version 1.140, 2014/08/10 23:54:41 |
version 1.190, 2015/04/19 13:50:26 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* 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 |
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#include <string.h> |
#include <string.h> |
#include <time.h> |
#include <time.h> |
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#include "mdoc.h" |
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#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_FORCE, |
static void ctx_synopsis(MACRO_PROT_ARGS); |
REWIND_LATER, |
static void in_line_eoln(MACRO_PROT_ARGS); |
REWIND_ERROR |
static void in_line_argn(MACRO_PROT_ARGS); |
}; |
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 *, int, int, int, |
static int ctx_synopsis(MACRO_PROT_ARGS); |
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, int); |
static int in_line(MACRO_PROT_ARGS); |
static int parse_rest(struct roff_man *, int, int, int *, char *); |
static int phrase_ta(MACRO_PROT_ARGS); |
static int rew_alt(int); |
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static void rew_elem(struct roff_man *, int); |
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static void rew_last(struct roff_man *, const struct roff_node *); |
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static void rew_pending(struct roff_man *, |
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const struct roff_node *); |
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static int dword(struct mdoc *, int, int, const char *, |
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enum mdelim, int); |
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static int append_delims(struct mdoc *, |
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int, int *, char *); |
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static enum mdoct lookup(enum mdoct, const char *); |
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static enum mdoct lookup_raw(const char *); |
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static int make_pending(struct mdoc_node *, enum mdoct, |
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struct mdoc *, int, int); |
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static int phrase(struct mdoc *, int, int, char *); |
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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] = { |
const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dd */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dd */ |
Line 147 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 136 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ 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 */ |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | |
MDOC_IGNDELIM | MDOC_JOIN }, /* No */ |
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{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | |
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MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */ |
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 */ |
Line 172 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 160 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
MDOC_EXPLICIT | MDOC_JOIN }, /* So */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* So */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */ |
{ in_line_eoln, 0 }, /* Sm */ |
{ in_line_argn, 0 }, /* Sm */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */ |
Line 210 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 198 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ in_line_eoln, 0 }, /* sp */ |
{ in_line_eoln, 0 }, /* sp */ |
{ in_line_eoln, 0 }, /* %U */ |
{ in_line_eoln, 0 }, /* %U */ |
{ phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */ |
{ phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */ |
{ in_line_eoln, 0 }, /* ll */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* ll */ |
}; |
}; |
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const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
Line 221 const struct mdoc_macro * const mdoc_macros = __mdoc_m |
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Line 209 const struct mdoc_macro * const mdoc_macros = __mdoc_m |
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* 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 *mdoc) |
mdoc_macroend(struct roff_man *mdoc) |
{ |
{ |
struct mdoc_node *n; |
struct roff_node *n; |
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/* Scan for open explicit scopes. */ |
/* Scan for open explicit scopes. */ |
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n = MDOC_VALID & mdoc->last->flags ? |
n = mdoc->last->flags & MDOC_VALID ? |
mdoc->last->parent : mdoc->last; |
mdoc->last->parent : mdoc->last; |
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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_macros[n->tok].flags & MDOC_EXPLICIT) |
mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse, |
n->line, n->pos, mdoc_macronames[n->tok]); |
n->line, n->pos, mdoc_macronames[n->tok]); |
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/* Rewind to the first. */ |
/* Rewind to the first. */ |
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return(rew_last(mdoc, mdoc->first)); |
rew_last(mdoc, mdoc->first); |
} |
} |
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/* |
/* |
* Look up a macro from within a subsequent context. |
* Look up the macro at *p called by "from", |
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* or as a line macro if from == MDOC_MAX. |
*/ |
*/ |
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) |
{ |
{ |
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int res; |
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if ( ! (MDOC_PARSED & mdoc_macros[from].flags)) |
if (from == MDOC_MAX || mdoc_macros[from].flags & MDOC_PARSED) { |
return(MDOC_MAX); |
res = mdoc_hash_find(p); |
return(lookup_raw(p)); |
if (res != MDOC_MAX) { |
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if (mdoc_macros[res].flags & MDOC_CALLABLE) |
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return(res); |
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if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll) |
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mandoc_msg(MANDOCERR_MACRO_CALL, |
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mdoc->parse, line, ppos, p); |
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} |
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} |
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return(MDOC_MAX); |
} |
} |
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/* |
/* |
* 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; |
struct roff_node *n, *np; |
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if (MDOC_MAX == (res = mdoc_hash_find(p))) |
if (to->flags & MDOC_VALID) |
return(MDOC_MAX); |
return; |
if (MDOC_CALLABLE & mdoc_macros[res].flags) |
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return(res); |
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return(MDOC_MAX); |
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} |
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static int |
mdoc->next = ROFF_NEXT_SIBLING; |
rew_last(struct mdoc *mdoc, const struct mdoc_node *to) |
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{ |
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struct mdoc_node *n, *np; |
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assert(to); |
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mdoc->next = MDOC_NEXT_SIBLING; |
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while (mdoc->last != to) { |
while (mdoc->last != to) { |
/* |
