mirror of https://github.com/VLSIDA/OpenRAM.git
44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
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# See LICENSE for licensing information.
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#
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# Copyright (c) 2016-2023 Regents of the University of California and The Board
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# of Regents for the Oklahoma Agricultural and Mechanical College
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# (acting for and on behalf of Oklahoma State University)
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# All rights reserved.
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#
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from openram import debug
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class pin_spice:
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"""
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A class to represent a spice netlist pin.
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"""
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valid_pin_types = ["INOUT", "INPUT", "OUTPUT", "POWER", "GROUND"]
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def __init__(self, name, type):
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self.name = name
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self.set_type(type)
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self._hash = hash(self.name)
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def set_type(self, type):
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debug.check(type in pin_spice.valid_pin_types,
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"Invalid pin type for {0}: {1}".format(self.name, type))
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self.type = type
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def __str__(self):
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""" override print function output """
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return "(pin_name={} type={})".format(self.name, self.type)
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def __repr__(self):
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""" override repr function output """
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return self.name
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def __hash__(self):
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"""
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Implement the hash function for sets etc.
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Only hash name since spice does not allow two pins to share a name.
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Provides a speedup if pin_spice is used as a key for dicts.
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"""
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return self._hash
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