| version 1.205, 2014/04/07 21:00:08 |
version 1.292, 2017/03/08 13:18:10 |
|
|
| /* $Id$ */ |
/* $Id$ */ |
| /* |
/* |
| * Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
| * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010-2015, 2017 Ingo Schwarze <schwarze@openbsd.org> |
| * |
* |
| * Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
|
|
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
*/ |
| #ifdef HAVE_CONFIG_H |
|
| #include "config.h" |
#include "config.h" |
| #endif |
|
| |
|
| |
#include <sys/types.h> |
| |
|
| #include <assert.h> |
#include <assert.h> |
| #include <ctype.h> |
#include <ctype.h> |
| |
#include <limits.h> |
| #include <stdio.h> |
#include <stdio.h> |
| #include <stdlib.h> |
#include <stdlib.h> |
| #include <string.h> |
#include <string.h> |
| |
|
| #include "mandoc.h" |
#include "mandoc.h" |
| #include "mandoc_aux.h" |
#include "mandoc_aux.h" |
| #include "libroff.h" |
#include "roff.h" |
| #include "libmandoc.h" |
#include "libmandoc.h" |
| |
#include "roff_int.h" |
| |
#include "libroff.h" |
| |
|
| /* Maximum number of nested if-else conditionals. */ |
|
| #define RSTACK_MAX 128 |
|
| |
|
| /* Maximum number of string expansions per line, to break infinite loops. */ |
/* Maximum number of string expansions per line, to break infinite loops. */ |
| #define EXPAND_LIMIT 1000 |
#define EXPAND_LIMIT 1000 |
| |
|
| |
/* --- data types --------------------------------------------------------- */ |
| |
|
| enum rofft { |
enum rofft { |
| |
ROFF_ab, |
| ROFF_ad, |
ROFF_ad, |
| |
ROFF_af, |
| |
ROFF_aln, |
| |
ROFF_als, |
| ROFF_am, |
ROFF_am, |
| ROFF_ami, |
|
| ROFF_am1, |
ROFF_am1, |
| |
ROFF_ami, |
| |
ROFF_ami1, |
| ROFF_as, |
ROFF_as, |
| |
ROFF_as1, |
| |
ROFF_asciify, |
| |
ROFF_backtrace, |
| |
ROFF_bd, |
| |
ROFF_bleedat, |
| |
ROFF_blm, |
| |
ROFF_box, |
| |
ROFF_boxa, |
| |
ROFF_bp, |
| |
ROFF_BP, |
| |
/* MAN_br, MDOC_br */ |
| |
ROFF_break, |
| |
ROFF_breakchar, |
| |
ROFF_brnl, |
| |
ROFF_brp, |
| |
ROFF_brpnl, |
| |
ROFF_c2, |
| ROFF_cc, |
ROFF_cc, |
| ROFF_ce, |
ROFF_ce, |
| |
ROFF_cf, |
| |
ROFF_cflags, |
| |
ROFF_ch, |
| |
ROFF_char, |
| |
ROFF_chop, |
| |
ROFF_class, |
| |
ROFF_close, |
| |
ROFF_CL, |
| |
ROFF_color, |
| |
ROFF_composite, |
| |
ROFF_continue, |
| |
ROFF_cp, |
| |
ROFF_cropat, |
| |
ROFF_cs, |
| |
ROFF_cu, |
| |
ROFF_da, |
| |
ROFF_dch, |
| |
ROFF_Dd, |
| ROFF_de, |
ROFF_de, |
| ROFF_dei, |
|
| ROFF_de1, |
ROFF_de1, |
| |
ROFF_defcolor, |
| |
ROFF_dei, |
| |
ROFF_dei1, |
| |
ROFF_device, |
| |
ROFF_devicem, |
| |
ROFF_di, |
| |
ROFF_do, |
| ROFF_ds, |
ROFF_ds, |
| |
ROFF_ds1, |
| |
ROFF_dwh, |
| |
ROFF_dt, |
| |
ROFF_ec, |
| |
ROFF_ecr, |
| |
ROFF_ecs, |
| ROFF_el, |
ROFF_el, |
| |
ROFF_em, |
| |
ROFF_EN, |
| |
ROFF_eo, |
| |
ROFF_EP, |
| |
ROFF_EQ, |
| |
ROFF_errprint, |
| |
ROFF_ev, |
| |
ROFF_evc, |
| |
ROFF_ex, |
| |
ROFF_fallback, |
| ROFF_fam, |
ROFF_fam, |
| |
ROFF_fc, |
| |
ROFF_fchar, |
| |
ROFF_fcolor, |
| |
ROFF_fdeferlig, |
| |
ROFF_feature, |
| |
/* MAN_fi; ignored in mdoc(7) */ |
| |
ROFF_fkern, |
| |
ROFF_fl, |
| |
ROFF_flig, |
| |
ROFF_fp, |
| |
ROFF_fps, |
| |
ROFF_fschar, |
| |
ROFF_fspacewidth, |
| |
ROFF_fspecial, |
| |
/* MAN_ft; ignored in mdoc(7) */ |
| |
ROFF_ftr, |
| |
ROFF_fzoom, |
| |
ROFF_gcolor, |
| |
ROFF_hc, |
| |
ROFF_hcode, |
| |
ROFF_hidechar, |
| |
ROFF_hla, |
| |
ROFF_hlm, |
| |
ROFF_hpf, |
| |
ROFF_hpfa, |
| |
ROFF_hpfcode, |
| ROFF_hw, |
ROFF_hw, |
| ROFF_hy, |
ROFF_hy, |
| |
ROFF_hylang, |
| |
ROFF_hylen, |
| |
ROFF_hym, |
| |
ROFF_hypp, |
| |
ROFF_hys, |
| ROFF_ie, |
ROFF_ie, |
| ROFF_if, |
ROFF_if, |
| ROFF_ig, |
ROFF_ig, |
| |
/* MAN_in; ignored in mdoc(7) */ |
| |
ROFF_index, |
| ROFF_it, |
ROFF_it, |
| |
ROFF_itc, |
| |
ROFF_IX, |
| |
ROFF_kern, |
| |
ROFF_kernafter, |
| |
ROFF_kernbefore, |
| |
ROFF_kernpair, |
| |
ROFF_lc, |
| |
ROFF_lc_ctype, |
| |
ROFF_lds, |
| |
ROFF_length, |
| |
ROFF_letadj, |
| |
ROFF_lf, |
| |
ROFF_lg, |
| |
ROFF_lhang, |
| |
ROFF_linetabs, |
| |
/* MAN_ll, MDOC_ll */ |
| |
ROFF_lnr, |
| |
ROFF_lnrf, |
| |
ROFF_lpfx, |
| |
ROFF_ls, |
| |
ROFF_lsm, |
| |
ROFF_lt, |
| |
ROFF_mc, |
| |
ROFF_mediasize, |
| |
ROFF_minss, |
| |
ROFF_mk, |
| |
ROFF_mso, |
| |
ROFF_na, |
| ROFF_ne, |
ROFF_ne, |
| |
/* MAN_nf; ignored in mdoc(7) */ |
| ROFF_nh, |
ROFF_nh, |
| |
ROFF_nhychar, |
| |
ROFF_nm, |
| |
ROFF_nn, |
| |
ROFF_nop, |
| ROFF_nr, |
ROFF_nr, |
| |
ROFF_nrf, |
| |
ROFF_nroff, |
| ROFF_ns, |
ROFF_ns, |
| |
ROFF_nx, |
| |
ROFF_open, |
| |
ROFF_opena, |
| |
ROFF_os, |
| |
ROFF_output, |
| |
ROFF_padj, |
| |
ROFF_papersize, |
| |
ROFF_pc, |
| |
ROFF_pev, |
| |
ROFF_pi, |
| |
ROFF_PI, |
| |
ROFF_pl, |
| |
ROFF_pm, |
| |
ROFF_pn, |
| |
ROFF_pnr, |
| |
ROFF_po, |
| ROFF_ps, |
ROFF_ps, |
| |
ROFF_psbb, |
| |
ROFF_pshape, |
| |
ROFF_pso, |
| |
ROFF_ptr, |
| |
ROFF_pvs, |
| |
ROFF_rchar, |
| |
ROFF_rd, |
| |
ROFF_recursionlimit, |
| |
ROFF_return, |
| |
ROFF_rfschar, |
| |
ROFF_rhang, |
| |
ROFF_rj, |
| ROFF_rm, |
ROFF_rm, |
| |
ROFF_rn, |
| |
ROFF_rnn, |
| ROFF_rr, |
ROFF_rr, |
| |
ROFF_rs, |
| |
ROFF_rt, |
| |
ROFF_schar, |
| |
ROFF_sentchar, |
| |
ROFF_shc, |
| |
ROFF_shift, |
| |
ROFF_sizes, |
| ROFF_so, |
ROFF_so, |
| |
/* MAN_sp, MDOC_sp */ |
| |
ROFF_spacewidth, |
| |
ROFF_special, |
| |
ROFF_spreadwarn, |
| |
ROFF_ss, |
| |
ROFF_sty, |
| |
ROFF_substring, |
| |
ROFF_sv, |
| |
ROFF_sy, |
| |
ROFF_T_, |
| ROFF_ta, |
ROFF_ta, |
| ROFF_tr, |
ROFF_tc, |
| ROFF_Dd, |
ROFF_TE, |
| ROFF_TH, |
ROFF_TH, |
| |
ROFF_ti, |
| |
ROFF_tkf, |
| |
ROFF_tl, |
| |
ROFF_tm, |
| |
ROFF_tm1, |
| |
ROFF_tmc, |
| |
ROFF_tr, |
| |
ROFF_track, |
| |
ROFF_transchar, |
| |
ROFF_trf, |
| |
ROFF_trimat, |
| |
ROFF_trin, |
| |
ROFF_trnt, |
| |
ROFF_troff, |
| ROFF_TS, |
ROFF_TS, |
| ROFF_TE, |
ROFF_uf, |
| ROFF_T_, |
ROFF_ul, |
| ROFF_EQ, |
ROFF_unformat, |
| ROFF_EN, |
ROFF_unwatch, |
| |
ROFF_unwatchn, |
| |
ROFF_vpt, |
| |
ROFF_vs, |
| |
ROFF_warn, |
| |
ROFF_warnscale, |
| |
ROFF_watch, |
| |
ROFF_watchlength, |
| |
ROFF_watchn, |
| |
ROFF_wh, |
| |
ROFF_while, |
| |
ROFF_write, |
| |
ROFF_writec, |
| |
ROFF_writem, |
| |
ROFF_xflag, |
| ROFF_cblock, |
ROFF_cblock, |
| ROFF_USERDEF, |
ROFF_USERDEF, |
| ROFF_MAX |
ROFF_MAX |
| Line 106 struct roffreg { |
|
| Line 313 struct roffreg { |
|
| |
|
| struct roff { |
struct roff { |
| struct mparse *parse; /* parse point */ |
struct mparse *parse; /* parse point */ |
| int options; /* parse options */ |
|
| struct roffnode *last; /* leaf of stack */ |
struct roffnode *last; /* leaf of stack */ |
| int rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
int *rstack; /* stack of inverted `ie' values */ |
| char control; /* control character */ |
|
| int rstackpos; /* position in rstack */ |
|
| struct roffreg *regtab; /* number registers */ |
struct roffreg *regtab; /* number registers */ |
| struct roffkv *strtab; /* user-defined strings & macros */ |
struct roffkv *strtab; /* user-defined strings & macros */ |
| struct roffkv *xmbtab; /* multi-byte trans table (`tr') */ |
struct roffkv *xmbtab; /* multi-byte trans table (`tr') */ |
|
|
| struct eqn_node *last_eqn; /* last equation parsed */ |
struct eqn_node *last_eqn; /* last equation parsed */ |
| struct eqn_node *first_eqn; /* first equation parsed */ |
struct eqn_node *first_eqn; /* first equation parsed */ |
| struct eqn_node *eqn; /* current equation being parsed */ |
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 */ |
| |
int rstackpos; /* position in rstack */ |
| |
int format; /* current file in mdoc or man format */ |
| |
int argc; /* number of args of the last macro */ |
| |
char control; /* control character */ |
| }; |
}; |
| |
|
| struct roffnode { |
struct roffnode { |
| Line 137 struct roffnode { |
|
| Line 348 struct roffnode { |
|
| |
|
| #define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
#define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
| enum rofft tok, /* tok of macro */ \ |
enum rofft tok, /* tok of macro */ \ |
| char **bufp, /* input buffer */ \ |
struct buf *buf, /* input buffer */ \ |
| size_t *szp, /* size of input buffer */ \ |
|
| int ln, /* parse line */ \ |
int ln, /* parse line */ \ |
| int ppos, /* original pos in buffer */ \ |
int ppos, /* original pos in buffer */ \ |
| int pos, /* current pos in buffer */ \ |
int pos, /* current pos in buffer */ \ |
|
|
| #define PREDEF(__name, __str) \ |
#define PREDEF(__name, __str) \ |
| { (__name), (__str) }, |
{ (__name), (__str) }, |
| |
|
| |
/* --- function prototypes ------------------------------------------------ */ |
| |
|
| static enum rofft roffhash_find(const char *, size_t); |
static enum rofft roffhash_find(const char *, size_t); |
| static void roffhash_init(void); |
static void roffhash_init(void); |
| static void roffnode_cleanscope(struct roff *); |
static void roffnode_cleanscope(struct roff *); |
| Line 173 static void roffnode_push(struct roff *, enum rofft, |
|
| Line 385 static void roffnode_push(struct roff *, enum rofft, |
|
| static enum rofferr roff_block(ROFF_ARGS); |
static enum rofferr roff_block(ROFF_ARGS); |
| static enum rofferr roff_block_text(ROFF_ARGS); |
static enum rofferr roff_block_text(ROFF_ARGS); |
| static enum rofferr roff_block_sub(ROFF_ARGS); |
static enum rofferr roff_block_sub(ROFF_ARGS); |
| |
static enum rofferr roff_brp(ROFF_ARGS); |
| static enum rofferr roff_cblock(ROFF_ARGS); |
static enum rofferr roff_cblock(ROFF_ARGS); |
| static enum rofferr roff_cc(ROFF_ARGS); |
static enum rofferr roff_cc(ROFF_ARGS); |
| static void roff_ccond(struct roff *, int, int); |
static void roff_ccond(struct roff *, int, int); |
| Line 180 static enum rofferr roff_cond(ROFF_ARGS); |
|
| Line 393 static enum rofferr roff_cond(ROFF_ARGS); |
|
| static enum rofferr roff_cond_text(ROFF_ARGS); |
static enum rofferr roff_cond_text(ROFF_ARGS); |
| static enum rofferr roff_cond_sub(ROFF_ARGS); |
static enum rofferr roff_cond_sub(ROFF_ARGS); |
| static enum rofferr roff_ds(ROFF_ARGS); |
static enum rofferr roff_ds(ROFF_ARGS); |
| static int roff_evalcond(const char *, int *); |
static enum rofferr roff_eqndelim(struct roff *, struct buf *, int); |
| static int roff_evalnum(const char *, int *, int *, int); |
static int roff_evalcond(struct roff *r, int, char *, int *); |
| static int roff_evalpar(const char *, int *, int *); |
static int roff_evalnum(struct roff *, int, |
| |
const char *, int *, int *, int); |
| |
static int roff_evalpar(struct roff *, int, |
| |
const char *, int *, int *, int); |
| static int roff_evalstrcond(const char *, int *); |
static int roff_evalstrcond(const char *, int *); |
| static void roff_free1(struct roff *); |
static void roff_free1(struct roff *); |
| static void roff_freereg(struct roffreg *); |
static void roff_freereg(struct roffreg *); |
| static void roff_freestr(struct roffkv *); |
static void roff_freestr(struct roffkv *); |
| static char *roff_getname(struct roff *, char **, int, int); |
static size_t roff_getname(struct roff *, char **, int, int); |
| static int roff_getnum(const char *, int *, int *); |
static int roff_getnum(const char *, int *, int *, int); |
| static int roff_getop(const char *, int *, char *); |
static int roff_getop(const char *, int *, char *); |
| static int roff_getregn(const struct roff *, |
static int roff_getregn(const struct roff *, |
| const char *, size_t); |
const char *, size_t); |
| static int roff_getregro(const char *name); |
static int roff_getregro(const struct roff *, |
| static const char *roff_getstrn(const struct roff *, |
const char *name); |
| |
static const char *roff_getstrn(const struct roff *, |
| const char *, size_t); |
const char *, size_t); |
| |
static int roff_hasregn(const struct roff *, |
| |
const char *, size_t); |
| |
static enum rofferr roff_insec(ROFF_ARGS); |
| static enum rofferr roff_it(ROFF_ARGS); |
static enum rofferr roff_it(ROFF_ARGS); |
| static enum rofferr roff_line_ignore(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_nr(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
| static void roff_openeqn(struct roff *, const char *, |
static enum rofft roff_parse(struct roff *, char *, int *, |
| int, int, const char *); |
int, int); |
| static enum rofft roff_parse(struct roff *, const char *, int *); |
static enum rofferr roff_parsetext(struct buf *, int, int *); |
| static enum rofferr roff_parsetext(char **, size_t *, int, int *); |
static enum rofferr roff_res(struct roff *, struct buf *, int, int); |
| static enum rofferr roff_res(struct roff *, |
|
| char **, size_t *, int, int); |
|
| static enum rofferr roff_rm(ROFF_ARGS); |
static enum rofferr roff_rm(ROFF_ARGS); |
| static enum rofferr roff_rr(ROFF_ARGS); |
static enum rofferr roff_rr(ROFF_ARGS); |
| static void roff_setstr(struct roff *, |
static void roff_setstr(struct roff *, |
| const char *, const char *, int); |
const char *, const char *, int); |
| static void roff_setstrn(struct roffkv **, const char *, |
static void roff_setstrn(struct roffkv **, const char *, |
| size_t, const char *, size_t, int); |
size_t, const char *, size_t, int); |
| static enum rofferr roff_so(ROFF_ARGS); |
static enum rofferr roff_so(ROFF_ARGS); |
| static enum rofferr roff_tr(ROFF_ARGS); |
static enum rofferr roff_tr(ROFF_ARGS); |
| Line 219 static enum rofferr roff_TS(ROFF_ARGS); |
|
| Line 439 static enum rofferr roff_TS(ROFF_ARGS); |
|
| static enum rofferr roff_EQ(ROFF_ARGS); |
static enum rofferr roff_EQ(ROFF_ARGS); |
| static enum rofferr roff_EN(ROFF_ARGS); |
static enum rofferr roff_EN(ROFF_ARGS); |
| static enum rofferr roff_T_(ROFF_ARGS); |
static enum rofferr roff_T_(ROFF_ARGS); |
| |
static enum rofferr roff_unsupp(ROFF_ARGS); |
| static enum rofferr roff_userdef(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
| |
|
| |
/* --- constant data ------------------------------------------------------ */ |
| |
|
| /* See roffhash_find() */ |
/* See roffhash_find() */ |
| |
|
| #define ASCII_HI 126 |
#define ASCII_HI 126 |
| #define ASCII_LO 33 |
#define ASCII_LO 33 |
| #define HASHWIDTH (ASCII_HI - ASCII_LO + 1) |
#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(). */ |
| |
|
| static struct roffmac *hash[HASHWIDTH]; |
static struct roffmac *hash[HASHWIDTH]; |
| |
|
| static struct roffmac roffs[ROFF_MAX] = { |
static struct roffmac roffs[ROFF_MAX] = { |
| |
{ "ab", roff_unsupp, NULL, NULL, 0, NULL }, |
| { "ad", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ad", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "af", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "aln", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "als", roff_unsupp, NULL, NULL, 0, NULL }, |
| { "am", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "am", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
