Remove resizeArray alias
This commit is contained in:
@@ -8,7 +8,7 @@
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* Copyright: Eugene Wissner 2016.
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* License: $(LINK2 https://www.mozilla.org/en-US/MPL/2.0/,
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* Mozilla Public License, v. 2.0).
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* Authors: $(LINK2 mailto:belka@caraus.de, Eugene Wissner)
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* Authors: $(LINK2 mailto:info@caraus.de, Eugene Wissner)
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*/
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module tanya.math.random;
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@@ -27,20 +27,20 @@ enum maxGather = 128;
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*/
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class EntropyException : Exception
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{
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/**
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* Params:
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* msg = Message to output.
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* file = The file where the exception occurred.
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* line = The line number where the exception occurred.
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* next = The previous exception in the chain of exceptions, if any.
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*/
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this(string msg,
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string file = __FILE__,
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size_t line = __LINE__,
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Throwable next = null) pure @safe nothrow const @nogc
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{
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super(msg, file, line, next);
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}
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/**
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* Params:
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* msg = Message to output.
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* file = The file where the exception occurred.
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* line = The line number where the exception occurred.
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* next = The previous exception in the chain of exceptions, if any.
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*/
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this(string msg,
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string file = __FILE__,
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size_t line = __LINE__,
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Throwable next = null) pure @safe nothrow const @nogc
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{
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super(msg, file, line, next);
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}
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}
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/**
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@@ -48,103 +48,103 @@ class EntropyException : Exception
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*/
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abstract class EntropySource
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{
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/// Amount of already generated entropy.
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protected ushort size_;
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/// Amount of already generated entropy.
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protected ushort size_;
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/**
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* Returns: Minimum bytes required from the entropy source.
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*/
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@property immutable(ubyte) threshold() const @safe pure nothrow;
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/**
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* Returns: Minimum bytes required from the entropy source.
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*/
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@property immutable(ubyte) threshold() const @safe pure nothrow;
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/**
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* Returns: Whether this entropy source is strong.
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*/
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@property immutable(bool) strong() const @safe pure nothrow;
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/**
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* Returns: Whether this entropy source is strong.
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*/
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@property immutable(bool) strong() const @safe pure nothrow;
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/**
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* Returns: Amount of already generated entropy.
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*/
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@property ushort size() const @safe pure nothrow
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{
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return size_;
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}
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/**
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* Returns: Amount of already generated entropy.
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*/
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@property ushort size() const @safe pure nothrow
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{
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return size_;
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}
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/**
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* Params:
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* size = Amount of already generated entropy. Cannot be smaller than the
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* already set value.
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*/
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@property void size(ushort size) @safe pure nothrow
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{
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size_ = size;
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}
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/**
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* Params:
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* size = Amount of already generated entropy. Cannot be smaller than the
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* already set value.
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*/
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@property void size(ushort size) @safe pure nothrow
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{
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size_ = size;
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}
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/**
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* Poll the entropy source.
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*
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* Params:
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* output = Buffer to save the generate random sequence (the method will
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* to fill the buffer).
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*
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* Returns: Number of bytes that were copied to the $(D_PARAM output)
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* or $(D_PSYMBOL Nullable!ubyte.init) on error.
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*/
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Nullable!ubyte poll(out ubyte[maxGather] output);
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/**
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* Poll the entropy source.
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*
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* Params:
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* output = Buffer to save the generate random sequence (the method will
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* to fill the buffer).
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*
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* Returns: Number of bytes that were copied to the $(D_PARAM output)
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* or $(D_PSYMBOL Nullable!ubyte.init) on error.
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*/
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Nullable!ubyte poll(out ubyte[maxGather] output);
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}
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version (linux)
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{
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extern (C) long syscall(long number, ...) nothrow;
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extern (C) long syscall(long number, ...) nothrow;
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/**
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* Uses getrandom system call.
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*/
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class PlatformEntropySource : EntropySource
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{
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/**
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* Returns: Minimum bytes required from the entropy source.
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*/
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override @property immutable(ubyte) threshold() const @safe pure nothrow
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{
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return 32;
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}
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/**
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* Uses getrandom system call.
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*/
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class PlatformEntropySource : EntropySource
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{
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/**
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* Returns: Minimum bytes required from the entropy source.
