static void
vcc_expr_fmt(struct vsb *d, int ind, const struct expr *e1)
{
char *p;
int i;
for (i = 0; i < ind; i++)
vsb_cat(d, " ");
p = vsb_data(e1->vsb);
while (*p != '\0') {
if (*p == '\n') {
vsb_putc(d, '\n');
if (p[1] != '\0') {
for (i = 0; i < ind; i++)
vsb_cat(d, " ");
}
p++;
continue;
}
if (*p != '\v') {
vsb_putc(d, *p);
p++;
continue;
}
p++;
switch(*p) {
case '+': ind += 2; break;
case '-': ind -= 2; break;
default:
assert(__LINE__ == 0);
}
p++;
}
}
static struct expr *
vcc_expr_edit(enum var_type fmt, const char *p, struct expr *e1,
struct expr *e2)
{
struct expr *e;
int nl = 1;
e = vcc_new_expr();
while (*p != '\0') {
if (*p == '\n') {
if (!nl)
vsb_putc(e->vsb, *p);
nl = 1;
p++;
continue;
}
nl = 0;
if (*p != '\v') {
vsb_putc(e->vsb, *p);
p++;
continue;
}
assert(*p == '\v');
p++;
switch(*p) {
case '+': vsb_cat(e->vsb, "\v+"); break;
case '-': vsb_cat(e->vsb, "\v-"); break;
case '1':
case '2':
if (*p == '1')
vsb_cat(e->vsb, vsb_data(e1->vsb));
else {
AN(e2);
vsb_cat(e->vsb, vsb_data(e2->vsb));
}
break;
default:
assert(__LINE__ == 0);
}
p++;
}
AZ(vsb_finish(e->vsb));
if (e1 != NULL)
e->t1 = e1->t1;
else if (e2 != NULL)
e->t1 = e2->t1;
if (e2 != NULL)
e->t2 = e2->t1;
else if (e1 != NULL)
e->t1 = e1->t1;
if ((e1 == NULL || e1->constant) && (e2 == NULL || e2->constant))
e->constant = 1;
vcc_delete_expr(e1);
vcc_delete_expr(e2);
e->fmt = fmt;
return (e);
}
//lint -e{818}
void
vtc_log(struct vtclog *vl, unsigned lvl, const char *fmt, ...)
{
CHECK_OBJ_NOTNULL(vl, VTCLOG_MAGIC);
AZ(pthread_mutex_lock(&vl->mtx));
assert(lvl < NLEAD);
vsb_clear(vl->vsb);
vsb_printf(vl->vsb, "%s %-4s ", lead[lvl], vl->id);
va_list ap;
va_start(ap, fmt);
(void)vsb_vprintf(vl->vsb, fmt, ap);
va_end(ap);
vsb_putc(vl->vsb, '\n');
vsb_finish(vl->vsb);
AZ(vsb_overflowed(vl->vsb));
vtc_log_emit(vl, lvl);
vsb_clear(vl->vsb);
AZ(pthread_mutex_unlock(&vl->mtx));
if (lvl == 0) {
vtc_error = 1;
if (pthread_self() != vtc_thread)
pthread_exit(NULL);
}
}
void
vcc_Expr(struct vcc *tl, enum var_type fmt)
{
struct expr *e;
struct token *t1;
assert(fmt != VOID);
t1 = tl->t;
vcc_expr0(tl, &e, fmt);
ERRCHK(tl);
if (fmt == STRING || fmt == STRING_LIST)
vcc_expr_tostring(&e, fmt);
if (!tl->err && fmt != e->fmt) {
vsb_printf(tl->sb, "Expression has type %s, expected %s\n",
vcc_Type(e->fmt), vcc_Type(fmt));
tl->err = 1;
}
if (!tl->err) {
if (e->fmt == STRING_LIST) {
e = vcc_expr_edit(STRING_LIST,
"\v+\n\v1,\nvrt_magic_string_end\v-", e, NULL);
}
vcc_expr_fmt(tl->fb, tl->indent, e);
vsb_putc(tl->fb, '\n');
} else {
if (t1 != tl->t)
vcc_ErrWhere2(tl, t1, tl->t);
}
vcc_delete_expr(e);
}
/*
* Quote a string
*/
void
vsb_quote(struct vsb *s, const char *p, int len, int how)
{
const char *q;
int quote = 0;
(void)how; /* For future enhancements */
if (len == -1)
len = strlen(p);
for (q = p; q < p + len; q++) {
if (!isgraph(*q) || *q == '"' || *q == '\\') {
quote++;
break;
}
}
if (!quote) {
(void)vsb_bcat(s, p, len);
return;
}
(void)vsb_putc(s, '"');
for (q = p; q < p + len; q++) {
switch (*q) {
case ' ':
(void)vsb_putc(s, *q);
break;
case '\\':
case '"':
(void)vsb_putc(s, '\\');
(void)vsb_putc(s, *q);
break;
case '\n':
(void)vsb_cat(s, "\\n");
break;
case '\r':
(void)vsb_cat(s, "\\r");
break;
case '\t':
(void)vsb_cat(s, "\\t");
break;
default:
if (isgraph(*q))
(void)vsb_putc(s, *q);
else
(void)vsb_printf(s, "\\%o", *q & 0xff);
break;
}
}
(void)vsb_putc(s, '"');
}
