void
gfc_trans_runtime_check (bool error, bool once, tree cond, stmtblock_t * pblock,
locus * where, const char * msgid, ...)
{
va_list ap;
stmtblock_t block;
tree body;
tree tmp;
tree tmpvar = NULL;
if (integer_zerop (cond))
return;
if (once)
{
tmpvar = gfc_create_var (boolean_type_node, "print_warning");
TREE_STATIC (tmpvar) = 1;
DECL_INITIAL (tmpvar) = boolean_true_node;
gfc_add_expr_to_block (pblock, tmpvar);
}
gfc_start_block (&block);
/* The code to generate the error. */
va_start (ap, msgid);
gfc_add_expr_to_block (&block,
trans_runtime_error_vararg (error, where,
msgid, ap));
if (once)
gfc_add_modify (&block, tmpvar, boolean_false_node);
body = gfc_finish_block (&block);
if (integer_onep (cond))
{
gfc_add_expr_to_block (pblock, body);
}
else
{
/* Tell the compiler that this isn't likely. */
if (once)
cond = fold_build2_loc (where->lb->location, TRUTH_AND_EXPR,
long_integer_type_node, tmpvar, cond);
else
cond = fold_convert (long_integer_type_node, cond);
tmp = build_int_cst (long_integer_type_node, 0);
cond = build_call_expr_loc (where->lb->location,
built_in_decls[BUILT_IN_EXPECT], 2, cond, tmp);
cond = fold_convert (boolean_type_node, cond);
tmp = fold_build3_loc (where->lb->location, COND_EXPR, void_type_node,
cond, body,
build_empty_stmt (where->lb->location));
gfc_add_expr_to_block (pblock, tmp);
}
}
tree
gfc_trans_runtime_error (bool error, locus* where, const char* msgid, ...)
{
va_list ap;
tree result;
va_start (ap, msgid);
result = trans_runtime_error_vararg (error, where, msgid, ap);
va_end (ap);
return result;
}