| // Copyright (c) 2016, 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'; |
| |
| import 'package:analyzer/dart/ast/ast.dart'; |
| import 'package:analyzer/dart/ast/standard_resolution_map.dart'; |
| import 'package:analyzer/dart/ast/visitor.dart'; |
| import 'package:analyzer/dart/element/element.dart'; |
| import 'package:analyzer/dart/element/type.dart'; |
| import 'package:analyzer/error/error.dart'; |
| import 'package:analyzer/file_system/file_system.dart'; |
| import 'package:analyzer/file_system/memory_file_system.dart'; |
| import 'package:analyzer/src/dart/analysis/driver.dart'; |
| import 'package:analyzer/src/dart/analysis/file_state.dart'; |
| import 'package:analyzer/src/dart/element/element.dart'; |
| import 'package:analyzer/src/dart/element/type.dart'; |
| import 'package:analyzer/src/error/codes.dart'; |
| import 'package:analyzer/src/file_system/file_system.dart'; |
| import 'package:analyzer/src/generated/engine.dart' hide AnalysisResult; |
| import 'package:analyzer/src/generated/java_engine.dart'; |
| import 'package:analyzer/src/generated/resolver.dart'; |
| import 'package:analyzer/src/generated/sdk.dart'; |
| import 'package:analyzer/src/generated/source_io.dart'; |
| import 'package:analyzer/src/generated/testing/ast_test_factory.dart'; |
| import 'package:analyzer/src/generated/testing/element_factory.dart'; |
| import 'package:analyzer/src/source/package_map_resolver.dart'; |
| import 'package:front_end/src/api_prototype/byte_store.dart'; |
| import 'package:front_end/src/base/performance_logger.dart'; |
| import 'package:test/test.dart'; |
| |
| import '../src/context/mock_sdk.dart'; |
| import 'analysis_context_factory.dart'; |
| import 'test_support.dart'; |
| |
| /** |
| * An AST visitor used to verify that all of the nodes in an AST structure that |
| * should have been resolved were resolved. |
| */ |
| class ResolutionVerifier extends RecursiveAstVisitor<Object> { |
| /** |
| * A set containing nodes that are known to not be resolvable and should |
| * therefore not cause the test to fail. |
| */ |
| final Set<AstNode> _knownExceptions; |
| |
| /** |
| * A list containing all of the AST nodes that were not resolved. |
| */ |
| List<AstNode> _unresolvedNodes = new List<AstNode>(); |
| |
| /** |
| * A list containing all of the AST nodes that were resolved to an element of |
| * the wrong type. |
| */ |
| List<AstNode> _wrongTypedNodes = new List<AstNode>(); |
| |
| /** |
| * Initialize a newly created verifier to verify that all of the identifiers |
| * in the visited AST structures that are expected to have been resolved have |
| * an element associated with them. Nodes in the set of [_knownExceptions] are |
| * not expected to have been resolved, even if they normally would have been |
| * expected to have been resolved. |
| */ |
| ResolutionVerifier([this._knownExceptions]); |
| |
| /** |
| * Assert that all of the visited identifiers were resolved. |
| */ |
| void assertResolved() { |
| if (!_unresolvedNodes.isEmpty || !_wrongTypedNodes.isEmpty) { |
| StringBuffer buffer = new StringBuffer(); |
| if (!_unresolvedNodes.isEmpty) { |
| buffer.write("Failed to resolve "); |
| buffer.write(_unresolvedNodes.length); |
| buffer.writeln(" nodes:"); |
| _printNodes(buffer, _unresolvedNodes); |
| } |
| if (!_wrongTypedNodes.isEmpty) { |
| buffer.write("Resolved "); |
| buffer.write(_wrongTypedNodes.length); |
| buffer.writeln(" to the wrong type of element:"); |
| _printNodes(buffer, _wrongTypedNodes); |
| } |
| fail(buffer.toString()); |
| } |
| } |
| |
| @override |
| Object visitAnnotation(Annotation node) { |
| node.visitChildren(this); |
| ElementAnnotation elementAnnotation = node.elementAnnotation; |
| if (elementAnnotation == null) { |
| if (_knownExceptions == null || !_knownExceptions.contains(node)) { |
| _unresolvedNodes.add(node); |
| } |
| } else if (elementAnnotation is! ElementAnnotation) { |
| _wrongTypedNodes.add(node); |
| } |
| return null; |
| } |
| |
| @override |
| Object visitBinaryExpression(BinaryExpression node) { |
| node.visitChildren(this); |
| if (!node.operator.isUserDefinableOperator) { |
| return null; |
| } |
