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zsh/Src/Zle/compcore.c

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/*
* compcore.c - the complete module, completion core code
*
* This file is part of zsh, the Z shell.
*
* Copyright (c) 1999 Sven Wischnowsky
* All rights reserved.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and to distribute modified versions of this software for any
* purpose, provided that the above copyright notice and the following
* two paragraphs appear in all copies of this software.
*
* In no event shall Sven Wischnowsky or the Zsh Development Group be liable
* to any party for direct, indirect, special, incidental, or consequential
* damages arising out of the use of this software and its documentation,
* even if Sven Wischnowsky and the Zsh Development Group have been advised of
* the possibility of such damage.
*
* Sven Wischnowsky and the Zsh Development Group specifically disclaim any
* warranties, including, but not limited to, the implied warranties of
* merchantability and fitness for a particular purpose. The software
* provided hereunder is on an "as is" basis, and Sven Wischnowsky and the
* Zsh Development Group have no obligation to provide maintenance,
* support, updates, enhancements, or modifications.
*
*/
#include "complete.mdh"
#include "compcore.pro"
/* The last completion widget called. */
static Widget lastcompwidget;
/* Flags saying what we have to do with the result. */
/**/
int useexact, useline, uselist, forcelist, startauto;
/**/
mod_export int iforcemenu;
/* Non-zero if we should go back to the last prompt. */
/**/
mod_export int dolastprompt;
/* Non-zero if we should keep an old list. */
/**/
mod_export int oldlist, oldins;
/* Original prefix/suffix lengths. Flag saying if they changed. */
/**/
int origlpre, origlsuf, lenchanged;
/* This is used to decide when the cursor should be moved to the end of *
* the inserted word: 0 - never, 1 - only when a single match is inserted, *
* 2 - when a full match is inserted (single or menu), 3 - always. */
/**/
int movetoend;
/* The match and group number to insert when starting menucompletion. */
/**/
mod_export int insmnum, insspace;
#if 0
/* group-numbers in compstate[insert] */
int insgnum, insgroup; /* mod_export */
#endif
/* Information about menucompletion. */
/**/
mod_export struct menuinfo minfo;
/* Number of matches accepted with accept-and-menu-complete */
/**/
mod_export int menuacc;
/* Brace insertion stuff. */
/**/
int hasunqu, useqbr, brpcs, brscs;
/* Flags saying in what kind of string we are. */
/**/
mod_export int ispar, linwhat;
/* A parameter expansion prefix (like ${). */
/**/
char *parpre;
/* Flags for parameter expansions for new style completion. */
/**/
int parflags;
/* Match flags for all matches in this group. */
/**/
mod_export int mflags;
/* Flags saying how the parameter expression we are in is quoted. */
/**/
int parq, eparq;
/* We store the following prefixes/suffixes: *
* ipre,ripre -- the ignored prefix (quoted and unquoted) *
* isuf -- the ignored suffix */
/**/
mod_export char *ipre, *ripre, *isuf;
/* The list of matches. fmatches contains the matches we first ignore *
* because of fignore. */
/**/
mod_export LinkList matches;
/**/
LinkList fmatches;
/* This holds the list of matches-groups. lastmatches holds the last list of
* permanently allocated matches, pmatches is the same for the list
* currently built, amatches is the heap allocated stuff during completion
* (after all matches have been generated it is an alias for pmatches), and
* lmatches/lastlmatches is a pointer to the last element in the lists. */
/**/
mod_export Cmgroup lastmatches, pmatches, amatches, lmatches, lastlmatches;
/* Non-zero if we have permanently allocated matches (old and new). */
/**/
mod_export int hasoldlist, hasperm;
/* Non-zero if we have a match representing all other matches. */
/**/
int hasallmatch;
/* Non-zero if we have newly added matches. */
/**/
mod_export int newmatches;
/* Number of permanently allocated matches and groups. */
/**/
mod_export int permmnum, permgnum, lastpermmnum, lastpermgnum;
/* The total number of matches and the number of matches to be listed. */
/**/
mod_export int nmatches;
/**/
mod_export int smatches;
/* != 0 if more than one match and at least two different matches */
/**/
mod_export int diffmatches;
/* The number of messages. */
/**/
mod_export int nmessages;
/* != 0 if only explanation strings should be printed */
/**/
mod_export int onlyexpl;
/* Information about the matches for listing. */
/**/
mod_export struct cldata listdat;
/* This flag is non-zero if we are completing a pattern (with globcomplete) */
/**/
mod_export int ispattern, haspattern;
/* Non-zero if at least one match was added without/with -U. */
/**/
mod_export int hasmatched, hasunmatched;
/* The current group of matches. */
/**/
Cmgroup mgroup;
/* Match counter: all matches. */
/**/
mod_export int mnum;
/* The match counter when unambig_data() was called. */
/**/
mod_export int unambig_mnum;
/* Length of longest/shortest match. */
/**/
int maxmlen, minmlen;
/* This holds the explanation strings we have to print in this group and *
* a pointer to the current cexpl structure. */
/**/
LinkList expls;
/**/
mod_export Cexpl curexpl;
/* A stack of completion matchers to be used. */
/**/
mod_export Cmlist mstack;
/* The completion matchers used when building new stuff for the line. */
/**/
mod_export Cmlist bmatchers;
/* A list with references to all matchers we used. */
/**/
mod_export LinkList matchers;
/* A heap of free Cline structures. */
/**/
mod_export Cline freecl;
/* Ambiguous information. */
/**/
mod_export Aminfo ainfo, fainfo;
/* The memory heap to use for new style completion generation. */
/**/
mod_export Heap compheap;
/* A list of some data.
*
* Well, actually, it's the list of all compctls used so far, but since
* conceptually we don't know anything about compctls here... */
/**/
mod_export LinkList allccs;
/* This says what of the state the line is in when completion is started *
* came from a previous completion. If the FC_LINE bit is set, the *
* string was inserted. If FC_INWORD is set, the last completion moved *
* the cursor into the word although it was at the end of it when the *
* last completion was invoked. *
* This is used to detect if the string should be taken as an exact *
* match (see do_ambiguous()) and if the cursor has to be moved to the *
* end of the word before generating the completions. */
/**/
int fromcomp;
/* This holds the end-position of the last string inserted into the line. */
/**/
int lastend;
#define inststr(X) inststrlen((X),1,-1)
/* Main completion entry point, called from zle. */
/**/
int
do_completion(Hookdef dummy, Compldat dat)
{
int ret = 0, lst = dat->lst, incmd = dat->incmd, osl = showinglist;
char *s = dat->s;
char *opm;
LinkNode n;
pushheap();
ainfo = fainfo = NULL;
matchers = newlinklist();
zsfree(compqstack);
compqstack = ztrdup("\\");
if (instring == 2)
compqstack[0] = '"';
else if (instring)
compqstack[0] = '\'';
hasunqu = 0;
useline = (wouldinstab ? -1 : (lst != COMP_LIST_COMPLETE));
useexact = isset(RECEXACT);
zsfree(compexactstr);
compexactstr = ztrdup("");
uselist = (useline ?
((isset(AUTOLIST) && !isset(BASHAUTOLIST)) ?
(isset(LISTAMBIGUOUS) ? 3 : 2) : 0) : 1);
zsfree(comppatmatch);
opm = comppatmatch = ztrdup(useglob ? "*" : "");
zsfree(comppatinsert);
comppatinsert = ztrdup("menu");
forcelist = 0;
haspattern = 0;
complistmax = getiparam("LISTMAX");
zsfree(complastprompt);
complastprompt = ztrdup(((isset(ALWAYSLASTPROMPT) && zmult == 1) ||
(unset(ALWAYSLASTPROMPT) && zmult != 1)) ?
"yes" : "");
dolastprompt = 1;
zsfree(complist);
complist = ztrdup(isset(LISTROWSFIRST) ?
