version 1.41, 2010/03/29 04:52:14 |
version 1.127, 2018/08/17 20:33:37 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2012-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org> |
|
* Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de> |
* |
* |
* 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> |
#include <string.h> |
#include <string.h> |
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#include "mandoc.h" |
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#include "roff.h" |
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#include "man.h" |
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#include "libmandoc.h" |
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#include "roff_int.h" |
#include "libman.h" |
#include "libman.h" |
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enum rew { |
static void blk_close(MACRO_PROT_ARGS); |
REW_REWIND, |
static void blk_exp(MACRO_PROT_ARGS); |
REW_NOHALT, |
static void blk_imp(MACRO_PROT_ARGS); |
REW_HALT |
static void in_line_eoln(MACRO_PROT_ARGS); |
}; |
static int man_args(struct roff_man *, int, |
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int *, char *, char **); |
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static void rew_scope(struct roff_man *, enum roff_tok); |
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static int blk_close(MACRO_PROT_ARGS); |
static const struct man_macro man_macros[MAN_MAX - MAN_TH] = { |
static int blk_dotted(MACRO_PROT_ARGS); |
{ in_line_eoln, MAN_BSCOPE }, /* TH */ |
static int blk_exp(MACRO_PROT_ARGS); |
{ blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SH */ |
static int blk_imp(MACRO_PROT_ARGS); |
{ blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SS */ |
static int in_line_eoln(MACRO_PROT_ARGS); |
{ blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* TP */ |
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{ blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* TQ */ |
static int rew_scope(enum man_type, |
{ blk_imp, MAN_BSCOPE }, /* LP */ |
struct man *, enum mant); |
{ blk_imp, MAN_BSCOPE }, /* PP */ |
static enum rew rew_dohalt(enum mant, enum man_type, |
{ blk_imp, MAN_BSCOPE }, /* P */ |
const struct man_node *); |
{ blk_imp, MAN_BSCOPE }, /* IP */ |
static enum rew rew_block(enum mant, enum man_type, |
{ blk_imp, MAN_BSCOPE }, /* HP */ |
const struct man_node *); |
{ in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* SM */ |
static int rew_warn(struct man *, |
{ in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* SB */ |
struct man_node *, enum merr); |
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const struct man_macro __man_macros[MAN_MAX] = { |
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{ in_line_eoln, MAN_NSCOPED }, /* br */ |
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{ in_line_eoln, 0 }, /* TH */ |
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{ blk_imp, MAN_SCOPED }, /* SH */ |
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{ blk_imp, MAN_SCOPED }, /* SS */ |
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{ blk_imp, MAN_SCOPED | MAN_FSCOPED }, /* TP */ |
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{ blk_imp, 0 }, /* LP */ |
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{ blk_imp, 0 }, /* PP */ |
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{ blk_imp, 0 }, /* P */ |
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{ blk_imp, 0 }, /* IP */ |
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{ blk_imp, 0 }, /* HP */ |
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{ in_line_eoln, MAN_SCOPED }, /* SM */ |
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{ in_line_eoln, MAN_SCOPED }, /* SB */ |
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{ in_line_eoln, 0 }, /* BI */ |
{ in_line_eoln, 0 }, /* BI */ |
{ in_line_eoln, 0 }, /* IB */ |
{ in_line_eoln, 0 }, /* IB */ |
{ in_line_eoln, 0 }, /* BR */ |
{ in_line_eoln, 0 }, /* BR */ |
{ in_line_eoln, 0 }, /* RB */ |
{ in_line_eoln, 0 }, /* RB */ |
{ in_line_eoln, MAN_SCOPED }, /* R */ |
{ in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* R */ |
{ in_line_eoln, MAN_SCOPED }, /* B */ |
{ in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* B */ |
{ in_line_eoln, MAN_SCOPED }, /* I */ |
{ in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* I */ |
{ in_line_eoln, 0 }, /* IR */ |
{ in_line_eoln, 0 }, /* IR */ |
{ in_line_eoln, 0 }, /* RI */ |
{ in_line_eoln, 0 }, /* RI */ |
{ in_line_eoln, MAN_NSCOPED }, /* na */ |
{ in_line_eoln, MAN_NSCOPED }, /* nf */ |
{ in_line_eoln, 0 }, /* i */ |
{ in_line_eoln, MAN_NSCOPED }, /* fi */ |
{ in_line_eoln, MAN_NSCOPED }, /* sp */ |
