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// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'package:analyzer/error/error.dart';
import 'package:analyzer/source/error_processor.dart';
import 'package:analyzer/src/error/codes.dart';
import 'package:analyzer/src/generated/engine.dart';
import 'package:analyzer_cli/src/options.dart';
/// Compute the severity of the error; however:
/// - if [options.enableTypeChecks] is false, then de-escalate checked-mode
/// compile time errors to a severity of [ErrorSeverity.INFO].
/// - if [options.lintsAreFatal] is true, escalate lints to errors.
ErrorSeverity? computeSeverity(
AnalysisError error,
CommandLineOptions commandLineOptions,
AnalysisOptions analysisOptions,
) {
var processor = ErrorProcessor.getProcessor(analysisOptions, error);
// If there is a processor for this error, defer to it.
if (processor != null) {
return processor.severity;
if (commandLineOptions.lintsAreFatal && error.errorCode is LintCode) {
return ErrorSeverity.ERROR;
return error.errorCode.errorSeverity;
/// Check various configuration options to get a desired severity for this
/// [error] (or `null` if it's to be suppressed).
ErrorSeverity? determineProcessedSeverity(AnalysisError error,
CommandLineOptions commandLineOptions, AnalysisOptions analysisOptions) {
var severity = computeSeverity(error, commandLineOptions, analysisOptions);
// Skip TODOs categorically unless escalated to ERROR or HINT (#26215).
if (error.errorCode.type == ErrorType.TODO &&
severity == ErrorSeverity.INFO) {
return null;
// TODO(devoncarew): We should not filter hints here.
// If not overridden, some "natural" severities get globally filtered.
// Check for global hint filtering.
if (severity == ErrorSeverity.INFO && commandLineOptions.disableHints) {
return null;
return severity;