diff options
Diffstat (limited to 'gcc/fortran/interface.c')
| -rw-r--r-- | gcc/fortran/interface.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c index e787187..dcf6c4e 100644 --- a/gcc/fortran/interface.c +++ b/gcc/fortran/interface.c @@ -1618,7 +1618,22 @@ compare_parameter (gfc_symbol *formal, gfc_expr *actual, "contiguous", formal->name, &actual->where); return 0; } - } + + /* F2008, C1303 and C1304. */ + if (formal->attr.intent != INTENT_INOUT + && (((formal->ts.type == BT_DERIVED || formal->ts.type == BT_CLASS) + && formal->ts.u.derived->from_intmod == INTMOD_ISO_FORTRAN_ENV + && formal->ts.u.derived->intmod_sym_id == ISOFORTRAN_LOCK_TYPE) + || formal->attr.lock_comp)) + + { + if (where) + gfc_error ("Actual argument to non-INTENT(INOUT) dummy '%s' at %L, " + "which is LOCK_TYPE or has a LOCK_TYPE component", + formal->name, &actual->where); + return 0; + } + } /* F2008, C1239/C1240. */ if (actual->expr_type == EXPR_VARIABLE @@ -2294,10 +2309,10 @@ compare_actual_formal (gfc_actual_arglist **ap, gfc_formal_arglist *formal, : NULL); if (f->sym->attr.pointer - && gfc_check_vardef_context (a->expr, true, context) + && gfc_check_vardef_context (a->expr, true, false, context) == FAILURE) return 0; - if (gfc_check_vardef_context (a->expr, false, context) + if (gfc_check_vardef_context (a->expr, false, false, context) == FAILURE) return 0; } @@ -2749,6 +2764,19 @@ gfc_procedure_use (gfc_symbol *sym, gfc_actual_arglist **ap, locus *where) "for procedure '%s' at %L", sym->name, &a->expr->where); break; } + + /* F2008, C1303 and C1304. */ + if (a->expr + && (a->expr->ts.type == BT_DERIVED || a->expr->ts.type == BT_CLASS) + && ((a->expr->ts.u.derived->from_intmod == INTMOD_ISO_FORTRAN_ENV + && a->expr->ts.u.derived->intmod_sym_id == ISOFORTRAN_LOCK_TYPE) + || gfc_expr_attr (a->expr).lock_comp)) + { + gfc_error("Actual argument of LOCK_TYPE or with LOCK_TYPE " + "component at %L requires an explicit interface for " + "procedure '%s'", &a->expr->where, sym->name); + break; + } } return; |