BadVPN – Blame information for rev 1
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1 | office | 1 | /** |
2 | * @file NCDEvaluator.h |
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3 | * @author Ambroz Bizjak <ambrop7@gmail.com> |
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4 | * |
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5 | * @section LICENSE |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions are met: |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * 2. Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * 3. Neither the name of the author nor the |
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15 | * names of its contributors may be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
30 | #ifndef BADVPN_NCDEVALUATOR_H |
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31 | #define BADVPN_NCDEVALUATOR_H |
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32 | |||
33 | #include <stddef.h> |
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34 | |||
35 | #include <misc/debug.h> |
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36 | #include <structure/Vector.h> |
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37 | #include <ncd/NCDAst.h> |
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38 | #include <ncd/NCDStringIndex.h> |
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39 | #include <ncd/NCDVal.h> |
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40 | |||
41 | struct NCDEvaluator__Expr { |
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42 | NCDValMem mem; |
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43 | NCDValSafeRef ref; |
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44 | NCDValReplaceProg prog; |
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45 | }; |
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46 | |||
47 | struct NCDEvaluator__Var { |
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48 | NCD_string_id_t *varnames; |
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49 | size_t num_names; |
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50 | }; |
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51 | |||
52 | #include "NCDEvaluator_var_vec.h" |
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53 | #include <structure/Vector_decl.h> |
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54 | |||
55 | struct NCDEvaluator__Call { |
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56 | NCD_string_id_t func_name_id; |
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57 | struct NCDEvaluator__Expr *args; |
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58 | size_t num_args; |
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59 | }; |
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60 | |||
61 | #include "NCDEvaluator_call_vec.h" |
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62 | #include <structure/Vector_decl.h> |
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63 | |||
64 | struct NCDEvaluator__eval_context; |
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65 | |||
66 | typedef struct { |
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67 | NCDStringIndex *string_index; |
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68 | NCDEvaluator__VarVec vars; |
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69 | NCDEvaluator__CallVec calls; |
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70 | } NCDEvaluator; |
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71 | |||
72 | typedef struct { |
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73 | struct NCDEvaluator__Expr expr; |
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74 | } NCDEvaluatorExpr; |
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75 | |||
76 | typedef struct { |
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77 | struct NCDEvaluator__eval_context const *context; |
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78 | int call_index; |
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79 | } NCDEvaluatorArgs; |
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80 | |||
81 | typedef struct { |
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82 | void *user; |
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83 | int (*func_eval_var) (void *user, NCD_string_id_t const *varnames, size_t num_names, NCDValMem *mem, NCDValRef *out); |
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84 | int (*func_eval_call) (void *user, NCD_string_id_t func_name_id, NCDEvaluatorArgs args, NCDValMem *mem, NCDValRef *out); |
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85 | } NCDEvaluator_EvalFuncs; |
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86 | |||
87 | int NCDEvaluator_Init (NCDEvaluator *o, NCDStringIndex *string_index) WARN_UNUSED; |
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88 | void NCDEvaluator_Free (NCDEvaluator *o); |
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89 | int NCDEvaluatorExpr_Init (NCDEvaluatorExpr *o, NCDEvaluator *eval, NCDValue *value) WARN_UNUSED; |
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90 | void NCDEvaluatorExpr_Free (NCDEvaluatorExpr *o); |
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91 | int NCDEvaluatorExpr_Eval (NCDEvaluatorExpr *o, NCDEvaluator *eval, NCDEvaluator_EvalFuncs const *funcs, NCDValMem *out_newmem, NCDValRef *out_val) WARN_UNUSED; |
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92 | size_t NCDEvaluatorArgs_Count (NCDEvaluatorArgs *o); |
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93 | int NCDEvaluatorArgs_EvalArg (NCDEvaluatorArgs *o, size_t index, NCDValMem *mem, NCDValRef *out_ref) WARN_UNUSED; |
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94 | int NCDEvaluatorArgs_EvalArgNewMem (NCDEvaluatorArgs *o, size_t index, NCDValMem *out_newmem, NCDValRef *out_ref) WARN_UNUSED; |
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95 | |||
96 | #endif |