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denoland-deno/test_ffi/tests/test.js
Elias Sjögreen 33c8d790c3
feat: ffi to replace plugins (#11152)
This commit removes implementation of "native plugins" and replaces
it with FFI API.

Effectively "Deno.openPlugin" API was replaced with "Deno.dlopen" API.
2021-08-06 23:28:10 +02:00

33 lines
992 B
JavaScript

// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
// deno-lint-ignore-file
const targetDir = Deno.execPath().replace(/[^\/\\]+$/, "");
const [libPrefix, libSuffix] = {
darwin: ["lib", "dylib"],
linux: ["lib", "so"],
windows: ["", "dll"],
}[Deno.build.os];
const libPath = `${targetDir}/${libPrefix}test_ffi.${libSuffix}`;
const resourcesPre = Deno.resources();
const dylib = Deno.dlopen(libPath, {
"print_something": { parameters: [], result: "void" },
"add": { parameters: ["u32", "u32"], result: "u32" },
});
dylib.symbols.print_something();
console.log(dylib.symbols.add(123, 456));
dylib.close();
const resourcesPost = Deno.resources();
const preStr = JSON.stringify(resourcesPre, null, 2);
const postStr = JSON.stringify(resourcesPost, null, 2);
if (preStr !== postStr) {
throw new Error(
`Difference in open resources before dlopen and after closing:
Before: ${preStr}
After: ${postStr}`,
);
}
console.log("Correct number of resources");