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refactor!: use Finalizer to automatically free allocated memory for objects (#48)

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BREAKING CHANGE: signature change for remote and repository callbacks during repository clone operation.
This commit is contained in:
Aleksey Kulikov 2022-04-28 11:04:48 +03:00 • committed by GitHub
parent 94c40f9a94
commit a3213a88a2
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GPG key ID: 4AEE18F83AFDEB23
103 changed files with 2278 additions and 2595 deletions
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26
lib/src/index.dart
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@ -9,19 +9,20 @@ import 'package:libgit2dart/src/bindings/libgit2_bindings.dart';
class Index with IterableMixin<IndexEntry> {
/// Initializes a new instance of [Index] class from provided
/// pointer to index object in memory.
///
/// **IMPORTANT**: Should be freed to release allocated memory.
const Index(this._indexPointer);
Index(this._indexPointer) {
_finalizer.attach(this, _indexPointer, detach: this);
}
/// Creates an in-memory index object.
///
/// This index object cannot be read/written to the filesystem, but may be
/// used to perform in-memory index operations.
///
/// **IMPORTANT**: Should be freed to release allocated memory.
Index.newInMemory() : _indexPointer = bindings.newInMemory();
Index.newInMemory() {
_indexPointer = bindings.newInMemory();
_finalizer.attach(this, _indexPointer, detach: this);
}
final Pointer<git_index> _indexPointer;
late final Pointer<git_index> _indexPointer;
/// Pointer to memory address for allocated index object.
Pointer<git_index> get pointer => _indexPointer;
@ -300,7 +301,10 @@ class Index with IterableMixin<IndexEntry> {
bindings.removeAll(indexPointer: _indexPointer, pathspec: path);
/// Releases memory allocated for index object.
void free() => bindings.free(_indexPointer);
void free() {
bindings.free(_indexPointer);
_finalizer.detach(this);
}
@override
String toString() => 'Index{hasConflicts: $hasConflicts}';
@ -309,6 +313,12 @@ class Index with IterableMixin<IndexEntry> {
Iterator<IndexEntry> get iterator => _IndexIterator(_indexPointer);
}
// coverage:ignore-start
final _finalizer = Finalizer<Pointer<git_index>>(
(pointer) => bindings.free(pointer),
);
// coverage:ignore-end
class IndexEntry {
/// Initializes a new instance of [IndexEntry] class.
const IndexEntry(this._indexEntryPointer);