From 77f5eb703ce76716e0882655d013ed5ca82b8fc6 Mon Sep 17 00:00:00 2001
From: Dave Abrahams <dave@boostpro.com>
Date: Wed, 23 Jul 2003 03:00:48 +0000
Subject: [PATCH] Attempt to work around a GCC EH problem by sticking a virtual
 function in error_already_set and defining it in the library.

Removed some flotsam


[SVN r19274]
---
 include/boost/python/errors.hpp |  7 ++++---
 src/errors.cpp                  | 19 ++-----------------
 2 files changed, 6 insertions(+), 20 deletions(-)

diff --git a/include/boost/python/errors.hpp b/include/boost/python/errors.hpp
index 4695a601..424baf71 100644
--- a/include/boost/python/errors.hpp
+++ b/include/boost/python/errors.hpp
@@ -14,8 +14,10 @@
 
 namespace boost { namespace python {
 
-struct BOOST_PYTHON_DECL error_already_set {};
-struct BOOST_PYTHON_DECL argument_error : error_already_set {};
+struct BOOST_PYTHON_DECL error_already_set
+{
+    virtual ~error_already_set();
+};
 
 // Handles exceptions caught just before returning to Python code.
 // Returns true iff an exception was caught.
@@ -34,7 +36,6 @@ inline void handle_exception()
     handle_exception(detail::rethrow);
 }
 
-BOOST_PYTHON_DECL void throw_argument_error();
 BOOST_PYTHON_DECL void throw_error_already_set();
 
 template <class T>
diff --git a/src/errors.cpp b/src/errors.cpp
index 8cda9f0e..6a23fc9a 100644
--- a/src/errors.cpp
+++ b/src/errors.cpp
@@ -14,6 +14,8 @@
 
 namespace boost { namespace python {
 
+error_already_set::~error_already_set() {}
+
 // IMPORTANT: this function may only be called from within a catch block!
 BOOST_PYTHON_DECL bool handle_exception_impl(function0<void> f)
 {
@@ -47,11 +49,6 @@ BOOST_PYTHON_DECL bool handle_exception_impl(function0<void> f)
     return true;
 }
 
-void BOOST_PYTHON_DECL throw_argument_error()
-{
-    throw argument_error();
-}
-
 void BOOST_PYTHON_DECL throw_error_already_set()
 {
     throw error_already_set();
@@ -59,18 +56,6 @@ void BOOST_PYTHON_DECL throw_error_already_set()
 
 namespace detail {
 
-  BOOST_PYTHON_DECL void expect_complex(PyObject* p)
-  {
-      if (!PyComplex_Check(p))
-      {
-          PyErr_SetString(PyExc_TypeError, "expected a complex number");
-          boost::python::throw_argument_error();
-      }
-  }
-
-// needed by void_adaptor (see void_adaptor.hpp)
-BOOST_PYTHON_DECL PyObject arbitrary_object = { 0 };
-
 bool exception_handler::operator()(function0<void> const& f) const
 {
     if (m_next)