| { "ami", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
|
| { "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
| |
{ "ami", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
| |
{ "ami1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
| { "as", roff_ds, NULL, NULL, 0, NULL }, |
{ "as", roff_ds, NULL, NULL, 0, NULL }, |
| |
{ "as1", roff_ds, NULL, NULL, 0, NULL }, |
| |
{ "asciify", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "backtrace", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "bd", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "bleedat", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "blm", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "box", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "boxa", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "bp", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "BP", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "break", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "breakchar", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "brnl", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "brp", roff_brp, NULL, NULL, 0, NULL }, |
| |
{ "brpnl", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "c2", roff_unsupp, NULL, NULL, 0, NULL }, |
| { "cc", roff_cc, NULL, NULL, 0, NULL }, |
{ "cc", roff_cc, NULL, NULL, 0, NULL }, |
| { "ce", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ce", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "cf", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "cflags", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "ch", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "char", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "chop", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "class", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "close", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "CL", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "color", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "composite", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "continue", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "cp", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "cropat", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "cs", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "cu", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "da", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "dch", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "Dd", roff_Dd, NULL, NULL, 0, NULL }, |
| { "de", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "de", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
| { "dei", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
|
| { "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
| |
{ "defcolor", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "dei", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
| |
{ "dei1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
| |
{ "device", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "devicem", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "di", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "do", roff_unsupp, NULL, NULL, 0, NULL }, |
| { "ds", roff_ds, NULL, NULL, 0, NULL }, |
{ "ds", roff_ds, NULL, NULL, 0, NULL }, |
| |
{ "ds1", roff_ds, NULL, NULL, 0, NULL }, |
| |
{ "dwh", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "dt", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "ec", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "ecr", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "ecs", roff_unsupp, NULL, NULL, 0, NULL }, |
| { "el", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "el", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
| |
{ "em", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "EN", roff_EN, NULL, NULL, 0, NULL }, |
| |
{ "eo", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "EP", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "EQ", roff_EQ, NULL, NULL, 0, NULL }, |
| |
{ "errprint", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "ev", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "evc", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "ex", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "fallback", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "fam", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "fam", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "fc", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "fchar", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "fcolor", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "fdeferlig", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "feature", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "fkern", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "fl", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "flig", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "fp", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "fps", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "fschar", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "fspacewidth", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "fspecial", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "ftr", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "fzoom", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "gcolor", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hc", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hcode", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hidechar", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hla", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hlm", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hpf", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hpfa", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hpfcode", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "hw", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "hw", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "hy", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "hy", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hylang", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hylen", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hym", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hypp", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "hys", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
| { "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
| { "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
| |
{ "index", roff_unsupp, NULL, NULL, 0, NULL }, |
| { "it", roff_it, NULL, NULL, 0, NULL }, |
{ "it", roff_it, NULL, NULL, 0, NULL }, |
| |
{ "itc", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "IX", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "kern", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "kernafter", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "kernbefore", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "kernpair", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "lc", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "lc_ctype", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "lds", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "length", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "letadj", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "lf", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "lg", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "lhang", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "linetabs", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "lnr", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "lnrf", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "lpfx", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "ls", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "lsm", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "lt", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "mc", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "mediasize", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "minss", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "mk", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "mso", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "na", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "ne", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ne", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "nh", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "nh", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "nhychar", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "nm", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "nn", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "nop", roff_unsupp, NULL, NULL, 0, NULL }, |
| { "nr", roff_nr, NULL, NULL, 0, NULL }, |
{ "nr", roff_nr, NULL, NULL, 0, NULL }, |
| |
{ "nrf", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "nroff", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "ns", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ns", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "nx", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "open", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "opena", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "os", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "output", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "padj", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "papersize", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "pc", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "pev", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "pi", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "PI", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "pl", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "pm", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "pn", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "pnr", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "po", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "ps", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ps", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "psbb", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "pshape", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "pso", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "ptr", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "pvs", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "rchar", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "rd", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "recursionlimit", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "return", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "rfschar", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "rhang", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "rj", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "rm", roff_rm, NULL, NULL, 0, NULL }, |
{ "rm", roff_rm, NULL, NULL, 0, NULL }, |
| |
{ "rn", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "rnn", roff_unsupp, NULL, NULL, 0, NULL }, |
| { "rr", roff_rr, NULL, NULL, 0, NULL }, |
{ "rr", roff_rr, NULL, NULL, 0, NULL }, |
| |
{ "rs", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "rt", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "schar", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "sentchar", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "shc", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "shift", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "sizes", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "so", roff_so, NULL, NULL, 0, NULL }, |
{ "so", roff_so, NULL, NULL, 0, NULL }, |
| { "ta", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "spacewidth", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "tr", roff_tr, NULL, NULL, 0, NULL }, |
{ "special", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "Dd", roff_Dd, NULL, NULL, 0, NULL }, |
{ "spreadwarn", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "ss", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "sty", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "substring", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "sv", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "sy", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "T&", roff_T_, NULL, NULL, 0, NULL }, |
| |
{ "ta", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "tc", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "TE", roff_TE, NULL, NULL, 0, NULL }, |
| { "TH", roff_TH, NULL, NULL, 0, NULL }, |
{ "TH", roff_TH, NULL, NULL, 0, NULL }, |
| |
{ "ti", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "tkf", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "tl", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "tm", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "tm1", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "tmc", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "tr", roff_tr, NULL, NULL, 0, NULL }, |
| |
{ "track", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "transchar", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "trf", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "trimat", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "trin", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "trnt", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "troff", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "TS", roff_TS, NULL, NULL, 0, NULL }, |
{ "TS", roff_TS, NULL, NULL, 0, NULL }, |
| { "TE", roff_TE, NULL, NULL, 0, NULL }, |
{ "uf", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "T&", roff_T_, NULL, NULL, 0, NULL }, |
{ "ul", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { "EQ", roff_EQ, NULL, NULL, 0, NULL }, |
{ "unformat", roff_unsupp, NULL, NULL, 0, NULL }, |
| { "EN", roff_EN, NULL, NULL, 0, NULL }, |
{ "unwatch", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "unwatchn", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "vpt", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "vs", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "warn", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "warnscale", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "watch", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "watchlength", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "watchn", roff_line_ignore, NULL, NULL, 0, NULL }, |
| |
{ "wh", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "while", roff_unsupp, NULL, NULL, 0, NULL }, |
| |
