feat: implement generator di module

cherrypick_generator/build.yaml

@@ -1,8 +1,8 @@
 builders:
-  injectable:
-    import: "package:cherrypick_generator/injectable_generator.dart"
-    builder_factories: ["injectableBuilder"]
-    build_extensions: {".dart": [".cherrypick_injectable.g.dart"]}
+  module_generator:
+    import: "package:cherrypick_generator/module_generator.dart"
+    builder_factories: ["moduleBuilder"]
+    build_extensions: {".dart": [".cherrypick.g.dart"]}
     auto_apply: dependents
     required_inputs: ["lib/**"]
     runs_before: []
@@ -11,6 +11,6 @@ builders:
 targets:
   $default:
     builders:
-      cherrypick_generator|injectable:
+      cherrypick_generator|module_generator:
         generate_for:
           - lib/**.dart

cherrypick_generator/lib/cherrypick_generator.dart

@@ -1,3 +1,3 @@
 library;
 
-export 'inject_generator.dart';
+export 'module_generator.dart';

cherrypick_generator/lib/inject_generator.dart

@@ -1,38 +0,0 @@
-import 'dart:async';
-import 'package:build/build.dart';
-import 'package:source_gen/source_gen.dart';
-import 'package:analyzer/dart/element/element.dart';
-import 'package:cherrypick_annotations/cherrypick_annotations.dart';
-
-class InjectGenerator extends GeneratorForAnnotation<Injectable> {
-  @override
-  FutureOr<String> generateForAnnotatedElement(
-    Element element,
-    ConstantReader annotation,
-    BuildStep buildStep,
-  ) {
-    print('[TRACE] Processing element: ${element.name}');
-
-    if (element is! FieldElement) {
-      throw InvalidGenerationSourceError(
-        'Inject can only be used on fields.',
-        element: element,
-      );
-    }
-
-    print('[TRACE] Starting code generation for element: ${element.name}');
-
-    final className = element.enclosingElement.name;
-    final fieldName = element.name;
-    final fieldType = element.type.getDisplayString(withNullability: false);
-    final annotationName = annotation.read('named').stringValue;
-
-    return '''
-extension \$${className}Inject on $className {
-  void init$fieldName() {
-    print("Injected $fieldType named '$annotationName' into $fieldName");
-  }
-}
-''';
-  }
-}

cherrypick_generator/lib/injectable_generator.dart

@@ -1,33 +0,0 @@
-import 'package:source_gen/source_gen.dart';
-import 'package:analyzer/dart/element/element.dart';
-import 'package:build/build.dart';
-import 'package:cherrypick_annotations/cherrypick_annotations.dart';
-
-class InjectableGenerator extends GeneratorForAnnotation<Injectable> {
-  @override
-  generateForAnnotatedElement(
-      Element element, ConstantReader annotation, BuildStep buildStep) {
-    if (element is! ClassElement) return null;
-
-    final className = element.name;
-
-    // Используйте уникальное имя функции (например, привязанное к файлу/классу)
-    return '''
-void \$initCherrypickGenerated() {
-  print("Generate code success $className");
-}
-''';
-  }
-}
-
-Builder injectableBuilder(BuilderOptions options) =>
-    PartBuilder([InjectableGenerator()], '.cherrypick_injectable.g.dart');
-
-/*
-Builder injectableBuilder(BuilderOptions options) => SharedPartBuilder(
-      [InjectableGenerator()],
-      'injectable',
-      allowSyntaxErrors: true,
-      writeDescriptions: true,
-    );
-*/

cherrypick_generator/lib/module_generator.dart

@@ -0,0 +1,60 @@
+// ... остальные импорты ...
+import 'package:analyzer/dart/element/element.dart';
+import 'package:build/build.dart';
+import 'package:source_gen/source_gen.dart';
+import 'package:cherrypick_annotations/cherrypick_annotations.dart' as ann;
+
+class ModuleGenerator extends GeneratorForAnnotation<ann.module> {
+  @override
+  String generateForAnnotatedElement(
+      Element element, ConstantReader annotation, BuildStep buildStep) {
+    if (element is! ClassElement) {
+      throw InvalidGenerationSourceError(
+        '@module() может быть применён только к классам.',
+        element: element,
+      );
+    }
+
+    final classElement = element;
+    final className = classElement.displayName;
+    final generatedClassName = r'$' + className;
+    final buffer = StringBuffer();
+
+    //buffer.writeln("part of '${buildStep.inputId.uri.pathSegments.last}';\n");
+    buffer.writeln('final class $generatedClassName extends $className {');
+    buffer.writeln('  @override');
+    buffer.writeln('  void builder(Scope currentScope) {');
+
+    for (final method in classElement.methods.where((m) => !m.isAbstract)) {
+      final hasSingleton = method.metadata.any(
+        (m) =>
+            m
+                .computeConstantValue()
+                ?.type
+                ?.getDisplayString(withNullability: false)
+                .toLowerCase()
+                .contains('singleton') ??
+            false,
+      );
+      if (!hasSingleton) continue;
+
+      final returnType =
+          method.returnType.getDisplayString(withNullability: false);
+      final methodName = method.displayName;
+      final args = method.parameters
+          .map((p) =>
+              "currentScope.resolve<${p.type.getDisplayString(withNullability: false)}>()")
+          .join(', ');
+
+      buffer.write('    bind<$returnType>()'
+          '.toProvide(() => $methodName($args))'
+          '.singleton();\n');
+    }
+
+    buffer.writeln('  }\n}');
+    return buffer.toString();
+  }
+}
+
+Builder moduleBuilder(BuilderOptions options) =>
+    PartBuilder([ModuleGenerator()], '.cherrypick.g.dart');