| DartType operandType = node.leftOperand.staticType; |
| if (operandType == null || operandType.isDynamic) { |
| return null; |
| } |
| return _checkResolved( |
| node, node.staticElement, (node) => node is MethodElement); |
| } |
| |
| @override |
| Object visitCommentReference(CommentReference node) => null; |
| |
| @override |
| Object visitCompilationUnit(CompilationUnit node) { |
| node.visitChildren(this); |
| return _checkResolved( |
| node, node.element, (node) => node is CompilationUnitElement); |
| } |
| |
| @override |
| Object visitExportDirective(ExportDirective node) => |
| _checkResolved(node, node.element, (node) => node is ExportElement); |
| |
| @override |
| Object visitFunctionDeclaration(FunctionDeclaration node) { |
| node.visitChildren(this); |
| if (node.element is LibraryElement) { |
| _wrongTypedNodes.add(node); |
| } |
| return null; |
| } |
| |
| @override |
| Object visitFunctionExpressionInvocation(FunctionExpressionInvocation node) { |
| node.visitChildren(this); |
| // TODO(brianwilkerson) If we start resolving function expressions, then |
| // conditionally check to see whether the node was resolved correctly. |
| return null; |
| //checkResolved(node, node.getElement(), FunctionElement.class); |
| } |
| |
| @override |
| Object visitImportDirective(ImportDirective node) { |
| // Not sure how to test the combinators given that it isn't an error if the |
| // names are not defined. |
| _checkResolved(node, node.element, (node) => node is ImportElement); |
| SimpleIdentifier prefix = node.prefix; |
| if (prefix == null) { |
| return null; |
| } |
| return _checkResolved( |
| prefix, prefix.staticElement, (node) => node is PrefixElement); |
| } |
| |
| @override |
| Object visitIndexExpression(IndexExpression node) { |
| node.visitChildren(this); |
| DartType targetType = node.realTarget.staticType; |
| if (targetType == null || targetType.isDynamic) { |
| return null; |
| } |
| return _checkResolved( |
| node, node.staticElement, (node) => node is MethodElement); |
| } |
| |
| @override |
| Object visitLibraryDirective(LibraryDirective node) => |
| _checkResolved(node, node.element, (node) => node is LibraryElement); |
| |
| @override |
| Object visitNamedExpression(NamedExpression node) => |
| node.expression.accept(this); |
| |
| @override |
| Object visitPartDirective(PartDirective node) => _checkResolved( |
| node, node.element, (node) => node is CompilationUnitElement); |
| |
| @override |
| Object visitPartOfDirective(PartOfDirective node) => |
| _checkResolved(node, node.element, (node) => node is LibraryElement); |
| |
| @override |
| Object visitPostfixExpression(PostfixExpression node) { |
| node.visitChildren(this); |
| if (!node.operator.isUserDefinableOperator) { |
| return null; |
| } |
| DartType operandType = node.operand.staticType; |
| if (operandType == null || operandType.isDynamic) { |
| return null; |
| } |
| return _checkResolved( |
| node, node.staticElement, (node) => node is MethodElement); |
| } |
| |
| @override |
| Object visitPrefixedIdentifier(PrefixedIdentifier node) { |
| SimpleIdentifier prefix = node.prefix; |
| prefix.accept(this); |
| DartType prefixType = prefix.staticType; |
| if (prefixType == null || prefixType.isDynamic) { |
| return null; |
| } |
| return _checkResolved(node, node.staticElement, null); |
| } |
| |
| @override |
| Object visitPrefixExpression(PrefixExpression node) { |
| node.visitChildren(this); |
| if (!node.operator.isUserDefinableOperator) { |
| return null; |
| } |
| DartType operandType = node.operand.staticType; |
| if (operandType == null || operandType.isDynamic) { |
| return null; |
| } |
| return _checkResolved( |
| node, node.staticElement, (node) => node is MethodElement); |
| } |
| |
| @override |
| Object visitPropertyAccess(PropertyAccess node) { |
| Expression target = node.realTarget; |
| target.accept(this); |
| DartType targetType = target.staticType; |
| if (targetType == null || targetType.isDynamic) { |
| return null; |
| } |
| return node.propertyName.accept(this); |
| } |
| |
| @override |
| Object visitSimpleIdentifier(SimpleIdentifier node) { |
| if (node.name == "void") { |
