mod_export void
makezleparams(int ro)
{
struct zleparam *zp;
for(zp = zleparams; zp->name; zp++) {
Param pm = createparam(zp->name, (zp->type |PM_SPECIAL|PM_REMOVABLE|
PM_LOCAL|(ro ? PM_READONLY : 0)));
if (!pm)
pm = (Param) paramtab->getnode(paramtab, zp->name);
DPUTS(!pm, "param not set in makezleparams");
pm->level = locallevel + 1;
pm->u.data = zp->data;
switch(PM_TYPE(zp->type)) {
case PM_SCALAR:
pm->gsu.s = zp->gsu;
break;
case PM_ARRAY:
pm->gsu.a = (GsuArray)zp->gsu;
break;
case PM_INTEGER:
pm->gsu.i = (GsuInteger)zp->gsu;
pm->base = 10;
break;
}
if ((zp->type & PM_UNSET) && (zmod.flags & MOD_MULT))
pm->node.flags &= ~PM_UNSET;
}
}
static void
addcompparams(struct compparam *cp, Param *pp)
{
for (; cp->name; cp++, pp++) {
Param pm = createparam(cp->name,
cp->type |PM_SPECIAL|PM_REMOVABLE|PM_LOCAL);
if (!pm)
pm = (Param) paramtab->getnode(paramtab, cp->name);
DPUTS(!pm, "param not set in addcompparams");
*pp = pm;
pm->level = locallevel + 1;
if ((pm->u.data = cp->var)) {
switch(PM_TYPE(cp->type)) {
case PM_SCALAR:
pm->gsu.s = &compvarscalar_gsu;
break;
case PM_INTEGER:
pm->gsu.i = &compvarinteger_gsu;
pm->base = 10;
break;
case PM_ARRAY:
pm->gsu.a = &compvararray_gsu;
break;
}
} else {
pm->gsu.s = cp->gsu;
}
}
}
static int
is_private(Param pm)
{
switch (PM_TYPE(pm->node.flags)) {
case PM_SCALAR:
if (!pm->gsu.s || pm->gsu.s->unsetfn != pps_unsetfn)
return 0;
break;
case PM_INTEGER:
if (!pm->gsu.i || pm->gsu.i->unsetfn != ppi_unsetfn)
return 0;
break;
case PM_EFLOAT:
case PM_FFLOAT:
if (!pm->gsu.f || pm->gsu.f->unsetfn != ppf_unsetfn)
return 0;
break;
case PM_ARRAY:
if (!pm->gsu.a || pm->gsu.a->unsetfn != ppa_unsetfn)
return 0;
break;
case PM_HASHED:
if (!pm->gsu.h || pm->gsu.h->unsetfn != pph_unsetfn)
return 0;
break;
default:
/* error */
return 0;
}
return 1;
}
static void
makeprivate(HashNode hn, UNUSED(int flags))
{
Param pm = (Param)hn;
if (pm->level == locallevel) {
if (pm->ename || (pm->node.flags & PM_NORESTORE) ||
(pm->old &&
(pm->old->level == locallevel - 1 ||
((pm->node.flags & (PM_SPECIAL|PM_REMOVABLE)) == PM_SPECIAL &&
/* typeset_single() line 2300 discards PM_REMOVABLE -- why? */
!is_private(pm->old))))) {
zwarnnam("private", "can't change scope of existing param: %s",
pm->node.nam);
makeprivate_error = 1;
return;
}
struct gsu_closure *gsu = zhalloc(sizeof(struct gsu_closure));
switch (PM_TYPE(pm->node.flags)) {
case PM_SCALAR:
gsu->g = (void *)(pm->gsu.s);
gsu->u.s = scalar_private_gsu;
pm->gsu.s = (GsuScalar)gsu;
break;
case PM_INTEGER:
gsu->g = (void *)(pm->gsu.i);
gsu->u.i = integer_private_gsu;
pm->gsu.i = (GsuInteger)gsu;
break;
case PM_EFLOAT:
case PM_FFLOAT:
gsu->g = (void *)(pm->gsu.f);
gsu->u.f = float_private_gsu;
pm->gsu.f = (GsuFloat)gsu;
break;
case PM_ARRAY:
gsu->g = (void *)(pm->gsu.a);
gsu->u.a = array_private_gsu;
