Dan Rubel
4181185070
Change-Id: I502d4c6649a8974883b9ded038ce8927d34eea10 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/104940 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Dan Rubel <danrubel@google.com>
3726 lines
131 KiB
Dart
3726 lines
131 KiB
Dart
// Copyright (c) 2017, 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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import 'package:analyzer/dart/analysis/features.dart';
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import 'package:analyzer/dart/ast/ast.dart';
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import 'package:analyzer/dart/ast/token.dart' as analyzer;
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import 'package:analyzer/dart/ast/token.dart' show Token, TokenType;
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import 'package:analyzer/error/error.dart';
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import 'package:analyzer/error/listener.dart' show ErrorReporter;
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import 'package:analyzer/src/dart/ast/ast.dart';
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import 'package:analyzer/src/dart/ast/token.dart';
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import 'package:analyzer/src/dart/scanner/scanner.dart';
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import 'package:analyzer/src/error/codes.dart';
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import 'package:analyzer/src/fasta/ast_builder.dart';
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import 'package:analyzer/src/generated/parser.dart' as analyzer;
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import 'package:analyzer/src/generated/utilities_dart.dart';
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import 'package:analyzer/src/string_source.dart';
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import 'package:front_end/src/fasta/parser/async_modifier.dart';
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import 'package:front_end/src/fasta/parser/forwarding_listener.dart' as fasta;
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import 'package:front_end/src/fasta/parser/parser.dart' as fasta;
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import 'package:front_end/src/fasta/scanner.dart' as fasta;
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import 'package:front_end/src/fasta/scanner.dart'
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show LanguageVersionToken, ScannerConfiguration, ScannerResult, scanString;
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import 'package:front_end/src/fasta/scanner/error_token.dart' show ErrorToken;
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import 'package:front_end/src/fasta/scanner/string_scanner.dart';
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import 'package:pub_semver/src/version.dart';
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import 'package:test/test.dart';
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import 'package:test_reflective_loader/test_reflective_loader.dart';
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import '../util/ast_type_matchers.dart';
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import 'parser_fasta_listener.dart';
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import 'parser_test.dart';
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import 'test_support.dart';
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main() {
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defineReflectiveSuite(() {
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defineReflectiveTests(ClassMemberParserTest_Fasta);
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defineReflectiveTests(ExtensionMethodsParserTest_Fasta);
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defineReflectiveTests(CollectionLiteralParserTest);
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defineReflectiveTests(ComplexParserTest_Fasta);
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defineReflectiveTests(ErrorParserTest_Fasta);
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defineReflectiveTests(ExpressionParserTest_Fasta);
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defineReflectiveTests(FormalParameterParserTest_Fasta);
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defineReflectiveTests(NNBDParserTest_Fasta);
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defineReflectiveTests(RecoveryParserTest_Fasta);
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defineReflectiveTests(SimpleParserTest_Fasta);
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defineReflectiveTests(StatementParserTest_Fasta);
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defineReflectiveTests(TopLevelParserTest_Fasta);
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});
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}
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/**
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* Type of the "parse..." methods defined in the Fasta parser.
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*/
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typedef analyzer.Token ParseFunction(analyzer.Token token);
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@reflectiveTest
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class ClassMemberParserTest_Fasta extends FastaParserTestCase
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with ClassMemberParserTestMixin {
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final tripleShift = FeatureSet.forTesting(
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sdkVersion: '2.0.0', additionalFeatures: [Feature.triple_shift]);
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void test_parseClassMember_operator_gtgtgt() {
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CompilationUnitImpl unit = parseCompilationUnit(
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'class C { bool operator >>>(other) => false; }',
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featureSet: tripleShift);
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ClassDeclaration declaration = unit.declarations[0];
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MethodDeclaration method = declaration.members[0];
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expect(method.documentationComment, isNull);
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expect(method.externalKeyword, isNull);
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expect(method.modifierKeyword, isNull);
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expect(method.propertyKeyword, isNull);
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expect(method.returnType, isNotNull);
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expect(method.name.name, '>>>');
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expect(method.operatorKeyword, isNotNull);
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expect(method.typeParameters, isNull);
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expect(method.parameters, isNotNull);
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expect(method.body, isNotNull);
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}
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void test_parseClassMember_operator_gtgtgteq() {
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CompilationUnitImpl unit = parseCompilationUnit(
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'class C { foo(int value) { x >>>= value; } }',
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featureSet: tripleShift);
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ClassDeclaration declaration = unit.declarations[0];
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MethodDeclaration method = declaration.members[0];
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BlockFunctionBody blockFunctionBody = method.body;
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NodeList<Statement> statements = blockFunctionBody.block.statements;
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expect(statements, hasLength(1));
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ExpressionStatement statement = statements[0];
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AssignmentExpression assignment = statement.expression;
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SimpleIdentifier leftHandSide = assignment.leftHandSide;
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expect(leftHandSide.name, 'x');
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expect(assignment.operator.lexeme, '>>>=');
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SimpleIdentifier rightHandSide = assignment.rightHandSide;
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expect(rightHandSide.name, 'value');
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}
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void test_parseField_const_late() {
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createParser('const late T f = 0;', featureSet: nonNullable);
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ClassMember member = parser.parseClassMember('C');
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expect(member, isNotNull);
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assertErrors(errors: [
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expectedError(ParserErrorCode.CONFLICTING_MODIFIERS, 6, 4),
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]);
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expect(member, isFieldDeclaration);
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FieldDeclaration field = member;
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expect(field.covariantKeyword, isNull);
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expect(field.documentationComment, isNull);
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expect(field.metadata, hasLength(0));
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expect(field.staticKeyword, isNull);
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VariableDeclarationList list = field.fields;
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expect(list, isNotNull);
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expect(list.keyword, isNotNull);
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expect(list.isConst, isTrue);
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expect(list.isFinal, isFalse);
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expect(list.isLate, isTrue);
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expect(list.lateKeyword, isNotNull);
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NodeList<VariableDeclaration> variables = list.variables;
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expect(variables, hasLength(1));
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VariableDeclaration variable = variables[0];
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expect(variable.name, isNotNull);
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}
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void test_parseField_final_late() {
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createParser('final late T f;', featureSet: nonNullable);
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ClassMember member = parser.parseClassMember('C');
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assertErrors(errors: [
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expectedError(ParserErrorCode.MODIFIER_OUT_OF_ORDER, 6, 4),
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]);
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expect(member, isNotNull);
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expect(member, isFieldDeclaration);
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FieldDeclaration field = member;
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expect(field.covariantKeyword, isNull);
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expect(field.documentationComment, isNull);
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expect(field.metadata, hasLength(0));
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expect(field.staticKeyword, isNull);
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VariableDeclarationList list = field.fields;
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expect(list, isNotNull);
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expect(list.keyword, isNotNull);
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expect(list.isConst, isFalse);
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expect(list.isFinal, isTrue);
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expect(list.isLate, isTrue);
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expect(list.lateKeyword, isNotNull);
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NodeList<VariableDeclaration> variables = list.variables;
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expect(variables, hasLength(1));
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VariableDeclaration variable = variables[0];
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expect(variable.name, isNotNull);
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}
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void test_parseField_late() {
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createParser('late T f;', featureSet: nonNullable);
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ClassMember member = parser.parseClassMember('C');
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expect(member, isNotNull);
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assertNoErrors();
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expect(member, isFieldDeclaration);
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FieldDeclaration field = member;
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expect(field.covariantKeyword, isNull);
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expect(field.documentationComment, isNull);
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expect(field.metadata, hasLength(0));
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expect(field.staticKeyword, isNull);
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VariableDeclarationList list = field.fields;
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expect(list, isNotNull);
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expect(list.keyword, isNull);
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expect(list.isConst, isFalse);
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expect(list.isFinal, isFalse);
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expect(list.isLate, isTrue);
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expect(list.lateKeyword, isNotNull);
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NodeList<VariableDeclaration> variables = list.variables;
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expect(variables, hasLength(1));
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VariableDeclaration variable = variables[0];
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expect(variable.name, isNotNull);
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}
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void test_parseField_late_const() {
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createParser('late const T f = 0;', featureSet: nonNullable);
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ClassMember member = parser.parseClassMember('C');
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expect(member, isNotNull);
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assertErrors(errors: [
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expectedError(ParserErrorCode.CONFLICTING_MODIFIERS, 5, 5),
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]);
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expect(member, isFieldDeclaration);
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FieldDeclaration field = member;
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expect(field.covariantKeyword, isNull);
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expect(field.documentationComment, isNull);
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expect(field.metadata, hasLength(0));
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expect(field.staticKeyword, isNull);
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VariableDeclarationList list = field.fields;
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expect(list, isNotNull);
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expect(list.keyword, isNotNull);
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expect(list.isConst, isTrue);
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expect(list.isFinal, isFalse);
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expect(list.isLate, isTrue);
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expect(list.lateKeyword, isNotNull);
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NodeList<VariableDeclaration> variables = list.variables;
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expect(variables, hasLength(1));
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VariableDeclaration variable = variables[0];
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expect(variable.name, isNotNull);
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}
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void test_parseField_late_final() {
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createParser('late final T f;', featureSet: nonNullable);
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ClassMember member = parser.parseClassMember('C');
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expect(member, isNotNull);
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assertNoErrors();
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expect(member, isFieldDeclaration);
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FieldDeclaration field = member;
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expect(field.covariantKeyword, isNull);
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expect(field.documentationComment, isNull);
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expect(field.metadata, hasLength(0));
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expect(field.staticKeyword, isNull);
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VariableDeclarationList list = field.fields;
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expect(list, isNotNull);
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expect(list.keyword, isNotNull);
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expect(list.isConst, isFalse);
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expect(list.isFinal, isTrue);
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expect(list.isLate, isTrue);
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expect(list.lateKeyword, isNotNull);
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NodeList<VariableDeclaration> variables = list.variables;
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expect(variables, hasLength(1));
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VariableDeclaration variable = variables[0];
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expect(variable.name, isNotNull);
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}
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void test_parseField_late_var() {
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createParser('late var f;', featureSet: nonNullable);
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ClassMember member = parser.parseClassMember('C');
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expect(member, isNotNull);
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assertErrors(errors: [
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expectedError(ParserErrorCode.CONFLICTING_MODIFIERS, 5, 3),
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]);
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expect(member, isFieldDeclaration);
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FieldDeclaration field = member;
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expect(field.covariantKeyword, isNull);
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expect(field.documentationComment, isNull);
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expect(field.metadata, hasLength(0));
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expect(field.staticKeyword, isNull);
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VariableDeclarationList list = field.fields;
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expect(list, isNotNull);
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expect(list.keyword, isNotNull);
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expect(list.isConst, isFalse);
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expect(list.isFinal, isFalse);
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expect(list.isLate, isTrue);
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expect(list.lateKeyword, isNotNull);
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NodeList<VariableDeclaration> variables = list.variables;
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expect(variables, hasLength(1));
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VariableDeclaration variable = variables[0];
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expect(variable.name, isNotNull);
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}
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void test_parseField_var_late() {
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createParser('var late f;', featureSet: nonNullable);
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ClassMember member = parser.parseClassMember('C');
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expect(member, isNotNull);
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assertErrors(errors: [
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expectedError(ParserErrorCode.CONFLICTING_MODIFIERS, 4, 4),
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]);
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expect(member, isFieldDeclaration);
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FieldDeclaration field = member;
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expect(field.covariantKeyword, isNull);
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expect(field.documentationComment, isNull);
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expect(field.metadata, hasLength(0));
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expect(field.staticKeyword, isNull);
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VariableDeclarationList list = field.fields;
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expect(list, isNotNull);
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expect(list.keyword, isNotNull);
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expect(list.isConst, isFalse);
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expect(list.isFinal, isFalse);
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expect(list.isLate, isTrue);
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expect(list.lateKeyword, isNotNull);
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NodeList<VariableDeclaration> variables = list.variables;
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expect(variables, hasLength(1));
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VariableDeclaration variable = variables[0];
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expect(variable.name, isNotNull);
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}
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}
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/**
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* Tests of the fasta parser based on [ExpressionParserTestMixin].
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*/
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@reflectiveTest
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class CollectionLiteralParserTest extends FastaParserTestCase {
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Expression parseCollectionLiteral(String source,
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{List<ErrorCode> codes,
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List<ExpectedError> errors,
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int expectedEndOffset,
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bool inAsync = false}) {
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return parseExpression(source,
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codes: codes,
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errors: errors,
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expectedEndOffset: expectedEndOffset,
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inAsync: inAsync,
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featureSet: FeatureSet.forTesting(
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sdkVersion: '2.0.0',
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additionalFeatures: [
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Feature.spread_collections,
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Feature.control_flow_collections
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]));
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}
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void test_listLiteral_for() {
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ListLiteral list = parseCollectionLiteral(
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'[1, await for (var x in list) 2]',
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inAsync: true,
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);
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expect(list.elements, hasLength(2));
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IntegerLiteral first = list.elements[0];
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expect(first.value, 1);
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ForElement second = list.elements[1];
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expect(second.awaitKeyword, isNotNull);
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expect(second.forKeyword.isKeyword, isTrue);
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expect(second.leftParenthesis.lexeme, '(');
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expect(second.rightParenthesis.lexeme, ')');
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ForEachPartsWithDeclaration forLoopParts = second.forLoopParts;
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DeclaredIdentifier forLoopVar = forLoopParts.loopVariable;
