-/* $Id: roff.c,v 1.240 2014/12/15 23:43:26 schwarze Exp $ */
+/* $Id: roff.c,v 1.260 2015/02/06 16:06:25 schwarze Exp $ */
/*
- * Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2011, 2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
#include <assert.h>
#include <ctype.h>
+#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define EXPAND_LIMIT 1000
enum rofft {
+ ROFF_ab,
ROFF_ad,
+ ROFF_af,
+ ROFF_aln,
+ ROFF_als,
ROFF_am,
- ROFF_ami,
ROFF_am1,
+ ROFF_ami,
+ ROFF_ami1,
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_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_dei,
ROFF_de1,
+ ROFF_defcolor,
+ ROFF_dei,
+ ROFF_dei1,
+ ROFF_device,
+ ROFF_devicem,
+ ROFF_di,
+ ROFF_do,
ROFF_ds,
+ ROFF_ds1,
+ ROFF_dwh,
+ ROFF_dt,
+ ROFF_ec,
+ ROFF_ecr,
+ ROFF_ecs,
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_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_hy,
+ ROFF_hylang,
+ ROFF_hylen,
+ ROFF_hym,
+ ROFF_hypp,
+ ROFF_hys,
ROFF_ie,
ROFF_if,
ROFF_ig,
+ /* MAN_in; ignored in mdoc(7) */
+ ROFF_index,
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,
+ /* MAN_nf; ignored in mdoc(7) */
ROFF_nh,
+ ROFF_nhychar,
+ ROFF_nm,
+ ROFF_nn,
+ ROFF_nop,
ROFF_nr,
+ ROFF_nrf,
+ ROFF_nroff,
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_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_rn,
+ ROFF_rnn,
ROFF_rr,
+ ROFF_rs,
+ ROFF_rt,
+ ROFF_schar,
+ ROFF_sentchar,
+ ROFF_shc,
+ ROFF_shift,
+ ROFF_sizes,
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_tr,
- ROFF_Dd,
+ ROFF_tc,
+ ROFF_TE,
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_TE,
- ROFF_T_,
- ROFF_EQ,
- ROFF_EN,
+ ROFF_uf,
+ ROFF_ul,
+ ROFF_unformat,
+ 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_USERDEF,
ROFF_MAX
static enum rofferr roff_block(ROFF_ARGS);
static enum rofferr roff_block_text(ROFF_ARGS);
static enum rofferr roff_block_sub(ROFF_ARGS);
+static enum rofferr roff_brp(ROFF_ARGS);
static enum rofferr roff_cblock(ROFF_ARGS);
static enum rofferr roff_cc(ROFF_ARGS);
static void roff_ccond(struct roff *, int, int);
static int roff_getregro(const char *name);
static const char *roff_getstrn(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_line_ignore(ROFF_ARGS);
static enum rofferr roff_nr(ROFF_ARGS);
static enum rofferr roff_EQ(ROFF_ARGS);
static enum rofferr roff_EN(ROFF_ARGS);
static enum rofferr roff_T_(ROFF_ARGS);
+static enum rofferr roff_unsupp(ROFF_ARGS);
static enum rofferr roff_userdef(ROFF_ARGS);
/* See roffhash_find() */
static struct roffmac *hash[HASHWIDTH];
static struct roffmac roffs[ROFF_MAX] = {
+ { "ab", roff_unsupp, 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 },
- { "ami", 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 },
+ { "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 },
{ "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 },
- { "dei", 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 },
+ { "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 },
+ { "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 },
+ { "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 },
{ "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 },
{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, 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 },
+ { "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 },
{ "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 },
