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Syntax error fixes parsing more elaborate parameter pack arguments

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that are function pointers and member function pointers.

  template <typename... V> struct VariadicParms {
    void ParmsFuncPtrPtr(int (*)(V*...)) {}
    void ParmsFuncPtrPtrRef(int (*)(V*&...)) {}
    void ParmsFuncPtrPtrRValueRef(int (*)(V*&&...)) {}
    void ParmsFuncPtrRef(int (*)(V&...)) {}
    void ParmsFuncPtrRValueRef(int (*)(V&&...)) {}

    void ParmsMemFuncPtrPtr(int (KlassMemFuncs::*)(V*...)) {}
    void ParmsMemFuncPtrPtrRef(int (KlassMemFuncs::*)(V*&...)) {}
    void ParmsMemFuncPtrPtrRValueRef(int (KlassMemFuncs::*)(V*&&...)) {}
    void ParmsMemFuncPtrRef(int (KlassMemFuncs::*)(V&...)) {}
    void ParmsMemFuncPtrRValueRef(int (KlassMemFuncs::*)(V&&...)) {}
  };

  %template(VariadicParms0) VariadicParms<>;
  %template(VariadicParms1) VariadicParms<A>;

  Also in various other places such as within noexcept specifiers:

    template<typename T, typename... Args>
    void emplace(Args &&... args) noexcept(
        std::is_nothrow_constructible<T, Args &&...>::value);

Issue #1863
This commit is contained in:
William S Fulton 2022-12-29 21:04:48 +00:00
commit 004af63f3c
3 changed files with 71 additions and 13 deletions
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30
Examples/test-suite/cpp11_variadic_templates.i
View file

@ -147,7 +147,6 @@ struct KlassMemFuncs {
int memfunc3() { return 3; }
};
template <typename... V> struct VariadicParms {
public:
void ParmsVal(V... vparms_v) {}
void ParmsPtr(V*... vparms_p) {}
void ParmsPtrRef(V*&... vparms_pr) {}
@ -157,9 +156,20 @@ public:
void ParmsConstRef(const V&... vparms_cr) {}
void ParmsFuncPtrVal(int (*)(V...)) {}
void ParmsFuncPtrPtr(int (*)(V*...)) {}
void ParmsFuncPtrPtrRef(int (*)(V*&...)) {}
void ParmsFuncPtrPtrRValueRef(int (*)(V*&&...)) {}
void ParmsFuncPtrRef(int (*)(V&...)) {}
void ParmsFuncPtrRValueRef(int (*)(V&&...)) {}
void ParmsFuncPtrConstRef(int (*)(const V&...)) {}
void ParmsMemFuncPtrVal(int (KlassMemFuncs::*)(V...)) {}
// TODO
// void ParmsFuncPtrRef(int (*)(V&...)) {}
void ParmsMemFuncPtrPtr(int (KlassMemFuncs::*)(V*...)) {}
void ParmsMemFuncPtrPtrRef(int (KlassMemFuncs::*)(V*&...)) {}
void ParmsMemFuncPtrPtrRValueRef(int (KlassMemFuncs::*)(V*&&...)) {}
void ParmsMemFuncPtrRef(int (KlassMemFuncs::*)(V&...)) {}
void ParmsMemFuncPtrRValueRef(int (KlassMemFuncs::*)(V&&...)) {}
void ParmsMemFuncPtrConstRef(int (KlassMemFuncs::*)(const V&...)) {}
};
%}
@ -209,3 +219,17 @@ template void Container::notifyMyTypes<>(void (tt)());
template void Container::notifyMyTypes<int>(void (tt)(int));
template void Container::notifyMyTypes<int, double>(void (tt)(int, double));
%}
// #1863
%inline %{
#include <type_traits>
class EmplaceContainer {
public:
template<typename T, typename... Args>
void emplace(Args &&... args) noexcept(
std::is_nothrow_constructible<T, Args &&...>::value) {}
};
%}
%template(emplace) EmplaceContainer::emplace<int,A>;
//%template(emplace) EmplaceContainer::emplace<int,A,B,C>;