function RegExpExec(string) {
if (%_ArgumentsLength() == 0) {
+ if (IS_UNDEFINED(regExpInput)) {
+ throw MakeError('no_input_to_regexp', [this]);
+ }
string = regExpInput;
}
var s = ToString(string);
// the last successful match.
var regExpCaptures = [0, 0];
var regExpSubject = '';
-var regExpInput = "";
+var regExpInput;
// -------------------------------------------------------------------
%FunctionSetLength($RegExp.prototype.compile, 1);
// The properties input, $input, and $_ are aliases for each other. When this
- // value is set in SpiderMonkey, the value it is set to is coerced to a
- // string. We mimic that behavior with a slight difference: in SpiderMonkey
- // the value of the expression 'RegExp.input = null' (for instance) is the
- // string "null" (ie, the value after coercion), while in V8 it is the value
- // null (ie, the value before coercion).
+ // value is set the value it is set to is coerced to a string.
// Getter and setter for the input.
- function RegExpGetInput() { return regExpInput; }
+ function RegExpGetInput() {
+ return IS_UNDEFINED(regExpInput) ? "" : regExpInput;
+ }
function RegExpSetInput(string) { regExpInput = ToString(string); }
%DefineAccessor($RegExp, 'input', GETTER, RegExpGetInput, DONT_DELETE);
+++ /dev/null
-// Copyright 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
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-var s = "a";
-for (var i = 0; i < 17; i++)
- s += s;
-
-assertThrows('new RegExp(s);');
-
-assertThrows('/(([ab]){30}){3360}/');
-assertThrows('/(([ab]){30}){0,3360}/');
-assertThrows('/(([ab]){30}){10,3360}/');
-assertThrows('/(([ab]){0,30}){3360}/');
-assertThrows('/(([ab]){0,30}){0,3360}/');
-assertThrows('/(([ab]){0,30}){10,3360}/');
-assertThrows('/(([ab]){10,30}){3360}/');
-assertThrows('/(([ab]){10,30}){0,3360}/');
-assertThrows('/(([ab]){10,30}){10,3360}/');
-assertThrows('/(([ab]){12})(([ab]){65535}){1680}(([ab]){38}){722}([ab]){27}/');
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// Test that we throw exceptions when calling test and exec with no
+// input. This is not part of the spec, but we do it for
+// compatibility with JSC.
+assertThrows("/a/.test()");
+assertThrows("/a/.exec()");
+
+// Test that we do not throw exceptions once the static RegExp.input
+// field has been set.
+RegExp.input = "a";
+assertDoesNotThrow("/a/.test()");
+assertDoesNotThrow("/a/.exec()");
+
// Test the (deprecated as of JS 1.5) properties of the RegExp function.
var re = /((\d+)\.(\d+))/;
var s = 'abc123.456def';