/**
* Runs through the assignments and reuses as many names as possible from the previously used
* variable map. Updates reservedNames with the set of names that were reused.
*/
private void reusePreviouslyUsedVariableMap() {
for (Assignment a : assignments.values()) {
String prevNewName = prevUsedRenameMap.lookupNewName(a.oldName);
if (prevNewName == null || reservedNames.contains(prevNewName)) {
continue;
}
if (a.oldName.startsWith(LOCAL_VAR_PREFIX)
|| (!externNames.contains(a.oldName) && prevNewName.startsWith(prefix))) {
reservedNames.add(prevNewName);
finalizeNameAssignment(a, prevNewName);
}
}
}