{ "write", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "writec", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "writem", roff_insec, NULL, NULL, 0, NULL }, |
| |
{ "xflag", roff_line_ignore, NULL, NULL, 0, NULL }, |
| { ".", roff_cblock, NULL, NULL, 0, NULL }, |
{ ".", roff_cblock, NULL, NULL, 0, NULL }, |
| { NULL, roff_userdef, NULL, NULL, 0, NULL }, |
{ NULL, roff_userdef, NULL, NULL, 0, NULL }, |
| }; |
}; |
| Line 315 static const struct predef predefs[PREDEFS_MAX] = { |
|
| Line 739 static const struct predef predefs[PREDEFS_MAX] = { |
|
| static int roffit_lines; /* number of lines to delay */ |
static int roffit_lines; /* number of lines to delay */ |
| static char *roffit_macro; /* nil-terminated macro line */ |
static char *roffit_macro; /* nil-terminated macro line */ |
| |
|
| |
|
| |
/* --- request table ------------------------------------------------------ */ |
| |
|
| static void |
static void |
| roffhash_init(void) |
roffhash_init(void) |
| { |
{ |
| Line 354 roffhash_find(const char *p, size_t s) |
|
| Line 781 roffhash_find(const char *p, size_t s) |
|
| */ |
*/ |
| |
|
| if (p[0] < ASCII_LO || p[0] > ASCII_HI) |
if (p[0] < ASCII_LO || p[0] > ASCII_HI) |
| return(ROFF_MAX); |
return ROFF_MAX; |
| |
|
| buc = ROFF_HASH(p); |
buc = ROFF_HASH(p); |
| |
|
| if (NULL == (n = hash[buc])) |
if (NULL == (n = hash[buc])) |
| return(ROFF_MAX); |
return ROFF_MAX; |
| for ( ; n; n = n->next) |
for ( ; n; n = n->next) |
| if (0 == strncmp(n->name, p, s) && '\0' == n->name[(int)s]) |
if (0 == strncmp(n->name, p, s) && '\0' == n->name[(int)s]) |
| return((enum rofft)(n - roffs)); |
return (enum rofft)(n - roffs); |
| |
|
| return(ROFF_MAX); |
return ROFF_MAX; |
| } |
} |
| |
|
| |
/* --- stack of request blocks -------------------------------------------- */ |
| |
|
| /* |
/* |
| * Pop the current node off of the stack of roff instructions currently |
* Pop the current node off of the stack of roff instructions currently |
| Line 378 roffnode_pop(struct roff *r) |
|
| Line 806 roffnode_pop(struct roff *r) |
|
| struct roffnode *p; |
struct roffnode *p; |
| |
|
| assert(r->last); |
assert(r->last); |
| p = r->last; |
p = r->last; |
| |
|
| r->last = r->last->parent; |
r->last = r->last->parent; |
| free(p->name); |
free(p->name); |
| Line 386 roffnode_pop(struct roff *r) |
|
| Line 814 roffnode_pop(struct roff *r) |
|
| free(p); |
free(p); |
| } |
} |
| |
|
| |
|
| /* |
/* |
| * Push a roff node onto the instruction stack. This must later be |
* Push a roff node onto the instruction stack. This must later be |
| * removed with roffnode_pop(). |
* removed with roffnode_pop(). |
| Line 409 roffnode_push(struct roff *r, enum rofft tok, const ch |
|
| Line 836 roffnode_push(struct roff *r, enum rofft tok, const ch |
|
| r->last = p; |
r->last = p; |
| } |
} |
| |
|
| |
/* --- roff parser state data management ---------------------------------- */ |
| |
|
| static void |
static void |
| roff_free1(struct roff *r) |
roff_free1(struct roff *r) |
| Line 421 roff_free1(struct roff *r) |
|
| Line 849 roff_free1(struct roff *r) |
|
| r->first_tbl = tbl->next; |
r->first_tbl = tbl->next; |
| tbl_free(tbl); |
tbl_free(tbl); |
| } |
} |
| |
|
| r->first_tbl = r->last_tbl = r->tbl = NULL; |
r->first_tbl = r->last_tbl = r->tbl = NULL; |
| |
|
| while (NULL != (e = r->first_eqn)) { |
while (NULL != (e = r->first_eqn)) { |
| r->first_eqn = e->next; |
r->first_eqn = e->next; |
| eqn_free(e); |
eqn_free(e); |
| } |
} |
| |
|
| r->first_eqn = r->last_eqn = r->eqn = NULL; |
r->first_eqn = r->last_eqn = r->eqn = NULL; |
| |
|
| while (r->last) |
while (r->last) |
| roffnode_pop(r); |
roffnode_pop(r); |
| |
|
| roff_freestr(r->strtab); |
free (r->rstack); |
| roff_freestr(r->xmbtab); |
r->rstack = NULL; |
| |
r->rstacksz = 0; |
| |
r->rstackpos = -1; |
| |
|
| r->strtab = r->xmbtab = NULL; |
|
| |
|
| roff_freereg(r->regtab); |
roff_freereg(r->regtab); |
| |
|
| r->regtab = NULL; |
r->regtab = NULL; |
| |
|
| |
roff_freestr(r->strtab); |
| |
roff_freestr(r->xmbtab); |
| |
r->strtab = r->xmbtab = NULL; |
| |
|
| if (r->xtab) |
if (r->xtab) |
| for (i = 0; i < 128; i++) |
for (i = 0; i < 128; i++) |
| free(r->xtab[i].p); |
free(r->xtab[i].p); |
| |
|
| free(r->xtab); |
free(r->xtab); |
| r->xtab = NULL; |
r->xtab = NULL; |
| } |
} |
| Line 456 roff_reset(struct roff *r) |
|
| Line 884 roff_reset(struct roff *r) |
|
| { |
{ |
| |
|
| roff_free1(r); |
roff_free1(r); |
| |
r->format = r->options & (MPARSE_MDOC | MPARSE_MAN); |
| r->control = 0; |
r->control = 0; |
| } |
} |
| |
|
| |
|
| void |
void |
| roff_free(struct roff *r) |
roff_free(struct roff *r) |
| { |
{ |
| Line 468 roff_free(struct roff *r) |
|
| Line 896 roff_free(struct roff *r) |
|
| free(r); |
free(r); |
| } |
} |
| |
|
| |
|
| struct roff * |
struct roff * |
| roff_alloc(struct mparse *parse, int options) |
roff_alloc(struct mparse *parse, int options) |
| { |
{ |
| Line 477 roff_alloc(struct mparse *parse, int options) |
|
| Line 904 roff_alloc(struct mparse *parse, int options) |
|
| r = mandoc_calloc(1, sizeof(struct roff)); |
r = mandoc_calloc(1, sizeof(struct roff)); |
| r->parse = parse; |
r->parse = parse; |
| r->options = options; |
r->options = options; |
| |
r->format = options & (MPARSE_MDOC | MPARSE_MAN); |
| r->rstackpos = -1; |
r->rstackpos = -1; |
| |
|
| roffhash_init(); |
roffhash_init(); |
| |
|
| return(r); |
return r; |
| } |
} |
| |
|
| |
/* --- syntax tree state data management ---------------------------------- */ |
| |
|
| |
static void |
| |
roff_man_free1(struct roff_man *man) |
| |
{ |
| |
|
| |
if (man->first != NULL) |
| |
roff_node_delete(man, man->first); |
| |
free(man->meta.msec); |
| |
free(man->meta.vol); |
| |
free(man->meta.os); |
| |
free(man->meta.arch); |
| |
free(man->meta.title); |
| |
free(man->meta.name); |
| |
free(man->meta.date); |
| |
} |
| |
|
| |
static void |
| |
roff_man_alloc1(struct roff_man *man) |
| |
{ |
| |
|
| |
memset(&man->meta, 0, sizeof(man->meta)); |
| |
man->first = mandoc_calloc(1, sizeof(*man->first)); |
| |
man->first->type = ROFFT_ROOT; |
| |
man->last = man->first; |
| |
man->last_es = NULL; |
| |
man->flags = 0; |
| |
man->macroset = MACROSET_NONE; |
| |
man->lastsec = man->lastnamed = SEC_NONE; |
| |
man->next = ROFF_NEXT_CHILD; |
| |
} |
| |
|
| |
void |
| |
roff_man_reset(struct roff_man *man) |
| |
{ |
| |
|
| |
roff_man_free1(man); |
| |
roff_man_alloc1(man); |
| |
} |
| |
|
| |
void |
| |
roff_man_free(struct roff_man *man) |
| |
{ |
| |
|
| |
roff_man_free1(man); |
| |
free(man); |
| |
} |
| |
|
| |
struct roff_man * |
| |
roff_man_alloc(struct roff *roff, struct mparse *parse, |
| |
const char *defos, int quick) |
| |
{ |
| |
struct roff_man *man; |
| |
|
| |
man = mandoc_calloc(1, sizeof(*man)); |
| |
man->parse = parse; |
| |
man->roff = roff; |
| |
man->defos = defos; |
| |
man->quick = quick; |
| |
roff_man_alloc1(man); |
| |
return man; |
| |
} |
| |
|
| |
/* --- syntax tree handling ----------------------------------------------- */ |
| |
|
| |
struct roff_node * |
| |
roff_node_alloc(struct roff_man *man, int line, int pos, |
| |
enum roff_type type, int tok) |
| |
{ |
| |
struct roff_node *n; |
| |
|
| |
n = mandoc_calloc(1, sizeof(*n)); |
| |
n->line = line; |
| |
n->pos = pos; |
| |
n->tok = tok; |
| |
n->type = type; |
| |
n->sec = man->lastsec; |
| |
|
| |
if (man->flags & MDOC_SYNOPSIS) |
| |
n->flags |= NODE_SYNPRETTY; |
| |
else |
| |
n->flags &= ~NODE_SYNPRETTY; |
| |
if (man->flags & MDOC_NEWLINE) |
| |
n->flags |= NODE_LINE; |
| |
man->flags &= ~MDOC_NEWLINE; |
| |
|
| |
return n; |
| |
} |
| |
|
| |
void |
| |
roff_node_append(struct roff_man *man, struct roff_node *n) |
| |
{ |
| |
|
| |
switch (man->next) { |
| |
case ROFF_NEXT_SIBLING: |
| |
if (man->last->next != NULL) { |
| |
n->next = man->last->next; |
| |
man->last->next->prev = n; |
| |
} else |
| |
man->last->parent->last = n; |
| |
man->last->next = n; |
| |
n->prev = man->last; |
| |
n->parent = man->last->parent; |
| |
break; |
| |
case ROFF_NEXT_CHILD: |
| |
if (man->last->child != NULL) { |
| |
n->next = man->last->child; |
| |
man->last->child->prev = n; |
| |
} else |
| |
man->last->last = n; |
| |
man->last->child = n; |
| |
n->parent = man->last; |
| |
break; |
| |
default: |
| |
abort(); |
| |
} |
| |
man->last = n; |
| |
|
| |
switch (n->type) { |
| |
case ROFFT_HEAD: |
| |
n->parent->head = n; |
| |
break; |
| |
case ROFFT_BODY: |
| |
if (n->end != ENDBODY_NOT) |
| |
return; |
| |
n->parent->body = n; |
| |
break; |
| |
case ROFFT_TAIL: |
| |
n->parent->tail = n; |
| |
break; |
| |
default: |
| |
return; |
| |
} |
| |
|
| |
/* |
| |
* Copy over the normalised-data pointer of our parent. Not |
| |
* everybody has one, but copying a null pointer is fine. |
| |
*/ |
| |
|
| |
n->norm = n->parent->norm; |
| |
assert(n->parent->type == ROFFT_BLOCK); |
| |
} |
| |
|
| |
void |
| |
roff_word_alloc(struct roff_man *man, int line, int pos, const char *word) |
| |
{ |
| |
struct roff_node *n; |
| |
|
| |
n = roff_node_alloc(man, line, pos, ROFFT_TEXT, TOKEN_NONE); |
| |
n->string = roff_strdup(man->roff, word); |
| |
roff_node_append(man, n); |
| |
n->flags |= NODE_VALID | NODE_ENDED; |
| |
man->next = ROFF_NEXT_SIBLING; |
| |
} |
| |
|
| |
void |
| |
roff_word_append(struct roff_man *man, const char *word) |
| |
{ |
| |
struct roff_node *n; |
| |
char *addstr, *newstr; |
| |
|
| |
n = man->last; |
| |
addstr = roff_strdup(man->roff, word); |
| |
mandoc_asprintf(&newstr, "%s %s", n->string, addstr); |
| |
free(addstr); |
| |
free(n->string); |
| |
n->string = newstr; |
| |
man->next = ROFF_NEXT_SIBLING; |
| |
} |
| |
|
| |
void |
| |
roff_elem_alloc(struct roff_man *man, int line, int pos, int tok) |
| |
{ |
| |
struct roff_node *n; |
| |
|
| |
n = roff_node_alloc(man, line, pos, ROFFT_ELEM, tok); |
| |
roff_node_append(man, n); |
| |
man->next = ROFF_NEXT_CHILD; |
| |
} |
| |
|
| |
struct roff_node * |
| |
roff_block_alloc(struct roff_man *man, int line, int pos, int tok) |
| |
{ |
| |
struct roff_node *n; |
| |
|
| |
n = roff_node_alloc(man, line, pos, ROFFT_BLOCK, tok); |
| |
roff_node_append(man, n); |
| |
man->next = ROFF_NEXT_CHILD; |
| |
return n; |
| |
} |
| |
|
| |
struct roff_node * |
| |
roff_head_alloc(struct roff_man *man, int line, int pos, int tok) |
| |
{ |
| |
struct roff_node *n; |
| |
|
| |
n = roff_node_alloc(man, line, pos, ROFFT_HEAD, tok); |
| |
roff_node_append(man, n); |
| |
man->next = ROFF_NEXT_CHILD; |
| |
return n; |
| |
} |
| |
|
| |
struct roff_node * |
| |
roff_body_alloc(struct roff_man *man, int line, int pos, int tok) |
| |
{ |
| |
struct roff_node *n; |
| |
|
| |
n = roff_node_alloc(man, line, pos, ROFFT_BODY, tok); |
| |
roff_node_append(man, n); |
| |
man->next = ROFF_NEXT_CHILD; |
| |
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) |
| |
{ |
| |
struct roff_node *n; |
| |
|
| |
if (man->macroset == MACROSET_MAN) |
| |
man_breakscope(man, TOKEN_NONE); |
| |
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; |
| |
} |
| |
|
| |
void |
| |
roff_node_unlink(struct roff_man *man, struct roff_node *n) |
| |
{ |
| |
|
| |
/* Adjust siblings. */ |
| |
|
| |
if (n->prev) |
| |
n->prev->next = n->next; |
| |
if (n->next) |
| |
n->next->prev = n->prev; |
| |
|
| |
/* Adjust parent. */ |
| |
|
| |
if (n->parent != NULL) { |
| |
if (n->parent->child == n) |
| |
n->parent->child = n->next; |
| |
if (n->parent->last == n) |
| |
n->parent->last = n->prev; |
| |
} |
| |
|
| |
/* Adjust parse point. */ |
| |
|
| |
if (man == NULL) |
| |
return; |
| |
if (man->last == n) { |
| |
if (n->prev == NULL) { |
| |
man->last = n->parent; |
| |
man->next = ROFF_NEXT_CHILD; |
| |
} else { |
| |
man->last = n->prev; |
| |
man->next = ROFF_NEXT_SIBLING; |
| |
} |
| |
} |
| |
if (man->first == n) |
| |
man->first = NULL; |
| |
} |
| |
|
| |
void |
| |
roff_node_free(struct roff_node *n) |
| |
{ |
| |
|
| |
if (n->args != NULL) |
| |
mdoc_argv_free(n->args); |
| |
if (n->type == ROFFT_BLOCK || n->type == ROFFT_ELEM) |
| |
free(n->norm); |
| |
free(n->string); |
| |
free(n); |
| |
} |
| |
|
| |
void |
| |
roff_node_delete(struct roff_man *man, struct roff_node *n) |
| |
{ |
| |
|
| |
while (n->child != NULL) |
| |
roff_node_delete(man, n->child); |
| |
roff_node_unlink(man, n); |
| |
roff_node_free(n); |
| |
} |
| |
|
| |
void |
| |
deroff(char **dest, const struct roff_node *n) |
| |
{ |
| |
char *cp; |
| |
size_t sz; |
| |
|
| |
if (n->type != ROFFT_TEXT) { |
| |
for (n = n->child; n != NULL; n = n->next) |
| |
deroff(dest, n); |
| |
return; |
| |
} |
| |
|
| |
/* Skip leading whitespace. */ |
| |
|
| |
for (cp = n->string; *cp != '\0'; cp++) { |
| |
if (cp[0] == '\\' && cp[1] != '\0' && |
| |
strchr(" %&0^|~", cp[1]) != NULL) |
| |
cp++; |
| |
else if ( ! isspace((unsigned char)*cp)) |
| |
break; |
| |
} |
| |
|
| |
/* Skip trailing backslash. */ |
| |
|
| |
sz = strlen(cp); |
| |
if (sz > 0 && cp[sz - 1] == '\\') |
| |
sz--; |
| |
|
| |
/* Skip trailing whitespace. */ |
| |
|
| |
for (; sz; sz--) |
| |
if ( ! isspace((unsigned char)cp[sz-1])) |
| |
break; |
| |
|
| |
/* Skip empty strings. */ |
| |
|
| |
if (sz == 0) |
| |
return; |
| |
|
| |
if (*dest == NULL) { |
| |
*dest = mandoc_strndup(cp, sz); |
| |
return; |
| |
} |
| |
|
| |
mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp); |
| |
free(*dest); |
| |
*dest = cp; |
| |
} |
| |
|
| |
/* --- main functions of the roff parser ---------------------------------- */ |
| |
|
| /* |
/* |
| * In the current line, expand user-defined strings ("\*") |
* In the current line, expand escape sequences that tend to get |
| * and references to number registers ("\n"). |
* used in numerical expressions and conditional requests. |
| * Also check the syntax of other escape sequences. |
* Also check the syntax of the remaining escape sequences. |
| */ |
*/ |
| static enum rofferr |
static enum rofferr |
| roff_res(struct roff *r, char **bufp, size_t *szp, int ln, int pos) |
roff_res(struct roff *r, struct buf *buf, int ln, int pos) |
| { |
{ |
| char ubuf[12]; /* buffer to print the number */ |
char ubuf[24]; /* buffer to print the number */ |
| const char *start; /* start of the string to process */ |
const char *start; /* start of the string to process */ |
| const char *stesc; /* start of an escape sequence ('\\') */ |
char *stesc; /* start of an escape sequence ('\\') */ |
| const char *stnam; /* start of the name, after "[(*" */ |
const char *stnam; /* start of the name, after "[(*" */ |
| const char *cp; /* end of the name, e.g. before ']' */ |
const char *cp; /* end of the name, e.g. before ']' */ |
| const char *res; /* the string to be substituted */ |
const char *res; /* the string to be substituted */ |
