Re: [PATCH v2 10/16] struct-attr: prepare to handle attributes at the end of struct definitions (1)

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On 26/12/2020 17:51, Luc Van Oostenryck wrote:
> Type attributes for struct can be placed either just after the
> keyword 'struct' or after the '}' ending its definition but this
> later case is currently ignored.
> 
> Prepare the handling of this by factoring the code common to both
> cases in a single place.
> 
> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
> ---
>  parse.c                        | 11 +++++------
>  validation/parsing/enum-attr.c |  4 ++--
>  2 files changed, 7 insertions(+), 8 deletions(-)
> 
> diff --git a/parse.c b/parse.c
> index d6343f0e48bf..99d810910dab 100644
> --- a/parse.c
> +++ b/parse.c
> @@ -745,12 +745,7 @@ static struct token *struct_union_enum_specifier(enum type type,
>  			if (sym->symbol_list)
>  				error_die(token->pos, "redefinition of %s", show_typename (sym));
>  			sym->pos = *repos;
> -			token = parse(token->next, sym);
> -			token = expect(token, '}', "at end of struct-union-enum-specifier");
> -
> -			// Mark the structure as needing re-examination
> -			sym->examined = 0;
> -			sym->endpos = token->pos;
> +			goto end;
>  		}
>  		return token;
>  	}
> @@ -763,10 +758,14 @@ static struct token *struct_union_enum_specifier(enum type type,
>  	}
>  
>  	sym = alloc_symbol(token->pos, type);
> +end:
>  	set_current_scope(sym);		// used by dissect
>  	token = parse(token->next, sym);
>  	ctx->ctype.base_type = sym;
>  	token =  expect(token, '}', "at end of specifier");
> +
> +	// Mark the structure as needing re-examination
> +	sym->examined = 0;
>  	sym->endpos = token->pos;

Hmm, this is not a simple 1:1 code movement.
Is the 'set_current_scope(sym);' or 'ctx->ctype.base_type = sym;'
relevant to this change? It is not mentioned in the commit
message (and I can't tell just looking at the patch text).

ATB,
Ramsay Jones

>  
>  	return token;
> diff --git a/validation/parsing/enum-attr.c b/validation/parsing/enum-attr.c
> index a962d8b417af..8d851a162135 100644
> --- a/validation/parsing/enum-attr.c
> +++ b/validation/parsing/enum-attr.c
> @@ -21,9 +21,9 @@ enum bad {
>  parsing/enum-attr.c:10:15: error: typename in expression
>  parsing/enum-attr.c:10:15: error: undefined identifier '__attribute__'
>  parsing/enum-attr.c:10:15: error: bad constant expression type
> -parsing/enum-attr.c:10:22: error: Expected } at end of struct-union-enum-specifier
> +parsing/enum-attr.c:10:22: error: Expected } at end of specifier
>  parsing/enum-attr.c:10:22: error: got 33
> -parsing/enum-attr.c:14:18: error: Expected } at end of struct-union-enum-specifier
> +parsing/enum-attr.c:14:18: error: Expected } at end of specifier
>  parsing/enum-attr.c:14:18: error: got __attribute__
>   * check-error-end
>   */
> 



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