Function arg_list_compile_python

src/engine/function.c:4735–4776

#ifdef HAVE_PYTHON

static struct arg_list * arg_list_compile_python( PyObject * bjam_signature,
    int * num_arguments )
{
    if ( bjam_signature )
    {
        struct argument_list_compiler c[ 1 ];
        struct arg_list * result;
        Py_ssize_t s;
        Py_ssize_t i;
        argument_list_compiler_init( c );

        s = PySequence_Size( bjam_signature );
        for ( i = 0; i < s; ++i )
        {
            struct argument_compiler arg_comp[ 1 ];
            struct arg_list arg;
            PyObject * v = PySequence_GetItem( bjam_signature, i );
            Py_ssize_t j;
            Py_ssize_t inner;
            argument_compiler_init( arg_comp );

            inner = PySequence_Size( v );
            for ( j = 0; j < inner; ++j )
                argument_compiler_add( arg_comp, object_new( PyString_AsString(
                    PySequence_GetItem( v, j ) ) ), constant_builtin, -1 );

            arg = arg_compile_impl( arg_comp, constant_builtin, -1 );
            dynamic_array_push( c->args, arg );
            argument_compiler_free( arg_comp );
            Py_DECREF( v );
        }

        *num_arguments = c->args->size;
        result = BJAM_MALLOC( c->args->size * sizeof( struct arg_list ) );
        memcpy( result, c->args->data, c->args->size * sizeof( struct arg_list )
            );
        argument_list_compiler_free( c );
        return result;
    }
    *num_arguments = 0;
    return 0;
}

FUNCTION * function_python( PyObject * function, PyObject * bjam_signature )
{