[6a3a178] | 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.parse32F = parse32F;
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| 7 | exports.parse64F = parse64F;
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| 8 | exports.parse32I = parse32I;
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| 9 | exports.parseU32 = parseU32;
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| 10 | exports.parse64I = parse64I;
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| 11 | exports.isInfLiteral = isInfLiteral;
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| 12 | exports.isNanLiteral = isNanLiteral;
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| 13 |
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| 14 | var _long = _interopRequireDefault(require("@xtuc/long"));
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| 15 |
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| 16 | var _floatingPointHexParser = _interopRequireDefault(require("@webassemblyjs/floating-point-hex-parser"));
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| 17 |
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| 18 | var _helperApiError = require("@webassemblyjs/helper-api-error");
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| 19 |
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| 20 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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| 21 |
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| 22 | function parse32F(sourceString) {
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| 23 | if (isHexLiteral(sourceString)) {
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| 24 | return (0, _floatingPointHexParser.default)(sourceString);
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| 25 | }
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| 26 |
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| 27 | if (isInfLiteral(sourceString)) {
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| 28 | return sourceString[0] === "-" ? -1 : 1;
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| 29 | }
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| 30 |
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| 31 | if (isNanLiteral(sourceString)) {
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| 32 | return (sourceString[0] === "-" ? -1 : 1) * (sourceString.includes(":") ? parseInt(sourceString.substring(sourceString.indexOf(":") + 1), 16) : 0x400000);
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| 33 | }
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| 34 |
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| 35 | return parseFloat(sourceString);
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| 36 | }
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| 37 |
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| 38 | function parse64F(sourceString) {
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| 39 | if (isHexLiteral(sourceString)) {
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| 40 | return (0, _floatingPointHexParser.default)(sourceString);
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| 41 | }
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| 42 |
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| 43 | if (isInfLiteral(sourceString)) {
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| 44 | return sourceString[0] === "-" ? -1 : 1;
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| 45 | }
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| 46 |
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| 47 | if (isNanLiteral(sourceString)) {
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| 48 | return (sourceString[0] === "-" ? -1 : 1) * (sourceString.includes(":") ? parseInt(sourceString.substring(sourceString.indexOf(":") + 1), 16) : 0x8000000000000);
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| 49 | }
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| 50 |
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| 51 | if (isHexLiteral(sourceString)) {
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| 52 | return (0, _floatingPointHexParser.default)(sourceString);
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| 53 | }
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| 54 |
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| 55 | return parseFloat(sourceString);
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| 56 | }
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| 57 |
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| 58 | function parse32I(sourceString) {
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| 59 | var value = 0;
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| 60 |
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| 61 | if (isHexLiteral(sourceString)) {
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| 62 | value = ~~parseInt(sourceString, 16);
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| 63 | } else if (isDecimalExponentLiteral(sourceString)) {
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| 64 | throw new Error("This number literal format is yet to be implemented.");
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| 65 | } else {
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| 66 | value = parseInt(sourceString, 10);
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| 67 | }
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| 68 |
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| 69 | return value;
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| 70 | }
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| 71 |
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| 72 | function parseU32(sourceString) {
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| 73 | var value = parse32I(sourceString);
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| 74 |
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| 75 | if (value < 0) {
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| 76 | throw new _helperApiError.CompileError("Illegal value for u32: " + sourceString);
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| 77 | }
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| 78 |
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| 79 | return value;
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| 80 | }
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| 81 |
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| 82 | function parse64I(sourceString) {
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| 83 | var long;
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| 84 |
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| 85 | if (isHexLiteral(sourceString)) {
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| 86 | long = _long.default.fromString(sourceString, false, 16);
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| 87 | } else if (isDecimalExponentLiteral(sourceString)) {
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| 88 | throw new Error("This number literal format is yet to be implemented.");
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| 89 | } else {
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| 90 | long = _long.default.fromString(sourceString);
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| 91 | }
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| 92 |
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| 93 | return {
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| 94 | high: long.high,
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| 95 | low: long.low
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| 96 | };
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| 97 | }
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| 98 |
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| 99 | var NAN_WORD = /^\+?-?nan/;
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| 100 | var INF_WORD = /^\+?-?inf/;
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| 101 |
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| 102 | function isInfLiteral(sourceString) {
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| 103 | return INF_WORD.test(sourceString.toLowerCase());
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| 104 | }
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| 105 |
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| 106 | function isNanLiteral(sourceString) {
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| 107 | return NAN_WORD.test(sourceString.toLowerCase());
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| 108 | }
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| 109 |
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| 110 | function isDecimalExponentLiteral(sourceString) {
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| 111 | return !isHexLiteral(sourceString) && sourceString.toUpperCase().includes("E");
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| 112 | }
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| 113 |
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| 114 | function isHexLiteral(sourceString) {
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| 115 | return sourceString.substring(0, 2).toUpperCase() === "0X" || sourceString.substring(0, 3).toUpperCase() === "-0X";
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| 116 | } |
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