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authorGravatar Abseil Team <absl-team@google.com>2018-08-21 08:05:11 -0700
committerGravatar Derek Mauro <dmauro@google.com>2018-08-21 14:07:46 -0400
commitfefc83638fb69395d259ed245699310610429064 (patch)
tree4dfe0ffa02d2f74320fe9361d522c693b2d97474 /absl
parentd8cfe9f2a77fbee02c09642491e62a3f3677e0f6 (diff)
Export of internal Abseil changes.
-- b01400905d2ba23ec9f4541153532eefcfb0d5f5 by Mark Barolak <mbar@google.com>: Tweak the comment for WebSafeBase64Unescape to make it match the style of the other comments in escaping.h. PiperOrigin-RevId: 209596034 -- dd35c55ee538ed458bb32494d87996d6624676df by Abseil Team <absl-team@google.com>: Migrate FixedArray from allocator pointers to references. Also updates the name to be more generic as nothing about the implementation was specific to FixedArray's StorageElement* PiperOrigin-RevId: 209438135 GitOrigin-RevId: b01400905d2ba23ec9f4541153532eefcfb0d5f5 Change-Id: I27304e4609708ec24fb19dce1e33215d7e4b5ae9
Diffstat (limited to 'absl')
-rw-r--r--absl/container/fixed_array.h21
-rw-r--r--absl/memory/memory.h56
-rw-r--r--absl/strings/escaping.h2
3 files changed, 41 insertions, 38 deletions
diff --git a/absl/container/fixed_array.h b/absl/container/fixed_array.h
index f480047a..d716380a 100644
--- a/absl/container/fixed_array.h
+++ b/absl/container/fixed_array.h
@@ -138,8 +138,8 @@ class FixedArray {
explicit FixedArray(size_type n, const allocator_type& a = allocator_type())
: storage_(n, a) {
if (DefaultConstructorIsNonTrivial()) {
- memory_internal::ConstructStorage(storage_.alloc(), storage_.begin(),
- storage_.end());
+ memory_internal::ConstructRange(storage_.alloc(), storage_.begin(),
+ storage_.end());
}
}
@@ -147,8 +147,8 @@ class FixedArray {
FixedArray(size_type n, const value_type& val,
const allocator_type& a = allocator_type())
: storage_(n, a) {
- memory_internal::ConstructStorage(storage_.alloc(), storage_.begin(),
- storage_.end(), val);
+ memory_internal::ConstructRange(storage_.alloc(), storage_.begin(),
+ storage_.end(), val);
}
// Creates an array initialized with the size and contents of `init_list`.
@@ -163,13 +163,12 @@ class FixedArray {
FixedArray(Iterator first, Iterator last,
const allocator_type& a = allocator_type())
: storage_(std::distance(first, last), a) {
- memory_internal::CopyToStorageFromRange(storage_.alloc(), storage_.begin(),
- first, last);
+ memory_internal::CopyRange(storage_.alloc(), storage_.begin(), first, last);
}
~FixedArray() noexcept {
for (auto* cur = storage_.begin(); cur != storage_.end(); ++cur) {
- AllocatorTraits::destroy(*storage_.alloc(), cur);
+ AllocatorTraits::destroy(storage_.alloc(), cur);
}
}
@@ -446,15 +445,15 @@ class FixedArray {
if (UsingInlinedStorage(size())) {
InlinedStorage::AnnotateDestruct(size());
} else {
- AllocatorTraits::deallocate(*alloc(), AsValueType(begin()), size());
+ AllocatorTraits::deallocate(alloc(), AsValueType(begin()), size());
}
}
size_type size() const { return size_alloc_.template get<0>(); }
StorageElement* begin() const { return data_; }
StorageElement* end() const { return begin() + size(); }
- allocator_type* alloc() {
- return std::addressof(size_alloc_.template get<1>());
+ allocator_type& alloc() {
+ return size_alloc_.template get<1>();
}
private:
@@ -468,7 +467,7 @@ class FixedArray {
return InlinedStorage::data();
} else {
return reinterpret_cast<StorageElement*>(
- AllocatorTraits::allocate(*alloc(), size()));
+ AllocatorTraits::allocate(alloc(), size()));
}
}
diff --git a/absl/memory/memory.h b/absl/memory/memory.h
index c7caf8b9..a80aab0a 100644
--- a/absl/memory/memory.h
+++ b/absl/memory/memory.h
@@ -641,55 +641,59 @@ struct default_allocator_is_nothrow : std::false_type {};
#endif
namespace memory_internal {
-#ifdef ABSL_HAVE_EXCEPTIONS
