746d72420c
Review URL: http://codereview.chromium.org/4469002 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5768 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
96 lines
2.7 KiB
JavaScript
96 lines
2.7 KiB
JavaScript
// Copyright 2010 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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// Flags: --always-full-compiler
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var functionToCatch;
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var lineNumber;
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function catchLineNumber () {
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var x = {};
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Error.prepareStackTrace = function (error, stackTrace) {
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stackTrace.some(function (frame) {
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if (frame.getFunction() == functionToCatch) {
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lineNumber = frame.getLineNumber();
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return true;
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}
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return false;
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});
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return lineNumber;
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};
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Error.captureStackTrace(x);
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return x.stack;
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}
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function log() {
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catchLineNumber();
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}
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function foo() {}
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function test1() {
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log(foo() == foo()
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? 'a'
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: 'b');
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}
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function test2() {
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var o = { foo: function () {}}
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log(o.foo() == o.foo()
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? 'a'
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: 'b');
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}
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function test3() {
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var o = { log: log, foo: function() { } };
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o.log(o.foo() == o.foo()
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? 'a'
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: 'b');
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}
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function test(f, expectedLineNumber) {
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functionToCatch = f;
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f();
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assertEquals(expectedLineNumber, lineNumber);
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}
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test(test1, 58);
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test(test2, 65);
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test(test3, 72);
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eval(test1.toString() + "//@ sourceUrl=foo");
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eval(test2.toString() + "//@ sourceUrl=foo");
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eval(test3.toString() + "//@ sourceUrl=foo");
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test(test1, 2);
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test(test2, 3);
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test(test3, 3);
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