113481Sgiacomo.travaglini@arm.com$$ -*- mode: c++; -*-
213481Sgiacomo.travaglini@arm.com$$ This is a Pump source file.  Please use Pump to convert it to
313481Sgiacomo.travaglini@arm.com$$ gmock-generated-actions.h.
413481Sgiacomo.travaglini@arm.com$$
513481Sgiacomo.travaglini@arm.com$var n = 10  $$ The maximum arity we support.
613481Sgiacomo.travaglini@arm.com$$}} This meta comment fixes auto-indentation in editors.
713481Sgiacomo.travaglini@arm.com// Copyright 2007, Google Inc.
813481Sgiacomo.travaglini@arm.com// All rights reserved.
913481Sgiacomo.travaglini@arm.com//
1013481Sgiacomo.travaglini@arm.com// Redistribution and use in source and binary forms, with or without
1113481Sgiacomo.travaglini@arm.com// modification, are permitted provided that the following conditions are
1213481Sgiacomo.travaglini@arm.com// met:
1313481Sgiacomo.travaglini@arm.com//
1413481Sgiacomo.travaglini@arm.com//     * Redistributions of source code must retain the above copyright
1513481Sgiacomo.travaglini@arm.com// notice, this list of conditions and the following disclaimer.
1613481Sgiacomo.travaglini@arm.com//     * Redistributions in binary form must reproduce the above
1713481Sgiacomo.travaglini@arm.com// copyright notice, this list of conditions and the following disclaimer
1813481Sgiacomo.travaglini@arm.com// in the documentation and/or other materials provided with the
1913481Sgiacomo.travaglini@arm.com// distribution.
2013481Sgiacomo.travaglini@arm.com//     * Neither the name of Google Inc. nor the names of its
2113481Sgiacomo.travaglini@arm.com// contributors may be used to endorse or promote products derived from
2213481Sgiacomo.travaglini@arm.com// this software without specific prior written permission.
2313481Sgiacomo.travaglini@arm.com//
2413481Sgiacomo.travaglini@arm.com// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
2513481Sgiacomo.travaglini@arm.com// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
2613481Sgiacomo.travaglini@arm.com// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
2713481Sgiacomo.travaglini@arm.com// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
2813481Sgiacomo.travaglini@arm.com// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
2913481Sgiacomo.travaglini@arm.com// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
3013481Sgiacomo.travaglini@arm.com// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
3113481Sgiacomo.travaglini@arm.com// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
3213481Sgiacomo.travaglini@arm.com// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
3313481Sgiacomo.travaglini@arm.com// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
3413481Sgiacomo.travaglini@arm.com// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
3513481Sgiacomo.travaglini@arm.com//
3613481Sgiacomo.travaglini@arm.com// Author: wan@google.com (Zhanyong Wan)
3713481Sgiacomo.travaglini@arm.com
3813481Sgiacomo.travaglini@arm.com// Google Mock - a framework for writing C++ mock classes.
3913481Sgiacomo.travaglini@arm.com//
4013481Sgiacomo.travaglini@arm.com// This file implements some commonly used variadic actions.
4113481Sgiacomo.travaglini@arm.com
4213481Sgiacomo.travaglini@arm.com#ifndef GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_ACTIONS_H_
4313481Sgiacomo.travaglini@arm.com#define GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_ACTIONS_H_
4413481Sgiacomo.travaglini@arm.com
4513481Sgiacomo.travaglini@arm.com#include "gmock/gmock-actions.h"
4613481Sgiacomo.travaglini@arm.com#include "gmock/internal/gmock-port.h"
4713481Sgiacomo.travaglini@arm.com
4813481Sgiacomo.travaglini@arm.comnamespace testing {
4913481Sgiacomo.travaglini@arm.comnamespace internal {
5013481Sgiacomo.travaglini@arm.com
5113481Sgiacomo.travaglini@arm.com// InvokeHelper<F> knows how to unpack an N-tuple and invoke an N-ary
5213481Sgiacomo.travaglini@arm.com// function or method with the unpacked values, where F is a function
5313481Sgiacomo.travaglini@arm.com// type that takes N arguments.
5413481Sgiacomo.travaglini@arm.comtemplate <typename Result, typename ArgumentTuple>
5513481Sgiacomo.travaglini@arm.comclass InvokeHelper;
5613481Sgiacomo.travaglini@arm.com
5713481Sgiacomo.travaglini@arm.com
5813481Sgiacomo.travaglini@arm.com$range i 0..n
5913481Sgiacomo.travaglini@arm.com$for i [[
6013481Sgiacomo.travaglini@arm.com$range j 1..i
6113481Sgiacomo.travaglini@arm.com$var types = [[$for j [[, typename A$j]]]]
6213481Sgiacomo.travaglini@arm.com$var as = [[$for j, [[A$j]]]]
6313481Sgiacomo.travaglini@arm.com$var args = [[$if i==0 [[]] $else [[ args]]]]
6413481Sgiacomo.travaglini@arm.com$var gets = [[$for j, [[get<$(j - 1)>(args)]]]]
6513481Sgiacomo.travaglini@arm.comtemplate <typename R$types>
6613481Sgiacomo.travaglini@arm.comclass InvokeHelper<R, ::testing::tuple<$as> > {
6713481Sgiacomo.travaglini@arm.com public:
6813481Sgiacomo.travaglini@arm.com  template <typename Function>
6913481Sgiacomo.travaglini@arm.com  static R Invoke(Function function, const ::testing::tuple<$as>&$args) {
7013481Sgiacomo.travaglini@arm.com           return function($gets);
7113481Sgiacomo.travaglini@arm.com  }
7213481Sgiacomo.travaglini@arm.com
7313481Sgiacomo.travaglini@arm.com  template <class Class, typename MethodPtr>
7413481Sgiacomo.travaglini@arm.com  static R InvokeMethod(Class* obj_ptr,
7513481Sgiacomo.travaglini@arm.com                        MethodPtr method_ptr,
7613481Sgiacomo.travaglini@arm.com                        const ::testing::tuple<$as>&$args) {
7713481Sgiacomo.travaglini@arm.com           return (obj_ptr->*method_ptr)($gets);
7813481Sgiacomo.travaglini@arm.com  }
7913481Sgiacomo.travaglini@arm.com};
8013481Sgiacomo.travaglini@arm.com
8113481Sgiacomo.travaglini@arm.com
8213481Sgiacomo.travaglini@arm.com]]
8313481Sgiacomo.travaglini@arm.com// An INTERNAL macro for extracting the type of a tuple field.  It's
8413481Sgiacomo.travaglini@arm.com// subject to change without notice - DO NOT USE IN USER CODE!
8513481Sgiacomo.travaglini@arm.com#define GMOCK_FIELD_(Tuple, N) \
8613481Sgiacomo.travaglini@arm.com    typename ::testing::tuple_element<N, Tuple>::type
8713481Sgiacomo.travaglini@arm.com
8813481Sgiacomo.travaglini@arm.com$range i 1..n
8913481Sgiacomo.travaglini@arm.com
9013481Sgiacomo.travaglini@arm.com// SelectArgs<Result, ArgumentTuple, k1, k2, ..., k_n>::type is the
9113481Sgiacomo.travaglini@arm.com// type of an n-ary function whose i-th (1-based) argument type is the
9213481Sgiacomo.travaglini@arm.com// k{i}-th (0-based) field of ArgumentTuple, which must be a tuple
9313481Sgiacomo.travaglini@arm.com// type, and whose return type is Result.  For example,
9413481Sgiacomo.travaglini@arm.com//   SelectArgs<int, ::testing::tuple<bool, char, double, long>, 0, 3>::type
9513481Sgiacomo.travaglini@arm.com// is int(bool, long).
9613481Sgiacomo.travaglini@arm.com//
9713481Sgiacomo.travaglini@arm.com// SelectArgs<Result, ArgumentTuple, k1, k2, ..., k_n>::Select(args)
9813481Sgiacomo.travaglini@arm.com// returns the selected fields (k1, k2, ..., k_n) of args as a tuple.
9913481Sgiacomo.travaglini@arm.com// For example,
10013481Sgiacomo.travaglini@arm.com//   SelectArgs<int, tuple<bool, char, double>, 2, 0>::Select(
10113481Sgiacomo.travaglini@arm.com//       ::testing::make_tuple(true, 'a', 2.5))
10213481Sgiacomo.travaglini@arm.com// returns tuple (2.5, true).
