On Fri, Dec 11, 2015 at 12:03:26AM +0000, Joseph Myers wrote:
> On Thu, 10 Dec 2015, Manuel López-Ibáñez wrote:
> > On 12/09/2015 03:53 PM, Tobias Burnus wrote:
> > > In principle, %<%c%> and %<%d%> should be convertable to %qc and
> > > %qd (as the code is more readable), but the current function
> > > annotation prevent this, telling that the q flag is not valid for
> > > %c and %d. As %< is fine, I didn't dig into it.
> > 
> > You need to edit the gcc_gfc_* variables in c-family/c-format.c. [...]
> 
> Put "q" in the first flags string for those formats in gcc_gfc_char_table.


Thanks! The attached patch works :-)

Build and regtested on x86-64-gnu-linux.
I will commit it tomorrow, unless there are comments or objections.

Tobias



gcc/c-family/
        PR fortran/68815
        * c-format.c (gcc_gfc_char_table): Add 'q' flag to remaining
        specifiers (%d, %i,%u and %c).

gcc/fortran/
        PR fortran/68815
        * check.c (gfc_check_reshape): Replace %<%d%> by %qd.
        * matchexp.c (gfc_match_defined_op_name): Use %qc.
        * symbol.c (gfc_add_new_implicit_range,
        gfc_merge_new_implicit): Ditto.

diff --git a/gcc/c-family/c-format.c b/gcc/c-family/c-format.c
index 6e37265..de07b6c 100644
--- a/gcc/c-family/c-format.c
+++ b/gcc/c-family/c-format.c
@@ -809,9 +809,9 @@ static const format_char_info gcc_cxxdiag_char_table[] =
 static const format_char_info gcc_gfc_char_table[] =
 {
   /* C89 conversion specifiers.  */
-  { "di",  0, STD_C89, { T89_I,   BADLEN,  BADLEN,  T89_L,   BADLEN,  BADLEN,  
BADLEN,  BADLEN,  BADLEN  }, "", "", NULL },
-  { "u",   0, STD_C89, { T89_UI,  BADLEN,  BADLEN,  T89_UL,  BADLEN,  BADLEN,  
BADLEN,  BADLEN,  BADLEN  }, "", "", NULL },
-  { "c",   0, STD_C89, { T89_I,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  
BADLEN,  BADLEN,  BADLEN  }, "", "", NULL },
+  { "di",  0, STD_C89, { T89_I,   BADLEN,  BADLEN,  T89_L,   BADLEN,  BADLEN,  
BADLEN,  BADLEN,  BADLEN  }, "q", "", NULL },
+  { "u",   0, STD_C89, { T89_UI,  BADLEN,  BADLEN,  T89_UL,  BADLEN,  BADLEN,  
BADLEN,  BADLEN,  BADLEN  }, "q", "", NULL },
+  { "c",   0, STD_C89, { T89_I,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  
BADLEN,  BADLEN,  BADLEN  }, "q", "", NULL },
   { "s",   1, STD_C89, { T89_C,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  
BADLEN,  BADLEN,  BADLEN  }, "q", "cR", NULL },
 
   /* gfc conversion specifiers.  */
diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
index 6dc7f3e..3f1bdd3 100644
--- a/gcc/fortran/check.c
+++ b/gcc/fortran/check.c
@@ -3863,7 +3863,7 @@ gfc_check_reshape (gfc_expr *source, gfc_expr *shape,
                {
                  gfc_error ("%qs argument of %qs intrinsic at %L has "
                             "invalid permutation of dimensions (dimension "
-                            "%<%d%> duplicated)",
+                            "%qd duplicated)",
                             gfc_current_intrinsic_arg[3]->name,
                             gfc_current_intrinsic, &e->where, dim);
                  return false;
diff --git a/gcc/fortran/matchexp.c b/gcc/fortran/matchexp.c
index 02f43a0..c14ef59 100644
--- a/gcc/fortran/matchexp.c
+++ b/gcc/fortran/matchexp.c
@@ -69,7 +69,7 @@ gfc_match_defined_op_name (char *result, int error_flag)
   for (i = 0; name[i]; i++)
     if (!ISALPHA (name[i]))
       {
-       gfc_error ("Bad character %<%c%> in OPERATOR name at %C", name[i]);
+       gfc_error ("Bad character %qc in OPERATOR name at %C", name[i]);
        return MATCH_ERROR;
       }
 
diff --git a/gcc/fortran/symbol.c b/gcc/fortran/symbol.c
index 221fef3..d241bc0 100644
--- a/gcc/fortran/symbol.c
+++ b/gcc/fortran/symbol.c
@@ -166,7 +166,7 @@ gfc_add_new_implicit_range (int c1, int c2)
     {
       if (new_flag[i])
        {
-         gfc_error ("Letter %<%c%> already set in IMPLICIT statement at %C",
+         gfc_error ("Letter %qc already set in IMPLICIT statement at %C",
                     i + 'A');
          return false;
        }
@@ -198,7 +198,7 @@ gfc_merge_new_implicit (gfc_typespec *ts)
        {
          if (gfc_current_ns->set_flag[i])
            {
-             gfc_error ("Letter %c already has an IMPLICIT type at %C",
+             gfc_error ("Letter %qc already has an IMPLICIT type at %C",
                         i + 'A');
              return false;
            }

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