string CBackendx86::Label(string label) const
{
CScope *cs = GetScope();
assert(cs != NULL);
return "l_" + cs->GetName() + "_" + label;
}
string CBackendx86::Operand(const CTac *op)
{
string operand;
// TODO
// return a string representing op
// hint: take special care of references (op of type CTacReference)
std::stringstream buffer ;
buffer << op ;
CScope *cs = GetScope();
CSymtab *st = cs->GetSymbolTable();
vector<CSymbol*> slist = st->GetSymbols();
vector< CSymbol * > symbols = st->GetSymbols() ;
//CTacName
if (st->FindSymbol(buffer.str()) != NULL){
operand = buffer.str() ;
}
//CTacConstant
else if (buffer.str()[0] > 47 && buffer.str()[0] < 58){
operand = Imm(atoi(buffer.str().c_str())) ;
}
//CTacReference
else {
}
return operand ;
}
CValue CallFunction(
CScope& scope,
CStack& stack,
const CSourceLocation& location,
const std::string& symbol,
const std::vector<CValue>& argValues)
{
// Analyze function value.
CValue functionValue = scope.GetValue(symbol, location, stack);
if (!IsFunction(functionValue)) {
throw ExScopeSymbolIsNotFunction{ location, stack };
}
if (argValues.size() > functionValue.GetFuncArity()) {
throw ExScopeFormalActualArgCountMismatch{ location, stack };
}
// Analyze function definition.
const auto& functionDef = functionValue.GetFuncDef();
const auto& captures = functionValue.GetFuncCaptures();
auto applArgs = functionValue.GetAppliedArgs();
std::copy(begin(argValues), end(argValues), std::back_inserter(applArgs));
if (argValues.size() < functionValue.GetFuncArity()) {
// "Curry on"...
return CValue::MakeFunction(&functionDef, captures, applArgs);
}
// Call function
const auto& argNames = functionDef.GetFormalArgs();
const auto& argLocations = functionDef.GetArgLocations();
assert(argNames.size() == argLocations.size());
unsigned argsCount = argNames.size();
CLocalScope funcScope{ scope.GetGlobalScope() };
for (unsigned i = 0; i < argsCount; ++i) {
funcScope.TryRegisteringBind(
stack,
argNames[i],
applArgs[i],
argLocations[i]);
}
for (const auto& pr : captures) {
funcScope.TryRegisteringBind(
stack,
pr.first,
pr.second.value,
pr.second.location);
}
stack.PushCall(symbol);
CValue result = functionDef.Execute(funcScope, stack);
stack.PopCall();
return result;
}
string CBackendx86::Label(const CTacLabel* label) const
{
CScope *cs = GetScope();
assert(cs != NULL);
ostringstream o;
o << "l_" << cs->GetName() << "_" << label->GetLabel();
return o.str();
return "l_" + cs->GetName() + "_" + label->GetLabel();
}
bool CScope::DefineSymbol(const QString& desScope, CSymbol* symbol)
{
CScope* scopeFound = FindScopeScrollDown(desScope);
if (!scopeFound)
{
return false;
}
scopeFound->DefineSymbol(symbol);
return true;
}
CBioseq_Handle CPrefetchTokenOld_Impl::NextBioseqHandle(CScope& scope)
{
TTSE_Lock tse;
CSeq_id_Handle id;
{{
CFastMutexGuard guard(m_Lock);
// Can not call bool(*this) - creates deadlock
_ASSERT(m_CurrentId < m_Ids.size());
id = m_Ids[m_CurrentId];
// Keep temporary TSE lock
tse = m_TSEs[m_CurrentId];
m_TSEs[m_CurrentId].Reset();
++m_CurrentId;
if ( tse ) {
TTSE_Map::iterator it = m_TSEMap.find(tse);
if ( --(it->second) < 1 ) {
m_TSEMap.erase(it);
// Signal that next TSE or next token may be prefetched
m_TSESemaphore.Post();
}
}
}
}
return scope.GetBioseqHandle(id);
}
void CPrefetchTokenOld_Impl::x_InitPrefetch(CScope& scope)
{
m_TSEs.resize(m_Ids.size());
m_CurrentId = 0;
CRef<CDataSource> source(scope.GetImpl().GetFirstLoaderSource());
if (!source) {
return;
}
source->Prefetch(*this);
}
CSeqVector::CSeqVector(const CSeq_loc& loc, CScope& scope,
EVectorCoding coding, ENa_strand strand)
: m_Scope(&scope),
m_SeqMap(CSeqMap::GetSeqMapForSeq_loc(loc, &scope)),
m_Strand(strand),
m_Coding(CSeq_data::e_not_set)
{
if ( const CSeq_id* id = loc.GetId() ) {
if ( CBioseq_Handle bh = scope.GetBioseqHandle(*id) ) {
m_TSE = bh.GetTSE_Handle();
}
}
m_Size = m_SeqMap->GetLength(m_Scope);
m_Mol = m_SeqMap->GetMol();
SetCoding(coding);
}
CRef<CSeq_loc>
CBlastFastaInputSource::x_FastaToSeqLoc(CRef<objects::CSeq_loc>& lcase_mask,
CScope& scope)
{
static const TSeqRange kEmptyRange(TSeqRange::GetEmpty());
CRef<CBlastScopeSource> query_scope_source;
if (m_Config.GetLowercaseMask())
lcase_mask = m_InputReader->SaveMask();
CRef<CSeq_entry> seq_entry(m_InputReader->ReadOneSeq());
if (lcase_mask) {
if (lcase_mask->Which() != CSeq_loc::e_not_set) {
lcase_mask->SetStrand(eNa_strand_plus);
}
