diff --git a/lib/main.dart b/lib/main.dart
index 018d598f..6e7694bb 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -12,6 +12,8 @@ import 'package:solid_lints/src/lints/avoid_unnecessary_type_assertions/avoid_un
 import 'package:solid_lints/src/lints/avoid_unnecessary_type_assertions/fixes/avoid_unnecessary_type_assertions_fix.dart';
 import 'package:solid_lints/src/lints/double_literal_format/double_literal_format_rule.dart';
 import 'package:solid_lints/src/lints/double_literal_format/fixes/double_literal_format_fix.dart';
+import 'package:solid_lints/src/lints/function_lines_of_code/function_lines_of_code_rule.dart';
+import 'package:solid_lints/src/lints/function_lines_of_code/models/function_lines_of_code_parameters.dart';
 import 'package:solid_lints/src/lints/proper_super_calls/proper_super_calls_rule.dart';
 
 /// The entry point for the Solid Lints analyser server plugin.
@@ -47,6 +49,10 @@ class SolidLintsPlugin extends Plugin {
         analysisOptionsLoader: analysisLoader,
         parametersParser: AvoidReturningWidgetsParameters.fromJson,
       ),
+      FunctionLinesOfCodeRule(
+        analysisOptionsLoader: analysisLoader,
+        parametersParser: FunctionLinesOfCodeParameters.fromJson,
+      ),
     ];
 
     for (final lintRule in lintRules) {
diff --git a/lib/src/lints/function_lines_of_code/function_lines_of_code_rule.dart b/lib/src/lints/function_lines_of_code/function_lines_of_code_rule.dart
index a8e7c89e..dd033c6d 100644
--- a/lib/src/lints/function_lines_of_code/function_lines_of_code_rule.dart
+++ b/lib/src/lints/function_lines_of_code/function_lines_of_code_rule.dart
@@ -1,9 +1,8 @@
-import 'package:analyzer/dart/ast/ast.dart';
-import 'package:analyzer/error/listener.dart';
-import 'package:custom_lint_builder/custom_lint_builder.dart';
+import 'package:analyzer/analysis_rule/rule_context.dart';
+import 'package:analyzer/analysis_rule/rule_visitor_registry.dart';
+import 'package:analyzer/error/error.dart';
 import 'package:solid_lints/src/lints/function_lines_of_code/models/function_lines_of_code_parameters.dart';
-import 'package:solid_lints/src/lints/function_lines_of_code/visitors/function_lines_of_code_visitor.dart';
-import 'package:solid_lints/src/models/rule_config.dart';
+import 'package:solid_lints/src/lints/function_lines_of_code/visitors/function_lines_of_code_rule_visitor.dart';
 import 'package:solid_lints/src/models/solid_lint_rule.dart';
 
 /// An approximate metric of meaningful lines of source code inside a function,
@@ -12,90 +11,52 @@ import 'package:solid_lints/src/models/solid_lint_rule.dart';
 /// ### Example config:
 ///
 /// ```yaml
-/// custom_lint:
-///   rules:
-///     - function_lines_of_code:
-///       max_lines: 100
-///       excludeNames:
-///         - "Build"
+/// plugins:
+///   solid_lints:
+///     diagnostics:
+///       function_lines_of_code:
+///         max_lines: 100
+///         exclude:
+///           - "Build"
 /// ```
 class FunctionLinesOfCodeRule
     extends SolidLintRule<FunctionLinesOfCodeParameters> {
-  /// This lint rule represents the error if number of
-  /// parameters reaches the maximum value.
+  /// This lint rule name.
   static const lintName = 'function_lines_of_code';
 
-  FunctionLinesOfCodeRule._(super.config);
-
-  /// Creates a new instance of [FunctionLinesOfCodeRule]
-  /// based on the lint configuration.
-  factory FunctionLinesOfCodeRule.createRule(CustomLintConfigs configs) {
-    final rule = RuleConfig(
-      configs: configs,
-      name: lintName,
-      paramsParser: FunctionLinesOfCodeParameters.fromJson,
-      problemMessage: (value) =>
-          'The maximum allowed number of lines is ${value.maxLines}. '
-          'Try splitting this function into smaller parts.',
-    );
-
-    return FunctionLinesOfCodeRule._(rule);
-  }
+  static const _code = LintCode(
+    lintName,
+    'The maximum allowed number of lines is {0}. '
+    'Try splitting this function into smaller parts.',
+  );
 
