Dmitry Stefantsov
145d4585e7
The flags on the fields are serialized as lists of flag names, allowing for any combination of the flags in any order. Similar technique is used in this CL to serialize the flags on Procedures and VariableDeclarations. This is in the contrast with the previous approach for those nodes, when the flags were the part of the serialized name of the node (such as "static-method" for static Procedures or "final" for final VariableDeclarations). Change-Id: I02eb5ac92f6273542f08f269aee8e6519d3085e9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/153766 Commit-Queue: Dmitry Stefantsov <dmitryas@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com>
111 lines
4.2 KiB
Dart
111 lines
4.2 KiB
Dart
// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library kernel.text_serializer_test;
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import 'package:kernel/ast.dart';
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import 'package:kernel/text/serializer_combinators.dart';
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import 'package:kernel/text/text_reader.dart';
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import 'package:kernel/text/text_serializer.dart';
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void main() {
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initializeSerializers();
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TestRunner testRunner = new TestRunner();
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testRunner.run();
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if (testRunner.failures.isNotEmpty) {
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print('Round trip failures:');
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testRunner.failures.forEach(print);
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throw StateError('Round trip failures');
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}
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}
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// Wrappers for testing.
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Expression readExpression(String input) {
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TextIterator stream = new TextIterator(input, 0);
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stream.moveNext();
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Expression result = expressionSerializer.readFrom(
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stream, new DeserializationState(null, new CanonicalName.root()));
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if (stream.moveNext()) {
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throw StateError("extra cruft in basic literal");
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}
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return result;
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}
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String writeExpression(Expression expression) {
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StringBuffer buffer = new StringBuffer();
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expressionSerializer.writeTo(
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buffer, expression, new SerializationState(null));
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return buffer.toString();
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}
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class TestRunner {
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final List<String> failures = [];
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void run() {
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test('(get-prop (int 0) (public "hashCode"))');
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test('(get-super (public "hashCode"))');
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test('(invoke-method (int 0) (public "foo") () ((int 1) (int 2)) ())');
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test('(invoke-method (int 0) (public "foo") ((dynamic) (void)) '
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'((int 1) (int 2)) ("others" (list (dynamic) ((int 3) (int 4)))))');
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test('(let "x^0" () (dynamic) (int 0) () (null))');
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test('(let "x^0" () (dynamic) _ () (null))');
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test('(let "x^0" ((const)) (dynamic) (int 0) () (null))');
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test('(let "x^0" ((const)) (dynamic) _ () (null))');
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test('(let "x^0" ((final)) (dynamic) (int 0) () (null))');
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test('(let "x^0" ((final)) (dynamic) _ () (null))');
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test(r'''(string "Hello, 'string'!")''');
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test(r'''(string "Hello, \"string\"!")''');
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test(r'''(string "Yeah nah yeah, here is\nthis really long string haiku\n'''
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r'''blowing in the wind\n")''');
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test('(int 42)');
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test('(int 0)');
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test('(int -1001)');
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test('(double 3.14159)');
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test('(bool true)');
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test('(bool false)');
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test('(null)');
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test(r'''(invalid "You can't touch this")''');
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test('(not (bool true))');
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test('(&& (bool true) (bool false))');
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test('(|| (&& (bool true) (not (bool true))) (bool true))');
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test('(concat ((string "The opposite of ") (int 3) '
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'(string " is ") (int 7)))');
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test('(symbol "unquote-splicing")');
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test('(this)');
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test('(rethrow)');
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test('(throw (string "error"))');
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test('(await (null))');
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test('(cond (bool true) (dynamic) (int 0) (int 1))');
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test('(is (bool true) (invalid))');
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test('(as (bool true) (void))');
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test('(type (bottom))');
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test('(list (dynamic) ((null) (null) (null)))');
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test('(const-list (dynamic) ((int 0) (int 1) (int 2)))');
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test('(set (dynamic) ((bool true) (bool false) (int 0)))');
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test('(const-set (dynamic) ((int 0) (int 1) (int 2)))');
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test(
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'(map (dynamic) (void) ((int 0) (null) (int 1) (null) (int 2) (null)))');
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test('(const-map (dynamic) (void) ((int 0) (null) (int 1) (null) '
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'(int 2) (null)))');
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test('(type (-> () () () ((dynamic)) () () (dynamic)))');
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test('(type (-> () () () () ((dynamic)) () (dynamic)))');
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test('(type (-> () () () ((dynamic) (dynamic)) () () (dynamic)))');
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test('(type (-> () () () () () () (dynamic)))');
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test('(type (-> () () () ((-> () () () ((dynamic)) () () (dynamic))) () () '
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'(dynamic)))');
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test('(type (-> ("T^0") ((dynamic)) ((dynamic)) () () () (dynamic)))');
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test('(type (-> ("T^0") ((dynamic)) ((dynamic)) ((par "T^0" _)) () () '
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'(par "T^0" _)))');
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test('(type (-> ("T^0" "S^1") ((par "S^1" _) (par "T^0" _)) ((dynamic) '
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'(dynamic)) () () () (dynamic)))');
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}
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void test(String input) {
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var kernelAst = readExpression(input);
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var output = writeExpression(kernelAst);
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if (output != input) {
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failures.add('* input "${input}" gave output "${output}"');
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}
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}
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}
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