-/* $Id: roff.c,v 1.314 2017/06/17 23:07:00 schwarze Exp $ */
+/* $Id: roff.c,v 1.328 2018/04/11 17:11:13 schwarze Exp $ */
/*
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
/* 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)
+#define ROFFDEF_UNDEF (1 << 5) /* Completely undefined. */
+
/* --- data types --------------------------------------------------------- */
/*
struct roffreg {
struct roffstr key;
int val;
+ int step;
struct roffreg *next;
};
struct tbl_node *first_tbl; /* first table parsed */
struct tbl_node *last_tbl; /* last table parsed */
struct tbl_node *tbl; /* current table being parsed */
- struct eqn_node *last_eqn; /* last equation parsed */
- struct eqn_node *first_eqn; /* first equation parsed */
- struct eqn_node *eqn; /* current equation being parsed */
+ struct eqn_node *last_eqn; /* equation parser */
+ struct eqn_node *eqn; /* active equation parser */
int eqn_inline; /* current equation is inline */
int options; /* parse options */
int rstacksz; /* current size limit of rstack */
static void roffnode_pop(struct roff *);
static void roffnode_push(struct roff *, enum roff_tok,
const char *, int, int);
+static void roff_addtbl(struct roff_man *, struct tbl_node *);
static enum rofferr roff_als(ROFF_ARGS);
static enum rofferr roff_block(ROFF_ARGS);
static enum rofferr roff_block_text(ROFF_ARGS);
static size_t roff_getname(struct roff *, char **, int, int);
static int roff_getnum(const char *, int *, int *, int);
static int roff_getop(const char *, int *, char *);
-static int roff_getregn(const struct roff *,
- const char *, size_t);
+static int roff_getregn(struct roff *,
+ const char *, size_t, char);
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);
+static const char *roff_getstrn(struct roff *,
+ 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_rm(ROFF_ARGS);
static enum rofferr roff_rn(ROFF_ARGS);
static enum rofferr roff_rr(ROFF_ARGS);
+static void roff_setregn(struct roff *, const char *,
+ size_t, int, char, int);
static void roff_setstr(struct roff *,
const char *, const char *, int);
static void roff_setstrn(struct roffkv **, const char *,
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);
"RE", "RS", "DT", "UC",
"PD", "AT", "in",
"OP", "EX", "EE", "UR",
- "UE", NULL
+ "UE", "MT", "ME", NULL
};
const char *const *roff_name = __roff_name;
{ 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] = {
roff_free1(struct roff *r)
{
struct tbl_node *tbl;
- struct eqn_node *e;
int i;
while (NULL != (tbl = r->first_tbl)) {
}
r->first_tbl = r->last_tbl = r->tbl = NULL;
- while (NULL != (e = r->first_eqn)) {
- r->first_eqn = e->next;
- eqn_free(e);
- }
- r->first_eqn = r->last_eqn = r->eqn = NULL;
+ if (r->last_eqn != NULL)
+ eqn_free(r->last_eqn);
+ r->last_eqn = r->eqn = NULL;
while (r->last)
roffnode_pop(r);
r = mandoc_calloc(1, sizeof(struct roff));
r->parse = parse;
- r->reqtab = roffhash_alloc(0, ROFF_USERDEF);
+ r->reqtab = roffhash_alloc(0, ROFF_RENAMED);
r->options = options;
r->format = options & (MPARSE_MDOC | MPARSE_MAN);
r->rstackpos = -1;
struct roff_man *
roff_man_alloc(struct roff *roff, struct mparse *parse,
- const char *defos, int quick)
+ const char *os_s, int quick)
{
struct roff_man *man;
man = mandoc_calloc(1, sizeof(*man));
man->parse = parse;
man->roff = roff;
