version 1.94, 2010/09/26 20:22:28 |
version 1.235, 2022/04/14 16:43:44 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2012-2021 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
* copyright notice and this permission notice appear in all copies. |
* copyright notice and this permission notice appear in all copies. |
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
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#include "config.h" |
#include "config.h" |
#endif |
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#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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#include <string.h> |
#include <string.h> |
#include <time.h> |
#include <time.h> |
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#if DEBUG_MEMORY |
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#include "mandoc_dbg.h" |
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#endif |
#include "mandoc.h" |
#include "mandoc.h" |
#include "libmdoc.h" |
#include "roff.h" |
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#include "mdoc.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#include "roff_int.h" |
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#include "libmdoc.h" |
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enum rew { /* see rew_dohalt() */ |
static void blk_full(MACRO_PROT_ARGS); |
REWIND_NONE, |
static void blk_exp_close(MACRO_PROT_ARGS); |
REWIND_THIS, |
static void blk_part_exp(MACRO_PROT_ARGS); |
REWIND_MORE, |
static void blk_part_imp(MACRO_PROT_ARGS); |
REWIND_LATER, |
static void ctx_synopsis(MACRO_PROT_ARGS); |
REWIND_ERROR |
static void in_line_eoln(MACRO_PROT_ARGS); |
}; |
static void in_line_argn(MACRO_PROT_ARGS); |
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static void in_line(MACRO_PROT_ARGS); |
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static void phrase_ta(MACRO_PROT_ARGS); |
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static int blk_full(MACRO_PROT_ARGS); |
static void append_delims(struct roff_man *, int, int *, char *); |
static int blk_exp_close(MACRO_PROT_ARGS); |
static void dword(struct roff_man *, int, int, const char *, |
static int blk_part_exp(MACRO_PROT_ARGS); |
enum mdelim, int); |
static int blk_part_imp(MACRO_PROT_ARGS); |
static int find_pending(struct roff_man *, enum roff_tok, |
static int ctx_synopsis(MACRO_PROT_ARGS); |
int, int, struct roff_node *); |
static int in_line_eoln(MACRO_PROT_ARGS); |
static int lookup(struct roff_man *, int, int, int, const char *); |
static int in_line_argn(MACRO_PROT_ARGS); |
static int macro_or_word(MACRO_PROT_ARGS, char *, int); |
static int in_line(MACRO_PROT_ARGS); |
static void break_intermediate(struct roff_node *, |
static int obsolete(MACRO_PROT_ARGS); |
struct roff_node *); |
static int phrase_ta(MACRO_PROT_ARGS); |
static int parse_rest(struct roff_man *, enum roff_tok, |
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static int append_delims(struct mdoc *, |
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int, int *, char *); |
int, int *, char *); |
static enum mdoct lookup(enum mdoct, const char *); |
static enum roff_tok rew_alt(enum roff_tok); |
static enum mdoct lookup_raw(const char *); |
static void rew_elem(struct roff_man *, enum roff_tok); |
static int make_pending(struct mdoc_node *, enum mdoct, |
static void rew_last(struct roff_man *, const struct roff_node *); |
struct mdoc *, int, int); |
static void rew_pending(struct roff_man *, |
static int phrase(struct mdoc *, int, int, char *); |
const struct roff_node *); |
static enum mdoct rew_alt(enum mdoct); |
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static enum rew rew_dohalt(enum mdoct, enum mdoc_type, |
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const struct mdoc_node *); |
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static int rew_elem(struct mdoc *, enum mdoct); |
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static int rew_last(struct mdoc *, |
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const struct mdoc_node *); |
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static int rew_sub(enum mdoc_type, struct mdoc *, |
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enum mdoct, int, int); |
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const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
static const struct mdoc_macro mdoc_macros[MDOC_MAX - MDOC_Dd] = { |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */ |
{ in_line_eoln, MDOC_PROLOGUE | MDOC_JOIN }, /* Dd */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dd */ |
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{ in_line_eoln, MDOC_PROLOGUE }, /* Dt */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dt */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Os */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Os */ |
{ blk_full, 0 }, /* Sh */ |
{ blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */ |
{ blk_full, 0 }, /* Ss */ |
{ blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */ |
{ in_line_eoln, 0 }, /* Pp */ |
{ in_line_eoln, 0 }, /* Pp */ |
{ blk_part_imp, MDOC_PARSED }, /* D1 */ |
{ blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */ |
{ blk_part_imp, MDOC_PARSED }, /* Dl */ |
{ blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */ |
{ blk_full, MDOC_EXPLICIT }, /* Bd */ |
{ blk_full, MDOC_EXPLICIT }, /* Bd */ |
{ blk_exp_close, MDOC_EXPLICIT }, /* Ed */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */ |
{ blk_full, MDOC_EXPLICIT }, /* Bl */ |
{ blk_full, MDOC_EXPLICIT }, /* Bl */ |
{ blk_exp_close, MDOC_EXPLICIT }, /* El */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */ |
{ blk_full, MDOC_PARSED }, /* It */ |
{ blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* An */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | |
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MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cd */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */ |
{ in_line_eoln, 0 }, /* Ex */ |
{ in_line_eoln, 0 }, /* Ex */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */ |
{ in_line_eoln, 0 }, /* Fd */ |
{ in_line_eoln, 0 }, /* Fd */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Li */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */ |
{ blk_full, 0 }, /* Nd */ |
{ blk_full, MDOC_JOIN }, /* Nd */ |
{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ |
{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ |
{ obsolete, 0 }, /* Ot */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */ |
{ in_line_eoln, 0 }, /* Rv */ |
{ in_line_eoln, 0 }, /* Rv */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */ |
{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ |
{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ |
{ in_line_eoln, 0 }, /* %A */ |
{ in_line_eoln, MDOC_JOIN }, /* %A */ |
{ in_line_eoln, 0 }, /* %B */ |
{ in_line_eoln, MDOC_JOIN }, /* %B */ |
{ in_line_eoln, 0 }, /* %D */ |
{ in_line_eoln, MDOC_JOIN }, /* %D */ |
{ in_line_eoln, 0 }, /* %I */ |
{ in_line_eoln, MDOC_JOIN }, /* %I */ |
{ in_line_eoln, 0 }, /* %J */ |
{ in_line_eoln, MDOC_JOIN }, /* %J */ |
{ in_line_eoln, 0 }, /* %N */ |
{ in_line_eoln, 0 }, /* %N */ |
{ in_line_eoln, 0 }, /* %O */ |
{ in_line_eoln, MDOC_JOIN }, /* %O */ |
{ in_line_eoln, 0 }, /* %P */ |
{ in_line_eoln, 0 }, /* %P */ |
{ in_line_eoln, 0 }, /* %R */ |
{ in_line_eoln, MDOC_JOIN }, /* %R */ |
{ in_line_eoln, 0 }, /* %T */ |
{ in_line_eoln, MDOC_JOIN }, /* %T */ |
{ in_line_eoln, 0 }, /* %V */ |
{ in_line_eoln, 0 }, /* %V */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ac */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ao */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
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MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Bc */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
{ blk_full, MDOC_EXPLICIT }, /* Bf */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bo */ |
{ blk_full, MDOC_EXPLICIT }, /* Bf */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
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MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */ |
{ in_line_eoln, 0 }, /* Db */ |
{ in_line_eoln, 0 }, /* Db */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Dc */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Do */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ec */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Do */ |
{ blk_exp_close, MDOC_EXPLICIT }, /* Ef */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Em */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* No */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | |
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MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
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MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Po */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Qo */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */ |
{ blk_exp_close, MDOC_EXPLICIT }, /* Re */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
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MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */ |
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{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */ |
{ blk_full, MDOC_EXPLICIT }, /* Rs */ |
{ blk_full, MDOC_EXPLICIT }, /* Rs */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Sc */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* So */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
