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-rw-r--r--js/src/builtin/RegExp.cpp140
-rw-r--r--js/src/gc/Allocator.cpp8
-rw-r--r--js/src/jit-test/tests/gc/bug-1323868.js5
-rw-r--r--js/src/tests/ecma_5/RegExp/instance-property-storage-introspection.js5
-rw-r--r--js/src/tests/ecma_6/RegExp/prototype.js31
-rw-r--r--js/src/tests/js1_8_5/extensions/clone-regexp.js1
-rw-r--r--js/src/vm/RegExpObject.cpp13
-rw-r--r--js/src/vm/RegExpObject.h4
-rw-r--r--js/xpconnect/tests/chrome/test_xrayToJS.xul3
-rw-r--r--js/xpconnect/tests/unit/test_xray_regexp.js9
-rw-r--r--js/xpconnect/tests/unit/xpcshell.ini1
-rw-r--r--js/xpconnect/wrappers/XrayWrapper.cpp8
12 files changed, 152 insertions, 76 deletions
diff --git a/js/src/builtin/RegExp.cpp b/js/src/builtin/RegExp.cpp
index 80a4bb5bd..b20f41c53 100644
--- a/js/src/builtin/RegExp.cpp
+++ b/js/src/builtin/RegExp.cpp
@@ -577,14 +577,29 @@ js::regexp_clone(JSContext* cx, unsigned argc, Value* vp)
return true;
}
-/* ES6 draft rev32 21.2.5.4. */
+MOZ_ALWAYS_INLINE bool
+IsRegExpInstanceOrPrototype(HandleValue v)
+{
+ if (!v.isObject())
+ return false;
+
+ return StandardProtoKeyOrNull(&v.toObject()) == JSProto_RegExp;
+}
+
+// ES 2017 draft 21.2.5.4.
MOZ_ALWAYS_INLINE bool
regexp_global_impl(JSContext* cx, const CallArgs& args)
{
- MOZ_ASSERT(IsRegExpObject(args.thisv()));
- Rooted<RegExpObject*> reObj(cx, &args.thisv().toObject().as<RegExpObject>());
+ MOZ_ASSERT(IsRegExpInstanceOrPrototype(args.thisv()));
- /* Steps 4-6. */
+ // Step 3.a.
+ if (!IsRegExpObject(args.thisv())) {
+ args.rval().setUndefined();
+ return true;
+ }
+
+ // Steps 4-6.
+ Rooted<RegExpObject*> reObj(cx, &args.thisv().toObject().as<RegExpObject>());
args.rval().setBoolean(reObj->global());
return true;
}
@@ -592,19 +607,25 @@ regexp_global_impl(JSContext* cx, const CallArgs& args)
bool
js::regexp_global(JSContext* cx, unsigned argc, JS::Value* vp)
{
- /* Steps 1-3. */
+ // Steps 1-3.
CallArgs args = CallArgsFromVp(argc, vp);
- return CallNonGenericMethod<IsRegExpObject, regexp_global_impl>(cx, args);
+ return CallNonGenericMethod<IsRegExpInstanceOrPrototype, regexp_global_impl>(cx, args);
}
-/* ES6 draft rev32 21.2.5.5. */
+// ES 2017 draft 21.2.5.5.
MOZ_ALWAYS_INLINE bool
regexp_ignoreCase_impl(JSContext* cx, const CallArgs& args)
{
- MOZ_ASSERT(IsRegExpObject(args.thisv()));
- Rooted<RegExpObject*> reObj(cx, &args.thisv().toObject().as<RegExpObject>());
+ MOZ_ASSERT(IsRegExpInstanceOrPrototype(args.thisv()));
- /* Steps 4-6. */
+ // Step 3.a
+ if (!IsRegExpObject(args.thisv())) {
+ args.rval().setUndefined();
+ return true;
+ }
+
+ // Steps 4-6.
+ Rooted<RegExpObject*> reObj(cx, &args.thisv().toObject().as<RegExpObject>());
args.rval().setBoolean(reObj->ignoreCase());
return true;
}
@@ -612,19 +633,25 @@ regexp_ignoreCase_impl(JSContext* cx, const CallArgs& args)
bool
js::regexp_ignoreCase(JSContext* cx, unsigned argc, JS::Value* vp)
{
- /* Steps 1-3. */
+ // Steps 1-3.
CallArgs args = CallArgsFromVp(argc, vp);
- return CallNonGenericMethod<IsRegExpObject, regexp_ignoreCase_impl>(cx, args);
+ return CallNonGenericMethod<IsRegExpInstanceOrPrototype, regexp_ignoreCase_impl>(cx, args);
}
-/* ES6 draft rev32 21.2.5.7. */
+// ES 2017 draft 21.2.5.7.
