public override AST_Node VisitSumsub([NotNull] CoolParser.SumsubContext context)
{
AST_Expresion l = (AST_Expresion)Visit(context.expr(0));
AST_Expresion r = (AST_Expresion)Visit(context.expr(1));
return(new AST_BinaryOp(context, l, r, context.op));
}
public override int VisitSumsub([NotNull] CoolParser.SumsubContext context)
{
int s = Visit(context.expr(0));
int t = Visit(context.expr(1));
if (context.op.Type == CoolLexer.ADD)
{
return(s + t);
}
return(s - t);
}