{ in_line_eoln, 0 }, /* Sm */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* So */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */ |
{ in_line_argn, 0 }, /* Sm */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ux */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */ |
{ blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */ |
{ blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Fc */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Oo */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Oc */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
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MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */ |
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{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
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MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */ |
{ blk_full, MDOC_EXPLICIT }, /* Bk */ |
{ blk_full, MDOC_EXPLICIT }, /* Bk */ |
{ blk_exp_close, MDOC_EXPLICIT }, /* Ek */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */ |
{ in_line_eoln, 0 }, /* Bt */ |
{ in_line_eoln, 0 }, /* Bt */ |
{ in_line_eoln, 0 }, /* Hf */ |
{ in_line_eoln, 0 }, /* Hf */ |
{ obsolete, 0 }, /* Fr */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */ |
{ in_line_eoln, 0 }, /* Ud */ |
{ in_line_eoln, 0 }, /* Ud */ |
{ in_line, 0 }, /* Lb */ |
{ in_line, 0 }, /* Lb */ |
{ in_line_eoln, 0 }, /* Lp */ |
{ in_line_eoln, 0 }, /* Lp */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Brq */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bro */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Brc */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */ |
{ in_line_eoln, 0 }, /* %C */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
{ obsolete, 0 }, /* Es */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */ |
{ obsolete, 0 }, /* En */ |
{ in_line_eoln, MDOC_JOIN }, /* %C */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */ |
{ in_line_eoln, 0 }, /* %Q */ |
{ in_line_eoln, MDOC_JOIN }, /* %Q */ |
{ in_line_eoln, 0 }, /* br */ |
|
{ in_line_eoln, 0 }, /* sp */ |
|
{ in_line_eoln, 0 }, /* %U */ |
{ in_line_eoln, 0 }, /* %U */ |
{ phrase_ta, MDOC_CALLABLE | MDOC_PARSED }, /* Ta */ |
{ phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */ |
|
{ in_line_eoln, 0 }, /* Tg */ |
}; |
}; |
|
|
const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
|
|
|
|
const struct mdoc_macro * |
|
mdoc_macro(enum roff_tok tok) |
|
{ |
|
assert(tok >= MDOC_Dd && tok < MDOC_MAX); |
|
return mdoc_macros + (tok - MDOC_Dd); |
|
} |
|
|
/* |
/* |
* This is called at the end of parsing. It must traverse up the tree, |
* This is called at the end of parsing. It must traverse up the tree, |
* closing out open [implicit] scopes. Obviously, open explicit scopes |
* closing out open [implicit] scopes. Obviously, open explicit scopes |
* are errors. |
* are errors. |
*/ |
*/ |
int |
void |
mdoc_macroend(struct mdoc *m) |
mdoc_endparse(struct roff_man *mdoc) |
{ |
{ |
struct mdoc_node *n; |
struct roff_node *n; |
|
|
/* Scan for open explicit scopes. */ |
/* Scan for open explicit scopes. */ |
|
|
n = MDOC_VALID & m->last->flags ? m->last->parent : m->last; |
n = mdoc->last->flags & NODE_VALID ? |
|
mdoc->last->parent : mdoc->last; |
|
|
for ( ; n; n = n->parent) |
for ( ; n; n = n->parent) |
if (MDOC_BLOCK == n->type && |
if (n->type == ROFFT_BLOCK && |
MDOC_EXPLICIT & mdoc_macros[n->tok].flags) |
mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) |
mdoc_nmsg(m, n, MANDOCERR_SCOPEEXIT); |
mandoc_msg(MANDOCERR_BLK_NOEND, |
|
n->line, n->pos, "%s", roff_name[n->tok]); |
|
|
/* Rewind to the first. */ |
/* Rewind to the first. */ |
|
|
return(rew_last(m, m->first)); |
rew_last(mdoc, mdoc->meta.first); |
} |
} |
|
|
|
|
/* |
/* |
* Look up a macro from within a subsequent context. |
* Look up the macro at *p called by "from", |
|
* or as a line macro if from == TOKEN_NONE. |
*/ |
*/ |
static enum mdoct |
static int |
lookup(enum mdoct from, const char *p) |
lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p) |
{ |
{ |
/* FIXME: make -diag lists be un-PARSED. */ |
enum roff_tok res; |
|
|
if ( ! (MDOC_PARSED & mdoc_macros[from].flags)) |
if (mdoc->flags & MDOC_PHRASEQF) { |
return(MDOC_MAX); |
mdoc->flags &= ~MDOC_PHRASEQF; |
return(lookup_raw(p)); |
return TOKEN_NONE; |
|
} |
|
if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) { |
|
res = roffhash_find(mdoc->mdocmac, p, 0); |
|
if (res != TOKEN_NONE) { |
|
if (mdoc_macro(res)->flags & MDOC_CALLABLE) |
|
return res; |
|
mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p); |
|
} |
|
} |
|
return TOKEN_NONE; |
} |
} |
|
|
|
|
/* |
/* |
* Lookup a macro following the initial line macro. |
* Rewind up to and including a specific node. |
*/ |
*/ |
static enum mdoct |
static void |
lookup_raw(const char *p) |
rew_last(struct roff_man *mdoc, const struct roff_node *to) |
{ |
{ |
enum mdoct res; |
|
|
|
if (MDOC_MAX == (res = mdoc_hash_find(p))) |
if (to->flags & NODE_VALID) |
return(MDOC_MAX); |
return; |
if (MDOC_CALLABLE & mdoc_macros[res].flags) |
|
return(res); |
|
return(MDOC_MAX); |
|
} |
|
|
|
|
|
static int |
|
rew_last(struct mdoc *mdoc, const struct mdoc_node *to) |
|
{ |
|
|
|
assert(to); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
|
|
/* LINTED */ |
|
while (mdoc->last != to) { |
while (mdoc->last != to) { |
if ( ! mdoc_valid_post(mdoc)) |
mdoc_state(mdoc, mdoc->last); |
return(0); |
mdoc->last->flags |= NODE_VALID | NODE_ENDED; |
if ( ! mdoc_action_post(mdoc)) |
|
return(0); |
|
mdoc->last = mdoc->last->parent; |
mdoc->last = mdoc->last->parent; |
assert(mdoc->last); |
|
} |
} |
|
mdoc_state(mdoc, mdoc->last); |
if ( ! mdoc_valid_post(mdoc)) |
mdoc->last->flags |= NODE_VALID | NODE_ENDED; |
return(0); |
mdoc->next = ROFF_NEXT_SIBLING; |
return(mdoc_action_post(mdoc)); |
|
} |
} |
|
|
|
|
/* |
/* |
* For a block closing macro, return the corresponding opening one. |
* Rewind up to a specific block, including all blocks that broke it. |
* Otherwise, return the macro itself. |
|
*/ |
*/ |
static enum mdoct |
static void |
rew_alt(enum mdoct tok) |
rew_pending(struct roff_man *mdoc, const struct roff_node *n) |
{ |
{ |
switch (tok) { |
|
case (MDOC_Ac): |
for (;;) { |
return(MDOC_Ao); |
rew_last(mdoc, n); |
case (MDOC_Bc): |
|
return(MDOC_Bo); |
if (mdoc->last == n) { |
case (MDOC_Brc): |
switch (n->type) { |
return(MDOC_Bro); |
case ROFFT_HEAD: |
case (MDOC_Dc): |
roff_body_alloc(mdoc, n->line, n->pos, |
return(MDOC_Do); |
n->tok); |
case (MDOC_Ec): |
if (n->tok == MDOC_Ss) |
return(MDOC_Eo); |
mdoc->flags &= ~ROFF_NONOFILL; |
case (MDOC_Ed): |
break; |
return(MDOC_Bd); |
case ROFFT_BLOCK: |
case (MDOC_Ef): |
break; |
return(MDOC_Bf); |
default: |
case (MDOC_Ek): |
return; |
return(MDOC_Bk); |
} |
case (MDOC_El): |
if ( ! (n->flags & NODE_BROKEN)) |
return(MDOC_Bl); |
return; |
case (MDOC_Fc): |
} else |
return(MDOC_Fo); |
n = mdoc->last; |
case (MDOC_Oc): |
|
return(MDOC_Oo); |
for (;;) { |
case (MDOC_Pc): |
if ((n = n->parent) == NULL) |
return(MDOC_Po); |
return; |
case (MDOC_Qc): |
|
return(MDOC_Qo); |
if (n->type == ROFFT_BLOCK || |
case (MDOC_Re): |
n->type == ROFFT_HEAD) { |
return(MDOC_Rs); |
if (n->flags & NODE_ENDED) |
case (MDOC_Sc): |
break; |
return(MDOC_So); |
else |
case (MDOC_Xc): |
return; |
return(MDOC_Xo); |
} |
default: |
} |
return(tok); |
|
} |
} |
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
/* |
/* |
* Rewinding to tok, how do we have to handle *p? |
* For a block closing macro, return the corresponding opening one. |
* REWIND_NONE: *p would delimit tok, but no tok scope is open |
* Otherwise, return the macro itself. |
* inside *p, so there is no need to rewind anything at all. |
|
* REWIND_THIS: *p matches tok, so rewind *p and nothing else. |
|
* REWIND_MORE: *p is implicit, rewind it and keep searching for tok. |
|
* REWIND_LATER: *p is explicit and still open, postpone rewinding. |
|
* REWIND_ERROR: No tok block is open at all. |
|
*/ |
*/ |
static enum rew |
static enum roff_tok |
rew_dohalt(enum mdoct tok, enum mdoc_type type, |
rew_alt(enum roff_tok tok) |
const struct mdoc_node *p) |
|
{ |
{ |
|
|
/* |
|
* No matching token, no delimiting block, no broken block. |
|
* This can happen when full implicit macros are called for |
|
* the first time but try to rewind their previous |
|
* instance anyway. |
|
*/ |
|
if (MDOC_ROOT == p->type) |
|
return(MDOC_BLOCK == type && |
|
MDOC_EXPLICIT & mdoc_macros[tok].flags ? |
|
REWIND_ERROR : REWIND_NONE); |
|
|
|
/* |
|
* When starting to rewind, skip plain text |
|
* and nodes that have already been rewound. |
|
*/ |
|
if (MDOC_TEXT == p->type || MDOC_VALID & p->flags) |
|
return(REWIND_MORE); |
|
|
|
/* |
|
* The easiest case: Found a matching token. |
|
* This applies to both blocks and elements. |
|
*/ |
|
tok = rew_alt(tok); |
|
if (tok == p->tok) |
|
return(p->end ? REWIND_NONE : |
|
type == p->type ? REWIND_THIS : REWIND_MORE); |
|
|
|
/* |
|
* While elements do require rewinding for themselves, |
|
* they never affect rewinding of other nodes. |
|
*/ |
|
if (MDOC_ELEM == p->type) |
|
return(REWIND_MORE); |
|
|
|
/* |
|
* Blocks delimited by our target token get REWIND_MORE. |
|
* Blocks delimiting our target token get REWIND_NONE. |
|
*/ |
|
switch (tok) { |
switch (tok) { |
case (MDOC_Bl): |
case MDOC_Ac: |
if (MDOC_It == p->tok) |
return MDOC_Ao; |
return(REWIND_MORE); |
case MDOC_Bc: |
break; |
return MDOC_Bo; |
case (MDOC_It): |
case MDOC_Brc: |
if (MDOC_BODY == p->type && MDOC_Bl == p->tok) |
return MDOC_Bro; |
return(REWIND_NONE); |
case MDOC_Dc: |
break; |
return MDOC_Do; |
/* |
case MDOC_Ec: |