| char *nbuf; /* new buffer to copy bufp to */ |
char *nbuf; /* new buffer to copy buf->buf to */ |
| size_t maxl; /* expected length of the escape name */ |
size_t maxl; /* expected length of the escape name */ |
| size_t naml; /* actual length of the escape name */ |
size_t naml; /* actual length of the escape name */ |
| size_t ressz; /* size of the replacement string */ |
enum mandoc_esc esc; /* type of the escape sequence */ |
| |
int inaml; /* length returned from mandoc_escape() */ |
| int expand_count; /* to avoid infinite loops */ |
int expand_count; /* to avoid infinite loops */ |
| |
int npos; /* position in numeric expression */ |
| |
int arg_complete; /* argument not interrupted by eol */ |
| |
char term; /* character terminating the escape */ |
| |
|
| expand_count = 0; |
expand_count = 0; |
| start = *bufp + pos; |
start = buf->buf + pos; |
| stesc = strchr(start, '\0') - 1; |
stesc = strchr(start, '\0') - 1; |
| while (stesc-- > start) { |
while (stesc-- > start) { |
| |
|
| /* Search backwards for the next backslash. */ |
/* Search backwards for the next backslash. */ |
| |
|
| if ('\\' != *stesc) |
if (*stesc != '\\') |
| continue; |
continue; |
| |
|
| /* If it is escaped, skip it. */ |
/* If it is escaped, skip it. */ |
| |
|
| for (cp = stesc - 1; cp >= start; cp--) |
for (cp = stesc - 1; cp >= start; cp--) |
| if ('\\' != *cp) |
if (*cp != '\\') |
| break; |
break; |
| |
|
| if (0 == (stesc - cp) % 2) { |
if ((stesc - cp) % 2 == 0) { |
| stesc = cp; |
stesc = (char *)cp; |
| continue; |
continue; |
| } |
} |
| |
|
| /* |
/* Decide whether to expand or to check only. */ |
| * Everything except user-defined strings and number |
|
| * registers is only checked, not expanded. |
|
| */ |
|
| |
|
| |
term = '\0'; |
| cp = stesc + 1; |
cp = stesc + 1; |
| switch (*cp) { |
switch (*cp) { |
| case ('*'): |
case '*': |
| res = NULL; |
res = NULL; |
| break; |
break; |
| case ('n'): |
case 'B': |
| |
case 'w': |
| |
term = cp[1]; |
| |
/* FALLTHROUGH */ |
| |
case 'n': |
| res = ubuf; |
res = ubuf; |
| break; |
break; |
| default: |
default: |
| if (ESCAPE_ERROR == mandoc_escape(&cp, NULL, NULL)) |
esc = mandoc_escape(&cp, &stnam, &inaml); |
| mandoc_msg(MANDOCERR_BADESCAPE, r->parse, |
if (esc == ESCAPE_ERROR || |
| ln, (int)(stesc - *bufp), NULL); |
(esc == ESCAPE_SPECIAL && |
| |
mchars_spec2cp(stnam, inaml) < 0)) |
| |
mandoc_vmsg(MANDOCERR_ESC_BAD, |
| |
r->parse, ln, (int)(stesc - buf->buf), |
| |
"%.*s", (int)(cp - stesc), stesc); |
| continue; |
continue; |
| } |
} |
| |
|
| if (EXPAND_LIMIT < ++expand_count) { |
if (EXPAND_LIMIT < ++expand_count) { |
| mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
| ln, (int)(stesc - *bufp), NULL); |
ln, (int)(stesc - buf->buf), NULL); |
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| /* |
/* |
| Line 557 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
| Line 1345 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
| * Save a pointer to the name. |
* Save a pointer to the name. |
| */ |
*/ |
| |
|
| switch (*++cp) { |
if (term == '\0') { |
| case ('\0'): |
switch (*++cp) { |
| continue; |
case '\0': |
| case ('('): |
maxl = 0; |
| cp++; |
break; |
| maxl = 2; |
case '(': |
| break; |
cp++; |
| case ('['): |
maxl = 2; |
| cp++; |
break; |
| |
case '[': |
| |
cp++; |
| |
term = ']'; |
| |
maxl = 0; |
| |
break; |
| |
default: |
| |
maxl = 1; |
| |
break; |
| |
} |
| |
} else { |
| |
cp += 2; |
| maxl = 0; |
maxl = 0; |
| break; |
|
| default: |
|
| maxl = 1; |
|
| break; |
|
| } |
} |
| stnam = cp; |
stnam = cp; |
| |
|
| /* Advance to the end of the name. */ |
/* Advance to the end of the name. */ |
| |
|
| for (naml = 0; 0 == maxl || naml < maxl; naml++, cp++) { |
naml = 0; |
| if ('\0' == *cp) { |
arg_complete = 1; |
| mandoc_msg |
while (maxl == 0 || naml < maxl) { |
| (MANDOCERR_BADESCAPE, |
if (*cp == '\0') { |
| r->parse, ln, |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
| (int)(stesc - *bufp), NULL); |
ln, (int)(stesc - buf->buf), stesc); |
| |
arg_complete = 0; |
| |
break; |
| |
} |
| |
if (maxl == 0 && *cp == term) { |
| |
cp++; |
| |
break; |
| |
} |
| |
if (*cp++ != '\\' || stesc[1] != 'w') { |
| |
naml++; |
| continue; |
continue; |
| } |
} |
| if (0 == maxl && ']' == *cp) |
switch (mandoc_escape(&cp, NULL, NULL)) { |
| |
case ESCAPE_SPECIAL: |
| |
case ESCAPE_UNICODE: |
| |
case ESCAPE_NUMBERED: |
| |
case ESCAPE_OVERSTRIKE: |
| |
naml++; |
| break; |
break; |
| |
default: |
| |
break; |
| |
} |
| } |
} |
| |
|
| /* |
/* |
| Line 593 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
| Line 1405 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
| * undefined, resume searching for escapes. |
* undefined, resume searching for escapes. |
| */ |
*/ |
| |
|
| if (NULL == res) |
switch (stesc[1]) { |
| res = roff_getstrn(r, stnam, naml); |
case '*': |
| else |
if (arg_complete) |
| snprintf(ubuf, sizeof(ubuf), "%d", |
res = roff_getstrn(r, stnam, naml); |
| roff_getregn(r, stnam, naml)); |
break; |
| |
case 'B': |
| |
npos = 0; |
| |
ubuf[0] = arg_complete && |
| |
roff_evalnum(r, ln, stnam, &npos, |
| |
NULL, ROFFNUM_SCALE) && |
| |
stnam + npos + 1 == cp ? '1' : '0'; |
| |
ubuf[1] = '\0'; |
| |
break; |
| |
case 'n': |
| |
if (arg_complete) |
| |
(void)snprintf(ubuf, sizeof(ubuf), "%d", |
| |
roff_getregn(r, stnam, naml)); |
| |
else |
| |
ubuf[0] = '\0'; |
| |
break; |
| |
case 'w': |
| |
/* use even incomplete args */ |
| |
(void)snprintf(ubuf, sizeof(ubuf), "%d", |
| |
24 * (int)naml); |
| |
break; |
| |
} |
| |
|
| if (NULL == res) { |
if (res == NULL) { |
| mandoc_msg |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
| (MANDOCERR_BADESCAPE, r->parse, |
r->parse, ln, (int)(stesc - buf->buf), |
| ln, (int)(stesc - *bufp), NULL); |
"%.*s", (int)naml, stnam); |
| res = ""; |
res = ""; |
| |
} else if (buf->sz + strlen(res) > SHRT_MAX) { |
| |
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
| |
ln, (int)(stesc - buf->buf), NULL); |
| |
return ROFF_IGN; |
| } |
} |
| ressz = strlen(res); |
|
| |
|
| /* Replace the escape sequence by the string. */ |
/* Replace the escape sequence by the string. */ |
| |
|
| *szp += ressz + 1; |
*stesc = '\0'; |
| nbuf = mandoc_malloc(*szp); |
buf->sz = mandoc_asprintf(&nbuf, "%s%s%s", |
| |
buf->buf, res, cp) + 1; |
| |
|
| strlcpy(nbuf, *bufp, (size_t)(stesc - *bufp + 1)); |
|
| strlcat(nbuf, res, *szp); |
|
| strlcat(nbuf, cp + (maxl ? 0 : 1), *szp); |
|
| |
|
| /* Prepare for the next replacement. */ |
/* Prepare for the next replacement. */ |
| |
|
| start = nbuf + pos; |
start = nbuf + pos; |
| stesc = nbuf + (stesc - *bufp) + ressz; |
stesc = nbuf + (stesc - buf->buf) + strlen(res); |
| free(*bufp); |
free(buf->buf); |
| *bufp = nbuf; |
buf->buf = nbuf; |
| } |
} |
| return(ROFF_CONT); |
return ROFF_CONT; |
| } |
} |
| |
|
| /* |
/* |
| * Process text streams: |
* Process text streams. |
| * Convert all breakable hyphens into ASCII_HYPH. |
|
| * Decrement and spring input line trap. |
|
| */ |
*/ |
| static enum rofferr |
static enum rofferr |
| roff_parsetext(char **bufp, size_t *szp, int pos, int *offs) |
roff_parsetext(struct buf *buf, int pos, int *offs) |
| { |
{ |
| size_t sz; |
size_t sz; |
| const char *start; |
const char *start; |
| Line 640 roff_parsetext(char **bufp, size_t *szp, int pos, int |
|
| Line 1471 roff_parsetext(char **bufp, size_t *szp, int pos, int |
|
| int isz; |
int isz; |
| enum mandoc_esc esc; |
enum mandoc_esc esc; |
| |
|
| start = p = *bufp + pos; |
/* Spring the input line trap. */ |
| |
|
| while ('\0' != *p) { |
if (roffit_lines == 1) { |
| |
isz = mandoc_asprintf(&p, "%s\n.%s", buf->buf, roffit_macro); |
| |
free(buf->buf); |
| |
buf->buf = p; |
| |
buf->sz = isz + 1; |
| |
*offs = 0; |
| |
free(roffit_macro); |
| |
roffit_lines = 0; |
| |
return ROFF_REPARSE; |
| |
} else if (roffit_lines > 1) |
| |
--roffit_lines; |
| |
|
| |
/* Convert all breakable hyphens into ASCII_HYPH. */ |
| |
|
| |
start = p = buf->buf + pos; |
| |
|
| |
while (*p != '\0') { |
| sz = strcspn(p, "-\\"); |
sz = strcspn(p, "-\\"); |
| p += sz; |
p += sz; |
| |
|
| if ('\0' == *p) |
if (*p == '\0') |
| break; |
break; |
| |
|
| if ('\\' == *p) { |
if (*p == '\\') { |
| /* Skip over escapes. */ |
/* Skip over escapes. */ |
| p++; |
p++; |
| esc = mandoc_escape((const char **)&p, NULL, NULL); |
esc = mandoc_escape((const char **)&p, NULL, NULL); |
| if (ESCAPE_ERROR == esc) |
if (esc == ESCAPE_ERROR) |
| break; |
break; |
| |
while (*p == '-') |
| |
p++; |
| continue; |
continue; |
| } else if (p == start) { |
} else if (p == start) { |
| p++; |
p++; |
| Line 666 roff_parsetext(char **bufp, size_t *szp, int pos, int |
|
| Line 1515 roff_parsetext(char **bufp, size_t *szp, int pos, int |
|
| *p = ASCII_HYPH; |
*p = ASCII_HYPH; |
| p++; |
p++; |
| } |
} |
| |
return ROFF_CONT; |
| /* Spring the input line trap. */ |
|
| if (1 == roffit_lines) { |
|
| isz = mandoc_asprintf(&p, "%s\n.%s", *bufp, roffit_macro); |
|
| free(*bufp); |
|
| *bufp = p; |
|
| *szp = isz + 1; |
|
| *offs = 0; |
|
| free(roffit_macro); |
|
| roffit_lines = 0; |
|
| return(ROFF_REPARSE); |
|
| } else if (1 < roffit_lines) |
|
| --roffit_lines; |
|
| return(ROFF_CONT); |
|
| } |
} |
| |
|
| enum rofferr |
enum rofferr |
| roff_parseln(struct roff *r, int ln, char **bufp, |
roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs) |
| size_t *szp, int pos, int *offs) |
|
| { |
{ |
| enum rofft t; |
enum rofft t; |
| enum rofferr e; |
enum rofferr e; |
| int ppos, ctl; |
int pos; /* parse point */ |
| |
int spos; /* saved parse point for messages */ |
| |
int ppos; /* original offset in buf->buf */ |
| |
int ctl; /* macro line (boolean) */ |
| |
|
| /* |
ppos = pos = *offs; |
| * Run the reserved-word filter only if we have some reserved |
|
| * words to fill in. |
|
| */ |
|
| |
|
| e = roff_res(r, bufp, szp, ln, pos); |
/* Handle in-line equation delimiters. */ |
| if (ROFF_IGN == e) |
|
| return(e); |
|
| assert(ROFF_CONT == e); |
|
| |
|
| ppos = pos; |
if (r->tbl == NULL && |
| ctl = roff_getcontrol(r, *bufp, &pos); |
r->last_eqn != NULL && r->last_eqn->delim && |
| |
(r->eqn == NULL || r->eqn_inline)) { |
| |
e = roff_eqndelim(r, buf, pos); |
| |
if (e == ROFF_REPARSE) |
| |
return e; |
| |
assert(e == ROFF_CONT); |
| |
} |
| |
|
| |
/* Expand some escape sequences. */ |
| |
|
| |
e = roff_res(r, buf, ln, pos); |
| |
if (e == ROFF_IGN) |
| |
return e; |
| |
assert(e == ROFF_CONT); |
| |
|
| |
ctl = roff_getcontrol(r, buf->buf, &pos); |
| |
|
| /* |
/* |
| * First, if a scope is open and we're not a macro, pass the |
* First, if a scope is open and we're not a macro, pass the |
| * text through the macro's filter. If a scope isn't open and |
* text through the macro's filter. |
| * we're not a macro, just let it through. |
* Equations process all content themselves. |
| * Finally, if there's an equation scope open, divert it into it |
* Tables process almost all content themselves, but we want |
| * no matter our state. |
* to warn about macros before passing it there. |
| */ |
*/ |
| |
|
| if (r->last && ! ctl) { |
if (r->last != NULL && ! ctl) { |
| t = r->last->tok; |
t = r->last->tok; |
| assert(roffs[t].text); |
assert(roffs[t].text); |
| e = (*roffs[t].text) |
e = (*roffs[t].text)(r, t, buf, ln, pos, pos, offs); |
| (r, t, bufp, szp, ln, pos, pos, offs); |
assert(e == ROFF_IGN || e == ROFF_CONT); |
| assert(ROFF_IGN == e || ROFF_CONT == e); |
if (e != ROFF_CONT) |
| if (ROFF_CONT != e) |
return e; |
| return(e); |
|
| } |
} |
| if (r->eqn) |
if (r->eqn != NULL) |
| return(eqn_read(&r->eqn, ln, *bufp, ppos, offs)); |
return eqn_read(&r->eqn, ln, buf->buf, ppos, offs); |
| if ( ! ctl) { |
if (r->tbl != NULL && ( ! ctl || buf->buf[pos] == '\0')) |
| if (r->tbl) |
return tbl_read(r->tbl, ln, buf->buf, ppos); |
| return(tbl_read(r->tbl, ln, *bufp, pos)); |
if ( ! ctl) |
| return(roff_parsetext(bufp, szp, pos, offs)); |
return roff_parsetext(buf, pos, offs); |
| } |
|
| |
|
| |
/* Skip empty request lines. */ |
| |
|
| |
if (buf->buf[pos] == '"') { |
| |
mandoc_msg(MANDOCERR_COMMENT_BAD, r->parse, |
| |
ln, pos, NULL); |
| |
return ROFF_IGN; |
| |
} else if (buf->buf[pos] == '\0') |
| |
return ROFF_IGN; |
| |
|
| /* |
/* |
| * If a scope is open, go to the child handler for that macro, |
* If a scope is open, go to the child handler for that macro, |
| * as it may want to preprocess before doing anything with it. |
* as it may want to preprocess before doing anything with it. |
| Line 737 roff_parseln(struct roff *r, int ln, char **bufp, |
|
| Line 1591 roff_parseln(struct roff *r, int ln, char **bufp, |
|
| if (r->last) { |
if (r->last) { |
| t = r->last->tok; |
t = r->last->tok; |
| assert(roffs[t].sub); |
assert(roffs[t].sub); |
| return((*roffs[t].sub) |
return (*roffs[t].sub)(r, t, buf, ln, ppos, pos, offs); |
| (r, t, bufp, szp, |
|
| ln, ppos, pos, offs)); |
|
| } |
} |
| |
|
| |
/* No scope is open. This is a new request or macro. */ |
| |
|
| |
spos = pos; |
| |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
| |
|
| |
/* Tables ignore most macros. */ |
| |
|
| |
if (r->tbl != NULL && (t == ROFF_MAX || t == ROFF_TS)) { |
| |
mandoc_msg(MANDOCERR_TBLMACRO, r->parse, |
| |
ln, pos, buf->buf + spos); |
| |
if (t == ROFF_TS) |
| |
return ROFF_IGN; |
| |
while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ') |
| |
pos++; |
| |
while (buf->buf[pos] == ' ') |
| |
pos++; |
| |
return tbl_read(r->tbl, ln, buf->buf, pos); |
| |
} |
| |
|
| /* |
/* |
| * Lastly, as we've no scope open, try to look up and execute |
* This is neither a roff request nor a user-defined macro. |
| * the new macro. If no macro is found, simply return and let |
* Let the standard macro set parsers handle it. |
| * the compilers handle it. |
|
| */ |
*/ |
| |
|
| if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos))) |
if (t == ROFF_MAX) |
| return(ROFF_CONT); |
return ROFF_CONT; |
| |
|
| |
/* Execute a roff request or a user defined macro. */ |
| |
|
| assert(roffs[t].proc); |
assert(roffs[t].proc); |
| return((*roffs[t].proc) |
return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
| (r, t, bufp, szp, |
|
| ln, ppos, pos, offs)); |
|
| } |
} |
| |
|
| |
|
| void |
void |
| roff_endparse(struct roff *r) |
roff_endparse(struct roff *r) |
| { |
{ |
| |
|
| if (r->last) |
if (r->last) |
| mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
| r->last->line, r->last->col, NULL); |
r->last->line, r->last->col, |
| |
roffs[r->last->tok].name); |
| |
|
| if (r->eqn) { |
if (r->eqn) { |
| mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
| r->eqn->eqn.ln, r->eqn->eqn.pos, NULL); |
r->eqn->eqn.ln, r->eqn->eqn.pos, "EQ"); |
| eqn_end(&r->eqn); |
eqn_end(&r->eqn); |