- man->defos = defos;
+ man->os_s = os_s;
man->quick = quick;
roff_man_alloc1(man);
roff->man = man;
return n;
}
-void
-roff_addeqn(struct roff_man *man, const struct eqn *eqn)
-{
- struct roff_node *n;
-
- n = roff_node_alloc(man, eqn->ln, eqn->pos, ROFFT_EQN, TOKEN_NONE);
- n->eqn = eqn;
- if (eqn->ln > man->last->line)
- n->flags |= NODE_LINE;
- roff_node_append(man, n);
- man->next = ROFF_NEXT_SIBLING;
-}
-
-void
-roff_addtbl(struct roff_man *man, const struct tbl_span *tbl)
+static void
+roff_addtbl(struct roff_man *man, struct tbl_node *tbl)
{
struct roff_node *n;
+ const struct tbl_span *span;
if (man->macroset == MACROSET_MAN)
man_breakscope(man, ROFF_TS);
- n = roff_node_alloc(man, tbl->line, 0, ROFFT_TBL, TOKEN_NONE);
- n->span = tbl;
- roff_node_append(man, n);
- n->flags |= NODE_VALID | NODE_ENDED;
- man->next = ROFF_NEXT_SIBLING;
+ while ((span = tbl_span(tbl)) != NULL) {
+ n = roff_node_alloc(man, tbl->line, 0, ROFFT_TBL, TOKEN_NONE);
+ n->span = span;
+ roff_node_append(man, n);
+ n->flags |= NODE_VALID | NODE_ENDED;
+ man->next = ROFF_NEXT_SIBLING;
+ }
}
void
mdoc_argv_free(n->args);
if (n->type == ROFFT_BLOCK || n->type == ROFFT_ELEM)
free(n->norm);
+ if (n->eqn != NULL)
+ eqn_box_free(n->eqn);
free(n->string);
free(n);
}
roff_res(struct roff *r, struct buf *buf, int ln, int pos)
{
char ubuf[24]; /* buffer to print the number */
+ struct roff_node *n; /* used for header comments */
const char *start; /* start of the string to process */
char *stesc; /* start of an escape sequence ('\\') */
+ char *ep; /* end of comment string */
const char *stnam; /* start of the name, after "[(*" */
const char *cp; /* end of the name, e.g. before ']' */
const char *res; /* the string to be substituted */
size_t maxl; /* expected length of the escape name */
size_t naml; /* actual length of the escape name */
enum mandoc_esc esc; /* type of the escape sequence */
- enum mdoc_os os_e; /* kind of RCS id seen */
int inaml; /* length returned from mandoc_escape() */
int expand_count; /* to avoid infinite loops */
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 */
+ int rcsid; /* kind of RCS id seen */
+ char sign; /* increment number register */
char term; /* character terminating the escape */
/* Search forward for comments. */
/* Comment found, look for RCS id. */
+ rcsid = 0;
if ((cp = strstr(stesc, "$" "OpenBSD")) != NULL) {
- os_e = MDOC_OS_OPENBSD;
+ rcsid = 1 << MANDOC_OS_OPENBSD;
cp += 8;
} else if ((cp = strstr(stesc, "$" "NetBSD")) != NULL) {
- os_e = MDOC_OS_NETBSD;
+ rcsid = 1 << MANDOC_OS_NETBSD;
cp += 7;
}
if (cp != NULL &&
isalnum((unsigned char)*cp) == 0 &&
strchr(cp, '$') != NULL) {
- if (r->man->meta.rcsids & (1 << os_e))
+ if (r->man->meta.rcsids & rcsid)
mandoc_msg(MANDOCERR_RCS_REP, r->parse,
ln, stesc + 1 - buf->buf, stesc + 1);
- r->man->meta.rcsids |= 1 << os_e;
+ r->man->meta.rcsids |= rcsid;
}
/* Handle trailing whitespace. */
- cp = strchr(stesc--, '\0') - 1;
- if (*cp == '\n') {
+ ep = strchr(stesc--, '\0') - 1;
+ if (*ep == '\n') {
done = 1;
- cp--;
+ ep--;
}
- if (*cp == ' ' || *cp == '\t')
+ if (*ep == ' ' || *ep == '\t')
mandoc_msg(MANDOCERR_SPACE_EOL, r->parse,
- ln, cp - buf->buf, NULL);
+ ln, ep - buf->buf, NULL);
+
+ /*
+ * Save comments preceding the title macro
+ * in the syntax tree.
