public override bool Walk(ObjectLiteral node) {
// If a single file has a bunch of duplicate ObjectLiteral values with the same
// property names we will merge them together into a single ObjectLiteralValue to
// avoid an explosion in object literals. We only do this for literals with
// at least one member defined.
if (node.Properties.Length > 0) {
// first see if we have a object literal that we should share with...
string[] propNames = new string[node.Properties.Length];
for (int i = 0; i < node.Properties.Length; i++) {
string propName = null;
if (node.Properties[i].Name.Value != null) {
propName = node.Properties[i].Name.Value.ToString();
}
propNames[i] = propName;
}
var key = new ObjectLiteralKey(propNames);
IAnalysisSet value;
if (_scope.GlobalEnvironment.TryGetNodeValue(
NodeEnvironmentKind.ObjectLiteralValue,
key,
out value)) {
// cache the value under our node...
_scope.GlobalEnvironment.AddNodeValue(
NodeEnvironmentKind.ObjectLiteralValue,
node,
value
);
} else {
// create the value and cache it under oru node and the
// shared key.
var objLiteral = new ObjectLiteralValue(_entry, node);
_scope.GlobalEnvironment.AddNodeValue(
NodeEnvironmentKind.ObjectLiteralValue,
node,
objLiteral.Proxy
);
_scope.GlobalEnvironment.AddNodeValue(
NodeEnvironmentKind.ObjectLiteralValue,
key,
objLiteral.Proxy
);
}
} else {
_scope.GlobalEnvironment.AddNodeValue(
NodeEnvironmentKind.ObjectLiteralValue,
node,
new ObjectLiteralValue(_entry, node).Proxy
);
}
return base.Walk(node);
}
private static IAnalysisSet NewObject(FunctionValue func, Node node, AnalysisUnit unit, IAnalysisSet @this, IAnalysisSet[] args) {
IAnalysisSet value;
if (!unit._env.GlobalEnvironment.TryGetNodeValue(NodeEnvironmentKind.ObjectCall, node, out value)) {
var objValue = new ObjectLiteralValue(
unit.ProjectEntry,
node
);
value = objValue.SelfSet;
unit._env.GlobalEnvironment.AddNodeValue(NodeEnvironmentKind.ObjectCall, node, objValue.SelfSet);
}
return value;
}