| } |
} |
| |
|
| if (r->tbl) { |
if (r->tbl) { |
| mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
| r->tbl->line, r->tbl->pos, NULL); |
r->tbl->line, r->tbl->pos, "TS"); |
| tbl_end(&r->tbl); |
tbl_end(&r->tbl); |
| } |
} |
| } |
} |
| Line 784 roff_endparse(struct roff *r) |
|
| Line 1654 roff_endparse(struct roff *r) |
|
| * form of ".foo xxx" in the usual way. |
* form of ".foo xxx" in the usual way. |
| */ |
*/ |
| static enum rofft |
static enum rofft |
| roff_parse(struct roff *r, const char *buf, int *pos) |
roff_parse(struct roff *r, char *buf, int *pos, int ln, int ppos) |
| { |
{ |
| |
char *cp; |
| const char *mac; |
const char *mac; |
| size_t maclen; |
size_t maclen; |
| enum rofft t; |
enum rofft t; |
| |
|
| if ('\0' == buf[*pos] || '"' == buf[*pos] || |
cp = buf + *pos; |
| '\t' == buf[*pos] || ' ' == buf[*pos]) |
|
| return(ROFF_MAX); |
|
| |
|
| /* We stop the macro parse at an escape, tab, space, or nil. */ |
if ('\0' == *cp || '"' == *cp || '\t' == *cp || ' ' == *cp) |
| |
return ROFF_MAX; |
| |
|
| mac = buf + *pos; |
mac = cp; |
| maclen = strcspn(mac, " \\\t\0"); |
maclen = roff_getname(r, &cp, ln, ppos); |
| |
|
| t = (r->current_string = roff_getstrn(r, mac, maclen)) |
t = (r->current_string = roff_getstrn(r, mac, maclen)) |
| ? ROFF_USERDEF : roffhash_find(mac, maclen); |
? ROFF_USERDEF : roffhash_find(mac, maclen); |
| |
|
| *pos += (int)maclen; |
if (ROFF_MAX != t) |
| |
*pos = cp - buf; |
| |
|
| while (buf[*pos] && ' ' == buf[*pos]) |
return t; |
| (*pos)++; |
|
| |
|
| return(t); |
|
| } |
} |
| |
|
| /* ARGSUSED */ |
/* --- handling of request blocks ----------------------------------------- */ |
| |
|
| static enum rofferr |
static enum rofferr |
| roff_cblock(ROFF_ARGS) |
roff_cblock(ROFF_ARGS) |
| { |
{ |
| Line 820 roff_cblock(ROFF_ARGS) |
|
| Line 1689 roff_cblock(ROFF_ARGS) |
|
| * ignore macro, otherwise raise a warning and just ignore it. |
* ignore macro, otherwise raise a warning and just ignore it. |
| */ |
*/ |
| |
|
| if (NULL == r->last) { |
if (r->last == NULL) { |
| mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
| return(ROFF_IGN); |
ln, ppos, ".."); |
| |
return ROFF_IGN; |
| } |
} |
| |
|
| switch (r->last->tok) { |
switch (r->last->tok) { |
| case (ROFF_am): |
case ROFF_am: |
| /* FALLTHROUGH */ |
/* ROFF_am1 is remapped to ROFF_am in roff_block(). */ |
| case (ROFF_ami): |
case ROFF_ami: |
| /* FALLTHROUGH */ |
case ROFF_de: |
| case (ROFF_am1): |
|
| /* FALLTHROUGH */ |
|
| case (ROFF_de): |
|
| /* ROFF_de1 is remapped to ROFF_de in roff_block(). */ |
/* ROFF_de1 is remapped to ROFF_de in roff_block(). */ |
| /* FALLTHROUGH */ |
case ROFF_dei: |
| case (ROFF_dei): |
case ROFF_ig: |
| /* FALLTHROUGH */ |
|
| case (ROFF_ig): |
|
| break; |
break; |
| default: |
default: |
| mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
| return(ROFF_IGN); |
ln, ppos, ".."); |
| |
return ROFF_IGN; |
| } |
} |
| |
|
| if ((*bufp)[pos]) |
if (buf->buf[pos] != '\0') |
| mandoc_msg(MANDOCERR_ARGSLOST, r->parse, ln, pos, NULL); |
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
| |
".. %s", buf->buf + pos); |
| |
|
| roffnode_pop(r); |
roffnode_pop(r); |
| roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
| return(ROFF_IGN); |
return ROFF_IGN; |
| |
|
| } |
} |
| |
|
| |
|
| static void |
static void |
| roffnode_cleanscope(struct roff *r) |
roffnode_cleanscope(struct roff *r) |
| { |
{ |
| Line 865 roffnode_cleanscope(struct roff *r) |
|
| Line 1731 roffnode_cleanscope(struct roff *r) |
|
| } |
} |
| } |
} |
| |
|
| |
|
| static void |
static void |
| roff_ccond(struct roff *r, int ln, int ppos) |
roff_ccond(struct roff *r, int ln, int ppos) |
| { |
{ |
| |
|
| if (NULL == r->last) { |
if (NULL == r->last) { |
| mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
| |
ln, ppos, "\\}"); |
| return; |
return; |
| } |
} |
| |
|
| switch (r->last->tok) { |
switch (r->last->tok) { |
| case (ROFF_el): |
case ROFF_el: |
| /* FALLTHROUGH */ |
case ROFF_ie: |
| case (ROFF_ie): |
case ROFF_if: |
| /* FALLTHROUGH */ |
|
| case (ROFF_if): |
|
| break; |
break; |
| default: |
default: |
| mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
| |
ln, ppos, "\\}"); |
| return; |
return; |
| } |
} |
| |
|
| if (r->last->endspan > -1) { |
if (r->last->endspan > -1) { |
| mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
| |
ln, ppos, "\\}"); |
| return; |
return; |
| } |
} |
| |
|
| Line 897 roff_ccond(struct roff *r, int ln, int ppos) |
|
| Line 1763 roff_ccond(struct roff *r, int ln, int ppos) |
|
| return; |
return; |
| } |
} |
| |
|
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_block(ROFF_ARGS) |
roff_block(ROFF_ARGS) |
| { |
{ |
| int sv; |
const char *name; |
| size_t sz; |
char *iname, *cp; |
| char *name; |
size_t namesz; |
| |
|
| name = NULL; |
/* Ignore groff compatibility mode for now. */ |
| |
|
| if (ROFF_ig != tok) { |
if (tok == ROFF_de1) |
| if ('\0' == (*bufp)[pos]) { |
tok = ROFF_de; |
| mandoc_msg(MANDOCERR_NOARGS, r->parse, ln, ppos, NULL); |
else if (tok == ROFF_dei1) |
| return(ROFF_IGN); |
tok = ROFF_dei; |
| } |
else if (tok == ROFF_am1) |
| |
tok = ROFF_am; |
| |
else if (tok == ROFF_ami1) |
| |
tok = ROFF_ami; |
| |
|
| /* |
/* Parse the macro name argument. */ |
| * Re-write `de1', since we don't really care about |
|
| * groff's strange compatibility mode, into `de'. |
|
| */ |
|
| |
|
| if (ROFF_de1 == tok) |
cp = buf->buf + pos; |
| tok = ROFF_de; |
if (tok == ROFF_ig) { |
| if (ROFF_de == tok) |
iname = NULL; |
| name = *bufp + pos; |
namesz = 0; |
| else |
} else { |
| mandoc_msg(MANDOCERR_REQUEST, r->parse, ln, ppos, |
iname = cp; |
| roffs[tok].name); |
namesz = roff_getname(r, &cp, ln, ppos); |
| |
iname[namesz] = '\0'; |
| |
} |
| |
|
| while ((*bufp)[pos] && ! isspace((unsigned char)(*bufp)[pos])) |
/* Resolve the macro name argument if it is indirect. */ |
| pos++; |
|
| |
|
| while (isspace((unsigned char)(*bufp)[pos])) |
if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) { |
| (*bufp)[pos++] = '\0'; |
if ((name = roff_getstrn(r, iname, namesz)) == NULL) { |
| |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
| |
r->parse, ln, (int)(iname - buf->buf), |
| |
"%.*s", (int)namesz, iname); |
| |
namesz = 0; |
| |
} else |
| |
namesz = strlen(name); |
| |
} else |
| |
name = iname; |
| |
|
| |
if (namesz == 0 && tok != ROFF_ig) { |
| |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, |
| |
ln, ppos, roffs[tok].name); |
| |
return ROFF_IGN; |
| } |
} |
| |
|
| roffnode_push(r, tok, name, ln, ppos); |
roffnode_push(r, tok, name, ln, ppos); |
| Line 942 roff_block(ROFF_ARGS) |
|
| Line 1820 roff_block(ROFF_ARGS) |
|
| * appended from roff_block_text() in multiline mode. |
* appended from roff_block_text() in multiline mode. |
| */ |
*/ |
| |
|
| if (ROFF_de == tok) |
if (tok == ROFF_de || tok == ROFF_dei) |
| roff_setstr(r, name, "", 0); |
roff_setstrn(&r->strtab, name, namesz, "", 0, 0); |
| |
|
| if ('\0' == (*bufp)[pos]) |
if (*cp == '\0') |
| return(ROFF_IGN); |
return ROFF_IGN; |
| |
|
| /* If present, process the custom end-of-line marker. */ |
/* Get the custom end marker. */ |
| |
|
| sv = pos; |
iname = cp; |
| while ((*bufp)[pos] && ! isspace((unsigned char)(*bufp)[pos])) |
namesz = roff_getname(r, &cp, ln, ppos); |
| pos++; |
|
| |
|
| /* |
/* Resolve the end marker if it is indirect. */ |
| * Note: groff does NOT like escape characters in the input. |
|
| * Instead of detecting this, we're just going to let it fly and |
|
| * to hell with it. |
|
| */ |
|
| |
|
| assert(pos > sv); |
if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) { |
| sz = (size_t)(pos - sv); |
if ((name = roff_getstrn(r, iname, namesz)) == NULL) { |
| |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
| |
r->parse, ln, (int)(iname - buf->buf), |
| |
"%.*s", (int)namesz, iname); |
| |
namesz = 0; |
| |
} else |
| |
namesz = strlen(name); |
| |
} else |
| |
name = iname; |
| |
|
| if (1 == sz && '.' == (*bufp)[sv]) |
if (namesz) |
| return(ROFF_IGN); |
r->last->end = mandoc_strndup(name, namesz); |
| |
|
| r->last->end = mandoc_malloc(sz + 1); |
if (*cp != '\0') |
| |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
| |
ln, pos, ".%s ... %s", roffs[tok].name, cp); |
| |
|
| memcpy(r->last->end, *bufp + sv, sz); |
return ROFF_IGN; |
| r->last->end[(int)sz] = '\0'; |
|
| |
|
| if ((*bufp)[pos]) |
|
| mandoc_msg(MANDOCERR_ARGSLOST, r->parse, ln, pos, NULL); |
|
| |
|
| return(ROFF_IGN); |
|
| } |
} |
| |
|
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_block_sub(ROFF_ARGS) |
roff_block_sub(ROFF_ARGS) |
| { |
{ |
| Line 996 roff_block_sub(ROFF_ARGS) |
|
| Line 1871 roff_block_sub(ROFF_ARGS) |
|
| |
|
| if (r->last->end) { |
if (r->last->end) { |
| for (i = pos, j = 0; r->last->end[j]; j++, i++) |
for (i = pos, j = 0; r->last->end[j]; j++, i++) |
| if ((*bufp)[i] != r->last->end[j]) |
if (buf->buf[i] != r->last->end[j]) |
| break; |
break; |
| |
|
| if ('\0' == r->last->end[j] && |
if (r->last->end[j] == '\0' && |
| ('\0' == (*bufp)[i] || |
(buf->buf[i] == '\0' || |
| ' ' == (*bufp)[i] || |
buf->buf[i] == ' ' || |
| '\t' == (*bufp)[i])) { |
buf->buf[i] == '\t')) { |
| roffnode_pop(r); |
roffnode_pop(r); |
| roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
| |
|
| while (' ' == (*bufp)[i] || '\t' == (*bufp)[i]) |
while (buf->buf[i] == ' ' || buf->buf[i] == '\t') |
| i++; |
i++; |
| |
|
| pos = i; |
pos = i; |
| if (ROFF_MAX != roff_parse(r, *bufp, &pos)) |
if (roff_parse(r, buf->buf, &pos, ln, ppos) != |
| return(ROFF_RERUN); |
ROFF_MAX) |
| return(ROFF_IGN); |
return ROFF_RERUN; |
| |
return ROFF_IGN; |
| } |
} |
| } |
} |
| |
|
| Line 1021 roff_block_sub(ROFF_ARGS) |
|
| Line 1897 roff_block_sub(ROFF_ARGS) |
|
| * pulling it out of the hashtable. |
* pulling it out of the hashtable. |
| */ |
*/ |
| |
|
| t = roff_parse(r, *bufp, &pos); |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
| |
|
| /* |
if (t != ROFF_cblock) { |
| * Macros other than block-end are only significant |
if (tok != ROFF_ig) |
| * in `de' blocks; elsewhere, simply throw them away. |
roff_setstr(r, r->last->name, buf->buf + ppos, 2); |
| */ |
return ROFF_IGN; |
| if (ROFF_cblock != t) { |
|
| if (ROFF_de == tok) |
|
| roff_setstr(r, r->last->name, *bufp + ppos, 2); |
|
| return(ROFF_IGN); |
|
| } |
} |
| |
|
| assert(roffs[t].proc); |
assert(roffs[t].proc); |
| return((*roffs[t].proc)(r, t, bufp, szp, |
return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
| ln, ppos, pos, offs)); |
|
| } |
} |
| |
|
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_block_text(ROFF_ARGS) |
roff_block_text(ROFF_ARGS) |
| { |
{ |
| |
|
| if (ROFF_de == tok) |
if (tok != ROFF_ig) |
| roff_setstr(r, r->last->name, *bufp + pos, 2); |
roff_setstr(r, r->last->name, buf->buf + pos, 2); |
| |
|
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_cond_sub(ROFF_ARGS) |
roff_cond_sub(ROFF_ARGS) |
| { |
{ |
| Line 1061 roff_cond_sub(ROFF_ARGS) |
|
| Line 1928 roff_cond_sub(ROFF_ARGS) |
|
| |
|
| rr = r->last->rule; |
rr = r->last->rule; |
| roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
| t = roff_parse(r, *bufp, &pos); |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
| |
|
| /* |
/* |
| * Fully handle known macros when they are structurally |
* Fully handle known macros when they are structurally |
| * required or when the conditional evaluated to true. |
* required or when the conditional evaluated to true. |
| */ |
*/ |
| |
|
| if ((ROFF_MAX != t) && |
if ((t != ROFF_MAX) && |
| (rr || ROFFMAC_STRUCT & roffs[t].flags)) { |
(rr || roffs[t].flags & ROFFMAC_STRUCT)) { |
| assert(roffs[t].proc); |
assert(roffs[t].proc); |
| return((*roffs[t].proc)(r, t, bufp, szp, |
return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
| ln, ppos, pos, offs)); |
|
| } |
} |
| |
|
| /* |
/* |
| Line 1080 roff_cond_sub(ROFF_ARGS) |
|
| Line 1946 roff_cond_sub(ROFF_ARGS) |
|
| * drop the line completely. |
* drop the line completely. |
| */ |
*/ |
| |
|
| ep = *bufp + pos; |
ep = buf->buf + pos; |
| if ('\\' == ep[0] && '}' == ep[1]) |
if (ep[0] == '\\' && ep[1] == '}') |
| rr = 0; |
rr = 0; |
| |
|
| /* Always check for the closing delimiter `\}'. */ |
/* Always check for the closing delimiter `\}'. */ |
| |
|
| while (NULL != (ep = strchr(ep, '\\'))) { |
while ((ep = strchr(ep, '\\')) != NULL) { |
| if ('}' == *(++ep)) { |
if (*(++ep) == '}') { |
| *ep = '&'; |
*ep = '&'; |
| roff_ccond(r, ln, ep - *bufp - 1); |
roff_ccond(r, ln, ep - buf->buf - 1); |
| } |
} |
| ++ep; |
if (*ep != '\0') |
| |
++ep; |
| } |
} |
| return(rr ? ROFF_CONT : ROFF_IGN); |
return rr ? ROFF_CONT : ROFF_IGN; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_cond_text(ROFF_ARGS) |
roff_cond_text(ROFF_ARGS) |
| { |
{ |
| Line 1106 roff_cond_text(ROFF_ARGS) |
|
| Line 1972 roff_cond_text(ROFF_ARGS) |
|
| rr = r->last->rule; |
rr = r->last->rule; |
| roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
| |
|
| ep = *bufp + pos; |
ep = buf->buf + pos; |
| while (NULL != (ep = strchr(ep, '\\'))) { |
while ((ep = strchr(ep, '\\')) != NULL) { |
| if ('}' == *(++ep)) { |
if (*(++ep) == '}') { |
| *ep = '&'; |
*ep = '&'; |
| roff_ccond(r, ln, ep - *bufp - 1); |
roff_ccond(r, ln, ep - buf->buf - 1); |
| } |
} |
| ++ep; |
if (*ep != '\0') |
| |
++ep; |
| } |
} |
| return(rr ? ROFF_CONT : ROFF_IGN); |
return rr ? ROFF_CONT : ROFF_IGN; |
| } |
} |
| |
|
| |
/* --- handling of numeric and conditional expressions -------------------- */ |
| |
|
| /* |
/* |
| * Parse a single signed integer number. Stop at the first non-digit. |
* Parse a single signed integer number. Stop at the first non-digit. |
| * If there is at least one digit, return success and advance the |
* If there is at least one digit, return success and advance the |
| Line 1124 roff_cond_text(ROFF_ARGS) |
|
| Line 1993 roff_cond_text(ROFF_ARGS) |
|
| * Ignore overflows, treat them just like the C language. |
* Ignore overflows, treat them just like the C language. |
| */ |
*/ |
| static int |
static int |
| roff_getnum(const char *v, int *pos, int *res) |
roff_getnum(const char *v, int *pos, int *res, int flags) |
| { |
{ |
| int p, n; |
int myres, scaled, n, p; |
| |
|
| |
if (NULL == res) |
| |
res = &myres; |
| |
|
| p = *pos; |
p = *pos; |
| n = v[p] == '-'; |
n = v[p] == '-'; |
| if (n) |
if (n || v[p] == '+') |
| p++; |
p++; |
| |
|
| |
if (flags & ROFFNUM_WHITE) |
| |
while (isspace((unsigned char)v[p])) |
| |
p++; |
| |
|
| for (*res = 0; isdigit((unsigned char)v[p]); p++) |
for (*res = 0; isdigit((unsigned char)v[p]); p++) |
| *res = 10 * *res + v[p] - '0'; |
*res = 10 * *res + v[p] - '0'; |
| if (p == *pos + n) |
if (p == *pos + n) |
