intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 77 insertions, 0 deletions

diff --git a/contrib/libs/hyperscan/src/util/logical.h b/contrib/libs/hyperscan/src/util/logical.h
new file mode 100644
index 0000000000..0c8b6469aa
--- /dev/null
+++ b/contrib/libs/hyperscan/src/util/logical.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2018, Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  * Neither the name of Intel Corporation nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** \file
+ * \brief Inline functions for manipulating logical combinations.
+ */
+
+#ifndef LOGICAL_H
+#define LOGICAL_H
+
+#include "ue2common.h"
+
+/** Index meaning a given logical key is invalid. */
+#define INVALID_LKEY    (~(u32)0)
+#define INVALID_CKEY    INVALID_LKEY
+
+/** Logical operation type, the priority is from high to low. */
+enum LogicalOpType {
+    LOGICAL_OP_NOT,
+    LOGICAL_OP_AND,
+    LOGICAL_OP_OR,
+    LAST_LOGICAL_OP =  LOGICAL_OP_OR //!< Sentinel.
+};
+
+#define UNKNOWN_OP      (~(u32)0)
+
+/** Logical Operation is consist of 4 parts. */
+struct LogicalOp {
+    u32 id; //!< logical operator/operation id
+    u32 op; //!< LogicalOpType
+    u32 lo; //!< left operand
+    u32 ro; //!< right operand
+};
+
+/** Each logical combination has its info:
+ * It occupies a region in LogicalOp vector.
+ * It has an exhaustion key for single-match mode. */
+struct CombInfo {
+    u32 id;
+    u32 ekey; //!< exhaustion key
+    u32 start; //!< ckey of logical operation to start calculating
+    u32 result; //!< ckey of logical operation to give final result
+    u64a min_offset;
+    u64a max_offset;
+};
+
+/** Temporarily use to seperate operations' id from reports' lkey
+  * when building logicalTree in shunting yard algorithm,
+  * operations' id will be finally renumbered following reports' lkey. */
+#define LOGICAL_OP_BIT 0x80000000UL
+
+#endif