{ blk_close, MAN_BSCOPE }, /* RE */ |
{ in_line_eoln, 0 }, /* nf */ |
{ blk_exp, MAN_BSCOPE }, /* RS */ |
{ in_line_eoln, 0 }, /* fi */ |
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{ in_line_eoln, 0 }, /* r */ |
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{ blk_close, 0 }, /* RE */ |
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{ blk_exp, MAN_EXPLICIT }, /* RS */ |
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{ in_line_eoln, 0 }, /* DT */ |
{ in_line_eoln, 0 }, /* DT */ |
{ in_line_eoln, 0 }, /* UC */ |
{ in_line_eoln, 0 }, /* UC */ |
{ in_line_eoln, 0 }, /* PD */ |
{ in_line_eoln, MAN_NSCOPED }, /* PD */ |
{ in_line_eoln, MAN_NSCOPED }, /* Sp */ |
{ in_line_eoln, 0 }, /* AT */ |
{ in_line_eoln, 0 }, /* Vb */ |
{ in_line_eoln, MAN_NSCOPED }, /* in */ |
{ in_line_eoln, 0 }, /* Ve */ |
{ in_line_eoln, 0 }, /* OP */ |
{ blk_exp, MAN_EXPLICIT | MAN_NOCLOSE}, /* de */ |
{ in_line_eoln, MAN_BSCOPE }, /* EX */ |
{ blk_exp, MAN_EXPLICIT | MAN_NOCLOSE}, /* dei */ |
{ in_line_eoln, MAN_BSCOPE }, /* EE */ |
{ blk_exp, MAN_EXPLICIT | MAN_NOCLOSE}, /* am */ |
{ blk_exp, MAN_BSCOPE }, /* UR */ |
{ blk_exp, MAN_EXPLICIT | MAN_NOCLOSE}, /* ami */ |
{ blk_close, MAN_BSCOPE }, /* UE */ |
{ blk_exp, MAN_EXPLICIT | MAN_NOCLOSE}, /* ig */ |
{ blk_exp, MAN_BSCOPE }, /* MT */ |
{ blk_dotted, 0 }, /* . */ |
{ blk_close, MAN_BSCOPE }, /* ME */ |
}; |
}; |
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const struct man_macro * const man_macros = __man_macros; |
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const struct man_macro * |
/* |
man_macro(enum roff_tok tok) |
* Warn when "n" is an explicit non-roff macro. |
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*/ |
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static int |
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rew_warn(struct man *m, struct man_node *n, enum merr er) |
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{ |
{ |
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assert(tok >= MAN_TH && tok <= MAN_MAX); |
if (er == WERRMAX || MAN_BLOCK != n->type) |
return man_macros + (tok - MAN_TH); |
return(1); |
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if (MAN_VALID & n->flags) |
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return(1); |
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if ( ! (MAN_EXPLICIT & man_macros[n->tok].flags)) |
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return(1); |
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if (MAN_NOCLOSE & man_macros[n->tok].flags) |
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return(1); |
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return(man_nwarn(m, n, er)); |
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} |
} |
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void |
/* |
man_unscope(struct roff_man *man, const struct roff_node *to) |
* Rewind scope. If a code "er" != WERRMAX has been provided, it will |
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* be used if an explicit block scope is being closed out. |
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*/ |
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int |
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man_unscope(struct man *m, const struct man_node *n, enum merr er) |
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{ |
{ |
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struct roff_node *n; |
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assert(n); |
to = to->parent; |
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n = man->last; |
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while (n != to) { |
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/* LINTED */ |
/* Reached the end of the document? */ |
while (m->last != n) { |
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if ( ! rew_warn(m, m->last, er)) |
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return(0); |
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if ( ! man_valid_post(m)) |
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return(0); |
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if ( ! man_action_post(m)) |
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return(0); |
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m->last = m->last->parent; |
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assert(m->last); |
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} |
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if ( ! rew_warn(m, m->last, er)) |
if (to == NULL && ! (n->flags & NODE_VALID)) { |
return(0); |
if (man->flags & (MAN_BLINE | MAN_ELINE) && |