(isset(LISTPACKED) ? "packed rows" : "rows") :
(isset(LISTPACKED) ? "packed" : ""));
startauto = isset(AUTOMENU);
movetoend = ((cs == we || isset(ALWAYSTOEND)) ? 2 : 1);
showinglist = 0;
hasmatched = hasunmatched = 0;
minmlen = 1000000;
maxmlen = -1;
compignored = 0;
nmessages = 0;
hasallmatch = 0;
/* Make sure we have the completion list and compctl. */
if (makecomplist(s, incmd, lst)) {
/* Error condition: feeeeeeeeeeeeep(). */
cs = 0;
foredel(ll);
inststr(origline);
cs = origcs;
clearlist = 1;
ret = 1;
minfo.cur = NULL;
if (useline < 0)
ret = selfinsert(zlenoargs);
goto compend;
}
zsfree(lastprebr);
zsfree(lastpostbr);
lastprebr = lastpostbr = NULL;
if (comppatmatch && *comppatmatch && comppatmatch != opm)
haspattern = 1;
if (iforcemenu) {
if (nmatches)
do_ambig_menu();
ret = !nmatches;
} else if (useline < 0)
ret = selfinsert(zlenoargs);
else if (!useline && uselist) {
/* All this and the guy only wants to see the list, sigh. */
cs = 0;
foredel(ll);
inststr(origline);
cs = origcs;
showinglist = -2;
} else if (useline == 2 && nmatches > 1) {
do_allmatches(1);
minfo.cur = NULL;
if (forcelist)
showinglist = -2;
else
invalidatelist();
} else if (useline) {
/* We have matches. */
if (nmatches > 1 && diffmatches) {
/* There is more than one match. */
ret = do_ambiguous();
if (!showinglist && uselist && listshown && (usemenu == 2 || oldlist))
showinglist = osl;
} else if (nmatches == 1 || (nmatches > 1 && !diffmatches)) {
/* Only one match. */
Cmgroup m = amatches;
while (!m->mcount)
m = m->next;
minfo.cur = NULL;
minfo.asked = 0;
do_single(m->matches[0]);
if (forcelist) {
if (uselist)
showinglist = -2;
else
clearlist = 1;
} else
invalidatelist();
} else if (nmessages && forcelist) {
if (uselist)
showinglist = -2;
else
clearlist = 1;
}
} else {
invalidatelist();
if (forcelist)
clearlist = 1;
cs = 0;
foredel(ll);
inststr(origline);
cs = origcs;
}
/* Print the explanation strings if needed. */
if (!showinglist && validlist && usemenu != 2 && uselist &&
(nmatches != 1 || diffmatches) &&
useline >= 0 && useline != 2 && (!oldlist || !listshown)) {
onlyexpl = 3;
showinglist = -2;
}
compend:
for (n = firstnode(matchers); n; incnode(n))
freecmatcher((Cmatcher) getdata(n));
ll = strlen((char *)line);
if (cs > ll)
cs = ll;
popheap();
return ret;
}
/* Before and after hooks called by zle. */
static int oldmenucmp;
/**/
int
before_complete(Hookdef dummy, int *lst)
{
oldmenucmp = menucmp;
if (showagain && validlist)
showinglist = -2;
showagain = 0;
/* If we are doing a menu-completion... */
if (menucmp && *lst != COMP_LIST_EXPAND &&
(menucmp != 1 || !compwidget || compwidget == lastcompwidget)) {
do_menucmp(*lst);
return 1;
}
if (menucmp && validlist && *lst == COMP_LIST_COMPLETE) {
showinglist = -2;
onlyexpl = listdat.valid = 0;
return 1;
}
lastcompwidget = compwidget;
/* We may have to reset the cursor to its position after the *
* string inserted by the last completion. */
if ((fromcomp & FC_INWORD) && (cs = lastend) > ll)
cs = ll;
/* Check if we have to start a menu-completion (via automenu). */
if (startauto && lastambig &&
(!isset(BASHAUTOLIST) || lastambig == 2))
usemenu = 2;
return 0;
}
/**/
int
after_complete(Hookdef dummy, int *dat)
{
if (menucmp && !oldmenucmp) {
struct chdata cdat;
int ret;
cdat.matches = amatches;
cdat.num = nmatches;
cdat.nmesg = nmessages;
cdat.cur = NULL;
if ((ret = runhookdef(MENUSTARTHOOK, (void *) &cdat))) {
dat[1] = 0;
menucmp = menuacc = 0;
minfo.cur = NULL;
if (ret >= 2) {
fixsuffix();
cs = 0;
foredel(ll);
inststr(origline);
cs = origcs;
if (ret == 2) {
clearlist = 1;
invalidatelist();
}
}
}
}
return 0;
}
/* This calls the given completion widget function. */
static int parwb, parwe, paroffs;
/**/
static void
callcompfunc(char *s, char *fn)
{
Eprog prog;
int lv = lastval;
char buf[20];
if ((prog = getshfunc(fn)) != &dummy_eprog) {
char **p, *tmp;
int aadd = 0, usea = 1, icf = incompfunc, osc = sfcontext;
unsigned int rset, kset;
Param *ocrpms = comprpms, *ockpms = compkpms;
comprpms = (Param *) zalloc(CP_REALPARAMS * sizeof(Param));
compkpms = (Param *) zalloc(CP_KEYPARAMS * sizeof(Param));
rset = CP_ALLREALS;
kset = CP_ALLKEYS &
~(CP_PARAMETER | CP_REDIRECT | CP_QUOTE | CP_QUOTING |
CP_EXACTSTR | CP_OLDLIST | CP_OLDINS |
(useglob ? 0 : CP_PATMATCH));
zsfree(compvared);
if (varedarg) {
compvared = ztrdup(varedarg);
kset |= CP_VARED;
} else
compvared = ztrdup("");
if (!*complastprompt)
kset &= ~CP_LASTPROMPT;
zsfree(compcontext);
zsfree(compparameter);
zsfree(compredirect);
compparameter = compredirect = "";
if (ispar)
compcontext = (ispar == 2 ? "brace_parameter" : "parameter");
else if (linwhat == IN_PAR)
compcontext = "assign_parameter";
else if (linwhat == IN_MATH) {
if (insubscr) {
compcontext = "subscript";
if (varname) {
compparameter = varname;
kset |= CP_PARAMETER;
}
} else
compcontext = "math";
usea = 0;
} else if (lincmd) {
if (insubscr) {
compcontext = "subscript";
kset |= CP_PARAMETER;
} else
compcontext = "command";
} else if (linredir) {
compcontext = "redirect";
if (rdstr)
compredirect = rdstr;
kset |= CP_REDIRECT;
} else
switch (linwhat) {
case IN_ENV:
compcontext = (linarr ? "array_value" : "value");
compparameter = varname;
kset |= CP_PARAMETER;
if (!clwpos) {
clwpos = 1;
clwnum = 2;
zsfree(clwords[1]);
clwords[1] = ztrdup(s);
zsfree(clwords[2]);
clwords[2] = NULL;
}
aadd = 1;
break;
case IN_COND:
compcontext = "condition";
break;
default:
if (cmdstr)
compcontext = "command";
else {
compcontext = "value";
kset |= CP_PARAMETER;
if (clwords[0])
compparameter = clwords[0];
aadd = 1;
}
}
compcontext = ztrdup(compcontext);
if (compwords)
freearray(compwords);
if (usea && (!aadd || clwords[0])) {
char **q;
q = compwords = (char **)
zalloc((clwnum + 1) * sizeof(char *));
for (p = clwords + aadd; *p; p++, q++)
untokenize(*q = ztrdup(*p));
*q = NULL;
} else
compwords = (char **) zcalloc(sizeof(char *));
if (compredirs)
freearray(compredirs);
if (rdstrs)
compredirs = bld_list_array(rdstrs);
else
compredirs = (char **) zcalloc(sizeof(char *));
compparameter = ztrdup(compparameter);
compredirect = ztrdup(compredirect);
zsfree(compquote);
zsfree(compquoting);
if (instring) {
if (instring == 1) {
compquote = ztrdup("\'");
compquoting = ztrdup("single");
} else {
compquote = ztrdup("\"");
compquoting = ztrdup("double");
}
kset |= CP_QUOTE | CP_QUOTING;
} else if (inbackt) {
compquote = ztrdup("`");
compquoting = ztrdup("backtick");
kset |= CP_QUOTE | CP_QUOTING;
} else {
compquote = ztrdup("");
compquoting = ztrdup("");
}
zsfree(compprefix);
zsfree(compsuffix);
if (unset(COMPLETEINWORD)) {
tmp = (linwhat == IN_MATH ? dupstring(s) : multiquote(s, 0));
untokenize(tmp);
compprefix = ztrdup(tmp);
compsuffix = ztrdup("");
} else {
char *ss, sav;
ss = s + offs;
sav = *ss;
*ss = '\0';
tmp = (linwhat == IN_MATH ? dupstring(s) : multiquote(s, 0));
untokenize(tmp);
compprefix = ztrdup(tmp);
*ss = sav;
ss = (linwhat == IN_MATH ? dupstring(ss) : multiquote(ss, 0));
untokenize(ss);
compsuffix = ztrdup(ss);
}
zsfree(complastprefix);
zsfree(complastsuffix);
complastprefix = ztrdup(compprefix);
complastsuffix = ztrdup(compsuffix);
zsfree(compiprefix);
zsfree(compisuffix);
if (parwb < 0) {
compiprefix = ztrdup("");
compisuffix = ztrdup("");
} else {
int l;
compiprefix = (char *) zalloc((l = wb - parwb) + 1);
memcpy(compiprefix, line + parwb, l);
compiprefix[l] = '\0';
compisuffix = (char *) zalloc((l = parwe - we) + 1);
memcpy(compisuffix, line + we, l);
compisuffix[l] = '\0';
wb = parwb;
we = parwe;
offs = paroffs;
}
zsfree(compqiprefix);
compqiprefix = ztrdup(qipre ? qipre : "");
zsfree(compqisuffix);
compqisuffix = ztrdup(qisuf ? qisuf : "");
origlpre = (strlen(compqiprefix) + strlen(compiprefix) +
strlen(compprefix));
origlsuf = (strlen(compqisuffix) + strlen(compisuffix) +
strlen(compsuffix));
lenchanged = 0;
compcurrent = (usea ? (clwpos + 1 - aadd) : 0);
zsfree(complist);
switch (uselist) {
case 0: complist = ""; kset &= ~CP_LIST; break;
case 1: complist = "list"; break;
case 2: complist = "autolist"; break;
case 3: complist = "ambiguous"; break;
}
if (isset(LISTPACKED))
complist = dyncat(complist, " packed");
if (isset(LISTROWSFIRST))
complist = dyncat(complist, " rows");
complist = ztrdup(complist);
zsfree(compinsert);
if (useline) {
switch (usemenu) {
case 0:
compinsert = (isset(AUTOMENU) ?
