pkg/analyzer_experimental/lib/analyzer.dart - Issue 45573002: Rename analyzer_experimental to analyzer.

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Issue 45573002: Rename analyzer_experimental to analyzer. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Tweaks before publishing. Created 7 years, 1 month ago

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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file

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.

4

5 library analyzer;

6

7 import 'dart:io';

8

9 import 'package:path/path.dart' as pathos;

10

11 import 'src/generated/java_core.dart' show CharSequence;

12 import 'src/error.dart';

13 import 'src/generated/ast.dart';

14 import 'src/generated/error.dart';

15 import 'src/generated/parser.dart';

16 import 'src/generated/scanner.dart';

17 import 'src/generated/source_io.dart';

18 import 'src/string_source.dart';

19

20 export 'src/error.dart';

21 export 'src/generated/ast.dart';

22 export 'src/generated/error.dart';

23 export 'src/generated/utilities_dart.dart';

24

25 /// Parses a Dart file into an AST.

26 CompilationUnit parseDartFile(String path) {

27 String contents = new File(path).readAsStringSync();

28 var errorCollector = new _ErrorCollector();

29 var sourceFactory = new SourceFactory.con2([new FileUriResolver()]);

30

31 var absolutePath = pathos.absolute(path);

32 var source = sourceFactory.forUri(pathos.toUri(absolutePath).toString());

33 if (source == null) {

34 throw new ArgumentError("Can't get source for path $path");

35 }

36 if (!source.exists()) {

37 throw new ArgumentError("Source $source doesn't exist");

38 }

39

40 var reader = new CharSequenceReader(new CharSequence(contents));

41 var scanner = new Scanner(source, reader, errorCollector);

42 var token = scanner.tokenize();

43 var parser = new Parser(source, errorCollector);

44 var unit = parser.parseCompilationUnit(token);

45 unit.lineInfo = new LineInfo(scanner.lineStarts);

46

47 if (errorCollector.hasErrors) throw errorCollector.group;

48

49 return unit;

50 }

51

52 /// Parses a string of Dart code into an AST.

53 ///

54 /// If [name] is passed, it's used in error messages as the name of the code

55 /// being parsed.

56 CompilationUnit parseCompilationUnit(String contents, {String name}) {

57 if (name == null) name = '<unknown source>';

58 var source = new StringSource(contents, name);

59 var errorCollector = new _ErrorCollector();

60 var reader = new CharSequenceReader(new CharSequence(contents));

61 var scanner = new Scanner(source, reader, errorCollector);

62 var token = scanner.tokenize();

63 var parser = new Parser(source, errorCollector);

64 var unit = parser.parseCompilationUnit(token);

65 unit.lineInfo = new LineInfo(scanner.lineStarts);

66

67 if (errorCollector.hasErrors) throw errorCollector.group;

68

69 return unit;

70 }

71

72 /// Converts an AST node representing a string literal into a [String].

73 String stringLiteralToString(StringLiteral literal) {

74 return literal.stringValue;

75 }

76

77 /// A simple error listener that collects errors into an [AnalysisErrorGroup].

78 class _ErrorCollector extends AnalysisErrorListener {

79 final _errors = <AnalysisError>[];

80

81 /// Whether any errors where collected.

82 bool get hasErrors => !_errors.isEmpty;

83

84 /// The group of errors collected.

85 AnalyzerErrorGroup get group =>

86 new AnalyzerErrorGroup.fromAnalysisErrors(_errors);

87

88 _ErrorCollector();

89

90 void onError(AnalysisError error) => _errors.add(error);

91 }

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