def _create_primitives():
global binary, ident, rvalue, number, quoted_string, semi, time_interval, slot_id, comp, config_type, stream, comment, stream_trigger, selector
if ident is not None:
return
semi = Literal(u';').suppress()
ident = Word(alphas+u"_", alphas + nums + u"_")
number = Regex(u'((0x[a-fA-F0-9]+)|[+-]?[0-9]+)').setParseAction(lambda s, l, t: [int(t[0], 0)])
binary = Regex(u'hex:([a-fA-F0-9][a-fA-F0-9])+').setParseAction(lambda s, l, t: [unhexlify(t[0][4:])])
quoted_string = dblQuotedString
comment = Literal('#') + restOfLine
rvalue = number | quoted_string
# Convert all time intervals into an integer number of seconds
time_unit_multipliers = {
u'second': 1,
u'seconds': 1,
u'minute': 60,
u'minutes': 60,
u'hour': 60*60,
u'hours': 60*60,
u'day': 60*60*24,
u'days': 60*60*24,
u'month': 60*60*24*30,
u'months': 60*60*24*30,
u'year': 60*60*24*365,
u'years': 60*60*24*365,
}
config_type = oneOf('uint8_t uint16_t uint32_t int8_t int16_t int32_t uint8_t[] uint16_t[] uint32_t[] int8_t[] int16_t[] int32_t[] string binary')
comp = oneOf('> < >= <= == ~=')
time_unit = oneOf(u"second seconds minute minutes hour hours day days week weeks month months year years")
time_interval = (number + time_unit).setParseAction(lambda s, l, t: [t[0]*time_unit_multipliers[t[1]]])
slot_id = Literal(u"controller") | (Literal(u'slot') + number)
slot_id.setParseAction(lambda s,l,t: [SlotIdentifier.FromString(u' '.join([str(x) for x in t]))])
stream_modifier = Literal("system") | Literal("user") | Literal("combined")
stream = Optional(Literal("system")) + oneOf("buffered unbuffered input output counter constant") + number + Optional(Literal("node"))
stream.setParseAction(lambda s,l,t: [DataStream.FromString(u' '.join([str(x) for x in t]))])
all_selector = Optional(Literal("all")) + Optional(stream_modifier) + oneOf("buffered unbuffered inputs outputs counters constants") + Optional(Literal("nodes"))
all_selector.setParseAction(lambda s,l,t: [DataStreamSelector.FromString(u' '.join([str(x) for x in t]))])
one_selector = Optional(Literal("system")) + oneOf("buffered unbuffered input output counter constant") + number + Optional(Literal("node"))
one_selector.setParseAction(lambda s,l,t: [DataStreamSelector.FromString(u' '.join([str(x) for x in t]))])
selector = one_selector | all_selector
trigger_comp = oneOf('> < >= <= ==')
stream_trigger = Group((Literal(u'count') | Literal(u'value')) + Literal(u'(').suppress() - stream - Literal(u')').suppress() - trigger_comp - number).setResultsName('stream_trigger')
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