version 1.58, 2010/05/08 07:30:19 |
version 1.83, 2010/06/29 19:20:38 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#include <string.h> |
#include <string.h> |
#include <time.h> |
#include <time.h> |
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#include "mandoc.h" |
#include "libmdoc.h" |
#include "libmdoc.h" |
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#include "libmandoc.h" |
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enum rew { |
enum rew { |
REWIND_REWIND, |
REWIND_REWIND, |
Line 42 static int in_line_eoln(MACRO_PROT_ARGS); |
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Line 44 static int in_line_eoln(MACRO_PROT_ARGS); |
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static int in_line_argn(MACRO_PROT_ARGS); |
static int in_line_argn(MACRO_PROT_ARGS); |
static int in_line(MACRO_PROT_ARGS); |
static int in_line(MACRO_PROT_ARGS); |
static int obsolete(MACRO_PROT_ARGS); |
static int obsolete(MACRO_PROT_ARGS); |
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static int phrase_ta(MACRO_PROT_ARGS); |
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static int append_delims(struct mdoc *, |
static int append_delims(struct mdoc *, |
int, int *, char *); |
int, int *, char *); |
static enum mdoct lookup(enum mdoct, const char *); |
static enum mdoct lookup(enum mdoct, const char *); |
static enum mdoct lookup_raw(const char *); |
static enum mdoct lookup_raw(const char *); |
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static int make_pending(struct mdoc_node *, enum mdoc_type, |
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struct mdoc *, int, int); |
static int phrase(struct mdoc *, int, int, char *); |
static int phrase(struct mdoc *, int, int, char *); |
static enum mdoct rew_alt(enum mdoct); |
static enum mdoct rew_alt(enum mdoct); |
static int rew_dobreak(enum mdoct, |
static int rew_dobreak(enum mdoct, |
Line 58 static int rew_last(struct mdoc *, |
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Line 63 static int rew_last(struct mdoc *, |
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const struct mdoc_node *); |
const struct mdoc_node *); |
static int rew_sub(enum mdoc_type, struct mdoc *, |
static int rew_sub(enum mdoc_type, struct mdoc *, |
enum mdoct, int, int); |
enum mdoct, int, int); |
static int swarn(struct mdoc *, enum mdoc_type, int, |
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int, const struct mdoc_node *); |
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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 }, /* Ap */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */ |
Line 168 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 171 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ in_line_eoln, 0 }, /* Hf */ |
{ in_line_eoln, 0 }, /* Hf */ |
{ obsolete, 0 }, /* Fr */ |
{ obsolete, 0 }, /* Fr */ |
{ in_line_eoln, 0 }, /* Ud */ |
{ in_line_eoln, 0 }, /* Ud */ |
{ in_line_eoln, 0 }, /* Lb */ |
{ in_line, 0 }, /* Lb */ |
{ in_line_eoln, 0 }, /* Lp */ |
{ in_line_eoln, 0 }, /* Lp */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */ |
Line 183 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 186 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ in_line_eoln, 0 }, /* br */ |
{ in_line_eoln, 0 }, /* br */ |
{ in_line_eoln, 0 }, /* sp */ |
{ in_line_eoln, 0 }, /* sp */ |
{ in_line_eoln, 0 }, /* %U */ |
{ in_line_eoln, 0 }, /* %U */ |
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{ phrase_ta, MDOC_CALLABLE | MDOC_PARSED }, /* Ta */ |
}; |
}; |
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const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
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static int |
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swarn(struct mdoc *mdoc, enum mdoc_type type, |
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int line, int pos, const struct mdoc_node *p) |
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{ |
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const char *n, *t, *tt; |
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n = t = "<root>"; |
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tt = "block"; |
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switch (type) { |
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case (MDOC_BODY): |
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tt = "multi-line"; |
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break; |
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case (MDOC_HEAD): |
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tt = "line"; |
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break; |
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default: |
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break; |
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} |
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switch (p->type) { |
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case (MDOC_BLOCK): |
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n = mdoc_macronames[p->tok]; |
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t = "block"; |
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break; |
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case (MDOC_BODY): |
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n = mdoc_macronames[p->tok]; |
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t = "multi-line"; |
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break; |
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case (MDOC_HEAD): |
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n = mdoc_macronames[p->tok]; |
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t = "line"; |
