int main(int argc, char *argv[]) {
char ofile[100] = "\0";
int c;
char text[100];
opterr = 0;
while ((c = getopt(argc, argv, "hvol:")) != -1)
switch (c) {
case 'v':
sprintf(text, "%s Version %d.%d\n", "Leaf Graph Language Compiler",
0, 1);
say(text, false);
return 0;
break;
case 'h':
fprintf(stdout, "%s", helptext);
return 0;
break;
case 'o':
sprintf(ofile, "%s", optarg);
break;
case 'l':
yylineno += atoi(optarg);
break;
case '?':
if (optopt == 'o' || optopt == 'l') {
sprintf(text, "option -%c requires an argument.\n", optopt);
say(text, false);
return 0;
} else if (isprint(optopt)) {
sprintf(text, "unknown option `-%c'.\n", optopt);
say(text);
} else {
sprintf(text, "unknown option character `\\x%x'.\n", optopt);
say(text);
}
return 1;
}
if (argc - optind > 1) {
say("too many arguments \n");
return 1;
} else if (argc - optind < 1) {
say("no input files \n");
return 1;
}
if (ofile[0] == '\0') {
strcat(ofile, argv[optind]);
strcat(ofile, ".dot");
}
fid = fopen(argv[optind], "r");
if (!fid) {
sprintf(text, "Error opening file: %s\n", argv[optind]);
say(text);
return 1;
}
protname = argv[optind];
Graph *res;
f->setEnv(symboltable);
yydebug = 0;
f->setStream(fid);
cs.push(*f);
try {
res = (Graph *) &(cs.Run());
} catch (int) {
return (1);
}
res->toDot(ofile);
return 0;
}
