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-rw-r--r--node_modules/webpack/lib/wasm/WebAssemblyParser.js175
1 files changed, 0 insertions, 175 deletions
diff --git a/node_modules/webpack/lib/wasm/WebAssemblyParser.js b/node_modules/webpack/lib/wasm/WebAssemblyParser.js
deleted file mode 100644
index eb49fb1..0000000
--- a/node_modules/webpack/lib/wasm/WebAssemblyParser.js
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
-*/
-"use strict";
-
-const t = require("@webassemblyjs/ast");
-const { decode } = require("@webassemblyjs/wasm-parser");
-const {
- moduleContextFromModuleAST
-} = require("@webassemblyjs/helper-module-context");
-
-const { Tapable } = require("tapable");
-const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
-const WebAssemblyExportImportedDependency = require("../dependencies/WebAssemblyExportImportedDependency");
-
-/** @typedef {import("../Module")} Module */
-
-const JS_COMPAT_TYPES = new Set(["i32", "f32", "f64"]);
-
-/**
- * @param {t.Signature} signature the func signature
- * @returns {null | string} the type incompatible with js types
- */
-const getJsIncompatibleType = signature => {
- for (const param of signature.params) {
- if (!JS_COMPAT_TYPES.has(param.valtype)) {
- return `${param.valtype} as parameter`;
- }
- }
- for (const type of signature.results) {
- if (!JS_COMPAT_TYPES.has(type)) return `${type} as result`;
- }
- return null;
-};
-
-/**
- * TODO why are there two different Signature types?
- * @param {t.FuncSignature} signature the func signature
- * @returns {null | string} the type incompatible with js types
- */
-const getJsIncompatibleTypeOfFuncSignature = signature => {
- for (const param of signature.args) {
- if (!JS_COMPAT_TYPES.has(param)) {
- return `${param} as parameter`;
- }
- }
- for (const type of signature.result) {
- if (!JS_COMPAT_TYPES.has(type)) return `${type} as result`;
- }
- return null;
-};
-
-const decoderOpts = {
- ignoreCodeSection: true,
- ignoreDataSection: true,
-
- // this will avoid having to lookup with identifiers in the ModuleContext
- ignoreCustomNameSection: true
-};
-
-class WebAssemblyParser extends Tapable {
- constructor(options) {
- super();
- this.hooks = {};
- this.options = options;
- }
-
- parse(binary, state) {
- // flag it as ESM
- state.module.buildMeta.exportsType = "namespace";
-
- // parse it
- const program = decode(binary, decoderOpts);
- const module = program.body[0];
-
- const moduleContext = moduleContextFromModuleAST(module);
-
- // extract imports and exports
- const exports = (state.module.buildMeta.providedExports = []);
- const jsIncompatibleExports = (state.module.buildMeta.jsIncompatibleExports = []);
-
- const importedGlobals = [];
- t.traverse(module, {
- ModuleExport({ node }) {
- const descriptor = node.descr;
-
- if (descriptor.exportType === "Func") {
- const funcidx = descriptor.id.value;
-
- /** @type {t.FuncSignature} */
- const funcSignature = moduleContext.getFunction(funcidx);
-
- const incompatibleType = getJsIncompatibleTypeOfFuncSignature(
- funcSignature
- );
-
- if (incompatibleType) {
- jsIncompatibleExports[node.name] = incompatibleType;
- }
- }
-
- exports.push(node.name);
-
- if (node.descr && node.descr.exportType === "Global") {
- const refNode = importedGlobals[node.descr.id.value];
- if (refNode) {
- const dep = new WebAssemblyExportImportedDependency(
- node.name,
- refNode.module,
- refNode.name,
- refNode.descr.valtype
- );
-
- state.module.addDependency(dep);
- }
- }
- },
-
- Global({ node }) {
- const init = node.init[0];
-
- let importNode = null;
-
- if (init.id === "get_global") {
- const globalIdx = init.args[0].value;
-
- if (globalIdx < importedGlobals.length) {
- importNode = importedGlobals[globalIdx];
- }
- }
-
- importedGlobals.push(importNode);
- },
-
- ModuleImport({ node }) {
- /** @type {false | string} */
- let onlyDirectImport = false;
-
- if (t.isMemory(node.descr) === true) {
- onlyDirectImport = "Memory";
- } else if (t.isTable(node.descr) === true) {
- onlyDirectImport = "Table";
- } else if (t.isFuncImportDescr(node.descr) === true) {
- const incompatibleType = getJsIncompatibleType(node.descr.signature);
- if (incompatibleType) {
- onlyDirectImport = `Non-JS-compatible Func Sigurature (${incompatibleType})`;
- }
- } else if (t.isGlobalType(node.descr) === true) {
- const type = node.descr.valtype;
- if (!JS_COMPAT_TYPES.has(type)) {
- onlyDirectImport = `Non-JS-compatible Global Type (${type})`;
- }
- }
-
- const dep = new WebAssemblyImportDependency(
- node.module,
- node.name,
- node.descr,
- onlyDirectImport
- );
-
- state.module.addDependency(dep);
-
- if (t.isGlobalType(node.descr)) {
- importedGlobals.push(node);
- }
- }
- });
-
- return state;
- }
-}
-
-module.exports = WebAssemblyParser;