Changeset 0c327ce for src/ResolvExpr/CandidateFinder.cpp
- Timestamp:
- Jul 12, 2024, 3:30:06 PM (5 weeks ago)
- Branches:
- master
- Children:
- 76b507d
- Parents:
- 9c447e2
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
src/ResolvExpr/CandidateFinder.cpp
r9c447e2 r0c327ce 1485 1485 1486 1486 void Finder::postvisit( const ast::CountExpr * countExpr ) { 1487 assert( countExpr->type ); 1488 auto enumInst = countExpr->type.as<ast::EnumInstType>(); 1489 if ( !enumInst ) { 1490 SemanticError( countExpr, "Count Expression only supports Enum Type as operand: "); 1491 } 1492 addCandidate( ast::ConstantExpr::from_ulong(countExpr->location, enumInst->base->members.size()), tenv ); 1487 const ast::UntypedExpr * untyped; 1488 if ( countExpr->type ) { 1489 auto enumInst = countExpr->type.as<ast::EnumInstType>(); 1490 if ( enumInst ) { 1491 addCandidate( ast::ConstantExpr::from_ulong(countExpr->location, enumInst->base->members.size()), tenv ); 1492 return; 1493 } 1494 auto untypedFirst = ast::UntypedExpr::createCall( countExpr->location, "lowerBound", {} ); 1495 auto castFirst = new ast::CastExpr( countExpr->location, untypedFirst , countExpr->type ); 1496 untyped = ast::UntypedExpr::createCall( 1497 countExpr->location, "Countof", { castFirst } 1498 ); 1499 } 1500 if (!untyped) untyped = ast::UntypedExpr::createCall( 1501 countExpr->location, "Countof", { countExpr->expr } 1502 ); 1503 CandidateFinder finder( context, tenv ); 1504 finder.find( untyped ); 1505 CandidateList winners = findMinCost( finder.candidates ); 1506 if ( winners.size() == 0 ) { 1507 SemanticError( countExpr->expr, "Countof is not implemented for operand: " ); 1508 } 1509 if ( winners.size() != 1 ) { 1510 SemanticError( countExpr->expr, "Ambiguous expression in countof operand: " ); 1511 } 1512 CandidateRef & choice = winners.front(); 1513 choice->expr = referenceToRvalueConversion( choice->expr, choice->cost ); 1514 addCandidate( *choice, choice->expr ); 1493 1515 } 1494 1516
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