/* |
* Save the parent here, because we may delete the |
* Save the parent here, because we may delete the |
Line 286 rew_last(struct mdoc *mdoc, const struct mdoc_node *to |
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Line 272 rew_last(struct mdoc *mdoc, const struct mdoc_node *to |
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* out to be lost. |
* out to be lost. |
*/ |
*/ |
np = mdoc->last->parent; |
np = mdoc->last->parent; |
if ( ! mdoc_valid_post(mdoc)) |
mdoc_valid_post(mdoc); |
return(0); |
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n = mdoc->last; |
n = mdoc->last; |
mdoc->last = np; |
mdoc->last = np; |
assert(mdoc->last); |
assert(mdoc->last); |
mdoc->last->last = n; |
mdoc->last->last = n; |
} |
} |
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mdoc_valid_post(mdoc); |
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} |
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return(mdoc_valid_post(mdoc)); |
/* |
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* Rewind up to a specific block, including all blocks that broke it. |
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*/ |
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static void |
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rew_pending(struct roff_man *mdoc, const struct roff_node *n) |
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{ |
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for (;;) { |
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rew_last(mdoc, n); |
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switch (n->type) { |
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case ROFFT_HEAD: |
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roff_body_alloc(mdoc, n->line, n->pos, n->tok); |
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return; |
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case ROFFT_BLOCK: |
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break; |
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default: |
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return; |
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} |
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if ( ! (n->flags & MDOC_BROKEN)) |
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return; |
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for (;;) { |
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if ((n = n->parent) == NULL) |
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return; |
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if (n->type == ROFFT_BLOCK || |
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n->type == ROFFT_HEAD) { |
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if (n->flags & MDOC_ENDED) |
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break; |
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else |
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return; |
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} |
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} |
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} |
} |
} |
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/* |
/* |
* For a block closing macro, return the corresponding opening one. |
* For a block closing macro, return the corresponding opening one. |
* Otherwise, return the macro itself. |
* Otherwise, return the macro itself. |
*/ |
*/ |
static enum mdoct |
static int |
rew_alt(enum mdoct tok) |
rew_alt(int tok) |
{ |
{ |
switch (tok) { |
switch (tok) { |
case MDOC_Ac: |
case MDOC_Ac: |
Line 343 rew_alt(enum mdoct tok) |
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Line 365 rew_alt(enum mdoct tok) |
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/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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/* |
static void |
* Rewinding to tok, how do we have to handle *p? |
rew_elem(struct roff_man *mdoc, int tok) |
* REWIND_NONE: *p would delimit tok, but no tok scope is open |
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* inside *p, so there is no need to rewind anything at all. |
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* REWIND_THIS: *p matches tok, so rewind *p and nothing else. |
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* REWIND_MORE: *p is implicit, rewind it and keep searching for tok. |
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* REWIND_FORCE: *p is explicit, but tok is full, force rewinding *p. |
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* REWIND_LATER: *p is explicit and still open, postpone rewinding. |
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* REWIND_ERROR: No tok block is open at all. |
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*/ |
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static enum rew |
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rew_dohalt(enum mdoct tok, enum mdoc_type type, |
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const struct mdoc_node *p) |
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{ |
{ |
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struct roff_node *n; |
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/* |
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* No matching token, no delimiting block, no broken block. |
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* This can happen when full implicit macros are called for |
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* the first time but try to rewind their previous |
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* instance anyway. |
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*/ |
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if (MDOC_ROOT == p->type) |
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return(MDOC_BLOCK == type && |
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MDOC_EXPLICIT & mdoc_macros[tok].flags ? |
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REWIND_ERROR : REWIND_NONE); |
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/* |
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* When starting to rewind, skip plain text |
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* and nodes that have already been rewound. |
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*/ |
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if (MDOC_TEXT == p->type || MDOC_VALID & p->flags) |
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return(REWIND_MORE); |
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/* |
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* The easiest case: Found a matching token. |
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* This applies to both blocks and elements. |
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*/ |
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tok = rew_alt(tok); |
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if (tok == p->tok) |
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return(p->end ? REWIND_NONE : |
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type == p->type ? REWIND_THIS : REWIND_MORE); |
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/* |
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* While elements do require rewinding for themselves, |
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* they never affect rewinding of other nodes. |
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*/ |
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if (MDOC_ELEM == p->type) |
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return(REWIND_MORE); |
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/* |
