kirigaya/digital-vcd-parser
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support up to 128Kib vectors

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This commit is contained in:
Aliaksei Chapyzhenka 2020-09-16 01:09:20 -07:00
parent 4ed6dee171
commit 0aff9e1401
4 changed files with 66 additions and 15 deletions
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5
bin/build.js
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@ -33,8 +33,9 @@ const properties = {
triee: 'ptr', // trigger event emitter
lifee: 'ptr', // life cycle event emmiter
info: 'ptr',
value: 'i64', // value of the signal on change event
mask: 'i64', // mask (x, z) of the signal on change event
value: 'ptr', // value of the signal on change event
mask: 'ptr', // mask (x, z) of the signal on change event
digitCount: 'i32',
tmpStr: 'ptr',
stackPointer: 'i32',
id: 'ptr',

26
test/any.js
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File diff suppressed because one or more lines are too long

5
vcd.c
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@ -124,11 +124,16 @@ METHOD(init) {
static char triggerString [4096] = " ";
static char tmpStr [4096] = " ";
static uint64_t valueBuf [4096] = {};
static uint64_t maskBuf [4096] = {};
state->trigger = triggerString;
state->reason = "NO REASON";
state->napi_env = env;
state->tmpStr = tmpStr;
state->value = valueBuf;
state->mask = maskBuf;
state->digitCount = 0;
napi_value status;
ASSERT(status, napi_create_string_latin1(env, "declaration", NAPI_AUTO_LENGTH, &status))

45
vcd_spans.c
View File

@ -118,27 +118,31 @@ int idSpan(vcd_parser_t* state, const unsigned char* p, const unsigned char* end
napi_env env = state->napi_env;
if (stringEq((state->trigger), p, endp)) {
const uint8_t command = state->command;
uint64_t value = state->value;
uint64_t mask = state->mask;
uint64_t* value = state->value;
uint64_t* mask = state->mask;
if (command == 14) {
value = 0;
mask = 0;
value[0] = 0;
mask[0] = 0;
} else
if (command == 15) {
value = 1;
mask = 0;
value[0] = 1;
mask[0] = 0;
}
state->value = 0;
state->mask = 0;
const int valueWords = (state->digitCount >> 6) + 1;
napi_value undefined, eventName, aTime, aCommand, aValue, aMask, return_val;
ASSERT(undefined, napi_get_undefined(env, &undefined))
ASSERT(eventName, napi_create_string_latin1(env, (char*)p, (endp - p - 1), &eventName))
ASSERT(aTime, napi_create_int64(env, state->time, &aTime))
ASSERT(aCommand, napi_create_int32(env, command, &aCommand))
ASSERT(aValue, napi_create_bigint_uint64(env, value, &aValue))
ASSERT(aMask, napi_create_bigint_uint64(env, mask, &aMask))
ASSERT(aValue, napi_create_bigint_words(env, 0, valueWords, value, &aValue))
ASSERT(aMask, napi_create_bigint_words(env, 0, valueWords, mask, &aMask))
napi_value* argv[] = {&eventName, &aTime, &aCommand, &aValue, &aMask};
ASSERT(state->triee, napi_call_function(env, undefined, state->triee, 5, *argv, &return_val))
for (int i = 0; i < valueWords; i++) {
value[i] = 0;
mask[i] = 0;
}
state->digitCount = 0;
}
return 0;
}
@ -149,8 +153,25 @@ int onDigit(
const unsigned char* endp,
int digit
) {
state->value = (state->value << 1) + (digit & 1);
state->mask = (state->mask << 1) + ((digit >> 1) & 1);
unsigned int valueCin = (digit & 1);
unsigned int maskCin = ((digit >> 1) & 1);
unsigned int valueCout;
unsigned int maskCout;
uint64_t* value = state->value;
uint64_t* mask = state->mask;
const int valueWordsMinus = (state->digitCount >> 6);
for (int i = 0; i <= valueWordsMinus; i++) {
valueCout = value[i] >> 63;
value[i] = (value[i] << 1) + valueCin;
valueCin = valueCout;
maskCout = mask[i] >> 63;
mask[i] = (mask[i] << 1) + maskCin;
maskCin = maskCout;
}
state->digitCount += 1;
return 0;
}