1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.removeSections = removeSections;
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7 |
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8 | var _ast = require("@webassemblyjs/ast");
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9 |
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10 | var _helperBuffer = require("@webassemblyjs/helper-buffer");
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11 |
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12 | function removeSections(ast, uint8Buffer, section) {
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13 | var sectionMetadatas = (0, _ast.getSectionMetadatas)(ast, section);
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14 |
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15 | if (sectionMetadatas.length === 0) {
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16 | throw new Error("Section metadata not found");
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17 | }
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18 |
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19 | return sectionMetadatas.reverse().reduce(function (uint8Buffer, sectionMetadata) {
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20 | var startsIncludingId = sectionMetadata.startOffset - 1;
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21 | var ends = section === "start" ? sectionMetadata.size.loc.end.column + 1 : sectionMetadata.startOffset + sectionMetadata.size.value + 1;
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22 | var delta = -(ends - startsIncludingId);
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23 | |
24 |
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25 |
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26 |
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27 |
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28 | var encounteredSection = false;
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29 | (0, _ast.traverse)(ast, {
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30 | SectionMetadata: function SectionMetadata(path) {
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31 | if (path.node.section === section) {
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32 | encounteredSection = true;
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33 | return path.remove();
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34 | }
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35 |
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36 | if (encounteredSection === true) {
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37 | (0, _ast.shiftSection)(ast, path.node, delta);
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38 | }
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39 | }
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40 | });
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41 |
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42 | var replacement = [];
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43 | return (0, _helperBuffer.overrideBytesInBuffer)(uint8Buffer, startsIncludingId, ends, replacement);
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44 | }, uint8Buffer);
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45 | } |
\ | No newline at end of file |