Mercurial > projects > ldc
diff druntime/src/compiler/ldc/ldc/vararg.d @ 759:d3eb054172f9
Added copy of druntime from DMD 2.020 modified for LDC.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Tue, 11 Nov 2008 01:52:37 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/druntime/src/compiler/ldc/ldc/vararg.d Tue Nov 11 01:52:37 2008 +0100 @@ -0,0 +1,43 @@ +/* + * This module holds the implementation of special vararg templates for D style var args. + * + * Provides the functions tango.core.Vararg expects to be present! + */ + +module ldc.Vararg; + +// Check for the right compiler +version(LDC) +{ + // OK +} +else +{ + static assert(false, "This module is only valid for LDC"); +} + +alias void* va_list; + +void va_start(T) ( out va_list ap, inout T parmn ) +{ + // not needed ! +} + +T va_arg(T)(ref va_list vp) +{ + T* arg = cast(T*) vp; + // ldc always aligns to size_t.sizeof in vararg lists + vp = cast(va_list) ( cast(void*) vp + ( ( T.sizeof + size_t.sizeof - 1 ) & ~( size_t.sizeof - 1 ) ) ); + return *arg; +} + +void va_end( va_list ap ) +{ + // not needed ! +} + +void va_copy( out va_list dst, va_list src ) +{ + // seems pretty useless ! + dst = src; +}