   @override
-  void run(
-    CustomLintResolver resolver,
-    DiagnosticReporter reporter,
-    CustomLintContext context,
-  ) {
-    void checkNode(AstNode node) => _checkNode(resolver, reporter, node);
+  DiagnosticCode get diagnosticCode => _code;
 
-    void checkDeclarationNode(Declaration node) {
-      final isIgnored = config.parameters.exclude.shouldIgnore(node);
-      if (isIgnored) {
-        return;
-      }
-      checkNode(node);
-    }
-
-    // Check for an anonymous function
-    void checkFunctionExpressionNode(FunctionExpression node) {
-      // If a FunctionExpression is an immediate child of a FunctionDeclaration
-      // this means it's a named function, which are already check as part of
-      // addFunctionDeclaration call.
-      if (node.parent is FunctionDeclaration) {
-        return;
-      }
-      checkNode(node);
-    }
-
-    context.registry.addFunctionDeclaration(checkDeclarationNode);
-    context.registry.addMethodDeclaration(checkDeclarationNode);
-    context.registry.addFunctionExpression(checkFunctionExpressionNode);
-  }
+  /// Creates a new instance of [FunctionLinesOfCodeRule]
+  FunctionLinesOfCodeRule({
+    required super.analysisOptionsLoader,
+    required super.parametersParser,
+  }) : super.withParameters(
+         name: lintName,
+         description:
+             'An approximate metric of meaningful lines of source code '
+             'inside a function, excluding blank lines and comments.',
+       );
 
-  void _checkNode(
-    CustomLintResolver resolver,
-    DiagnosticReporter reporter,
-    AstNode node,
+  @override
+  void registerNodeProcessors(
+    RuleVisitorRegistry registry,
+    RuleContext context,
   ) {
-    final visitor = FunctionLinesOfCodeVisitor(resolver.lineInfo);
-    node.visitChildren(visitor);
+    super.registerNodeProcessors(registry, context);
 
-    if (visitor.linesWithCode.length > config.parameters.maxLines) {
-      if (node is! AnnotatedNode) {
-        reporter.atNode(node, code);
-        return;
-      }
+    final parameters =
+        getParametersForContext(context) ??
+        FunctionLinesOfCodeParameters.empty();
 
-      final startOffset = node.firstTokenAfterCommentAndMetadata.offset;
-      final lengthDifference = startOffset - node.offset;
+    final visitor = FunctionLinesOfCodeRuleVisitor(this, context, parameters);
 
-      reporter.atOffset(
-        offset: startOffset,
-        length: node.length - lengthDifference,
-        diagnosticCode: code,
-      );
-    }
+    registry.addCompilationUnit(this, visitor);
   }
 }
diff --git a/lib/src/lints/function_lines_of_code/models/function_lines_of_code_parameters.dart b/lib/src/lints/function_lines_of_code/models/function_lines_of_code_parameters.dart
index 7df6da2a..3e748c49 100644
--- a/lib/src/lints/function_lines_of_code/models/function_lines_of_code_parameters.dart
+++ b/lib/src/lints/function_lines_of_code/models/function_lines_of_code_parameters.dart
@@ -18,6 +18,14 @@ class FunctionLinesOfCodeParameters {
     required this.exclude,
   });
 
