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frontend/node_modules/@webassemblyjs/wasm-gen/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Sven Sauleau <sven@sauleau.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

frontend/node_modules/@webassemblyjs/wasm-gen/esm/encoder/index.js

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+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
+
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+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 _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
+
+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 * as leb from "@webassemblyjs/leb128";
+import * as ieee754 from "@webassemblyjs/ieee754";
+import * as utf8 from "@webassemblyjs/utf8";
+import constants from "@webassemblyjs/helper-wasm-bytecode";
+import { encodeNode } from "../index";
+
+function assertNotIdentifierNode(n) {
+  if (n.type === "Identifier") {
+    throw new Error("Unsupported node Identifier");
+  }
+}
+
+export function encodeVersion(v) {
+  var bytes = constants.moduleVersion;
+  bytes[0] = v;
+  return bytes;
+}
+export function encodeHeader() {
+  return constants.magicModuleHeader;
+}
+export function encodeU32(v) {
+  var uint8view = new Uint8Array(leb.encodeU32(v));
+
+  var array = _toConsumableArray(uint8view);
+
+  return array;
+}
+export function encodeI32(v) {
+  var uint8view = new Uint8Array(leb.encodeI32(v));
+
+  var array = _toConsumableArray(uint8view);
+
+  return array;
+}
+export function encodeI64(v) {
+  var uint8view = new Uint8Array(leb.encodeI64(v));
+
+  var array = _toConsumableArray(uint8view);
+
+  return array;
+}
+export function encodeVec(elements) {
+  var size = encodeU32(elements.length);
+  return [].concat(_toConsumableArray(size), _toConsumableArray(elements));
+}
+export function encodeValtype(v) {
+  var _byte = constants.valtypesByString[v];
+
+  if (typeof _byte === "undefined") {
+    throw new Error("Unknown valtype: " + v);
+  }
+
+  return parseInt(_byte, 10);
+}
+export function encodeMutability(v) {
+  var _byte2 = constants.globalTypesByString[v];
+
+  if (typeof _byte2 === "undefined") {
+    throw new Error("Unknown mutability: " + v);
+  }
+
+  return parseInt(_byte2, 10);
+}
+export function encodeUTF8Vec(str) {
+  return encodeVec(utf8.encode(str));
+}
+export function encodeLimits(n) {
+  var out = [];
+
+  if (typeof n.max === "number") {
+    out.push(0x01);
+    out.push.apply(out, _toConsumableArray(encodeU32(n.min))); // $FlowIgnore: ensured by the typeof
+
+    out.push.apply(out, _toConsumableArray(encodeU32(n.max)));
+  } else {
+    out.push(0x00);
+    out.push.apply(out, _toConsumableArray(encodeU32(n.min)));
+  }
+
+  return out;
+}
+export function encodeModuleImport(n) {
+  var out = [];
+  out.push.apply(out, _toConsumableArray(encodeUTF8Vec(n.module)));
+  out.push.apply(out, _toConsumableArray(encodeUTF8Vec(n.name)));
+
+  switch (n.descr.type) {
+    case "GlobalType":
+      {
+        out.push(0x03); // $FlowIgnore: GlobalType ensure that these props exists
+
+        out.push(encodeValtype(n.descr.valtype)); // $FlowIgnore: GlobalType ensure that these props exists
+
+        out.push(encodeMutability(n.descr.mutability));
+        break;
+      }
+
+    case "Memory":
+      {
+        out.push(0x02); // $FlowIgnore
+
+        out.push.apply(out, _toConsumableArray(encodeLimits(n.descr.limits)));
+        break;
+      }
+
+    case "Table":
+      {
+        out.push(0x01);
+        out.push(0x70); // element type
+        // $FlowIgnore
+
+        out.push.apply(out, _toConsumableArray(encodeLimits(n.descr.limits)));
+        break;
+      }
+
+    case "FuncImportDescr":
+      {
+        out.push(0x00); // $FlowIgnore
+
+        assertNotIdentifierNode(n.descr.id); // $FlowIgnore
+
+        out.push.apply(out, _toConsumableArray(encodeU32(n.descr.id.value)));
+        break;
+      }
+
+    default:
+      throw new Error("Unsupport operation: encode module import of type: " + n.descr.type);
+  }
+
+  return out;
+}
+export function encodeSectionMetadata(n) {
+  var out = [];
+  var sectionId = constants.sections[n.section];
+
+  if (typeof sectionId === "undefined") {
+    throw new Error("Unknown section: " + n.section);
+  }
+
+  if (n.section === "start") {
+    /**
+     * This is not implemented yet because it's a special case which
+     * doesn't have a vector in its section.
+     */
+    throw new Error("Unsupported section encoding of type start");
+  }