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expect(forLoopVar.identifier.name, 'x');
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expect(forLoopParts.inKeyword, isNotNull);
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SimpleIdentifier iterable = forLoopParts.iterable;
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expect(iterable.name, 'list');
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}
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void test_listLiteral_forIf() {
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ListLiteral list = parseCollectionLiteral(
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'[1, await for (var x in list) if (c) 2]',
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inAsync: true,
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);
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expect(list.elements, hasLength(2));
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IntegerLiteral first = list.elements[0];
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expect(first.value, 1);
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ForElement second = list.elements[1];
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expect(second.awaitKeyword, isNotNull);
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expect(second.forKeyword.isKeyword, isTrue);
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expect(second.leftParenthesis.lexeme, '(');
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expect(second.rightParenthesis.lexeme, ')');
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ForEachPartsWithDeclaration forLoopParts = second.forLoopParts;
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DeclaredIdentifier forLoopVar = forLoopParts.loopVariable;
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expect(forLoopVar.identifier.name, 'x');
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expect(forLoopParts.inKeyword, isNotNull);
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SimpleIdentifier iterable = forLoopParts.iterable;
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expect(iterable.name, 'list');
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IfElement body = second.body;
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SimpleIdentifier condition = body.condition;
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expect(condition.name, 'c');
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IntegerLiteral thenElement = body.thenElement;
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expect(thenElement.value, 2);
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}
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void test_listLiteral_forSpread() {
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ListLiteral list =
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parseCollectionLiteral('[1, for (int x = 0; x < 10; ++x) ...[2]]');
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expect(list.elements, hasLength(2));
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IntegerLiteral first = list.elements[0];
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expect(first.value, 1);
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ForElement second = list.elements[1];
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expect(second.awaitKeyword, isNull);
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expect(second.forKeyword.isKeyword, isTrue);
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expect(second.leftParenthesis.lexeme, '(');
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expect(second.rightParenthesis.lexeme, ')');
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ForPartsWithDeclarations forLoopParts = second.forLoopParts;
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VariableDeclaration forLoopVar = forLoopParts.variables.variables[0];
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expect(forLoopVar.name.name, 'x');
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BinaryExpression condition = forLoopParts.condition;
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IntegerLiteral rightOperand = condition.rightOperand;
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expect(rightOperand.value, 10);
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PrefixExpression updater = forLoopParts.updaters[0];
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SimpleIdentifier updaterOperand = updater.operand;
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expect(updaterOperand.name, 'x');
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}
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void test_listLiteral_if() {
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ListLiteral list = parseCollectionLiteral('[1, if (true) 2]');
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expect(list.elements, hasLength(2));
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IntegerLiteral first = list.elements[0];
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expect(first.value, 1);
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IfElement second = list.elements[1];
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BooleanLiteral condition = second.condition;
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expect(condition.value, isTrue);
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IntegerLiteral thenElement = second.thenElement;
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expect(thenElement.value, 2);
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expect(second.elseElement, isNull);
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}
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void test_listLiteral_ifElse() {
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ListLiteral list = parseCollectionLiteral('[1, if (true) 2 else 5]');
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expect(list.elements, hasLength(2));
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IntegerLiteral first = list.elements[0];
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expect(first.value, 1);
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IfElement second = list.elements[1];
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BooleanLiteral condition = second.condition;
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expect(condition.value, isTrue);
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IntegerLiteral thenElement = second.thenElement;
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expect(thenElement.value, 2);
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IntegerLiteral elseElement = second.elseElement;
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expect(elseElement.value, 5);
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}
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void test_listLiteral_ifElseFor() {
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ListLiteral list =
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parseCollectionLiteral('[1, if (true) 2 else for (a in b) 5]');
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expect(list.elements, hasLength(2));
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IntegerLiteral first = list.elements[0];
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expect(first.value, 1);
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IfElement second = list.elements[1];
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BooleanLiteral condition = second.condition;
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expect(condition.value, isTrue);
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IntegerLiteral thenElement = second.thenElement;
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expect(thenElement.value, 2);
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ForElement elseElement = second.elseElement;
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ForEachPartsWithIdentifier forLoopParts = elseElement.forLoopParts;
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expect(forLoopParts.identifier.name, 'a');
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IntegerLiteral forValue = elseElement.body;
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expect(forValue.value, 5);
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}
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void test_listLiteral_ifElseSpread() {
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ListLiteral list =
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parseCollectionLiteral('[1, if (true) ...[2] else ...?[5]]');
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expect(list.elements, hasLength(2));
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IntegerLiteral first = list.elements[0];
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expect(first.value, 1);
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IfElement second = list.elements[1];
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BooleanLiteral condition = second.condition;
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expect(condition.value, isTrue);
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SpreadElement thenElement = second.thenElement;
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expect(thenElement.spreadOperator.lexeme, '...');
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SpreadElement elseElement = second.elseElement;
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expect(elseElement.spreadOperator.lexeme, '...?');
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}
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void test_listLiteral_ifFor() {
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ListLiteral list = parseCollectionLiteral('[1, if (true) for (a in b) 2]');
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expect(list.elements, hasLength(2));
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IntegerLiteral first = list.elements[0];
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expect(first.value, 1);
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IfElement second = list.elements[1];
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BooleanLiteral condition = second.condition;
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expect(condition.value, isTrue);
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ForElement thenElement = second.thenElement;
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ForEachPartsWithIdentifier forLoopParts = thenElement.forLoopParts;
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expect(forLoopParts.identifier.name, 'a');
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IntegerLiteral forValue = thenElement.body;
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expect(forValue.value, 2);
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expect(second.elseElement, isNull);
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}
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void test_listLiteral_ifSpread() {
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ListLiteral list = parseCollectionLiteral('[1, if (true) ...[2]]');
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expect(list.elements, hasLength(2));
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IntegerLiteral first = list.elements[0];
|
|
expect(first.value, 1);
|
|
|
|
IfElement second = list.elements[1];
|
|
BooleanLiteral condition = second.condition;
|
|
expect(condition.value, isTrue);
|
|
SpreadElement thenElement = second.thenElement;
|
|
expect(thenElement.spreadOperator.lexeme, '...');
|
|
expect(second.elseElement, isNull);
|
|
}
|
|
|
|
void test_listLiteral_spread() {
|
|
ListLiteral list = parseCollectionLiteral('[1, ...[2]]');
|
|
expect(list.elements, hasLength(2));
|
|
IntegerLiteral first = list.elements[0];
|
|
expect(first.value, 1);
|
|
|
|
SpreadElement element = list.elements[1];
|
|
expect(element.spreadOperator.lexeme, '...');
|
|
ListLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_listLiteral_spreadQ() {
|
|
ListLiteral list = parseCollectionLiteral('[1, ...?[2]]');
|
|
expect(list.elements, hasLength(2));
|
|
IntegerLiteral first = list.elements[0];
|
|
expect(first.value, 1);
|
|
|
|
SpreadElement element = list.elements[1];
|
|
expect(element.spreadOperator.lexeme, '...?');
|
|
ListLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_mapLiteral_for() {
|
|
SetOrMapLiteral map = parseCollectionLiteral(
|
|
'{1:7, await for (y in list) 2:3}',
|
|
inAsync: true);
|
|
expect(map.elements, hasLength(2));
|
|
MapLiteralEntry first = map.elements[0];
|
|
IntegerLiteral firstValue = first.value;
|
|
expect(firstValue.value, 7);
|
|
|
|
ForElement second = map.elements[1];
|
|
expect(second.awaitKeyword, isNotNull);
|
|
expect(second.forKeyword.isKeyword, isTrue);
|
|
expect(second.leftParenthesis.lexeme, '(');
|
|
expect(second.rightParenthesis.lexeme, ')');
|
|
ForEachPartsWithIdentifier forLoopParts = second.forLoopParts;
|
|
SimpleIdentifier forLoopVar = forLoopParts.identifier;
|
|
expect(forLoopVar.name, 'y');
|
|
expect(forLoopParts.inKeyword, isNotNull);
|
|
SimpleIdentifier iterable = forLoopParts.iterable;
|
|
expect(iterable.name, 'list');
|
|
}
|
|
|
|
void test_mapLiteral_forIf() {
|
|
SetOrMapLiteral map = parseCollectionLiteral(
|
|
'{1:7, await for (y in list) if (c) 2:3}',
|
|
inAsync: true);
|
|
expect(map.elements, hasLength(2));
|
|
MapLiteralEntry first = map.elements[0];
|
|
IntegerLiteral firstValue = first.value;
|
|
expect(firstValue.value, 7);
|
|
|
|
ForElement second = map.elements[1];
|
|
expect(second.awaitKeyword, isNotNull);
|
|
expect(second.forKeyword.isKeyword, isTrue);
|
|
expect(second.leftParenthesis.lexeme, '(');
|
|
expect(second.rightParenthesis.lexeme, ')');
|
|
ForEachPartsWithIdentifier forLoopParts = second.forLoopParts;
|
|
SimpleIdentifier forLoopVar = forLoopParts.identifier;
|
|
expect(forLoopVar.name, 'y');
|
|
expect(forLoopParts.inKeyword, isNotNull);
|
|
SimpleIdentifier iterable = forLoopParts.iterable;
|
|
expect(iterable.name, 'list');
|
|
|
|
IfElement body = second.body;
|
|
SimpleIdentifier condition = body.condition;
|
|
expect(condition.name, 'c');
|
|
MapLiteralEntry thenElement = body.thenElement;
|
|
IntegerLiteral thenValue = thenElement.value;
|
|
expect(thenValue.value, 3);
|
|
}
|
|
|
|
void test_mapLiteral_forSpread() {
|
|
SetOrMapLiteral map =
|
|
parseCollectionLiteral('{1:7, for (x = 0; x < 10; ++x) ...{2:3}}');
|
|
expect(map.elements, hasLength(2));
|
|
MapLiteralEntry first = map.elements[0];
|
|
IntegerLiteral firstValue = first.value;
|
|
expect(firstValue.value, 7);
|
|
|
|
ForElement second = map.elements[1];
|
|
expect(second.awaitKeyword, isNull);
|
|
expect(second.forKeyword.isKeyword, isTrue);
|
|
expect(second.leftParenthesis.lexeme, '(');
|
|
expect(second.rightParenthesis.lexeme, ')');
|
|
ForPartsWithExpression forLoopParts = second.forLoopParts;
|
|
AssignmentExpression forLoopInit = forLoopParts.initialization;
|
|
SimpleIdentifier forLoopVar = forLoopInit.leftHandSide;
|
|
expect(forLoopVar.name, 'x');
|
|
BinaryExpression condition = forLoopParts.condition;
|
|
IntegerLiteral rightOperand = condition.rightOperand;
|
|
expect(rightOperand.value, 10);
|
|
PrefixExpression updater = forLoopParts.updaters[0];
|
|
SimpleIdentifier updaterOperand = updater.operand;
|
|
expect(updaterOperand.name, 'x');
|
|
}
|
|
|
|
void test_mapLiteral_if() {
|
|
SetOrMapLiteral map = parseCollectionLiteral('{1:1, if (true) 2:4}');
|
|
expect(map.elements, hasLength(2));
|
|
MapLiteralEntry first = map.elements[0];
|
|
IntegerLiteral firstValue = first.value;
|
|
expect(firstValue.value, 1);
|
|
|
|
IfElement second = map.elements[1];
|
|
BooleanLiteral condition = second.condition;
|
|
expect(condition.value, isTrue);
|
|
MapLiteralEntry thenElement = second.thenElement;
|
|
IntegerLiteral thenElementValue = thenElement.value;
|
|
expect(thenElementValue.value, 4);
|
|
expect(second.elseElement, isNull);
|
|
}
|
|
|
|
void test_mapLiteral_ifElse() {
|
|
SetOrMapLiteral map =
|
|
parseCollectionLiteral('{1:1, if (true) 2:4 else 5:6}');
|
|
expect(map.elements, hasLength(2));
|
|
MapLiteralEntry first = map.elements[0];
|
|
IntegerLiteral firstValue = first.value;
|
|
expect(firstValue.value, 1);
|
|
|
|
IfElement second = map.elements[1];
|
|
BooleanLiteral condition = second.condition;
|
|
expect(condition.value, isTrue);
|
|
MapLiteralEntry thenElement = second.thenElement;
|
|
IntegerLiteral thenElementValue = thenElement.value;
|
|
expect(thenElementValue.value, 4);
|
|
MapLiteralEntry elseElement = second.elseElement;
|
|
IntegerLiteral elseElementValue = elseElement.value;
|
|
expect(elseElementValue.value, 6);
|
|
}
|
|
|
|
void test_mapLiteral_ifElseFor() {
|
|
SetOrMapLiteral map =
|
|
parseCollectionLiteral('{1:1, if (true) 2:4 else for (c in d) 5:6}');
|
|
expect(map.elements, hasLength(2));
|
|
MapLiteralEntry first = map.elements[0];
|
|
IntegerLiteral firstValue = first.value;
|
|
expect(firstValue.value, 1);
|
|
|
|
IfElement second = map.elements[1];
|
|
BooleanLiteral condition = second.condition;
|
|
expect(condition.value, isTrue);
|
|
MapLiteralEntry thenElement = second.thenElement;
|
|
IntegerLiteral thenElementValue = thenElement.value;
|
|
expect(thenElementValue.value, 4);
|
|
|
|
ForElement elseElement = second.elseElement;
|
|
ForEachPartsWithIdentifier forLoopParts = elseElement.forLoopParts;
|
|
expect(forLoopParts.identifier.name, 'c');
|
|
|
|
MapLiteralEntry body = elseElement.body;
|
|
IntegerLiteral bodyValue = body.value;
|
|
expect(bodyValue.value, 6);
|
|
}
|
|
|
|
void test_mapLiteral_ifElseSpread() {
|
|
SetOrMapLiteral map =
|
|
parseCollectionLiteral('{1:7, if (true) ...{2:4} else ...?{5:6}}');
|
|
expect(map.elements, hasLength(2));
|
|
MapLiteralEntry first = map.elements[0];
|
|
IntegerLiteral firstValue = first.value;
|
|
expect(firstValue.value, 7);
|
|
|
|
IfElement second = map.elements[1];
|
|
BooleanLiteral condition = second.condition;
|
|
expect(condition.value, isTrue);
|
|
SpreadElement thenElement = second.thenElement;
|
|
expect(thenElement.spreadOperator.lexeme, '...');
|
|
SpreadElement elseElement = second.elseElement;
|
|
expect(elseElement.spreadOperator.lexeme, '...?');
|
|
SetOrMapLiteral elseElementExpression = elseElement.expression;
|
|
expect(elseElementExpression.elements, hasLength(1));
|
|
MapLiteralEntry entry = elseElementExpression.elements[0];
|
|
IntegerLiteral entryValue = entry.value;
|
|
expect(entryValue.value, 6);
|
|
}
|
|
|
|
void test_mapLiteral_ifFor() {
|
|
SetOrMapLiteral map =
|
|
parseCollectionLiteral('{1:1, if (true) for (a in b) 2:4}');
|
|
expect(map.elements, hasLength(2));
|
|
MapLiteralEntry first = map.elements[0];
|
|
IntegerLiteral firstValue = first.value;
|
|
expect(firstValue.value, 1);
|
|
|
|
IfElement second = map.elements[1];
|
|
BooleanLiteral condition = second.condition;
|
|
expect(condition.value, isTrue);
|
|
|
|
ForElement thenElement = second.thenElement;
|
|
ForEachPartsWithIdentifier forLoopParts = thenElement.forLoopParts;
|
|
expect(forLoopParts.identifier.name, 'a');
|
|
|
|
MapLiteralEntry body = thenElement.body;
|
|
IntegerLiteral thenElementValue = body.value;
|
|
expect(thenElementValue.value, 4);
|
|
expect(second.elseElement, isNull);
|
|
}
|
|
|
|
void test_mapLiteral_ifSpread() {
|
|
SetOrMapLiteral map = parseCollectionLiteral('{1:1, if (true) ...{2:4}}');
|
|
expect(map.elements, hasLength(2));
|
|
MapLiteralEntry first = map.elements[0];
|
|
IntegerLiteral firstValue = first.value;
|
|
expect(firstValue.value, 1);
|
|
|
|
IfElement second = map.elements[1];
|
|
BooleanLiteral condition = second.condition;
|
|
expect(condition.value, isTrue);
|
|
SpreadElement thenElement = second.thenElement;
|
|
expect(thenElement.spreadOperator.lexeme, '...');
|
|
expect(second.elseElement, isNull);
|
|
}
|
|
|
|
void test_mapLiteral_spread() {
|
|
SetOrMapLiteral map = parseCollectionLiteral('{1: 2, ...{3: 4}}');
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments, isNull);
|
|
expect(map.elements, hasLength(2));
|
|
|
|
SpreadElement element = map.elements[1];
|
|
expect(element.spreadOperator.lexeme, '...');
|
|
SetOrMapLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_mapLiteral_spread2_typed() {
|
|
SetOrMapLiteral map = parseCollectionLiteral('<int, int>{1: 2, ...{3: 4}}');
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments.arguments, hasLength(2));
|
|
expect(map.elements, hasLength(2));
|
|
|
|
SpreadElement element = map.elements[1];
|
|
expect(element.spreadOperator.lexeme, '...');
|
|
SetOrMapLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_mapLiteral_spread_typed() {
|
|
SetOrMapLiteral map = parseCollectionLiteral('<int, int>{...{3: 4}}');
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments.arguments, hasLength(2));
|
|
expect(map.elements, hasLength(1));
|
|
|
|
SpreadElement element = map.elements[0];
|
|
expect(element.spreadOperator.lexeme, '...');
|
|
SetOrMapLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_mapLiteral_spreadQ() {
|
|
SetOrMapLiteral map = parseCollectionLiteral('{1: 2, ...?{3: 4}}');
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments, isNull);
|
|
expect(map.elements, hasLength(2));
|
|
|
|
SpreadElement element = map.elements[1];
|
|
expect(element.spreadOperator.lexeme, '...?');
|
|
SetOrMapLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_mapLiteral_spreadQ2_typed() {
|
|
SetOrMapLiteral map =
|
|
parseCollectionLiteral('<int, int>{1: 2, ...?{3: 4}}');
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments.arguments, hasLength(2));
|
|
expect(map.elements, hasLength(2));
|
|
|
|
SpreadElement element = map.elements[1];
|
|
expect(element.spreadOperator.lexeme, '...?');
|
|
SetOrMapLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_mapLiteral_spreadQ_typed() {
|
|
SetOrMapLiteral map = parseCollectionLiteral('<int, int>{...?{3: 4}}');
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments.arguments, hasLength(2));
|
|
expect(map.elements, hasLength(1));
|
|
|
|
SpreadElement element = map.elements[0];
|
|
expect(element.spreadOperator.lexeme, '...?');
|
|
SetOrMapLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_setLiteral_if() {
|
|
SetOrMapLiteral setLiteral = parseCollectionLiteral('{1, if (true) 2}');
|
|
expect(setLiteral.elements, hasLength(2));
|
|
IntegerLiteral first = setLiteral.elements[0];
|
|
expect(first.value, 1);
|
|
|
|
IfElement second = setLiteral.elements[1];
|
|
BooleanLiteral condition = second.condition;
|
|
expect(condition.value, isTrue);
|
|
IntegerLiteral thenElement = second.thenElement;
|
|
expect(thenElement.value, 2);
|
|
expect(second.elseElement, isNull);
|
|
}
|
|
|
|
void test_setLiteral_ifElse() {
|
|
SetOrMapLiteral setLiteral =
|
|
parseCollectionLiteral('{1, if (true) 2 else 5}');
|
|
expect(setLiteral.elements, hasLength(2));
|
|
IntegerLiteral first = setLiteral.elements[0];
|
|
expect(first.value, 1);
|
|
|
|
IfElement second = setLiteral.elements[1];
|
|
BooleanLiteral condition = second.condition;
|
|
expect(condition.value, isTrue);
|
|
IntegerLiteral thenElement = second.thenElement;
|
|
expect(thenElement.value, 2);
|
|
IntegerLiteral elseElement = second.elseElement;
|
|
expect(elseElement.value, 5);
|
|
}
|
|
|
|
void test_setLiteral_ifElseSpread() {
|
|
SetOrMapLiteral setLiteral =
|
|
parseCollectionLiteral('{1, if (true) ...{2} else ...?[5]}');
|
|
expect(setLiteral.elements, hasLength(2));
|
|
IntegerLiteral first = setLiteral.elements[0];
|
|
expect(first.value, 1);
|
|
|
|
IfElement second = setLiteral.elements[1];
|
|
BooleanLiteral condition = second.condition;
|
|
expect(condition.value, isTrue);
|
|
SpreadElement thenElement = second.thenElement;
|
|
expect(thenElement.spreadOperator.lexeme, '...');
|
|
SetOrMapLiteral theExpression = thenElement.expression;
|
|
expect(theExpression.elements, hasLength(1));
|
|
SpreadElement elseElement = second.elseElement;
|
|
expect(elseElement.spreadOperator.lexeme, '...?');
|
|
ListLiteral elseExpression = elseElement.expression;
|
|
expect(elseExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_setLiteral_ifSpread() {
|
|
SetOrMapLiteral setLiteral =
|
|
parseCollectionLiteral('{1, if (true) ...[2]}');
|
|
expect(setLiteral.elements, hasLength(2));
|
|
IntegerLiteral first = setLiteral.elements[0];
|
|
expect(first.value, 1);
|
|
|
|
IfElement second = setLiteral.elements[1];
|
|
BooleanLiteral condition = second.condition;
|
|
expect(condition.value, isTrue);
|
|
SpreadElement thenElement = second.thenElement;
|
|
expect(thenElement.spreadOperator.lexeme, '...');
|
|
expect(second.elseElement, isNull);
|
|
}
|
|
|
|
void test_setLiteral_spread2() {
|
|
SetOrMapLiteral set = parseCollectionLiteral('{3, ...[4]}');
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments, isNull);
|
|
expect(set.elements, hasLength(2));
|
|
IntegerLiteral value = set.elements[0];
|
|
expect(value.value, 3);
|
|
|
|
SpreadElement element = set.elements[1];
|
|
expect(element.spreadOperator.lexeme, '...');
|
|
ListLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_setLiteral_spread2Q() {
|
|
SetOrMapLiteral set = parseCollectionLiteral('{3, ...?[4]}');
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments, isNull);
|
|
expect(set.elements, hasLength(2));
|
|
IntegerLiteral value = set.elements[0];
|
|
expect(value.value, 3);
|
|
|
|
SpreadElement element = set.elements[1];
|
|
expect(element.spreadOperator.lexeme, '...?');
|
|
ListLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_setLiteral_spread_typed() {
|
|
SetOrMapLiteral set = parseCollectionLiteral('<int>{...[3]}');
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments, isNotNull);
|
|
expect(set.elements, hasLength(1));
|
|
|
|
SpreadElement element = set.elements[0];
|
|
expect(element.spreadOperator.lexeme, '...');
|
|
ListLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_setLiteral_spreadQ_typed() {
|
|
SetOrMapLiteral set = parseCollectionLiteral('<int>{...?[3]}');
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments, isNotNull);
|
|
expect(set.elements, hasLength(1));
|
|
|
|
SpreadElement element = set.elements[0];
|
|
expect(element.spreadOperator.lexeme, '...?');
|
|
ListLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_setOrMapLiteral_spread() {
|
|
SetOrMapLiteral map = parseCollectionLiteral('{...{3: 4}}');
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments, isNull);
|
|
expect(map.elements, hasLength(1));
|
|
|
|
SpreadElement element = map.elements[0];
|
|
expect(element.spreadOperator.lexeme, '...');
|
|
SetOrMapLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
|
|
void test_setOrMapLiteral_spreadQ() {
|
|
SetOrMapLiteral map = parseCollectionLiteral('{...?{3: 4}}');
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments, isNull);
|
|
expect(map.elements, hasLength(1));
|
|
|
|
SpreadElement element = map.elements[0];
|
|
expect(element.spreadOperator.lexeme, '...?');
|
|
SetOrMapLiteral spreadExpression = element.expression;
|
|
expect(spreadExpression.elements, hasLength(1));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Tests of the fasta parser based on [ComplexParserTestMixin].
