Jens Johansen
61b84f24a0
Change-Id: Id8b0959ab128f0c7a625d2a386292c4478957418 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/333925 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Jens Johansen <jensj@google.com>
597 lines
21 KiB
Dart
597 lines
21 KiB
Dart
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library fasta.tool.entry_points;
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import 'dart:convert' show JsonEncoder, LineSplitter, jsonDecode, utf8;
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import 'dart:io' show File, Platform, stderr, stdin, stdout;
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import 'dart:typed_data' show Uint8List;
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import 'package:_fe_analyzer_shared/src/util/relativize.dart'
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show isWindows, relativizeUri;
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import 'package:front_end/src/api_prototype/compiler_options.dart'
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show CompilerOptions;
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import 'package:front_end/src/api_prototype/kernel_generator.dart';
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import 'package:front_end/src/base/processed_options.dart'
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show ProcessedOptions;
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import 'package:front_end/src/fasta/compiler_context.dart' show CompilerContext;
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import 'package:front_end/src/fasta/dill/dill_target.dart' show DillTarget;
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import 'package:front_end/src/fasta/fasta_codes.dart'
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show LocatedMessage, codeInternalProblemVerificationError;
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import 'package:front_end/src/fasta/get_dependencies.dart' show getDependencies;
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import 'package:front_end/src/fasta/incremental_compiler.dart'
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show IncrementalCompiler;
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import 'package:front_end/src/fasta/kernel/benchmarker.dart'
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show BenchmarkPhases, Benchmarker;
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import 'package:front_end/src/fasta/kernel/kernel_target.dart'
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show BuildResult, KernelTarget;
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import 'package:front_end/src/fasta/kernel/utils.dart'
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show printComponentText, writeComponentToFile;
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import 'package:front_end/src/fasta/ticker.dart' show Ticker;
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import 'package:front_end/src/fasta/uri_translator.dart' show UriTranslator;
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import 'package:front_end/src/kernel_generator_impl.dart'
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show generateKernelInternal;
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import 'package:front_end/src/linux_and_intel_specific_perf.dart';
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import 'package:kernel/kernel.dart'
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show
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CanonicalName,
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Component,
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Library,
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RecursiveVisitor,
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Source,
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loadComponentFromBytes;
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import 'package:kernel/src/types.dart' show Types;
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import 'package:kernel/target/targets.dart' show Target, TargetFlags, getTarget;
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import 'package:kernel/verifier.dart';
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import 'additional_targets.dart' show installAdditionalTargets;
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import 'bench_maker.dart' show BenchMaker;
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import 'command_line.dart' show runProtectedFromAbort, withGlobalOptions;
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const bool benchmark =
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const bool.fromEnvironment("benchmark", defaultValue: false);
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const bool summary =
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const bool.fromEnvironment("summary", defaultValue: false) || benchmark;
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const int iterations = const int.fromEnvironment("iterations", defaultValue: 1);
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Future<void> compileEntryPoint(List<String> arguments) async {
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if (Platform.environment["dart_cfe_intel_pt"] == "true") {
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print("Notice: Locating perf for profiling using intel_pt events.");
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linuxAndIntelSpecificPerf(onlyInitialize: true);
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}
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installAdditionalTargets();
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// Timing results for each iteration
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List<double> elapsedTimes = <double>[];
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List<Benchmarker> benchmarkers = <Benchmarker>[];
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for (int i = 0; i < iterations; i++) {
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if (i > 0) {
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print("\n\n=== Iteration ${i + 1} of $iterations");
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}
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Stopwatch stopwatch = new Stopwatch()..start();
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Benchmarker? benchmarker;
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if (benchmark) {
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benchmarker = new Benchmarker();
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benchmarkers.add(benchmarker);
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}
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await compile(arguments, benchmarker: benchmarker);
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benchmarker?.stop();
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stopwatch.stop();
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elapsedTimes.add(stopwatch.elapsedMilliseconds.toDouble());
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List<Object>? typeChecks = Types.typeChecksForTesting;
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if (typeChecks?.isNotEmpty ?? false) {
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BenchMaker.writeTypeChecks("type_checks.json", typeChecks!);
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}
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}
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summarize(elapsedTimes, benchmarkers);
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}
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Future<void> outlineEntryPoint(List<String> arguments) async {
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installAdditionalTargets();
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// Timing results for each iteration
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List<double> elapsedTimes = <double>[];
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List<Benchmarker> benchmarkers = <Benchmarker>[];
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for (int i = 0; i < iterations; i++) {
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if (i > 0) {
