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fix #593

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This commit is contained in:
ThePhD 2018-02-21 02:02:18 -05:00
parent a56a890adf
commit 6c6c89132b
5 changed files with 90 additions and 18 deletions
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28
single/sol/sol.hpp
View File

@ -20,8 +20,8 @@
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// This file was generated with a script.
// Generated 2018-02-20 16:44:34.136549 UTC
// This header was generated with sol v2.19.0 (revision d7425db)
// Generated 2018-02-21 06:23:41.439083 UTC
// This header was generated with sol v2.19.0 (revision a56a890)
// https://github.com/ThePhD/sol2
#ifndef SOL_SINGLE_INCLUDE_HPP
@ -1749,6 +1749,16 @@ namespace sol {
return *std::forward<T>(item);
}
template <typename T, meta::disable<is_pointer_like<meta::unqualified_t<T>>, meta::neg<std::is_pointer<meta::unqualified_t<T>>>> = meta::enabler>
auto deref_non_pointer(T&& item) -> decltype(std::forward<T>(item)) {
return std::forward<T>(item);
}
template <typename T, meta::enable<is_pointer_like<meta::unqualified_t<T>>, meta::neg<std::is_pointer<meta::unqualified_t<T>>>> = meta::enabler>
inline auto deref_non_pointer(T&& item) -> decltype(*std::forward<T>(item)) {
return *std::forward<T>(item);
}
template <typename T>
inline T* ptr(T& val) {
return std::addressof(val);
@ -15813,7 +15823,7 @@ namespace sol {
typedef std::is_same<iterator_category, std::input_iterator_tag> is_input_iterator;
typedef std::conditional_t<is_input_iterator::value,
V,
decltype(detail::deref(std::declval<captured_type>()))
decltype(detail::deref_non_pointer(std::declval<captured_type>()))
> push_type;
typedef std::is_copy_assignable<V> is_copyable;
typedef meta::neg<meta::any<
@ -15849,11 +15859,11 @@ namespace sol {
static error_result get_associative(std::true_type, lua_State* L, iterator& it) {
auto& v = *it;
return stack::stack_detail::push_reference<push_type>(L, detail::deref(v.second));
return stack::stack_detail::push_reference<push_type>(L, detail::deref_non_pointer(v.second));
}
static error_result get_associative(std::false_type, lua_State* L, iterator& it) {
return stack::stack_detail::push_reference<push_type>(L, detail::deref(*it));
return stack::stack_detail::push_reference<push_type>(L, detail::deref_non_pointer(*it));
}
static error_result get_category(std::input_iterator_tag, lua_State* L, T& self, K& key) {
@ -16336,7 +16346,7 @@ namespace sol {
else {
p = stack::push_reference(L, it->first);
}
p += stack::stack_detail::push_reference<push_type>(L, detail::deref(it->second));
p += stack::stack_detail::push_reference<push_type>(L, detail::deref_non_pointer(it->second));
std::advance(it, 1);
return p;
}
@ -16352,7 +16362,7 @@ namespace sol {
}
int p;
p = stack::push_reference(L, k + 1);
p += stack::stack_detail::push_reference<push_type>(L, detail::deref(*it));
p += stack::stack_detail::push_reference<push_type>(L, detail::deref_non_pointer(*it));
std::advance(it, 1);
return p;
}
@ -16537,7 +16547,7 @@ namespace sol {
}
int p;
p = stack::push_reference(L, k + 1);
p += stack::push_reference(L, detail::deref(*it));
p += stack::push_reference(L, detail::deref_non_pointer(*it));
std::advance(it, 1);
return p;
}
@ -16566,7 +16576,7 @@ namespace sol {
if (idx >= static_cast<std::ptrdiff_t>(std::extent<T>::value) || idx < 0) {
return stack::push(L, lua_nil);
}
return stack::push_reference(L, detail::deref(self[idx]));
return stack::push_reference(L, detail::deref_non_pointer(self[idx]));
}
static int index_get(lua_State* L) {

4
single/sol/sol_forward.hpp
View File

@ -20,8 +20,8 @@
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// This file was generated with a script.
// Generated 2018-02-20 16:44:34.892145 UTC
// This header was generated with sol v2.19.0 (revision d7425db)
// Generated 2018-02-21 06:23:41.719118 UTC
// This header was generated with sol v2.19.0 (revision a56a890)
// https://github.com/ThePhD/sol2
#ifndef SOL_SINGLE_INCLUDE_FORWARD_HPP

