-/* $Id: roff.c,v 1.258 2015/01/28 17:32:07 schwarze Exp $ */
+/* $Id: roff.c,v 1.307 2017/06/08 19:35:51 schwarze Exp $ */
/*
- * Copyright (c) 2010, 2011, 2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010-2015, 2017 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 <stddef.h>
+#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mandoc.h"
#include "mandoc_aux.h"
+#include "mandoc_ohash.h"
+#include "roff.h"
#include "libmandoc.h"
+#include "roff_int.h"
#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. */
#define EXPAND_LIMIT 1000
-enum rofft {
- ROFF_ab,
- ROFF_ad,
- ROFF_af,
- ROFF_aln,
- ROFF_als,
- ROFF_am,
- 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_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_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_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
-};
+/* --- data types --------------------------------------------------------- */
/*
* An incredibly-simple string buffer.
struct roffreg *next;
};
+/*
+ * Association of request and macro names with token IDs.
+ */
+struct roffreq {
+ enum roff_tok tok;
+ char name[];
+};
+
struct roff {
struct mparse *parse; /* parse point */
- const struct mchars *mchars; /* character table */
+ struct roff_man *man; /* mdoc or man parser */
struct roffnode *last; /* leaf of stack */
int *rstack; /* stack of inverted `ie' values */
+ struct ohash *reqtab; /* request lookup table */
struct roffreg *regtab; /* number registers */
struct roffkv *strtab; /* user-defined strings & macros */
+ struct roffkv *rentab; /* renamed strings & macros */
struct roffkv *xmbtab; /* multi-byte trans table (`tr') */
struct roffstr *xtab; /* single-byte trans table (`tr') */
const char *current_string; /* value of last called user macro */
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 */
+ char escape; /* escape character */
};
struct roffnode {
- enum rofft tok; /* type of node */
+ enum roff_tok tok; /* type of node */
struct roffnode *parent; /* up one in stack */
int line; /* parse line */
int col; /* parse col */
};
#define ROFF_ARGS struct roff *r, /* parse ctx */ \
- enum rofft tok, /* tok of macro */ \
+ enum roff_tok tok, /* tok of macro */ \
struct buf *buf, /* input buffer */ \
int ln, /* parse line */ \
int ppos, /* original pos in buffer */ \
typedef enum rofferr (*roffproc)(ROFF_ARGS);
struct roffmac {
- const char *name; /* macro name */
roffproc proc; /* process new macro */
roffproc text; /* process as child text of macro */
roffproc sub; /* process as child of macro */
int flags;
#define ROFFMAC_STRUCT (1 << 0) /* always interpret */
- struct roffmac *next;
};
struct predef {
#define PREDEF(__name, __str) \
{ (__name), (__str) },
-static enum rofft roffhash_find(const char *, size_t);
-static void roffhash_init(void);
+/* --- function prototypes ------------------------------------------------ */
+
static void roffnode_cleanscope(struct roff *);
static void roffnode_pop(struct roff *);
-static void roffnode_push(struct roff *, enum rofft,
+static void roffnode_push(struct roff *, enum roff_tok,
const char *, int, int);
static enum rofferr roff_block(ROFF_ARGS);
static enum rofferr roff_block_text(ROFF_ARGS);
static enum rofferr roff_block_sub(ROFF_ARGS);
-static enum rofferr roff_brp(ROFF_ARGS);
+static enum rofferr roff_br(ROFF_ARGS);
static enum rofferr roff_cblock(ROFF_ARGS);
static enum rofferr roff_cc(ROFF_ARGS);
static void roff_ccond(struct roff *, int, int);
static enum rofferr roff_cond_text(ROFF_ARGS);
static enum rofferr roff_cond_sub(ROFF_ARGS);
static enum rofferr roff_ds(ROFF_ARGS);
+static enum rofferr roff_ec(ROFF_ARGS);
+static enum rofferr roff_eo(ROFF_ARGS);
static enum rofferr roff_eqndelim(struct roff *, struct buf *, int);
-static int roff_evalcond(struct roff *r, int,
- const char *, int *);
+static int roff_evalcond(struct roff *r, int, char *, int *);
static int roff_evalnum(struct roff *, int,
const char *, int *, int *, int);
static int roff_evalpar(struct roff *, int,
- const char *, int *, int *);
+ const char *, int *, int *, int);
static int roff_evalstrcond(const char *, int *);
static void roff_free1(struct roff *);
static void roff_freereg(struct roffreg *);
static void roff_freestr(struct roffkv *);
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_getregn(const struct roff *,
const char *, size_t);
-static int roff_getregro(const char *name);
+static int roff_getregro(const struct roff *,
+ const char *name);
+static const char *roff_getrenn(const struct roff *,
+ const char *, size_t);
static const char *roff_getstrn(const struct roff *,
const char *, size_t);
+static 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_line_ignore(ROFF_ARGS);
+static void roff_man_alloc1(struct roff_man *);
+static void roff_man_free1(struct roff_man *);
+static enum rofferr roff_manyarg(ROFF_ARGS);
static enum rofferr roff_nr(ROFF_ARGS);
-static enum rofft roff_parse(struct roff *, char *, int *,
+static enum rofferr roff_onearg(ROFF_ARGS);
+static enum roff_tok roff_parse(struct roff *, char *, int *,
int, int);
-static enum rofferr roff_parsetext(struct buf *, int, int *);
+static enum rofferr roff_parsetext(struct roff *, struct buf *,
+ int, int *);
+static enum rofferr roff_renamed(ROFF_ARGS);
static enum rofferr roff_res(struct roff *, struct buf *, int, int);
static enum rofferr roff_rm(ROFF_ARGS);
+static enum rofferr roff_rn(ROFF_ARGS);
static enum rofferr roff_rr(ROFF_ARGS);
static void roff_setstr(struct roff *,
const char *, const char *, int);
static enum rofferr roff_unsupp(ROFF_ARGS);
static enum rofferr roff_userdef(ROFF_ARGS);
-/* See roffhash_find() */
-
-#define ASCII_HI 126
-#define ASCII_LO 33
-#define HASHWIDTH (ASCII_HI - ASCII_LO + 1)
-
-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 },
- { "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 },
- { "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 },
- { "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 },
- { "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 },
+/* --- constant data ------------------------------------------------------ */
+
+#define ROFFNUM_SCALE (1 << 0) /* Honour scaling in roff_getnum(). */
+#define ROFFNUM_WHITE (1 << 1) /* Skip whitespace in roff_evalnum(). */
+
+const char *__roff_name[MAN_MAX + 1] = {
+ "br", "ce", "ft", "ll",
+ "mc", "sp", "ta", "ti",
+ NULL,
+ "ab", "ad", "af", "aln",
+ "als", "am", "am1", "ami",
+ "ami1", "as", "as1", "asciify",
+ "backtrace", "bd", "bleedat", "blm",
+ "box", "boxa", "bp", "BP",
+ "break", "breakchar", "brnl", "brp",
+ "brpnl", "c2", "cc",
+ "cf", "cflags", "ch", "char",
+ "chop", "class", "close", "CL",
+ "color", "composite", "continue", "cp",
+ "cropat", "cs", "cu", "da",
+ "dch", "Dd", "de", "de1",
+ "defcolor", "dei", "dei1", "device",
+ "devicem", "di", "do", "ds",
+ "ds1", "dwh", "dt", "ec",
+ "ecr", "ecs", "el", "em",
+ "EN", "eo", "EP", "EQ",
+ "errprint", "ev", "evc", "ex",
+ "fallback", "fam", "fc", "fchar",
+ "fcolor", "fdeferlig", "feature", "fkern",
+ "fl", "flig", "fp", "fps",
+ "fschar", "fspacewidth", "fspecial", "ftr",
+ "fzoom", "gcolor", "hc", "hcode",
+ "hidechar", "hla", "hlm", "hpf",
+ "hpfa", "hpfcode", "hw", "hy",
+ "hylang", "hylen", "hym", "hypp",
+ "hys", "ie", "if", "ig",
+ "index", "it", "itc", "IX",
+ "kern", "kernafter", "kernbefore", "kernpair",
+ "lc", "lc_ctype", "lds", "length",
+ "letadj", "lf", "lg", "lhang",
+ "linetabs", "lnr", "lnrf", "lpfx",
+ "ls", "lsm", "lt",
+ "mediasize", "minss", "mk", "mso",
+ "na", "ne", "nh", "nhychar",
+ "nm", "nn", "nop", "nr",
+ "nrf", "nroff", "ns", "nx",