* XXX Badly nested block handling still fails badly |
return MDOC_Eo; |
* when one block is breaking two blocks of the same type. |
case MDOC_Ed: |
* This is an incomplete and extremely ugly workaround, |
return MDOC_Bd; |
* required to let the OpenBSD tree build. |
case MDOC_Ef: |
*/ |
return MDOC_Bf; |
case (MDOC_Oo): |
case MDOC_Ek: |
if (MDOC_Op == p->tok) |
return MDOC_Bk; |
return(REWIND_MORE); |
case MDOC_El: |
break; |
return MDOC_Bl; |
case (MDOC_Nm): |
case MDOC_Fc: |
return(REWIND_NONE); |
return MDOC_Fo; |
case (MDOC_Nd): |
case MDOC_Oc: |
/* FALLTHROUGH */ |
return MDOC_Oo; |
case (MDOC_Ss): |
case MDOC_Pc: |
if (MDOC_BODY == p->type && MDOC_Sh == p->tok) |
return MDOC_Po; |
return(REWIND_NONE); |
case MDOC_Qc: |
/* FALLTHROUGH */ |
return MDOC_Qo; |
case (MDOC_Sh): |
case MDOC_Re: |
if (MDOC_Nd == p->tok || MDOC_Ss == p->tok || |
return MDOC_Rs; |
MDOC_Sh == p->tok) |
case MDOC_Sc: |
return(REWIND_MORE); |
return MDOC_So; |
break; |
case MDOC_Xc: |
|
return MDOC_Xo; |
default: |
default: |
break; |
return tok; |
} |
} |
|
|
/* |
|
* Default block rewinding rules. |
|
* In particular, always skip block end markers, |
|
* and let all blocks rewind Nm children. |
|
*/ |
|
if (ENDBODY_NOT != p->end || MDOC_Nm == p->tok || |
|
(MDOC_BLOCK == p->type && |
|
! (MDOC_EXPLICIT & mdoc_macros[tok].flags))) |
|
return(REWIND_MORE); |
|
|
|
/* |
|
* Partial blocks allow delayed rewinding by default. |
|
*/ |
|
if (&blk_full != mdoc_macros[tok].fp) |
|
return (REWIND_LATER); |
|
|
|
/* |
|
* Full blocks can only be rewound when matching |
|
* or when there is an explicit rule. |
|
*/ |
|
return(REWIND_ERROR); |
|
} |
} |
|
|
|
static void |
static int |
rew_elem(struct roff_man *mdoc, enum roff_tok tok) |
rew_elem(struct mdoc *mdoc, enum mdoct tok) |
|
{ |
{ |
struct mdoc_node *n; |
struct roff_node *n; |
|
|
n = mdoc->last; |
n = mdoc->last; |
if (MDOC_ELEM != n->type) |
if (n->type != ROFFT_ELEM) |
n = n->parent; |
n = n->parent; |
assert(MDOC_ELEM == n->type); |
assert(n->type == ROFFT_ELEM); |
assert(tok == n->tok); |
assert(tok == n->tok); |
|
rew_last(mdoc, n); |
|
} |
|
|
return(rew_last(mdoc, n)); |
static void |
|
break_intermediate(struct roff_node *n, struct roff_node *breaker) |
|
{ |
|
if (n != breaker && |
|
n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD && |
|
(n->type != ROFFT_BODY || n->end != ENDBODY_NOT)) |
|
n = n->parent; |
|
while (n != breaker) { |
|
if ( ! (n->flags & NODE_VALID)) |
|
n->flags |= NODE_BROKEN; |
|
n = n->parent; |
|
} |
} |
} |
|
|
|
|
/* |
/* |
* We are trying to close a block identified by tok, |
* If there is an open sub-block of the target requiring |
* but the child block *broken is still open. |
* explicit close-out, postpone closing out the target until |
* Thus, postpone closing the tok block |
* the rew_pending() call closing out the sub-block. |
* until the rew_sub call closing *broken. |
|
*/ |
*/ |
static int |
static int |
make_pending(struct mdoc_node *broken, enum mdoct tok, |
find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos, |
struct mdoc *m, int line, int ppos) |
struct roff_node *target) |
{ |
{ |
struct mdoc_node *breaker; |
struct roff_node *n; |
|
int irc; |
|
|
/* |
if (target->flags & NODE_VALID) |
* Iterate backwards, searching for the block matching tok, |
return 0; |
* that is, the block breaking the *broken block. |
|
*/ |
|
for (breaker = broken->parent; breaker; breaker = breaker->parent) { |
|
|
|
/* |
irc = 0; |
* If the *broken block had already been broken before |
for (n = mdoc->last; n != NULL && n != target; n = n->parent) { |
* and we encounter its breaker, make the tok block |
if (n->flags & NODE_ENDED) |
* pending on the inner breaker. |
|
* Graphically, "[A breaker=[B broken=[C->B B] tok=A] C]" |
|
* becomes "[A broken=[B [C->B B] tok=A] C]" |
|
* and finally "[A [B->A [C->B B] A] C]". |
|
*/ |
|
if (breaker == broken->pending) { |
|
broken = breaker; |
|
continue; |
continue; |
|
if (n->type == ROFFT_BLOCK && |
|
mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) { |
|
irc = 1; |
|
break_intermediate(mdoc->last, target); |
|
if (target->type == ROFFT_HEAD) |
|
target->flags |= NODE_ENDED; |
|
else if ( ! (target->flags & NODE_ENDED)) { |
|
mandoc_msg(MANDOCERR_BLK_NEST, |
|
line, ppos, "%s breaks %s", |
|
roff_name[tok], roff_name[n->tok]); |
|
mdoc_endbody_alloc(mdoc, line, ppos, |
|
tok, target); |
|
} |
} |
} |
|
|
if (REWIND_THIS != rew_dohalt(tok, MDOC_BLOCK, breaker)) |
|
continue; |
|
if (MDOC_BODY == broken->type) |
|
broken = broken->parent; |
|
|
|
/* |
|
* Found the breaker. |
|
* If another, outer breaker is already pending on |
|
* the *broken block, we must not clobber the link |
|
* to the outer breaker, but make it pending on the |
|
* new, now inner breaker. |
|
* Graphically, "[A breaker=[B broken=[C->A A] tok=B] C]" |
|
* becomes "[A breaker=[B->A broken=[C A] tok=B] C]" |
|
* and finally "[A [B->A [C->B A] B] C]". |
|
*/ |
|
if (broken->pending) { |
|
struct mdoc_node *taker; |
|
|
|
/* |
|
* If the breaker had also been broken before, |
|
* it cannot take on the outer breaker itself, |
|
* but must hand it on to its own breakers. |
|
* Graphically, this is the following situation: |
|
* "[A [B breaker=[C->B B] broken=[D->A A] tok=C] D]" |
|
* "[A taker=[B->A breaker=[C->B B] [D->C A] C] D]" |
|
*/ |
|
taker = breaker; |
|
while (taker->pending) |
|
taker = taker->pending; |
|
taker->pending = broken->pending; |
|
} |
|
broken->pending = breaker; |
|
mdoc_vmsg(m, MANDOCERR_SCOPENEST, line, ppos, |
|
"%s breaks %s", mdoc_macronames[tok], |
|
mdoc_macronames[broken->tok]); |
|
return(1); |
|
} |
} |
|
return irc; |
/* |
|
* Found no matching block for tok. |
|
* Are you trying to close a block that is not open? |
|
* XXX Make this non-fatal. |
|
*/ |
|
mdoc_pmsg(m, line, ppos, MANDOCERR_SYNTNOSCOPE); |
|
return(0); |
|
} |
} |
|
|
|
/* |
static int |
* Allocate a word and check whether it's punctuation or not. |
rew_sub(enum mdoc_type t, struct mdoc *m, |
* Punctuation consists of those tokens found in mdoc_isdelim(). |
enum mdoct tok, int line, int ppos) |
*/ |
|
static void |
|
dword(struct roff_man *mdoc, int line, int col, const char *p, |
|
enum mdelim d, int may_append) |
{ |
{ |
struct mdoc_node *n; |
|
|
|
n = m->last; |
if (d == DELIM_MAX) |
while (n) { |
d = mdoc_isdelim(p); |
switch (rew_dohalt(tok, t, n)) { |
|
case (REWIND_NONE): |
if (may_append && |
return(1); |
! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) && |
case (REWIND_THIS): |
d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT && |
break; |
mdoc_isdelim(mdoc->last->string) == DELIM_NONE) { |
case (REWIND_MORE): |
roff_word_append(mdoc, p); |
n = n->parent; |
return; |
continue; |
|
case (REWIND_LATER): |
|
return(make_pending(n, tok, m, line, ppos)); |
|
case (REWIND_ERROR): |
|
/* XXX Make this non-fatal. */ |
|
mdoc_vmsg(m, MANDOCERR_SCOPEFATAL, line, ppos, |
|
"%s cannot break %s", mdoc_macronames[tok], |
|
mdoc_macronames[n->tok]); |
|
return 0; |
|
} |
|
break; |
|
} |
} |
|
|
assert(n); |
roff_word_alloc(mdoc, line, col, p); |
if ( ! rew_last(m, n)) |
|
return(0); |
|
|
|
/* |
/* |
* The current block extends an enclosing block. |
* If the word consists of a bare delimiter, |
* Now that the current block ends, close the enclosing block, too. |
* flag the new node accordingly, |
|
* unless doing so was vetoed by the invoking macro. |
|
* Always clear the veto, it is only valid for one word. |
*/ |
*/ |
while (NULL != (n = n->pending)) { |
|
if ( ! rew_last(m, n)) |
|
return(0); |
|
if (MDOC_HEAD == n->type && |
|
! mdoc_body_alloc(m, n->line, n->pos, n->tok)) |
|
return(0); |
|
} |
|
|
|
return(1); |
if (d == DELIM_OPEN) |
|
mdoc->last->flags |= NODE_DELIMO; |
|
else if (d == DELIM_CLOSE && |
|
! (mdoc->flags & MDOC_NODELIMC) && |
|
mdoc->last->parent->tok != MDOC_Fd) |
|
mdoc->last->flags |= NODE_DELIMC; |
|
mdoc->flags &= ~MDOC_NODELIMC; |
} |
} |
|
|
|
static void |
static int |
append_delims(struct roff_man *mdoc, int line, int *pos, char *buf) |
append_delims(struct mdoc *m, int line, int *pos, char *buf) |
|
{ |
{ |
|
char *p; |
int la; |
int la; |
enum margserr ac; |
enum margserr ac; |
char *p; |
|
|
|
if ('\0' == buf[*pos]) |
if (buf[*pos] == '\0') |
return(1); |
return; |
|
|
for (;;) { |
for (;;) { |
la = *pos; |
la = *pos; |
ac = mdoc_zargs(m, line, pos, buf, ARGS_NOWARN, &p); |
ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p); |
|
if (ac == ARGS_EOLN) |
if (ARGS_ERROR == ac) |
|
return(0); |
|
else if (ARGS_EOLN == ac) |
|
break; |
break; |
|
dword(mdoc, line, la, p, DELIM_MAX, 1); |
|
|
assert(DELIM_NONE != mdoc_isdelim(p)); |
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
|
|
/* |
/* |
* If we encounter end-of-sentence symbols, then trigger |
* If we encounter end-of-sentence symbols, then trigger |
* the double-space. |
* the double-space. |
* |
* |
* XXX: it's easy to allow this to propogate outward to |
* XXX: it's easy to allow this to propagate outward to |
* the last symbol, such that `. )' will cause the |
* the last symbol, such that `. )' will cause the |
* correct double-spacing. However, (1) groff isn't |
* correct double-spacing. However, (1) groff isn't |
* smart enough to do this and (2) it would require |
* smart enough to do this and (2) it would require |
* knowing which symbols break this behaviour, for |
* knowing which symbols break this behaviour, for |
* example, `. ;' shouldn't propogate the double-space. |
* example, `. ;' shouldn't propagate the double-space. |
*/ |
*/ |
if (mandoc_eos(p, strlen(p), 0)) |
|
m->last->flags |= MDOC_EOS; |
|
} |
|
|
|
return(1); |
if (mandoc_eos(p, strlen(p))) |
|
mdoc->last->flags |= NODE_EOS; |
|
if (ac == ARGS_ALLOC) |