+  /// Empty [FunctionLinesOfCodeParameters] model with default max lines.
+  factory FunctionLinesOfCodeParameters.empty() {
+    return FunctionLinesOfCodeParameters(
+      maxLines: _defaultMaxLines,
+      exclude: ExcludedIdentifiersListParameter(exclude: []),
+    );
+  }
+
   /// Method for creating from json data
   factory FunctionLinesOfCodeParameters.fromJson(Map<String, Object?> json) =>
       FunctionLinesOfCodeParameters(
diff --git a/lib/src/lints/function_lines_of_code/visitors/function_lines_of_code_rule_visitor.dart b/lib/src/lints/function_lines_of_code/visitors/function_lines_of_code_rule_visitor.dart
new file mode 100644
index 00000000..28e9eda8
--- /dev/null
+++ b/lib/src/lints/function_lines_of_code/visitors/function_lines_of_code_rule_visitor.dart
@@ -0,0 +1,73 @@
+import 'package:analyzer/analysis_rule/rule_context.dart';
+import 'package:analyzer/dart/ast/ast.dart';
+import 'package:analyzer/dart/ast/visitor.dart';
+import 'package:solid_lints/src/lints/function_lines_of_code/function_lines_of_code_rule.dart';
+import 'package:solid_lints/src/lints/function_lines_of_code/models/function_lines_of_code_parameters.dart';
+import 'package:solid_lints/src/lints/function_lines_of_code/visitors/function_lines_of_code_visitor.dart';
+
+/// A visitor that reports on functions/methods exceeding the max line limit.
+class FunctionLinesOfCodeRuleVisitor extends RecursiveAstVisitor<void> {
+  final FunctionLinesOfCodeRule _rule;
+  final RuleContext _context;
+  final FunctionLinesOfCodeParameters _parameters;
+
+  /// Creates a new instance of [FunctionLinesOfCodeRuleVisitor].
+  FunctionLinesOfCodeRuleVisitor(this._rule, this._context, this._parameters);
+
+  @override
+  void visitFunctionDeclaration(FunctionDeclaration node) {
+    final isIgnored = _parameters.exclude.shouldIgnore(node);
+    if (!isIgnored) {
+      _checkNode(node);
+    }
+    super.visitFunctionDeclaration(node);
+  }
+
+  @override
+  void visitMethodDeclaration(MethodDeclaration node) {
+    final isIgnored = _parameters.exclude.shouldIgnore(node);
+    if (!isIgnored) {
+      _checkNode(node);
+    }
+    super.visitMethodDeclaration(node);
+  }
+
+  @override
+  void visitFunctionExpression(FunctionExpression node) {
+    if (node.parent is! FunctionDeclaration) {
+      _checkNode(node);
+    }
+    super.visitFunctionExpression(node);
+  }
+
+  void _checkNode(AstNode node) {
+    final currentUnit = _context.currentUnit;
+    if (currentUnit == null) return;
+
+    final lineInfo = currentUnit.unit.lineInfo;
+    final visitor = FunctionLinesOfCodeVisitor(lineInfo);
+    node.visitChildren(visitor);
+    if (visitor.linesWithCode.length <= _parameters.maxLines) return;
+
+    final reporter = currentUnit.diagnosticReporter;
+    if (node is! AnnotatedNode) {
+      reporter.atNode(
+        node,
+        _rule.diagnosticCode,
+        arguments: [_parameters.maxLines],
+      );
+
+      return;
+    }
+
+    final startOffset = node.firstTokenAfterCommentAndMetadata.offset;
+    final lengthDifference = startOffset - node.offset;
+
+    reporter.atOffset(
+      offset: startOffset,
+      length: node.length - lengthDifference,
+      diagnosticCode: _rule.diagnosticCode,
+      arguments: [_parameters.maxLines],
+    );
+  }
+}
diff --git a/lint_test/function_lines_of_code_test/analysis_options.yaml b/lint_test/function_lines_of_code_test/analysis_options.yaml
deleted file mode 100644
index 459a4d79..00000000
--- a/lint_test/function_lines_of_code_test/analysis_options.yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-analyzer:
-  plugins:
-    - ../custom_lint
-
-custom_lint:
-  rules:
-    - function_lines_of_code:
-      max_lines: 5
-      exclude:
-        - class_name: ClassWithLongMethods
-          method_name: longMethodExcluded
-        - method_name: longFunctionExcluded     