| return null; |
| } |
| if (resolutionMap.staticTypeForExpression(node) != null && |
| resolutionMap.staticTypeForExpression(node).isDynamic && |
| node.staticElement == null) { |
| return null; |
| } |
| AstNode parent = node.parent; |
| if (parent is MethodInvocation) { |
| MethodInvocation invocation = parent; |
| if (identical(invocation.methodName, node)) { |
| Expression target = invocation.realTarget; |
| DartType targetType = target == null ? null : target.staticType; |
| if (targetType == null || targetType.isDynamic) { |
| return null; |
| } |
| } |
| } |
| return _checkResolved(node, node.staticElement, null); |
| } |
| |
| Object _checkResolved( |
| AstNode node, Element element, Predicate<Element> predicate) { |
| if (element == null) { |
| if (_knownExceptions == null || !_knownExceptions.contains(node)) { |
| _unresolvedNodes.add(node); |
| } |
| } else if (predicate != null) { |
| if (!predicate(element)) { |
| _wrongTypedNodes.add(node); |
| } |
| } |
| return null; |
| } |
| |
| String _getFileName(AstNode node) { |
| // TODO (jwren) there are two copies of this method, one here and one in |
| // StaticTypeVerifier, they should be resolved into a single method |
| if (node != null) { |
| AstNode root = node.root; |
| if (root is CompilationUnit) { |
| CompilationUnit rootCU = root; |
| if (rootCU.element != null) { |
| return resolutionMap |
| .elementDeclaredByCompilationUnit(rootCU) |
| .source |
| .fullName; |
| } else { |
| return "<unknown file- CompilationUnit.getElement() returned null>"; |
| } |
| } else { |
| return "<unknown file- CompilationUnit.getRoot() is not a CompilationUnit>"; |
| } |
| } |
| return "<unknown file- ASTNode is null>"; |
| } |
| |
| void _printNodes(StringBuffer buffer, List<AstNode> nodes) { |
| for (AstNode identifier in nodes) { |
| buffer.write(" "); |
| buffer.write(identifier.toString()); |
| buffer.write(" ("); |
| buffer.write(_getFileName(identifier)); |
| buffer.write(" : "); |
| buffer.write(identifier.offset); |
| buffer.writeln(")"); |
| } |
| } |
| } |
| |
| class ResolverTestCase extends EngineTestCase { |
| /** |
| * The resource provider used by the test case. |
| */ |
| MemoryResourceProvider resourceProvider = new MemoryResourceProvider(); |
| |
| /** |
| * The analysis context used to parse the compilation units being resolved. |
| */ |
| InternalAnalysisContext analysisContext2; |
| |
| /** |
| * Specifies if [assertErrors] should check for [HintCode.UNUSED_ELEMENT] and |
| * [HintCode.UNUSED_FIELD]. |
| */ |
| bool enableUnusedElement = false; |
| |
| /** |
| * Specifies if [assertErrors] should check for [HintCode.UNUSED_LOCAL_VARIABLE]. |
| */ |
| bool enableUnusedLocalVariable = false; |
| |
| final Map<Source, TestAnalysisResult> analysisResults = {}; |
| |
| StringBuffer _logBuffer = new StringBuffer(); |
| FileContentOverlay fileContentOverlay = new FileContentOverlay(); |
| AnalysisDriver driver; |
| |
| AnalysisContext get analysisContext => analysisContext2; |
| |
| AnalysisOptions get analysisOptions => |
| analysisContext?.analysisOptions ?? driver?.analysisOptions; |
| |
| /** |
| * The default [AnalysisOptions] that should be used by [reset]. |
| */ |
| AnalysisOptions get defaultAnalysisOptions => new AnalysisOptionsImpl(); |
| |
| bool get enableKernelDriver => false; |
| |
| bool get enableNewAnalysisDriver => false; |
| |
| bool get previewDart2 => analysisOptions.previewDart2; |
| |
| /** |
| * Return a type provider that can be used to test the results of resolution. |
| * |
| * @return a type provider |
| * @throws AnalysisException if dart:core cannot be resolved |
| */ |
| TypeProvider get typeProvider { |
| if (enableNewAnalysisDriver) { |
| if (analysisResults.isEmpty) { |
| fail('typeProvider can be called after computing an analysis result.'); |
| } |
| return analysisResults.values.first.unit.element.context.typeProvider; |
| } else { |
| return analysisContext2.typeProvider; |
| } |
| } |
| |
| /** |
| * Return a type system that can be used to test the results of resolution. |
| * |
| * @return a type system |
| */ |
| TypeSystem get typeSystem => analysisContext2.typeSystem; |