+ */
+
+ if (r->format == 0) {
+ while (*ep == ' ' || *ep == '\t')
+ ep--;
+ ep[1] = '\0';
+ n = roff_node_alloc(r->man,
+ ln, stesc + 1 - buf->buf,
+ ROFFT_COMMENT, TOKEN_NONE);
+ n->string = mandoc_strdup(stesc + 2);
+ roff_node_append(r->man, n);
+ n->flags |= NODE_VALID | NODE_ENDED;
+ r->man->next = ROFF_NEXT_SIBLING;
+ }
+
+ /* Discard comments. */
+
while (stesc > start && stesc[-1] == ' ')
stesc--;
*stesc = '\0';
term = cp[1];
/* FALLTHROUGH */
case 'n':
+ sign = cp[1];
+ if (sign == '+' || sign == '-')
+ cp++;
res = ubuf;
break;
default:
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;
case 'n':
if (arg_complete)
(void)snprintf(ubuf, sizeof(ubuf), "%d",
- roff_getregn(r, stnam, naml));
+ roff_getregn(r, stnam, naml, sign));
else
ubuf[0] = '\0';
break;
return e;
assert(e == ROFF_CONT);
}
- if (r->eqn != NULL)
- return eqn_read(&r->eqn, ln, buf->buf, ppos, offs);
- if (r->tbl != NULL && ( ! ctl || buf->buf[pos] == '\0'))
- return tbl_read(r->tbl, ln, buf->buf, ppos);
+ if (r->eqn != NULL && strncmp(buf->buf + ppos, ".EN", 3)) {
+ eqn_read(r->eqn, buf->buf + ppos);
+ return ROFF_IGN;
+ }
+ if (r->tbl != NULL && (ctl == 0 || buf->buf[pos] == '\0')) {
+ tbl_read(r->tbl, ln, buf->buf, ppos);
+ roff_addtbl(r->man, r->tbl);
+ return ROFF_IGN;
+ }
if ( ! ctl)
return roff_parsetext(r, buf, pos, offs);
pos++;
while (buf->buf[pos] == ' ')
pos++;
- return tbl_read(r->tbl, ln, buf->buf, pos);
+ tbl_read(r->tbl, ln, buf->buf, pos);
+ roff_addtbl(r->man, r->tbl);
+ return ROFF_IGN;
}
/* For now, let high level macros abort .ce mode. */
if (ctl && roffce_node != NULL &&
- (t == TOKEN_NONE || t == ROFF_EQ || t == ROFF_TS)) {
+ (t == TOKEN_NONE || t == ROFF_Dd || t == ROFF_EQ ||
+ t == ROFF_TH || t == ROFF_TS)) {
r->man->last = roffce_node;
r->man->next = ROFF_NEXT_SIBLING;
roffce_lines = 0;
void
roff_endparse(struct roff *r)
{
-
- if (r->last)
+ if (r->last != NULL)
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse,
r->last->line, r->last->col,
roff_name[r->last->tok]);
- if (r->eqn) {
+ if (r->eqn != NULL) {
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse,
- r->eqn->eqn.ln, r->eqn->eqn.pos, "EQ");
- eqn_end(&r->eqn);
+ r->eqn->node->line, r->eqn->node->pos, "EQ");
+ eqn_parse(r->eqn);
+ r->eqn = NULL;
}
- if (r->tbl) {
+ if (r->tbl != NULL) {
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse,
r->tbl->line, r->tbl->pos, "TS");
- tbl_end(&r->tbl);
+ tbl_end(r->tbl);
+ r->tbl = NULL;
}
}
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;
-
+ else if (deftype == ROFFDEF_UNDEF) {
+ /* Using an undefined macro defines it to be empty. */
+ roff_setstrn(&r->strtab, mac, maclen, "", 0, 0);
+ roff_setstrn(&r->rentab, mac, maclen, NULL, 0, 0);
+ }
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);
rr = r->last->rule;
roffnode_cleanscope(r);
- t = roff_parse(r, buf->buf, &pos, ln, ppos);
-
- /*
- * Fully handle known macros when they are structurally
- * required or when the conditional evaluated to true.
