Issue 117 - strict mode and future reserved words

src/messages.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 133 matching lines @@
 function FormatMessage(message) {
   if (kMessages === 0) {
     kMessages = {
       // Error
       cyclic_proto:                 ["Cyclic __proto__ value"],
       // TypeError
       unexpected_token:             ["Unexpected token ", "%0"],
       unexpected_token_number:      ["Unexpected number"],
       unexpected_token_string:      ["Unexpected string"],
       unexpected_token_identifier:  ["Unexpected identifier"],
+      unexpected_strict_reserved:   ["Unexpected strict mode reserved word"],
       unexpected_eos:               ["Unexpected end of input"],
       malformed_regexp:             ["Invalid regular expression: /", "%0", "/: ", "%1"],
       unterminated_regexp:          ["Invalid regular expression: missing /"],
       regexp_flags:                 ["Cannot supply flags when constructing one RegExp from another"],
       incompatible_method_receiver: ["Method ", "%0", " called on incompatible receiver ", "%1"],
       invalid_lhs_in_assignment:    ["Invalid left-hand side in assignment"],
       invalid_lhs_in_for_in:        ["Invalid left-hand side in for-in"],
       invalid_lhs_in_postfix_op:    ["Invalid left-hand side expression in postfix operation"],
       invalid_lhs_in_prefix_op:     ["Invalid left-hand side expression in prefix operation"],
       multiple_defaults_in_switch:  ["More than one default clause in switch statement"],
@@ skipping 54 matching lines @@
       strict_param_dupe:            ["Strict mode function may not have duplicate parameter names"],
       strict_var_name:              ["Variable name may not be eval or arguments in strict mode"],
       strict_function_name:         ["Function name may not be eval or arguments in strict mode"],
       strict_octal_literal:         ["Octal literals are not allowed in strict mode."],
       strict_duplicate_property:    ["Duplicate data property in object literal not allowed in strict mode"],
       accessor_data_property:       ["Object literal may not have data and accessor property with the same name"],
       accessor_get_set:             ["Object literal may not have multiple get/set accessors with the same name"],
       strict_lhs_assignment:        ["Assignment to eval or arguments is not allowed in strict mode"],
       strict_lhs_postfix:           ["Postfix increment/decrement may not have eval or arguments operand in strict mode"],
       strict_lhs_prefix:            ["Prefix increment/decrement may not have eval or arguments operand in strict mode"],
+      strict_reserved_word:         ["Use of future reserved word in strict mode"],
     };
   }
   var format = kMessages[message.type];
   if (!format) return "<unknown message " + message.type + ">";
   return FormatString(format, message.args);
 }
 
 
 function GetLineNumber(message) {
   if (message.startPos == -1) return kNoLineNumberInfo;
@@ skipping 829 matching lines @@
     else throw e;
   }
 }
 
 %FunctionSetName(errorToString, 'toString');
 %SetProperty($Error.prototype, 'toString', errorToString, DONT_ENUM);
 
 // Boilerplate for exceptions for stack overflows. Used from
 // Top::StackOverflow().
 const kStackOverflowBoilerplate = MakeRangeError('stack_overflow', []);