|
|
*/
|
|
@reflectiveTest
|
|
class ComplexParserTest_Fasta extends FastaParserTestCase
|
|
with ComplexParserTestMixin {
|
|
void test_conditionalExpression_precedence_nullableType_as2() {
|
|
ExpressionStatement statement = parseStatement('x as bool? ? (x + y) : z;');
|
|
ConditionalExpression expression = statement.expression;
|
|
AsExpression asExpression = expression.condition;
|
|
TypeName type = asExpression.type;
|
|
expect(type.question.lexeme, '?');
|
|
Expression thenExpression = expression.thenExpression;
|
|
expect(thenExpression, isParenthesizedExpression);
|
|
Expression elseExpression = expression.elseExpression;
|
|
expect(elseExpression, isSimpleIdentifier);
|
|
assertErrors(
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 9, 1)]);
|
|
}
|
|
|
|
void test_conditionalExpression_precedence_nullableType_as3() {
|
|
ExpressionStatement statement =
|
|
parseStatement('(x as bool?) ? (x + y) : z;');
|
|
ConditionalExpression expression = statement.expression;
|
|
ParenthesizedExpression condition = expression.condition;
|
|
AsExpression asExpression = condition.expression;
|
|
TypeName type = asExpression.type;
|
|
expect(type.question.lexeme, '?');
|
|
Expression thenExpression = expression.thenExpression;
|
|
expect(thenExpression, isParenthesizedExpression);
|
|
Expression elseExpression = expression.elseExpression;
|
|
expect(elseExpression, isSimpleIdentifier);
|
|
assertErrors(
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 10, 1)]);
|
|
}
|
|
|
|
void test_conditionalExpression_precedence_nullableType_is2() {
|
|
ExpressionStatement statement =
|
|
parseStatement('x is String? ? (x + y) : z;');
|
|
ConditionalExpression expression = statement.expression;
|
|
IsExpression isExpression = expression.condition;
|
|
TypeName type = isExpression.type;
|
|
expect(type.question.lexeme, '?');
|
|
Expression thenExpression = expression.thenExpression;
|
|
expect(thenExpression, isParenthesizedExpression);
|
|
Expression elseExpression = expression.elseExpression;
|
|
expect(elseExpression, isSimpleIdentifier);
|
|
assertErrors(
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 11, 1)]);
|
|
}
|
|
|
|
void test_conditionalExpression_precedence_nullableType_is3() {
|
|
ExpressionStatement statement =
|
|
parseStatement('(x is String?) ? (x + y) : z;');
|
|
ConditionalExpression expression = statement.expression;
|
|
ParenthesizedExpression condition = expression.condition;
|
|
IsExpression isExpression = condition.expression;
|
|
TypeName type = isExpression.type;
|
|
expect(type.question.lexeme, '?');
|
|
Expression thenExpression = expression.thenExpression;
|
|
expect(thenExpression, isParenthesizedExpression);
|
|
Expression elseExpression = expression.elseExpression;
|
|
expect(elseExpression, isSimpleIdentifier);
|
|
assertErrors(
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 12, 1)]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Tests of the fasta parser based on [ErrorParserTest].
|
|
*/
|
|
@reflectiveTest
|
|
class ErrorParserTest_Fasta extends FastaParserTestCase
|
|
with ErrorParserTestMixin {
|
|
void test_await_missing_async2_issue36048() {
|
|
parseCompilationUnit('''
|
|
main() { // missing async
|
|
await foo.bar();
|
|
}
|
|
''', errors: [
|
|
expectedError(CompileTimeErrorCode.AWAIT_IN_WRONG_CONTEXT, 28, 5)
|
|
]);
|
|
}
|
|
|
|
void test_await_missing_async3_issue36048() {
|
|
parseCompilationUnit('''
|
|
main() { // missing async
|
|
(await foo);
|
|
}
|
|
''', errors: [
|
|
expectedError(CompileTimeErrorCode.AWAIT_IN_WRONG_CONTEXT, 29, 5)
|
|
]);
|
|
}
|
|
|
|
void test_await_missing_async4_issue36048() {
|
|
parseCompilationUnit('''
|
|
main() { // missing async
|
|
[await foo];
|
|
}
|
|
''', errors: [
|
|
expectedError(CompileTimeErrorCode.AWAIT_IN_WRONG_CONTEXT, 29, 5)
|
|
]);
|
|
}
|
|
|
|
void test_await_missing_async_issue36048() {
|
|
parseCompilationUnit('''
|
|
main() { // missing async
|
|
await foo();
|
|
}
|
|
''', errors: [
|
|
expectedError(CompileTimeErrorCode.AWAIT_IN_WRONG_CONTEXT, 28, 5)
|
|
]);
|
|
}
|
|
|
|
void test_constructor_super_field() {
|
|
// https://github.com/dart-lang/sdk/issues/36262
|
|
// https://github.com/dart-lang/sdk/issues/31198
|
|
parseCompilationUnit('class B extends A { B(): super().foo {} }', errors: [
|
|
expectedError(ParserErrorCode.INVALID_SUPER_IN_INITIALIZER, 25, 5),
|
|
]);
|
|
}
|
|
|
|
void test_constructor_super_method() {
|
|
// https://github.com/dart-lang/sdk/issues/36262
|
|
// https://github.com/dart-lang/sdk/issues/31198
|
|
parseCompilationUnit('class B extends A { B(): super().foo() {} }',
|
|
errors: [
|
|
expectedError(ParserErrorCode.INVALID_SUPER_IN_INITIALIZER, 25, 5),
|
|
]);
|
|
}
|
|
|
|
void test_constructor_this_field() {
|
|
// https://github.com/dart-lang/sdk/issues/36262
|
|
// https://github.com/dart-lang/sdk/issues/31198
|
|
parseCompilationUnit('class B extends A { B(): this().foo; }', errors: [
|
|
expectedError(ParserErrorCode.INVALID_THIS_IN_INITIALIZER, 25, 4),
|
|
]);
|
|
}
|
|
|
|
void test_constructor_this_method() {
|
|
// https://github.com/dart-lang/sdk/issues/36262
|
|
// https://github.com/dart-lang/sdk/issues/31198
|
|
parseCompilationUnit('class B extends A { B(): this().foo(); }', errors: [
|
|
expectedError(ParserErrorCode.INVALID_THIS_IN_INITIALIZER, 25, 4),
|
|
]);
|
|
}
|
|
|
|
@override
|
|
void test_expectedListOrMapLiteral() {
|
|
// The fasta parser returns an 'IntegerLiteralImpl' when parsing '1'.
|
|
// This test is not expected to ever pass.
|
|
//super.test_expectedListOrMapLiteral();
|
|
}
|
|
|
|
@override
|
|
void test_expectedStringLiteral() {
|
|
// The fasta parser returns an 'IntegerLiteralImpl' when parsing '1'.
|
|
// This test is not expected to ever pass.
|
|
//super.test_expectedStringLiteral();
|
|
}
|
|
|
|
void test_factory_issue_36400() {
|
|
parseCompilationUnit('class T { T factory T() { return null; } }',
|
|
errors: [expectedError(ParserErrorCode.TYPE_BEFORE_FACTORY, 10, 1)]);
|
|
}
|
|
|
|
void test_getterNativeWithBody() {
|
|
createParser('String get m native "str" => 0;');
|
|
parser.parseClassMember('C') as MethodDeclaration;
|
|
if (!allowNativeClause) {
|
|
assertErrorsWithCodes([
|
|
ParserErrorCode.NATIVE_CLAUSE_SHOULD_BE_ANNOTATION,
|
|
ParserErrorCode.EXTERNAL_METHOD_WITH_BODY,
|
|
]);
|
|
} else {
|
|
assertErrorsWithCodes([
|
|
ParserErrorCode.EXTERNAL_METHOD_WITH_BODY,
|
|
]);
|
|
}
|
|
}
|
|
|
|
void test_invalidOperatorAfterSuper_constructorInitializer2() {
|
|
parseCompilationUnit('class C { C() : super?.namedConstructor(); }',
|
|
errors: [
|
|
expectedError(
|
|
ParserErrorCode.INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER,
|
|
21,
|
|
2)
|
|
]);
|
|
}
|
|
|
|
void test_partialNamedConstructor() {
|
|
parseCompilationUnit('class C { C. }', errors: [
|
|
expectedError(ParserErrorCode.MISSING_IDENTIFIER, 13, 1),
|
|
expectedError(ParserErrorCode.MISSING_METHOD_PARAMETERS, 10, 1),
|
|
expectedError(ParserErrorCode.MISSING_FUNCTION_BODY, 13, 1),
|
|
]);
|
|
}
|
|
|
|
void test_staticOperatorNamedMethod() {
|
|
// operator can be used as a method name
|
|
parseCompilationUnit('class C { static operator(x) => x; }');
|
|
}
|
|
|
|
void test_yieldAsLabel() {
|
|
// yield can be used as a label
|
|
parseCompilationUnit('main() { yield: break yield; }');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Tests of the fasta parser based on [ExpressionParserTestMixin].
|
|
*/
|
|
@reflectiveTest
|
|
class ExpressionParserTest_Fasta extends FastaParserTestCase
|
|
with ExpressionParserTestMixin {
|
|
final beforeUiAsCode = FeatureSet.forTesting(sdkVersion: '2.2.0');
|
|
|
|
void test_binaryExpression_allOperators() {
|
|
// https://github.com/dart-lang/sdk/issues/36255
|
|
for (TokenType type in TokenType.all) {
|
|
if (type.precedence > 0) {
|
|
var source = 'a ${type.lexeme} b';
|
|
try {
|
|
parseExpression(source);
|
|
} on TestFailure {
|
|
// Ensure that there are no infinite loops or exceptions thrown
|
|
// by the parser. Test failures are fine.
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void test_listLiteral_spread_disabled() {
|
|
ListLiteral list =
|
|
parseExpression('[1, ...[2]]', featureSet: beforeUiAsCode, errors: [
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 4, 3),
|
|
]);
|
|
expect(list.elements, hasLength(1));
|
|
IntegerLiteral first = list.elements[0];
|
|
expect(first.value, 1);
|
|
}
|
|
|
|
void test_listLiteral_spreadQ_disabled() {
|
|
ListLiteral list =
|
|
parseExpression('[1, ...?[2]]', featureSet: beforeUiAsCode, errors: [
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 4, 4),
|
|
]);
|
|
expect(list.elements, hasLength(1));
|
|
IntegerLiteral first = list.elements[0];
|
|
expect(first.value, 1);
|
|
}
|
|
|
|
void test_mapLiteral() {
|
|
SetOrMapLiteral map = parseExpression('{3: 6}');
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments, isNull);
|
|
expect(map.elements, hasLength(1));
|
|
MapLiteralEntry entry = map.elements[0];
|
|
IntegerLiteral key = entry.key;
|
|
expect(key.value, 3);
|
|
IntegerLiteral value = entry.value;
|
|
expect(value.value, 6);
|
|
}
|
|
|
|
void test_mapLiteral_const() {
|
|
SetOrMapLiteral map = parseExpression('const {3: 6}');
|
|
expect(map.constKeyword, isNotNull);
|
|
expect(map.typeArguments, isNull);
|
|
expect(map.elements, hasLength(1));
|
|
MapLiteralEntry entry = map.elements[0];
|
|
IntegerLiteral key = entry.key;
|
|
expect(key.value, 3);
|
|
IntegerLiteral value = entry.value;
|
|
expect(value.value, 6);
|
|
}
|
|
|
|
void test_mapLiteral_invalid_set_entry_uiAsCodeDisabled() {
|
|
SetOrMapLiteral map =
|
|
parseExpression('<int, int>{1}', featureSet: beforeUiAsCode, errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 12, 1),
|
|
expectedError(ParserErrorCode.MISSING_IDENTIFIER, 12, 1),
|
|
]);
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments.arguments, hasLength(2));
|
|
expect(map.elements, hasLength(1));
|
|
}
|
|
|
|
@failingTest
|
|
void test_mapLiteral_invalid_too_many_type_arguments1() {
|
|
SetOrMapLiteral map = parseExpression('<int, int, int>{}', errors: [
|
|
// TODO(danrubel): Currently the resolver reports invalid number of
|
|
// type arguments, but the parser could report this.
|
|
expectedError(
|
|
/* ParserErrorCode.EXPECTED_ONE_OR_TWO_TYPE_VARIABLES */
|
|
ParserErrorCode.EXPECTED_TOKEN,
|
|
11,
|
|
3),
|
|
]);
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.elements, hasLength(0));
|
|
}
|
|
|
|
@failingTest
|
|
void test_mapLiteral_invalid_too_many_type_arguments2() {
|
|
SetOrMapLiteral map = parseExpression('<int, int, int>{1}', errors: [
|
|
// TODO(danrubel): Currently the resolver reports invalid number of
|
|
// type arguments, but the parser could report this.
|
|
expectedError(
|
|
/* ParserErrorCode.EXPECTED_ONE_OR_TWO_TYPE_VARIABLES */
|
|
ParserErrorCode.EXPECTED_TOKEN,
|
|
11,
|
|
3),
|
|
]);
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.elements, hasLength(0));
|
|
}
|
|
|
|
void test_mapLiteral_spread2_typed_disabled() {
|
|
SetOrMapLiteral map = parseExpression('<int, int>{1: 2, ...{3: 4}}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 17, 3),
|
|
]);
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments.arguments, hasLength(2));
|
|
expect(map.elements, hasLength(1));
|
|
}
|
|
|
|
void test_mapLiteral_spread_disabled() {
|
|
SetOrMapLiteral map = parseExpression('{1: 2, ...{3: 4}}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 7, 3),
|
|
]);
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments, isNull);
|
|
expect(map.elements, hasLength(1));
|
|
}
|
|
|
|
void test_mapLiteral_spread_typed_disabled() {
|
|
SetOrMapLiteral map = parseExpression('<int, int>{...{3: 4}}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 11, 3),
|
|
]);
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments.arguments, hasLength(2));
|
|
expect(map.elements, hasLength(0));
|
|
}
|
|
|
|
void test_mapLiteral_spreadQ2_typed_disabled() {
|
|
SetOrMapLiteral map = parseExpression('<int, int>{1: 2, ...?{3: 4}}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 17, 4),
|
|
]);
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments.arguments, hasLength(2));
|
|
expect(map.elements, hasLength(1));
|
|
}
|
|
|
|
void test_mapLiteral_spreadQ_disabled() {
|
|
SetOrMapLiteral map = parseExpression('{1: 2, ...?{3: 4}}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 7, 4),
|
|
]);
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments, isNull);
|
|
expect(map.elements, hasLength(1));
|
|
}
|
|
|
|
void test_mapLiteral_spreadQ_typed_disabled() {
|
|
SetOrMapLiteral map = parseExpression('<int, int>{...?{3: 4}}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 11, 4),
|
|
]);
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments.arguments, hasLength(2));
|
|
expect(map.elements, hasLength(0));
|
|
}
|
|
|
|
@override
|
|
@failingTest
|
|
void test_parseUnaryExpression_decrement_super() {
|
|
// TODO(danrubel) Reports a different error and different token stream.
|
|
// Expected: TokenType:<MINUS>
|
|
// Actual: TokenType:<MINUS_MINUS>
|
|
super.test_parseUnaryExpression_decrement_super();
|
|
}
|
|
|
|
@override
|
|
@failingTest
|
|
void test_parseUnaryExpression_decrement_super_withComment() {
|
|
// TODO(danrubel) Reports a different error and different token stream.