- */
-
- if (t != TOKEN_NONE && (rr || roffs[t].flags & ROFFMAC_STRUCT))
- return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs);
/*
* If `\}' occurs on a macro line without a preceding macro,
/* Always check for the closing delimiter `\}'. */
while ((ep = strchr(ep, '\\')) != NULL) {
- if (*(++ep) == '}') {
- *ep = '&';
- roff_ccond(r, ln, ep - buf->buf - 1);
- }
- if (*ep != '\0')
+ switch (ep[1]) {
+ case '}':
+ memmove(ep, ep + 2, strlen(ep + 2) + 1);
+ roff_ccond(r, ln, ep - buf->buf);
+ break;
+ case '\0':
++ep;
+ break;
+ default:
+ ep += 2;
+ break;
+ }
}
- return rr ? ROFF_CONT : ROFF_IGN;
+
+ /*
+ * Fully handle known macros when they are structurally
+ * required or when the conditional evaluated to true.
+ */
+
+ t = roff_parse(r, buf->buf, &pos, ln, ppos);
+ return t != TOKEN_NONE && (rr || roffs[t].flags & ROFFMAC_STRUCT)
+ ? (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs) : rr
+ ? ROFF_CONT : ROFF_IGN;
}
static enum rofferr
{
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:
void
roff_setreg(struct roff *r, const char *name, int val, char sign)
+{
+ roff_setregn(r, name, strlen(name), val, sign, INT_MIN);
+}
+
+static void
+roff_setregn(struct roff *r, const char *name, size_t len,
+ int val, char sign, int step)
{
struct roffreg *reg;
/* Search for an existing register with the same name. */
reg = r->regtab;
- while (reg && strcmp(name, reg->key.p))
+ while (reg != NULL && (reg->key.sz != len ||
+ strncmp(reg->key.p, name, len) != 0))
reg = reg->next;
if (NULL == reg) {
/* Create a new register. */
reg = mandoc_malloc(sizeof(struct roffreg));
- reg->key.p = mandoc_strdup(name);
- reg->key.sz = strlen(name);
+ reg->key.p = mandoc_strndup(name, len);
+ reg->key.sz = len;
reg->val = 0;
+ reg->step = 0;
reg->next = r->regtab;
r->regtab = reg;
}
reg->val -= val;
else
reg->val = val;
+ if (step != INT_MIN)
+ reg->step = step;
}
/*
}
int
-roff_getreg(const struct roff *r, const char *name)
+roff_getreg(struct roff *r, const char *name)
{
- struct roffreg *reg;
- int val;
-
- if ('.' == name[0] && '\0' != name[1] && '\0' == name[2]) {
- val = roff_getregro(r, name + 1);
- if (-1 != val)
- return val;
- }
-
- for (reg = r->regtab; reg; reg = reg->next)
- if (0 == strcmp(name, reg->key.p))
- return reg->val;
-
- return 0;
+ return roff_getregn(r, name, strlen(name), '\0');
}
static int
-roff_getregn(const struct roff *r, const char *name, size_t len)
+roff_getregn(struct roff *r, const char *name, size_t len, char sign)
{
struct roffreg *reg;
int val;
return val;
}
- for (reg = r->regtab; reg; reg = reg->next)
+ for (reg = r->regtab; reg; reg = reg->next) {
if (len == reg->key.sz &&
- 0 == strncmp(name, reg->key.p, len))
+ 0 == strncmp(name, reg->key.p, len)) {
+ switch (sign) {
+ case '+':
+ reg->val += reg->step;
+ break;
+ case '-':
+ reg->val -= reg->step;
+ break;
+ default:
+ break;