pm->gsu.a = (GsuArray)gsu;
break;
case PM_HASHED:
gsu->g = (void *)(pm->gsu.h);
gsu->u.h = hash_private_gsu;
pm->gsu.h = (GsuHash)gsu;
break;
default:
makeprivate_error = 1;
break;
}
/* PM_HIDE so new parameters in deeper scopes do not shadow */
pm->node.flags |= (PM_HIDE|PM_SPECIAL|PM_REMOVABLE);
pm->level -= 1;
}
}
static void
compunsetfn(Param pm, int exp)
{
if (exp) {
if (pm->u.data) {
if (PM_TYPE(pm->node.flags) == PM_SCALAR) {
zsfree(*((char **) pm->u.data));
*((char **) pm->u.data) = ztrdup("");
} else if (PM_TYPE(pm->node.flags) == PM_ARRAY) {
freearray(*((char ***) pm->u.data));
*((char ***) pm->u.data) = zshcalloc(sizeof(char *));
} else if (PM_TYPE(pm->node.flags) == PM_HASHED) {
deleteparamtable(pm->u.hash);
pm->u.hash = NULL;
}
}
} else if (PM_TYPE(pm->node.flags) == PM_HASHED) {
Param *p;
int i;
deletehashtable(pm->u.hash);
pm->u.hash = NULL;
for (p = compkpms, i = CP_KEYPARAMS; i--; p++)
*p = NULL;
}
if (!exp) {
Param *p;
int i;
for (p = comprpms, i = CP_REALPARAMS; i; p++, i--)
if (*p == pm) {
*p = NULL;
break;
}
}
}
static int
bin_vared(char *name, char **args, Options ops, UNUSED(int func))
{
char *s, *t, *ova = varedarg;
struct value vbuf;
Value v;
Param pm = 0;
int ifl;
int type = PM_SCALAR, obreaks = breaks, haso = 0, oSHTTY = 0;
char *p1, *p2, *main_keymapname, *vicmd_keymapname, *init, *finish;
Keymap main_keymapsave = NULL, vicmd_keymapsave = NULL;
FILE *oshout = NULL;
if ((interact && unset(USEZLE)) || !strcmp(term, "emacs")) {
zwarnnam(name, "ZLE not enabled");
return 1;
}
if (zleactive) {
zwarnnam(name, "ZLE cannot be used recursively (yet)");
return 1;
}
if (OPT_ISSET(ops,'A'))
{
if (OPT_ISSET(ops, 'a'))
{
zwarnnam(name, "specify only one of -a and -A");
return 1;
}
type = PM_HASHED;
}
else if (OPT_ISSET(ops,'a'))
type = PM_ARRAY;
p1 = OPT_ARG_SAFE(ops,'p');
p2 = OPT_ARG_SAFE(ops,'r');
main_keymapname = OPT_ARG_SAFE(ops,'M');
vicmd_keymapname = OPT_ARG_SAFE(ops,'m');
init = OPT_ARG_SAFE(ops,'i');
finish = OPT_ARG_SAFE(ops,'f');
if (type != PM_SCALAR && !OPT_ISSET(ops,'c')) {
zwarnnam(name, "-%s ignored", type == PM_ARRAY ? "a" : "A");
}
/* handle non-existent parameter */
s = args[0];
queue_signals();
v = fetchvalue(&vbuf, &s, (!OPT_ISSET(ops,'c') || type == PM_SCALAR),
SCANPM_WANTKEYS|SCANPM_WANTVALS|SCANPM_MATCHMANY);
if (!v && !OPT_ISSET(ops,'c')) {
unqueue_signals();
zwarnnam(name, "no such variable: %s", args[0]);
return 1;
} else if (v) {
if (*s) {
zwarnnam(name, "not an identifier: `%s'", args[0]);
return 1;
}
if (v->isarr) {
/* Array: check for separators and quote them. */
char **arr = getarrvalue(v), **aptr, **tmparr, **tptr;
tptr = tmparr = (char **)zhalloc(sizeof(char *)*(arrlen(arr)+1));
for (aptr = arr; *aptr; aptr++) {
int sepcount = 0, clen;
convchar_t c;
/*
* See if this word contains a separator character
* or backslash