|
|
// Expected: TokenType:<MINUS>
|
|
// Actual: TokenType:<MINUS_MINUS>
|
|
super.test_parseUnaryExpression_decrement_super_withComment();
|
|
}
|
|
|
|
void test_setLiteral() {
|
|
SetOrMapLiteral set = parseExpression('{3}');
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments, isNull);
|
|
expect(set.elements, hasLength(1));
|
|
IntegerLiteral value = set.elements[0];
|
|
expect(value.value, 3);
|
|
}
|
|
|
|
void test_setLiteral_const() {
|
|
SetOrMapLiteral set = parseExpression('const {3, 6}');
|
|
expect(set.constKeyword, isNotNull);
|
|
expect(set.typeArguments, isNull);
|
|
expect(set.elements, hasLength(2));
|
|
IntegerLiteral value1 = set.elements[0];
|
|
expect(value1.value, 3);
|
|
IntegerLiteral value2 = set.elements[1];
|
|
expect(value2.value, 6);
|
|
}
|
|
|
|
void test_setLiteral_const_typed() {
|
|
SetOrMapLiteral set = parseExpression('const <int>{3}');
|
|
expect(set.constKeyword, isNotNull);
|
|
expect(set.typeArguments.arguments, hasLength(1));
|
|
NamedType typeArg = set.typeArguments.arguments[0];
|
|
expect(typeArg.name.name, 'int');
|
|
expect(set.elements.length, 1);
|
|
IntegerLiteral value = set.elements[0];
|
|
expect(value.value, 3);
|
|
}
|
|
|
|
void test_setLiteral_invalid_map_entry_beforeUiAsCode() {
|
|
SetOrMapLiteral set =
|
|
parseExpression('<int>{1: 1}', featureSet: beforeUiAsCode, errors: [
|
|
expectedError(ParserErrorCode.UNEXPECTED_TOKEN, 7, 1),
|
|
]);
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments.arguments, hasLength(1));
|
|
NamedType typeArg = set.typeArguments.arguments[0];
|
|
expect(typeArg.name.name, 'int');
|
|
expect(set.elements.length, 1);
|
|
}
|
|
|
|
void test_setLiteral_nested_typeArgument() {
|
|
SetOrMapLiteral set = parseExpression('<Set<int>>{{3}}');
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments.arguments, hasLength(1));
|
|
NamedType typeArg1 = set.typeArguments.arguments[0];
|
|
expect(typeArg1.name.name, 'Set');
|
|
expect(typeArg1.typeArguments.arguments, hasLength(1));
|
|
NamedType typeArg2 = typeArg1.typeArguments.arguments[0];
|
|
expect(typeArg2.name.name, 'int');
|
|
expect(set.elements.length, 1);
|
|
SetOrMapLiteral intSet = set.elements[0];
|
|
expect(intSet.elements, hasLength(1));
|
|
IntegerLiteral value = intSet.elements[0];
|
|
expect(value.value, 3);
|
|
}
|
|
|
|
void test_setLiteral_spread2_disabled() {
|
|
SetOrMapLiteral set = parseExpression('{3, ...[4]}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 4, 3)]);
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments, isNull);
|
|
expect(set.elements, hasLength(1));
|
|
IntegerLiteral value = set.elements[0];
|
|
expect(value.value, 3);
|
|
}
|
|
|
|
void test_setLiteral_spread2Q_disabled() {
|
|
SetOrMapLiteral set = parseExpression('{3, ...?[4]}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 4, 4)]);
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments, isNull);
|
|
expect(set.elements, hasLength(1));
|
|
IntegerLiteral value = set.elements[0];
|
|
expect(value.value, 3);
|
|
}
|
|
|
|
void test_setLiteral_spread_typed_disabled() {
|
|
SetOrMapLiteral set = parseExpression('<int>{...[3]}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 6, 3)]);
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments, isNotNull);
|
|
expect(set.elements, hasLength(0));
|
|
}
|
|
|
|
void test_setLiteral_spreadQ_typed_disabled() {
|
|
SetOrMapLiteral set = parseExpression('<int>{...?[3]}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 6, 4)]);
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments, isNotNull);
|
|
expect(set.elements, hasLength(0));
|
|
}
|
|
|
|
void test_setLiteral_typed() {
|
|
SetOrMapLiteral set = parseExpression('<int>{3}');
|
|
expect(set.constKeyword, isNull);
|
|
expect(set.typeArguments.arguments, hasLength(1));
|
|
NamedType typeArg = set.typeArguments.arguments[0];
|
|
expect(typeArg.name.name, 'int');
|
|
expect(set.elements.length, 1);
|
|
IntegerLiteral value = set.elements[0];
|
|
expect(value.value, 3);
|
|
}
|
|
|
|
void test_setOrMapLiteral_spread_disabled() {
|
|
SetOrMapLiteral map = parseExpression('{...{3: 4}}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 1, 3)]);
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments, isNull);
|
|
expect(map.elements, hasLength(0));
|
|
}
|
|
|
|
void test_setOrMapLiteral_spreadQ_disabled() {
|
|
SetOrMapLiteral map = parseExpression('{...?{3: 4}}',
|
|
featureSet: beforeUiAsCode,
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 1, 4)]);
|
|
expect(map.constKeyword, isNull);
|
|
expect(map.typeArguments, isNull);
|
|
expect(map.elements, hasLength(0));
|
|
}
|
|
}
|
|
|
|
@reflectiveTest
|
|
class ExtensionMethodsParserTest_Fasta extends FastaParserTestCase {
|
|
@override
|
|
CompilationUnit parseCompilationUnit(String content,
|
|
{List<ErrorCode> codes,
|
|
List<ExpectedError> errors,
|
|
FeatureSet featureSet}) {
|
|
return super.parseCompilationUnit(content,
|
|
codes: codes,
|
|
errors: errors,
|
|
featureSet: featureSet ??
|
|
FeatureSet.forTesting(
|
|
sdkVersion: '2.3.0',
|
|
additionalFeatures: [Feature.extension_methods],
|
|
));
|
|
}
|
|
|
|
void test_complex_extends() {
|
|
var unit = parseCompilationUnit(
|
|
'extension E extends A with B, C implements D { }',
|
|
errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_INSTEAD, 12, 7),
|
|
expectedError(ParserErrorCode.UNEXPECTED_TOKEN, 22, 4),
|
|
expectedError(ParserErrorCode.UNEXPECTED_TOKEN, 28, 1),
|
|
expectedError(ParserErrorCode.UNEXPECTED_TOKEN, 32, 10),
|
|
]);
|
|
expect(unit.declarations, hasLength(1));
|
|
var extension = unit.declarations[0] as ExtensionDeclaration;
|
|
expect(extension.name.name, 'E');
|
|
expect(extension.onKeyword.lexeme, 'extends');
|
|
expect((extension.extendedType as NamedType).name.name, 'A');
|
|
expect(extension.members, hasLength(0));
|
|
}
|
|
|
|
void test_complex_implements() {
|
|
var unit = parseCompilationUnit('extension E implements C, D { }', errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_INSTEAD, 12, 10),
|
|
expectedError(ParserErrorCode.UNEXPECTED_TOKEN, 24, 1),
|
|
]);
|
|
expect(unit.declarations, hasLength(1));
|
|
var extension = unit.declarations[0] as ExtensionDeclaration;
|
|
expect(extension.name.name, 'E');
|
|
expect(extension.onKeyword.lexeme, 'implements');
|
|
expect((extension.extendedType as NamedType).name.name, 'C');
|
|
expect(extension.members, hasLength(0));
|
|
}
|
|
|
|
void test_complex_type() {
|
|
var unit = parseCompilationUnit('extension E on C<T> { }');
|
|
expect(unit.declarations, hasLength(1));
|
|
var extension = unit.declarations[0] as ExtensionDeclaration;
|
|
expect(extension.name.name, 'E');
|
|
expect(extension.onKeyword.lexeme, 'on');
|
|
var namedType = (extension.extendedType as NamedType);
|
|
expect(namedType.name.name, 'C');
|
|
expect(namedType.typeArguments.arguments, hasLength(1));
|
|
expect(extension.members, hasLength(0));
|
|
}
|
|
|
|
void test_missing_on() {
|
|
var unit = parseCompilationUnit('extension E', errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 10, 1),
|
|
expectedError(ParserErrorCode.EXPECTED_TYPE_NAME, 11, 0),
|
|
expectedError(ParserErrorCode.MISSING_CLASS_BODY, 11, 0),
|
|
]);
|
|
expect(unit.declarations, hasLength(1));
|
|
var extension = unit.declarations[0] as ExtensionDeclaration;
|
|
expect(extension.name.name, 'E');
|
|
expect(extension.onKeyword.lexeme, 'on');
|
|
expect((extension.extendedType as NamedType).name.name, '');
|
|
expect(extension.members, hasLength(0));
|
|
}
|
|
|
|
void test_missing_on_withBlock() {
|
|
var unit = parseCompilationUnit('extension E {}', errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 10, 1),
|
|
expectedError(ParserErrorCode.EXPECTED_TYPE_NAME, 12, 1),
|
|
]);
|
|
expect(unit.declarations, hasLength(1));
|
|
var extension = unit.declarations[0] as ExtensionDeclaration;
|
|
expect(extension.name.name, 'E');
|
|
expect(extension.onKeyword.lexeme, 'on');
|
|
expect((extension.extendedType as NamedType).name.name, '');
|
|
expect(extension.members, hasLength(0));
|
|
}
|
|
|
|
void test_missing_on_withClassAndBlock() {
|
|
var unit = parseCompilationUnit('extension E C {}', errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 10, 1),
|
|
]);
|
|
expect(unit.declarations, hasLength(1));
|
|
var extension = unit.declarations[0] as ExtensionDeclaration;
|
|
expect(extension.name.name, 'E');
|
|
expect(extension.onKeyword.lexeme, 'on');
|
|
expect((extension.extendedType as NamedType).name.name, 'C');
|
|
expect(extension.members, hasLength(0));
|
|
}
|
|
|
|
void test_simple() {
|
|
var unit = parseCompilationUnit('extension E on C { }');
|
|
expect(unit.declarations, hasLength(1));
|
|
var extension = unit.declarations[0] as ExtensionDeclaration;
|
|
expect(extension.name.name, 'E');
|
|
expect(extension.onKeyword.lexeme, 'on');
|
|
expect((extension.extendedType as NamedType).name.name, 'C');
|
|
var namedType = (extension.extendedType as NamedType);
|
|
expect(namedType.name.name, 'C');
|
|
expect(namedType.typeArguments, isNull);
|
|
expect(extension.members, hasLength(0));
|
|
}
|
|
|
|
void test_simple_extends() {
|
|
var unit = parseCompilationUnit('extension E extends C { }', errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_INSTEAD, 12, 7),
|
|
]);
|
|
expect(unit.declarations, hasLength(1));
|
|
var extension = unit.declarations[0] as ExtensionDeclaration;
|
|
expect(extension.name.name, 'E');
|
|
expect(extension.onKeyword.lexeme, 'extends');
|
|
expect((extension.extendedType as NamedType).name.name, 'C');
|
|
expect(extension.members, hasLength(0));
|
|
}
|
|
|
|
void test_simple_implements() {
|
|
var unit = parseCompilationUnit('extension E implements C { }', errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_INSTEAD, 12, 10),
|
|
]);
|
|
expect(unit.declarations, hasLength(1));
|
|
var extension = unit.declarations[0] as ExtensionDeclaration;
|
|
expect(extension.name.name, 'E');
|
|
expect(extension.onKeyword.lexeme, 'implements');
|
|
expect((extension.extendedType as NamedType).name.name, 'C');
|
|
expect(extension.members, hasLength(0));
|
|
}
|
|
|
|
void test_simple_not_enabled() {
|
|
parseCompilationUnit('extension E on C { }',
|
|
errors: [
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 0, 9),
|
|
expectedError(ParserErrorCode.MISSING_FUNCTION_PARAMETERS, 15, 1)
|
|
],
|
|
featureSet: FeatureSet.forTesting(sdkVersion: '2.3.0'));
|
|
}
|
|
|
|
void test_simple_with() {
|
|
var unit = parseCompilationUnit('extension E with C { }', errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_INSTEAD, 12, 4),
|
|
]);
|
|
expect(unit.declarations, hasLength(1));
|
|
var extension = unit.declarations[0] as ExtensionDeclaration;
|
|
expect(extension.name.name, 'E');
|
|
expect(extension.onKeyword.lexeme, 'with');
|
|
expect((extension.extendedType as NamedType).name.name, 'C');
|
|
expect(extension.members, hasLength(0));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implementation of [AbstractParserTestCase] specialized for testing the
|
|
* Fasta parser.
|
|
*/
|
|
class FastaParserTestCase
|
|
with ParserTestHelpers
|
|
implements AbstractParserTestCase {
|
|
static final List<ErrorCode> NO_ERROR_COMPARISON = <ErrorCode>[];
|
|
|
|
final controlFlow = FeatureSet.forTesting(
|
|
sdkVersion: '2.0.0',
|
|
additionalFeatures: [Feature.control_flow_collections]);
|
|
|
|
final spread = FeatureSet.forTesting(
|
|
sdkVersion: '2.0.0', additionalFeatures: [Feature.spread_collections]);
|
|
|
|
final nonNullable = FeatureSet.forTesting(
|
|
sdkVersion: '2.2.2', additionalFeatures: [Feature.non_nullable]);
|
|
|
|
final preNonNullable = FeatureSet.forTesting(sdkVersion: '2.2.2');
|
|
|
|
ParserProxy _parserProxy;
|
|
|
|
analyzer.Token _fastaTokens;
|
|
|
|
@override
|
|
bool allowNativeClause = false;
|
|
|
|
set enableOptionalNewAndConst(bool enable) {
|
|
// ignored
|
|
}
|
|
|
|
@override
|
|
set enableUriInPartOf(bool value) {
|
|
if (value == false) {
|
|
throw new UnimplementedError(
|
|
'URIs in "part of" declarations cannot be disabled in Fasta.');
|
|
}
|
|
}
|
|
|
|
@override
|
|
GatheringErrorListener get listener => _parserProxy._errorListener;
|
|
|
|
@override
|
|
analyzer.Parser get parser => _parserProxy;
|
|
|
|
@override
|
|
bool get usingFastaParser => true;
|
|
|
|
void assertErrors({List<ErrorCode> codes, List<ExpectedError> errors}) {
|
|
if (codes != null) {
|
|
if (!identical(codes, NO_ERROR_COMPARISON)) {
|
|
assertErrorsWithCodes(codes);
|
|
}
|
|
} else if (errors != null) {
|
|
listener.assertErrors(errors);
|
|
} else {
|
|
assertNoErrors();
|
|
}
|
|
}
|
|
|
|
@override
|
|
void assertErrorsWithCodes(List<ErrorCode> expectedErrorCodes) {
|
|
_parserProxy._errorListener.assertErrorsWithCodes(
|
|
_toFastaGeneratedAnalyzerErrorCodes(expectedErrorCodes));
|
|
}
|
|
|
|
@override
|
|
void assertNoErrors() {
|
|
_parserProxy._errorListener.assertNoErrors();
|
|
}
|
|
|
|
@override
|
|
void createParser(String content,
|
|
{int expectedEndOffset, FeatureSet featureSet}) {
|
|
featureSet ??= FeatureSet.forTesting();
|
|
var scanner = new StringScanner(content,
|
|
configuration: ScannerConfiguration.nonNullable, includeComments: true);
|
|
_fastaTokens = scanner.tokenize();
|
|
_parserProxy = new ParserProxy(_fastaTokens, featureSet,
|
|
allowNativeClause: allowNativeClause,
|
|
expectedEndOffset: expectedEndOffset);
|
|
}
|
|
|
|
@override
|
|
ExpectedError expectedError(ErrorCode code, int offset, int length) =>
|
|
new ExpectedError(
|
|
_toFastaGeneratedAnalyzerErrorCode(code), offset, length);
|
|
|
|
@override
|
|
void expectNotNullIfNoErrors(Object result) {
|
|
if (!listener.hasErrors) {
|
|
expect(result, isNotNull);
|
|
}
|
|
}
|
|
|
|
@override
|
|
Expression parseAdditiveExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
Expression parseArgument(String source) {
|
|
createParser(source);
|
|
return _parserProxy.parseArgument();
|
|
}
|
|
|
|
@override
|
|
Expression parseAssignableExpression(String code, bool primaryAllowed) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Expression parseAssignableSelector(String code, bool optional,
|
|
{bool allowConditional: true}) {
|
|
if (optional) {
|
|
if (code.isEmpty) {
|
|
return _parseExpression('foo');
|
|
}
|
|
return _parseExpression('(foo)$code');
|
|
}
|
|
return _parseExpression('foo$code');
|
|
}
|
|
|
|
@override
|
|
AwaitExpression parseAwaitExpression(String code) {
|
|
var function = _parseExpression('() async => $code') as FunctionExpression;
|
|
return (function.body as ExpressionFunctionBody).expression;
|
|
}
|
|
|
|
@override
|
|
Expression parseBitwiseAndExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Expression parseBitwiseOrExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Expression parseBitwiseXorExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Expression parseCascadeSection(String code) {
|
|
var cascadeExpression = _parseExpression('null$code') as CascadeExpression;
|
|
return cascadeExpression.cascadeSections.first;
|
|
}
|
|
|
|
CommentReference parseCommentReference(
|
|
String referenceSource, int sourceOffset) {
|
|
String padding = ' '.padLeft(sourceOffset - 4, 'a');
|
|
String source = '/**$padding[$referenceSource] */ class C { }';
|
|
CompilationUnit unit = parseCompilationUnit(source);
|
|
ClassDeclaration clazz = unit.declarations[0];
|
|
Comment comment = clazz.documentationComment;
|
|
List<CommentReference> references = comment.references;
|
|
if (references.isEmpty) {
|
|
return null;
|
|
} else {
|
|
expect(references, hasLength(1));
|
|
return references[0];
|
|
}
|
|
}
|
|
|
|
@override
|
|
CompilationUnit parseCompilationUnit(String content,
|
|
{List<ErrorCode> codes,
|
|
List<ExpectedError> errors,
|
|
FeatureSet featureSet}) {
|
|
GatheringErrorListener listener =
|
|
new GatheringErrorListener(checkRanges: true);
|
|
|
|
CompilationUnit unit =
|
|
parseCompilationUnit2(content, listener, featureSet: featureSet);
|
|
|
|
// Assert and return result
|
|
if (codes != null) {
|
|
listener
|
|
.assertErrorsWithCodes(_toFastaGeneratedAnalyzerErrorCodes(codes));
|
|
} else if (errors != null) {
|
|
listener.assertErrors(errors);
|
|
} else {
|
|
listener.assertNoErrors();
|
|
}
|
|
return unit;
|
|
}
|
|
|
|
CompilationUnit parseCompilationUnit2(
|
|
String content, GatheringErrorListener listener,
|
|
{FeatureSet featureSet}) {
|
|
featureSet ??= FeatureSet.forTesting();
|
|
var source = new StringSource(content, 'parser_test_StringSource.dart');
|
|
|
|
// Adjust the feature set based on language version comment.