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* Blocks delimited by our target token get REWIND_MORE. |
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* Blocks delimiting our target token get REWIND_NONE. |
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*/ |
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switch (tok) { |
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case MDOC_Bl: |
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if (MDOC_It == p->tok) |
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return(REWIND_MORE); |
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break; |
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case MDOC_It: |
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if (MDOC_BODY == p->type && MDOC_Bl == p->tok) |
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return(REWIND_NONE); |
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break; |
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/* |
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* XXX Badly nested block handling still fails badly |
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* when one block is breaking two blocks of the same type. |
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* This is an incomplete and extremely ugly workaround, |
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* required to let the OpenBSD tree build. |
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*/ |
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case MDOC_Oo: |
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if (MDOC_Op == p->tok) |
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return(REWIND_MORE); |
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break; |
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case MDOC_Nm: |
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return(REWIND_NONE); |
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case MDOC_Nd: |
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/* FALLTHROUGH */ |
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case MDOC_Ss: |
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if (MDOC_BODY == p->type && MDOC_Sh == p->tok) |
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return(REWIND_NONE); |
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/* FALLTHROUGH */ |
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case MDOC_Sh: |
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if (MDOC_ROOT == p->parent->type) |
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return(REWIND_THIS); |
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if (MDOC_Nd == p->tok || MDOC_Ss == p->tok || |
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MDOC_Sh == p->tok) |
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return(REWIND_MORE); |
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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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* Default block rewinding rules. |
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* In particular, always skip block end markers, |
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* and let all blocks rewind Nm children. |
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*/ |
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if (ENDBODY_NOT != p->end || MDOC_Nm == p->tok || |
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(MDOC_BLOCK == p->type && |
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! (MDOC_EXPLICIT & mdoc_macros[tok].flags))) |
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return(REWIND_MORE); |
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/* |
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* By default, closing out full blocks |
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* forces closing of broken explicit blocks, |
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* while closing out partial blocks |
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* allows delayed rewinding by default. |
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*/ |
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return (&blk_full == mdoc_macros[tok].fp ? |
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REWIND_FORCE : REWIND_LATER); |
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} |
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static int |
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rew_elem(struct mdoc *mdoc, enum mdoct tok) |
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{ |
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struct mdoc_node *n; |
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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); |
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rew_last(mdoc, n); |
return(rew_last(mdoc, n)); |
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} |
} |
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/* |
/* |
* 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. |
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*/ |
*/ |
static int |
static int |
make_pending(struct mdoc_node *broken, enum mdoct tok, |
find_pending(struct roff_man *mdoc, int tok, int line, int ppos, |
struct mdoc *mdoc, int line, int ppos) |
struct roff_node *target) |
{ |
{ |
struct mdoc_node *breaker; |
struct roff_node *n; |
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int irc; |
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/* |
irc = 0; |
* Iterate backwards, searching for the block matching tok, |
for (n = mdoc->last; n != NULL && n != target; n = n->parent) { |
* that is, the block breaking the *broken block. |
if (n->flags & MDOC_ENDED) { |
*/ |
if ( ! (n->flags & MDOC_VALID)) |
for (breaker = broken->parent; breaker; breaker = breaker->parent) { |
n->flags |= MDOC_BROKEN; |
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/* |
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* If the *broken block had already been broken before |
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* and we encounter its breaker, make the tok block |
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* pending on the inner breaker. |
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* Graphically, "[A breaker=[B broken=[C->B B] tok=A] C]" |
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* becomes "[A broken=[B [C->B B] tok=A] C]" |
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* and finally "[A [B->A [C->B B] A] C]". |
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*/ |
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if (breaker == broken->pending) { |
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broken = breaker; |
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continue; |
continue; |
} |
} |
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if (n->type == ROFFT_BLOCK && |
if (REWIND_THIS != rew_dohalt(tok, MDOC_BLOCK, breaker)) |
mdoc_macros[n->tok].flags & MDOC_EXPLICIT) { |
continue; |
irc = 1; |
if (MDOC_BODY == broken->type) |
n->flags = MDOC_BROKEN; |
broken = broken->parent; |
if (target->type == ROFFT_HEAD) |
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target->flags = MDOC_ENDED; |
/* |
else if ( ! (target->flags & MDOC_ENDED)) { |
* Found the breaker. |
mandoc_vmsg(MANDOCERR_BLK_NEST, |
* If another, outer breaker is already pending on |
mdoc->parse, line, ppos, |
* the *broken block, we must not clobber the link |
"%s breaks %s", mdoc_macronames[tok], |
* to the outer breaker, but make it pending on the |
mdoc_macronames[n->tok]); |
* new, now inner breaker. |
mdoc_endbody_alloc(mdoc, line, ppos, |
* Graphically, "[A breaker=[B broken=[C->A A] tok=B] C]" |