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print("\n\n=== Iteration ${i + 1} of $iterations");
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}
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Stopwatch stopwatch = new Stopwatch()..start();
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Benchmarker? benchmarker;
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if (benchmark) {
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benchmarker = new Benchmarker();
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benchmarkers.add(benchmarker);
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}
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await outline(arguments, benchmarker: benchmarker);
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benchmarker?.stop();
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stopwatch.stop();
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elapsedTimes.add(stopwatch.elapsedMilliseconds.toDouble());
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}
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summarize(elapsedTimes, benchmarkers);
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}
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void summarize(List<double> elapsedTimes, List<Benchmarker> benchmarkers) {
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if (summary) {
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Map<String, dynamic> map = <String, dynamic>{
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'elapsedTimes': elapsedTimes,
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if (benchmarkers.isNotEmpty) 'benchmarkers': benchmarkers
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};
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JsonEncoder encoder = new JsonEncoder.withIndent(" ");
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String json = encoder.convert(map);
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print('\nSummary:\n\n$json\n');
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} else {
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assert(benchmarkers.isEmpty);
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}
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}
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Future<void> depsEntryPoint(List<String> arguments) async {
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installAdditionalTargets();
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for (int i = 0; i < iterations; i++) {
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if (i > 1) {
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print("\n");
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}
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await deps(arguments);
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}
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}
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Future<void> compilePlatformEntryPoint(List<String> arguments) async {
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installAdditionalTargets();
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for (int i = 0; i < iterations; i++) {
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if (i > 0) {
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print("\n");
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}
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await runProtectedFromAbort<void>(() => compilePlatform(arguments));
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}
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}
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Future<void> batchEntryPoint(List<String> arguments) {
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installAdditionalTargets();
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return new BatchCompiler(
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stdin.transform(utf8.decoder).transform(new LineSplitter()))
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.run();
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}
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class BatchCompiler {
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final Stream<String>? lines;
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Uri? platformUri;
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Component? platformComponent;
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bool hadVerifyError = false;
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BatchCompiler(this.lines);
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Future<void> run() async {
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await for (String line in lines!) {
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try {
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if (await batchCompileArguments(
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new List<String>.from(jsonDecode(line)))) {
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stdout.writeln(">>> TEST OK");
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} else {
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stdout.writeln(">>> TEST FAIL");
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}
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} catch (e, trace) {
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stderr.writeln("Unhandled exception:\n $e");
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stderr.writeln(trace);
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stdout.writeln(">>> TEST CRASH");
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}
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await stdout.flush();
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stderr.writeln(">>> EOF STDERR");
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await stderr.flush();
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}
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}
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Future<bool> batchCompileArguments(List<String> arguments) {
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return runProtectedFromAbort<bool>(
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() => withGlobalOptions<bool>("compile", arguments, true,
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(CompilerContext c, _) => batchCompileImpl(c)),
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false);
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}
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Future<bool> batchCompile(CompilerOptions options, Uri input, Uri output) {
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return CompilerContext.runWithOptions(
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new ProcessedOptions(
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options: options, inputs: <Uri>[input], output: output),
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batchCompileImpl);
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}
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Future<bool> batchCompileImpl(CompilerContext c) async {
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ProcessedOptions options = c.options;
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bool verbose = options.verbose;
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Ticker ticker = new Ticker(isVerbose: verbose);
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if (platformComponent == null ||
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platformUri != options.sdkSummary ||
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hadVerifyError) {
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platformUri = options.sdkSummary;
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platformComponent = await options.loadSdkSummary(null);
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if (platformComponent == null) {
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throw "platformComponent is null";
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}
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hadVerifyError = false;
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} else {
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options.sdkSummaryComponent = platformComponent!;