|
free(p); |
|
} |
} |
} |
|
|
|
|
/* |
/* |
* Close out block partial/full explicit. |
* Parse one word. |
|
* If it is a macro, call it and return 1. |
|
* Otherwise, allocate it and return 0. |
*/ |
*/ |
static int |
static int |
|
macro_or_word(MACRO_PROT_ARGS, char *p, int parsed) |
|
{ |
|
int ntok; |
|
|
|
ntok = buf[ppos] == '"' || parsed == 0 || |
|
mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE : |
|
lookup(mdoc, tok, line, ppos, p); |
|
|
|
if (ntok == TOKEN_NONE) { |
|
dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE || |
|
mdoc_macro(tok)->flags & MDOC_JOIN); |
|
return 0; |
|
} else { |
|
if (tok != TOKEN_NONE && |
|
mdoc_macro(tok)->fp == in_line_eoln) |
|
rew_elem(mdoc, tok); |
|
(*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf); |
|
if (tok == TOKEN_NONE) |
|
append_delims(mdoc, line, pos, buf); |
|
return 1; |
|
} |
|
} |
|
|
|
/* |
|
* Close out block partial/full explicit. |
|
*/ |
|
static void |
blk_exp_close(MACRO_PROT_ARGS) |
blk_exp_close(MACRO_PROT_ARGS) |
{ |
{ |
struct mdoc_node *body; /* Our own body. */ |
struct roff_node *body; /* Our own body. */ |
struct mdoc_node *later; /* A sub-block starting later. */ |
struct roff_node *endbody; /* Our own end marker. */ |
struct mdoc_node *n; /* For searching backwards. */ |
struct roff_node *itblk; /* An It block starting later. */ |
|
struct roff_node *later; /* A sub-block starting later. */ |
|
struct roff_node *n; /* Search back to our block. */ |
|
struct roff_node *target; /* For find_pending(). */ |
|
|
int j, lastarg, maxargs, flushed, nl; |
int j, lastarg, maxargs, nl, pending; |
enum margserr ac; |
enum margserr ac; |
enum mdoct atok, ntok; |
enum roff_tok atok, ntok; |
char *p; |
char *p; |
|
|
nl = MDOC_NEWLINE & m->flags; |
nl = MDOC_NEWLINE & mdoc->flags; |
|
|
switch (tok) { |
switch (tok) { |
case (MDOC_Ec): |
case MDOC_Ec: |
maxargs = 1; |
maxargs = 1; |
break; |
break; |
|
case MDOC_Ek: |
|
mdoc->flags &= ~MDOC_KEEP; |
|
/* FALLTHROUGH */ |
default: |
default: |
maxargs = 0; |
maxargs = 0; |
break; |
break; |
} |
} |
|
|
|
/* Search backwards for the beginning of our own body. */ |
|
|
|
atok = rew_alt(tok); |
|
body = NULL; |
|
for (n = mdoc->last; n; n = n->parent) { |
|
if (n->flags & NODE_ENDED || n->tok != atok || |
|
n->type != ROFFT_BODY || n->end != ENDBODY_NOT) |
|
continue; |
|
body = n; |
|
break; |
|
} |
|
|
/* |
/* |
* Search backwards for beginnings of blocks, |
* Search backwards for beginnings of blocks, |
* both of our own and of pending sub-blocks. |
* both of our own and of pending sub-blocks. |
*/ |
*/ |
atok = rew_alt(tok); |
|
body = later = NULL; |
endbody = itblk = later = NULL; |
for (n = m->last; n; n = n->parent) { |
for (n = mdoc->last; n; n = n->parent) { |
if (MDOC_VALID & n->flags) |
if (n->flags & NODE_ENDED) |
continue; |
continue; |
|
|
/* Remember the start of our own body. */ |
/* |
if (MDOC_BODY == n->type && atok == n->tok) { |
* Mismatching end macros can never break anything |
if (ENDBODY_NOT == n->end) |
* and we only care about the breaking of BLOCKs. |
body = n; |
*/ |
|
|
|
if (body == NULL || n->type != ROFFT_BLOCK) |
continue; |
continue; |
|
|
|
/* |
|
* SYNOPSIS name blocks can not be broken themselves, |
|
* but they do get broken together with a broken child. |
|
*/ |
|
|
|
if (n->tok == MDOC_Nm) { |
|
if (later != NULL) |
|
n->flags |= NODE_BROKEN | NODE_ENDED; |
|
continue; |
} |
} |
|
|
if (MDOC_BLOCK != n->type || MDOC_Nm == n->tok) |
if (n->tok == MDOC_It) { |
|
itblk = n; |
continue; |
continue; |
|
} |
|
|
if (atok == n->tok) { |
if (atok == n->tok) { |
assert(body); |
|
|
|
/* |
/* |
* Found the start of our own block. |
* Found the start of our own block. |
* When there is no pending sub block, |
* When there is no pending sub block, |
* just proceed to closing out. |
* just proceed to closing out. |
*/ |
*/ |
if (NULL == later) |
|
|
if (later == NULL || |
|
(tok == MDOC_El && itblk == NULL)) |
break; |
break; |
|
|
/* |
|
* When there is a pending sub block, |
|
* postpone closing out the current block |
|
* until the rew_sub() closing out the sub-block. |
|
*/ |
|
if ( ! make_pending(later, tok, m, line, ppos)) |
|
return(0); |
|
|
|
/* |
/* |
|
* When there is a pending sub block, postpone |
|
* closing out the current block until the |
|
* rew_pending() closing out the sub-block. |
* Mark the place where the formatting - but not |
* Mark the place where the formatting - but not |
* the scope - of the current block ends. |
* the scope - of the current block ends. |
*/ |
*/ |
if ( ! mdoc_endbody_alloc(m, line, ppos, |
|
atok, body, ENDBODY_SPACE)) |
mandoc_msg(MANDOCERR_BLK_NEST, |
return(0); |
line, ppos, "%s breaks %s", |
|
roff_name[atok], roff_name[later->tok]); |
|
|
|
endbody = mdoc_endbody_alloc(mdoc, line, ppos, |
|
atok, body); |
|
|
|
if (tok == MDOC_El) |
|
itblk->flags |= NODE_ENDED | NODE_BROKEN; |
|
|
|
/* |
|
* If a block closing macro taking arguments |
|
* breaks another block, put the arguments |
|
* into the end marker. |
|
*/ |
|
|
|
if (maxargs) |
|
mdoc->next = ROFF_NEXT_CHILD; |
break; |
break; |
} |
} |
|
|
/* |
/* |
* When finding an open sub block, remember the last |
* Explicit blocks close out description lines, but |
* open explicit block, or, in case there are only |
* even those can get broken together with a child. |
* implicit ones, the first open implicit block. |
|
*/ |
*/ |
if (later && |
|
MDOC_EXPLICIT & mdoc_macros[later->tok].flags) |
if (n->tok == MDOC_Nd) { |
|
if (later != NULL) |
|
n->flags |= NODE_BROKEN | NODE_ENDED; |
|
else |
|
rew_last(mdoc, n); |
continue; |
continue; |
if (MDOC_CALLABLE & mdoc_macros[n->tok].flags) { |
|
assert( ! (MDOC_ACTED & n->flags)); |
|
later = n; |
|
} |
} |
} |
|
|
|
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
/* Breaking an open sub block. */ |
/* FIXME: do this in validate */ |
|
if (buf[*pos]) |
|
if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_ARGSLOST)) |
|
return(0); |
|
|
|
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
break_intermediate(mdoc->last, body); |
return(0); |
n->flags |= NODE_BROKEN; |
return(rew_sub(MDOC_BLOCK, m, tok, line, ppos)); |
if (later == NULL) |
|
later = n; |
} |
} |
|
|
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
if (body == NULL) { |
return(0); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos, |
|
"%s", roff_name[tok]); |
|
if (maxargs && endbody == NULL) { |
|
/* |
|
* Stray .Ec without previous .Eo: |
|
* Break the output line, keep the arguments. |
|
*/ |
|
roff_elem_alloc(mdoc, line, ppos, ROFF_br); |
|
rew_elem(mdoc, ROFF_br); |
|
} |
|
} else if (endbody == NULL) { |
|
rew_last(mdoc, body); |
|
if (maxargs) |
|
mdoc_tail_alloc(mdoc, line, ppos, atok); |
|
} |
|
|
if (NULL == later && maxargs > 0) |
if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) { |
if ( ! mdoc_tail_alloc(m, line, ppos, rew_alt(tok))) |
if (buf[*pos] != '\0') |
return(0); |
mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos, |
|
"%s %s", roff_name[tok], buf + *pos); |
|
if (endbody == NULL && n != NULL) |
|
rew_pending(mdoc, n); |
|
|
for (flushed = j = 0; ; j++) { |
/* |
lastarg = *pos; |
* Restore the fill mode that was set before the display. |
|
* This needs to be done here rather than during validation |
|
* such that subsequent nodes get the right flags. |
|
*/ |
|
|
if (j == maxargs && ! flushed) { |
if (tok == MDOC_Ed && body != NULL) { |
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
if (body->flags & NODE_NOFILL) |
return(0); |
mdoc->flags |= ROFF_NOFILL; |
flushed = 1; |
else |
|
mdoc->flags &= ~ROFF_NOFILL; |
} |
} |
|
return; |
|
} |
|
|
ac = mdoc_args(m, line, pos, buf, tok, &p); |
if (endbody != NULL) |
|
n = endbody; |
|
|
if (ARGS_ERROR == ac) |
ntok = TOKEN_NONE; |
return(0); |
for (j = 0; ; j++) { |
if (ARGS_PUNCT == ac) |
lastarg = *pos; |
|
|
|
if (j == maxargs && n != NULL) |
|
rew_last(mdoc, n); |
|
|
|
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
if (ac == ARGS_PUNCT || ac == ARGS_EOLN) |
break; |
break; |
if (ARGS_EOLN == ac) |
|
break; |
|
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
ntok = lookup(mdoc, tok, line, lastarg, p); |
|
|
if (MDOC_MAX == ntok) { |
if (ntok == TOKEN_NONE) { |
if ( ! mdoc_word_alloc(m, line, lastarg, p)) |
dword(mdoc, line, lastarg, p, DELIM_MAX, |
return(0); |
mdoc_macro(tok)->flags & MDOC_JOIN); |
|
if (ac == ARGS_ALLOC) |
|
free(p); |
continue; |
continue; |
} |
} |
|
if (ac == ARGS_ALLOC) |
|
free(p); |
|
|
if ( ! flushed) { |
if (n != NULL) |
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
rew_last(mdoc, n); |
return(0); |
mdoc->flags &= ~MDOC_NEWLINE; |
flushed = 1; |
(*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf); |
} |
|
if ( ! mdoc_macro(m, ntok, line, lastarg, pos, buf)) |
|
return(0); |
|
break; |
break; |
} |
} |
|
|
if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
if (n != NULL) { |
return(0); |
pending = 0; |
|
if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) { |
if ( ! nl) |
target = n; |
return(1); |
do |
return(append_delims(m, line, pos, buf)); |
target = target->parent; |
|
while ( ! (target->flags & NODE_ENDED)); |
|
pending = find_pending(mdoc, ntok, line, ppos, target); |
|
} |
|
if ( ! pending) |
|
rew_pending(mdoc, n); |
|
} |
|
if (nl) |
|
append_delims(mdoc, line, pos, buf); |
} |
} |
|
|
|
static void |
static int |
|
in_line(MACRO_PROT_ARGS) |
in_line(MACRO_PROT_ARGS) |
{ |
{ |
int la, scope, cnt, nc, nl; |
int la, scope, cnt, firstarg, mayopen, nc, nl; |
enum margverr av; |
enum roff_tok ntok; |
enum mdoct ntok; |
|
enum margserr ac; |
enum margserr ac; |
enum mdelim d; |
enum mdelim d; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
|
|
