-/* $OpenBSD: roff.c,v 1.186 2017/06/17 23:06:43 schwarze Exp $ */
+/* $OpenBSD: roff.c,v 1.187 2017/06/18 17:35:40 schwarze Exp $ */
/*
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010-2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
/* Maximum number of string expansions per line, to break infinite loops. */
#define EXPAND_LIMIT 1000
+/* Types of definitions of macros and strings. */
+#define ROFFDEF_USER (1 << 1) /* User-defined. */
+#define ROFFDEF_PRE (1 << 2) /* Predefined. */
+#define ROFFDEF_REN (1 << 3) /* Renamed standard macro. */
+#define ROFFDEF_STD (1 << 4) /* mdoc(7) or man(7) macro. */
+#define ROFFDEF_ANY (ROFFDEF_USER | ROFFDEF_PRE | \
+ ROFFDEF_REN | ROFFDEF_STD)
+
/* --- data types --------------------------------------------------------- */
/*
const char *, size_t);
static int roff_getregro(const struct roff *,
const char *name);
-static const char *roff_getrenn(const struct roff *,
- const char *, size_t);
static const char *roff_getstrn(const struct roff *,
- const char *, size_t);
+ const char *, size_t, int *);
static int roff_hasregn(const struct roff *,
const char *, size_t);
static enum rofferr roff_insec(ROFF_ARGS);
static enum rofferr roff_so(ROFF_ARGS);
static enum rofferr roff_tr(ROFF_ARGS);
static enum rofferr roff_Dd(ROFF_ARGS);
-static enum rofferr roff_TH(ROFF_ARGS);
static enum rofferr roff_TE(ROFF_ARGS);
static enum rofferr roff_TS(ROFF_ARGS);
static enum rofferr roff_EQ(ROFF_ARGS);
{ roff_T_, NULL, NULL, 0 }, /* T& */
{ roff_unsupp, NULL, NULL, 0 }, /* tc */
{ roff_TE, NULL, NULL, 0 }, /* TE */
- { roff_TH, NULL, NULL, 0 }, /* TH */
+ { roff_Dd, NULL, NULL, 0 }, /* TH */
{ roff_line_ignore, NULL, NULL, 0 }, /* tkf */
{ roff_unsupp, NULL, NULL, 0 }, /* tl */
{ roff_line_ignore, NULL, NULL, 0 }, /* tm */
{ roff_userdef, NULL, NULL, 0 }
};
-/* not currently implemented: Ds em Eq LP Me PP pp Or Rd Sf SH */
-const char *const __mdoc_reserved[] = {
- "Ac", "Ad", "An", "Ao", "Ap", "Aq", "Ar", "At",
- "Bc", "Bd", "Bf", "Bk", "Bl", "Bo", "Bq",
- "Brc", "Bro", "Brq", "Bsx", "Bt", "Bx",
- "Cd", "Cm", "Db", "Dc", "Dd", "Dl", "Do", "Dq",
- "Dt", "Dv", "Dx", "D1",
- "Ec", "Ed", "Ef", "Ek", "El", "Em",
- "En", "Eo", "Er", "Es", "Ev", "Ex",
- "Fa", "Fc", "Fd", "Fl", "Fn", "Fo", "Fr", "Ft", "Fx",
- "Hf", "Ic", "In", "It", "Lb", "Li", "Lk", "Lp",
- "Ms", "Mt", "Nd", "Nm", "No", "Ns", "Nx",
- "Oc", "Oo", "Op", "Os", "Ot", "Ox",
- "Pa", "Pc", "Pf", "Po", "Pp", "Pq",
- "Qc", "Ql", "Qo", "Qq", "Re", "Rs", "Rv",
- "Sc", "Sh", "Sm", "So", "Sq",
- "Ss", "St", "Sx", "Sy",
- "Ta", "Tn", "Ud", "Ux", "Va", "Vt", "Xc", "Xo", "Xr",
- "%A", "%B", "%C", "%D", "%I", "%J", "%N", "%O",
- "%P", "%Q", "%R", "%T", "%U", "%V",
- NULL
-};
-
-/* not currently implemented: BT DE DS ME MT PT SY TQ YS */
-const char *const __man_reserved[] = {
- "AT", "B", "BI", "BR", "DT",
- "EE", "EN", "EQ", "EX", "HP", "I", "IB", "IP", "IR",
- "LP", "OP", "P", "PD", "PP",
- "R", "RB", "RE", "RI", "RS", "SB", "SH", "SM", "SS",
- "TE", "TH", "TP", "TS", "T&", "UC", "UE", "UR",
- NULL
-};
-
/* Array of injected predefined strings. */
#define PREDEFS_MAX 38
static const struct predef predefs[PREDEFS_MAX] = {
int npos; /* position in numeric expression */
int arg_complete; /* argument not interrupted by eol */
int done; /* no more input available */
+ int deftype; /* type of definition to paste */
char term; /* character terminating the escape */
/* Search forward for comments. */
switch (stesc[1]) {
case '*':
- if (arg_complete)
- res = roff_getstrn(r, stnam, naml);
+ if (arg_complete) {
+ deftype = ROFFDEF_USER | ROFFDEF_PRE;
+ res = roff_getstrn(r, stnam, naml, &deftype);
+ }
break;
case 'B':
npos = 0;
char *cp;
const char *mac;
size_t maclen;
+ int deftype;
enum roff_tok t;
cp = buf + *pos;
mac = cp;
maclen = roff_getname(r, &cp, ln, ppos);
- t = (r->current_string = roff_getstrn(r, mac, maclen)) ?