10313481Sgiacomo.travaglini@arm.com//
10413481Sgiacomo.travaglini@arm.com// The numbers in list k1, k2, ..., k_n must be >= 0, where n can be
10513481Sgiacomo.travaglini@arm.com// in the range [0, $n].  Duplicates are allowed and they don't have
10613481Sgiacomo.travaglini@arm.com// to be in an ascending or descending order.
10713481Sgiacomo.travaglini@arm.com
10813481Sgiacomo.travaglini@arm.comtemplate <typename Result, typename ArgumentTuple, $for i, [[int k$i]]>
10913481Sgiacomo.travaglini@arm.comclass SelectArgs {
11013481Sgiacomo.travaglini@arm.com public:
11113481Sgiacomo.travaglini@arm.com  typedef Result type($for i, [[GMOCK_FIELD_(ArgumentTuple, k$i)]]);
11213481Sgiacomo.travaglini@arm.com  typedef typename Function<type>::ArgumentTuple SelectedArgs;
11313481Sgiacomo.travaglini@arm.com  static SelectedArgs Select(const ArgumentTuple& args) {
11413481Sgiacomo.travaglini@arm.com    return SelectedArgs($for i, [[get<k$i>(args)]]);
11513481Sgiacomo.travaglini@arm.com  }
11613481Sgiacomo.travaglini@arm.com};
11713481Sgiacomo.travaglini@arm.com
11813481Sgiacomo.travaglini@arm.com
11913481Sgiacomo.travaglini@arm.com$for i [[
12013481Sgiacomo.travaglini@arm.com$range j 1..n
12113481Sgiacomo.travaglini@arm.com$range j1 1..i-1
12213481Sgiacomo.travaglini@arm.comtemplate <typename Result, typename ArgumentTuple$for j1[[, int k$j1]]>
12313481Sgiacomo.travaglini@arm.comclass SelectArgs<Result, ArgumentTuple,
12413481Sgiacomo.travaglini@arm.com                 $for j, [[$if j <= i-1 [[k$j]] $else [[-1]]]]> {
12513481Sgiacomo.travaglini@arm.com public:
12613481Sgiacomo.travaglini@arm.com  typedef Result type($for j1, [[GMOCK_FIELD_(ArgumentTuple, k$j1)]]);
12713481Sgiacomo.travaglini@arm.com  typedef typename Function<type>::ArgumentTuple SelectedArgs;
12813481Sgiacomo.travaglini@arm.com  static SelectedArgs Select(const ArgumentTuple& [[]]
12913481Sgiacomo.travaglini@arm.com$if i == 1 [[/* args */]] $else [[args]]) {
13013481Sgiacomo.travaglini@arm.com    return SelectedArgs($for j1, [[get<k$j1>(args)]]);
13113481Sgiacomo.travaglini@arm.com  }
13213481Sgiacomo.travaglini@arm.com};
13313481Sgiacomo.travaglini@arm.com
13413481Sgiacomo.travaglini@arm.com
13513481Sgiacomo.travaglini@arm.com]]
13613481Sgiacomo.travaglini@arm.com#undef GMOCK_FIELD_
13713481Sgiacomo.travaglini@arm.com
13813481Sgiacomo.travaglini@arm.com$var ks = [[$for i, [[k$i]]]]
13913481Sgiacomo.travaglini@arm.com
14013481Sgiacomo.travaglini@arm.com// Implements the WithArgs action.
14113481Sgiacomo.travaglini@arm.comtemplate <typename InnerAction, $for i, [[int k$i = -1]]>
14213481Sgiacomo.travaglini@arm.comclass WithArgsAction {
14313481Sgiacomo.travaglini@arm.com public:
14413481Sgiacomo.travaglini@arm.com  explicit WithArgsAction(const InnerAction& action) : action_(action) {}
14513481Sgiacomo.travaglini@arm.com
14613481Sgiacomo.travaglini@arm.com  template <typename F>
14713481Sgiacomo.travaglini@arm.com  operator Action<F>() const { return MakeAction(new Impl<F>(action_)); }
14813481Sgiacomo.travaglini@arm.com
14913481Sgiacomo.travaglini@arm.com private:
15013481Sgiacomo.travaglini@arm.com  template <typename F>
15113481Sgiacomo.travaglini@arm.com  class Impl : public ActionInterface<F> {
15213481Sgiacomo.travaglini@arm.com   public:
15313481Sgiacomo.travaglini@arm.com    typedef typename Function<F>::Result Result;
15413481Sgiacomo.travaglini@arm.com    typedef typename Function<F>::ArgumentTuple ArgumentTuple;
15513481Sgiacomo.travaglini@arm.com
15613481Sgiacomo.travaglini@arm.com    explicit Impl(const InnerAction& action) : action_(action) {}
15713481Sgiacomo.travaglini@arm.com
15813481Sgiacomo.travaglini@arm.com    virtual Result Perform(const ArgumentTuple& args) {
15913481Sgiacomo.travaglini@arm.com      return action_.Perform(SelectArgs<Result, ArgumentTuple, $ks>::Select(args));
16013481Sgiacomo.travaglini@arm.com    }
16113481Sgiacomo.travaglini@arm.com
16213481Sgiacomo.travaglini@arm.com   private:
16313481Sgiacomo.travaglini@arm.com    typedef typename SelectArgs<Result, ArgumentTuple,
16413481Sgiacomo.travaglini@arm.com        $ks>::type InnerFunctionType;
16513481Sgiacomo.travaglini@arm.com
16613481Sgiacomo.travaglini@arm.com    Action<InnerFunctionType> action_;
16713481Sgiacomo.travaglini@arm.com  };
16813481Sgiacomo.travaglini@arm.com
16913481Sgiacomo.travaglini@arm.com  const InnerAction action_;
17013481Sgiacomo.travaglini@arm.com
17113481Sgiacomo.travaglini@arm.com  GTEST_DISALLOW_ASSIGN_(WithArgsAction);
17213481Sgiacomo.travaglini@arm.com};
17313481Sgiacomo.travaglini@arm.com
17413481Sgiacomo.travaglini@arm.com// A macro from the ACTION* family (defined later in this file)
17513481Sgiacomo.travaglini@arm.com// defines an action that can be used in a mock function.  Typically,
17613481Sgiacomo.travaglini@arm.com// these actions only care about a subset of the arguments of the mock
17713481Sgiacomo.travaglini@arm.com// function.  For example, if such an action only uses the second
17813481Sgiacomo.travaglini@arm.com// argument, it can be used in any mock function that takes >= 2
17913481Sgiacomo.travaglini@arm.com// arguments where the type of the second argument is compatible.
18013481Sgiacomo.travaglini@arm.com//
18113481Sgiacomo.travaglini@arm.com// Therefore, the action implementation must be prepared to take more
18213481Sgiacomo.travaglini@arm.com// arguments than it needs.  The ExcessiveArg type is used to
18313481Sgiacomo.travaglini@arm.com// represent those excessive arguments.  In order to keep the compiler
18413481Sgiacomo.travaglini@arm.com// error messages tractable, we define it in the testing namespace
18513481Sgiacomo.travaglini@arm.com// instead of testing::internal.  However, this is an INTERNAL TYPE
18613481Sgiacomo.travaglini@arm.com// and subject to change without notice, so a user MUST NOT USE THIS
18713481Sgiacomo.travaglini@arm.com// TYPE DIRECTLY.
18813481Sgiacomo.travaglini@arm.comstruct ExcessiveArg {};
18913481Sgiacomo.travaglini@arm.com
19013481Sgiacomo.travaglini@arm.com// A helper class needed for implementing the ACTION* macros.