|
|
void languageVersionChanged(
|
|
fasta.Scanner scanner, LanguageVersionToken languageVersion) {
|
|
featureSet = featureSet.restrictToVersion(
|
|
Version(languageVersion.major, languageVersion.minor, 0));
|
|
scanner.configuration = Scanner.buildConfig(featureSet);
|
|
}
|
|
|
|
// Scan tokens
|
|
ScannerResult result = scanString(content,
|
|
includeComments: true,
|
|
configuration: Scanner.buildConfig(featureSet),
|
|
languageVersionChanged: languageVersionChanged);
|
|
_fastaTokens = result.tokens;
|
|
|
|
// Run parser
|
|
ErrorReporter errorReporter = new ErrorReporter(listener, source);
|
|
fasta.Parser parser = new fasta.Parser(null);
|
|
AstBuilder astBuilder = new AstBuilder(errorReporter, source.uri, true)
|
|
..configureFeatures(featureSet);
|
|
parser.listener = astBuilder;
|
|
astBuilder.parser = parser;
|
|
astBuilder.allowNativeClause = allowNativeClause;
|
|
parser.parseUnit(_fastaTokens);
|
|
CompilationUnitImpl unit = astBuilder.pop();
|
|
unit.localDeclarations = astBuilder.localDeclarations;
|
|
|
|
expect(unit, isNotNull);
|
|
return unit;
|
|
}
|
|
|
|
@override
|
|
ConditionalExpression parseConditionalExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Expression parseConstExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
ConstructorInitializer parseConstructorInitializer(String code) {
|
|
createParser('class __Test { __Test() : $code; }');
|
|
CompilationUnit unit = _parserProxy.parseCompilationUnit2();
|
|
assertNoErrors();
|
|
var clazz = unit.declarations[0] as ClassDeclaration;
|
|
var constructor = clazz.members[0] as ConstructorDeclaration;
|
|
return constructor.initializers.single;
|
|
}
|
|
|
|
@override
|
|
CompilationUnit parseDirectives(String source,
|
|
[List<ErrorCode> errorCodes = const <ErrorCode>[]]) {
|
|
createParser(source);
|
|
CompilationUnit unit =
|
|
_parserProxy.parseDirectives(_parserProxy.currentToken);
|
|
expect(unit, isNotNull);
|
|
expect(unit.declarations, hasLength(0));
|
|
listener.assertErrorsWithCodes(errorCodes);
|
|
return unit;
|
|
}
|
|
|
|
@override
|
|
BinaryExpression parseEqualityExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Expression parseExpression(String source,
|
|
{List<ErrorCode> codes,
|
|
List<ExpectedError> errors,
|
|
int expectedEndOffset,
|
|
bool inAsync = false,
|
|
FeatureSet featureSet}) {
|
|
createParser(source,
|
|
expectedEndOffset: expectedEndOffset, featureSet: featureSet);
|
|
if (inAsync) {
|
|
_parserProxy.fastaParser.asyncState = AsyncModifier.Async;
|
|
}
|
|
Expression result = _parserProxy.parseExpression2();
|
|
assertErrors(codes: codes, errors: errors);
|
|
return result;
|
|
}
|
|
|
|
@override
|
|
List<Expression> parseExpressionList(String code) {
|
|
return (_parseExpression('[$code]') as ListLiteral)
|
|
.elements
|
|
.toList()
|
|
.cast<Expression>();
|
|
}
|
|
|
|
@override
|
|
Expression parseExpressionWithoutCascade(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
FormalParameter parseFormalParameter(String code, ParameterKind kind,
|
|
{List<ErrorCode> errorCodes: const <ErrorCode>[]}) {
|
|
String parametersCode;
|
|
if (kind == ParameterKind.REQUIRED) {
|
|
parametersCode = '($code)';
|
|
} else if (kind == ParameterKind.POSITIONAL) {
|
|
parametersCode = '([$code])';
|
|
} else if (kind == ParameterKind.NAMED) {
|
|
parametersCode = '({$code})';
|
|
} else {
|
|
fail('$kind');
|
|
}
|
|
FormalParameterList list = parseFormalParameterList(parametersCode,
|
|
inFunctionType: false, errorCodes: errorCodes);
|
|
return list.parameters.single;
|
|
}
|
|
|
|
@override
|
|
FormalParameterList parseFormalParameterList(String code,
|
|
{bool inFunctionType: false,
|
|
List<ErrorCode> errorCodes: const <ErrorCode>[],
|
|
List<ExpectedError> errors}) {
|
|
createParser(code);
|
|
FormalParameterList result =
|
|
_parserProxy.parseFormalParameterList(inFunctionType: inFunctionType);
|
|
assertErrors(codes: errors != null ? null : errorCodes, errors: errors);
|
|
return result;
|
|
}
|
|
|
|
@override
|
|
CompilationUnitMember parseFullCompilationUnitMember() {
|
|
return _parserProxy.parseTopLevelDeclaration(false);
|
|
}
|
|
|
|
@override
|
|
Directive parseFullDirective() {
|
|
return _parserProxy.parseTopLevelDeclaration(true);
|
|
}
|
|
|
|
@override
|
|
FunctionExpression parseFunctionExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
InstanceCreationExpression parseInstanceCreationExpression(
|
|
String code, analyzer.Token newToken) {
|
|
return _parseExpression('$newToken $code');
|
|
}
|
|
|
|
@override
|
|
ListLiteral parseListLiteral(
|
|
analyzer.Token token, String typeArgumentsCode, String code) {
|
|
String sc = '';
|
|
if (token != null) {
|
|
sc += token.lexeme + ' ';
|
|
}
|
|
if (typeArgumentsCode != null) {
|
|
sc += typeArgumentsCode;
|
|
}
|
|
sc += code;
|
|
return _parseExpression(sc);
|
|
}
|
|
|
|
@override
|
|
TypedLiteral parseListOrMapLiteral(analyzer.Token modifier, String code) {
|
|
String literalCode = modifier != null ? '$modifier $code' : code;
|
|
return parsePrimaryExpression(literalCode) as TypedLiteral;
|
|
}
|
|
|
|
@override
|
|
Expression parseLogicalAndExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Expression parseLogicalOrExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
SetOrMapLiteral parseMapLiteral(
|
|
analyzer.Token token, String typeArgumentsCode, String code) {
|
|
String sc = '';
|
|
if (token != null) {
|
|
sc += token.lexeme + ' ';
|
|
}
|
|
if (typeArgumentsCode != null) {
|
|
sc += typeArgumentsCode;
|
|
}
|
|
sc += code;
|
|
return parsePrimaryExpression(sc) as SetOrMapLiteral;
|
|
}
|
|
|
|
@override
|
|
MapLiteralEntry parseMapLiteralEntry(String code) {
|
|
var mapLiteral = parseMapLiteral(null, null, '{ $code }');
|
|
return mapLiteral.elements.single;
|
|
}
|
|
|
|
@override
|
|
Expression parseMultiplicativeExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
InstanceCreationExpression parseNewExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
NormalFormalParameter parseNormalFormalParameter(String code,
|
|
{bool inFunctionType: false,
|
|
List<ErrorCode> errorCodes: const <ErrorCode>[]}) {
|
|
FormalParameterList list = parseFormalParameterList('($code)',
|
|
inFunctionType: inFunctionType, errorCodes: errorCodes);
|
|
return list.parameters.single;
|
|
}
|
|
|
|
@override
|
|
Expression parsePostfixExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Identifier parsePrefixedIdentifier(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Expression parsePrimaryExpression(String code,
|
|
{int expectedEndOffset, List<ExpectedError> errors}) {
|
|
createParser(code, expectedEndOffset: expectedEndOffset);
|
|
Expression result = _parserProxy.parsePrimaryExpression();
|
|
assertErrors(codes: null, errors: errors);
|
|
return result;
|
|
}
|
|
|
|
@override
|
|
Expression parseRelationalExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
RethrowExpression parseRethrowExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
BinaryExpression parseShiftExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
SimpleIdentifier parseSimpleIdentifier(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Statement parseStatement(String source,
|
|
{int expectedEndOffset, FeatureSet featureSet, bool inAsync = false}) {
|
|
createParser(source,
|
|
expectedEndOffset: expectedEndOffset, featureSet: featureSet);
|
|
if (inAsync) {
|
|
_parserProxy.fastaParser.asyncState = AsyncModifier.Async;
|
|
}
|
|
Statement statement = _parserProxy.parseStatement2();
|
|
assertErrors(codes: NO_ERROR_COMPARISON);
|
|
return statement;
|
|
}
|
|
|
|
@override
|
|
Expression parseStringLiteral(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
SymbolLiteral parseSymbolLiteral(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Expression parseThrowExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
Expression parseThrowExpressionWithoutCascade(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
PrefixExpression parseUnaryExpression(String code) {
|
|
return _parseExpression(code);
|
|
}
|
|
|
|
@override
|
|
VariableDeclarationList parseVariableDeclarationList(String code) {
|
|
var statement = parseStatement('$code;') as VariableDeclarationStatement;
|
|
return statement.variables;
|
|
}
|
|
|
|
Expression _parseExpression(String code) {
|
|
var statement = parseStatement('$code;') as ExpressionStatement;
|
|
return statement.expression;
|
|
}
|
|
|
|
ErrorCode _toFastaGeneratedAnalyzerErrorCode(ErrorCode code) {
|
|
if (code == ParserErrorCode.ABSTRACT_ENUM ||
|
|
code == ParserErrorCode.ABSTRACT_TOP_LEVEL_FUNCTION ||
|
|
code == ParserErrorCode.ABSTRACT_TOP_LEVEL_VARIABLE ||
|
|
code == ParserErrorCode.ABSTRACT_TYPEDEF ||
|
|
code == ParserErrorCode.CONST_ENUM ||
|
|
code == ParserErrorCode.CONST_TYPEDEF ||
|
|
code == ParserErrorCode.COVARIANT_TOP_LEVEL_DECLARATION ||
|
|
code == ParserErrorCode.FINAL_CLASS ||
|
|
code == ParserErrorCode.FINAL_ENUM ||
|
|
code == ParserErrorCode.FINAL_TYPEDEF ||
|
|
code == ParserErrorCode.STATIC_TOP_LEVEL_DECLARATION)
|
|
return ParserErrorCode.EXTRANEOUS_MODIFIER;
|
|
return code;
|
|
}
|
|
|
|
List<ErrorCode> _toFastaGeneratedAnalyzerErrorCodes(
|
|
List<ErrorCode> expectedErrorCodes) =>
|
|
expectedErrorCodes.map(_toFastaGeneratedAnalyzerErrorCode).toList();
|
|
}
|
|
|
|
/**
|
|
* Tests of the fasta parser based on [FormalParameterParserTestMixin].
|
|
*/
|
|
@reflectiveTest
|
|
class FormalParameterParserTest_Fasta extends FastaParserTestCase
|
|
with FormalParameterParserTestMixin {
|
|
FormalParameter parseNNBDFormalParameter(String code, ParameterKind kind,
|
|
{List<ExpectedError> errors}) {
|
|
String parametersCode;
|
|
if (kind == ParameterKind.REQUIRED) {
|
|
parametersCode = '($code)';
|
|
} else if (kind == ParameterKind.POSITIONAL) {
|
|
parametersCode = '([$code])';
|
|
} else if (kind == ParameterKind.NAMED) {
|
|
parametersCode = '({$code})';
|
|
} else {
|
|
fail('$kind');
|
|
}
|
|
createParser(parametersCode, featureSet: nonNullable);
|
|
FormalParameterList list =
|
|
_parserProxy.parseFormalParameterList(inFunctionType: false);
|
|
assertErrors(errors: errors);
|
|
return list.parameters.single;
|
|
}
|
|
|
|
void test_parseFormalParameter_covariant_required_named() {
|
|
ParameterKind kind = ParameterKind.NAMED;
|
|
FormalParameter parameter = parseNNBDFormalParameter(
|
|
'covariant required A a : null', kind,
|
|
errors: [expectedError(ParserErrorCode.MODIFIER_OUT_OF_ORDER, 12, 8)]);
|
|
expect(parameter, isNotNull);
|
|
expect(parameter, isDefaultFormalParameter);
|
|
DefaultFormalParameter defaultParameter = parameter;
|
|
SimpleFormalParameter simpleParameter =
|
|
defaultParameter.parameter as SimpleFormalParameter;
|
|
expect(simpleParameter.covariantKeyword, isNotNull);
|
|
expect(simpleParameter.requiredKeyword, isNotNull);
|
|
expect(simpleParameter.identifier, isNotNull);
|
|
expect(simpleParameter.keyword, isNull);
|
|
expect(simpleParameter.type, isNotNull);
|
|
expect(simpleParameter.isNamed, isTrue);
|
|
expect(defaultParameter.separator, isNotNull);
|
|
expect(defaultParameter.defaultValue, isNotNull);
|
|
expect(defaultParameter.isNamed, isTrue);
|
|
}
|
|
|
|
void test_parseFormalParameter_final_required_named() {
|
|
ParameterKind kind = ParameterKind.NAMED;
|
|
FormalParameter parameter = parseNNBDFormalParameter(
|
|
'final required a : null', kind,
|
|
errors: [expectedError(ParserErrorCode.MODIFIER_OUT_OF_ORDER, 8, 8)]);
|
|
expect(parameter, isNotNull);
|
|
expect(parameter, isDefaultFormalParameter);
|
|
DefaultFormalParameter defaultParameter = parameter;
|
|
SimpleFormalParameter simpleParameter =
|
|
defaultParameter.parameter as SimpleFormalParameter;
|
|
expect(simpleParameter.covariantKeyword, isNull);
|
|
expect(simpleParameter.requiredKeyword, isNotNull);
|
|
expect(simpleParameter.identifier, isNotNull);
|
|
expect(simpleParameter.keyword, isNotNull);
|
|
expect(simpleParameter.type, isNull);
|
|
expect(simpleParameter.isNamed, isTrue);
|
|
expect(defaultParameter.separator, isNotNull);
|
|
expect(defaultParameter.defaultValue, isNotNull);
|
|
expect(defaultParameter.isNamed, isTrue);
|
|
}
|
|
|
|
void test_parseFormalParameter_required_covariant_named() {
|
|
ParameterKind kind = ParameterKind.NAMED;
|
|
FormalParameter parameter =
|
|
parseNNBDFormalParameter('required covariant A a : null', kind);
|
|
expect(parameter, isNotNull);
|
|
expect(parameter, isDefaultFormalParameter);
|
|
DefaultFormalParameter defaultParameter = parameter;
|
|
SimpleFormalParameter simpleParameter =
|
|
defaultParameter.parameter as SimpleFormalParameter;
|
|
expect(simpleParameter.covariantKeyword, isNotNull);
|
|
expect(simpleParameter.requiredKeyword, isNotNull);
|
|
expect(simpleParameter.identifier, isNotNull);
|
|
expect(simpleParameter.keyword, isNull);
|
|
expect(simpleParameter.type, isNotNull);
|
|
expect(simpleParameter.isNamed, isTrue);
|
|
expect(defaultParameter.separator, isNotNull);
|
|
expect(defaultParameter.defaultValue, isNotNull);
|
|
expect(defaultParameter.isNamed, isTrue);
|
|
}
|
|
|
|
void test_parseFormalParameter_required_final_named() {
|
|
ParameterKind kind = ParameterKind.NAMED;
|
|
FormalParameter parameter =
|
|
parseNNBDFormalParameter('required final a : null', kind);
|
|
expect(parameter, isNotNull);
|
|
expect(parameter, isDefaultFormalParameter);
|
|
DefaultFormalParameter defaultParameter = parameter;
|
|
SimpleFormalParameter simpleParameter =
|
|
defaultParameter.parameter as SimpleFormalParameter;
|
|
expect(simpleParameter.covariantKeyword, isNull);
|
|
expect(simpleParameter.requiredKeyword, isNotNull);
|
|
expect(simpleParameter.identifier, isNotNull);
|
|
expect(simpleParameter.keyword, isNotNull);
|
|
expect(simpleParameter.type, isNull);
|
|
expect(simpleParameter.isNamed, isTrue);
|
|
expect(defaultParameter.separator, isNotNull);
|
|
expect(defaultParameter.defaultValue, isNotNull);
|
|
expect(defaultParameter.isNamed, isTrue);
|
|
}
|
|
|
|
void test_parseFormalParameter_required_type_named() {
|
|
ParameterKind kind = ParameterKind.NAMED;
|
|
FormalParameter parameter =
|
|
parseNNBDFormalParameter('required A a : null', kind);
|
|
expect(parameter, isNotNull);
|
|
expect(parameter, isDefaultFormalParameter);
|
|
DefaultFormalParameter defaultParameter = parameter;
|
|
SimpleFormalParameter simpleParameter =
|
|
defaultParameter.parameter as SimpleFormalParameter;
|
|
expect(simpleParameter.covariantKeyword, isNull);
|
|
expect(simpleParameter.requiredKeyword, isNotNull);
|
|
expect(simpleParameter.identifier, isNotNull);
|
|
expect(simpleParameter.keyword, isNull);
|
|
expect(simpleParameter.type, isNotNull);
|
|
expect(simpleParameter.isNamed, isTrue);
|
|
expect(defaultParameter.separator, isNotNull);
|
|
expect(defaultParameter.defaultValue, isNotNull);
|
|
expect(defaultParameter.isNamed, isTrue);
|
|
}
|
|
|
|
void test_parseFormalParameter_required_var_named() {
|
|
ParameterKind kind = ParameterKind.NAMED;
|
|
FormalParameter parameter =
|
|
parseNNBDFormalParameter('required var a : null', kind);
|
|
expect(parameter, isNotNull);
|
|
expect(parameter, isDefaultFormalParameter);
|
|
DefaultFormalParameter defaultParameter = parameter;
|
|
SimpleFormalParameter simpleParameter =
|
|
defaultParameter.parameter as SimpleFormalParameter;
|
|
expect(simpleParameter.covariantKeyword, isNull);
|
|
expect(simpleParameter.requiredKeyword, isNotNull);
|
|
expect(simpleParameter.identifier, isNotNull);
|
|
expect(simpleParameter.keyword, isNotNull);
|
|
expect(simpleParameter.type, isNull);
|
|
expect(simpleParameter.isNamed, isTrue);
|
|
expect(defaultParameter.separator, isNotNull);
|
|
expect(defaultParameter.defaultValue, isNotNull);
|
|
expect(defaultParameter.isNamed, isTrue);
|
|
}
|
|
|
|
void test_parseFormalParameter_var_required_named() {
|
|
ParameterKind kind = ParameterKind.NAMED;
|
|
FormalParameter parameter = parseNNBDFormalParameter(
|
|
'var required a : null', kind,
|
|
errors: [expectedError(ParserErrorCode.MODIFIER_OUT_OF_ORDER, 6, 8)]);
|
|
expect(parameter, isNotNull);
|
|
expect(parameter, isDefaultFormalParameter);
|
|
DefaultFormalParameter defaultParameter = parameter;
|
|
SimpleFormalParameter simpleParameter =
|
|
defaultParameter.parameter as SimpleFormalParameter;
|
|
expect(simpleParameter.covariantKeyword, isNull);
|
|
expect(simpleParameter.requiredKeyword, isNotNull);
|
|
expect(simpleParameter.identifier, isNotNull);
|
|
expect(simpleParameter.keyword, isNotNull);
|
|
expect(simpleParameter.type, isNull);
|
|
expect(simpleParameter.isNamed, isTrue);
|
|
expect(defaultParameter.separator, isNotNull);
|
|
expect(defaultParameter.defaultValue, isNotNull);
|
|
expect(defaultParameter.isNamed, isTrue);
|
|
}
|
|
|
|
void test_parseNormalFormalParameter_function_named_nullable() {
|
|
ParameterKind kind = ParameterKind.NAMED;
|
|
var defaultParameter =
|
|
parseFormalParameter('a()? : null', kind) as DefaultFormalParameter;
|
|
var functionParameter =
|
|
defaultParameter.parameter as FunctionTypedFormalParameter;
|
|
assertNoErrors();
|
|
expect(functionParameter.returnType, isNull);
|
|
expect(functionParameter.identifier, isNotNull);
|
|
expect(functionParameter.typeParameters, isNull);
|
|
expect(functionParameter.parameters, isNotNull);
|
|
expect(functionParameter.isNamed, isTrue);
|
|
expect(functionParameter.question, isNotNull);
|
|
expect(defaultParameter.separator, isNotNull);
|
|
expect(defaultParameter.defaultValue, isNotNull);
|
|
expect(defaultParameter.isNamed, isTrue);
|
|
}
|
|
|
|
void test_parseNormalFormalParameter_function_noType_nullable() {
|
|
NormalFormalParameter parameter =
|
|
parseNNBDFormalParameter('a()?', ParameterKind.REQUIRED);
|
|
expect(parameter, isNotNull);
|
|
assertNoErrors();
|
|
expect(parameter, isFunctionTypedFormalParameter);
|
|
FunctionTypedFormalParameter functionParameter = parameter;
|
|
expect(functionParameter.returnType, isNull);
|
|
expect(functionParameter.identifier, isNotNull);
|
|
expect(functionParameter.typeParameters, isNull);
|
|
expect(functionParameter.parameters, isNotNull);
|
|
expect(functionParameter.question, isNotNull);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Tests of the fasta parser based on [ComplexParserTestMixin].
