mirror of
https://github.com/Q3Rally-Team/q3rally.git
synced 2024-11-29 23:22:55 +00:00
104 lines
2 KiB
C
104 lines
2 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "cpp.h"
|
|
|
|
extern char *optarg;
|
|
extern int optind;
|
|
extern int verbose;
|
|
extern int Cplusplus;
|
|
Nlist *kwdefined;
|
|
char wd[128];
|
|
|
|
#define NLSIZE 128
|
|
|
|
static Nlist *nlist[NLSIZE];
|
|
|
|
struct kwtab {
|
|
char *kw;
|
|
int val;
|
|
int flag;
|
|
} kwtab[] = {
|
|
{"if", KIF, ISKW},
|
|
{"ifdef", KIFDEF, ISKW},
|
|
{"ifndef", KIFNDEF, ISKW},
|
|
{"elif", KELIF, ISKW},
|
|
{"else", KELSE, ISKW},
|
|
{"endif", KENDIF, ISKW},
|
|
{"include", KINCLUDE, ISKW},
|
|
{"define", KDEFINE, ISKW},
|
|
{"undef", KUNDEF, ISKW},
|
|
{"line", KLINE, ISKW},
|
|
{"warning", KWARNING, ISKW},
|
|
{"error", KERROR, ISKW},
|
|
{"pragma", KPRAGMA, ISKW},
|
|
{"eval", KEVAL, ISKW},
|
|
{"defined", KDEFINED, ISDEFINED+ISUNCHANGE},
|
|
{"__LINE__", KLINENO, ISMAC+ISUNCHANGE},
|
|
{"__FILE__", KFILE, ISMAC+ISUNCHANGE},
|
|
{"__DATE__", KDATE, ISMAC+ISUNCHANGE},
|
|
{"__TIME__", KTIME, ISMAC+ISUNCHANGE},
|
|
{"__STDC__", KSTDC, ISUNCHANGE},
|
|
{NULL}
|
|
};
|
|
|
|
unsigned long namebit[077+1];
|
|
Nlist *np;
|
|
|
|
void
|
|
setup_kwtab(void)
|
|
{
|
|
struct kwtab *kp;
|
|
Nlist *np;
|
|
Token t;
|
|
static Token deftoken[1] = {{ NAME, 0, 0, 0, 7, (uchar*)"defined" }};
|
|
static Tokenrow deftr = { deftoken, deftoken, deftoken+1, 1 };
|
|
|
|
for (kp=kwtab; kp->kw; kp++) {
|
|
t.t = (uchar*)kp->kw;
|
|
t.len = strlen(kp->kw);
|
|
np = lookup(&t, 1);
|
|
np->flag = kp->flag;
|
|
np->val = kp->val;
|
|
if (np->val == KDEFINED) {
|
|
kwdefined = np;
|
|
np->val = NAME;
|
|
np->vp = &deftr;
|
|
np->ap = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
Nlist *
|
|
lookup(Token *tp, int install)
|
|
{
|
|
unsigned int h;
|
|
Nlist *np;
|
|
uchar *cp, *cpe;
|
|
|
|
h = 0;
|
|
for (cp=tp->t, cpe=cp+tp->len; cp<cpe; )
|
|
h += *cp++;
|
|
h %= NLSIZE;
|
|
np = nlist[h];
|
|
while (np) {
|
|
if (*tp->t==*np->name && tp->len==np->len
|
|
&& strncmp((char*)tp->t, (char*)np->name, tp->len)==0)
|
|
return np;
|
|
np = np->next;
|
|
}
|
|
if (install) {
|
|
np = new(Nlist);
|
|
np->vp = NULL;
|
|
np->ap = NULL;
|
|
np->flag = 0;
|
|
np->val = 0;
|
|
np->len = tp->len;
|
|
np->name = newstring(tp->t, tp->len, 0);
|
|
np->next = nlist[h];
|
|
nlist[h] = np;
|
|
quickset(tp->t[0], tp->len>1? tp->t[1]:0);
|
|
return np;
|
|
}
|
|
return NULL;
|
|
}
|