+++ /dev/null
-/*
- * filter-visitor-ir-check-binary-comparator.c
- *
- * LTTng filter IR check binary comparator
- *
- * Copyright 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- */
-
-#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_comparator(struct ir_op *node)
-{
- 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_comparator(node->u.root.child);
- case IR_OP_LOAD:
- return 0;
- case IR_OP_UNARY:
- return check_bin_comparator(node->u.unary.child);
- case IR_OP_BINARY:
- {
- int ret;
-
- if (node->u.binary.left->data_type == IR_DATA_STRING
- || node->u.binary.right->data_type
- == IR_DATA_STRING) {
- if (node->u.binary.type != AST_OP_EQ
- && node->u.binary.type != AST_OP_NE) {
- fprintf(stderr, "[error] Only '==' and '!=' comparators are allowed for strings\n");
- return -EINVAL;
- }
- }
-
- ret = check_bin_comparator(node->u.binary.left);
- if (ret)
- return ret;
- return check_bin_comparator(node->u.binary.right);
- }
- case IR_OP_LOGICAL:
- {
- int ret;
-
- ret = check_bin_comparator(node->u.logical.left);
- if (ret)
- return ret;
- return check_bin_comparator(node->u.logical.right);
- }
- }
-}
-
-int filter_visitor_ir_check_binary_comparator(struct filter_parser_ctx *ctx)
-{
- return check_bin_comparator(ctx->ir_root);
-}