diff options
Diffstat (limited to 'node_modules/@webassemblyjs/wasm-edit/esm/index.js')
| -rw-r--r-- | node_modules/@webassemblyjs/wasm-edit/esm/index.js | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/node_modules/@webassemblyjs/wasm-edit/esm/index.js b/node_modules/@webassemblyjs/wasm-edit/esm/index.js deleted file mode 100644 index 347be0cd..00000000 --- a/node_modules/@webassemblyjs/wasm-edit/esm/index.js +++ /dev/null @@ -1,111 +0,0 @@ -function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; } - -function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } - -function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; } - -import { decode } from "@webassemblyjs/wasm-parser"; -import { traverse } from "@webassemblyjs/ast"; -import { cloneNode } from "@webassemblyjs/ast/lib/clone"; -import { shrinkPaddedLEB128 } from "@webassemblyjs/wasm-opt"; -import { getSectionForNode } from "@webassemblyjs/helper-wasm-bytecode"; -import constants from "@webassemblyjs/helper-wasm-bytecode"; -import { applyOperations } from "./apply"; - -function hashNode(node) { - return JSON.stringify(node); -} - -function preprocess(ab) { - var optBin = shrinkPaddedLEB128(new Uint8Array(ab)); - return optBin.buffer; -} - -function sortBySectionOrder(nodes) { - var originalOrder = new Map(); - - var _iterator = _createForOfIteratorHelper(nodes), - _step; - - try { - for (_iterator.s(); !(_step = _iterator.n()).done;) { - var node = _step.value; - originalOrder.set(node, originalOrder.size); - } - } catch (err) { - _iterator.e(err); - } finally { - _iterator.f(); - } - - nodes.sort(function (a, b) { - var sectionA = getSectionForNode(a); - var sectionB = getSectionForNode(b); - var aId = constants.sections[sectionA]; - var bId = constants.sections[sectionB]; - - if (typeof aId !== "number" || typeof bId !== "number") { - throw new Error("Section id not found"); - } - - if (aId === bId) { - // $FlowIgnore originalOrder is filled for all nodes - return originalOrder.get(a) - originalOrder.get(b); - } - - return aId - bId; - }); -} - -export function edit(ab, visitors) { - ab = preprocess(ab); - var ast = decode(ab); - return editWithAST(ast, ab, visitors); -} -export function editWithAST(ast, ab, visitors) { - var operations = []; - var uint8Buffer = new Uint8Array(ab); - var nodeBefore; - - function before(type, path) { - nodeBefore = cloneNode(path.node); - } - - function after(type, path) { - if (path.node._deleted === true) { - operations.push({ - kind: "delete", - node: path.node - }); // $FlowIgnore - } else if (hashNode(nodeBefore) !== hashNode(path.node)) { - operations.push({ - kind: "update", - oldNode: nodeBefore, - node: path.node - }); - } - } - - traverse(ast, visitors, before, after); - uint8Buffer = applyOperations(ast, uint8Buffer, operations); - return uint8Buffer.buffer; -} -export function add(ab, newNodes) { - ab = preprocess(ab); - var ast = decode(ab); - return addWithAST(ast, ab, newNodes); -} -export function addWithAST(ast, ab, newNodes) { - // Sort nodes by insertion order - sortBySectionOrder(newNodes); - var uint8Buffer = new Uint8Array(ab); // Map node into operations - - var operations = newNodes.map(function (n) { - return { - kind: "add", - node: n - }; - }); - uint8Buffer = applyOperations(ast, uint8Buffer, operations); - return uint8Buffer.buffer; -}
\ No newline at end of file |
