public static void diagnosticsDiff(
Map<Diagnostic, TextDiagnostic> diagnosticToExpectedDiagnostic,
List<DiagnosedRange> expected,
Collection<Diagnostic> actual,
DiagnosticDiffCallbacks callbacks) {
assertSameFile(actual);
Iterator<DiagnosedRange> expectedDiagnostics = expected.iterator();
List<DiagnosticDescriptor> sortedDiagnosticDescriptors = getSortedDiagnosticDescriptors(actual);
Iterator<DiagnosticDescriptor> actualDiagnostics = sortedDiagnosticDescriptors.iterator();
DiagnosedRange currentExpected = safeAdvance(expectedDiagnostics);
DiagnosticDescriptor currentActual = safeAdvance(actualDiagnostics);
while (currentExpected != null || currentActual != null) {
if (currentExpected != null) {
if (currentActual == null) {
missingDiagnostics(callbacks, currentExpected);
currentExpected = safeAdvance(expectedDiagnostics);
} else {
int expectedStart = currentExpected.getStart();
int actualStart = currentActual.getStart();
int expectedEnd = currentExpected.getEnd();
int actualEnd = currentActual.getEnd();
if (expectedStart < actualStart) {
missingDiagnostics(callbacks, currentExpected);
currentExpected = safeAdvance(expectedDiagnostics);
} else if (expectedStart > actualStart) {
unexpectedDiagnostics(currentActual.getDiagnostics(), callbacks);
currentActual = safeAdvance(actualDiagnostics);
} else if (expectedEnd > actualEnd) {
assert expectedStart == actualStart;
missingDiagnostics(callbacks, currentExpected);
currentExpected = safeAdvance(expectedDiagnostics);
} else if (expectedEnd < actualEnd) {
assert expectedStart == actualStart;
unexpectedDiagnostics(currentActual.getDiagnostics(), callbacks);
currentActual = safeAdvance(actualDiagnostics);
} else {
compareDiagnostics(
callbacks, currentExpected, currentActual, diagnosticToExpectedDiagnostic);
currentExpected = safeAdvance(expectedDiagnostics);
currentActual = safeAdvance(actualDiagnostics);
}
}
} else {
//noinspection ConstantConditions
assert (currentActual != null);
unexpectedDiagnostics(currentActual.getDiagnostics(), callbacks);
currentActual = safeAdvance(actualDiagnostics);
}
}
}
