• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1// Copyright 2013 the V8 project authors. All rights reserved.
2// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions
6// are met:
7// 1.  Redistributions of source code must retain the above copyright
8//     notice, this list of conditions and the following disclaimer.
9// 2.  Redistributions in binary form must reproduce the above copyright
10//     notice, this list of conditions and the following disclaimer in the
11//     documentation and/or other materials provided with the distribution.
12//
13// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23
24function isReserved(word)
25{
26    try {
27        eval("\"use strict\";var " + word + ";");
28        return false;
29    } catch (e) {
30            var expectedError = "Use of reserved word '" + word + "' in strict mode";
31            if (expectedError == e.message)
32                return true;
33        else
34                return false;
35    }
36}
37
38var reservedWords = [
39    "implements",
40    "let",
41    "private",
42    "public",
43    "yield",
44    "interface",
45    "package",
46    "protected",
47    "static"
48];
49
50var unreservedWords = [
51    "abstract",
52    "boolean",
53    "byte",
54    "char",
55    "double",
56    "final",
57    "float",
58    "goto",
59    "int",
60    "long",
61    "native",
62    "short",
63    "synchronized",
64    "throws",
65    "transient",
66    "volatile"
67];
68
69description(
70"This file checks which ECMAScript 3 keywords are treated as reserved words in strict mode."
71);
72
73reservedWords.sort();
74unreservedWords.sort();
75
76debug("SHOULD BE RESERVED:");
77for (var p in reservedWords) {
78    shouldBeTrue("isReserved('" + reservedWords[p] + "')");
79}
80
81debug("");
82
83debug("SHOULD NOT BE RESERVED:");
84for (var p in unreservedWords) {
85    shouldBeFalse("isReserved('" + unreservedWords[p] + "')");
86}
87
88debug("");
89