gdb

* python/python.c (gdbpy_parse_and_eval): New function.
	(GdbMethods): Add "parse_and_eval".
gdb/testsuite
	* gdb.python/py-value.exp (test_parse_and_eval): New
	function.
gdb/doc
	* gdb.texinfo (Basic Python): Document gdb.parse_and_eval.

gdb/python/python.c

@@ -323,6 +323,26 @@ execute_gdb_command (PyObject *self, PyObject *args)
   Py_RETURN_NONE;
 }
 
+/* Parse a string and evaluate it as an expression.  */
+static PyObject *
+gdbpy_parse_and_eval (PyObject *self, PyObject *args)
+{
+  char *expr_str;
+  struct value *result = NULL;
+  volatile struct gdb_exception except;
+
+  if (!PyArg_ParseTuple (args, "s", &expr_str))
+    return NULL;
+
+  TRY_CATCH (except, RETURN_MASK_ALL)
+    {
+      result = parse_and_eval (expr_str);
+    }
+  GDB_PY_HANDLE_EXCEPTION (except);
+
+  return value_to_value_object (result);
+}
+
 
 
 /* Printing.  */
@@ -680,6 +700,11 @@ Return a string explaining unwind stop reason." },
     "lookup_type (name [, block]) -> type\n\
 Return a Type corresponding to the given name." },
 
+  { "parse_and_eval", gdbpy_parse_and_eval, METH_VARARGS,
+    "parse_and_eval (String) -> Value.\n\
+Parse String as an expression, evaluate it, and return the result as a Value."
+  },
+
   { "write", gdbpy_write, METH_VARARGS,
     "Write a string using gdb's filtered stream." },
   { "flush", gdbpy_flush, METH_NOARGS,