"automenu-unambiguous" :
"unambiguous");
break;
case 1: compinsert = "menu"; break;
case 2: compinsert = "automenu"; break;
}
} else {
compinsert = "";
kset &= ~CP_INSERT;
}
compinsert = (useline < 0 ? tricat("tab ", "", compinsert) :
ztrdup(compinsert));
zsfree(compexact);
if (useexact)
compexact = ztrdup("accept");
else {
compexact = ztrdup("");
kset &= ~CP_EXACT;
}
zsfree(comptoend);
if (movetoend == 1)
comptoend = ztrdup("single");
else
comptoend = ztrdup("match");
zsfree(compoldlist);
zsfree(compoldins);
if (hasoldlist && lastpermmnum) {
if (listshown)
compoldlist = "shown";
else
compoldlist = "yes";
kset |= CP_OLDLIST;
if (minfo.cur) {
sprintf(buf, "%d", (*(minfo.cur))->gnum);
compoldins = buf;
kset |= CP_OLDINS;
} else
compoldins = "";
} else
compoldlist = compoldins = "";
compoldlist = ztrdup(compoldlist);
compoldins = ztrdup(compoldins);
incompfunc = 1;
startparamscope();
makecompparams();
comp_setunset(rset, (~rset & CP_ALLREALS),
kset, (~kset & CP_ALLKEYS));
makezleparams(1);
sfcontext = SFC_CWIDGET;
NEWHEAPS(compheap) {
LinkList largs = NULL;
int olv = lastval;
if (*cfargs) {
char **p = cfargs;
largs = newlinklist();
addlinknode(largs, dupstring(fn));
while (*p)
addlinknode(largs, dupstring(*p++));
}
doshfunc(fn, prog, largs, 0, 0);
cfret = lastval;
lastval = olv;
} OLDHEAPS;
sfcontext = osc;
endparamscope();
lastcmd = 0;
incompfunc = icf;
if (!complist)
uselist = 0;
else if (!strncmp(complist, "list", 4))
uselist = 1;
else if (!strncmp(complist, "auto", 4))
uselist = 2;
else if (!strncmp(complist, "ambig", 5))
uselist = 3;
else
uselist = 0;
forcelist = (complist && strstr(complist, "force"));
onlyexpl = (complist ? ((strstr(complist, "expl") ? 1 : 0) |
(strstr(complist, "messages") ? 2 : 0)) : 0);
if (!compinsert)
useline = 0;
else if (strstr(compinsert, "tab"))
useline = -1;
else if (!strcmp(compinsert, "unambig") ||
!strcmp(compinsert, "unambiguous") ||
!strcmp(compinsert, "automenu-unambiguous"))
useline = 1, usemenu = 0;
else if (!strcmp(compinsert, "all"))
useline = 2, usemenu = 0;
else if (idigit(*compinsert)) {
#if 0
/* group-numbers in compstate[insert] */
char *m;
#endif
useline = 1; usemenu = 3;
insmnum = atoi(compinsert);
#if 0
/* group-numbers in compstate[insert] */
if ((m = strchr(compinsert, ':'))) {
insgroup = 1;
insgnum = atoi(m + 1);
}
#endif
insspace = (compinsert[strlen(compinsert) - 1] == ' ');
} else {
char *p;
if (strpfx("menu", compinsert))
useline = 1, usemenu = 1;
else if (strpfx("auto", compinsert))
useline = 1, usemenu = 2;
else
useline = usemenu = 0;
if (useline && (p = strchr(compinsert, ':'))) {
insmnum = atoi(++p);
#if 0
/* group-numbers in compstate[insert] */
if ((p = strchr(p, ':'))) {
insgroup = 1;
insgnum = atoi(p + 1);
}
#endif
}
}
startauto = ((compinsert &&
!strcmp(compinsert, "automenu-unambiguous")) ||
(bashlistfirst && isset(AUTOMENU) &&
(!compinsert || !*compinsert)));
useexact = (compexact && !strcmp(compexact, "accept"));
if (!comptoend || !*comptoend)
movetoend = 0;
else if (!strcmp(comptoend, "single"))
movetoend = 1;
else if (!strcmp(comptoend, "always"))
movetoend = 3;
else
movetoend = 2;
oldlist = (hasoldlist && compoldlist && !strcmp(compoldlist, "keep"));
oldins = (hasoldlist && minfo.cur &&
compoldins && !strcmp(compoldins, "keep"));
zfree(comprpms, CP_REALPARAMS * sizeof(Param));
zfree(compkpms, CP_KEYPARAMS * sizeof(Param));
comprpms = ocrpms;
compkpms = ockpms;
}
lastval = lv;
}
/* Create the completion list. This is called whenever some bit of *
* completion code needs the list. *
* Along with the list is maintained the prefixes/suffixes etc. When *
* any of this becomes invalid -- e.g. if some text is changed on the *
* command line -- invalidatelist() should be called, to set *
* validlist to zero and free up the memory used. This function *
* returns non-zero on error. */
/**/
static int
makecomplist(char *s, int incmd, int lst)
{
char *p;
int owb = wb, owe = we, ooffs = offs;
/* Inside $... ? */
if (compfunc && (p = check_param(s, 0, 0))) {
s = p;
parwb = owb;
parwe = owe;
paroffs = ooffs;
} else
parwb = -1;
linwhat = inwhat;
if (compfunc) {
char *os = s;
int onm = nmatches, odm = diffmatches, osi = movefd(0);
bmatchers = NULL;
mstack = NULL;
ainfo = (Aminfo) hcalloc(sizeof(struct aminfo));
fainfo = (Aminfo) hcalloc(sizeof(struct aminfo));
freecl = NULL;
if (!validlist)
lastambig = 0;
amatches = NULL;
mnum = 0;
unambig_mnum = -1;
isuf = NULL;
insmnum = 1;
#if 0
/* group-numbers in compstate[insert] */
insgnum = 1;
insgroup = 0;
#endif
oldlist = oldins = 0;
begcmgroup("default", 0);
menucmp = menuacc = newmatches = onlyexpl = 0;
s = dupstring(os);
callcompfunc(s, compfunc);
endcmgroup(NULL);
/* Needed for compcall. */
runhookdef(COMPCTLCLEANUPHOOK, NULL);
if (oldlist) {
nmatches = onm;
diffmatches = odm;
validlist = 1;
amatches = lastmatches;
lmatches = lastlmatches;
if (pmatches) {
freematches(pmatches, 1);
pmatches = NULL;
hasperm = 0;
}
redup(osi, 0);
return 0;
}
if (lastmatches) {
freematches(lastmatches, 1);
lastmatches = NULL;
}
permmatches(1);
amatches = pmatches;
lastpermmnum = permmnum;
lastpermgnum = permgnum;
lastmatches = pmatches;
lastlmatches = lmatches;
pmatches = NULL;
hasperm = 0;
hasoldlist = 1;
if ((nmatches || nmessages) && !errflag) {
validlist = 1;
redup(osi, 0);
return 0;
}
redup(osi, 0);
return 1;
} else {
struct ccmakedat dat;
dat.str = s;
dat.incmd = incmd;
dat.lst = lst;
runhookdef(COMPCTLMAKEHOOK, (void *) &dat);
/* Needed for compcall. */
runhookdef(COMPCTLCLEANUPHOOK, NULL);
return dat.lst;
}
}
/**/
mod_export char *
multiquote(char *s, int ign)
{
if (s) {
char *os = s, *p = compqstack;
if (p && *p && (ign < 1 || p[ign])) {
if (ign > 0)
p += ign;
while (*p) {
if (ign >= 0 || p[1])
s = bslashquote(s, NULL,
(*p == '\'' ? 1 : (*p == '"' ? 2 : 0)));
p++;
}
}
return (s == os ? dupstring(s) : s);
}
DPUTS(1, "BUG: null pointer in multiquote()");
return NULL;
}
/**/
mod_export char *
tildequote(char *s, int ign)
{
if (s) {
int tilde;
if ((tilde = (*s == '~')))
*s = 'x';
s = multiquote(s, ign);
if (tilde)
*s = '~';
return s;
}
DPUTS(1, "BUG: null pointer in tildequote()");
return NULL;
}
/* Check if we have to complete a parameter name. */
/**/
mod_export char *
check_param(char *s, int set, int test)
{
char *p;
zsfree(parpre);
parpre = NULL;
if (!test)
ispar = parq = eparq = 0;
/* Try to find a `$'. */
for (p = s + offs; p > s && *p != String && *p != Qstring; p--);
if (*p == String || *p == Qstring) {
/* Handle $$'s */
while (p > s && (p[-1] == String || p[-1] == Qstring))
p--;
while ((p[1] == String || p[1] == Qstring) &&
(p[2] == String || p[2] == Qstring))
p += 2;
}
if ((*p == String || *p == Qstring) && p[1] != Inpar && p[1] != Inbrack) {
/* This is really a parameter expression (not $(...) or $[...]). */
char *b = p + 1, *e = b;
int n = 0, br = 1, nest = 0;
if (*b == Inbrace) {
char *tb = b;
/* If this is a ${...}, see if we are before the '}'. */
if (!skipparens(Inbrace, Outbrace, &tb))
return NULL;
/* Ignore the possible (...) flags. */
b++, br++;
n = skipparens(Inpar, Outpar, &b);
for (tb = p - 1; tb > s && *tb != Outbrace && *tb != Inbrace; tb--);
if (tb > s && *tb == Inbrace && (tb[-1] == String || *tb == Qstring))
nest = 1;
}
/* Ignore the stuff before the parameter name. */
for (; *b; b++)
if (*b != '^' && *b != Hat &&
*b != '=' && *b != Equals &&
*b != '~' && *b != Tilde)
break;
if (*b == '#' || *b == Pound || *b == '+')
b++;
e = b;
if (br) {
while (*e == (test ? Dnull : '"'))
e++, parq++;
if (!test)
b = e;
}
/* Find the end of the name. */
if (*e == Quest || *e == Star || *e == String || *e == Qstring ||
*e == '?' || *e == '*' || *e == '$' ||
*e == '-' || *e == '!' || *e == '@')
e++;
else if (idigit(*e))
while (idigit(*e))
e++;
else if (iident(*e))
while (iident(*e) ||
(comppatmatch && *comppatmatch && (*e == Star || *e == Quest)))
e++;
/* Now make sure that the cursor is inside the name. */
if (offs <= e - s && offs >= b - s && n <= 0) {
char sav;
if (br) {
p = e;
while (*p == (test ? Dnull : '"'))
p++, parq--, eparq++;
}
/* It is. */
if (test)
return b;
/* If we were called from makecomplistflags(), we have to set the
* global variables. */
if (set) {
if (br >= 2) {
mflags |= CMF_PARBR;
if (nest)
mflags |= CMF_PARNEST;
}
/* Get the prefix (anything up to the character before the name). */
isuf = dupstring(e);
untokenize(isuf);
sav = *b;
*b = *e = '\0';
ripre = dyncat((ripre ? ripre : ""), s);
ipre = dyncat((ipre ? ipre : ""), s);
*b = sav;
untokenize(ipre);
}
/* Save the prefix. */
if (compfunc) {
parflags = (br >= 2 ? CMF_PARBR | (nest ? CMF_PARNEST : 0) : 0);
sav = *b;
*b = '\0';
untokenize(parpre = ztrdup(s));
*b = sav;
}
/* And adjust wb, we, and offs again. */
offs -= b - s;
wb = cs - offs;
we = wb + e - b;
ispar = (br >= 2 ? 2 : 1);
b[we-wb] = '\0';
return b;
}
}
return NULL;
}
/* Copy the given string and remove backslashes from the copy and return it. */
/**/
mod_export char *
rembslash(char *s)
{
char *t = s = dupstring(s);
while (*s)
if (*s == '\\') {
chuck(s);
if (*s)
s++;
} else
s++;
return t;
}
/* Remove one of every pair of single quotes, without copying. Return
* the number of removed quotes. */
/**/
mod_export int
remsquote(char *s)
{
int ret = 0, qa = (isset(RCQUOTES) ? 1 : 3);
char *t = s;
while (*s)
if (qa == 1 ?