- ROFF_USERDEF :
- (r->current_string = roff_getrenn(r, mac, maclen)) ?
- ROFF_RENAMED : roffhash_find(r->reqtab, mac, maclen);
-
+ deftype = ROFFDEF_USER | ROFFDEF_REN;
+ r->current_string = roff_getstrn(r, mac, maclen, &deftype);
+ switch (deftype) {
+ case ROFFDEF_USER:
+ t = ROFF_USERDEF;
+ break;
+ case ROFFDEF_REN:
+ t = ROFF_RENAMED;
+ break;
+ default:
+ t = roffhash_find(r->reqtab, mac, maclen);
+ break;
+ }
if (t != TOKEN_NONE)
*pos = cp - buf;
-
return t;
}
static enum rofferr
roff_block(ROFF_ARGS)
{
- const char *name;
- char *iname, *cp;
- size_t namesz;
+ const char *name, *value;
+ char *call, *cp, *iname, *rname;
+ size_t csz, namesz, rsz;
+ int deftype;
/* Ignore groff compatibility mode for now. */
/* Resolve the macro name argument if it is indirect. */
if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) {
- if ((name = roff_getstrn(r, iname, namesz)) == NULL) {
+ deftype = ROFFDEF_USER;
+ name = roff_getstrn(r, iname, namesz, &deftype);
+ if (name == NULL) {
mandoc_vmsg(MANDOCERR_STR_UNDEF,
r->parse, ln, (int)(iname - buf->buf),
"%.*s", (int)namesz, iname);
if (tok == ROFF_de || tok == ROFF_dei) {
roff_setstrn(&r->strtab, name, namesz, "", 0, 0);
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0);
+ } else if (tok == ROFF_am || tok == ROFF_ami) {
+ deftype = ROFFDEF_ANY;
+ value = roff_getstrn(r, iname, namesz, &deftype);
+ switch (deftype) { /* Before appending, ... */
+ case ROFFDEF_PRE: /* copy predefined to user-defined. */
+ roff_setstrn(&r->strtab, name, namesz,
+ value, strlen(value), 0);
+ break;
+ case ROFFDEF_REN: /* call original standard macro. */
+ csz = mandoc_asprintf(&call, ".%.*s \\$* \\\"\n",
+ (int)strlen(value), value);
+ roff_setstrn(&r->strtab, name, namesz, call, csz, 0);
+ roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0);
+ free(call);
+ break;
+ case ROFFDEF_STD: /* rename and call standard macro. */
+ rsz = mandoc_asprintf(&rname, "__%s_renamed", name);
+ roff_setstrn(&r->rentab, rname, rsz, name, namesz, 0);
+ csz = mandoc_asprintf(&call, ".%.*s \\$* \\\"\n",
+ (int)rsz, rname);
+ roff_setstrn(&r->strtab, name, namesz, call, csz, 0);
+ free(call);
+ free(rname);
+ break;
+ default:
+ break;
+ }
}
if (*cp == '\0')
/* Resolve the end marker if it is indirect. */
if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) {
- if ((name = roff_getstrn(r, iname, namesz)) == NULL) {
+ deftype = ROFFDEF_USER;
+ name = roff_getstrn(r, iname, namesz, &deftype);
+ if (name == NULL) {
mandoc_vmsg(MANDOCERR_STR_UNDEF,
r->parse, ln, (int)(iname - buf->buf),
"%.*s", (int)namesz, iname);
{
char *cp, *name;
size_t sz;
- int number, savepos, istrue, wanttrue;
+ int deftype, number, savepos, istrue, wanttrue;