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break; |
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default: |
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break; |
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} |
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if ( ! (MDOC_IGN_SCOPE & mdoc->pflags)) |
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return(mdoc_verr(mdoc, line, pos, |
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"%s scope breaks %s scope of %s", |
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tt, t, n)); |
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return(mdoc_vwarn(mdoc, line, pos, |
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"%s scope breaks %s scope of %s", |
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tt, t, n)); |
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} |
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/* |
/* |
* This is called at the end of parsing. It must traverse up the tree, |
* This is called at the end of parsing. It must traverse up the tree, |
* closing out open [implicit] scopes. Obviously, open explicit scopes |
* closing out open [implicit] scopes. Obviously, open explicit scopes |
Line 254 mdoc_macroend(struct mdoc *m) |
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Line 211 mdoc_macroend(struct mdoc *m) |
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continue; |
continue; |
if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
continue; |
continue; |
return(mdoc_nerr(m, n, EOPEN)); |
mdoc_nmsg(m, n, MANDOCERR_SYNTSCOPE); |
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return(0); |
} |
} |
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/* Rewind to the first. */ |
/* Rewind to the first. */ |
Line 405 rew_dohalt(enum mdoct tok, enum mdoc_type type, |
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Line 363 rew_dohalt(enum mdoct tok, enum mdoc_type type, |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Vt): |
case (MDOC_Vt): |
assert(MDOC_TAIL != type); |
assert(MDOC_TAIL != type); |
if (type == p->type && tok == p->tok) |
if (tok != p->tok) |
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break; |
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if (p->end) |
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return(REWIND_HALT); |
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if (type == p->type) |
return(REWIND_REWIND); |
return(REWIND_REWIND); |
break; |
break; |
case (MDOC_It): |
case (MDOC_It): |
Line 459 rew_dohalt(enum mdoct tok, enum mdoc_type type, |
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Line 421 rew_dohalt(enum mdoct tok, enum mdoc_type type, |
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case (MDOC_So): |
case (MDOC_So): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Xo): |
case (MDOC_Xo): |
if (type == p->type && tok == p->tok) |
if (tok != p->tok) |
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break; |
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if (p->end) |
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return(REWIND_HALT); |
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if (type == p->type) |
return(REWIND_REWIND); |
return(REWIND_REWIND); |
break; |
break; |
/* Multi-line explicit scope close. */ |
/* Multi-line explicit scope close. */ |
Line 494 rew_dohalt(enum mdoct tok, enum mdoc_type type, |
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Line 460 rew_dohalt(enum mdoct tok, enum mdoc_type type, |
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case (MDOC_Sc): |
case (MDOC_Sc): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Xc): |
case (MDOC_Xc): |
if (type == p->type && rew_alt(tok) == p->tok) |
if (rew_alt(tok) != p->tok) |
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break; |
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if (p->end) |
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return(REWIND_HALT); |
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if (type == p->type) |
return(REWIND_REWIND); |
return(REWIND_REWIND); |
break; |
break; |
default: |
default: |
Line 521 rew_dobreak(enum mdoct tok, const struct mdoc_node *p) |
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Line 491 rew_dobreak(enum mdoct tok, const struct mdoc_node *p) |
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return(1); |
return(1); |
if (MDOC_VALID & p->flags) |
if (MDOC_VALID & p->flags) |
return(1); |
return(1); |
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if (MDOC_BODY == p->type && p->end) |
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return(1); |
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switch (tok) { |
switch (tok) { |
case (MDOC_It): |
case (MDOC_It): |
Line 571 rew_elem(struct mdoc *mdoc, enum mdoct tok) |
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Line 543 rew_elem(struct mdoc *mdoc, enum mdoct tok) |
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} |
} |
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/* |
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* We are trying to close a block identified by tok, |
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* but the child block *broken is still open. |
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* Thus, postpone closing the tok block |
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* until the rew_sub call closing *broken. |
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*/ |
static int |
static int |
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make_pending(struct mdoc_node *broken, enum mdoct tok, |
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struct mdoc *m, int line, int ppos) |
