blob: 6f1bc12d771947e8524f3d982ca42b8ec6813adc [file] [log] [blame]
// 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.
// @dart = 2.9
import 'dart:io' show File;
import 'package:_fe_analyzer_shared/src/messages/diagnostic_message.dart'
show DiagnosticMessage, getMessageCodeObject;
import 'package:_fe_analyzer_shared/src/messages/severity.dart' show Severity;
import 'package:expect/expect.dart' show Expect;
import 'package:front_end/src/api_prototype/compiler_options.dart'
show CompilerOptions;
import 'package:front_end/src/api_prototype/experimental_flags.dart';
import "package:front_end/src/api_prototype/memory_file_system.dart"
show MemoryFileSystem;
import 'package:front_end/src/api_unstable/bazel_worker.dart';
import 'package:front_end/src/base/processed_options.dart'
show ProcessedOptions;
import 'package:front_end/src/compute_platform_binaries_location.dart'
show computePlatformBinariesLocation;
import 'package:front_end/src/fasta/compiler_context.dart' show CompilerContext;
import 'package:front_end/src/fasta/fasta_codes.dart'
show
Code,
codeInitializeFromDillNotSelfContained,
codeInitializeFromDillNotSelfContainedNoDump,
codeInitializeFromDillUnknownProblem,
codeInitializeFromDillUnknownProblemNoDump;
import 'package:front_end/src/fasta/incremental_compiler.dart'
show IncrementalCompiler;
import 'package:front_end/src/fasta/kernel/utils.dart' show serializeComponent;
import 'package:kernel/kernel.dart'
show Component, Library, NonNullableByDefaultCompiledMode;
import 'incremental_load_from_dill_suite.dart' show getOptions;
Future<Null> main() async {
Tester tester = new Tester();
await tester.initialize();
await tester.test();
}
class Tester {
Uri sdkRoot;
Uri base;
Uri sdkSummary;
Uri initializeFrom;
Uri helperFile;
Uri helper2File;
Uri entryPoint;
Uri entryPointImportDartFoo;
Uri platformUri;
List<int> sdkSummaryData;
List<DiagnosticMessage> errorMessages;
List<DiagnosticMessage> warningMessages;
MemoryFileSystem fs;
CompilerOptions options;
IncrementalCompiler compiler;
void compileExpectInitializeFailAndSpecificWarning(
Code expectedWarningCode, bool writeFileOnCrashReport) async {
errorMessages.clear();
warningMessages.clear();
options.writeFileOnCrashReport = writeFileOnCrashReport;
compiler = new DeleteTempFilesIncrementalCompiler(
new CompilerContext(
new ProcessedOptions(options: options, inputs: [entryPoint])),
initializeFrom);
await compiler.computeDelta();
if (compiler.initializedFromDill) {
Expect.fail("Expected to not be able to initialized from dill, but did.");
}
if (errorMessages.isNotEmpty) {
Expect.fail("Got unexpected errors: " + joinMessages(errorMessages));
}
if (warningMessages.length != 1) {
Expect.fail("Got unexpected errors: Expected one, got this: " +
joinMessages(warningMessages));
}
if (getMessageCodeObject(warningMessages[0]) != expectedWarningCode) {
Expect.fail("Expected ${expectedWarningCode.name} but got " +
joinMessages(warningMessages));
}
}
Future<Component> compileExpectOk(
bool initializedFromDill, Uri compileThis) async {
errorMessages.clear();
warningMessages.clear();
options.writeFileOnCrashReport = false;
compiler = new DeleteTempFilesIncrementalCompiler(
new CompilerContext(
new ProcessedOptions(options: options, inputs: [compileThis])),
initializeFrom);
Component component = await compiler.computeDelta();
if (compiler.initializedFromDill != initializedFromDill) {
Expect.fail("Expected initializedFromDill to be $initializedFromDill "
"but was ${compiler.initializedFromDill}");
}
if (errorMessages.isNotEmpty) {
Expect.fail("Got unexpected errors: " + joinMessages(errorMessages));
}
if (warningMessages.isNotEmpty) {
Expect.fail("Got unexpected warnings: " + joinMessages(warningMessages));
}
return component;
}
initialize() async {
sdkRoot = computePlatformBinariesLocation(forceBuildDir: true);
base = Uri.parse("org-dartlang-test:///");
sdkSummary = base.resolve("vm_platform.dill");
initializeFrom = base.resolve("initializeFrom.dill");
helperFile = base.resolve("helper.dart");
helper2File = base.resolve("helper2.dart");
entryPoint = base.resolve("small.dart");
entryPointImportDartFoo = base.resolve("small_foo.dart");
platformUri = sdkRoot.resolve("vm_platform_strong.dill");
sdkSummaryData = await new File.fromUri(platformUri).readAsBytes();
errorMessages = <DiagnosticMessage>[];
warningMessages = <DiagnosticMessage>[];
fs = new MemoryFileSystem(base);
options = getOptions();
options.fileSystem = fs;
options.sdkRoot = null;
options.sdkSummary = sdkSummary;
options.omitPlatform = true;
options.onDiagnostic = (DiagnosticMessage message) {
if (message.severity == Severity.error) {
errorMessages.add(message);
} else if (message.severity == Severity.warning) {
warningMessages.add(message);
}
};
fs.entityForUri(sdkSummary).writeAsBytesSync(sdkSummaryData);
fs.entityForUri(helperFile).writeAsStringSync("""
foo() {
print("hello from foo");
}
""");
fs.entityForUri(helper2File).writeAsStringSync("""
foo2() {
print("hello from foo2");
}
""");
fs.entityForUri(entryPoint).writeAsStringSync("""
import "helper.dart" as helper;
main() {
helper.foo();
}
""");
fs.entityForUri(entryPointImportDartFoo).writeAsStringSync("""
import "dart:foo" as helper;
main() {
helper.foo2();
}
""");
}
Future<Null> test() async {
compiler = new IncrementalCompiler(
new CompilerContext(
new ProcessedOptions(options: options, inputs: [entryPoint])),
initializeFrom);
Component componentGood = await compiler.computeDelta();
List<int> dataGood = serializeComponent(componentGood);
fs.entityForUri(initializeFrom).writeAsBytesSync(dataGood);
// Create fake "dart:foo" library.
