comparison DEPENDENCIES/generic/include/boost/spirit/home/phoenix/statement/throw.hpp @ 16:2665513ce2d3

Add boost headers
author Chris Cannam
date Tue, 05 Aug 2014 11:11:38 +0100
parents
children
comparison
equal deleted inserted replaced
15:663ca0da4350 16:2665513ce2d3
1 /*=============================================================================
2 Copyright (c) 2005-2007 Dan Marsden
3 Copyright (c) 2005-2007 Joel de Guzman
4
5 Distributed under the Boost Software License, Version 1.0. (See accompanying
6 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 ==============================================================================*/
8
9 #ifndef PHOENIX_STATEMENT_THROW_HPP
10 #define PHOENIX_STATEMENT_THROW_HPP
11
12 #include <boost/spirit/home/phoenix/core/actor.hpp>
13 #include <boost/spirit/home/phoenix/core/composite.hpp>
14 #include <boost/spirit/home/phoenix/core/compose.hpp>
15
16 #include <boost/mpl/bool.hpp>
17
18 namespace boost { namespace phoenix {
19
20 struct throw_new_eval
21 {
22 template<typename Env, typename ThrowExpr>
23 struct result
24 {
25 typedef void type;
26 };
27
28 template<typename Rt, typename Env, typename ThrowExpr>
29 static void
30 eval(const Env& env, ThrowExpr& throwExpr)
31 {
32 throw throwExpr.eval(env);
33 }
34 };
35
36 struct throw_again_eval
37 {
38 typedef mpl::false_ no_nullary;
39
40 template<typename Env>
41 struct result
42 {
43 typedef void type;
44 };
45
46 template<typename Env>
47 void eval(const Env&) const
48 {
49 throw;
50 }
51 };
52
53 inline actor<throw_again_eval> throw_()
54 {
55 return throw_again_eval();
56 }
57
58 template<typename Actor>
59 actor<typename as_composite<throw_new_eval, Actor>::type>
60 throw_(const Actor& a)
61 {
62 return compose<throw_new_eval>(a);
63 }
64 }}
65
66 #endif