|
|
*/
|
|
@reflectiveTest
|
|
class NNBDParserTest_Fasta extends FastaParserTestCase {
|
|
@override
|
|
CompilationUnit parseCompilationUnit(String content,
|
|
{List<ErrorCode> codes,
|
|
List<ExpectedError> errors,
|
|
FeatureSet featureSet}) =>
|
|
super.parseCompilationUnit(content,
|
|
codes: codes, errors: errors, featureSet: featureSet ?? nonNullable);
|
|
|
|
void test_assignment_complex() {
|
|
parseCompilationUnit('D? foo(X? x) { X? x1; X? x2 = x + bar(7); }');
|
|
}
|
|
|
|
void test_assignment_simple() {
|
|
parseCompilationUnit('D? foo(X? x) { X? x1; X? x2 = x; }');
|
|
}
|
|
|
|
void test_binary_expression_statement() {
|
|
final unit = parseCompilationUnit('D? foo(X? x) { X ?? x2; }');
|
|
FunctionDeclaration funct = unit.declarations[0];
|
|
BlockFunctionBody body = funct.functionExpression.body;
|
|
ExpressionStatement statement = body.block.statements[0];
|
|
BinaryExpression expression = statement.expression;
|
|
SimpleIdentifier lhs = expression.leftOperand;
|
|
expect(lhs.name, 'X');
|
|
expect(expression.operator.lexeme, '??');
|
|
SimpleIdentifier rhs = expression.rightOperand;
|
|
expect(rhs.name, 'x2');
|
|
}
|
|
|
|
void test_conditional() {
|
|
parseCompilationUnit('D? foo(X? x) { X ? 7 : y; }');
|
|
}
|
|
|
|
void test_conditional_complex() {
|
|
parseCompilationUnit('D? foo(X? x) { X ? x2 = x + bar(7) : y; }');
|
|
}
|
|
|
|
void test_conditional_error() {
|
|
parseCompilationUnit('D? foo(X? x) { X ? ? x2 = x + bar(7) : y; }',
|
|
errors: [
|
|
expectedError(ParserErrorCode.MISSING_IDENTIFIER, 19, 1),
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 40, 1),
|
|
expectedError(ParserErrorCode.MISSING_IDENTIFIER, 40, 1),
|
|
]);
|
|
}
|
|
|
|
void test_conditional_simple() {
|
|
parseCompilationUnit('D? foo(X? x) { X ? x2 = x : y; }');
|
|
}
|
|
|
|
void test_enableNonNullable_false() {
|
|
parseCompilationUnit('main() { x is String? ? (x + y) : z; }',
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 20, 1)],
|
|
featureSet: preNonNullable);
|
|
}
|
|
|
|
void test_for() {
|
|
parseCompilationUnit('main() { for(int x = 0; x < 7; ++x) { } }');
|
|
}
|
|
|
|
void test_for_conditional() {
|
|
parseCompilationUnit('main() { for(x ? y = 7 : y = 8; y < 10; ++y) { } }');
|
|
}
|
|
|
|
void test_for_nullable() {
|
|
parseCompilationUnit('main() { for(int? x = 0; x < 7; ++x) { } }');
|
|
}
|
|
|
|
void test_foreach() {
|
|
parseCompilationUnit('main() { for(int x in [7]) { } }');
|
|
}
|
|
|
|
void test_foreach_nullable() {
|
|
parseCompilationUnit('main() { for(int? x in [7, null]) { } }');
|
|
}
|
|
|
|
void test_gft_nullable() {
|
|
parseCompilationUnit('main() { C? Function() x = 7; }');
|
|
}
|
|
|
|
void test_gft_nullable_1() {
|
|
parseCompilationUnit('main() { C Function()? x = 7; }');
|
|
}
|
|
|
|
void test_gft_nullable_2() {
|
|
parseCompilationUnit('main() { C? Function()? x = 7; }');
|
|
}
|
|
|
|
void test_gft_nullable_3() {
|
|
parseCompilationUnit('main() { C? Function()? Function()? x = 7; }');
|
|
}
|
|
|
|
void test_gft_nullable_prefixed() {
|
|
parseCompilationUnit('main() { C.a? Function()? x = 7; }');
|
|
}
|
|
|
|
void test_is_nullable() {
|
|
CompilationUnit unit =
|
|
parseCompilationUnit('main() { x is String? ? (x + y) : z; }');
|
|
FunctionDeclaration function = unit.declarations[0];
|
|
BlockFunctionBody body = function.functionExpression.body;
|
|
ExpressionStatement statement = body.block.statements[0];
|
|
ConditionalExpression expression = statement.expression;
|
|
|
|
IsExpression condition = expression.condition;
|
|
expect((condition.type as NamedType).question, isNotNull);
|
|
Expression thenExpression = expression.thenExpression;
|
|
expect(thenExpression, isParenthesizedExpression);
|
|
Expression elseExpression = expression.elseExpression;
|
|
expect(elseExpression, isSimpleIdentifier);
|
|
}
|
|
|
|
void test_is_nullable_parenthesis() {
|
|
CompilationUnit unit =
|
|
parseCompilationUnit('main() { (x is String?) ? (x + y) : z; }');
|
|
FunctionDeclaration function = unit.declarations[0];
|
|
BlockFunctionBody body = function.functionExpression.body;
|
|
ExpressionStatement statement = body.block.statements[0];
|
|
ConditionalExpression expression = statement.expression;
|
|
|
|
ParenthesizedExpression condition = expression.condition;
|
|
IsExpression isExpression = condition.expression;
|
|
expect((isExpression.type as NamedType).question, isNotNull);
|
|
Expression thenExpression = expression.thenExpression;
|
|
expect(thenExpression, isParenthesizedExpression);
|
|
Expression elseExpression = expression.elseExpression;
|
|
expect(elseExpression, isSimpleIdentifier);
|
|
}
|
|
|
|
void test_is_nullable_parenthesis_optOut() {
|
|
parseCompilationUnit('''
|
|
// @dart = 2.2
|
|
main() { (x is String?) ? (x + y) : z; }
|
|
''', errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 36, 1)]);
|
|
}
|
|
|
|
void test_late_as_identifier() {
|
|
parseCompilationUnit('''
|
|
class C {
|
|
int late;
|
|
}
|
|
|
|
void f(C c) {
|
|
print(c.late);
|
|
}
|
|
|
|
main() {
|
|
f(new C());
|
|
}
|
|
''', featureSet: preNonNullable);
|
|
}
|
|
|
|
void test_late_as_identifier_optOut() {
|
|
parseCompilationUnit('''
|
|
// @dart = 2.2
|
|
class C {
|
|
int late;
|
|
}
|
|
|
|
void f(C c) {
|
|
print(c.late);
|
|
}
|
|
|
|
main() {
|
|
f(new C());
|
|
}
|
|
''');
|
|
}
|
|
|
|
void test_nullCheck() {
|
|
var unit = parseCompilationUnit('f(int? y) { var x = y!; }');
|
|
FunctionDeclaration function = unit.declarations[0];
|
|
BlockFunctionBody body = function.functionExpression.body;
|
|
VariableDeclarationStatement statement = body.block.statements[0];
|
|
PostfixExpression expression = statement.variables.variables[0].initializer;
|
|
SimpleIdentifier identifier = expression.operand;
|
|
expect(identifier.name, 'y');
|
|
expect(expression.operator.lexeme, '!');
|
|
}
|
|
|
|
void test_nullCheck_disabled() {
|
|
var unit = parseCompilationUnit('f(int? y) { var x = y!; }',
|
|
errors: [
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 5, 1),
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 21, 1),
|
|
],
|
|
featureSet: preNonNullable);
|
|
FunctionDeclaration function = unit.declarations[0];
|
|
BlockFunctionBody body = function.functionExpression.body;
|
|
VariableDeclarationStatement statement = body.block.statements[0];
|
|
SimpleIdentifier identifier = statement.variables.variables[0].initializer;
|
|
expect(identifier.name, 'y');
|
|
}
|
|
|
|
void test_nullCheckAfterGetterAccess() {
|
|
parseCompilationUnit('f() { var x = g.x!.y + 7; }');
|
|
}
|
|
|
|
void test_nullCheckAfterMethodCall() {
|
|
parseCompilationUnit('f() { var x = g.m()!.y + 7; }');
|
|
}
|
|
|
|
void test_nullCheckBeforeGetterAccess() {
|
|
parseCompilationUnit('f() { var x = g!.x + 7; }');
|
|
}
|
|
|
|
void test_nullCheckBeforeMethodCall() {
|
|
parseCompilationUnit('f() { var x = g!.m() + 7; }');
|
|
}
|
|
|
|
void test_nullCheckFunctionResult() {
|
|
parseCompilationUnit('f() { var x = g()! + 7; }');
|
|
}
|
|
|
|
void test_nullCheckIndexedValue() {
|
|
parseCompilationUnit('f(int? y) { var x = y[0]! + 7; }');
|
|
}
|
|
|
|
void test_nullCheckIndexedValue2() {
|
|
parseCompilationUnit('f(int? y) { var x = super.y[0]! + 7; }');
|
|
}
|
|
|
|
void test_nullCheckInExpression() {
|
|
parseCompilationUnit('f(int? y) { var x = y! + 7; }');
|
|
}
|
|
|
|
void test_nullCheckInExpression_disabled() {
|
|
parseCompilationUnit('f(int? y) { var x = y! + 7; }',
|
|
errors: [
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 5, 1),
|
|
expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 21, 1),
|
|
],
|
|
featureSet: preNonNullable);
|
|
}
|
|
|
|
void test_nullCheckMethodResult() {
|
|
parseCompilationUnit('f() { var x = g.m()! + 7; }');
|
|
}
|
|
|
|
void test_nullCheckMethodResult2() {
|
|
parseCompilationUnit('f() { var x = g?.m()! + 7; }');
|
|
}
|
|
|
|
void test_nullCheckMethodResult3() {
|
|
parseCompilationUnit('f() { var x = super.m()! + 7; }');
|
|
}
|
|
|
|
void test_nullCheckOnConstConstructor() {
|
|
parseCompilationUnit('f() { var x = const Foo()!; }');
|
|
}
|
|
|
|
void test_nullCheckOnConstructor() {
|
|
parseCompilationUnit('f() { var x = new Foo()!; }');
|
|
}
|
|
|
|
void test_nullCheckOnLiteral_disabled() {
|
|
parseCompilationUnit('f() { var x = 0!; }',
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 15, 1)],
|
|
featureSet: preNonNullable);
|
|
}
|
|
|
|
void test_nullCheckOnLiteralDouble() {
|
|
// Issues like this should be caught during later analysis
|
|
parseCompilationUnit('f() { var x = 1.2!; }');
|
|
}
|
|
|
|
void test_nullCheckOnLiteralInt() {
|
|
// Issues like this should be caught during later analysis
|
|
parseCompilationUnit('f() { var x = 0!; }');
|
|
}
|
|
|
|
void test_nullCheckOnLiteralList() {
|
|
// Issues like this should be caught during later analysis
|
|
parseCompilationUnit('f() { var x = [1,2]!; }');
|
|
}
|
|
|
|
void test_nullCheckOnLiteralMap() {
|
|
// Issues like this should be caught during later analysis
|
|
parseCompilationUnit('f() { var x = {1:2}!; }');
|
|
}
|
|
|
|
void test_nullCheckOnLiteralSet() {
|
|
// Issues like this should be caught during later analysis
|
|
parseCompilationUnit('f() { var x = {1,2}!; }');
|
|
}
|
|
|
|
void test_nullCheckOnLiteralString() {
|
|
// Issues like this should be caught during later analysis
|
|
parseCompilationUnit('f() { var x = "seven"!; }');
|
|
}
|
|
|
|
void test_nullCheckOnNull() {
|
|
// Issues like this should be caught during later analysis
|
|
parseCompilationUnit('f() { var x = null!; }');
|
|
}
|
|
|
|
void test_nullCheckOnSymbol() {
|
|
// Issues like this should be caught during later analysis
|
|
parseCompilationUnit('f() { var x = #seven!; }');
|
|
}
|
|
|
|
void test_nullCheckOnValue() {
|
|
parseCompilationUnit('f(Point p) { var x = p.y! + 7; }');
|
|
}
|
|
|
|
void test_nullCheckOnValue_disabled() {
|
|
parseCompilationUnit('f(Point p) { var x = p.y! + 7; }',
|
|
errors: [expectedError(ParserErrorCode.EXPERIMENT_NOT_ENABLED, 24, 1)],
|
|
featureSet: preNonNullable);
|
|
}
|
|
|
|
void test_nullCheckParenthesizedExpression() {
|
|
parseCompilationUnit('f(int? y) { var x = (y)! + 7; }');
|
|
}
|
|
|
|
void test_nullCheckPropertyAccess() {
|
|
parseCompilationUnit('f() { var x = g.p! + 7; }');
|
|
}
|
|
|
|
void test_nullCheckPropertyAccess2() {
|
|
parseCompilationUnit('f() { var x = g?.p! + 7; }');
|
|
}
|
|
|
|
void test_nullCheckPropertyAccess3() {
|
|
parseCompilationUnit('f() { var x = super.p! + 7; }');
|
|
}
|
|
|
|
void test_postfix_null_assertion_and_unary_prefix_operator_precedence() {
|
|
// -x! is parsed as -(x!).
|
|
var unit = parseCompilationUnit('void main() { -x!; }');
|
|
var function = unit.declarations[0] as FunctionDeclaration;
|
|
var body = function.functionExpression.body as BlockFunctionBody;
|
|
var statement = body.block.statements[0] as ExpressionStatement;
|
|
var outerExpression = statement.expression as PrefixExpression;
|
|
expect(outerExpression.operator.type, TokenType.MINUS);
|
|
var innerExpression = outerExpression.operand as PostfixExpression;
|
|
expect(innerExpression.operator.type, TokenType.BANG);
|
|
}
|
|
|
|
void test_postfix_null_assertion_of_postfix_expression() {
|
|
// x++! is parsed as (x++)!.
|
|
var unit = parseCompilationUnit('void main() { x++!; }');
|
|
var function = unit.declarations[0] as FunctionDeclaration;
|
|
var body = function.functionExpression.body as BlockFunctionBody;
|
|
var statement = body.block.statements[0] as ExpressionStatement;
|
|
var outerExpression = statement.expression as PostfixExpression;
|
|
expect(outerExpression.operator.type, TokenType.BANG);
|
|
var innerExpression = outerExpression.operand as PostfixExpression;
|
|
expect(innerExpression.operator.type, TokenType.PLUS_PLUS);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Proxy implementation of the analyzer parser, implemented in terms of the
|
|
* Fasta parser.
|
|
*
|
|
* This allows many of the analyzer parser tests to be run on Fasta, even if
|
|
* they call into the analyzer parser class directly.
|
|
*/
|
|
class ParserProxy extends analyzer.ParserAdapter {
|
|
/**
|
|
* The error listener to which scanner and parser errors will be reported.
|
|
*/
|
|
final GatheringErrorListener _errorListener;
|
|
|
|
ForwardingTestListener _eventListener;
|
|
|
|
final int expectedEndOffset;
|
|
|
|
/**
|
|
* Creates a [ParserProxy] which is prepared to begin parsing at the given
|
|
* Fasta token.