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*/
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override @property immutable(ubyte) threshold() const @safe pure nothrow
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{
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return 32;
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}
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/**
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* Returns: Whether this entropy source is strong.
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*/
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override @property immutable(bool) strong() const @safe pure nothrow
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{
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return true;
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}
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/**
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* Returns: Whether this entropy source is strong.
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*/
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override @property immutable(bool) strong() const @safe pure nothrow
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{
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return true;
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}
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/**
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* Poll the entropy source.
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*
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* Params:
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* output = Buffer to save the generate random sequence (the method will
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* to fill the buffer).
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*
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* Returns: Number of bytes that were copied to the $(D_PARAM output)
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* or $(D_PSYMBOL Nullable!ubyte.init) on error.
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*/
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override Nullable!ubyte poll(out ubyte[maxGather] output) nothrow
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out (length)
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{
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assert(length <= maxGather);
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}
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body
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{
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// int getrandom(void *buf, size_t buflen, unsigned int flags);
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auto length = syscall(318, output.ptr, output.length, 0);
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Nullable!ubyte ret;
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/**
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* Poll the entropy source.
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*
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* Params:
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* output = Buffer to save the generate random sequence (the method will
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* to fill the buffer).
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*
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* Returns: Number of bytes that were copied to the $(D_PARAM output)
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* or $(D_PSYMBOL Nullable!ubyte.init) on error.
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*/
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override Nullable!ubyte poll(out ubyte[maxGather] output) nothrow
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out (length)
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{
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assert(length <= maxGather);
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}
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body
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{
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// int getrandom(void *buf, size_t buflen, unsigned int flags);
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auto length = syscall(318, output.ptr, output.length, 0);
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Nullable!ubyte ret;
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if (length >= 0)
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{
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ret = cast(ubyte) length;
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}
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return ret;
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}
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}
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if (length >= 0)
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{
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ret = cast(ubyte) length;
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}
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return ret;
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}
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}
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}
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/**
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@@ -156,165 +156,165 @@ version (linux)
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*
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* output = entropy.random;
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*
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* defaultAllocator.finalize(entropy);
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* defaultAllocator.dispose(entropy);
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* ---
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*/
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class Entropy
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{
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/// Entropy sources.
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protected EntropySource[] sources;
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/// Entropy sources.
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protected EntropySource[] sources;
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private ubyte sourceCount_;
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private ubyte sourceCount_;
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private shared Allocator allocator;
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private shared Allocator allocator;
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/// Entropy accumulator.
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protected SHA!(maxGather * 8, 512) accumulator;
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/// Entropy accumulator.
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protected SHA!(maxGather * 8, 512) accumulator;
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/**
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* Params:
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* maxSources = Maximum amount of entropy sources can be set.
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* allocator = Allocator to allocate entropy sources available on the
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* system.
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*/
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this(size_t maxSources = 20, shared Allocator allocator = defaultAllocator)
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in
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{
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assert(maxSources > 0 && maxSources <= ubyte.max);
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assert(allocator !is null);
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}
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body
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{
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allocator.resizeArray(sources, maxSources);
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/**
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* Params:
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* maxSources = Maximum amount of entropy sources can be set.
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* allocator = Allocator to allocate entropy sources available on the
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* system.
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*/
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this(size_t maxSources = 20, shared Allocator allocator = defaultAllocator)
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in
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{
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assert(maxSources > 0 && maxSources <= ubyte.max);
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assert(allocator !is null);
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}
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body
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{
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allocator.resize(sources, maxSources);
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version (linux)
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{
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this ~= allocator.make!PlatformEntropySource;
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}
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}
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version (linux)
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{
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this ~= allocator.make!PlatformEntropySource;
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}
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}
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/**
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* Returns: Amount of the registered entropy sources.
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*/
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@property ubyte sourceCount() const @safe pure nothrow
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{
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return sourceCount_;
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}
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/**
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* Returns: Amount of the registered entropy sources.
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*/
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@property ubyte sourceCount() const @safe pure nothrow
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{
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return sourceCount_;
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}
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/**
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* Add an entropy source.
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*
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* Params:
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* source = Entropy source.
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*
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* Returns: $(D_PSYMBOL this).
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*
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* See_Also:
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* $(D_PSYMBOL EntropySource)
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*/
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Entropy opOpAssign(string Op)(EntropySource source) @safe pure nothrow
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if (Op == "~")
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in
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{
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assert(sourceCount_ <= sources.length);
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}
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body
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{
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sources[sourceCount_++] = source;
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return this;
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}
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/**
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* Add an entropy source.