| |
| bool get useCFE => false; |
| |
| /** |
| * Add a source file with the given [filePath] in the root of the file system. |
| * The file path should be absolute. The file will have the given [contents] |
| * set in the content provider. Return the source representing the added file. |
| */ |
| Source addNamedSource(String filePath, String contents) { |
| filePath = resourceProvider.convertPath(filePath); |
| File file = resourceProvider.newFile(filePath, contents); |
| Source source = file.createSource(); |
| if (enableNewAnalysisDriver) { |
| driver.addFile(filePath); |
| } else { |
| analysisContext2.setContents(source, contents); |
| ChangeSet changeSet = new ChangeSet(); |
| changeSet.addedSource(source); |
| analysisContext2.applyChanges(changeSet); |
| } |
| return source; |
| } |
| |
| /** |
| * Add a source file named 'test.dart' in the root of the file system. The |
| * file will have the given [contents] set in the content provider. Return the |
| * source representing the added file. |
| */ |
| Source addSource(String contents) => addNamedSource("/test.dart", contents); |
| |
| /** |
| * Assert that the number of errors reported against the given |
| * [source] matches the number of errors that are given and that they have |
| * the expected error codes. The order in which the errors were gathered is |
| * ignored. |
| */ |
| void assertErrors(Source source, |
| [List<ErrorCode> expectedErrorCodes = const <ErrorCode>[]]) { |
| TestAnalysisResult result = analysisResults[source]; |
| expect(result, isNotNull); |
| |
| GatheringErrorListener errorListener = new GatheringErrorListener(); |
| for (AnalysisError error in result.errors) { |
| expect(error.source, source); |
| ErrorCode errorCode = error.errorCode; |
| if (!enableUnusedElement && |
| (errorCode == HintCode.UNUSED_ELEMENT || |
| errorCode == HintCode.UNUSED_FIELD)) { |
| continue; |
| } |
| if (!enableUnusedLocalVariable && |
| (errorCode == HintCode.UNUSED_CATCH_CLAUSE || |
| errorCode == HintCode.UNUSED_CATCH_STACK || |
| errorCode == HintCode.UNUSED_LOCAL_VARIABLE)) { |
| continue; |
| } |
| errorListener.onError(error); |
| } |
| errorListener.assertErrorsWithCodes(expectedErrorCodes); |
| } |
| |
| /** |
| * Asserts that [code] verifies, but has errors with the given error codes. |
| * |
| * Like [assertErrors], but takes a string of source code. |
| */ |
| // TODO(rnystrom): Use this in more tests that have the same structure. |
| Future<Null> assertErrorsInCode(String code, List<ErrorCode> errors, |
| {bool verify: true}) async { |
| Source source = addSource(code); |
| await computeAnalysisResult(source); |
| assertErrors(source, errors); |
| if (verify) { |
| this.verify([source]); |
| } |
| } |
| |
| /** |
| * Asserts that [code] has errors with the given error codes. |
| * |
| * Like [assertErrors], but takes a string of source code. |
| */ |
| Future<Null> assertErrorsInUnverifiedCode( |
| String code, List<ErrorCode> errors) async { |
| Source source = addSource(code); |
| await computeAnalysisResult(source); |
| assertErrors(source, errors); |
| } |
| |
| /** |
| * Assert that no errors have been reported against the given source. |
| * |
| * @param source the source against which no errors should have been reported |
| * @throws AnalysisException if the reported errors could not be computed |
| * @throws AssertionFailedError if any errors have been reported |
| */ |
| void assertNoErrors(Source source) { |
| assertErrors(source); |
| } |
| |
| /** |
| * Asserts that [code] has no errors or warnings. |
| */ |
| // TODO(rnystrom): Use this in more tests that have the same structure. |
| Future<Null> assertNoErrorsInCode(String code) async { |
| Source source = addSource(code); |
| await computeAnalysisResult(source); |
| assertNoErrors(source); |
| verify([source]); |
| } |
| |
| /** |
| * @param code the code that assigns the value to the variable "v", no matter how. We check that |
| * "v" has expected static and propagated type. |
| */ |
| void assertPropagatedAssignedType(String code, CompilationUnit unit, |
| DartType expectedStaticType, DartType expectedPropagatedType) { |