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}
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CompileTask task = new CompileTask(c, ticker);
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await task.compile(omitPlatform: true, supportAdditionalDills: false);
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CanonicalName root = platformComponent!.root;
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for (Library library in platformComponent!.libraries) {
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library.parent = platformComponent;
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CanonicalName? name = library.reference.canonicalName;
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if (name != null && name.parent != root) {
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root.adoptChild(name);
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}
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}
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for (Object error in c.errors) {
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if (error is LocatedMessage) {
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if (error.messageObject.code == codeInternalProblemVerificationError) {
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hadVerifyError = true;
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}
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}
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}
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return c.errors.isEmpty;
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}
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}
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Future<void> incrementalEntryPoint(List<String> arguments) async {
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installAdditionalTargets();
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await withGlobalOptions("incremental", arguments, true,
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(CompilerContext c, _) {
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// TODO(ahe): Extend this entry point so it can replace
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// batchEntryPoint.
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new IncrementalCompiler(c);
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return Future<void>.value();
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});
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}
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Future<KernelTarget> outline(List<String> arguments,
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{Benchmarker? benchmarker}) async {
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return await runProtectedFromAbort<KernelTarget>(() async {
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return await withGlobalOptions("outline", arguments, true,
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(CompilerContext c, _) async {
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if (c.options.verbose) {
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print("Building outlines for ${arguments.join(' ')}");
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}
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CompileTask task =
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new CompileTask(c, new Ticker(isVerbose: c.options.verbose));
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return await task.buildOutline(
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output: c.options.output,
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omitPlatform: c.options.omitPlatform,
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benchmarker: benchmarker);
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});
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});
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}
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Future<Uri> compile(List<String> arguments, {Benchmarker? benchmarker}) async {
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return await runProtectedFromAbort<Uri>(() async {
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return await withGlobalOptions("compile", arguments, true,
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(CompilerContext c, _) async {
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if (c.options.verbose) {
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print("Compiling directly to Kernel: ${arguments.join(' ')}");
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}
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CompileTask task =
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new CompileTask(c, new Ticker(isVerbose: c.options.verbose));
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return await task.compile(
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omitPlatform: c.options.omitPlatform, benchmarker: benchmarker);
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});
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});
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}
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Future<Uri?> deps(List<String> arguments) async {
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return await runProtectedFromAbort<Uri?>(() async {
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return await withGlobalOptions("deps", arguments, true,
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(CompilerContext c, _) async {
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if (c.options.verbose) {
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print("Computing deps: ${arguments.join(' ')}");
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}
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CompileTask task =
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new CompileTask(c, new Ticker(isVerbose: c.options.verbose));
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return await task.buildDeps(c.options.output);
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});
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});
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}
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class CompileTask {
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final CompilerContext c;
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final Ticker ticker;
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CompileTask(this.c, this.ticker);
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DillTarget createDillTarget(UriTranslator uriTranslator,
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{Benchmarker? benchmarker}) {
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return new DillTarget(ticker, uriTranslator, c.options.target,
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benchmarker: benchmarker);
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}
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KernelTarget createKernelTarget(
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DillTarget dillTarget, UriTranslator uriTranslator) {
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return new KernelTarget(c.fileSystem, false, dillTarget, uriTranslator);
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}
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Future<Uri?> buildDeps([Uri? output]) async {
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UriTranslator uriTranslator = await c.options.getUriTranslator();
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ticker.logMs("Read packages file");
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DillTarget dillTarget = createDillTarget(uriTranslator);
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KernelTarget kernelTarget = createKernelTarget(dillTarget, uriTranslator);
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Uri? platform = c.options.sdkSummary;
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if (platform != null) {
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// TODO(CFE-Team): Probably this should be read through the filesystem as
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// well and the recording would be automatic.