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{ |
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struct mdoc_node *breaker; |
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/* |
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* Iterate backwards, searching for the block matching tok, |
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* that is, the block breaking the *broken block. |
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*/ |
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for (breaker = broken->parent; breaker; breaker = breaker->parent) { |
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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; |
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} |
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if (REWIND_REWIND != rew_dohalt(tok, MDOC_BLOCK, breaker)) |
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continue; |
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if (MDOC_BODY == broken->type) |
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broken = broken->parent; |
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/* |
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* Found the breaker. |
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* If another, outer breaker is already pending on |
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* the *broken block, we must not clobber the link |
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* to the outer breaker, but make it pending on the |
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* new, now inner breaker. |
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* Graphically, "[A breaker=[B broken=[C->A A] tok=B] C]" |
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* becomes "[A breaker=[B->A broken=[C A] tok=B] C]" |
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* 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; |
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/* |
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* If the breaker had also been broken before, |
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* it cannot take on the outer breaker itself, |
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* but must hand it on to its own breakers. |
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* Graphically, this is the following situation: |
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* "[A [B breaker=[C->B B] broken=[D->A A] tok=C] D]" |
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* "[A taker=[B->A breaker=[C->B B] [D->C A] C] D]" |
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*/ |
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taker = breaker; |
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while (taker->pending) |
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taker = taker->pending; |
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taker->pending = broken->pending; |
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} |
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broken->pending = breaker; |
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mdoc_vmsg(m, MANDOCERR_SCOPE, line, ppos, "%s breaks %s", |
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mdoc_macronames[tok], mdoc_macronames[broken->tok]); |
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return(1); |
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} |
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/* |
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* Found no matching block for tok. |
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* Are you trying to close a block that is not open? |
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* Report failure and abort the parser. |
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*/ |
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mdoc_pmsg(m, line, ppos, MANDOCERR_SYNTNOSCOPE); |
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return(0); |
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} |
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static int |
rew_sub(enum mdoc_type t, struct mdoc *m, |
rew_sub(enum mdoc_type t, struct mdoc *m, |
enum mdoct tok, int line, int ppos) |
enum mdoct tok, int line, int ppos) |
{ |
{ |
Line 582 rew_sub(enum mdoc_type t, struct mdoc *m, |
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Line 631 rew_sub(enum mdoc_type t, struct mdoc *m, |
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for (n = m->last; n; n = n->parent) { |
for (n = m->last; n; n = n->parent) { |
c = rew_dohalt(tok, t, n); |
c = rew_dohalt(tok, t, n); |
if (REWIND_HALT == c) { |
if (REWIND_HALT == c) { |
if (MDOC_BLOCK != t) |
if (n->end || MDOC_BLOCK != t) |
return(1); |
return(1); |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) |
return(1); |
return(1); |
return(mdoc_perr(m, line, ppos, ENOCTX)); |
/* FIXME: shouldn't raise an error */ |
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mdoc_pmsg(m, line, ppos, MANDOCERR_SYNTNOSCOPE); |
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return(0); |
} |
} |
if (REWIND_REWIND == c) |
if (REWIND_REWIND == c) |
break; |
break; |
else if (rew_dobreak(tok, n)) |
else if (rew_dobreak(tok, n)) |
continue; |
continue; |
if ( ! swarn(m, t, line, ppos, n)) |
return(make_pending(n, tok, m, line, ppos)); |
return(0); |
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} |
} |
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assert(n); |
assert(n); |
if ( ! rew_last(m, n)) |
if ( ! rew_last(m, n)) |
return(0); |
return(0); |
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#ifdef UGLY |
