38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
from typing import Type, Optional, List
|
|
import functools
|
|
|
|
from .base import Simulator
|
|
from .questa import Questa
|
|
from .xilinx import Xilinx
|
|
from .stub import StubSimulator
|
|
|
|
ALL_SIMULATORS: List[Simulator]
|
|
ALL_SIMULATORS = [
|
|
Questa,
|
|
Xilinx,
|
|
StubSimulator,
|
|
]
|
|
|
|
@functools.lru_cache()
|
|
def get_simulator_cls(name: str) -> Optional[Type[Simulator]]:
|
|
if name == "skip":
|
|
return None
|
|
|
|
if name == "auto":
|
|
# Find the first simulator that is installed
|
|
for sim_cls in ALL_SIMULATORS:
|
|
if sim_cls is StubSimulator:
|
|
# Never offer the stub as an automatic option
|
|
continue
|
|
if sim_cls.is_installed():
|
|
return sim_cls
|
|
raise ValueError("Could not find any installed simulators")
|
|
|
|
# Look up which explicit simulator name was specified
|
|
for sim_cls in ALL_SIMULATORS:
|
|
if sim_cls.name == name:
|
|
if not sim_cls.is_installed():
|
|
raise ValueError("Simulator '%s' is not installed" % sim_cls.name)
|
|
return sim_cls
|
|
raise RuntimeError
|