nl = MDOC_NEWLINE & m->flags; |
nl = MDOC_NEWLINE & mdoc->flags; |
|
|
/* |
/* |
* Whether we allow ignored elements (those without content, |
* Whether we allow ignored elements (those without content, |
Line 784 in_line(MACRO_PROT_ARGS) |
|
Line 785 in_line(MACRO_PROT_ARGS) |
|
*/ |
*/ |
|
|
switch (tok) { |
switch (tok) { |
case (MDOC_An): |
case MDOC_An: |
/* FALLTHROUGH */ |
case MDOC_Ar: |
case (MDOC_Ar): |
case MDOC_Fl: |
/* FALLTHROUGH */ |
case MDOC_Mt: |
case (MDOC_Fl): |
case MDOC_Nm: |
/* FALLTHROUGH */ |
case MDOC_Pa: |
case (MDOC_Lk): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Nm): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Pa): |
|
nc = 1; |
nc = 1; |
break; |
break; |
default: |
default: |
Line 802 in_line(MACRO_PROT_ARGS) |
|
Line 798 in_line(MACRO_PROT_ARGS) |
|
break; |
break; |
} |
} |
|
|
for (arg = NULL;; ) { |
mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
|
|
d = DELIM_NONE; |
|
firstarg = 1; |
|
mayopen = 1; |
|
for (cnt = scope = 0;; ) { |
la = *pos; |
la = *pos; |
av = mdoc_argv(m, line, tok, &arg, pos, buf); |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
if (ARGV_WORD == av) { |
/* |
*pos = la; |
* At the end of a macro line, |
|
* opening delimiters do not suppress spacing. |
|
*/ |
|
|
|
if (ac == ARGS_EOLN) { |
|
if (d == DELIM_OPEN) |
|
mdoc->last->flags &= ~NODE_DELIMO; |
break; |
break; |
} |
} |
if (ARGV_EOLN == av) |
|
break; |
|
if (ARGV_ARG == av) |
|
continue; |
|
|
|
mdoc_argv_free(arg); |
/* |
return(0); |
* The rest of the macro line is only punctuation, |
} |
* to be handled by append_delims(). |
|
* If there were no other arguments, |
|
* do not allow the first one to suppress spacing, |
|
* even if it turns out to be a closing one. |
|
*/ |
|
|
for (cnt = scope = 0;; ) { |
if (ac == ARGS_PUNCT) { |
la = *pos; |
if (cnt == 0 && (nc == 0 || tok == MDOC_An)) |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
mdoc->flags |= MDOC_NODELIMC; |
|
|
if (ARGS_ERROR == ac) |
|
return(0); |
|
if (ARGS_EOLN == ac) |
|
break; |
break; |
if (ARGS_PUNCT == ac) |
} |
break; |
|
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
ntok = (tok == MDOC_Fn && !cnt) ? |
|
TOKEN_NONE : lookup(mdoc, tok, line, la, p); |
|
|
/* |
/* |
* In this case, we've located a submacro and must |
* In this case, we've located a submacro and must |
* execute it. Close out scope, if open. If no |
* execute it. Close out scope, if open. If no |
* elements have been generated, either create one (nc) |
* elements have been generated, either create one (nc) |
* or raise a warning. |
* or raise a warning. |
*/ |
*/ |
|
|
if (MDOC_MAX != ntok) { |
if (ntok != TOKEN_NONE) { |
if (scope && ! rew_elem(m, tok)) |
if (scope) |
return(0); |
rew_elem(mdoc, tok); |
if (nc && 0 == cnt) { |
if (nc && ! cnt) { |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
return(0); |
rew_last(mdoc, mdoc->last); |
if ( ! rew_last(m, m->last)) |
} else if ( ! nc && ! cnt) { |
return(0); |
|
} else if ( ! nc && 0 == cnt) { |
|
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY)) |
mandoc_msg(MANDOCERR_MACRO_EMPTY, |
return(0); |
line, ppos, "%s", roff_name[tok]); |
} |
} |
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
(*mdoc_macro(ntok)->fp)(mdoc, ntok, |
return(0); |
line, la, pos, buf); |
if ( ! nl) |
if (nl) |
return(1); |
append_delims(mdoc, line, pos, buf); |
return(append_delims(m, line, pos, buf)); |
if (ac == ARGS_ALLOC) |
} |
free(p); |
|
return; |
|
} |
|
|
/* |
/* |
* Non-quote-enclosed punctuation. Set up our scope, if |
* Handle punctuation. Set up our scope, if a word; |
* a word; rewind the scope, if a delimiter; then append |
* rewind the scope, if a delimiter; then append the word. |
* the word. |
|
*/ |
*/ |
|
|
d = ARGS_QWORD == ac ? DELIM_NONE : mdoc_isdelim(p); |
if ((d = mdoc_isdelim(p)) != DELIM_NONE) { |
|
|
if (DELIM_NONE != d) { |
|
/* |
/* |
* If we encounter closing punctuation, no word |
* If we encounter closing punctuation, no word |
* has been omitted, no scope is open, and we're |
* has been emitted, no scope is open, and we're |
* allowed to have an empty element, then start |
* allowed to have an empty element, then start |
* a new scope. `Ar', `Fl', and `Li', only do |
* a new scope. |
* this once per invocation. There may be more |
|
* of these (all of them?). |
|
*/ |
*/ |
if (0 == cnt && (nc || MDOC_Li == tok) && |
if ((d == DELIM_CLOSE || |
DELIM_CLOSE == d && ! scope) { |
(d == DELIM_MIDDLE && tok == MDOC_Fl)) && |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
!cnt && !scope && nc && mayopen) { |
return(0); |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
if (MDOC_Ar == tok || MDOC_Li == tok || |
|
MDOC_Fl == tok) |
|
cnt++; |
|
scope = 1; |
scope = 1; |
|
cnt++; |
|
if (tok == MDOC_Nm) |
|
mayopen = 0; |
} |
} |
/* |
/* |
* Close out our scope, if one is open, before |
* Close out our scope, if one is open, before |
* any punctuation. |
* any punctuation. |
*/ |
*/ |
if (scope && ! rew_elem(m, tok)) |
if (scope && tok != MDOC_Lk) { |
return(0); |
rew_elem(mdoc, tok); |
scope = 0; |
scope = 0; |
} else if ( ! scope) { |
if (tok == MDOC_Fn) |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
mayopen = 0; |
return(0); |
} |
|
} else if (mayopen && !scope) { |
|
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
scope = 1; |
scope = 1; |
|
cnt++; |
} |
} |
|
|
if (DELIM_NONE == d) |
dword(mdoc, line, la, p, d, |
cnt++; |
mdoc_macro(tok)->flags & MDOC_JOIN); |
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
|
|
|
if (ac == ARGS_ALLOC) |
|
free(p); |
|
|
/* |
/* |
|
* If the first argument is a closing delimiter, |
|
* do not suppress spacing before it. |
|
*/ |
|
|
|
if (firstarg && d == DELIM_CLOSE && !nc) |
|
mdoc->last->flags &= ~NODE_DELIMC; |
|
firstarg = 0; |
|
|
|
/* |
* `Fl' macros have their scope re-opened with each new |
* `Fl' macros have their scope re-opened with each new |
* word so that the `-' can be added to each one without |
* word so that the `-' can be added to each one without |
* having to parse out spaces. |
* having to parse out spaces. |
*/ |
*/ |
if (scope && MDOC_Fl == tok) { |
if (scope && tok == MDOC_Fl) { |
if ( ! rew_elem(m, tok)) |
rew_elem(mdoc, tok); |
return(0); |
|
scope = 0; |
scope = 0; |
} |
} |
} |
} |
|
|
if (scope && ! rew_elem(m, tok)) |
if (scope && tok != MDOC_Lk) { |
return(0); |
rew_elem(mdoc, tok); |
|
scope = 0; |
|
} |
|
|
/* |
/* |
* If no elements have been collected and we're allowed to have |
* If no elements have been collected and we're allowed to have |
Line 924 in_line(MACRO_PROT_ARGS) |
|
Line 936 in_line(MACRO_PROT_ARGS) |
|
* raise a warning. |
* raise a warning. |
*/ |
*/ |
|
|
if (nc && 0 == cnt) { |
if ( ! cnt) { |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
if (nc) { |
return(0); |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
if ( ! rew_last(m, m->last)) |
rew_last(mdoc, mdoc->last); |
return(0); |
} else { |
} else if ( ! nc && 0 == cnt) { |
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
mandoc_msg(MANDOCERR_MACRO_EMPTY, |
if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY)) |
line, ppos, "%s", roff_name[tok]); |
return(0); |
} |
} |
} |
|
if (nl) |
if ( ! nl) |
append_delims(mdoc, line, pos, buf); |
return(1); |
if (scope) |
return(append_delims(m, line, pos, buf)); |
rew_elem(mdoc, tok); |
} |
} |
|
|
|
static void |
static int |
|
blk_full(MACRO_PROT_ARGS) |
blk_full(MACRO_PROT_ARGS) |
{ |
{ |
int la, nl; |
|
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
struct mdoc_node *head; /* save of head macro */ |
struct roff_node *blk; /* Our own or a broken block. */ |
struct mdoc_node *body; /* save of body macro */ |
struct roff_node *head; /* Our own head. */ |
struct mdoc_node *n; |
struct roff_node *body; /* Our own body. */ |
enum mdoc_type mtt; |
struct roff_node *n; |
enum mdoct ntok; |
|
enum margserr ac, lac; |
|
enum margverr av; |
|
char *p; |
char *p; |
|
size_t iarg; |
|
int done, la, nl, parsed; |
|
enum margserr ac, lac; |
|
|
nl = MDOC_NEWLINE & m->flags; |
nl = MDOC_NEWLINE & mdoc->flags; |
|
|
/* Close out prior implicit scope. */ |
if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) { |
|
mandoc_msg(MANDOCERR_MACRO_EMPTY, |
|
line, ppos, "%s", roff_name[tok]); |
|
return; |
|
} |
|
|
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) { |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
|
return(0); |
/* Here, tok is one of Sh Ss Nm Nd It. */ |
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
|
return(0); |
blk = NULL; |
|
for (n = mdoc->last; n != NULL; n = n->parent) { |
|
if (n->flags & NODE_ENDED) { |
|
if ( ! (n->flags & NODE_VALID)) |
|
n->flags |= NODE_BROKEN; |
|
continue; |
|
} |
|
if (n->type != ROFFT_BLOCK) |
|
continue; |
|
|
|
if (tok == MDOC_It && n->tok == MDOC_Bl) { |
|
if (blk != NULL) { |
|
mandoc_msg(MANDOCERR_BLK_BROKEN, |
|
line, ppos, "It breaks %s", |
|
roff_name[blk->tok]); |
|
rew_pending(mdoc, blk); |
|
} |
|
break; |
|
} |
|
|
|
if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) { |
|
switch (tok) { |
|
case MDOC_Sh: |
|
case MDOC_Ss: |
|
mandoc_msg(MANDOCERR_BLK_BROKEN, |
|
line, ppos, |
|
"%s breaks %s", roff_name[tok], |
|
roff_name[n->tok]); |
|
rew_pending(mdoc, n); |
|
n = mdoc->last; |
|
continue; |
|
case MDOC_It: |
|
/* Delay in case it's astray. */ |
|
blk = n; |
|
continue; |
|
default: |
|
break; |
|
} |
|
break; |
|
} |
|
|
|
/* Here, n is one of Sh Ss Nm Nd It. */ |
|
|
|
if (tok != MDOC_Sh && (n->tok == MDOC_Sh || |
|
(tok != MDOC_Ss && (n->tok == MDOC_Ss || |
|
(tok != MDOC_It && n->tok == MDOC_It))))) |
|
break; |
|
|
|
/* Item breaking an explicit block. */ |
|
|
|
if (blk != NULL) { |
|
mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos, |
