mirror of https://github.com/pyodide/pyodide.git
30 lines
877 B
JavaScript
30 lines
877 B
JavaScript
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const fs = require("fs");
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const { execFileSync } = require("child_process");
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process.argv[2].split();
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const path = process.argv[2].split("/");
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const filename = path.pop().split(".")[0];
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process.chdir(path.join("/"));
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try {
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execFileSync("wat2wasms", [filename + ".wat", "--enable-all"]);
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} catch (e) {
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if (e.code === "ENOENT") {
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process.stderr.write(
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"assemble_wat.js: wat2wasm is not on path. " +
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"Please install the WebAssembly Binary Toolkit.\n",
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);
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process.stderr.write("Quitting.\n");
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process.exit(1);
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}
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throw e;
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}
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const f = fs.readFileSync(filename + ".wasm");
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fs.unlinkSync(filename + ".wasm");
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const s = Array.from(f, (x) => x.toString(16).padStart(2, "0")).join("");
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const output = `const ${filename}_wasm = decodeHexString("${s}");`;
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fs.writeFileSync(filename + ".wasm.gen.js", output);
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