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| author | Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> | 2009-12-27 09:30:57 +0000 |
|---|---|---|
| committer | Daniel Kraft <domob@gcc.gnu.org> | 2009-12-27 10:30:57 +0100 |
| commit | ca071303a504199e2ded9caad0d441196ede757b (patch) | |
| tree | f5dbe5c613b211c7d20ee051b0b26433da3aca76 /gcc/fortran/interface.c | |
| parent | 6f352c3a70dffef99f478c25b48e64c8ab4de991 (diff) | |
| download | gcc-ca071303a504199e2ded9caad0d441196ede757b.zip gcc-ca071303a504199e2ded9caad0d441196ede757b.tar.gz gcc-ca071303a504199e2ded9caad0d441196ede757b.tar.bz2 | |
re PR fortran/22552 (Would like warning when an undeclared function is called)
2009-12-27 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Daniel Kraft <d@domob.eu>
PR fortran/22552
* lang.opt (Wimplicit-procedure): New option.
* gfortran.h (struct gfc_option_t): New member `warn_implicit_procedure'
* options.c (gfc_handle_option): Handle -Wimplicit-procedure.
* interface.c (gfc_procedure_use): Warn about procedure never
explicitly declared if requested by the new flag.
* invoke.texi: Document new flag -Wimplicit-procedure.
2009-12-27 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Daniel Kraft <d@domob.eu>
PR fortran/22552
* gfortran.dg/warn_implicit_procedure_1.f90: New test.
Co-Authored-By: Daniel Kraft <d@domob.eu>
From-SVN: r155479
Diffstat (limited to 'gcc/fortran/interface.c')
| -rw-r--r-- | gcc/fortran/interface.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c index 866a81c..0034f75 100644 --- a/gcc/fortran/interface.c +++ b/gcc/fortran/interface.c @@ -2380,12 +2380,18 @@ gfc_procedure_use (gfc_symbol *sym, gfc_actual_arglist **ap, locus *where) /* Warn about calls with an implicit interface. Special case for calling a ISO_C_BINDING becase c_loc and c_funloc - are pseudo-unknown. */ - if (gfc_option.warn_implicit_interface - && sym->attr.if_source == IFSRC_UNKNOWN - && ! sym->attr.is_iso_c) - gfc_warning ("Procedure '%s' called with an implicit interface at %L", - sym->name, where); + are pseudo-unknown. Additionally, warn about procedures not + explicitly declared at all if requested. */ + if (sym->attr.if_source == IFSRC_UNKNOWN && ! sym->attr.is_iso_c) + { + if (gfc_option.warn_implicit_interface) + gfc_warning ("Procedure '%s' called with an implicit interface at %L", + sym->name, where); + else if (gfc_option.warn_implicit_procedure + && sym->attr.proc == PROC_UNKNOWN) + gfc_warning ("Procedure '%s' called at %L is not explicitly declared", + sym->name, where); + } if (sym->attr.if_source == IFSRC_UNKNOWN) { |