void FormGenListBagComposition::updateInputWidgets()
{
if( mUpdating )
return;
const int currentRow = selectionModel()->currentIndex().row();
const int rowCount = model()->rowCount();
if( ! isValueSet() || mElement == nullptr || currentRow < 0) {
mUpdating = true;
if( mElement )
mElement->setValidatedValue(mElement->defaultValue());
mHead->spinPosition->setValue(0);
mUpdating = false;
} else {
mUpdating = true;
mElement->setValidatedValue(model()->data(model()->index(currentRow, 0), Qt::EditRole));
mHead->spinPosition->setMaximum(rowCount - 1);
mHead->spinPosition->setValue(currentRow);
mUpdating = false;
}
if( ! isValueSet() || mElement == nullptr ) {
mHeadWidget->setEnabled(false);
if( mElementWrapper )
mElementWrapper->setEnabled(false);
} else if( currentRow < 0 ) {
mHeadWidget->setEnabled(true);
mElementWrapper->setEnabled(false);
mHead->buttonDelete->setEnabled(false);
mHead->buttonClear->setEnabled(rowCount > 0);
mHead->spinPosition->setEnabled(false);
mHead->buttonCopy->setEnabled(false);
} else {
mHeadWidget->setEnabled(true);
mElementWrapper->setEnabled(true);
mHead->buttonDelete->setEnabled(true);
mHead->buttonClear->setEnabled(true);
mHead->spinPosition->setEnabled(true);
mHead->buttonCopy->setEnabled(true);
}
}
void
ZDriver::writeAcceptFuncDecl( std::ostream &out )
{
const std::string &extraArg = getValue( "extra_argument" ).first;
if ( isValueSet( "parse_accept" ) )
{
if ( extraArg.empty() )
out << " void accept( void );" << endl();
else
out << " void accept( " << extraArg << " );" << endl();
}
}
void
ZDriver::writeAcceptFunc( std::ostream &out )
{
const std::string &extraArg = getValue( "extra_argument" ).first;
if ( isValueSet( "parse_accept" ) )
{
emitFuncBreak( out );
if ( extraArg.empty() )
out << "void " << myPimplName << "::accept( void )" << endl();
else
out << "void " << myPimplName << "::accept( "
<< extraArg << " )" << endl();
out << "{" << endl();
emitValue( getValue( "parse_accept" ), out );
out << "}" << endl();
}
}
void
ZDriver::writeReduceFunc( std::ostream &out )
{
size_t i, nRule;
nRule = RuleTable::get()->getNumRules();
emitFuncBreak( out );
out << "void " << myPimplName << "::reduce( int ruleNum"
<< myExtraArg << " )" << endl();
out << "{" << endl();
if ( isDebugOutput() )
out << " std::cout << \"REDUCE rule \" << ruleNum << std::endl;"
<< endl();
out << " int newVal;" << endl();
out << " ParserAct next;" << endl();
out << " Util::Any data;" << endl();
out << " std::vector< Util::Any > rhsData;" << endl() << endl();
out << " rhsData.reserve( myRules[ruleNum].second );" << endl();
out << " for ( int i = 0, N = myRules[ruleNum].second; i != N; ++i )"
<< endl();
out << " {" << endl();
out << " if ( myStack.empty() )" << endl()
<< " rhsData.insert( rhsData.begin(), data );" << endl()
<< " else" << endl()
<< " {" << endl();
out << " rhsData.insert( rhsData.begin(), myStack.top().second );"
<< endl();
out << " myStack.pop();" << endl()
<< " }" << endl();
out << " }" << endl();
out << endl();
out << " next = findParserAction( newVal, myRules[ruleNum].first );"
<< endl();
out << endl();
out << " switch ( ruleNum )" << endl();
out << " {" << endl();
for ( i = 0; i < nRule; ++i )
{
Rule *rp = RuleTable::get()->getNthRule( i );
out << " case " << i << ":" << endl();
out << " {" << endl();
out << " // ";
rp->print( out );
out << endl();
emitRule( rp, out );
out << " break;" << endl();
out << " }" << endl() << endl();
}
out << " default:" << endl();
out << " throw \"Unknown Rule Number\";" << endl();
out << " break;" << endl();
out << " }" << endl();
out << endl();
out << " if ( PA_SHIFT == next )" << endl();
out << " shift( newVal, myRules[ruleNum].first, data );" << endl();
if ( isValueSet( "parse_accept" ) )
{
out << " else" << endl();
if ( !myExtraArgCall.empty() )
out << " accept( " << myExtraArgCall << " );" << endl();
else
out << " accept();" << endl();
}
out << "}" << endl();
}
void
ZDriver::writeMainParserFunc( std::ostream &out )
{
const std::string &tokenType = getValue( "token_type" ).first;
const std::string &prefix = getValue( "token_prefix" ).first;
emitFuncBreak( out );
out << "void " << myPimplName << "::parse( " << getParserName()
<< "::Terminal tok, ";
if ( tokenType.empty() )
out << "void *";
else
{
out << tokenType;
if ( *(tokenType.end() - 1) != '*' && *(tokenType.end() - 1) != '&' )
out << " ";
}
out << "value" << myExtraArg << " )" << endl();
out << "{" << endl();
out << " int actVal;" << endl();
out << " ParserAct action;" << endl();
out << " bool errHit = false;" << endl();
out << " bool eoInput = (tok == " << getParserName() << "::"
<< prefix << "EOF );" << endl();
out << " bool done = false;" << endl();
out << endl();
out << " if ( myStack.empty() )" << endl();
out << " {" << endl();
out << " if ( eoInput )" << endl();
out << " return;" << endl();
out << endl();
out << " myErrCount = -1;" << endl();
out << " }" << endl();
out << endl();
out << " Util::Any data( value );" << endl();
out << endl();
out << " do" << endl() << " {" << endl();
out << " action = findParserAction( actVal, tok );" << endl();
out << " if ( PA_SHIFT == action )" << endl();
out << " {" << endl();
out << " shift( actVal, tok, data );" << endl();
out << " --myErrCount;" << endl();
out << " if ( eoInput && ! myStack.empty() )" << endl();
out << " tok = " << getParserName() << "::"
<< prefix << "EOF;" << endl();
out << " else" << endl();
out << " done = true;" << endl();
out << " }" << endl();
out << " else if ( PA_REDUCE == action )" << endl();
out << " {" << endl();
if ( ! myExtraArgCall.empty() )
out << " reduce( actVal, " << myExtraArgCall << " );" << endl();
else
out << " reduce( actVal );" << endl();
out << " }" << endl();
out << " else if ( PA_ERROR == action )" << endl();
out << " {" << endl();
emitErrorHandling( out );
out << " }" << endl();
out << " else // ACCEPT == action || NOP == action" << endl();
out << " {" << endl();
if ( isValueSet( "parse_accept" ) )
{
if ( !myExtraArgCall.empty() )
out << " accept( " << myExtraArgCall << " );" << endl();
else
out << " accept();" << endl();
}
out << " done = true;" << endl();
out << " }" << endl();
out << " } while ( ! done && ! myStack.empty() );" << endl();
out << "}" << endl();
}
