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Unified Diff: pkg/analyzer/lib/src/lint/util.dart

Issue 2561573003: Revert "Move the linter core to the analyzer package" (Closed)
Patch Set: Created 4 years ago
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Index: pkg/analyzer/lib/src/lint/util.dart
diff --git a/pkg/analyzer/lib/src/lint/util.dart b/pkg/analyzer/lib/src/lint/util.dart
deleted file mode 100644
index e1c63af6a62eb1ec5fdcb3363a293cc91afe8e01..0000000000000000000000000000000000000000
--- a/pkg/analyzer/lib/src/lint/util.dart
+++ /dev/null
@@ -1,172 +0,0 @@
-// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-import 'dart:io';
-
-import 'package:analyzer/analyzer.dart';
-import 'package:analyzer/dart/ast/token.dart';
-import 'package:analyzer/src/dart/ast/token.dart';
-import 'package:analyzer/src/dart/scanner/reader.dart';
-import 'package:analyzer/src/dart/scanner/scanner.dart';
-import 'package:analyzer/src/generated/parser.dart' show Parser;
-import 'package:analyzer/src/string_source.dart' show StringSource;
-import 'package:path/path.dart' as p;
-
-final _identifier = new RegExp(r'^([(_|$)a-zA-Z]+([_a-zA-Z0-9])*)$');
-
-final _lowerCamelCase =
- new RegExp(r'^(_)*[?$a-z][a-z0-9?$]*([A-Z][a-z0-9?$]*)*$');
-
-final _lowerCaseUnderScore = new RegExp(r'^([a-z]+([_]?[a-z0-9]+)*)+$');
-
-final _lowerCaseUnderScoreWithDots =
- new RegExp(r'^[a-z][_a-z0-9]*(\.[a-z][_a-z0-9]*)*$');
-
-final _pubspec = new RegExp(r'^[_]?pubspec\.yaml$');
-
-final _underscores = new RegExp(r'^[_]+$');
-
-/// Create a library name prefix based on [libraryPath], [projectRoot] and
-/// current [packageName].
-String createLibraryNamePrefix(
- {String libraryPath, String projectRoot, String packageName}) {
- // Use the posix context to canonicalize separators (`\`).
- var libraryDirectory = p.posix.dirname(libraryPath);
- var path = p.posix.relative(libraryDirectory, from: projectRoot);
- // Drop 'lib/'.
- var segments = p.split(path);
- if (segments[0] == 'lib') {
- path = p.posix.joinAll(segments.sublist(1));
- }
- // Replace separators.
- path = path.replaceAll('/', '.');
- // Add separator if needed.
- if (path.isNotEmpty) {
- path = '.$path';
- }
-
- return '$packageName$path';
-}
-
-/// Returns `true` if this [fileName] is a Dart file.
-bool isDartFileName(String fileName) => fileName.endsWith('.dart');
-
-/// Returns `true` if this [name] is a legal Dart identifier.
-bool isIdentifier(String name) => _identifier.hasMatch(name);
-
-/// Returns `true` of the given [name] is composed only of `_`s.
-bool isJustUnderscores(String name) => _underscores.hasMatch(name);
-
-/// Returns `true` if this [id] is `lowerCamelCase`.
-bool isLowerCamelCase(String id) =>
- id.length == 1 && isUpperCase(id.codeUnitAt(0)) ||
- id == '_' ||
- _lowerCamelCase.hasMatch(id);
-
-/// Returns `true` if this [id] is `lower_camel_case_with_underscores`.
-bool isLowerCaseUnderScore(String id) => _lowerCaseUnderScore.hasMatch(id);
-
-/// Returns `true` if this [id] is `lower_camel_case_with_underscores_or.dots`.
-bool isLowerCaseUnderScoreWithDots(String id) =>
- _lowerCaseUnderScoreWithDots.hasMatch(id);
-
-/// Returns `true` if this [fileName] is a Pubspec file.
-bool isPubspecFileName(String fileName) => _pubspec.hasMatch(fileName);
-
-/// Returns `true` if the given code unit [c] is upper case.
-bool isUpperCase(int c) => c >= 0x40 && c <= 0x5A;
-
-class Spelunker {
- final String path;
- final IOSink sink;
- Spelunker(this.path, {IOSink sink}) : this.sink = sink ?? stdout;
-
- void spelunk() {
- var contents = new File(path).readAsStringSync();
-
- var errorListener = new _ErrorListener();
-
- var reader = new CharSequenceReader(contents);
- var stringSource = new StringSource(contents, path);
- var scanner = new Scanner(stringSource, reader, errorListener);
- var startToken = scanner.tokenize();
-
- errorListener.throwIfErrors();
-
- var parser = new Parser(stringSource, errorListener);
- var node = parser.parseCompilationUnit(startToken);
-
- errorListener.throwIfErrors();
-
- var visitor = new _SourceVisitor(sink);
- node.accept(visitor);
- }
-}
-
-class _ErrorListener implements AnalysisErrorListener {
- final errors = <AnalysisError>[];
-
- @override
- void onError(AnalysisError error) {
- errors.add(error);
- }
-
- void throwIfErrors() {
- if (errors.isNotEmpty) {
- throw new Exception(errors);
- }
- }
-}
-
-class _SourceVisitor extends GeneralizingAstVisitor {
- int indent = 0;
-
- final IOSink sink;
- _SourceVisitor(this.sink);
-
- String asString(AstNode node) =>
- typeInfo(node.runtimeType) + ' [${node.toString()}]';
-
- List<CommentToken> getPrecedingComments(Token token) {
- var comments = <CommentToken>[];
- var comment = token.precedingComments;
- while (comment is CommentToken) {
- comments.add(comment);
- comment = comment.next;
- }
- return comments;
- }
-
- String getTrailingComment(AstNode node) {
- var successor = node.endToken.next;
- if (successor != null) {
- var precedingComments = successor.precedingComments;
- if (precedingComments != null) {
- return precedingComments.toString();
- }
- }
- return '';
- }
-
- String typeInfo(Type type) => type.toString();
-
- @override
- visitNode(AstNode node) {
- write(node);
-
- ++indent;
- node.visitChildren(this);
- --indent;
- return null;
- }
-
- write(AstNode node) {
- //EOL comments
- var comments = getPrecedingComments(node.beginToken);
- comments.forEach((c) => sink.writeln('${" " * indent}$c'));
-
- sink.writeln(
- '${" " * indent}${asString(node)} ${getTrailingComment(node)}');
- }
-}
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