+
+  out.push(sectionId);
+  out.push.apply(out, _toConsumableArray(encodeU32(n.size.value)));
+  out.push.apply(out, _toConsumableArray(encodeU32(n.vectorOfSize.value)));
+  return out;
+}
+export function encodeCallInstruction(n) {
+  var out = [];
+  assertNotIdentifierNode(n.index);
+  out.push(0x10); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.index.value)));
+  return out;
+}
+export function encodeCallIndirectInstruction(n) {
+  var out = []; // $FlowIgnore
+
+  assertNotIdentifierNode(n.index);
+  out.push(0x11); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.index.value))); // add a reserved byte
+
+  out.push(0x00);
+  return out;
+}
+export function encodeModuleExport(n) {
+  var out = [];
+  assertNotIdentifierNode(n.descr.id);
+  var exportTypeByteString = constants.exportTypesByName[n.descr.exportType];
+
+  if (typeof exportTypeByteString === "undefined") {
+    throw new Error("Unknown export of type: " + n.descr.exportType);
+  }
+
+  var exportTypeByte = parseInt(exportTypeByteString, 10);
+  out.push.apply(out, _toConsumableArray(encodeUTF8Vec(n.name)));
+  out.push(exportTypeByte); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.descr.id.value)));
+  return out;
+}
+export function encodeTypeInstruction(n) {
+  var out = [0x60];
+  var params = n.functype.params.map(function (x) {
+    return x.valtype;
+  }).map(encodeValtype);
+  var results = n.functype.results.map(encodeValtype);
+  out.push.apply(out, _toConsumableArray(encodeVec(params)));
+  out.push.apply(out, _toConsumableArray(encodeVec(results)));
+  return out;
+}
+export function encodeInstr(n) {
+  var out = [];
+  var instructionName = n.id;
+
+  if (typeof n.object === "string") {
+    instructionName = "".concat(n.object, ".").concat(String(n.id));
+  }
+
+  var byteString = constants.symbolsByName[instructionName];
+
+  if (typeof byteString === "undefined") {
+    throw new Error("encodeInstr: unknown instruction " + JSON.stringify(instructionName));
+  }
+
+  var _byte3 = parseInt(byteString, 10);
+
+  out.push(_byte3);
+
+  if (n.args) {
+    n.args.forEach(function (arg) {
+      var encoder = encodeU32; // find correct encoder
+
+      if (n.object === "i32") {
+        encoder = encodeI32;
+      }
+
+      if (n.object === "i64") {
+        encoder = encodeI64;
+      }
+
+      if (n.object === "f32") {
+        encoder = ieee754.encodeF32;
+      }
+
+      if (n.object === "f64") {
+        encoder = ieee754.encodeF64;
+      }
+
+      if (arg.type === "NumberLiteral" || arg.type === "FloatLiteral" || arg.type === "LongNumberLiteral") {
+        // $FlowIgnore
+        out.push.apply(out, _toConsumableArray(encoder(arg.value)));
+      } else {
+        throw new Error("Unsupported instruction argument encoding " + JSON.stringify(arg.type));
+      }
+    });
+  }
+
+  return out;
+}
+
+function encodeExpr(instrs) {
+  var out = [];
+  instrs.forEach(function (instr) {
+    // $FlowIgnore
+    var n = encodeNode(instr);
+    out.push.apply(out, _toConsumableArray(n));
+  });
+  return out;
+}
+
+export function encodeStringLiteral(n) {
+  return encodeUTF8Vec(n.value);
+}
+export function encodeGlobal(n) {
+  var out = [];
+  var _n$globalType = n.globalType,
+      valtype = _n$globalType.valtype,
+      mutability = _n$globalType.mutability;
+  out.push(encodeValtype(valtype));
+  out.push(encodeMutability(mutability));
+  out.push.apply(out, _toConsumableArray(encodeExpr(n.init)));
+  return out;
+}
+export function encodeFuncBody(n) {
+  var out = [];
+  out.push(-1); // temporary function body size
+  // FIXME(sven): get the func locals?
+
+  var localBytes = encodeVec([]);
+  out.push.apply(out, _toConsumableArray(localBytes));
+  var funcBodyBytes = encodeExpr(n.body);
+  out[0] = funcBodyBytes.length + localBytes.length;
+  out.push.apply(out, _toConsumableArray(funcBodyBytes));
+  return out;
+}
+export function encodeIndexInFuncSection(n) {
+  assertNotIdentifierNode(n.index); // $FlowIgnore
+
+  return encodeU32(n.index.value);
+}
+export function encodeElem(n) {
+  var out = [];
+  assertNotIdentifierNode(n.table); // $FlowIgnore
+
+  out.push.apply(out, _toConsumableArray(encodeU32(n.table.value)));
+  out.push.apply(out, _toConsumableArray(encodeExpr(n.offset))); // $FlowIgnore
+
+  var funcs = n.funcs.reduce(function (acc, x) {
+    return [].concat(_toConsumableArray(acc), _toConsumableArray(encodeU32(x.value)));
+  }, []);
+  out.push.apply(out, _toConsumableArray(encodeVec(funcs)));
+  return out;
+}

