972e852248
If the RegExp doesn't parse, then ES2015 specifies that RegExp.prototype.compile does not mutate it. This patch changes our RegExp implementation to follow that logic. R=yangguo Review-Url: https://codereview.chromium.org/1972093003 Cr-Commit-Position: refs/heads/master@{#36268}
49 lines
2.1 KiB
JavaScript
49 lines
2.1 KiB
JavaScript
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Test that we don't cache the result of a regexp match across a
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// compile event.
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var re = /x/;
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assertEquals("a.yb", "axyb".replace(re, "."));
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re.compile("y");
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assertEquals("ax.b", "axyb".replace(re, "."));
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re.compile("(x)");
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assertEquals(["x", "x"], re.exec("axyb"));
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re.compile("(y)");
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assertEquals(["y", "y"], re.exec("axyb"));
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assertEquals(2, re.compile.length);
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// If RegExp parsing fails, the RegExp is not modified
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var r = /./; try { r.compile('? invalid'); } catch(err){}
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assertEquals("/./", r.toString());
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