=================================================================== RCS file: /cvs/mandoc/roff.c,v retrieving revision 1.274 retrieving revision 1.354 diff -u -p -r1.274 -r1.354 --- mandoc/roff.c 2015/08/29 21:37:20 1.274 +++ mandoc/roff.c 2018/12/20 03:41:54 1.354 @@ -1,7 +1,7 @@ -/* $Id: roff.c,v 1.274 2015/08/29 21:37:20 schwarze Exp $ */ +/* $Id: roff.c,v 1.354 2018/12/20 03:41:54 schwarze Exp $ */ /* * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons - * Copyright (c) 2010-2015 Ingo Schwarze + * Copyright (c) 2010-2015, 2017, 2018 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -22,272 +22,36 @@ #include #include #include +#include +#include #include #include #include -#include "mandoc.h" #include "mandoc_aux.h" +#include "mandoc_ohash.h" +#include "mandoc.h" #include "roff.h" +#include "mandoc_parse.h" #include "libmandoc.h" #include "roff_int.h" -#include "libroff.h" +#include "tbl_parse.h" +#include "eqn_parse.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 +/* Types of definitions of macros and strings. */ +#define ROFFDEF_USER (1 << 1) /* User-defined. */ +#define ROFFDEF_PRE (1 << 2) /* Predefined. */ +#define ROFFDEF_REN (1 << 3) /* Renamed standard macro. */ +#define ROFFDEF_STD (1 << 4) /* mdoc(7) or man(7) macro. */ +#define ROFFDEF_ANY (ROFFDEF_USER | ROFFDEF_PRE | \ + ROFFDEF_REN | ROFFDEF_STD) +#define ROFFDEF_UNDEF (1 << 5) /* Completely undefined. */ + /* --- data types --------------------------------------------------------- */ -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 -}; - /* * An incredibly-simple string buffer. */ @@ -311,36 +75,58 @@ struct roffkv { struct roffreg { struct roffstr key; int val; + int step; struct roffreg *next; }; +/* + * Association of request and macro names with token IDs. + */ +struct roffreq { + enum roff_tok tok; + char name[]; +}; + +/* + * A macro processing context. + * More than one is needed when macro calls are nested. + */ +struct mctx { + char **argv; + int argc; + int argsz; +}; + 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 */ + struct mctx *mstack; /* stack of macro contexts */ int *rstack; /* stack of inverted `ie' values */ + struct ohash *reqtab; /* request lookup table */ struct roffreg *regtab; /* number registers */ struct roffkv *strtab; /* user-defined strings & macros */ + struct roffkv *rentab; /* renamed strings & macros */ struct roffkv *xmbtab; /* multi-byte trans table (`tr') */ struct roffstr *xtab; /* single-byte trans table (`tr') */ const char *current_string; /* value of last called user macro */ struct tbl_node *first_tbl; /* first table parsed */ struct tbl_node *last_tbl; /* last table parsed */ struct tbl_node *tbl; /* current table being parsed */ - struct eqn_node *last_eqn; /* last equation parsed */ - struct eqn_node *first_eqn; /* first equation parsed */ - struct eqn_node *eqn; /* current equation being parsed */ + struct eqn_node *last_eqn; /* equation parser */ + struct eqn_node *eqn; /* active equation parser */ int eqn_inline; /* current equation is inline */ int options; /* parse options */ + int mstacksz; /* current size of mstack */ + int mstackpos; /* position in mstack */ 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 */ @@ -351,23 +137,21 @@ struct roffnode { }; #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 */ \ int pos, /* current pos in buffer */ \ int *offs /* reset offset of buffer data */ -typedef enum rofferr (*roffproc)(ROFF_ARGS); +typedef int (*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 { @@ -380,24 +164,27 @@ struct predef { /* --- function prototypes ------------------------------------------------ */ -static enum rofft roffhash_find(const char *, size_t); -static void roffhash_init(void); -static void roffnode_cleanscope(struct roff *); -static void roffnode_pop(struct roff *); -static void roffnode_push(struct roff *, enum rofft, +static int roffnode_cleanscope(struct roff *); +static int roffnode_pop(struct roff *); +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_cblock(ROFF_ARGS); -static enum rofferr roff_cc(ROFF_ARGS); -static void roff_ccond(struct roff *, int, int); -static enum rofferr roff_cond(ROFF_ARGS); -static enum rofferr roff_cond_text(ROFF_ARGS); -static enum rofferr roff_cond_sub(ROFF_ARGS); -static enum rofferr roff_ds(ROFF_ARGS); -static enum rofferr roff_eqndelim(struct roff *, struct buf *, int); +static void roff_addtbl(struct roff_man *, int, struct tbl_node *); +static int roff_als(ROFF_ARGS); +static int roff_block(ROFF_ARGS); +static int roff_block_text(ROFF_ARGS); +static int roff_block_sub(ROFF_ARGS); +static int roff_br(ROFF_ARGS); +static int roff_cblock(ROFF_ARGS); +static int roff_cc(ROFF_ARGS); +static int roff_ccond(struct roff *, int, int); +static int roff_char(ROFF_ARGS); +static int roff_cond(ROFF_ARGS); +static int roff_cond_text(ROFF_ARGS); +static int roff_cond_sub(ROFF_ARGS); +static int roff_ds(ROFF_ARGS); +static int roff_ec(ROFF_ARGS); +static int roff_eo(ROFF_ARGS); +static int roff_eqndelim(struct roff *, struct buf *, int); static int roff_evalcond(struct roff *r, int, char *, int *); static int roff_evalnum(struct roff *, int, const char *, int *, int *, int); @@ -410,392 +197,477 @@ static void roff_freestr(struct roffkv *); static size_t roff_getname(struct roff *, char **, int, int); static int roff_getnum(const char *, int *, int *, int); static int roff_getop(const char *, int *, char *); -static int roff_getregn(const struct roff *, - const char *, size_t); +static int roff_getregn(struct roff *, + const char *, size_t, char); static int roff_getregro(const struct roff *, const char *name); -static const char *roff_getstrn(const struct roff *, - const char *, size_t); +static const char *roff_getstrn(struct roff *, + const char *, size_t, int *); static int roff_hasregn(const struct roff *, const char *, size_t); -static enum rofferr roff_insec(ROFF_ARGS); -static enum rofferr roff_it(ROFF_ARGS); -static enum rofferr roff_line_ignore(ROFF_ARGS); +static int roff_insec(ROFF_ARGS); +static int roff_it(ROFF_ARGS); +static int roff_line_ignore(ROFF_ARGS); static void roff_man_alloc1(struct roff_man *); static void roff_man_free1(struct roff_man *); -static enum rofferr roff_nr(ROFF_ARGS); -static enum rofft roff_parse(struct roff *, char *, int *, +static int roff_manyarg(ROFF_ARGS); +static int roff_nop(ROFF_ARGS); +static int roff_nr(ROFF_ARGS); +static int 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_res(struct roff *, struct buf *, int, int); -static enum rofferr roff_rm(ROFF_ARGS); -static enum rofferr roff_rr(ROFF_ARGS); +static int roff_parsetext(struct roff *, struct buf *, + int, int *); +static int roff_renamed(ROFF_ARGS); +static int roff_res(struct roff *, struct buf *, int, int); +static int roff_return(ROFF_ARGS); +static int roff_rm(ROFF_ARGS); +static int roff_rn(ROFF_ARGS); +static int roff_rr(ROFF_ARGS); +static void roff_setregn(struct roff *, const char *, + size_t, int, char, int); static void roff_setstr(struct roff *, const char *, const char *, int); static void roff_setstrn(struct roffkv **, const char *, size_t, const char *, size_t, int); -static enum rofferr roff_so(ROFF_ARGS); -static enum rofferr roff_tr(ROFF_ARGS); -static enum rofferr roff_Dd(ROFF_ARGS); -static enum rofferr roff_TH(ROFF_ARGS); -static enum rofferr roff_TE(ROFF_ARGS); -static enum rofferr roff_TS(ROFF_ARGS); -static enum rofferr roff_EQ(ROFF_ARGS); -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); +static int roff_shift(ROFF_ARGS); +static int roff_so(ROFF_ARGS); +static int roff_tr(ROFF_ARGS); +static int roff_Dd(ROFF_ARGS); +static int roff_TE(ROFF_ARGS); +static int roff_TS(ROFF_ARGS); +static int roff_EQ(ROFF_ARGS); +static int roff_EN(ROFF_ARGS); +static int roff_T_(ROFF_ARGS); +static int roff_unsupp(ROFF_ARGS); +static int roff_userdef(ROFF_ARGS); /* --- constant data ------------------------------------------------------ */ -/* See roffhash_find() */ - -#define ASCII_HI 126 -#define ASCII_LO 33 -#define HASHWIDTH (ASCII_HI - ASCII_LO + 1) - #define ROFFNUM_SCALE (1 << 0) /* Honour scaling in roff_getnum(). */ #define ROFFNUM_WHITE (1 << 1) /* Skip whitespace in roff_evalnum(). */ -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 }, +const char *__roff_name[MAN_MAX + 1] = { + "br", "ce", "ft", "ll", + "mc", "po", "rj", "sp", + "ta", "ti", NULL, + "ab", "ad", "af", "aln", + "als", "am", "am1", "ami", + "ami1", "as", "as1", "asciify", + "backtrace", "bd", "bleedat", "blm", + "box", "boxa", "bp", "BP", + "break", "breakchar", "brnl", "brp", + "brpnl", "c2", "cc", + "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", "ps", + "psbb", "pshape", "pso", "ptr", + "pvs", "rchar", "rd", "recursionlimit", + "return", "rfschar", "rhang", + "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", + "TQ", + "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", + "SY", "YS", "OP", + "EX", "EE", "UR", + "UE", "MT", "ME", NULL }; +const char *const *roff_name = __roff_name; -/* not currently implemented: Ds em Eq LP Me PP pp Or Rd Sf SH */ -const char *const __mdoc_reserved[] = { - "Ac", "Ad", "An", "Ao", "Ap", "Aq", "Ar", "At", - "Bc", "Bd", "Bf", "Bk", "Bl", "Bo", "Bq", - "Brc", "Bro", "Brq", "Bsx", "Bt", "Bx", - "Cd", "Cm", "Db", "Dc", "Dd", "Dl", "Do", "Dq", - "Dt", "Dv", "Dx", "D1", - "Ec", "Ed", "Ef", "Ek", "El", "Em", - "En", "Eo", "Er", "Es", "Ev", "Ex", - "Fa", "Fc", "Fd", "Fl", "Fn", "Fo", "Fr", "Ft", "Fx", - "Hf", "Ic", "In", "It", "Lb", "Li", "Lk", "Lp", - "Ms", "Mt", "Nd", "Nm", "No", "Ns", "Nx", - "Oc", "Oo", "Op", "Os", "Ot", "Ox", - "Pa", "Pc", "Pf", "Po", "Pp", "Pq", - "Qc", "Ql", "Qo", "Qq", "Re", "Rs", "Rv", - "Sc", "Sh", "Sm", "So", "Sq", - "Ss", "St", "Sx", "Sy", - "Ta", "Tn", "Ud", "Ux", "Va", "Vt", "Xc", "Xo", "Xr", - "%A", "%B", "%C", "%D", "%I", "%J", "%N", "%O", - "%P", "%Q", "%R", "%T", "%U", "%V", - NULL +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 }, /* po */ + { roff_onearg, NULL, NULL, 0 }, /* rj */ + { 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_als, 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_char, 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_nop, 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 }, /* 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_return, NULL, NULL, 0 }, /* return */ + { roff_unsupp, NULL, NULL, 0 }, /* rfschar */ + { roff_line_ignore, NULL, NULL, 0 }, /* rhang */ + { 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_shift, 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_Dd, NULL, NULL, 0 }, /* TH */ + { roff_line_ignore, NULL, NULL, 0 }, /* tkf */ + { roff_unsupp, NULL, NULL, 0 }, /* tl */ + { roff_line_ignore, NULL, NULL, 0 }, /* tm */ + { roff_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_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT }, /*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: BT DE DS ME MT PT SY TQ YS */ -const char *const __man_reserved[] = { - "AT", "B", "BI", "BR", "DT", - "EE", "EN", "EQ", "EX", "HP", "I", "IB", "IP", "IR", - "LP", "OP", "P", "PD", "PP", - "R", "RB", "RE", "RI", "RS", "SB", "SH", "SM", "SS", - "TE", "TH", "TP", "TS", "T&", "UC", "UE", "UR", - NULL -}; - /* Array of injected predefined strings. */ #define PREDEFS_MAX 38 static const struct predef predefs[PREDEFS_MAX] = { #include "predefs.in" }; -/* See roffhash_find() */ -#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 */ /* --- request table ------------------------------------------------------ */ -static void -roffhash_init(void) +struct ohash * +roffhash_alloc(enum roff_tok mintok, enum roff_tok maxtok) { - struct roffmac *n; - int buc, i; + struct ohash *htab; + struct roffreq *req; + enum roff_tok tok; + size_t sz; + unsigned int slot; - for (i = 0; i < (int)ROFF_USERDEF; i++) { - assert(roffs[i].name[0] >= ASCII_LO); - assert(roffs[i].name[0] <= ASCII_HI); + htab = mandoc_malloc(sizeof(*htab)); + mandoc_ohash_init(htab, 8, offsetof(struct roffreq, name)); - buc = ROFF_HASH(roffs[i].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; + struct roffreq *req; + unsigned int slot; - /* - * 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 (htab == NULL) + return; + for (req = ohash_first(htab, &slot); req != NULL; + req = ohash_next(htab, &slot)) + free(req); + ohash_delete(htab); + free(htab); +} - if (p[0] < ASCII_LO || p[0] > ASCII_HI) - return(ROFF_MAX); +enum roff_tok +roffhash_find(struct ohash *htab, const char *name, size_t sz) +{ + struct roffreq *req; + const char *end; - buc = ROFF_HASH(p); - - 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)); - - 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 -------------------------------------------- */ @@ -804,18 +676,19 @@ roffhash_find(const char *p, size_t s) * Pop the current node off of the stack of roff instructions currently * pending. */ -static void +static int roffnode_pop(struct roff *r) { struct roffnode *p; + int inloop; - assert(r->last); p = r->last; - - r->last = r->last->parent; + inloop = p->tok == ROFF_while; + r->last = p->parent; free(p->name); free(p->end); free(p); + return inloop; } /* @@ -823,7 +696,7 @@ roffnode_pop(struct roff *r) * 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; @@ -845,22 +718,17 @@ roffnode_push(struct roff *r, enum rofft tok, const ch static void roff_free1(struct roff *r) { - struct tbl_node *tbl; - struct eqn_node *e; int i; - while (NULL != (tbl = r->first_tbl)) { - r->first_tbl = tbl->next; - tbl_free(tbl); - } + tbl_free(r->first_tbl); r->first_tbl = r->last_tbl = r->tbl = NULL; - while (NULL != (e = r->first_eqn)) { - r->first_eqn = e->next; - eqn_free(e); - } - r->first_eqn = r->last_eqn = r->eqn = NULL; + eqn_free(r->last_eqn); + r->last_eqn = r->eqn = NULL; + while (r->mstackpos >= 0) + roff_userret(r); + while (r->last) roffnode_pop(r); @@ -873,8 +741,9 @@ 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++) @@ -886,35 +755,42 @@ roff_free1(struct roff *r) void roff_reset(struct roff *r) { - roff_free1(r); r->format = r->options & (MPARSE_MDOC | MPARSE_MAN); - r->control = 0; + r->control = '\0'; + r->escape = '\\'; + roffce_lines = 0; + roffce_node = NULL; + roffit_lines = 0; + roffit_macro = NULL; } void roff_free(struct roff *r) { + int i; roff_free1(r); + for (i = 0; i < r->mstacksz; i++) + free(r->mstack[i].argv); + free(r->mstack); + roffhash_free(r->reqtab); free(r); } struct roff * -roff_alloc(struct mparse *parse, const struct mchars *mchars, int options) +roff_alloc(int options) { struct roff *r; r = mandoc_calloc(1, sizeof(struct roff)); - r->parse = parse; - r->mchars = mchars; + r->reqtab = roffhash_alloc(0, ROFF_RENAMED); r->options = options; r->format = options & (MPARSE_MDOC | MPARSE_MAN); + r->mstackpos = -1; r->rstackpos = -1; - - roffhash_init(); - - return(r); + r->escape = '\\'; + return r; } /* --- syntax tree state data management ---------------------------------- */ @@ -966,18 +842,17 @@ roff_man_free(struct roff_man *man) } struct roff_man * -roff_man_alloc(struct roff *roff, struct mparse *parse, - const char *defos, int quick) +roff_man_alloc(struct roff *roff, const char *os_s, int quick) { struct roff_man *man; man = mandoc_calloc(1, sizeof(*man)); - man->parse = parse; man->roff = roff; - man->defos = defos; + man->os_s = os_s; man->quick = quick; roff_man_alloc1(man); - return(man); + roff->man = man; + return man; } /* --- syntax tree handling ----------------------------------------------- */ @@ -996,14 +871,14 @@ roff_node_alloc(struct roff_man *man, int line, int po n->sec = man->lastsec; if (man->flags & MDOC_SYNOPSIS) - n->flags |= MDOC_SYNPRETTY; + n->flags |= NODE_SYNPRETTY; else - n->flags &= ~MDOC_SYNPRETTY; + n->flags &= ~NODE_SYNPRETTY; if (man->flags & MDOC_NEWLINE) - n->flags |= MDOC_LINE; + n->flags |= NODE_LINE; man->flags &= ~MDOC_NEWLINE; - return(n); + return n; } void @@ -1012,62 +887,52 @@ roff_node_append(struct roff_man *man, struct roff_nod 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(); - /* NOTREACHED */ } - n->parent->nchild++; - n->parent->last = n; + man->last = n; - /* - * Copy over the normalised-data pointer of our parent. Not - * everybody has one, but copying a null pointer is fine. - */ - switch (n->type) { - case ROFFT_BODY: - if (n->end != ENDBODY_NOT) - break; - /* FALLTHROUGH */ - case ROFFT_TAIL: - /* FALLTHROUGH */ case ROFFT_HEAD: - n->norm = n->parent->norm; - break; - default: - break; - } - - if (man->macroset == MACROSET_MDOC) - mdoc_valid_pre(man, n); - - switch (n->type) { - case ROFFT_HEAD: - assert(n->parent->type == ROFFT_BLOCK); n->parent->head = n; break; case ROFFT_BODY: - if (n->end) - break; - assert(n->parent->type == ROFFT_BLOCK); + if (n->end != ENDBODY_NOT) + return; n->parent->body = n; break; case ROFFT_TAIL: - assert(n->parent->type == ROFFT_BLOCK); n->parent->tail = n; break; default: - break; + return; } - man->last = n; + + /* + * 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 @@ -1078,10 +943,7 @@ roff_word_alloc(struct roff_man *man, int line, int po n = roff_node_alloc(man, line, pos, ROFFT_TEXT, TOKEN_NONE); n->string = roff_strdup(man->roff, word); roff_node_append(man, n); - if (man->macroset == MACROSET_MDOC) - mdoc_valid_post(man); - else - man_valid_post(man); + n->flags |= NODE_VALID | NODE_ENDED; man->next = ROFF_NEXT_SIBLING; } @@ -1118,7 +980,7 @@ roff_block_alloc(struct roff_man *man, int line, int p n = roff_node_alloc(man, line, pos, ROFFT_BLOCK, tok); roff_node_append(man, n); man->next = ROFF_NEXT_CHILD; - return(n); + return n; } struct roff_node * @@ -1129,7 +991,7 @@ roff_head_alloc(struct roff_man *man, int line, int po n = roff_node_alloc(man, line, pos, ROFFT_HEAD, tok); roff_node_append(man, n); man->next = ROFF_NEXT_CHILD; - return(n); + return n; } struct roff_node * @@ -1140,37 +1002,24 @@ roff_body_alloc(struct roff_man *man, int line, int po n = roff_node_alloc(man, line, pos, ROFFT_BODY, tok); roff_node_append(man, n); man->next = ROFF_NEXT_CHILD; - return(n); + return n; } -void -roff_addeqn(struct roff_man *man, const struct eqn *eqn) +static void +roff_addtbl(struct roff_man *man, int line, struct tbl_node *tbl) { struct roff_node *n; + struct tbl_span *span; - n = roff_node_alloc(man, eqn->ln, eqn->pos, ROFFT_EQN, TOKEN_NONE); - n->eqn = eqn; - if (eqn->ln > man->last->line) - n->flags |= MDOC_LINE; - roff_node_append(man, n); - man->next = ROFF_NEXT_SIBLING; -} - -void -roff_addtbl(struct roff_man *man, const struct tbl_span *tbl) -{ - struct roff_node *n; - if (man->macroset == MACROSET_MAN) - man_breakscope(man, TOKEN_NONE); - n = roff_node_alloc(man, tbl->line, 0, ROFFT_TBL, TOKEN_NONE); - n->span = tbl; - roff_node_append(man, n); - if (man->macroset == MACROSET_MDOC) - mdoc_valid_post(man); - else - man_valid_post(man); - man->next = ROFF_NEXT_SIBLING; + man_breakscope(man, ROFF_TS); + while ((span = tbl_span(tbl)) != NULL) { + n = roff_node_alloc(man, line, 0, ROFFT_TBL, TOKEN_NONE); + n->span = span; + roff_node_append(man, n); + n->flags |= NODE_VALID | NODE_ENDED; + man->next = ROFF_NEXT_SIBLING; + } } void @@ -1187,7 +1036,6 @@ roff_node_unlink(struct roff_man *man, struct roff_nod /* Adjust parent. */ if (n->parent != NULL) { - n->parent->nchild--; if (n->parent->child == n) n->parent->child = n->next; if (n->parent->last == n) @@ -1212,6 +1060,14 @@ roff_node_unlink(struct roff_man *man, struct roff_nod } void +roff_node_relink(struct roff_man *man, struct roff_node *n) +{ + roff_node_unlink(man, n); + n->prev = n->next = NULL; + roff_node_append(man, n); +} + +void roff_node_free(struct roff_node *n) { @@ -1219,6 +1075,7 @@ roff_node_free(struct roff_node *n) mdoc_argv_free(n->args); if (n->type == ROFFT_BLOCK || n->type == ROFFT_ELEM) free(n->norm); + eqn_box_free(n->eqn); free(n->string); free(n); } @@ -1229,7 +1086,6 @@ roff_node_delete(struct roff_man *man, struct roff_nod while (n->child != NULL) roff_node_delete(man, n->child); - assert(n->nchild == 0); roff_node_unlink(man, n); roff_node_free(n); } @@ -1246,22 +1102,25 @@ deroff(char **dest, const struct roff_node *n) return; } - /* Skip leading whitespace and escape sequences. */ + /* Skip leading whitespace. */ - cp = n->string; - while (*cp != '\0') { - if ('\\' == *cp) { + for (cp = n->string; *cp != '\0'; cp++) { + if (cp[0] == '\\' && cp[1] != '\0' && + strchr(" %&0^|~", cp[1]) != NULL) cp++; - mandoc_escape((const char **)&cp, NULL, NULL); - } else if (isspace((unsigned char)*cp)) - cp++; - else + else if ( ! isspace((unsigned char)*cp)) break; } + /* Skip trailing backslash. */ + + sz = strlen(cp); + if (sz > 0 && cp[sz - 1] == '\\') + sz--; + /* Skip trailing whitespace. */ - for (sz = strlen(cp); sz; sz--) + for (; sz; sz--) if ( ! isspace((unsigned char)cp[sz-1])) break; @@ -1287,77 +1146,213 @@ deroff(char **dest, const struct roff_node *n) * used in numerical expressions and conditional requests. * Also check the syntax of the remaining escape sequences. */ -static enum rofferr +static int roff_res(struct roff *r, struct buf *buf, int ln, int pos) { + struct mctx *ctx; /* current macro call context */ char ubuf[24]; /* buffer to print the number */ + struct roff_node *n; /* used for header comments */ const char *start; /* start of the string to process */ char *stesc; /* start of an escape sequence ('\\') */ + const char *esct; /* type of esccape sequence */ + char *ep; /* end of comment string */ const char *stnam; /* start of the name, after "[(*" */ const char *cp; /* end of the name, e.g. before ']' */ const char *res; /* the string to be substituted */ char *nbuf; /* new buffer to copy buf->buf to */ size_t maxl; /* expected length of the escape name */ size_t naml; /* actual length of the escape name */ - enum mandoc_esc esc; /* type of the escape sequence */ + size_t asz; /* length of the replacement */ + size_t rsz; /* length of the rest of the string */ int inaml; /* length returned from mandoc_escape() */ int expand_count; /* to avoid infinite loops */ int npos; /* position in numeric expression */ int arg_complete; /* argument not interrupted by eol */ + int quote_args; /* true for \\$@, false for \\$* */ + int done; /* no more input available */ + int deftype; /* type of definition to paste */ + int rcsid; /* kind of RCS id seen */ + enum mandocerr err; /* for escape sequence problems */ + char sign; /* increment number register */ 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; + /* Comment found, look for RCS id. */ + + rcsid = 0; + if ((cp = strstr(stesc, "$" "OpenBSD")) != NULL) { + rcsid = 1 << MANDOC_OS_OPENBSD; + cp += 8; + } else if ((cp = strstr(stesc, "$" "NetBSD")) != NULL) { + rcsid = 1 << MANDOC_OS_NETBSD; + cp += 7; + } + if (cp != NULL && + isalnum((unsigned char)*cp) == 0 && + strchr(cp, '$') != NULL) { + if (r->man->meta.rcsids & rcsid) + mandoc_msg(MANDOCERR_RCS_REP, ln, + (int)(stesc - buf->buf) + 1, + "%s", stesc + 1); + r->man->meta.rcsids |= rcsid; + } + + /* Handle trailing whitespace. */ + + ep = strchr(stesc--, '\0') - 1; + if (*ep == '\n') { + done = 1; + ep--; + } + if (*ep == ' ' || *ep == '\t') + mandoc_msg(MANDOCERR_SPACE_EOL, + ln, (int)(ep - buf->buf), NULL); + + /* + * Save comments preceding the title macro + * in the syntax tree. + */ + + if (r->format == 0) { + while (*ep == ' ' || *ep == '\t') + ep--; + ep[1] = '\0'; + n = roff_node_alloc(r->man, + ln, stesc + 1 - buf->buf, + ROFFT_COMMENT, TOKEN_NONE); + n->string = mandoc_strdup(stesc + 2); + roff_node_append(r->man, n); + n->flags |= NODE_VALID | NODE_ENDED; + r->man->next = ROFF_NEXT_SIBLING; + } + + /* Line continuation with comment. */ + + if (stesc[1] == '#') { + *stesc = '\0'; + return ROFF_IGN | ROFF_APPEND; + } + + /* Discard normal comments. */ + + while (stesc > start && stesc[-1] == ' ' && + (stesc == start + 1 || stesc[-2] != '\\')) + 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_IGN | ROFF_APPEND; } /* Decide whether to expand or to check only. */ term = '\0'; cp = stesc + 1; - switch (*cp) { + if (*cp == 'E') + cp++; + esct = cp; + switch (*esct) { case '*': + case '$': res = NULL; break; case 'B': - /* FALLTHROUGH */ case 'w': term = cp[1]; /* FALLTHROUGH */ case 'n': + sign = cp[1]; + if (sign == '+' || sign == '-') + cp++; res = ubuf; break; default: - esc = mandoc_escape(&cp, &stnam, &inaml); - if (esc == ESCAPE_ERROR || - (esc == ESCAPE_SPECIAL && - mchars_spec2cp(r->mchars, stnam, inaml) < 0)) - mandoc_vmsg(MANDOCERR_ESC_BAD, - r->parse, ln, (int)(stesc - buf->buf), + err = MANDOCERR_OK; + switch(mandoc_escape(&cp, &stnam, &inaml)) { + case ESCAPE_SPECIAL: + if (mchars_spec2cp(stnam, inaml) >= 0) + break; + /* FALLTHROUGH */ + case ESCAPE_ERROR: + err = MANDOCERR_ESC_BAD; + break; + case ESCAPE_UNDEF: + err = MANDOCERR_ESC_UNDEF; + break; + case ESCAPE_UNSUPP: + err = MANDOCERR_ESC_UNSUPP; + break; + default: + break; + } + if (err != MANDOCERR_OK) + mandoc_msg(err, ln, (int)(stesc - buf->buf), "%.*s", (int)(cp - stesc), stesc); + stesc--; continue; } if (EXPAND_LIMIT < ++expand_count) { - mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, + mandoc_msg(MANDOCERR_ROFFLOOP, ln, (int)(stesc - buf->buf), NULL); - return(ROFF_IGN); + return ROFF_IGN; } /* @@ -1396,8 +1391,8 @@ roff_res(struct roff *r, struct buf *buf, int ln, int arg_complete = 1; while (maxl == 0 || naml < maxl) { if (*cp == '\0') { - mandoc_msg(MANDOCERR_ESC_BAD, r->parse, - ln, (int)(stesc - buf->buf), stesc); + mandoc_msg(MANDOCERR_ESC_BAD, ln, + (int)(stesc - buf->buf), "%s", stesc); arg_complete = 0; break; } @@ -1405,17 +1400,15 @@ roff_res(struct roff *r, struct buf *buf, int ln, int cp++; break; } - if (*cp++ != '\\' || stesc[1] != 'w') { + if (*cp++ != '\\' || *esct != 'w') { naml++; continue; } switch (mandoc_escape(&cp, NULL, NULL)) { case ESCAPE_SPECIAL: - /* FALLTHROUGH */ case ESCAPE_UNICODE: - /* FALLTHROUGH */ case ESCAPE_NUMBERED: - /* FALLTHROUGH */ + case ESCAPE_UNDEF: case ESCAPE_OVERSTRIKE: naml++; break; @@ -1429,11 +1422,80 @@ roff_res(struct roff *r, struct buf *buf, int ln, int * undefined, resume searching for escapes. */ - switch (stesc[1]) { + switch (*esct) { case '*': - if (arg_complete) - res = roff_getstrn(r, stnam, naml); + if (arg_complete) { + deftype = ROFFDEF_USER | ROFFDEF_PRE; + res = roff_getstrn(r, stnam, naml, &deftype); + + /* + * If not overriden, let \*(.T + * through to the formatters. + */ + + if (res == NULL && naml == 2 && + stnam[0] == '.' && stnam[1] == 'T') { + roff_setstrn(&r->strtab, + ".T", 2, NULL, 0, 0); + stesc--; + continue; + } + } break; + case '$': + if (r->mstackpos < 0) { + mandoc_msg(MANDOCERR_ARG_UNDEF, ln, + (int)(stesc - buf->buf), "%.3s", stesc); + break; + } + ctx = r->mstack + r->mstackpos; + npos = esct[1] - '1'; + if (npos >= 0 && npos <= 8) { + res = npos < ctx->argc ? + ctx->argv[npos] : ""; + break; + } + if (esct[1] == '*') + quote_args = 0; + else if (esct[1] == '@') + quote_args = 1; + else { + mandoc_msg(MANDOCERR_ARG_NONUM, ln, + (int)(stesc - buf->buf), "%.3s", stesc); + break; + } + asz = 0; + for (npos = 0; npos < ctx->argc; npos++) { + if (npos) + asz++; /* blank */ + if (quote_args) + asz += 2; /* quotes */ + asz += strlen(ctx->argv[npos]); + } + if (asz != 3) { + rsz = buf->sz - (stesc - buf->buf) - 3; + if (asz < 3) + memmove(stesc + asz, stesc + 3, rsz); + buf->sz += asz - 3; + nbuf = mandoc_realloc(buf->buf, buf->sz); + start = nbuf + pos; + stesc = nbuf + (stesc - buf->buf); + buf->buf = nbuf; + if (asz > 3) + memmove(stesc + asz, stesc + 3, rsz); + } + for (npos = 0; npos < ctx->argc; npos++) { + if (npos) + *stesc++ = ' '; + if (quote_args) + *stesc++ = '"'; + cp = ctx->argv[npos]; + while (*cp != '\0') + *stesc++ = *cp++; + if (quote_args) + *stesc++ = '"'; + } + continue; case 'B': npos = 0; ubuf[0] = arg_complete && @@ -1445,7 +1507,7 @@ roff_res(struct roff *r, struct buf *buf, int ln, int case 'n': if (arg_complete) (void)snprintf(ubuf, sizeof(ubuf), "%d", - roff_getregn(r, stnam, naml)); + roff_getregn(r, stnam, naml, sign)); else ubuf[0] = '\0'; break; @@ -1457,14 +1519,15 @@ roff_res(struct roff *r, struct buf *buf, int ln, int } if (res == NULL) { - mandoc_vmsg(MANDOCERR_STR_UNDEF, - r->parse, ln, (int)(stesc - buf->buf), - "%.*s", (int)naml, stnam); + if (*esct == '*') + mandoc_msg(MANDOCERR_STR_UNDEF, + ln, (int)(stesc - buf->buf), + "%.