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*
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* Params:
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* source = Entropy source.
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*
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* Returns: $(D_PSYMBOL this).
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*
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* See_Also:
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* $(D_PSYMBOL EntropySource)
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*/
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Entropy opOpAssign(string Op)(EntropySource source) @safe pure nothrow
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if (Op == "~")
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in
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{
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assert(sourceCount_ <= sources.length);
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}
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body
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{
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sources[sourceCount_++] = source;
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return this;
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}
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/**
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* Returns: Generated random sequence.
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*
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* Throws: $(D_PSYMBOL EntropyException) if no strong entropy source was
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* registered or it failed.
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*/
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@property ubyte[blockSize] random()
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in
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{
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assert(sourceCount_ > 0, "No entropy sources defined.");
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}
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body
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{
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bool haveStrong;
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ushort done;
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ubyte[blockSize] output;
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/**
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* Returns: Generated random sequence.
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*
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* Throws: $(D_PSYMBOL EntropyException) if no strong entropy source was
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* registered or it failed.
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*/
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@property ubyte[blockSize] random()
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in
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{
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assert(sourceCount_ > 0, "No entropy sources defined.");
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}
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body
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{
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bool haveStrong;
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ushort done;
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ubyte[blockSize] output;
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do
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{
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ubyte[maxGather] buffer;
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do
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{
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ubyte[maxGather] buffer;
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// Run through our entropy sources
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for (ubyte i; i < sourceCount; ++i)
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{
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auto outputLength = sources[i].poll(buffer);
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// Run through our entropy sources
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for (ubyte i; i < sourceCount; ++i)
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{
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auto outputLength = sources[i].poll(buffer);
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if (!outputLength.isNull)
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{
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if (outputLength > 0)
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{
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update(i, buffer, outputLength);
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sources[i].size = cast(ushort) (sources[i].size + outputLength);
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}
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if (sources[i].size < sources[i].threshold)
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{
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continue;
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}
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else if (sources[i].strong)
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{
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haveStrong = true;
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}
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}
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done = 257;
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}
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}
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while (++done < 256);
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if (!outputLength.isNull)
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{
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if (outputLength > 0)
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{
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update(i, buffer, outputLength);
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sources[i].size = cast(ushort) (sources[i].size + outputLength);
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}
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if (sources[i].size < sources[i].threshold)
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{
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continue;
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}
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else if (sources[i].strong)
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{
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haveStrong = true;
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}
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}
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done = 257;
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}
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}
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while (++done < 256);
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if (!haveStrong)
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{
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throw allocator.make!EntropyException("No strong entropy source defined.");
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}
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if (!haveStrong)
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{
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throw allocator.make!EntropyException("No strong entropy source defined.");
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}
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output = accumulator.finish();
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output = accumulator.finish();
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// Reset accumulator and counters and recycle existing entropy
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accumulator.start();
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// Reset accumulator and counters and recycle existing entropy
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accumulator.start();
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// Perform second SHA-512 on entropy
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output = sha512Of(output);
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// Perform second SHA-512 on entropy
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output = sha512Of(output);
|
||||
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for (ubyte i = 0; i < sourceCount; ++i)
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{
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sources[i].size = 0;
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}
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return output;
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||||
}
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||||
for (ubyte i = 0; i < sourceCount; ++i)
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||||
{
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||||
sources[i].size = 0;
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||||
}
|
||||
return output;
|
||||
}
|
||||
|
||||
/**
|
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* Update entropy accumulator.
|
||||
*
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||||
* Params:
|
||||
* sourceId = Entropy source index in $(D_PSYMBOL sources).
|
||||
* data = Data got from the entropy source.
|
||||
* length = Length of the received data.
|
||||
*/
|
||||
protected void update(in ubyte sourceId,
|
||||
ref ubyte[maxGather] data,
|
||||
ubyte length) @safe pure nothrow
|
||||
{
|
||||
ubyte[2] header;
|
||||
/**
|
||||
* Update entropy accumulator.
|
||||
*
|
||||
* Params:
|
||||
* sourceId = Entropy source index in $(D_PSYMBOL sources).
|
||||
* data = Data got from the entropy source.
|
||||
* length = Length of the received data.