14
sol/container_traits.hpp
View File

@ -532,7 +532,7 @@ namespace sol {
typedef std::is_same<iterator_category, std::input_iterator_tag> is_input_iterator;
typedef std::conditional_t<is_input_iterator::value,
V,
decltype(detail::deref(std::declval<captured_type>()))
decltype(detail::deref_non_pointer(std::declval<captured_type>()))
> push_type;
typedef std::is_copy_assignable<V> is_copyable;
typedef meta::neg<meta::any<
@ -568,11 +568,11 @@ namespace sol {
static error_result get_associative(std::true_type, lua_State* L, iterator& it) {
auto& v = *it;
return stack::stack_detail::push_reference<push_type>(L, detail::deref(v.second));
return stack::stack_detail::push_reference<push_type>(L, detail::deref_non_pointer(v.second));
}
static error_result get_associative(std::false_type, lua_State* L, iterator& it) {
return stack::stack_detail::push_reference<push_type>(L, detail::deref(*it));
return stack::stack_detail::push_reference<push_type>(L, detail::deref_non_pointer(*it));
}
static error_result get_category(std::input_iterator_tag, lua_State* L, T& self, K& key) {
@ -1055,7 +1055,7 @@ namespace sol {
else {
p = stack::push_reference(L, it->first);
}
p += stack::stack_detail::push_reference<push_type>(L, detail::deref(it->second));
p += stack::stack_detail::push_reference<push_type>(L, detail::deref_non_pointer(it->second));
std::advance(it, 1);
return p;
}
@ -1071,7 +1071,7 @@ namespace sol {
}
int p;
p = stack::push_reference(L, k + 1);
p += stack::stack_detail::push_reference<push_type>(L, detail::deref(*it));
p += stack::stack_detail::push_reference<push_type>(L, detail::deref_non_pointer(*it));
std::advance(it, 1);
return p;
}
@ -1256,7 +1256,7 @@ namespace sol {
}
int p;
p = stack::push_reference(L, k + 1);
p += stack::push_reference(L, detail::deref(*it));
p += stack::push_reference(L, detail::deref_non_pointer(*it));
std::advance(it, 1);
return p;
}
@ -1285,7 +1285,7 @@ namespace sol {
if (idx >= static_cast<std::ptrdiff_t>(std::extent<T>::value) || idx < 0) {
return stack::push(L, lua_nil);
}
return stack::push_reference(L, detail::deref(self[idx]));
return stack::push_reference(L, detail::deref_non_pointer(self[idx]));
}
static int index_get(lua_State* L) {

10
sol/traits.hpp
View File

@ -663,6 +663,16 @@ namespace sol {
return *std::forward<T>(item);
}
template <typename T, meta::disable<is_pointer_like<meta::unqualified_t<T>>, meta::neg<std::is_pointer<meta::unqualified_t<T>>>> = meta::enabler>
auto deref_non_pointer(T&& item) -> decltype(std::forward<T>(item)) {
return std::forward<T>(item);
}
template <typename T, meta::enable<is_pointer_like<meta::unqualified_t<T>>, meta::neg<std::is_pointer<meta::unqualified_t<T>>>> = meta::enabler>
inline auto deref_non_pointer(T&& item) -> decltype(*std::forward<T>(item)) {
return *std::forward<T>(item);
}
template <typename T>
inline T* ptr(T& val) {
return std::addressof(val);

52
tests/test_containers.cpp
View File

@ -1274,3 +1274,55 @@ TEST_CASE("containers/custom indexing", "allow containers to set a custom indexi
auto result3 = lua.safe_script("assert(c[-1] == nil)", sol::script_pass_on_error);
REQUIRE(result3.valid());
}
TEST_CASE("containers/containers of pointers", "containers of pointers shouldn't have their value_type's overly stripped") {
sol::state lua;
class MyContainer {
public:
typedef int** iterator;
typedef int* value_type;
std::vector<value_type> m_vec;
inline iterator begin() { return m_vec.data(); }
inline iterator end() { return m_vec.data() + m_vec.size(); }
inline void push_back(value_type v) { m_vec.push_back(v); }
};
int a = 500;
int b = 600;
MyContainer ctr;
ctr.push_back(&a);
ctr.push_back(&b);
lua["c"] = ctr;
{
auto result1 = lua.safe_script("ap = c[1]", sol::script_pass_on_error);
REQUIRE(result1.valid());
auto result2 = lua.safe_script("bp = c[2]", sol::script_pass_on_error);
REQUIRE(result2.valid());
int* ap = lua["ap"];
int* bp = lua["bp"];
REQUIRE(ap == &a);
REQUIRE(bp == &b);
REQUIRE(*ap == 500);
REQUIRE(*bp == 600);
}
std::unordered_map<int, int*> ptrs;
ptrs[5] = &a;
ptrs[6] = &b;
lua["c2"] = ptrs;
{
auto result1 = lua.safe_script("ap = c2[5]", sol::script_pass_on_error);
REQUIRE(result1.valid());
auto result2 = lua.safe_script("bp = c2[6]", sol::script_pass_on_error);
REQUIRE(result2.valid());
int* ap = lua["ap"];
int* bp = lua["bp"];
REQUIRE(ap == &a);
REQUIRE(bp == &b);
REQUIRE(*ap == 500);
REQUIRE(*bp == 600);
}
}