if ( ! man_valid_post(m)) |
man_macro(n->tok)->flags & MAN_SCOPED) { |
return(0); |
mandoc_vmsg(MANDOCERR_BLK_LINE, |
if ( ! man_action_post(m)) |
man->parse, n->line, n->pos, |
return(0); |
"EOF breaks %s", roff_name[n->tok]); |
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if (man->flags & MAN_ELINE) |
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man->flags &= ~MAN_ELINE; |
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else { |
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assert(n->type == ROFFT_HEAD); |
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n = n->parent; |
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man->flags &= ~MAN_BLINE; |
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} |
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man->last = n; |
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n = n->parent; |
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roff_node_delete(man, man->last); |
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continue; |
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} |
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if (n->type == ROFFT_BLOCK && |
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man_macro(n->tok)->fp == blk_exp) |
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mandoc_msg(MANDOCERR_BLK_NOEND, |
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man->parse, n->line, n->pos, |
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roff_name[n->tok]); |
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} |
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m->next = MAN_ROOT == m->last->type ? |
/* |
MAN_NEXT_CHILD : MAN_NEXT_SIBLING; |
* We might delete the man->last node |
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* in the post-validation phase. |
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* Save a pointer to the parent such that |
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* we know where to continue the iteration. |
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*/ |
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return(1); |
man->last = n; |
} |
n = n->parent; |
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man->last->flags |= NODE_VALID; |
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} |
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static enum rew |
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rew_block(enum mant ntok, enum man_type type, const struct man_node *n) |
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{ |
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if (MAN_BLOCK == type && ntok == n->parent->tok && |
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MAN_BODY == n->parent->type) |
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return(REW_REWIND); |
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return(ntok == n->tok ? REW_HALT : REW_NOHALT); |
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} |
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/* |
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* There are three scope levels: scoped to the root (all), scoped to the |
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* section (all less sections), and scoped to subsections (all less |
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* sections and subsections). |
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*/ |
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static enum rew |
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rew_dohalt(enum mant tok, enum man_type type, const struct man_node *n) |
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{ |
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enum rew c; |
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/* We cannot progress beyond the root ever. */ |
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if (MAN_ROOT == n->type) |
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return(REW_HALT); |
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assert(n->parent); |
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/* Normal nodes shouldn't go to the level of the root. */ |
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if (MAN_ROOT == n->parent->type) |
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return(REW_REWIND); |
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/* Already-validated nodes should be closed out. */ |
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if (MAN_VALID & n->flags) |
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return(REW_NOHALT); |