+ { "nrf", roff_unsupp, NULL, NULL, 0, NULL },
+ { "nroff", 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 },
+ { "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 },
+ { "rn", roff_unsupp, NULL, NULL, 0, NULL },
+ { "rnn", roff_unsupp, 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 },
- { "ta", roff_line_ignore, NULL, NULL, 0, NULL },
- { "tr", roff_tr, NULL, NULL, 0, NULL },
- { "Dd", roff_Dd, NULL, NULL, 0, NULL },
+ { "spacewidth", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "special", roff_line_ignore, 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 },
+ { "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 },
- { "TE", roff_TE, NULL, NULL, 0, NULL },
- { "T&", roff_T_, NULL, NULL, 0, NULL },
- { "EQ", roff_EQ, NULL, NULL, 0, NULL },
- { "EN", roff_EN, NULL, NULL, 0, NULL },
+ { "uf", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "ul", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "unformat", roff_unsupp, 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 },
{ NULL, roff_userdef, NULL, NULL, 0, NULL },
};
/* Advance to the end of the name. */
+ naml = 0;
arg_complete = 1;
- for (naml = 0; maxl == 0 || naml < maxl; naml++, cp++) {
+ while (maxl == 0 || naml < maxl) {
if (*cp == '\0') {
mandoc_msg(MANDOCERR_ESC_BAD, r->parse,
ln, (int)(stesc - buf->buf), stesc);
cp++;
break;
}
+ if (*cp++ != '\\' || stesc[1] != 'w') {
+ naml++;
+ continue;
+ }
+ switch (mandoc_escape(&cp, NULL, NULL)) {
+ case ESCAPE_SPECIAL:
+ /* FALLTHROUGH */
+ case ESCAPE_UNICODE:
+ /* FALLTHROUGH */
+ case ESCAPE_NUMBERED:
+ /* FALLTHROUGH */
+ case ESCAPE_OVERSTRIKE:
+ naml++;
+ break;
+ default:
+ break;
+ }
}
/*
r->parse, ln, (int)(stesc - buf->buf),
"%.*s", (int)naml, stnam);
res = "";
+ } else if (buf->sz + strlen(res) > SHRT_MAX) {
+ mandoc_msg(MANDOCERR_ROFFLOOP, r->parse,
+ ln, (int)(stesc - buf->buf), NULL);
+ return(ROFF_IGN);
}
/* Replace the escape sequence by the string. */
enum rofft t;
enum rofferr e;
int pos; /* parse point */
+ int spos; /* saved parse point for messages */
int ppos; /* original offset in buf->buf */
int ctl; /* macro line (boolean) */
/*
* 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
- * we're not a macro, just let it through.
- * Finally, if there's an equation scope open, divert it into it
- * no matter our state.
+ * text through the macro's filter.
+ * Equations process all content themselves.
+ * Tables process almost all content themselves, but we want
+ * to warn about macros before passing it there.
*/
- if (r->last && ! ctl) {
+ if (r->last != NULL && ! ctl) {
t = r->last->tok;
assert(roffs[t].text);
e = (*roffs[t].text)(r, t, buf, ln, pos, pos, offs);
if (e != ROFF_CONT)
return(e);
}
- if (r->eqn)
+ if (r->eqn != NULL)
return(eqn_read(&r->eqn, ln, buf->buf, ppos, offs));
- if ( ! ctl) {
- if (r->tbl)
- return(tbl_read(r->tbl, ln, buf->buf, pos));
+ if (r->tbl != NULL && ( ! ctl || buf->buf[pos] == '\0'))
+ return(tbl_read(r->tbl, ln, buf->buf, ppos));
+ if ( ! ctl)
return(roff_parsetext(buf, pos, offs));
- }
/* Skip empty request lines. */
return((*roffs[t].sub)(r, t, buf, 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] != '\0' && 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
- * the new macro. If no macro is found, simply return and let
- * the compilers handle it.
+ * This is neither a roff request nor a user-defined macro.
+ * Let the standard macro set parsers handle it.
