mandoc/roff.c - diff

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Diff for /mandoc/roff.c between version 1.294 and 1.319

version 1.294, 2017/04/24 23:06:18

version 1.319, 2017/07/08 14:51:04

Line 22

#include <assert.h>

#include <ctype.h>

#include <limits.h>

#include <stddef.h>

#include <stdint.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "mandoc.h"

#include "mandoc_aux.h"

#include "mandoc_ohash.h"

#include "roff.h"

#include "libmandoc.h"

#include "roff_int.h"

Line 36

Line 39

/* 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 --------------------------------------------------------- */

Line 64 struct roffreg {

Line 75 struct roffreg {

struct roffreg *next;

};

* Association of request and macro names with token IDs.

struct roffreq {

enum roff_tok tok;

char name[];

};

struct roff {

struct mparse *parse; /* parse point */

struct roff_man *man; /* mdoc or man parser */

struct roffnode *last; /* leaf of stack */

int *rstack; /* stack of inverted `ie' values */

struct ohash *reqtab; /* request lookup table */

struct roffreg *regtab; /* number registers */

struct roffkv *strtab; /* user-defined strings & macros */

struct roffkv *rentab; /* renamed strings & macros */

struct roffkv *xmbtab; /* multi-byte trans table (`tr') */

struct roffstr *xtab; /* single-byte trans table (`tr') */

const char *current_string; /* value of last called user macro */

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 *last_eqn; /* equation parser */

struct eqn_node *first_eqn; /* first equation parsed */

struct eqn_node *eqn; /* active equation parser */

struct eqn_node *eqn; /* current equation being parsed */

int eqn_inline; /* current equation is inline */

int options; /* parse options */

int rstacksz; /* current size limit of rstack */

Line 86 struct roff {

Line 107 struct roff {

int format; /* current file in mdoc or man format */

int argc; /* number of args of the last macro */

char control; /* control character */

char escape; /* escape character */

};

struct roffnode {

Line 110 struct roffnode {

Line 132 struct roffnode {

typedef enum rofferr (*roffproc)(ROFF_ARGS);

struct roffmac {

const char *name; /* macro name */

roffproc proc; /* process new macro */

roffproc text; /* process as child text of macro */

roffproc sub; /* process as child of macro */

int flags;

#define ROFFMAC_STRUCT (1 << 0) /* always interpret */

struct roffmac *next;

};

struct predef {

Line 129 struct predef {

Line 149 struct predef {

/* --- function prototypes ------------------------------------------------ */

static enum roff_tok roffhash_find(const char *, size_t);

static void roffhash_init(void);

static void roffnode_cleanscope(struct roff *);

static void roffnode_pop(struct roff *);

static void roffnode_push(struct roff *, enum roff_tok,

const char *, int, int);

static enum rofferr roff_als(ROFF_ARGS);

static enum rofferr roff_block(ROFF_ARGS);

static enum rofferr roff_block_text(ROFF_ARGS);

static enum rofferr roff_block_sub(ROFF_ARGS);

static enum rofferr roff_brp(ROFF_ARGS);

static enum rofferr roff_br(ROFF_ARGS);

static enum rofferr roff_cblock(ROFF_ARGS);

static enum rofferr roff_cc(ROFF_ARGS);

static void roff_ccond(struct roff *, int, int);

Line 146 static enum rofferr roff_cond(ROFF_ARGS);

Line 165 static enum rofferr roff_cond(ROFF_ARGS);

static enum rofferr roff_cond_text(ROFF_ARGS);

static enum rofferr roff_cond_sub(ROFF_ARGS);

static enum rofferr roff_ds(ROFF_ARGS);

static enum rofferr roff_ec(ROFF_ARGS);

static enum rofferr roff_eo(ROFF_ARGS);

static enum rofferr roff_eqndelim(struct roff *, struct buf *, int);

static int roff_evalcond(struct roff *r, int, char *, int *);

static int roff_evalnum(struct roff *, int,

Line 164 static int roff_getregn(const struct roff *,

Line 185 static int roff_getregn(const struct roff *,

static int roff_getregro(const struct roff *,

const char *name);

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);

Line 172 static enum rofferr roff_it(ROFF_ARGS);

Line 193 static enum rofferr roff_it(ROFF_ARGS);

static enum rofferr roff_line_ignore(ROFF_ARGS);

static void roff_man_alloc1(struct roff_man *);

static void roff_man_free1(struct roff_man *);

static enum rofferr roff_manyarg(ROFF_ARGS);

static enum rofferr roff_nr(ROFF_ARGS);

static enum rofferr roff_onearg(ROFF_ARGS);

static enum roff_tok roff_parse(struct roff *, char *, int *,

int, int);

static enum rofferr roff_parsetext(struct buf *, int, int *);

static enum rofferr roff_parsetext(struct roff *, struct buf *,

int, int *);

static enum rofferr roff_renamed(ROFF_ARGS);

static enum rofferr roff_res(struct roff *, struct buf *, int, int);

static enum rofferr roff_rm(ROFF_ARGS);

static enum rofferr roff_rn(ROFF_ARGS);

static enum rofferr roff_rr(ROFF_ARGS);

static void roff_setstr(struct roff *,

const char *, const char *, int);

Line 186 static void roff_setstrn(struct roffkv **, const cha

Line 212 static void roff_setstrn(struct roffkv **, const cha

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);

Line 197 static enum rofferr roff_userdef(ROFF_ARGS);

Line 222 static enum rofferr roff_userdef(ROFF_ARGS);

/* --- constant data ------------------------------------------------------ */

/* See roffhash_find() */

#define ASCII_HI 126

#define ASCII_LO 33

#define HASHWIDTH (ASCII_HI - ASCII_LO + 1)

