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SpiderMonkey 38 removes the JS_LookupProperty{,ById} API. Refs #3708.

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Use JS_GetProperty{,ById} instead.
Ensure that we break if someone tries to serialize a getter by using
something similar to what we used pre 47a03c3397.
https://bugzilla.mozilla.org/show_bug.cgi?id=1094176

This was SVN commit r17633.
This commit is contained in:
leper
2016-01-11 20:03:33 +00:00
parent 39eb7fb243
commit f4898c18d8
3 changed files with 16 additions and 11 deletions
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source/simulation2/serialization/BinarySerializer.cpp
+12 -7
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@@ -179,8 +179,8 @@ void CBinarySerializerScriptImpl::HandleScriptVal(JS::HandleValue val)
if (hasCustomSerialize)
{
JS::RootedValue serialize(cx);
if (!JS_LookupProperty(cx, obj, "Serialize", &serialize))
throw PSERROR_Serialize_ScriptError("JS_LookupProperty failed");
if (!JS_GetProperty(cx, obj, "Serialize", &serialize))
throw PSERROR_Serialize_ScriptError("JS_GetProperty failed");
// If serialize is null, so don't serialize anything more
if (!serialize.isNull())
@@ -312,7 +312,14 @@ void CBinarySerializerScriptImpl::HandleScriptVal(JS::HandleValue val)
JS::RootedValue idval(cx);
JS::RootedValue propval(cx);
// Forbid getters, which might delete values and mess things up.
JS::Rooted<JSPropertyDescriptor> desc(cx);
if (!JS_GetPropertyDescriptorById(cx, obj, id, &desc))
throw PSERROR_Serialize_ScriptError("JS_GetPropertyDescriptorById failed");
if (desc.hasGetterObject())
throw PSERROR_Serialize_ScriptError("Cannot serialize property getters");
// Get the property name as a string
if (!JS_IdToValue(cx, id, &idval))
throw PSERROR_Serialize_ScriptError("JS_IdToValue failed");
@@ -322,10 +329,8 @@ void CBinarySerializerScriptImpl::HandleScriptVal(JS::HandleValue val)
ScriptString("prop name", idstr);
// Use LookupProperty instead of GetProperty to avoid the danger of getters
// (they might delete values and trigger GC)
if (!JS_LookupPropertyById(cx, obj, id, &propval))
throw PSERROR_Serialize_ScriptError("JS_LookupPropertyById failed");
if (!JS_GetPropertyById(cx, obj, id, &propval))
throw PSERROR_Serialize_ScriptError("JS_GetPropertyById failed");
HandleScriptVal(propval);
}