tok, target, ENDBODY_NOSPACE); |
* becomes "[A breaker=[B->A broken=[C A] tok=B] C]" |
} |
* and finally "[A [B->A [C->B A] B] C]". |
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*/ |
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if (broken->pending) { |
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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; |
|
mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, 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? |
|
*/ |
|
return(0); |
|
} |
} |
|
|
static int |
|
rew_sub(enum mdoc_type t, struct mdoc *mdoc, |
|
enum mdoct tok, int line, int ppos) |
|
{ |
|
struct mdoc_node *n; |
|
|
|
n = mdoc->last; |
|
while (n) { |
|
switch (rew_dohalt(tok, t, n)) { |
|
case REWIND_NONE: |
|
return(1); |
|
case REWIND_THIS: |
|
n->lastline = line - |
|
(MDOC_NEWLINE & mdoc->flags && |
|
! (MDOC_EXPLICIT & mdoc_macros[tok].flags)); |
|
break; |
|
case REWIND_FORCE: |
|
mandoc_vmsg(MANDOCERR_BLK_BROKEN, mdoc->parse, |
|
line, ppos, "%s breaks %s", |
|
mdoc_macronames[tok], |
|
mdoc_macronames[n->tok]); |
|
/* FALLTHROUGH */ |
|
case REWIND_MORE: |
|
n->lastline = line - |
|
(MDOC_NEWLINE & mdoc->flags ? 1 : 0); |
|
n = n->parent; |
|
continue; |
|
case REWIND_LATER: |
|
if (make_pending(n, tok, mdoc, line, ppos) || |
|
MDOC_BLOCK != t) |
|
return(1); |
|
/* FALLTHROUGH */ |
|
case REWIND_ERROR: |
|
mandoc_msg(MANDOCERR_BLK_NOTOPEN, |
|
mdoc->parse, line, ppos, |
|
mdoc_macronames[tok]); |
|
return(1); |
|
} |
|
break; |
|
} |
|
|
|
assert(n); |
|
if ( ! rew_last(mdoc, n)) |
|
return(0); |
|
|
|
/* |
|
* The current block extends an enclosing block. |
|
* Now that the current block ends, close the enclosing block, too. |
|
*/ |
|
while (NULL != (n = n->pending)) { |
|
if ( ! rew_last(mdoc, n)) |
|
return(0); |
|
if (MDOC_HEAD == n->type && |
|
! mdoc_body_alloc(mdoc, n->line, n->pos, n->tok)) |
|
return(0); |
|
} |
|
|
|
return(1); |
|
} |
|
|
|
/* |
/* |
* Allocate a word and check whether it's punctuation or not. |
* Allocate a word and check whether it's punctuation or not. |
* Punctuation consists of those tokens found in mdoc_isdelim(). |
* Punctuation consists of those tokens found in mdoc_isdelim(). |
*/ |
*/ |
static int |
static void |
dword(struct mdoc *mdoc, int line, int col, const char *p, |
dword(struct roff_man *mdoc, int line, int col, const char *p, |
enum mdelim d, int may_append) |
enum mdelim d, int may_append) |
{ |
{ |
|
|
if (DELIM_MAX == d) |
if (d == DELIM_MAX) |
d = mdoc_isdelim(p); |
d = mdoc_isdelim(p); |
|
|
if (may_append && |
if (may_append && |
! ((MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF) & mdoc->flags) && |
! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) && |
DELIM_NONE == d && MDOC_TEXT == mdoc->last->type && |
d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT && |
DELIM_NONE == mdoc_isdelim(mdoc->last->string)) { |
mdoc_isdelim(mdoc->last->string) == DELIM_NONE) { |
mdoc_word_append(mdoc, p); |
mdoc_word_append(mdoc, p); |
return(1); |
return; |
} |
} |
|
|
if ( ! mdoc_word_alloc(mdoc, line, col, p)) |
mdoc_word_alloc(mdoc, line, col, p); |
return(0); |
|
|
|
if (DELIM_OPEN == d) |
|
mdoc->last->flags |= MDOC_DELIMO; |
|
|
|
/* |
/* |
* Closing delimiters only suppress the preceding space |
* If the word consists of a bare delimiter, |
* when they follow something, not when they start a new |
* flag the new node accordingly, |
* block or element, and not when they follow `No'. |
* unless doing so was vetoed by the invoking macro. |
* |
* Always clear the veto, it is only valid for one word. |
* XXX Explicitly special-casing MDOC_No here feels |
|
* like a layering violation. Find a better way |
|
* and solve this in the code related to `No'! |
|
*/ |
*/ |
|
|
else if (DELIM_CLOSE == d && mdoc->last->prev && |
if (d == DELIM_OPEN) |
mdoc->last->prev->tok != MDOC_No && |
mdoc->last->flags |= MDOC_DELIMO; |
|
else if (d == DELIM_CLOSE && |
|
! (mdoc->flags & MDOC_NODELIMC) && |
mdoc->last->parent->tok != MDOC_Fd) |
mdoc->last->parent->tok != MDOC_Fd) |
mdoc->last->flags |= MDOC_DELIMC; |
mdoc->last->flags |= MDOC_DELIMC; |
|
mdoc->flags &= ~MDOC_NODELIMC; |
return(1); |
|
} |
} |
|
|
static int |
static void |
append_delims(struct mdoc *mdoc, int line, int *pos, char *buf) |
append_delims(struct roff_man *mdoc, int line, int *pos, char *buf) |
{ |
{ |
int la; |
|
enum margserr ac; |
|
char *p; |
char *p; |
|
int la; |
|
|
if ('\0' == buf[*pos]) |
if (buf[*pos] == '\0') |
return(1); |
return; |
|
|
for (;;) { |
for (;;) { |
la = *pos; |
la = *pos; |
ac = mdoc_zargs(mdoc, line, pos, buf, &p); |
if (mdoc_args(mdoc, line, pos, buf, MDOC_MAX, &p) == ARGS_EOLN) |
|
|
if (ARGS_ERROR == ac) |
|
return(0); |
|
else if (ARGS_EOLN == ac) |
|
break; |
break; |
|
|
dword(mdoc, line, la, p, DELIM_MAX, 1); |
dword(mdoc, line, la, p, DELIM_MAX, 1); |
|
|
/* |
/* |
Line 680 append_delims(struct mdoc *mdoc, int line, int *pos, c |
|
Line 480 append_delims(struct mdoc *mdoc, int line, int *pos, c |
|
* knowing which symbols break this behaviour, for |
* knowing which symbols break this behaviour, for |
* example, `. ;' shouldn't propagate the double-space. |
* example, `. ;' shouldn't propagate the double-space. |
*/ |
*/ |
|
|
if (mandoc_eos(p, strlen(p))) |
if (mandoc_eos(p, strlen(p))) |
mdoc->last->flags |= MDOC_EOS; |
mdoc->last->flags |= MDOC_EOS; |
} |
} |
|
} |
|
|
return(1); |
/* |
|
* Parse one word. |
|
* If it is a macro, call it and return 1. |
|
* Otherwise, allocate it and return 0. |
|
*/ |
|
static int |
|
macro_or_word(MACRO_PROT_ARGS, int parsed) |
|
{ |
|
char *p; |
|
int ntok; |
|
|
|
p = buf + ppos; |
|
ntok = MDOC_MAX; |
|
if (*p == '"') |
|
p++; |
|
else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT)) |
|
ntok = lookup(mdoc, tok, line, ppos, p); |
|
|
|
if (ntok == MDOC_MAX) { |
|
dword(mdoc, line, ppos, p, DELIM_MAX, tok == MDOC_MAX || |
|
mdoc_macros[tok].flags & MDOC_JOIN); |
|
return(0); |
|
} else { |
|
if (mdoc_macros[tok].fp == in_line_eoln) |
|
rew_elem(mdoc, tok); |
|
mdoc_macro(mdoc, ntok, line, ppos, pos, buf); |
|
if (tok == MDOC_MAX) |
|
append_delims(mdoc, line, pos, buf); |
|
return(1); |
|
} |
} |
} |
|
|
/* |
/* |
* Close out block partial/full explicit. |
* Close out block partial/full explicit. |
*/ |
*/ |
static int |
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; |
int atok, ntok; |
char *p; |
char *p; |
|
|
nl = MDOC_NEWLINE & mdoc->flags; |
nl = MDOC_NEWLINE & mdoc->flags; |
Line 710 blk_exp_close(MACRO_PROT_ARGS) |
|
Line 544 blk_exp_close(MACRO_PROT_ARGS) |
|
break; |
break; |
case MDOC_Ek: |
case MDOC_Ek: |
mdoc->flags &= ~MDOC_KEEP; |
mdoc->flags &= ~MDOC_KEEP; |
|
/* FALLTHROUGH */ |
default: |
default: |
maxargs = 0; |
maxargs = 0; |
break; |
break; |
Line 719 blk_exp_close(MACRO_PROT_ARGS) |
|
Line 554 blk_exp_close(MACRO_PROT_ARGS) |
|
* 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); |
atok = rew_alt(tok); |
body = later = NULL; |
body = endbody = itblk = later = NULL; |
for (n = mdoc->last; n; n = n->parent) { |
for (n = mdoc->last; n; n = n->parent) { |
if (MDOC_VALID & n->flags) |
if (n->flags & MDOC_ENDED) { |
|
if ( ! (n->flags & MDOC_VALID)) |
|
n->flags |= MDOC_BROKEN; |
continue; |
continue; |
|
} |
|
|
/* Remember the start of our own body. */ |
/* Remember the start of our own body. */ |
if (MDOC_BODY == n->type && atok == n->tok) { |
|
if (ENDBODY_NOT == n->end) |
if (n->type == ROFFT_BODY && atok == n->tok) { |
|
if (n->end == ENDBODY_NOT) |
body = n; |
body = n; |
continue; |
continue; |
} |
} |
|
|
if (MDOC_BLOCK != n->type || MDOC_Nm == n->tok) |
if (n->type != ROFFT_BLOCK || n->tok == MDOC_Nm) |
continue; |
continue; |
|
|
|
if (n->tok == MDOC_It) { |
|
itblk = n; |
|
continue; |
|
} |
|
|
if (atok == n->tok) { |
if (atok == n->tok) { |