|
||||
*/
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||||
protected void update(in ubyte sourceId,
|
||||
ref ubyte[maxGather] data,
|
||||
ubyte length) @safe pure nothrow
|
||||
{
|
||||
ubyte[2] header;
|
||||
|
||||
if (length > blockSize)
|
||||
{
|
||||
data[0..64] = sha512Of(data);
|
||||
length = blockSize;
|
||||
}
|
||||
if (length > blockSize)
|
||||
{
|
||||
data[0..64] = sha512Of(data);
|
||||
length = blockSize;
|
||||
}
|
||||
|
||||
header[0] = sourceId;
|
||||
header[1] = length;
|
||||
header[0] = sourceId;
|
||||
header[1] = length;
|
||||
|
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accumulator.put(header);
|
||||
accumulator.put(data[0..length]);
|
||||
}
|
||||
accumulator.put(header);
|
||||
accumulator.put(data[0..length]);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -23,59 +23,61 @@ public import tanya.memory.allocator;
|
||||
*/
|
||||
mixin template DefaultAllocator()
|
||||
{
|
||||
/// Allocator.
|
||||
protected shared Allocator allocator_;
|
||||
/// Allocator.
|
||||
protected shared Allocator allocator_;
|
||||
|
||||
/**
|
||||
* Params:
|
||||
* allocator = The allocator should be used.
|
||||
*/
|
||||
this(shared Allocator allocator)
|
||||
in
|
||||
{
|
||||
assert(allocator !is null);
|
||||
}
|
||||
body
|
||||
{
|
||||
this.allocator_ = allocator;
|
||||
}
|
||||
/**
|
||||
* Params:
|
||||
* allocator = The allocator should be used.
|
||||
*
|
||||
* Precondition: $(D_INLINECODE allocator_ !is null)
|
||||
*/
|
||||
this(shared Allocator allocator)
|
||||
in
|
||||
{
|
||||
assert(allocator !is null);
|
||||
}
|
||||
body
|
||||
{
|
||||
this.allocator_ = allocator;
|
||||
}
|
||||
|
||||
/**
|
||||
* This property checks if the allocator was set in the constructor
|
||||
* and sets it to the default one, if not.
|
||||
*
|
||||
* Returns: Used allocator.
|
||||
*
|
||||
* Postcondition: $(D_INLINECODE allocator_ !is null)
|
||||
*/
|
||||
protected @property shared(Allocator) allocator() nothrow @safe @nogc
|
||||
out (allocator)
|
||||
{
|
||||
assert(allocator !is null);
|
||||
}
|
||||
body
|
||||
{
|
||||
if (allocator_ is null)
|
||||
{
|
||||
allocator_ = defaultAllocator;
|
||||
}
|
||||
return allocator_;
|
||||
}
|
||||
/**
|
||||
* This property checks if the allocator was set in the constructor
|
||||
* and sets it to the default one, if not.
|
||||
*
|
||||
* Returns: Used allocator.
|
||||
*
|
||||
* Postcondition: $(D_INLINECODE allocator !is null)
|
||||
*/
|
||||
protected @property shared(Allocator) allocator() nothrow @safe @nogc
|
||||
out (allocator)
|
||||
{
|
||||
assert(allocator !is null);
|
||||
}
|
||||
body
|
||||
{
|
||||
if (allocator_ is null)
|
||||
{
|
||||
allocator_ = defaultAllocator;
|
||||
}
|
||||
return allocator_;
|
||||
}
|
||||
|
||||
/// Ditto.
|
||||
@property shared(Allocator) allocator() const nothrow @trusted @nogc
|
||||
out (allocator)
|
||||
{
|
||||
assert(allocator !is null);
|
||||
}
|
||||
body
|
||||
{
|
||||
if (allocator_ is null)
|
||||
{
|
||||
return defaultAllocator;
|
||||
}
|
||||
return cast(shared Allocator) allocator_;
|
||||
}
|
||||
/// Ditto.
