[cfe-commits] [PATCH] FunctionTypeLoc local source range

[Enea Zaffanella]

Ping.

On 09/18/2012 02:48 PM, Enea Zaffanella wrote:
> Please find attached a patch for review.
>
> The patch implements two changes in the TypeLoc area:
>
> 1) it enhances FunctionTypeLoc by adding locations for left and right
> parentheses; these are needed by client applications and, in C++, may
> differ from the local start/end source locations.
>
> 2) it fixes the computation of the local start/end source location of a
> FunctionProtoTypeLoc, taking into account the case of a trailing return
> type. For a function having a trailing return type, the local start
> location is set to the `auto' keyword and the local end location is set
> to the location of `->'.
>
> Regarding 2, the following code can be used to show that the source
> location info currently computed by clang is suboptimal:
>
> void foo() {
>    _Generic(true, auto (*)()->int : 1, auto (*)()->int : 2);
> }
>
> (Side note: how can we turn this into a proper testcase? Are there
> expected-error variants checking for source location ranges?)
>
> Enea.
>
>
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