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Remove debug code (Day18 part 1, C)

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This commit is contained in:
Bruno Raoult
2021-07-19 18:09:27 +02:00
parent 493c5089b3
commit 0501335642
4 changed files with 18 additions and 61 deletions
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55
day18/ex1-c.c
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@@ -16,20 +16,16 @@
static long eval_expr();
static char *saveptr=NULL;
static long get_tok() //, char **saveptr, long *res)
static long get_tok()
{
char *p, c;
long val=0;
//printf("%s(%p, %p)\n", __func__, ptr, *saveptr);
p=saveptr;
//printf("%s: str=[%s]\n", __func__, p);
while (!val) {
c=*p;
//printf(" %s: c=[%c] str=[%s]\n", __func__, c, p);
switch (c) {
case ' ':
//case '\n':
break;
case '(':
val=T_SUB;
@@ -39,6 +35,7 @@ static long get_tok() //, char **saveptr, long *res)
break;
case ')':
case '\n':
case '\0':
val=T_END;
break;
case '*':
@@ -53,9 +50,7 @@ static long get_tok() //, char **saveptr, long *res)
break;
}
while (DIGIT(c)) {
//printf(" int parse: c=[%c] val=%d\n", c, val);
val=(val*10 + c - '0');
//printf(" -> val=%d\n", val);
p++;
c=*p;
}
@@ -65,35 +60,8 @@ static long get_tok() //, char **saveptr, long *res)
p++;
}
saveptr=p;
//printf("%s END: str=[%s] val=%ld p=[%s]\n", __func__, p, val, *saveptr);
return val;
}
static char* debug_tok(long tok)
{
static char res[32];
switch (tok) {
case T_END:
sprintf (res, "T_END");
break;
case T_PLUS:
sprintf (res, "T_PLUS");
break;
case T_MULT:
sprintf (res, "T_MULT");
break;
case T_ERR:
sprintf (res, "T_ERR");
break;
case T_SUB:
sprintf (res, "T_SUB");
break;
default:
sprintf (res, "TNUM[%ld]", tok);
break;
}
return res;
}
static long eval_expr()
{
@@ -102,12 +70,9 @@ static long eval_expr()
res=get_tok();
left=res;
printf("--->EVAL TOK=: %ld tag=%s \n", res, debug_tok(res));
while (res!=T_ERR && res!=T_END) {
switch (res) {
case T_END:
//printf ("RETURNING: %ld\n", left);
//return left;
goto end;
break;
case T_PLUS:
@@ -116,14 +81,9 @@ static long eval_expr()
break;
case T_ERR:
left=res;
//return T_ERR;
goto end;
break;
//case T_SUB:
//sprintf (res, "T_SUB");
//break;
default:
//printf ("DEFAULT(left=%ld, res=%ld)\n" , left, res);
switch (op) {
case T_PLUS:
left+=res;
@@ -132,17 +92,11 @@ static long eval_expr()
left*=res;
break;
}
printf ("DEFAULT(left=%ld, res=%ld) - " , left, res);
printf ("New left: %ld\n", left);
break;
}
res=get_tok();
printf("get_tok: %ld tag=%s \n", res, debug_tok(res));
// printf("get_tok: %ld tag=%s \n", res, debug_tok(res));
}
end:
printf ("RETURNING: %ld\n", left);
return left;
}
@@ -154,14 +108,9 @@ int main(ac, av)
long res=0, tmp;
while (fgets(line, sizeof line, stdin)) {
//*(line+strlen(line)-1)=0;
saveptr=line;
//printf("get_tok: %ld tag=%s \n", res, debug_tok(res));
tmp=eval_expr();
printf("EXPR=%s\n", debug_tok(tmp));
res+=tmp;
//} while (res!=T_ERR && res!=T_END);
//res+=build_tree(line, &pnext);
}
printf("%s : res=%ld\n", *av, res);
exit (0);