(s[0] == '\'' && s[1] == '\'') :
(s[0] == '\'' && s[1] == '\\' && s[2] == '\'' && s[3] == '\'')) {
ret += qa;
*t++ = '\'';
s += qa + 1;
} else
*t++ = *s++;
*t = '\0';
return ret;
}
/* This should probably be moved into tokenize(). */
/**/
mod_export char *
ctokenize(char *p)
{
char *r = p;
int bslash = 0;
tokenize(p);
for (p = r; *p; p++) {
if (*p == '\\')
bslash = 1;
else {
if (*p == '$' || *p == '{' || *p == '}') {
if (bslash)
p[-1] = Bnull;
else
*p = (*p == '$' ? String :
(*p == '{' ? Inbrace : Outbrace));
}
bslash = 0;
}
}
return r;
}
/**/
mod_export char *
comp_str(int *ipl, int *pl, int untok)
{
char *p = dupstring(compprefix);
char *s = dupstring(compsuffix);
char *ip = dupstring(compiprefix);
char *str;
int lp, ls, lip;
if (!untok) {
ctokenize(p);
remnulargs(p);
ctokenize(s);
remnulargs(s);
}
lp = strlen(p);
ls = strlen(s);
lip = strlen(ip);
str = zhalloc(lip + lp + ls + 1);
strcpy(str, ip);
strcat(str, p);
strcat(str, s);
if (ipl)
*ipl = lip;
if (pl)
*pl = lp;
return str;
}
/**/
int
set_comp_sep(void)
{
int lip, lp;
char *s = comp_str(&lip, &lp, 1);
LinkList foo = newlinklist();
LinkNode n;
int owe = we, owb = wb, ocs = cs, swb, swe, scs, soffs, ne = noerrs;
int tl, got = 0, i = 0, j, cur = -1, oll = ll, sl, css = 0;
int remq = 0, dq = 0, odq, sq = 0, osq, issq = 0, sqq = 0, lsq = 0, qa = 0;
int ois = instring, oib = inbackt, noffs = lp, ona = noaliases;
char *tmp, *p, *ns, *ol = (char *) line, sav, *qp, *qs, *ts, qc = '\0';
s += lip;
wb += lip;
untokenize(s);
swb = swe = soffs = 0;
ns = NULL;
/* Put the string in the lexer buffer and call the lexer to *
* get the words we have to expand. */
zleparse = 1;
addedx = 1;
noerrs = 1;
lexsave();
tmp = (char *) zhalloc(tl = 3 + strlen(s));
tmp[0] = ' ';
memcpy(tmp + 1, s, noffs);
tmp[(scs = cs = 1 + noffs)] = 'x';
strcpy(tmp + 2 + noffs, s + noffs);
switch (*compqstack) {
case '\\':
remq = 1;
tmp = rembslash(tmp);
break;
case '\'':
issq = 1;
if (isset(RCQUOTES))
qa = 1;
else
qa = 3;
sq = remsquote(tmp);
break;
case '"':
for (j = 0, p = tmp; *p; p++, j++)
if (*p == '\\' && p[1] == '\\') {
dq++;
chuck(p);
if (j > cs) {
cs++;
css++;
}
if (!*p)
break;
}
}
odq = dq;
osq = sq;
inpush(dupstrspace(tmp), 0, NULL);
line = (unsigned char *) tmp;
ll = tl - 1;
strinbeg(0);
noaliases = 1;
do {
ctxtlex();
if (tok == LEXERR) {
int j;
if (!tokstr)
break;
for (j = 0, p = tokstr; *p; p++) {
if (*p == Snull || *p == Dnull)
j++;
}
if (j & 1) {
tok = STRING;
if (p > tokstr && p[-1] == ' ')
p[-1] = '\0';
}
}
if (tok == ENDINPUT || tok == LEXERR)
break;
if (tokstr && *tokstr) {
for (p = tokstr; dq && *p; p++) {
if (*p == Bnull) {
dq--;
if (p[1] == '\\')
dq--;
}
}
if (issq) {
for (p = tokstr, lsq = 0; *p; p++) {
if (sq && *p == Snull)
sq -= qa;
if (*p == '\'') {
sq -= qa;
lsq += qa;
}
}
}
else
lsq = 0;
addlinknode(foo, (p = ztrdup(tokstr)));
}
else
p = NULL;
if (!got && !zleparse) {
DPUTS(!p, "no current word in substr");
got = 1;
cur = i;
swb = wb - 1 - dq - sq;
swe = we - 1 - dq - sq;
sqq = lsq;
soffs = cs - swb - css;
chuck(p + soffs);
ns = dupstring(p);
}
i++;
} while (tok != ENDINPUT && tok != LEXERR);
noaliases = ona;
strinend();
inpop();
errflag = zleparse = 0;
noerrs = ne;
lexrestore();
wb = owb;
we = owe;
cs = ocs;
line = (unsigned char *) ol;
ll = oll;
if (cur < 0 || i < 1)
return 1;
owb = offs;
offs = soffs;
if ((p = check_param(ns, 0, 1))) {
for (p = ns; *p; p++)
if (*p == Dnull)
*p = '"';
else if (*p == Snull)
*p = '\'';
}
offs = owb;
untokenize(ts = dupstring(ns));
if (*ns == Snull || *ns == Dnull) {
instring = (*ns == Snull ? 1 : 2);
inbackt = 0;
swb++;
if (ns[strlen(ns) - 1] == *ns && ns[1])
swe--;
zsfree(autoq);
autoq = ztrdup(compqstack[1] ? "" :
multiquote(*ns == Snull ? "'" : "\"", 1));
qc = (*ns == Snull ? '\'' : '"');
ts++;
} else {
instring = 0;
zsfree(autoq);
autoq = NULL;
}
for (p = ns, i = swb; *p; p++, i++) {
if (INULL(*p)) {
if (i < scs) {
if (*p == Bnull) {
if (p[1] && remq)
swb -= 2;
if (odq) {
swb--;
if (p[1] == '\\')
swb--;
}
}
}
if (p[1] || *p != Bnull) {
if (*p == Bnull) {
if (scs == i + 1)
scs++, soffs++;
} else {
if (scs > i--)
scs--;
}
} else {
if (scs == swe)
scs--;
}
chuck(p--);
}
}
ns = ts;
if (instring && strchr(compqstack, '\\')) {
int rl = strlen(ns), ql = strlen(multiquote(ns, !!compqstack[1]));
if (ql > rl)
swb -= ql - rl;
}
sav = s[(i = swb - 1 - sqq)];
s[i] = '\0';
qp = (issq ? dupstring(s) : rembslash(s));
s[i] = sav;
if (swe < swb)
swe = swb;
swe--;
sl = strlen(s);
if (swe > sl) {
swe = sl;
if (strlen(ns) > swe - swb + 1)
ns[swe - swb + 1] = '\0';
}
qs = (issq ? dupstring(s + swe) : rembslash(s + swe));
sl = strlen(ns);
if (soffs > sl)
soffs = sl;
if (issq) {
remsquote(qp);
remsquote(qs);
}
{
int set = CP_QUOTE | CP_QUOTING, unset = 0;
p = tricat((instring ? (instring == 1 ? "'" : "\"") : "\\"),
compqstack, "");
zsfree(compqstack);
compqstack = p;
zsfree(compquote);
zsfree(compquoting);
if (instring == 2) {
compquote = "\"";
compquoting = "double";
} else if (instring == 1) {
compquote = "'";
compquoting = "single";
} else {
compquote = compquoting = "";
unset = set;
set = 0;
}
compquote = ztrdup(compquote);
compquoting = ztrdup(compquoting);
comp_setunset(0, 0, set, unset);
zsfree(compprefix);
zsfree(compsuffix);
if (unset(COMPLETEINWORD)) {
untokenize(ns);
compprefix = ztrdup(ns);
compsuffix = ztrdup("");
} else {
char *ss, sav;
ss = ns + soffs;
sav = *ss;
*ss = '\0';
untokenize(ns);
compprefix = ztrdup(ns);
*ss = sav;
untokenize(ss);
compsuffix = ztrdup(ss);
}
if ((i = strlen(compprefix)) &&
compprefix[i - 1] == '\\' && compprefix[i - 2] != '\\')
compprefix[i - 1] = '\0';
tmp = tricat(compqiprefix, compiprefix, multiquote(qp, 1));
zsfree(compqiprefix);
compqiprefix = tmp;
tmp = tricat(multiquote(qs, 1), compisuffix, compqisuffix);
zsfree(compqisuffix);
compqisuffix = tmp;
zsfree(compiprefix);
compiprefix = ztrdup("");
zsfree(compisuffix);
compisuffix = ztrdup("");
freearray(compwords);
i = countlinknodes(foo);
compwords = (char **) zalloc((i + 1) * sizeof(char *));
for (n = firstnode(foo), i = 0; n; incnode(n), i++) {
p = compwords[i] = (char *) getdata(n);
untokenize(p);
}
compcurrent = cur + 1;
compwords[i] = NULL;
}
instring = ois;
inbackt = oib;
return 0;
}
/* This builds an array from a list of strings. */
/**/
mod_export char **
bld_list_array(LinkList l)
{
char **a, **p;
LinkNode n;
a = (char **) zalloc((countlinknodes(l) + 1) * sizeof(char *));
for (p = a, n = firstnode(l); n; incnode(n))
*p++ = ztrdup((char *) getdata(n));
*p = NULL;
return a;
}
/* This stores the strings from the list in an array. */
/**/
mod_export void
set_list_array(char *name, LinkList l)
{
setaparam(name, bld_list_array(l));
}
/* Get the words from a variable or a (list of words). */
/**/
mod_export char **
get_user_var(char *nam)
{
if (!nam)
return NULL;
else if (*nam == '(') {
/* It's a (...) list, not a parameter name. */
char *ptr, *s, **uarr, **aptr;
int count = 0, notempty = 0, brk = 0;
LinkList arrlist = newlinklist();
ptr = dupstring(nam);
s = ptr + 1;
while (*++ptr) {
if (*ptr == '\\' && ptr[1])
chuck(ptr), notempty = 1;
else if (*ptr == ',' || inblank(*ptr) || *ptr == ')') {
if (*ptr == ')')
brk++;
if (notempty) {
*ptr = '\0';
count++;
if (*s == '\n')
s++;
addlinknode(arrlist, s);
}
s = ptr + 1;
notempty = 0;
} else {
notempty = 1;
if (*ptr == Meta)
ptr++;
}
if (brk)
break;
}
if (!brk || !count)
return NULL;
*ptr = '\0';
aptr = uarr = (char **) zhalloc(sizeof(char *) * (count + 1));
while ((*aptr++ = (char *)ugetnode(arrlist)));
uarr[count] = NULL;
return uarr;
} else {
/* Otherwise it should be a parameter name. */
char **arr = NULL, *val;
queue_signals();
if ((arr = getaparam(nam)) || (arr = gethparam(nam)))
arr = (incompfunc ? arrdup(arr) : arr);
else if ((val = getsparam(nam))) {
arr = (char **) zhalloc(2*sizeof(char *));
arr[0] = (incompfunc ? dupstring(val) : val);
arr[1] = NULL;
}
unqueue_signals();
return arr;
}
}
static char **
get_data_arr(char *name, int keys)
{
struct value vbuf;
char **ret;
Value v;
queue_signals();
if (!(v = fetchvalue(&vbuf, &name, 1,
(keys ? SCANPM_WANTKEYS : SCANPM_WANTVALS) |
SCANPM_MATCHMANY)))
ret = NULL;
else
ret = getarrvalue(v);
unqueue_signals();
return ret;
}
static void
addmatch(char *str, int flags, char ***dispp, int line)
{
Cmatch cm = (Cmatch) zhalloc(sizeof(struct cmatch));
char **disp = *dispp;
memset(cm, 0, sizeof(struct cmatch));
cm->str = dupstring(str);
cm->flags = (flags |
(complist ?
