version 1.180, 2015/02/07 16:42:33 |
version 1.184, 2015/04/02 21:36:50 |
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* 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 "libmdoc.h" |
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static void blk_full(MACRO_PROT_ARGS); |
static void blk_full(MACRO_PROT_ARGS); |
static void blk_exp_close(MACRO_PROT_ARGS); |
static void blk_exp_close(MACRO_PROT_ARGS); |
Line 47 static void append_delims(struct mdoc *, int, int *, |
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Line 48 static void append_delims(struct mdoc *, int, int *, |
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static enum mdoct lookup(struct mdoc *, enum mdoct, |
static enum mdoct lookup(struct mdoc *, enum mdoct, |
int, int, const char *); |
int, int, const char *); |
static int macro_or_word(MACRO_PROT_ARGS, int); |
static int macro_or_word(MACRO_PROT_ARGS, int); |
static void make_pending(struct mdoc *, struct mdoc_node *, |
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struct mdoc_node *, int, int); |
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static int parse_rest(struct mdoc *, enum mdoct, |
static int parse_rest(struct mdoc *, enum mdoct, |
int, int *, char *); |
int, int *, char *); |
static enum mdoct rew_alt(enum mdoct); |
static enum mdoct rew_alt(enum mdoct); |
Line 219 mdoc_macroend(struct mdoc *mdoc) |
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Line 218 mdoc_macroend(struct mdoc *mdoc) |
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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 (n->type == MDOC_BLOCK && |
if (n->type == ROFFT_BLOCK && |
mdoc_macros[n->tok].flags & MDOC_EXPLICIT) |
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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rew_pending(struct mdoc *mdoc, const struct mdoc_node *n) |
rew_pending(struct mdoc *mdoc, const struct mdoc_node *n) |
{ |
{ |
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rew_last(mdoc, n); |
for (;;) { |
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if (n->type != MDOC_BLOCK) |
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return; |
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while ((n = n->pending) != NULL) { |
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rew_last(mdoc, n); |
rew_last(mdoc, n); |
if (n->type == MDOC_HEAD) |
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switch (n->type) { |
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case ROFFT_HEAD: |
mdoc_body_alloc(mdoc, n->line, n->pos, n->tok); |
mdoc_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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Line 349 rew_elem(struct mdoc *mdoc, enum mdoct tok) |
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Line 367 rew_elem(struct mdoc *mdoc, enum mdoct tok) |
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struct mdoc_node *n; |
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); |
rew_last(mdoc, n); |
rew_last(mdoc, n); |
} |
} |
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/* |
/* |
* We are trying to close the block *breaker, |
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* but the child block *broken is still open. |
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* Thus, postpone closing the *breaker |
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* until the rew_pending() call closing *broken. |
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*/ |
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static void |
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make_pending(struct mdoc *mdoc, struct mdoc_node *breaker, |
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struct mdoc_node *broken, int line, int ppos) |
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{ |
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struct mdoc_node *n; |
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mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, line, ppos, |
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"%s breaks %s", mdoc_macronames[breaker->tok], |
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mdoc_macronames[broken->tok]); |
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/* |
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* If the *broken block (Z) is already broken by a block (B) |
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* contained in the breaker (A), make the breaker pending |
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* on that inner breaker (B). Graphically, |
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* |
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* breaker=[A! broken=n=[B!->A (old broken=)[Z->B B] A] Z] |
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* |
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* In these graphics, "->" indicates the "pending" pointer and |
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* "!" indicates the MDOC_BREAK flag. Each of the cases gets |
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* one additional pointer (B->A) and one additional flag (A!). |
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*/ |
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for (n = broken->parent; ; n = n->parent) |
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if (n == broken->pending) |
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broken = n; |
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else if (n == breaker) |
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break; |
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/* |
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* Found the breaker. |
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* |
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* If another, outer breaker (X) is already pending on |
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* the *broken block (B), we must not clobber the link |
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* to the outer breaker, but make it pending on the new, |
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* now inner breaker (A). Graphically, |
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* |
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* [X! n=breaker=[A!->X broken=[B(->X)->A X] A] B]. |
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*/ |
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if (broken->pending != NULL) { |
