Re: [PATCH] fortran: [PR118793] Additional expanded namelist read diagnostics

In the absence of comments I plan to commit this later today.

On 8/1/26 5:52 AM, Jerry DeLisle wrote:
> Ping.
> 
> On 7/29/26 7:26 PM, Jerry DeLisle wrote:
>> The attached patch is a continuation of my effort to give more 
>> informative error messages for namelist reads. As mentioned in the PR, 
>> for users with large namelist files this will help greatly with 
>> identifying where in the namelist data file the error occurred.
>>
>> Regression tested on x86_64. A new test case added from Haralds 
>> example in the PR.
>>
>> OK for mainline?
>>
>> Regards,
>>
>> Jerry
>> ---
>>
>> fortran: [PR118793] Additional expanded namelist read diagnostics
>>
>> These changes add expanded diagnostics to error locations not addressed
>> in the original patch. This is done by using a new helper function that
>> saves the error message information for namelist related errors in a
>> buffer and keeping a status bit in the st_parameter_dt structure.
>>
>>       PR libfortran/118793
>>
>> libgfortran/ChangeLog:
>>
>>       * io/io.h (NML_ERR_MSG_LEN): New macro.
>>       (st_parameter_dt): Add nml_err_pending bit.
>>       (gfc_unit): Add nml_err_msg.
>>       * io/list_read.c (nml_error): New function.
>>       (eat_separator): Use new function
>>       (convert_integer): Likewise.
>>       (convert_unsigned): Likewise.
>>       (parse_repeat): Likewise.  Save the position where the repeat
>>       count starts and report it.
>>       (read_logical): Likewise.
>>       (read_integer): Likewise.
>>       (parse_real): Likewise.
>>       (read_complex): Likewise.
>>       (read_real): Likewise.
>>       (check_type): Likewise.
>>       (list_formatted_read_scalar): Likewise.
>>       (read_character): Likewise.  Save the initial position of the value
>>       (nml_read_obj): Unwind to nml_err_ret on a deferred error.
>>       (namelist_read): Store deferred errors in the unit's nml_err_msg
>>       buffer.
>>
>> gcc/testsuite/ChangeLog:
>>
>>       * gfortran.dg/namelist_101.f90: Fix dg-do directive typo and
>>       check the expanded diagnostic.
>>       * gfortran.dg/namelist_104.f90: New test.
>