Fix Optimizable Functions issue and add error logs

Author: Saga4

codeflash/lsp/beta.py

@@ -36,27 +36,65 @@ def get_optimizable_functions(
     server: CodeflashLanguageServer, params: OptimizableFunctionsParams
 ) -> dict[str, list[str]]:
     file_path = Path(uris.to_fs_path(params.textDocument.uri))
-    server.optimizer.args.file = file_path
-    server.optimizer.args.previous_checkpoint_functions = False
-    optimizable_funcs, _ = server.optimizer.get_optimizable_functions()
-    path_to_qualified_names = {}
-    for path, functions in optimizable_funcs.items():
-        path_to_qualified_names[path.as_posix()] = [func.qualified_name for func in functions]
-    return path_to_qualified_names
+    server.show_message_log(f"Getting optimizable functions for: {file_path}", "Info")
+    
+    # Save original args to restore later
+    original_file = getattr(server.optimizer.args, 'file', None)
+    original_function = getattr(server.optimizer.args, 'function', None)
+    original_checkpoint = getattr(server.optimizer.args, 'previous_checkpoint_functions', None)
+    
+    server.show_message_log(f"Original args - file: {original_file}, function: {original_function}", "Info")
+    
+    try:
+        # Set temporary args for this request only
+        server.optimizer.args.file = file_path
+        server.optimizer.args.function = None  # Always get ALL functions, not just one
+        server.optimizer.args.previous_checkpoint_functions = False
+        
+        server.show_message_log("Calling get_optimizable_functions...", "Info")
+        optimizable_funcs, _ = server.optimizer.get_optimizable_functions()
+        
+        path_to_qualified_names = {}
+        for path, functions in optimizable_funcs.items():
+            path_to_qualified_names[path.as_posix()] = [func.qualified_name for func in functions]
+        
+        server.show_message_log(f"Found {len(path_to_qualified_names)} files with functions: {path_to_qualified_names}", "Info")
+        return path_to_qualified_names
+    finally:
+        # Restore original args to prevent state corruption
+        if original_file is not None:
+            server.optimizer.args.file = original_file
+        if original_function is not None:
+            server.optimizer.args.function = original_function
+        else:
+            server.optimizer.args.function = None
+        if original_checkpoint is not None:
+            server.optimizer.args.previous_checkpoint_functions = original_checkpoint
+        
+        server.show_message_log(f"Restored args - file: {server.optimizer.args.file}, function: {server.optimizer.args.function}", "Info")
 
 
 @server.feature("initializeFunctionOptimization")
 def initialize_function_optimization(
     server: CodeflashLanguageServer, params: FunctionOptimizationParams
 ) -> dict[str, str]:
     file_path = Path(uris.to_fs_path(params.textDocument.uri))
+    server.show_message_log(f"Initializing optimization for function: {params.functionName} in {file_path}", "Info")
+    
+    # IMPORTANT: Store the specific function for optimization, but don't corrupt global state
     server.optimizer.args.function = params.functionName
     server.optimizer.args.file = file_path
+    
+    server.show_message_log(f"Args set - function: {server.optimizer.args.function}, file: {server.optimizer.args.file}", "Info")
+    
     optimizable_funcs, _ = server.optimizer.get_optimizable_functions()
     if not optimizable_funcs:
+        server.show_message_log(f"No optimizable functions found for {params.functionName}", "Warning")
         return {"functionName": params.functionName, "status": "not found", "args": None}
+    
     fto = optimizable_funcs.popitem()[1][0]
     server.optimizer.current_function_being_optimized = fto
+    server.show_message_log(f"Successfully initialized optimization for {params.functionName}", "Info")
     return {"functionName": params.functionName, "status": "success"}
 
 
@@ -139,7 +177,12 @@ def generate_tests(server: CodeflashLanguageServer, params: FunctionOptimization
 def perform_function_optimization(
     server: CodeflashLanguageServer, params: FunctionOptimizationParams
 ) -> dict[str, str]:
+    server.show_message_log(f"Starting optimization for function: {params.functionName}", "Info")
     current_function = server.optimizer.current_function_being_optimized
+    
+    if not current_function:
+        server.show_message_log(f"No current function being optimized for {params.functionName}", "Error")
+        return {"functionName": params.functionName, "status": "error", "message": "No function currently being optimized"}
 
     module_prep_result = server.optimizer.prepare_module_for_optimization(current_function.file_path)
 
@@ -214,19 +257,27 @@ def perform_function_optimization(
     )
 
     if not best_optimization:
+        server.show_message_log(f"No best optimizations found for function {function_to_optimize_qualified_name}", "Warning")
         return {
             "functionName": params.functionName,
             "status": "error",
             "message": f"No best optimizations found for function {function_to_optimize_qualified_name}",
         }
 
     optimized_source = best_optimization.candidate.source_code
+    speedup = original_code_baseline.runtime / best_optimization.runtime
+    
+    server.show_message_log(f"Optimization completed for {params.functionName} with {speedup:.2f}x speedup", "Info")
+    
+    # CRITICAL: Clear the function filter after optimization to prevent state corruption
+    server.optimizer.args.function = None
+    server.show_message_log("Cleared function filter to prevent state corruption", "Info")
 
     return {
         "functionName": params.functionName,
         "status": "success",
         "message": "Optimization completed successfully",
-        "extra": f"Speedup: {original_code_baseline.runtime / best_optimization.runtime:.2f}x faster",
+        "extra": f"Speedup: {speedup:.2f}x faster",
         "optimization": optimized_source,
     }