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/* |
/* |
* The current block extends an enclosing block beyond a line |
* The current block extends an enclosing block. |
* break. Now that the current block ends, close the enclosing |
* Now that the current block ends, close the enclosing block, too. |
* block, too. |
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*/ |
*/ |
if (NULL != (n = n->pending)) { |
while (NULL != (n = n->pending)) { |
assert(MDOC_HEAD == n->type); |
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if ( ! rew_last(m, n)) |
if ( ! rew_last(m, n)) |
return(0); |
return(0); |
if ( ! mdoc_body_alloc(m, n->line, n->pos, n->tok)) |
if (MDOC_HEAD == n->type && |
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! mdoc_body_alloc(m, n->line, n->pos, n->tok)) |
return(0); |
return(0); |
} |
} |
#endif |
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return(1); |
return(1); |
} |
} |
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static int |
static int |
append_delims(struct mdoc *mdoc, int line, int *pos, char *buf) |
append_delims(struct mdoc *m, int line, int *pos, char *buf) |
{ |
{ |
int lastarg; |
int la; |
enum margserr ac; |
enum margserr ac; |
char *p; |
char *p; |
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if (0 == buf[*pos]) |
if ('\0' == buf[*pos]) |
return(1); |
return(1); |
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for (;;) { |
for (;;) { |
lastarg = *pos; |
la = *pos; |
ac = mdoc_zargs(mdoc, line, pos, buf, ARGS_NOWARN, &p); |
ac = mdoc_zargs(m, line, pos, buf, ARGS_NOWARN, &p); |
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if (ARGS_ERROR == ac) |
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
else if (ARGS_EOLN == ac) |
else if (ARGS_EOLN == ac) |
break; |
break; |
assert(mdoc_isdelim(p)); |
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if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
assert(DELIM_NONE != mdoc_isdelim(p)); |
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if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
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/* |
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* If we encounter end-of-sentence symbols, then trigger |
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* the double-space. |
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* |
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* XXX: it's easy to allow this to propogate outward to |
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* the last symbol, such that `. )' will cause the |
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* correct double-spacing. However, (1) groff isn't |
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* smart enough to do this and (2) it would require |
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* knowing which symbols break this behaviour, for |
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* example, `. ;' shouldn't propogate the double-space. |
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*/ |
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if (mandoc_eos(p, strlen(p))) |
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m->last->flags |= MDOC_EOS; |
} |
} |
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return(1); |
return(1); |
Line 652 append_delims(struct mdoc *mdoc, int line, int *pos, c |
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Line 714 append_delims(struct mdoc *mdoc, int line, int *pos, c |
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static int |
static int |
blk_exp_close(MACRO_PROT_ARGS) |
blk_exp_close(MACRO_PROT_ARGS) |
{ |
{ |
int j, lastarg, maxargs, flushed; |
struct mdoc_node *body; /* Our own body. */ |
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struct mdoc_node *later; /* A sub-block starting later. */ |
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struct mdoc_node *n; /* For searching backwards. */ |
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int j, lastarg, maxargs, flushed, nl; |
enum margserr ac; |
enum margserr ac; |
enum mdoct ntok; |
enum mdoct atok, ntok; |
char *p; |
char *p; |
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nl = MDOC_NEWLINE & m->flags; |
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switch (tok) { |
switch (tok) { |
case (MDOC_Ec): |
case (MDOC_Ec): |
maxargs = 1; |
maxargs = 1; |
Line 666 blk_exp_close(MACRO_PROT_ARGS) |
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Line 734 blk_exp_close(MACRO_PROT_ARGS) |
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break; |
break; |
} |
} |
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/* |
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* Search backwards for beginnings of blocks, |
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* both of our own and of pending sub-blocks. |
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*/ |
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atok = rew_alt(tok); |
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body = later = NULL; |
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for (n = m->last; n; n = n->parent) { |
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if (MDOC_VALID & n->flags) |
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continue; |
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/* Remember the start of our own body. */ |
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if (MDOC_BODY == n->type && atok == n->tok) { |
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if ( ! n->end) |
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body = n; |
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continue; |
