// implementation of MAX
void doMax(Indexed* indexed, int col1, int col2, int colType1, usedStreamType& output){
const PairIndex* index = indexed->getIndex(col1, col2);
if (!index){
std::cout << "index missing! " << col1 << " " << col2 << "\n";
return;
};
PairIndex::const_iterator it = index->begin();
while (it != index->end()){
int name = it->first;
PairIndexValue* piv = it->second;
//get the highest with rbegin
PairIndexValue::const_reverse_iterator ivIt = piv->rbegin();
std::cout << typedValue(name, colType1) << ": " << ivIt->first << "\n";
output << typedValue(name, colType1) << ": " << ivIt->first << "\n";
it++;
};
};
// implementation of AVG
// col1 is allways the grouping column
void doAvg(Indexed* indexed, int col1, int col2, int colType1, usedStreamType& output){
const PairIndex* index = indexed->getIndex(col1, col2);
if (!index){
std::cout << "index missing! " << col1 << " " << col2 << "\n";
return;
};
PairIndex::const_iterator it = index->begin();
while (it != index->end()){
double value = 0;
double accValue = 0;
double cnt = 0;
// groyp by name
int name = it->first;
PairIndexValue* piv = it->second;
//loop over all entries in the 2nd column
PairIndexValue::const_iterator ivIt = piv->begin();
while (ivIt != piv->end()){
accValue += (ivIt->first * ivIt->second);
cnt += ivIt->second;
ivIt++;
};
// this could trigger some problems when we have millions of records
value = round(accValue / cnt);
std::cout << typedValue(name, colType1) << ": " << value << "\n";
output << typedValue(name, colType1) << ": " << value << "\n";
it++;
};
};
void cgCallBuiltin(IRLS& env, const IRInstruction* inst) {
auto const extra = inst->extra<CallBuiltin>();
auto const callee = extra->callee;
auto const returnType = inst->typeParam();
auto const funcReturnType = callee->returnType();
auto const returnByValue = callee->isReturnByValue();
auto const dstData = dstLoc(env, inst, 0).reg(0);
auto const dstType = dstLoc(env, inst, 0).reg(1);
auto& v = vmain(env);
// Whether `t' is passed in/out of C++ as String&/Array&/Object&.
auto const isReqPtrRef = [] (MaybeDataType t) {
return isStringType(t) || isArrayLikeType(t) ||
t == KindOfObject || t == KindOfResource;
};
if (FixupMap::eagerRecord(callee)) {
auto const sp = srcLoc(env, inst, 1).reg();
auto const spOffset = cellsToBytes(extra->spOffset.offset);
auto const& marker = inst->marker();
auto const pc = marker.fixupSk().unit()->entry() + marker.fixupBcOff();
auto const synced_sp = v.makeReg();
v << lea{sp[spOffset], synced_sp};
emitEagerSyncPoint(v, pc, rvmtl(), srcLoc(env, inst, 0).reg(), synced_sp);
}
int returnOffset = rds::kVmMInstrStateOff +
offsetof(MInstrState, tvBuiltinReturn);
auto args = argGroup(env, inst);
if (!returnByValue) {
if (isBuiltinByRef(funcReturnType)) {
if (isReqPtrRef(funcReturnType)) {
returnOffset += TVOFF(m_data);
}
// Pass the address of tvBuiltinReturn to the native function as the
// location where it can construct the return Array, String, Object, or
// Variant.
args.addr(rvmtl(), returnOffset);
args.indirect();
}
}
// The srcs past the first two (sp and fp) are the arguments to the callee.
auto srcNum = uint32_t{2};
// Add the this_ or self_ argument for HNI builtins.
if (callee->isMethod()) {
if (callee->isStatic()) {
args.ssa(srcNum);
++srcNum;
} else {
// Note that we don't support objects with vtables here (if they may need
// a $this pointer adjustment). This should be filtered out during irgen
// or before.
args.ssa(srcNum);
++srcNum;
}
}
// Add the func_num_args() value if needed.
if (callee->attrs() & AttrNumArgs) {
// If `numNonDefault' is negative, this is passed as an src.
if (extra->numNonDefault >= 0) {
args.imm((int64_t)extra->numNonDefault);
} else {
args.ssa(srcNum);
++srcNum;
}
}
// Add the positional arguments.
for (uint32_t i = 0; i < callee->numParams(); ++i, ++srcNum) {
auto const& pi = callee->params()[i];
// Non-pointer and NativeArg args are passed by value. String, Array,
// Object, and Variant are passed by const&, i.e. a pointer to stack memory
// holding the value, so we expect PtrToT types for these. Pointers to
// req::ptr types (String, Array, Object) need adjusting to point to
// &ptr->m_data.
if (TVOFF(m_data) && !pi.nativeArg && isReqPtrRef(pi.builtinType)) {
assertx(inst->src(srcNum)->type() <= TPtrToGen);
args.addr(srcLoc(env, inst, srcNum).reg(), TVOFF(m_data));
} else if (pi.nativeArg && !pi.builtinType && !callee->byRef(i)) {
// This condition indicates a MixedTV (i.e., TypedValue-by-value) arg.
args.typedValue(srcNum);
} else {
args.ssa(srcNum, pi.builtinType == KindOfDouble);
}
}
auto dest = [&] () -> CallDest {
if (isBuiltinByRef(funcReturnType)) {
if (!returnByValue) return kVoidDest; // indirect return
return funcReturnType
? callDest(dstData) // String, Array, or Object
: callDest(dstData, dstType); // Variant
}
return funcReturnType == KindOfDouble
? callDestDbl(env, inst)
: callDest(env, inst);
}();
cgCallHelper(v, env, CallSpec::direct(callee->nativeFuncPtr()),
dest, SyncOptions::Sync, args);
// For primitive return types (int, bool, double) and returnByValue, the
// return value is already in dstData/dstType.
if (returnType.isSimpleType() || returnByValue) return;
// For return by reference (String, Object, Array, Variant), the builtin
// writes the return value into MInstrState::tvBuiltinReturn, from where it
// has to be tested and copied.
if (returnType.isReferenceType()) {
// The return type is String, Array, or Object; fold nullptr to KindOfNull.
assertx(isBuiltinByRef(funcReturnType) && isReqPtrRef(funcReturnType));
v << load{rvmtl()[returnOffset], dstData};
if (dstType.isValid()) {
auto const sf = v.makeReg();
auto const rtype = v.cns(returnType.toDataType());
auto const nulltype = v.cns(KindOfNull);
v << testq{dstData, dstData, sf};
v << cmovb{CC_Z, sf, rtype, nulltype, dstType};
}
return;
}
if (returnType <= TCell || returnType <= TBoxedCell) {
// The return type is Variant; fold KindOfUninit to KindOfNull.
assertx(isBuiltinByRef(funcReturnType) && !isReqPtrRef(funcReturnType));
static_assert(KindOfUninit == 0, "KindOfUninit must be 0 for test");
v << load{rvmtl()[returnOffset + TVOFF(m_data)], dstData};
if (dstType.isValid()) {
auto const rtype = v.makeReg();
v << loadb{rvmtl()[returnOffset + TVOFF(m_type)], rtype};
auto const sf = v.makeReg();
auto const nulltype = v.cns(KindOfNull);
v << testb{rtype, rtype, sf};
v << cmovb{CC_Z, sf, rtype, nulltype, dstType};
}
return;
}
not_reached();
}