|
||||
@property shared(Allocator) allocator() const nothrow @trusted @nogc
|
||||
out (allocator)
|
||||
{
|
||||
assert(allocator !is null);
|
||||
}
|
||||
body
|
||||
{
|
||||
if (allocator_ is null)
|
||||
{
|
||||
return defaultAllocator;
|
||||
}
|
||||
return cast(shared Allocator) allocator_;
|
||||
}
|
||||
}
|
||||
|
||||
// From druntime
|
||||
@@ -85,28 +87,28 @@ shared Allocator allocator;
|
||||
|
||||
shared static this() nothrow @trusted @nogc
|
||||
{
|
||||
import tanya.memory.mmappool;
|
||||
allocator = MmapPool.instance;
|
||||
import tanya.memory.mmappool;
|
||||
allocator = MmapPool.instance;
|
||||
}
|
||||
|
||||
@property ref shared(Allocator) defaultAllocator() nothrow @safe @nogc
|
||||
out (allocator)
|
||||
{
|
||||
assert(allocator !is null);
|
||||
assert(allocator !is null);
|
||||
}
|
||||
body
|
||||
{
|
||||
return allocator;
|
||||
return allocator;
|
||||
}
|
||||
|
||||
@property void defaultAllocator(shared(Allocator) allocator) nothrow @safe @nogc
|
||||
in
|
||||
{
|
||||
assert(allocator !is null);
|
||||
assert(allocator !is null);
|
||||
}
|
||||
body
|
||||
{
|
||||
.allocator = allocator;
|
||||
.allocator = allocator;
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -114,101 +116,92 @@ body
|
||||
* object of type $(D_PARAM T).
|
||||
*
|
||||
* Params:
|
||||
* T = Object type.
|
||||
* T = Object type.
|
||||
*/
|
||||
template stateSize(T)
|
||||
{
|
||||
static if (is(T == class) || is(T == interface))
|
||||
{
|
||||
enum stateSize = __traits(classInstanceSize, T);
|
||||
}
|
||||
else
|
||||
{
|
||||
enum stateSize = T.sizeof;
|
||||
}
|
||||
static if (is(T == class) || is(T == interface))
|
||||
{
|
||||
enum stateSize = __traits(classInstanceSize, T);
|
||||
}
|
||||
else
|
||||
{
|
||||
enum stateSize = T.sizeof;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Params:
|
||||
* size = Raw size.
|
||||
* alignment = Alignment.
|
||||
* size = Raw size.
|
||||
* alignment = Alignment.
|
||||
*
|
||||
* Returns: Aligned size.
|
||||
*/
|
||||
size_t alignedSize(in size_t size, in size_t alignment = 8) pure nothrow @safe @nogc
|
||||
{
|
||||
return (size - 1) / alignment * alignment + alignment;
|
||||
return (size - 1) / alignment * alignment + alignment;
|
||||
}
|
||||
|
||||
/**
|
||||
* Internal function used to create, resize or destroy a dynamic array. It
|
||||
* throws $(D_PSYMBOL OutOfMemoryError) if $(D_PARAM Throws) is set. The new
|
||||
* may throw $(D_PSYMBOL OutOfMemoryError). The new
|
||||
* allocated part of the array is initialized only if $(D_PARAM Init)
|
||||
* is set. This function can be trusted only in the data structures that
|
||||
* can ensure that the array is allocated/rellocated/deallocated with the
|
||||
* same allocator.
|
||||
*
|
||||
* Params:
|
||||
* T = Element type of the array being created.
|
||||
* Init = If should be initialized.
|
||||
* Throws = If $(D_PSYMBOL OutOfMemoryError) should be throwsn.
|
||||
* allocator = The allocator used for getting memory.
|
||||
* array = A reference to the array being changed.
|
||||
* length = New array length.
|
||||
* T = Element type of the array being created.
|
||||
* Init = If should be initialized.
|
||||
* allocator = The allocator used for getting memory.
|
||||
* array = A reference to the array being changed.
|
||||
* length = New array length.
|
||||
*
|
||||
* Returns: $(D_KEYWORD true) upon success, $(D_KEYWORD false) if memory could
|
||||
* not be reallocated. In the latter
|
||||
* Returns: $(D_PARAM array).
|
||||
*/
|
||||
package(tanya) bool resize(T,
|
||||
bool Init = true,
|
||||
bool Throws = true)
|
||||
(shared Allocator allocator,
|
||||
ref T[] array,
|
||||
in size_t length) @trusted
|
||||
package(tanya) T[] resize(T,
|
||||
bool Init = true)
|
||||
(shared Allocator allocator,
|
||||
auto ref T[] array,
|
||||
const size_t length) @trusted
|
||||
{
|
||||
void[] buf = array;
|
||||
static if (Init)
|
||||
{
|
||||
immutable oldLength = array.length;
|
||||
}
|
||||
if (!allocator.reallocate(buf, length * T.sizeof))
|
||||
{
|
||||
static if (Throws)
|
||||
{
|
||||
onOutOfMemoryError;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
// Casting from void[] is unsafe, but we know we cast to the original type.