+ "open", "opena", "os", "output",
+ "padj", "papersize", "pc", "pev",
+ "pi", "PI", "pl", "pm",
+ "pn", "pnr", "po", "ps",
+ "psbb", "pshape", "pso", "ptr",
+ "pvs", "rchar", "rd", "recursionlimit",
+ "return", "rfschar", "rhang", "rj",
+ "rm", "rn", "rnn", "rr",
+ "rs", "rt", "schar", "sentchar",
+ "shc", "shift", "sizes", "so",
+ "spacewidth", "special", "spreadwarn", "ss",
+ "sty", "substring", "sv", "sy",
+ "T&", "tc", "TE",
+ "TH", "tkf", "tl",
+ "tm", "tm1", "tmc", "tr",
+ "track", "transchar", "trf", "trimat",
+ "trin", "trnt", "troff", "TS",
+ "uf", "ul", "unformat", "unwatch",
+ "unwatchn", "vpt", "vs", "warn",
+ "warnscale", "watch", "watchlength", "watchn",
+ "wh", "while", "write", "writec",
+ "writem", "xflag", ".", NULL,
+ NULL, "text",
+ "Dd", "Dt", "Os", "Sh",
+ "Ss", "Pp", "D1", "Dl",
+ "Bd", "Ed", "Bl", "El",
+ "It", "Ad", "An", "Ap",
+ "Ar", "Cd", "Cm", "Dv",
+ "Er", "Ev", "Ex", "Fa",
+ "Fd", "Fl", "Fn", "Ft",
+ "Ic", "In", "Li", "Nd",
+ "Nm", "Op", "Ot", "Pa",
+ "Rv", "St", "Va", "Vt",
+ "Xr", "%A", "%B", "%D",
+ "%I", "%J", "%N", "%O",
+ "%P", "%R", "%T", "%V",
+ "Ac", "Ao", "Aq", "At",
+ "Bc", "Bf", "Bo", "Bq",
+ "Bsx", "Bx", "Db", "Dc",
+ "Do", "Dq", "Ec", "Ef",
+ "Em", "Eo", "Fx", "Ms",
+ "No", "Ns", "Nx", "Ox",
+ "Pc", "Pf", "Po", "Pq",
+ "Qc", "Ql", "Qo", "Qq",
+ "Re", "Rs", "Sc", "So",
+ "Sq", "Sm", "Sx", "Sy",
+ "Tn", "Ux", "Xc", "Xo",
+ "Fo", "Fc", "Oo", "Oc",
+ "Bk", "Ek", "Bt", "Hf",
+ "Fr", "Ud", "Lb", "Lp",
+ "Lk", "Mt", "Brq", "Bro",
+ "Brc", "%C", "Es", "En",
+ "Dx", "%Q", "%U", "Ta",
+ NULL,
+ "TH", "SH", "SS", "TP",
+ "LP", "PP", "P", "IP",
+ "HP", "SM", "SB", "BI",
+ "IB", "BR", "RB", "R",
+ "B", "I", "IR", "RI",
+ "nf", "fi",
+ "RE", "RS", "DT", "UC",
+ "PD", "AT", "in",
+ "OP", "EX", "EE", "UR",
+ "UE", NULL
+};
+const char *const *roff_name = __roff_name;
+
+static struct roffmac roffs[TOKEN_NONE] = {
+ { roff_br, NULL, NULL, 0 }, /* br */
+ { roff_onearg, NULL, NULL, 0 }, /* ce */
+ { roff_onearg, NULL, NULL, 0 }, /* ft */
+ { roff_onearg, NULL, NULL, 0 }, /* ll */
+ { roff_onearg, NULL, NULL, 0 }, /* mc */
+ { roff_onearg, NULL, NULL, 0 }, /* sp */
+ { roff_manyarg, NULL, NULL, 0 }, /* ta */
+ { roff_onearg, NULL, NULL, 0 }, /* ti */
+ { NULL, NULL, NULL, 0 }, /* ROFF_MAX */
+ { roff_unsupp, NULL, NULL, 0 }, /* ab */
+ { roff_line_ignore, NULL, NULL, 0 }, /* ad */
+ { roff_line_ignore, NULL, NULL, 0 }, /* af */
+ { roff_unsupp, NULL, NULL, 0 }, /* aln */
+ { roff_unsupp, NULL, NULL, 0 }, /* als */
+ { roff_block, roff_block_text, roff_block_sub, 0 }, /* am */
+ { roff_block, roff_block_text, roff_block_sub, 0 }, /* am1 */
+ { roff_block, roff_block_text, roff_block_sub, 0 }, /* ami */
+ { roff_block, roff_block_text, roff_block_sub, 0 }, /* ami1 */
+ { roff_ds, NULL, NULL, 0 }, /* as */
+ { roff_ds, NULL, NULL, 0 }, /* as1 */
+ { roff_unsupp, NULL, NULL, 0 }, /* asciify */
+ { roff_line_ignore, NULL, NULL, 0 }, /* backtrace */
+ { roff_line_ignore, NULL, NULL, 0 }, /* bd */
+ { roff_line_ignore, NULL, NULL, 0 }, /* bleedat */
+ { roff_unsupp, NULL, NULL, 0 }, /* blm */
+ { roff_unsupp, NULL, NULL, 0 }, /* box */
+ { roff_unsupp, NULL, NULL, 0 }, /* boxa */
+ { roff_line_ignore, NULL, NULL, 0 }, /* bp */
+ { roff_unsupp, NULL, NULL, 0 }, /* BP */
+ { roff_unsupp, NULL, NULL, 0 }, /* break */
+ { roff_line_ignore, NULL, NULL, 0 }, /* breakchar */
+ { roff_line_ignore, NULL, NULL, 0 }, /* brnl */
+ { roff_br, NULL, NULL, 0 }, /* brp */
+ { roff_line_ignore, NULL, NULL, 0 }, /* brpnl */
+ { roff_unsupp, NULL, NULL, 0 }, /* c2 */
+ { roff_cc, NULL, NULL, 0 }, /* cc */
+ { roff_insec, NULL, NULL, 0 }, /* cf */
+ { roff_line_ignore, NULL, NULL, 0 }, /* cflags */
+ { roff_line_ignore, NULL, NULL, 0 }, /* ch */
+ { roff_unsupp, NULL, NULL, 0 }, /* char */
+ { roff_unsupp, NULL, NULL, 0 }, /* chop */
+ { roff_line_ignore, NULL, NULL, 0 }, /* class */
+ { roff_insec, NULL, NULL, 0 }, /* close */
+ { roff_unsupp, NULL, NULL, 0 }, /* CL */
+ { roff_line_ignore, NULL, NULL, 0 }, /* color */
+ { roff_unsupp, NULL, NULL, 0 }, /* composite */
+ { roff_unsupp, NULL, NULL, 0 }, /* continue */
+ { roff_line_ignore, NULL, NULL, 0 }, /* cp */
+ { roff_line_ignore, NULL, NULL, 0 }, /* cropat */
+ { roff_line_ignore, NULL, NULL, 0 }, /* cs */
+ { roff_line_ignore, NULL, NULL, 0 }, /* cu */
+ { roff_unsupp, NULL, NULL, 0 }, /* da */
+ { roff_unsupp, NULL, NULL, 0 }, /* dch */
+ { roff_Dd, NULL, NULL, 0 }, /* Dd */
+ { roff_block, roff_block_text, roff_block_sub, 0 }, /* de */
+ { roff_block, roff_block_text, roff_block_sub, 0 }, /* de1 */
+ { roff_line_ignore, NULL, NULL, 0 }, /* defcolor */
+ { roff_block, roff_block_text, roff_block_sub, 0 }, /* dei */
+ { roff_block, roff_block_text, roff_block_sub, 0 }, /* dei1 */
+ { roff_unsupp, NULL, NULL, 0 }, /* device */
+ { roff_unsupp, NULL, NULL, 0 }, /* devicem */
+ { roff_unsupp, NULL, NULL, 0 }, /* di */
+ { roff_unsupp, NULL, NULL, 0 }, /* do */
+ { roff_ds, NULL, NULL, 0 }, /* ds */
+ { roff_ds, NULL, NULL, 0 }, /* ds1 */
+ { roff_unsupp, NULL, NULL, 0 }, /* dwh */
+ { roff_unsupp, NULL, NULL, 0 }, /* dt */
+ { roff_ec, NULL, NULL, 0 }, /* ec */
+ { roff_unsupp, NULL, NULL, 0 }, /* ecr */
+ { roff_unsupp, NULL, NULL, 0 }, /* ecs */
+ { roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT }, /* el */
+ { roff_unsupp, NULL, NULL, 0 }, /* em */
+ { roff_EN, NULL, NULL, 0 }, /* EN */
+ { roff_eo, NULL, NULL, 0 }, /* eo */
+ { roff_unsupp, NULL, NULL, 0 }, /* EP */
+ { roff_EQ, NULL, NULL, 0 }, /* EQ */
+ { roff_line_ignore, NULL, NULL, 0 }, /* errprint */
+ { roff_unsupp, NULL, NULL, 0 }, /* ev */
+ { roff_unsupp, NULL, NULL, 0 }, /* evc */
+ { roff_unsupp, NULL, NULL, 0 }, /* ex */
+ { roff_line_ignore, NULL, NULL, 0 }, /* fallback */
+ { roff_line_ignore, NULL, NULL, 0 }, /* fam */
+ { roff_unsupp, NULL, NULL, 0 }, /* fc */
+ { roff_unsupp, NULL, NULL, 0 }, /* fchar */
+ { roff_line_ignore, NULL, NULL, 0 }, /* fcolor */
+ { roff_line_ignore, NULL, NULL, 0 }, /* fdeferlig */
+ { roff_line_ignore, NULL, NULL, 0 }, /* feature */
+ { roff_line_ignore, NULL, NULL, 0 }, /* fkern */
+ { roff_line_ignore, NULL, NULL, 0 }, /* fl */
+ { roff_line_ignore, NULL, NULL, 0 }, /* flig */
+ { roff_line_ignore, NULL, NULL, 0 }, /* fp */
+ { roff_line_ignore, NULL, NULL, 0 }, /* fps */
+ { roff_unsupp, NULL, NULL, 0 }, /* fschar */
+ { roff_line_ignore, NULL, NULL, 0 }, /* fspacewidth */
+ { roff_line_ignore, NULL, NULL, 0 }, /* fspecial */
+ { roff_line_ignore, NULL, NULL, 0 }, /* ftr */
+ { roff_line_ignore, NULL, NULL, 0 }, /* fzoom */
+ { roff_line_ignore, NULL, NULL, 0 }, /* gcolor */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hc */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hcode */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hidechar */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hla */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hlm */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hpf */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hpfa */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hpfcode */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hw */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hy */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hylang */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hylen */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hym */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hypp */
+ { roff_line_ignore, NULL, NULL, 0 }, /* hys */
+ { roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT }, /* ie */
+ { roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT }, /* if */