19113481Sgiacomo.travaglini@arm.comtemplate <typename Result, class Impl>
19213481Sgiacomo.travaglini@arm.comclass ActionHelper {
19313481Sgiacomo.travaglini@arm.com public:
19413481Sgiacomo.travaglini@arm.com$range i 0..n
19513481Sgiacomo.travaglini@arm.com$for i
19613481Sgiacomo.travaglini@arm.com
19713481Sgiacomo.travaglini@arm.com[[
19813481Sgiacomo.travaglini@arm.com$var template = [[$if i==0 [[]] $else [[
19913481Sgiacomo.travaglini@arm.com$range j 0..i-1
20013481Sgiacomo.travaglini@arm.com  template <$for j, [[typename A$j]]>
20113481Sgiacomo.travaglini@arm.com]]]]
20213481Sgiacomo.travaglini@arm.com$range j 0..i-1
20313481Sgiacomo.travaglini@arm.com$var As = [[$for j, [[A$j]]]]
20413481Sgiacomo.travaglini@arm.com$var as = [[$for j, [[get<$j>(args)]]]]
20513481Sgiacomo.travaglini@arm.com$range k 1..n-i
20613481Sgiacomo.travaglini@arm.com$var eas = [[$for k, [[ExcessiveArg()]]]]
20713481Sgiacomo.travaglini@arm.com$var arg_list = [[$if (i==0) | (i==n) [[$as$eas]] $else [[$as, $eas]]]]
20813481Sgiacomo.travaglini@arm.com$template
20913481Sgiacomo.travaglini@arm.com  static Result Perform(Impl* impl, const ::testing::tuple<$As>& args) {
21013481Sgiacomo.travaglini@arm.com    return impl->template gmock_PerformImpl<$As>(args, $arg_list);
21113481Sgiacomo.travaglini@arm.com  }
21213481Sgiacomo.travaglini@arm.com
21313481Sgiacomo.travaglini@arm.com]]
21413481Sgiacomo.travaglini@arm.com};
21513481Sgiacomo.travaglini@arm.com
21613481Sgiacomo.travaglini@arm.com}  // namespace internal
21713481Sgiacomo.travaglini@arm.com
21813481Sgiacomo.travaglini@arm.com// Various overloads for Invoke().
21913481Sgiacomo.travaglini@arm.com
22013481Sgiacomo.travaglini@arm.com// WithArgs<N1, N2, ..., Nk>(an_action) creates an action that passes
22113481Sgiacomo.travaglini@arm.com// the selected arguments of the mock function to an_action and
22213481Sgiacomo.travaglini@arm.com// performs it.  It serves as an adaptor between actions with
22313481Sgiacomo.travaglini@arm.com// different argument lists.  C++ doesn't support default arguments for
22413481Sgiacomo.travaglini@arm.com// function templates, so we have to overload it.
22513481Sgiacomo.travaglini@arm.com
22613481Sgiacomo.travaglini@arm.com$range i 1..n
22713481Sgiacomo.travaglini@arm.com$for i [[
22813481Sgiacomo.travaglini@arm.com$range j 1..i
22913481Sgiacomo.travaglini@arm.comtemplate <$for j [[int k$j, ]]typename InnerAction>
23013481Sgiacomo.travaglini@arm.cominline internal::WithArgsAction<InnerAction$for j [[, k$j]]>
23113481Sgiacomo.travaglini@arm.comWithArgs(const InnerAction& action) {
23213481Sgiacomo.travaglini@arm.com  return internal::WithArgsAction<InnerAction$for j [[, k$j]]>(action);
23313481Sgiacomo.travaglini@arm.com}
23413481Sgiacomo.travaglini@arm.com
23513481Sgiacomo.travaglini@arm.com
23613481Sgiacomo.travaglini@arm.com]]
23713481Sgiacomo.travaglini@arm.com// Creates an action that does actions a1, a2, ..., sequentially in
23813481Sgiacomo.travaglini@arm.com// each invocation.
23913481Sgiacomo.travaglini@arm.com$range i 2..n
24013481Sgiacomo.travaglini@arm.com$for i [[
24113481Sgiacomo.travaglini@arm.com$range j 2..i
24213481Sgiacomo.travaglini@arm.com$var types = [[$for j, [[typename Action$j]]]]
24313481Sgiacomo.travaglini@arm.com$var Aas = [[$for j [[, Action$j a$j]]]]
24413481Sgiacomo.travaglini@arm.com
24513481Sgiacomo.travaglini@arm.comtemplate <typename Action1, $types>
24613481Sgiacomo.travaglini@arm.com$range k 1..i-1
24713481Sgiacomo.travaglini@arm.com
24813481Sgiacomo.travaglini@arm.cominline $for k [[internal::DoBothAction<Action$k, ]]Action$i$for k  [[>]]
24913481Sgiacomo.travaglini@arm.com
25013481Sgiacomo.travaglini@arm.comDoAll(Action1 a1$Aas) {
25113481Sgiacomo.travaglini@arm.com$if i==2 [[
25213481Sgiacomo.travaglini@arm.com
25313481Sgiacomo.travaglini@arm.com  return internal::DoBothAction<Action1, Action2>(a1, a2);
25413481Sgiacomo.travaglini@arm.com]] $else [[
25513481Sgiacomo.travaglini@arm.com$range j2 2..i
25613481Sgiacomo.travaglini@arm.com
25713481Sgiacomo.travaglini@arm.com  return DoAll(a1, DoAll($for j2, [[a$j2]]));
25813481Sgiacomo.travaglini@arm.com]]
25913481Sgiacomo.travaglini@arm.com
26013481Sgiacomo.travaglini@arm.com}
26113481Sgiacomo.travaglini@arm.com
26213481Sgiacomo.travaglini@arm.com]]
26313481Sgiacomo.travaglini@arm.com
26413481Sgiacomo.travaglini@arm.com}  // namespace testing
26513481Sgiacomo.travaglini@arm.com
26613481Sgiacomo.travaglini@arm.com// The ACTION* family of macros can be used in a namespace scope to
26713481Sgiacomo.travaglini@arm.com// define custom actions easily.  The syntax:
26813481Sgiacomo.travaglini@arm.com//
26913481Sgiacomo.travaglini@arm.com//   ACTION(name) { statements; }
27013481Sgiacomo.travaglini@arm.com//
27113481Sgiacomo.travaglini@arm.com// will define an action with the given name that executes the
27213481Sgiacomo.travaglini@arm.com// statements.  The value returned by the statements will be used as
27313481Sgiacomo.travaglini@arm.com// the return value of the action.  Inside the statements, you can
27413481Sgiacomo.travaglini@arm.com// refer to the K-th (0-based) argument of the mock function by
27513481Sgiacomo.travaglini@arm.com// 'argK', and refer to its type by 'argK_type'.  For example:
27613481Sgiacomo.travaglini@arm.com//
27713481Sgiacomo.travaglini@arm.com//   ACTION(IncrementArg1) {
27813481Sgiacomo.travaglini@arm.com//     arg1_type temp = arg1;
27913481Sgiacomo.travaglini@arm.com//     return ++(*temp);
28013481Sgiacomo.travaglini@arm.com//   }
28113481Sgiacomo.travaglini@arm.com//
28213481Sgiacomo.travaglini@arm.com// allows you to write
28313481Sgiacomo.travaglini@arm.com//
28413481Sgiacomo.travaglini@arm.com//   ...WillOnce(IncrementArg1());
28513481Sgiacomo.travaglini@arm.com//
28613481Sgiacomo.travaglini@arm.com// You can also refer to the entire argument tuple and its type by
28713481Sgiacomo.travaglini@arm.com// 'args' and 'args_type', and refer to the mock function type and its
28813481Sgiacomo.travaglini@arm.com// return type by 'function_type' and 'return_type'.
28913481Sgiacomo.travaglini@arm.com//
29013481Sgiacomo.travaglini@arm.com// Note that you don't need to specify the types of the mock function
29113481Sgiacomo.travaglini@arm.com// arguments.  However rest assured that your code is still type-safe:
29213481Sgiacomo.travaglini@arm.com// you'll get a compiler error if *arg1 doesn't support the ++
29313481Sgiacomo.travaglini@arm.com// operator, or if the type of ++(*arg1) isn't compatible with the
29413481Sgiacomo.travaglini@arm.com// mock function's return type, for example.
29513481Sgiacomo.travaglini@arm.com//
29613481Sgiacomo.travaglini@arm.com// Sometimes you'll want to parameterize the action.   For that you can use
29713481Sgiacomo.travaglini@arm.com// another macro:
29813481Sgiacomo.travaglini@arm.com//
29913481Sgiacomo.travaglini@arm.com//   ACTION_P(name, param_name) { statements; }
30013481Sgiacomo.travaglini@arm.com//
30113481Sgiacomo.travaglini@arm.com// For example:
30213481Sgiacomo.travaglini@arm.com//
30313481Sgiacomo.travaglini@arm.com//   ACTION_P(Add, n) { return arg0 + n; }
30413481Sgiacomo.travaglini@arm.com//
30513481Sgiacomo.travaglini@arm.com// will allow you to write:
30613481Sgiacomo.travaglini@arm.com//
30713481Sgiacomo.travaglini@arm.com//   ...WillOnce(Add(5));
30813481Sgiacomo.travaglini@arm.com//
30913481Sgiacomo.travaglini@arm.com// Note that you don't need to provide the type of the parameter
31013481Sgiacomo.travaglini@arm.com// either.  If you need to reference the type of a parameter named
31113481Sgiacomo.travaglini@arm.com// 'foo', you can write 'foo_type'.  For example, in the body of
31213481Sgiacomo.travaglini@arm.com// ACTION_P(Add, n) above, you can write 'n_type' to refer to the type
31313481Sgiacomo.travaglini@arm.com// of 'n'.