+ }
return reg->val;
+ }
+ }
+ roff_setregn(r, name, len, 0, '\0', INT_MIN);
return 0;
}
static enum rofferr
roff_nr(ROFF_ARGS)
{
- char *key, *val;
+ char *key, *val, *step;
size_t keysz;
- int iv;
+ int iv, is, len;
char sign;
key = val = buf->buf + pos;
keysz = roff_getname(r, &val, ln, pos);
if (key[keysz] == '\\')
return ROFF_IGN;
- key[keysz] = '\0';
sign = *val;
if (sign == '+' || sign == '-')
val++;
- if (roff_evalnum(r, ln, val, NULL, &iv, ROFFNUM_SCALE))
- roff_setreg(r, key, iv, sign);
+ len = 0;
+ if (roff_evalnum(r, ln, val, &len, &iv, ROFFNUM_SCALE) == 0)
+ return ROFF_IGN;
+ step = val + len;
+ while (isspace((unsigned char)*step))
+ step++;
+ if (roff_evalnum(r, ln, step, NULL, &is, 0) == 0)
+ is = INT_MIN;
+
+ roff_setregn(r, key, keysz, iv, sign, is);
return ROFF_IGN;
}
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;
}
static enum rofferr
roff_TE(ROFF_ARGS)
{
-
- if (NULL == r->tbl)
+ if (r->tbl == NULL) {
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse,
ln, ppos, "TE");
- else if ( ! tbl_end(&r->tbl)) {
+ return ROFF_IGN;
+ }
+ if (tbl_end(r->tbl) == 0) {
+ r->tbl = NULL;
free(buf->buf);
buf->buf = mandoc_strdup(".sp");
buf->sz = 4;
return ROFF_REPARSE;
}
+ r->tbl = NULL;
return ROFF_IGN;
}
static enum rofferr
roff_EQ(ROFF_ARGS)
{
- struct eqn_node *e;
-
- assert(r->eqn == NULL);
- e = eqn_alloc(ppos, ln, r->parse);
+ struct roff_node *n;
- if (r->last_eqn) {
- r->last_eqn->next = e;
- e->delim = r->last_eqn->delim;
- e->odelim = r->last_eqn->odelim;
- e->cdelim = r->last_eqn->cdelim;
- } else
- r->first_eqn = r->last_eqn = e;
+ if (r->man->macroset == MACROSET_MAN)
+ man_breakscope(r->man, ROFF_EQ);
+ n = roff_node_alloc(r->man, ln, ppos, ROFFT_EQN, TOKEN_NONE);
+ if (ln > r->man->last->line)
+ n->flags |= NODE_LINE;
+ n->eqn = mandoc_calloc(1, sizeof(*n->eqn));
+ n->eqn->expectargs = UINT_MAX;
+ roff_node_append(r->man, n);
+ r->man->next = ROFF_NEXT_SIBLING;
- r->eqn = r->last_eqn = e;
+ assert(r->eqn == NULL);
+ if (r->last_eqn == NULL)
+ r->last_eqn = eqn_alloc(r->parse);
+ else
+ eqn_reset(r->last_eqn);
+ r->eqn = r->last_eqn;
+ r->eqn->node = n;
if (buf->buf[pos] != '\0')
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos,
static enum rofferr
roff_EN(ROFF_ARGS)
{
-
- mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN");
+ if (r->eqn != NULL) {
+ eqn_parse(r->eqn);
+ r->eqn = NULL;
+ } else
+ mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN");
+ if (buf->buf[pos] != '\0')
+ mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos,
+ "EN %s", buf->buf + pos);
return ROFF_IGN;
}
static enum rofferr
roff_TS(ROFF_ARGS)
{
- struct tbl_node *tbl;
-
- if (r->tbl) {
+ if (r->tbl != NULL) {
mandoc_msg(MANDOCERR_BLK_BROKEN, r->parse,
ln, ppos, "TS breaks TS");
- tbl_end(&r->tbl);
+ tbl_end(r->tbl);
}
-
- tbl = tbl_alloc(ppos, ln, r->parse);
-
+ r->tbl = tbl_alloc(ppos, ln, r->parse);