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/* First: rewind to ourselves. */ |
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if (type == n->type && tok == n->tok) |
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return(REW_REWIND); |
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/* |
/* |
* If we're a roff macro, then we can close out anything that |
* If we ended up at the parent of the node we were |
* stands between us and our parent context. |
* supposed to rewind to, that means the target node |
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* got deleted, so add the next node we parse as a child |
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* of the parent instead of as a sibling of the target. |
*/ |
*/ |
if (MAN_NOCLOSE & man_macros[tok].flags) |
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return(REW_NOHALT); |
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/* |
man->next = (man->last == to) ? |
* Don't clobber roff macros: this is a bit complicated. If the |
ROFF_NEXT_CHILD : ROFF_NEXT_SIBLING; |
* current macro is a roff macro, halt immediately and don't |
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* rewind. If it's not, and the parent is, then close out the |
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* current scope and halt at the parent. |
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*/ |
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if (MAN_NOCLOSE & man_macros[n->tok].flags) |
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return(REW_HALT); |
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if (MAN_NOCLOSE & man_macros[n->parent->tok].flags) |
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return(REW_REWIND); |
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/* |
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* Next follow the implicit scope-smashings as defined by man.7: |
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* section, sub-section, etc. |
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*/ |
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switch (tok) { |
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case (MAN_SH): |
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break; |
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case (MAN_SS): |
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/* Rewind to a section, if a block. */ |
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if (REW_NOHALT != (c = rew_block(MAN_SH, type, n))) |
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return(c); |
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break; |
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case (MAN_RS): |
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/* Rewind to a subsection, if a block. */ |
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if (REW_NOHALT != (c = rew_block(MAN_SS, type, n))) |
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return(c); |
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/* Rewind to a section, if a block. */ |
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if (REW_NOHALT != (c = rew_block(MAN_SH, type, n))) |
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return(c); |
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break; |
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default: |
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/* Rewind to an offsetter, if a block. */ |
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if (REW_NOHALT != (c = rew_block(MAN_RS, type, n))) |
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return(c); |
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/* Rewind to a subsection, if a block. */ |
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if (REW_NOHALT != (c = rew_block(MAN_SS, type, n))) |
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return(c); |
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/* Rewind to a section, if a block. */ |
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if (REW_NOHALT != (c = rew_block(MAN_SH, type, n))) |
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return(c); |
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break; |
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} |
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return(REW_NOHALT); |
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} |
} |
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/* |
/* |
* Rewinding entails ascending the parse tree until a coherent point, |
* Rewinding entails ascending the parse tree until a coherent point, |
* for example, the `SH' macro will close out any intervening `SS' |
