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      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 
     24 function isReserved(word)
     25 {
     26     try {
     27         eval("var " + word + ";");
     28         return false;
     29     } catch (e) {
     30         return true;
     31     }
     32 }
     33 
     34 var reservedWords = [
     35     "break",
     36     "case",
     37     "catch",
     38     "class",
     39     "const",
     40     "continue",
     41     "debugger",
     42     "default",
     43     "delete",
     44     "do",
     45     "else",
     46     "enum",
     47     "export",
     48     "extends",
     49     "false",
     50     "finally",
     51     "for",
     52     "function",
     53     "if",
     54     "import",
     55     "in",
     56     "instanceof",
     57     "new",
     58     "null",
     59     "return",
     60     "super",
     61     "switch",
     62     "this",
     63     "throw",
     64     "true",
     65     "try",
     66     "typeof",
     67     "var",
     68     "void",
     69     "while",
     70     "with"
     71 ];
     72 
     73 var unreservedWords = [
     74     "abstract",
     75     "boolean",
     76     "byte",
     77     "char",
     78     "double",
     79     "final",
     80     "float",
     81     "goto",
     82     "implements",
     83     "int",
     84     "interface",
     85     "long",
     86     "native",
     87     "package",
     88     "private",
     89     "protected",
     90     "public",
     91     "short",
     92     "static",
     93     "synchronized",
     94     "throws",
     95     "transient",
     96     "volatile"
     97 ];
     98 
     99 description(
    100 "This file checks which ECMAScript 3 keywords are treated as reserved words."
    101 );
    102 
    103 reservedWords.sort();
    104 unreservedWords.sort();
    105 
    106 debug("SHOULD BE RESERVED:");
    107 for (var p in reservedWords) {
    108     shouldBeTrue("isReserved('" + reservedWords[p] + "')");
    109 }
    110 
    111 debug("");
    112 
    113 debug("SHOULD NOT BE RESERVED:");
    114 for (var p in unreservedWords) {
    115     shouldBeFalse("isReserved('" + unreservedWords[p] + "')");
    116 }
    117 
    118 debug("");
    119