// ELSE IF
public override ASTNode VisitElseIfStmt(CLUBSParser.ElseIfStmtContext context)
{
ElseIfNode node = new ElseIfNode(new SourcePosition(context.start));
node.Predicate = Visit(context.expr()) as ExpressionNode;
node.Block = Visit(context.blockStmt()) as BlockNode;
return(node);
}
// ELSE IF
public override TypeNode Visit(ElseIfNode node, object obj)
{
TypeNode predicateType = Visit(node.Predicate);
// If predicate type is not Bool, log error
if (predicateType != StandardTypes.Bool)
{
ErrorLogger.LogError(new IncompatibleTypesError(predicateType, StandardTypes.Bool, node.Predicate.SourcePosition));
return(new ErrorTypeNode(node.SourcePosition));
}
Visit(node.Block);
return(null);
}
public abstract T Visit(ElseIfNode node, object obj);
// ELSE IF
public override string Visit(ElseIfNode node, object obj)
{
return($"else if ({Visit(node.Predicate)}) {Visit(node.Block)}");
}