* for example, the `SH' macro will close out any intervening `SS' |
* scopes. When a scope is closed, it must be validated and actioned. |
* scopes. When a scope is closed, it must be validated and actioned. |
*/ |
*/ |
static int |
static void |
rew_scope(enum man_type type, struct man *m, enum mant tok) |
rew_scope(struct roff_man *man, enum roff_tok tok) |
{ |
{ |
struct man_node *n; |
struct roff_node *n; |
enum rew c; |
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/* LINTED */ |
/* Preserve empty paragraphs before RS. */ |
for (n = m->last; n; n = n->parent) { |
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/* |
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* Whether we should stop immediately (REW_HALT), stop |
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* and rewind until this point (REW_REWIND), or keep |
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* rewinding (REW_NOHALT). |
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*/ |
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c = rew_dohalt(tok, type, n); |
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if (REW_HALT == c) |
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return(1); |
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if (REW_REWIND == c) |
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break; |
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} |
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/* |
n = man->last; |
* Rewind until the current point. Warn if we're a roff |
if (tok == MAN_RS && n->child == NULL && |
* instruction that's mowing over explicit scopes. |
(n->tok == MAN_P || n->tok == MAN_PP || n->tok == MAN_LP)) |
*/ |
return; |
assert(n); |
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if (MAN_NOCLOSE & man_macros[tok].flags) |
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return(man_unscope(m, n, WROFFSCOPE)); |
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return(man_unscope(m, n, WERRMAX)); |
for (;;) { |
} |
if (n->type == ROFFT_ROOT) |
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return; |
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if (n->flags & NODE_VALID) { |
/* |
n = n->parent; |
* Closure for dotted macros (de, dei, am, ami, ign). This must handle |
continue; |
* any of these as the parent node, so it needs special handling. |
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* Beyond this, it's the same as blk_close(). |
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*/ |
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/* ARGSUSED */ |
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int |
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blk_dotted(MACRO_PROT_ARGS) |
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{ |
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enum mant ntok; |
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struct man_node *nn; |
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/* Check for any of the following parents... */ |
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for (nn = m->last->parent; nn; nn = nn->parent) |
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if (nn->tok == MAN_de || nn->tok == MAN_dei || |
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nn->tok == MAN_am || |
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nn->tok == MAN_ami || |
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nn->tok == MAN_ig) { |
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ntok = nn->tok; |
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break; |
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} |
} |
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if (n->type != ROFFT_BLOCK) { |
if (NULL == nn) { |
if (n->parent->type == ROFFT_ROOT) { |
if ( ! man_pwarn(m, line, ppos, WNOSCOPE)) |
man_unscope(man, n); |
return(0); |
return; |
return(1); |
} else { |
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n = n->parent; |
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continue; |
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} |
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} |
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if (tok != MAN_SH && (n->tok == MAN_SH || |
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(tok != MAN_SS && (n->tok == MAN_SS || |
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man_macro(n->tok)->fp == blk_exp)))) |
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return; |
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man_unscope(man, n); |
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n = man->last; |