| Line 1141 roff_getnum(const char *v, int *pos, int *res) |
|
| Line 2017 roff_getnum(const char *v, int *pos, int *res) |
|
| if (n) |
if (n) |
| *res = -*res; |
*res = -*res; |
| |
|
| *pos = p; |
/* Each number may be followed by one optional scaling unit. */ |
| |
|
| |
switch (v[p]) { |
| |
case 'f': |
| |
scaled = *res * 65536; |
| |
break; |
| |
case 'i': |
| |
scaled = *res * 240; |
| |
break; |
| |
case 'c': |
| |
scaled = *res * 240 / 2.54; |
| |
break; |
| |
case 'v': |
| |
case 'P': |
| |
scaled = *res * 40; |
| |
break; |
| |
case 'm': |
| |
case 'n': |
| |
scaled = *res * 24; |
| |
break; |
| |
case 'p': |
| |
scaled = *res * 10 / 3; |
| |
break; |
| |
case 'u': |
| |
scaled = *res; |
| |
break; |
| |
case 'M': |
| |
scaled = *res * 6 / 25; |
| |
break; |
| |
default: |
| |
scaled = *res; |
| |
p--; |
| |
break; |
| |
} |
| |
if (flags & ROFFNUM_SCALE) |
| |
*res = scaled; |
| |
|
| |
*pos = p + 1; |
| return 1; |
return 1; |
| } |
} |
| |
|
| Line 1182 roff_evalstrcond(const char *v, int *pos) |
|
| Line 2095 roff_evalstrcond(const char *v, int *pos) |
|
| out: |
out: |
| if (NULL == s3) |
if (NULL == s3) |
| s3 = strchr(s2, '\0'); |
s3 = strchr(s2, '\0'); |
| else |
else if (*s3 != '\0') |
| s3++; |
s3++; |
| *pos = s3 - v; |
*pos = s3 - v; |
| return(match); |
return match; |
| } |
} |
| |
|
| /* |
/* |
|
|
| * or string condition. |
* or string condition. |
| */ |
*/ |
| static int |
static int |
| roff_evalcond(const char *v, int *pos) |
roff_evalcond(struct roff *r, int ln, char *v, int *pos) |
| { |
{ |
| int wanttrue, number; |
char *cp, *name; |
| |
size_t sz; |
| |
int number, savepos, wanttrue; |
| |
|
| if ('!' == v[*pos]) { |
if ('!' == v[*pos]) { |
| wanttrue = 0; |
wanttrue = 0; |
| Line 1204 roff_evalcond(const char *v, int *pos) |
|
| Line 2119 roff_evalcond(const char *v, int *pos) |
|
| wanttrue = 1; |
wanttrue = 1; |
| |
|
| switch (v[*pos]) { |
switch (v[*pos]) { |
| case ('n'): |
case '\0': |
| /* FALLTHROUGH */ |
return 0; |
| case ('o'): |
case 'n': |
| |
case 'o': |
| (*pos)++; |
(*pos)++; |
| return(wanttrue); |
return wanttrue; |
| case ('c'): |
case 'c': |
| /* FALLTHROUGH */ |
case 'd': |
| case ('d'): |
case 'e': |
| /* FALLTHROUGH */ |
case 't': |
| case ('e'): |
case 'v': |
| /* FALLTHROUGH */ |
|
| case ('r'): |
|
| /* FALLTHROUGH */ |
|
| case ('t'): |
|
| (*pos)++; |
(*pos)++; |
| return(!wanttrue); |
return !wanttrue; |
| |
case 'r': |
| |
cp = name = v + ++*pos; |
| |
sz = roff_getname(r, &cp, ln, *pos); |
| |
*pos = cp - v; |
| |
return (sz && roff_hasregn(r, name, sz)) == wanttrue; |
| default: |
default: |
| break; |
break; |
| } |
} |
| |
|
| if (roff_evalnum(v, pos, &number, 0)) |
savepos = *pos; |
| return((number > 0) == wanttrue); |
if (roff_evalnum(r, ln, v, pos, &number, ROFFNUM_SCALE)) |
| |
return (number > 0) == wanttrue; |
| |
else if (*pos == savepos) |
| |
return roff_evalstrcond(v, pos) == wanttrue; |
| else |
else |
| return(roff_evalstrcond(v, pos) == wanttrue); |
return 0; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_line_ignore(ROFF_ARGS) |
roff_line_ignore(ROFF_ARGS) |
| { |
{ |
| |
|
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| |
roff_insec(ROFF_ARGS) |
| |
{ |
| |
|
| |
mandoc_msg(MANDOCERR_REQ_INSEC, r->parse, |
| |
ln, ppos, roffs[tok].name); |
| |
return ROFF_IGN; |
| |
} |
| |
|
| |
static enum rofferr |
| |
roff_unsupp(ROFF_ARGS) |
| |
{ |
| |
|
| |
mandoc_msg(MANDOCERR_REQ_UNSUPP, r->parse, |
| |
ln, ppos, roffs[tok].name); |
| |
return ROFF_IGN; |
| |
} |
| |
|
| |
static enum rofferr |
| roff_cond(ROFF_ARGS) |
roff_cond(ROFF_ARGS) |
| { |
{ |
| |
|
| roffnode_push(r, tok, NULL, ln, ppos); |
roffnode_push(r, tok, NULL, ln, ppos); |
| |
|
| /* |
/* |
| * An `.el' has no conditional body: it will consume the value |
* An `.el' has no conditional body: it will consume the value |
| * of the current rstack entry set in prior `ie' calls or |
* of the current rstack entry set in prior `ie' calls or |
| * defaults to DENY. |
* defaults to DENY. |
| * |
* |
| * If we're not an `el', however, then evaluate the conditional. |
* If we're not an `el', however, then evaluate the conditional. |
| */ |
*/ |
| |
|
| r->last->rule = ROFF_el == tok ? |
r->last->rule = tok == ROFF_el ? |
| (r->rstackpos < 0 ? 0 : r->rstack[r->rstackpos--]) : |
(r->rstackpos < 0 ? 0 : r->rstack[r->rstackpos--]) : |
| roff_evalcond(*bufp, &pos); |
roff_evalcond(r, ln, buf->buf, &pos); |
| |
|
| /* |
/* |
| * An if-else will put the NEGATION of the current evaluated |
* An if-else will put the NEGATION of the current evaluated |
| * conditional into the stack of rules. |
* conditional into the stack of rules. |
| */ |
*/ |
| |
|
| if (ROFF_ie == tok) { |
if (tok == ROFF_ie) { |
| if (r->rstackpos == RSTACK_MAX - 1) { |
if (r->rstackpos + 1 == r->rstacksz) { |
| mandoc_msg(MANDOCERR_MEM, |
r->rstacksz += 16; |
| r->parse, ln, ppos, NULL); |
r->rstack = mandoc_reallocarray(r->rstack, |
| return(ROFF_ERR); |
r->rstacksz, sizeof(int)); |
| } |
} |
| r->rstack[++r->rstackpos] = !r->last->rule; |
r->rstack[++r->rstackpos] = !r->last->rule; |
| } |
} |
| Line 1282 roff_cond(ROFF_ARGS) |
|
| Line 2218 roff_cond(ROFF_ARGS) |
|
| * not even whitespace, use next-line scope. |
* not even whitespace, use next-line scope. |
| */ |
*/ |
| |
|
| if ('\0' == (*bufp)[pos]) { |
if (buf->buf[pos] == '\0') { |
| r->last->endspan = 2; |
r->last->endspan = 2; |
| goto out; |
goto out; |
| } |
} |
| |
|
| while (' ' == (*bufp)[pos]) |
while (buf->buf[pos] == ' ') |
| pos++; |
pos++; |
| |
|
| /* An opening brace requests multiline scope. */ |
/* An opening brace requests multiline scope. */ |
| |
|
| if ('\\' == (*bufp)[pos] && '{' == (*bufp)[pos + 1]) { |
if (buf->buf[pos] == '\\' && buf->buf[pos + 1] == '{') { |
| r->last->endspan = -1; |
r->last->endspan = -1; |
| pos += 2; |
pos += 2; |
| |
while (buf->buf[pos] == ' ') |
| |
pos++; |
| goto out; |
goto out; |
| } |
} |
| |
|
| /* |
/* |
| * Anything else following the conditional causes |
* Anything else following the conditional causes |
| Line 1304 roff_cond(ROFF_ARGS) |
|
| Line 2242 roff_cond(ROFF_ARGS) |
|
| * nothing but trailing whitespace. |
* nothing but trailing whitespace. |
| */ |
*/ |
| |
|
| if ('\0' == (*bufp)[pos]) |
if (buf->buf[pos] == '\0') |
| mandoc_msg(MANDOCERR_NOARGS, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_COND_EMPTY, r->parse, |
| |
ln, ppos, roffs[tok].name); |
| |
|
| r->last->endspan = 1; |
r->last->endspan = 1; |
| |
|
| out: |
out: |
| *offs = pos; |
*offs = pos; |
| return(ROFF_RERUN); |
return ROFF_RERUN; |
| } |
} |
| |
|
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_ds(ROFF_ARGS) |
roff_ds(ROFF_ARGS) |
| { |
{ |
| char *name, *string; |
char *string; |
| |
const char *name; |
| |
size_t namesz; |
| |
|
| |
/* Ignore groff compatibility mode for now. */ |
| |
|
| |
if (tok == ROFF_ds1) |
| |
tok = ROFF_ds; |
| |
else if (tok == ROFF_as1) |
| |
tok = ROFF_as; |
| |
|
| /* |
/* |
| * A symbol is named by the first word following the macro |
* The first word is the name of the string. |
| * invocation up to a space. Its value is anything after the |
* If it is empty or terminated by an escape sequence, |
| * name's trailing whitespace and optional double-quote. Thus, |
* abort the `ds' request without defining anything. |
| * |
|
| * [.ds foo "bar " ] |
|
| * |
|
| * will have `bar " ' as its value. |
|
| */ |
*/ |
| |
|
| string = *bufp + pos; |
name = string = buf->buf + pos; |
| name = roff_getname(r, &string, ln, pos); |
if (*name == '\0') |
| if ('\0' == *name) |
return ROFF_IGN; |
| return(ROFF_IGN); |
|
| |
|
| /* Read past initial double-quote. */ |
namesz = roff_getname(r, &string, ln, pos); |
| if ('"' == *string) |
if (name[namesz] == '\\') |
| |
return ROFF_IGN; |
| |
|
| |
/* Read past the initial double-quote, if any. */ |
| |
if (*string == '"') |
| string++; |
string++; |
| |
|
| /* The rest is the value. */ |
/* The rest is the value. */ |
| roff_setstr(r, name, string, ROFF_as == tok); |
roff_setstrn(&r->strtab, name, namesz, string, strlen(string), |
| return(ROFF_IGN); |
ROFF_as == tok); |
| |
return ROFF_IGN; |
| } |
} |
| |
|
| /* |
/* |
| Line 1357 roff_getop(const char *v, int *pos, char *res) |
|
| Line 2303 roff_getop(const char *v, int *pos, char *res) |
|
| *res = v[*pos]; |
*res = v[*pos]; |
| |
|
| switch (*res) { |
switch (*res) { |
| case ('+'): |
case '+': |
| /* FALLTHROUGH */ |
case '-': |
| case ('-'): |
case '*': |
| /* FALLTHROUGH */ |
case '/': |
| case ('*'): |
case '%': |
| /* FALLTHROUGH */ |
case '&': |
| case ('/'): |
case ':': |
| /* FALLTHROUGH */ |
|
| case ('%'): |
|
| /* FALLTHROUGH */ |
|
| case ('&'): |
|
| /* FALLTHROUGH */ |
|
| case (':'): |
|
| break; |
break; |
| case '<': |
case '<': |
| switch (v[*pos + 1]) { |
switch (v[*pos + 1]) { |
| case ('='): |
case '=': |
| *res = 'l'; |
*res = 'l'; |
| (*pos)++; |
(*pos)++; |
| break; |
break; |
| case ('>'): |
case '>': |
| *res = '!'; |
*res = '!'; |
| (*pos)++; |
(*pos)++; |
| break; |
break; |
| case ('?'): |
case '?': |
| *res = 'i'; |
*res = 'i'; |
| (*pos)++; |
(*pos)++; |
| break; |
break; |
| Line 1391 roff_getop(const char *v, int *pos, char *res) |
|
| Line 2331 roff_getop(const char *v, int *pos, char *res) |
|
| break; |
break; |
| case '>': |
case '>': |
| switch (v[*pos + 1]) { |
switch (v[*pos + 1]) { |
| case ('='): |
case '=': |
| *res = 'g'; |
*res = 'g'; |
| (*pos)++; |
(*pos)++; |
| break; |
break; |
| case ('?'): |
case '?': |
| *res = 'a'; |
*res = 'a'; |
| (*pos)++; |
(*pos)++; |
| break; |
break; |
| Line 1408 roff_getop(const char *v, int *pos, char *res) |
|
| Line 2348 roff_getop(const char *v, int *pos, char *res) |
|
| (*pos)++; |
(*pos)++; |
| break; |
break; |
| default: |
default: |
| return(0); |
return 0; |
| } |
} |
| (*pos)++; |
(*pos)++; |
| |
|
| return(*res); |
return *res; |
| } |
} |
| |
|
| /* |
/* |
| Line 1420 roff_getop(const char *v, int *pos, char *res) |
|
| Line 2360 roff_getop(const char *v, int *pos, char *res) |
|
| * or a single signed integer number. |
* or a single signed integer number. |
| */ |
*/ |
| static int |
static int |
| roff_evalpar(const char *v, int *pos, int *res) |
roff_evalpar(struct roff *r, int ln, |
| |
const char *v, int *pos, int *res, int flags) |
| { |
{ |
| |
|
| if ('(' != v[*pos]) |
if ('(' != v[*pos]) |
| return(roff_getnum(v, pos, res)); |
return roff_getnum(v, pos, res, flags); |
| |
|
| (*pos)++; |
(*pos)++; |
| if ( ! roff_evalnum(v, pos, res, 1)) |
if ( ! roff_evalnum(r, ln, v, pos, res, flags | ROFFNUM_WHITE)) |
| return(0); |
return 0; |
| |
|
| /* If the trailing parenthesis is missing, ignore the error. */ |
/* |
| |
* Omission of the closing parenthesis |
| |
* is an error in validation mode, |
| |
* but ignored in evaluation mode. |
| |
*/ |
| |
|
| if (')' == v[*pos]) |
if (')' == v[*pos]) |
| (*pos)++; |
(*pos)++; |
| |
else if (NULL == res) |
| |
return 0; |
| |
|
| return(1); |
return 1; |
| } |
} |
| |
|
| /* |
/* |
| Line 1442 roff_evalpar(const char *v, int *pos, int *res) |
|
| Line 2390 roff_evalpar(const char *v, int *pos, int *res) |
|
| * Proceed left to right, there is no concept of precedence. |
* Proceed left to right, there is no concept of precedence. |
| */ |
*/ |
| static int |
static int |
| roff_evalnum(const char *v, int *pos, int *res, int skipwhite) |
roff_evalnum(struct roff *r, int ln, const char *v, |
| |
int *pos, int *res, int flags) |
| { |
{ |
| int mypos, operand2; |
int mypos, operand2; |
| char operator; |
char operator; |
| Line 1452 roff_evalnum(const char *v, int *pos, int *res, int sk |
|
| Line 2401 roff_evalnum(const char *v, int *pos, int *res, int sk |
|
| pos = &mypos; |
pos = &mypos; |
| } |
} |
| |
|
| if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
| while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
| (*pos)++; |
(*pos)++; |
| |
|
| if ( ! roff_evalpar(v, pos, res)) |
if ( ! roff_evalpar(r, ln, v, pos, res, flags)) |
| return(0); |
return 0; |
| |
|
| while (1) { |
while (1) { |
| if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
| while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
| (*pos)++; |
(*pos)++; |
| |
|
| if ( ! roff_getop(v, pos, &operator)) |
if ( ! roff_getop(v, pos, &operator)) |
| break; |
break; |
| |
|
| if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
| while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
| (*pos)++; |
(*pos)++; |
| |
|
| if ( ! roff_evalpar(v, pos, &operand2)) |
if ( ! roff_evalpar(r, ln, v, pos, &operand2, flags)) |
| return(0); |
return 0; |
| |
|
| if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
| while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
| (*pos)++; |
(*pos)++; |
| |
|
| |
if (NULL == res) |
| |
continue; |
| |
|
| switch (operator) { |
switch (operator) { |
| case ('+'): |
case '+': |
| *res += operand2; |
*res += operand2; |
| break; |
break; |
| case ('-'): |
case '-': |
| *res -= operand2; |
*res -= operand2; |
| break; |
break; |
| case ('*'): |
case '*': |
| *res *= operand2; |
*res *= operand2; |
| break; |
break; |
| case ('/'): |
case '/': |
| |
if (operand2 == 0) { |
| |
mandoc_msg(MANDOCERR_DIVZERO, |
| |
r->parse, ln, *pos, v); |
| |
*res = 0; |
| |
break; |
| |
} |
| *res /= operand2; |
*res /= operand2; |
| break; |
break; |
| case ('%'): |
case '%': |
| |
if (operand2 == 0) { |
| |
mandoc_msg(MANDOCERR_DIVZERO, |
| |
r->parse, ln, *pos, v); |
| |
*res = 0; |
| |
break; |
| |
} |
| *res %= operand2; |
*res %= operand2; |
| break; |
break; |
| case ('<'): |
case '<': |
| *res = *res < operand2; |
*res = *res < operand2; |
| break; |
break; |
| case ('>'): |
case '>': |
| *res = *res > operand2; |
*res = *res > operand2; |
| break; |
break; |
| case ('l'): |
case 'l': |
| *res = *res <= operand2; |
*res = *res <= operand2; |
| break; |
break; |
| case ('g'): |
case 'g': |
| *res = *res >= operand2; |
*res = *res >= operand2; |
| break; |
break; |
| case ('='): |
case '=': |
| *res = *res == operand2; |
*res = *res == operand2; |
| break; |
break; |
| case ('!'): |
case '!': |
| *res = *res != operand2; |
*res = *res != operand2; |
| break; |
break; |
| case ('&'): |
case '&': |
| *res = *res && operand2; |
*res = *res && operand2; |
| break; |
break; |
| case (':'): |
case ':': |
| *res = *res || operand2; |
*res = *res || operand2; |
| break; |
break; |
| case ('i'): |
case 'i': |
| if (operand2 < *res) |
if (operand2 < *res) |
| *res = operand2; |
*res = operand2; |
| break; |
break; |
| case ('a'): |
case 'a': |
| if (operand2 > *res) |
if (operand2 > *res) |
| *res = operand2; |
*res = operand2; |
| break; |
break; |
| Line 1530 roff_evalnum(const char *v, int *pos, int *res, int sk |