31413481Sgiacomo.travaglini@arm.com//
31513481Sgiacomo.travaglini@arm.com// We also provide ACTION_P2, ACTION_P3, ..., up to ACTION_P$n to support
31613481Sgiacomo.travaglini@arm.com// multi-parameter actions.
31713481Sgiacomo.travaglini@arm.com//
31813481Sgiacomo.travaglini@arm.com// For the purpose of typing, you can view
31913481Sgiacomo.travaglini@arm.com//
32013481Sgiacomo.travaglini@arm.com//   ACTION_Pk(Foo, p1, ..., pk) { ... }
32113481Sgiacomo.travaglini@arm.com//
32213481Sgiacomo.travaglini@arm.com// as shorthand for
32313481Sgiacomo.travaglini@arm.com//
32413481Sgiacomo.travaglini@arm.com//   template <typename p1_type, ..., typename pk_type>
32513481Sgiacomo.travaglini@arm.com//   FooActionPk<p1_type, ..., pk_type> Foo(p1_type p1, ..., pk_type pk) { ... }
32613481Sgiacomo.travaglini@arm.com//
32713481Sgiacomo.travaglini@arm.com// In particular, you can provide the template type arguments
32813481Sgiacomo.travaglini@arm.com// explicitly when invoking Foo(), as in Foo<long, bool>(5, false);
32913481Sgiacomo.travaglini@arm.com// although usually you can rely on the compiler to infer the types
33013481Sgiacomo.travaglini@arm.com// for you automatically.  You can assign the result of expression
33113481Sgiacomo.travaglini@arm.com// Foo(p1, ..., pk) to a variable of type FooActionPk<p1_type, ...,
33213481Sgiacomo.travaglini@arm.com// pk_type>.  This can be useful when composing actions.
33313481Sgiacomo.travaglini@arm.com//
33413481Sgiacomo.travaglini@arm.com// You can also overload actions with different numbers of parameters:
33513481Sgiacomo.travaglini@arm.com//
33613481Sgiacomo.travaglini@arm.com//   ACTION_P(Plus, a) { ... }
33713481Sgiacomo.travaglini@arm.com//   ACTION_P2(Plus, a, b) { ... }
33813481Sgiacomo.travaglini@arm.com//
33913481Sgiacomo.travaglini@arm.com// While it's tempting to always use the ACTION* macros when defining
34013481Sgiacomo.travaglini@arm.com// a new action, you should also consider implementing ActionInterface
34113481Sgiacomo.travaglini@arm.com// or using MakePolymorphicAction() instead, especially if you need to
34213481Sgiacomo.travaglini@arm.com// use the action a lot.  While these approaches require more work,
34313481Sgiacomo.travaglini@arm.com// they give you more control on the types of the mock function
34413481Sgiacomo.travaglini@arm.com// arguments and the action parameters, which in general leads to
34513481Sgiacomo.travaglini@arm.com// better compiler error messages that pay off in the long run.  They
34613481Sgiacomo.travaglini@arm.com// also allow overloading actions based on parameter types (as opposed
34713481Sgiacomo.travaglini@arm.com// to just based on the number of parameters).
34813481Sgiacomo.travaglini@arm.com//
34913481Sgiacomo.travaglini@arm.com// CAVEAT:
35013481Sgiacomo.travaglini@arm.com//
35113481Sgiacomo.travaglini@arm.com// ACTION*() can only be used in a namespace scope.  The reason is
35213481Sgiacomo.travaglini@arm.com// that C++ doesn't yet allow function-local types to be used to
35313481Sgiacomo.travaglini@arm.com// instantiate templates.  The up-coming C++0x standard will fix this.
35413481Sgiacomo.travaglini@arm.com// Once that's done, we'll consider supporting using ACTION*() inside
35513481Sgiacomo.travaglini@arm.com// a function.
35613481Sgiacomo.travaglini@arm.com//
35713481Sgiacomo.travaglini@arm.com// MORE INFORMATION:
35813481Sgiacomo.travaglini@arm.com//
35913481Sgiacomo.travaglini@arm.com// To learn more about using these macros, please search for 'ACTION'
36013481Sgiacomo.travaglini@arm.com// on http://code.google.com/p/googlemock/wiki/CookBook.
36113481Sgiacomo.travaglini@arm.com
36213481Sgiacomo.travaglini@arm.com$range i 0..n
36313481Sgiacomo.travaglini@arm.com$range k 0..n-1
36413481Sgiacomo.travaglini@arm.com
36513481Sgiacomo.travaglini@arm.com// An internal macro needed for implementing ACTION*().
36613481Sgiacomo.travaglini@arm.com#define GMOCK_ACTION_ARG_TYPES_AND_NAMES_UNUSED_\
36713481Sgiacomo.travaglini@arm.com    const args_type& args GTEST_ATTRIBUTE_UNUSED_
36813481Sgiacomo.travaglini@arm.com$for k [[, \
36913481Sgiacomo.travaglini@arm.com    arg$k[[]]_type arg$k GTEST_ATTRIBUTE_UNUSED_]]
37013481Sgiacomo.travaglini@arm.com
37113481Sgiacomo.travaglini@arm.com
37213481Sgiacomo.travaglini@arm.com// Sometimes you want to give an action explicit template parameters
37313481Sgiacomo.travaglini@arm.com// that cannot be inferred from its value parameters.  ACTION() and
37413481Sgiacomo.travaglini@arm.com// ACTION_P*() don't support that.  ACTION_TEMPLATE() remedies that
37513481Sgiacomo.travaglini@arm.com// and can be viewed as an extension to ACTION() and ACTION_P*().
37613481Sgiacomo.travaglini@arm.com//
37713481Sgiacomo.travaglini@arm.com// The syntax:
37813481Sgiacomo.travaglini@arm.com//
37913481Sgiacomo.travaglini@arm.com//   ACTION_TEMPLATE(ActionName,
38013481Sgiacomo.travaglini@arm.com//                   HAS_m_TEMPLATE_PARAMS(kind1, name1, ..., kind_m, name_m),
38113481Sgiacomo.travaglini@arm.com//                   AND_n_VALUE_PARAMS(p1, ..., p_n)) { statements; }
38213481Sgiacomo.travaglini@arm.com//
38313481Sgiacomo.travaglini@arm.com// defines an action template that takes m explicit template
38413481Sgiacomo.travaglini@arm.com// parameters and n value parameters.  name_i is the name of the i-th
38513481Sgiacomo.travaglini@arm.com// template parameter, and kind_i specifies whether it's a typename,
38613481Sgiacomo.travaglini@arm.com// an integral constant, or a template.  p_i is the name of the i-th
38713481Sgiacomo.travaglini@arm.com// value parameter.
38813481Sgiacomo.travaglini@arm.com//
38913481Sgiacomo.travaglini@arm.com// Example:
39013481Sgiacomo.travaglini@arm.com//
39113481Sgiacomo.travaglini@arm.com//   // DuplicateArg<k, T>(output) converts the k-th argument of the mock
39213481Sgiacomo.travaglini@arm.com//   // function to type T and copies it to *output.
39313481Sgiacomo.travaglini@arm.com//   ACTION_TEMPLATE(DuplicateArg,
39413481Sgiacomo.travaglini@arm.com//                   HAS_2_TEMPLATE_PARAMS(int, k, typename, T),
39513481Sgiacomo.travaglini@arm.com//                   AND_1_VALUE_PARAMS(output)) {
39613481Sgiacomo.travaglini@arm.com//     *output = T(::testing::get<k>(args));
39713481Sgiacomo.travaglini@arm.com//   }
39813481Sgiacomo.travaglini@arm.com//   ...
39913481Sgiacomo.travaglini@arm.com//     int n;
40013481Sgiacomo.travaglini@arm.com//     EXPECT_CALL(mock, Foo(_, _))
40113481Sgiacomo.travaglini@arm.com//         .WillOnce(DuplicateArg<1, unsigned char>(&n));
40213481Sgiacomo.travaglini@arm.com//
40313481Sgiacomo.travaglini@arm.com// To create an instance of an action template, write:
40413481Sgiacomo.travaglini@arm.com//
40513481Sgiacomo.travaglini@arm.com//   ActionName<t1, ..., t_m>(v1, ..., v_n)
40613481Sgiacomo.travaglini@arm.com//
40713481Sgiacomo.travaglini@arm.com// where the ts are the template arguments and the vs are the value
40813481Sgiacomo.travaglini@arm.com// arguments.  The value argument types are inferred by the compiler.