*s", (int)naml, stnam); res = ""; } else if (buf->sz + strlen(res) > SHRT_MAX) { - mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, + mandoc_msg(MANDOCERR_ROFFLOOP, ln, (int)(stesc - buf->buf), NULL); - return(ROFF_IGN); + return ROFF_IGN; } /* Replace the escape sequence by the string. */ @@ -1480,23 +1543,144 @@ roff_res(struct roff *r, struct buf *buf, int ln, int 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. + * Parse a quoted or unquoted roff-style request or macro argument. + * Return a pointer to the parsed argument, which is either the original + * pointer or advanced by one byte in case the argument is quoted. + * NUL-terminate the argument in place. + * Collapse pairs of quotes inside quoted arguments. + * Advance the argument pointer to the next argument, + * or to the NUL byte terminating the argument line. */ -static enum rofferr -roff_parsetext(struct buf *buf, int pos, int *offs) +char * +mandoc_getarg(char **cpp, int ln, int *pos) { + char *start, *cp; + int quoted, pairs, white; + + /* Quoting can only start with a new word. */ + start = *cpp; + quoted = 0; + if ('"' == *start) { + quoted = 1; + start++; + } + + pairs = 0; + white = 0; + for (cp = start; '\0' != *cp; cp++) { + + /* + * Move the following text left + * after quoted quotes and after "\\" and "\t". + */ + if (pairs) + cp[-pairs] = cp[0]; + + if ('\\' == cp[0]) { + /* + * In copy mode, translate double to single + * backslashes and backslash-t to literal tabs. + */ + switch (cp[1]) { + case 'a': + case 't': + cp[-pairs] = '\t'; + /* FALLTHROUGH */ + case '\\': + pairs++; + cp++; + break; + case ' ': + /* Skip escaped blanks. */ + if (0 == quoted) + cp++; + break; + default: + break; + } + } else if (0 == quoted) { + if (' ' == cp[0]) { + /* Unescaped blanks end unquoted args. */ + white = 1; + break; + } + } else if ('"' == cp[0]) { + if ('"' == cp[1]) { + /* Quoted quotes collapse. */ + pairs++; + cp++; + } else { + /* Unquoted quotes end quoted args. */ + quoted = 2; + break; + } + } + } + + /* Quoted argument without a closing quote. */ + if (1 == quoted) + mandoc_msg(MANDOCERR_ARG_QUOTE, ln, *pos, NULL); + + /* NUL-terminate this argument and move to the next one. */ + if (pairs) + cp[-pairs] = '\0'; + if ('\0' != *cp) { + *cp++ = '\0'; + while (' ' == *cp) + cp++; + } + *pos += (int)(cp - start) + (quoted ? 1 : 0); + *cpp = cp; + + if ('\0' == *cp && (white || ' ' == cp[-1])) + mandoc_msg(MANDOCERR_SPACE_EOL, ln, *pos, NULL); + + return start; +} + + +/* + * Process text streams. + */ +static int +roff_parsetext(struct roff *r, struct buf *buf, int pos, int *offs) +{ size_t sz; const char *start; char *p; 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') { @@ -1525,27 +1709,14 @@ roff_parsetext(struct buf *buf, int pos, int *offs) *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 +int roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs) { - enum rofft t; - enum rofferr e; + enum roff_tok t; + int e; int pos; /* parse point */ int spos; /* saved parse point for messages */ int ppos; /* original offset in buf->buf */ @@ -1560,15 +1731,15 @@ roff_parseln(struct roff *r, int ln, struct buf *buf, (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_MASK) == ROFF_IGN) + return e; assert(e == ROFF_CONT); ctl = roff_getcontrol(r, buf->buf, &pos); @@ -1583,27 +1754,31 @@ roff_parseln(struct roff *r, int ln, struct buf *buf, 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_MASK) == ROFF_IGN) + return e; + e &= ~ROFF_MASK; + } else + e = ROFF_IGN; + if (r->eqn != NULL && strncmp(buf->buf + ppos, ".EN", 3)) { + eqn_read(r->eqn, buf->buf + ppos); + return e; } - if (r->eqn != NULL) - return(eqn_read(&r->eqn, ln, buf->buf, ppos, offs)); - if (r->tbl != NULL && ( ! ctl || buf->buf[pos] == '\0')) - return(tbl_read(r->tbl, ln, buf->buf, ppos)); + if (r->tbl != NULL && (ctl == 0 || buf->buf[pos] == '\0')) { + tbl_read(r->tbl, ln, buf->buf, ppos); + roff_addtbl(r->man, ln, r->tbl); + return e; + } if ( ! ctl) - return(roff_parsetext(buf, pos, offs)); + return roff_parsetext(r, buf, pos, offs) | e; /* Skip empty request lines. */ if (buf->buf[pos] == '"') { - mandoc_msg(MANDOCERR_COMMENT_BAD, r->parse, - ln, pos, NULL); - return(ROFF_IGN); + mandoc_msg(MANDOCERR_COMMENT_BAD, ln, pos, NULL); + 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, @@ -1613,8 +1788,7 @@ roff_parseln(struct roff *r, int ln, struct buf *buf, 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. */ @@ -1624,51 +1798,81 @@ roff_parseln(struct roff *r, int ln, struct buf *buf, /* 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); + if (r->tbl != NULL && (t == TOKEN_NONE || t == ROFF_TS || + t == ROFF_br || t == ROFF_ce || t == ROFF_rj || t == ROFF_sp)) { + mandoc_msg(MANDOCERR_TBLMACRO, + ln, pos, "%s", buf->buf + spos); + if (t != TOKEN_NONE) + 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)); + tbl_read(r->tbl, ln, buf->buf, pos); + roff_addtbl(r->man, ln, r->tbl); + return ROFF_IGN; } + /* For now, let high level macros abort .ce mode. */ + + if (ctl && roffce_node != NULL && + (t == TOKEN_NONE || t == ROFF_Dd || t == ROFF_EQ || + t == ROFF_TH || t == ROFF_TS)) { + r->man->last = roffce_node; + r->man->next = ROFF_NEXT_SIBLING; + roffce_lines = 0; + roffce_node = NULL; + } + /* * This is neither a roff request nor a user-defined macro. * 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); } +/* + * Internal interface function to tell the roff parser that execution + * of the current macro ended. This is required because macro + * definitions usually do not end with a .return request. + */ void -roff_endparse(struct roff *r) +roff_userret(struct roff *r) { + struct mctx *ctx; + int i; - if (r->last) - mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, - r->last->line, r->last->col, - roffs[r->last->tok].name); + assert(r->mstackpos >= 0); + ctx = r->mstack + r->mstackpos; + for (i = 0; i < ctx->argc; i++) + free(ctx->argv[i]); + ctx->argc = 0; + r->mstackpos--; +} - if (r->eqn) { - mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, - r->eqn->eqn.ln, r->eqn->eqn.pos, "EQ"); - eqn_end(&r->eqn); +void +roff_endparse(struct roff *r) +{ + if (r->last != NULL) + mandoc_msg(MANDOCERR_BLK_NOEND, r->last->line, + r->last->col, "%s", roff_name[r->last->tok]); + + if (r->eqn != NULL) { + mandoc_msg(MANDOCERR_BLK_NOEND, + r->eqn->node->line, r->eqn->node->pos, "EQ"); + eqn_parse(r->eqn); + r->eqn = NULL; } - if (r->tbl) { - mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, - r->tbl->line, r->tbl->pos, "TS"); - tbl_end(&r->tbl); + if (r->tbl != NULL) { + tbl_end(r->tbl, 1); + r->tbl = NULL; } } @@ -1676,34 +1880,49 @@ roff_endparse(struct roff *r) * 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; + int deftype; + 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); - - if (ROFF_MAX != t) + deftype = ROFFDEF_USER | ROFFDEF_REN; + r->current_string = roff_getstrn(r, mac, maclen, &deftype); + switch (deftype) { + case ROFFDEF_USER: + t = ROFF_USERDEF; + break; + case ROFFDEF_REN: + t = ROFF_RENAMED; + break; + default: + t = roffhash_find(r->reqtab, mac, maclen); + break; + } + if (t != TOKEN_NONE) *pos = cp - buf; - - return(t); + else if (deftype == ROFFDEF_UNDEF) { + /* Using an undefined macro defines it to be empty. */ + roff_setstrn(&r->strtab, mac, maclen, "", 0, 0); + roff_setstrn(&r->rentab, mac, maclen, NULL, 0, 0); + } + return t; } /* --- handling of request blocks ----------------------------------------- */ -static enum rofferr +static int roff_cblock(ROFF_ARGS) { @@ -1713,91 +1932,82 @@ roff_cblock(ROFF_ARGS) */ if (r->last == NULL) { - mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, - ln, ppos, ".."); - return(ROFF_IGN); + mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, ".."); + 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); + mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, ".."); + return ROFF_IGN; } if (buf->buf[pos] != '\0') - mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, + mandoc_msg(MANDOCERR_ARG_SKIP, ln, pos, ".. %s", buf->buf + pos); roffnode_pop(r); roffnode_cleanscope(r); - return(ROFF_IGN); + return ROFF_IGN; } -static void +static int roffnode_cleanscope(struct roff *r) { + int inloop; - while (r->last) { + inloop = 0; + while (r->last != NULL) { if (--r->last->endspan != 0) break; - roffnode_pop(r); + inloop += roffnode_pop(r); } + return inloop; } -static void +static int roff_ccond(struct roff *r, int ln, int ppos) { - if (NULL == r->last) { - mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, - ln, ppos, "\\}"); - return; + mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "\\}"); + return 0; } switch (r->last->tok) { case ROFF_el: - /* FALLTHROUGH */ case ROFF_ie: - /* FALLTHROUGH */ case ROFF_if: + case ROFF_while: break; default: - mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, - ln, ppos, "\\}"); - return; + mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "\\}"); + return 0; } if (r->last->endspan > -1) { - mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, - ln, ppos, "\\}"); - return; + mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "\\}"); + return 0; } - roffnode_pop(r); - roffnode_cleanscope(r); - return; + return roffnode_pop(r) + roffnode_cleanscope(r); } -static enum rofferr +static int roff_block(ROFF_ARGS) { - const char *name; - char *iname, *cp; - size_t namesz; + const char *name, *value; + char *call, *cp, *iname, *rname; + size_t csz, namesz, rsz; + int deftype; /* Ignore groff compatibility mode for now. */ @@ -1825,9 +2035,11 @@ roff_block(ROFF_ARGS) /* Resolve the macro name argument if it is indirect. */ if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) { - if ((name = roff_getstrn(r, iname, namesz)) == NULL) { - mandoc_vmsg(MANDOCERR_STR_UNDEF, - r->parse, ln, (int)(iname - buf->buf), + deftype = ROFFDEF_USER; + name = roff_getstrn(r, iname, namesz, &deftype); + if (name == NULL) { + mandoc_msg(MANDOCERR_STR_UNDEF, + ln, (int)(iname - buf->buf), "%.