47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
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// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// The following RegExp regression case from
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// https://bugs.chromium.org/p/chromium/issues/detail?id=977003
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let g = "[\\t\\n\\f ]";
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let W = g + "*";
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let h = "[\\ud800-\\udbff][\\udc00-\\udfff]";
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let k = "[\\u0080-\\ud7ff\\ue000-\\ufffd]|" + h;
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let U = "[0-9a-fA-F]{1,6}" + g + "?";
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let E = "(?:" + U + "|[\\u0020-\\u007e\\u0080-\\ud7ff\\ue000\\ufffd]|" + h + ")";
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let m = "\\\\" + E;
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let o = "(?:[\\t\\x21\\x23-\\x26\\x28-\\x5b\\x5d-\\x7e]|" + k + "|" + m + ")";
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let p = '[^\'"\\n\\f\\\\]|\\\\[\\s\\S]';
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let q = '"(?:\'|' + p + ')*"' + '|\'(?:\"|' + p + ')*\'';
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let r = "[-+]?(?:[0-9]+(?:[.][0-9]+)?|[.][0-9]+)";
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let t = "(?:[a-zA-Z_]|" + k + "|" + m + ")";
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let u = "(?:[a-zA-Z0-9_-]|" + k + "|" + m + ")";
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let v = u + "+";
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let I = "-?" + t + u + "*";
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let x = "(?:@?-?" + t + "|#)" + u + "*";
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let y = r + "(?:%|" + I + ")?";
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let z = "url[(]" + W + "(?:" + q + "|" + o + "*)" + W + "[)]";
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let B = "U[+][0-9A-F?]{1,6}(?:-[0-9A-F]{1,6})?";
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let C = "<\!--";
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let F = "-->";
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let S = g + "+";
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let G = "/(?:[*][^*]*[*]+(?:[^/][^*]*[*]+)*/|/[^\\n\\f]*)";
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let J = "(?!url[(])" + I + "[(]";
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let R = "[~|^$*]=";
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let T = '[^"\'\\\\/]|/(?![/*])';
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let V = "\\uFEFF";
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let Y = [V, B, z, J, x, q, y, C, F, S, G, R, T].join("|");
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function ComplexGlobalCaseInsensitiveMatch() {
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// keep the RegExp in the measurement but not string concat nor join.
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let X = new RegExp(Y, "gi");
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"abcſABCβκς".match(X);
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"color:".match(X);
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}
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benchmarks = [ [ComplexGlobalCaseInsensitiveMatch, () => {}],
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];
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createBenchmarkSuite("ComplexCaseInsensitiveTest");
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