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Side by Side Diff: pkg/analyzer/lib/src/dart/scanner/scanner.dart

Issue 2370813003: Move error codes and clean-up (Closed)
Patch Set: Created 4 years, 2 months ago
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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 library analyzer.src.dart.scanner.scanner; 5 library analyzer.src.dart.scanner.scanner;
6 6
7 import 'package:analyzer/dart/ast/token.dart'; 7 import 'package:analyzer/dart/ast/token.dart';
8 import 'package:analyzer/error/error.dart'; 8 import 'package:analyzer/error/error.dart';
9 import 'package:analyzer/error/listener.dart'; 9 import 'package:analyzer/error/listener.dart';
10 import 'package:analyzer/src/dart/ast/token.dart'; 10 import 'package:analyzer/src/dart/ast/token.dart';
11 import 'package:analyzer/src/dart/error/syntactic_errors.dart';
11 import 'package:analyzer/src/dart/scanner/reader.dart'; 12 import 'package:analyzer/src/dart/scanner/reader.dart';
12 import 'package:analyzer/src/generated/java_engine.dart'; 13 import 'package:analyzer/src/generated/java_engine.dart';
13 import 'package:analyzer/src/generated/source.dart'; 14 import 'package:analyzer/src/generated/source.dart';
14 import 'package:charcode/ascii.dart'; 15 import 'package:charcode/ascii.dart';
15 16
17 export 'package:analyzer/src/dart/error/syntactic_errors.dart';
18
16 /** 19 /**
17 * A state in a state machine used to scan keywords. 20 * A state in a state machine used to scan keywords.
18 */ 21 */
19 class KeywordState { 22 class KeywordState {
20 /** 23 /**
21 * An empty transition table used by leaf states. 24 * An empty transition table used by leaf states.
22 */ 25 */
23 static List<KeywordState> _EMPTY_TABLE = new List<KeywordState>(26); 26 static List<KeywordState> _EMPTY_TABLE = new List<KeywordState>(26);
24 27
25 /** 28 /**
(...skipping 1317 matching lines...) Expand 10 before | Expand all | Expand 10 after
1343 } 1346 }
1344 1347
1345 /** 1348 /**
1346 * Checks if [value] is a single-line or multi-line comment. 1349 * Checks if [value] is a single-line or multi-line comment.
1347 */ 1350 */
1348 static bool _isDocumentationComment(String value) { 1351 static bool _isDocumentationComment(String value) {
1349 return StringUtilities.startsWith3(value, 0, $slash, $slash, $slash) || 1352 return StringUtilities.startsWith3(value, 0, $slash, $slash, $slash) ||
1350 StringUtilities.startsWith3(value, 0, $slash, $asterisk, $asterisk); 1353 StringUtilities.startsWith3(value, 0, $slash, $asterisk, $asterisk);
1351 } 1354 }
1352 } 1355 }
1353
1354 /**
1355 * The error codes used for errors detected by the scanner.
1356 */
1357 class ScannerErrorCode extends ErrorCode {
1358 static const ScannerErrorCode ILLEGAL_CHARACTER =
1359 const ScannerErrorCode('ILLEGAL_CHARACTER', "Illegal character {0}");
1360
1361 static const ScannerErrorCode MISSING_DIGIT =
1362 const ScannerErrorCode('MISSING_DIGIT', "Decimal digit expected");
1363
1364 static const ScannerErrorCode MISSING_HEX_DIGIT =
1365 const ScannerErrorCode('MISSING_HEX_DIGIT', "Hexidecimal digit expected");
1366
1367 static const ScannerErrorCode MISSING_QUOTE =
1368 const ScannerErrorCode('MISSING_QUOTE', "Expected quote (' or \")");
1369
1370 static const ScannerErrorCode UNABLE_GET_CONTENT = const ScannerErrorCode(
1371 'UNABLE_GET_CONTENT', "Unable to get content: {0}");
1372
1373 static const ScannerErrorCode UNTERMINATED_MULTI_LINE_COMMENT =
1374 const ScannerErrorCode(
1375 'UNTERMINATED_MULTI_LINE_COMMENT', "Unterminated multi-line comment");
1376
1377 static const ScannerErrorCode UNTERMINATED_STRING_LITERAL =
1378 const ScannerErrorCode(
1379 'UNTERMINATED_STRING_LITERAL', "Unterminated string literal");
1380
1381 /**
1382 * Initialize a newly created error code to have the given [name]. The message
1383 * associated with the error will be created from the given [message]
1384 * template. The correction associated with the error will be created from the
1385 * given [correction] template.
1386 */
1387 const ScannerErrorCode(String name, String message, [String correction])
1388 : super(name, message, correction);
1389
1390 @override
1391 ErrorSeverity get errorSeverity => ErrorSeverity.ERROR;
1392
1393 @override
1394 ErrorType get type => ErrorType.SYNTACTIC_ERROR;
1395 }
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