40913481Sgiacomo.travaglini@arm.com// If you want to explicitly specify the value argument types, you can
41013481Sgiacomo.travaglini@arm.com// provide additional template arguments:
41113481Sgiacomo.travaglini@arm.com//
41213481Sgiacomo.travaglini@arm.com//   ActionName<t1, ..., t_m, u1, ..., u_k>(v1, ..., v_n)
41313481Sgiacomo.travaglini@arm.com//
41413481Sgiacomo.travaglini@arm.com// where u_i is the desired type of v_i.
41513481Sgiacomo.travaglini@arm.com//
41613481Sgiacomo.travaglini@arm.com// ACTION_TEMPLATE and ACTION/ACTION_P* can be overloaded on the
41713481Sgiacomo.travaglini@arm.com// number of value parameters, but not on the number of template
41813481Sgiacomo.travaglini@arm.com// parameters.  Without the restriction, the meaning of the following
41913481Sgiacomo.travaglini@arm.com// is unclear:
42013481Sgiacomo.travaglini@arm.com//
42113481Sgiacomo.travaglini@arm.com//   OverloadedAction<int, bool>(x);
42213481Sgiacomo.travaglini@arm.com//
42313481Sgiacomo.travaglini@arm.com// Are we using a single-template-parameter action where 'bool' refers
42413481Sgiacomo.travaglini@arm.com// to the type of x, or are we using a two-template-parameter action
42513481Sgiacomo.travaglini@arm.com// where the compiler is asked to infer the type of x?
42613481Sgiacomo.travaglini@arm.com//
42713481Sgiacomo.travaglini@arm.com// Implementation notes:
42813481Sgiacomo.travaglini@arm.com//
42913481Sgiacomo.travaglini@arm.com// GMOCK_INTERNAL_*_HAS_m_TEMPLATE_PARAMS and
43013481Sgiacomo.travaglini@arm.com// GMOCK_INTERNAL_*_AND_n_VALUE_PARAMS are internal macros for
43113481Sgiacomo.travaglini@arm.com// implementing ACTION_TEMPLATE.  The main trick we use is to create
43213481Sgiacomo.travaglini@arm.com// new macro invocations when expanding a macro.  For example, we have
43313481Sgiacomo.travaglini@arm.com//
43413481Sgiacomo.travaglini@arm.com//   #define ACTION_TEMPLATE(name, template_params, value_params)
43513481Sgiacomo.travaglini@arm.com//       ... GMOCK_INTERNAL_DECL_##template_params ...
43613481Sgiacomo.travaglini@arm.com//
43713481Sgiacomo.travaglini@arm.com// which causes ACTION_TEMPLATE(..., HAS_1_TEMPLATE_PARAMS(typename, T), ...)
43813481Sgiacomo.travaglini@arm.com// to expand to
43913481Sgiacomo.travaglini@arm.com//
44013481Sgiacomo.travaglini@arm.com//       ... GMOCK_INTERNAL_DECL_HAS_1_TEMPLATE_PARAMS(typename, T) ...
44113481Sgiacomo.travaglini@arm.com//
44213481Sgiacomo.travaglini@arm.com// Since GMOCK_INTERNAL_DECL_HAS_1_TEMPLATE_PARAMS is a macro, the
44313481Sgiacomo.travaglini@arm.com// preprocessor will continue to expand it to
44413481Sgiacomo.travaglini@arm.com//
44513481Sgiacomo.travaglini@arm.com//       ... typename T ...
44613481Sgiacomo.travaglini@arm.com//
44713481Sgiacomo.travaglini@arm.com// This technique conforms to the C++ standard and is portable.  It
44813481Sgiacomo.travaglini@arm.com// allows us to implement action templates using O(N) code, where N is
44913481Sgiacomo.travaglini@arm.com// the maximum number of template/value parameters supported.  Without
45013481Sgiacomo.travaglini@arm.com// using it, we'd have to devote O(N^2) amount of code to implement all
45113481Sgiacomo.travaglini@arm.com// combinations of m and n.
45213481Sgiacomo.travaglini@arm.com
45313481Sgiacomo.travaglini@arm.com// Declares the template parameters.
45413481Sgiacomo.travaglini@arm.com
45513481Sgiacomo.travaglini@arm.com$range j 1..n
45613481Sgiacomo.travaglini@arm.com$for j [[
45713481Sgiacomo.travaglini@arm.com$range m 0..j-1
45813481Sgiacomo.travaglini@arm.com#define GMOCK_INTERNAL_DECL_HAS_$j[[]]
45913481Sgiacomo.travaglini@arm.com_TEMPLATE_PARAMS($for m, [[kind$m, name$m]]) $for m, [[kind$m name$m]]
46013481Sgiacomo.travaglini@arm.com
46113481Sgiacomo.travaglini@arm.com
46213481Sgiacomo.travaglini@arm.com]]
46313481Sgiacomo.travaglini@arm.com
46413481Sgiacomo.travaglini@arm.com// Lists the template parameters.
46513481Sgiacomo.travaglini@arm.com
46613481Sgiacomo.travaglini@arm.com$for j [[
46713481Sgiacomo.travaglini@arm.com$range m 0..j-1
46813481Sgiacomo.travaglini@arm.com#define GMOCK_INTERNAL_LIST_HAS_$j[[]]
46913481Sgiacomo.travaglini@arm.com_TEMPLATE_PARAMS($for m, [[kind$m, name$m]]) $for m, [[name$m]]
47013481Sgiacomo.travaglini@arm.com
47113481Sgiacomo.travaglini@arm.com
47213481Sgiacomo.travaglini@arm.com]]
47313481Sgiacomo.travaglini@arm.com
47413481Sgiacomo.travaglini@arm.com// Declares the types of value parameters.
47513481Sgiacomo.travaglini@arm.com
47613481Sgiacomo.travaglini@arm.com$for i [[
47713481Sgiacomo.travaglini@arm.com$range j 0..i-1
47813481Sgiacomo.travaglini@arm.com#define GMOCK_INTERNAL_DECL_TYPE_AND_$i[[]]
47913481Sgiacomo.travaglini@arm.com_VALUE_PARAMS($for j, [[p$j]]) $for j [[, typename p$j##_type]]
48013481Sgiacomo.travaglini@arm.com
48113481Sgiacomo.travaglini@arm.com
48213481Sgiacomo.travaglini@arm.com]]
48313481Sgiacomo.travaglini@arm.com
48413481Sgiacomo.travaglini@arm.com// Initializes the value parameters.
48513481Sgiacomo.travaglini@arm.com
48613481Sgiacomo.travaglini@arm.com$for i [[
48713481Sgiacomo.travaglini@arm.com$range j 0..i-1
48813481Sgiacomo.travaglini@arm.com#define GMOCK_INTERNAL_INIT_AND_$i[[]]_VALUE_PARAMS($for j, [[p$j]])\
48913481Sgiacomo.travaglini@arm.com    ($for j, [[p$j##_type gmock_p$j]])$if i>0 [[ : ]]$for j, [[p$j(gmock_p$j)]]
49013481Sgiacomo.travaglini@arm.com
49113481Sgiacomo.travaglini@arm.com
49213481Sgiacomo.travaglini@arm.com]]
49313481Sgiacomo.travaglini@arm.com
49413481Sgiacomo.travaglini@arm.com// Declares the fields for storing the value parameters.
49513481Sgiacomo.travaglini@arm.com
49613481Sgiacomo.travaglini@arm.com$for i [[
49713481Sgiacomo.travaglini@arm.com$range j 0..i-1
49813481Sgiacomo.travaglini@arm.com#define GMOCK_INTERNAL_DEFN_AND_$i[[]]
49913481Sgiacomo.travaglini@arm.com_VALUE_PARAMS($for j, [[p$j]]) $for j [[p$j##_type p$j; ]]
50013481Sgiacomo.travaglini@arm.com
50113481Sgiacomo.travaglini@arm.com
50213481Sgiacomo.travaglini@arm.com]]
50313481Sgiacomo.travaglini@arm.com
50413481Sgiacomo.travaglini@arm.com// Lists the value parameters.