| SimpleIdentifier identifier = findMarkedIdentifier(code, unit, "v = "); |
| expect(identifier.staticType, expectedStaticType); |
| expect(identifier.propagatedType, expectedPropagatedType); |
| } |
| |
| /** |
| * @param code the code that iterates using variable "v". We check that |
| * "v" has expected static and propagated type. |
| */ |
| void assertPropagatedIterationType(String code, CompilationUnit unit, |
| DartType expectedStaticType, DartType expectedPropagatedType) { |
| SimpleIdentifier identifier = findMarkedIdentifier(code, unit, "v in "); |
| expect(identifier.staticType, expectedStaticType); |
| expect(identifier.propagatedType, expectedPropagatedType); |
| } |
| |
| /** |
| * Check the static and propagated types of the expression marked with "; // marker" comment. |
| * |
| * @param code source code to analyze, with the expression to check marked with "// marker". |
| * @param expectedStaticType if non-null, check actual static type is equal to this. |
| * @param expectedPropagatedType if non-null, check actual static type is equal to this. |
| * @throws Exception |
| */ |
| void assertTypeOfMarkedExpression(String code, CompilationUnit unit, |
| DartType expectedStaticType, DartType expectedPropagatedType) { |
| SimpleIdentifier identifier = |
| findMarkedIdentifier(code, unit, "; // marker"); |
| if (expectedStaticType != null) { |
| expect(identifier.staticType, expectedStaticType); |
| } |
| expect(identifier.propagatedType, expectedPropagatedType); |
| } |
| |
| /** |
| * Change the contents of the given [source] to the given [contents]. |
| */ |
| void changeSource(Source source, String contents) { |
| analysisContext2.setContents(source, contents); |
| ChangeSet changeSet = new ChangeSet(); |
| changeSet.changedSource(source); |
| analysisContext2.applyChanges(changeSet); |
| } |
| |
| Future<TestAnalysisResult> computeAnalysisResult(Source source) async { |
| TestAnalysisResult analysisResult; |
| if (enableNewAnalysisDriver) { |
| AnalysisResult result = await driver.getResult(source.fullName); |
| analysisResult = |
| new TestAnalysisResult(source, result.unit, result.errors); |
| } else { |
| analysisContext2.computeKindOf(source); |
| List<Source> libraries = analysisContext2.getLibrariesContaining(source); |
| if (libraries.length > 0) { |
| CompilationUnit unit = |
| analysisContext.resolveCompilationUnit2(source, libraries.first); |
| List<AnalysisError> errors = analysisContext.computeErrors(source); |
| analysisResult = new TestAnalysisResult(source, unit, errors); |
| } |
| } |
| analysisResults[source] = analysisResult; |
| return analysisResult; |
| } |
| |
| /** |
| * Compute the analysis result to the given [code] in '/test.dart'. |
| */ |
| Future<TestAnalysisResult> computeTestAnalysisResult(String code) async { |
| Source source = addSource(code); |
| return await computeAnalysisResult(source); |
| } |
| |
| /** |
| * Create a library element that represents a library named `"test"` containing a single |
| * empty compilation unit. |
| * |
| * @return the library element that was created |
| */ |
| LibraryElementImpl createDefaultTestLibrary() => |
| createTestLibrary(AnalysisContextFactory.contextWithCore(), "test"); |
| |
| /** |
| * Create a source object representing a file with the given [fileName] and |
| * give it an empty content. Return the source that was created. |
| */ |
| Source createNamedSource(String fileName) { |
| Source source = resourceProvider.getFile(fileName).createSource(); |
| analysisContext2.setContents(source, ''); |
| return source; |
| } |
| |
| /** |
| * Create a library element that represents a library with the given name containing a single |
| * empty compilation unit. |
| * |
| * @param libraryName the name of the library to be created |
| * @return the library element that was created |
| */ |
| LibraryElementImpl createTestLibrary( |
| AnalysisContext context, String libraryName, |
| [List<String> typeNames]) { |
| String fileName = "/test/$libraryName.dart"; |
| Source definingCompilationUnitSource = createNamedSource(fileName); |
| List<CompilationUnitElement> sourcedCompilationUnits; |
| if (typeNames == null) { |
