HaxeFoundation.haxe/std/cpp/Stdlib.hx

/*
 * Copyright (C)2005-2019 Haxe Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

package cpp;

@:include("stdlib.h")
extern class Stdlib {
	@:native("malloc")
	static function nativeMalloc(bytes:Int):cpp.RawPointer<cpp.Void>;
	@:native("calloc")
	static function nativeCalloc(bytes:Int):cpp.RawPointer<cpp.Void>;
	@:native("realloc")
	static function nativeRealloc(inPtr:cpp.RawPointer<cpp.Void>, bytes:Int):cpp.RawPointer<cpp.Void>;
	@:native("free")
	static function nativeFree(ptr:cpp.RawPointer<cpp.Void>):Void;
	@:native("memcpy")
	static function nativeMemcpy(dest:cpp.RawPointer<cpp.Void>, src:cpp.RawConstPointer<cpp.Void>, bytes:Int):Void;

	@:native("::hx::ClassSizeOf") @:templatedCall
	static function sizeof<T>(t:T):Int;

	inline static function memcpy<DEST, SRC>(dest:cpp.Pointer<DEST>, src:cpp.ConstPointer<SRC>, bytes:Int):Void
		nativeMemcpy(cast dest.ptr, cast src.ptr, bytes);

	inline static function malloc<T>(bytes:Int):cpp.Pointer<T>
		return cast nativeMalloc(bytes);

	inline static function calloc<T>(bytes:Int):cpp.Pointer<T>
		return cast nativeCalloc(bytes);

	inline static function realloc<T>(ioPtr:cpp.Pointer<T>, bytes:Int):Void
		ioPtr.setRaw(nativeRealloc(cast ioPtr.ptr, bytes));

	inline static function free<T>(ptr:cpp.Pointer<T>):Void {
		if (ptr != null) {
			nativeFree(cast ptr.ptr);
			ptr.ptr = null;
		}
	}
}