if ('!' == v[*pos]) {
wanttrue = 0;
cp++;
name = cp;
sz = roff_getname(r, &cp, ln, cp - v);
- istrue = sz && (v[*pos] == 'r' ? roff_hasregn(r, name, sz) :
- (roff_getstrn(r, name, sz) != NULL ||
- roff_getrenn(r, name, sz) != NULL));
+ if (sz == 0)
+ istrue = 0;
+ else if (v[*pos] == 'r')
+ istrue = roff_hasregn(r, name, sz);
+ else {
+ deftype = ROFFDEF_ANY;
+ roff_getstrn(r, name, sz, &deftype);
+ istrue = !!deftype;
+ }
*pos = cp - v;
return istrue == wanttrue;
default:
static enum rofferr
roff_Dd(ROFF_ARGS)
{
- const char *const *cp;
-
- if ((r->options & (MPARSE_MDOC | MPARSE_QUICK)) == 0)
- for (cp = __mdoc_reserved; *cp; cp++)
- roff_setstr(r, *cp, NULL, 0);
-
- if (r->format == 0)
- r->format = MPARSE_MDOC;
-
- return ROFF_CONT;
-}
-
-static enum rofferr
-roff_TH(ROFF_ARGS)
-{
- const char *const *cp;
-
- if ((r->options & MPARSE_QUICK) == 0)
- for (cp = __man_reserved; *cp; cp++)
- roff_setstr(r, *cp, NULL, 0);
-
- if (r->format == 0)
- r->format = MPARSE_MAN;
+ int mask;
+ enum roff_tok t, te;
+ switch (tok) {
+ case ROFF_Dd:
+ tok = MDOC_Dd;
+ te = MDOC_MAX;
+ if (r->format == 0)
+ r->format = MPARSE_MDOC;
+ mask = MPARSE_MDOC | MPARSE_QUICK;
+ break;
+ case ROFF_TH:
+ tok = MAN_TH;
+ te = MAN_MAX;
+ if (r->format == 0)
+ r->format = MPARSE_MAN;
+ mask = MPARSE_QUICK;
+ break;
+ default:
+ abort();
+ }
+ if ((r->options & mask) == 0)
+ for (t = tok; t < te; t++)
+ roff_setstr(r, roff_name[t], NULL, 0);
return ROFF_CONT;
}
if (oldsz == 0)
return ROFF_IGN;
- valsz = mandoc_asprintf(&value, ".%.*s \\$*\n", (int)oldsz, oldn);
+ valsz = mandoc_asprintf(&value, ".%.*s \\$*\\\"\n",
+ (int)oldsz, oldn);
roff_setstrn(&r->strtab, newn, newsz, value, valsz, 0);
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0);
free(value);
const char *value;
char *oldn, *newn, *end;
size_t oldsz, newsz;
+ int deftype;
oldn = newn = buf->buf + pos;
if (*oldn == '\0')
if (newsz == 0)
return ROFF_IGN;
- /*
- * Rename a user-defined macro bearing the old name,
- * overriding an existing renamed high-level macro
- * bearing the new name, if that exists.
- */
-
- if ((value = roff_getstrn(r, oldn, oldsz)) != NULL) {
+ deftype = ROFFDEF_ANY;
+ value = roff_getstrn(r, oldn, oldsz, &deftype);
+ switch (deftype) {
+ case ROFFDEF_USER:
roff_setstrn(&r->strtab, newn, newsz, value, strlen(value), 0);
roff_setstrn(&r->strtab, oldn, oldsz, NULL, 0, 0);
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0);
- return ROFF_IGN;
- }
-
- /*
- * Rename a high-level macro bearing the old name,
- * either renaming it a second time if it was already
- * renamed before, or renaming it for the first time.
- * In both cases, override an existing user-defined
- * macro bearing the new name, if that exists.
