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

Issue 1602803002: Clean-up imports (Closed) Base URL: https://github.com/dart-lang/sdk.git@master
Patch Set: Created 4 years, 11 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 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 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; 5 library analyzer;
6 6
7 import 'dart:io'; 7 import 'dart:io';
8 8
9 import 'package:analyzer/dart/ast/ast.dart';
9 import 'package:analyzer/src/error.dart'; 10 import 'package:analyzer/src/error.dart';
10 import 'package:analyzer/src/generated/ast.dart';
11 import 'package:analyzer/src/generated/error.dart'; 11 import 'package:analyzer/src/generated/error.dart';
12 import 'package:analyzer/src/generated/parser.dart'; 12 import 'package:analyzer/src/generated/parser.dart';
13 import 'package:analyzer/src/generated/scanner.dart'; 13 import 'package:analyzer/src/generated/scanner.dart';
14 import 'package:analyzer/src/generated/source_io.dart'; 14 import 'package:analyzer/src/generated/source_io.dart';
15 import 'package:analyzer/src/string_source.dart'; 15 import 'package:analyzer/src/string_source.dart';
16 import 'package:path/path.dart' as pathos; 16 import 'package:path/path.dart' as pathos;
17 17
18 export 'package:analyzer/dart/ast/ast.dart';
19 export 'package:analyzer/dart/ast/visitor.dart';
20 export 'package:analyzer/src/dart/ast/utilities.dart';
18 export 'package:analyzer/src/error.dart'; 21 export 'package:analyzer/src/error.dart';
19 export 'package:analyzer/src/generated/ast.dart';
20 export 'package:analyzer/src/generated/error.dart'; 22 export 'package:analyzer/src/generated/error.dart';
21 export 'package:analyzer/src/generated/utilities_dart.dart'; 23 export 'package:analyzer/src/generated/utilities_dart.dart';
22 24
23 /// Parses a string of Dart code into an AST. 25 /// Parses a string of Dart code into an AST.
24 /// 26 ///
25 /// If [name] is passed, it's used in error messages as the name of the code 27 /// If [name] is passed, it's used in error messages as the name of the code
26 /// being parsed. 28 /// being parsed.
27 /// 29 ///
28 /// Throws an [AnalyzerErrorGroup] if any errors occurred, unless 30 /// Throws an [AnalyzerErrorGroup] if any errors occurred, unless
29 /// [suppressErrors] is `true`, in which case any errors are discarded. 31 /// [suppressErrors] is `true`, in which case any errors are discarded.
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56 throw new ArgumentError("Can't get source for path $path"); 58 throw new ArgumentError("Can't get source for path $path");
57 } 59 }
58 if (!source.exists()) { 60 if (!source.exists()) {
59 throw new ArgumentError("Source $source doesn't exist"); 61 throw new ArgumentError("Source $source doesn't exist");
60 } 62 }
61 63
62 return _parseSource(contents, source, 64 return _parseSource(contents, source,
63 suppressErrors: suppressErrors, parseFunctionBodies: parseFunctionBodies); 65 suppressErrors: suppressErrors, parseFunctionBodies: parseFunctionBodies);
64 } 66 }
65 67
66 CompilationUnit _parseSource(String contents, Source source,
67 {bool suppressErrors: false, bool parseFunctionBodies: true}) {
68 var reader = new CharSequenceReader(contents);
69 var errorCollector = new _ErrorCollector();
70 var scanner = new Scanner(source, reader, errorCollector);
71 var token = scanner.tokenize();
72 var parser = new Parser(source, errorCollector)
73 ..parseFunctionBodies = parseFunctionBodies;
74 var unit = parser.parseCompilationUnit(token)
75 ..lineInfo = new LineInfo(scanner.lineStarts);
76
77 if (errorCollector.hasErrors && !suppressErrors) throw errorCollector.group;
78
79 return unit;
80 }
81
82 /// Parses the script tag and directives in a string of Dart code into an AST. 68 /// Parses the script tag and directives in a string of Dart code into an AST.
83 /// 69 ///
84 /// Stops parsing when the first non-directive is encountered. The rest of the 70 /// Stops parsing when the first non-directive is encountered. The rest of the
85 /// string will not be parsed. 71 /// string will not be parsed.
86 /// 72 ///
87 /// If [name] is passed, it's used in error messages as the name of the code 73 /// If [name] is passed, it's used in error messages as the name of the code
88 /// being parsed. 74 /// being parsed.
89 /// 75 ///
90 /// Throws an [AnalyzerErrorGroup] if any errors occurred, unless 76 /// Throws an [AnalyzerErrorGroup] if any errors occurred, unless
91 /// [suppressErrors] is `true`, in which case any errors are discarded. 77 /// [suppressErrors] is `true`, in which case any errors are discarded.
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104 if (errorCollector.hasErrors && !suppressErrors) throw errorCollector.group; 90 if (errorCollector.hasErrors && !suppressErrors) throw errorCollector.group;
105 91
106 return unit; 92 return unit;
107 } 93 }
108 94
109 /// Converts an AST node representing a string literal into a [String]. 95 /// Converts an AST node representing a string literal into a [String].
110 String stringLiteralToString(StringLiteral literal) { 96 String stringLiteralToString(StringLiteral literal) {
111 return literal.stringValue; 97 return literal.stringValue;
112 } 98 }
113 99
100 CompilationUnit _parseSource(String contents, Source source,
101 {bool suppressErrors: false, bool parseFunctionBodies: true}) {
102 var reader = new CharSequenceReader(contents);
103 var errorCollector = new _ErrorCollector();
104 var scanner = new Scanner(source, reader, errorCollector);
105 var token = scanner.tokenize();
106 var parser = new Parser(source, errorCollector)
107 ..parseFunctionBodies = parseFunctionBodies;
108 var unit = parser.parseCompilationUnit(token)
109 ..lineInfo = new LineInfo(scanner.lineStarts);
110
111 if (errorCollector.hasErrors && !suppressErrors) throw errorCollector.group;
112
113 return unit;
114 }
115
114 /// A simple error listener that collects errors into an [AnalysisErrorGroup]. 116 /// A simple error listener that collects errors into an [AnalysisErrorGroup].
115 class _ErrorCollector extends AnalysisErrorListener { 117 class _ErrorCollector extends AnalysisErrorListener {
116 final _errors = <AnalysisError>[]; 118 final _errors = <AnalysisError>[];
117 119
118 _ErrorCollector(); 120 _ErrorCollector();
119 121
120 /// The group of errors collected. 122 /// The group of errors collected.
121 AnalyzerErrorGroup get group => 123 AnalyzerErrorGroup get group =>
122 new AnalyzerErrorGroup.fromAnalysisErrors(_errors); 124 new AnalyzerErrorGroup.fromAnalysisErrors(_errors);
123 125
124 /// Whether any errors where collected. 126 /// Whether any errors where collected.
125 bool get hasErrors => !_errors.isEmpty; 127 bool get hasErrors => !_errors.isEmpty;
126 128
127 void onError(AnalysisError error) => _errors.add(error); 129 void onError(AnalysisError error) => _errors.add(error);
128 } 130 }
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