+ { roff_block, roff_block_text, roff_block_sub, 0 }, /* ig */
+ { roff_unsupp, NULL, NULL, 0 }, /* index */
+ { roff_it, NULL, NULL, 0 }, /* it */
+ { roff_unsupp, NULL, NULL, 0 }, /* itc */
+ { roff_line_ignore, NULL, NULL, 0 }, /* IX */
+ { roff_line_ignore, NULL, NULL, 0 }, /* kern */
+ { roff_line_ignore, NULL, NULL, 0 }, /* kernafter */
+ { roff_line_ignore, NULL, NULL, 0 }, /* kernbefore */
+ { roff_line_ignore, NULL, NULL, 0 }, /* kernpair */
+ { roff_unsupp, NULL, NULL, 0 }, /* lc */
+ { roff_unsupp, NULL, NULL, 0 }, /* lc_ctype */
+ { roff_unsupp, NULL, NULL, 0 }, /* lds */
+ { roff_unsupp, NULL, NULL, 0 }, /* length */
+ { roff_line_ignore, NULL, NULL, 0 }, /* letadj */
+ { roff_insec, NULL, NULL, 0 }, /* lf */
+ { roff_line_ignore, NULL, NULL, 0 }, /* lg */
+ { roff_line_ignore, NULL, NULL, 0 }, /* lhang */
+ { roff_unsupp, NULL, NULL, 0 }, /* linetabs */
+ { roff_unsupp, NULL, NULL, 0 }, /* lnr */
+ { roff_unsupp, NULL, NULL, 0 }, /* lnrf */
+ { roff_unsupp, NULL, NULL, 0 }, /* lpfx */
+ { roff_line_ignore, NULL, NULL, 0 }, /* ls */
+ { roff_unsupp, NULL, NULL, 0 }, /* lsm */
+ { roff_line_ignore, NULL, NULL, 0 }, /* lt */
+ { roff_line_ignore, NULL, NULL, 0 }, /* mediasize */
+ { roff_line_ignore, NULL, NULL, 0 }, /* minss */
+ { roff_line_ignore, NULL, NULL, 0 }, /* mk */
+ { roff_insec, NULL, NULL, 0 }, /* mso */
+ { roff_line_ignore, NULL, NULL, 0 }, /* na */
+ { roff_line_ignore, NULL, NULL, 0 }, /* ne */
+ { roff_line_ignore, NULL, NULL, 0 }, /* nh */
+ { roff_line_ignore, NULL, NULL, 0 }, /* nhychar */
+ { roff_unsupp, NULL, NULL, 0 }, /* nm */
+ { roff_unsupp, NULL, NULL, 0 }, /* nn */
+ { roff_unsupp, NULL, NULL, 0 }, /* nop */
+ { roff_nr, NULL, NULL, 0 }, /* nr */
+ { roff_unsupp, NULL, NULL, 0 }, /* nrf */
+ { roff_line_ignore, NULL, NULL, 0 }, /* nroff */
+ { roff_line_ignore, NULL, NULL, 0 }, /* ns */
+ { roff_insec, NULL, NULL, 0 }, /* nx */
+ { roff_insec, NULL, NULL, 0 }, /* open */
+ { roff_insec, NULL, NULL, 0 }, /* opena */
+ { roff_line_ignore, NULL, NULL, 0 }, /* os */
+ { roff_unsupp, NULL, NULL, 0 }, /* output */
+ { roff_line_ignore, NULL, NULL, 0 }, /* padj */
+ { roff_line_ignore, NULL, NULL, 0 }, /* papersize */
+ { roff_line_ignore, NULL, NULL, 0 }, /* pc */
+ { roff_line_ignore, NULL, NULL, 0 }, /* pev */
+ { roff_insec, NULL, NULL, 0 }, /* pi */
+ { roff_unsupp, NULL, NULL, 0 }, /* PI */
+ { roff_line_ignore, NULL, NULL, 0 }, /* pl */
+ { roff_line_ignore, NULL, NULL, 0 }, /* pm */
+ { roff_line_ignore, NULL, NULL, 0 }, /* pn */
+ { roff_line_ignore, NULL, NULL, 0 }, /* pnr */
+ { roff_line_ignore, NULL, NULL, 0 }, /* po */
+ { roff_line_ignore, NULL, NULL, 0 }, /* ps */
+ { roff_unsupp, NULL, NULL, 0 }, /* psbb */
+ { roff_unsupp, NULL, NULL, 0 }, /* pshape */
+ { roff_insec, NULL, NULL, 0 }, /* pso */
+ { roff_line_ignore, NULL, NULL, 0 }, /* ptr */
+ { roff_line_ignore, NULL, NULL, 0 }, /* pvs */
+ { roff_unsupp, NULL, NULL, 0 }, /* rchar */
+ { roff_line_ignore, NULL, NULL, 0 }, /* rd */
+ { roff_line_ignore, NULL, NULL, 0 }, /* recursionlimit */
+ { roff_unsupp, NULL, NULL, 0 }, /* return */
+ { roff_unsupp, NULL, NULL, 0 }, /* rfschar */
+ { roff_line_ignore, NULL, NULL, 0 }, /* rhang */
+ { roff_line_ignore, NULL, NULL, 0 }, /* rj */
+ { roff_rm, NULL, NULL, 0 }, /* rm */
+ { roff_rn, NULL, NULL, 0 }, /* rn */
+ { roff_unsupp, NULL, NULL, 0 }, /* rnn */
+ { roff_rr, NULL, NULL, 0 }, /* rr */
+ { roff_line_ignore, NULL, NULL, 0 }, /* rs */
+ { roff_line_ignore, NULL, NULL, 0 }, /* rt */
+ { roff_unsupp, NULL, NULL, 0 }, /* schar */
+ { roff_line_ignore, NULL, NULL, 0 }, /* sentchar */
+ { roff_line_ignore, NULL, NULL, 0 }, /* shc */
+ { roff_unsupp, NULL, NULL, 0 }, /* shift */
+ { roff_line_ignore, NULL, NULL, 0 }, /* sizes */
+ { roff_so, NULL, NULL, 0 }, /* so */
+ { roff_line_ignore, NULL, NULL, 0 }, /* spacewidth */
+ { roff_line_ignore, NULL, NULL, 0 }, /* special */
+ { roff_line_ignore, NULL, NULL, 0 }, /* spreadwarn */
+ { roff_line_ignore, NULL, NULL, 0 }, /* ss */
+ { roff_line_ignore, NULL, NULL, 0 }, /* sty */
+ { roff_unsupp, NULL, NULL, 0 }, /* substring */
+ { roff_line_ignore, NULL, NULL, 0 }, /* sv */
+ { roff_insec, NULL, NULL, 0 }, /* sy */
+ { roff_T_, NULL, NULL, 0 }, /* T& */
+ { roff_unsupp, NULL, NULL, 0 }, /* tc */
+ { roff_TE, NULL, NULL, 0 }, /* TE */
+ { roff_TH, NULL, NULL, 0 }, /* TH */
+ { roff_line_ignore, NULL, NULL, 0 }, /* tkf */
+ { roff_unsupp, NULL, NULL, 0 }, /* tl */
+ { roff_line_ignore, NULL, NULL, 0 }, /* tm */
+ { roff_line_ignore, NULL, NULL, 0 }, /* tm1 */
+ { roff_line_ignore, NULL, NULL, 0 }, /* tmc */
+ { roff_tr, NULL, NULL, 0 }, /* tr */
+ { roff_line_ignore, NULL, NULL, 0 }, /* track */
+ { roff_line_ignore, NULL, NULL, 0 }, /* transchar */
+ { roff_insec, NULL, NULL, 0 }, /* trf */
+ { roff_line_ignore, NULL, NULL, 0 }, /* trimat */
+ { roff_unsupp, NULL, NULL, 0 }, /* trin */
+ { roff_unsupp, NULL, NULL, 0 }, /* trnt */
+ { roff_line_ignore, NULL, NULL, 0 }, /* troff */
+ { roff_TS, NULL, NULL, 0 }, /* TS */
+ { roff_line_ignore, NULL, NULL, 0 }, /* uf */
+ { roff_line_ignore, NULL, NULL, 0 }, /* ul */
+ { roff_unsupp, NULL, NULL, 0 }, /* unformat */
+ { roff_line_ignore, NULL, NULL, 0 }, /* unwatch */
+ { roff_line_ignore, NULL, NULL, 0 }, /* unwatchn */
+ { roff_line_ignore, NULL, NULL, 0 }, /* vpt */
+ { roff_line_ignore, NULL, NULL, 0 }, /* vs */
+ { roff_line_ignore, NULL, NULL, 0 }, /* warn */
+ { roff_line_ignore, NULL, NULL, 0 }, /* warnscale */
+ { roff_line_ignore, NULL, NULL, 0 }, /* watch */
+ { roff_line_ignore, NULL, NULL, 0 }, /* watchlength */
+ { roff_line_ignore, NULL, NULL, 0 }, /* watchn */
+ { roff_unsupp, NULL, NULL, 0 }, /* wh */
+ { roff_unsupp, NULL, NULL, 0 }, /* while */
+ { roff_insec, NULL, NULL, 0 }, /* write */
+ { roff_insec, NULL, NULL, 0 }, /* writec */
+ { roff_insec, NULL, NULL, 0 }, /* writem */
+ { roff_line_ignore, NULL, NULL, 0 }, /* xflag */
+ { roff_cblock, NULL, NULL, 0 }, /* . */
+ { roff_renamed, NULL, NULL, 0 },
+ { roff_userdef, NULL, NULL, 0 }
};
/* not currently implemented: Ds em Eq LP Me PP pp Or Rd Sf SH */
#include "predefs.in"
};
-/* See roffhash_find() */
-#define ROFF_HASH(p) (p[0] - ASCII_LO)
-
+static int roffce_lines; /* number of input lines to center */
+static struct roff_node *roffce_node; /* active request */
static int roffit_lines; /* number of lines to delay */
static char *roffit_macro; /* nil-terminated macro line */
-static void
-roffhash_init(void)
-{
- struct roffmac *n;
- int buc, i;
+/* --- request table ------------------------------------------------------ */
- for (i = 0; i < (int)ROFF_USERDEF; i++) {
- assert(roffs[i].name[0] >= ASCII_LO);
- assert(roffs[i].name[0] <= ASCII_HI);
+struct ohash *
+roffhash_alloc(enum roff_tok mintok, enum roff_tok maxtok)
+{
+ struct ohash *htab;
+ struct roffreq *req;
+ enum roff_tok tok;
+ size_t sz;
+ unsigned int slot;
- buc = ROFF_HASH(roffs[i].name);
+ htab = mandoc_malloc(sizeof(*htab));
+ mandoc_ohash_init(htab, 8, offsetof(struct roffreq, name));
- if (NULL != (n = hash[buc])) {
- for ( ; n->next; n = n->next)
- /* Do nothing. */ ;
- n->next = &roffs[i];
- } else
- hash[buc] = &roffs[i];
+ for (tok = mintok; tok < maxtok; tok++) {
+ if (roff_name[tok] == NULL)
+ continue;
+ sz = strlen(roff_name[tok]);
+ req = mandoc_malloc(sizeof(*req) + sz + 1);
+ req->tok = tok;
+ memcpy(req->name, roff_name[tok], sz + 1);
+ slot = ohash_qlookup(htab, req->name);
+ ohash_insert(htab, slot, req);
}
+ return htab;
}
-/*
- * Look up a roff token by its name. Returns ROFF_MAX if no macro by
- * the nil-terminated string name could be found.