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} |
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if (MDOC_BLOCK != n->type) |
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continue; |
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if (atok == n->tok) { |
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assert(body); |
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/* |
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* Found the start of our own block. |
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* When there is no pending sub block, |
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* just proceed to closing out. |
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*/ |
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if (NULL == later) |
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break; |
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/* |
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* When there is a pending sub block, |
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* postpone closing out the current block |
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* until the rew_sub() closing out the sub-block. |
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*/ |
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if ( ! make_pending(later, tok, m, line, ppos)) |
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return(0); |
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/* |
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* Mark the place where the formatting - but not |
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* the scope - of the current block ends. |
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*/ |
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if ( ! mdoc_endbody_alloc(m, line, ppos, |
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atok, body, ENDBODY_SPACE)) |
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return(0); |
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break; |
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} |
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/* |
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* 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 && |
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MDOC_EXPLICIT & mdoc_macros[later->tok].flags) |
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continue; |
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if (MDOC_CALLABLE & mdoc_macros[n->tok].flags) { |
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assert( ! (MDOC_ACTED & n->flags)); |
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later = n; |
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} |
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} |
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if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
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/* FIXME: do this in validate */ |
if (buf[*pos]) |
if (buf[*pos]) |
if ( ! mdoc_pwarn(m, line, ppos, ENOLINE)) |
if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_ARGSLOST)) |
return(0); |
return(0); |
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if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
Line 679 blk_exp_close(MACRO_PROT_ARGS) |
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Line 810 blk_exp_close(MACRO_PROT_ARGS) |
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if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
return(0); |
return(0); |
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if (maxargs > 0) |
if (NULL == later && maxargs > 0) |
if ( ! mdoc_tail_alloc(m, line, ppos, rew_alt(tok))) |
if ( ! mdoc_tail_alloc(m, line, ppos, rew_alt(tok))) |
return(0); |
return(0); |
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Line 722 blk_exp_close(MACRO_PROT_ARGS) |
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Line 853 blk_exp_close(MACRO_PROT_ARGS) |
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if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
return(0); |
return(0); |
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if (ppos > 1) |
if ( ! nl) |
return(1); |
return(1); |
return(append_delims(m, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
Line 731 blk_exp_close(MACRO_PROT_ARGS) |
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Line 862 blk_exp_close(MACRO_PROT_ARGS) |
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static int |
static int |
in_line(MACRO_PROT_ARGS) |
in_line(MACRO_PROT_ARGS) |
{ |
{ |
int la, lastpunct, cnt, d, nc; |
int la, scope, cnt, nc, nl; |
enum margverr av; |
enum margverr av; |
enum mdoct ntok; |
enum mdoct ntok; |
enum margserr ac; |
enum margserr ac; |
|
enum mdelim d; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
|
|
/* |
/* |
* Whether we allow ignored elements (those without content, |
* Whether we allow ignored elements (those without content, |
* usually because of reserved words) to squeak by. |
* usually because of reserved words) to squeak by. |
Line 779 in_line(MACRO_PROT_ARGS) |
|
Line 913 in_line(MACRO_PROT_ARGS) |
|
return(0); |
return(0); |
} |
} |
|
|
for (cnt = 0, lastpunct = 1;; ) { |
for (cnt = scope = 0;; ) { |
la = *pos; |
la = *pos; |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
Line 800 in_line(MACRO_PROT_ARGS) |
|
Line 934 in_line(MACRO_PROT_ARGS) |
|
*/ |
*/ |
|
|
if (MDOC_MAX != ntok) { |
if (MDOC_MAX != ntok) { |
if (0 == lastpunct && ! rew_elem(m, tok)) |
if (scope && ! rew_elem(m, tok)) |
return(0); |
return(0); |
if (nc && 0 == cnt) { |
if (nc && 0 == cnt) { |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