-        - longFunctionExcludedByDeclarationName
-        - longMethodExcludedByDeclarationName
diff --git a/lint_test/function_lines_of_code_test/function_lines_of_code_test.dart b/lint_test/function_lines_of_code_test/function_lines_of_code_test.dart
deleted file mode 100644
index 032f5cd6..00000000
--- a/lint_test/function_lines_of_code_test/function_lines_of_code_test.dart
+++ /dev/null
@@ -1,535 +0,0 @@
-// ignore_for_file: prefer_match_file_name
-
-class ClassWithLongMethods {
-  // expect_lint: function_lines_of_code
-  int longMethod() {
-    var i = 0;
-    i++;
-    i++;
-    i++;
-    i++;
-    i++;
-    i++;
-    i++;
-    i++;
-    i++;
-    i++;
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-    i++;
-    i++;
-    i++;
-    i++;
-    i++;
-    i++;
-    i++;
-    i++;
-    i++;
-
-    return i;
-  }
-
-  // Excluded by method_name
-  int longMethodExcluded() {
-    var i = 0;
-    i++;
-    i++;
-    i++;
-    i++;
-
-    return i;
-  }
-
-// Excluded by declaration_name
-  int longMethodExcludedByDeclarationName() {
-    var i = 0;
-    i++;
-    i++;
-    i++;
-    i++;
-
-    return i;
-  }
-
-  int notLongMethod() {
-    var i = 0;
-    i++;
-    i++;
-    i++;
-
-    return i;
-  }
-}
-
-int notLongFunction() {
-  var i = 0;
-  i++;
-  i++;
-  i++;
-
-  return i;
-}
-
-// expect_lint: function_lines_of_code
-int longFunction() {
-  var i = 0;
-  i++;
-  i++;
-  i++;
-  i++;
-  i++;
-  i++;
-  i++;
-  i++;
-  i++;
-  i++;
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-  i++;
-  i++;
-  i++;
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-  i++;
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-  i++;
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-  i++;
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-  i++;
-  i++;
-  i++;
-  i++;
-  i++;
-  i++;
-  i++;
-  i++;
-  i++;
-
-  return i;
-}
-
-// Excluded by method_name
-int longFunctionExcluded() {
-  var i = 0;
-  i++;
-  i++;
-  i++;
-  i++;
-
-  return i;
-}
-
-// Excluded by declaration_name
-int longFunctionExcludedByDeclarationName() {
-  var i = 0;
-  i++;
-  i++;
-  i++;
-  i++;
-
-  return i;
-}
-
-// expect_lint: function_lines_of_code
-final longAnonymousFunction = () {
-  var i = 0;
-  i++;
-  i++;
-  i++;
-  i++;
-
-  return i;
-};
-
-final notLongAnonymousFunction = () {
-  var i = 0;
-  i++;
-  i++;
-  i++;
-
-  return i;
-};
diff --git a/test/src/lints/function_lines_of_code/function_lines_of_code_rule_test.dart b/test/src/lints/function_lines_of_code/function_lines_of_code_rule_test.dart
new file mode 100644
index 00000000..8a9c4665
--- /dev/null
+++ b/test/src/lints/function_lines_of_code/function_lines_of_code_rule_test.dart
@@ -0,0 +1,138 @@
+import 'package:analyzer_testing/utilities/utilities.dart';
+import 'package:solid_lints/src/common/parameter_parser/analysis_options_loader.dart';
+import 'package:solid_lints/src/lints/function_lines_of_code/function_lines_of_code_rule.dart';
+import 'package:solid_lints/src/lints/function_lines_of_code/models/function_lines_of_code_parameters.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+import '../../utils/code_generators.dart';
+import '../../utils/table_driven_rule_test.dart';
+import 'models/test_case.dart';
+
+void main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(FunctionLinesOfCodeRuleTest);
+  });
+}
+
+@reflectiveTest
+class FunctionLinesOfCodeRuleTest extends TableDrivenRuleTest<TestCase> {
+  static const _excludedClassName = 'ExcludedClass';
+  static const _nonExcludedClassName = 'NonExcludedClass';
+  static const _excludedMethodName = 'excludedMethod';
+  static const _excludedMethodByDeclaration = 'excludedMethodByDeclaration';
+  static const _excludedFunctionName = 'excludedFunction';
+  static const _excludedFunctionByDeclaration = 'excludedFunctionByDeclaration';