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_appendDillForUri(dillTarget, platform);
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CompilerContext.recordDependency(platform);
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}
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kernelTarget.setEntryPoints(c.options.inputs);
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dillTarget.buildOutlines();
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await kernelTarget.loader.buildOutlines();
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Uri? dFile;
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if (output != null) {
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dFile = new File(new File.fromUri(output).path + ".d").uri;
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await writeDepsFile(output, dFile, c.dependencies);
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}
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return dFile;
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}
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Future<KernelTarget> buildOutline(
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{Uri? output,
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bool omitPlatform = false,
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bool supportAdditionalDills = true,
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Benchmarker? benchmarker}) async {
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KernelTarget kernelTarget =
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await _createKernelTarget(benchmarker: benchmarker);
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BuildResult buildResult = await _buildOutline(kernelTarget,
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output: output,
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omitPlatform: omitPlatform,
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supportAdditionalDills: supportAdditionalDills);
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buildResult.macroApplications?.close();
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return kernelTarget;
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}
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Future<KernelTarget> _createKernelTarget({Benchmarker? benchmarker}) async {
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UriTranslator uriTranslator = await c.options.getUriTranslator();
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ticker.logMs("Read packages file");
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DillTarget dillTarget =
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createDillTarget(uriTranslator, benchmarker: benchmarker);
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return createKernelTarget(dillTarget, uriTranslator);
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}
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Future<BuildResult> _buildOutline(KernelTarget kernelTarget,
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{Uri? output,
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bool omitPlatform = false,
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bool supportAdditionalDills = true}) async {
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DillTarget dillTarget = kernelTarget.dillTarget;
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Benchmarker? benchmarker = dillTarget.benchmarker;
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if (supportAdditionalDills) {
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benchmarker?.enterPhase(BenchmarkPhases.loadSDK);
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Component? sdkSummary = await c.options.loadSdkSummary(null);
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if (sdkSummary != null) {
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dillTarget.loader.appendLibraries(sdkSummary);
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}
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benchmarker?.enterPhase(BenchmarkPhases.loadAdditionalDills);
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CanonicalName nameRoot = sdkSummary?.root ?? new CanonicalName.root();
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for (Component additionalDill
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in await c.options.loadAdditionalDills(nameRoot)) {
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dillTarget.loader.appendLibraries(additionalDill);
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}
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} else {
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benchmarker?.enterPhase(BenchmarkPhases.loadSDK);
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Component? sdkSummary = await c.options.loadSdkSummary(null);
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if (sdkSummary != null) {
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dillTarget.loader.appendLibraries(sdkSummary);
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}
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}
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kernelTarget.setEntryPoints(c.options.inputs);
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dillTarget.buildOutlines();
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BuildResult buildResult = await kernelTarget.buildOutlines();
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Component? outline = buildResult.component;
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if (c.options.debugDump && output != null) {
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benchmarker?.enterPhase(BenchmarkPhases.printComponentText);
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printComponentText(outline,
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libraryFilter: kernelTarget.isSourceLibraryForDebugging,
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showOffsets: c.options.debugDumpShowOffsets);
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}
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if (output != null) {
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if (omitPlatform) {
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benchmarker?.enterPhase(BenchmarkPhases.omitPlatform);
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outline!.computeCanonicalNames();
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Component userCode = new Component(
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nameRoot: outline.root,
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uriToSource: new Map<Uri, Source>.from(outline.uriToSource));
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userCode.setMainMethodAndMode(
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outline.mainMethodName, true, outline.mode);
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for (Library library in outline.libraries) {
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if (!library.importUri.isScheme("dart")) {
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userCode.libraries.add(library);
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}
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}
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outline = userCode;
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}
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benchmarker?.enterPhase(BenchmarkPhases.writeComponent);