- */
-static enum rofft
-roffhash_find(const char *p, size_t s)
+void
+roffhash_free(struct ohash *htab)
{
- int buc;
- struct roffmac *n;
-
- /*
- * libroff has an extremely simple hashtable, for the time
- * being, which simply keys on the first character, which must
- * be printable, then walks a chain. It works well enough until
- * optimised.
- */
-
- if (p[0] < ASCII_LO || p[0] > ASCII_HI)
- return(ROFF_MAX);
+ struct roffreq *req;
+ unsigned int slot;
- buc = ROFF_HASH(p);
+ if (htab == NULL)
+ return;
+ for (req = ohash_first(htab, &slot); req != NULL;
+ req = ohash_next(htab, &slot))
+ free(req);
+ ohash_delete(htab);
+ free(htab);
+}
- if (NULL == (n = hash[buc]))
- return(ROFF_MAX);
- for ( ; n; n = n->next)
- if (0 == strncmp(n->name, p, s) && '\0' == n->name[(int)s])
- return((enum rofft)(n - roffs));
+enum roff_tok
+roffhash_find(struct ohash *htab, const char *name, size_t sz)
+{
+ struct roffreq *req;
+ const char *end;
- return(ROFF_MAX);
+ if (sz) {
+ end = name + sz;
+ req = ohash_find(htab, ohash_qlookupi(htab, name, &end));
+ } else
+ req = ohash_find(htab, ohash_qlookup(htab, name));
+ return req == NULL ? TOKEN_NONE : req->tok;
}
+/* --- stack of request blocks -------------------------------------------- */
+
/*
* Pop the current node off of the stack of roff instructions currently
* pending.
* removed with roffnode_pop().
*/
static void
-roffnode_push(struct roff *r, enum rofft tok, const char *name,
+roffnode_push(struct roff *r, enum roff_tok tok, const char *name,
int line, int col)
{
struct roffnode *p;
r->last = p;
}
+/* --- roff parser state data management ---------------------------------- */
+
static void
roff_free1(struct roff *r)
{
r->regtab = NULL;
roff_freestr(r->strtab);
+ roff_freestr(r->rentab);
roff_freestr(r->xmbtab);
- r->strtab = r->xmbtab = NULL;
+ r->strtab = r->rentab = r->xmbtab = NULL;
if (r->xtab)
for (i = 0; i < 128; i++)
void
roff_reset(struct roff *r)
{
-
roff_free1(r);
r->format = r->options & (MPARSE_MDOC | MPARSE_MAN);
- r->control = 0;
+ r->control = '\0';
+ r->escape = '\\';
+ roffce_lines = 0;
+ roffce_node = NULL;
+ roffit_lines = 0;
+ roffit_macro = NULL;
}
void
roff_free(struct roff *r)
{
-
roff_free1(r);
+ roffhash_free(r->reqtab);
free(r);
}
struct roff *
-roff_alloc(struct mparse *parse, const struct mchars *mchars, int options)
+roff_alloc(struct mparse *parse, int options)
{
struct roff *r;
r = mandoc_calloc(1, sizeof(struct roff));
r->parse = parse;
- r->mchars = mchars;
+ r->reqtab = roffhash_alloc(0, ROFF_USERDEF);
r->options = options;
r->format = options & (MPARSE_MDOC | MPARSE_MAN);
r->rstackpos = -1;
+ r->escape = '\\';
+ 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);
+ roff->man = 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, ROFF_TS);
+ n = roff_node_alloc(man, tbl->line, 0, ROFFT_TBL, TOKEN_NONE);
+ n->span = tbl;
+ roff_node_append(man, n);
+ n->flags |= NODE_VALID | NODE_ENDED;
+ man->next = ROFF_NEXT_SIBLING;
+}
+
+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;
- roffhash_init();
+ 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;
+ }
- return(r);
+ /* 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 escape sequences that tend to get
* used in numerical expressions and conditional requests.
int expand_count; /* to avoid infinite loops */
int npos; /* position in numeric expression */
int arg_complete; /* argument not interrupted by eol */
+ int done; /* no more input available */
char term; /* character terminating the escape */
- expand_count = 0;
+ /* Search forward for comments. */
+
+ done = 0;
start = buf->buf + pos;
- stesc = strchr(start, '\0') - 1;
- while (stesc-- > start) {
+ for (stesc = buf->buf + pos; *stesc != '\0'; stesc++) {
+ if (stesc[0] != r->escape || stesc[1] == '\0')
+ continue;
+ stesc++;
+ if (*stesc != '"' && *stesc != '#')
+ continue;
+ cp = strchr(stesc--, '\0') - 1;
+ if (*cp == '\n') {
+ done = 1;
+ cp--;
+ }
+ if (*cp == ' ' || *cp == '\t')
+ mandoc_msg(MANDOCERR_SPACE_EOL, r->parse,
+ ln, cp - buf->buf, NULL);
+ while (stesc > start && stesc[-1] == ' ')
+ stesc--;
+ *stesc = '\0';
+ break;
+ }
+ if (stesc == start)
+ return ROFF_CONT;
+ stesc--;
+
+ /* Notice the end of the input. */
+
+ if (*stesc == '\n') {
+ *stesc-- = '\0';
+ done = 1;
+ }
+
+ expand_count = 0;
+ while (stesc >= start) {
/* Search backwards for the next backslash. */
- if (*stesc != '\\')
+ if (*stesc != r->escape) {
+ if (*stesc == '\\') {
+ *stesc = '\0';
+ buf->sz = mandoc_asprintf(&nbuf, "%s\\e%s",
+ buf->buf, stesc + 1) + 1;
+ start = nbuf + pos;
+ stesc = nbuf + (stesc - buf->buf);
+ free(buf->buf);
+ buf->buf = nbuf;
+ }
+ stesc--;
continue;
+ }
/* If it is escaped, skip it. */
for (cp = stesc - 1; cp >= start; cp--)
- if (*cp != '\\')
+ if (*cp != r->escape)
break;
if ((stesc - cp) % 2 == 0) {
- stesc = (char *)cp;
+ while (stesc > cp)
+ *stesc-- = '\\';
continue;
+ } else if (stesc[1] != '\0') {
+ *stesc = '\\';
+ } else {
+ *stesc-- = '\0';
+ if (done)
+ continue;
+ else
+ return ROFF_APPEND;
}
/* Decide whether to expand or to check only. */
res = NULL;
break;
case 'B':
- /* FALLTHROUGH */
case 'w':
term = cp[1];
/* FALLTHROUGH */
esc = mandoc_escape(&cp, &stnam, &inaml);
if (esc == ESCAPE_ERROR ||
(esc == ESCAPE_SPECIAL &&
- mchars_spec2cp(r->mchars, stnam, inaml) < 0))
+ mchars_spec2cp(stnam, inaml) < 0))
mandoc_vmsg(MANDOCERR_ESC_BAD,
r->parse, ln, (int)(stesc - buf->buf),
"%.*s", (int)(cp - stesc), stesc);
+ stesc--;
continue;
}
if (EXPAND_LIMIT < ++expand_count) {
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse,
ln, (int)(stesc - buf->buf), NULL);
- return(ROFF_IGN);
+ return ROFF_IGN;
}
/*
}
switch (mandoc_escape(&cp, NULL, NULL)) {
case ESCAPE_SPECIAL:
- /* FALLTHROUGH */
case ESCAPE_UNICODE:
- /* FALLTHROUGH */
case ESCAPE_NUMBERED:
- /* FALLTHROUGH */
case ESCAPE_OVERSTRIKE:
naml++;
break;
case 'B':
npos = 0;
ubuf[0] = arg_complete &&
- roff_evalnum(r, ln, stnam, &npos, NULL, 0) &&
+ roff_evalnum(r, ln, stnam, &npos,
+ NULL, ROFFNUM_SCALE) &&
stnam + npos + 1 == cp ? '1' : '0';
ubuf[1] = '\0';
break;
} else if (buf->sz + strlen(res) > SHRT_MAX) {
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse,
ln, (int)(stesc - buf->buf), NULL);
- return(ROFF_IGN);
+ return ROFF_IGN;
}
/* Replace the escape sequence by the string. */
free(buf->buf);
buf->buf = nbuf;
}
- return(ROFF_CONT);
+ return ROFF_CONT;
}
/*
- * Process text streams:
- * Convert all breakable hyphens into ASCII_HYPH.