#define ROFFNUM_SCALE (1 << 0) /* Honour scaling in roff_getnum(). */

#define ROFFNUM_WHITE (1 << 1) /* Skip whitespace in roff_evalnum(). */

const char *__roff_name[MAN_MAX + 1] = {

"br", "ce", "ft", "ll",

"mc", "po", "rj", "sp",

"ta", "ti", NULL,

"ab", "ad", "af", "aln",

"als", "am", "am1", "ami",

"ami1", "as", "as1", "asciify",

"backtrace", "bd", "bleedat", "blm",

"box", "boxa", "bp", "BP",

"break", "breakchar", "brnl", "brp",

"brpnl", "c2", "cc", "ce",

"brpnl", "c2", "cc",

"cf", "cflags", "ch", "char",

"chop", "class", "close", "CL",

"color", "composite", "continue", "cp",

Line 239 const char *__roff_name[MAN_MAX + 1] = {

Line 261 const char *__roff_name[MAN_MAX + 1] = {

"lc", "lc_ctype", "lds", "length",

"letadj", "lf", "lg", "lhang",

"linetabs", "lnr", "lnrf", "lpfx",

"ls", "lsm", "lt", "mc",

"ls", "lsm", "lt",

"mediasize", "minss", "mk", "mso",

"na", "ne", "nh", "nhychar",

"nm", "nn", "nop", "nr",

Line 247 const char *__roff_name[MAN_MAX + 1] = {

Line 269 const char *__roff_name[MAN_MAX + 1] = {

"open", "opena", "os", "output",

"padj", "papersize", "pc", "pev",

"pi", "PI", "pl", "pm",

"pn", "pnr", "po", "ps",

"pn", "pnr", "ps",

"psbb", "pshape", "pso", "ptr",

"pvs", "rchar", "rd", "recursionlimit",

"return", "rfschar", "rhang", "rj",

"return", "rfschar", "rhang",

"rm", "rn", "rnn", "rr",

"rs", "rt", "schar", "sentchar",

"shc", "shift", "sizes", "so",

"spacewidth", "special", "spreadwarn", "ss",

"sty", "substring", "sv", "sy",

"T&", "ta", "tc", "TE",

"T&", "tc", "TE",

"TH", "ti", "tkf", "tl",

"TH", "tkf", "tl",

"tm", "tm1", "tmc", "tr",

"track", "transchar", "trf", "trimat",

"trin", "trnt", "troff", "TS",

Line 266 const char *__roff_name[MAN_MAX + 1] = {

Line 288 const char *__roff_name[MAN_MAX + 1] = {

"warnscale", "watch", "watchlength", "watchn",

"wh", "while", "write", "writec",

"writem", "xflag", ".", NULL,

"text",

NULL, "text",

"Dd", "Dt", "Os", "Sh",

"Ss", "Pp", "D1", "Dl",

"Bd", "Ed", "Bl", "El",

Line 296 const char *__roff_name[MAN_MAX + 1] = {

Line 318 const char *__roff_name[MAN_MAX + 1] = {

"Fr", "Ud", "Lb", "Lp",

"Lk", "Mt", "Brq", "Bro",

"Brc", "%C", "Es", "En",

"Dx", "%Q", "br", "sp",

"Dx", "%Q", "%U", "Ta",

"%U", "Ta", "ll", NULL,

NULL,

"TH", "SH", "SS", "TP",

"LP", "PP", "P", "IP",

"HP", "SM", "SB", "BI",

"IB", "BR", "RB", "R",

"B", "I", "IR", "RI",

"br", "sp", "nf", "fi",

"nf", "fi",

"RE", "RS", "DT", "UC",

"PD", "AT", "in", "ft",

"PD", "AT", "in",

"OP", "EX", "EE", "UR",

"UE", "ll", NULL

"UE", "MT", "ME", NULL

};

const char *const *roff_name = __roff_name;

static struct roffmac *hash[HASHWIDTH];

static struct roffmac roffs[TOKEN_NONE] = {

{ "ab", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_br, NULL, NULL, 0 }, /* br */

{ "ad", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_onearg, NULL, NULL, 0 }, /* ce */

{ "af", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_onearg, NULL, NULL, 0 }, /* ft */

{ "aln", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_onearg, NULL, NULL, 0 }, /* ll */

{ "als", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_onearg, NULL, NULL, 0 }, /* mc */

{ "am", roff_block, roff_block_text, roff_block_sub, 0, NULL },

{ roff_onearg, NULL, NULL, 0 }, /* po */

{ "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL },

{ roff_onearg, NULL, NULL, 0 }, /* rj */

{ "ami", roff_block, roff_block_text, roff_block_sub, 0, NULL },

{ roff_onearg, NULL, NULL, 0 }, /* sp */

{ "ami1", roff_block, roff_block_text, roff_block_sub, 0, NULL },

{ roff_manyarg, NULL, NULL, 0 }, /* ta */

{ "as", roff_ds, NULL, NULL, 0, NULL },

{ roff_onearg, NULL, NULL, 0 }, /* ti */

{ "as1", roff_ds, NULL, NULL, 0, NULL },

{ NULL, NULL, NULL, 0 }, /* ROFF_MAX */

{ "asciify", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* ab */

{ "backtrace", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* ad */

{ "bd", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* af */

{ "bleedat", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* aln */

{ "blm", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_als, NULL, NULL, 0 }, /* als */

{ "box", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_block, roff_block_text, roff_block_sub, 0 }, /* am */

{ "boxa", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_block, roff_block_text, roff_block_sub, 0 }, /* am1 */

{ "bp", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_block, roff_block_text, roff_block_sub, 0 }, /* ami */

{ "BP", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_block, roff_block_text, roff_block_sub, 0 }, /* ami1 */

{ "break", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_ds, NULL, NULL, 0 }, /* as */

{ "breakchar", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_ds, NULL, NULL, 0 }, /* as1 */

{ "brnl", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* asciify */

{ "brp", roff_brp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* backtrace */

{ "brpnl", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* bd */

{ "c2", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* bleedat */

{ "cc", roff_cc, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* blm */

{ "ce", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* box */

{ "cf", roff_insec, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* boxa */

{ "cflags", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* bp */

{ "ch", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* BP */

{ "char", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* break */

{ "chop", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* breakchar */

{ "class", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* brnl */

{ "close", roff_insec, NULL, NULL, 0, NULL },

{ roff_br, NULL, NULL, 0 }, /* brp */

{ "CL", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* brpnl */

{ "color", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* c2 */

{ "composite", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_cc, NULL, NULL, 0 }, /* cc */

{ "continue", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* cf */

{ "cp", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* cflags */

{ "cropat", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* ch */

{ "cs", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* char */

{ "cu", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* chop */

{ "da", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* class */

{ "dch", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* close */

{ "Dd", roff_Dd, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* CL */

{ "de", roff_block, roff_block_text, roff_block_sub, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* color */

{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* composite */

{ "defcolor", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* continue */

{ "dei", roff_block, roff_block_text, roff_block_sub, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* cp */

{ "dei1", roff_block, roff_block_text, roff_block_sub, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* cropat */

