Move Callback-related generated actions to a custom/ file.

include/gmock/gmock-generated-actions.h.pump

@@ -80,60 +80,6 @@ class InvokeHelper<R, ::testing::tuple<$as> > {
 
 
 ]]
-// CallableHelper has static methods for invoking "callables",
-// i.e. function pointers and functors.  It uses overloading to
-// provide a uniform interface for invoking different kinds of
-// callables.  In particular, you can use:
-//
-//   CallableHelper<R>::Call(callable, a1, a2, ..., an)
-//
-// to invoke an n-ary callable, where R is its return type.  If an
-// argument, say a2, needs to be passed by reference, you should write
-// ByRef(a2) instead of a2 in the above expression.
-template <typename R>
-class CallableHelper {
- public:
-  // Calls a nullary callable.
-  template <typename Function>
-  static R Call(Function function) { return function(); }
-
-  // Calls a unary callable.
-
-  // We deliberately pass a1 by value instead of const reference here
-  // in case it is a C-string literal.  If we had declared the
-  // parameter as 'const A1& a1' and write Call(function, "Hi"), the
-  // compiler would've thought A1 is 'char[3]', which causes trouble
-  // when you need to copy a value of type A1.  By declaring the
-  // parameter as 'A1 a1', the compiler will correctly infer that A1
-  // is 'const char*' when it sees Call(function, "Hi").
-  //
-  // Since this function is defined inline, the compiler can get rid
-  // of the copying of the arguments.  Therefore the performance won't
-  // be hurt.
-  template <typename Function, typename A1>
-  static R Call(Function function, A1 a1) { return function(a1); }
-
-$range i 2..n
-$for i
-[[
-$var arity = [[$if i==2 [[binary]] $elif i==3 [[ternary]] $else [[$i-ary]]]]
-
-  // Calls a $arity callable.
-
-$range j 1..i
-$var typename_As = [[$for j, [[typename A$j]]]]
-$var Aas = [[$for j, [[A$j a$j]]]]
-$var as = [[$for j, [[a$j]]]]
-$var typename_Ts = [[$for j, [[typename T$j]]]]
-$var Ts = [[$for j, [[T$j]]]]
-  template <typename Function, $typename_As>
-  static R Call(Function function, $Aas) {
-    return function($as);
-  }
-
-]]
-};  // class CallableHelper
-
 // An INTERNAL macro for extracting the type of a tuple field.  It's
 // subject to change without notice - DO NOT USE IN USER CODE!
 #define GMOCK_FIELD_(Tuple, N) \
@@ -734,6 +680,7 @@ $$    // show up in the generated code.
 
 namespace testing {
 
+
 // The ACTION*() macros trigger warning C4100 (unreferenced formal
 // parameter) in MSVC with -W4.  Unfortunately they cannot be fixed in
 // the macro definition, as the warnings are generated when the macro
@@ -774,6 +721,32 @@ namespace testing {
 //   InvokeArgument action from temporary values and have it performed
 //   later.
 
+namespace internal {
+namespace invoke_argument {
+
+// Appears in InvokeArgumentAdl's argument list to help avoid
+// accidental calls to user functions of the same name.
+struct AdlTag {};
+
+// InvokeArgumentAdl - a helper for InvokeArgument.
+// The basic overloads are provided here for generic functors.
+// Overloads for other custom-callables are provided in the
+// internal/custom/callback-actions.h header.
+
+$range i 0..n
+$for i
+[[
+$range j 1..i
+
+template <typename R, typename F[[$for j [[, typename A$j]]]]>
+R InvokeArgumentAdl(AdlTag, F f[[$for j [[, A$j a$j]]]]) {
+  return f([[$for j, [[a$j]]]]);
+}
+]]
+
+}  // namespace invoke_argument
+}  // namespace internal
+
 $range i 0..n
 $for i [[
 $range j 0..i-1
@@ -781,7 +754,9 @@ $range j 0..i-1
 ACTION_TEMPLATE(InvokeArgument,
                 HAS_1_TEMPLATE_PARAMS(int, k),
                 AND_$i[[]]_VALUE_PARAMS($for j, [[p$j]])) {
-  return internal::CallableHelper<return_type>::Call(
+  using internal::invoke_argument::InvokeArgumentAdl;
+  return InvokeArgumentAdl<return_type>(
+      internal::invoke_argument::AdlTag(),
       ::testing::get<k>(args)$for j [[, p$j]]);
 }
 
@@ -811,4 +786,9 @@ ACTION_TEMPLATE(ReturnNew,
 
 }  // namespace testing
 
+// Include any custom callback actions added by the local installation.
+// We must include this header at the end to make sure it can use the
+// declarations from this file.
+#include "gmock/internal/custom/callback-actions.h"
+
 #endif  // GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_ACTIONS_H_