blob: 5e0cf2ce11d4b9f51cd7b8a816ac7b95b61aaf98 [file] [log] [blame]
// 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 'dart:async' show Future;
import 'package:front_end/src/api_prototype/file_system.dart';
import 'package:front_end/src/api_prototype/standard_file_system.dart';
import 'package:front_end/src/base/processed_options.dart';
import 'package:front_end/src/kernel_generator_impl.dart';
import 'package:kernel/kernel.dart' show Program;
import 'package:kernel/target/targets.dart' show Target;
import '../api_prototype/compiler_options.dart';
import 'compiler_state.dart';
export 'compiler_state.dart';
export '../api_prototype/compilation_message.dart';
class DdcResult {
final Program program;
final List<Program> inputSummaries;
DdcResult(this.program, this.inputSummaries);
Future<InitializedCompilerState> initializeCompiler(
InitializedCompilerState oldState,
Uri sdkSummary,
Uri packagesFile,
List<Uri> inputSummaries,
Target target,
{FileSystem fileSystem}) async {
inputSummaries.sort((a, b) => a.toString().compareTo(b.toString()));
bool listEqual(List<Uri> a, List<Uri> b) {
if (a.length != b.length) return false;
for (int i = 0; i < a.length; ++i) {
if (a[i] != b[i]) return false;
return true;
if (oldState != null &&
oldState.options.sdkSummary == sdkSummary &&
oldState.options.packagesFileUri == packagesFile &&
listEqual(oldState.options.inputSummaries, inputSummaries)) {
// Reuse old state.
// These libraries are marked external when compiling. If not un-marking
// them compilation will fail.
// Remove once [kernel_generator_impl.dart] no longer marks the libraries
// as external.
(await oldState.processedOpts.loadSdkSummary(null))
.forEach((lib) => lib.isExternal = false);
(await oldState.processedOpts.loadInputSummaries(null))
.forEach((p) => p.libraries.forEach((lib) => lib.isExternal = false));
return oldState;
CompilerOptions options = new CompilerOptions()
..sdkSummary = sdkSummary
..packagesFileUri = packagesFile
..inputSummaries = inputSummaries = target
..fileSystem = fileSystem ?? StandardFileSystem.instance
..chaseDependencies = true
..reportMessages = true;
ProcessedOptions processedOpts = new ProcessedOptions(options, true, []);
return new InitializedCompilerState(options, processedOpts);
Future<DdcResult> compile(InitializedCompilerState compilerState,
List<Uri> inputs, ErrorHandler errorHandler) async {
CompilerOptions options = compilerState.options;
options..onError = errorHandler;
ProcessedOptions processedOpts = compilerState.processedOpts;
var compilerResult = await generateKernel(processedOpts);
var program = compilerResult?.program;
if (program == null) return null;
// This should be cached.
var summaries = await processedOpts.loadInputSummaries(null);
return new DdcResult(program, summaries);