Line 809 in_line(MACRO_PROT_ARGS) |
|
Line 943 in_line(MACRO_PROT_ARGS) |
|
return(0); |
return(0); |
} else if ( ! nc && 0 == cnt) { |
} else if ( ! nc && 0 == cnt) { |
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
if ( ! mdoc_pwarn(m, line, ppos, EIGNE)) |
if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY)) |
return(0); |
return(0); |
} |
} |
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
return(0); |
return(0); |
if (ppos > 1) |
if ( ! nl) |
return(1); |
return(1); |
return(append_delims(m, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
Line 825 in_line(MACRO_PROT_ARGS) |
|
Line 959 in_line(MACRO_PROT_ARGS) |
|
* the word. |
* the word. |
*/ |
*/ |
|
|
d = ARGS_QWORD == ac ? 0 : mdoc_isdelim(p); |
d = ARGS_QWORD == ac ? DELIM_NONE : mdoc_isdelim(p); |
|
|
if (ARGS_QWORD != ac && d) { |
if (DELIM_NONE != d) { |
if (0 == lastpunct && ! rew_elem(m, tok)) |
/* |
|
* If we encounter closing punctuation, no word |
|
* has been omitted, no scope is open, and we're |
|
* allowed to have an empty element, then start |
|
* a new scope. `Ar', `Fl', and `Li', only do |
|
* this once per invocation. There may be more |
|
* of these (all of them?). |
|
*/ |
|
if (0 == cnt && (nc || MDOC_Li == tok) && |
|
DELIM_CLOSE == d && ! scope) { |
|
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
|
return(0); |
|
if (MDOC_Ar == tok || MDOC_Li == tok || |
|
MDOC_Fl == tok) |
|
cnt++; |
|
scope = 1; |
|
} |
|
/* |
|
* Close out our scope, if one is open, before |
|
* any punctuation. |
|
*/ |
|
if (scope && ! rew_elem(m, tok)) |
return(0); |
return(0); |
lastpunct = 1; |
scope = 0; |
} else if (lastpunct) { |
} else if ( ! scope) { |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
return(0); |
return(0); |
lastpunct = 0; |
scope = 1; |
} |
} |
|
|
if ( ! d) |
if (DELIM_NONE == d) |
cnt++; |
cnt++; |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
Line 847 in_line(MACRO_PROT_ARGS) |
|
Line 1002 in_line(MACRO_PROT_ARGS) |
|
* 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 (0 == lastpunct && MDOC_Fl == tok) { |
if (scope && MDOC_Fl == tok) { |
if ( ! rew_elem(m, tok)) |
if ( ! rew_elem(m, tok)) |
return(0); |
return(0); |
lastpunct = 1; |
scope = 0; |
} |
} |
} |
} |
|
|
if (0 == lastpunct && ! rew_elem(m, tok)) |
if (scope && ! rew_elem(m, tok)) |
return(0); |
return(0); |
|
|
/* |
/* |
Line 870 in_line(MACRO_PROT_ARGS) |
|
Line 1025 in_line(MACRO_PROT_ARGS) |
|
return(0); |
return(0); |
} else if ( ! nc && 0 == cnt) { |
} else if ( ! nc && 0 == cnt) { |
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
if ( ! mdoc_pwarn(m, line, ppos, EIGNE)) |
if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY)) |
return(0); |
return(0); |
} |
} |
|
|
if (ppos > 1) |
if ( ! nl) |
return(1); |
return(1); |
return(append_delims(m, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
Line 883 in_line(MACRO_PROT_ARGS) |
|
Line 1038 in_line(MACRO_PROT_ARGS) |
|
static int |
static int |
blk_full(MACRO_PROT_ARGS) |
blk_full(MACRO_PROT_ARGS) |
{ |
{ |
int la; |
int la, nl; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
struct mdoc_node *head; /* save of head macro */ |
struct mdoc_node *head; /* save of head macro */ |
struct mdoc_node *body; /* save of body macro */ |
struct mdoc_node *body; /* save of body macro */ |
#ifdef UGLY |
|
struct mdoc_node *n; |
struct mdoc_node *n; |
#endif |
enum mdoc_type mtt; |
enum mdoct ntok; |
enum mdoct ntok; |
enum margserr ac; |
enum margserr ac, lac; |
enum margverr av; |
enum margverr av; |
char *p; |
char *p; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
|
|
/* Close out prior implicit scope. */ |
/* Close out prior implicit scope. */ |
|
|
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
Line 952 blk_full(MACRO_PROT_ARGS) |
|
Line 1108 blk_full(MACRO_PROT_ARGS) |
|
body = m->last; |
body = m->last; |
} |
} |
|
|
for (;;) { |
ac = ARGS_ERROR; |
|
|
|
for ( ; ; ) { |
la = *pos; |
la = *pos; |
|
/* Initialise last-phrase-type with ARGS_PEND. */ |
|
lac = ARGS_ERROR == ac ? ARGS_PEND : ac; |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
ac = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
if (ARGS_ERROR == ac) |
if (ARGS_ERROR == ac) |
return(0); |
return(0); |
if (ARGS_EOLN == ac) |
|
|
if (ARGS_EOLN == ac) { |
|
if (ARGS_PPHRASE != lac && ARGS_PHRASE != lac) |
|
break; |
|
/* |
|
* This is necessary: if the last token on a |
|
* line is a `Ta' or tab, then we'll get |
|
* ARGS_EOLN, so we must be smart enough to |
|
* reopen our scope if the last parse was a |
|
* phrase or partial phrase. |
|
*/ |
|
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
break; |
break; |
|
} |
|
|
/* Don't emit leading punct. for phrases. */ |
/* |
|
* Emit leading punctuation (i.e., punctuation before |
|
* the MDOC_HEAD) for non-phrase types. |
|
*/ |
|
|
if (NULL == head && ARGS_PHRASE != ac && |
if (NULL == head && |
|
ARGS_PEND != ac && |
|
ARGS_PHRASE != ac && |
ARGS_PPHRASE != ac && |
ARGS_PPHRASE != ac && |
ARGS_QWORD != ac && |
ARGS_QWORD != ac && |
1 == mdoc_isdelim(p)) { |
DELIM_OPEN == mdoc_isdelim(p)) { |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
continue; |
continue; |
} |
} |
|
|
/* Always re-open head for phrases. */ |
/* Open a head if one hasn't been opened. */ |
|
|
if (NULL == head || ARGS_PHRASE == ac || |
if (NULL == head) { |
ARGS_PPHRASE == ac) { |
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
head = m->last; |
head = m->last; |
} |
} |
|
|
if (ARGS_PHRASE == ac || ARGS_PPHRASE == ac) { |
if (ARGS_PHRASE == ac || |
if ( ! phrase(m, line, la, buf)) |
ARGS_PEND == ac || |
|
ARGS_PPHRASE == ac) { |
|
/* |
|
* If we haven't opened a body yet, rewind the |
|
* head; if we have, rewind that instead. |
|
*/ |
|
|
|
mtt = body ? MDOC_BODY : MDOC_HEAD; |