*s", (int)namesz, iname); namesz = 0; } else @@ -1836,9 +2048,9 @@ roff_block(ROFF_ARGS) name = iname; if (namesz == 0 && tok != ROFF_ig) { - mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, - ln, ppos, roffs[tok].name); - return(ROFF_IGN); + mandoc_msg(MANDOCERR_REQ_EMPTY, + ln, ppos, "%s", roff_name[tok]); + return ROFF_IGN; } roffnode_push(r, tok, name, ln, ppos); @@ -1849,11 +2061,40 @@ roff_block(ROFF_ARGS) * appended from roff_block_text() in multiline mode. */ - if (tok == ROFF_de || tok == ROFF_dei) + if (tok == ROFF_de || tok == ROFF_dei) { roff_setstrn(&r->strtab, name, namesz, "", 0, 0); + roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); + } else if (tok == ROFF_am || tok == ROFF_ami) { + deftype = ROFFDEF_ANY; + value = roff_getstrn(r, iname, namesz, &deftype); + switch (deftype) { /* Before appending, ... */ + case ROFFDEF_PRE: /* copy predefined to user-defined. */ + roff_setstrn(&r->strtab, name, namesz, + value, strlen(value), 0); + break; + case ROFFDEF_REN: /* call original standard macro. */ + csz = mandoc_asprintf(&call, ".%.*s \\$* \\\"\n", + (int)strlen(value), value); + roff_setstrn(&r->strtab, name, namesz, call, csz, 0); + roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); + free(call); + break; + case ROFFDEF_STD: /* rename and call standard macro. */ + rsz = mandoc_asprintf(&rname, "__%s_renamed", name); + roff_setstrn(&r->rentab, rname, rsz, name, namesz, 0); + csz = mandoc_asprintf(&call, ".%.*s \\$* \\\"\n", + (int)rsz, rname); + roff_setstrn(&r->strtab, name, namesz, call, csz, 0); + free(call); + free(rname); + break; + default: + break; + } + } if (*cp == '\0') - return(ROFF_IGN); + return ROFF_IGN; /* Get the custom end marker. */ @@ -1863,9 +2104,11 @@ roff_block(ROFF_ARGS) /* Resolve the end marker if it is indirect. */ if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) { - if ((name = roff_getstrn(r, iname, namesz)) == NULL) { - mandoc_vmsg(MANDOCERR_STR_UNDEF, - r->parse, ln, (int)(iname - buf->buf), + deftype = ROFFDEF_USER; + name = roff_getstrn(r, iname, namesz, &deftype); + if (name == NULL) { + mandoc_msg(MANDOCERR_STR_UNDEF, + ln, (int)(iname - buf->buf), "%.*s", (int)namesz, iname); namesz = 0; } else @@ -1877,16 +2120,16 @@ roff_block(ROFF_ARGS) r->last->end = mandoc_strndup(name, namesz); if (*cp != '\0') - mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, - ln, pos, ".%s ... %s", roffs[tok].name, cp); + mandoc_msg(MANDOCERR_ARG_EXCESS, + ln, pos, ".%s ... %s", roff_name[tok], cp); - return(ROFF_IGN); + return ROFF_IGN; } -static enum rofferr +static int roff_block_sub(ROFF_ARGS) { - enum rofft t; + enum roff_tok t; int i, j; /* @@ -1915,9 +2158,9 @@ roff_block_sub(ROFF_ARGS) 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; } } @@ -1931,46 +2174,37 @@ roff_block_sub(ROFF_ARGS) 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 +static int roff_block_text(ROFF_ARGS) { if (tok != ROFF_ig) roff_setstr(r, r->last->name, buf->buf + pos, 2); - return(ROFF_IGN); + return ROFF_IGN; } -static enum rofferr +static int roff_cond_sub(ROFF_ARGS) { - enum rofft t; char *ep; - int rr; + int endloop, irc, rr; + enum roff_tok t; + irc = ROFF_IGN; rr = r->last->rule; - roffnode_cleanscope(r); - t = roff_parse(r, buf->buf, &pos, ln, ppos); + endloop = tok != ROFF_while ? ROFF_IGN : + rr ? ROFF_LOOPCONT : ROFF_LOOPEXIT; + if (roffnode_cleanscope(r)) + irc |= endloop; /* - * Fully handle known macros when they are structurally - * 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 `\}' occurs on a macro line without a preceding macro, * drop the line completely. */ @@ -1979,38 +2213,84 @@ roff_cond_sub(ROFF_ARGS) if (ep[0] == '\\' && ep[1] == '}') rr = 0; - /* Always check for the closing delimiter `\}'. */ + /* + * The closing delimiter `\}' rewinds the conditional scope + * but is otherwise ignored when interpreting the line. + */ while ((ep = strchr(ep, '\\')) != NULL) { - if (*(++ep) == '}') { - *ep = '&'; - roff_ccond(r, ln, ep - buf->buf - 1); - } - if (*ep != '\0') + switch (ep[1]) { + case '}': + memmove(ep, ep + 2, strlen(ep + 2) + 1); + if (roff_ccond(r, ln, ep - buf->buf)) + irc |= endloop; + break; + case '\0': ++ep; + break; + default: + ep += 2; + break; + } } - return(rr ? ROFF_CONT : ROFF_IGN); + + /* + * Fully handle known macros when they are structurally + * required or when the conditional evaluated to true. + */ + + t = roff_parse(r, buf->buf, &pos, ln, ppos); + irc |= t != TOKEN_NONE && (rr || roffs[t].flags & ROFFMAC_STRUCT) ? + (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs) : + rr ? ROFF_CONT : ROFF_IGN; + return irc; } -static enum rofferr +static int roff_cond_text(ROFF_ARGS) { char *ep; - int rr; + int endloop, irc, rr; + irc = ROFF_IGN; rr = r->last->rule; - roffnode_cleanscope(r); + endloop = tok != ROFF_while ? ROFF_IGN : + rr ? ROFF_LOOPCONT : ROFF_LOOPEXIT; + if (roffnode_cleanscope(r)) + irc |= endloop; + /* + * If `\}' occurs on a text line with neither preceding + * nor following characters, drop the line completely. + */ + ep = buf->buf + pos; + if (strcmp(ep, "\\}") == 0) + rr = 0; + + /* + * The closing delimiter `\}' rewinds the conditional scope + * but is otherwise ignored when interpreting the line. + */ + while ((ep = strchr(ep, '\\')) != NULL) { - if (*(++ep) == '}') { - *ep = '&'; - roff_ccond(r, ln, ep - buf->buf - 1); - } - if (*ep != '\0') + switch (ep[1]) { + case '}': + memmove(ep, ep + 2, strlen(ep + 2) + 1); + if (roff_ccond(r, ln, ep - buf->buf)) + irc |= endloop; + break; + case '\0': ++ep; + break; + default: + ep += 2; + break; + } } - return(rr ? ROFF_CONT : ROFF_IGN); + if (rr) + irc |= ROFF_CONT; + return irc; } /* --- handling of numeric and conditional expressions -------------------- */ @@ -2059,12 +2339,10 @@ roff_getnum(const char *v, int *pos, int *res, int fla scaled = *res * 240 / 2.54; break; case 'v': - /* FALLTROUGH */ case 'P': scaled = *res * 40; break; case 'm': - /* FALLTROUGH */ case 'n': scaled = *res * 24; break; @@ -2086,7 +2364,7 @@ roff_getnum(const char *v, int *pos, int *res, int fla *res = scaled; *pos = p + 1; - return(1); + return 1; } /* @@ -2129,7 +2407,7 @@ out: else if (*s3 != '\0') s3++; *pos = s3 - v; - return(match); + return match; } /* @@ -2139,9 +2417,10 @@ out: static int roff_evalcond(struct roff *r, int ln, char *v, int *pos) { - char *cp, *name; - size_t sz; - int number, savepos, wanttrue; + const char *start, *end; + char *cp, *name; + size_t sz; + int deftype, len, number, savepos, istrue, wanttrue; if ('!' == v[*pos]) { wanttrue = 0; @@ -2151,69 +2430,113 @@ roff_evalcond(struct roff *r, int ln, char *v, int *po switch (v[*pos]) { case '\0': - return(0); + return 0; case 'n': - /* FALLTHROUGH */ case 'o': (*pos)++; - return(wanttrue); - case 'c': - /* FALLTHROUGH */ - case 'd': - /* FALLTHROUGH */ + return wanttrue; case 'e': - /* FALLTHROUGH */ case 't': - /* FALLTHROUGH */ case 'v': (*pos)++; - return(!wanttrue); + return !wanttrue; + case 'c': + do { + (*pos)++; + } while (v[*pos] == ' '); + + /* + * Quirk for groff compatibility: + * The horizontal tab is neither available nor unavailable. + */ + + if (v[*pos] == '\t') { + (*pos)++; + return 0; + } + + /* Printable ASCII characters are available. */ + + if (v[*pos] != '\\') { + (*pos)++; + return wanttrue; + } + + end = v + ++*pos; + switch (mandoc_escape(&end, &start, &len)) { + case ESCAPE_SPECIAL: + istrue = mchars_spec2cp(start, len) != -1; + break; + case ESCAPE_UNICODE: + istrue = 1; + break; + case ESCAPE_NUMBERED: + istrue = mchars_num2char(start, len) != -1; + break; + default: + istrue = !wanttrue; + break; + } + *pos = end - v; + return istrue == wanttrue; + case 'd': case 'r': - cp = name = v + ++*pos; - sz = roff_getname(r, &cp, ln, *pos); + cp = v + *pos + 1; + while (*cp == ' ') + cp++; + name = cp; + sz = roff_getname(r, &cp, ln, cp - v); + if (sz == 0) + istrue = 0; + else if (v[*pos] == 'r') + istrue = roff_hasregn(r, name, sz); + else { + deftype = ROFFDEF_ANY; + roff_getstrn(r, name, sz, &deftype); + istrue = !!deftype; + } *pos = cp - v; - return((sz && roff_hasregn(r, name, sz)) == wanttrue); + return istrue == wanttrue; default: break; } savepos = *pos; if (roff_evalnum(r, ln, v, pos, &number, ROFFNUM_SCALE)) - return((number > 0) == wanttrue); + 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 +static int roff_line_ignore(ROFF_ARGS) { - return(ROFF_IGN); + return ROFF_IGN; } -static enum rofferr +static int roff_insec(ROFF_ARGS) { - mandoc_msg(MANDOCERR_REQ_INSEC, r->parse, - ln, ppos, roffs[tok].name); - return(ROFF_IGN); + mandoc_msg(MANDOCERR_REQ_INSEC, ln, ppos, "%s", roff_name[tok]); + return ROFF_IGN; } -static enum rofferr +static int roff_unsupp(ROFF_ARGS) { - mandoc_msg(MANDOCERR_REQ_UNSUPP, r->parse, - ln, ppos, roffs[tok].name); - return(ROFF_IGN); + mandoc_msg(MANDOCERR_REQ_UNSUPP, ln, ppos, "%s", roff_name[tok]); + return ROFF_IGN; } -static enum rofferr +static int roff_cond(ROFF_ARGS) { + int irc; roffnode_push(r, tok, NULL, ln, ppos); @@ -2252,9 +2575,10 @@ roff_cond(ROFF_ARGS) * Determine scope. * If there is nothing on the line after the conditional, * not even whitespace, use next-line scope. + * Except that .while does not support next-line scope. */ - if (buf->buf[pos] == '\0') { + if (buf->buf[pos] == '\0' && tok != ROFF_while) { r->last->endspan = 2; goto out; } @@ -2279,17 +2603,20 @@ roff_cond(ROFF_ARGS) */ if (buf->buf[pos] == '\0') - mandoc_msg(MANDOCERR_COND_EMPTY, r->parse, - ln, ppos, roffs[tok].name); + mandoc_msg(MANDOCERR_COND_EMPTY, + ln, ppos, "%s", roff_name[tok]); r->last->endspan = 1; out: *offs = pos; - return(ROFF_RERUN); + irc = ROFF_RERUN; + if (tok == ROFF_while) + irc |= ROFF_WHILE; + return irc; } -static enum rofferr +static int roff_ds(ROFF_ARGS) { char *string; @@ -2311,11 +2638,11 @@ roff_ds(ROFF_ARGS) 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 == '"') @@ -2324,7 +2651,8 @@ roff_ds(ROFF_ARGS) /* The rest is the value. */ roff_setstrn(&r->strtab, name, namesz, string, strlen(string), ROFF_as == tok); - return(ROFF_IGN); + roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); + return ROFF_IGN; } /* @@ -2340,17 +2668,11 @@ roff_getop(const char *v, int *pos, char *res) switch (*res) { case '+': - /* FALLTHROUGH */ case '-': - /* FALLTHROUGH */ case '*': - /* FALLTHROUGH */ case '/': - /* FALLTHROUGH */ case '%': - /* FALLTHROUGH */ case '&': - /* FALLTHROUGH */ case ':': break; case '<': @@ -2390,11 +2712,11 @@ roff_getop(const char *v, int *pos, char *res) (*pos)++; break; default: - return(0); + return 0; } (*pos)++; - return(*res); + return *res; } /* @@ -2407,11 +2729,11 @@ roff_evalpar(struct roff *r, int ln, { if ('(' != v[*pos]) - return(roff_getnum(v, pos, res, flags)); + return roff_getnum(v, pos, res, flags); (*pos)++; if ( ! roff_evalnum(r, ln, v, pos, res, flags | ROFFNUM_WHITE)) - return(0); + return 0; /* * Omission of the closing parenthesis @@ -2422,9 +2744,9 @@ roff_evalpar(struct roff *r, int ln, if (')' == v[*pos]) (*pos)++; else if (NULL == res) - return(0); + return 0; - return(1); + return 1; } /* @@ -2448,7 +2770,7 @@ roff_evalnum(struct roff *r, int ln, const char *v, (*pos)++; if ( ! roff_evalpar(r, ln, v, pos, res, flags)) - return(0); + return 0; while (1) { if (flags & ROFFNUM_WHITE) @@ -2463,7 +2785,7 @@ roff_evalnum(struct roff *r, int ln, const char *v, (*pos)++; if ( ! roff_evalpar(r, ln, v, pos, &operand2, flags)) - return(0); + return 0; if (flags & ROFFNUM_WHITE) while (isspace((unsigned char)v[*pos])) @@ -2485,7 +2807,7 @@ roff_evalnum(struct roff *r, int ln, const char *v, case '/': if (operand2 == 0) { mandoc_msg(MANDOCERR_DIVZERO, - r->parse, ln, *pos, v); + ln, *pos, "%s", v); *res = 0; break; } @@ -2494,7 +2816,7 @@ roff_evalnum(struct roff *r, int ln, const char *v, case '%': if (operand2 == 0) { mandoc_msg(MANDOCERR_DIVZERO, - r->parse, ln, *pos, v); + ln, *pos, "%s", v); *res = 0; break; } @@ -2536,7 +2858,7 @@ roff_evalnum(struct roff *r, int ln, const char *v, abort(); } } - return(1); + return 1; } /* --- register management ------------------------------------------------ */ @@ -2544,20 +2866,29 @@ roff_evalnum(struct roff *r, int ln, const char *v, void roff_setreg(struct roff *r, const char *name, int val, char sign) { + roff_setregn(r, name, strlen(name), val, sign, INT_MIN); +} + +static void +roff_setregn(struct roff *r, const char *name, size_t len, + int val, char sign, int step) +{ struct roffreg *reg; /* Search for an existing register with the same name. */ reg = r->regtab; - while (reg && strcmp(name, reg->key.p)) + while (reg != NULL && (reg->key.sz != len || + strncmp(reg->key.p, name, len) != 0)) reg = reg->next; if (NULL == reg) { /* Create a new register. */ reg = mandoc_malloc(sizeof(struct roffreg)); - reg->key.p = mandoc_strdup(name); - reg->key.sz = strlen(name); + reg->key.p = mandoc_strndup(name, len); + reg->key.sz = len; reg->val = 0; + reg->step = 0; reg->next = r->regtab; r->regtab = reg; } @@ -2568,6 +2899,8 @@ roff_setreg(struct roff *r, const char *name, int val, reg->val -= val; else reg->val = val; + if (step != INT_MIN) + reg->step = step; } /* @@ -2582,45 +2915,32 @@ roff_getregro(const struct roff *r, const char *name) switch (*name) { case '$': /* Number of arguments of the last macro evaluated. */ - return(r->argc); + return r->mstackpos < 0 ? 0 : r->mstack[r->mstackpos].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 -roff_getreg(const struct roff *r, const char *name) +roff_getreg(struct roff *r, const char *name) { - struct roffreg *reg; - int val; - - if ('.' == name[0] && '\0' != name[1] && '\0' == name[2]) { - val = roff_getregro(r, name + 1); - if (-1 != val) - return (val); - } - - for (reg = r->regtab; reg; reg = reg->next) - if (0 == strcmp(name, reg->key.p)) - return(reg->val); - - return(0); + return roff_getregn(r, name, strlen(name), '\0'); } static int -roff_getregn(const struct roff *r, const char *name, size_t len) +roff_getregn(struct roff *r, const char *name, size_t len, char sign) { struct roffreg *reg; int val; @@ -2628,15 +2948,28 @@ roff_getregn(const struct roff *r, const char *name, s if ('.' == name[0] && 2 == len) { val = roff_getregro(r, name + 1); if (-1 != val) - return (val); + return val; } - for (reg = r->regtab; reg; reg = reg->next) + for (reg = r->regtab; reg; reg = reg->next) { if (len == reg->key.sz && - 0 == strncmp(name, reg->key.p, len)) - return(reg->val); + 0 == strncmp(name, reg->key.p, len)) { + switch (sign) { + case '+': + reg->val += reg->step; + break; + case '-': + reg->val -= reg->step; + break; + default: + break; + } + return reg->val; + } + } - return(0); + roff_setregn(r, name, len, 0, '\0', INT_MIN); + return 0; } static int @@ -2648,15 +2981,15 @@ roff_hasregn(const struct roff *r, const char *name, s if ('.' == name[0] && 2 == len) { val = roff_getregro(r, name + 1); if (-1 != val) - return(1); + return 1; } for (reg = r->regtab; reg; reg = reg->next) if (len == reg->key.sz && 0 == strncmp(name, reg->key.p, len)) - return(1); + return 1; - return(0); + return 0; } static void @@ -2672,34 +3005,41 @@ roff_freereg(struct roffreg *reg) } } -static enum rofferr +static int roff_nr(ROFF_ARGS) { - char *key, *val; + char *key, *val, *step; size_t keysz; - int iv; + int iv, is, len; char sign; key = val = buf->buf + pos; if (*key == '\0') - return(ROFF_IGN); + return ROFF_IGN; keysz = roff_getname(r, &val, ln, pos); if (key[keysz] == '\\') - return(ROFF_IGN); - key[keysz] = '\0'; + return ROFF_IGN; sign = *val; if (sign == '+' || sign == '-') val++; - if (roff_evalnum(r, ln, val, NULL, &iv, ROFFNUM_SCALE)) - roff_setreg(r, key, iv, sign); + len = 0; + if (roff_evalnum(r, ln, val, &len, &iv, ROFFNUM_SCALE) == 0) + return ROFF_IGN; - return(ROFF_IGN); + step = val + len; + while (isspace((unsigned char)*step)) + step++; + if (roff_evalnum(r, ln, step, NULL, &is, 0) == 0) + is = INT_MIN; + + roff_setregn(r, key, keysz, iv, sign, is); + return ROFF_IGN; } -static enum rofferr +static int roff_rr(ROFF_ARGS) { struct roffreg *reg, **prev; @@ -2708,7 +3048,7 @@ roff_rr(ROFF_ARGS) name = cp = buf->buf + pos; if (*name == '\0') - return(ROFF_IGN); + return ROFF_IGN; namesz = roff_getname(r, &cp, ln, pos); name[namesz] = '\0'; @@ -2724,12 +3064,12 @@ roff_rr(ROFF_ARGS) free(reg->key.p); free(reg); } - return(ROFF_IGN); + return ROFF_IGN; } /* --- handler functions for roff requests -------------------------------- */ -static enum rofferr +static int roff_rm(ROFF_ARGS) { const char *name; @@ -2741,13 +3081,14 @@ roff_rm(ROFF_ARGS) name = cp; namesz = roff_getname(r, &cp, ln, (int)(cp - buf->buf)); roff_setstrn(&r->strtab, name, namesz, NULL, 0, 0); + roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); if (name[namesz] == '\\') break; } - return(ROFF_IGN); + return ROFF_IGN; } -static enum rofferr +static int roff_it(ROFF_ARGS) { int iv; @@ -2755,9 +3096,9 @@ roff_it(ROFF_ARGS) /* Parse the number of lines. */ 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); + mandoc_msg(MANDOCERR_IT_NONUM, + ln, ppos, "%s", buf->buf + 1); + return ROFF_IGN; } while (isspace((unsigned char)buf->buf[pos])) @@ -2773,72 +3114,74 @@ roff_it(ROFF_ARGS) roffit_macro = mandoc_strdup(iv != 1 || strcmp(buf->buf + pos, "an-trap") ? buf->buf + pos : "br"); - return(ROFF_IGN); + return ROFF_IGN; } -static enum rofferr +static int roff_Dd(ROFF_ARGS) { - const char *const *cp; + int mask; + enum roff_tok t, te; - if ((r->options & (MPARSE_MDOC | MPARSE_QUICK)) == 0) - for (cp = __mdoc_reserved; *cp; cp++) - roff_setstr(r, *cp, NULL, 0); - - if (r->format == 0) - r->format = MPARSE_MDOC; - - return(ROFF_CONT); + switch (tok) { + case ROFF_Dd: + tok = MDOC_Dd; + te = MDOC_MAX; + if (r->format == 0) + r->format = MPARSE_MDOC; + mask = MPARSE_MDOC | MPARSE_QUICK; + break; + case ROFF_TH: + tok = MAN_TH; + te = MAN_MAX; + if (r->format == 0) + r->format = MPARSE_MAN; + mask = MPARSE_QUICK; + break; + default: + abort(); + } + if ((r->options & mask) == 0) + for (t = tok; t < te; t++) + roff_setstr(r, roff_name[t], NULL, 0); + return ROFF_CONT; } -static enum rofferr -roff_TH(ROFF_ARGS) -{ - const char *const *cp; - - if ((r->options & MPARSE_QUICK) == 0) - for (cp = __man_reserved; *cp; cp++) - roff_setstr(r, *cp, NULL, 0); - - if (r->format == 0) - r->format = MPARSE_MAN; - - return(ROFF_CONT); -} - -static enum rofferr +static int roff_TE(ROFF_ARGS) { - - if (NULL == r->tbl) - mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, - ln, ppos, "TE"); - else if ( ! tbl_end(&r->tbl)) { + if (r->tbl == NULL) { + mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "TE"); + return ROFF_IGN; + } + if (tbl_end(r->tbl, 0) == 0) { + r->tbl = NULL; free(buf->buf); buf->buf = mandoc_strdup(".sp"); buf->sz = 4; - return(ROFF_REPARSE); + *offs = 0; + return ROFF_REPARSE; } - return(ROFF_IGN); + r->tbl = NULL; + return ROFF_IGN; } -static enum rofferr +static int roff_T_(ROFF_ARGS) { if (NULL == r->tbl) - mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, - ln, ppos, "T&"); + mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "T&"); else - tbl_restart(ppos, ln, r->tbl); + tbl_restart(ln, ppos, r->tbl); - return(ROFF_IGN); + return ROFF_IGN; } /* * Handle in-line equation delimiters. */ -static enum rofferr +static int roff_eqndelim(struct roff *r, struct buf *buf, int pos) { char *cp1, *cp2; @@ -2855,7 +3198,7 @@ roff_eqndelim(struct roff *r, struct buf *buf, int pos 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 = ""; @@ -2898,73 +3241,191 @@ roff_eqndelim(struct roff *r, struct buf *buf, int pos /* Toggle the in-line state of the eqn subsystem. */ r->eqn_inline = r->eqn == NULL; - return(ROFF_REPARSE); + return ROFF_REPARSE; } -static enum rofferr +static int roff_EQ(ROFF_ARGS) { - struct eqn_node *e; + struct roff_node *n; + if (r->man->macroset == MACROSET_MAN) + man_breakscope(r->man, ROFF_EQ); + n = roff_node_alloc(r->man, ln, ppos, ROFFT_EQN, TOKEN_NONE); + if (ln > r->man->last->line) + n->flags |= NODE_LINE; + n->eqn = eqn_box_new(); + roff_node_append(r->man, n); + r->man->next = ROFF_NEXT_SIBLING; + assert(r->eqn == NULL); - e = eqn_alloc(ppos, ln, r->parse); + if (r->last_eqn == NULL) + r->last_eqn = eqn_alloc(); + else + eqn_reset(r->last_eqn); + r->eqn = r->last_eqn; + r->eqn->node = n; - if (r->last_eqn) { - r->last_eqn->next = e; - e->delim = r->last_eqn->delim; - e->odelim = r->last_eqn->odelim; - e->cdelim = r->last_eqn->cdelim; - } else - r->first_eqn = r->last_eqn = e; - - r->eqn = r->last_eqn = e; - if (buf->buf[pos] != '\0') - mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, + mandoc_msg(MANDOCERR_ARG_SKIP, ln, pos, ".EQ %s", buf->buf + pos); - return(ROFF_IGN); + return ROFF_IGN; } -static enum rofferr +static int roff_EN(ROFF_ARGS) { - - mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN"); - return(ROFF_IGN); + if (r->eqn != NULL) { + eqn_parse(r->eqn); + r->eqn = NULL; + } else + mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "EN"); + if (buf->buf[pos] != '\0') + mandoc_msg(MANDOCERR_ARG_SKIP, ln, pos, + "EN %s", buf->buf + pos); + return ROFF_IGN; } -static enum rofferr +static int roff_TS(ROFF_ARGS) { - struct tbl_node *tbl; + if (r->tbl != NULL) { + mandoc_msg(MANDOCERR_BLK_BROKEN, ln, ppos, "TS breaks TS"); + tbl_end(r->tbl, 0); + } + r->tbl = tbl_alloc(ppos, ln, r->last_tbl); + if (r->last_tbl == NULL) + r->first_tbl = r->tbl; + r->last_tbl = r->tbl; + return ROFF_IGN; +} - if (r->tbl) { - mandoc_msg(MANDOCERR_BLK_BROKEN, r->parse, - ln, ppos, "TS breaks TS"); - tbl_end(&r->tbl); +static int +roff_onearg(ROFF_ARGS) +{ + struct roff_node *n; + char *cp; + int npos; + + if (r->man->flags & (MAN_BLINE | MAN_ELINE) && + (tok == ROFF_ce || tok == ROFF_rj || tok == ROFF_sp || + tok == ROFF_ti)) + man_breakscope(r->man, tok); + + if (roffce_node != NULL && (tok == ROFF_ce || tok == ROFF_rj)) { + r->man->last = roffce_node; + r->man->next = ROFF_NEXT_SIBLING; } - tbl = tbl_alloc(ppos, ln, r->parse); + roff_elem_alloc(r->man, ln, ppos, tok); + n = r->man->last; - if (r->last_tbl) - r->last_tbl->next = tbl; - else - r->first_tbl = r->last_tbl = tbl; + cp = buf->buf + pos; + if (*cp != '\0') { + while (*cp != '\0' && *cp != ' ') + cp++; + while (*cp == ' ') + *cp++ = '\0'; + if (*cp != '\0') + mandoc_msg(MANDOCERR_ARG_EXCESS, + ln, (int)(cp - buf->buf), + "%s ... %s", roff_name[tok], cp); + roff_word_alloc(r->man, ln, pos, buf->buf + pos); + } - r->tbl = r->last_tbl = tbl; - return(ROFF_IGN); + if (tok == ROFF_ce || tok == ROFF_rj) { + if (r->man->last->type == ROFFT_ELEM) { + roff_word_alloc(r->man, ln, pos, "1"); + r->man->last->flags |= NODE_NOSRC; + } + npos = 0; + if (roff_evalnum(r, ln, r->man->last->string, &npos, + &roffce_lines, 0) == 0) { + mandoc_msg(MANDOCERR_CE_NONUM, + 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_brp(ROFF_ARGS) +static int +roff_manyarg(ROFF_ARGS) { + struct roff_node *n; + char *sp, *ep; - buf->buf[pos - 1] = '\0'; - return(ROFF_CONT); + 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 +static int +roff_als(ROFF_ARGS) +{ + char *oldn, *newn, *end, *value; + size_t oldsz, newsz, valsz; + + newn = oldn = buf->buf + pos; + if (*newn == '\0') + return ROFF_IGN; + + newsz = roff_getname(r, &oldn, ln, pos); + if (newn[newsz] == '\\' || *oldn == '\0') + return ROFF_IGN; + + end = oldn; + oldsz = roff_getname(r, &end, ln, oldn - buf->buf); + if (oldsz == 0) + return ROFF_IGN; + + valsz = mandoc_asprintf(&value, ".%.*s \\$@\\\"\n", + (int)oldsz, oldn); + roff_setstrn(&r->strtab, newn, newsz, value, valsz, 0); + roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); + free(value); + return ROFF_IGN; +} + +static int +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_msg(MANDOCERR_ARG_SKIP, 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 int roff_cc(ROFF_ARGS) { const char *p; @@ -2972,16 +3433,122 @@ roff_cc(ROFF_ARGS) p = buf->buf + pos; if (*p == '\0' || (r->control = *p++) == '.') - r->control = 0; + r->control = '\0'; if (*p != '\0') - mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, + mandoc_msg(MANDOCERR_ARG_EXCESS, ln, p - buf->buf, "cc ... %s", p); - return(ROFF_IGN); + return ROFF_IGN; } -static enum rofferr +static int +roff_char(ROFF_ARGS) +{ + const char *p, *kp, *vp; + size_t ksz, vsz; + int font; + + /* Parse the character to be replaced. */ + + kp = buf->buf + pos; + p = kp + 1; + if (*kp == '\0' || (*kp == '\\' && + mandoc_escape(&p, NULL, NULL) != ESCAPE_SPECIAL) || + (*p != ' ' && *p != '\0')) { + mandoc_msg(MANDOCERR_CHAR_ARG, ln, pos, "char %s", kp); + return ROFF_IGN; + } + ksz = p - kp; + while (*p == ' ') + p++; + + /* + * If the replacement string contains a font escape sequence, + * we have to restore the font at the end. + */ + + vp = p; + vsz = strlen(p); + font = 0; + while (*p != '\0') { + if (*p++ != '\\') + continue; + switch (mandoc_escape(&p, NULL, NULL)) { + case ESCAPE_FONT: + case ESCAPE_FONTROMAN: + case ESCAPE_FONTITALIC: + case ESCAPE_FONTBOLD: + case ESCAPE_FONTBI: + case ESCAPE_FONTCW: + case ESCAPE_FONTPREV: + font++; + break; + default: + break; + } + } + if (font > 1) + mandoc_msg(MANDOCERR_CHAR_FONT, + ln, (int)(vp - buf->buf), "%s", vp); + + /* + * Approximate the effect of .char using the .tr tables. + * XXX In groff, .char and .tr interact differently. + */ + + if (ksz == 1) { + if (r->xtab == NULL) + r->xtab = mandoc_calloc(128, sizeof(*r->xtab)); + assert((unsigned int)*kp < 128); + free(r->xtab[(int)*kp].p); + r->xtab[(int)*kp].sz = mandoc_asprintf(&r->xtab[(int)*kp].p, + "%s%s", vp, font ? "\fP" : ""); + } else { + roff_setstrn(&r->xmbtab, kp, ksz, vp, vsz, 0); + if (font) + roff_setstrn(&r->xmbtab, kp, ksz, "\\fP", 3, 1); + } + return ROFF_IGN; +} + +static int +roff_ec(ROFF_ARGS) +{ + const char *p; + + p = buf->buf + pos; + if (*p == '\0') + r->escape = '\\'; + else { + r->escape = *p; + if (*++p != '\0') + mandoc_msg(MANDOCERR_ARG_EXCESS, ln, + (int)(p - buf->buf), "ec ... %s", p); + } + return ROFF_IGN; +} + +static int +roff_eo(ROFF_ARGS) +{ + r->escape = '\0'; + if (buf->buf[pos] != '\0') + mandoc_msg(MANDOCERR_ARG_SKIP, + ln, pos, "eo %s", buf->buf + pos); + return ROFF_IGN; +} + +static int +roff_nop(ROFF_ARGS) +{ + while (buf->buf[pos] == ' ') + pos++; + *offs = pos; + return ROFF_RERUN; +} + +static int roff_tr(ROFF_ARGS) { const char *p, *first, *second; @@ -2991,8 +3558,8 @@ roff_tr(ROFF_ARGS) p = buf->buf + pos; if (*p == '\0') { - mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, ln, ppos, "tr"); - return(ROFF_IGN); + mandoc_msg(MANDOCERR_REQ_EMPTY, ln, ppos, "tr"); + return ROFF_IGN; } while (*p != '\0') { @@ -3002,9 +3569,9 @@ roff_tr(ROFF_ARGS) if (*first == '\\') { esc = mandoc_escape(&p, NULL, NULL); if (esc == ESCAPE_ERROR) { - mandoc_msg(MANDOCERR_ESC_BAD, r->parse, - ln, (int)(p - buf->buf), first); - return(ROFF_IGN); + mandoc_msg(MANDOCERR_ESC_BAD, ln, + (int)(p - buf->buf), "%s", first); + return ROFF_IGN; } fsz = (size_t)(p - first); } @@ -3013,14 +3580,14 @@ roff_tr(ROFF_ARGS) if (*second == '\\') { esc = mandoc_escape(&p, NULL, NULL); if (esc == ESCAPE_ERROR) { - mandoc_msg(MANDOCERR_ESC_BAD, r->parse, - ln, (int)(p - buf->buf), second); - return(ROFF_IGN); + mandoc_msg(MANDOCERR_ESC_BAD, ln, + (int)(p - buf->buf), "%s", second); + return ROFF_IGN; } ssz = (size_t)(p - second); } else if (*second == '\0') { - mandoc_vmsg(MANDOCERR_TR_ODD, r->parse, - ln, first - buf->buf, "tr %s", first); + mandoc_msg(MANDOCERR_TR_ODD, ln, + (int)(first - buf->buf), "tr %s", first); second = " "; p--; } @@ -3040,16 +3607,115 @@ roff_tr(ROFF_ARGS) r->xtab[(int)*first].sz = ssz; } - return(ROFF_IGN); + return ROFF_IGN; } -static enum rofferr +/* + * Implementation of the .return request. + * There is no need to call roff_userret() from here. + * The read module will call that after rewinding the reader stack + * to the place from where the current macro was called. + */ +static int +roff_return(ROFF_ARGS) +{ + if (r->mstackpos >= 0) + return ROFF_IGN | ROFF_USERRET; + + mandoc_msg(MANDOCERR_REQ_NOMAC, ln, ppos, "return"); + return ROFF_IGN; +} + +static int +roff_rn(ROFF_ARGS) +{ + const char *value; + char *oldn, *newn, *end; + size_t oldsz, newsz; + int deftype; + + oldn = newn = buf->buf + pos; + if (*oldn == '\0') + return ROFF_IGN; + + oldsz = roff_getname(r, &newn, ln, pos); + if (oldn[oldsz] == '\\' || *newn == '\0') + return ROFF_IGN; + + end = newn; + newsz = roff_getname(r, &end, ln, newn - buf->buf); + if (newsz == 0) + return ROFF_IGN; + + deftype = ROFFDEF_ANY; + value = roff_getstrn(r, oldn, oldsz, &deftype); + switch (deftype) { + case ROFFDEF_USER: + roff_setstrn(&r->strtab, newn, newsz, value, strlen(value), 0); + roff_setstrn(&r->strtab, oldn, oldsz, NULL, 0, 0); + roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); + break; + case ROFFDEF_PRE: + roff_setstrn(&r->strtab, newn, newsz, value, strlen(value), 0); + roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); + break; + case ROFFDEF_REN: + roff_setstrn(&r->rentab, newn, newsz, value, strlen(value), 0); + roff_setstrn(&r->rentab, oldn, oldsz, NULL, 0, 0); + roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0); + break; + case ROFFDEF_STD: + roff_setstrn(&r->rentab, newn, newsz, oldn, oldsz, 0); + roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0); + break; + default: + roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0); + roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); + break; + } + return ROFF_IGN; +} + +static int +roff_shift(ROFF_ARGS) +{ + struct mctx *ctx; + int levels, i; + + levels = 1; + if (buf->buf[pos] != '\0' && + roff_evalnum(r, ln, buf->buf, &pos, &levels, 0) == 0) { + mandoc_msg(MANDOCERR_CE_NONUM, + ln, pos, "shift %s", buf->buf + pos); + levels = 1; + } + if (r->mstackpos < 0) { + mandoc_msg(MANDOCERR_REQ_NOMAC, ln, ppos, "shift"); + return ROFF_IGN; + } + ctx = r->mstack + r->mstackpos; + if (levels > ctx->argc) { + mandoc_msg(MANDOCERR_SHIFT, + ln, pos, "%d, but max is %d", levels, ctx->argc); + levels = ctx->argc; + } + if (levels == 0) + return ROFF_IGN; + for (i = 0; i < levels; i++) + free(ctx->argv[i]); + ctx->argc -= levels; + for (i = 0; i < ctx->argc; i++) + ctx->argv[i] = ctx->argv[i + levels]; + return ROFF_IGN; +} + +static int roff_so(ROFF_ARGS) { char *name, *cp; name = buf->buf + pos; - mandoc_vmsg(MANDOCERR_SO, r->parse, ln, ppos, "so %s", name); + mandoc_msg(MANDOCERR_SO, ln, ppos, "so %s", name); /* * Handle `so'. Be EXTREMELY careful, as we shouldn't be @@ -3059,147 +3725,93 @@ roff_so(ROFF_ARGS) */ if (*name == '/' || strstr(name, "../") || strstr(name, "/..")) { - mandoc_vmsg(MANDOCERR_SO_PATH, r->parse, ln, ppos, - ".so %s", name); + mandoc_msg(MANDOCERR_SO_PATH, ln, ppos, ".so %s", name); 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); + return ROFF_REPARSE; } *offs = pos; - return(ROFF_SO); + return ROFF_SO; } /* --- user defined strings and macros ------------------------------------ */ -static enum rofferr +static int roff_userdef(ROFF_ARGS) { - const char *arg[9], *ap; - char *cp, *n1, *n2; - int i, ib, ie; - size_t asz, rsz; + struct mctx *ctx; + char *arg, *ap, *dst, *src; + size_t sz; - /* - * Collect pointers to macro argument strings - * and NUL-terminate them. - */ + /* Initialize a new macro stack context. */ - r->argc = 0; - cp = buf->buf + pos; - for (i = 0; i < 9; i++) { - if (*cp == '\0') - arg[i] = ""; - else { - arg[i] = mandoc_getarg(r->parse, &cp, ln, &pos); - r->argc = i + 1; - } + if (++r->mstackpos == r->mstacksz) { + r->mstack = mandoc_recallocarray(r->mstack, + r->mstacksz, r->mstacksz + 8, sizeof(*r->mstack)); + r->mstacksz += 8; } + ctx = r->mstack + r->mstackpos; + ctx->argsz = 0; + ctx->argc = 0; + ctx->argv = NULL; /* - * Expand macro arguments. + * Collect pointers to macro argument strings, + * NUL-terminating them and escaping quotes. */ - buf->sz = strlen(r->current_string) + 1; - n1 = cp = mandoc_malloc(buf->sz); - memcpy(n1, r->current_string, buf->sz); - 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; + src = buf->buf + pos; + while (*src != '\0') { + if (ctx->argc == ctx->argsz) { + ctx->argsz += 8; + ctx->argv = mandoc_reallocarray(ctx->argv, + ctx->argsz, sizeof(*ctx->argv)); } - cp -= 2; - - /* - * 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; - } + arg = mandoc_getarg(&src, ln, &pos); + sz = 1; /* For the terminating NUL. */ + for (ap = arg; *ap != '\0'; ap++) + sz += *ap == '"' ? 4 : 1; + ctx->argv[ctx->argc++] = dst = mandoc_malloc(sz); + for (ap = arg; *ap != '\0'; ap++) { + if (*ap == '"') { + memcpy(dst, "\\(dq", 4); + dst += 4; + } else + *dst++ = *ap; } - if (asz != 3) { + *dst = '\0'; + } - /* - * Determine the size of the rest of the - * unexpanded macro, including the NUL. - */ + /* Replace the macro invocation by the macro definition. */ - rsz = buf->sz - (cp - n1) - 3; + free(buf->buf); + buf->buf = mandoc_strdup(r->current_string); + buf->sz = strlen(buf->buf) + 1; + *offs = 0; - /* - * When shrinking, move before - * releasing the storage. - */ + return buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ? + ROFF_REPARSE | ROFF_USERCALL : ROFF_IGN | ROFF_APPEND; +} - if (asz < 3) - memmove(cp + asz, cp + 3, rsz); +/* + * Calling a high-level macro that was renamed with .rn. + * r->current_string has already been set up by roff_parse(). + */ +static int +roff_renamed(ROFF_ARGS) +{ + char *nbuf; - /* - * Resize the storage for the macro - * and readjust the parse pointer. - */ - - buf->sz += asz - 3; - n2 = mandoc_realloc(n1, buf->sz); - cp = n2 + (cp - n1); - n1 = n2; - - /* - * When growing, make room - * for the expanded argument. - */ - - if (asz > 3) - memmove(cp + asz, cp + 3, rsz); - } - - /* Copy the expanded argument, escaping quotes. */ - - n2 = cp; - for (i = ib; i <= ie; i++) { - for (ap = arg[i]; *ap != '\0'; ap++) { - if (*ap == '"') { - memcpy(n2, "\\(dq", 4); - n2 += 4; - } else - *n2++ = *ap; - } - if (i < ie) - *n2++ = ' '; - } - } - - /* - * Replace the macro invocation - * by the expanded macro. - */ - + buf->sz = mandoc_asprintf(&nbuf, ".%s%s%s", r->current_string, + buf->buf[pos] == '\0' ? "" : " ", buf->buf + pos) + 1; free(buf->buf); - buf->buf = n1; + buf->buf = nbuf; *offs = 0; - - return(buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ? - ROFF_REPARSE : ROFF_APPEND); + return ROFF_CONT; } static size_t @@ -3210,7 +3822,7 @@ roff_getname(struct roff *r, char **cpp, int ln, int p name = *cpp; if ('\0' == *name) - return(0); + return 0; /* Read until end of name and terminate it with NUL. */ for (cp = name; 1; cp++) { @@ -3226,7 +3838,7 @@ roff_getname(struct roff *r, char **cpp, int ln, int p cp++; if ('\\' == *cp) continue; - mandoc_vmsg(MANDOCERR_NAMESC, r->parse, ln, pos, + mandoc_msg(MANDOCERR_NAMESC, ln, pos, "%.*s", (int)(cp - name + 1), name); mandoc_escape((const char **)&cp, NULL, NULL); break; @@ -3237,7 +3849,7 @@ roff_getname(struct roff *r, char **cpp, int ln, int p cp++; *cpp = cp; - return(namesz); + return namesz; } /* @@ -3251,9 +3863,12 @@ static void roff_setstr(struct roff *r, const char *name, const char *string, int append) { + size_t namesz; - roff_setstrn(&r->strtab, name, strlen(name), string, + namesz = strlen(name); + roff_setstrn(&r->strtab, name, namesz, string, string ? strlen(string) : 0, append); + roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); } static void @@ -3329,22 +3944,97 @@ roff_setstrn(struct roffkv **r, const char *name, size } static const char * -roff_getstrn(const struct roff *r, const char *name, size_t len) +roff_getstrn(struct roff *r, const char *name, size_t len, + int *deftype) { - const struct roffkv *n; - int i; + const struct roffkv *n; + int found, i; + enum roff_tok tok; - for (n = r->strtab; n; n = n->next) - if (0 == strncmp(name, n->key.p, len) && - '\0' == n->key.p[(int)len]) - return(n->val.p); + found = 0; + for (n = r->strtab; n != NULL; n = n->next) { + if (strncmp(name, n->key.p, len) != 0 || + n->key.p[len] != '\0' || n->val.p == NULL) + continue; + if (*deftype & ROFFDEF_USER) { + *deftype = ROFFDEF_USER; + return n->val.p; + } else { + found = 1; + break; + } + } + for (n = r->rentab; n != NULL; n = n->next) { + if (strncmp(name, n->key.p, len) != 0 || + n->key.p[len] != '\0' || n->val.p == NULL) + continue; + if (*deftype & ROFFDEF_REN) { + *deftype = ROFFDEF_REN; + return n->val.p; + } else { + found = 1; + break; + } + } + for (i = 0; i < PREDEFS_MAX; i++) { + if (strncmp(name, predefs[i].name, len) != 0 || + predefs[i].name[len] != '\0') + continue; + if (*deftype & ROFFDEF_PRE) { + *deftype = ROFFDEF_PRE; + return predefs[i].str; + } else { + found = 1; + break; + } + } + if (r->man->macroset != MACROSET_MAN) { + for (tok = MDOC_Dd; tok < MDOC_MAX; tok++) { + if (strncmp(name, roff_name[tok], len) != 0 || + roff_name[tok][len] != '\0') + continue; + if (*deftype & ROFFDEF_STD) { + *deftype = ROFFDEF_STD; + return NULL; + } else { + found = 1; + break; + } + } + } + if (r->man->macroset != MACROSET_MDOC) { + for (tok = MAN_TH; tok < MAN_MAX; tok++) { + if (strncmp(name, roff_name[tok], len) != 0 || + roff_name[tok][len] != '\0') + continue; + if (*deftype & ROFFDEF_STD) { + *deftype = ROFFDEF_STD; + return NULL; + } else { + found = 1; + break; + } + } + } - 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); + if (found == 0 && *deftype != ROFFDEF_ANY) { + if (*deftype & ROFFDEF_REN) { + /* + * This might still be a request, + * so do not treat it as undefined yet. + */ + *deftype = ROFFDEF_UNDEF; + return NULL; + } - return(NULL); + /* Using an undefined string defines it to be empty. */ + + roff_setstrn(&r->strtab, name, len, "", 0, 0); + roff_setstrn(&r->rentab, name, len, NULL, 0, 0); + } + + *deftype = 0; + return NULL; } static void @@ -3362,20 +4052,6 @@ roff_freestr(struct roffkv *r) /* --- accessors and utility functions ------------------------------------ */ -const struct tbl_span * -roff_span(const struct roff *r) -{ - - return(r->tbl ? tbl_span(r->tbl) : NULL); -} - -const struct eqn * -roff_eqn(const struct roff *r) -{ - - return(r->last_eqn ? &r->last_eqn->eqn : NULL); -} - /* * Duplicate an input string, making the appropriate character * conversations (as stipulated by `tr') along the way. @@ -3391,9 +4067,9 @@ roff_strdup(const struct roff *r, const char *p) 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 @@ -3407,7 +4083,8 @@ roff_strdup(const struct roff *r, const char *p) 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); @@ -3465,14 +4142,14 @@ roff_strdup(const struct roff *r, const char *p) } res[(int)ssz] = '\0'; - return(res); + return res; } int roff_getformat(const struct roff *r) { - return(r->format); + return r->format; } /* @@ -3492,20 +4169,20 @@ roff_getcontrol(const struct roff *r, const char *cp, pos = *ppos; - if (0 != r->control && cp[pos] == r->control) + if (r->control != '\0' && cp[pos] == r->control) pos++; - else if (0 != r->control) - 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; }