summaryrefslogtreecommitdiffstats
blob: 800af17c1d8bbb8002018bc3ef1dac4d31cee9e8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
$$ -*- mode: c++; -*-
$$ This is a Pump source file.  Please use Pump to convert it to
$$ gmock-generated-function-mockers.h.
$$
$var n = 10  $$ The maximum arity we support.
// Copyright 2007, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Author: wan@google.com (Zhanyong Wan)

// Google Mock - a framework for writing C++ mock classes.
//
// This file contains template meta-programming utility classes needed
// for implementing Google Mock.

#ifndef GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_GENERATED_INTERNAL_UTILS_H_
#define GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_GENERATED_INTERNAL_UTILS_H_

#include "gmock/internal/gmock-port.h"

namespace testing {

template <typename T>
class Matcher;

namespace internal {

// An IgnoredValue object can be implicitly constructed from ANY value.
// This is used in implementing the IgnoreResult(a) action.
class IgnoredValue {
 public:
  // This constructor template allows any value to be implicitly
  // converted to IgnoredValue.  The object has no data member and
  // doesn't try to remember anything about the argument.  We
  // deliberately omit the 'explicit' keyword in order to allow the
  // conversion to be implicit.
  template <typename T>
  IgnoredValue(const T& /* ignored */) {}  // NOLINT(runtime/explicit)
};

// MatcherTuple<T>::type is a tuple type where each field is a Matcher
// for the corresponding field in tuple type T.
template <typename Tuple>
struct MatcherTuple;


$range i 0..n
$for i [[
$range j 1..i
$var typename_As = [[$for j, [[typename A$j]]]]
$var As = [[$for j, [[A$j]]]]
$var matcher_As = [[$for j, [[Matcher<A$j>]]]]
template <$typename_As>
struct MatcherTuple< ::testing::tuple<$As> > {
  typedef ::testing::tuple<$matcher_As > type;
};


]]
// Template struct Function<F>, where F must be a function type, contains
// the following typedefs:
//
//   Result:               the function's return type.
//   ArgumentN:            the type of the N-th argument, where N starts with 1.
//   ArgumentTuple:        the tuple type consisting of all parameters of F.
//   ArgumentMatcherTuple: the tuple type consisting of Matchers for all
//                         parameters of F.
//   MakeResultVoid:       the function type obtained by substituting void
//                         for the return type of F.
//   MakeResultIgnoredValue:
//                         the function type obtained by substituting Something
//                         for the return type of F.
template <typename F>
struct Function;

template <typename R>
struct Function<R()> {
  typedef R Result;
  typedef ::testing::tuple<> ArgumentTuple;
  typedef typename MatcherTuple<ArgumentTuple>::type ArgumentMatcherTuple;
  typedef void MakeResultVoid();
  typedef IgnoredValue MakeResultIgnoredValue();
};


$range i 1..n
$for i [[
$range j 1..i
$var typename_As = [[$for j [[, typename A$j]]]]
$var As = [[$for j, [[A$j]]]]
$var matcher_As = [[$for j, [[Matcher<A$j>]]]]
$range k 1..i-1
$var prev_As = [[$for k, [[A$k]]]]
template <typename R$typename_As>
struct Function<R($As)>
    : Function<R($prev_As)> {
  typedef A$i Argument$i;
  typedef ::testing::tuple<$As> ArgumentTuple;
  typedef typename MatcherTuple<ArgumentTuple>::type ArgumentMatcherTuple;
  typedef void MakeResultVoid($As);
  typedef IgnoredValue MakeResultIgnoredValue($As);
};


]]
}  // namespace internal

}  // namespace testing

#endif  // GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_GENERATED_INTERNAL_UTILS_H_