pkg/front_end/lib/src/fasta/type_inference/inference_helper.dart

// Copyright (c) 2018, 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 '../fasta_codes.dart' show LocatedMessage, Message;

import '../kernel/kernel_ast_api.dart'
    show ArgumentsJudgment, Expression, FunctionType;

abstract class InferenceHelper {
  Expression wrapInCompileTimeError(Expression expression, Message message);

  Expression buildCompileTimeError(Message message, int charOffset, int length,
      {List<LocatedMessage> context});

  LocatedMessage checkArgumentsForType(
      FunctionType function, ArgumentsJudgment arguments, int offset);

  void addProblem(Message message, int charOffset, int length);

  Expression wrapInProblem(Expression expression, Message message, int length,
      {List<LocatedMessage> context});
}