_ASSERT(lcase_mask->GetStrand() == eNa_strand_plus ||
lcase_mask->GetStrand() == eNa_strand_unknown);
}
_ASSERT(seq_entry.NotEmpty());
scope.AddTopLevelSeqEntry(*seq_entry);
CTypeConstIterator<CBioseq> itr(ConstBegin(*seq_entry));
CRef<CSeq_loc> retval(new CSeq_loc());
if ( !blast::HasRawSequenceData(*itr) ) {
CBlastInputReader* blast_reader =
dynamic_cast<CBlastInputReader*>(m_InputReader.get());
_ASSERT(blast_reader);
CRef<CBlastScopeSource> query_scope_source =
blast_reader->GetQueryScopeSource();
query_scope_source->AddDataLoaders(CRef<CScope>(&scope));
}
if (m_ReadProteins && itr->IsNa()) {
NCBI_THROW(CInputException, eSequenceMismatch,
"Nucleotide FASTA provided for protein sequence");
} else if ( !m_ReadProteins && itr->IsAa() ) {
NCBI_THROW(CInputException, eSequenceMismatch,
"Protein FASTA provided for nucleotide sequence");
}
// set strand
if (m_Config.GetStrand() == eNa_strand_other ||
m_Config.GetStrand() == eNa_strand_unknown) {
if (m_ReadProteins)
retval->SetInt().SetStrand(eNa_strand_unknown);
else
retval->SetInt().SetStrand(eNa_strand_both);
} else {
if (m_ReadProteins) {
NCBI_THROW(CInputException, eInvalidStrand,
"Cannot assign nucleotide strand to protein sequence");
}
retval->SetInt().SetStrand(m_Config.GetStrand());
}
// sanity checks for the range
const TSeqPos from = m_Config.GetRange().GetFrom() == kEmptyRange.GetFrom()
? 0 : m_Config.GetRange().GetFrom();
const TSeqPos to = m_Config.GetRange().GetTo() == kEmptyRange.GetTo()
? 0 : m_Config.GetRange().GetTo();
// Get the sequence length
const TSeqPos seqlen = seq_entry->GetSeq().GetInst().GetLength();
//if (seqlen == 0) {
// NCBI_THROW(CInputException, eEmptyUserInput,
// "Query contains no sequence data");
//}
_ASSERT(seqlen != numeric_limits<TSeqPos>::max());
if (to > 0 && to < from) {
NCBI_THROW(CInputException, eInvalidRange,
"Invalid sequence range");
}
if (from > seqlen) {
NCBI_THROW(CInputException, eInvalidRange,
"Invalid from coordinate (greater than sequence length)");
}
// N.B.: if the to coordinate is greater than or equal to the sequence
// length, we fix that silently
// set sequence range
retval->SetInt().SetFrom(from);
retval->SetInt().SetTo((to > 0 && to < seqlen) ? to : (seqlen-1));
// set ID
retval->SetInt().SetId().Assign(*FindBestChoice(itr->GetId(), CSeq_id::BestRank));
return retval;
}
void CBackendx86::EmitInstruction(CTacInstr *i)
{
assert(i != NULL);
ostringstream cmt;
string mnm;
cmt << i;
EOperation op = i->GetOperation();
CScope* sc = GetScope() ;
const CSymbol* symbol ;
int size ;
switch (op) {
// binary operators
// dst = src1 op src2
// TODO
case opAdd :
//case opSub :
case opMul :
//case opDiv :
//case opAnd :
//case opOr :
EmitInstruction("movl", Operand(i->GetSrc(1)) + ", %eax", cmt.str());
EmitInstruction("movl", Operand(i->GetSrc(2)) + ", %ebx");
if (op == opAdd)
EmitInstruction("addl", "%ebx, %eax");
else if (op == opMul)
EmitInstruction("imull", "%ebx");
symbol = sc->GetSymbolTable()->FindSymbol(Operand(i->GetSrc(1)));
size = symbol->GetOffset() ;
cmt.str("");
cmt << size ;
EmitInstruction("movl", "%eax, -" + cmt.str() + "(%ebp)" );
break ;
// unary operators
// dst = op src1
// TODO
case opNeg :
//case opPos :
//case opNot :
symbol = sc->GetSymbolTable()->FindSymbol(Operand(i->GetSrc(1)));
if (symbol != NULL){
EmitInstruction("movl", Operand(i->GetSrc(1)) + ", %eax", cmt.str());
EmitInstruction("negl", "%eax");
size = symbol->GetOffset() ;cmt.str("");
cmt << size ;
EmitInstruction("movl", "%eax, -" + cmt.str() + "(%ebp)" );
}
else {
EmitInstruction("movl", Operand(i->GetSrc(1)) + ", %eax", cmt.str());
EmitInstruction("negl", "%eax");
}
break ;
// memory operations
// dst = src1
// TODO
case opAssign :
if (false) {
}else {
//cmt << " assign\t" + Operand(i->GetDest()) + " <- " << i->GetSrc(1) ;
Load(i->GetSrc(1), "%eax", cmt.str() ) ;
Store(i->GetDest(), 'a', "") ;
}
break ;
// pointer operations
// dst = &src1
// TODO
// dst = *src1
case opDeref:
// opDeref not generated for now
EmitInstruction("# opDeref", "not implemented", cmt.str());
break;
// unconditional branching
// goto dst
// TODO
// conditional branching
// if src1 relOp src2 then goto dst
// TODO
// function call-related operations
// TODO
// special
case opLabel:
_out << Label(dynamic_cast<CTacLabel*>(i)) << ":" << endl;
break;
case opNop:
EmitInstruction("nop", "", cmt.str());
break;
default:
EmitInstruction("# ???", "not implemented", cmt.str());
}
}