|
|
*/
|
|
factory ParserProxy(analyzer.Token firstToken, FeatureSet featureSet,
|
|
{bool allowNativeClause: false, int expectedEndOffset}) {
|
|
TestSource source = new TestSource();
|
|
var errorListener = new GatheringErrorListener(checkRanges: true);
|
|
var errorReporter = new ErrorReporter(errorListener, source);
|
|
return new ParserProxy._(
|
|
firstToken, errorReporter, null, errorListener, featureSet,
|
|
allowNativeClause: allowNativeClause,
|
|
expectedEndOffset: expectedEndOffset);
|
|
}
|
|
|
|
ParserProxy._(analyzer.Token firstToken, ErrorReporter errorReporter,
|
|
Uri fileUri, this._errorListener, FeatureSet featureSet,
|
|
{bool allowNativeClause: false, this.expectedEndOffset})
|
|
: super(firstToken, errorReporter, fileUri,
|
|
allowNativeClause: allowNativeClause) {
|
|
configureFeatures(featureSet);
|
|
_eventListener = new ForwardingTestListener(astBuilder);
|
|
fastaParser.listener = _eventListener;
|
|
}
|
|
|
|
noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
|
|
|
|
@override
|
|
Annotation parseAnnotation() {
|
|
return _run('MetadataStar', () => super.parseAnnotation());
|
|
}
|
|
|
|
@override
|
|
ArgumentList parseArgumentList() {
|
|
return _run('unspecified', () => super.parseArgumentList());
|
|
}
|
|
|
|
@override
|
|
ClassMember parseClassMember(String className) {
|
|
return _run('ClassOrMixinBody', () => super.parseClassMember(className));
|
|
}
|
|
|
|
List<Combinator> parseCombinators() {
|
|
return _run('Import', () => super.parseCombinators());
|
|
}
|
|
|
|
@override
|
|
List<CommentReference> parseCommentReferences(
|
|
List<DocumentationCommentToken> tokens) {
|
|
for (int index = 0; index < tokens.length - 1; ++index) {
|
|
analyzer.Token next = tokens[index].next;
|
|
if (next == null) {
|
|
tokens[index].setNext(tokens[index + 1]);
|
|
} else {
|
|
expect(next, tokens[index + 1]);
|
|
}
|
|
}
|
|
expect(tokens[tokens.length - 1].next, isNull);
|
|
List<CommentReference> references =
|
|
astBuilder.parseCommentReferences(tokens.first);
|
|
if (astBuilder.stack.isNotEmpty) {
|
|
throw 'Expected empty stack, but found:'
|
|
'\n ${astBuilder.stack.values.join('\n ')}';
|
|
}
|
|
return references;
|
|
}
|
|
|
|
@override
|
|
CompilationUnit parseCompilationUnit2() {
|
|
CompilationUnit result = super.parseCompilationUnit2();
|
|
expect(currentToken.isEof, isTrue, reason: currentToken.lexeme);
|
|
expect(astBuilder.stack, hasLength(0));
|
|
_eventListener.expectEmpty();
|
|
return result;
|
|
}
|
|
|
|
@override
|
|
Configuration parseConfiguration() {
|
|
return _run('ConditionalUris', () => super.parseConfiguration());
|
|
}
|
|
|
|
@override
|
|
DottedName parseDottedName() {
|
|
return _run('unspecified', () => super.parseDottedName());
|
|
}
|
|
|
|
@override
|
|
Expression parseExpression2() {
|
|
return _run('unspecified', () => super.parseExpression2());
|
|
}
|
|
|
|
@override
|
|
FormalParameterList parseFormalParameterList({bool inFunctionType: false}) {
|
|
return _run('unspecified',
|
|
() => super.parseFormalParameterList(inFunctionType: inFunctionType));
|
|
}
|
|
|
|
@override
|
|
FunctionBody parseFunctionBody(
|
|
bool mayBeEmpty, ParserErrorCode emptyErrorCode, bool inExpression) {
|
|
Token lastToken;
|
|
FunctionBody body = _run('unspecified', () {
|
|
FunctionBody body =
|
|
super.parseFunctionBody(mayBeEmpty, emptyErrorCode, inExpression);
|
|
lastToken = currentToken;
|
|
currentToken = currentToken.next;
|
|
return body;
|
|
});
|
|
if (!inExpression) {
|
|
if (![';', '}'].contains(lastToken.lexeme)) {
|
|
fail('Expected ";" or "}", but found: ${lastToken.lexeme}');
|
|
}
|
|
}
|
|
return body;
|
|
}
|
|
|
|
@override
|
|
Expression parsePrimaryExpression() {
|
|
return _run('unspecified', () => super.parsePrimaryExpression());
|
|
}
|
|
|
|
@override
|
|
Statement parseStatement(Token token) {
|
|
return _run('unspecified', () => super.parseStatement(token));
|
|
}
|
|
|
|
@override
|
|
Statement parseStatement2() {
|
|
return _run('unspecified', () => super.parseStatement2());
|
|
}
|
|
|
|
@override
|
|
AnnotatedNode parseTopLevelDeclaration(bool isDirective) {
|
|
return _run(
|
|
'CompilationUnit', () => super.parseTopLevelDeclaration(isDirective));
|
|
}
|
|
|
|
@override
|
|
TypeAnnotation parseTypeAnnotation(bool inExpression) {
|
|
return _run('unspecified', () => super.parseTypeAnnotation(inExpression));
|
|
}
|
|
|
|
@override
|
|
TypeArgumentList parseTypeArgumentList() {
|
|
return _run('unspecified', () => super.parseTypeArgumentList());
|
|
}
|
|
|
|
@override
|
|
TypeName parseTypeName(bool inExpression) {
|
|
return _run('unspecified', () => super.parseTypeName(inExpression));
|
|
}
|
|
|
|
@override
|
|
TypeParameter parseTypeParameter() {
|
|
return _run('unspecified', () => super.parseTypeParameter());
|
|
}
|
|
|
|
@override
|
|
TypeParameterList parseTypeParameterList() {
|
|
return _run('unspecified', () => super.parseTypeParameterList());
|
|
}
|
|
|
|
/**
|
|
* Runs the specified function and returns the result.
|
|
* It checks the enclosing listener events,
|
|
* that the parse consumed all of the tokens,
|
|
* and that the result stack is empty.
|
|
*/
|
|
_run(String enclosingEvent, f()) {
|
|
_eventListener.begin(enclosingEvent);
|
|
|
|
// Simulate error handling of parseUnit by skipping error tokens
|
|
// before parsing and reporting them after parsing is complete.
|
|
Token errorToken = currentToken;
|
|
currentToken = fastaParser.skipErrorTokens(currentToken);
|
|
var result = f();
|
|
fastaParser.reportAllErrorTokens(errorToken);
|
|
|
|
_eventListener.end(enclosingEvent);
|
|
|
|
String lexeme = currentToken is ErrorToken
|
|
? currentToken.runtimeType.toString()
|
|
: currentToken.lexeme;
|
|
if (expectedEndOffset == null) {
|
|
expect(currentToken.isEof, isTrue, reason: lexeme);
|
|
} else {
|
|
expect(currentToken.offset, expectedEndOffset, reason: lexeme);
|
|
}
|
|
expect(astBuilder.stack, hasLength(0));
|
|
expect(astBuilder.directives, hasLength(0));
|
|
expect(astBuilder.declarations, hasLength(0));
|
|
return result;
|
|
}
|
|
}
|
|
|
|
@reflectiveTest
|
|
class RecoveryParserTest_Fasta extends FastaParserTestCase
|
|
with RecoveryParserTestMixin {
|
|
@override
|
|
void test_equalityExpression_precedence_relational_right() {
|
|
parseExpression("== is", codes: [
|
|
ParserErrorCode.EXPECTED_TYPE_NAME,
|
|
ParserErrorCode.MISSING_IDENTIFIER,
|
|
ParserErrorCode.MISSING_IDENTIFIER
|
|
]);
|
|
}
|
|
|
|
void test_incompleteForEach2() {
|
|
ForStatement statement =
|
|
parseStatement('for (String item i) {}', featureSet: controlFlow);
|
|
listener.assertErrors([
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 12, 4),
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 17, 1)
|
|
]);
|
|
expect(statement.toSource(), 'for (String item; i;) {}');
|
|
ForPartsWithDeclarations forLoopParts = statement.forLoopParts;
|
|
expect(forLoopParts.leftSeparator, isNotNull);
|
|
expect(forLoopParts.leftSeparator.type, TokenType.SEMICOLON);
|
|
expect(forLoopParts.rightSeparator, isNotNull);
|
|
expect(forLoopParts.rightSeparator.type, TokenType.SEMICOLON);
|
|
}
|
|
|
|
void test_invalidTypeParameters_super() {
|
|
parseCompilationUnit('class C<X super Y> {}', errors: [
|
|
// TODO(danrubel): Improve recovery.
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 8, 1),
|
|
expectedError(ParserErrorCode.MISSING_CLASS_BODY, 10, 5),
|
|
expectedError(ParserErrorCode.MISSING_CONST_FINAL_VAR_OR_TYPE, 10, 5),
|
|
expectedError(ParserErrorCode.MISSING_IDENTIFIER, 10, 5),
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 10, 5),
|
|
expectedError(ParserErrorCode.MISSING_CONST_FINAL_VAR_OR_TYPE, 16, 1),
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 16, 1),
|
|
expectedError(ParserErrorCode.EXPECTED_EXECUTABLE, 17, 1),
|
|
expectedError(ParserErrorCode.EXPECTED_EXECUTABLE, 19, 1),
|
|
]);
|
|
}
|
|
|
|
@override
|
|
void test_relationalExpression_missing_LHS_RHS() {
|
|
parseExpression("is", codes: [
|
|
ParserErrorCode.EXPECTED_TYPE_NAME,
|
|
ParserErrorCode.MISSING_IDENTIFIER
|
|
]);
|
|
}
|
|
|
|
@override
|
|
void test_relationalExpression_precedence_shift_right() {
|
|
parseExpression("<< is", codes: [
|
|
ParserErrorCode.EXPECTED_TYPE_NAME,
|
|
ParserErrorCode.MISSING_IDENTIFIER,
|
|
ParserErrorCode.MISSING_IDENTIFIER
|
|
]);
|
|
}
|
|
}
|
|
|
|
@reflectiveTest
|
|
class SimpleParserTest_Fasta extends FastaParserTestCase
|
|
with SimpleParserTestMixin {
|
|
test_parseArgument() {
|
|
Expression result = parseArgument('3');
|
|
expect(result, const TypeMatcher<IntegerLiteral>());
|
|
IntegerLiteral literal = result;
|
|
expect(literal.value, 3);
|
|
}
|
|
|
|
test_parseArgument_named() {
|
|
Expression result = parseArgument('foo: "a"');
|
|
expect(result, const TypeMatcher<NamedExpression>());
|
|
NamedExpression expression = result;
|
|
StringLiteral literal = expression.expression;
|
|
expect(literal.stringValue, 'a');
|
|
}
|
|
|
|
@failingTest
|
|
@override
|
|
void test_parseCommentReferences_skipLink_direct_multiLine() =>
|
|
super.test_parseCommentReferences_skipLink_direct_multiLine();
|
|
|
|
@failingTest
|
|
@override
|
|
void test_parseCommentReferences_skipLink_reference_multiLine() =>
|
|
super.test_parseCommentReferences_skipLink_reference_multiLine();
|
|
|
|
void test_parseVariableDeclaration_final_late() {
|
|
var statement = parseStatement('final late a;', featureSet: nonNullable)
|
|
as VariableDeclarationStatement;
|
|
var declarationList = statement.variables;
|
|
assertErrors(
|
|
errors: [expectedError(ParserErrorCode.MODIFIER_OUT_OF_ORDER, 6, 4)]);
|
|
expect(declarationList.keyword.lexeme, 'final');
|
|
expect(declarationList.type, isNull);
|
|
expect(declarationList.variables, hasLength(1));
|
|
}
|
|
|
|
void test_parseVariableDeclaration_late() {
|
|
var statement = parseStatement('late a;', featureSet: nonNullable)
|
|
as VariableDeclarationStatement;
|
|
var declarationList = statement.variables;
|
|
assertNoErrors();
|
|
expect(declarationList.keyword, isNull);
|
|
expect(declarationList.type, isNull);
|
|
expect(declarationList.variables, hasLength(1));
|
|
}
|
|
|
|
void test_parseVariableDeclaration_late_final() {
|
|
var statement = parseStatement('late final a;', featureSet: nonNullable)
|
|
as VariableDeclarationStatement;
|
|
var declarationList = statement.variables;
|
|
assertNoErrors();
|
|
expect(declarationList.keyword.lexeme, 'final');
|
|
expect(declarationList.type, isNull);
|
|
expect(declarationList.variables, hasLength(1));
|
|
}
|
|
|
|
void test_parseVariableDeclaration_late_init() {
|
|
var statement = parseStatement('late a = 0;', featureSet: nonNullable)
|
|
as VariableDeclarationStatement;
|
|
var declarationList = statement.variables;
|
|
assertNoErrors();
|
|
expect(declarationList.keyword, isNull);
|
|
expect(declarationList.type, isNull);
|
|
expect(declarationList.variables, hasLength(1));
|
|
}
|
|
|
|
void test_parseVariableDeclaration_late_type() {
|
|
var statement = parseStatement('late A a;', featureSet: nonNullable)
|
|
as VariableDeclarationStatement;
|
|
var declarationList = statement.variables;
|
|
assertNoErrors();
|
|
expect(declarationList.lateKeyword, isNotNull);
|
|
expect(declarationList.keyword, isNull);
|
|
expect(declarationList.type, isNotNull);
|
|
expect(declarationList.variables, hasLength(1));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Tests of the fasta parser based on [StatementParserTestMixin].
|
|
*/
|
|
@reflectiveTest
|
|
class StatementParserTest_Fasta extends FastaParserTestCase
|
|
with StatementParserTestMixin {
|
|
void test_35177() {
|
|
ExpressionStatement statement = parseStatement('(f)()<int>();');
|
|
|
|
FunctionExpressionInvocation funct1 = statement.expression;
|
|
NodeList<TypeAnnotation> typeArgs = funct1.typeArguments.arguments;
|
|
expect(typeArgs, hasLength(1));
|
|
TypeName typeName = typeArgs[0];
|
|
expect(typeName.name.name, 'int');
|
|
expect(funct1.argumentList.arguments, hasLength(0));
|
|
|
|
FunctionExpressionInvocation funct2 = funct1.function;
|
|
expect(funct2.typeArguments, isNull);
|
|
expect(funct2.argumentList.arguments, hasLength(0));
|
|
|
|
ParenthesizedExpression expression = funct2.function;
|
|
SimpleIdentifier identifier = expression.expression;
|
|
expect(identifier.name, 'f');
|
|
}
|
|
|
|
void test_invalid_typeArg_34850() {
|
|
var unit = parseCompilationUnit('foo Future<List<int>> bar() {}', errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 11, 4),
|
|
expectedError(ParserErrorCode.MISSING_FUNCTION_PARAMETERS, 4, 6),
|
|
expectedError(ParserErrorCode.MISSING_FUNCTION_BODY, 22, 3),
|
|
]);
|
|
// Validate that recovery has properly updated the token stream.
|
|
analyzer.Token token = unit.beginToken;
|
|
while (!token.isEof) {
|
|
expect(token.type, isNot(TokenType.GT_GT));
|
|
analyzer.Token next = token.next;
|
|
expect(next.previous, token);
|
|
token = next;
|
|
}
|
|
}
|
|
|
|
void test_parseForStatement_each_await2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'await for (element in list) {}',
|
|
inAsync: true,
|
|
featureSet: controlFlow,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.awaitKeyword, isNotNull);
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForEachPartsWithIdentifier forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.identifier, isNotNull);
|
|
expect(forLoopParts.inKeyword, isNotNull);
|
|
expect(forLoopParts.iterable, isNotNull);
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_each_finalExternal() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (final external in list) {}',
|
|
featureSet: controlFlow,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.awaitKeyword, isNull);
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForEachPartsWithDeclaration forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.loopVariable.identifier.name, 'external');
|
|
expect(forLoopParts.inKeyword, isNotNull);
|
|
expect(forLoopParts.iterable, isNotNull);
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_each_finalRequired() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (final required in list) {}',
|
|
featureSet: controlFlow,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.awaitKeyword, isNull);
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForEachPartsWithDeclaration forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.loopVariable.identifier.name, 'required');
|
|
expect(forLoopParts.inKeyword, isNotNull);
|
|
expect(forLoopParts.iterable, isNotNull);
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_each_genericFunctionType2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (void Function<T>(T) element in list) {}',
|
|
featureSet: controlFlow,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.awaitKeyword, isNull);
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForEachPartsWithDeclaration forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.loopVariable, isNotNull);
|
|
expect(forLoopParts.inKeyword, isNotNull);
|
|
expect(forLoopParts.iterable, isNotNull);
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_each_identifier2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (element in list) {}',
|
|
featureSet: controlFlow,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.awaitKeyword, isNull);
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForEachPartsWithIdentifier forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.identifier, isNotNull);
|
|
expect(forLoopParts.inKeyword, isNotNull);
|
|
expect(forLoopParts.iterable, isNotNull);
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_each_noType_metadata2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (@A var element in list) {}',
|
|
featureSet: controlFlow,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.awaitKeyword, isNull);
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForEachPartsWithDeclaration forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.loopVariable, isNotNull);
|
|
expect(forLoopParts.loopVariable.metadata, hasLength(1));
|
|
expect(forLoopParts.inKeyword, isNotNull);
|
|
expect(forLoopParts.iterable, isNotNull);
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_each_type2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (A element in list) {}',
|
|
featureSet: controlFlow,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.awaitKeyword, isNull);
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForEachPartsWithDeclaration forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.loopVariable, isNotNull);
|
|
expect(forLoopParts.inKeyword, isNotNull);
|
|
expect(forLoopParts.iterable, isNotNull);
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_each_var2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (var element in list) {}',
|
|
featureSet: controlFlow,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.awaitKeyword, isNull);
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForEachPartsWithDeclaration forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.loopVariable, isNotNull);
|
|
expect(forLoopParts.inKeyword, isNotNull);
|
|
expect(forLoopParts.iterable, isNotNull);
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_loop_c2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (; i < count;) {}',
|
|
featureSet: controlFlow,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForPartsWithExpression forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.initialization, isNull);
|
|
expect(forLoopParts.leftSeparator, isNotNull);
|
|
expect(forLoopParts.condition, isNotNull);
|
|
expect(forLoopParts.rightSeparator, isNotNull);
|
|
expect(forLoopParts.updaters, hasLength(0));
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_loop_cu2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (; i < count; i++) {}',
|
|
featureSet: controlFlow,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForPartsWithExpression forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.initialization, isNull);
|
|
expect(forLoopParts.leftSeparator, isNotNull);
|
|
expect(forLoopParts.condition, isNotNull);
|
|
expect(forLoopParts.rightSeparator, isNotNull);
|
|
expect(forLoopParts.updaters, hasLength(1));
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_loop_ecu2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (i--; i < count; i++) {}',
|
|
featureSet: spread,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForPartsWithExpression forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.initialization, isNotNull);
|
|
expect(forLoopParts.leftSeparator, isNotNull);
|
|
expect(forLoopParts.condition, isNotNull);
|
|
expect(forLoopParts.rightSeparator, isNotNull);
|
|
expect(forLoopParts.updaters, hasLength(1));
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_loop_i2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (var i = 0;;) {}',
|
|
featureSet: spread,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForPartsWithDeclarations forLoopParts = forStatement.forLoopParts;
|
|
VariableDeclarationList variables = forLoopParts.variables;
|
|
expect(variables, isNotNull);
|
|
expect(variables.metadata, hasLength(0));
|
|
expect(variables.variables, hasLength(1));
|
|
expect(forLoopParts.leftSeparator, isNotNull);
|
|
expect(forLoopParts.condition, isNull);
|
|
expect(forLoopParts.rightSeparator, isNotNull);
|
|
expect(forLoopParts.updaters, hasLength(0));
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_loop_i_withMetadata2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (@A var i = 0;;) {}',
|
|
featureSet: spread,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForPartsWithDeclarations forLoopParts = forStatement.forLoopParts;
|
|
VariableDeclarationList variables = forLoopParts.variables;
|
|
expect(variables, isNotNull);
|
|
expect(variables.metadata, hasLength(1));
|
|
expect(variables.variables, hasLength(1));
|
|
expect(forLoopParts.leftSeparator, isNotNull);
|
|
expect(forLoopParts.condition, isNull);
|
|
expect(forLoopParts.rightSeparator, isNotNull);
|
|
expect(forLoopParts.updaters, hasLength(0));
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_loop_ic2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (var i = 0; i < count;) {}',
|
|
featureSet: spread,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForPartsWithDeclarations forLoopParts = forStatement.forLoopParts;
|
|
VariableDeclarationList variables = forLoopParts.variables;
|
|
expect(variables, isNotNull);
|
|
expect(variables.variables, hasLength(1));
|
|
expect(forLoopParts.leftSeparator, isNotNull);
|
|
expect(forLoopParts.condition, isNotNull);
|
|
expect(forLoopParts.rightSeparator, isNotNull);
|
|
expect(forLoopParts.updaters, hasLength(0));
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_loop_icu2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (var i = 0; i < count; i++) {}',
|
|
featureSet: spread,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForPartsWithDeclarations forLoopParts = forStatement.forLoopParts;
|
|
VariableDeclarationList variables = forLoopParts.variables;
|
|
expect(variables, isNotNull);
|
|
expect(variables.variables, hasLength(1));
|
|
expect(forLoopParts.leftSeparator, isNotNull);
|
|
expect(forLoopParts.condition, isNotNull);
|
|
expect(forLoopParts.rightSeparator, isNotNull);
|
|
expect(forLoopParts.updaters, hasLength(1));
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_loop_iicuu2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (int i = 0, j = count; i < j; i++, j--) {}',
|
|
featureSet: spread,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForPartsWithDeclarations forLoopParts = forStatement.forLoopParts;
|
|
VariableDeclarationList variables = forLoopParts.variables;
|
|
expect(variables, isNotNull);
|
|
expect(variables.variables, hasLength(2));
|
|
expect(forLoopParts.leftSeparator, isNotNull);
|
|
expect(forLoopParts.condition, isNotNull);
|
|
expect(forLoopParts.rightSeparator, isNotNull);
|
|
expect(forLoopParts.updaters, hasLength(2));
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_loop_iu2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (var i = 0;; i++) {}',
|
|
featureSet: spread,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForPartsWithDeclarations forLoopParts = forStatement.forLoopParts;
|
|
VariableDeclarationList variables = forLoopParts.variables;
|
|
expect(variables, isNotNull);
|
|
expect(variables.variables, hasLength(1));
|
|
expect(forLoopParts.leftSeparator, isNotNull);
|
|
expect(forLoopParts.condition, isNull);
|
|
expect(forLoopParts.rightSeparator, isNotNull);
|
|
expect(forLoopParts.updaters, hasLength(1));
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_parseForStatement_loop_u2() {
|
|
ForStatement forStatement = parseStatement(
|
|
'for (;; i++) {}',
|
|
featureSet: spread,
|
|
);
|
|
assertNoErrors();
|
|
expect(forStatement.forKeyword, isNotNull);
|
|
expect(forStatement.leftParenthesis, isNotNull);
|
|
ForPartsWithExpression forLoopParts = forStatement.forLoopParts;
|
|
expect(forLoopParts.initialization, isNull);
|
|
expect(forLoopParts.leftSeparator, isNotNull);
|
|
expect(forLoopParts.condition, isNull);
|
|
expect(forLoopParts.rightSeparator, isNotNull);
|
|
expect(forLoopParts.updaters, hasLength(1));
|
|
expect(forStatement.rightParenthesis, isNotNull);
|
|
expect(forStatement.body, isNotNull);
|
|
}
|
|
|
|
void test_partial_typeArg1_34850() {
|
|
var unit = parseCompilationUnit('<bar<', errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_EXECUTABLE, 0, 1),
|
|
expectedError(ParserErrorCode.MISSING_IDENTIFIER, 5, 0),
|
|
expectedError(ParserErrorCode.MISSING_FUNCTION_PARAMETERS, 1, 3),
|
|
expectedError(ParserErrorCode.MISSING_FUNCTION_BODY, 5, 0),
|
|
]);
|
|
// Validate that recovery has properly updated the token stream.