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n = breaker; |
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/* |
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* If the inner breaker (A) is already broken, too, |
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* it cannot take on the outer breaker (X) but must |
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* hand it on to its own breakers (Y). Graphically, |
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* |
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* [X! n=[Y!->X breaker=[A!->Y Y] broken=[B(->X)->A X] A] B] |
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*/ |
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while (n->pending) |
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n = n->pending; |
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n->pending = broken->pending; |
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} |
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/* |
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* Now we have reduced the situation to the simplest case: |
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* breaker=[A! broken=[B->A A] B]. |
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*/ |
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broken->pending = breaker; |
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breaker->flags |= MDOC_BREAK; |
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if (breaker->body != NULL) |
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breaker->body->flags |= MDOC_BREAK; |
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} |
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/* |
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* 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(). |
*/ |
*/ |
Line 442 dword(struct mdoc *mdoc, int line, int col, const char |
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Line 388 dword(struct mdoc *mdoc, int line, int col, const char |
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if (may_append && |
if (may_append && |
! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) && |
! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) && |
d == DELIM_NONE && mdoc->last->type == MDOC_TEXT && |
d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT && |
mdoc_isdelim(mdoc->last->string) == DELIM_NONE) { |
mdoc_isdelim(mdoc->last->string) == DELIM_NONE) { |
mdoc_word_append(mdoc, p); |
mdoc_word_append(mdoc, p); |
return; |
return; |
Line 569 blk_exp_close(MACRO_PROT_ARGS) |
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Line 515 blk_exp_close(MACRO_PROT_ARGS) |
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atok = rew_alt(tok); |
atok = rew_alt(tok); |
body = endbody = itblk = later = NULL; |
body = endbody = itblk = later = NULL; |
for (n = mdoc->last; n; n = n->parent) { |
for (n = mdoc->last; n; n = n->parent) { |
if (n->flags & (MDOC_VALID | MDOC_BREAK)) |
if (n->flags & MDOC_ENDED) { |
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if ( ! (n->flags & MDOC_VALID)) |
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n->flags |= MDOC_BROKEN; |
continue; |
continue; |
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} |
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/* Remember the start of our own body. */ |
/* Remember the start of our own body. */ |
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if (n->type == MDOC_BODY && atok == n->tok) { |
if (n->type == ROFFT_BODY && atok == n->tok) { |
if (n->end == ENDBODY_NOT) |
if (n->end == ENDBODY_NOT) |
body = n; |
body = n; |
continue; |
continue; |
} |
} |
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if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm) |
if (n->type != ROFFT_BLOCK || n->tok == MDOC_Nm) |
continue; |
continue; |
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if (n->tok == MDOC_It) { |
if (n->tok == MDOC_It) { |
Line 605 blk_exp_close(MACRO_PROT_ARGS) |
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Line 554 blk_exp_close(MACRO_PROT_ARGS) |
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* When there is a pending sub block, postpone |
* When there is a pending sub block, postpone |
* closing out the current block until the |
* closing out the current block until the |
* rew_pending() closing out the sub-block. |
* rew_pending() closing out the sub-block. |
*/ |
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make_pending(mdoc, n, later, line, ppos); |
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if (tok == MDOC_El) |
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itblk->flags |= MDOC_BREAK; |
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/* |
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* Mark the place where the formatting - but not |
* Mark the place where the formatting - but not |
* the scope - of the current block ends. |
* the scope - of the current block ends. |
*/ |
*/ |
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mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, |
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line, ppos, "%s breaks %s", |
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mdoc_macronames[atok], |
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mdoc_macronames[later->tok]); |
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endbody = mdoc_endbody_alloc(mdoc, line, ppos, |
endbody = mdoc_endbody_alloc(mdoc, line, ppos, |
atok, body, ENDBODY_SPACE); |
atok, body, ENDBODY_SPACE); |
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if (tok == MDOC_El) |
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itblk->flags |= MDOC_ENDED | MDOC_BROKEN; |
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/* |
/* |
* If a block closing macro taking arguments |
* If a block closing macro taking arguments |
* breaks another block, put the arguments |
* breaks another block, put the arguments |
Line 630 blk_exp_close(MACRO_PROT_ARGS) |
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Line 580 blk_exp_close(MACRO_PROT_ARGS) |
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break; |
break; |
} |
} |
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/* |
/* Explicit blocks close out description lines. */ |
* When finding an open sub block, remember the last |
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* open explicit block, or, in case there are only |