assert(body); |
assert(body); |
|
|
Line 742 blk_exp_close(MACRO_PROT_ARGS) |
|
Line 588 blk_exp_close(MACRO_PROT_ARGS) |
|
* 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, |
* When there is a pending sub block, postpone |
* postpone closing out the current block |
* closing out the current block until the |
* until the rew_sub() closing out the sub-block. |
* rew_pending() closing out the sub-block. |
|
* Mark the place where the formatting - but not |
|
* the scope - of the current block ends. |
*/ |
*/ |
make_pending(later, tok, mdoc, line, ppos); |
|
|
|
|
mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, |
|
line, ppos, "%s breaks %s", |
|
mdoc_macronames[atok], |
|
mdoc_macronames[later->tok]); |
|
|
|
endbody = mdoc_endbody_alloc(mdoc, line, ppos, |
|
atok, body, ENDBODY_SPACE); |
|
|
|
if (tok == MDOC_El) |
|
itblk->flags |= MDOC_ENDED | MDOC_BROKEN; |
|
|
/* |
/* |
* Mark the place where the formatting - but not |
* If a block closing macro taking arguments |
* the scope - of the current block ends. |
* breaks another block, put the arguments |
|
* into the end marker. |
*/ |
*/ |
if ( ! mdoc_endbody_alloc(mdoc, line, ppos, |
|
atok, body, ENDBODY_SPACE)) |
if (maxargs) |
return(0); |
mdoc->next = ROFF_NEXT_CHILD; |
break; |
break; |
} |
} |
|
|
/* |
/* Explicit blocks close out description lines. */ |
* When finding an open sub block, remember the last |
|
* open explicit block, or, in case there are only |
if (n->tok == MDOC_Nd) { |
* implicit ones, the first open implicit block. |
rew_last(mdoc, n); |
*/ |
|
if (later && |
|
MDOC_EXPLICIT & mdoc_macros[later->tok].flags) |
|
continue; |
continue; |
if (MDOC_It != n->tok) |
} |
|
|
|
/* Breaking an open sub block. */ |
|
|
|
n->flags |= MDOC_BROKEN; |
|
if (later == NULL) |
later = n; |
later = n; |
} |
} |
|
|
if ( ! (MDOC_PARSED & mdoc_macros[tok].flags)) { |
if (body == NULL) { |
if ('\0' != buf[*pos]) |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse, |
|
line, ppos, mdoc_macronames[tok]); |
|
if (maxargs && endbody == NULL) { |
|
/* |
|
* Stray .Ec without previous .Eo: |
|
* Break the output line, keep the arguments. |
|
*/ |
|
mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL); |
|
rew_elem(mdoc, MDOC_br); |
|
} |
|
} else if (endbody == NULL) { |
|
rew_last(mdoc, body); |
|
if (maxargs) |
|
mdoc_tail_alloc(mdoc, line, ppos, atok); |
|
} |
|
|
|
if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) { |
|
if (buf[*pos] != '\0') |
mandoc_vmsg(MANDOCERR_ARG_SKIP, |
mandoc_vmsg(MANDOCERR_ARG_SKIP, |
mdoc->parse, line, ppos, |
mdoc->parse, line, ppos, |
"%s %s", mdoc_macronames[tok], |
"%s %s", mdoc_macronames[tok], |
buf + *pos); |
buf + *pos); |
if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) |
if (endbody == NULL && n != NULL) |
return(0); |
rew_pending(mdoc, n); |
return(rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)); |
return; |
} |
} |
|
|
if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) |
if (endbody != NULL) |
return(0); |
n = endbody; |
|
for (j = 0; ; j++) { |
if (NULL == later && maxargs > 0) |
|
if ( ! mdoc_tail_alloc(mdoc, line, ppos, rew_alt(tok))) |
|
return(0); |
|
|
|
for (flushed = j = 0; ; j++) { |
|
lastarg = *pos; |
lastarg = *pos; |
|
|
if (j == maxargs && ! flushed) { |
if (j == maxargs && n != NULL) |
if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) |
rew_last(mdoc, n); |
return(0); |
|
flushed = 1; |
|
} |
|
|
|
ac = mdoc_args(mdoc, 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; |
|
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
ntok = ac == ARGS_QWORD ? MDOC_MAX : |
|
lookup(mdoc, tok, line, lastarg, p); |
|
|
if (MDOC_MAX == ntok) { |
if (ntok == MDOC_MAX) { |
if ( ! dword(mdoc, line, lastarg, p, DELIM_MAX, |
dword(mdoc, line, lastarg, p, DELIM_MAX, |
MDOC_JOIN & mdoc_macros[tok].flags)) |
MDOC_JOIN & mdoc_macros[tok].flags); |
return(0); |
|
continue; |
continue; |
} |
} |
|
|
if ( ! flushed) { |
if (n != NULL) |
if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) |
rew_last(mdoc, n); |
return(0); |
|
flushed = 1; |
|
} |
|
|
|
mdoc->flags &= ~MDOC_NEWLINE; |
mdoc->flags &= ~MDOC_NEWLINE; |
|
mdoc_macro(mdoc, ntok, line, lastarg, pos, buf); |
if ( ! mdoc_macro(mdoc, ntok, line, lastarg, pos, buf)) |
|
return(0); |
|
break; |
break; |
} |
} |
|
|
if ( ! flushed && ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) |
if (n != NULL) { |
return(0); |
if (n != mdoc->last && n->flags & MDOC_BROKEN) { |
|
target = n; |
if ( ! nl) |
do |
return(1); |
target = target->parent; |
return(append_delims(mdoc, line, pos, buf)); |
while ( ! (target->flags & MDOC_ENDED)); |
|
pending = find_pending(mdoc, ntok, line, ppos, |
|
target); |
|
} else |
|
pending = 0; |
|
if ( ! pending) |
|
rew_pending(mdoc, n); |
|
} |
|
if (nl) |
|
append_delims(mdoc, line, pos, buf); |
} |
} |
|
|
static int |
static void |
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; |
int ntok; |
enum mdoct ntok; |
|
enum margserr ac; |
enum margserr ac; |
enum mdelim d; |
enum mdelim d; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
Line 877 in_line(MACRO_PROT_ARGS) |
|
Line 746 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(mdoc, 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 &= ~MDOC_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(mdoc, 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 = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ? |
|
MDOC_MAX : 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 |
Line 914 in_line(MACRO_PROT_ARGS) |
|
Line 790 in_line(MACRO_PROT_ARGS) |
|
* or raise a warning. |
* or raise a warning. |
*/ |
*/ |
|
|
if (MDOC_MAX != ntok) { |
if (ntok != MDOC_MAX) { |
if (scope && ! rew_elem(mdoc, tok)) |
if (scope) |
return(0); |
rew_elem(mdoc, tok); |
if (nc && 0 == cnt) { |
if (nc && ! cnt) { |
if ( ! mdoc_elem_alloc(mdoc, |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
line, ppos, tok, arg)) |
rew_last(mdoc, mdoc->last); |
return(0); |
} else if ( ! nc && ! cnt) { |
if ( ! rew_last(mdoc, mdoc->last)) |
|
return(0); |
|
} else if ( ! nc && 0 == cnt) { |
|
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
mandoc_msg(MANDOCERR_MACRO_EMPTY, |
mandoc_msg(MANDOCERR_MACRO_EMPTY, |
mdoc->parse, line, ppos, |
mdoc->parse, line, ppos, |
mdoc_macronames[tok]); |
mdoc_macronames[tok]); |
} |
} |
|
mdoc_macro(mdoc, ntok, line, la, pos, buf); |
if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf)) |
if (nl) |
return(0); |
append_delims(mdoc, line, pos, buf); |
if ( ! nl) |
return; |
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
|
} |
} |
|
|
/* |
/* |
Line 943 in_line(MACRO_PROT_ARGS) |
|
Line 814 in_line(MACRO_PROT_ARGS) |
|
* the word. |
* the word. |
*/ |
*/ |
|
|
d = ARGS_QWORD == ac ? DELIM_NONE : mdoc_isdelim(p); |
d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p); |
|
|
if (DELIM_NONE != d) { |
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(mdoc, |
!cnt && !scope && nc && mayopen) { |
line, ppos, tok, arg)) |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
return(0); |
|
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(mdoc, tok)) |
if (scope) |
return(0); |
rew_elem(mdoc, tok); |
scope = 0; |
scope = 0; |
} else if ( ! scope) { |
if (tok == MDOC_Fn) |
if ( ! mdoc_elem_alloc(mdoc, 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_JOIN & mdoc_macros[tok].flags); |
|
|
if ( ! dword(mdoc, line, la, p, d, |
/* |
MDOC_JOIN & mdoc_macros[tok].flags)) |
* If the first argument is a closing delimiter, |
return(0); |
* do not suppress spacing before it. |
|
*/ |
|
|
|
if (firstarg && d == DELIM_CLOSE && !nc) |
|
mdoc->last->flags &= ~MDOC_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(mdoc, tok)) |
rew_elem(mdoc, tok); |
return(0); |
|
scope = 0; |
scope = 0; |
} |
} |
} |
} |
|
|
