void Write(CiUnaryExpr expr)
{
switch (expr.Op)
{
case CiToken.Increment: Write("++"); break;
case CiToken.Decrement: Write("--"); break;
case CiToken.Minus: Write('-'); break;
case CiToken.Not: Write('~'); break;
default: throw new ArgumentException(expr.Op.ToString());
}
WriteChild(expr, expr.Inner);
}
void Write(CiUnaryExpr expr)
{
switch (expr.Op) {
case CiToken.Increment: Write("++"); break;
case CiToken.Decrement: Write("--"); break;
case CiToken.Minus: Write('-'); break;
case CiToken.Not: Write('~'); break;
default: throw new ArgumentException(expr.Op.ToString());
}
WriteChild(expr, expr.Inner);
}
CiExpr ICiExprVisitor.Visit(CiUnaryExpr expr)
{
CiExpr resolved;
if (expr.Op == CiToken.Increment || expr.Op == CiToken.Decrement)
resolved = ResolveLValue(expr.Inner);
else
resolved = Resolve(expr.Inner);
expr.Inner = Coerce(resolved, CiIntType.Value);
if (expr.Op == CiToken.Minus && expr.Inner is CiConstExpr)
return new CiConstExpr(-GetConstInt(expr.Inner));
return expr;
}