+  static const _excludedByString = 'excludedByString';
+
+  static const _mockAnalysisOptionsContent =
+      '''
+plugins:
+  solid_lints:
+    diagnostics:
+      function_lines_of_code:
+        max_lines: 4
+        exclude:
+          - class_name: $_excludedClassName
+            method_name: $_excludedMethodName
+          - method_name: $_excludedMethodByDeclaration
+          - method_name: $_excludedFunctionName
+          - method_name: $_excludedFunctionByDeclaration
+          - $_excludedByString
+  ''';
+
+  /// All test cases for the function_lines_of_code rule.
+  static const testTable = <TestCase, ExpectedResult>{
+    // --- Threshold: fail when code lines > max (4) ---
+    TestCase(codeLines: 5): ExpectedResult.fail,
+    TestCase(codeLines: 5, comments: true): ExpectedResult.fail,
+
+    // --- Threshold: pass when code lines ≤ max (4) ---
+    TestCase(codeLines: 4): ExpectedResult.pass,
+    TestCase(codeLines: 3): ExpectedResult.pass,
+    TestCase(codeLines: 4, comments: true): ExpectedResult.pass,
+
+    // --- Exclude config ---
+    TestCase(
+      codeLines: 5,
+      className: _excludedClassName,
+      methodName: _excludedMethodName,
+    ): ExpectedResult.pass,
+    TestCase(
+      codeLines: 5,
+      className: _excludedClassName,
+      methodName: _excludedMethodByDeclaration,
+    ): ExpectedResult.pass,
+    TestCase(codeLines: 5, methodName: _excludedFunctionName):
+        ExpectedResult.pass,
+    TestCase(codeLines: 5, methodName: _excludedFunctionByDeclaration):
+        ExpectedResult.pass,
+    TestCase(
+      codeLines: 5,
+      className: _nonExcludedClassName,
+      methodName: _excludedByString,
+    ): ExpectedResult.pass,
+
+    // --- Anonymous functions ---
+    TestCase(codeLines: 5, anonymous: true): ExpectedResult.fail,
+  };
+
+  @override
+  void setUp() {
+    rule = FunctionLinesOfCodeRule(
+      analysisOptionsLoader: AnalysisOptionsLoader(
+        resourceProvider: resourceProvider,
+      ),
+      parametersParser: FunctionLinesOfCodeParameters.fromJson,
+    );
+    super.setUp();
+
+    newAnalysisOptionsYamlFile(
+      testPackageRootPath,
+      '''${analysisOptionsContent(rules: [rule.name])}
+$_mockAnalysisOptionsContent''',
+    );
+  }
+
+  /// Generates test source code for the given [testCase].
+  ///
+  /// Returns the full [source] to analyze and the [lintTarget] substring
+  /// that should trigger the lint diagnostic (for fail cases).
+  @override
+  ({String source, String lintTarget}) generateCode(TestCase testCase) {
+    final indent = testCase.className != null ? '    ' : '  ';
+    final singleComment = testCase.comments
+        ? '$indent// This is a single-line comment.\n'
+        : '';
+    final multiComment = testCase.comments
+        ? '\n$indent/*\n$indent * This is a multi-line comment.\n$indent */\n'
+        : '';
+    final extra = testCase.codeLines - 2;
+    final stmts = extra > 0
+        ? '\n${repeatLines('${indent}i++;', extra)}\n'
+        : '\n';
+    final body =
+        '$singleComment${indent}var i = 0;$stmts$multiComment\n${indent}return i;\n';
+
+    if (testCase.anonymous) {
+      final fn = '() {\n$body}';
+      return (source: 'final longAnonymousFunction = $fn;\n', lintTarget: fn);
+    }
+
+    final name = testCase.methodName ?? 'function';
+
+    if (testCase.className != null) {
+      final method = '  int $name() {\n$body  }';
+      return (
+        source: '\nclass ${testCase.className} {\n$method\n}\n',
+        lintTarget: method,
+      );
+    }
+
+    final fn = 'int $name() {\n$body}';
+    return (source: '$fn\n', lintTarget: fn);
+  }
+
+  Future<void> test_function_lines_of_code_cases() async {
+    await runTableTests(testTable);
+  }
+}
diff --git a/test/src/lints/function_lines_of_code/models/test_case.dart b/test/src/lints/function_lines_of_code/models/test_case.dart