MOZ_ALWAYS_INLINE bool
regexp_multiline_impl(JSContext* cx, const CallArgs& args)
{
- MOZ_ASSERT(IsRegExpObject(args.thisv()));
- Rooted<RegExpObject*> reObj(cx, &args.thisv().toObject().as<RegExpObject>());
+ MOZ_ASSERT(IsRegExpInstanceOrPrototype(args.thisv()));
- /* Steps 4-6. */
+ // Step 3.a.
+ if (!IsRegExpObject(args.thisv())) {
+ args.rval().setUndefined();
+ return true;
+ }
+
+ // Steps 4-6.
+ Rooted<RegExpObject*> reObj(cx, &args.thisv().toObject().as<RegExpObject>());
args.rval().setBoolean(reObj->multiline());
return true;
}
@@ -632,24 +659,30 @@ regexp_multiline_impl(JSContext* cx, const CallArgs& args)
bool
js::regexp_multiline(JSContext* cx, unsigned argc, JS::Value* vp)
{
- /* Steps 1-3. */
+ // Steps 1-3.
CallArgs args = CallArgsFromVp(argc, vp);
- return CallNonGenericMethod<IsRegExpObject, regexp_multiline_impl>(cx, args);
+ return CallNonGenericMethod<IsRegExpInstanceOrPrototype, regexp_multiline_impl>(cx, args);
}
-/* ES6 draft rev32 21.2.5.10. */
+// ES 2017 draft rev32 21.2.5.10.
MOZ_ALWAYS_INLINE bool
regexp_source_impl(JSContext* cx, const CallArgs& args)
{
- MOZ_ASSERT(IsRegExpObject(args.thisv()));
- Rooted<RegExpObject*> reObj(cx, &args.thisv().toObject().as<RegExpObject>());
+ MOZ_ASSERT(IsRegExpInstanceOrPrototype(args.thisv()));
+
+ // Step 3.a.
+ if (!IsRegExpObject(args.thisv())) {
+ args.rval().setString(cx->names().emptyRegExp);
+ return true;
+ }
- /* Step 5. */
+ // Step 5.
+ Rooted<RegExpObject*> reObj(cx, &args.thisv().toObject().as<RegExpObject>());
RootedAtom src(cx, reObj->getSource());
if (!src)
return false;
- /* Step 7. */
+ // Step 7.
RootedString str(cx, EscapeRegExpPattern(cx, src));
if (!str)
return false;
@@ -661,19 +694,25 @@ regexp_source_impl(JSContext* cx, const CallArgs& args)
static bool
regexp_source(JSContext* cx, unsigned argc, JS::Value* vp)
{
- /* Steps 1-4. */
+ // Steps 1-4.
CallArgs args = CallArgsFromVp(argc, vp);
- return CallNonGenericMethod<IsRegExpObject, regexp_source_impl>(cx, args);
+ return CallNonGenericMethod<IsRegExpInstanceOrPrototype, regexp_source_impl>(cx, args);
}
-/* ES6 draft rev32 21.2.5.12. */
+// ES 2017 draft 21.2.5.12.
MOZ_ALWAYS_INLINE bool
regexp_sticky_impl(JSContext* cx, const CallArgs& args)
{
- MOZ_ASSERT(IsRegExpObject(args.thisv()));
- Rooted<RegExpObject*> reObj(cx, &args.thisv().toObject().as<RegExpObject>());
+ MOZ_ASSERT(IsRegExpInstanceOrPrototype(args.thisv()));
- /* Steps 4-6. */
+ // Step 3.a.
+ if (!IsRegExpObject(args.thisv())) {
+ args.rval().setUndefined();
+ return true;
+ }
+
+ // Steps 4-6.
+ Rooted<RegExpObject*> reObj(cx, &args.thisv().toObject().as<RegExpObject>());
args.rval().setBoolean(reObj->sticky());
return true;
}
@@ -681,27 +720,35 @@ regexp_sticky_impl(JSContext* cx, const CallArgs& args)
bool
js::regexp_sticky(JSContext* cx, unsigned argc, JS::Value* vp)
{
- /* Steps 1-3. */
+ // Steps 1-3.
CallArgs args = CallArgsFromVp(argc, vp);
- return CallNonGenericMethod<IsRegExpObject, regexp_sticky_impl>(cx, args);
+ return CallNonGenericMethod<IsRegExpInstanceOrPrototype, regexp_sticky_impl>(cx, args);
}
-/* ES6 21.2.5.15. */
+// ES 2017 draft 21.2.5.15.