50513481Sgiacomo.travaglini@arm.com
50613481Sgiacomo.travaglini@arm.com$for i [[
50713481Sgiacomo.travaglini@arm.com$range j 0..i-1
50813481Sgiacomo.travaglini@arm.com#define GMOCK_INTERNAL_LIST_AND_$i[[]]
50913481Sgiacomo.travaglini@arm.com_VALUE_PARAMS($for j, [[p$j]]) $for j, [[p$j]]
51013481Sgiacomo.travaglini@arm.com
51113481Sgiacomo.travaglini@arm.com
51213481Sgiacomo.travaglini@arm.com]]
51313481Sgiacomo.travaglini@arm.com
51413481Sgiacomo.travaglini@arm.com// Lists the value parameter types.
51513481Sgiacomo.travaglini@arm.com
51613481Sgiacomo.travaglini@arm.com$for i [[
51713481Sgiacomo.travaglini@arm.com$range j 0..i-1
51813481Sgiacomo.travaglini@arm.com#define GMOCK_INTERNAL_LIST_TYPE_AND_$i[[]]
51913481Sgiacomo.travaglini@arm.com_VALUE_PARAMS($for j, [[p$j]]) $for j [[, p$j##_type]]
52013481Sgiacomo.travaglini@arm.com
52113481Sgiacomo.travaglini@arm.com
52213481Sgiacomo.travaglini@arm.com]]
52313481Sgiacomo.travaglini@arm.com
52413481Sgiacomo.travaglini@arm.com// Declares the value parameters.
52513481Sgiacomo.travaglini@arm.com
52613481Sgiacomo.travaglini@arm.com$for i [[
52713481Sgiacomo.travaglini@arm.com$range j 0..i-1
52813481Sgiacomo.travaglini@arm.com#define GMOCK_INTERNAL_DECL_AND_$i[[]]_VALUE_PARAMS($for j, [[p$j]]) [[]]
52913481Sgiacomo.travaglini@arm.com$for j, [[p$j##_type p$j]]
53013481Sgiacomo.travaglini@arm.com
53113481Sgiacomo.travaglini@arm.com
53213481Sgiacomo.travaglini@arm.com]]
53313481Sgiacomo.travaglini@arm.com
53413481Sgiacomo.travaglini@arm.com// The suffix of the class template implementing the action template.
53513481Sgiacomo.travaglini@arm.com$for i [[
53613481Sgiacomo.travaglini@arm.com
53713481Sgiacomo.travaglini@arm.com
53813481Sgiacomo.travaglini@arm.com$range j 0..i-1
53913481Sgiacomo.travaglini@arm.com#define GMOCK_INTERNAL_COUNT_AND_$i[[]]_VALUE_PARAMS($for j, [[p$j]]) [[]]
54013481Sgiacomo.travaglini@arm.com$if i==1 [[P]] $elif i>=2 [[P$i]]
54113481Sgiacomo.travaglini@arm.com]]
54213481Sgiacomo.travaglini@arm.com
54313481Sgiacomo.travaglini@arm.com
54413481Sgiacomo.travaglini@arm.com// The name of the class template implementing the action template.
54513481Sgiacomo.travaglini@arm.com#define GMOCK_ACTION_CLASS_(name, value_params)\
54613481Sgiacomo.travaglini@arm.com    GTEST_CONCAT_TOKEN_(name##Action, GMOCK_INTERNAL_COUNT_##value_params)
54713481Sgiacomo.travaglini@arm.com
54813481Sgiacomo.travaglini@arm.com$range k 0..n-1
54913481Sgiacomo.travaglini@arm.com
55013481Sgiacomo.travaglini@arm.com#define ACTION_TEMPLATE(name, template_params, value_params)\
55113481Sgiacomo.travaglini@arm.com  template <GMOCK_INTERNAL_DECL_##template_params\
55213481Sgiacomo.travaglini@arm.com            GMOCK_INTERNAL_DECL_TYPE_##value_params>\
55313481Sgiacomo.travaglini@arm.com  class GMOCK_ACTION_CLASS_(name, value_params) {\
55413481Sgiacomo.travaglini@arm.com   public:\
55513481Sgiacomo.travaglini@arm.com    explicit GMOCK_ACTION_CLASS_(name, value_params)\
55613481Sgiacomo.travaglini@arm.com        GMOCK_INTERNAL_INIT_##value_params {}\
55713481Sgiacomo.travaglini@arm.com    template <typename F>\
55813481Sgiacomo.travaglini@arm.com    class gmock_Impl : public ::testing::ActionInterface<F> {\
55913481Sgiacomo.travaglini@arm.com     public:\
56013481Sgiacomo.travaglini@arm.com      typedef F function_type;\
56113481Sgiacomo.travaglini@arm.com      typedef typename ::testing::internal::Function<F>::Result return_type;\
56213481Sgiacomo.travaglini@arm.com      typedef typename ::testing::internal::Function<F>::ArgumentTuple\
56313481Sgiacomo.travaglini@arm.com          args_type;\
56413481Sgiacomo.travaglini@arm.com      explicit gmock_Impl GMOCK_INTERNAL_INIT_##value_params {}\
56513481Sgiacomo.travaglini@arm.com      virtual return_type Perform(const args_type& args) {\
56613481Sgiacomo.travaglini@arm.com        return ::testing::internal::ActionHelper<return_type, gmock_Impl>::\
56713481Sgiacomo.travaglini@arm.com            Perform(this, args);\
56813481Sgiacomo.travaglini@arm.com      }\
56913481Sgiacomo.travaglini@arm.com      template <$for k, [[typename arg$k[[]]_type]]>\
57013481Sgiacomo.travaglini@arm.com      return_type gmock_PerformImpl(const args_type& args[[]]
57113481Sgiacomo.travaglini@arm.com$for k [[, arg$k[[]]_type arg$k]]) const;\
57213481Sgiacomo.travaglini@arm.com      GMOCK_INTERNAL_DEFN_##value_params\
57313481Sgiacomo.travaglini@arm.com     private:\
57413481Sgiacomo.travaglini@arm.com      GTEST_DISALLOW_ASSIGN_(gmock_Impl);\
57513481Sgiacomo.travaglini@arm.com    };\
57613481Sgiacomo.travaglini@arm.com    template <typename F> operator ::testing::Action<F>() const {\
57713481Sgiacomo.travaglini@arm.com      return ::testing::Action<F>(\
57813481Sgiacomo.travaglini@arm.com          new gmock_Impl<F>(GMOCK_INTERNAL_LIST_##value_params));\
57913481Sgiacomo.travaglini@arm.com    }\
58013481Sgiacomo.travaglini@arm.com    GMOCK_INTERNAL_DEFN_##value_params\
58113481Sgiacomo.travaglini@arm.com   private:\
58213481Sgiacomo.travaglini@arm.com    GTEST_DISALLOW_ASSIGN_(GMOCK_ACTION_CLASS_(name, value_params));\
58313481Sgiacomo.travaglini@arm.com  };\
58413481Sgiacomo.travaglini@arm.com  template <GMOCK_INTERNAL_DECL_##template_params\
58513481Sgiacomo.travaglini@arm.com            GMOCK_INTERNAL_DECL_TYPE_##value_params>\
58613481Sgiacomo.travaglini@arm.com  inline GMOCK_ACTION_CLASS_(name, value_params)<\
58713481Sgiacomo.travaglini@arm.com      GMOCK_INTERNAL_LIST_##template_params\
58813481Sgiacomo.travaglini@arm.com      GMOCK_INTERNAL_LIST_TYPE_##value_params> name(\
58913481Sgiacomo.travaglini@arm.com          GMOCK_INTERNAL_DECL_##value_params) {\
59013481Sgiacomo.travaglini@arm.com    return GMOCK_ACTION_CLASS_(name, value_params)<\
59113481Sgiacomo.travaglini@arm.com        GMOCK_INTERNAL_LIST_##template_params\
59213481Sgiacomo.travaglini@arm.com        GMOCK_INTERNAL_LIST_TYPE_##value_params>(\
59313481Sgiacomo.travaglini@arm.com            GMOCK_INTERNAL_LIST_##value_params);\
59413481Sgiacomo.travaglini@arm.com  }\
59513481Sgiacomo.travaglini@arm.com  template <GMOCK_INTERNAL_DECL_##template_params\
59613481Sgiacomo.travaglini@arm.com            GMOCK_INTERNAL_DECL_TYPE_##value_params>\
59713481Sgiacomo.travaglini@arm.com  template <typename F>\
59813481Sgiacomo.travaglini@arm.com  template <typename arg0_type, typename arg1_type, typename arg2_type, \
59913481Sgiacomo.travaglini@arm.com      typename arg3_type, typename arg4_type, typename arg5_type, \