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* implicit ones, the first open implicit block. |
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*/ |
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if (later == NULL || |
if (n->tok == MDOC_Nd) { |
! (mdoc_macros[later->tok].flags & MDOC_EXPLICIT)) |
rew_last(mdoc, n); |
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continue; |
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} |
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/* Breaking an open sub block. */ |
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n->flags |= MDOC_BROKEN; |
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if (later == NULL) |
later = n; |
later = n; |
} |
} |
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Line 916 blk_full(MACRO_PROT_ARGS) |
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Line 869 blk_full(MACRO_PROT_ARGS) |
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blk = NULL; |
blk = NULL; |
for (n = mdoc->last; n != NULL; n = n->parent) { |
for (n = mdoc->last; n != NULL; n = n->parent) { |
if (n->flags & (MDOC_VALID | MDOC_BREAK) || |
if (n->flags & MDOC_ENDED) { |
n->type != MDOC_BLOCK) |
if ( ! (n->flags & MDOC_VALID)) |
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n->flags |= MDOC_BROKEN; |
continue; |
continue; |
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} |
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if (n->type != ROFFT_BLOCK) |
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continue; |
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if (tok == MDOC_It && n->tok == MDOC_Bl) { |
if (tok == MDOC_It && n->tok == MDOC_Bl) { |
if (blk != NULL) { |
if (blk != NULL) { |
mandoc_vmsg(MANDOCERR_BLK_BROKEN, |
mandoc_vmsg(MANDOCERR_BLK_BROKEN, |
Line 1059 blk_full(MACRO_PROT_ARGS) |
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Line 1017 blk_full(MACRO_PROT_ARGS) |
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/* |
/* |
* 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. |
*/ |
*/ |
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if (head == NULL && |
if (head == NULL && |
Line 1124 blk_full(MACRO_PROT_ARGS) |
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Line 1082 blk_full(MACRO_PROT_ARGS) |
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* sub-block. |
* sub-block. |
*/ |
*/ |
for (n = mdoc->last; n && n != head; n = n->parent) { |
for (n = mdoc->last; n && n != head; n = n->parent) { |
if (n->type == MDOC_BLOCK && |
if (n->flags & MDOC_ENDED) { |
mdoc_macros[n->tok].flags & MDOC_EXPLICIT && |
if ( ! (n->flags & MDOC_VALID)) |
! (n->flags & MDOC_VALID)) { |
n->flags |= MDOC_BROKEN; |
n->pending = head; |
continue; |
return; |
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} |
} |
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if (n->type == ROFFT_BLOCK && |
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mdoc_macros[n->tok].flags & MDOC_EXPLICIT) { |
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n->flags = MDOC_BROKEN; |
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head->flags = MDOC_ENDED; |
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} |
} |
} |
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if (head->flags & MDOC_ENDED) |
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return; |
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/* Close out scopes to remain in a consistent state. */ |
/* Close out scopes to remain in a consistent state. */ |
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Line 1203 blk_part_imp(MACRO_PROT_ARGS) |
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Line 1167 blk_part_imp(MACRO_PROT_ARGS) |
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for (n = mdoc->last; n && n != body && n != blk->parent; |
for (n = mdoc->last; n && n != body && n != blk->parent; |
n = n->parent) { |
n = n->parent) { |
if (n->type == MDOC_BLOCK && |
if (n->flags & MDOC_ENDED) { |
mdoc_macros[n->tok].flags & MDOC_EXPLICIT && |
if ( ! (n->flags & MDOC_VALID)) |
! (n->flags & MDOC_VALID)) { |
n->flags |= MDOC_BROKEN; |
make_pending(mdoc, blk, n, line, ppos); |
continue; |
mdoc_endbody_alloc(mdoc, line, ppos, |
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tok, body, ENDBODY_NOSPACE); |
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return; |
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} |
} |
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if (n->type == ROFFT_BLOCK && |
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mdoc_macros[n->tok].flags & MDOC_EXPLICIT) { |
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n->flags |= MDOC_BROKEN; |
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if ( ! (body->flags & MDOC_ENDED)) { |
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mandoc_vmsg(MANDOCERR_BLK_NEST, |
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mdoc->parse, line, ppos, |
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"%s breaks %s", mdoc_macronames[tok], |
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mdoc_macronames[n->tok]); |
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mdoc_endbody_alloc(mdoc, line, ppos, |
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tok, body, ENDBODY_NOSPACE); |
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} |
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} |
} |
} |
assert(n == body); |
assert(n == body); |
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if (body->flags & MDOC_ENDED) |
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return; |
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rew_last(mdoc, body); |
rew_last(mdoc, body); |
if (nl) |
if (nl) |
append_delims(mdoc, line, pos, buf); |
append_delims(mdoc, line, pos, buf); |
Line 1285 blk_part_exp(MACRO_PROT_ARGS) |
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Line 1261 blk_part_exp(MACRO_PROT_ARGS) |
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static void |
static void |
in_line_argn(MACRO_PROT_ARGS) |
in_line_argn(MACRO_PROT_ARGS) |
{ |
{ |
int la, flushed, j, maxargs, nl; |
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enum margserr ac; |
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struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
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enum margserr ac; |
enum mdoct ntok; |
enum mdoct ntok; |