|
|
analyzer.Token token = unit.beginToken;
|
|
while (!token.isEof) {
|
|
expect(token.type, isNot(TokenType.GT_GT));
|
|
analyzer.Token next = token.next;
|
|
expect(next.previous, token);
|
|
token = next;
|
|
}
|
|
}
|
|
|
|
void test_partial_typeArg2_34850() {
|
|
var unit = parseCompilationUnit('foo <bar<', errors: [
|
|
expectedError(ParserErrorCode.EXPECTED_TOKEN, 5, 3),
|
|
expectedError(ParserErrorCode.MISSING_FUNCTION_PARAMETERS, 0, 3),
|
|
expectedError(ParserErrorCode.MISSING_FUNCTION_BODY, 9, 0),
|
|
]);
|
|
// Validate that recovery has properly updated the token stream.
|
|
analyzer.Token token = unit.beginToken;
|
|
while (!token.isEof) {
|
|
expect(token.type, isNot(TokenType.GT_GT));
|
|
analyzer.Token next = token.next;
|
|
expect(next.previous, token);
|
|
token = next;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Tests of the fasta parser based on [TopLevelParserTestMixin].
|
|
*/
|
|
@reflectiveTest
|
|
class TopLevelParserTest_Fasta extends FastaParserTestCase
|
|
with TopLevelParserTestMixin {
|
|
void test_parseClassDeclaration_native_allowed() {
|
|
allowNativeClause = true;
|
|
test_parseClassDeclaration_native();
|
|
}
|
|
|
|
void test_parseClassDeclaration_native_allowedWithFields() {
|
|
allowNativeClause = true;
|
|
createParser(r'''
|
|
class A native 'something' {
|
|
final int x;
|
|
A() {}
|
|
}
|
|
''');
|
|
CompilationUnitMember member = parseFullCompilationUnitMember();
|
|
expect(member, isNotNull);
|
|
assertNoErrors();
|
|
}
|
|
|
|
void test_parseClassDeclaration_native_missing_literal() {
|
|
createParser('class A native {}');
|
|
CompilationUnitMember member = parseFullCompilationUnitMember();
|
|
expect(member, isNotNull);
|
|
if (allowNativeClause) {
|
|
assertNoErrors();
|
|
} else {
|
|
assertErrorsWithCodes([
|
|
ParserErrorCode.NATIVE_CLAUSE_SHOULD_BE_ANNOTATION,
|
|
]);
|
|
}
|
|
expect(member, new TypeMatcher<ClassDeclaration>());
|
|
ClassDeclaration declaration = member;
|
|
expect(declaration.nativeClause, isNotNull);
|
|
expect(declaration.nativeClause.nativeKeyword, isNotNull);
|
|
expect(declaration.nativeClause.name, isNull);
|
|
expect(declaration.endToken.type, TokenType.CLOSE_CURLY_BRACKET);
|
|
}
|
|
|
|
void test_parseClassDeclaration_native_missing_literal_allowed() {
|
|
allowNativeClause = true;
|
|
test_parseClassDeclaration_native_missing_literal();
|
|
}
|
|
|
|
void test_parseClassDeclaration_native_missing_literal_not_allowed() {
|
|
allowNativeClause = false;
|
|
test_parseClassDeclaration_native_missing_literal();
|
|
}
|
|
|
|
void test_parseClassDeclaration_native_not_allowed() {
|
|
allowNativeClause = false;
|
|
test_parseClassDeclaration_native();
|
|
}
|
|
|
|
void test_parseMixinDeclaration_empty() {
|
|
createParser('mixin A {}');
|
|
MixinDeclaration declaration = parseFullCompilationUnitMember();
|
|
expect(declaration, isNotNull);
|
|
assertNoErrors();
|
|
expect(declaration.metadata, isEmpty);
|
|
expect(declaration.documentationComment, isNull);
|
|
expect(declaration.onClause, isNull);
|
|
expect(declaration.implementsClause, isNull);
|
|
expect(declaration.mixinKeyword, isNotNull);
|
|
expect(declaration.leftBracket, isNotNull);
|
|
expect(declaration.name.name, 'A');
|
|
expect(declaration.members, hasLength(0));
|
|
expect(declaration.rightBracket, isNotNull);
|
|
expect(declaration.typeParameters, isNull);
|
|
}
|
|
|
|
void test_parseMixinDeclaration_implements() {
|
|
createParser('mixin A implements B {}');
|
|
MixinDeclaration declaration = parseFullCompilationUnitMember();
|
|
expect(declaration, isNotNull);
|
|
assertNoErrors();
|
|
expect(declaration.metadata, isEmpty);
|
|
expect(declaration.documentationComment, isNull);
|
|
expect(declaration.onClause, isNull);
|
|
ImplementsClause implementsClause = declaration.implementsClause;
|
|
expect(implementsClause.implementsKeyword, isNotNull);
|
|
NodeList<TypeName> interfaces = implementsClause.interfaces;
|
|
expect(interfaces, hasLength(1));
|
|
expect(interfaces[0].name.name, 'B');
|
|
expect(interfaces[0].typeArguments, isNull);
|
|
expect(declaration.mixinKeyword, isNotNull);
|
|
expect(declaration.leftBracket, isNotNull);
|
|
expect(declaration.name.name, 'A');
|
|
expect(declaration.members, hasLength(0));
|
|
expect(declaration.rightBracket, isNotNull);
|
|
expect(declaration.typeParameters, isNull);
|
|
}
|
|
|
|
void test_parseMixinDeclaration_implements2() {
|
|
createParser('mixin A implements B<T>, C {}');
|
|
MixinDeclaration declaration = parseFullCompilationUnitMember();
|
|
expect(declaration, isNotNull);
|
|
assertNoErrors();
|
|
expect(declaration.metadata, isEmpty);
|
|
expect(declaration.documentationComment, isNull);
|
|
expect(declaration.onClause, isNull);
|
|
ImplementsClause implementsClause = declaration.implementsClause;
|
|
expect(implementsClause.implementsKeyword, isNotNull);
|
|
NodeList<TypeName> interfaces = implementsClause.interfaces;
|
|
expect(interfaces, hasLength(2));
|
|
expect(interfaces[0].name.name, 'B');
|
|
expect(interfaces[0].typeArguments.arguments, hasLength(1));
|
|
expect(interfaces[1].name.name, 'C');
|
|
expect(interfaces[1].typeArguments, isNull);
|
|
expect(declaration.mixinKeyword, isNotNull);
|
|
expect(declaration.leftBracket, isNotNull);
|
|
expect(declaration.name.name, 'A');
|
|
expect(declaration.members, hasLength(0));
|
|
expect(declaration.rightBracket, isNotNull);
|
|
expect(declaration.typeParameters, isNull);
|
|
}
|
|
|
|
void test_parseMixinDeclaration_metadata() {
|
|
createParser('@Z mixin A {}');
|
|
MixinDeclaration declaration = parseFullCompilationUnitMember();
|
|
expect(declaration, isNotNull);
|
|
assertNoErrors();
|
|
NodeList<Annotation> metadata = declaration.metadata;
|
|
expect(metadata, hasLength(1));
|
|
expect(metadata[0].name.name, 'Z');
|
|
expect(declaration.documentationComment, isNull);
|
|
expect(declaration.onClause, isNull);
|
|
expect(declaration.implementsClause, isNull);
|
|
expect(declaration.mixinKeyword, isNotNull);
|
|
expect(declaration.leftBracket, isNotNull);
|
|
expect(declaration.name.name, 'A');
|
|
expect(declaration.members, hasLength(0));
|
|
expect(declaration.rightBracket, isNotNull);
|
|
expect(declaration.typeParameters, isNull);
|
|
}
|
|
|
|
void test_parseMixinDeclaration_on() {
|
|
createParser('mixin A on B {}');
|
|
MixinDeclaration declaration = parseFullCompilationUnitMember();
|
|
expect(declaration, isNotNull);
|
|
assertNoErrors();
|
|
expect(declaration.metadata, isEmpty);
|
|
expect(declaration.documentationComment, isNull);
|
|
OnClause onClause = declaration.onClause;
|
|
expect(onClause.onKeyword, isNotNull);
|
|
NodeList<TypeName> constraints = onClause.superclassConstraints;
|
|
expect(constraints, hasLength(1));
|
|
expect(constraints[0].name.name, 'B');
|
|
expect(constraints[0].typeArguments, isNull);
|
|
expect(declaration.implementsClause, isNull);
|
|
expect(declaration.mixinKeyword, isNotNull);
|
|
expect(declaration.leftBracket, isNotNull);
|
|
expect(declaration.name.name, 'A');
|
|
expect(declaration.members, hasLength(0));
|
|
expect(declaration.rightBracket, isNotNull);
|
|
expect(declaration.typeParameters, isNull);
|
|
}
|
|
|
|
void test_parseMixinDeclaration_on2() {
|
|
createParser('mixin A on B, C<T> {}');
|
|
MixinDeclaration declaration = parseFullCompilationUnitMember();
|
|
expect(declaration, isNotNull);
|
|
assertNoErrors();
|
|
expect(declaration.metadata, isEmpty);
|
|
expect(declaration.documentationComment, isNull);
|
|
OnClause onClause = declaration.onClause;
|
|
expect(onClause.onKeyword, isNotNull);
|
|
NodeList<TypeName> constraints = onClause.superclassConstraints;
|
|
expect(constraints, hasLength(2));
|
|
expect(constraints[0].name.name, 'B');
|
|
expect(constraints[0].typeArguments, isNull);
|
|
expect(constraints[1].name.name, 'C');
|
|
expect(constraints[1].typeArguments.arguments, hasLength(1));
|
|
expect(declaration.implementsClause, isNull);
|
|
expect(declaration.mixinKeyword, isNotNull);
|
|
expect(declaration.leftBracket, isNotNull);
|
|
expect(declaration.name.name, 'A');
|
|
expect(declaration.members, hasLength(0));
|
|
expect(declaration.rightBracket, isNotNull);
|
|
expect(declaration.typeParameters, isNull);
|
|
}
|
|
|
|
void test_parseMixinDeclaration_onAndImplements() {
|
|
createParser('mixin A on B implements C {}');
|
|
MixinDeclaration declaration = parseFullCompilationUnitMember();
|
|
expect(declaration, isNotNull);
|
|
assertNoErrors();
|
|
expect(declaration.metadata, isEmpty);
|
|
expect(declaration.documentationComment, isNull);
|
|
OnClause onClause = declaration.onClause;
|
|
expect(onClause.onKeyword, isNotNull);
|
|
NodeList<TypeName> constraints = onClause.superclassConstraints;
|
|
expect(constraints, hasLength(1));
|
|
expect(constraints[0].name.name, 'B');
|
|
expect(constraints[0].typeArguments, isNull);
|
|
ImplementsClause implementsClause = declaration.implementsClause;
|
|
expect(implementsClause.implementsKeyword, isNotNull);
|
|
NodeList<TypeName> interfaces = implementsClause.interfaces;
|
|
expect(interfaces, hasLength(1));
|
|
expect(interfaces[0].name.name, 'C');
|
|
expect(interfaces[0].typeArguments, isNull);
|
|
expect(declaration.mixinKeyword, isNotNull);
|
|
expect(declaration.leftBracket, isNotNull);
|
|
expect(declaration.name.name, 'A');
|
|
expect(declaration.members, hasLength(0));
|
|
expect(declaration.rightBracket, isNotNull);
|
|
expect(declaration.typeParameters, isNull);
|
|
}
|
|
|
|
void test_parseMixinDeclaration_simple() {
|
|
createParser('''
|
|
mixin A {
|
|
int f;
|
|
int get g => f;
|
|
set s(int v) {f = v;}
|
|
int add(int v) => f = f + v;
|
|
}''');
|
|
MixinDeclaration declaration = parseFullCompilationUnitMember();
|
|
expect(declaration, isNotNull);
|
|
assertNoErrors();
|
|
expect(declaration.metadata, isEmpty);
|
|
expect(declaration.documentationComment, isNull);
|
|
expect(declaration.onClause, isNull);
|
|
expect(declaration.implementsClause, isNull);
|
|
expect(declaration.mixinKeyword, isNotNull);
|
|
expect(declaration.leftBracket, isNotNull);
|
|
expect(declaration.name.name, 'A');
|
|
expect(declaration.members, hasLength(4));
|
|
expect(declaration.rightBracket, isNotNull);
|
|
expect(declaration.typeParameters, isNull);
|
|
}
|
|
|
|
void test_parseMixinDeclaration_withDocumentationComment() {
|
|
createParser('/// Doc\nmixin M {}');
|
|
MixinDeclaration declaration = parseFullCompilationUnitMember();
|
|
expectCommentText(declaration.documentationComment, '/// Doc');
|
|
}
|
|
|
|
void test_parseTopLevelVariable_final_late() {
|
|
var unit = parseCompilationUnit('final late a;',
|
|
featureSet: nonNullable,
|
|
errors: [expectedError(ParserErrorCode.MODIFIER_OUT_OF_ORDER, 6, 4)]);
|
|
var declaration = unit.declarations[0] as TopLevelVariableDeclaration;
|
|
var declarationList = declaration.variables;
|
|
expect(declarationList.keyword.lexeme, 'final');
|
|
expect(declarationList.type, isNull);
|
|
expect(declarationList.variables, hasLength(1));
|
|
}
|
|
|
|
void test_parseTopLevelVariable_late() {
|
|
var unit = parseCompilationUnit('late a;', featureSet: nonNullable);
|
|
var declaration = unit.declarations[0] as TopLevelVariableDeclaration;
|
|
var declarationList = declaration.variables;
|
|
expect(declarationList.keyword, isNull);
|
|
expect(declarationList.type, isNull);
|
|
expect(declarationList.variables, hasLength(1));
|
|
}
|
|
|
|
void test_parseTopLevelVariable_late_final() {
|
|
var unit = parseCompilationUnit('late final a;', featureSet: nonNullable);
|
|
var declaration = unit.declarations[0] as TopLevelVariableDeclaration;
|
|
var declarationList = declaration.variables;
|
|
expect(declarationList.keyword.lexeme, 'final');
|
|
expect(declarationList.type, isNull);
|
|
expect(declarationList.variables, hasLength(1));
|
|
}
|
|
|
|
void test_parseTopLevelVariable_late_init() {
|
|
var unit = parseCompilationUnit('late a = 0;', featureSet: nonNullable);
|
|
var declaration = unit.declarations[0] as TopLevelVariableDeclaration;
|
|
var declarationList = declaration.variables;
|
|
expect(declarationList.keyword, isNull);
|
|
expect(declarationList.type, isNull);
|
|
expect(declarationList.variables, hasLength(1));
|
|
}
|
|
|
|
void test_parseTopLevelVariable_late_type() {
|
|
var unit = parseCompilationUnit('late A a;', featureSet: nonNullable);
|
|
var declaration = unit.declarations[0] as TopLevelVariableDeclaration;
|
|
var declarationList = declaration.variables;
|
|
expect(declarationList.lateKeyword, isNotNull);
|
|
expect(declarationList.keyword, isNull);
|
|
expect(declarationList.type, isNotNull);
|
|
expect(declarationList.variables, hasLength(1));
|
|
}
|
|
}
|