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bug 531037 - eval fixes. r=brendan

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This commit is contained in:
Igor Bukanov 2009-12-01 00:01:11 +03:00
parent 0340e89b31
commit a3f5d5c07b
3 changed files with 63 additions and 1 deletions
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3
js/src/jsobj.cpp
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@ -1442,7 +1442,7 @@ obj_eval(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
* calls to eval from global code are not cached.
*/
bucket = EvalCacheHash(cx, str);
if (!indirectCall && caller->fun) {
if (!indirectCall && argc == 1 && caller->fun) {
uintN count = 0;
JSScript **scriptp = bucket;
@ -1488,6 +1488,7 @@ obj_eval(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
}
if (i < 0 ||
STOBJ_GET_PARENT(objarray->vector[i]) == scopeobj) {
JS_ASSERT(staticLevel == script->staticLevel);
EVAL_CACHE_METER(hit);
*scriptp = script->u.nextToGC;
script->u.nextToGC = NULL;

39
js/src/tests/js1_4/Eval/regress-531037.js Normal file
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@ -0,0 +1,39 @@
/* -*- Mode: java; tab-width:8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
*/
var gTestfile = 'regress-531037.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 531037;
var summary = 'Checking corner cases of eval(source, scope) form';
var actual;
var expect = "No crash";
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function test() {
enterFunc ('test');
printBugNumber(BUGNUMBER);
printStatus (summary);
var b = 10;
var fff = function() { return --b >= 0; };
var src = "while (fff());";
eval(src, null);
b = 10;
try {
eval(src, {fff: function() {throw 0;}});
throw new Error("Unexpected success of eval");
} catch (e) {
if (e !== 0)
throw e;
}
actual = "No crash";
reportCompare(expect, actual, summary);
exitFunc ('test');
}

22
js/src/trace-test/tests/basic/bug531037.js Normal file
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@ -0,0 +1,22 @@
/* -*- Mode: java; tab-width:8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
*/
(function() {
var b = 10;
var fff = function() { return --b >= 0; };
var src = "while (fff());";
eval(src, null);
b = 10;
try {
eval(src, {fff: function() {throw 0;}});
throw new Error("Unexpected success of eval");
} catch (e) {
if (e !== 0)
throw e;
}
})();
// We expect this to finish without crashes or exceptions