void TypeInfoTypedefDeclaration::llvmDefine()
{
Logger::println("TypeInfoTypedefDeclaration::llvmDefine() %s", toChars());
LOG_SCOPE;
RTTIBuilder b(Type::typeinfotypedef);
assert(tinfo->ty == Ttypedef);
TypeTypedef *tc = static_cast<TypeTypedef *>(tinfo);
TypedefDeclaration *sd = tc->sym;
// TypeInfo base
sd->basetype = sd->basetype->merge(); // dmd does it ... why?
b.push_typeinfo(sd->basetype);
// char[] name
b.push_string(sd->toPrettyChars());
// void[] init
// emit null array if we should use the basetype, or if the basetype
// uses default initialization.
if (tinfo->isZeroInit(0) || !sd->init)
{
b.push_null_void_array();
}
// otherwise emit a void[] with the default initializer
else
{
LLConstant* C = DtoConstInitializer(sd->loc, sd->basetype, sd->init);
b.push_void_array(C, sd->basetype, sd);
}
// finish
b.finalize(ir.irGlobal);
}
void visit(TypeInfoTypedefDeclaration *d)
{
//printf("TypeInfoTypedefDeclaration::toDt() %s\n", toChars());
verifyStructSize(Type::typeinfotypedef, 7 * Target::ptrsize);
dtxoff(pdt, Type::typeinfotypedef->toVtblSymbol(), 0); // vtbl for TypeInfo_Typedef
dtsize_t(pdt, 0); // monitor
assert( d->tinfo->ty == Ttypedef);
TypeTypedef *tc = (TypeTypedef *)d->tinfo;
TypedefDeclaration *sd = tc->sym;
//printf("basetype = %s\n", sd->basetype->toChars());
/* Put out:
* TypeInfo base;
* char[] name;
* void[] m_init;
*/
sd->basetype = sd->basetype->merge();
sd->basetype->genTypeInfo(NULL); // generate vtinfo
assert(sd->basetype->vtinfo);
dtxoff(pdt, sd->basetype->vtinfo->toSymbol(), 0); // TypeInfo for basetype
const char *name = sd->toPrettyChars();
size_t namelen = strlen(name);
dtsize_t(pdt, namelen);
dtabytes(pdt, 0, namelen + 1, name);
// void[] init;
if (d->tinfo->isZeroInit() || !sd->init)
{
// 0 initializer, or the same as the base type
dtsize_t(pdt, 0); // init.length
dtsize_t(pdt, 0); // init.ptr
}
else
{
dtsize_t(pdt, sd->type->size()); // init.length
dtxoff(pdt, sd->toInitializer(), 0); // init.ptr
}
}