|
if ( ! rew_sub(mtt, m, tok, line, ppos)) |
return(0); |
return(0); |
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
|
|
/* Then allocate our body context. */ |
|
|
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
|
body = m->last; |
|
|
|
/* |
|
* Process phrases: set whether we're in a |
|
* partial-phrase (this effects line handling) |
|
* then call down into the phrase parser. |
|
*/ |
|
|
|
if (ARGS_PPHRASE == ac) |
|
m->flags |= MDOC_PPHRASE; |
|
if (ARGS_PEND == ac && ARGS_PPHRASE == lac) |
|
m->flags |= MDOC_PPHRASE; |
|
|
|
if ( ! phrase(m, line, la, buf)) |
|
return(0); |
|
|
|
m->flags &= ~MDOC_PPHRASE; |
continue; |
continue; |
} |
} |
|
|
Line 1008 blk_full(MACRO_PROT_ARGS) |
|
Line 1216 blk_full(MACRO_PROT_ARGS) |
|
head = m->last; |
head = m->last; |
} |
} |
|
|
if (1 == ppos && ! append_delims(m, line, pos, buf)) |
if (nl && ! append_delims(m, line, pos, buf)) |
return(0); |
return(0); |
|
|
/* If we've already opened our body, exit now. */ |
/* If we've already opened our body, exit now. */ |
|
|
if (NULL != body) |
if (NULL != body) |
return(1); |
goto out; |
|
|
#ifdef UGLY |
|
/* |
/* |
* If there is an open (i.e., unvalidated) sub-block requiring |
* If there is an open (i.e., unvalidated) sub-block requiring |
* explicit close-out, postpone switching the current block from |
* explicit close-out, postpone switching the current block from |
Line 1032 blk_full(MACRO_PROT_ARGS) |
|
Line 1239 blk_full(MACRO_PROT_ARGS) |
|
return(1); |
return(1); |
} |
} |
} |
} |
#endif |
|
|
|
/* Close out scopes to remain in a consistent state. */ |
/* Close out scopes to remain in a consistent state. */ |
|
|
Line 1041 blk_full(MACRO_PROT_ARGS) |
|
Line 1247 blk_full(MACRO_PROT_ARGS) |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
|
|
|
out: |
|
if ( ! (MDOC_FREECOL & m->flags)) |
|
return(1); |
|
|
|
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
|
return(0); |
|
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
|
return(0); |
|
|
|
m->flags &= ~MDOC_FREECOL; |
return(1); |
return(1); |
} |
} |
|
|
Line 1048 blk_full(MACRO_PROT_ARGS) |
|
Line 1264 blk_full(MACRO_PROT_ARGS) |
|
static int |
static int |
blk_part_imp(MACRO_PROT_ARGS) |
blk_part_imp(MACRO_PROT_ARGS) |
{ |
{ |
int la; |
int la, nl; |
enum mdoct ntok; |
enum mdoct ntok; |
enum margserr ac; |
enum margserr ac; |
char *p; |
char *p; |
Line 1056 blk_part_imp(MACRO_PROT_ARGS) |
|
Line 1272 blk_part_imp(MACRO_PROT_ARGS) |
|
struct mdoc_node *body; /* saved body context */ |
struct mdoc_node *body; /* saved body context */ |
struct mdoc_node *n; |
struct mdoc_node *n; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
|
|
/* |
/* |
* A macro that spans to the end of the line. This is generally |
* A macro that spans to the end of the line. This is generally |
* (but not necessarily) called as the first macro. The block |
* (but not necessarily) called as the first macro. The block |
Line 1093 blk_part_imp(MACRO_PROT_ARGS) |
|
Line 1311 blk_part_imp(MACRO_PROT_ARGS) |
|
break; |
break; |
|
|
if (NULL == body && ARGS_QWORD != ac && |
if (NULL == body && ARGS_QWORD != ac && |
1 == mdoc_isdelim(p)) { |
DELIM_OPEN == mdoc_isdelim(p)) { |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
continue; |
continue; |
Line 1126 blk_part_imp(MACRO_PROT_ARGS) |
|
Line 1344 blk_part_imp(MACRO_PROT_ARGS) |
|
body = m->last; |
body = m->last; |
} |
} |
|
|
|
for (n = body->child; n && n->next; n = n->next) |
|
/* Do nothing. */ ; |
|
|
/* |
/* |
|
* End of sentence spacing: if the last node is a text node and |
|
* has a trailing period, then mark it as being end-of-sentence. |
|
*/ |
|
|
|
if (n && MDOC_TEXT == n->type && n->string) |
|
if (mandoc_eos(n->string, strlen(n->string))) |
|
n->flags |= MDOC_EOS; |
|
|
|
/* Up-propogate the end-of-space flag. */ |
|
|
|
if (n && (MDOC_EOS & n->flags)) { |
|
body->flags |= MDOC_EOS; |
|
body->parent->flags |= MDOC_EOS; |
|
} |
|
|
|
/* |
|
* If there is an open sub-block requiring explicit close-out, |
|
* postpone closing out the current block |
|
* until the rew_sub() call closing out the sub-block. |
|
*/ |
|
for (n = m->last; n && n != body && n != blk->parent; n = n->parent) { |
|
if (MDOC_BLOCK == n->type && |
|
MDOC_EXPLICIT & mdoc_macros[n->tok].flags && |
|
! (MDOC_VALID & n->flags)) { |
|
assert( ! (MDOC_ACTED & n->flags)); |
|
if ( ! make_pending(n, tok, m, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_endbody_alloc(m, line, ppos, |
|
tok, body, ENDBODY_NOSPACE)) |
|
return(0); |
|
return(1); |
|
} |
|
} |
|
|
|
/* |
* If we can't rewind to our body, then our scope has already |
* If we can't rewind to our body, then our scope has already |
* been closed by another macro (like `Oc' closing `Op'). This |
* been closed by another macro (like `Oc' closing `Op'). This |
* is ugly behaviour nodding its head to OpenBSD's overwhelming |
* is ugly behaviour nodding its head to OpenBSD's overwhelming |
* crufty use of `Op' breakage. |
* crufty use of `Op' breakage. |
*/ |
*/ |
for (n = m->last; n; n = n->parent) |
if (n != body && ! mdoc_vmsg(m, MANDOCERR_SCOPE, line, ppos, |
if (body == n) |
"%s broken", mdoc_macronames[tok])) |
break; |
|
|
|
if (NULL == n && ! mdoc_nwarn(m, body, EIMPBRK)) |
|
return(0); |
return(0); |
|
|
if (n && ! rew_last(m, body)) |
if (n && ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
return(0); |
return(0); |
|
|
/* Standard appending of delimiters. */ |
/* Standard appending of delimiters. */ |
|
|
if (1 == ppos && ! append_delims(m, line, pos, buf)) |
if (nl && ! append_delims(m, line, pos, buf)) |
return(0); |
return(0); |
|
|
/* Rewind scope, if applicable. */ |
/* Rewind scope, if applicable. */ |
|
|
if (n && ! rew_last(m, blk)) |
