void printCommandPrompt(void){
char stval[LIMIT];
if(getVar("$ShowTokens", stval, LIMIT) &&
strncmp("1", stval, LIMIT) == 0) {
printTokenList();
}
clearTokenList();
if(isatty(STDIN_FILENO)) {
printf("%s", prompt);
}
}
int main(int argc, char **argv)
{
// Pseudo command-line args; uncomment the following lines and replace the
// main function's signature with "int main(void)" in order to hard-code
// the file paths to input.txt and output.txt.
#if 0
int argc = 5;
char* argv[] = {"./plscan", "-i", "input.txt", "-o", "output.txt"};
#endif
char *finName = NULL;
char *foutName = NULL;
FILE *fin;
FILE *fout;
parseCommandLineArgs(argc, argv, &foutName, &finName,
"A scanner for the PL/0 language.");
fin = modified_fopen(finName, "r", stdin, NULL);
fout = modified_fopen(foutName, "w", stdout, NULL);
FileBuffer *file_buffer = createFileBuffer(fin);
fclose(fin);
TokenBuffer *token_buffer = tokenize(file_buffer);
fputs("Source Program:\n", fout);
printFileBuffer(file_buffer, fout);
fputs("\n", fout);
freeFileBuffer(file_buffer);
printTokenTable(token_buffer, fout);
fputs("\n", fout);
printTokenList(token_buffer, fout);
fputs("\n", fout);
fclose(fout);
freeTokenBuffer(token_buffer);
return EXIT_SUCCESS;
}
