kirigaya/digital-vcd-parser
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no branches in digit parser

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This commit is contained in:
Aliaksei Chapyzhenka 2020-09-15 18:07:57 -07:00
parent 79ac78db85
commit 9d2ff1b9c7
1 changed files with 3 additions and 18 deletions
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21
vcd_spans.c
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@ -144,25 +144,10 @@ int onDigit(
vcd_parser_t* state,
const unsigned char* p,
const unsigned char* endp,
int value
int digit
) {
state->value *= 2;
state->mask *= 2;
switch (value) {
case 1: {
state->value += 1;
return 0;
}
case 2: {
state->mask += 1;
return 0;
}
case 3: {
state->value += 1;
state->mask += 1;
return 0;
}
}
state->value = (state->value << 1) + (digit & 1);
state->mask = (state->mask << 1) + ((digit >> 1) & 1);
return 0;
}