if (scope && ! rew_elem(mdoc, tok)) |
if (scope) |
return(0); |
rew_elem(mdoc, tok); |
|
|
/* |
/* |
* 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 1005 in_line(MACRO_PROT_ARGS) |
|
Line 879 in_line(MACRO_PROT_ARGS) |
|
* raise a warning. |
* raise a warning. |
*/ |
*/ |
|
|
if (nc && 0 == cnt) { |
if ( ! cnt) { |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
if (nc) { |
return(0); |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
if ( ! rew_last(mdoc, mdoc->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, mdoc->parse, |
mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse, |
line, ppos, mdoc_macronames[tok]); |
line, ppos, mdoc_macronames[tok]); |
} |
} |
} |
|
if (nl) |
if ( ! nl) |
append_delims(mdoc, line, pos, buf); |
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
|
} |
} |
|
|
static int |
static void |
blk_full(MACRO_PROT_ARGS) |
blk_full(MACRO_PROT_ARGS) |
{ |
{ |
int la, nl, nparsed; |
int la, nl, parsed; |
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 margserr ac, lac; |
enum margverr av; |
|
char *p; |
char *p; |
|
|
nl = MDOC_NEWLINE & mdoc->flags; |
nl = MDOC_NEWLINE & mdoc->flags; |
|
|
/* Skip items outside lists. */ |
if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) { |
|
mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse, |
|
line, ppos, mdoc_macronames[tok]); |
|
return; |
|
} |
|
|
if (tok == MDOC_It) { |
if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) { |
for (n = mdoc->last; n; n = n->parent) |
|
if (n->tok == MDOC_Bl) |
/* Here, tok is one of Sh Ss Nm Nd It. */ |
|
|
|
blk = NULL; |
|
for (n = mdoc->last; n != NULL; n = n->parent) { |
|
if (n->flags & MDOC_ENDED) { |
|
if ( ! (n->flags & MDOC_VALID)) |
|
n->flags |= MDOC_BROKEN; |
|
continue; |
|
} |
|
if (n->type != ROFFT_BLOCK) |
|
continue; |
|
|
|
if (tok == MDOC_It && n->tok == MDOC_Bl) { |
|
if (blk != NULL) { |
|
mandoc_vmsg(MANDOCERR_BLK_BROKEN, |
|
mdoc->parse, line, ppos, |
|
"It breaks %s", |
|
mdoc_macronames[blk->tok]); |
|
rew_pending(mdoc, blk); |
|
} |
break; |
break; |
if (n == NULL) { |
} |
|
|
|
if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) { |
|
switch (tok) { |
|
case MDOC_Sh: |
|
/* FALLTHROUGH */ |
|
case MDOC_Ss: |
|
mandoc_vmsg(MANDOCERR_BLK_BROKEN, |
|
mdoc->parse, line, ppos, |
|
"%s breaks %s", |
|
mdoc_macronames[tok], |
|
mdoc_macronames[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_vmsg(MANDOCERR_BLK_BROKEN, |
|
mdoc->parse, line, ppos, |
|
"It breaks %s", |
|
mdoc_macronames[blk->tok]); |
|
rew_pending(mdoc, blk); |
|
blk = NULL; |
|
} |
|
|
|
/* Close out prior implicit scopes. */ |
|
|
|
rew_last(mdoc, n); |
|
} |
|
|
|
/* Skip items outside lists. */ |
|
|
|
if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) { |
mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse, |
mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse, |
line, ppos, "It %s", buf + *pos); |
line, ppos, "It %s", buf + *pos); |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, |
mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL); |
MDOC_br, NULL)) |
rew_elem(mdoc, MDOC_br); |
return(0); |
return; |
return(rew_elem(mdoc, MDOC_br)); |
|
} |
} |
} |
} |
|
|
/* Close out prior implicit scope. */ |
|
|
|
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
|
if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) |
|
return(0); |
|
if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) |
|
return(0); |
|
} |
|
|
|
/* |
/* |
* This routine accommodates 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 |
Line 1071 blk_full(MACRO_PROT_ARGS) |
|
Line 1004 blk_full(MACRO_PROT_ARGS) |
|
* regular child nodes. |
* regular child nodes. |
*/ |
*/ |
|
|
for (arg = NULL;; ) { |
mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
la = *pos; |
blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg); |
av = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
|
|
if (ARGV_WORD == av) { |
|
*pos = la; |
|
break; |
|
} |
|
|
|
if (ARGV_EOLN == av) |
|
break; |
|
if (ARGV_ARG == av) |
|
continue; |
|
|
|
mdoc_argv_free(arg); |
|
return(0); |
|
} |
|
|
|
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, arg)) |
|
return(0); |
|
|
|
head = body = NULL; |
head = body = NULL; |
|
|
/* |
/* |
* Exception: Heads of `It' macros in `-diag' lists are not |
* Exception: Heads of `It' macros in `-diag' lists are not |
* parsed, even though `It' macros in general are parsed. |
* parsed, even though `It' macros in general are parsed. |
*/ |
*/ |
nparsed = MDOC_It == tok && |
|
MDOC_Bl == mdoc->last->parent->tok && |
|
LIST_diag == mdoc->last->parent->norm->Bl.type; |
|
|
|
|
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(mdoc, line, ppos, tok)) |
head = roff_head_alloc(mdoc, line, ppos, tok); |
return(0); |
rew_last(mdoc, head); |
head = mdoc->last; |
body = roff_body_alloc(mdoc, line, ppos, tok); |
if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
body = mdoc->last; |
|
} |
} |
|
|
if (MDOC_Bk == tok) |
if (tok == MDOC_Bk) |
mdoc->flags |= MDOC_KEEP; |
mdoc->flags |= MDOC_KEEP; |
|
|
ac = ARGS_ERROR; |
ac = ARGS_PEND; |
|
for (;;) { |
for ( ; ; ) { |
|
la = *pos; |
la = *pos; |
/* Initialise last-phrase-type with ARGS_PEND. */ |
lac = ac; |
lac = ARGS_ERROR == ac ? ARGS_PEND : ac; |
|
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
if (ac == ARGS_EOLN) { |
if (ARGS_PUNCT == ac) |
if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE) |
break; |
|
|
|
if (ARGS_ERROR == ac) |
|
return(0); |
|
|
|
if (ARGS_EOLN == ac) { |
|
if (ARGS_PPHRASE != lac && ARGS_PHRASE != lac) |
|
break; |
break; |
/* |
/* |
* This is necessary: if the last token on a |
* This is necessary: if the last token on a |
Line 1145 blk_full(MACRO_PROT_ARGS) |
|
Line 1046 blk_full(MACRO_PROT_ARGS) |
|
* reopen our scope if the last parse was a |
* reopen our scope if the last parse was a |
* phrase or partial phrase. |
* phrase or partial phrase. |
*/ |
*/ |
if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) |
if (body != NULL) |
return(0); |
rew_last(mdoc, body); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
body = roff_body_alloc(mdoc, line, ppos, tok); |
return(0); |
|
body = mdoc->last; |
|
break; |
break; |
} |
} |
|
if (tok == MDOC_Bd || tok == MDOC_Bk) { |
|
mandoc_vmsg(MANDOCERR_ARG_EXCESS, |
|
mdoc->parse, line, la, "%s ... %s", |
|
mdoc_macronames[tok], buf + la); |
|
break; |
|
} |
|
if (tok == MDOC_Rs) { |
|
mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse, |
|
line, la, "Rs %s", buf + la); |
|
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_PEND && |
ARGS_PHRASE != ac && |
ac != ARGS_PHRASE && |
ARGS_PPHRASE != ac && |
ac != ARGS_PPHRASE && |
ARGS_QWORD != ac && |
ac != ARGS_QWORD && |
DELIM_OPEN == mdoc_isdelim(p)) { |
mdoc_isdelim(p) == DELIM_OPEN) { |
if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0)) |
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
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(mdoc, line, ppos, tok)) |
head = roff_head_alloc(mdoc, line, ppos, tok); |
return(0); |
|
head = mdoc->last; |
|
} |
|
|
|
if (ARGS_PHRASE == ac || |
if (ac == ARGS_PHRASE || |
ARGS_PEND == ac || |
ac == ARGS_PEND || |
ARGS_PPHRASE == ac) { |
ac == ARGS_PPHRASE) { |
|
|
/* |
/* |
* 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, mdoc, tok, line, ppos)) |
body = roff_body_alloc(mdoc, line, ppos, tok); |
return(0); |
|
|
|
/* Then allocate our body context. */ |
|
|
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
body = mdoc->last; |
|
|
|
/* |
/* |
* Process phrases: set whether we're in a |
* Process phrases: set whether we're in a |
* partial-phrase (this effects line handling) |
* partial-phrase (this effects line handling) |
* then call down into the phrase parser. |
* then call down into the phrase parser. |