| sourcedCompilationUnits = CompilationUnitElement.EMPTY_LIST; |
| } else { |
| int count = typeNames.length; |
| sourcedCompilationUnits = new List<CompilationUnitElement>(count); |
| for (int i = 0; i < count; i++) { |
| String typeName = typeNames[i]; |
| ClassElementImpl type = |
| new ClassElementImpl.forNode(AstTestFactory.identifier3(typeName)); |
| String fileName = "$typeName.dart"; |
| CompilationUnitElementImpl compilationUnit = |
| new CompilationUnitElementImpl(fileName); |
| compilationUnit.source = createNamedSource(fileName); |
| compilationUnit.librarySource = definingCompilationUnitSource; |
| compilationUnit.types = <ClassElement>[type]; |
| sourcedCompilationUnits[i] = compilationUnit; |
| } |
| } |
| CompilationUnitElementImpl compilationUnit = |
| new CompilationUnitElementImpl(fileName); |
| compilationUnit.librarySource = |
| compilationUnit.source = definingCompilationUnitSource; |
| LibraryElementImpl library = new LibraryElementImpl.forNode( |
| context, AstTestFactory.libraryIdentifier2([libraryName])); |
| library.definingCompilationUnit = compilationUnit; |
| library.parts = sourcedCompilationUnits; |
| return library; |
| } |
| |
| /** |
| * Return the [SimpleIdentifier] from [unit] marked by [marker] in [code]. |
| * The source code must have no errors and be verifiable. |
| */ |
| SimpleIdentifier findMarkedIdentifier( |
| String code, CompilationUnit unit, String marker) { |
| return EngineTestCase.findNode( |
| unit, code, marker, (node) => node is SimpleIdentifier); |
| } |
| |
| Expression findTopLevelConstantExpression( |
| CompilationUnit compilationUnit, String name) => |
| findTopLevelDeclaration(compilationUnit, name).initializer; |
| |
| VariableDeclaration findTopLevelDeclaration( |
| CompilationUnit compilationUnit, String name) { |
| for (CompilationUnitMember member in compilationUnit.declarations) { |
| if (member is TopLevelVariableDeclaration) { |
| for (VariableDeclaration variable in member.variables.variables) { |
| if (variable.name.name == name) { |
| return variable; |
| } |
| } |
| } |
| } |
| return null; |
| // Not found |
| } |
| |
| /** |
| * Re-create the analysis context being used by the test case. |
| */ |
| void reset() { |
| resetWith(); |
| } |
| |
| /** |
| * Re-create the analysis context being used by the test with the either given |
| * [options] or [packages]. |
| */ |
| void resetWith({AnalysisOptions options, List<List<String>> packages}) { |
| if (options != null && packages != null) { |
| fail('Only packages or options can be specified.'); |
| } |
| options ??= defaultAnalysisOptions; |
| if (enableNewAnalysisDriver) { |
| if (useCFE) { |
| (options as AnalysisOptionsImpl) |
| ..strongMode = true |
| ..useFastaParser = true; |
| } |
| DartSdk sdk = new MockSdk(resourceProvider: resourceProvider) |
| ..context.analysisOptions = options; |
| |
| List<UriResolver> resolvers = <UriResolver>[ |
| new DartUriResolver(sdk), |
| new ResourceUriResolver(resourceProvider) |
| ]; |
| if (packages != null) { |
| var packageMap = <String, List<Folder>>{}; |
| packages.forEach((args) { |
| String name = args[0]; |
| String path = |
| resourceProvider.convertPath('/packages/$name/$name.dart'); |
| String content = args[1]; |
| File file = resourceProvider.newFile(path, content); |
| packageMap[name] = <Folder>[file.parent]; |
| }); |
| resolvers.add(new PackageMapUriResolver(resourceProvider, packageMap)); |
| } |
| SourceFactory sourceFactory = new SourceFactory(resolvers); |
| |
| PerformanceLog log = new PerformanceLog(_logBuffer); |
| AnalysisDriverScheduler scheduler = new AnalysisDriverScheduler(log); |
| driver = new AnalysisDriver( |
| scheduler, |
| log, |
| resourceProvider, |
| new MemoryByteStore(), |
| fileContentOverlay, |
| null, |
| sourceFactory, |
| options, |
| enableKernelDriver: enableKernelDriver); |
| scheduler.start(); |
| } else { |
| if (packages != null) { |
| var packageMap = <String, String>{}; |
| packages.forEach((args) { |
| String name = args[0]; |
| String content = args[1]; |
| packageMap['package:$name/$name.dart'] = content; |
| }); |
| analysisContext2 = AnalysisContextFactory.contextWithCoreAndPackages( |
