void
gfc_conv_constant (gfc_se * se, gfc_expr * expr)
{
gfc_ss *ss;
/* We may be receiving an expression for C_NULL_PTR or C_NULL_FUNPTR. If
so, the expr_type will not yet be an EXPR_CONSTANT. We need to make
it so here. */
if (expr->ts.type == BT_DERIVED && expr->ts.u.derived
&& expr->ts.u.derived->attr.is_iso_c)
{
if (expr->symtree->n.sym->intmod_sym_id == ISOCBINDING_NULL_PTR
|| expr->symtree->n.sym->intmod_sym_id == ISOCBINDING_NULL_FUNPTR)
{
/* Create a new EXPR_CONSTANT expression for our local uses. */
expr = gfc_get_int_expr (gfc_default_integer_kind, NULL, 0);
}
}
if (expr->expr_type != EXPR_CONSTANT)
{
gfc_expr *e = gfc_get_int_expr (gfc_default_integer_kind, NULL, 0);
gfc_error ("non-constant initialization expression at %L", &expr->where);
se->expr = gfc_conv_constant_to_tree (e);
return;
}
ss = se->ss;
if (ss != NULL)
{
gfc_ss_info *ss_info;
ss_info = ss->info;
gcc_assert (ss != gfc_ss_terminator);
gcc_assert (ss_info->type == GFC_SS_SCALAR);
gcc_assert (ss_info->expr == expr);
se->expr = ss_info->data.scalar.value;
se->string_length = ss_info->string_length;
gfc_advance_se_ss_chain (se);
return;
}
/* Translate the constant and put it in the simplifier structure. */
se->expr = gfc_conv_constant_to_tree (expr);
/* If this is a CHARACTER string, set its length in the simplifier
structure, too. */
if (expr->ts.type == BT_CHARACTER)
se->string_length = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (se->expr)));
}
void
gfc_conv_constant (gfc_se * se, gfc_expr * expr)
{
gcc_assert (expr->expr_type == EXPR_CONSTANT);
if (se->ss != NULL)
{
gcc_assert (se->ss != gfc_ss_terminator);
gcc_assert (se->ss->type == GFC_SS_SCALAR);
gcc_assert (se->ss->expr == expr);
se->expr = se->ss->data.scalar.expr;
se->string_length = se->ss->string_length;
gfc_advance_se_ss_chain (se);
return;
}
/* Translate the constant and put it in the simplifier structure. */
se->expr = gfc_conv_constant_to_tree (expr);
/* If this is a CHARACTER string, set its length in the simplifier
structure, too. */
if (expr->ts.type == BT_CHARACTER)
se->string_length = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (se->expr)));
}