- */
-
- if ((value = roff_getrenn(r, oldn, oldsz)) != NULL) {
+ break;
+ case ROFFDEF_PRE:
+ roff_setstrn(&r->strtab, newn, newsz, value, strlen(value), 0);
+ roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0);
+ break;
+ case ROFFDEF_REN:
roff_setstrn(&r->rentab, newn, newsz, value, strlen(value), 0);
roff_setstrn(&r->rentab, oldn, oldsz, NULL, 0, 0);
- } else
+ roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0);
+ break;
+ case ROFFDEF_STD:
roff_setstrn(&r->rentab, newn, newsz, oldn, oldsz, 0);
- roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0);
+ roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0);
+ break;
+ default:
+ roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0);
+ roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0);
+ break;
+ }
return ROFF_IGN;
}
{
char *nbuf;
- buf->sz = mandoc_asprintf(&nbuf, ".%s %s", r->current_string,
- buf->buf + pos) + 1;
+ buf->sz = mandoc_asprintf(&nbuf, ".%s%s%s", r->current_string,
+ buf->buf[pos] == '\0' ? "" : " ", buf->buf + pos) + 1;
free(buf->buf);
buf->buf = nbuf;
return ROFF_CONT;
roff_setstr(struct roff *r, const char *name, const char *string,
int append)
{
+ size_t namesz;
- roff_setstrn(&r->strtab, name, strlen(name), string,
+ namesz = strlen(name);
+ roff_setstrn(&r->strtab, name, namesz, string,
string ? strlen(string) : 0, append);
+ roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0);
}
static void
}
static const char *
-roff_getstrn(const struct roff *r, const char *name, size_t len)
-{
- const struct roffkv *n;
- int i;
-
- for (n = r->strtab; n; n = n->next)
- if (0 == strncmp(name, n->key.p, len) &&
- '\0' == n->key.p[(int)len])
- return n->val.p;
-
- for (i = 0; i < PREDEFS_MAX; i++)
- if (0 == strncmp(name, predefs[i].name, len) &&
- '\0' == predefs[i].name[(int)len])
- return predefs[i].str;
-
- return NULL;
-}
-
-/*
- * Check whether *name is the renamed name of a high-level macro.
- * Return the standard name, or NULL if it is not.
- */
-static const char *
-roff_getrenn(const struct roff *r, const char *name, size_t len)
-{
- const struct roffkv *n;
-
- for (n = r->rentab; n; n = n->next)
- if (0 == strncmp(name, n->key.p, len) &&
- '\0' == n->key.p[(int)len])
- return n->val.p;
-
+roff_getstrn(const struct roff *r, const char *name, size_t len,
+ int *deftype)
+{
+ const struct roffkv *n;
+ int i;
+ enum roff_tok tok;
+
+ if (*deftype & ROFFDEF_USER) {
+ for (n = r->strtab; n != NULL; n = n->next) {
+ if (strncmp(name, n->key.p, len) == 0 &&
+ n->key.p[len] == '\0' &&
+ n->val.p != NULL) {
+ *deftype = ROFFDEF_USER;
+ return n->val.p;
+ }
+ }
+ }
+ if (*deftype & ROFFDEF_PRE) {
+ for (i = 0; i < PREDEFS_MAX; i++) {
+ if (strncmp(name, predefs[i].name, len) == 0 &&
+ predefs[i].name[len] == '\0') {
+ *deftype = ROFFDEF_PRE;
+ return predefs[i].str;
+ }
+ }
+ }
+ if (*deftype & ROFFDEF_REN) {
+ for (n = r->rentab; n != NULL; n = n->next) {
+ if (strncmp(name, n->key.p, len) == 0 &&
+ n->key.p[len] == '\0' &&
+ n->val.p != NULL) {
+ *deftype = ROFFDEF_REN;
+ return n->val.p;
+ }
+ }
+ }
+ if (*deftype & ROFFDEF_STD) {
+ if (r->man->macroset != MACROSET_MAN) {
+ for (tok = MDOC_Dd; tok < MDOC_MAX; tok++) {
+ if (strncmp(name, roff_name[tok], len) == 0 &&
+ roff_name[tok][len] == '\0') {
+ *deftype = ROFFDEF_STD;
+ return NULL;
+ }
+ }
+ }
+ if (r->man->macroset != MACROSET_MDOC) {
+ for (tok = MAN_TH; tok < MAN_MAX; tok++) {
+ if (strncmp(name, roff_name[tok], len) == 0 &&
+ roff_name[tok][len] == '\0') {
+ *deftype = ROFFDEF_STD;
+ return NULL;
+ }
+ }
+ }
+ }
+ *deftype = 0;
return NULL;
}
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