import llvmlite.binding as llvm
import llvmlite.ir as ir

class CodeGenerator:
    def __init__(self):
        # Initialiser LLVM
        llvm.initialize()
        llvm.initialize_native_target()
        llvm.initialize_native_asmprinter()
        
        # Créer le module
        self.module = ir.Module(name="loka_module")
        self.builder = None
        self.function = None
        
    def generate(self, ast):
        """Génère le code LLVM à partir de l'AST"""
        return self._generate_node(ast)
    
    def _generate_node(self, node):
        if node.type == 'PROGRAM':
            return self._generate_program(node)
        elif node.type == 'FUNCTION':
            return self._generate_function(node)
        elif node.type == 'MATRIX_OP':
            return self._generate_matrix_operation(node)
    
    def _generate_matrix_operation(self, node):
        """Support spécial pour les opérations matricielles optimisées"""
        # Utilisation de BLAS/LAPACK pour les opérations matricielles
        if node.value == 'multiply':
            return self._generate_matrix_multiply(node)
        elif node.value == 'add':
            return self._generate_matrix_add(node)
        
    def optimize(self, module):
        """Optimise le code généré"""
        pass_manager = llvm.create_pass_manager_builder()
        pass_manager.opt_level = 3  # Niveau d'optimisation maximum
        pass_manager.size_level = 0
        pass_manager.loop_vectorize = True
        pass_manager.slp_vectorize = True
        return pass_manager.run(module)