*/ |
*/ |
|
|
if (ARGS_PPHRASE == ac) |
if (ac == ARGS_PPHRASE) |
mdoc->flags |= MDOC_PPHRASE; |
mdoc->flags |= MDOC_PPHRASE; |
if (ARGS_PEND == ac && ARGS_PPHRASE == lac) |
if (ac == ARGS_PEND && lac == ARGS_PPHRASE) |
mdoc->flags |= MDOC_PPHRASE; |
mdoc->flags |= MDOC_PPHRASE; |
|
parse_rest(mdoc, MDOC_MAX, line, &la, buf); |
if ( ! phrase(mdoc, line, la, buf)) |
|
return(0); |
|
|
|
mdoc->flags &= ~MDOC_PPHRASE; |
mdoc->flags &= ~MDOC_PPHRASE; |
continue; |
continue; |
} |
} |
|
|
ntok = nparsed || ARGS_QWORD == ac ? |
if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed)) |
MDOC_MAX : lookup(tok, p); |
break; |
|
|
if (MDOC_MAX == ntok) { |
|
if ( ! dword(mdoc, line, la, p, DELIM_MAX, |
|
MDOC_JOIN & mdoc_macros[tok].flags)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf)) |
|
return(0); |
|
break; |
|
} |
} |
|
|
if (NULL == head) { |
if (blk->flags & MDOC_VALID) |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
return; |
return(0); |
if (head == NULL) |
head = mdoc->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(mdoc, line, pos, buf)) |
if (body != NULL) |
return(0); |
|
|
|
/* If we've already opened our body, exit now. */ |
|
|
|
if (NULL != body) |
|
goto out; |
goto out; |
|
if (find_pending(mdoc, tok, line, ppos, head)) |
|
return; |
|
|
/* |
|
* If there is an open (i.e., unvalidated) sub-block requiring |
|
* explicit close-out, postpone switching the current block from |
|
* head to body until the rew_sub() call closing out that |
|
* sub-block. |
|
*/ |
|
for (n = mdoc->last; n && n != head; n = n->parent) { |
|
if (MDOC_BLOCK == n->type && |
|
MDOC_EXPLICIT & mdoc_macros[n->tok].flags && |
|
! (MDOC_VALID & n->flags)) { |
|
n->pending = head; |
|
return(1); |
|
} |
|
} |
|
|
|
/* Close out scopes to remain in a consistent state. */ |
/* Close out scopes to remain in a consistent state. */ |
|
|
if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos)) |
rew_last(mdoc, head); |
return(0); |
body = roff_body_alloc(mdoc, line, ppos, tok); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
|
|
out: |
out: |
if ( ! (MDOC_FREECOL & mdoc->flags)) |
if (mdoc->flags & MDOC_FREECOL) { |
return(1); |
rew_last(mdoc, body); |
|
rew_last(mdoc, blk); |
if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) |
mdoc->flags &= ~MDOC_FREECOL; |
return(0); |
} |
if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) |
|
return(0); |
|
|
|
mdoc->flags &= ~MDOC_FREECOL; |
|
return(1); |
|
} |
} |
|
|
static int |
static void |
blk_part_imp(MACRO_PROT_ARGS) |
blk_part_imp(MACRO_PROT_ARGS) |
{ |
{ |
int la, nl; |
int 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 & mdoc->flags; |
nl = MDOC_NEWLINE & mdoc->flags; |
|
|
Line 1299 blk_part_imp(MACRO_PROT_ARGS) |
|
Line 1160 blk_part_imp(MACRO_PROT_ARGS) |
|
* or more closing punctuation nodes. |
* or more closing punctuation nodes. |
*/ |
*/ |
|
|
if ( ! mdoc_block_alloc(mdoc, 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 = mdoc->last; |
|
|
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
if ( ! rew_sub(MDOC_HEAD, mdoc, 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 1318 blk_part_imp(MACRO_PROT_ARGS) |
|
Line 1172 blk_part_imp(MACRO_PROT_ARGS) |
|
for (body = NULL; ; ) { |
for (body = NULL; ; ) { |
la = *pos; |
la = *pos; |
ac = mdoc_args(mdoc, 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 && ac != ARGS_QWORD && |
DELIM_OPEN == mdoc_isdelim(p)) { |
mdoc_isdelim(p) == DELIM_OPEN) { |
if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0)) |
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
return(0); |
|
continue; |
continue; |
} |
} |
|
|
if (NULL == body) { |
if (body == NULL) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
body = roff_body_alloc(mdoc, line, ppos, tok); |
return(0); |
|
body = mdoc->last; |
|
} |
|
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
if (macro_or_word(mdoc, tok, line, la, pos, buf, 1)) |
|
break; |
if (MDOC_MAX == ntok) { |
|
if ( ! dword(mdoc, line, la, p, DELIM_MAX, |
|
MDOC_JOIN & mdoc_macros[tok].flags)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(mdoc, 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(mdoc, line, ppos, tok)) |
if (nl) |
return(0); |
append_delims(mdoc, line, pos, buf); |
body = mdoc->last; |
rew_pending(mdoc, blk); |
} |
|
|
|
/* |
|
* 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 = mdoc->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)) { |
|
make_pending(n, tok, mdoc, line, ppos); |
|
if ( ! mdoc_endbody_alloc(mdoc, line, ppos, |
|
tok, body, ENDBODY_NOSPACE)) |
|
return(0); |
|
return(1); |
|
} |
|
} |
|
assert(n == body); |
|
|
|
if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos)) |
|
return(0); |
|
|
|
/* Standard appending of delimiters. */ |
|
|
|
if (nl && ! append_delims(mdoc, line, pos, buf)) |
|
return(0); |
|
|
|
/* Rewind scope, if applicable. */ |
|
|
|
if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos)) |
|
return(0); |
|
|
|
/* Move trailing .Ns out of scope. */ |
/* 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 && MDOC_Ns == n->tok) |
if (n && n->tok == MDOC_Ns) |
mdoc_node_relink(mdoc, n); |
mdoc_node_relink(mdoc, n); |
|
|
return(1); |
|
} |
} |
|
|
static int |
static void |
blk_part_exp(MACRO_PROT_ARGS) |
blk_part_exp(MACRO_PROT_ARGS) |
{ |
{ |
int la, nl; |
int 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 & mdoc->flags; |
nl = MDOC_NEWLINE & mdoc->flags; |
|
|
Line 1421 blk_part_exp(MACRO_PROT_ARGS) |
|
Line 1222 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(mdoc, line, ppos, tok, NULL)) |
mdoc_block_alloc(mdoc, line, ppos, tok, NULL); |
return(0); |
head = NULL; |
|
for (;;) { |
for (head = body = NULL; ; ) { |
|
la = *pos; |
la = *pos; |
ac = mdoc_args(mdoc, 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 && ac != ARGS_QWORD && |
DELIM_OPEN == mdoc_isdelim(p)) { |
mdoc_isdelim(p) == DELIM_OPEN) { |
assert(NULL == body); |
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0)) |
|
return(0); |
|
continue; |
continue; |
} |
} |
|
|
if (NULL == head) { |
if (head == NULL) { |
assert(NULL == body); |
head = roff_head_alloc(mdoc, line, ppos, tok); |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
if (tok == MDOC_Eo) /* Not parsed. */ |
return(0); |
dword(mdoc, line, la, p, DELIM_MAX, 0); |
head = mdoc->last; |
rew_last(mdoc, head); |
} |
roff_body_alloc(mdoc, line, ppos, tok); |
|
if (tok == MDOC_Eo) |
/* |
|
* `Eo' gobbles any data into the head, but most other |
|
* macros just immediately close out and begin the body. |
|
*/ |
|
|
|
if (NULL == body) { |
|
assert(head); |
|
/* No check whether it's a macro! */ |
|
if (MDOC_Eo == tok) |
|
if ( ! dword(mdoc, line, la, p, DELIM_MAX, 0)) |
|
return(0); |
|
|
|
if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
body = mdoc->last; |
|
|
|
if (MDOC_Eo == tok) |
|
continue; |
continue; |
} |
} |
|
|
assert(NULL != head && NULL != body); |
if (macro_or_word(mdoc, tok, line, la, pos, buf, 1)) |
|
break; |
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
|
|
|
if (MDOC_MAX == ntok) { |
|
if ( ! dword(mdoc, line, la, p, DELIM_MAX, |
|
MDOC_JOIN & mdoc_macros[tok].flags)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(mdoc, 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(mdoc, line, ppos, tok)) |
rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok)); |
return(0); |
roff_body_alloc(mdoc, line, ppos, tok); |
|
|
if (NULL == body) { |
|
if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
} |
} |
|
if (nl) |
/* Standard appending of delimiters. */ |
append_delims(mdoc, line, pos, buf); |
|
|
if ( ! nl) |
|
return(1); |
|
return(append_delims(mdoc, line, pos, buf)); |
|
} |
} |
|
|
static int |
static void |
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; |
|
int ntok; |
|