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int state; /* arg#; -1: not yet open; -2: closed */ |
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int la, maxargs, nl; |
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nl = mdoc->flags & MDOC_NEWLINE; |
nl = mdoc->flags & MDOC_NEWLINE; |
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Line 1323 in_line_argn(MACRO_PROT_ARGS) |
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Line 1300 in_line_argn(MACRO_PROT_ARGS) |
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mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
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state = -1; |
p = NULL; |
p = NULL; |
flushed = j = 0; |
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for (;;) { |
for (;;) { |
la = *pos; |
la = *pos; |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
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if (ac == ARGS_WORD && state == -1 && |
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! (mdoc_macros[tok].flags & MDOC_IGNDELIM) && |
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mdoc_isdelim(p) == DELIM_OPEN) { |
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dword(mdoc, line, la, p, DELIM_OPEN, 0); |
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continue; |
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} |
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if (state == -1 && tok != MDOC_In && |
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tok != MDOC_St && tok != MDOC_Xr) { |
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mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
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state = 0; |
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} |
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if (ac == ARGS_PUNCT || ac == ARGS_EOLN) { |
if (ac == ARGS_PUNCT || ac == ARGS_EOLN) { |
if (j < 2 && tok == MDOC_Pf) |
if (abs(state) < 2 && tok == MDOC_Pf) |
mandoc_vmsg(MANDOCERR_PF_SKIP, |
mandoc_vmsg(MANDOCERR_PF_SKIP, |
mdoc->parse, line, ppos, "Pf %s", |
mdoc->parse, line, ppos, "Pf %s", |
p == NULL ? "at eol" : p); |
p == NULL ? "at eol" : p); |
break; |
break; |
} |
} |
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if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) && |
if (state == maxargs) { |
ac != ARGS_QWORD && j == 0 && |
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mdoc_isdelim(p) == DELIM_OPEN) { |
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dword(mdoc, line, la, p, DELIM_OPEN, 0); |
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continue; |
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} else if (j == 0) |
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mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
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|
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if (j == maxargs && ! flushed) { |
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rew_elem(mdoc, tok); |
rew_elem(mdoc, tok); |
flushed = 1; |
state = -2; |
} |
} |
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ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && j == 0)) ? |
ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ? |
MDOC_MAX : lookup(mdoc, tok, line, la, p); |
MDOC_MAX : lookup(mdoc, tok, line, la, p); |
|
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if (ntok != MDOC_MAX) { |
if (ntok != MDOC_MAX) { |
if ( ! flushed) |
if (state >= 0) { |
rew_elem(mdoc, tok); |
rew_elem(mdoc, tok); |
flushed = 1; |
state = -2; |
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} |
mdoc_macro(mdoc, ntok, line, la, pos, buf); |
mdoc_macro(mdoc, ntok, line, la, pos, buf); |
j++; |
|
break; |
break; |
} |
} |
|
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if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) && |
if (ac == ARGS_QWORD || |
ac != ARGS_QWORD && ! flushed && |
mdoc_macros[tok].flags & MDOC_IGNDELIM || |
mdoc_isdelim(p) != DELIM_NONE) { |
mdoc_isdelim(p) == DELIM_NONE) { |
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if (state == -1) { |
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mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
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state = 1; |
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} else if (state >= 0) |
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state++; |
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} else if (state >= 0) { |
rew_elem(mdoc, tok); |
rew_elem(mdoc, tok); |
flushed = 1; |
state = -2; |
} |
} |
|
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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); |
j++; |
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} |
} |
|
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if (j == 0) { |
if (state == -1) { |
if (tok == MDOC_In || tok == MDOC_St || tok == MDOC_Xr) { |
mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse, |
mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse, |
line, ppos, mdoc_macronames[tok]); |
line, ppos, mdoc_macronames[tok]); |
return; |
return; |
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} |
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mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
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if (ac == ARGS_PUNCT && tok == MDOC_Pf) |
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append_delims(mdoc, line, pos, buf); |
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} |
} |
if ( ! flushed) |
|
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if (state == 0 && tok == MDOC_Pf) |
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append_delims(mdoc, line, pos, buf); |
|
if (state >= 0) |
rew_elem(mdoc, tok); |
rew_elem(mdoc, tok); |
if (nl) |
if (nl) |
append_delims(mdoc, line, pos, buf); |
append_delims(mdoc, line, pos, buf); |
Line 1465 phrase_ta(MACRO_PROT_ARGS) |
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Line 1451 phrase_ta(MACRO_PROT_ARGS) |
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|
|
body = NULL; |
body = NULL; |
for (n = mdoc->last; n != NULL; n = n->parent) { |
for (n = mdoc->last; n != NULL; n = n->parent) { |
if (n->flags & (MDOC_VALID | MDOC_BREAK)) |
if (n->flags & MDOC_ENDED) |
continue; |
continue; |
if (n->tok == MDOC_It && n->type == MDOC_BODY) |
if (n->tok == MDOC_It && n->type == ROFFT_BODY) |
body = n; |
body = n; |
if (n->tok == MDOC_Bl) |
if (n->tok == MDOC_Bl) |
break; |
break; |