Librarify filter in liblttng-ctl and hide symbols

[lttng-tools.git] / src / lib / lttng-ctl / filter-visitor-ir-check-binary-op-nesting.c

diff --git a/src/lib/lttng-ctl/filter-visitor-ir-check-binary-op-nesting.c b/src/lib/lttng-ctl/filter-visitor-ir-check-binary-op-nesting.c
deleted file mode 100644 (file)
index 08488de..0000000
--- a/src/lib/lttng-ctl/filter-visitor-ir-check-binary-op-nesting.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * filter-visitor-ir-check-binary-op-nesting.c
- *
- * LTTng filter IR check binary op nesting
- *
- * Copyright 2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <errno.h>
-#include <inttypes.h>
-#include "filter-ast.h"
-#include "filter-parser.h"
-#include "filter-ir.h"
-
-static
-int check_bin_op_nesting_recursive(struct ir_op *node, int nesting)
-{
-       switch (node->op) {
-       case IR_OP_UNKNOWN:
-       default:
-               fprintf(stderr, "[error] %s: unknown op type\n", __func__);
-               return -EINVAL;
-
-       case IR_OP_ROOT:
-               return check_bin_op_nesting_recursive(node->u.root.child,
-                               nesting);
-       case IR_OP_LOAD:
-               return 0;
-       case IR_OP_UNARY:
-               return check_bin_op_nesting_recursive(node->u.unary.child,
-                               nesting);
-       case IR_OP_BINARY:
-       {
-               int ret;
-
-               if (nesting > 0) {
-                       fprintf(stderr, "[error] Nesting of binary operators is not allowed, except for logical operators.\n");
-                       return -EINVAL;
-               }
-               ret = check_bin_op_nesting_recursive(node->u.binary.left,
-                               nesting++);
-               if (ret)
-                       return ret;
-               return check_bin_op_nesting_recursive(node->u.binary.right,
-                               nesting++);
-       }
-       case IR_OP_LOGICAL:
-       {
-               int ret;
-
-               ret = check_bin_op_nesting_recursive(node->u.logical.left,
-                               nesting);
-               if (ret)
-                       return ret;
-               return check_bin_op_nesting_recursive(node->u.logical.right,
-                               nesting);
-       }
-       }
-}
-
-int filter_visitor_ir_check_binary_op_nesting(struct filter_parser_ctx *ctx)
-{
-       return check_bin_op_nesting_recursive(ctx->ir_root, 0);
-}