LLType* DtoType(Type* t) { t = stripModifiers( t ); if (t->ctype) { return t->ctype->getLLType(); } IF_LOG Logger::println("Building type: %s", t->toChars()); LOG_SCOPE; assert(t); switch (t->ty) { // basic types case Tvoid: case Tint8: case Tuns8: case Tint16: case Tuns16: case Tint32: case Tuns32: case Tint64: case Tuns64: case Tint128: case Tuns128: case Tfloat32: case Tfloat64: case Tfloat80: case Timaginary32: case Timaginary64: case Timaginary80: case Tcomplex32: case Tcomplex64: case Tcomplex80: //case Tbit: case Tbool: case Tchar: case Twchar: case Tdchar: { return IrTypeBasic::get(t)->getLLType(); } // pointers case Tnull: case Tpointer: { return IrTypePointer::get(t)->getLLType(); } // arrays case Tarray: { return IrTypeArray::get(t)->getLLType(); } case Tsarray: { return IrTypeSArray::get(t)->getLLType(); } // aggregates case Tstruct: { TypeStruct* ts = static_cast<TypeStruct*>(t); if (ts->sym->type->ctype) { // This should not happen, but the frontend seems to be buggy. Not // sure if this is the best way to handle the situation, but we // certainly don't want to override ts->sym->type->ctype. IF_LOG Logger::cout() << "Struct with multiple Types detected: " << ts->toChars() << " (" << ts->sym->locToChars() << ")" << std::endl; return ts->sym->type->ctype->getLLType(); } return IrTypeStruct::get(ts->sym)->getLLType(); } case Tclass: { TypeClass* tc = static_cast<TypeClass*>(t); if (tc->sym->type->ctype) { // See Tstruct case. IF_LOG Logger::cout() << "Class with multiple Types detected: " << tc->toChars() << " (" << tc->sym->locToChars() << ")" << std::endl; return tc->sym->type->ctype->getLLType(); } return IrTypeClass::get(tc->sym)->getLLType(); } // functions case Tfunction: { return IrTypeFunction::get(t)->getLLType(); } // delegates case Tdelegate: { return IrTypeDelegate::get(t)->getLLType(); } // typedefs // enum // FIXME: maybe just call toBasetype first ? case Tenum: { Type* bt = t->toBasetype(); assert(bt); return DtoType(bt); } // associative arrays case Taarray: return getVoidPtrType(); case Tvector: { return IrTypeVector::get(t)->getLLType(); } /* Not needed atm as VarDecls for tuples are rewritten as a string of VarDecls for the fields (u -> _u_field_0, ...) case Ttuple: { TypeTuple* ttupl = static_cast<TypeTuple*>(t); return DtoStructTypeFromArguments(ttupl->arguments); } */ default: llvm_unreachable("Unknown class of D Type!"); } return 0; }
LLType *DtoType(Type *t) { t = stripModifiers(t); if (t->ctype) { return t->ctype->getLLType(); } IF_LOG Logger::println("Building type: %s", t->toChars()); LOG_SCOPE; assert(t); switch (t->ty) { // basic types case Tvoid: case Tint8: case Tuns8: case Tint16: case Tuns16: case Tint32: case Tuns32: case Tint64: case Tuns64: case Tint128: case Tuns128: case Tfloat32: case Tfloat64: case Tfloat80: case Timaginary32: case Timaginary64: case Timaginary80: case Tcomplex32: case Tcomplex64: case Tcomplex80: // case Tbit: case Tbool: case Tchar: case Twchar: case Tdchar: { return IrTypeBasic::get(t)->getLLType(); } // pointers case Tnull: case Tpointer: case Treference: { // CALYPSO return IrTypePointer::get(t)->getLLType(); } // arrays case Tarray: { return IrTypeArray::get(t)->getLLType(); } case Tsarray: { return IrTypeSArray::get(t)->getLLType(); } // aggregates case Tstruct: { TypeStruct *ts = static_cast<TypeStruct *>(t); if (ts->sym->type->ctype) { // This should not happen, but the frontend seems to be buggy. Not // sure if this is the best way to handle the situation, but we // certainly don't want to override ts->sym->type->ctype. IF_LOG Logger::cout() << "Struct with multiple Types detected: " << ts->toChars() << " (" << ts->sym->locToChars() << ")" << std::endl; return ts->sym->type->ctype->getLLType(); } return IrTypeStruct::get(ts->sym)->getLLType(); } case Tclass: { TypeClass *tc = static_cast<TypeClass *>(t); if (tc->sym->type->ctype) { // See Tstruct case. IF_LOG Logger::cout() << "Class with multiple Types detected: " << tc->toChars() << " (" << tc->sym->locToChars() << ")" << std::endl; return tc->sym->type->ctype->getLLType(); } return IrTypeClass::get(tc->sym)->getLLType(); } // functions case Tfunction: { return IrTypeFunction::get(t)->getLLType(); } // delegates case Tdelegate: { return IrTypeDelegate::get(t)->getLLType(); } // typedefs // enum // FIXME: maybe just call toBasetype first ? case Tenum: { Type *bt = t->toBasetype(); assert(bt); if (t == bt) { // This is an enum forward reference that is only legal when referenced // through an indirection (e.g. "enum E; void foo(E* p);"). For lack of a // better choice, make the outer indirection a void pointer. return getVoidPtrType()->getContainedType(0); } return DtoType(bt); } // associative arrays case Taarray: return getVoidPtrType(); case Tvector: { return IrTypeVector::get(t)->getLLType(); } default: llvm_unreachable("Unknown class of D Type!"); } return nullptr; }