forked from mirrors/gecko-dev
51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
/**
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* @fileoverview Remove macros from SpiderMonkey's self-hosted JS.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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"use strict";
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var path = require("path");
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const selfHostedRegex = /js\/src\/builtin\/.*?\.js$/;
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const macroRegex = /\s*\#(if|ifdef|else|elif|endif|include|define|undef).*/;
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module.exports = {
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preprocess(text, filename) {
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if (path.win32) {
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filename = filename.split(path.sep).join("/");
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}
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if (!selfHostedRegex.test(filename)) {
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return [text];
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}
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let lines = text.split(/\n/);
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for (let i = 0; i < lines.length; i++) {
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if (!macroRegex.test(lines[i])) {
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// No macro here, nothing to do.
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continue;
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}
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for (; i < lines.length; i++) {
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// The macro isn't correctly indented, so we need to instruct
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// prettier to ignore them.
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lines[i] = "// eslint-disable-line prettier/prettier -- " + lines[i];
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// If the line ends with a backslash (\), the next line
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// is also part of part of the macro.
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if (!lines[i].endsWith("\\")) {
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break;
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}
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}
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}
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return [lines.join("\n")];
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},
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postprocess(messages, filename) {
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return Array.prototype.concat.apply([], messages);
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},
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};
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