|
"It breaks %s", roff_name[blk->tok]); |
|
rew_pending(mdoc, blk); |
|
blk = NULL; |
|
} |
|
|
|
/* Close out prior implicit scopes. */ |
|
|
|
rew_pending(mdoc, n); |
|
} |
|
|
|
/* Skip items outside lists. */ |
|
|
|
if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) { |
|
mandoc_msg(MANDOCERR_IT_STRAY, |
|
line, ppos, "It %s", buf + *pos); |
|
roff_elem_alloc(mdoc, line, ppos, ROFF_br); |
|
rew_elem(mdoc, ROFF_br); |
|
return; |
|
} |
} |
} |
|
|
/* |
/* |
* This routine accomodates implicitly- and explicitly-scoped |
* This routine accommodates implicitly- and explicitly-scoped |
* macro openings. Implicit ones first close out prior scope |
* macro openings. Implicit ones first close out prior scope |
* (seen above). Delay opening the head until necessary to |
* (seen above). Delay opening the head until necessary to |
* allow leading punctuation to print. Special consideration |
* allow leading punctuation to print. Special consideration |
Line 975 blk_full(MACRO_PROT_ARGS) |
|
Line 1059 blk_full(MACRO_PROT_ARGS) |
|
* regular child nodes. |
* regular child nodes. |
*/ |
*/ |
|
|
for (arg = NULL;; ) { |
switch (tok) { |
la = *pos; |
case MDOC_Sh: |
av = mdoc_argv(m, line, tok, &arg, pos, buf); |
mdoc->flags &= ~ROFF_NOFILL; |
|
break; |
if (ARGV_WORD == av) { |
case MDOC_Ss: |
*pos = la; |
mdoc->flags |= ROFF_NONOFILL; |
break; |
break; |
} |
default: |
|
break; |
if (ARGV_EOLN == av) |
|
break; |
|
if (ARGV_ARG == av) |
|
continue; |
|
|
|
mdoc_argv_free(arg); |
|
return(0); |
|
} |
} |
|
mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg); |
|
head = body = NULL; |
|
|
if ( ! mdoc_block_alloc(m, line, ppos, tok, arg)) |
/* |
return(0); |
* Exception: Heads of `It' macros in `-diag' lists are not |
|
* parsed, even though `It' macros in general are parsed. |
|
*/ |
|
|
head = body = NULL; |
parsed = tok != MDOC_It || |
|
mdoc->last->parent->tok != MDOC_Bl || |
|
mdoc->last->parent->norm->Bl.type != LIST_diag; |
|
|
/* |
/* |
* The `Nd' macro has all arguments in its body: it's a hybrid |
* The `Nd' macro has all arguments in its body: it's a hybrid |
* of block partial-explicit and full-implicit. Stupid. |
* of block partial-explicit and full-implicit. Stupid. |
*/ |
*/ |
|
|
if (MDOC_Nd == tok) { |
if (tok == MDOC_Nd) { |
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
head = roff_head_alloc(mdoc, line, ppos, tok); |
return(0); |
rew_last(mdoc, head); |
head = m->last; |
body = roff_body_alloc(mdoc, line, ppos, tok); |
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
} |
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
|
} |
|
|
|
ac = ARGS_ERROR; |
if (tok == MDOC_Bk) |
|
mdoc->flags |= MDOC_KEEP; |
|
|
for ( ; ; ) { |
ac = ARGS_EOLN; |
la = *pos; |
for (;;) { |
/* Initialise last-phrase-type with ARGS_PEND. */ |
|
lac = ARGS_ERROR == ac ? ARGS_PEND : ac; |
|
ac = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
|
if (ARGS_PUNCT == ac) |
/* |
break; |
* If we are right after a tab character, |
|
* do not parse the first word for macros. |
|
*/ |
|
|
if (ARGS_ERROR == ac) |
if (mdoc->flags & MDOC_PHRASEQN) { |
return(0); |
mdoc->flags &= ~MDOC_PHRASEQN; |
|
mdoc->flags |= MDOC_PHRASEQF; |
|
} |
|
|
if (ARGS_EOLN == ac) { |
la = *pos; |
if (ARGS_PPHRASE != lac && ARGS_PHRASE != lac) |
lac = ac; |
|
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
if (ac == ARGS_EOLN) { |
|
if (lac != ARGS_PHRASE || |
|
! (mdoc->flags & MDOC_PHRASEQF)) |
break; |
break; |
|
|
/* |
/* |
* This is necessary: if the last token on a |
* This line ends in a tab; start the next |
* line is a `Ta' or tab, then we'll get |
* column now, with a leading blank. |
* ARGS_EOLN, so we must be smart enough to |
|
* reopen our scope if the last parse was a |
|
* phrase or partial phrase. |
|
*/ |
*/ |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
|
return(0); |
if (body != NULL) |
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
rew_last(mdoc, body); |
return(0); |
body = roff_body_alloc(mdoc, line, ppos, tok); |
body = m->last; |
roff_word_alloc(mdoc, line, ppos, "\\&"); |
break; |
break; |
} |
} |
|
|
/* |
if (tok == MDOC_Bd || tok == MDOC_Bk) { |
|
mandoc_msg(MANDOCERR_ARG_EXCESS, line, la, |
|
"%s ... %s", roff_name[tok], buf + la); |
|
if (ac == ARGS_ALLOC) |
|
free(p); |
|
break; |
|
} |
|
if (tok == MDOC_Rs) { |
|
mandoc_msg(MANDOCERR_ARG_SKIP, |
|
line, la, "Rs %s", buf + la); |
|
if (ac == ARGS_ALLOC) |
|
free(p); |
|
break; |
|
} |
|
if (ac == ARGS_PUNCT) |
|
break; |
|
|
|
/* |
* Emit leading punctuation (i.e., punctuation before |
* Emit leading punctuation (i.e., punctuation before |
* the MDOC_HEAD) for non-phrase types. |
* the ROFFT_HEAD) for non-phrase types. |
*/ |
*/ |
|
|
if (NULL == head && |
if (head == NULL && |
ARGS_PEND != ac && |
ac != ARGS_PHRASE && |
ARGS_PHRASE != ac && |
mdoc_isdelim(p) == DELIM_OPEN) { |
ARGS_PPHRASE != ac && |
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
ARGS_QWORD != ac && |
if (ac == ARGS_ALLOC) |
DELIM_OPEN == mdoc_isdelim(p)) { |
free(p); |
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
continue; |
continue; |
} |
} |
|
|
/* Open a head if one hasn't been opened. */ |
/* Open a head if one hasn't been opened. */ |
|
|
if (NULL == head) { |
if (head == NULL) |
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
head = roff_head_alloc(mdoc, line, ppos, tok); |
return(0); |
|
head = m->last; |
|
} |
|
|
|
if (ARGS_PHRASE == ac || |
if (ac == ARGS_PHRASE) { |
ARGS_PEND == ac || |
|
ARGS_PPHRASE == ac) { |
|
/* |
/* |
* If we haven't opened a body yet, rewind the |
* If we haven't opened a body yet, rewind the |
* head; if we have, rewind that instead. |
* head; if we have, rewind that instead. |
*/ |
*/ |
|
|
mtt = body ? MDOC_BODY : MDOC_HEAD; |
rew_last(mdoc, body == NULL ? head : body); |
if ( ! rew_sub(mtt, m, tok, line, ppos)) |
body = roff_body_alloc(mdoc, line, ppos, tok); |
return(0); |
|
|
|
/* Then allocate our body context. */ |
|
|
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
/* Process to the tab or to the end of the line. */ |
return(0); |
|
body = m->last; |
|
|
|
/* |
mdoc->flags |= MDOC_PHRASE; |
* Process phrases: set whether we're in a |
parse_rest(mdoc, TOKEN_NONE, line, &la, buf); |
* partial-phrase (this effects line handling) |
mdoc->flags &= ~MDOC_PHRASE; |
* then call down into the phrase parser. |
|
*/ |
|
|
|
if (ARGS_PPHRASE == ac) |
/* There may have been `Ta' macros. */ |
m->flags |= MDOC_PPHRASE; |
|
if (ARGS_PEND == ac && ARGS_PPHRASE == lac) |
|
m->flags |= MDOC_PPHRASE; |
|
|
|
if ( ! phrase(m, line, la, buf)) |
while (body->next != NULL) |
return(0); |
body = body->next; |
|
|
m->flags &= ~MDOC_PPHRASE; |
|
continue; |
continue; |
} |
} |
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed); |
|
if (ac == ARGS_ALLOC) |
if (MDOC_MAX == ntok) { |
free(p); |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if (done) |
return(0); |
break; |
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
|
return(0); |
|
break; |
|
} |
} |
|
|
if (NULL == head) { |
if (blk->flags & NODE_VALID) |
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
return; |
return(0); |
if (head == NULL) |
head = m->last; |
head = roff_head_alloc(mdoc, line, ppos, tok); |
} |
if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs) |
|
append_delims(mdoc, line, pos, buf); |
if (nl && ! append_delims(m, line, pos, buf)) |
if (body != NULL) |
return(0); |
goto out; |
|
if (find_pending(mdoc, tok, line, ppos, head)) |
|
return; |
|
|
/* If we've already opened our body, exit now. */ |
/* Close out scopes to remain in a consistent state. */ |
|
|
if (NULL != body) |
rew_last(mdoc, head); |
goto out; |
body = roff_body_alloc(mdoc, line, ppos, tok); |
|
if (tok == MDOC_Ss) |
|
mdoc->flags &= ~ROFF_NONOFILL; |
|
|
/* |
/* |
* If there is an open (i.e., unvalidated) sub-block requiring |
* Set up fill mode for display blocks. |
* explicit close-out, postpone switching the current block from |
* This needs to be done here up front rather than during |
* head to body until the rew_sub() call closing out that |
* validation such that child nodes get the right flags. |
* sub-block. |
|
*/ |
*/ |
for (n = m->last; n && n != head; n = n->parent) { |
|
if (MDOC_BLOCK == n->type && |
if (tok == MDOC_Bd && arg != NULL) { |
MDOC_EXPLICIT & mdoc_macros[n->tok].flags && |
for (iarg = 0; iarg < arg->argc; iarg++) { |
! (MDOC_VALID & n->flags)) { |
switch (arg->argv[iarg].arg) { |
assert( ! (MDOC_ACTED & n->flags)); |
case MDOC_Unfilled: |
n->pending = head; |
case MDOC_Literal: |
return(1); |
mdoc->flags |= ROFF_NOFILL; |
|
break; |
|
case MDOC_Filled: |
|
case MDOC_Ragged: |
|
case MDOC_Centred: |
|
mdoc->flags &= ~ROFF_NOFILL; |
|
break; |
|
default: |
|
continue; |
|
} |
|
break; |
} |
} |
} |
} |
|
|
/* Close out scopes to remain in a consistent state. */ |
|
|
|
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
|
|
out: |
out: |
if ( ! (MDOC_FREECOL & m->flags)) |
if (mdoc->flags & MDOC_FREECOL) { |
return(1); |
rew_last(mdoc, body); |
|
rew_last(mdoc, blk); |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
mdoc->flags &= ~MDOC_FREECOL; |
return(0); |
} |
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
|
return(0); |
|
|
|
m->flags &= ~MDOC_FREECOL; |
|
return(1); |
|
} |
} |
|
|
|
static void |
static int |
|
blk_part_imp(MACRO_PROT_ARGS) |
blk_part_imp(MACRO_PROT_ARGS) |
{ |
{ |
int la, nl; |
int done, la, nl; |
enum mdoct ntok; |
|
enum margserr ac; |
enum margserr ac; |
char *p; |
char *p; |
struct mdoc_node *blk; /* saved block context */ |
struct roff_node *blk; /* saved block context */ |
struct mdoc_node *body; /* saved body context */ |