{ "device", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* cs */

{ "devicem", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* cu */

{ "di", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* da */

{ "do", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* dch */

{ "ds", roff_ds, NULL, NULL, 0, NULL },

{ roff_Dd, NULL, NULL, 0 }, /* Dd */

{ "ds1", roff_ds, NULL, NULL, 0, NULL },

{ roff_block, roff_block_text, roff_block_sub, 0 }, /* de */

{ "dwh", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_block, roff_block_text, roff_block_sub, 0 }, /* de1 */

{ "dt", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* defcolor */

{ "ec", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_block, roff_block_text, roff_block_sub, 0 }, /* dei */

{ "ecr", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_block, roff_block_text, roff_block_sub, 0 }, /* dei1 */

{ "ecs", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* device */

{ "el", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* devicem */

{ "em", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* di */

{ "EN", roff_EN, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* do */

{ "eo", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_ds, NULL, NULL, 0 }, /* ds */

{ "EP", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_ds, NULL, NULL, 0 }, /* ds1 */

{ "EQ", roff_EQ, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* dwh */

{ "errprint", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* dt */

{ "ev", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_ec, NULL, NULL, 0 }, /* ec */

{ "evc", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* ecr */

{ "ex", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* ecs */

{ "fallback", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT }, /* el */

{ "fam", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* em */

{ "fc", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_EN, NULL, NULL, 0 }, /* EN */

{ "fchar", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_eo, NULL, NULL, 0 }, /* eo */

{ "fcolor", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* EP */

{ "fdeferlig", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_EQ, NULL, NULL, 0 }, /* EQ */

{ "feature", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* errprint */

{ "fkern", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* ev */

{ "fl", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* evc */

{ "flig", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* ex */

{ "fp", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* fallback */

{ "fps", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* fam */

{ "fschar", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* fc */

{ "fspacewidth", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* fchar */

{ "fspecial", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* fcolor */

{ "ftr", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* fdeferlig */

{ "fzoom", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* feature */

{ "gcolor", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* fkern */

{ "hc", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* fl */

{ "hcode", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* flig */

{ "hidechar", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* fp */

{ "hla", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* fps */

{ "hlm", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* fschar */

{ "hpf", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* fspacewidth */

{ "hpfa", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* fspecial */

{ "hpfcode", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* ftr */

{ "hw", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* fzoom */

{ "hy", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* gcolor */

{ "hylang", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hc */

{ "hylen", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hcode */

{ "hym", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hidechar */

{ "hypp", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hla */

{ "hys", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hlm */

{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hpf */

{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hpfa */

{ "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hpfcode */

{ "index", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hw */

{ "it", roff_it, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hy */

{ "itc", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hylang */

{ "IX", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hylen */

{ "kern", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hym */

{ "kernafter", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hypp */

{ "kernbefore", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* hys */

{ "kernpair", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT }, /* ie */

{ "lc", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT }, /* if */

{ "lc_ctype", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_block, roff_block_text, roff_block_sub, 0 }, /* ig */

{ "lds", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* index */

{ "length", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_it, NULL, NULL, 0 }, /* it */

{ "letadj", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* itc */

{ "lf", roff_insec, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* IX */

{ "lg", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* kern */

{ "lhang", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* kernafter */

{ "linetabs", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* kernbefore */

{ "lnr", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* kernpair */

{ "lnrf", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* lc */

{ "lpfx", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* lc_ctype */

{ "ls", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* lds */

{ "lsm", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* length */

{ "lt", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* letadj */

{ "mc", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* lf */

{ "mediasize", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* lg */

{ "minss", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* lhang */

{ "mk", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* linetabs */

{ "mso", roff_insec, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* lnr */

{ "na", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* lnrf */

{ "ne", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* lpfx */

{ "nh", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* ls */

{ "nhychar", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* lsm */

{ "nm", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* lt */

{ "nn", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* mediasize */

{ "nop", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* minss */

{ "nr", roff_nr, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* mk */

{ "nrf", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* mso */

{ "nroff", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* na */

{ "ns", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* ne */

{ "nx", roff_insec, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* nh */

{ "open", roff_insec, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* nhychar */

{ "opena", roff_insec, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* nm */

{ "os", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* nn */

{ "output", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* nop */

{ "padj", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_nr, NULL, NULL, 0 }, /* nr */

{ "papersize", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* nrf */

{ "pc", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* nroff */

{ "pev", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* ns */

{ "pi", roff_insec, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* nx */

{ "PI", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* open */

{ "pl", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* opena */

{ "pm", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* os */

{ "pn", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* output */

{ "pnr", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* padj */

{ "po", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* papersize */

{ "ps", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* pc */

{ "psbb", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* pev */

{ "pshape", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* pi */

{ "pso", roff_insec, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* PI */

{ "ptr", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* pl */

{ "pvs", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* pm */

{ "rchar", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* pn */

{ "rd", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* pnr */

{ "recursionlimit", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* ps */

{ "return", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* psbb */

{ "rfschar", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* pshape */

{ "rhang", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* pso */

{ "rj", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* ptr */

{ "rm", roff_rm, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* pvs */

{ "rn", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* rchar */

{ "rnn", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* rd */

{ "rr", roff_rr, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* recursionlimit */

{ "rs", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* return */

{ "rt", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* rfschar */

{ "schar", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* rhang */

{ "sentchar", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_rm, NULL, NULL, 0 }, /* rm */

{ "shc", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_rn, NULL, NULL, 0 }, /* rn */

{ "shift", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* rnn */

{ "sizes", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_rr, NULL, NULL, 0 }, /* rr */

{ "so", roff_so, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* rs */

{ "spacewidth", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* rt */

{ "special", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* schar */

{ "spreadwarn", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* sentchar */

{ "ss", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* shc */

{ "sty", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* shift */

{ "substring", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* sizes */

{ "sv", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_so, NULL, NULL, 0 }, /* so */

{ "sy", roff_insec, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* spacewidth */

{ "T&", roff_T_, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* special */

{ "ta", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* spreadwarn */

{ "tc", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* ss */

{ "TE", roff_TE, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* sty */

{ "TH", roff_TH, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* substring */

{ "ti", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* sv */

{ "tkf", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* sy */

{ "tl", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_T_, NULL, NULL, 0 }, /* T& */

{ "tm", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* tc */

{ "tm1", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_TE, NULL, NULL, 0 }, /* TE */

{ "tmc", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_Dd, NULL, NULL, 0 }, /* TH */

{ "tr", roff_tr, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* tkf */

{ "track", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* tl */

{ "transchar", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* tm */

{ "trf", roff_insec, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* tm1 */