frontend/node_modules/@webassemblyjs/wasm-gen/esm/index.js

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+import * as encoder from "./encoder";
+export function encodeNode(n) {
+  switch (n.type) {
+    case "ModuleImport":
+      // $FlowIgnore: ModuleImport ensure that the node is well formated
+      return encoder.encodeModuleImport(n);
+
+    case "SectionMetadata":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeSectionMetadata(n);
+
+    case "CallInstruction":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeCallInstruction(n);
+
+    case "CallIndirectInstruction":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeCallIndirectInstruction(n);
+
+    case "TypeInstruction":
+      return encoder.encodeTypeInstruction(n);
+
+    case "Instr":
+      // $FlowIgnore
+      return encoder.encodeInstr(n);
+
+    case "ModuleExport":
+      // $FlowIgnore: SectionMetadata ensure that the node is well formated
+      return encoder.encodeModuleExport(n);
+
+    case "Global":
+      // $FlowIgnore
+      return encoder.encodeGlobal(n);
+
+    case "Func":
+      return encoder.encodeFuncBody(n);
+
+    case "IndexInFuncSection":
+      return encoder.encodeIndexInFuncSection(n);
+
+    case "StringLiteral":
+      return encoder.encodeStringLiteral(n);
+
+    case "Elem":
+      return encoder.encodeElem(n);
+
+    default:
+      throw new Error("Unsupported encoding for node of type: " + JSON.stringify(n.type));
+  }
+}
+export var encodeU32 = encoder.encodeU32;

frontend/node_modules/@webassemblyjs/wasm-gen/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "@webassemblyjs/wasm-gen",
+  "version": "1.14.1",
+  "description": "WebAssembly binary format printer",
+  "main": "lib/index.js",
+  "module": "esm/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/xtuc/webassemblyjs.git"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "author": "Sven Sauleau",
+  "license": "MIT",
+  "dependencies": {
+    "@webassemblyjs/ast": "1.14.1",
+    "@webassemblyjs/helper-wasm-bytecode": "1.13.2",
+    "@webassemblyjs/ieee754": "1.13.2",
+    "@webassemblyjs/leb128": "1.13.2",
+    "@webassemblyjs/utf8": "1.13.2"
+  },
+  "gitHead": "25d52b1296e151ac56244a7c3886661e6b4a69ea"
+}