((strstr(complist, "packed") ? CMF_PACKED : 0) |
(strstr(complist, "rows") ? CMF_ROWS : 0)) : 0));
if (disp) {
if (!*++disp)
disp = NULL;
if (disp)
cm->disp = dupstring(*disp);
} else if (line) {
cm->disp = dupstring("");
cm->flags |= CMF_DISPLINE;
}
mnum++;
ainfo->count++;
if (curexpl)
curexpl->count++;
addlinknode(matches, cm);
newmatches = 1;
mgroup->new = 1;
*dispp = disp;
}
/* This is used by compadd to add a couple of matches. The arguments are
* the strings given via options. The last argument is the array with
* the matches. */
/**/
int
addmatches(Cadata dat, char **argv)
{
char *s, *ms, *lipre = NULL, *lisuf = NULL, *lpre = NULL, *lsuf = NULL;
char **aign = NULL, **dparr = NULL, *oaq = autoq, *oppre = dat->ppre;
char *oqp = qipre, *oqs = qisuf, qc, **disp = NULL, *ibuf = NULL;
char **arrays = NULL;
int lpl, lsl, pl, sl, bcp = 0, bcs = 0, bpadd = 0, bsadd = 0;
int ppl = 0, psl = 0, ilen = 0;
int llpl = 0, llsl = 0, nm = mnum, gflags = 0, ohp = haspattern;
int isexact, doadd, ois = instring, oib = inbackt;
Cline lc = NULL, pline = NULL, sline = NULL;
Cmatch cm;
struct cmlist mst;
Cmlist oms = mstack;
Patprog cp = NULL, *pign = NULL;
LinkList aparl = NULL, oparl = NULL, dparl = NULL;
Brinfo bp, bpl = brbeg, obpl, bsl = brend, obsl;
Heap oldheap;
SWITCHHEAPS(oldheap, compheap) {
if (dat->dummies)
dat->aflags = ((dat->aflags | CAF_NOSORT | CAF_UNIQCON) &
~CAF_UNIQALL);
/* Select the group in which to store the matches. */
gflags = (((dat->aflags & CAF_NOSORT ) ? CGF_NOSORT : 0) |
((dat->aflags & CAF_UNIQALL) ? CGF_UNIQALL : 0) |
((dat->aflags & CAF_UNIQCON) ? CGF_UNIQCON : 0));
if (dat->group) {
endcmgroup(NULL);
begcmgroup(dat->group, gflags);
} else {
endcmgroup(NULL);
begcmgroup("default", 0);
}
if (dat->mesg || dat->exp) {
curexpl = (Cexpl) zhalloc(sizeof(struct cexpl));
curexpl->always = !!dat->mesg;
curexpl->count = curexpl->fcount = 0;
curexpl->str = dupstring(dat->mesg ? dat->mesg : dat->exp);
if (dat->mesg)
addexpl(1);
} else
curexpl = NULL;
} SWITCHBACKHEAPS(oldheap);
if (!*argv && !dat->dummies && !(dat->aflags & CAF_ALL))
return 1;
for (bp = brbeg; bp; bp = bp->next)
bp->curpos = ((dat->aflags & CAF_QUOTE) ? bp->pos : bp->qpos);
for (bp = brend; bp; bp = bp->next)
bp->curpos = ((dat->aflags & CAF_QUOTE) ? bp->pos : bp->qpos);
if (dat->flags & CMF_ISPAR)
dat->flags |= parflags;
if (compquote && (qc = *compquote)) {
if (qc == '`') {
instring = 0;
inbackt = 0;
autoq = "";
} else {
char buf[2];
instring = (qc == '\'' ? 1 : 2);
inbackt = 0;
buf[0] = qc;
buf[1] = '\0';
autoq = multiquote(buf, 1);
}
} else {
instring = inbackt = 0;
autoq = NULL;
}
qipre = ztrdup(compqiprefix ? compqiprefix : "");
qisuf = ztrdup(compqisuffix ? compqisuffix : "");
useexact = (compexact && !strcmp(compexact, "accept"));
/* Switch back to the heap that was used when the completion widget
* was invoked. */
SWITCHHEAPS(oldheap, compheap) {
if ((doadd = (!dat->apar && !dat->opar && !dat->dpar))) {
if (dat->aflags & CAF_MATCH)
hasmatched = 1;
else
hasunmatched = 1;
}
if (dat->apar)
aparl = newlinklist();
if (dat->opar)
oparl = newlinklist();
if (dat->dpar) {
if (*(dat->dpar) == '(')
dparr = NULL;
else if ((dparr = get_user_var(dat->dpar)) && !*dparr)
dparr = NULL;
dparl = newlinklist();
}
/* Store the matcher in our stack of matchers. */
if (dat->match) {
mst.next = mstack;
mst.matcher = dat->match;
mstack = &mst;
add_bmatchers(dat->match);
addlinknode(matchers, dat->match);
dat->match->refc++;
}
if (mnum && (mstack || bmatchers))
update_bmatchers();
/* Get the suffixes to ignore. */
if (dat->ign && (aign = get_user_var(dat->ign))) {
char **ap, **sp, *tmp;
Patprog *pp, prog;
pign = (Patprog *) zhalloc((arrlen(aign) + 1) * sizeof(Patprog));
for (ap = sp = aign, pp = pign; (tmp = *ap); ap++) {
tokenize(tmp);
remnulargs(tmp);
if (((tmp[0] == Quest && tmp[1] == Star) ||
(tmp[1] == Quest && tmp[0] == Star)) &&
tmp[2] && !haswilds(tmp + 2))
untokenize(*sp++ = tmp + 2);
else if ((prog = patcompile(tmp, 0, NULL)))
*pp++ = prog;
}
*sp = NULL;
*pp = NULL;
if (!*aign)
aign = NULL;
if (!*pign)
pign = NULL;
}
/* Get the display strings. */
if (dat->disp)
if ((disp = get_user_var(dat->disp)))
disp--;
/* Get the contents of the completion variables if we have
* to perform matching. */
if (dat->aflags & CAF_MATCH) {
lipre = dupstring(compiprefix);
lisuf = dupstring(compisuffix);
lpre = dupstring(compprefix);
lsuf = dupstring(compsuffix);
llpl = strlen(lpre);
llsl = strlen(lsuf);
if (llpl + strlen(compqiprefix) + strlen(lipre) != origlpre ||
llsl + strlen(compqisuffix) + strlen(lisuf) != origlsuf)
lenchanged = 1;
/* Test if there is an existing -P prefix. */
if (dat->pre && *dat->pre) {
pl = pfxlen(dat->pre, lpre);
llpl -= pl;
lpre += pl;
}
}
/* Now duplicate the strings we have from the command line. */
if (dat->ipre)
dat->ipre = (lipre ? dyncat(lipre, dat->ipre) :
dupstring(dat->ipre));
else if (lipre)
dat->ipre = lipre;
if (dat->isuf)
dat->isuf = (lisuf ? dyncat(lisuf, dat->isuf) :
dupstring(dat->isuf));
else if (lisuf)
dat->isuf = lisuf;
if (dat->ppre) {
dat->ppre = ((dat->flags & CMF_FILE) ?