{ "trimat", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* tmc */

{ "trin", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_tr, NULL, NULL, 0 }, /* tr */

{ "trnt", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* track */

{ "troff", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* transchar */

{ "TS", roff_TS, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* trf */

{ "uf", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* trimat */

{ "ul", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* trin */

{ "unformat", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* trnt */

{ "unwatch", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* troff */

{ "unwatchn", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_TS, NULL, NULL, 0 }, /* TS */

{ "vpt", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* uf */

{ "vs", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* ul */

{ "warn", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* unformat */

{ "warnscale", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* unwatch */

{ "watch", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* unwatchn */

{ "watchlength", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* vpt */

{ "watchn", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* vs */

{ "wh", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* warn */

{ "while", roff_unsupp, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* warnscale */

{ "write", roff_insec, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* watch */

{ "writec", roff_insec, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* watchlength */

{ "writem", roff_insec, NULL, NULL, 0, NULL },

{ roff_line_ignore, NULL, NULL, 0 }, /* watchn */

{ "xflag", roff_line_ignore, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* wh */

{ ".", roff_cblock, NULL, NULL, 0, NULL },

{ roff_unsupp, NULL, NULL, 0 }, /* while */

{ NULL, roff_userdef, NULL, NULL, 0, NULL },

{ roff_insec, NULL, NULL, 0 }, /* write */

{ roff_insec, NULL, NULL, 0 }, /* writec */

{ roff_insec, NULL, NULL, 0 }, /* writem */

{ roff_line_ignore, NULL, NULL, 0 }, /* xflag */

{ roff_cblock, NULL, NULL, 0 }, /* . */

{ roff_renamed, NULL, NULL, 0 },

{ 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] = {

#include "predefs.in"

};

/* See roffhash_find() */

static int roffce_lines; /* number of input lines to center */

#define ROFF_HASH(p) (p[0] - ASCII_LO)

static struct roff_node *roffce_node; /* active request */

static int roffit_lines; /* number of lines to delay */

static char *roffit_macro; /* nil-terminated macro line */

/* --- request table ------------------------------------------------------ */

static void

struct ohash *

roffhash_init(void)

roffhash_alloc(enum roff_tok mintok, enum roff_tok maxtok)

{

struct roffmac *n;

struct ohash *htab;

int buc, i;

struct roffreq *req;

enum roff_tok tok;

size_t sz;

unsigned int slot;

for (i = 0; i < (int)ROFF_USERDEF; i++) {

htab = mandoc_malloc(sizeof(*htab));

assert(roffs[i].name[0] >= ASCII_LO);

mandoc_ohash_init(htab, 8, offsetof(struct roffreq, name));

assert(roffs[i].name[0] <= ASCII_HI);

buc = ROFF_HASH(roffs[i].name);

for (tok = mintok; tok < maxtok; tok++) {

if (roff_name[tok] == NULL)

if (NULL != (n = hash[buc])) {

continue;

for ( ; n->next; n = n->next)

sz = strlen(roff_name[tok]);

/* Do nothing. */ ;

req = mandoc_malloc(sizeof(*req) + sz + 1);

n->next = &roffs[i];

req->tok = tok;

} else

memcpy(req->name, roff_name[tok], sz + 1);

hash[buc] = &roffs[i];

slot = ohash_qlookup(htab, req->name);

ohash_insert(htab, slot, req);

}

return htab;

}

void

* Look up a roff token by its name. Returns TOKEN_NONE if no macro by

roffhash_free(struct ohash *htab)

* the nil-terminated string name could be found.

static enum roff_tok

roffhash_find(const char *p, size_t s)

{

int buc;

struct roffreq *req;

struct roffmac *n;

unsigned int slot;

if (htab == NULL)

* libroff has an extremely simple hashtable, for the time

return;

* being, which simply keys on the first character, which must

for (req = ohash_first(htab, &slot); req != NULL;

* be printable, then walks a chain. It works well enough until

req = ohash_next(htab, &slot))

* optimised.

free(req);

ohash_delete(htab);

free(htab);

}

if (p[0] < ASCII_LO || p[0] > ASCII_HI)

enum roff_tok

return TOKEN_NONE;

roffhash_find(struct ohash *htab, const char *name, size_t sz)

{

struct roffreq *req;

const char *end;

buc = ROFF_HASH(p);

if (sz) {

end = name + sz;

if (NULL == (n = hash[buc]))

req = ohash_find(htab, ohash_qlookupi(htab, name, &end));

return TOKEN_NONE;

} else

for ( ; n; n = n->next)

req = ohash_find(htab, ohash_qlookup(htab, name));

if (0 == strncmp(n->name, p, s) && '\0' == n->name[(int)s])

return req == NULL ? TOKEN_NONE : req->tok;

return (enum roff_tok)(n - roffs);

return TOKEN_NONE;

}

/* --- stack of request blocks -------------------------------------------- */

Line 700 static void

Line 694 static void

roff_free1(struct roff *r)

{

struct tbl_node *tbl;

struct eqn_node *e;

int i;

while (NULL != (tbl = r->first_tbl)) {

Line 709 roff_free1(struct roff *r)

Line 702 roff_free1(struct roff *r)

}

r->first_tbl = r->last_tbl = r->tbl = NULL;

while (NULL != (e = r->first_eqn)) {

if (r->last_eqn != NULL)

r->first_eqn = e->next;

eqn_free(r->last_eqn);

eqn_free(e);

r->last_eqn = r->eqn = NULL;

}

r->first_eqn = r->last_eqn = r->eqn = NULL;

while (r->last)

roffnode_pop(r);

Line 727 roff_free1(struct roff *r)

Line 718 roff_free1(struct roff *r)

r->regtab = NULL;

roff_freestr(r->strtab);

roff_freestr(r->rentab);

roff_freestr(r->xmbtab);

r->strtab = r->xmbtab = NULL;

r->strtab = r->rentab = r->xmbtab = NULL;

if (r->xtab)

for (i = 0; i < 128; i++)

Line 740 roff_free1(struct roff *r)

Line 732 roff_free1(struct roff *r)

void

roff_reset(struct roff *r)

{

roff_free1(r);

r->format = r->options & (MPARSE_MDOC | MPARSE_MAN);

r->control = 0;

r->control = '\0';

r->escape = '\\';

roffce_lines = 0;

roffce_node = NULL;

roffit_lines = 0;

roffit_macro = NULL;

