digital-vcd-parser/vcd_spans.c
2019-11-10 18:00:18 -08:00

103 lines
3.2 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include "vcd_parser.h"
#include <node_api.h>
#define ASSERT(val, expr) \
if (expr != napi_ok) { \
napi_throw(env, val); \
}
int stringEq (
const unsigned char* gold, // search pattern
const unsigned char* p,
const unsigned char* endp
) {
unsigned char* i;
unsigned char* j;
i = gold;
j = p;
while (1) {
if (*i == ' ') { // end of search pattern
return 0;
}
while (*i == *j) { // follow matching trail
i++;
j++;
}
if ((*i == ' ') && (j == (endp - 1))) { // exact match
return 1;
}
while (*i != ' ') { // skip to the end of pattern word
i++;
}
i++;
j = p; // try another word
}
}
int commandSpan(vcd_parser_t* state, const unsigned char* p, const unsigned char* endp) {
napi_env env = state->napi_env;
if (state->command == 5) {
// printf(")");
return 0;
}
if (state->command == 8) { // $enddefinitions
napi_value status;
ASSERT(status, napi_create_string_latin1(env, "simulation", NAPI_AUTO_LENGTH, &status))
ASSERT(state->hier, napi_set_named_property(env, state->hier, "status", status))
napi_value undefined, eventName, eventPayload, return_val;
ASSERT(undefined, napi_get_undefined(env, &undefined))
ASSERT(eventName, napi_create_string_latin1(env, "$enddefinitions", NAPI_AUTO_LENGTH, &eventName))
// ASSERT(eventPayload, napi_create_string_latin1(env, "payload", NAPI_AUTO_LENGTH, &eventPayload))
napi_value* argv[] = { &eventName }; // , &eventPayload };
ASSERT(state->lifee, napi_call_function(env, undefined, state->lifee, 1, *argv, &return_val))
return 0;
}
return 0;
}
int scopeIdentifierSpan(vcd_parser_t* state, const unsigned char* p, const unsigned char* endp) {
// printf("(%d:%d", state->type, state->size);
return 0;
}
int varSizeSpan(vcd_parser_t* state, const unsigned char* p, const unsigned char* endp) {
state->size = strtol((const char *)p, (char **)&endp, 10);
return 0;
}
int varIdSpan(vcd_parser_t* state, const unsigned char* p, const unsigned char* endp) {
// printf(" %d", state->type);
return 0;
}
int idSpan(vcd_parser_t* state, const unsigned char* p, const unsigned char* endp) {
napi_env env = state->napi_env;
if (stringEq((state->trigger), p, endp)) {
napi_value undefined, eventName, eventPayload1, eventPayload2, return_val;
ASSERT(undefined, napi_get_undefined(env, &undefined))
ASSERT(eventName, napi_create_string_latin1(env, (char*)p, (endp - p - 1), &eventName))
ASSERT(eventPayload1, napi_create_int32(env, state->time, &eventPayload1))
ASSERT(eventPayload2, napi_create_int32(env, state->command, &eventPayload2))
napi_value* argv[] = { &eventName, &eventPayload1, &eventPayload2 };
ASSERT(state->triee, napi_call_function(env, undefined, state->triee, 3, *argv, &return_val))
// printf("{%.*s}", (int)(endp - p - 1), p);
}
return 0;
}
int vectorSpan(vcd_parser_t* state, const unsigned char* p, const unsigned char* endp) {
// printf("{%.*s}", (int)(endp - p - 1), p);
return 0;
}
int timeSpan(vcd_parser_t* state, const unsigned char* p, const unsigned char* endp) {
state->time = strtol((const char *)p, (char **)&endp, 10);
return 0;
}