// TODO: Currently filters out declarations (MethodDeclarationMatch, FieldDeclarationMatch).
// Long term solution: only pass reference search results in.
static RefactoringStatus analyzeRenameChanges2(
TextChangeManager manager,
SearchResultGroup[] oldReferences,
SearchResultGroup[] newReferences,
String newElementName) {
RefactoringStatus result = new RefactoringStatus();
HashMap<ICompilationUnit, SearchMatch[]> cuToNewResults = new HashMap<>(newReferences.length);
for (int i1 = 0; i1 < newReferences.length; i1++) {
ICompilationUnit cu = newReferences[i1].getCompilationUnit();
if (cu != null) cuToNewResults.put(cu.getPrimary(), newReferences[i1].getSearchResults());
}
for (int i = 0; i < oldReferences.length; i++) {
SearchResultGroup oldGroup = oldReferences[i];
SearchMatch[] oldMatches = oldGroup.getSearchResults();
ICompilationUnit cu = oldGroup.getCompilationUnit();
if (cu == null) continue;
SearchMatch[] newSearchMatches = cuToNewResults.remove(cu);
if (newSearchMatches == null) {
for (int j = 0; j < oldMatches.length; j++) {
SearchMatch oldMatch = oldMatches[j];
addShadowsError(cu, oldMatch, result);
}
} else {
analyzeChanges(cu, manager.get(cu), oldMatches, newSearchMatches, newElementName, result);
}
}
for (Iterator<Entry<ICompilationUnit, SearchMatch[]>> iter =
cuToNewResults.entrySet().iterator();
iter.hasNext(); ) {
Entry<ICompilationUnit, SearchMatch[]> entry = iter.next();
ICompilationUnit cu = entry.getKey();
SearchMatch[] newSearchMatches = entry.getValue();
for (int i = 0; i < newSearchMatches.length; i++) {
SearchMatch newMatch = newSearchMatches[i];
addReferenceShadowedError(cu, newMatch, newElementName, result);
}
}
return result;
}
private static void analyzeChanges(
ICompilationUnit cu,
TextChange change,
SearchMatch[] oldMatches,
SearchMatch[] newMatches,
String newElementName,
RefactoringStatus result) {
Map<Integer, SearchMatch> updatedOldOffsets = getUpdatedChangeOffsets(change, oldMatches);
for (int i = 0; i < newMatches.length; i++) {
SearchMatch newMatch = newMatches[i];
Integer offsetInNew = new Integer(newMatch.getOffset());
SearchMatch oldMatch = updatedOldOffsets.remove(offsetInNew);
if (oldMatch == null) {
addReferenceShadowedError(cu, newMatch, newElementName, result);
}
}
for (Iterator<SearchMatch> iter = updatedOldOffsets.values().iterator(); iter.hasNext(); ) {
// remaining old matches are not found any more -> they have been shadowed
SearchMatch oldMatch = iter.next();
addShadowsError(cu, oldMatch, result);
}
}