}

void

roff_free(struct roff *r)

{

roff_free1(r);

roffhash_free(r->reqtab);

free(r);

}

Line 761 roff_alloc(struct mparse *parse, int options)

Line 757 roff_alloc(struct mparse *parse, int options)

r = mandoc_calloc(1, sizeof(struct roff));

r->parse = parse;

r->reqtab = roffhash_alloc(0, ROFF_USERDEF);

r->options = options;

r->format = options & (MPARSE_MDOC | MPARSE_MAN);

r->rstackpos = -1;

r->escape = '\\';

roffhash_init();

return r;

}

Line 820 roff_man_free(struct roff_man *man)

Line 815 roff_man_free(struct roff_man *man)

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 man;

}

Line 984 roff_body_alloc(struct roff_man *man, int line, int po

Line 980 roff_body_alloc(struct roff_man *man, int line, int po

}

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)

{

struct roff_node *n;

if (man->macroset == MACROSET_MAN)

man_breakscope(man, TOKEN_NONE);

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);

Line 1055 roff_node_free(struct roff_node *n)

Line 1038 roff_node_free(struct roff_node *n)

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);

}

Line 1138 roff_res(struct roff *r, struct buf *buf, int ln, int

Line 1123 roff_res(struct roff *r, struct buf *buf, int ln, int

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 mandoc_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 */

char term; /* character terminating the escape */

expand_count = 0;

/* Search forward for comments. */

done = 0;

start = buf->buf + pos;

stesc = strchr(start, '\0') - 1;

for (stesc = buf->buf + pos; *stesc != '\0'; stesc++) {

while (stesc-- > start) {

if (stesc[0] != r->escape || stesc[1] == '\0')

continue;

stesc++;

if (*stesc != '"' && *stesc != '#')

continue;

/* Comment found, look for RCS id. */

if ((cp = strstr(stesc, "$" "OpenBSD")) != NULL) {

os_e = MANDOC_OS_OPENBSD;

cp += 8;

} else if ((cp = strstr(stesc, "$" "NetBSD")) != NULL) {

os_e = MANDOC_OS_NETBSD;

cp += 7;

}

if (cp != NULL &&

isalnum((unsigned char)*cp) == 0 &&

strchr(cp, '$') != NULL) {

if (r->man->meta.rcsids & (1 << os_e))

mandoc_msg(MANDOCERR_RCS_REP, r->parse,

ln, stesc + 1 - buf->buf, stesc + 1);

r->man->meta.rcsids |= 1 << os_e;

}

/* Handle trailing whitespace. */

cp = strchr(stesc--, '\0') - 1;

if (*cp == '\n') {

done = 1;

cp--;

}

if (*cp == ' ' || *cp == '\t')

mandoc_msg(MANDOCERR_SPACE_EOL, r->parse,

ln, cp - buf->buf, NULL);

while (stesc > start && stesc[-1] == ' ')

stesc--;

*stesc = '\0';

break;

}

if (stesc == start)

return ROFF_CONT;

stesc--;

/* Notice the end of the input. */

if (*stesc == '\n') {

*stesc-- = '\0';

done = 1;

}

expand_count = 0;

while (stesc >= start) {

/* Search backwards for the next backslash. */

if (*stesc != '\\')

if (*stesc != r->escape) {

if (*stesc == '\\') {

*stesc = '\0';

buf->sz = mandoc_asprintf(&nbuf, "%s\\e%s",

buf->buf, stesc + 1) + 1;

start = nbuf + pos;

stesc = nbuf + (stesc - buf->buf);

free(buf->buf);

buf->buf = nbuf;

}

stesc--;

continue;

}

/* If it is escaped, skip it. */

for (cp = stesc - 1; cp >= start; cp--)

if (*cp != '\\')

if (*cp != r->escape)

break;

if ((stesc - cp) % 2 == 0) {

stesc = (char *)cp;

while (stesc > cp)

*stesc-- = '\\';

continue;

} else if (stesc[1] != '\0') {

*stesc = '\\';

} else {

*stesc-- = '\0';

if (done)

continue;

else

return ROFF_APPEND;

}

/* Decide whether to expand or to check only. */

Line 1188 roff_res(struct roff *r, struct buf *buf, int ln, int

Line 1249 roff_res(struct roff *r, struct buf *buf, int ln, int

mandoc_vmsg(MANDOCERR_ESC_BAD,

r->parse, ln, (int)(stesc - buf->buf),

"%.*s", (int)(cp - stesc), stesc);

stesc--;

continue;

}

Line 1265 roff_res(struct roff *r, struct buf *buf, int ln, int

Line 1327 roff_res(struct roff *r, struct buf *buf, int ln, int

switch (stesc[1]) {

case '*':

if (arg_complete)

if (arg_complete) {

res = roff_getstrn(r, stnam, naml);

deftype = ROFFDEF_USER | ROFFDEF_PRE;

res = roff_getstrn(r, stnam, naml, &deftype);

}

break;

case 'B':

npos = 0;

Line 1321 roff_res(struct roff *r, struct buf *buf, int ln, int

Line 1385 roff_res(struct roff *r, struct buf *buf, int ln, int

* Process text streams.

static enum rofferr

roff_parsetext(struct buf *buf, int pos, int *offs)

roff_parsetext(struct roff *r, struct buf *buf, int pos, int *offs)

{

size_t sz;

const char *start;

Line 1343 roff_parsetext(struct buf *buf, int pos, int *offs)

Line 1407 roff_parsetext(struct buf *buf, int pos, int *offs)

} else if (roffit_lines > 1)

--roffit_lines;

if (roffce_node != NULL && buf->buf[pos] != '\0') {

if (roffce_lines < 1) {

r->man->last = roffce_node;

r->man->next = ROFF_NEXT_SIBLING;

roffce_lines = 0;

roffce_node = NULL;

} else

roffce_lines--;

}

/* Convert all breakable hyphens into ASCII_HYPH. */

start = p = buf->buf + pos;

Line 1402 roff_parseln(struct roff *r, int ln, struct buf *buf,

Line 1476 roff_parseln(struct roff *r, int ln, struct buf *buf,

/* Expand some escape sequences. */

e = roff_res(r, buf, ln, pos);

if (e == ROFF_IGN)

if (e == ROFF_IGN || e == ROFF_APPEND)

return e;

assert(e == ROFF_CONT);