int state; /* arg#; -1: not yet open; -2: closed */ |
|
int la, maxargs, nl; |
|
|
nl = MDOC_NEWLINE & mdoc->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 1533 in_line_argn(MACRO_PROT_ARGS) |
|
Line 1285 in_line_argn(MACRO_PROT_ARGS) |
|
switch (tok) { |
switch (tok) { |
case MDOC_Ap: |
case MDOC_Ap: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case MDOC_No: |
|
/* FALLTHROUGH */ |
|
case MDOC_Ns: |
case MDOC_Ns: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case MDOC_Ux: |
case MDOC_Ux: |
Line 1552 in_line_argn(MACRO_PROT_ARGS) |
|
Line 1302 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(mdoc, line, tok, &arg, pos, buf); |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
if (ARGV_WORD == av) { |
if (ac == ARGS_WORD && state == -1 && |
*pos = la; |
! (mdoc_macros[tok].flags & MDOC_IGNDELIM) && |
break; |
mdoc_isdelim(p) == DELIM_OPEN) { |
|
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
|
continue; |
} |
} |
|
|
if (ARGV_EOLN == av) |
if (state == -1 && tok != MDOC_In && |
break; |
tok != MDOC_St && tok != MDOC_Xr) { |
if (ARGV_ARG == av) |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
continue; |
state = 0; |
|
} |
|
|
mdoc_argv_free(arg); |
if (ac == ARGS_PUNCT || ac == ARGS_EOLN) { |
return(0); |
if (abs(state) < 2 && tok == MDOC_Pf) |
} |
mandoc_vmsg(MANDOCERR_PF_SKIP, |
|
mdoc->parse, line, ppos, "Pf %s", |
for (flushed = j = 0; ; ) { |
p == NULL ? "at eol" : p); |
la = *pos; |
|
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
|
if (ARGS_ERROR == ac) |
|
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 && 0 == j && |
rew_elem(mdoc, tok); |
DELIM_OPEN == mdoc_isdelim(p)) { |
state = -2; |
if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0)) |
|
return(0); |
|
continue; |
|
} else if (0 == j) |
|
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
|
return(0); |
|
|
|
if (j == maxargs && ! flushed) { |
|
if ( ! rew_elem(mdoc, tok)) |
|
return(0); |
|
flushed = 1; |
|
} |
} |
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ? |
|
MDOC_MAX : lookup(mdoc, tok, line, la, p); |
|
|
if (MDOC_MAX != ntok) { |
if (ntok != MDOC_MAX) { |
if ( ! flushed && ! rew_elem(mdoc, tok)) |
if (state >= 0) { |
return(0); |
rew_elem(mdoc, tok); |
flushed = 1; |
state = -2; |
if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf)) |
} |
return(0); |
mdoc_macro(mdoc, ntok, line, la, pos, buf); |
j++; |
|
break; |
break; |
} |
} |
|
|
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
if (ac == ARGS_QWORD || |
ARGS_QWORD != ac && |
mdoc_macros[tok].flags & MDOC_IGNDELIM || |
! flushed && |
mdoc_isdelim(p) == DELIM_NONE) { |
DELIM_NONE != mdoc_isdelim(p)) { |
if (state == -1) { |
if ( ! rew_elem(mdoc, tok)) |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
return(0); |
state = 1; |
flushed = 1; |
} else if (state >= 0) |
|
state++; |
|
} else if (state >= 0) { |
|
rew_elem(mdoc, tok); |
|
state = -2; |
} |
} |
|
|
if ( ! dword(mdoc, line, la, p, DELIM_MAX, |
dword(mdoc, line, la, p, DELIM_MAX, |
MDOC_JOIN & mdoc_macros[tok].flags)) |
MDOC_JOIN & mdoc_macros[tok].flags); |
return(0); |
|
j++; |
|
} |
} |
|
|
if (0 == j && ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
if (state == -1) { |
return(0); |
mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse, |
|
line, ppos, mdoc_macronames[tok]); |
|
return; |
|
} |
|
|
/* Close out in a consistent state. */ |
if (state == 0 && tok == MDOC_Pf) |
|
append_delims(mdoc, line, pos, buf); |
if ( ! flushed && ! rew_elem(mdoc, tok)) |
if (state >= 0) |
return(0); |
rew_elem(mdoc, tok); |
if ( ! nl) |
if (nl) |
return(1); |
append_delims(mdoc, line, pos, buf); |
return(append_delims(mdoc, line, pos, buf)); |
|
} |
} |
|
|
static int |
static void |
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, mdoc->last->parent); |
|
} |
|
|
if (tok == MDOC_Pp) |
if (buf[*pos] == '\0' && |
rew_sub(MDOC_BLOCK, mdoc, MDOC_Nm, line, ppos); |
(tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) { |
|
mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse, |
/* Parse macro arguments. */ |
line, ppos, mdoc_macronames[tok]); |
|
return; |
for (arg = NULL; ; ) { |
|
la = *pos; |
|
av = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
|
|
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(mdoc, 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, int tok, int line, int *pos, char *buf) |
|
{ |
|
int la; |
|
|
/* Parse argument terms. */ |
|
|
|
for (;;) { |
for (;;) { |
la = *pos; |
la = *pos; |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN) |
|
|
if (ARGS_ERROR == ac) |
|
return(0); |
return(0); |
if (ARGS_EOLN == ac) |
if (macro_or_word(mdoc, tok, line, la, pos, buf, 1)) |
break; |
return(1); |
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p); |
|
|
|
if (MDOC_MAX == ntok) { |
|
if ( ! dword(mdoc, line, la, p, DELIM_MAX, |
|
MDOC_JOIN & mdoc_macros[tok].flags)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! rew_elem(mdoc, tok)) |
|
return(0); |
|
return(mdoc_macro(mdoc, ntok, line, la, pos, buf)); |
|
} |
} |
|
|
/* Close out (no delimiters). */ |
|
|
|
return(rew_elem(mdoc, tok)); |
|
} |
} |
|
|
static int |
static void |
ctx_synopsis(MACRO_PROT_ARGS) |
ctx_synopsis(MACRO_PROT_ARGS) |
{ |
{ |
int nl; |
|
|
|
nl = MDOC_NEWLINE & mdoc->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 & mdoc->flags)) |
blk_full(mdoc, tok, line, ppos, pos, buf); |
return(in_line(mdoc, 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(mdoc, 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(mdoc, tok, line, ppos, pos, buf)); |
|
assert(MDOC_Vt == tok); |
|
return(blk_part_imp(mdoc, tok, line, ppos, pos, buf)); |
|
} |
} |
|
|
/* |
/* |
Line 1736 ctx_synopsis(MACRO_PROT_ARGS) |
|
Line 1446 ctx_synopsis(MACRO_PROT_ARGS) |
|
* 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 *mdoc, 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(mdoc, line, &pos, buf, &p); |
body = NULL; |
|
for (n = mdoc->last; n != NULL; n = n->parent) { |
if (ARGS_ERROR == ac) |
if (n->flags & MDOC_ENDED) |
return(0); |
|
if (ARGS_EOLN == ac) |
|
break; |
|
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p); |
|
|
|
if (MDOC_MAX == ntok) { |
|
if ( ! dword(mdoc, line, la, p, DELIM_MAX, 1)) |
|
return(0); |
|
continue; |
continue; |
} |
if (n->tok == MDOC_It && n->type == ROFFT_BODY) |
|
body = n; |
if ( ! mdoc_macro(mdoc, ntok, line, la, &pos, buf)) |
if (n->tok == MDOC_Bl) |
return(0); |
break; |
return(append_delims(mdoc, line, &pos, buf)); |
|
} |
} |
|
|
return(1); |
if (n == NULL || n->norm->Bl.type != LIST_column) { |
} |
|
|
|
static int |
|
phrase_ta(MACRO_PROT_ARGS) |
|
{ |
|
struct mdoc_node *n; |
|
int la; |
|
enum mdoct ntok; |
|
enum margserr ac; |
|
char *p; |
|
|
|
/* Make sure we are in a column list or ignore this macro. */ |
|
n = mdoc->last; |
|
while (NULL != n && MDOC_Bl != n->tok) |
|
n = n->parent; |
|
if (NULL == n || LIST_column != n->norm->Bl.type) { |
|
mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse, |
mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse, |
line, ppos, "Ta"); |
line, ppos, "Ta"); |
return(1); |
return; |
} |
} |
|
|
/* Advance to the next column. */ |
/* Advance to the next column. */ |
if ( ! rew_sub(MDOC_BODY, mdoc, MDOC_It, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, MDOC_It)) |
|
return(0); |
|
|
|
for (;;) { |
rew_last(mdoc, body); |
la = *pos; |
roff_body_alloc(mdoc, line, ppos, MDOC_It); |
ac = mdoc_zargs(mdoc, line, pos, buf, &p); |
parse_rest(mdoc, MDOC_MAX, line, pos, buf); |
|
|
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 ( ! dword(mdoc, line, la, p, DELIM_MAX, |
|
MDOC_JOIN & mdoc_macros[tok].flags)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf)) |
|
return(0); |
|
return(append_delims(mdoc, line, pos, buf)); |
|
} |
|
|
|
return(1); |
|
} |
} |