*/
MB_METACHARINIT();
for (t = *aptr; *t; ) {
if (*t == '\\') {
t++;
sepcount++;
} else {
t += MB_METACHARLENCONV(t, &c);
if (WC_ZISTYPE(c, ISEP))
sepcount++;
}
}
if (sepcount) {
/* Yes, so allocate enough space to quote it. */
char *newstr, *nptr;
newstr = zhalloc(strlen(*aptr)+sepcount+1);
/* Go through string quoting separators */
MB_METACHARINIT();
for (t = *aptr, nptr = newstr; *t; ) {
if (*t == '\\') {
*nptr++ = '\\';
*nptr++ = *t++;
} else {
clen = MB_METACHARLENCONV(t, &c);
if (WC_ZISTYPE(c, ISEP))
*nptr++ = '\\';
while (clen--)
*nptr++ = *t++;
}
}
*nptr = '\0';
/* Stick this into the array of words to join up */
*tptr++ = newstr;
} else
*tptr++ = *aptr; /* No, keep original array element */
}
*tptr = NULL;
s = sepjoin(tmparr, NULL, 0);
} else {
s = ztrdup(getstrvalue(v));
}
unqueue_signals();
} else if (*s) {
unqueue_signals();
zwarnnam(name, "invalid parameter name: %s", args[0]);
return 1;
} else {
unqueue_signals();
s = ztrdup(s);
}
if (SHTTY == -1 || OPT_ISSET(ops,'t')) {
/* need to open /dev/tty specially */
oSHTTY = SHTTY;
if ((SHTTY = open(OPT_ISSET(ops,'t') ? OPT_ARG(ops,'t') : "/dev/tty",
O_RDWR|O_NOCTTY)) == -1) {
zwarnnam(name, "can't access terminal");
zsfree(s);
return 1;
}
if (!isatty(SHTTY)) {
zwarnnam(name, "%s: not a terminal", OPT_ARG(ops,'t'));
close(SHTTY);
SHTTY = oSHTTY;
zsfree(s);
return 1;
}
oshout = shout;
init_shout();
haso = 1;
}
/* edit the parameter value */
zpushnode(bufstack, s);
if (main_keymapname &&
savekeymap(name, "main", main_keymapname, &main_keymapsave))
main_keymapname = NULL;
if (vicmd_keymapname &&
savekeymap(name, "vicmd", vicmd_keymapname, &vicmd_keymapsave))
vicmd_keymapname = NULL;
varedarg = *args;
ifl = isfirstln;
if (OPT_ISSET(ops,'h'))
hbegin(2);
isfirstln = OPT_ISSET(ops,'e');
t = zleread(&p1, &p2, OPT_ISSET(ops,'h') ? ZLRF_HISTORY : 0, ZLCON_VARED,
init ? init : "zle-line-init",
finish ? finish : "zle-line-finish");
if (OPT_ISSET(ops,'h'))
hend(NULL);
isfirstln = ifl;
varedarg = ova;
restorekeymap(name, "main", main_keymapname, main_keymapsave);
restorekeymap(name, "vicmd", vicmd_keymapname, vicmd_keymapsave);
if (haso) {
fclose(shout); /* close(SHTTY) */
shout = oshout;
SHTTY = oSHTTY;
}
if (!t || errflag) {
/* error in editing */
errflag &= ~ERRFLAG_ERROR;
breaks = obreaks;
if (t)
zsfree(t);
return 1;
}
/* strip off trailing newline, if any */
if (t[strlen(t) - 1] == '\n')
t[strlen(t) - 1] = '\0';
/* final assignment of parameter value */
if (OPT_ISSET(ops,'c')) {
unsetparam(args[0]);
createparam(args[0], type);
}
queue_signals();
pm = (Param) paramtab->getnode(paramtab, args[0]);
if (pm && (PM_TYPE(pm->node.flags) & (PM_ARRAY|PM_HASHED))) {
char **a;
/*
* Use spacesplit with fourth argument 1: identify quoted separators,
* and unquote. This duplicates the string, so we still need to free.