Line 1423 roff_parseln(struct roff *r, int ln, struct buf *buf,

Line 1497 roff_parseln(struct roff *r, int ln, struct buf *buf,

return e;

assert(e == ROFF_CONT);

}

if (r->eqn != NULL)

if (r->eqn != NULL && strncmp(buf->buf + ppos, ".EN", 3)) {

return eqn_read(&r->eqn, ln, buf->buf, ppos, offs);

eqn_read(r->eqn, buf->buf + ppos);

return ROFF_IGN;

}

if (r->tbl != NULL && ( ! ctl || buf->buf[pos] == '\0'))

return tbl_read(r->tbl, ln, buf->buf, ppos);

if ( ! ctl)

return roff_parsetext(buf, pos, offs);

return roff_parsetext(r, buf, pos, offs);

/* Skip empty request lines. */

Line 1457 roff_parseln(struct roff *r, int ln, struct buf *buf,

Line 1533 roff_parseln(struct roff *r, int ln, struct buf *buf,

/* Tables ignore most macros. */

if (r->tbl != NULL && (t == TOKEN_NONE || t == ROFF_TS)) {

if (r->tbl != NULL && (t == TOKEN_NONE || t == ROFF_TS ||

t == ROFF_br || t == ROFF_ce || t == ROFF_rj || t == ROFF_sp)) {

mandoc_msg(MANDOCERR_TBLMACRO, r->parse,

ln, pos, buf->buf + spos);

if (t == ROFF_TS)

if (t != TOKEN_NONE)

return ROFF_IGN;

while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ')

pos++;

Line 1469 roff_parseln(struct roff *r, int ln, struct buf *buf,

Line 1546 roff_parseln(struct roff *r, int ln, struct buf *buf,

return tbl_read(r->tbl, ln, buf->buf, pos);

}

/* For now, let high level macros abort .ce mode. */

if (ctl && roffce_node != NULL &&

(t == TOKEN_NONE || t == ROFF_EQ || t == ROFF_TS)) {

r->man->last = roffce_node;

r->man->next = ROFF_NEXT_SIBLING;

roffce_lines = 0;

roffce_node = NULL;

}

* This is neither a roff request nor a user-defined macro.

* Let the standard macro set parsers handle it.

Line 1479 roff_parseln(struct roff *r, int ln, struct buf *buf,

Line 1566 roff_parseln(struct roff *r, int ln, struct buf *buf,

/* Execute a roff request or a user defined macro. */

return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs);

return (*roffs[t].proc)(r, t, buf, ln, spos, pos, offs);

}

void

Line 1489 roff_endparse(struct roff *r)

Line 1576 roff_endparse(struct roff *r)

if (r->last)

mandoc_msg(MANDOCERR_BLK_NOEND, r->parse,

r->last->line, r->last->col,

roffs[r->last->tok].name);

roff_name[r->last->tok]);

if (r->eqn) {

mandoc_msg(MANDOCERR_BLK_NOEND, r->parse,

r->eqn->eqn.ln, r->eqn->eqn.pos, "EQ");

r->eqn->node->line, r->eqn->node->pos, "EQ");

eqn_end(&r->eqn);

eqn_parse(r->eqn);

r->eqn = NULL;

}

if (r->tbl) {

Line 1514 roff_parse(struct roff *r, char *buf, int *pos, int ln

Line 1602 roff_parse(struct roff *r, char *buf, int *pos, int ln

char *cp;

const char *mac;

size_t maclen;

int deftype;

enum roff_tok t;

cp = buf + *pos;

Line 1524 roff_parse(struct roff *r, char *buf, int *pos, int ln

Line 1613 roff_parse(struct roff *r, char *buf, int *pos, int ln

mac = cp;

maclen = roff_getname(r, &cp, ln, ppos);

t = (r->current_string = roff_getstrn(r, mac, maclen))

deftype = ROFFDEF_USER | ROFFDEF_REN;

? ROFF_USERDEF : roffhash_find(mac, maclen);

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;

}

Line 1621 roff_ccond(struct roff *r, int ln, int ppos)

Line 1719 roff_ccond(struct roff *r, int ln, int ppos)

static enum rofferr

roff_block(ROFF_ARGS)

{

const char *name;

const char *name, *value;

char *iname, *cp;

char *call, *cp, *iname, *rname;

size_t namesz;

size_t csz, namesz, rsz;

int deftype;

/* Ignore groff compatibility mode for now. */

Line 1651 roff_block(ROFF_ARGS)

Line 1750 roff_block(ROFF_ARGS)

/* 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);

Line 1663 roff_block(ROFF_ARGS)

Line 1764 roff_block(ROFF_ARGS)

if (namesz == 0 && tok != ROFF_ig) {

mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse,

ln, ppos, roffs[tok].name);

ln, ppos, roff_name[tok]);

return ROFF_IGN;

}

Line 1675 roff_block(ROFF_ARGS)

Line 1776 roff_block(ROFF_ARGS)

* appended from roff_block_text() in multiline mode.

if (tok == ROFF_de || tok == ROFF_dei)

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')

return ROFF_IGN;

Line 1689 roff_block(ROFF_ARGS)

Line 1819 roff_block(ROFF_ARGS)

/* 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);

Line 1704 roff_block(ROFF_ARGS)

Line 1836 roff_block(ROFF_ARGS)

if (*cp != '\0')

mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse,

ln, pos, ".%s ... %s", roffs[tok].name, cp);

ln, pos, ".%s ... %s", roff_name[tok], cp);

return ROFF_IGN;

}

Line 1782 roff_cond_sub(ROFF_ARGS)

Line 1914 roff_cond_sub(ROFF_ARGS)

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,

* drop the line completely.