- * Decrement and spring input line trap.
+ * Process text streams.
*/
static enum rofferr
-roff_parsetext(struct buf *buf, int pos, int *offs)
+roff_parsetext(struct roff *r, struct buf *buf, int pos, int *offs)
{
size_t sz;
const char *start;
int isz;
enum mandoc_esc esc;
+ /* Spring the input line trap. */
+
+ 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;
+
+ if (roffce_node != NULL && buf->buf[pos] != '\0') {
+ if (roffce_lines < 1) {
+ r->man->last = roffce_node;
+ r->man->next = ROFF_NEXT_SIBLING;
+ roffce_lines = 0;
+ roffce_node = NULL;
+ } else
+ roffce_lines--;
+ }
+
+ /* Convert all breakable hyphens into ASCII_HYPH. */
+
start = p = buf->buf + pos;
while (*p != '\0') {
esc = mandoc_escape((const char **)&p, NULL, NULL);
if (esc == ESCAPE_ERROR)
break;
+ while (*p == '-')
+ p++;
continue;
} else if (p == start) {
p++;
*p = ASCII_HYPH;
p++;
}
-
- /* Spring the input line trap. */
- 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;
- return(ROFF_CONT);
+ return ROFF_CONT;
}
enum rofferr
roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs)
{
- enum rofft t;
+ enum roff_tok t;
enum rofferr e;
int pos; /* parse point */
int spos; /* saved parse point for messages */
(r->eqn == NULL || r->eqn_inline)) {
e = roff_eqndelim(r, buf, pos);
if (e == ROFF_REPARSE)
- return(e);
+ return e;
assert(e == ROFF_CONT);
}
/* Expand some escape sequences. */
e = roff_res(r, buf, ln, pos);
- if (e == ROFF_IGN)
- return(e);
+ if (e == ROFF_IGN || e == ROFF_APPEND)
+ return e;
assert(e == ROFF_CONT);
ctl = roff_getcontrol(r, buf->buf, &pos);
if (r->last != NULL && ! ctl) {
t = r->last->tok;
- assert(roffs[t].text);
e = (*roffs[t].text)(r, t, buf, ln, pos, pos, offs);
- assert(e == ROFF_IGN || e == ROFF_CONT);
- if (e != ROFF_CONT)
- return(e);
+ if (e == ROFF_IGN)
+ return e;
+ assert(e == ROFF_CONT);
}
if (r->eqn != NULL)
- return(eqn_read(&r->eqn, ln, buf->buf, ppos, offs));
+ return eqn_read(&r->eqn, ln, buf->buf, ppos, offs);
if (r->tbl != NULL && ( ! ctl || buf->buf[pos] == '\0'))
- return(tbl_read(r->tbl, ln, buf->buf, pos));
+ return tbl_read(r->tbl, ln, buf->buf, ppos);
if ( ! ctl)
- return(roff_parsetext(buf, pos, offs));
+ return roff_parsetext(r, buf, pos, offs);
/* Skip empty request lines. */
if (buf->buf[pos] == '"') {
mandoc_msg(MANDOCERR_COMMENT_BAD, r->parse,
ln, pos, NULL);
- return(ROFF_IGN);
+ return ROFF_IGN;
} else if (buf->buf[pos] == '\0')
- return(ROFF_IGN);
+ return ROFF_IGN;
/*
* If a scope is open, go to the child handler for that macro,
if (r->last) {
t = r->last->tok;
- assert(roffs[t].sub);
- return((*roffs[t].sub)(r, t, buf, ln, ppos, pos, offs));
+ return (*roffs[t].sub)(r, t, buf, ln, ppos, pos, offs);
}
/* No scope is open. This is a new request or macro. */
/* Tables ignore most macros. */
- if (r->tbl != NULL && (t == ROFF_MAX || t == ROFF_TS)) {
+ if (r->tbl != NULL && (t == TOKEN_NONE || t == ROFF_TS)) {
mandoc_msg(MANDOCERR_TBLMACRO, r->parse,
ln, pos, buf->buf + spos);
if (t == ROFF_TS)
- return(ROFF_IGN);
+ return ROFF_IGN;
while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ')
pos++;
- while (buf->buf[pos] != '\0' && buf->buf[pos] == ' ')
+ while (buf->buf[pos] == ' ')
pos++;
- return(tbl_read(r->tbl, ln, buf->buf, pos));
+ return tbl_read(r->tbl, ln, buf->buf, pos);
+ }
+
+ /* For now, let high level macros abort .ce mode. */
+
+ if (ctl && roffce_node != NULL &&
+ (t == TOKEN_NONE || t == ROFF_EQ || t == ROFF_TS)) {
+ r->man->last = roffce_node;
+ r->man->next = ROFF_NEXT_SIBLING;
+ roffce_lines = 0;
+ roffce_node = NULL;
}
/*
* Let the standard macro set parsers handle it.
*/
- if (t == ROFF_MAX)
- return(ROFF_CONT);
+ if (t == TOKEN_NONE)
+ 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));
+ return (*roffs[t].proc)(r, t, buf, ln, spos, pos, offs);
}
void
if (r->last)
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse,
r->last->line, r->last->col,
- roffs[r->last->tok].name);
+ roff_name[r->last->tok]);
if (r->eqn) {
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse,
* Parse a roff node's type from the input buffer. This must be in the
* form of ".foo xxx" in the usual way.
*/
-static enum rofft
+static enum roff_tok
roff_parse(struct roff *r, char *buf, int *pos, int ln, int ppos)
{
char *cp;
const char *mac;
size_t maclen;
- enum rofft t;
+ enum roff_tok t;
cp = buf + *pos;
if ('\0' == *cp || '"' == *cp || '\t' == *cp || ' ' == *cp)
- return(ROFF_MAX);
+ return TOKEN_NONE;
mac = cp;
maclen = roff_getname(r, &cp, ln, ppos);
- t = (r->current_string = roff_getstrn(r, mac, maclen))
- ? ROFF_USERDEF : roffhash_find(mac, maclen);
+ t = (r->current_string = roff_getstrn(r, mac, maclen)) ?
+ ROFF_USERDEF :
+ (r->current_string = roff_getrenn(r, mac, maclen)) ?
