Add Scala support to repository analysis

.gitignore

@@ -45,6 +45,7 @@ tests/*
 !tests/test_processing_order_update.py
 !tests/test_leaf_selection.py
 !tests/test_artifact_analyzer.py
+!tests/test_scala_analyzer.py
 
 # Jupyter
 *.ipynb

README.md

@@ -149,7 +149,7 @@ CodeWiki is an open-source framework for **automated repository-level documentat
 
 ### Supported Languages
 
-**🐍 Python** • **☕ Java** • **🟨 JavaScript** • **🔷 TypeScript** • **⚙️ C** • **🔧 C++** • **🪟 C#** • **🎯 Kotlin** • **🐘 PHP** • **💎 Ruby**
+**🐍 Python** • **☕ Java** • **🟨 JavaScript** • **🔷 TypeScript** • **⚙️ C** • **🔧 C++** • **🪟 C#** • **🎯 Kotlin** • **🐘 PHP** • **💎 Ruby** • **🔺 Scala**
 
 ---
 

codewiki/cli/utils/repo_validator.py

@@ -31,6 +31,8 @@
     ".kt",  # Kotlin
     ".kts",  # Kotlin Scripts
     ".rb",  # Ruby
+    ".scala",  # Scala
+    ".sc",  # Scala Scripts
 }
 
 

codewiki/cli/utils/validation.py

@@ -166,6 +166,7 @@ def detect_supported_languages(directory: Path) -> list[tuple[str, int]]:
         "PHP": [".php", ".phtml", ".inc"],
         "Kotlin": [".kt", ".kts"],
         "Ruby": [".rb"],
+        "Scala": [".scala", ".sc"],
     }
 
     # Directories to exclude from counting

codewiki/mcp/tools/analysis.py

@@ -226,6 +226,8 @@ def _detect_via_mtime(
         ".kt",
         ".kts",
         ".rb",
+        ".scala",
+        ".sc",
     }
 
     changed: list[str] = []

codewiki/src/be/dependency_analyzer/analysis/analysis_service.py

@@ -354,6 +354,7 @@ def _filter_supported_languages(self, code_files: list[dict]) -> list[dict]:
             "go",
             "rust",
             "kotlin",
+            "scala",
         }
 
         return [
@@ -375,6 +376,7 @@ def _get_supported_languages(self) -> list[str]:
             "php",
             "ruby",
             "kotlin",
+            "scala",
         ]
 
     def _cleanup_repository(self, temp_dir: str):

codewiki/src/be/dependency_analyzer/analysis/call_graph_analyzer.py

@@ -253,6 +253,8 @@ def _analyze_code_file(self, repo_dir: str, file_info: dict):
                     self._analyze_php_file(file_path, content, repo_dir)
                 elif language == "ruby":
                     self._analyze_ruby_file(file_path, content, repo_dir)
+                elif language == "scala":
+                    self._analyze_scala_file(file_path, content, repo_dir)
                 # else:
                 #     logger.warning(
                 #         f"Unsupported language for call graph analysis: {language} for file {file_path}"
@@ -508,6 +510,28 @@ def _analyze_ruby_file(self, file_path: str, content: str, repo_dir: str):
         except Exception:
             logger.exception(f"Failed to analyze Ruby file {file_path}")
 
+    def _analyze_scala_file(self, file_path: str, content: str, repo_dir: str):
+        """
+        Analyze Scala file using tree-sitter based analyzer.
+
+        Args:
+            file_path: Relative path to the Scala file
+            content: File content string
+            repo_dir: Repository base directory
+        """
+        from codewiki.src.be.dependency_analyzer.analyzers.scala import analyze_scala_file
+
+        try:
+            functions, relationships = analyze_scala_file(file_path, content, repo_path=repo_dir)
+
+            for func in functions:
+                func_id = func.id if func.id else f"{file_path}:{func.name}"
+                self.functions[func_id] = func
+
+            self.call_relationships.extend(relationships)
+        except Exception:
+            logger.exception(f"Failed to analyze Scala file {file_path}")
+
     def _resolve_call_relationships(self):
         """
         Resolve function call relationships across all languages.
@@ -804,6 +828,8 @@ def _generate_visualization_data(self) -> dict:
                 node_classes.append("lang-php")
             elif file_ext == ".rb":
                 node_classes.append("lang-ruby")
+            elif file_ext in [".scala", ".sc"]:
+                node_classes.append("lang-scala")
 
             cytoscape_elements.append(
                 {

codewiki/src/be/dependency_analyzer/analyzers/artifact.py

@@ -241,6 +241,7 @@ def is_artifact_file_node(node: Any) -> bool:
     "build.gradle.kts",
     "settings.gradle",
     "settings.gradle.kts",
+    "build.sbt",
     "Package.swift",
     "pubspec.yaml",
     "Pipfile",
@@ -293,7 +294,7 @@ def is_artifact_file_node(node: Any) -> bool:
     "Gruntfile.js",
     "Herebyfile.mjs",
 }
-_BUILD_EXTS = {".gn", ".gni", ".gradle", ".rake", ".mk", ".cmake", ".bzl", ".ninja"}
+_BUILD_EXTS = {".gn", ".gni", ".gradle", ".rake", ".mk", ".cmake", ".bzl", ".ninja", ".sbt"}
 _BUILD_CONFIG_RE = re.compile(r"^(webpack|rollup|vite|esbuild|tsup|babel)\.config\.[cm]?[jt]s$")
 _BUILD_TOPS = {"build", "rakelib", "cmake"}
 _TEST_INFRA_NAMES = {
@@ -427,6 +428,8 @@ def classify_artifact(
         ".cs",
         ".php",
         ".kt",
+        ".scala",
+        ".sc",
     }:
         if name in _TEST_INFRA_NAMES:
             return "test_infra"