if (n && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
return(0); |
return(0); |
|
|
return(1); |
return(1); |
Line 1159 blk_part_imp(MACRO_PROT_ARGS) |
|
Line 1412 blk_part_imp(MACRO_PROT_ARGS) |
|
static int |
static int |
blk_part_exp(MACRO_PROT_ARGS) |
blk_part_exp(MACRO_PROT_ARGS) |
{ |
{ |
int la; |
int la, nl; |
enum margserr ac; |
enum margserr ac; |
struct mdoc_node *head; /* keep track of head */ |
struct mdoc_node *head; /* keep track of head */ |
struct mdoc_node *body; /* keep track of body */ |
struct mdoc_node *body; /* keep track of body */ |
char *p; |
char *p; |
enum mdoct ntok; |
enum mdoct ntok; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
|
|
/* |
/* |
* The opening of an explicit macro having zero or more leading |
* The opening of an explicit macro having zero or more leading |
* punctuation nodes; a head with optional single element (the |
* punctuation nodes; a head with optional single element (the |
Line 1189 blk_part_exp(MACRO_PROT_ARGS) |
|
Line 1444 blk_part_exp(MACRO_PROT_ARGS) |
|
/* Flush out leading punctuation. */ |
/* Flush out leading punctuation. */ |
|
|
if (NULL == head && ARGS_QWORD != ac && |
if (NULL == head && ARGS_QWORD != ac && |
1 == mdoc_isdelim(p)) { |
DELIM_OPEN == mdoc_isdelim(p)) { |
assert(NULL == body); |
assert(NULL == body); |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
Line 1258 blk_part_exp(MACRO_PROT_ARGS) |
|
Line 1513 blk_part_exp(MACRO_PROT_ARGS) |
|
|
|
/* Standard appending of delimiters. */ |
/* Standard appending of delimiters. */ |
|
|
if (ppos > 1) |
if ( ! nl) |
return(1); |
return(1); |
|
|
return(append_delims(m, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
|
|
|
|
|
/* ARGSUSED */ |
static int |
static int |
in_line_argn(MACRO_PROT_ARGS) |
in_line_argn(MACRO_PROT_ARGS) |
{ |
{ |
int la, flushed, j, maxargs; |
int la, flushed, j, maxargs, nl; |
enum margserr ac; |
enum margserr ac; |
enum margverr av; |
enum margverr av; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
enum mdoct ntok; |
enum mdoct ntok; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
|
|
/* |
/* |
* A line macro that has a fixed number of arguments (maxargs). |
* A line macro that has a fixed number of arguments (maxargs). |
* Only open the scope once the first non-leading-punctuation is |
* Only open the scope once the first non-leading-punctuation is |
Line 1332 in_line_argn(MACRO_PROT_ARGS) |
|
Line 1589 in_line_argn(MACRO_PROT_ARGS) |
|
|
|
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
ARGS_QWORD != ac && |
ARGS_QWORD != ac && |
0 == j && 1 == mdoc_isdelim(p)) { |
0 == j && DELIM_OPEN == mdoc_isdelim(p)) { |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
continue; |
continue; |
Line 1360 in_line_argn(MACRO_PROT_ARGS) |
|
Line 1617 in_line_argn(MACRO_PROT_ARGS) |
|
|
|
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
ARGS_QWORD != ac && |
ARGS_QWORD != ac && |
! flushed && mdoc_isdelim(p)) { |
! flushed && |
|
DELIM_NONE != mdoc_isdelim(p)) { |
if ( ! rew_elem(m, tok)) |
if ( ! rew_elem(m, tok)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
Line 1394 in_line_argn(MACRO_PROT_ARGS) |
|
Line 1652 in_line_argn(MACRO_PROT_ARGS) |
|
|
|
if ( ! flushed && ! rew_elem(m, tok)) |
if ( ! flushed && ! rew_elem(m, tok)) |
return(0); |
return(0); |
|
if ( ! nl) |
if (ppos > 1) |
|
return(1); |
return(1); |
return(append_delims(m, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
Line 1471 in_line_eoln(MACRO_PROT_ARGS) |
|
Line 1728 in_line_eoln(MACRO_PROT_ARGS) |
|
static int |
static int |
ctx_synopsis(MACRO_PROT_ARGS) |
ctx_synopsis(MACRO_PROT_ARGS) |
{ |
{ |
|
int nl; |
|
|
|
nl = MDOC_NEWLINE & m->flags; |
|
|
/* If we're not in the SYNOPSIS, go straight to in-line. */ |
/* If we're not in the SYNOPSIS, go straight to in-line. */ |
if (SEC_SYNOPSIS != m->lastsec) |
if (SEC_SYNOPSIS != m->lastsec) |
return(in_line(m, tok, line, ppos, pos, buf)); |
return(in_line(m, tok, line, ppos, pos, buf)); |
|
|
/* If we're a nested call, same place. */ |
/* If we're a nested call, same place. */ |
if (ppos > 1) |
if ( ! nl) |
return(in_line(m, tok, line, ppos, pos, buf)); |
return(in_line(m, tok, line, ppos, pos, buf)); |
|
|
/* |
/* |
|
|
obsolete(MACRO_PROT_ARGS) |
obsolete(MACRO_PROT_ARGS) |
{ |
{ |
|
|
return(mdoc_pwarn(m, line, ppos, EOBS)); |
return(mdoc_pmsg(m, line, ppos, MANDOCERR_MACROOBS)); |
} |
} |
|
|
|
|
Line 1515 phrase(struct mdoc *m, int line, int ppos, char *buf) |
|
Line 1775 phrase(struct mdoc *m, int line, int ppos, char *buf) |
|
for (pos = ppos; ; ) { |
for (pos = ppos; ; ) { |
la = pos; |
la = pos; |
|
|
/* Note: no calling context! */ |
|
ac = mdoc_zargs(m, line, &pos, buf, 0, &p); |
ac = mdoc_zargs(m, line, &pos, buf, 0, &p); |
|
|
if (ARGS_ERROR == ac) |
if (ARGS_ERROR == ac) |
Line 1540 phrase(struct mdoc *m, int line, int ppos, char *buf) |
|
Line 1799 phrase(struct mdoc *m, int line, int ppos, char *buf) |
|
} |
} |
|
|
|
|
|
/* ARGSUSED */ |
|
static int |
|
phrase_ta(MACRO_PROT_ARGS) |
|
{ |
|
int la; |
|
enum mdoct ntok; |
|
enum margserr ac; |
|
char *p; |
|
|
|
/* |
|
* FIXME: this is overly restrictive: if the `Ta' is unexpected, |
|
* it should simply error out with ARGSLOST. |
|
*/ |
|
|
|
if ( ! rew_sub(MDOC_BODY, m, MDOC_It, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, MDOC_It)) |
|
return(0); |
|
|
|
for (;;) { |
|
la = *pos; |
|
ac = mdoc_zargs(m, line, pos, buf, 0, &p); |
|
|
|
if (ARGS_ERROR == ac) |
|
return(0); |
|
if (ARGS_EOLN == ac) |
|
break; |
|
|
|
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p); |
|
|
|
if (MDOC_MAX == ntok) { |
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(m, ntok, line, la, pos, buf)) |
|
return(0); |
|
return(append_delims(m, line, pos, buf)); |
|
} |
|
|
|
return(1); |
|
} |