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authorlittleblack111 <littleblack11111@gmail.com>2023-11-05 17:16:09 +0800
committerlittleblack111 <littleblack11111@gmail.com>2023-11-05 17:16:09 +0800
commitd1d9f00b1bd660842addf5e6b1d1b64c852a9eea (patch)
tree60fb37ae73a1109d95301de5ec9b61b5726a4b61 /node_modules/webpack/lib/wasm-async/AsyncWebAssemblyParser.js
parent7c85166c4cbdd862fc4252007d2df5befcbc2a58 (diff)
added hover prefixer
Diffstat (limited to 'node_modules/webpack/lib/wasm-async/AsyncWebAssemblyParser.js')
-rw-r--r--node_modules/webpack/lib/wasm-async/AsyncWebAssemblyParser.js82
1 files changed, 82 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/wasm-async/AsyncWebAssemblyParser.js b/node_modules/webpack/lib/wasm-async/AsyncWebAssemblyParser.js
new file mode 100644
index 00000000..4a9632cb
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+++ b/node_modules/webpack/lib/wasm-async/AsyncWebAssemblyParser.js
@@ -0,0 +1,82 @@
+/*
+ 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 Parser = require("../Parser");
+const StaticExportsDependency = require("../dependencies/StaticExportsDependency");
+const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
+
+/** @typedef {import("../Module").BuildInfo} BuildInfo */
+/** @typedef {import("../Module").BuildMeta} BuildMeta */
+/** @typedef {import("../Parser").ParserState} ParserState */
+/** @typedef {import("../Parser").PreparsedAst} PreparsedAst */
+
+const decoderOpts = {
+ ignoreCodeSection: true,
+ ignoreDataSection: true,
+
+ // this will avoid having to lookup with identifiers in the ModuleContext
+ ignoreCustomNameSection: true
+};
+
+class WebAssemblyParser extends Parser {
+ /**
+ * @param {{}=} options parser options
+ */
+ constructor(options) {
+ super();
+ this.hooks = Object.freeze({});
+ this.options = options;
+ }
+
+ /**
+ * @param {string | Buffer | PreparsedAst} source the source to parse
+ * @param {ParserState} state the parser state
+ * @returns {ParserState} the parser state
+ */
+ parse(source, state) {
+ if (!Buffer.isBuffer(source)) {
+ throw new Error("WebAssemblyParser input must be a Buffer");
+ }
+
+ // flag it as async module
+ const buildInfo = /** @type {BuildInfo} */ (state.module.buildInfo);
+ buildInfo.strict = true;
+ const BuildMeta = /** @type {BuildMeta} */ (state.module.buildMeta);
+ BuildMeta.exportsType = "namespace";
+ BuildMeta.async = true;
+
+ // parse it
+ const program = decode(source, decoderOpts);
+ const module = program.body[0];
+ /** @type {Array<string>} */
+ const exports = [];
+ t.traverse(module, {
+ ModuleExport({ node }) {
+ exports.push(node.name);
+ },
+
+ ModuleImport({ node }) {
+ const dep = new WebAssemblyImportDependency(
+ node.module,
+ node.name,
+ node.descr,
+ false
+ );
+
+ state.module.addDependency(dep);
+ }
+ });
+
+ state.module.addDependency(new StaticExportsDependency(exports, false));
+
+ return state;
+ }
+}
+
+module.exports = WebAssemblyParser;