} |
} |
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if ( ! rew_scope(MAN_BODY, m, ntok)) |
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return(0); |
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if ( ! rew_scope(MAN_BLOCK, m, ntok)) |
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return(0); |
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/* |
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* XXX: manually adjust our next-line status. roff macros are, |
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* for the moment, ignored, so we don't want to close out bodies |
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* and so on. |
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*/ |
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switch (m->last->type) { |
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case (MAN_BODY): |
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m->next = MAN_NEXT_CHILD; |
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break; |
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default: |
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break; |
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} |
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/* |
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* Restore flags set when we got here and also stipulate that we |
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* don't post-process the line when exiting the macro op |
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* function in man_pmacro(). |
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*/ |
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m->flags = m->svflags; |
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m->flags |= MAN_ILINE; |
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return(1); |
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} |
} |
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/* |
/* |
* Close out a generic explicit macro. |
* Close out a generic explicit macro. |
*/ |
*/ |
/* ARGSUSED */ |
void |
int |
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blk_close(MACRO_PROT_ARGS) |
blk_close(MACRO_PROT_ARGS) |
{ |
{ |
enum mant ntok; |
enum roff_tok ctok, ntok; |
const struct man_node *nn; |
const struct roff_node *nn; |
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char *p; |
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int cline, cpos, nrew, target; |
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nrew = 1; |
switch (tok) { |
switch (tok) { |
case (MAN_RE): |
case MAN_RE: |
ntok = MAN_RS; |
ntok = MAN_RS; |
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if ( ! man_args(man, line, pos, buf, &p)) |
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break; |
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for (nn = man->last->parent; nn; nn = nn->parent) |
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if (nn->tok == ntok && nn->type == ROFFT_BLOCK) |
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nrew++; |
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target = strtol(p, &p, 10); |
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if (*p != '\0') |
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mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse, |
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line, p - buf, "RE ... %s", p); |
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if (target == 0) |
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target = 1; |
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nrew -= target; |
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if (nrew < 1) { |
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mandoc_vmsg(MANDOCERR_RE_NOTOPEN, man->parse, |
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line, ppos, "RE %d", target); |
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return; |
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} |
break; |
break; |
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case MAN_UE: |
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ntok = MAN_UR; |
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break; |
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case MAN_ME: |
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ntok = MAN_MT; |
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break; |
default: |
default: |
abort(); |
abort(); |
/* NOTREACHED */ |
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} |
} |
|
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for (nn = m->last->parent; nn; nn = nn->parent) |