-template <typename Allocator, typename StorageElement, typename... Args>
-void ConstructStorage(Allocator* alloc, StorageElement* first,
- StorageElement* last, const Args&... args) {
- for (StorageElement* cur = first; cur != last; ++cur) {
+#ifdef ABSL_HAVE_EXCEPTIONS // ConstructRange
+template <typename Allocator, typename Iterator, typename... Args>
+void ConstructRange(Allocator& alloc, Iterator first, Iterator last,
+ const Args&... args) {
+ for (Iterator cur = first; cur != last; ++cur) {
try {
- std::allocator_traits<Allocator>::construct(*alloc, cur, args...);
+ std::allocator_traits<Allocator>::construct(alloc, cur, args...);
} catch (...) {
while (cur != first) {
--cur;
- std::allocator_traits<Allocator>::destroy(*alloc, cur);
+ std::allocator_traits<Allocator>::destroy(alloc, cur);
}
throw;
}
}
}
-template <typename Allocator, typename StorageElement, typename Iterator>
-void CopyToStorageFromRange(Allocator* alloc, StorageElement* destination,
- Iterator first, Iterator last) {
- for (StorageElement* cur = destination; first != last;
+#else // ABSL_HAVE_EXCEPTIONS // ConstructRange
+template <typename Allocator, typename Iterator, typename... Args>
+void ConstructRange(Allocator& alloc, Iterator first, Iterator last,
+ const Args&... args) {
+ for (; first != last; ++first) {
+ std::allocator_traits<Allocator>::construct(alloc, first, args...);
+ }
+}
+#endif // ABSL_HAVE_EXCEPTIONS // ConstructRange
+
+#ifdef ABSL_HAVE_EXCEPTIONS // CopyRange
+template <typename Allocator, typename Iterator, typename InputIterator>
+void CopyRange(Allocator& alloc, Iterator destination, InputIterator first,
+ InputIterator last) {
+ for (Iterator cur = destination; first != last;
static_cast<void>(++cur), static_cast<void>(++first)) {
try {
- std::allocator_traits<Allocator>::construct(*alloc, cur, *first);
+ std::allocator_traits<Allocator>::construct(alloc, cur, *first);
} catch (...) {
while (cur != destination) {
--cur;
- std::allocator_traits<Allocator>::destroy(*alloc, cur);
+ std::allocator_traits<Allocator>::destroy(alloc, cur);
}
throw;
}
}
}
-#else // ABSL_HAVE_EXCEPTIONS
-template <typename Allocator, typename StorageElement, typename... Args>
-void ConstructStorage(Allocator* alloc, StorageElement* first,
- StorageElement* last, const Args&... args) {
- for (; first != last; ++first) {
- std::allocator_traits<Allocator>::construct(*alloc, first, args...);
- }
-}
-template <typename Allocator, typename StorageElement, typename Iterator>
-void CopyToStorageFromRange(Allocator* alloc, StorageElement* destination,
- Iterator first, Iterator last) {
+#else // ABSL_HAVE_EXCEPTIONS // CopyRange
+template <typename Allocator, typename Iterator, typename InputIterator>
+void CopyRange(Allocator& alloc, Iterator destination, InputIterator first,
+ InputIterator last) {
for (; first != last;
static_cast<void>(++destination), static_cast<void>(++first)) {
- std::allocator_traits<Allocator>::construct(*alloc, destination, *first);
+ std::allocator_traits<Allocator>::construct(alloc, destination, *first);
}
}
-#endif // ABSL_HAVE_EXCEPTIONS
+#endif // ABSL_HAVE_EXCEPTIONS // CopyRange
} // namespace memory_internal
} // namespace absl
diff --git a/absl/strings/escaping.h b/absl/strings/escaping.h
index 7f1ab96d..5a13b1fb 100644
--- a/absl/strings/escaping.h
+++ b/absl/strings/escaping.h
@@ -124,7 +124,7 @@ std::string Utf8SafeCHexEscape(absl::string_view src);
// characters, `dest` is cleared and returns `false`.
bool Base64Unescape(absl::string_view src, std::string* dest);
-// WebSafeBase64Unescape(absl::string_view, std::string*)
+// WebSafeBase64Unescape()
//
// Converts a `src` std::string encoded in Base64 to its binary equivalent, writing
// it to a `dest` buffer, but using '-' instead of '+', and '_' instead of '/'.