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https://github.com/facebookarchive/prepack.git
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dd8c39ee19
Summary: Another installment in the quest to move all exported functions in src/methods behind interfaces. Closes https://github.com/facebook/prepack/pull/1172 Differential Revision: D6390760 Pulled By: hermanventer fbshipit-source-id: 3a7cf2d6efac1d5b54f6bb53ea7b23b877f137c0
80 lines
2.5 KiB
JavaScript
80 lines
2.5 KiB
JavaScript
/**
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* Copyright (c) 2017-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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/* @flow */
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import madge from "madge";
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import { exec } from "child_process";
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exec("flow check --profile", function(error, stdout, stderr) {
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error;
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stdout;
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/*
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pattern format:
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...
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cycle detected among the following files:
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file1
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file2
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...
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filen
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... more flow output after unindented line
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*/
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let start = stderr.indexOf("cycle detected among the following files");
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let lines = stderr.substr(start).split("\n").splice(1);
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let found_ecma = false;
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let found_realm = false;
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let cycle_len = 0;
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for (let line of lines) {
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if (!line.startsWith("\t")) break;
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cycle_len += 1;
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found_ecma = found_ecma || line.includes("/ecma262/");
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found_realm = found_realm || line.includes("/realm.js");
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}
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if (found_ecma && found_realm) {
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console.log("Invalid Dependencies: ecma262/ is in a circular dependency with realm.js");
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process.exit(1);
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}
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console.log("Biggest cycle: " + cycle_len);
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let MAX_CYCLE_LEN = 57; // NEVER EVER increase this value
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if (cycle_len > MAX_CYCLE_LEN) {
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console.log("Error: You increased cycle length from the previous high of " + MAX_CYCLE_LEN);
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console.log("This is never OK.");
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process.exit(1);
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}
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});
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// NB: This doesn't prevent cycles using "import type" because those are
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// erased in the lib folder but madge doesn't work with flow type imports.
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madge("./lib/").then(res => {
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let deps = res.obj();
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let idx_deps = res.depends("intrinsics/index");
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if (idx_deps.length !== 1 || idx_deps[0] !== "construct_realm") {
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console.log("Invalid Dependency: Intrinsics index depends on " + idx_deps[0]);
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process.exit(1);
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}
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for (let dep in deps) {
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// Nothing in intrinsics/ecma262 depends on anything but intrinsics/index except Error and global.
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if (
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dep.startsWith("intrinsics/ecma262") &&
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dep !== "intrinsics/ecma262/Error" &&
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dep !== "intrinsics/ecma262/global"
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) {
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let ext_deps = res
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.depends(dep)
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.filter(depend => depend !== "intrinsics/index" && !depend.startsWith("intrinsics/ecma262"));
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if (ext_deps.length > 0) {
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console.log("Invalid Dependency: " + dep + " depends on " + ext_deps);
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process.exit(1);
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}
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}
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}
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});
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