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await writeComponentToFile(outline!, output);
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ticker.logMs("Wrote outline to ${output.toFilePath()}");
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}
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benchmarker?.enterPhase(BenchmarkPhases.unknown);
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return buildResult;
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}
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Future<Uri> compile(
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{bool omitPlatform = false,
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bool supportAdditionalDills = true,
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Benchmarker? benchmarker}) async {
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c.options.reportNullSafetyCompilationModeInfo();
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KernelTarget kernelTarget =
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await _createKernelTarget(benchmarker: benchmarker);
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BuildResult buildResult = await _buildOutline(kernelTarget,
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supportAdditionalDills: supportAdditionalDills);
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Uri uri = c.options.output!;
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buildResult = await kernelTarget.buildComponent(
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macroApplications: buildResult.macroApplications,
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verify: c.options.verify);
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buildResult.macroApplications?.close();
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Component component = buildResult.component!;
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if (c.options.debugDump) {
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benchmarker?.enterPhase(BenchmarkPhases.printComponentText);
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printComponentText(component,
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libraryFilter: kernelTarget.isSourceLibraryForDebugging,
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showOffsets: c.options.debugDumpShowOffsets);
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}
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if (omitPlatform) {
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benchmarker?.enterPhase(BenchmarkPhases.omitPlatform);
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component.computeCanonicalNames();
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Component userCode = new Component(
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nameRoot: component.root,
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uriToSource: new Map<Uri, Source>.from(component.uriToSource));
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userCode.setMainMethodAndMode(
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component.mainMethodName, true, component.mode);
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for (Library library in component.libraries) {
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if (!library.importUri.isScheme("dart")) {
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userCode.libraries.add(library);
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}
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}
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component = userCode;
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}
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if (uri.isScheme("file")) {
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benchmarker?.enterPhase(BenchmarkPhases.writeComponent);
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await writeComponentToFile(component, uri);
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ticker.logMs("Wrote component to ${uri.toFilePath()}");
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}
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if (benchmarker != null) {
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// When benchmarking also do a recursive visit of the produced component
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// that does nothing other than visiting everything. Do this to produce
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// a reference point for comparing inference time and serialization time.
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benchmarker.enterPhase(BenchmarkPhases.benchmarkAstVisit);
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Component component = buildResult.component!;
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component.accept(new EmptyRecursiveVisitorForBenchmarking());
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}
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benchmarker?.enterPhase(BenchmarkPhases.unknown);
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return uri;
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}
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}
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class EmptyRecursiveVisitorForBenchmarking extends RecursiveVisitor {}
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/// Load the [Component] from the given [uri] and append its libraries
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/// to the [dillTarget].
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Component _appendDillForUri(DillTarget dillTarget, Uri uri) {
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Uint8List bytes = new File.fromUri(uri).readAsBytesSync();
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Component platformComponent = loadComponentFromBytes(bytes);
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dillTarget.loader.appendLibraries(platformComponent, byteCount: bytes.length);
|
|
return platformComponent;
|
|
}
|
|
|
|
Future<void> compilePlatform(List<String> arguments) async {
|
|
await withGlobalOptions("compile_platform", arguments, false,
|
|
(CompilerContext c, List<String> restArguments) {
|
|
c.compilingPlatform = true;
|
|
Uri hostPlatform = Uri.base.resolveUri(new Uri.file(restArguments[2]));
|
|
Uri outlineOutput = Uri.base.resolveUri(new Uri.file(restArguments[4]));
|
|
return compilePlatformInternal(
|
|
c, c.options.output!, outlineOutput, hostPlatform);
|
|
});
|
|
}
|
|
|
|
Future<void> compilePlatformInternal(CompilerContext c, Uri fullOutput,
|
|
Uri outlineOutput, Uri hostPlatform) async {
|
|
if (c.options.verbose) {
|
|
print("Generating outline of ${c.options.sdkRoot} into $outlineOutput");
|
|
print("Compiling ${c.options.sdkRoot} to $fullOutput");
|
|
}
|
|
|
|
CompilerResult result =
|
|
await generateKernelInternal(buildSummary: true, buildComponent: true);
|
|
new File.fromUri(outlineOutput).writeAsBytesSync(result.summary!);
|
|
c.options.ticker.logMs("Wrote outline to ${outlineOutput.toFilePath()}");
|
|
|
|
verifyComponent(c.options.target,
|
|
VerificationStage.afterModularTransformations, result.component!);
|
|
await writeComponentToFile(result.component!, fullOutput);
|
|
|
|
c.options.ticker.logMs("Wrote component to ${fullOutput.toFilePath()}");
|
|
|
|
if (c.options.emitDeps) {
|
|
List<Uri> deps = result.deps.toList();
|
|
for (Uri dependency in await computeHostDependencies(hostPlatform)) {
|
|
// Add the dependencies of the compiler's own sources.
