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| 1 | +signature module ModelPrintingLangSig { |
| 2 | + /** |
| 3 | + * A class of callables. |
| 4 | + */ |
| 5 | + class Callable; |
| 6 | + |
| 7 | + /** |
| 8 | + * Holds if `container`, `type`, `name`, and `parameters` contain the type signature of `api` |
| 9 | + * and `extensible` is the string representation of a boolean that is true, if |
| 10 | + * `api` can be overridden (otherwise false). |
| 11 | + */ |
| 12 | + predicate partialModel( |
| 13 | + Callable api, string container, string type, string extensible, string name, string parameters |
| 14 | + ); |
| 15 | +} |
| 16 | + |
| 17 | +module ModelPrintingImpl<ModelPrintingLangSig Lang> { |
| 18 | + signature module ModelPrintingSig { |
| 19 | + /** |
| 20 | + * The class of APIs relevant for model generation. |
| 21 | + */ |
| 22 | + class Api extends Lang::Callable { |
| 23 | + Lang::Callable lift(); |
| 24 | + } |
| 25 | + |
| 26 | + /** |
| 27 | + * Gets the string representation of the provenance of the models. |
| 28 | + */ |
| 29 | + string getProvenance(); |
| 30 | + } |
| 31 | + |
| 32 | + module ModelPrinting<ModelPrintingSig Printing> { |
| 33 | + /** |
| 34 | + * Computes the first 6 columns for MaD rows used for summaries, sources and sinks. |
| 35 | + */ |
| 36 | + private string asPartialModel(Printing::Api api) { |
| 37 | + exists(string container, string type, string extensible, string name, string parameters | |
| 38 | + Lang::partialModel(api.lift(), container, type, extensible, name, parameters) and |
| 39 | + result = |
| 40 | + container + ";" // |
| 41 | + + type + ";" // |
| 42 | + + extensible + ";" // |
| 43 | + + name + ";" // |
| 44 | + + parameters + ";" // |
| 45 | + + /* ext + */ ";" // |
| 46 | + ) |
| 47 | + } |
| 48 | + |
| 49 | + /** |
| 50 | + * Computes the first 4 columns for neutral MaD rows. |
| 51 | + */ |
| 52 | + private string asPartialNeutralModel(Printing::Api api) { |
| 53 | + exists(string container, string type, string name, string parameters | |
| 54 | + Lang::partialModel(api, container, type, _, name, parameters) and |
| 55 | + result = |
| 56 | + container + ";" // |
| 57 | + + type + ";" // |
| 58 | + + name + ";" // |
| 59 | + + parameters + ";" // |
| 60 | + ) |
| 61 | + } |
| 62 | + |
| 63 | + /** |
| 64 | + * Gets the summary model for `api` with `input`, `output` and `kind`. |
| 65 | + */ |
| 66 | + bindingset[input, output, kind] |
| 67 | + private string asSummaryModel(Printing::Api api, string input, string output, string kind) { |
| 68 | + result = |
| 69 | + asPartialModel(api) + input + ";" // |
| 70 | + + output + ";" // |
| 71 | + + kind + ";" // |
| 72 | + + Printing::getProvenance() |
| 73 | + } |
| 74 | + |
| 75 | + string asNeutralSummaryModel(Printing::Api api) { |
| 76 | + result = |
| 77 | + asPartialNeutralModel(api) // |
| 78 | + + "summary" + ";" // |
| 79 | + + Printing::getProvenance() |
| 80 | + } |
| 81 | + |
| 82 | + /** |
| 83 | + * Gets the value summary model for `api` with `input` and `output`. |
| 84 | + */ |
| 85 | + bindingset[input, output] |
| 86 | + string asValueModel(Printing::Api api, string input, string output) { |
| 87 | + result = asSummaryModel(api, input, output, "value") |
| 88 | + } |
| 89 | + |
| 90 | + /** |
| 91 | + * Gets the taint summary model for `api` with `input` and `output`. |
| 92 | + */ |
| 93 | + bindingset[input, output] |
| 94 | + string asTaintModel(Printing::Api api, string input, string output) { |
| 95 | + result = asSummaryModel(api, input, output, "taint") |
| 96 | + } |
| 97 | + |
| 98 | + /** |
| 99 | + * Gets the sink model for `api` with `input` and `kind`. |
| 100 | + */ |
| 101 | + bindingset[input, kind] |
| 102 | + string asSinkModel(Printing::Api api, string input, string kind) { |
| 103 | + result = |
| 104 | + asPartialModel(api) + input + ";" // |
| 105 | + + kind + ";" // |
| 106 | + + Printing::getProvenance() |
| 107 | + } |
| 108 | + |
| 109 | + /** |
| 110 | + * Gets the source model for `api` with `output` and `kind`. |
| 111 | + */ |
| 112 | + bindingset[output, kind] |
| 113 | + string asSourceModel(Printing::Api api, string output, string kind) { |
| 114 | + result = |
| 115 | + asPartialModel(api) + output + ";" // |
| 116 | + + kind + ";" // |
| 117 | + + Printing::getProvenance() |
| 118 | + } |
| 119 | + } |
| 120 | +} |
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