tildequote(dat->ppre, !!(dat->aflags & CAF_QUOTE)) :
multiquote(dat->ppre, !!(dat->aflags & CAF_QUOTE)));
lpl = strlen(dat->ppre);
} else
lpl = 0;
if (dat->psuf) {
dat->psuf = multiquote(dat->psuf, !!(dat->aflags & CAF_QUOTE));
lsl = strlen(dat->psuf);
} else
lsl = 0;
if (dat->aflags & CAF_MATCH) {
int ml, gfl = 0;
char *globflag = NULL;
if (comppatmatch && *comppatmatch &&
dat->ppre && lpre[0] == '(' && lpre[1] == '#') {
char *p;
for (p = lpre + 2; *p && *p != ')'; p++);
if (*p == ')') {
char sav = p[1];
p[1] = '\0';
globflag = dupstring(lpre);
gfl = p - lpre + 1;
p[1] = sav;
lpre = p + 1;
llpl -= gfl;
}
}
if ((s = dat->ppre)) {
if ((ml = match_str(lpre, s, &bpl, 0, NULL, 0, 0, 1)) >= 0) {
if (matchsubs) {
Cline tmp = get_cline(NULL, 0, NULL, 0, NULL, 0, 0);
tmp->prefix = matchsubs;
if (matchlastpart)
matchlastpart->next = tmp;
else
matchparts = tmp;
}
pline = matchparts;
lpre += ml;
llpl -= ml;
bcp = ml;
bpadd = strlen(s) - ml;
} else {
if (llpl <= lpl && strpfx(lpre, s))
lpre = dupstring("");
else if (llpl > lpl && strpfx(s, lpre))
lpre += lpl;
else
*argv = NULL;
bcp = lpl;
}
}
if ((s = dat->psuf)) {
if ((ml = match_str(lsuf, s, &bsl, 0, NULL, 1, 0, 1)) >= 0) {
if (matchsubs) {
Cline tmp = get_cline(NULL, 0, NULL, 0, NULL, 0, CLF_SUF);
tmp->suffix = matchsubs;
if (matchlastpart)
matchlastpart->next = tmp;
else
matchparts = tmp;
}
sline = revert_cline(matchparts);
lsuf[llsl - ml] = '\0';
llsl -= ml;
bcs = ml;
bsadd = strlen(s) - ml;
} else {
if (llsl <= lsl && strsfx(lsuf, s))
lsuf = dupstring("");
else if (llsl > lsl && strsfx(s, lsuf))
lsuf[llsl - lsl] = '\0';
else
*argv = NULL;
bcs = lsl;
}
}
if (comppatmatch && *comppatmatch) {
int is = (*comppatmatch == '*');
char *tmp = (char *) zhalloc(2 + llpl + llsl + gfl);
if (gfl) {
strcpy(tmp, globflag);
strcat(tmp, lpre);
} else
strcpy(tmp, lpre);
tmp[llpl + gfl] = 'x';
strcpy(tmp + llpl + gfl + is, lsuf);
tokenize(tmp);
remnulargs(tmp);
if (haswilds(tmp)) {
if (is)
tmp[llpl + gfl] = Star;
if ((cp = patcompile(tmp, 0, NULL)))
haspattern = 1;
}
}
}
if (*argv) {
if (dat->pre)
dat->pre = dupstring(dat->pre);
if (dat->suf)
dat->suf = dupstring(dat->suf);
if (!dat->prpre && (dat->prpre = oppre)) {
singsub(&(dat->prpre));
untokenize(dat->prpre);
} else
dat->prpre = dupstring(dat->prpre);
/* Select the set of matches. */
if (dat->remf) {
dat->remf = dupstring(dat->remf);
dat->rems = NULL;
} else if (dat->rems)
dat->rems = dupstring(dat->rems);
if (lpre)
lpre = ((!(dat->aflags & CAF_QUOTE) &&
(!dat->ppre && (dat->flags & CMF_FILE))) ?
tildequote(lpre, 1) : multiquote(lpre, 1));
if (lsuf)
lsuf = multiquote(lsuf, 1);
}
/* Walk through the matches given. */
obpl = bpl;
obsl = bsl;
if (dat->aflags & CAF_ARRAYS) {
Heap oldheap2;
SWITCHHEAPS(oldheap2, oldheap) {
arrays = argv;
argv = NULL;
while (*arrays &&
(!(argv = get_data_arr(*arrays,
(dat->aflags & CAF_KEYS))) ||
!*argv))
arrays++;
arrays++;
if (!argv) {
ms = NULL;
argv = &ms;
}
} SWITCHBACKHEAPS(oldheap2);
}
if (dat->ppre)
ppl = strlen(dat->ppre);
if (dat->psuf)
psl = strlen(dat->psuf);
for (; (s = *argv); argv++) {
bpl = obpl;
bsl = obsl;
if (disp) {
if (!*++disp)
disp = NULL;
}
sl = strlen(s);
if (aign || pign) {
int il = ppl + sl + psl, addit = 1;
if (il + 1> ilen)
ibuf = (char *) zhalloc((ilen = il) + 2);
if (ppl)
memcpy(ibuf, dat->ppre, ppl);
strcpy(ibuf + ppl, s);
if (psl)
strcpy(ibuf + ppl + sl, dat->psuf);
if (aign) {
/* Do the suffix-test. If the match has one of the
* suffixes from aign, we put it in the alternate set. */
char **pt = aign;
int filell;
for (; addit && *pt; pt++)
addit = !((filell = strlen(*pt)) < il &&
!strcmp(*pt, ibuf + il - filell));
}
if (addit && pign) {
Patprog *pt = pign;
for (; addit && *pt; pt++)
addit = !pattry(*pt, ibuf);
}
if (!addit) {
compignored++;
if (dparr && !*++dparr)
dparr = NULL;
continue;
}
}
if (!(dat->aflags & CAF_MATCH)) {
if (dat->aflags & CAF_QUOTE)
ms = dupstring(s);
else
sl = strlen(ms = multiquote(s, 0));
lc = bld_parts(ms, sl, -1, NULL);
isexact = 0;
} else if (!(ms = comp_match(lpre, lsuf, s, cp, &lc,
(!(dat->aflags & CAF_QUOTE) ?
(dat->ppre ||
!(dat->flags & CMF_FILE) ? 1 : 2) : 0),
&bpl, bcp, &bsl, bcs,
&isexact))) {
if (dparr && !*++dparr)
dparr = NULL;
continue;
}
if (doadd) {
Brinfo bp;
for (bp = obpl; bp; bp = bp->next)
bp->curpos += bpadd;
for (bp = obsl; bp; bp = bp->next)
bp->curpos += bsadd;
if ((cm = add_match_data(0, ms, s, lc, dat->ipre, NULL,
dat->isuf, dat->pre, dat->prpre,
dat->ppre, pline,
dat->psuf, sline,
dat->suf, dat->flags, isexact))) {
cm->rems = dat->rems;
cm->remf = dat->remf;
if (disp)
cm->disp = dupstring(*disp);
}
} else {
if (dat->apar)
addlinknode(aparl, ms);
if (dat->opar)
addlinknode(oparl, s);
if (dat->dpar && dparr) {
addlinknode(dparl, *dparr);
if (!*++dparr)
dparr = NULL;
}
free_cline(lc);
}
if ((dat->aflags & CAF_ARRAYS) && !argv[1]) {
Heap oldheap2;
SWITCHHEAPS(oldheap2, oldheap) {
argv = NULL;
while (*arrays &&
(!(argv = get_data_arr(*arrays,
(dat->aflags & CAF_KEYS))) ||
!*argv))
arrays++;
arrays++;
if (!argv) {
ms = NULL;
argv = &ms;
}
argv--;
} SWITCHBACKHEAPS(oldheap2);
}
}
if (dat->apar)
set_list_array(dat->apar, aparl);
if (dat->opar)
set_list_array(dat->opar, oparl);
if (dat->dpar)
set_list_array(dat->dpar, dparl);
if (dat->exp)
addexpl(0);
if (!hasallmatch && (dat->aflags & CAF_ALL)) {
addmatch("<all>", dat->flags | CMF_ALL, &disp, 1);
hasallmatch = 1;
}
while (dat->dummies--)
addmatch("", dat->flags | CMF_DUMMY, &disp, 0);
} SWITCHBACKHEAPS(oldheap);
/* We switched back to the current heap, now restore the stack of
* matchers. */
mstack = oms;
instring = ois;
inbackt = oib;
autoq = oaq;
zsfree(qipre);
zsfree(qisuf);
qipre = oqp;
qisuf = oqs;
if (mnum == nm)
haspattern = ohp;
return (mnum == nm);
}
/* This adds all the data we have for a match. */
/**/
mod_export Cmatch
add_match_data(int alt, char *str, char *orig, Cline line,
char *ipre, char *ripre, char *isuf,
char *pre, char *prpre,
char *ppre, Cline pline,
char *psuf, Cline sline,
char *suf, int flags, int exact)
{
Cmatch cm;
Aminfo ai = (alt ? fainfo : ainfo);
int palen, salen, qipl, ipl, pl, ppl, qisl, isl, psl;
int sl, lpl, lsl, ml;
palen = salen = qipl = ipl = pl = ppl = qisl = isl = psl = 0;
DPUTS(!line, "BUG: add_match_data() without cline");
cline_matched(line);
if (pline)
cline_matched(pline);
if (sline)
cline_matched(sline);
/* If there is a path suffix, we build a cline list for it and
* append it to the list for the match itself. */
if (!sline && psuf)
salen = (psl = strlen(psuf));
if (isuf)
salen += (isl = strlen(isuf));
if (qisuf)
salen += (qisl = strlen(qisuf));
if (salen) {
Cline pp, p, s, sl = NULL;
for (pp = NULL, p = line; p->next; pp = p, p = p->next);
if (psl) {
s = bld_parts(psuf, psl, psl, &sl);
if (sline) {
Cline sp;
sline = cp_cline(sline, 1);
for (sp = sline; sp->next; sp = sp->next);
sp->next = s;
s = sline;
sline = NULL;
}
if (!(p->flags & (CLF_SUF | CLF_MID)) &&
!p->llen && !p->wlen && !p->olen) {
if (p->prefix) {
Cline q;
for (q = p->prefix; q->next; q = q->next);
q->next = s->prefix;
s->prefix = p->prefix;
p->prefix = NULL;
}
s->flags |= (p->flags & CLF_MATCHED) | CLF_MID;
free_cline(p);
if (pp)
pp->next = s;
else
line = s;
} else
p->next = s;
}
if (isl) {
Cline tsl;
s = bld_parts(isuf, isl, isl, &tsl);
if (sl)
sl->next = s;
else if (sline) {
Cline sp;
sline = cp_cline(sline, 1);
for (sp = sline; sp->next; sp = sp->next);
sp->next = s;
p->next = sline;
sline = NULL;
} else
p->next = s;
sl = tsl;
}
if (qisl) {
Cline qsl = bld_parts(dupstring(qisuf), qisl, qisl, NULL);
qsl->flags |= CLF_SUF;
qsl->suffix = qsl->prefix;
qsl->prefix = NULL;
if (sl)
sl->next = qsl;
