analyzer.run(function () {
let cx;
let c=0;
// Look for any JS object in order to build a new JSContext
for(var i in analyzer.graph) {
let o = analyzer.graph[i];
if (o.name.indexOf("JS Object (Ob") != 0)
continue;
obj = api.getPointerForAddress(o.address);
if (!cx) {
let rt = api.JS_GetObjectRuntime(obj);
cx = api.JS_NewContext(rt, 8192);
}
let attributes = api.enumerate(cx, obj);
console.log("attribute: " + JSON.stringify(attributes));
let id = api.createJsid();
api.JS_GetObjectId(cx, obj, id.address());
if (c++ > 10)
break;
}
if (!cx) {
assert.fail("Unable to fetch any JSContext from CC");
done();
return;
}
done();
});
let paths = path.map(function (o) {
let classname = jsapi.getClassName(o);
return {
self: o,
src: classname == "Function" ? jsapi.stringifyFunction(cx, o) : "",
name: classname,
enum: jsapi.enumerate(cx, o)
};
});
function dumpObject(cx, description, leak) {
let obj = jsapi.getPointerForAddress(leak.address);
log("");
log(">>> " + description + " " + obj + " - "+leak.name);
// In case of proxy, dump the target object
if (leak.name == "JS Object (Proxy)") {
let target;
leak.edges.some(function (e) {
if (e.name == "private") {
target = e.to;
return true;
}
return false;
});
if (target) {
dumpObjectEdges("proxy", leak);
dumpObject(cx, "proxy target object", target);
return;
}
else {
console.error("!!! Unable to find private edged of Proxy");
}
}
// There is enough information in fragment class name...
if (leak.name.indexOf("FragmentOrElement") == 0)
return;
// When using bind for ex, the binded function because a native method
// so that we won't be able to decompile the function source.
// The original function is eventually stored in 'parent' edge.
// Otherwise, parent is just the global object.
if (leak.name.indexOf("JS Object (Function") == 0) {
let parent = getEdgeWithName(leak, "parent");
if (parent.name.indexOf("JS Object (Function") == 0) {
log("Binded function for:");
dumpObject(cx, "Function parent", parent);
return;
}
}
if (leak.name == "JS Object (ChromeWindow)" ||
leak.name == "JS Object (Window)" ||
leak.name == "Backstagepass" ||
leak.name == "Sandbox") {
let d = inspect.getGlobalDescription(cx, obj);
log("Global description:")
log(JSON.stringify(d, null, 2));
return;
}
if (leak.name == "nsXPCWrappedJS (nsIDOMEventListener)") {
dumpObjectEdges("nsXPCWrappedJS", leak);
leak.owners
.filter(function (e) {return e.name == "mListeners[i]";})
.forEach(function (e) {
dumpObject(cx, "event manager", e.from);
});
leak.edges
.filter(function (e) {return e.name == "root";})
.forEach(function (e) {
dumpObject(cx, "root", e.to);
});
return;
}
if (leak.name == "nsEventListenerManager") {
dumpObjectEdges("nsEventListenerManager", leak);
leak.owners
.filter(function (e) {return e.name == "target";})
.forEach(function (e) {
dumpObject(cx, "event.target", e.from);
});
return;
}
if (leak.name.indexOf("JS Object (") == -1 || leak.name == "JS Object (Call)") {
dumpObjectEdges(leak.name, leak);
return;
}
if (leak.name.indexOf("JS Object (Function") == 0) {
let global = getPathToGlobal(leak, []);
log(" * global: " + global);
if (global)
log(" * global description: " +
JSON.stringify(inspect.getGlobalDescription(cx, global)));
log("Function source:\n" + jsapi.stringifyFunction(cx, obj));
}
if (!verbose)
return;
let path = [];
let global = getPathToGlobal(leak, path);
let paths = path.map(function (o) {
let classname = jsapi.getClassName(o);
return {
self: o,
src: classname == "Function" ? jsapi.stringifyFunction(cx, o) : "",
name: classname,
enum: jsapi.enumerate(cx, o)
};
});
log(" * global: "+global);
if (global)
log(" * global description: " +
JSON.stringify(inspect.getGlobalDescription(cx, global)));
let n=0;
let nMax = 100;
leak.edges.forEach(function (e) {
let o2 = jsapi.getPointerForAddress(e.to.address);
let g2;
if (e.to.name.indexOf("JS Object (") == 0) {
if (n++>nMax) return;
g2 = getPathToGlobal(e.to, []);
}
log(" * edge." + e.name + " " + o2 + "=" + e.to.name + (g2?" global:"+g2:""));
});
n=0;
leak.owners.forEach(function (e) {
let o2 = jsapi.getPointerForAddress(e.from.address);
let g2;
if (e.from.name.indexOf("JS Object (") == 0) {
if (n++>nMax) return;
g2 = getPathToGlobal(e.from, []);
}
log(" * owner." + e.name + " " + o2 + "=" + e.from.name + (g2?" global:"+g2:""));
});
log(" * enum: \n" + JSON.stringify(jsapi.enumerate(cx, obj), null, 4));
log(" * name: " + jsapi.getPropertyString(cx, obj, "name"));
log("<<<");
}