new file mode 100644
index 00000000..49b36416
--- /dev/null
+++ b/test/src/lints/function_lines_of_code/models/test_case.dart
@@ -0,0 +1,38 @@
+/// Parameters for a single function_lines_of_code test case.
+class TestCase {
+  /// Number of code lines inside the function body.
+  ///
+  /// `var i = 0;` and `return i;` are always present, so [codeLines] of 4
+  /// means two extra `i++;` statements.
+  final int codeLines;
+
+  /// Whether to include single-line and multi-line comments (not counted).
+  final bool comments;
+
+  /// If set, wraps the function inside `class [className] { ... }`.
+  final String? className;
+
+  /// Overrides the default function name (`function`).
+  final String? methodName;
+
+  /// If true, generates an anonymous function literal instead.
+  final bool anonymous;
+
+  const TestCase({
+    required this.codeLines,
+    this.comments = false,
+    this.className,
+    this.methodName,
+    this.anonymous = false,
+  });
+
+  @override
+  String toString() {
+    final parts = <String>['codeLines: $codeLines'];
+    if (comments) parts.add('comments: true');
+    if (className != null) parts.add('className: $className');
+    if (methodName != null) parts.add('methodName: $methodName');
+    if (anonymous) parts.add('anonymous: true');
+    return '(${parts.join(', ')})';
+  }
+}
diff --git a/test/src/utils/code_generators.dart b/test/src/utils/code_generators.dart
new file mode 100644
index 00000000..d331ee4a
--- /dev/null
+++ b/test/src/utils/code_generators.dart
@@ -0,0 +1,5 @@
+/// Repeats [string] [times] times, joining with newlines.
+///
+/// Useful for generating test Dart code with a specific number of lines.
+String repeatLines(String string, int times) =>
+    List.generate(times, (_) => string).join('\n');
diff --git a/test/src/utils/table_driven_rule_test.dart b/test/src/utils/table_driven_rule_test.dart
new file mode 100644
index 00000000..8f282f27
--- /dev/null
+++ b/test/src/utils/table_driven_rule_test.dart
@@ -0,0 +1,53 @@
+import 'package:analyzer_testing/analysis_rule/analysis_rule.dart';
+import 'package:test/test.dart' hide setUp;
+
+import '../../lints/auto_test_lint_offsets.dart';
+
+/// Result expected from a table-driven test case.
+enum ExpectedResult {
+  /// The test case should pass without diagnostics.
+  pass,
+
+  /// The test case should fail with a lint diagnostic.
+  fail,
+}
+
+/// Base class for table-driven lint rule tests.
+abstract class TableDrivenRuleTest<T> extends AnalysisRuleTest
+    with AutoTestLintOffsets {
+  /// Disposes and recreates the analysis context.
+  Future<void> resetAnalyzerContext() async {
+    // ignore: invalid_use_of_visible_for_testing_member
+    await super.tearDown();
+    setUp();
+  }
+
+  /// Generates the test source code and the lint target for a given [testCase].
+  ({String source, String lintTarget}) generateCode(T testCase);
+
+  /// Executes all test cases defined in the [testTable] map.
+  Future<void> runTableTests(Map<T, ExpectedResult> testTable) async {
+    for (final MapEntry(key: testCase, value: expected) in testTable.entries) {
+      final (:source, :lintTarget) = generateCode(testCase);
+
+      try {
+        switch (expected) {
+          case ExpectedResult.pass:
+            await assertNoDiagnostics(source);
+          case ExpectedResult.fail:
+            final marked = source.replaceFirst(
+              lintTarget,
+              expectLint(lintTarget),
+            );
+            await assertAutoDiagnostics(marked);
+        }
+      } on TestFailure catch (e) {
+        fail('Case $testCase: $e');
+      }
+
+      // Reset the analysis context between test cases to bypass the analyzer's
+      // internal caching and ensure the newly generated code is re-analyzed.
+      await resetAnalyzerContext();
+    }
+  }
+}