*/
a = spacesplit(t, 1, 0, 1);
zsfree(t);
if (PM_TYPE(pm->node.flags) == PM_ARRAY)
setaparam(args[0], a);
else
sethparam(args[0], a);
} else
setsparam(args[0], t);
unqueue_signals();
return 0;
}
static mnumber
setmathvar(struct mathvalue *mvp, mnumber v)
{
Param pm;
if (mvp->pval) {
/*
* This value may have been hanging around for a while.
* Be ultra-paranoid in checking the variable is still valid.
*/
char *s = mvp->lval, *ptr;
Param pm;
DPUTS(!mvp->lval, "no variable name but variable value in math");
if ((ptr = strchr(s, '[')))
s = dupstrpfx(s, ptr - s);
pm = (Param) paramtab->getnode(paramtab, s);
if (pm == mvp->pval->pm) {
if (noeval)
return v;
setnumvalue(mvp->pval, v);
return v;
}
/* Different parameter, start again from scratch */
mvp->pval = NULL;
}
if (!mvp->lval) {
zerr("lvalue required");
v.type = MN_INTEGER;
v.u.l = 0;
return v;
}
if (noeval)
return v;
untokenize(mvp->lval);
pm = setnparam(mvp->lval, v);
if (pm) {
/*
* If we are performing an assignment, we return the
* number with the same type as the parameter we are
* assigning to, in the spirit of the way assignments
* in C work. Note this was a change to long-standing
* zsh behaviour.
*/
switch (PM_TYPE(pm->node.flags)) {
case PM_INTEGER:
if (v.type != MN_INTEGER) {
v.u.l = (zlong)v.u.d;
v.type = MN_INTEGER;
}
break;
case PM_EFLOAT:
case PM_FFLOAT:
if (v.type != MN_FLOAT) {
v.u.d = (double)v.u.l;
v.type = MN_FLOAT;
}
break;
}
}
return v;
}
void
printparamnode(HashNode hn, int printflags)
{
#ifdef ZSH_64_BIT_TYPE
static char llbuf[DIGBUFSIZE];
#endif
Param p = (Param) hn;
char *t, **u;
if (p->flags & PM_UNSET)
return;
/* Print the attributes of the parameter */
if (printflags & PRINT_TYPE) {
if (p->flags & PM_INTEGER)
printf("integer ");
if (p->flags & PM_ARRAY)
printf("array ");
if (p->flags & PM_LEFT)
printf("left justified %d ", p->ct);
if (p->flags & PM_RIGHT_B)
printf("right justified %d ", p->ct);
if (p->flags & PM_RIGHT_Z)
printf("zero filled %d ", p->ct);
if (p->flags & PM_LOWER)
printf("lowercase ");
if (p->flags & PM_UPPER)
printf("uppercase ");
if (p->flags & PM_READONLY)
printf("readonly ");
if (p->flags & PM_TAGGED)
printf("tagged ");
if (p->flags & PM_EXPORTED)
printf("exported ");
}
if (printflags & PRINT_NAMEONLY) {
zputs(p->nam, stdout);
putchar('\n');
return;
}
/* How the value is displayed depends *
* on the type of the parameter */
quotedzputs(p->nam, stdout);
putchar('=');
switch (PM_TYPE(p->flags)) {
case PM_SCALAR:
/* string: simple output */
if (p->gets.cfn && (t = p->gets.cfn(p)))
quotedzputs(t, stdout);
putchar('\n');
break;
case PM_INTEGER:
/* integer */
#ifdef ZSH_64_BIT_TYPE
convbase(llbuf, p->gets.ifn(p), 0);
puts(llbuf);
#else
printf("%ld\n", p->gets.ifn(p));
#endif
break;
case PM_ARRAY:
/* array */
putchar('(');
u = p->gets.afn(p);
if(*u) {
quotedzputs(*u++, stdout);
while (*u) {
putchar(' ');
quotedzputs(*u++, stdout);
}
}
printf(")\n");
break;
}
}