MOZ_ALWAYS_INLINE bool
regexp_unicode_impl(JSContext* cx, const CallArgs& args)
{
- MOZ_ASSERT(IsRegExpObject(args.thisv()));
- /* Steps 4-6. */
- args.rval().setBoolean(args.thisv().toObject().as<RegExpObject>().unicode());
+ MOZ_ASSERT(IsRegExpInstanceOrPrototype(args.thisv()));
+
+ // Step 3.a.
+ if (!IsRegExpObject(args.thisv())) {
+ args.rval().setUndefined();
+ return true;
+ }
+
+ // Steps 4-6.
+ Rooted<RegExpObject*> reObj(cx, &args.thisv().toObject().as<RegExpObject>());
+ args.rval().setBoolean(reObj->unicode());
return true;
}
bool
js::regexp_unicode(JSContext* cx, unsigned argc, JS::Value* vp)
{
- /* Steps 1-3. */
+ // Steps 1-3.
CallArgs args = CallArgsFromVp(argc, vp);
- return CallNonGenericMethod<IsRegExpObject, regexp_unicode_impl>(cx, args);
+ return CallNonGenericMethod<IsRegExpInstanceOrPrototype, regexp_unicode_impl>(cx, args);
}
const JSPropertySpec js::regexp_properties[] = {
@@ -829,25 +876,6 @@ const JSPropertySpec js::regexp_static_props[] = {
JS_PS_END
};
-JSObject*
-js::CreateRegExpPrototype(JSContext* cx, JSProtoKey key)
-{
- MOZ_ASSERT(key == JSProto_RegExp);
-
- Rooted<RegExpObject*> proto(cx, cx->global()->createBlankPrototype<RegExpObject>(cx));
- if (!proto)
- return nullptr;
- proto->NativeObject::setPrivate(nullptr);
-
- if (!RegExpObject::assignInitialShape(cx, proto))
- return nullptr;
-
- RootedAtom source(cx, cx->names().empty);
- proto->initAndZeroLastIndex(source, RegExpFlag(0), cx);
-
- return proto;
-}
-
template <typename CharT>
static bool
IsTrailSurrogateWithLeadSurrogateImpl(JSContext* cx, HandleLinearString input, size_t index)
diff --git a/js/src/gc/Allocator.cpp b/js/src/gc/Allocator.cpp
index 3994d5a5b..212493d86 100644
--- a/js/src/gc/Allocator.cpp
+++ b/js/src/gc/Allocator.cpp
@@ -39,8 +39,12 @@ js::Allocate(ExclusiveContext* cx, AllocKind kind, size_t nDynamicSlots, Initial
MOZ_ASSERT_IF(nDynamicSlots != 0, clasp->isNative() || clasp->isProxy());
// Off-main-thread alloc cannot trigger GC or make runtime assertions.
- if (!cx->isJSContext())
- return GCRuntime::tryNewTenuredObject<NoGC>(cx, kind, thingSize, nDynamicSlots);
+ if (!cx->isJSContext()) {
+ JSObject* obj = GCRuntime::tryNewTenuredObject<NoGC>(cx, kind, thingSize, nDynamicSlots);
+ if (MOZ_UNLIKELY(allowGC && !obj))
+ ReportOutOfMemory(cx);
+ return obj;
+ }
JSContext* ncx = cx->asJSContext();
JSRuntime* rt = ncx->runtime();
diff --git a/js/src/jit-test/tests/gc/bug-1323868.js b/js/src/jit-test/tests/gc/bug-1323868.js
new file mode 100644
index 000000000..c7e8c9b08
--- /dev/null
+++ b/js/src/jit-test/tests/gc/bug-1323868.js
@@ -0,0 +1,5 @@
+if (helperThreadCount() == 0)
+ quit();
+startgc(8301);
+offThreadCompileScript("(({a,b,c}))");
+gcparam("maxBytes", gcparam("gcBytes"));
diff --git a/js/src/tests/ecma_5/RegExp/instance-property-storage-introspection.js b/js/src/tests/ecma_5/RegExp/instance-property-storage-introspection.js
index 1f7c7042f..998d25e2c 100644
--- a/js/src/tests/ecma_5/RegExp/instance-property-storage-introspection.js
+++ b/js/src/tests/ecma_5/RegExp/instance-property-storage-introspection.js
@@ -40,9 +40,7 @@ function checkDataProperty(obj, p, expect, msg)
// Check a bunch of "empty" regular expressions first.