|
| Line 2494 roff_evalnum(const char *v, int *pos, int *res, int sk |
|
| abort(); |
abort(); |
| } |
} |
| } |
} |
| return(1); |
return 1; |
| } |
} |
| |
|
| |
/* --- register management ------------------------------------------------ */ |
| |
|
| void |
void |
| roff_setreg(struct roff *r, const char *name, int val, char sign) |
roff_setreg(struct roff *r, const char *name, int val, char sign) |
| { |
{ |
| Line 1569 roff_setreg(struct roff *r, const char *name, int val, |
|
| Line 2535 roff_setreg(struct roff *r, const char *name, int val, |
|
| * were to turn up, another special value would have to be chosen. |
* were to turn up, another special value would have to be chosen. |
| */ |
*/ |
| static int |
static int |
| roff_getregro(const char *name) |
roff_getregro(const struct roff *r, const char *name) |
| { |
{ |
| |
|
| switch (*name) { |
switch (*name) { |
| case ('A'): /* ASCII approximation mode is always off. */ |
case '$': /* Number of arguments of the last macro evaluated. */ |
| return(0); |
return r->argc; |
| case ('g'): /* Groff compatibility mode is always on. */ |
case 'A': /* ASCII approximation mode is always off. */ |
| return(1); |
return 0; |
| case ('H'): /* Fixed horizontal resolution. */ |
case 'g': /* Groff compatibility mode is always on. */ |
| return (24); |
return 1; |
| case ('j'): /* Always adjust left margin only. */ |
case 'H': /* Fixed horizontal resolution. */ |
| return(0); |
return 24; |
| case ('T'): /* Some output device is always defined. */ |
case 'j': /* Always adjust left margin only. */ |
| return(1); |
return 0; |
| case ('V'): /* Fixed vertical resolution. */ |
case 'T': /* Some output device is always defined. */ |
| return (40); |
return 1; |
| |
case 'V': /* Fixed vertical resolution. */ |
| |
return 40; |
| default: |
default: |
| return (-1); |
return -1; |
| } |
} |
| } |
} |
| |
|
| Line 1597 roff_getreg(const struct roff *r, const char *name) |
|
| Line 2565 roff_getreg(const struct roff *r, const char *name) |
|
| int val; |
int val; |
| |
|
| if ('.' == name[0] && '\0' != name[1] && '\0' == name[2]) { |
if ('.' == name[0] && '\0' != name[1] && '\0' == name[2]) { |
| val = roff_getregro(name + 1); |
val = roff_getregro(r, name + 1); |
| if (-1 != val) |
if (-1 != val) |
| return (val); |
return val; |
| } |
} |
| |
|
| for (reg = r->regtab; reg; reg = reg->next) |
for (reg = r->regtab; reg; reg = reg->next) |
| if (0 == strcmp(name, reg->key.p)) |
if (0 == strcmp(name, reg->key.p)) |
| return(reg->val); |
return reg->val; |
| |
|
| return(0); |
return 0; |
| } |
} |
| |
|
| static int |
static int |
| Line 1616 roff_getregn(const struct roff *r, const char *name, s |
|
| Line 2584 roff_getregn(const struct roff *r, const char *name, s |
|
| int val; |
int val; |
| |
|
| if ('.' == name[0] && 2 == len) { |
if ('.' == name[0] && 2 == len) { |
| val = roff_getregro(name + 1); |
val = roff_getregro(r, name + 1); |
| if (-1 != val) |
if (-1 != val) |
| return (val); |
return val; |
| } |
} |
| |
|
| for (reg = r->regtab; reg; reg = reg->next) |
for (reg = r->regtab; reg; reg = reg->next) |
| if (len == reg->key.sz && |
if (len == reg->key.sz && |
| 0 == strncmp(name, reg->key.p, len)) |
0 == strncmp(name, reg->key.p, len)) |
| return(reg->val); |
return reg->val; |
| |
|
| return(0); |
return 0; |
| } |
} |
| |
|
| |
static int |
| |
roff_hasregn(const struct roff *r, const char *name, size_t len) |
| |
{ |
| |
struct roffreg *reg; |
| |
int val; |
| |
|
| |
if ('.' == name[0] && 2 == len) { |
| |
val = roff_getregro(r, name + 1); |
| |
if (-1 != val) |
| |
return 1; |
| |
} |
| |
|
| |
for (reg = r->regtab; reg; reg = reg->next) |
| |
if (len == reg->key.sz && |
| |
0 == strncmp(name, reg->key.p, len)) |
| |
return 1; |
| |
|
| |
return 0; |
| |
} |
| |
|
| static void |
static void |
| roff_freereg(struct roffreg *reg) |
roff_freereg(struct roffreg *reg) |
| { |
{ |
| Line 1645 roff_freereg(struct roffreg *reg) |
|
| Line 2633 roff_freereg(struct roffreg *reg) |
|
| static enum rofferr |
static enum rofferr |
| roff_nr(ROFF_ARGS) |
roff_nr(ROFF_ARGS) |
| { |
{ |
| const char *key; |
char *key, *val; |
| char *val; |
size_t keysz; |
| int iv; |
int iv; |
| char sign; |
char sign; |
| |
|
| val = *bufp + pos; |
key = val = buf->buf + pos; |
| key = roff_getname(r, &val, ln, pos); |
if (*key == '\0') |
| |
return ROFF_IGN; |
| |
|
| |
keysz = roff_getname(r, &val, ln, pos); |
| |
if (key[keysz] == '\\') |
| |
return ROFF_IGN; |
| |
key[keysz] = '\0'; |
| |
|
| sign = *val; |
sign = *val; |
| if ('+' == sign || '-' == sign) |
if (sign == '+' || sign == '-') |
| val++; |
val++; |
| |
|
| if (roff_evalnum(val, NULL, &iv, 0)) |
if (roff_evalnum(r, ln, val, NULL, &iv, ROFFNUM_SCALE)) |
| roff_setreg(r, key, iv, sign); |
roff_setreg(r, key, iv, sign); |
| |
|
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| static enum rofferr |
static enum rofferr |
| roff_rr(ROFF_ARGS) |
roff_rr(ROFF_ARGS) |
| { |
{ |
| struct roffreg *reg, **prev; |
struct roffreg *reg, **prev; |
| const char *name; |
char *name, *cp; |
| char *cp; |
size_t namesz; |
| |
|
| cp = *bufp + pos; |
name = cp = buf->buf + pos; |
| name = roff_getname(r, &cp, ln, pos); |
if (*name == '\0') |
| |
return ROFF_IGN; |
| |
namesz = roff_getname(r, &cp, ln, pos); |
| |
name[namesz] = '\0'; |
| |
|
| prev = &r->regtab; |
prev = &r->regtab; |
| while (1) { |
while (1) { |
| reg = *prev; |
reg = *prev; |
| if (NULL == reg || !strcmp(name, reg->key.p)) |
if (reg == NULL || !strcmp(name, reg->key.p)) |
| break; |
break; |
| prev = ®->next; |
prev = ®->next; |
| } |
} |
| if (NULL != reg) { |
if (reg != NULL) { |
| *prev = reg->next; |
*prev = reg->next; |
| free(reg->key.p); |
free(reg->key.p); |
| free(reg); |
free(reg); |
| } |
} |
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| /* ARGSUSED */ |
/* --- handler functions for roff requests -------------------------------- */ |
| |
|
| static enum rofferr |
static enum rofferr |
| roff_rm(ROFF_ARGS) |
roff_rm(ROFF_ARGS) |
| { |
{ |
| const char *name; |
const char *name; |
| char *cp; |
char *cp; |
| |
size_t namesz; |
| |
|
| cp = *bufp + pos; |
cp = buf->buf + pos; |
| while ('\0' != *cp) { |
while (*cp != '\0') { |
| name = roff_getname(r, &cp, ln, (int)(cp - *bufp)); |
name = cp; |
| if ('\0' != *name) |
namesz = roff_getname(r, &cp, ln, (int)(cp - buf->buf)); |
| roff_setstr(r, name, NULL, 0); |
roff_setstrn(&r->strtab, name, namesz, NULL, 0, 0); |
| |
if (name[namesz] == '\\') |
| |
break; |
| } |
} |
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_it(ROFF_ARGS) |
roff_it(ROFF_ARGS) |
| { |
{ |
| char *cp; |
|
| size_t len; |
|
| int iv; |
int iv; |
| |
|
| /* Parse the number of lines. */ |
/* Parse the number of lines. */ |
| cp = *bufp + pos; |
|
| len = strcspn(cp, " \t"); |
if ( ! roff_evalnum(r, ln, buf->buf, &pos, &iv, 0)) { |
| cp[len] = '\0'; |
mandoc_msg(MANDOCERR_IT_NONUM, r->parse, |
| if ((iv = mandoc_strntoi(cp, len, 10)) <= 0) { |
ln, ppos, buf->buf + 1); |
| mandoc_msg(MANDOCERR_NUMERIC, r->parse, |
return ROFF_IGN; |
| ln, ppos, *bufp + 1); |
|
| return(ROFF_IGN); |
|
| } |
} |
| cp += len + 1; |
|
| |
|
| /* Arm the input line trap. */ |
while (isspace((unsigned char)buf->buf[pos])) |
| |
pos++; |
| |
|
| |
/* |
| |
* Arm the input line trap. |
| |
* Special-casing "an-trap" is an ugly workaround to cope |
| |
* with DocBook stupidly fiddling with man(7) internals. |
| |
*/ |
| |
|
| roffit_lines = iv; |
roffit_lines = iv; |
| roffit_macro = mandoc_strdup(cp); |
roffit_macro = mandoc_strdup(iv != 1 || |
| return(ROFF_IGN); |
strcmp(buf->buf + pos, "an-trap") ? |
| |
buf->buf + pos : "br"); |
| |
return ROFF_IGN; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_Dd(ROFF_ARGS) |
roff_Dd(ROFF_ARGS) |
| { |
{ |
| const char *const *cp; |
const char *const *cp; |
| |
|
| if (0 == ((MPARSE_MDOC | MPARSE_QUICK) & r->options)) |
if ((r->options & (MPARSE_MDOC | MPARSE_QUICK)) == 0) |
| for (cp = __mdoc_reserved; *cp; cp++) |
for (cp = __mdoc_reserved; *cp; cp++) |
| roff_setstr(r, *cp, NULL, 0); |
roff_setstr(r, *cp, NULL, 0); |
| |
|
| return(ROFF_CONT); |
if (r->format == 0) |
| |
r->format = MPARSE_MDOC; |
| |
|
| |
return ROFF_CONT; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_TH(ROFF_ARGS) |
roff_TH(ROFF_ARGS) |
| { |
{ |
| const char *const *cp; |
const char *const *cp; |
| |
|
| if (0 == (MPARSE_QUICK & r->options)) |
if ((r->options & MPARSE_QUICK) == 0) |
| for (cp = __man_reserved; *cp; cp++) |
for (cp = __man_reserved; *cp; cp++) |
| roff_setstr(r, *cp, NULL, 0); |
roff_setstr(r, *cp, NULL, 0); |
| |
|
| return(ROFF_CONT); |
if (r->format == 0) |
| |
r->format = MPARSE_MAN; |
| |
|
| |
return ROFF_CONT; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_TE(ROFF_ARGS) |
roff_TE(ROFF_ARGS) |
| { |
{ |
| |
|
| if (NULL == r->tbl) |
if (NULL == r->tbl) |
| mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
| else |
ln, ppos, "TE"); |
| tbl_end(&r->tbl); |
else if ( ! tbl_end(&r->tbl)) { |
| |
free(buf->buf); |
| return(ROFF_IGN); |
buf->buf = mandoc_strdup(".sp"); |
| |
buf->sz = 4; |
| |
return ROFF_REPARSE; |
| |
} |
| |
return ROFF_IGN; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_T_(ROFF_ARGS) |
roff_T_(ROFF_ARGS) |
| { |
{ |
| |
|
| if (NULL == r->tbl) |
if (NULL == r->tbl) |
| mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
| |
ln, ppos, "T&"); |
| else |
else |
| tbl_restart(ppos, ln, r->tbl); |
tbl_restart(ppos, ln, r->tbl); |
| |
|
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| #if 0 |
/* |
| static int |
* Handle in-line equation delimiters. |
| roff_closeeqn(struct roff *r) |
*/ |
| |
static enum rofferr |
| |
roff_eqndelim(struct roff *r, struct buf *buf, int pos) |
| { |
{ |
| |
char *cp1, *cp2; |
| |
const char *bef_pr, *bef_nl, *mac, *aft_nl, *aft_pr; |
| |
|
| return(r->eqn && ROFF_EQN == eqn_end(&r->eqn) ? 1 : 0); |
/* |
| } |
* Outside equations, look for an opening delimiter. |
| #endif |
* If we are inside an equation, we already know it is |
| |
* in-line, or this function wouldn't have been called; |
| |
* so look for a closing delimiter. |
| |
*/ |
| |
|
| static void |
cp1 = buf->buf + pos; |
| roff_openeqn(struct roff *r, const char *name, int line, |
cp2 = strchr(cp1, r->eqn == NULL ? |
| int offs, const char *buf) |
r->last_eqn->odelim : r->last_eqn->cdelim); |
| { |
if (cp2 == NULL) |
| struct eqn_node *e; |
return ROFF_CONT; |
| int poff; |
|
| |
|
| assert(NULL == r->eqn); |
*cp2++ = '\0'; |
| e = eqn_alloc(name, offs, line, r->parse); |
bef_pr = bef_nl = aft_nl = aft_pr = ""; |
| |
|
| if (r->last_eqn) |
/* Handle preceding text, protecting whitespace. */ |
| r->last_eqn->next = e; |
|
| else |
|
| r->first_eqn = r->last_eqn = e; |
|
| |
|
| r->eqn = r->last_eqn = e; |
if (*buf->buf != '\0') { |
| |
if (r->eqn == NULL) |
| |
bef_pr = "\\&"; |
| |
bef_nl = "\n"; |
| |
} |
| |
|
| if (buf) { |
/* |
| poff = 0; |
* Prepare replacing the delimiter with an equation macro |
| eqn_read(&r->eqn, line, buf, offs, &poff); |
* and drop leading white space from the equation. |
| |
*/ |
| |
|
| |
if (r->eqn == NULL) { |
| |
while (*cp2 == ' ') |
| |
cp2++; |
| |
mac = ".EQ"; |
| |
} else |
| |
mac = ".EN"; |
| |
|
| |
/* Handle following text, protecting whitespace. */ |
| |
|
| |
if (*cp2 != '\0') { |
| |
aft_nl = "\n"; |
| |
if (r->eqn != NULL) |
| |
aft_pr = "\\&"; |
| } |
} |
| |
|
| |
/* Do the actual replacement. */ |
| |
|
| |
buf->sz = mandoc_asprintf(&cp1, "%s%s%s%s%s%s%s", buf->buf, |
| |
bef_pr, bef_nl, mac, aft_nl, aft_pr, cp2) + 1; |
| |
free(buf->buf); |
| |
buf->buf = cp1; |
| |
|
| |
/* Toggle the in-line state of the eqn subsystem. */ |
| |
|
| |
r->eqn_inline = r->eqn == NULL; |
| |
return ROFF_REPARSE; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_EQ(ROFF_ARGS) |
roff_EQ(ROFF_ARGS) |
| { |
{ |
| |
struct eqn_node *e; |
| |
|
| roff_openeqn(r, *bufp + pos, ln, ppos, NULL); |
assert(r->eqn == NULL); |
| return(ROFF_IGN); |
e = eqn_alloc(ppos, ln, r->parse); |
| |
|
| |
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); |
| |
|
| |
return ROFF_IGN; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_EN(ROFF_ARGS) |
roff_EN(ROFF_ARGS) |
| { |
{ |
| |
|
| mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN"); |
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_TS(ROFF_ARGS) |
roff_TS(ROFF_ARGS) |
| { |
{ |
| struct tbl_node *tbl; |
struct tbl_node *tbl; |
| |
|
| if (r->tbl) { |
if (r->tbl) { |
| mandoc_msg(MANDOCERR_SCOPEBROKEN, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_BLK_BROKEN, r->parse, |
| |
ln, ppos, "TS breaks TS"); |
| tbl_end(&r->tbl); |
tbl_end(&r->tbl); |
| } |
} |
| |
|
| Line 1850 roff_TS(ROFF_ARGS) |
|
| Line 2911 roff_TS(ROFF_ARGS) |
|
| r->first_tbl = r->last_tbl = tbl; |
r->first_tbl = r->last_tbl = tbl; |
| |
|
| r->tbl = r->last_tbl = tbl; |
r->tbl = r->last_tbl = tbl; |
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| |
roff_brp(ROFF_ARGS) |
| |
{ |
| |
|
| |
buf->buf[pos - 1] = '\0'; |
| |
return ROFF_CONT; |
| |
} |
| |
|
| |
static enum rofferr |
| roff_cc(ROFF_ARGS) |
roff_cc(ROFF_ARGS) |
| { |
{ |
| const char *p; |
const char *p; |
| |
|
| p = *bufp + pos; |
p = buf->buf + pos; |
| |
|
| if ('\0' == *p || '.' == (r->control = *p++)) |
if (*p == '\0' || (r->control = *p++) == '.') |
| r->control = 0; |
r->control = 0; |
| |
|
| if ('\0' != *p) |
if (*p != '\0') |
| mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, ln, ppos, NULL); |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
| |
ln, p - buf->buf, "cc ... %s", p); |
| |
|
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_tr(ROFF_ARGS) |
roff_tr(ROFF_ARGS) |
| { |
{ |
| Line 1878 roff_tr(ROFF_ARGS) |
|
| Line 2946 roff_tr(ROFF_ARGS) |
|
| size_t fsz, ssz; |
size_t fsz, ssz; |
| enum mandoc_esc esc; |
enum mandoc_esc esc; |
| |
|
| p = *bufp + pos; |
p = buf->buf + pos; |
| |
|
| if ('\0' == *p) { |
if (*p == '\0') { |
| mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, ln, ppos, "tr"); |
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| while ('\0' != *p) { |
while (*p != '\0') { |
| fsz = ssz = 1; |
fsz = ssz = 1; |
| |
|
| first = p++; |
first = p++; |
| if ('\\' == *first) { |
if (*first == '\\') { |
| esc = mandoc_escape(&p, NULL, NULL); |
esc = mandoc_escape(&p, NULL, NULL); |
| if (ESCAPE_ERROR == esc) { |
if (esc == ESCAPE_ERROR) { |
| mandoc_msg |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
| (MANDOCERR_BADESCAPE, r->parse, |
ln, (int)(p - buf->buf), first); |
| ln, (int)(p - *bufp), NULL); |
return ROFF_IGN; |
| return(ROFF_IGN); |
|
| } |
} |
| fsz = (size_t)(p - first); |
fsz = (size_t)(p - first); |
| } |
} |
| |
