def interpret(self):
self.continuation.context.restart()
task_context = TaskContext(self.continuation.context, self)
task_context.bind_tasklocal_identifier("spawn", LambdaFunction(lambda x: self.spawn_func(x[0], x[1])))
task_context.bind_tasklocal_identifier("spawn_exec", LambdaFunction(lambda x: self.spawn_exec_func(x[0], x[1], x[2])))
task_context.bind_tasklocal_identifier("__star__", LambdaFunction(lambda x: self.lazy_dereference(x[0])))
task_context.bind_tasklocal_identifier("int", SafeLambdaFunction(lambda x: int(x[0]), self))
task_context.bind_tasklocal_identifier("range", SafeLambdaFunction(lambda x: range(*x), self))
task_context.bind_tasklocal_identifier("len", SafeLambdaFunction(lambda x: len(x[0]), self))
task_context.bind_tasklocal_identifier("has_key", SafeLambdaFunction(lambda x: x[1] in x[0], self))
task_context.bind_tasklocal_identifier("get_key", SafeLambdaFunction(lambda x: x[0][x[1]] if x[1] in x[0] else x[2], self))
task_context.bind_tasklocal_identifier("exec", LambdaFunction(lambda x: self.exec_func(x[0], x[1], x[2])))
task_context.bind_tasklocal_identifier("ref", LambdaFunction(lambda x: self.make_reference(x)))
#task_context.bind_tasklocal_identifier("is_future", LambdaFunction(lambda x: self.is_future(x[0])))
#task_context.bind_tasklocal_identifier("is_error", LambdaFunction(lambda x: self.is_error(x[0])))
#task_context.bind_tasklocal_identifier("abort", LambdaFunction(lambda x: self.abort_production(x[0])))
#task_context.bind_tasklocal_identifier("task_details", LambdaFunction(lambda x: self.get_task_details(x[0])))
#task_context.bind_tasklocal_identifier("select", LambdaFunction(lambda x: self.select_func(x[0]) if len(x) == 1 else self.select_func(x[0], x[1])))
visitor = StatementExecutorVisitor(task_context)
try:
self.result = visitor.visit(self.continuation.task_stmt, self.continuation.stack, 0)
# XXX: This is for the unusual case that we have a task fragment that runs to completion without returning anything.
# Could maybe use an ErrorRef here, but this might not be erroneous if, e.g. the interactive shell is used.
if self.result is None:
self.result = SWErrorReference(self.expected_outputs[0], 'NO_RETURN_VALUE', 'null')
except SelectException, se:
local_select_group = se.select_group
timeout = se.timeout
select_group = map(self.continuation.resolve_tasklocal_reference_with_ref, local_select_group)
cont_task_id = self.create_spawned_task_name()
cont_task_descriptor = {'task_id': str(cont_task_id),
'handler': 'swi',
'dependencies': {},
'select_group': select_group,
'select_timeout': timeout,
'expected_outputs': map(str, self.expected_outputs),
'save_continuation': self.save_continuation}
self.save_continuation = False
self.spawn_list.append(SpawnListEntry(cont_task_id, cont_task_descriptor, self.continuation))
def call(self, args_list, stack, stack_base, context):
safe_args = self.interpreter.do_eager_thunks(args_list)
return LambdaFunction.call(self, safe_args, stack, stack_base, context)
def __init__(self, function, interpreter):
LambdaFunction.__init__(self, function)
self.interpreter = interpreter
def call(self, args_list, stack, stack_base, context):
safe_args = self.interpreter.do_eager_thunks(args_list)
return LambdaFunction.call(self, safe_args, stack, stack_base, context)
def __init__(self, function, interpreter):
LambdaFunction.__init__(self, function)
self.interpreter = interpreter