60013481Sgiacomo.travaglini@arm.com      typename arg6_type, typename arg7_type, typename arg8_type, \
60113481Sgiacomo.travaglini@arm.com      typename arg9_type>\
60213481Sgiacomo.travaglini@arm.com  typename ::testing::internal::Function<F>::Result\
60313481Sgiacomo.travaglini@arm.com      GMOCK_ACTION_CLASS_(name, value_params)<\
60413481Sgiacomo.travaglini@arm.com          GMOCK_INTERNAL_LIST_##template_params\
60513481Sgiacomo.travaglini@arm.com          GMOCK_INTERNAL_LIST_TYPE_##value_params>::gmock_Impl<F>::\
60613481Sgiacomo.travaglini@arm.com              gmock_PerformImpl(\
60713481Sgiacomo.travaglini@arm.com          GMOCK_ACTION_ARG_TYPES_AND_NAMES_UNUSED_) const
60813481Sgiacomo.travaglini@arm.com
60913481Sgiacomo.travaglini@arm.com$for i
61013481Sgiacomo.travaglini@arm.com
61113481Sgiacomo.travaglini@arm.com[[
61213481Sgiacomo.travaglini@arm.com$var template = [[$if i==0 [[]] $else [[
61313481Sgiacomo.travaglini@arm.com$range j 0..i-1
61413481Sgiacomo.travaglini@arm.com
61513481Sgiacomo.travaglini@arm.com  template <$for j, [[typename p$j##_type]]>\
61613481Sgiacomo.travaglini@arm.com]]]]
61713481Sgiacomo.travaglini@arm.com$var class_name = [[name##Action[[$if i==0 [[]] $elif i==1 [[P]]
61813481Sgiacomo.travaglini@arm.com                                                $else [[P$i]]]]]]
61913481Sgiacomo.travaglini@arm.com$range j 0..i-1
62013481Sgiacomo.travaglini@arm.com$var ctor_param_list = [[$for j, [[p$j##_type gmock_p$j]]]]
62113481Sgiacomo.travaglini@arm.com$var param_types_and_names = [[$for j, [[p$j##_type p$j]]]]
62213481Sgiacomo.travaglini@arm.com$var inits = [[$if i==0 [[]] $else [[ : $for j, [[p$j(gmock_p$j)]]]]]]
62313481Sgiacomo.travaglini@arm.com$var param_field_decls = [[$for j
62413481Sgiacomo.travaglini@arm.com[[
62513481Sgiacomo.travaglini@arm.com
62613481Sgiacomo.travaglini@arm.com      p$j##_type p$j;\
62713481Sgiacomo.travaglini@arm.com]]]]
62813481Sgiacomo.travaglini@arm.com$var param_field_decls2 = [[$for j
62913481Sgiacomo.travaglini@arm.com[[
63013481Sgiacomo.travaglini@arm.com
63113481Sgiacomo.travaglini@arm.com    p$j##_type p$j;\
63213481Sgiacomo.travaglini@arm.com]]]]
63313481Sgiacomo.travaglini@arm.com$var params = [[$for j, [[p$j]]]]
63413481Sgiacomo.travaglini@arm.com$var param_types = [[$if i==0 [[]] $else [[<$for j, [[p$j##_type]]>]]]]
63513481Sgiacomo.travaglini@arm.com$var typename_arg_types = [[$for k, [[typename arg$k[[]]_type]]]]
63613481Sgiacomo.travaglini@arm.com$var arg_types_and_names = [[$for k, [[arg$k[[]]_type arg$k]]]]
63713481Sgiacomo.travaglini@arm.com$var macro_name = [[$if i==0 [[ACTION]] $elif i==1 [[ACTION_P]]
63813481Sgiacomo.travaglini@arm.com                                        $else [[ACTION_P$i]]]]
63913481Sgiacomo.travaglini@arm.com
64013481Sgiacomo.travaglini@arm.com#define $macro_name(name$for j [[, p$j]])\$template
64113481Sgiacomo.travaglini@arm.com  class $class_name {\
64213481Sgiacomo.travaglini@arm.com   public:\
64313481Sgiacomo.travaglini@arm.com    [[$if i==1 [[explicit ]]]]$class_name($ctor_param_list)$inits {}\
64413481Sgiacomo.travaglini@arm.com    template <typename F>\
64513481Sgiacomo.travaglini@arm.com    class gmock_Impl : public ::testing::ActionInterface<F> {\
64613481Sgiacomo.travaglini@arm.com     public:\
64713481Sgiacomo.travaglini@arm.com      typedef F function_type;\
64813481Sgiacomo.travaglini@arm.com      typedef typename ::testing::internal::Function<F>::Result return_type;\
64913481Sgiacomo.travaglini@arm.com      typedef typename ::testing::internal::Function<F>::ArgumentTuple\
65013481Sgiacomo.travaglini@arm.com          args_type;\
65113481Sgiacomo.travaglini@arm.com      [[$if i==1 [[explicit ]]]]gmock_Impl($ctor_param_list)$inits {}\
65213481Sgiacomo.travaglini@arm.com      virtual return_type Perform(const args_type& args) {\
65313481Sgiacomo.travaglini@arm.com        return ::testing::internal::ActionHelper<return_type, gmock_Impl>::\
65413481Sgiacomo.travaglini@arm.com            Perform(this, args);\
65513481Sgiacomo.travaglini@arm.com      }\
65613481Sgiacomo.travaglini@arm.com      template <$typename_arg_types>\
65713481Sgiacomo.travaglini@arm.com      return_type gmock_PerformImpl(const args_type& args, [[]]
65813481Sgiacomo.travaglini@arm.com$arg_types_and_names) const;\$param_field_decls
65913481Sgiacomo.travaglini@arm.com     private:\
66013481Sgiacomo.travaglini@arm.com      GTEST_DISALLOW_ASSIGN_(gmock_Impl);\
66113481Sgiacomo.travaglini@arm.com    };\
66213481Sgiacomo.travaglini@arm.com    template <typename F> operator ::testing::Action<F>() const {\
66313481Sgiacomo.travaglini@arm.com      return ::testing::Action<F>(new gmock_Impl<F>($params));\
66413481Sgiacomo.travaglini@arm.com    }\$param_field_decls2
66513481Sgiacomo.travaglini@arm.com   private:\
66613481Sgiacomo.travaglini@arm.com    GTEST_DISALLOW_ASSIGN_($class_name);\
66713481Sgiacomo.travaglini@arm.com  };\$template
66813481Sgiacomo.travaglini@arm.com  inline $class_name$param_types name($param_types_and_names) {\
66913481Sgiacomo.travaglini@arm.com    return $class_name$param_types($params);\
67013481Sgiacomo.travaglini@arm.com  }\$template
67113481Sgiacomo.travaglini@arm.com  template <typename F>\
67213481Sgiacomo.travaglini@arm.com  template <$typename_arg_types>\
67313481Sgiacomo.travaglini@arm.com  typename ::testing::internal::Function<F>::Result\
67413481Sgiacomo.travaglini@arm.com      $class_name$param_types::gmock_Impl<F>::gmock_PerformImpl(\
67513481Sgiacomo.travaglini@arm.com          GMOCK_ACTION_ARG_TYPES_AND_NAMES_UNUSED_) const
67613481Sgiacomo.travaglini@arm.com]]
67713481Sgiacomo.travaglini@arm.com$$ }  // This meta comment fixes auto-indentation in Emacs.  It won't
67813481Sgiacomo.travaglini@arm.com$$    // show up in the generated code.
67913481Sgiacomo.travaglini@arm.com
68013481Sgiacomo.travaglini@arm.com
68113481Sgiacomo.travaglini@arm.comnamespace testing {
68213481Sgiacomo.travaglini@arm.com
68313481Sgiacomo.travaglini@arm.com
68413481Sgiacomo.travaglini@arm.com// The ACTION*() macros trigger warning C4100 (unreferenced formal
68513481Sgiacomo.travaglini@arm.com// parameter) in MSVC with -W4.  Unfortunately they cannot be fixed in
68613481Sgiacomo.travaglini@arm.com// the macro definition, as the warnings are generated when the macro
68713481Sgiacomo.travaglini@arm.com// is expanded and macro expansion cannot contain #pragma.  Therefore
68813481Sgiacomo.travaglini@arm.com// we suppress them here.