for (nn = man->last->parent; nn; nn = nn->parent) |
if (ntok == nn->tok) |
if (nn->tok == ntok && nn->type == ROFFT_BLOCK && ! --nrew) |
break; |
break; |
|
|
if (NULL == nn) |
if (nn == NULL) { |
if ( ! man_pwarn(m, line, ppos, WNOSCOPE)) |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, man->parse, |
return(0); |
line, ppos, roff_name[tok]); |
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rew_scope(man, MAN_PP); |
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return; |
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} |
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if ( ! rew_scope(MAN_BODY, m, ntok)) |
cline = man->last->line; |
return(0); |
cpos = man->last->pos; |
if ( ! rew_scope(MAN_BLOCK, m, ntok)) |
ctok = man->last->tok; |
return(0); |
man_unscope(man, nn); |
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return(1); |
if (tok == MAN_RE && nn->head->aux > 0) |
} |
roff_setreg(man->roff, "an-margin", nn->head->aux, '-'); |
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|
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/* Trailing text. */ |
|
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int |
if (buf[*pos] != '\0') { |
blk_exp(MACRO_PROT_ARGS) |
roff_word_alloc(man, line, ppos, buf + *pos); |
{ |
man->last->flags |= NODE_DELIMC; |
int w, la; |
} |
char *p; |
|
|
|
/* |
/* Move a trailing paragraph behind the block. */ |
* Close out prior scopes. "Regular" explicit macros cannot be |
|
* nested, but we allow roff macros to be placed just about |
|
* anywhere. |
|
*/ |
|
|
|
if ( ! (MAN_NOCLOSE & man_macros[tok].flags)) { |
if (ctok == MAN_LP || ctok == MAN_PP || ctok == MAN_P) { |
if ( ! rew_scope(MAN_BODY, m, tok)) |
*pos = strlen(buf); |
return(0); |
blk_imp(man, ctok, cline, cpos, pos, buf); |
if ( ! rew_scope(MAN_BLOCK, m, tok)) |
|
return(0); |
|
} else { |
|
/* |
|
* Save our state; we restore it when exiting from the |
|
* roff instruction block. |
|
*/ |
|
m->svflags = m->flags; |
|
m->flags = 0; |
|
} |
} |
|
} |
|
|
if ( ! man_block_alloc(m, line, ppos, tok)) |
void |
return(0); |
blk_exp(MACRO_PROT_ARGS) |
if ( ! man_head_alloc(m, line, ppos, tok)) |
{ |
return(0); |
struct roff_node *head; |
|
char *p; |
|
int la; |
|
|
for (;;) { |
rew_scope(man, tok); |
la = *pos; |
roff_block_alloc(man, line, ppos, tok); |
w = man_args(m, line, pos, buf, &p); |
head = roff_head_alloc(man, line, ppos, tok); |
|
|
if (-1 == w) |
la = *pos; |
return(0); |
if (man_args(man, line, pos, buf, &p)) { |
if (0 == w) |
roff_word_alloc(man, line, la, p); |
break; |
if (tok == MAN_RS) { |
|
if (roff_getreg(man->roff, "an-margin") == 0) |
if ( ! man_word_alloc(m, line, la, p)) |
roff_setreg(man->roff, "an-margin", |
return(0); |
7 * 24, '='); |
|
if ((head->aux = strtod(p, NULL) * 24.0) > 0) |
|
roff_setreg(man->roff, "an-margin", |
|
head->aux, '+'); |
|
} |
} |
} |
|
|
assert(m); |
if (buf[*pos] != '\0') |
assert(tok != MAN_MAX); |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse, line, |
|
*pos, "%s ... %s", roff_name[tok], buf + *pos); |
|
|
if ( ! rew_scope(MAN_HEAD, m, tok)) |
man_unscope(man, head); |
return(0); |
roff_body_alloc(man, line, ppos, tok); |
return(man_body_alloc(m, line, ppos, tok)); |
|
} |
} |
|
|
|
|
|
|
/* |
/* |
* Parse an implicit-block macro. These contain a MAN_HEAD and a |
* Parse an implicit-block macro. These contain a ROFFT_HEAD and a |
* MAN_BODY contained within a MAN_BLOCK. Rules for closing out other |
* ROFFT_BODY contained within a ROFFT_BLOCK. Rules for closing out other |
* scopes, such as `SH' closing out an `SS', are defined in the rew |
* scopes, such as `SH' closing out an `SS', are defined in the rew |
* routines. |
* routines. |
*/ |
*/ |
int |
void |
blk_imp(MACRO_PROT_ARGS) |
blk_imp(MACRO_PROT_ARGS) |
{ |
{ |
int w, la; |
int la; |
char *p; |
char *p; |
struct man_node *n; |
struct roff_node *n; |
|
|
/* Close out prior scopes. */ |
rew_scope(man, tok); |
|
n = roff_block_alloc(man, line, ppos, tok); |
|
if (n->tok == MAN_SH || n->tok == MAN_SS) |
|
man->flags &= ~MAN_LITERAL; |
|
n = roff_head_alloc(man, line, ppos, tok); |
|
|
if ( ! rew_scope(MAN_BODY, m, tok)) |
|
return(0); |
|
if ( ! rew_scope(MAN_BLOCK, m, tok)) |
|
return(0); |
|
|
|
/* Allocate new block & head scope. */ |
|
|
|
if ( ! man_block_alloc(m, line, ppos, tok)) |
|
return(0); |
|
if ( ! man_head_alloc(m, line, ppos, tok)) |
|
return(0); |
|
|
|
n = m->last; |
|
|
|
/* Add line arguments. */ |
/* Add line arguments. */ |
|
|
for (;;) { |
for (;;) { |
la = *pos; |
la = *pos; |
w = man_args(m, line, pos, buf, &p); |
if ( ! man_args(man, line, pos, buf, &p)) |
|
|
if (-1 == w) |
|
return(0); |
|
if (0 == w) |
|
break; |
break; |
|
