| 1 | /* |
| 2 | * Copyright (c) 2015-2017, Intel Corporation |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * * Redistributions of source code must retain the above copyright notice, |
| 8 | * this list of conditions and the following disclaimer. |
| 9 | * * Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * * Neither the name of Intel Corporation nor the names of its contributors |
| 13 | * may be used to endorse or promote products derived from this software |
| 14 | * without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | * POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | /** \file |
| 30 | * \brief SOM ("Start of Match") analysis. |
| 31 | */ |
| 32 | |
| 33 | #ifndef NG_SOM_H |
| 34 | #define NG_SOM_H |
| 35 | |
| 36 | #include "som/som.h" |
| 37 | #include "ue2common.h" |
| 38 | |
| 39 | namespace ue2 { |
| 40 | |
| 41 | class ExpressionInfo; |
| 42 | class NG; |
| 43 | class NGHolder; |
| 44 | class ReportManager; |
| 45 | struct Grey; |
| 46 | |
| 47 | enum sombe_rv { |
| 48 | SOMBE_FAIL, |
| 49 | SOMBE_HANDLED_INTERNAL, |
| 50 | SOMBE_HANDLED_ALL |
| 51 | }; |
| 52 | |
| 53 | /** \brief Perform SOM analysis on the given graph. |
| 54 | * |
| 55 | * This function will replace report IDs and mutate the graph, then return |
| 56 | * SOMBE_HANDLED_INTERNAL if SOM can be established and the full graph still |
| 57 | * needs to be handled (rose, etc). |
| 58 | * |
| 59 | * Returns SOMBE_HANDLED_ALL if everything has been done and the pattern has |
| 60 | * been handled in all its glory. |
| 61 | * |
| 62 | * Returns SOMBE_FAIL and does not mutate the graph if SOM cannot be |
| 63 | * established. |
| 64 | * |
| 65 | * May throw a "Pattern too large" exception if prefixes of the |
| 66 | * pattern are too large to compile. |
| 67 | */ |
| 68 | sombe_rv doSom(NG &ng, NGHolder &h, const ExpressionInfo &expr, u32 comp_id, |
| 69 | som_type som); |
| 70 | |
| 71 | /** Returns SOMBE_FAIL (and the original graph) if SOM cannot be established. |
| 72 | * May also throw pattern too large if prefixes of the pattern are too large to |
| 73 | * compile. */ |
| 74 | sombe_rv doSomWithHaig(NG &ng, NGHolder &h, const ExpressionInfo &expr, |
| 75 | u32 comp_id, som_type som); |
| 76 | |
| 77 | void makeReportsSomPass(ReportManager &rm, NGHolder &g); |
| 78 | |
| 79 | } // namespace ue2 |
| 80 | |
| 81 | #endif // NG_SOM_H |
| 82 | |