[cfe-dev] one question about SourceLocation

[Yang Chen]

Rambo wrote:
> Hi,
> for this program:
> for (i = 0; i < 5; i++)
> {
>     // have anything  at here;
>     
>  printf
> ("%d",
> num
> [i]);
>    //other Codes at here; 
>      } 
> I want to get the SourceLocation by This codes:
> if(isa<ArraySubscriptExpr>(s))
>        {
>           ArraySubscriptExpr *Decl2=cast<ArraySubscriptExpr>(s);
>           Expr *lhs=Decl2->getRHS();
>           SourceLocation ST=lhs->getExprLoc();
>        }
>  But I only get the Location before num[i],How can I get the SourceLocation
> about "printf"？
> I look forward your help.
>
>   

You will need to get the Stmt node which represents the ``printf" 
statement in AST. Then you can use Stmt::getLocStart.

- Yang

>
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