 files changed, 15 insertions(+)

(limited to 'gdb/testsuite/gdb.python')

diff --git a/gdb/testsuite/gdb.python/py-value.c b/gdb/testsuite/gdb.python/py-value.c
index 7481bd5..5ac7d76 100644
--- a/gdb/testsuite/gdb.python/py-value.c
+++ b/gdb/testsuite/gdb.python/py-value.c
@@ -40,6 +40,16 @@ typedef struct s *PTR;
 enum e evalue = TWO;
 
 #ifdef __cplusplus
+
+struct Base {
+  virtual int x() { return 5; }
+};
+
+struct Derived : public Base {
+};
+
+Base *base = new Derived ();
+
 void ptr_ref(int*& rptr_int)
 {
   return; /* break to inspect pointer by reference. */
diff --git a/gdb/testsuite/gdb.python/py-value.exp b/gdb/testsuite/gdb.python/py-value.exp
index eaed9c7..13bce9a 100644
--- a/gdb/testsuite/gdb.python/py-value.exp
+++ b/gdb/testsuite/gdb.python/py-value.exp
@@ -374,6 +374,11 @@ proc test_subscript_regression {lang} {
      gdb_py_test_silent_cmd "python rptr = gdb.history(0)" \
 	 "Obtains value from GDB" 1
      gdb_test "python print rptr\[0\]" "2" "Check pointer passed as reference"
+
+     # Just the most basic test of dynamic_cast -- it is checked in
+     # the C++ tests.
+     gdb_test "python print bool(gdb.parse_and_eval('base').dynamic_cast(gdb.lookup_type('Derived').pointer()))" \
+	 True
  }
 
  gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"]
-- 
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