| packageMap, |
| resourceProvider: resourceProvider); |
| } else if (options != null) { |
| analysisContext2 = AnalysisContextFactory.contextWithCoreAndOptions( |
| options, |
| resourceProvider: resourceProvider); |
| } else { |
| analysisContext2 = AnalysisContextFactory.contextWithCore( |
| resourceProvider: resourceProvider); |
| } |
| } |
| } |
| |
| /** |
| * Given a library and all of its parts, resolve the contents of the library and the contents of |
| * the parts. This assumes that the sources for the library and its parts have already been added |
| * to the content provider using the method [addNamedSource]. |
| * |
| * @param librarySource the source for the compilation unit that defines the library |
| * @return the element representing the resolved library |
| * @throws AnalysisException if the analysis could not be performed |
| */ |
| LibraryElement resolve2(Source librarySource) => |
| analysisContext2.computeLibraryElement(librarySource); |
| |
| /** |
| * Return the resolved compilation unit corresponding to the given source in the given library. |
| * |
| * @param source the source of the compilation unit to be returned |
| * @param library the library in which the compilation unit is to be resolved |
| * @return the resolved compilation unit |
| * @throws Exception if the compilation unit could not be resolved |
| */ |
| CompilationUnit resolveCompilationUnit( |
| Source source, LibraryElement library) => |
| analysisContext2.resolveCompilationUnit(source, library); |
| |
| Future<CompilationUnit> resolveSource(String sourceText) => |
| resolveSource2('/test.dart', sourceText); |
| |
| Future<CompilationUnit> resolveSource2( |
| String fileName, String sourceText) async { |
| Source source = addNamedSource(fileName, sourceText); |
| TestAnalysisResult analysisResult = await computeAnalysisResult(source); |
| return analysisResult.unit; |
| } |
| |
| Future<Source> resolveSources(List<String> sourceTexts) async { |
| for (int i = 0; i < sourceTexts.length; i++) { |
| Source source = addNamedSource('/lib${i + 1}.dart', sourceTexts[i]); |
| await computeAnalysisResult(source); |
| // reference the source if this is the last source |
| if (i + 1 == sourceTexts.length) { |
| return source; |
| } |
| } |
| return null; |
| } |
| |
| Future<Null> resolveWithAndWithoutExperimental( |
| List<String> strSources, |
| List<ErrorCode> codesWithoutExperimental, |
| List<ErrorCode> codesWithExperimental) async { |
| // Setup analysis context as non-experimental |
| AnalysisOptionsImpl options = new AnalysisOptionsImpl(); |
| // options.enableDeferredLoading = false; |
| resetWith(options: options); |
| // Analysis and assertions |
| Source source = await resolveSources(strSources); |
| await computeAnalysisResult(source); |
| assertErrors(source, codesWithoutExperimental); |
| verify([source]); |
| // Setup analysis context as experimental |
| reset(); |
| // Analysis and assertions |
| source = await resolveSources(strSources); |
| await computeAnalysisResult(source); |
| assertErrors(source, codesWithExperimental); |
| verify([source]); |
| } |
| |
| Future<Null> resolveWithErrors( |
| List<String> strSources, List<ErrorCode> codes) async { |
| Source source = await resolveSources(strSources); |
| assertErrors(source, codes); |
| verify([source]); |
| } |
| |
| @override |
| void setUp() { |
| ElementFactory.flushStaticState(); |
| super.setUp(); |
| reset(); |
| } |
| |
| @override |
| void tearDown() { |
| analysisContext2 = null; |
| AnalysisEngine.instance.clearCaches(); |
| super.tearDown(); |
| } |
| |
| /** |
| * Verify that all of the identifiers in the compilation units associated with |
| * the given [sources] have been resolved. |
| */ |
| void verify(List<Source> sources) { |
| ResolutionVerifier verifier = new ResolutionVerifier(); |
| for (Source source in sources) { |
| TestAnalysisResult result = analysisResults[source]; |
| expect(result, isNotNull); |
| result.unit.accept(verifier); |
| } |
| verifier.assertResolved(); |
| } |
| } |
| |
| /** |
| * Shared infrastructure for [StaticTypeAnalyzer2Test] and |
