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Side by Side Diff: pkg/front_end/lib/src/fasta/parser/parser.dart

Issue 2976543002: Reapply "Tweak public APIs and use them in patch_sdk, dart2js, and kernel-service."" (Closed)
Patch Set: fix Created 3 years, 5 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, 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 fasta.parser.parser; 5 library fasta.parser.parser;
6 6
7 import '../fasta_codes.dart' show FastaCode, FastaMessage; 7 import '../fasta_codes.dart' show FastaCode, FastaMessage;
8 8
9 import '../fasta_codes.dart' as fasta; 9 import '../fasta_codes.dart' as fasta;
10 10
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273 /// that couldn't be implemented in the Dart language and needed to be 273 /// that couldn't be implemented in the Dart language and needed to be
274 /// implemented in JavaScript or C++, respectively. An example of the syntax 274 /// implemented in JavaScript or C++, respectively. An example of the syntax
275 /// extension used by the Dart VM is: 275 /// extension used by the Dart VM is:
276 /// 276 ///
277 /// nativeFunction() native "NativeFunction"; 277 /// nativeFunction() native "NativeFunction";
278 /// 278 ///
279 /// When attempting to parse this function, the parser eventually calls 279 /// When attempting to parse this function, the parser eventually calls
280 /// [parseFunctionBody]. This method will report an unrecoverable error to the 280 /// [parseFunctionBody]. This method will report an unrecoverable error to the
281 /// listener with the code [fasta.codeExpectedFunctionBody]. The listener can 281 /// listener with the code [fasta.codeExpectedFunctionBody]. The listener can
282 /// then look at the error code and the token and use the methods in 282 /// then look at the error code and the token and use the methods in
283 /// [dart_vm_native.dart](dart_vm_native.dart) to parse the native syntax. 283 /// [native_support.dart](native_support.dart) to parse the native syntax.
284 /// 284 ///
285 /// #### Implementation of Diet Parsing 285 /// #### Implementation of Diet Parsing
286 /// 286 ///
287 /// We call it _diet_ _parsing_ when the parser skips parts of a file. Both 287 /// We call it _diet_ _parsing_ when the parser skips parts of a file. Both
288 /// dart2js and the Dart VM have been relying on this from early on as it allows 288 /// dart2js and the Dart VM have been relying on this from early on as it allows
289 /// them to more quickly compile small programs that use small parts of big 289 /// them to more quickly compile small programs that use small parts of big
290 /// libraries. It's also become an integrated part of how Fasta builds up 290 /// libraries. It's also become an integrated part of how Fasta builds up
291 /// outlines before starting to parse method bodies. 291 /// outlines before starting to parse method bodies.
292 /// 292 ///
293 /// When looking through this parser, you'll find a number of unused methods 293 /// When looking through this parser, you'll find a number of unused methods
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4149 return reportUnrecoverableError( 4149 return reportUnrecoverableError(
4150 token, () => code.format(uri, token.charOffset, string)); 4150 token, () => code.format(uri, token.charOffset, string));
4151 } 4151 }
4152 } 4152 }
4153 4153
4154 typedef FastaMessage NoArgument(Uri uri, int charOffset); 4154 typedef FastaMessage NoArgument(Uri uri, int charOffset);
4155 4155
4156 typedef FastaMessage TokenArgument(Uri uri, int charOffset, Token token); 4156 typedef FastaMessage TokenArgument(Uri uri, int charOffset, Token token);
4157 4157
4158 typedef FastaMessage StringArgument(Uri uri, int charOffset, String string); 4158 typedef FastaMessage StringArgument(Uri uri, int charOffset, String string);
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