[cfe-dev] A newbie question on getting operator in Expr

[Nico Weber]

On Fri, Jun 17, 2011 at 10:46 PM, sirinda <sxp969 at psu.edu> wrote:
> sorry, I forgot to include the following code to check if the stmt is an
> expr.
>
> // this code is inside VisitStmt(Stmt* Node)
> if (isa<Expr>(Node)) {
>        Expr *expr = (Expr*)Node;
>        VisitExpr(expr);

For what it's worth,

  if (isa<Type>(object)) {
    Type* typedObject = (Type*)object;
    ...
  }

is usually written as

  if (Type* typedObject = dyn_cast<Type>(object)) {
    ...
  }

in clang's code.

Nico

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