| * [StrongModeStaticTypeAnalyzer2Test]. |
| */ |
| class StaticTypeAnalyzer2TestShared extends ResolverTestCase { |
| String testCode; |
| Source testSource; |
| CompilationUnit testUnit; |
| |
| /** |
| * Looks up the identifier with [name] and validates that its type type |
| * stringifies to [type] and that its generics match the given stringified |
| * output. |
| */ |
| FunctionTypeImpl expectFunctionType(String name, String type, |
| {String elementTypeParams: '[]', |
| String typeParams: '[]', |
| String typeArgs: '[]', |
| String typeFormals: '[]', |
| String identifierType}) { |
| identifierType ??= type; |
| |
| typeParameters(Element element) { |
| if (element is ExecutableElement) { |
| return element.typeParameters; |
| } else if (element is ParameterElement) { |
| return element.typeParameters; |
| } |
| fail('Wrong element type: ${element.runtimeType}'); |
| } |
| |
| SimpleIdentifier identifier = findIdentifier(name); |
| // Element is either ExecutableElement or ParameterElement. |
| var element = identifier.staticElement; |
| FunctionTypeImpl functionType = (element as dynamic).type; |
| expect(functionType.toString(), type); |
| expect(identifier.staticType.toString(), identifierType); |
| expect(typeParameters(element).toString(), elementTypeParams); |
| expect(functionType.typeParameters.toString(), typeParams); |
| expect(functionType.typeArguments.toString(), typeArgs); |
| expect(functionType.typeFormals.toString(), typeFormals); |
| return functionType; |
| } |
| |
| /** |
| * Looks up the identifier with [name] and validates its static [type]. |
| * |
| * If [type] is a string, validates that the identifier's static type |
| * stringifies to that text. Otherwise, [type] is used directly a [Matcher] |
| * to match the type. |
| * |
| * If [propagatedType] is given, also validate's the identifier's propagated |
| * type. |
| */ |
| void expectIdentifierType(String name, type, [propagatedType]) { |
| SimpleIdentifier identifier = findIdentifier(name); |
| _expectType(identifier.staticType, type); |
| if (propagatedType != null) { |
| _expectType(identifier.propagatedType, propagatedType); |
| } |
| } |
| |
| /** |
| * Looks up the initializer for the declaration containing [identifier] and |
| * validates its static [type]. |
| * |
| * If [type] is a string, validates that the identifier's static type |
| * stringifies to that text. Otherwise, [type] is used directly a [Matcher] |
| * to match the type. |
| * |
| * If [propagatedType] is given, also validate's the identifier's propagated |
| * type. |
| */ |
| void expectInitializerType(String name, type, [propagatedType]) { |
| SimpleIdentifier identifier = findIdentifier(name); |
| VariableDeclaration declaration = |
| identifier.getAncestor((node) => node is VariableDeclaration); |
| Expression initializer = declaration.initializer; |
| _expectType(initializer.staticType, type); |
| if (propagatedType != null) { |
| _expectType(initializer.propagatedType, propagatedType); |
| } |
| } |
| |
| SimpleIdentifier findIdentifier(String search) { |
| SimpleIdentifier identifier = EngineTestCase.findNode( |
| testUnit, testCode, search, (node) => node is SimpleIdentifier); |
| return identifier; |
| } |
| |
| Future<Null> resolveTestUnit(String code, {bool noErrors: true}) async { |
| testCode = code; |
| testSource = addSource(testCode); |
| TestAnalysisResult analysisResult = await computeAnalysisResult(testSource); |
| if (noErrors) { |
| assertNoErrors(testSource); |
| } |
| verify([testSource]); |
| testUnit = analysisResult.unit; |
| } |
| |
| /** |
| * Validates that [type] matches [expected]. |
| * |
| * If [expected] is a string, validates that the type stringifies to that |
| * text. Otherwise, [expected] is used directly a [Matcher] to match the type. |
| */ |
| _expectType(DartType type, expected) { |
| if (expected is String) { |
| expect(type.toString(), expected); |
| } else { |
| expect(type, expected); |
| } |
| } |
| } |
| |
| class TestAnalysisResult { |
| final Source source; |
| final CompilationUnit unit; |
| final List<AnalysisError> errors; |
| TestAnalysisResult(this.source, this.unit, this.errors); |
| } |