-var choices = [{ msg: "RegExp.prototype",
- get: function() { return RegExp.prototype; } },
- { msg: "new RegExp()",
+var choices = [{ msg: "new RegExp()",
get: function() { return new RegExp(); } },
{ msg: "/(?:)/",
get: Function("return /(?:)/;") }];
@@ -55,7 +53,6 @@ function checkRegExp(r, msg, lastIndex)
checkDataProperty(r, "lastIndex", expect, msg);
}
-checkRegExp(RegExp.prototype, "RegExp.prototype", 0);
checkRegExp(new RegExp(), "new RegExp()", 0);
checkRegExp(/(?:)/, "/(?:)/", 0);
checkRegExp(Function("return /(?:)/;")(), 'Function("return /(?:)/;")()', 0);
diff --git a/js/src/tests/ecma_6/RegExp/prototype.js b/js/src/tests/ecma_6/RegExp/prototype.js
new file mode 100644
index 000000000..528142ab0
--- /dev/null
+++ b/js/src/tests/ecma_6/RegExp/prototype.js
@@ -0,0 +1,31 @@
+const t = RegExp.prototype;
+
+const properties = "toSource,toString,compile,exec,test," +
+ "flags,global,ignoreCase,multiline,source,sticky,unicode," +
+ "constructor," +
+ "Symbol(Symbol.match),Symbol(Symbol.replace),Symbol(Symbol.search),Symbol(Symbol.split)";
+assertEq(Reflect.ownKeys(t).map(String).toString(), properties);
+
+
+// Invoking getters on the prototype should not throw
+function getter(name) {
+ return Object.getOwnPropertyDescriptor(t, name).get.call(t);
+}
+
+assertEq(getter("flags"), "");
+assertEq(getter("global"), undefined);
+assertEq(getter("ignoreCase"), undefined);
+assertEq(getter("multiline"), undefined);
+assertEq(getter("source"), "(?:)");
+assertEq(getter("sticky"), undefined);
+assertEq(getter("unicode"), undefined);
+
+assertEq(t.toString(), "/(?:)/");
+
+// The methods don't work with the prototype
+assertThrowsInstanceOf(() => t.compile("b", "i"), TypeError);
+assertThrowsInstanceOf(() => t.test("x"), TypeError);
+assertThrowsInstanceOf(() => t.exec("x"), TypeError);
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);
diff --git a/js/src/tests/js1_8_5/extensions/clone-regexp.js b/js/src/tests/js1_8_5/extensions/clone-regexp.js
index 97f755785..8541dae98 100644
--- a/js/src/tests/js1_8_5/extensions/clone-regexp.js
+++ b/js/src/tests/js1_8_5/extensions/clone-regexp.js
@@ -22,7 +22,6 @@ function testRegExp(b, c=b) {
testRegExp(RegExp(""));
testRegExp(/(?:)/);
testRegExp(/^(.*)$/gimy);
-testRegExp(RegExp.prototype);
var re = /\bx\b/gi;
re.expando = true;
diff --git a/js/src/vm/RegExpObject.cpp b/js/src/vm/RegExpObject.cpp
index 97f1163aa..e0b44e1eb 100644
--- a/js/src/vm/RegExpObject.cpp
+++ b/js/src/vm/RegExpObject.cpp
@@ -196,6 +196,12 @@ RegExpObject::trace(JSTracer* trc, JSObject* obj)
}
}
+static JSObject*
+CreateRegExpPrototype(JSContext* cx, JSProtoKey key)
+{
+ return cx->global()->createBlankPrototype(cx, &RegExpObject::protoClass_);
+}
+
static const ClassOps RegExpObjectClassOps = {
nullptr, /* addProperty */
nullptr, /* delProperty */
@@ -229,6 +235,13 @@ const Class RegExpObject::class_ = {
&RegExpObjectClassSpec
};
+const Class RegExpObject::protoClass_ = {
+ js_Object_str,
+ JSCLASS_HAS_CACHED_PROTO(JSProto_RegExp),
+ JS_NULL_CLASS_OPS,
+ &RegExpObjectClassSpec
+};
+
RegExpObject*
RegExpObject::create(ExclusiveContext* cx, const char16_t* chars, size_t length, RegExpFlag flags,
TokenStream* tokenStream, LifoAlloc& alloc)
diff --git a/js/src/vm/RegExpObject.h b/js/src/vm/RegExpObject.h
index d6dde1668..dc428a973 100644
--- a/js/src/vm/RegExpObject.h
+++ b/js/src/vm/RegExpObject.h
@@ -79,9 +79,6 @@ RegExpAlloc(ExclusiveContext* cx, HandleObject proto = nullptr);
extern JSObject*
CloneRegExpObject(JSContext* cx, JSObject* regexp);
-extern JSObject*
-CreateRegExpPrototype(JSContext* cx, JSProtoKey key);
-
/*
* A RegExpShared is the compiled representation of a regexp. A RegExpShared is
* potentially pointed to by multiple RegExpObjects. Additionally, C++ code may
@@ -411,6 +408,7 @@ class RegExpObject : public NativeObject
static const unsigned PRIVATE_SLOT = 3;
static const Class class_;
+ static const Class protoClass_;
// The maximum number of pairs a MatchResult can have, without having to
// allocate a bigger MatchResult.