options.omitPlatform = false;
compiler = new IncrementalCompiler(
new CompilerContext(
new ProcessedOptions(options: options, inputs: [helper2File])),
initializeFrom);
Component componentHelper = await compiler.computeDelta();
Library helper2Lib = componentHelper.libraries
.firstWhere((lib) => lib.importUri == helper2File);
helper2Lib.importUri = new Uri(scheme: "dart", path: "foo");
List<int> sdkWithDartFoo = serializeComponent(componentHelper);
options.omitPlatform = true;
// Compile with our fake sdk with dart:foo should be ok.
List<int> orgSdkBytes = await fs.entityForUri(sdkSummary).readAsBytes();
fs.entityForUri(sdkSummary).writeAsBytesSync(sdkWithDartFoo);
Component component = await compileExpectOk(true, entryPointImportDartFoo);
fs.entityForUri(sdkSummary).writeAsBytesSync(orgSdkBytes);
if (component.libraries.length != 1) {
Expect.fail("Expected 1 library, got ${component.libraries.length}: "
"${component.libraries}");
}
List<int> dataLinkedToSdkWithFoo = serializeComponent(component);
// Initialize from good dill file should be ok.
await compileExpectOk(true, entryPoint);
// Create a partial dill file.
compiler.invalidate(entryPoint);
component = await compiler.computeDelta();
if (component.libraries.length != 1) {
Expect.fail("Expected 1 library, got ${component.libraries.length}: "
"${component.libraries}");
}
List<int> data = serializeComponent(component);
fs.entityForUri(initializeFrom).writeAsBytesSync(data);
// Initializing from partial dill should not be ok.
await compileExpectInitializeFailAndSpecificWarning(
codeInitializeFromDillNotSelfContained, true);
await compileExpectInitializeFailAndSpecificWarning(
codeInitializeFromDillNotSelfContainedNoDump, false);
// Create a invalid dill file to load from: Should not be ok.
data = new List<int>.filled(42, 42);
fs.entityForUri(initializeFrom).writeAsBytesSync(data);
await compileExpectInitializeFailAndSpecificWarning(
codeInitializeFromDillUnknownProblem, true);
await compileExpectInitializeFailAndSpecificWarning(
codeInitializeFromDillUnknownProblemNoDump, false);
// Create a dill with a reference to a non-existing sdk thing:
// Should be ok (for now), but we shouldn't actually initialize from dill.
fs.entityForUri(initializeFrom).writeAsBytesSync(dataLinkedToSdkWithFoo);
await compileExpectOk(false, entryPoint);
// Try to initialize from a dill which contains mixed compilation modes:
// Should be ok, but we shouldn't actually initialize from dill.
List<int> mixedPart1;
{
// Create a component that is compiled without NNBD.
Map<ExperimentalFlag, bool> prevTesting =
options.defaultExperimentFlagsForTesting;
options.defaultExperimentFlagsForTesting = {
ExperimentalFlag.nonNullable: false
};
NnbdMode prevNnbd = options.nnbdMode;
options.nnbdMode = NnbdMode.Weak;
compiler = new IncrementalCompiler(
new CompilerContext(
new ProcessedOptions(options: options, inputs: [helper2File])),
null);
Component c = await compiler.computeDelta();
c.setMainMethodAndMode(
null, false, NonNullableByDefaultCompiledMode.Weak);
mixedPart1 = serializeComponent(c);
options.defaultExperimentFlagsForTesting = prevTesting;
options.nnbdMode = prevNnbd;
}
List<int> mixedPart2;
{
// Create a component that is compiled with strong NNBD.
Map<ExperimentalFlag, bool> prevTesting =
options.defaultExperimentFlagsForTesting;
options.defaultExperimentFlagsForTesting = {
ExperimentalFlag.nonNullable: true
};
NnbdMode prevNnbd = options.nnbdMode;
options.nnbdMode = NnbdMode.Strong;
compiler = new IncrementalCompiler(
new CompilerContext(
new ProcessedOptions(options: options, inputs: [helperFile])),
null);
Component c = await compiler.computeDelta();
c.setMainMethodAndMode(
null, false, NonNullableByDefaultCompiledMode.Strong);
mixedPart2 = serializeComponent(c);
options.defaultExperimentFlagsForTesting = prevTesting;
options.nnbdMode = prevNnbd;
}
// Now mix the two components together and try to initialize from them.
// We expect the compilation to be OK but that the dill is not actually
// used to initialize from (as it's invalid because of the mixed mode).
List<int> mixed = [];
mixed.addAll(mixedPart1);
mixed.addAll(mixedPart2);
fs.entityForUri(initializeFrom).writeAsBytesSync(mixed);
await compileExpectOk(false, entryPoint);
}
}
class DeleteTempFilesIncrementalCompiler extends IncrementalCompiler {
DeleteTempFilesIncrementalCompiler(CompilerContext context,
[Uri initializeFromDillUri])
: super(context, initializeFromDillUri);
void recordTemporaryFileForTesting(Uri uri) {
File f = new File.fromUri(uri);
if (f.existsSync()) f.deleteSync();
}
}
String joinMessages(List<DiagnosticMessage> messages) {
return messages.map((m) => m.plainTextFormatted.join("\n")).join("\n");
}