*/
- if ((t = roff_parse(r, buf->buf, &pos, ln, ppos)) == ROFF_MAX)
+ if (t == ROFF_MAX)
return(ROFF_CONT);
+ /* Execute a roff request or a user defined macro. */
+
assert(roffs[t].proc);
return((*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs));
}
if (tok == ROFF_de1)
tok = ROFF_de;
+ else if (tok == ROFF_dei1)
+ tok = ROFF_dei;
else if (tok == ROFF_am1)
tok = ROFF_am;
+ else if (tok == ROFF_ami1)
+ tok = ROFF_ami;
/* Parse the macro name argument. */
*ep = '&';
roff_ccond(r, ln, ep - buf->buf - 1);
}
- ++ep;
+ if (*ep != '\0')
+ ++ep;
}
return(rr ? ROFF_CONT : ROFF_IGN);
}
*ep = '&';
roff_ccond(r, ln, ep - buf->buf - 1);
}
- ++ep;
+ if (*ep != '\0')
+ ++ep;
}
return(rr ? ROFF_CONT : ROFF_IGN);
}
if (n)
*res = -*res;
- *pos = p;
- return 1;
+ /* Each number may be followed by one optional scaling unit. */
+
+ switch (v[p]) {
+ case 'f':
+ *res *= 65536;
+ break;
+ case 'i':
+ *res *= 240;
+ break;
+ case 'c':
+ *res *= 240;
+ *res /= 2.54;
+ break;
+ case 'v':
+ /* FALLTROUGH */
+ case 'P':
+ *res *= 40;
+ break;
+ case 'm':
+ /* FALLTROUGH */
+ case 'n':
+ *res *= 24;
+ break;
+ case 'p':
+ *res *= 10;
+ *res /= 3;
+ break;
+ case 'u':
+ break;
+ case 'M':
+ *res *= 6;
+ *res /= 25;
+ break;
+ default:
+ p--;
+ break;
+ }
+
+ *pos = p + 1;
+ return(1);
}
/*
out:
if (NULL == s3)
s3 = strchr(s2, '\0');
- else
+ else if (*s3 != '\0')
s3++;
*pos = s3 - v;
return(match);
static int
roff_evalcond(struct roff *r, int ln, const char *v, int *pos)
{
- int wanttrue, number;
+ int number, savepos, wanttrue;
if ('!' == v[*pos]) {
wanttrue = 0;
break;
}
+ savepos = *pos;
if (roff_evalnum(r, ln, v, pos, &number, 0))
return((number > 0) == wanttrue);
- else
+ else if (*pos == savepos)
return(roff_evalstrcond(v, pos) == wanttrue);
+ else
+ return (0);
}
static enum rofferr
return(ROFF_IGN);
}
+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)
{
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;
+
/*
* The first word is the name of the string.
* If it is empty or terminated by an escape sequence,
*res *= operand2;
break;
case '/':
- if (0 == operand2) {
+ if (operand2 == 0) {
mandoc_msg(MANDOCERR_DIVZERO,
r->parse, ln, *pos, v);
*res = 0;
*res /= operand2;
break;
case '%':
+ if (operand2 == 0) {
+ mandoc_msg(MANDOCERR_DIVZERO,
+ r->parse, ln, *pos, v);
+ *res = 0;
+ break;
+ }
*res %= operand2;
break;
case '<':
if (NULL == r->tbl)
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse,
ln, ppos, "TE");
- else
- tbl_end(&r->tbl);
-
+ else if ( ! tbl_end(&r->tbl)) {
+ free(buf->buf);
+ buf->buf = mandoc_strdup(".sp");
+ buf->sz = 4;
+ return(ROFF_REPARSE);
+ }
return(ROFF_IGN);
}
return(ROFF_IGN);
}
+static enum rofferr
+roff_brp(ROFF_ARGS)
+{
+
+ buf->buf[pos - 1] = '\0';
+ return(ROFF_CONT);
+}
+
static enum rofferr
roff_cc(ROFF_ARGS)
{
r->control = 0;
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);
}
p = buf->buf + pos;
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);
}
}
ssz = (size_t)(p - second);
} else if (*second == '\0') {
- mandoc_msg(MANDOCERR_ARGCOUNT, r->parse,
- ln, (int)(p - buf->buf), NULL);
+ mandoc_vmsg(MANDOCERR_TR_ODD, r->parse,
+ ln, first - buf->buf, "tr %s", first);
second = " ";
p--;
}
static enum rofferr
roff_so(ROFF_ARGS)
{
- char *name;
+ char *name, *cp;
name = buf->buf + pos;
mandoc_vmsg(MANDOCERR_SO, r->parse, ln, ppos, "so %s", name);
if (*name == '/' || strstr(name, "../") || strstr(name, "/..")) {
mandoc_vmsg(MANDOCERR_SO_PATH, r->parse, ln, ppos,
".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;
buf->buf = n1;
if (buf->sz == 0)
buf->sz = strlen(buf->buf) + 1;
+ *offs = 0;
return(buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ?
ROFF_REPARSE : ROFF_APPEND);
git.ckatri.com / mandoc.git / blobdiff