|
||||
array = cast(T[]) buf;
|
||||
void[] buf = array;
|
||||
static if (Init)
|
||||
{
|
||||
const oldLength = array.length;
|
||||
}
|
||||
if (!allocator.reallocate(buf, length * T.sizeof))
|
||||
{
|
||||
onOutOfMemoryError;
|
||||
}
|
||||
// Casting from void[] is unsafe, but we know we cast to the original type.
|
||||
array = cast(T[]) buf;
|
||||
|
||||
static if (Init)
|
||||
{
|
||||
if (oldLength < length)
|
||||
{
|
||||
array[oldLength .. $] = T.init;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
static if (Init)
|
||||
{
|
||||
if (oldLength < length)
|
||||
{
|
||||
array[oldLength .. $] = T.init;
|
||||
}
|
||||
}
|
||||
return array;
|
||||
}
|
||||
package(tanya) alias resizeArray = resize;
|
||||
|
||||
///
|
||||
unittest
|
||||
private unittest
|
||||
{
|
||||
int[] p;
|
||||
int[] p;
|
||||
|
||||
defaultAllocator.resizeArray(p, 20);
|
||||
assert(p.length == 20);
|
||||
p = defaultAllocator.resize(p, 20);
|
||||
assert(p.length == 20);
|
||||
|
||||
defaultAllocator.resizeArray(p, 30);
|
||||
assert(p.length == 30);
|
||||
p = defaultAllocator.resize(p, 30);
|
||||
assert(p.length == 30);
|
||||
|
||||
defaultAllocator.resizeArray(p, 10);
|
||||
assert(p.length == 10);
|
||||
p = defaultAllocator.resize(p, 10);
|
||||
assert(p.length == 10);
|
||||
|
||||
defaultAllocator.resizeArray(p, 0);
|
||||
assert(p is null);
|
||||
p = defaultAllocator.resize(p, 0);
|
||||
assert(p is null);
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -217,101 +210,101 @@ unittest
|
||||
* allocator.
|
||||
*
|
||||
* Params:
|
||||
* T = Type of $(D_PARAM p).
|
||||
* allocator = Allocator the $(D_PARAM p) was allocated with.
|
||||
* p = Object or array to be destroyed.
|
||||
* T = Type of $(D_PARAM p).
|
||||
* allocator = Allocator the $(D_PARAM p) was allocated with.
|
||||
* p = Object or array to be destroyed.
|
||||
*/
|
||||
void dispose(T)(shared Allocator allocator, auto ref T* p)
|
||||
{
|
||||
static if (hasElaborateDestructor!T)
|
||||
{
|
||||
destroy(*p);
|
||||
}
|
||||
() @trusted { allocator.deallocate((cast(void*) p)[0 .. T.sizeof]); }();
|
||||
p = null;
|
||||
static if (hasElaborateDestructor!T)
|
||||
{
|
||||
destroy(*p);
|
||||
}
|
||||
() @trusted { allocator.deallocate((cast(void*) p)[0 .. T.sizeof]); }();
|
||||
p = null;
|
||||
}
|
||||
|
||||
/// Ditto.
