[Core] Use std type traits to check operations triviality.

(cherry picked from commit 6f02183f8c)
This commit is contained in:
Fabio Alessandrelli
2022-08-04 13:53:03 +02:00
committed by Rémi Verschelde
parent eb36a16b36
commit 1ee9c15baf
3 changed files with 19 additions and 14 deletions

View File

@ -32,6 +32,7 @@
#define COWDATA_H_
#include <string.h>
#include <type_traits>
#include "core/error_macros.h"
#include "core/os/memory.h"
@ -203,7 +204,7 @@ void CowData<T>::_unref(void *p_data) {
return; // still in use
// clean up
if (!__has_trivial_destructor(T)) {
if (!std::is_trivially_destructible<T>::value) {
uint32_t *count = _get_size();
T *data = (T *)(count + 1);
@ -238,7 +239,7 @@ uint32_t CowData<T>::_copy_on_write() {
T *_data = (T *)(mem_new);
// initialize new elements
if (__has_trivial_copy(T)) {
if (std::is_trivially_copyable<T>::value) {
memcpy(mem_new, _ptr, current_size * sizeof(T));
} else {
@ -302,7 +303,7 @@ Error CowData<T>::resize(int p_size) {
// construct the newly created elements
if (!__has_trivial_constructor(T)) {
if (!std::is_trivially_constructible<T>::value) {
T *elems = _get_data();
for (int i = *_get_size(); i < p_size; i++) {
@ -313,8 +314,7 @@ Error CowData<T>::resize(int p_size) {
*_get_size() = p_size;
} else if (p_size < current_size) {
if (!__has_trivial_destructor(T)) {
if (!std::is_trivially_destructible<T>::value) {
// deinitialize no longer needed elements
for (uint32_t i = p_size; i < *_get_size(); i++) {
T *t = &_get_data()[i];

View File

@ -37,6 +37,8 @@
#include "core/sort_array.h"
#include "core/vector.h"
#include <type_traits>
template <class T, class U = uint32_t, bool force_trivial = false>
class LocalVector {
private:
@ -64,7 +66,7 @@ public:
CRASH_COND_MSG(!data, "Out of memory");
}
if (!__has_trivial_constructor(T) && !force_trivial) {
if (!std::is_trivially_constructible<T>::value && !force_trivial) {
memnew_placement(&data[count++], T(p_elem));
} else {
data[count++] = p_elem;
@ -77,7 +79,7 @@ public:
for (U i = p_index; i < count; i++) {
data[i] = data[i + 1];
}
if (!__has_trivial_destructor(T) && !force_trivial) {
if (!std::is_trivially_destructible<T>::value && !force_trivial) {
data[count].~T();
}
}
@ -90,7 +92,7 @@ public:
if (count > p_index) {
data[p_index] = data[count];
}
if (!__has_trivial_destructor(T) && !force_trivial) {
if (!std::is_trivially_destructible<T>::value && !force_trivial) {
data[count].~T();
}
}
@ -130,7 +132,7 @@ public:
_FORCE_INLINE_ U size() const { return count; }
void resize(U p_size) {
if (p_size < count) {
if (!__has_trivial_destructor(T) && !force_trivial) {
if (!std::is_trivially_destructible<T>::value && !force_trivial) {
for (U i = p_size; i < count; i++) {
data[i].~T();
}
@ -147,7 +149,7 @@ public:
data = (T *)memrealloc(data, capacity * sizeof(T));
CRASH_COND_MSG(!data, "Out of memory");
}
if (!__has_trivial_constructor(T) && !force_trivial) {
if (!std::is_trivially_constructible<T>::value && !force_trivial) {
for (U i = count; i < p_size; i++) {
memnew_placement(&data[i], T);
}

View File

@ -35,6 +35,7 @@
#include "core/safe_refcount.h"
#include <stddef.h>
#include <type_traits>
#ifndef PAD_ALIGN
#define PAD_ALIGN 16 //must always be greater than this at much
@ -113,8 +114,9 @@ void memdelete(T *p_class) {
if (!predelete_handler(p_class))
return; // doesn't want to be deleted
if (!__has_trivial_destructor(T))
if (!std::is_trivially_destructible<T>::value) {
p_class->~T();
}
Memory::free_static(p_class, false);
}
@ -124,8 +126,9 @@ void memdelete_allocator(T *p_class) {
if (!predelete_handler(p_class))
return; // doesn't want to be deleted
if (!__has_trivial_destructor(T))
if (!std::is_trivially_destructible<T>::value) {
p_class->~T();
}
A::free(p_class);
}
@ -151,7 +154,7 @@ T *memnew_arr_template(size_t p_elements, const char *p_descr = "") {
ERR_FAIL_COND_V(!mem, failptr);
*(mem - 1) = p_elements;
if (!__has_trivial_constructor(T)) {
if (!std::is_trivially_constructible<T>::value) {
T *elems = (T *)mem;
/* call operator new */
@ -180,7 +183,7 @@ void memdelete_arr(T *p_class) {
uint64_t *ptr = (uint64_t *)p_class;
if (!__has_trivial_destructor(T)) {
if (!std::is_trivially_destructible<T>::value) {
uint64_t elem_count = *(ptr - 1);
for (uint64_t i = 0; i < elem_count; i++) {