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simulator.cpp
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simulator.cpp
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/* -*- C++ -*- */
/*******************************************************
SIMULATOR.C
Abstract class for simulation program
*******************************************************/
#include <stdio.h>
#include "simulator.h"
#include <stdlib.h>
inline void GoFatal() {
fprintf(stderr, "usage: -o output_file -t trace_file\n");
exit(-1);
}
inline char read_opt(char *s) {
if (s[0] != '-') GoFatal();
if (s[2] != '\0') GoFatal();
return s[1];
}
void simulator::read_args(int argc, char *argv[]) {
int f_o = -1;
int f_t = -1;
char c;
int base = 1;
argc--;
while (argc > 0) {
c = read_opt(argv[base]);
argc--;
base++;
switch (c) {
case 'o':
if (f_o != -1) GoFatal();
if (argc == 0) GoFatal();
fpout = fopen(argv[base], "w");
argc--;
base++;
f_o = 1;
break;
case 't':
if (f_t != -1) GoFatal();
if (argc == 0) GoFatal();
fptrc = fopen(argv[base], "w");
argc--;
base++;
f_t = 1;
break;
default :
GoFatal();
}
}
if (f_o == -1) fpout = stdout;
if (f_t == -1) fptrc = fpout;
}
simulator::simulator(int argc, char *argv[]) {
fptrc = NULL;
fpout = NULL;
read_args(argc, argv);
}