Line 1804 roff_cond_sub(ROFF_ARGS)

Line 1927 roff_cond_sub(ROFF_ARGS)

/* Always check for the closing delimiter `\}'. */

while ((ep = strchr(ep, '\\')) != NULL) {

if (*(++ep) == '}') {

switch (ep[1]) {

*ep = '&';

case '}':

roff_ccond(r, ln, ep - buf->buf - 1);

memmove(ep, ep + 2, strlen(ep + 2) + 1);

}

roff_ccond(r, ln, ep - buf->buf);

if (*ep != '\0')

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

Line 1961 roff_evalcond(struct roff *r, int ln, char *v, int *po

Line 2099 roff_evalcond(struct roff *r, int ln, char *v, int *po

{

char *cp, *name;

size_t sz;

int number, savepos, wanttrue;

int deftype, number, savepos, istrue, wanttrue;

if ('!' == v[*pos]) {

wanttrue = 0;

Line 1977 roff_evalcond(struct roff *r, int ln, char *v, int *po

Line 2115 roff_evalcond(struct roff *r, int ln, char *v, int *po

(*pos)++;

return wanttrue;

case 'c':

case 'd':

case 'e':

case 't':

case 'v':

(*pos)++;

return !wanttrue;

case 'd':

case 'r':

cp = name = v + ++*pos;

cp = v + *pos + 1;

sz = roff_getname(r, &cp, ln, *pos);

while (*cp == ' ')

cp++;

name = cp;

sz = roff_getname(r, &cp, ln, cp - v);

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 (sz && roff_hasregn(r, name, sz)) == wanttrue;

return istrue == wanttrue;

default:

break;

}

Line 2013 roff_insec(ROFF_ARGS)

Line 2163 roff_insec(ROFF_ARGS)

{

mandoc_msg(MANDOCERR_REQ_INSEC, r->parse,

ln, ppos, roffs[tok].name);

ln, ppos, roff_name[tok]);

return ROFF_IGN;

}

Line 2022 roff_unsupp(ROFF_ARGS)

Line 2172 roff_unsupp(ROFF_ARGS)

{

mandoc_msg(MANDOCERR_REQ_UNSUPP, r->parse,

ln, ppos, roffs[tok].name);

ln, ppos, roff_name[tok]);

return ROFF_IGN;

}

Line 2095 roff_cond(ROFF_ARGS)

Line 2245 roff_cond(ROFF_ARGS)

if (buf->buf[pos] == '\0')

mandoc_msg(MANDOCERR_COND_EMPTY, r->parse,

ln, ppos, roffs[tok].name);

ln, ppos, roff_name[tok]);

r->last->endspan = 1;

Line 2139 roff_ds(ROFF_ARGS)

Line 2289 roff_ds(ROFF_ARGS)

/* The rest is the value. */

roff_setstrn(&r->strtab, name, namesz, string, strlen(string),

ROFF_as == tok);

roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0);

return ROFF_IGN;

}

Line 2550 roff_rm(ROFF_ARGS)

Line 2701 roff_rm(ROFF_ARGS)

name = cp;

namesz = roff_getname(r, &cp, ln, (int)(cp - buf->buf));

roff_setstrn(&r->strtab, name, namesz, NULL, 0, 0);

roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0);

if (name[namesz] == '\\')

break;

}

Line 2588 roff_it(ROFF_ARGS)

Line 2740 roff_it(ROFF_ARGS)

static enum rofferr

roff_Dd(ROFF_ARGS)

{

const char *const *cp;

int mask;

enum roff_tok t, te;

if ((r->options & (MPARSE_MDOC | MPARSE_QUICK)) == 0)

switch (tok) {

for (cp = __mdoc_reserved; *cp; cp++)

case ROFF_Dd:

roff_setstr(r, *cp, NULL, 0);

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_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;

return ROFF_CONT;

}

static enum rofferr

roff_TE(ROFF_ARGS)

{

Line 2639 roff_T_(ROFF_ARGS)

Line 2791 roff_T_(ROFF_ARGS)

mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse,

ln, ppos, "T&");

else

tbl_restart(ppos, ln, r->tbl);

tbl_restart(ln, ppos, r->tbl);

return ROFF_IGN;

}

Line 2713 roff_eqndelim(struct roff *r, struct buf *buf, int pos

Line 2865 roff_eqndelim(struct roff *r, struct buf *buf, int pos

static enum rofferr

roff_EQ(ROFF_ARGS)

{

struct eqn_node *e;

struct roff_node *n;

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;

assert(r->eqn == NULL);

e = eqn_alloc(ppos, ln, r->parse);

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 (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;

r->eqn = r->last_eqn = e;

if (buf->buf[pos] != '\0')

mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos,

".EQ %s", buf->buf + pos);

Line 2738 roff_EQ(ROFF_ARGS)

Line 2893 roff_EQ(ROFF_ARGS)

static enum rofferr

roff_EN(ROFF_ARGS)

{

if (r->eqn != NULL) {

mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN");

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;

}

Line 2766 roff_TS(ROFF_ARGS)

Line 2927 roff_TS(ROFF_ARGS)

}

static enum rofferr

roff_brp(ROFF_ARGS)

roff_onearg(ROFF_ARGS)

{

struct roff_node *n;

char *cp;

int npos;

buf->buf[pos - 1] = '\0';

if (r->man->flags & (MAN_BLINE | MAN_ELINE) &&

return ROFF_CONT;

(tok == ROFF_sp || tok == ROFF_ti))

man_breakscope(r->man, tok);

if (roffce_node != NULL && (tok == ROFF_ce || tok == ROFF_rj)) {

r->man->last = roffce_node;

r->man->next = ROFF_NEXT_SIBLING;

}

roff_elem_alloc(r->man, ln, ppos, tok);

n = r->man->last;

cp = buf->buf + pos;

if (*cp != '\0') {

while (*cp != '\0' && *cp != ' ')

cp++;

while (*cp == ' ')

*cp++ = '\0';

if (*cp != '\0')

mandoc_vmsg(MANDOCERR_ARG_EXCESS,

r->parse, ln, cp - buf->buf,

"%s ... %s", roff_name[tok], cp);

roff_word_alloc(r->man, ln, pos, buf->buf + pos);

}

if (tok == ROFF_ce || tok == ROFF_rj) {

if (r->man->last->type == ROFFT_ELEM) {

roff_word_alloc(r->man, ln, pos, "1");

r->man->last->flags |= NODE_NOSRC;

}

npos = 0;

if (roff_evalnum(r, ln, r->man->last->string, &npos,

&roffce_lines, 0) == 0) {

mandoc_vmsg(MANDOCERR_CE_NONUM,

r->parse, ln, pos, "ce %s", buf->buf + pos);

roffce_lines = 1;

}

if (roffce_lines < 1) {

r->man->last = r->man->last->parent;

roffce_node = NULL;

roffce_lines = 0;

} else

roffce_node = r->man->last->parent;

} else {

n->flags |= NODE_VALID | NODE_ENDED;

r->man->last = n;

}

n->flags |= NODE_LINE;

r->man->next = ROFF_NEXT_SIBLING;

return ROFF_IGN;

}

static enum rofferr

roff_manyarg(ROFF_ARGS)