if (r->last_tbl)
- r->last_tbl->next = tbl;
+ r->last_tbl->next = r->tbl;
else
- r->first_tbl = r->last_tbl = tbl;
-
- r->tbl = r->last_tbl = tbl;
+ r->first_tbl = r->tbl;
+ r->last_tbl = r->tbl;
return ROFF_IGN;
}
int npos;
if (r->man->flags & (MAN_BLINE | MAN_ELINE) &&
- (tok == ROFF_sp || tok == ROFF_ti))
+ (tok == ROFF_ce || tok == ROFF_rj || tok == ROFF_sp ||
+ tok == ROFF_ti))
man_breakscope(r->man, tok);
if (roffce_node != NULL && (tok == ROFF_ce || tok == ROFF_rj)) {
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)
+roff_getstrn(struct roff *r, const char *name, size_t len,
+ int *deftype)
{
- const struct roffkv *n;
- int i;
+ const struct roffkv *n;
+ int found, i;
+ enum roff_tok tok;
- for (n = r->strtab; n; n = n->next)
- if (0 == strncmp(name, n->key.p, len) &&
- '\0' == n->key.p[(int)len])
+ found = 0;
+ 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)
+ continue;
+ if (*deftype & ROFFDEF_USER) {
+ *deftype = ROFFDEF_USER;
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])
+ } else {
+ found = 1;
+ break;
+ }
+ }
+ 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)
+ continue;
+ if (*deftype & ROFFDEF_REN) {
+ *deftype = ROFFDEF_REN;
+ return n->val.p;
+ } else {
+ found = 1;
+ break;
+ }
+ }
+ for (i = 0; i < PREDEFS_MAX; i++) {
+ if (strncmp(name, predefs[i].name, len) != 0 ||
+ predefs[i].name[len] != '\0')
+ continue;
+ if (*deftype & ROFFDEF_PRE) {
+ *deftype = ROFFDEF_PRE;
return predefs[i].str;
+ } else {
+ found = 1;
+ break;
+ }
+ }
+ 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')
+ continue;
+ if (*deftype & ROFFDEF_STD) {
+ *deftype = ROFFDEF_STD;
+ return NULL;
+ } else {
+ found = 1;
+ break;
+ }
+ }
+ }
+ 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')
+ continue;
+ if (*deftype & ROFFDEF_STD) {
+ *deftype = ROFFDEF_STD;
+ return NULL;
+ } else {
+ found = 1;
+ break;
+ }
+ }
+ }
- return NULL;
-}
+ if (found == 0 && *deftype != ROFFDEF_ANY) {
+ if (*deftype & ROFFDEF_REN) {
+ /*
+ * This might still be a request,
+ * so do not treat it as undefined yet.
+ */
+ *deftype = ROFFDEF_UNDEF;
+ 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;
+ /* Using an undefined string defines it to be empty. */
- 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_setstrn(&r->strtab, name, len, "", 0, 0);
+ roff_setstrn(&r->rentab, name, len, NULL, 0, 0);
+ }
+ *deftype = 0;
return NULL;
}
/* --- accessors and utility functions ------------------------------------ */
-const struct tbl_span *
-roff_span(const struct roff *r)
-{
-
- return r->tbl ? tbl_span(r->tbl) : NULL;
-}
-
-const struct eqn *
-roff_eqn(const struct roff *r)
-{
-
- return r->last_eqn ? &r->last_eqn->eqn : NULL;
-}
-
/*
* Duplicate an input string, making the appropriate character
* conversations (as stipulated by `tr') along the way.
git.ckatri.com / mandoc.git / blobdiff