int
main(int argc, char **argv) {
char s1[] = " the \tinternet is a series of tubes ";
char s2[] = " \t\n";
char s3[] = " the \tinternet is not a series of tubes ";
char s4[] = " \t\n";
char s5[] = "8";
removewhitespace(s1);
removewhitespace(s2);
printf("Remove whitespace - s1: %s\n", s1);
printf("Remove whitespace - s2: %s\n", s2);
printtokens(tokenify(s3));
printtokens(tokenify(s4));
printtokens(tokenify(s5));
return 0;
}
int main(int argc, char **argv)
{
char *filenamein = NULL;
char *filenameout = NULL;
char *inputstr = NULL;
token *tokenlist = NULL;
term *ast = NULL;
int numtokens = 0;
/* If argc < 3, we don't have 2 files at least as arguments */
if(argc < 3)
{
/* Show usage for the uninformed. */
help(argv[0]);
exit(-1);
}
else if(argc > 3) /* If we have more than 3, there's probably flags specified */
{
getargs(argc, argv);
} /* If args >= 3, the last two must be the input file and the output file. */
filenamein = argv[argc - 2];
filenameout = argv[argc - 1];
inputstr = getfile(filenamein);
/* Lex the input string. If numtokens < 0, there's an issue. */
numtokens = lex(inputstr, &tokenlist);
free(inputstr);
if(numtokens == -1 || (tokenlist == NULL && numtokens > 0))
{
puts("A lexing error occured.");
exit(-1);
}
/* If -l is specified (currently default) show the result of the lex */
if(FLAGS & SHOWLEX)
{
printtokens(tokenlist, numtokens);
}
/*parse(tokenlist, numtokens, &ast);*/
int perr = prog(tokenlist, numtokens, &ast);
if(perr)
puts("parsing error");
if(FLAGS & SHOWPARSE)
{
printast(ast, numtokens);
}
codegen(ast, filenameout);
if(tokenlist != NULL)
{
freetokens(&tokenlist, numtokens);
}
if(ast != NULL)
{
freeast(&ast);
}
exit(0);
}