+ ROFF_RENAMED : roffhash_find(r->reqtab, mac, maclen);
- if (ROFF_MAX != t)
+ if (t != TOKEN_NONE)
*pos = cp - buf;
- return(t);
+ return t;
}
+/* --- handling of request blocks ----------------------------------------- */
+
static enum rofferr
roff_cblock(ROFF_ARGS)
{
if (r->last == NULL) {
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse,
ln, ppos, "..");
- return(ROFF_IGN);
+ return ROFF_IGN;
}
switch (r->last->tok) {
case ROFF_am:
/* ROFF_am1 is remapped to ROFF_am in roff_block(). */
- /* FALLTHROUGH */
case ROFF_ami:
- /* FALLTHROUGH */
case ROFF_de:
/* ROFF_de1 is remapped to ROFF_de in roff_block(). */
- /* FALLTHROUGH */
case ROFF_dei:
- /* FALLTHROUGH */
case ROFF_ig:
break;
default:
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse,
ln, ppos, "..");
- return(ROFF_IGN);
+ return ROFF_IGN;
}
if (buf->buf[pos] != '\0')
roffnode_pop(r);
roffnode_cleanscope(r);
- return(ROFF_IGN);
+ return ROFF_IGN;
}
switch (r->last->tok) {
case ROFF_el:
- /* FALLTHROUGH */
case ROFF_ie:
- /* FALLTHROUGH */
case ROFF_if:
break;
default:
if (namesz == 0 && tok != ROFF_ig) {
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse,
- ln, ppos, roffs[tok].name);
- return(ROFF_IGN);
+ ln, ppos, roff_name[tok]);
+ return ROFF_IGN;
}
roffnode_push(r, tok, name, ln, ppos);
roff_setstrn(&r->strtab, name, namesz, "", 0, 0);
if (*cp == '\0')
- return(ROFF_IGN);
+ return ROFF_IGN;
/* Get the custom end marker. */
if (*cp != '\0')
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse,
- ln, pos, ".%s ... %s", roffs[tok].name, cp);
+ ln, pos, ".%s ... %s", roff_name[tok], cp);
- return(ROFF_IGN);
+ return ROFF_IGN;
}
static enum rofferr
roff_block_sub(ROFF_ARGS)
{
- enum rofft t;
+ enum roff_tok t;
int i, j;
/*
pos = i;
if (roff_parse(r, buf->buf, &pos, ln, ppos) !=
- ROFF_MAX)
- return(ROFF_RERUN);
- return(ROFF_IGN);
+ TOKEN_NONE)
+ return ROFF_RERUN;
+ return ROFF_IGN;
}
}
if (t != ROFF_cblock) {
if (tok != ROFF_ig)
roff_setstr(r, r->last->name, buf->buf + ppos, 2);
- return(ROFF_IGN);
+ return ROFF_IGN;
}
- assert(roffs[t].proc);
- return((*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs));
+ return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs);
}
static enum rofferr
if (tok != ROFF_ig)
roff_setstr(r, r->last->name, buf->buf + pos, 2);
- return(ROFF_IGN);
+ return ROFF_IGN;
}
static enum rofferr
roff_cond_sub(ROFF_ARGS)
{
- enum rofft t;
+ enum roff_tok t;
char *ep;
int rr;
* required or when the conditional evaluated to true.
*/
- if ((t != ROFF_MAX) &&
- (rr || roffs[t].flags & ROFFMAC_STRUCT)) {
- assert(roffs[t].proc);
- return((*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs));
- }
+ if (t != TOKEN_NONE && (rr || roffs[t].flags & ROFFMAC_STRUCT))
+ return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs);
/*
* If `\}' occurs on a macro line without a preceding macro,
if (*ep != '\0')
++ep;
}
- return(rr ? ROFF_CONT : ROFF_IGN);
+ return rr ? ROFF_CONT : ROFF_IGN;
}
static enum rofferr
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.
* If there is at least one digit, return success and advance the
* Ignore overflows, treat them just like the C language.
*/
static int
-roff_getnum(const char *v, int *pos, int *res)
+roff_getnum(const char *v, int *pos, int *res, int flags)
{
- int myres, n, p;
+ int myres, scaled, n, p;
if (NULL == res)
res = &myres;
p = *pos;
n = v[p] == '-';
- if (n)
+ if (n || v[p] == '+')
p++;
+ if (flags & ROFFNUM_WHITE)
+ while (isspace((unsigned char)v[p]))
+ p++;
+
for (*res = 0; isdigit((unsigned char)v[p]); p++)
*res = 10 * *res + v[p] - '0';
if (p == *pos + n)
switch (v[p]) {
case 'f':
- *res *= 65536;
+ scaled = *res * 65536;
break;
case 'i':
- *res *= 240;
+ scaled = *res * 240;
break;
case 'c':
- *res *= 240;
- *res /= 2.54;
+ scaled = *res * 240 / 2.54;
break;
case 'v':
- /* FALLTROUGH */
case 'P':
- *res *= 40;
+ scaled = *res * 40;
break;
case 'm':
- /* FALLTROUGH */
case 'n':
- *res *= 24;
+ scaled = *res * 24;
break;
case 'p':
- *res *= 10;
- *res /= 3;
+ scaled = *res * 10 / 3;
break;
case 'u':
+ scaled = *res;
break;
case 'M':
- *res *= 6;
- *res /= 25;
+ scaled = *res * 6 / 25;
break;
default:
+ scaled = *res;
p--;
break;
}
+ if (flags & ROFFNUM_SCALE)
+ *res = scaled;
*pos = p + 1;
- return(1);
+ return 1;
}
/*
else if (*s3 != '\0')
s3++;
*pos = s3 - v;
- return(match);
+ return match;
}
/*
* or string condition.
*/
static int
-roff_evalcond(struct roff *r, int ln, const char *v, int *pos)
+roff_evalcond(struct roff *r, int ln, char *v, int *pos)
{
+ char *cp, *name;
+ size_t sz;
int number, savepos, wanttrue;
if ('!' == v[*pos]) {
switch (v[*pos]) {
case '\0':
- return(0);
+ return 0;
case 'n':
- /* FALLTHROUGH */
case 'o':
(*pos)++;
- return(wanttrue);
+ return wanttrue;
case 'c':
- /* FALLTHROUGH */
case 'd':
- /* FALLTHROUGH */
case 'e':
- /* FALLTHROUGH */
- case 'r':
- /* FALLTHROUGH */
case 't':
- /* FALLTHROUGH */
case 'v':
(*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:
break;
}
savepos = *pos;
- if (roff_evalnum(r, ln, v, pos, &number, 0))
- 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);
+ return roff_evalstrcond(v, pos) == wanttrue;
else
- return (0);
+ return 0;
}
static enum rofferr
roff_line_ignore(ROFF_ARGS)
{
- return(ROFF_IGN);
+ return ROFF_IGN;
}
static enum rofferr
{
mandoc_msg(MANDOCERR_REQ_INSEC, r->parse,
- ln, ppos, roffs[tok].name);
- return(ROFF_IGN);
+ ln, ppos, roff_name[tok]);
+ return ROFF_IGN;
}
static enum rofferr
{
mandoc_msg(MANDOCERR_REQ_UNSUPP, r->parse,
- ln, ppos, roffs[tok].name);
- return(ROFF_IGN);
+ ln, ppos, roff_name[tok]);
+ return ROFF_IGN;
}
static enum rofferr
if (buf->buf[pos] == '\\' && buf->buf[pos + 1] == '{') {
r->last->endspan = -1;
pos += 2;
+ while (buf->buf[pos] == ' ')
+ pos++;
goto out;
}
if (buf->buf[pos] == '\0')
mandoc_msg(MANDOCERR_COND_EMPTY, r->parse,
- ln, ppos, roffs[tok].name);
+ ln, ppos, roff_name[tok]);
r->last->endspan = 1;
out:
*offs = pos;
- return(ROFF_RERUN);
+ return ROFF_RERUN;
}
static enum rofferr
name = string = buf->buf + pos;
if (*name == '\0')
- return(ROFF_IGN);
+ return ROFF_IGN;
namesz = roff_getname(r, &string, ln, pos);
if (name[namesz] == '\\')
- return(ROFF_IGN);
+ return ROFF_IGN;
/* Read past the initial double-quote, if any. */
if (*string == '"')
/* The rest is the value. */
roff_setstrn(&r->strtab, name, namesz, string, strlen(string),
ROFF_as == tok);
- return(ROFF_IGN);
+ return ROFF_IGN;
}
/*
switch (*res) {
case '+':
- /* FALLTHROUGH */
case '-':
- /* FALLTHROUGH */
case '*':
- /* FALLTHROUGH */
case '/':
- /* FALLTHROUGH */
case '%':
- /* FALLTHROUGH */
case '&':
- /* FALLTHROUGH */
case ':':
break;
case '<':
(*pos)++;
break;
default:
- return(0);
+ return 0;
}
(*pos)++;
- return(*res);
+ return *res;
}
/*
*/
static int
roff_evalpar(struct roff *r, int ln,
- const char *v, int *pos, int *res)
+ const char *v, int *pos, int *res, int flags)
{
if ('(' != v[*pos])
- return(roff_getnum(v, pos, res));
+ return roff_getnum(v, pos, res, flags);
(*pos)++;
- if ( ! roff_evalnum(r, ln, v, pos, res, 1))
- return(0);
+ if ( ! roff_evalnum(r, ln, v, pos, res, flags | ROFFNUM_WHITE))
+ return 0;
/*
* Omission of the closing parenthesis
if (')' == v[*pos])
(*pos)++;
else if (NULL == res)
- return(0);
+ return 0;
- return(1);
+ return 1;
}
/*
*/
static int
roff_evalnum(struct roff *r, int ln, const char *v,
- int *pos, int *res, int skipwhite)
+ int *pos, int *res, int flags)
{
int mypos, operand2;
char operator;
pos = &mypos;
}
- if (skipwhite)
+ if (flags & ROFFNUM_WHITE)
while (isspace((unsigned char)v[*pos]))
(*pos)++;
- if ( ! roff_evalpar(r, ln, v, pos, res))
- return(0);
+ if ( ! roff_evalpar(r, ln, v, pos, res, flags))
+ return 0;
while (1) {
- if (skipwhite)
+ if (flags & ROFFNUM_WHITE)
while (isspace((unsigned char)v[*pos]))
(*pos)++;
if ( ! roff_getop(v, pos, &operator))
break;
- if (skipwhite)
+ if (flags & ROFFNUM_WHITE)
while (isspace((unsigned char)v[*pos]))
(*pos)++;
- if ( ! roff_evalpar(r, ln, v, pos, &operand2))
- return(0);
+ if ( ! roff_evalpar(r, ln, v, pos, &operand2, flags))
+ return 0;
- if (skipwhite)
+ if (flags & ROFFNUM_WHITE)
while (isspace((unsigned char)v[*pos]))
(*pos)++;
abort();
}
}
- return(1);
+ return 1;
}
+/* --- register management ------------------------------------------------ */
+
void
roff_setreg(struct roff *r, const char *name, int val, char sign)
{
* were to turn up, another special value would have to be chosen.