{

struct roff_node *n;

char *sp, *ep;

roff_elem_alloc(r->man, ln, ppos, tok);

n = r->man->last;

for (sp = ep = buf->buf + pos; *sp != '\0'; sp = ep) {

while (*ep != '\0' && *ep != ' ')

ep++;

while (*ep == ' ')

*ep++ = '\0';

roff_word_alloc(r->man, ln, sp - buf->buf, sp);

}

n->flags |= NODE_LINE | NODE_VALID | NODE_ENDED;

r->man->last = n;

r->man->next = ROFF_NEXT_SIBLING;

return ROFF_IGN;

}

static enum rofferr

roff_als(ROFF_ARGS)

{

char *oldn, *newn, *end, *value;

size_t oldsz, newsz, valsz;

newn = oldn = buf->buf + pos;

if (*newn == '\0')

return ROFF_IGN;

newsz = roff_getname(r, &oldn, ln, pos);

if (newn[newsz] == '\\' || *oldn == '\0')

return ROFF_IGN;

end = oldn;

oldsz = roff_getname(r, &end, ln, oldn - buf->buf);

if (oldsz == 0)

return ROFF_IGN;

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);

return ROFF_IGN;

}

static enum rofferr

roff_br(ROFF_ARGS)

{

if (r->man->flags & (MAN_BLINE | MAN_ELINE))

man_breakscope(r->man, ROFF_br);

roff_elem_alloc(r->man, ln, ppos, ROFF_br);

if (buf->buf[pos] != '\0')

mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos,

"%s %s", roff_name[tok], buf->buf + pos);

r->man->last->flags |= NODE_LINE | NODE_VALID | NODE_ENDED;

r->man->next = ROFF_NEXT_SIBLING;

return ROFF_IGN;

}

static enum rofferr

roff_cc(ROFF_ARGS)

{

const char *p;

Line 2781 roff_cc(ROFF_ARGS)

Line 3057 roff_cc(ROFF_ARGS)

p = buf->buf + pos;

if (*p == '\0' || (r->control = *p++) == '.')

r->control = 0;

r->control = '\0';

if (*p != '\0')

mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse,

Line 2791 roff_cc(ROFF_ARGS)

Line 3067 roff_cc(ROFF_ARGS)

}

static enum rofferr

roff_ec(ROFF_ARGS)

{

const char *p;

p = buf->buf + pos;

if (*p == '\0')

r->escape = '\\';

else {

r->escape = *p;

if (*++p != '\0')

mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse,

ln, p - buf->buf, "ec ... %s", p);

}

return ROFF_IGN;

}

static enum rofferr

roff_eo(ROFF_ARGS)

{

r->escape = '\0';

if (buf->buf[pos] != '\0')

mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse,

ln, pos, "eo %s", buf->buf + pos);

return ROFF_IGN;

}

static enum rofferr

roff_tr(ROFF_ARGS)

{

const char *p, *first, *second;

Line 2853 roff_tr(ROFF_ARGS)

Line 3156 roff_tr(ROFF_ARGS)

}

static enum rofferr

roff_rn(ROFF_ARGS)

{

const char *value;

char *oldn, *newn, *end;

size_t oldsz, newsz;

int deftype;

oldn = newn = buf->buf + pos;

if (*oldn == '\0')

return ROFF_IGN;

oldsz = roff_getname(r, &newn, ln, pos);

if (oldn[oldsz] == '\\' || *newn == '\0')

return ROFF_IGN;

end = newn;

newsz = roff_getname(r, &end, ln, newn - buf->buf);

if (newsz == 0)

return ROFF_IGN;

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);

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);

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);

break;

default:

roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0);

roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0);

break;

}

return ROFF_IGN;

}

static enum rofferr

roff_so(ROFF_ARGS)

{

char *name, *cp;

Line 2887 roff_so(ROFF_ARGS)

Line 3240 roff_so(ROFF_ARGS)

static enum rofferr

roff_userdef(ROFF_ARGS)

{

const char *arg[9], *ap;

const char *arg[16], *ap;

char *cp, *n1, *n2;

int expand_count, i, ib, ie;

size_t asz, rsz;

Line 2899 roff_userdef(ROFF_ARGS)

Line 3252 roff_userdef(ROFF_ARGS)

r->argc = 0;

cp = buf->buf + pos;

for (i = 0; i < 9; i++) {

for (i = 0; i < 16; i++) {

if (*cp == '\0')

arg[i] = "";

else {

Line 3026 roff_userdef(ROFF_ARGS)

Line 3379 roff_userdef(ROFF_ARGS)

ROFF_REPARSE : ROFF_APPEND;

}

* Calling a high-level macro that was renamed with .rn.

* r->current_string has already been set up by roff_parse().

static enum rofferr

roff_renamed(ROFF_ARGS)

{

char *nbuf;

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;

}

static size_t

roff_getname(struct roff *r, char **cpp, int ln, int pos)

{

Line 3075 static void

Line 3444 static void

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

Line 3153 roff_setstrn(struct roffkv **r, const char *name, size

Line 3525 roff_setstrn(struct roffkv **r, const char *name, size

}

static const char *

roff_getstrn(const struct roff *r, const char *name, size_t len)

roff_getstrn(const struct roff *r, const char *name, size_t len,

int *deftype)

{

const struct roffkv *n;

int i;

enum roff_tok tok;

for (n = r->strtab; n; n = n->next)

if (*deftype & ROFFDEF_USER) {

if (0 == strncmp(name, n->key.p, len) &&

for (n = r->strtab; n != NULL; n = n->next) {

'\0' == n->key.p[(int)len])

if (strncmp(name, n->key.p, len) == 0 &&

return n->val.p;

n->key.p[len] == '\0' &&

n->val.p != NULL) {

for (i = 0; i < PREDEFS_MAX; i++)

*deftype = ROFFDEF_USER;

if (0 == strncmp(name, predefs[i].name, len) &&

return n->val.p;

'\0' == predefs[i].name[(int)len])

}

return predefs[i].str;

}

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;

}

Line 3193 roff_span(const struct roff *r)

Line 3607 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.

Line 3317 roff_getcontrol(const struct roff *r, const char *cp,

Line 3724 roff_getcontrol(const struct roff *r, const char *cp,

pos = *ppos;

if (0 != r->control && cp[pos] == r->control)

if (r->control != '\0' && cp[pos] == r->control)

pos++;

else if (0 != r->control)

else if (r->control != '\0')

return 0;

else if ('\\' == cp[pos] && '.' == cp[pos + 1])

pos += 2;

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