aboutsummaryrefslogtreecommitdiff
path: root/gcc/fortran/trans-expr.c
diff options
context:
space:
mode:
authorPaul Thomas <pault@gcc.gnu.org>2006-10-03 20:13:03 +0000
committerPaul Thomas <pault@gcc.gnu.org>2006-10-03 20:13:03 +0000
commit5be382734db43285b6ce08aee4982c18cebf2cf6 (patch)
treeff6592e326477dbf0ff17a5d2950e64c46cbeade /gcc/fortran/trans-expr.c
parentb7bf91917adec5526a5ffc2328a6402494d9e8ee (diff)
downloadgcc-5be382734db43285b6ce08aee4982c18cebf2cf6.zip
gcc-5be382734db43285b6ce08aee4982c18cebf2cf6.tar.gz
gcc-5be382734db43285b6ce08aee4982c18cebf2cf6.tar.bz2
re PR fortran/29284 (ICE for optional subroutine argument)
2006-10-03 Paul Thomas <pault@gcc.gnu.org> PR fortran/29284 PR fortran/29321 PR fortran/29322 * trans-expr.c (gfc_conv_function_call): Check the expression and the formal symbol are present when testing the actual argument. PR fortran/25091 PR fortran/25092 * resolve.c (resolve_entries): It is an error if the entries of an array-valued function do not have the same shape. 2006-10-03 Paul Thomas <pault@gcc.gnu.org> PR fortran/29284 * gfortran.dg/optional_assumed_charlen_1.f90: New test. PR fortran/29321 PR fortran/29322 * gfortran.dg/missing_optional_dummy_2.f90: New test. PR fortran/25091 PR fortran/25092 * gfortran.dg/entry_array_specs_1.f90: New test. From-SVN: r117413
Diffstat (limited to 'gcc/fortran/trans-expr.c')
-rw-r--r--gcc/fortran/trans-expr.c67
1 files changed, 39 insertions, 28 deletions
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c
index e477f9c..4bce65e 100644
--- a/gcc/fortran/trans-expr.c
+++ b/gcc/fortran/trans-expr.c
@@ -2006,38 +2006,49 @@ gfc_conv_function_call (gfc_se * se, gfc_symbol * sym,
}
}
- /* If an optional argument is itself an optional dummy argument,
- check its presence and substitute a null if absent. */
- if (e && e->expr_type == EXPR_VARIABLE
- && e->symtree->n.sym->attr.optional
- && fsym && fsym->attr.optional)
- gfc_conv_missing_dummy (&parmse, e, fsym->ts);
-
- if (fsym && need_interface_mapping)
- gfc_add_interface_mapping (&mapping, fsym, &parmse);
+ if (fsym)
+ {
+ if (e)
+ {
+ /* If an optional argument is itself an optional dummy
+ argument, check its presence and substitute a null
+ if absent. */
+ if (e->expr_type == EXPR_VARIABLE
+ && e->symtree->n.sym->attr.optional
+ && fsym->attr.optional)
+ gfc_conv_missing_dummy (&parmse, e, fsym->ts);
+
+ /* If an INTENT(OUT) dummy of derived type has a default
+ initializer, it must be (re)initialized here. */
+ if (fsym->attr.intent == INTENT_OUT
+ && fsym->ts.type == BT_DERIVED
+ && fsym->value)
+ {
+ gcc_assert (!fsym->attr.allocatable);
+ tmp = gfc_trans_assignment (e, fsym->value);
+ gfc_add_expr_to_block (&se->pre, tmp);
+ }
- gfc_add_block_to_block (&se->pre, &parmse.pre);
- gfc_add_block_to_block (&post, &parmse.post);
+ /* Obtain the character length of an assumed character
+ length procedure from the typespec. */
+ if (fsym->ts.type == BT_CHARACTER
+ && parmse.string_length == NULL_TREE
+ && e->ts.type == BT_PROCEDURE
+ && e->symtree->n.sym->ts.type == BT_CHARACTER
+ && e->symtree->n.sym->ts.cl->length != NULL)
+ {
+ gfc_conv_const_charlen (e->symtree->n.sym->ts.cl);
+ parmse.string_length
+ = e->symtree->n.sym->ts.cl->backend_decl;
+ }
+ }
- /* If an INTENT(OUT) dummy of derived type has a default
- initializer, it must be (re)initialized here. */
- if (fsym && fsym->attr.intent == INTENT_OUT && fsym->ts.type == BT_DERIVED
- && fsym->value)
- {
- gcc_assert (!fsym->attr.allocatable);
- tmp = gfc_trans_assignment (e, fsym->value);
- gfc_add_expr_to_block (&se->pre, tmp);
+ if (need_interface_mapping)
+ gfc_add_interface_mapping (&mapping, fsym, &parmse);
}
- if (fsym && fsym->ts.type == BT_CHARACTER
- && parmse.string_length == NULL_TREE
- && e->ts.type == BT_PROCEDURE
- && e->symtree->n.sym->ts.type == BT_CHARACTER
- && e->symtree->n.sym->ts.cl->length != NULL)
- {
- gfc_conv_const_charlen (e->symtree->n.sym->ts.cl);
- parmse.string_length = e->symtree->n.sym->ts.cl->backend_decl;
- }
+ gfc_add_block_to_block (&se->pre, &parmse.pre);
+ gfc_add_block_to_block (&post, &parmse.post);
/* Character strings are passed as two parameters, a length and a
pointer. */