|
||||
void dispose(T)(shared Allocator allocator, auto ref T p)
|
||||
if (is(T == class) || is(T == interface))
|
||||
if (is(T == class) || is(T == interface))
|
||||
{
|
||||
if (p is null)
|
||||
{
|
||||
return;
|
||||
}
|
||||
static if (is(T == interface))
|
||||
{
|
||||
version(Windows)
|
||||
{
|
||||
import core.sys.windows.unknwn : IUnknown;
|
||||
static assert(!is(T: IUnknown), "COM interfaces can't be destroyed in "
|
||||
~ __PRETTY_FUNCTION__);
|
||||
}
|
||||
auto ob = cast(Object) p;
|
||||
}
|
||||
else
|
||||
{
|
||||
alias ob = p;
|
||||
}
|
||||
auto ptr = cast(void *) ob;
|
||||
if (p is null)
|
||||
{
|
||||
return;
|
||||
}
|
||||
static if (is(T == interface))
|
||||
{
|
||||
version(Windows)
|
||||
{
|
||||
import core.sys.windows.unknwn : IUnknown;
|
||||
static assert(!is(T: IUnknown), "COM interfaces can't be destroyed in "
|
||||
~ __PRETTY_FUNCTION__);
|
||||
}
|
||||
auto ob = cast(Object) p;
|
||||
}
|
||||
else
|
||||
{
|
||||
alias ob = p;
|
||||
}
|
||||
auto ptr = cast(void *) ob;
|
||||
|
||||
auto support = ptr[0 .. typeid(ob).initializer.length];
|
||||
scope (success)
|
||||
{
|
||||
() @trusted { allocator.deallocate(support); }();
|
||||
p = null;
|
||||
}
|
||||
auto support = ptr[0 .. typeid(ob).initializer.length];
|
||||
scope (success)
|
||||
{
|
||||
() @trusted { allocator.deallocate(support); }();
|
||||
p = null;
|
||||
}
|
||||
|
||||
auto ppv = cast(void**) ptr;
|
||||
if (!*ppv)
|
||||
{
|
||||
return;
|
||||
}
|
||||
auto pc = cast(ClassInfo*) *ppv;
|
||||
scope (exit)
|
||||
{
|
||||
*ppv = null;
|
||||
}
|
||||
auto ppv = cast(void**) ptr;
|
||||
if (!*ppv)
|
||||
{
|
||||
return;
|
||||
}
|
||||
auto pc = cast(ClassInfo*) *ppv;
|
||||
scope (exit)
|
||||
{
|
||||
*ppv = null;
|
||||
}
|
||||
|
||||
auto c = *pc;
|
||||
do
|
||||
{
|
||||
// Assume the destructor is @nogc. Leave it nothrow since the destructor
|
||||
// shouldn't throw and if it does, it is an error anyway.
|
||||
if (c.destructor)
|
||||
{
|
||||
(cast(void function (Object) nothrow @safe @nogc) c.destructor)(ob);
|
||||
}
|
||||
}
|
||||
while ((c = c.base) !is null);
|
||||
auto c = *pc;
|
||||
do
|
||||
{
|
||||
// Assume the destructor is @nogc. Leave it nothrow since the destructor
|
||||
// shouldn't throw and if it does, it is an error anyway.
|
||||
if (c.destructor)
|
||||
{
|
||||
(cast(void function (Object) nothrow @safe @nogc) c.destructor)(ob);
|
||||
}
|
||||
}
|
||||
while ((c = c.base) !is null);
|
||||
|
||||
if (ppv[1]) // if monitor is not null
|
||||
{
|
||||
_d_monitordelete(cast(Object) ptr, true);
|
||||
}
|
||||
if (ppv[1]) // if monitor is not null
|
||||
{
|
||||
_d_monitordelete(cast(Object) ptr, true);
|
||||
}
|
||||
}
|
||||
|
||||
/// Ditto.
|
||||
void dispose(T)(shared Allocator allocator, auto ref T[] p)
|
||||
{
|
||||
static if (hasElaborateDestructor!(typeof(p[0])))
|
||||
{
|
||||
import std.algorithm.iteration;
|
||||
p.each!(e => destroy(e));
|
||||
}
|
||||
() @trusted { allocator.deallocate(p); }();
|
||||
p = null;
|
||||
static if (hasElaborateDestructor!(typeof(p[0])))
|
||||
{
|
||||
import std.algorithm.iteration;
|
||||
p.each!(e => destroy(e));
|
||||
}
|
||||
() @trusted { allocator.deallocate(p); }();
|
||||
p = null;
|
||||
}
|
||||
|
||||
unittest
|
||||
{
|
||||
struct S
|
||||
{
|
||||
~this()
|
||||
{
|
||||
}
|
||||
}
|
||||
auto p = cast(S[]) defaultAllocator.allocate(S.sizeof);
|
||||
struct S
|
||||
{
|
||||
~this()
|
||||
{
|
||||
}
|
||||
}
|
||||
auto p = cast(S[]) defaultAllocator.allocate(S.sizeof);
|
||||
|
||||
defaultAllocator.dispose(p);
|
||||
defaultAllocator.dispose(p);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user