else if (sline) {
Cline sp;
sline = cp_cline(sline, 1);
for (sp = sline; sp->next; sp = sp->next);
sp->next = qsl;
p->next = sline;
} else
p->next = qsl;
}
} else if (sline) {
Cline p;
for (p = line; p->next; p = p->next);
p->next = cp_cline(sline, 1);
}
/* The prefix is handled differently because the completion code
* is much more eager to insert the -P prefix than it is to insert
* the -S suffix. */
if (qipre)
palen = (qipl = strlen(qipre));
if (ipre)
palen += (ipl = strlen(ipre));
if (pre)
palen += (pl = strlen(pre));
if (!pline && ppre)
palen += (ppl = strlen(ppre));
if (pl) {
if (ppl || pline) {
Cline lp, p;
if (pline)
for (p = cp_cline(pline, 1), lp = p; lp->next; lp = lp->next);
else
p = bld_parts(ppre, ppl, ppl, &lp);
if (lp->prefix && !(line->flags & (CLF_SUF | CLF_MID)) &&
!lp->llen && !lp->wlen && !lp->olen) {
Cline lpp;
for (lpp = lp->prefix; lpp->next; lpp = lpp->next);
lpp->next = line->prefix;
line->prefix = lp->prefix;
lp->prefix = NULL;
free_cline(lp);
if (p != lp) {
Cline q;
for (q = p; q->next != lp; q = q->next);
q->next = line;
line = p;
}
} else {
lp->next = line;
line = p;
}
}
if (pl) {
Cline lp, p = bld_parts(pre, pl, pl, &lp);
lp->next = line;
line = p;
}
if (ipl) {
Cline lp, p = bld_parts(ipre, ipl, ipl, &lp);
lp->next = line;
line = p;
}
if (qipl) {
Cline lp, p = bld_parts(dupstring(qipre), qipl, qipl, &lp);
lp->next = line;
line = p;
}
} else if (palen || pline) {
Cline p, lp;
if (palen) {
char *apre = (char *) zhalloc(palen);
if (qipl)
memcpy(apre, qipre, qipl);
if (ipl)
memcpy(apre + qipl, ipre, ipl);
if (pl)
memcpy(apre + qipl + ipl, pre, pl);
if (ppl)
memcpy(apre + qipl + ipl + pl, ppre, ppl);
p = bld_parts(apre, palen, palen, &lp);
if (pline)
for (lp->next = cp_cline(pline, 1); lp->next; lp = lp->next);
} else
for (p = lp = cp_cline(pline, 1); lp->next; lp = lp->next);
if (lp->prefix && !(line->flags & CLF_SUF) &&
!lp->llen && !lp->wlen && !lp->olen) {
Cline lpp;
for (lpp = lp->prefix; lpp->next; lpp = lpp->next);
lpp->next = line->prefix;
line->prefix = lp->prefix;
lp->prefix = NULL;
free_cline(lp);
if (p != lp) {
Cline q;
for (q = p; q->next != lp; q = q->next);
q->next = line;
line = p;
}
} else {
lp->next = line;
line = p;
}
}
/* Allocate and fill the match structure. */
cm = (Cmatch) zhalloc(sizeof(struct cmatch));
cm->str = str;
cm->orig = dupstring(orig);
cm->ppre = (ppre && *ppre ? ppre : NULL);
cm->psuf = (psuf && *psuf ? psuf : NULL);
cm->prpre = ((flags & CMF_FILE) && prpre && *prpre ? prpre : NULL);
if (qipre && *qipre)
cm->ipre = (ipre && *ipre ? dyncat(qipre, ipre) : dupstring(qipre));
else
cm->ipre = (ipre && *ipre ? ipre : NULL);
cm->ripre = (ripre && *ripre ? ripre : NULL);
if (qisuf && *qisuf)
cm->isuf = (isuf && *isuf ? dyncat(isuf, qisuf) : dupstring(qisuf));
else
cm->isuf = (isuf && *isuf ? isuf : NULL);
cm->pre = pre;
cm->suf = suf;
cm->flags = (flags |
(complist ?
((strstr(complist, "packed") ? CMF_PACKED : 0) |
(strstr(complist, "rows") ? CMF_ROWS : 0)) : 0));
cm->mode = 0;
cm->modec = '\0';
if ((flags & CMF_FILE) && orig[0] && orig[strlen(orig) - 1] != '/') {
struct stat buf;
char *pb;
pb = (char *) zhalloc((cm->prpre ? strlen(cm->prpre) : 0) +
3 + strlen(orig));
sprintf(pb, "%s%s", (cm->prpre ? cm->prpre : "./"), orig);
if (!ztat(pb, &buf, 1)) {
cm->mode = buf.st_mode;
if ((cm->modec = file_type(buf.st_mode)) == ' ')
cm->modec = '\0';
}
}
if ((*compqstack == '\\' && compqstack[1]) ||
(autoq && *compqstack && compqstack[1] == '\\'))
cm->flags |= CMF_NOSPACE;
if (nbrbeg) {
int *p;
Brinfo bp;
cm->brpl = (int *) zhalloc(nbrbeg * sizeof(int));
for (p = cm->brpl, bp = brbeg; bp; p++, bp = bp->next)
*p = bp->curpos;
} else
cm->brpl = NULL;
if (nbrend) {
int *p;
Brinfo bp;
cm->brsl = (int *) zhalloc(nbrend * sizeof(int));
for (p = cm->brsl, bp = brend; bp; p++, bp = bp->next)
*p = bp->curpos;
} else
cm->brsl = NULL;
cm->qipl = qipl;
cm->qisl = qisl;
cm->autoq = dupstring(autoq ? autoq : (inbackt ? "`" : NULL));
cm->rems = cm->remf = cm->disp = NULL;
if ((lastprebr || lastpostbr) && !hasbrpsfx(cm, lastprebr, lastpostbr))
return NULL;
/* Then build the unambiguous cline list. */
ai->line = join_clines(ai->line, line);
mnum++;
ai->count++;
addlinknode((alt ? fmatches : matches), cm);
newmatches = 1;
mgroup->new = 1;
if (alt)
compignored++;
if (!complastprompt || !*complastprompt)
dolastprompt = 0;
/* One more match for this explanation. */
if (curexpl) {
if (alt)
curexpl->fcount++;
else
curexpl->count++;
}
if (!ai->firstm)
ai->firstm = cm;
sl = strlen(str);
lpl = (cm->ppre ? strlen(cm->ppre) : 0);
lsl = (cm->psuf ? strlen(cm->psuf) : 0);
ml = sl + lpl + lsl;
if (ml < minmlen)
minmlen = ml;
if (ml > maxmlen)
maxmlen = ml;
/* Do we have an exact match? More than one? */
if (exact) {
if (!ai->exact) {
ai->exact = useexact;
if (incompfunc && (!compexactstr || !*compexactstr)) {
/* If a completion widget is active, we make the exact
* string available in `compstate'. */
char *e;
zsfree(compexactstr);
compexactstr = e = (char *) zalloc(ml + 1);
if (cm->ppre) {
strcpy(e, cm->ppre);
e += lpl;
}
strcpy(e, str);
e += sl;
if (cm->psuf)
strcpy(e, cm->psuf);
comp_setunset(0, 0, CP_EXACTSTR, 0);
}
ai->exactm = cm;
} else if (useexact && !matcheq(cm, ai->exactm)) {
ai->exact = 2;
ai->exactm = NULL;
if (incompfunc)
comp_setunset(0, 0, 0, CP_EXACTSTR);
}
}
return cm;
}
/* This begins a new group of matches. */
/**/
mod_export void
begcmgroup(char *n, int flags)
{
if (n) {
Cmgroup p = amatches;
while (p) {
if (p->name &&
flags == (p->flags & (CGF_NOSORT|CGF_UNIQALL|CGF_UNIQCON)) &&
!strcmp(n, p->name)) {
mgroup = p;
expls = p->lexpls;
matches = p->lmatches;
fmatches = p->lfmatches;
allccs = p->lallccs;
return;
}
p = p->next;
}
}
mgroup = (Cmgroup) zhalloc(sizeof(struct cmgroup));
mgroup->name = dupstring(n);
mgroup->lcount = mgroup->llcount = mgroup->mcount = mgroup->ecount =
mgroup->ccount = 0;
mgroup->flags = flags;
mgroup->matches = NULL;
mgroup->ylist = NULL;
mgroup->expls = NULL;
mgroup->perm = NULL;
mgroup->new = mgroup->num = mgroup->nbrbeg = mgroup->nbrend = 0;
mgroup->lexpls = expls = newlinklist();
mgroup->lmatches = matches = newlinklist();
mgroup->lfmatches = fmatches = newlinklist();
mgroup->lallccs = allccs = ((flags & CGF_NOSORT) ? NULL : newlinklist());
if ((mgroup->next = amatches))
amatches->prev = mgroup;
mgroup->prev = NULL;
amatches = mgroup;
}
/* End the current group for now. */
/**/
mod_export void
endcmgroup(char **ylist)
{
mgroup->ylist = ylist;
}
/* Add an explanation string to the current group, joining duplicates. */
/**/
mod_export void
addexpl(int always)
{
LinkNode n;
Cexpl e;
for (n = firstnode(expls); n; incnode(n)) {
e = (Cexpl) getdata(n);
if (!strcmp(curexpl->str, e->str)) {
e->count += curexpl->count;
e->fcount += curexpl->fcount;
if (always) {
e->always = 1;
nmessages++;
newmatches = 1;
mgroup->new = 1;
}
return;
}
}
addlinknode(expls, curexpl);
newmatches = 1;
if (always) {
mgroup->new = 1;
nmessages++;
}
}
/* The comparison function for matches (used for sorting). */
/**/
static int
matchcmp(Cmatch *a, Cmatch *b)
{
if ((*a)->disp) {
if ((*b)->disp) {
if ((*a)->flags & CMF_DISPLINE) {
if ((*b)->flags & CMF_DISPLINE)
return strcmp((*a)->disp, (*b)->disp);
else
return -1;
} else {
if ((*b)->flags & CMF_DISPLINE)
return 1;
else
return strcmp((*a)->disp, (*b)->disp);
}
}
return -1;
}
if ((*b)->disp)
return 1;
return strbpcmp(&((*a)->str), &((*b)->str));
}
/* This tests whether two matches are equal (would produce the same
* strings on the command line). */
#define matchstreq(a, b) ((!(a) && !(b)) || ((a) && (b) && !strcmp((a), (b))))
/**/
static int
matcheq(Cmatch a, Cmatch b)