*/
static int
-roff_getregro(const char *name)
+roff_getregro(const struct roff *r, const char *name)
{
switch (*name) {
+ case '$': /* Number of arguments of the last macro evaluated. */
+ return r->argc;
case 'A': /* ASCII approximation mode is always off. */
- return(0);
+ return 0;
case 'g': /* Groff compatibility mode is always on. */
- return(1);
+ return 1;
case 'H': /* Fixed horizontal resolution. */
- return (24);
+ return 24;
case 'j': /* Always adjust left margin only. */
- return(0);
+ return 0;
case 'T': /* Some output device is always defined. */
- return(1);
+ return 1;
case 'V': /* Fixed vertical resolution. */
- return (40);
+ return 40;
default:
- return (-1);
+ return -1;
}
}
int val;
if ('.' == name[0] && '\0' != name[1] && '\0' == name[2]) {
- val = roff_getregro(name + 1);
+ val = roff_getregro(r, name + 1);
if (-1 != val)
- return (val);
+ return val;
}
for (reg = r->regtab; reg; reg = reg->next)
if (0 == strcmp(name, reg->key.p))
- return(reg->val);
+ return reg->val;
- return(0);
+ return 0;
}
static int
int val;
if ('.' == name[0] && 2 == len) {
- val = roff_getregro(name + 1);
+ val = roff_getregro(r, name + 1);
+ if (-1 != val)
+ return val;
+ }
+
+ for (reg = r->regtab; reg; reg = reg->next)
+ if (len == reg->key.sz &&
+ 0 == strncmp(name, reg->key.p, len))
+ return reg->val;
+
+ 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 (val);
+ return 1;
}
for (reg = r->regtab; reg; reg = reg->next)
if (len == reg->key.sz &&
0 == strncmp(name, reg->key.p, len))
- return(reg->val);
+ return 1;
- return(0);
+ return 0;
}
static void
key = val = buf->buf + pos;
if (*key == '\0')
- return(ROFF_IGN);
+ return ROFF_IGN;
keysz = roff_getname(r, &val, ln, pos);
if (key[keysz] == '\\')
- return(ROFF_IGN);
+ return ROFF_IGN;
key[keysz] = '\0';
sign = *val;
if (sign == '+' || sign == '-')
val++;
- if (roff_evalnum(r, ln, val, NULL, &iv, 0))
+ if (roff_evalnum(r, ln, val, NULL, &iv, ROFFNUM_SCALE))
roff_setreg(r, key, iv, sign);
- return(ROFF_IGN);
+ return ROFF_IGN;
}
static enum rofferr
name = cp = buf->buf + pos;
if (*name == '\0')
- return(ROFF_IGN);
+ return ROFF_IGN;
namesz = roff_getname(r, &cp, ln, pos);
name[namesz] = '\0';
free(reg->key.p);
free(reg);
}
- return(ROFF_IGN);
+ return ROFF_IGN;
}
+/* --- handler functions for roff requests -------------------------------- */
+
static enum rofferr
roff_rm(ROFF_ARGS)
{
if (name[namesz] == '\\')
break;
}
- return(ROFF_IGN);
+ return ROFF_IGN;
}
static enum rofferr
roff_it(ROFF_ARGS)
{
- char *cp;
- size_t len;
int iv;
/* Parse the number of lines. */
- cp = buf->buf + pos;
- len = strcspn(cp, " \t");
- cp[len] = '\0';
- if ((iv = mandoc_strntoi(cp, len, 10)) <= 0) {
+
+ if ( ! roff_evalnum(r, ln, buf->buf, &pos, &iv, 0)) {
mandoc_msg(MANDOCERR_IT_NONUM, r->parse,
ln, ppos, buf->buf + 1);
- return(ROFF_IGN);
+ 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_macro = mandoc_strdup(cp);
- return(ROFF_IGN);
+ roffit_macro = mandoc_strdup(iv != 1 ||
+ strcmp(buf->buf + pos, "an-trap") ?
+ buf->buf + pos : "br");
+ return ROFF_IGN;
}
static enum rofferr
if (r->format == 0)
r->format = MPARSE_MDOC;
- return(ROFF_CONT);
+ return ROFF_CONT;
}
static enum rofferr
if (r->format == 0)
r->format = MPARSE_MAN;
- return(ROFF_CONT);
+ return ROFF_CONT;
}
static enum rofferr
free(buf->buf);
buf->buf = mandoc_strdup(".sp");
buf->sz = 4;
- return(ROFF_REPARSE);
+ return ROFF_REPARSE;
}
- return(ROFF_IGN);
+ return ROFF_IGN;
}
static enum rofferr
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse,
ln, ppos, "T&");
else
- tbl_restart(ppos, ln, r->tbl);
+ tbl_restart(ln, ppos, r->tbl);
- return(ROFF_IGN);
+ return ROFF_IGN;
}
/*
cp2 = strchr(cp1, r->eqn == NULL ?
r->last_eqn->odelim : r->last_eqn->cdelim);
if (cp2 == NULL)
- return(ROFF_CONT);
+ return ROFF_CONT;
*cp2++ = '\0';
bef_pr = bef_nl = aft_nl = aft_pr = "";
/* Toggle the in-line state of the eqn subsystem. */
r->eqn_inline = r->eqn == NULL;
- return(ROFF_REPARSE);
+ return ROFF_REPARSE;
}
static enum rofferr
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos,
".EQ %s", buf->buf + pos);
- return(ROFF_IGN);
+ return ROFF_IGN;
}
static enum rofferr
{
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN");
- return(ROFF_IGN);
+ return ROFF_IGN;
}
static enum rofferr
r->first_tbl = r->last_tbl = tbl;
r->tbl = r->last_tbl = tbl;
- return(ROFF_IGN);
+ return ROFF_IGN;
}
static enum rofferr
-roff_brp(ROFF_ARGS)
+roff_onearg(ROFF_ARGS)
{
+ struct roff_node *n;
+ char *cp;
+ int npos;
+
+ if (r->man->flags & (MAN_BLINE | MAN_ELINE) &&
+ (tok == ROFF_sp || tok == ROFF_ti))
+ man_breakscope(r->man, tok);
+
+ if (tok == ROFF_ce && roffce_node != NULL) {
+ r->man->last = roffce_node;
+ r->man->next = ROFF_NEXT_SIBLING;
+ }
+
+ roff_elem_alloc(r->man, ln, ppos, tok);
+ n = r->man->last;
- buf->buf[pos - 1] = '\0';
- return(ROFF_CONT);
+ cp = buf->buf + pos;
+ if (*cp != '\0') {
+ while (*cp != '\0' && *cp != ' ')
+ cp++;
+ while (*cp == ' ')
+ *cp++ = '\0';
+ if (*cp != '\0')
+ mandoc_vmsg(MANDOCERR_ARG_EXCESS,
+ r->parse, ln, cp - buf->buf,
+ "%s ... %s", roff_name[tok], cp);
+ roff_word_alloc(r->man, ln, pos, buf->buf + pos);
+ }
+
+ if (tok == ROFF_ce) {
+ if (r->man->last->tok == ROFF_ce) {
+ roff_word_alloc(r->man, ln, pos, "1");
+ r->man->last->flags |= NODE_NOSRC;
+ }
+ npos = 0;
+ if (roff_evalnum(r, ln, r->man->last->string, &npos,
+ &roffce_lines, 0) == 0) {
+ mandoc_vmsg(MANDOCERR_CE_NONUM,
+ r->parse, ln, pos, "ce %s", buf->buf + pos);
+ roffce_lines = 1;
+ }
+ if (roffce_lines < 1) {
+ r->man->last = r->man->last->parent;
+ roffce_node = NULL;
+ roffce_lines = 0;
+ } else
+ roffce_node = r->man->last->parent;
+ } else {
+ n->flags |= NODE_VALID | NODE_ENDED;
+ r->man->last = n;
+ }
+ n->flags |= NODE_LINE;
+ r->man->next = ROFF_NEXT_SIBLING;
+ return ROFF_IGN;
+}
+
+static enum rofferr
+roff_manyarg(ROFF_ARGS)
+{
+ struct roff_node *n;
+ char *sp, *ep;
+
+ roff_elem_alloc(r->man, ln, ppos, tok);
+ n = r->man->last;
+
+ for (sp = ep = buf->buf + pos; *sp != '\0'; sp = ep) {
+ while (*ep != '\0' && *ep != ' ')
+ ep++;
+ while (*ep == ' ')
+ *ep++ = '\0';
+ roff_word_alloc(r->man, ln, sp - buf->buf, sp);
+ }
+
+ n->flags |= NODE_LINE | NODE_VALID | NODE_ENDED;
+ r->man->last = n;
+ r->man->next = ROFF_NEXT_SIBLING;
+ return ROFF_IGN;
+}
+
+static enum rofferr
+roff_br(ROFF_ARGS)
+{
+ if (r->man->flags & (MAN_BLINE | MAN_ELINE))
+ man_breakscope(r->man, ROFF_br);
+ roff_elem_alloc(r->man, ln, ppos, ROFF_br);
+ if (buf->buf[pos] != '\0')
+ mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos,
+ "%s %s", roff_name[tok], buf->buf + pos);
+ r->man->last->flags |= NODE_LINE | NODE_VALID | NODE_ENDED;
+ r->man->next = ROFF_NEXT_SIBLING;
+ return ROFF_IGN;
}
static enum rofferr
p = buf->buf + pos;
if (*p == '\0' || (r->control = *p++) == '.')
