Merge remote-tracking branch 'origin/master' into feature/min_max
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commit
ed5fa91e64
source/tanya
@ -18,6 +18,7 @@
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*/
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module tanya.meta.transform;
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import tanya.meta.metafunction;
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import tanya.meta.trait;
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/**
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@ -717,3 +718,186 @@ if (isExpressions!T || __traits(isTemplate, T))
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static assert(is(TypeOf!true == bool));
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static assert(!is(TypeOf!(tanya.meta)));
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}
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// e.g. returns int for int**.
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private template FinalPointerTarget(T)
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{
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static if (isPointer!T)
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{
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alias FinalPointerTarget = FinalPointerTarget!(PointerTarget!T);
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}
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else
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{
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alias FinalPointerTarget = T;
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}
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}
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// Returns true if T1 is void* and T2 is some pointer.
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private template voidAndPointer(T1, T2)
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{
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enum bool voidAndPointer = is(Unqual!(PointerTarget!T1) == void)
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&& isPointer!T2;
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}
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// Type returned by the ternary operator.
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private alias TernaryType(T, U) = typeof(true ? T.init : U.init);
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/**
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* Determines the type all $(D_PARAM Args) can be implicitly converted to.
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*
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* $(OL
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* $(LI If one of the arguments is $(D_KEYWORD void), the common type is
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* $(D_KEYWORD void).)
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* $(LI The common type of integers with the same sign is the type with a
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* larger size. Signed and unsigned integers don't have a common type.
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* Type qualifiers are only preserved if all arguments are the same
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* type.)
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* $(LI The common type of floating point numbers is the type with more
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* precision. Type qualifiers are only preserved if all arguments are
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* the same type.)
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* $(LI The common type of polymorphic objects is the next, more generic type
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* both objects inherit from, e.g. $(D_PSYMBOL Object).)
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* $(LI `void*` is concerned as a common type of pointers only if one of the
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* arguments is a void pointer.)
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* $(LI Other types have a common type only if their pointers have a common
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* type. It means that for example $(D_KEYWORD bool) and $(D_KEYWORD int)
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don't have a common type. If the types fullfill this condition, the
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common type is determined with the ternary operator, i.e.
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`typeof(true ? T1.init : T2.init)` is evaluated.)
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* )
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*
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* If $(D_PARAM Args) don't have a common type, $(D_PSYMBOL CommonType) is
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* $(D_KEYWORD void).
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*
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* Params:
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* Args = Type list.
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*
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* Returns: Common type for $(D_PARAM Args) or $(D_KEYWORD void) if
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* $(D_PARAM Args) don't have a common type.
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*/
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template CommonType(Args...)
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if (allSatisfy!(isType, Args))
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{
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static if (Args.length == 0
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|| is(Unqual!(Args[0]) == void)
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|| is(Unqual!(Args[1]) == void))
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{
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alias CommonType = void;
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}
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else static if (Args.length == 1)
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{
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alias CommonType = Args[0];
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}
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else
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{
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private alias Pair = Args[0 .. 2];
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private enum bool sameSigned = allSatisfy!(isIntegral, Pair)
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&& isSigned!(Args[0]) == isSigned!(Args[1]);
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static if (is(Args[0] == Args[1]))
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{
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alias CommonType = CommonType!(Args[0], Args[2 .. $]);
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}
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else static if (sameSigned || allSatisfy!(isFloatingPoint, Pair))
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{
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alias CommonType = CommonType!(Unqual!(Largest!Pair),
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Args[2 .. $]);
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}
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else static if (voidAndPointer!Pair
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|| voidAndPointer!(Args[1], Args[0]))
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{
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// Workaround for https://issues.dlang.org/show_bug.cgi?id=15557.
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// Determine the qualifiers returned by the ternary operator as if
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// both pointers were int*. Then copy the qualifiers to void*.