{
return matchstreq(a->ipre, b->ipre) &&
matchstreq(a->pre, b->pre) &&
matchstreq(a->ppre, b->ppre) &&
matchstreq(a->psuf, b->psuf) &&
matchstreq(a->suf, b->suf) &&
((!a->disp && !b->disp && matchstreq(a->str, b->str)) ||
(a->disp && b->disp && !strcmp(a->disp, b->disp) &&
matchstreq(a->str, b->str)));
}
/* Make an array from a linked list. The second argument says whether *
* the array should be sorted. The third argument is used to return *
* the number of elements in the resulting array. The fourth argument *
* is used to return the number of NOLIST elements. */
/**/
static Cmatch *
makearray(LinkList l, int type, int flags, int *np, int *nlp, int *llp)
{
Cmatch *ap, *bp, *cp, *rp;
LinkNode nod;
int n, nl = 0, ll = 0;
/* Build an array for the matches. */
rp = ap = (Cmatch *) hcalloc(((n = countlinknodes(l)) + 1) *
sizeof(Cmatch));
/* And copy them into it. */
for (nod = firstnode(l); nod; incnode(nod))
*ap++ = (Cmatch) getdata(nod);
*ap = NULL;
if (!type) {
if (flags) {
char **ap, **bp, **cp;
/* Now sort the array (it contains strings). */
qsort((void *) rp, n, sizeof(char *),
(int (*) _((const void *, const void *)))strbpcmp);
/* And delete the ones that occur more than once. */
for (ap = cp = (char **) rp; *ap; ap++) {
*cp++ = *ap;
for (bp = ap; bp[1] && !strcmp(*ap, bp[1]); bp++, n--);
ap = bp;
}
*cp = NULL;
}
} else {
if (!(flags & CGF_NOSORT)) {
/* Now sort the array (it contains matches). */
qsort((void *) rp, n, sizeof(Cmatch),
(int (*) _((const void *, const void *)))matchcmp);
if (!(flags & CGF_UNIQCON)) {
int dup;
/* And delete the ones that occur more than once. */
for (ap = cp = rp; *ap; ap++) {
*cp++ = *ap;
for (bp = ap; bp[1] && matcheq(*ap, bp[1]); bp++, n--);
ap = bp;
/* Mark those, that would show the same string in the list. */
for (dup = 0; bp[1] && !(*ap)->disp && !(bp[1])->disp &&
!strcmp((*ap)->str, (bp[1])->str); bp++) {
(bp[1])->flags |= CMF_MULT;
dup = 1;
}
if (dup)
(*ap)->flags |= CMF_FMULT;
}
*cp = NULL;
}
for (ap = rp; *ap; ap++) {
if ((*ap)->disp && ((*ap)->flags & CMF_DISPLINE))
ll++;
if ((*ap)->flags & (CMF_NOLIST | CMF_MULT))
nl++;
}
} else {
if (!(flags & CGF_UNIQALL) && !(flags & CGF_UNIQCON)) {
int dup;
for (ap = rp; *ap; ap++) {
for (bp = cp = ap + 1; *bp; bp++) {
if (!matcheq(*ap, *bp))
*cp++ = *bp;
else
n--;
}
*cp = NULL;
if (!(*ap)->disp) {
for (dup = 0, bp = ap + 1; *bp; bp++)
if (!(*bp)->disp &&
!((*bp)->flags & CMF_MULT) &&
!strcmp((*ap)->str, (*bp)->str)) {
(*bp)->flags |= CMF_MULT;
dup = 1;
}
if (dup)
(*ap)->flags |= CMF_FMULT;
}
}
} else if (!(flags & CGF_UNIQCON)) {
int dup;
for (ap = cp = rp; *ap; ap++) {
*cp++ = *ap;
for (bp = ap; bp[1] && matcheq(*ap, bp[1]); bp++, n--);
ap = bp;
for (dup = 0; bp[1] && !(*ap)->disp && !(bp[1])->disp &&
!strcmp((*ap)->str, (bp[1])->str); bp++) {
(bp[1])->flags |= CMF_MULT;
dup = 1;
}
if (dup)
(*ap)->flags |= CMF_FMULT;
}
*cp = NULL;
}
for (ap = rp; *ap; ap++) {
if ((*ap)->disp && ((*ap)->flags & CMF_DISPLINE))
ll++;
if ((*ap)->flags & (CMF_NOLIST | CMF_MULT))
nl++;
}
}
}
if (np)
*np = n;
if (nlp)
*nlp = nl;
if (llp)
*llp = ll;
return rp;
}
/* This duplicates one match. */
/**/
static Cmatch
dupmatch(Cmatch m, int nbeg, int nend)
{
Cmatch r;
r = (Cmatch) zcalloc(sizeof(struct cmatch));
r->str = ztrdup(m->str);
r->orig = ztrdup(m->orig);
r->ipre = ztrdup(m->ipre);
r->ripre = ztrdup(m->ripre);
r->isuf = ztrdup(m->isuf);
r->ppre = ztrdup(m->ppre);
r->psuf = ztrdup(m->psuf);
r->prpre = ztrdup(m->prpre);
r->pre = ztrdup(m->pre);
r->suf = ztrdup(m->suf);
r->flags = m->flags;
if (m->brpl) {
int *p, *q, i;
r->brpl = (int *) zalloc(nbeg * sizeof(int));
for (p = r->brpl, q = m->brpl, i = nbeg; i--; p++, q++)
*p = *q;
} else
r->brpl = NULL;
if (m->brsl) {
int *p, *q, i;
r->brsl = (int *) zalloc(nend * sizeof(int));
for (p = r->brsl, q = m->brsl, i = nend; i--; p++, q++)
*p = *q;
} else
r->brsl = NULL;
r->rems = ztrdup(m->rems);
r->remf = ztrdup(m->remf);
r->autoq = ztrdup(m->autoq);
r->qipl = m->qipl;
r->qisl = m->qisl;
r->disp = ztrdup(m->disp);
r->mode = m->mode;
r->modec = m->modec;
return r;
}
/* This duplicates all groups of matches. */
/**/
mod_export int
permmatches(int last)
{
Cmgroup g = amatches, n, opm;
Cmatch *p, *q;
Cexpl *ep, *eq, e, o;
LinkList mlist;
static int fi = 0;
int nn, nl, ll, gn = 1, mn = 1, rn, ofi = fi;
if (pmatches && !newmatches) {
if (last && fi)
ainfo = fainfo;
return fi;
}
newmatches = fi = 0;
opm = pmatches;
pmatches = lmatches = NULL;
nmatches = smatches = diffmatches = 0;
if (!ainfo->count) {
if (last)
ainfo = fainfo;
fi = 1;
}
while (g) {
if (fi != ofi || !g->perm || g->new) {
if (fi)
/* We have no matches, try ignoring fignore. */
mlist = g->lfmatches;
else
mlist = g->lmatches;
g->matches = makearray(mlist, 1, g->flags, &nn, &nl, &ll);
g->mcount = nn;
if ((g->lcount = nn - nl) < 0)
g->lcount = 0;
g->llcount = ll;
if (g->ylist) {
g->lcount = arrlen(g->ylist);
smatches = 2;
}
g->expls = (Cexpl *) makearray(g->lexpls, 0, 0, &(g->ecount),
NULL, NULL);
g->ccount = 0;
nmatches += g->mcount;
smatches += g->lcount;
if (g->mcount > 1)
diffmatches = 1;
n = (Cmgroup) zcalloc(sizeof(struct cmgroup));
if (g->perm) {
g->perm->next = NULL;
freematches(g->perm, 0);
}
g->perm = n;
if (!lmatches)
lmatches = n;
if (pmatches)
pmatches->prev = n;
n->next = pmatches;
pmatches = n;
n->prev = NULL;
n->num = gn++;
n->flags = g->flags;
n->mcount = g->mcount;
n->matches = p = (Cmatch *) zcalloc((n->mcount + 1) * sizeof(Cmatch));
n->name = ztrdup(g->name);
for (q = g->matches; *q; q++, p++)
*p = dupmatch(*q, nbrbeg, nbrend);
*p = NULL;
n->lcount = g->lcount;
n->llcount = g->llcount;
if (g->ylist)
n->ylist = zarrdup(g->ylist);
else
n->ylist = NULL;
if ((n->ecount = g->ecount)) {
n->expls = ep = (Cexpl *) zcalloc((n->ecount + 1) * sizeof(Cexpl));
for (eq = g->expls; (o = *eq); eq++, ep++) {
*ep = e = (Cexpl) zcalloc(sizeof(struct cexpl));
e->count = (fi ? o->fcount : o->count);
e->always = o->always;
e->fcount = 0;
e->str = ztrdup(o->str);
}
*ep = NULL;
} else
n->expls = NULL;
n->widths = NULL;
} else {
if (!lmatches)
lmatches = g->perm;
if (pmatches)
pmatches->prev = g->perm;
g->perm->next = pmatches;
pmatches = g->perm;
g->perm->prev = NULL;
nmatches += g->mcount;
smatches += g->lcount;
if (g->mcount > 1)
diffmatches = 1;
g->num = gn++;
}
g->new = 0;
g = g->next;
}
for (g = pmatches, p = NULL; g; g = g->next) {
g->nbrbeg = nbrbeg;
g->nbrend = nbrend;
for (rn = 1, q = g->matches; *q; q++) {
(*q)->rnum = rn++;
(*q)->gnum = mn++;
}
if (!diffmatches && *g->matches) {
if (p) {
if (!matcheq(*g->matches, *p))
diffmatches = 1;
} else
p = g->matches;
}
}
hasperm = 1;
permmnum = mn - 1;
permgnum = gn - 1;
listdat.valid = 0;
return fi;
}
/* This frees one match. */
/**/
static void
freematch(Cmatch m, int nbeg, int nend)
{
if (!m) return;
zsfree(m->str);
zsfree(m->orig);
zsfree(m->ipre);
zsfree(m->ripre);
zsfree(m->isuf);
zsfree(m->ppre);
zsfree(m->psuf);
zsfree(m->pre);
zsfree(m->suf);
zsfree(m->prpre);
zsfree(m->rems);
zsfree(m->remf);
zsfree(m->disp);
zsfree(m->autoq);
if (m->brpl)
zfree(m->brpl, nbeg * sizeof(int));
if (m->brsl)
zfree(m->brsl, nend * sizeof(int));
zfree(m, sizeof(m));
}
/* This frees the groups of matches. */
/**/
mod_export void
freematches(Cmgroup g, int cm)
{
Cmgroup n;
Cmatch *m;
Cexpl *e;
while (g) {
n = g->next;
for (m = g->matches; *m; m++)
freematch(*m, g->nbrbeg, g->nbrend);
free(g->matches);
if (g->ylist)
freearray(g->ylist);
if ((e = g->expls)) {
while (*e) {
zsfree((*e)->str);
free(*e);
e++;
}
free(g->expls);
}
zsfree(g->name);
free(g);
g = n;
}
if (cm)
minfo.cur = NULL;
}
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