tamarama: add container engine for exclusive nfas

Add the new Tamarama engine that acts as a container for infix/suffix
engines that can be proven to run exclusively of one another.

This reduces stream state for pattern sets with many exclusive engines.

src/nfa/tamarama.h

@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+#ifndef TAMARAMA_H
+#define TAMARAMA_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "callback.h"
+#include "ue2common.h"
+
+struct mq;
+struct NFA;
+struct hs_scratch;
+
+char nfaExecTamarama0_testEOD(const struct NFA *n, const char *state,
+                              const char *streamState, u64a offset,
+                              NfaCallback callback, SomNfaCallback som_cb,
+                              void *context);
+char nfaExecTamarama0_QR(const struct NFA *n, struct mq *q, ReportID report);
+char nfaExecTamarama0_reportCurrent(const struct NFA *n, struct mq *q);
+char nfaExecTamarama0_inAccept(const struct NFA *n, ReportID report,
+                               struct mq *q);
+char nfaExecTamarama0_inAnyAccept(const struct NFA *n, struct mq *q);
+char nfaExecTamarama0_queueInitState(const struct NFA *n, struct mq *q);
+char nfaExecTamarama0_queueCompressState(const struct NFA *n,
+                                         const struct mq *q,
+                                         s64a loc);
+char nfaExecTamarama0_expandState(const struct NFA *n, void *dest,
+                                  const void *src, u64a offset, u8 key);
+enum nfa_zombie_status nfaExecTamarama0_zombie_status(const struct NFA *n,
+                                                      struct mq *q, s64a loc);
+char nfaExecTamarama0_Q(const struct NFA *nfa, struct mq *q, s64a end);
+char nfaExecTamarama0_Q2(const struct NFA *nfa, struct mq *q, s64a end);
+
+// only used by outfix and miracles, no implementation for tamarama
+#define nfaExecTamarama0_initCompressedState NFA_API_NO_IMPL
+#define nfaExecTamarama0_B_Reverse NFA_API_NO_IMPL
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif