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Implement static array -> static array cast. Fixes #223.

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dynamic array -> static array is still misssing!
This commit is contained in:
Christian Kamm 2009-04-12 16:18:02 +02:00
parent b8b9c41827
commit d251e5d1f4
1 changed files with 20 additions and 1 deletions
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21
gen/arrays.cpp
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@ -939,7 +939,26 @@ DValue* DtoCastArray(Loc& loc, DValue* u, Type* to)
else if (totype->ty == Tsarray) { else if (totype->ty == Tsarray) {
if (Logger::enabled()) if (Logger::enabled())
Logger::cout() << "to sarray" << '\n'; Logger::cout() << "to sarray" << '\n';
assert(0);
if (fromtype->ty == Tsarray) {
LLValue* uval = u->getRVal();
if (Logger::enabled())
Logger::cout() << "uvalTy = " << *uval->getType() << '\n';
assert(isaPointer(uval->getType()));
const LLArrayType* arrty = isaArray(uval->getType()->getContainedType(0));
if(arrty->getNumElements()*fromtype->nextOf()->size() % totype->nextOf()->size() != 0)
{
error(loc, "invalid cast from '%s' to '%s', the element sizes don't line up", fromtype->toChars(), totype->toChars());
fatal();
}
rval = DtoBitCast(uval, getPtrToType(tolltype));
}
else
assert(0 && "Cast to static array not implemented!");
} }
else if (totype->ty == Tbool) { else if (totype->ty == Tbool) {
// return (arr.ptr !is null) // return (arr.ptr !is null)