- r->control = 0;
+ 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;
+}
- return(ROFF_IGN);
+static enum rofferr
+roff_ec(ROFF_ARGS)
+{
+ const char *p;
+
+ p = buf->buf + pos;
+ if (*p == '\0')
+ r->escape = '\\';
+ else {
+ r->escape = *p;
+ if (*++p != '\0')
+ mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse,
+ ln, p - buf->buf, "ec ... %s", p);
+ }
+ return ROFF_IGN;
+}
+
+static enum rofferr
+roff_eo(ROFF_ARGS)
+{
+ r->escape = '\0';
+ if (buf->buf[pos] != '\0')
+ mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse,
+ ln, pos, "eo %s", buf->buf + pos);
+ return ROFF_IGN;
}
static enum rofferr
p = buf->buf + pos;
if (*p == '\0') {
- mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, ln, ppos, NULL);
- return(ROFF_IGN);
+ mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, ln, ppos, "tr");
+ return ROFF_IGN;
}
while (*p != '\0') {
if (esc == ESCAPE_ERROR) {
mandoc_msg(MANDOCERR_ESC_BAD, r->parse,
ln, (int)(p - buf->buf), first);
- return(ROFF_IGN);
+ return ROFF_IGN;
}
fsz = (size_t)(p - first);
}
if (esc == ESCAPE_ERROR) {
mandoc_msg(MANDOCERR_ESC_BAD, r->parse,
ln, (int)(p - buf->buf), second);
- return(ROFF_IGN);
+ 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--;
}
r->xtab[(int)*first].sz = ssz;
}
- return(ROFF_IGN);
+ return ROFF_IGN;
+}
+
+static enum rofferr
+roff_rn(ROFF_ARGS)
+{
+ const char *value;
+ char *oldn, *newn, *end;
+ size_t oldsz, newsz;
+
+ oldn = newn = buf->buf + pos;
+ if (*oldn == '\0')
+ return ROFF_IGN;
+
+ oldsz = roff_getname(r, &newn, ln, pos);
+ if (oldn[oldsz] == '\\' || *newn == '\0')
+ return ROFF_IGN;
+
+ end = newn;
+ newsz = roff_getname(r, &end, ln, newn - buf->buf);
+ if (newsz == 0)
+ return ROFF_IGN;
+
+ /*
+ * Rename a user-defined macro bearing the old name,
+ * overriding an existing renamed high-level macro
+ * bearing the new name, if that exists.
+ */
+
+ if ((value = roff_getstrn(r, oldn, oldsz)) != NULL) {
+ roff_setstrn(&r->strtab, newn, newsz, value, strlen(value), 0);
+ roff_setstrn(&r->strtab, oldn, oldsz, NULL, 0, 0);
+ roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0);
+ return ROFF_IGN;
+ }
+
+ /*
+ * Rename a high-level macro bearing the old name,
+ * either renaming it a second time if it was already
+ * renamed before, or renaming it for the first time.
+ * In both cases, override an existing user-defined
+ * macro bearing the new name, if that exists.
+ */
+
+ if ((value = roff_getrenn(r, oldn, oldsz)) != NULL) {
+ roff_setstrn(&r->rentab, newn, newsz, value, strlen(value), 0);
+ roff_setstrn(&r->rentab, oldn, oldsz, NULL, 0, 0);
+ } else
+ roff_setstrn(&r->rentab, newn, newsz, oldn, oldsz, 0);
+ roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0);
+ return ROFF_IGN;
}
static enum rofferr
free(buf->buf);
buf->buf = cp;
*offs = 0;
- return(ROFF_REPARSE);
+ return ROFF_REPARSE;
}
*offs = pos;
- return(ROFF_SO);
+ return ROFF_SO;
}
+/* --- user defined strings and macros ------------------------------------ */
+
static enum rofferr
roff_userdef(ROFF_ARGS)
{
- const char *arg[9];
+ const char *arg[9], *ap;
char *cp, *n1, *n2;
- int i;
+ int expand_count, i, ib, ie;
+ size_t asz, rsz;
/*
* Collect pointers to macro argument strings
* and NUL-terminate them.
*/
+
+ r->argc = 0;
cp = buf->buf + pos;
- for (i = 0; i < 9; i++)
- arg[i] = *cp == '\0' ? "" :
- mandoc_getarg(r->parse, &cp, ln, &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.
*/
- buf->sz = 0;
- n1 = cp = mandoc_strdup(r->current_string);
- while ((cp = strstr(cp, "\\$")) != NULL) {
- i = cp[2] - '1';
- if (0 > i || 8 < i) {
- /* Not an argument invocation. */
- cp += 2;
+
+ buf->sz = strlen(r->current_string) + 1;
+ n1 = n2 = cp = mandoc_malloc(buf->sz);
+ memcpy(n1, r->current_string, buf->sz);
+ expand_count = 0;
+ while (*cp != '\0') {
+
+ /* Scan ahead for the next argument invocation. */
+
+ if (*cp++ != '\\')
+ 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;
+
+ /*
+ * Prevent infinite recursion.
+ */
+
+ if (cp >= n2)
+ expand_count = 1;
+ else if (++expand_count > EXPAND_LIMIT) {
+ mandoc_msg(MANDOCERR_ROFFLOOP, r->parse,
+ ln, (int)(cp - n1), NULL);
+ free(buf->buf);
+ buf->buf = n1;
+ return ROFF_IGN;
+ }
+
+ /*
+ * Determine the size of the expanded argument,
+ * 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++ = ' ';
}
- *cp = '\0';
- buf->sz = mandoc_asprintf(&n2, "%s%s%s",
- n1, arg[i], cp + 3) + 1;
- cp = n2 + (cp - n1);
- free(n1);
- n1 = n2;
}
/*
* Replace the macro invocation
* by the expanded macro.
*/
+
free(buf->buf);
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);
+ return buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ?
+ ROFF_REPARSE : ROFF_APPEND;
+}
+
+/*
+ * Calling a high-level macro that was renamed with .rn.
+ * r->current_string has already been set up by roff_parse().
+ */
+static enum rofferr
+roff_renamed(ROFF_ARGS)
+{
+ char *nbuf;
+
+ buf->sz = mandoc_asprintf(&nbuf, ".%s %s", r->current_string,
+ buf->buf + pos) + 1;
+ free(buf->buf);
+ buf->buf = nbuf;
+ return ROFF_CONT;
}
static size_t
name = *cpp;
if ('\0' == *name)
- return(0);
+ return 0;
/* Read until end of name and terminate it with NUL. */
for (cp = name; 1; cp++) {
cp++;
*cpp = cp;
- return(namesz);
+ return namesz;
}
/*
for (n = r->strtab; n; n = n->next)
if (0 == strncmp(name, n->key.p, len) &&
'\0' == n->key.p[(int)len])
- return(n->val.p);
+ return n->val.p;
for (i = 0; i < PREDEFS_MAX; i++)
if (0 == strncmp(name, predefs[i].name, len) &&
'\0' == predefs[i].name[(int)len])
- return(predefs[i].str);
+ return predefs[i].str;
+
+ return NULL;
+}
- return(NULL);
+/*
+ * Check whether *name is the renamed name of a high-level macro.
+ * Return the standard name, or NULL if it is not.
+ */
+static const char *
+roff_getrenn(const struct roff *r, const char *name, size_t len)
+{
+ const struct roffkv *n;
+
+ for (n = r->rentab; n; n = n->next)
+ if (0 == strncmp(name, n->key.p, len) &&
+ '\0' == n->key.p[(int)len])
+ return n->val.p;
+
+ return NULL;
}
static void
}
}
+/* --- accessors and utility functions ------------------------------------ */
+
const struct tbl_span *
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 *
roff_eqn(const struct roff *r)
{
- return(r->last_eqn ? &r->last_eqn->eqn : NULL);
+ return r->last_eqn ? &r->last_eqn->eqn : NULL;
}
/*
enum mandoc_esc esc;
if (NULL == r->xmbtab && NULL == r->xtab)
- return(mandoc_strdup(p));
+ return mandoc_strdup(p);
else if ('\0' == *p)
- return(mandoc_strdup(""));
+ return mandoc_strdup("");
/*
* Step through each character looking for term matches
ssz = 0;
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;
res = mandoc_realloc(res, ssz + sz + 1);
memcpy(res + ssz, r->xtab[(int)*p].p, sz);
}
res[(int)ssz] = '\0';
- return(res);
+ return res;
}
int
roff_getformat(const struct roff *r)
{
- return(r->format);
+ return r->format;
}
/*
pos = *ppos;
- if (0 != r->control && cp[pos] == r->control)
+ if (r->control != '\0' && cp[pos] == r->control)
pos++;
- else if (0 != r->control)
- return(0);
+ else if (r->control != '\0')
+ return 0;
else if ('\\' == cp[pos] && '.' == cp[pos + 1])
pos += 2;
else if ('.' == cp[pos] || '\'' == cp[pos])
pos++;
else
- return(0);
+ return 0;
while (' ' == cp[pos] || '\t' == cp[pos])
pos++;
*ppos = pos;
- return(1);
+ return 1;
}
git.ckatri.com / mandoc.git / blobdiff