|
|
if (dependency != outlineOutput) {
|
|
// We're computing the dependencies for [outlineOutput], so we shouldn't
|
|
// include it in the deps file.
|
|
deps.add(dependency);
|
|
}
|
|
}
|
|
await writeDepsFile(fullOutput,
|
|
new File(new File.fromUri(fullOutput).path + ".d").uri, deps);
|
|
}
|
|
}
|
|
|
|
Future<List<Uri>> computeHostDependencies(Uri hostPlatform) {
|
|
// Returns a list of source files that make up the Fasta compiler (the files
|
|
// the Dart VM reads to run Fasta). Until Fasta is self-hosting (in strong
|
|
// mode), this is only an approximation, albeit accurate. Once Fasta is
|
|
// self-hosting, this isn't an approximation. Regardless, strong mode
|
|
// shouldn't affect which files are read.
|
|
Target? hostTarget = getTarget("vm", new TargetFlags());
|
|
return getDependencies(Platform.script,
|
|
platform: hostPlatform, target: hostTarget);
|
|
}
|
|
|
|
Future<void> writeDepsFile(
|
|
Uri output, Uri depsFile, List<Uri> allDependencies) async {
|
|
if (allDependencies.isEmpty) return;
|
|
String toRelativeFilePath(Uri uri) {
|
|
// Ninja expects to find file names relative to the current working
|
|
// directory. We've tried making them relative to the deps file, but that
|
|
// doesn't work for downstream projects. Making them absolute also
|
|
// doesn't work.
|
|
//
|
|
// We can test if it works by running ninja twice, for example:
|
|
//
|
|
// ninja -C xcodebuild/ReleaseX64 -d explain compile_platform
|
|
// ninja -C xcodebuild/ReleaseX64 -d explain compile_platform
|
|
//
|
|
// The second time, ninja should say:
|
|
//
|
|
// ninja: Entering directory `xcodebuild/ReleaseX64'
|
|
// ninja: no work to do.
|
|
//
|
|
// It's broken if it says something like this:
|
|
//
|
|
// ninja explain: expected depfile 'vm_platform.dill.d' to mention \
|
|
// 'vm_platform.dill', got '/.../xcodebuild/ReleaseX64/vm_platform.dill'
|
|
return Uri.parse(relativizeUri(Uri.base, uri, isWindows)).toFilePath();
|
|
}
|
|
|
|
StringBuffer sb = new StringBuffer();
|
|
sb.write(toRelativeFilePath(output));
|
|
sb.write(":");
|
|
List<String> paths = new List<String>.generate(
|
|
allDependencies.length, (int i) => toRelativeFilePath(allDependencies[i]),
|
|
growable: false);
|
|
// Sort the relative paths to ease analyzing future changes to this code.
|
|
paths.sort();
|
|
String? previous;
|
|
for (String path in paths) {
|
|
// Check for and omit duplicates.
|
|
if (path != previous) {
|
|
previous = path;
|
|
sb.write(" \\\n ");
|
|
sb.write(path);
|
|
}
|
|
}
|
|
sb.writeln();
|
|
await new File.fromUri(depsFile).writeAsString("$sb");
|
|
}
|