roff_word_alloc(man, line, la, p); |
if ( ! man_word_alloc(m, line, la, p)) |
|
return(0); |
|
} |
} |
|
|
/* Close out head and open body (unless MAN_SCOPE). */ |
/* |
|
* For macros having optional next-line scope, |
|
* keep the head open if there were no arguments. |
|
* For `TP', always keep the head open. |
|
*/ |
|
|
if (MAN_SCOPED & man_macros[tok].flags) { |
if (man_macro(tok)->flags & MAN_SCOPED && |
/* If we're forcing scope (`TP'), keep it open. */ |
(tok == MAN_TP || tok == MAN_TQ || n == man->last)) { |
if (MAN_FSCOPED & man_macros[tok].flags) { |
man->flags |= MAN_BLINE; |
m->flags |= MAN_BLINE; |
return; |
return(1); |
|
} else if (n == m->last) { |
|
m->flags |= MAN_BLINE; |
|
return(1); |
|
} |
|
} |
} |
|
|
if ( ! rew_scope(MAN_HEAD, m, tok)) |
/* Close out the head and open the body. */ |
return(0); |
|
return(man_body_alloc(m, line, ppos, tok)); |
man_unscope(man, n); |
|
roff_body_alloc(man, line, ppos, tok); |
} |
} |
|
|
|
void |
int |
|
in_line_eoln(MACRO_PROT_ARGS) |
in_line_eoln(MACRO_PROT_ARGS) |
{ |
{ |
int w, la; |
int la; |
char *p; |
char *p; |
struct man_node *n; |
struct roff_node *n; |
|
|
if ( ! man_elem_alloc(m, line, ppos, tok)) |
roff_elem_alloc(man, line, ppos, tok); |
return(0); |
n = man->last; |
|
|
n = m->last; |
|
|
|
for (;;) { |
for (;;) { |
|
if (buf[*pos] != '\0' && (tok == MAN_fi || tok == MAN_nf)) { |
|
mandoc_vmsg(MANDOCERR_ARG_SKIP, |
|
man->parse, line, *pos, "%s %s", |
|
roff_name[tok], buf + *pos); |
|
break; |
|
} |
|
if (buf[*pos] != '\0' && man->last != n && tok == MAN_PD) { |
|
mandoc_vmsg(MANDOCERR_ARG_EXCESS, |
|
man->parse, line, *pos, "%s ... %s", |
|
roff_name[tok], buf + *pos); |
|
break; |
|
} |
la = *pos; |
la = *pos; |
w = man_args(m, line, pos, buf, &p); |
if ( ! man_args(man, line, pos, buf, &p)) |
|
|
if (-1 == w) |
|
return(0); |
|
if (0 == w) |
|
break; |
break; |
if ( ! man_word_alloc(m, line, la, p)) |
if (man_macro(tok)->flags & MAN_JOIN && |
return(0); |
man->last->type == ROFFT_TEXT) |
|
roff_word_append(man, p); |
|
else |
|
roff_word_alloc(man, line, la, p); |
} |
} |
|
|
/* |
/* |
|
* Append NODE_EOS in case the last snipped argument |
|
* ends with a dot, e.g. `.IR syslog (3).' |
|
*/ |
|
|
|
if (n != man->last && |
|
mandoc_eos(man->last->string, strlen(man->last->string))) |
|
man->last->flags |= NODE_EOS; |
|
|
|
/* |
* If no arguments are specified and this is MAN_SCOPED (i.e., |
* If no arguments are specified and this is MAN_SCOPED (i.e., |
* next-line scoped), then set our mode to indicate that we're |
* next-line scoped), then set our mode to indicate that we're |
* waiting for terms to load into our context. |
* waiting for terms to load into our context. |
*/ |
*/ |
|
|
if (n == m->last && MAN_SCOPED & man_macros[tok].flags) { |
if (n == man->last && man_macro(tok)->flags & MAN_SCOPED) { |
assert( ! (MAN_NSCOPED & man_macros[tok].flags)); |
assert((man_macro(tok)->flags & MAN_NSCOPED) == 0); |
m->flags |= MAN_ELINE; |
man->flags |= MAN_ELINE; |
return(1); |
return; |
} |
} |
|
|
/* Set ignorable context, if applicable. */ |
assert(man->last->type != ROFFT_ROOT); |
|
man->next = ROFF_NEXT_SIBLING; |
|
|
if (MAN_NSCOPED & man_macros[tok].flags) { |
/* Rewind our element scope. */ |
assert( ! (MAN_SCOPED & man_macros[tok].flags)); |
|
m->flags |= MAN_ILINE; |
|
} |
|
|
|
/* |
|
* Rewind our element scope. Note that when TH is pruned, we'll |
|
* be back at the root, so make sure that we don't clobber as |
|
* its sibling. |
|
*/ |
|
|
|
for ( ; m->last; m->last = m->last->parent) { |
for ( ; man->last; man->last = man->last->parent) { |
if (m->last == n) |
man_state(man, man->last); |
|
if (man->last == n) |
break; |
break; |
if (m->last->type == MAN_ROOT) |
|
break; |
|
if ( ! man_valid_post(m)) |
|
return(0); |
|
if ( ! man_action_post(m)) |
|
return(0); |
|
} |
} |
|
} |
|
|
assert(m->last); |
void |
|
man_endparse(struct roff_man *man) |
|
{ |
|
|
/* |
man_unscope(man, man->first); |
* Same here regarding whether we're back at the root. |
man->flags &= ~MAN_LITERAL; |
*/ |
|
|
|
if (m->last->type != MAN_ROOT && ! man_valid_post(m)) |
|
return(0); |
|
if (m->last->type != MAN_ROOT && ! man_action_post(m)) |
|
return(0); |
|
|
|
m->next = MAN_ROOT == m->last->type ? |
|
MAN_NEXT_CHILD : MAN_NEXT_SIBLING; |
|
|
|
return(1); |
|
} |
} |
|
|
|
static int |
int |
man_args(struct roff_man *man, int line, int *pos, char *buf, char **v) |
man_macroend(struct man *m) |
|
{ |
{ |
|
char *start; |
|
|
return(man_unscope(m, m->first, WEXITSCOPE)); |
assert(*pos); |
} |
*v = start = buf + *pos; |
|
assert(' ' != *start); |
|
|
|
if ('\0' == *start) |
|
return 0; |
|
|
|
*v = mandoc_getarg(man->parse, v, line, pos); |
|
return 1; |
|
} |