struct roff_node *body; /* saved body context */ |
struct mdoc_node *n; |
struct roff_node *n; |
|
|
nl = MDOC_NEWLINE & m->flags; |
nl = MDOC_NEWLINE & mdoc->flags; |
|
|
/* |
/* |
* A macro that spans to the end of the line. This is generally |
* A macro that spans to the end of the line. This is generally |
Line 1192 blk_part_imp(MACRO_PROT_ARGS) |
|
Line 1266 blk_part_imp(MACRO_PROT_ARGS) |
|
* or more closing punctuation nodes. |
* or more closing punctuation nodes. |
*/ |
*/ |
|
|
if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL)) |
blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL); |
return(0); |
rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok)); |
|
|
blk = m->last; |
|
|
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
|
return(0); |
|
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
|
return(0); |
|
|
|
/* |
/* |
* Open the body scope "on-demand", that is, after we've |
* Open the body scope "on-demand", that is, after we've |
* processed all our the leading delimiters (open parenthesis, |
* processed all our the leading delimiters (open parenthesis, |
Line 1210 blk_part_imp(MACRO_PROT_ARGS) |
|
Line 1277 blk_part_imp(MACRO_PROT_ARGS) |
|
|
|
for (body = NULL; ; ) { |
for (body = NULL; ; ) { |
la = *pos; |
la = *pos; |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
if (ac == ARGS_EOLN || ac == ARGS_PUNCT) |
if (ARGS_ERROR == ac) |
|
return(0); |
|
if (ARGS_EOLN == ac) |
|
break; |
break; |
if (ARGS_PUNCT == ac) |
|
break; |
|
|
|
if (NULL == body && ARGS_QWORD != ac && |
if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) { |
DELIM_OPEN == mdoc_isdelim(p)) { |
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if (ac == ARGS_ALLOC) |
return(0); |
free(p); |
continue; |
continue; |
} |
|
|
|
if (NULL == body) { |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
|
} |
} |
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
if (body == NULL) |
|
body = roff_body_alloc(mdoc, line, ppos, tok); |
|
|
if (MDOC_MAX == ntok) { |
done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1); |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if (ac == ARGS_ALLOC) |
return(0); |
free(p); |
continue; |
if (done) |
} |
break; |
|
|
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
|
return(0); |
|
break; |
|
} |
} |
|
if (body == NULL) |
|
body = roff_body_alloc(mdoc, line, ppos, tok); |
|
|
/* Clean-ups to leave in a consistent state. */ |
if (find_pending(mdoc, tok, line, ppos, body)) |
|
return; |
|
|
if (NULL == body) { |
rew_last(mdoc, body); |
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
if (nl) |
return(0); |
append_delims(mdoc, line, pos, buf); |
body = m->last; |
rew_pending(mdoc, blk); |
} |
|
|
|
|
/* Move trailing .Ns out of scope. */ |
|
|
for (n = body->child; n && n->next; n = n->next) |
for (n = body->child; n && n->next; n = n->next) |
/* Do nothing. */ ; |
/* Do nothing. */ ; |
|
if (n && n->tok == MDOC_Ns) |
/* |
roff_node_relink(mdoc, n); |
* End of sentence spacing: if the last node is a text node and |
|
* has a trailing period, then mark it as being end-of-sentence. |
|
*/ |
|
|
|
if (n && MDOC_TEXT == n->type && n->string) |
|
if (mandoc_eos(n->string, strlen(n->string), 1)) |
|
n->flags |= MDOC_EOS; |
|
|
|
/* Up-propogate the end-of-space flag. */ |
|
|
|
if (n && (MDOC_EOS & n->flags)) { |
|
body->flags |= MDOC_EOS; |
|
body->parent->flags |= MDOC_EOS; |
|
} |
|
|
|
/* |
|
* If there is an open sub-block requiring explicit close-out, |
|
* postpone closing out the current block |
|
* until the rew_sub() call closing out the sub-block. |
|
*/ |
|
for (n = m->last; n && n != body && n != blk->parent; n = n->parent) { |
|
if (MDOC_BLOCK == n->type && |
|
MDOC_EXPLICIT & mdoc_macros[n->tok].flags && |
|
! (MDOC_VALID & n->flags)) { |
|
assert( ! (MDOC_ACTED & n->flags)); |
|
if ( ! make_pending(n, tok, m, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_endbody_alloc(m, line, ppos, |
|
tok, body, ENDBODY_NOSPACE)) |
|
return(0); |
|
return(1); |
|
} |
|
} |
|
|
|
/* |
|
* If we can't rewind to our body, then our scope has already |
|
* been closed by another macro (like `Oc' closing `Op'). This |
|
* is ugly behaviour nodding its head to OpenBSD's overwhelming |
|
* crufty use of `Op' breakage. |
|
*/ |
|
if (n != body && ! mdoc_vmsg(m, MANDOCERR_SCOPENEST, |
|
line, ppos, "%s broken", mdoc_macronames[tok])) |
|
return(0); |
|
|
|
if (n && ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
|
return(0); |
|
|
|
/* Standard appending of delimiters. */ |
|
|
|
if (nl && ! append_delims(m, line, pos, buf)) |
|
return(0); |
|
|
|
/* Rewind scope, if applicable. */ |
|
|
|
if (n && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
|
return(0); |
|
|
|
return(1); |
|
} |
} |
|
|
|
static void |
static int |
|
blk_part_exp(MACRO_PROT_ARGS) |
blk_part_exp(MACRO_PROT_ARGS) |
{ |
{ |
int la, nl; |
int done, la, nl; |
enum margserr ac; |
enum margserr ac; |
struct mdoc_node *head; /* keep track of head */ |
struct roff_node *head; /* keep track of head */ |
struct mdoc_node *body; /* keep track of body */ |
|
char *p; |
char *p; |
enum mdoct ntok; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
nl = MDOC_NEWLINE & mdoc->flags; |
|
|
/* |
/* |
* The opening of an explicit macro having zero or more leading |
* The opening of an explicit macro having zero or more leading |
Line 1336 blk_part_exp(MACRO_PROT_ARGS) |
|
Line 1332 blk_part_exp(MACRO_PROT_ARGS) |
|
* case of `Eo'); and a body that may be empty. |
* case of `Eo'); and a body that may be empty. |
*/ |
*/ |
|
|
if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL)) |
roff_block_alloc(mdoc, line, ppos, tok); |
return(0); |
head = NULL; |
|
for (;;) { |
for (head = body = NULL; ; ) { |
|
la = *pos; |
la = *pos; |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
if (ac == ARGS_PUNCT || ac == ARGS_EOLN) |
if (ARGS_ERROR == ac) |
|
return(0); |
|
if (ARGS_PUNCT == ac) |
|
break; |
break; |
if (ARGS_EOLN == ac) |
|
break; |
|
|
|
/* Flush out leading punctuation. */ |
/* Flush out leading punctuation. */ |
|
|
if (NULL == head && ARGS_QWORD != ac && |
if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) { |
DELIM_OPEN == mdoc_isdelim(p)) { |
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
assert(NULL == body); |
if (ac == ARGS_ALLOC) |
if ( ! mdoc_word_alloc(m, line, la, p)) |
free(p); |
return(0); |
|
continue; |
continue; |
} |
|
|
|
if (NULL == head) { |
|
assert(NULL == body); |
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
|
return(0); |
|
head = m->last; |
|
} |
} |
|
|
/* |
if (head == NULL) { |
* `Eo' gobbles any data into the head, but most other |
head = roff_head_alloc(mdoc, line, ppos, tok); |
* macros just immediately close out and begin the body. |
if (tok == MDOC_Eo) /* Not parsed. */ |
*/ |
dword(mdoc, line, la, p, DELIM_MAX, 0); |
|
rew_last(mdoc, head); |
if (NULL == body) { |
roff_body_alloc(mdoc, line, ppos, tok); |
assert(head); |
if (tok == MDOC_Eo) { |
/* No check whether it's a macro! */ |
if (ac == ARGS_ALLOC) |
if (MDOC_Eo == tok) |
free(p); |
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
|
|
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
|
|
|
if (MDOC_Eo == tok) |
|
continue; |
continue; |
|
} |
} |
} |
|
|
assert(NULL != head && NULL != body); |
done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1); |
|
if (ac == ARGS_ALLOC) |
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
free(p); |
|
if (done) |
if (MDOC_MAX == ntok) { |
break; |
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
|
return(0); |
|
break; |
|
} |
} |
|
|
/* Clean-up to leave in a consistent state. */ |
/* Clean-up to leave in a consistent state. */ |
|
|
if (NULL == head) { |
if (head == NULL) { |
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok)); |
return(0); |
roff_body_alloc(mdoc, line, ppos, tok); |
head = m->last; |
|
} |
} |
|
if (nl) |
if (NULL == body) { |
append_delims(mdoc, line, pos, buf); |
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
|
} |
|
|
|
/* Standard appending of delimiters. */ |
|
|
|
if ( ! nl) |
|
return(1); |
|
return(append_delims(m, line, pos, buf)); |
|
} |
} |
|
|
|
static void |
/* ARGSUSED */ |
|
static int |
|
in_line_argn(MACRO_PROT_ARGS) |
in_line_argn(MACRO_PROT_ARGS) |
{ |
{ |
int la, flushed, j, maxargs, nl; |
|
enum margserr ac; |
|
enum margverr av; |
|
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
enum mdoct ntok; |
enum margserr ac; |
|
enum roff_tok ntok; |
|
int state; /* arg#; -1: not yet open; -2: closed */ |
|
int la, maxargs, nl; |
|
|
nl = MDOC_NEWLINE & m->flags; |
nl = mdoc->flags & MDOC_NEWLINE; |
|
|
/* |
/* |
* A line macro that has a fixed number of arguments (maxargs). |
* A line macro that has a fixed number of arguments (maxargs). |
Line 1450 in_line_argn(MACRO_PROT_ARGS) |
|
Line 1400 in_line_argn(MACRO_PROT_ARGS) |
|
*/ |
*/ |
|
|
switch (tok) { |
switch (tok) { |
case (MDOC_Ap): |
case MDOC_Ap: |
/* FALLTHROUGH */ |
case MDOC_Ns: |
case (MDOC_No): |
case MDOC_Ux: |
/* FALLTHROUGH */ |
|
case (MDOC_Ns): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ux): |
|
maxargs = 0; |
maxargs = 0; |
break; |
break; |
case (MDOC_Xr): |
case MDOC_Bx: |
|
case MDOC_Es: |
|
case MDOC_Xr: |
maxargs = 2; |
maxargs = 2; |
break; |
break; |
default: |
default: |
Line 1467 in_line_argn(MACRO_PROT_ARGS) |
|
Line 1415 in_line_argn(MACRO_PROT_ARGS) |
|
break; |
break; |
} |
} |
|
|
for (arg = NULL; ; ) { |
mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
|
|
state = -1; |
|
p = NULL; |
|
for (;;) { |
la = *pos; |
la = *pos; |
av = mdoc_argv(m, line, tok, &arg, pos, buf); |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
if (ARGV_WORD == av) { |
