[PATCH v3 1/3] Guile: improved rvalue reference support

[Andrew Burgess]

* George Barrett via Gdb-patches <gdb-patches@sourceware.org> [2021-04-29 02:27:26 +1000]:

> Adds a couple of missing bits to the Guile API to make C++11 rvalue
> reference values and types usable from Guile scripts.
> 
> gdb/ChangeLog:
> 
> 2021-04-29  George Barrett  <bob@bob131.so>
> 
> 	* guile/scm-type.c (type_integer_constants): Add binding for
> 	TYPE_CODE_RVALUE_REF.
> 	* guile/scm-value.c (gdbscm_value_referenced_value): Handle
> 	dereferencing of rvalue references.
> 	* NEWS (Guile API): Note improvements in rvalue reference
> 	support.
> 
> gdb/doc/ChangeLog:
> 
> 2021-04-29  George Barrett  <bob@bob131.so>
> 
> 	* guile.texi (Types In Guile): Add documentation for
> 	TYPE_CODE_RVALUE_REF.

Looks good to me.

Thanks,
Andrew

> ---
>  gdb/NEWS              | 7 +++++++
>  gdb/doc/guile.texi    | 3 +++
>  gdb/guile/scm-type.c  | 1 +
>  gdb/guile/scm-value.c | 1 +
>  4 files changed, 12 insertions(+)
> 
> diff --git a/gdb/NEWS b/gdb/NEWS
> index 6550ea352ac..9c76df8b6d5 100644
> --- a/gdb/NEWS
> +++ b/gdb/NEWS
> @@ -185,6 +185,13 @@ QMemTags
>    Request the remote to store the specified allocation tags to the requested
>    memory range.
>  
> +* Guile API
> +
> +  ** Improved support for rvalue reference values:
> +     TYPE_CODE_RVALUE_REF is now exported as part of the API and the
> +     value-referenced-value procedure now handles rvalue reference
> +     values.
> +
>  *** Changes in GDB 10
>  
>  * There are new feature names for ARC targets: "org.gnu.gdb.arc.core"
> diff --git a/gdb/doc/guile.texi b/gdb/doc/guile.texi
> index 762a82a08c5..c7904574002 100644
> --- a/gdb/doc/guile.texi
> +++ b/gdb/doc/guile.texi
> @@ -1268,6 +1268,9 @@ A pointer-to-member.
>  @item TYPE_CODE_REF
>  A reference type.
>  
> +@item TYPE_CODE_RVALUE_REF
> +A C@t{++}11 rvalue reference type.
> +
>  @item TYPE_CODE_CHAR
>  A character type.
>  
> diff --git a/gdb/guile/scm-type.c b/gdb/guile/scm-type.c
> index 8d9c2c5f9a4..d65102b01c7 100644
> --- a/gdb/guile/scm-type.c
> +++ b/gdb/guile/scm-type.c
> @@ -1318,6 +1318,7 @@ static const scheme_integer_constant type_integer_constants[] =
>    X (TYPE_CODE_METHODPTR),
>    X (TYPE_CODE_MEMBERPTR),
>    X (TYPE_CODE_REF),
> +  X (TYPE_CODE_RVALUE_REF),
>    X (TYPE_CODE_CHAR),
>    X (TYPE_CODE_BOOL),
>    X (TYPE_CODE_COMPLEX),
> diff --git a/gdb/guile/scm-value.c b/gdb/guile/scm-value.c
> index 59995169cd0..f50e8b5b46c 100644
> --- a/gdb/guile/scm-value.c
> +++ b/gdb/guile/scm-value.c
> @@ -476,6 +476,7 @@ gdbscm_value_referenced_value (SCM self)
>  	  res_val = value_ind (value);
>  	  break;
>  	case TYPE_CODE_REF:
> +	case TYPE_CODE_RVALUE_REF:
>  	  res_val = coerce_ref (value);
>  	  break;
>  	default:
> -- 
> 2.30.2