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#include "parser.ih"
// See also README.polymorphic-technical
void Parser::handleProductionElement(STYPE_ &last)
{
// maybe also when currentRule == 0 ? See addProduction
if (!d_rules.hasRules()) // may happen if the first rule could not be
return; // defined because of token/rulename clash
switch (last.tag())
{
case Tag_::TERMINAL:
d_rules.addElement(last.get<Tag_::TERMINAL>());
checkFirstType();
break;
case Tag_::SYMBOL:
d_rules.addElement(last.get<Tag_::SYMBOL>());
checkFirstType();
break;
case Tag_::BLOCK:
installAction(last.get<Tag_::BLOCK>());
break;
case Tag_::END_TAG_:
checkFirstType();
return;
default: // can't occur, but prevents a warning
break; // from the compiler
}
}
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