if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 && |
*pos = la; |
(mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 && |
break; |
mdoc_isdelim(p) == DELIM_OPEN) { |
} |
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
|
if (ac == ARGS_ALLOC) |
if (ARGV_EOLN == av) |
free(p); |
break; |
|
if (ARGV_ARG == av) |
|
continue; |
continue; |
|
} |
|
|
mdoc_argv_free(arg); |
if (state == -1 && tok != MDOC_In && |
return(0); |
tok != MDOC_St && tok != MDOC_Xr) { |
} |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
|
state = 0; |
|
} |
|
|
for (flushed = j = 0; ; ) { |
if (ac == ARGS_PUNCT || ac == ARGS_EOLN) { |
la = *pos; |
if (abs(state) < 2 && tok == MDOC_Pf) |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
mandoc_msg(MANDOCERR_PF_SKIP, |
|
line, ppos, "Pf %s", |
if (ARGS_ERROR == ac) |
p == NULL ? "at eol" : p); |
return(0); |
|
if (ARGS_PUNCT == ac) |
|
break; |
break; |
if (ARGS_EOLN == ac) |
} |
break; |
|
|
|
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
if (state == maxargs) { |
ARGS_QWORD != ac && |
rew_elem(mdoc, tok); |
0 == j && DELIM_OPEN == mdoc_isdelim(p)) { |
state = -2; |
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
continue; |
|
} else if (0 == j) |
|
if ( ! mdoc_elem_alloc(m, line, la, tok, arg)) |
|
return(0); |
|
|
|
if (j == maxargs && ! flushed) { |
|
if ( ! rew_elem(m, tok)) |
|
return(0); |
|
flushed = 1; |
|
} |
} |
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
ntok = (tok == MDOC_Pf && state == 0) ? |
|
TOKEN_NONE : lookup(mdoc, tok, line, la, p); |
|
|
if (MDOC_MAX != ntok) { |
if (ntok != TOKEN_NONE) { |
if ( ! flushed && ! rew_elem(m, tok)) |
if (state >= 0) { |
return(0); |
rew_elem(mdoc, tok); |
flushed = 1; |
state = -2; |
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
} |
return(0); |
(*mdoc_macro(ntok)->fp)(mdoc, ntok, |
j++; |
line, la, pos, buf); |
|
if (ac == ARGS_ALLOC) |
|
free(p); |
break; |
break; |
} |
} |
|
|
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
if (mdoc_macro(tok)->flags & MDOC_IGNDELIM || |
ARGS_QWORD != ac && |
mdoc_isdelim(p) == DELIM_NONE) { |
! flushed && |
if (state == -1) { |
DELIM_NONE != mdoc_isdelim(p)) { |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
if ( ! rew_elem(m, tok)) |
state = 1; |
return(0); |
} else if (state >= 0) |
flushed = 1; |
state++; |
|
} else if (state >= 0) { |
|
rew_elem(mdoc, tok); |
|
state = -2; |
} |
} |
|
|
/* |
dword(mdoc, line, la, p, DELIM_MAX, |
* XXX: this is a hack to work around groff's ugliness |
mdoc_macro(tok)->flags & MDOC_JOIN); |
* as regards `Xr' and extraneous arguments. It should |
if (ac == ARGS_ALLOC) |
* ideally be deprecated behaviour, but because this is |
free(p); |
* code is no here, it's unlikely to be removed. |
p = mdoc->last->string; |
*/ |
} |
|
|
#ifdef __OpenBSD__ |
if (state == -1) { |
if (MDOC_Xr == tok && j == maxargs) { |
mandoc_msg(MANDOCERR_MACRO_EMPTY, |
if ( ! mdoc_elem_alloc(m, line, la, MDOC_Ns, NULL)) |
line, ppos, "%s", roff_name[tok]); |
return(0); |
return; |
if ( ! rew_elem(m, MDOC_Ns)) |
|
return(0); |
|
} |
|
#endif |
|
|
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
j++; |
|
} |
} |
|
|
if (0 == j && ! mdoc_elem_alloc(m, line, la, tok, arg)) |
if (state == 0 && tok == MDOC_Pf) |
return(0); |
append_delims(mdoc, line, pos, buf); |
|
if (state >= 0) |
/* Close out in a consistent state. */ |
rew_elem(mdoc, tok); |
|
if (nl) |
if ( ! flushed && ! rew_elem(m, tok)) |
append_delims(mdoc, line, pos, buf); |
return(0); |
|
if ( ! nl) |
|
return(1); |
|
return(append_delims(m, line, pos, buf)); |
|
} |
} |
|
|
|
static void |
static int |
|
in_line_eoln(MACRO_PROT_ARGS) |
in_line_eoln(MACRO_PROT_ARGS) |
{ |
{ |
int la; |
struct roff_node *n; |
enum margserr ac; |
struct mdoc_arg *arg; |
enum margverr av; |
|
struct mdoc_arg *arg; |
|
char *p; |
|
enum mdoct ntok; |
|
|
|
assert( ! (MDOC_PARSED & mdoc_macros[tok].flags)); |
if ((tok == MDOC_Pp || tok == MDOC_Lp) && |
|
! (mdoc->flags & MDOC_SYNOPSIS)) { |
|
n = mdoc->last; |
|
if (mdoc->next == ROFF_NEXT_SIBLING) |
|
n = n->parent; |
|
if (n->tok == MDOC_Nm) |
|
rew_last(mdoc, n->parent); |
|
} |
|
|
if (tok == MDOC_Pp) |
#if DEBUG_MEMORY |
rew_sub(MDOC_BLOCK, m, MDOC_Nm, line, ppos); |
if (tok == MDOC_Dt) |
|
mandoc_dbg_name(buf); |
|
#endif |
|
|
/* Parse macro arguments. */ |
if (buf[*pos] == '\0' && |
|
(tok == MDOC_Fd || *roff_name[tok] == '%')) { |
for (arg = NULL; ; ) { |
mandoc_msg(MANDOCERR_MACRO_EMPTY, |
la = *pos; |
line, ppos, "%s", roff_name[tok]); |
av = mdoc_argv(m, line, tok, &arg, pos, buf); |
return; |
|
|
if (ARGV_WORD == av) { |
|
*pos = la; |
|
break; |
|
} |
|
if (ARGV_EOLN == av) |
|
break; |
|
if (ARGV_ARG == av) |
|
continue; |
|
|
|
mdoc_argv_free(arg); |
|
return(0); |
|
} |
} |
|
|
/* Open element scope. */ |
mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
|
if (parse_rest(mdoc, tok, line, pos, buf)) |
|
return; |
|
rew_elem(mdoc, tok); |
|
} |
|
|
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
/* |
return(0); |
* The simplest argument parser available: Parse the remaining |
|
* words until the end of the phrase or line and return 0 |
|
* or until the next macro, call that macro, and return 1. |
|
*/ |
|
static int |
|
parse_rest(struct roff_man *mdoc, enum roff_tok tok, |
|
int line, int *pos, char *buf) |
|
{ |
|
char *p; |
|
int done, la; |
|
enum margserr ac; |
|
|
/* Parse argument terms. */ |
|
|
|
for (;;) { |
for (;;) { |
la = *pos; |
la = *pos; |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
if (ac == ARGS_EOLN) |
if (ARGS_ERROR == ac) |
return 0; |
return(0); |
done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1); |
if (ARGS_EOLN == ac) |
if (ac == ARGS_ALLOC) |
break; |
free(p); |
|
if (done) |
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
return 1; |
|
|
if (MDOC_MAX == ntok) { |
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! rew_elem(m, tok)) |
|
return(0); |
|
return(mdoc_macro(m, ntok, line, la, pos, buf)); |
|
} |
} |
|
|
/* Close out (no delimiters). */ |
|
|
|
return(rew_elem(m, tok)); |
|
} |
} |
|
|
|
static void |
/* ARGSUSED */ |
|
static int |
|
ctx_synopsis(MACRO_PROT_ARGS) |
ctx_synopsis(MACRO_PROT_ARGS) |
{ |
{ |
int nl; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE)) |
|
in_line(mdoc, tok, line, ppos, pos, buf); |
/* If we're not in the SYNOPSIS, go straight to in-line. */ |
else if (tok == MDOC_Nm) |
if ( ! (MDOC_SYNOPSIS & m->flags)) |
blk_full(mdoc, tok, line, ppos, pos, buf); |
return(in_line(m, tok, line, ppos, pos, buf)); |
else { |
|
assert(tok == MDOC_Vt); |
/* If we're a nested call, same place. */ |
blk_part_imp(mdoc, tok, line, ppos, pos, buf); |
if ( ! nl) |
} |
return(in_line(m, tok, line, ppos, pos, buf)); |
|
|
|
/* |
|
* XXX: this will open a block scope; however, if later we end |
|
* up formatting the block scope, then child nodes will inherit |
|
* the formatting. Be careful. |
|
*/ |
|
if (MDOC_Nm == tok) |
|
return(blk_full(m, tok, line, ppos, pos, buf)); |
|
assert(MDOC_Vt == tok); |
|
return(blk_part_imp(m, tok, line, ppos, pos, buf)); |
|
} |
} |
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
obsolete(MACRO_PROT_ARGS) |
|
{ |
|
|
|
return(mdoc_pmsg(m, line, ppos, MANDOCERR_MACROOBS)); |
|
} |
|
|
|
|
|
/* |
/* |
* Phrases occur within `Bl -column' entries, separated by `Ta' or tabs. |
* Phrases occur within `Bl -column' entries, separated by `Ta' or tabs. |
* They're unusual because they're basically free-form text until a |
* They're unusual because they're basically free-form text until a |
* macro is encountered. |
* macro is encountered. |
*/ |
*/ |
static int |
static void |
phrase(struct mdoc *m, int line, int ppos, char *buf) |
phrase_ta(MACRO_PROT_ARGS) |
{ |
{ |
int la, pos; |
struct roff_node *body, *n; |
enum margserr ac; |
|
enum mdoct ntok; |
|
char *p; |
|
|
|
for (pos = ppos; ; ) { |
/* Make sure we are in a column list or ignore this macro. */ |
la = pos; |
|
|
|
ac = mdoc_zargs(m, line, &pos, buf, 0, &p); |
body = NULL; |
|
for (n = mdoc->last; n != NULL; n = n->parent) { |
if (ARGS_ERROR == ac) |
if (n->flags & NODE_ENDED) |
return(0); |
|
if (ARGS_EOLN == ac) |
|
break; |
|
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p); |
|
|
|
if (MDOC_MAX == ntok) { |
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
continue; |
continue; |
} |
if (n->tok == MDOC_It && n->type == ROFFT_BODY) |
|
body = n; |
if ( ! mdoc_macro(m, ntok, line, la, &pos, buf)) |
if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT) |
return(0); |
break; |
return(append_delims(m, line, &pos, buf)); |
|
} |
} |
|
|
return(1); |
if (n == NULL || n->norm->Bl.type != LIST_column) { |
} |
mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta"); |
|
return; |
|
|
/* ARGSUSED */ |
|
static int |
|
phrase_ta(MACRO_PROT_ARGS) |
|
{ |
|
int la; |
|
enum mdoct ntok; |
|
enum margserr ac; |
|
char *p; |
|
|
|
/* |
|
* FIXME: this is overly restrictive: if the `Ta' is unexpected, |
|
* it should simply error out with ARGSLOST. |
|
*/ |
|
|
|
if ( ! rew_sub(MDOC_BODY, m, MDOC_It, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, MDOC_It)) |
|
return(0); |
|
|
|
for (;;) { |
|
la = *pos; |
|
ac = mdoc_zargs(m, line, pos, buf, 0, &p); |
|
|
|
if (ARGS_ERROR == ac) |
|
return(0); |
|
if (ARGS_EOLN == ac) |
|
break; |
|
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p); |
|
|
|
if (MDOC_MAX == ntok) { |
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
|
return(0); |
|
return(append_delims(m, line, pos, buf)); |
|
} |
} |
|
|
return(1); |
/* Advance to the next column. */ |
|
|
|
rew_last(mdoc, body); |
|
roff_body_alloc(mdoc, line, ppos, MDOC_It); |
|
parse_rest(mdoc, TOKEN_NONE, line, pos, buf); |
} |
} |