diff --git a/js/xpconnect/tests/chrome/test_xrayToJS.xul b/js/xpconnect/tests/chrome/test_xrayToJS.xul
index 8e6b0f8a4..aaacd4d00 100644
--- a/js/xpconnect/tests/chrome/test_xrayToJS.xul
+++ b/js/xpconnect/tests/chrome/test_xrayToJS.xul
@@ -235,8 +235,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=933681
gPrototypeProperties['RegExp'] =
["constructor", "toSource", "toString", "compile", "exec", "test",
Symbol.match, Symbol.replace, Symbol.search, Symbol.split,
- "flags", "global", "ignoreCase", "multiline", "source", "sticky", "unicode",
- "lastIndex"];
+ "flags", "global", "ignoreCase", "multiline", "source", "sticky", "unicode"];
gConstructorProperties['RegExp'] =
constructorProps(["input", "lastMatch", "lastParen",
"leftContext", "rightContext", "$1", "$2", "$3", "$4",
diff --git a/js/xpconnect/tests/unit/test_xray_regexp.js b/js/xpconnect/tests/unit/test_xray_regexp.js
new file mode 100644
index 000000000..4baffd63e
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_xray_regexp.js
@@ -0,0 +1,9 @@
+const Cu = Components.utils;
+
+function run_test() {
+ var sandbox = Cu.Sandbox('http://www.example.com');
+ var regexp = Cu.evalInSandbox("/test/i", sandbox);
+ equal(RegExp.prototype.toString.call(regexp), "/test/i");
+ var prototype = Cu.evalInSandbox("RegExp.prototype", sandbox);
+ equal(typeof prototype.lastIndex, "undefined");
+}
diff --git a/js/xpconnect/tests/unit/xpcshell.ini b/js/xpconnect/tests/unit/xpcshell.ini
index 99d44b975..12648d3ec 100644
--- a/js/xpconnect/tests/unit/xpcshell.ini
+++ b/js/xpconnect/tests/unit/xpcshell.ini
@@ -133,5 +133,6 @@ head = head_watchdog.js
[test_xrayed_iterator.js]
[test_xray_SavedFrame.js]
[test_xray_SavedFrame-02.js]
+[test_xray_regexp.js]
[test_resolve_dead_promise.js]
[test_asyncLoadSubScriptError.js]
diff --git a/js/xpconnect/wrappers/XrayWrapper.cpp b/js/xpconnect/wrappers/XrayWrapper.cpp
index 8011d207f..48a9fdc68 100644
--- a/js/xpconnect/wrappers/XrayWrapper.cpp
+++ b/js/xpconnect/wrappers/XrayWrapper.cpp
@@ -636,10 +636,6 @@ JSXrayTraits::resolveOwnProperty(JSContext* cx, const Wrapper& jsWrapper,
return true;
}
- // Handle the 'lastIndex' property for RegExp prototypes.
- if (key == JSProto_RegExp && id == GetJSIDByIndex(cx, XPCJSContext::IDX_LASTINDEX))
- return getOwnPropertyFromWrapperIfSafe(cx, wrapper, id, desc);
-
// Grab the JSClass. We require all Xrayable classes to have a ClassSpec.
const js::Class* clasp = js::GetObjectClass(target);
MOZ_ASSERT(clasp->specDefined());
@@ -881,10 +877,6 @@ JSXrayTraits::enumerateNames(JSContext* cx, HandleObject wrapper, unsigned flags
if (!props.append(GetJSIDByIndex(cx, XPCJSContext::IDX_CONSTRUCTOR)))
return false;
- // For RegExp protoypes, add the 'lastIndex' property.
- if (key == JSProto_RegExp && !props.append(GetJSIDByIndex(cx, XPCJSContext::IDX_LASTINDEX)))
- return false;
-
// Grab the JSClass. We require all Xrayable classes to have a ClassSpec.
const js::Class* clasp = js::GetObjectClass(target);
MOZ_ASSERT(clasp->specDefined());
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-05 21:32:10 +0000