68913481Sgiacomo.travaglini@arm.com#ifdef _MSC_VER
69013481Sgiacomo.travaglini@arm.com# pragma warning(push)
69113481Sgiacomo.travaglini@arm.com# pragma warning(disable:4100)
69213481Sgiacomo.travaglini@arm.com#endif
69313481Sgiacomo.travaglini@arm.com
69413481Sgiacomo.travaglini@arm.com// Various overloads for InvokeArgument<N>().
69513481Sgiacomo.travaglini@arm.com//
69613481Sgiacomo.travaglini@arm.com// The InvokeArgument<N>(a1, a2, ..., a_k) action invokes the N-th
69713481Sgiacomo.travaglini@arm.com// (0-based) argument, which must be a k-ary callable, of the mock
69813481Sgiacomo.travaglini@arm.com// function, with arguments a1, a2, ..., a_k.
69913481Sgiacomo.travaglini@arm.com//
70013481Sgiacomo.travaglini@arm.com// Notes:
70113481Sgiacomo.travaglini@arm.com//
70213481Sgiacomo.travaglini@arm.com//   1. The arguments are passed by value by default.  If you need to
70313481Sgiacomo.travaglini@arm.com//   pass an argument by reference, wrap it inside ByRef().  For
70413481Sgiacomo.travaglini@arm.com//   example,
70513481Sgiacomo.travaglini@arm.com//
70613481Sgiacomo.travaglini@arm.com//     InvokeArgument<1>(5, string("Hello"), ByRef(foo))
70713481Sgiacomo.travaglini@arm.com//
70813481Sgiacomo.travaglini@arm.com//   passes 5 and string("Hello") by value, and passes foo by
70913481Sgiacomo.travaglini@arm.com//   reference.
71013481Sgiacomo.travaglini@arm.com//
71113481Sgiacomo.travaglini@arm.com//   2. If the callable takes an argument by reference but ByRef() is
71213481Sgiacomo.travaglini@arm.com//   not used, it will receive the reference to a copy of the value,
71313481Sgiacomo.travaglini@arm.com//   instead of the original value.  For example, when the 0-th
71413481Sgiacomo.travaglini@arm.com//   argument of the mock function takes a const string&, the action
71513481Sgiacomo.travaglini@arm.com//
71613481Sgiacomo.travaglini@arm.com//     InvokeArgument<0>(string("Hello"))
71713481Sgiacomo.travaglini@arm.com//
71813481Sgiacomo.travaglini@arm.com//   makes a copy of the temporary string("Hello") object and passes a
71913481Sgiacomo.travaglini@arm.com//   reference of the copy, instead of the original temporary object,
72013481Sgiacomo.travaglini@arm.com//   to the callable.  This makes it easy for a user to define an
72113481Sgiacomo.travaglini@arm.com//   InvokeArgument action from temporary values and have it performed
72213481Sgiacomo.travaglini@arm.com//   later.
72313481Sgiacomo.travaglini@arm.com
72413481Sgiacomo.travaglini@arm.comnamespace internal {
72513481Sgiacomo.travaglini@arm.comnamespace invoke_argument {
72613481Sgiacomo.travaglini@arm.com
72713481Sgiacomo.travaglini@arm.com// Appears in InvokeArgumentAdl's argument list to help avoid
72813481Sgiacomo.travaglini@arm.com// accidental calls to user functions of the same name.
72913481Sgiacomo.travaglini@arm.comstruct AdlTag {};
73013481Sgiacomo.travaglini@arm.com
73113481Sgiacomo.travaglini@arm.com// InvokeArgumentAdl - a helper for InvokeArgument.
73213481Sgiacomo.travaglini@arm.com// The basic overloads are provided here for generic functors.
73313481Sgiacomo.travaglini@arm.com// Overloads for other custom-callables are provided in the
73413481Sgiacomo.travaglini@arm.com// internal/custom/callback-actions.h header.
73513481Sgiacomo.travaglini@arm.com
73613481Sgiacomo.travaglini@arm.com$range i 0..n
73713481Sgiacomo.travaglini@arm.com$for i
73813481Sgiacomo.travaglini@arm.com[[
73913481Sgiacomo.travaglini@arm.com$range j 1..i
74013481Sgiacomo.travaglini@arm.com
74113481Sgiacomo.travaglini@arm.comtemplate <typename R, typename F[[$for j [[, typename A$j]]]]>
74213481Sgiacomo.travaglini@arm.comR InvokeArgumentAdl(AdlTag, F f[[$for j [[, A$j a$j]]]]) {
74313481Sgiacomo.travaglini@arm.com  return f([[$for j, [[a$j]]]]);
74413481Sgiacomo.travaglini@arm.com}
74513481Sgiacomo.travaglini@arm.com]]
74613481Sgiacomo.travaglini@arm.com
74713481Sgiacomo.travaglini@arm.com}  // namespace invoke_argument
74813481Sgiacomo.travaglini@arm.com}  // namespace internal
74913481Sgiacomo.travaglini@arm.com
75013481Sgiacomo.travaglini@arm.com$range i 0..n
75113481Sgiacomo.travaglini@arm.com$for i [[
75213481Sgiacomo.travaglini@arm.com$range j 0..i-1
75313481Sgiacomo.travaglini@arm.com
75413481Sgiacomo.travaglini@arm.comACTION_TEMPLATE(InvokeArgument,
75513481Sgiacomo.travaglini@arm.com                HAS_1_TEMPLATE_PARAMS(int, k),
75613481Sgiacomo.travaglini@arm.com                AND_$i[[]]_VALUE_PARAMS($for j, [[p$j]])) {
75713481Sgiacomo.travaglini@arm.com  using internal::invoke_argument::InvokeArgumentAdl;
75813481Sgiacomo.travaglini@arm.com  return InvokeArgumentAdl<return_type>(
75913481Sgiacomo.travaglini@arm.com      internal::invoke_argument::AdlTag(),
76013481Sgiacomo.travaglini@arm.com      ::testing::get<k>(args)$for j [[, p$j]]);
76113481Sgiacomo.travaglini@arm.com}
76213481Sgiacomo.travaglini@arm.com
76313481Sgiacomo.travaglini@arm.com]]
76413481Sgiacomo.travaglini@arm.com
76513481Sgiacomo.travaglini@arm.com// Various overloads for ReturnNew<T>().
76613481Sgiacomo.travaglini@arm.com//
76713481Sgiacomo.travaglini@arm.com// The ReturnNew<T>(a1, a2, ..., a_k) action returns a pointer to a new
76813481Sgiacomo.travaglini@arm.com// instance of type T, constructed on the heap with constructor arguments
76913481Sgiacomo.travaglini@arm.com// a1, a2, ..., and a_k. The caller assumes ownership of the returned value.
77013481Sgiacomo.travaglini@arm.com$range i 0..n
77113481Sgiacomo.travaglini@arm.com$for i [[
77213481Sgiacomo.travaglini@arm.com$range j 0..i-1
77313481Sgiacomo.travaglini@arm.com$var ps = [[$for j, [[p$j]]]]
77413481Sgiacomo.travaglini@arm.com
77513481Sgiacomo.travaglini@arm.comACTION_TEMPLATE(ReturnNew,
77613481Sgiacomo.travaglini@arm.com                HAS_1_TEMPLATE_PARAMS(typename, T),
77713481Sgiacomo.travaglini@arm.com                AND_$i[[]]_VALUE_PARAMS($ps)) {
77813481Sgiacomo.travaglini@arm.com  return new T($ps);
77913481Sgiacomo.travaglini@arm.com}
78013481Sgiacomo.travaglini@arm.com
78113481Sgiacomo.travaglini@arm.com]]
78213481Sgiacomo.travaglini@arm.com
78313481Sgiacomo.travaglini@arm.com#ifdef _MSC_VER
78413481Sgiacomo.travaglini@arm.com# pragma warning(pop)
78513481Sgiacomo.travaglini@arm.com#endif
78613481Sgiacomo.travaglini@arm.com
78713481Sgiacomo.travaglini@arm.com}  // namespace testing
78813481Sgiacomo.travaglini@arm.com
78913481Sgiacomo.travaglini@arm.com// Include any custom callback actions added by the local installation.
79013481Sgiacomo.travaglini@arm.com// We must include this header at the end to make sure it can use the
79113481Sgiacomo.travaglini@arm.com// declarations from this file.
79213481Sgiacomo.travaglini@arm.com#include "gmock/internal/custom/gmock-generated-actions.h"
79313481Sgiacomo.travaglini@arm.com
79413481Sgiacomo.travaglini@arm.com#endif  // GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_ACTIONS_H_
795