import cli
def callback():
# print 'called'
cli.specify_vm_interrupt(simulator, cli.INTERRUPT_TIMER, 1)
cli.register_callback(simulator, callback)
#!/usr/bin/env python
"""
Main script that starts up the simulator's interface
"""
import sys
import cli
def empty_callback():
"""
Needed so Python can call PyErr_CheckSignals in case the user hits ^C.
We could also set a signal handler for SIGINT and call
vm_break_async_signal, which would be a lot faster, but we wouldn't be
able to interrupt any Python code (not from the C signal handler at least).
"""
banner = "Welcome to the simulator's debugging interface. Type help for help."
if __name__ == '__main__':
if len(sys.argv) != 2:
sys.stderr.write("Usage: %s program\n" % sys.argv[0])
else:
simulator_cli = cli.SimulatorCLI(sys.argv[1])
cli.register_callback(simulator_cli.simulator, empty_callback)
simulator_cli.simulator.load_plugins()
simulator_cli.cmdloop(banner)
"""
This is an example plugin that defines a callback which is called at every
step. 'simulator' is a global variable automatically available.
A plugin may inspect and alter the state of the simulation and may specify
new interrupts that should be triggered by using 'cli.specify_vm_interrupt'.
"""
import sys
import cli
def cycle_progress_bar():
import time; time.sleep(0.005)
sys.stdout.write('%s\r' % simulator.cycles)
sys.stdout.flush()
def specify_interrupt():
# Specify an interrupt that should be triggered after 1 cycle has passed
cli.specify_vm_interrupt(simulator, cli.INTERRUPT_TIMER, 1)
cli.register_callback(simulator, cycle_progress_bar)
cli.register_callback(simulator, specify_interrupt)
