de-duplicate code in analyze.dart (#151279)

This is just a de-duplication PR that should be a no-op.

Author: christopherfujino

dev/bots/analyze.dart

@@ -184,8 +184,8 @@ Future<void> run(List<String> arguments) async {
     final String ruleNames = rules.map((AnalyzeRule rule) => '\n * $rule').join();
     printProgress('Analyzing code in the framework with the following rules:$ruleNames');
     await analyzeWithRules(flutterRoot, rules,
-      includePaths: <String>['packages/flutter/lib'],
-      excludePaths: <String>['packages/flutter/lib/fix_data'],
+      includePaths: const <String>['packages/flutter/lib'],
+      excludePaths: const <String>['packages/flutter/lib/fix_data'],
     );
     final List<AnalyzeRule> testRules = <AnalyzeRule>[noStopwatches];
     final String testRuleNames = testRules.map((AnalyzeRule rule) => '\n * $rule').join();
@@ -196,7 +196,14 @@ Future<void> run(List<String> arguments) async {
     final List<AnalyzeRule> toolRules = <AnalyzeRule>[AvoidFutureCatchError()];
     final String toolRuleNames = toolRules.map((AnalyzeRule rule) => '\n * $rule').join();
     printProgress('Analyzing code in the tool with the following rules:$toolRuleNames');
-    await analyzeToolWithRules(flutterRoot, toolRules);
+    await analyzeWithRules(
+      flutterRoot,
+      toolRules,
+      includePaths: const <String>[
+        'packages/flutter_tools/lib',
+        'packages/flutter_tools/test',
+      ],
+    );
   } else {
     printProgress('Skipped performing further analysis in the framework because "flutter analyze" finished with a non-zero exit code.');
   }

dev/bots/custom_rules/analyze.dart

@@ -64,41 +64,6 @@ Future<void> analyzeWithRules(String flutterRootDirectory, List<AnalyzeRule> rul
   }
 }
 
-Future<void> analyzeToolWithRules(String flutterRootDirectory, List<AnalyzeRule> rules) async {
-  final String libPath = path.canonicalize('$flutterRootDirectory/packages/flutter_tools/lib');
-  if (!Directory(libPath).existsSync()) {
-    foundError(<String>['Analyzer error: the specified $libPath does not exist.']);
-  }
-  final String testPath = path.canonicalize('$flutterRootDirectory/packages/flutter_tools/test');
-  final AnalysisContextCollection collection = AnalysisContextCollection(
-    includedPaths: <String>[libPath, testPath],
-  );
-
-  final List<String> analyzerErrors = <String>[];
-  for (final AnalysisContext context in collection.contexts) {
-    final Iterable<String> analyzedFilePaths = context.contextRoot.analyzedFiles();
-    final AnalysisSession session = context.currentSession;
-
-    for (final String filePath in analyzedFilePaths) {
-      final SomeResolvedUnitResult unit = await session.getResolvedUnit(filePath);
-      if (unit is ResolvedUnitResult) {
-        for (final AnalyzeRule rule in rules) {
-          rule.applyTo(unit);
-        }
-      } else {
-        analyzerErrors.add('Analyzer error: file $unit could not be resolved. Expected "ResolvedUnitResult", got ${unit.runtimeType}.');
-      }
-    }
-  }
-
-  if (analyzerErrors.isNotEmpty) {
-    foundError(analyzerErrors);
-  }
-  for (final AnalyzeRule verifier in rules) {
-    verifier.reportViolations(flutterRootDirectory);
-  }
-}
-
 /// An interface that defines a set of best practices, and collects information
 /// about code that violates the best practices in a [ResolvedUnitResult].
 ///