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alias P1 = CopyTypeQualifiers!(FinalPointerTarget!(Args[0]), int)*;
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alias P2 = CopyTypeQualifiers!(FinalPointerTarget!(Args[1]), int)*;
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static if (is(TernaryType!(P1, P2) U))
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{
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alias CommonType = CopyTypeQualifiers!(PointerTarget!U, void)*;
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}
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else
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{
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alias CommonType = void;
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}
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}
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else static if ((isPointer!(Args[0]) || isPolymorphicType!(Args[0]))
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&& is(TernaryType!Pair U))
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{
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alias CommonType = CommonType!(U, Args[2 .. $]);
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}
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else static if (is(TernaryType!(Args[0]*, Args[1]*)))
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{
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alias CommonType = CommonType!(TernaryType!Pair, Args[2 .. $]);
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}
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else
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{
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alias CommonType = void;
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}
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}
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}
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///
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@nogc nothrow pure @safe unittest
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{
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static assert(is(CommonType!(int, int, int) == int));
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static assert(is(CommonType!(ubyte, ushort, uint) == uint));
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static assert(is(CommonType!(int, uint) == void));
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static assert(is(CommonType!(int, const int) == int));
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static assert(is(CommonType!(const int, const int) == const int));
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static assert(is(CommonType!(int[], const(int)[]) == const(int)[]));
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static assert(is(CommonType!(string, char[]) == const(char)[]));
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class A
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{
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}
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static assert(is(CommonType!(const A, Object) == const Object));
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}
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@nogc nothrow pure @safe unittest
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{
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static assert(is(CommonType!(void*, int*) == void*));
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static assert(is(CommonType!(void*, const(int)*) == const(void)*));
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static assert(is(CommonType!(void*, const(void)*) == const(void)*));
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static assert(is(CommonType!(int*, void*) == void*));
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static assert(is(CommonType!(const(int)*, void*) == const(void)*));
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static assert(is(CommonType!(const(void)*, void*) == const(void)*));
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static assert(is(CommonType!() == void));
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static assert(is(CommonType!(int*, const(int)*) == const(int)*));
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static assert(is(CommonType!(int**, const(int)**) == const(int*)*));
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static assert(is(CommonType!(float, double) == double));
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static assert(is(CommonType!(float, int) == void));
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static assert(is(CommonType!(bool, const bool) == bool));
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static assert(is(CommonType!(int, bool) == void));
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static assert(is(CommonType!(int, void) == void));
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static assert(is(CommonType!(Object, void*) == void));
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class A
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{
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}
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static assert(is(CommonType!(A, Object) == Object));
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static assert(is(CommonType!(const(A)*, Object*) == const(Object)*));
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static assert(is(CommonType!(A, typeof(null)) == A));
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class B : A
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{
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}
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class C : A
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{
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}
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static assert(is(CommonType!(B, C) == A));
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static struct S
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{
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int opCast(T : int)()
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{
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return 1;
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}
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}
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static assert(is(CommonType!(S, int) == void));
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static assert(is(CommonType!(const S, S) == const S));
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}
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@ -21,6 +21,7 @@ public import std.socket : SocketOption, SocketOptionLevel;
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import std.traits;
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import std.typecons;
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import tanya.memory;
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import tanya.os.error;
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/// Value returned by socket operations on error.
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enum int socketError = -1;
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@ -44,10 +45,8 @@ version (Posix)
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}
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else version (Windows)
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{
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import core.sys.windows.winbase : ERROR_IO_INCOMPLETE,
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ERROR_IO_PENDING,
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GetModuleHandle,
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GetProcAddress;
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import core.sys.windows.winbase;
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import core.sys.windows.winerror;
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import core.sys.windows.winsock2 : accept,
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addrinfo,
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bind,
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@ -581,9 +580,7 @@ enum AddressFamily : int
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inet6 = 10, /// IP version 6.
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}
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/**
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* Error codes for $(D_PSYMBOL Socket).
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*/
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deprecated("Use tanya.os.error.ErrorCode.ErrorNo instead")
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enum SocketError : int
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{
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/// Unknown error.
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@ -621,7 +618,7 @@ enum SocketError : int
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*/
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class SocketException : Exception
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{
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const SocketError error = SocketError.unknown;
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const ErrorCode.ErrorNo error = ErrorCode.ErrorNo.success;
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/**
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* Params:
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@ -637,7 +634,7 @@ class SocketException : Exception
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{
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super(msg, file, line, next);
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foreach (member; EnumMembers!SocketError)
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foreach (member; EnumMembers!(ErrorCode.ErrorNo))
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{
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if (member == lastError)
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{
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@ -647,24 +644,24 @@ class SocketException : Exception
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}
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if (lastError == ENOMEM)
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{
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error = SocketError.noBufferSpaceAvailable;
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error = ErrorCode.ErrorNo.noBufferSpace;
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}
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else if (lastError == EMFILE)
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{
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error = SocketError.tooManyOpenSockets;
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error = ErrorCode.ErrorNo.tooManyDescriptors;
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}
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else version (linux)
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{
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if (lastError == ENOSR)
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{
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error = SocketError.networkDown;
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error = ErrorCode.ErrorNo.networkDown;
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}
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}
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else version (Posix)
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{
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if (lastError == EPROTO)
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{
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error = SocketError.networkDown;
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error = ErrorCode.ErrorNo.networkDown;
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}
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}
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}
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* Source: $(LINK2 https://github.com/caraus-ecms/tanya/blob/master/source/tanya/sys/windows/error.d,
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* tanya/sys/windows/error.d)
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*/
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deprecated("Use core.sys.windows.winerror instead")
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module tanya.sys.windows.error;
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version (Windows):
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