|
| second = p++; |
second = p++; |
| if ('\\' == *second) { |
if (*second == '\\') { |
| esc = mandoc_escape(&p, NULL, NULL); |
esc = mandoc_escape(&p, NULL, NULL); |
| if (ESCAPE_ERROR == esc) { |
if (esc == ESCAPE_ERROR) { |
| mandoc_msg |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
| (MANDOCERR_BADESCAPE, r->parse, |
ln, (int)(p - buf->buf), second); |
| ln, (int)(p - *bufp), NULL); |
return ROFF_IGN; |
| return(ROFF_IGN); |
|
| } |
} |
| ssz = (size_t)(p - second); |
ssz = (size_t)(p - second); |
| } else if ('\0' == *second) { |
} else if (*second == '\0') { |
| mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, |
mandoc_vmsg(MANDOCERR_TR_ODD, r->parse, |
| ln, (int)(p - *bufp), NULL); |
ln, first - buf->buf, "tr %s", first); |
| second = " "; |
second = " "; |
| p--; |
p--; |
| } |
} |
| |
|
| if (fsz > 1) { |
if (fsz > 1) { |
| roff_setstrn(&r->xmbtab, first, |
roff_setstrn(&r->xmbtab, first, fsz, |
| fsz, second, ssz, 0); |
second, ssz, 0); |
| continue; |
continue; |
| } |
} |
| |
|
| if (NULL == r->xtab) |
if (r->xtab == NULL) |
| r->xtab = mandoc_calloc |
r->xtab = mandoc_calloc(128, |
| (128, sizeof(struct roffstr)); |
sizeof(struct roffstr)); |
| |
|
| free(r->xtab[(int)*first].p); |
free(r->xtab[(int)*first].p); |
| r->xtab[(int)*first].p = mandoc_strndup(second, ssz); |
r->xtab[(int)*first].p = mandoc_strndup(second, ssz); |
| r->xtab[(int)*first].sz = ssz; |
r->xtab[(int)*first].sz = ssz; |
| } |
} |
| |
|
| return(ROFF_IGN); |
return ROFF_IGN; |
| } |
} |
| |
|
| /* ARGSUSED */ |
|
| static enum rofferr |
static enum rofferr |
| roff_so(ROFF_ARGS) |
roff_so(ROFF_ARGS) |
| { |
{ |
| char *name; |
char *name, *cp; |
| |
|
| mandoc_msg(MANDOCERR_SO, r->parse, ln, ppos, NULL); |
name = buf->buf + pos; |
| |
mandoc_vmsg(MANDOCERR_SO, r->parse, ln, ppos, "so %s", name); |
| |
|
| /* |
/* |
| * Handle `so'. Be EXTREMELY careful, as we shouldn't be |
* Handle `so'. Be EXTREMELY careful, as we shouldn't be |
| Line 1950 roff_so(ROFF_ARGS) |
|
| Line 3016 roff_so(ROFF_ARGS) |
|
| * or using absolute paths. |
* or using absolute paths. |
| */ |
*/ |
| |
|
| name = *bufp + pos; |
if (*name == '/' || strstr(name, "../") || strstr(name, "/..")) { |
| if ('/' == *name || strstr(name, "../") || strstr(name, "/..")) { |
mandoc_vmsg(MANDOCERR_SO_PATH, r->parse, ln, ppos, |
| mandoc_msg(MANDOCERR_SOPATH, r->parse, ln, pos, NULL); |
".so %s", name); |
| return(ROFF_ERR); |
buf->sz = mandoc_asprintf(&cp, |
| |
".sp\nSee the file %s.\n.sp", name) + 1; |
| |
free(buf->buf); |
| |
buf->buf = cp; |
| |
*offs = 0; |
| |
return ROFF_REPARSE; |
| } |
} |
| |
|
| *offs = pos; |
*offs = pos; |
| return(ROFF_SO); |
return ROFF_SO; |
| } |
} |
| |
|
| /* ARGSUSED */ |
/* --- user defined strings and macros ------------------------------------ */ |
| |
|
| static enum rofferr |
static enum rofferr |
| roff_userdef(ROFF_ARGS) |
roff_userdef(ROFF_ARGS) |
| { |
{ |
| const char *arg[9]; |
const char *arg[9], *ap; |
| char *cp, *n1, *n2; |
char *cp, *n1, *n2; |
| int i; |
int expand_count, i, ib, ie; |
| |
size_t asz, rsz; |
| |
|
| /* |
/* |
| * Collect pointers to macro argument strings |
* Collect pointers to macro argument strings |
| * and NUL-terminate them. |
* and NUL-terminate them. |
| */ |
*/ |
| cp = *bufp + pos; |
|
| for (i = 0; i < 9; i++) |
|
| arg[i] = '\0' == *cp ? "" : |
|
| mandoc_getarg(r->parse, &cp, ln, &pos); |
|
| |
|
| |
r->argc = 0; |
| |
cp = buf->buf + pos; |
| |
for (i = 0; i < 9; i++) { |
| |
if (*cp == '\0') |
| |
arg[i] = ""; |
| |
else { |
| |
arg[i] = mandoc_getarg(r->parse, &cp, ln, &pos); |
| |
r->argc = i + 1; |
| |
} |
| |
} |
| |
|
| /* |
/* |
| * Expand macro arguments. |
* Expand macro arguments. |
| */ |
*/ |
| *szp = 0; |
|
| n1 = cp = mandoc_strdup(r->current_string); |
buf->sz = strlen(r->current_string) + 1; |
| while (NULL != (cp = strstr(cp, "\\$"))) { |
n1 = n2 = cp = mandoc_malloc(buf->sz); |
| i = cp[2] - '1'; |
memcpy(n1, r->current_string, buf->sz); |
| if (0 > i || 8 < i) { |
expand_count = 0; |
| /* Not an argument invocation. */ |
while (*cp != '\0') { |
| cp += 2; |
|
| |
/* Scan ahead for the next argument invocation. */ |
| |
|
| |
if (*cp++ != '\\') |
| continue; |
continue; |
| |
if (*cp++ != '$') |
| |
continue; |
| |
if (*cp == '*') { /* \\$* inserts all arguments */ |
| |
ib = 0; |
| |
ie = r->argc - 1; |
| |
} else { /* \\$1 .. \\$9 insert one argument */ |
| |
ib = ie = *cp - '1'; |
| |
if (ib < 0 || ib > 8) |
| |
continue; |
| } |
} |
| |
cp -= 2; |
| |
|
| *szp = strlen(n1) - 3 + strlen(arg[i]) + 1; |
/* |
| n2 = mandoc_malloc(*szp); |
* Prevent infinite recursion. |
| |
*/ |
| |
|
| strlcpy(n2, n1, (size_t)(cp - n1 + 1)); |
if (cp >= n2) |
| strlcat(n2, arg[i], *szp); |
expand_count = 1; |
| strlcat(n2, cp + 3, *szp); |
else if (++expand_count > EXPAND_LIMIT) { |
| |
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
| |
ln, (int)(cp - n1), NULL); |
| |
return ROFF_IGN; |
| |
} |
| |
|
| cp = n2 + (cp - n1); |
/* |
| free(n1); |
* Determine the size of the expanded argument, |
| n1 = n2; |
* taking escaping of quotes into account. |
| |
*/ |
| |
|
| |
asz = ie > ib ? ie - ib : 0; /* for blanks */ |
| |
for (i = ib; i <= ie; i++) { |
| |
for (ap = arg[i]; *ap != '\0'; ap++) { |
| |
asz++; |
| |
if (*ap == '"') |
| |
asz += 3; |
| |
} |
| |
} |
| |
if (asz != 3) { |
| |
|
| |
/* |
| |
* Determine the size of the rest of the |
| |
* unexpanded macro, including the NUL. |
| |
*/ |
| |
|
| |
rsz = buf->sz - (cp - n1) - 3; |
| |
|
| |
/* |
| |
* When shrinking, move before |
| |
* releasing the storage. |
| |
*/ |
| |
|
| |
if (asz < 3) |
| |
memmove(cp + asz, cp + 3, rsz); |
| |
|
| |
/* |
| |
* Resize the storage for the macro |
| |
* and readjust the parse pointer. |
| |
*/ |
| |
|
| |
buf->sz += asz - 3; |
| |
n2 = mandoc_realloc(n1, buf->sz); |
| |
cp = n2 + (cp - n1); |
| |
n1 = n2; |
| |
|
| |
/* |
| |
* When growing, make room |
| |
* for the expanded argument. |
| |
*/ |
| |
|
| |
if (asz > 3) |
| |
memmove(cp + asz, cp + 3, rsz); |
| |
} |
| |
|
| |
/* Copy the expanded argument, escaping quotes. */ |
| |
|
| |
n2 = cp; |
| |
for (i = ib; i <= ie; i++) { |
| |
for (ap = arg[i]; *ap != '\0'; ap++) { |
| |
if (*ap == '"') { |
| |
memcpy(n2, "\\(dq", 4); |
| |
n2 += 4; |
| |
} else |
| |
*n2++ = *ap; |
| |
} |
| |
if (i < ie) |
| |
*n2++ = ' '; |
| |
} |
| } |
} |
| |
|
| /* |
/* |
| * Replace the macro invocation |
* Replace the macro invocation |
| * by the expanded macro. |
* by the expanded macro. |
| */ |
*/ |
| free(*bufp); |
|
| *bufp = n1; |
|
| if (0 == *szp) |
|
| *szp = strlen(*bufp) + 1; |
|
| |
|
| return(*szp > 1 && '\n' == (*bufp)[(int)*szp - 2] ? |
free(buf->buf); |
| ROFF_REPARSE : ROFF_APPEND); |
buf->buf = n1; |
| |
*offs = 0; |
| |
|
| |
return buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ? |
| |
ROFF_REPARSE : ROFF_APPEND; |
| } |
} |
| |
|
| static char * |
static size_t |
| roff_getname(struct roff *r, char **cpp, int ln, int pos) |
roff_getname(struct roff *r, char **cpp, int ln, int pos) |
| { |
{ |
| char *name, *cp; |
char *name, *cp; |
| |
size_t namesz; |
| |
|
| name = *cpp; |
name = *cpp; |
| if ('\0' == *name) |
if ('\0' == *name) |
| return(name); |
return 0; |
| |
|
| /* Read until end of name. */ |
/* Read until end of name and terminate it with NUL. */ |
| for (cp = name; '\0' != *cp && ' ' != *cp; cp++) { |
for (cp = name; 1; cp++) { |
| |
if ('\0' == *cp || ' ' == *cp) { |
| |
namesz = cp - name; |
| |
break; |
| |
} |
| if ('\\' != *cp) |
if ('\\' != *cp) |
| continue; |
continue; |
| |
namesz = cp - name; |
| |
if ('{' == cp[1] || '}' == cp[1]) |
| |
break; |
| cp++; |
cp++; |
| if ('\\' == *cp) |
if ('\\' == *cp) |
| continue; |
continue; |
| mandoc_msg(MANDOCERR_NAMESC, r->parse, ln, pos, NULL); |
mandoc_vmsg(MANDOCERR_NAMESC, r->parse, ln, pos, |
| *cp = '\0'; |
"%.*s", (int)(cp - name + 1), name); |
| name = cp; |
mandoc_escape((const char **)&cp, NULL, NULL); |
| |
break; |
| } |
} |
| |
|
| /* Nil-terminate name. */ |
|
| if ('\0' != *cp) |
|
| *(cp++) = '\0'; |
|
| |
|
| /* Read past spaces. */ |
/* Read past spaces. */ |
| while (' ' == *cp) |
while (' ' == *cp) |
| cp++; |
cp++; |
| |
|
| *cpp = cp; |
*cpp = cp; |
| return(name); |
return namesz; |
| } |
} |
| |
|
| /* |
/* |
| Line 2061 roff_setstr(struct roff *r, const char *name, const ch |
|
| Line 3224 roff_setstr(struct roff *r, const char *name, const ch |
|
| { |
{ |
| |
|
| roff_setstrn(&r->strtab, name, strlen(name), string, |
roff_setstrn(&r->strtab, name, strlen(name), string, |
| string ? strlen(string) : 0, append); |
string ? strlen(string) : 0, append); |
| } |
} |
| |
|
| static void |
static void |
| Line 2076 roff_setstrn(struct roffkv **r, const char *name, size |
|
| Line 3239 roff_setstrn(struct roffkv **r, const char *name, size |
|
| /* Search for an existing string with the same name. */ |
/* Search for an existing string with the same name. */ |
| n = *r; |
n = *r; |
| |
|
| while (n && strcmp(name, n->key.p)) |
while (n && (namesz != n->key.sz || |
| |
strncmp(n->key.p, name, namesz))) |
| n = n->next; |
n = n->next; |
| |
|
| if (NULL == n) { |
if (NULL == n) { |
| Line 2142 roff_getstrn(const struct roff *r, const char *name, s |
|
| Line 3306 roff_getstrn(const struct roff *r, const char *name, s |
|
| int i; |
int i; |
| |
|
| for (n = r->strtab; n; n = n->next) |
for (n = r->strtab; n; n = n->next) |
| if (0 == strncmp(name, n->key.p, len) && |
if (0 == strncmp(name, n->key.p, len) && |
| '\0' == n->key.p[(int)len]) |
'\0' == n->key.p[(int)len]) |
| return(n->val.p); |
return n->val.p; |
| |
|
| for (i = 0; i < PREDEFS_MAX; i++) |
for (i = 0; i < PREDEFS_MAX; i++) |
| if (0 == strncmp(name, predefs[i].name, len) && |
if (0 == strncmp(name, predefs[i].name, len) && |
| '\0' == predefs[i].name[(int)len]) |
'\0' == predefs[i].name[(int)len]) |
| return(predefs[i].str); |
return predefs[i].str; |
| |
|
| return(NULL); |
return NULL; |
| } |
} |
| |
|
| static void |
static void |
| Line 2167 roff_freestr(struct roffkv *r) |
|
| Line 3331 roff_freestr(struct roffkv *r) |
|
| } |
} |
| } |
} |
| |
|
| |
/* --- accessors and utility functions ------------------------------------ */ |
| |
|
| const struct tbl_span * |
const struct tbl_span * |
| roff_span(const struct roff *r) |
roff_span(const struct roff *r) |
| { |
{ |
| |
|
| return(r->tbl ? tbl_span(r->tbl) : NULL); |
return r->tbl ? tbl_span(r->tbl) : NULL; |
| } |
} |
| |
|
| const struct eqn * |
const struct eqn * |
| roff_eqn(const struct roff *r) |
roff_eqn(const struct roff *r) |
| { |
{ |
| |
|
| return(r->last_eqn ? &r->last_eqn->eqn : NULL); |
return r->last_eqn ? &r->last_eqn->eqn : NULL; |
| } |
} |
| |
|
| /* |
/* |
| Line 2196 roff_strdup(const struct roff *r, const char *p) |
|
| Line 3362 roff_strdup(const struct roff *r, const char *p) |
|
| enum mandoc_esc esc; |
enum mandoc_esc esc; |
| |
|
| if (NULL == r->xmbtab && NULL == r->xtab) |
if (NULL == r->xmbtab && NULL == r->xtab) |
| return(mandoc_strdup(p)); |
return mandoc_strdup(p); |
| else if ('\0' == *p) |
else if ('\0' == *p) |
| return(mandoc_strdup("")); |
return mandoc_strdup(""); |
| |
|
| /* |
/* |
| * Step through each character looking for term matches |
* Step through each character looking for term matches |
| Line 2212 roff_strdup(const struct roff *r, const char *p) |
|
| Line 3378 roff_strdup(const struct roff *r, const char *p) |
|
| ssz = 0; |
ssz = 0; |
| |
|
| while ('\0' != *p) { |
while ('\0' != *p) { |
| if ('\\' != *p && r->xtab && r->xtab[(int)*p].p) { |
assert((unsigned int)*p < 128); |
| |
if ('\\' != *p && r->xtab && r->xtab[(unsigned int)*p].p) { |
| sz = r->xtab[(int)*p].sz; |
sz = r->xtab[(int)*p].sz; |
| res = mandoc_realloc(res, ssz + sz + 1); |
res = mandoc_realloc(res, ssz + sz + 1); |
| memcpy(res + ssz, r->xtab[(int)*p].p, sz); |
memcpy(res + ssz, r->xtab[(int)*p].p, sz); |
| Line 2236 roff_strdup(const struct roff *r, const char *p) |
|
| Line 3403 roff_strdup(const struct roff *r, const char *p) |
|
| * Append the match to the array and move |
* Append the match to the array and move |
| * forward by its keysize. |
* forward by its keysize. |
| */ |
*/ |
| res = mandoc_realloc |
res = mandoc_realloc(res, |
| (res, ssz + cp->val.sz + 1); |
ssz + cp->val.sz + 1); |
| memcpy(res + ssz, cp->val.p, cp->val.sz); |
memcpy(res + ssz, cp->val.p, cp->val.sz); |
| ssz += cp->val.sz; |
ssz += cp->val.sz; |
| p += (int)cp->key.sz; |
p += (int)cp->key.sz; |
| Line 2258 roff_strdup(const struct roff *r, const char *p) |
|
| Line 3425 roff_strdup(const struct roff *r, const char *p) |
|
| memcpy(res + ssz, pp, sz); |
memcpy(res + ssz, pp, sz); |
| break; |
break; |
| } |
} |
| /* |
/* |
| * We bail out on bad escapes. |
* We bail out on bad escapes. |
| * No need to warn: we already did so when |
* No need to warn: we already did so when |
| * roff_res() was called. |
* roff_res() was called. |
| */ |
*/ |
| Line 2270 roff_strdup(const struct roff *r, const char *p) |
|
| Line 3437 roff_strdup(const struct roff *r, const char *p) |
|
| } |
} |
| |
|
| res[(int)ssz] = '\0'; |
res[(int)ssz] = '\0'; |
| return(res); |
return res; |
| } |
} |
| |
|
| |
int |
| |
roff_getformat(const struct roff *r) |
| |
{ |
| |
|
| |
return r->format; |
| |
} |
| |
|
| /* |
/* |
| * Find out whether a line is a macro line or not. |
* Find out whether a line is a macro line or not. |
| * If it is, adjust the current position and return one; if it isn't, |
* If it is, adjust the current position and return one; if it isn't, |
| * return zero and don't change the current position. |
* return zero and don't change the current position. |
| * If the control character has been set with `.cc', then let that grain |
* If the control character has been set with `.cc', then let that grain |
| Line 2293 roff_getcontrol(const struct roff *r, const char *cp, |
|
| Line 3467 roff_getcontrol(const struct roff *r, const char *cp, |
|
| if (0 != r->control && cp[pos] == r->control) |
if (0 != r->control && cp[pos] == r->control) |
| pos++; |
pos++; |
| else if (0 != r->control) |
else if (0 != r->control) |
| return(0); |
return 0; |
| else if ('\\' == cp[pos] && '.' == cp[pos + 1]) |
else if ('\\' == cp[pos] && '.' == cp[pos + 1]) |
| pos += 2; |
pos += 2; |
| else if ('.' == cp[pos] || '\'' == cp[pos]) |
else if ('.' == cp[pos] || '\'' == cp[pos]) |
| pos++; |
pos++; |
| else |
else |
| return(0); |
return 0; |
| |
|
| while (' ' == cp[pos] || '\t' == cp[pos]) |
while (' ' == cp[pos] || '\t' == cp[pos]) |
| pos++; |
pos++; |
| |
|
| *ppos = pos; |
*ppos = pos; |
| return(1); |
return 1; |
| } |
} |
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