diff options
| author | pault <pault@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-11-22 00:05:10 +0000 |
|---|---|---|
| committer | pault <pault@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-11-22 00:05:10 +0000 |
| commit | 994f2db2bcbc59e819ffd0641a5133c465932b64 (patch) | |
| tree | 7917653e404c26436bdce630f8d57f59116c5d61 /gcc/fortran/resolve.c | |
| parent | 4330d815716d2f641d9237493d81e9487f738e3e (diff) | |
| download | ppe42-gcc-994f2db2bcbc59e819ffd0641a5133c465932b64.tar.gz ppe42-gcc-994f2db2bcbc59e819ffd0641a5133c465932b64.zip | |
2006-11-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25087
* resolve.c (resolve_fl_procedure): Add an error if an external
automatic character length function does not have an explicit
interface.
2006-11-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25087
* gfortran.dg/auto_char_len_4.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119077 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fortran/resolve.c')
| -rw-r--r-- | gcc/fortran/resolve.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c index 5bd8296b55b..e798070224c 100644 --- a/gcc/fortran/resolve.c +++ b/gcc/fortran/resolve.c @@ -89,8 +89,6 @@ resolve_formal_arglist (gfc_symbol * proc) gfc_symbol *sym; int i; - /* TODO: Procedures whose return character length parameter is not constant - or assumed must also have explicit interfaces. */ if (proc->result != NULL) sym = proc->result; else @@ -5529,17 +5527,25 @@ resolve_fl_procedure (gfc_symbol *sym, int mp_flag) && resolve_fl_var_and_proc (sym, mp_flag) == FAILURE) return FAILURE; - if (sym->attr.proc == PROC_ST_FUNCTION) + if (sym->ts.type == BT_CHARACTER) { - if (sym->ts.type == BT_CHARACTER) - { - gfc_charlen *cl = sym->ts.cl; - if (!cl || !cl->length || cl->length->expr_type != EXPR_CONSTANT) - { + gfc_charlen *cl = sym->ts.cl; + if (!cl || !cl->length || cl->length->expr_type != EXPR_CONSTANT) + { + if (sym->attr.proc == PROC_ST_FUNCTION) + { gfc_error ("Character-valued statement function '%s' at %L must " "have constant length", sym->name, &sym->declared_at); return FAILURE; } + + if (sym->attr.external && sym->formal == NULL + && cl && cl->length && cl->length->expr_type != EXPR_CONSTANT) + { + gfc_error ("Automatic character length function '%s' at %L must " + "have an explicit interface", sym->name, &sym->declared_at); + return FAILURE; + } } } |
