version 1.2, 2009/03/23 15:41:09 |
version 1.26, 2009/07/24 12:17:25 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org> |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* |
* |
* 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 |
* purpose with or without fee is hereby granted, provided that the above |
* above copyright notice and this permission notice appear in all |
* copyright notice and this permission notice appear in all copies. |
* copies. |
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* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
|
*/ |
*/ |
#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include "libmdoc.h" |
#include "libmdoc.h" |
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/* |
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* This has scanning/parsing routines, each of which extract a macro and |
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* its arguments and parameters, then know how to progress to the next |
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* macro. |
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*/ |
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/* FIXME: .Fl, .Ar, .Cd handling of `|'. */ |
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enum mwarn { |
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WIMPBRK, |
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WMACPARM, |
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WOBS |
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}; |
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enum merr { |
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EOPEN, |
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EQUOT, |
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ENOCTX, |
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ENOPARMS |
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}; |
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#define REWIND_REWIND (1 << 0) |
#define REWIND_REWIND (1 << 0) |
#define REWIND_NOHALT (1 << 1) |
#define REWIND_NOHALT (1 << 1) |
#define REWIND_HALT (1 << 2) |
#define REWIND_HALT (1 << 2) |
Line 71 static int rew_subblock(enum mdoc_type, |
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Line 48 static int rew_subblock(enum mdoc_type, |
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static int rew_last(struct mdoc *, struct mdoc_node *); |
static int rew_last(struct mdoc *, struct mdoc_node *); |
static int append_delims(struct mdoc *, int, int *, char *); |
static int append_delims(struct mdoc *, int, int *, char *); |
static int lookup(struct mdoc *, int, int, int, const char *); |
static int lookup(struct mdoc *, int, int, int, const char *); |
static int pwarn(struct mdoc *, int, int, enum mwarn); |
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static int perr(struct mdoc *, int, int, enum merr); |
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static int swarn(struct mdoc *, enum mdoc_type, int, int, |
static int swarn(struct mdoc *, enum mdoc_type, int, int, |
const struct mdoc_node *); |
const struct mdoc_node *); |
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#define nerr(m, n, t) perr((m), (n)->line, (n)->pos, (t)) |
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/* Central table of library: who gets parsed how. */ |
/* Central table of library: who gets parsed how. */ |
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const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
{ NULL, 0 }, /* \" */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dd */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dd */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dt */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Dt */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Os */ |
{ in_line_eoln, MDOC_PROLOGUE }, /* Os */ |
{ blk_full, 0 }, /* Sh */ |
{ blk_full, 0 }, /* Sh */ |
{ blk_full, 0 }, /* Ss */ |
{ blk_full, 0 }, /* Ss */ |
{ in_line, 0 }, /* Pp */ |
{ in_line_eoln, 0 }, /* Pp */ |
{ blk_part_imp, MDOC_PARSED }, /* D1 */ |
{ blk_part_imp, MDOC_PARSED }, /* D1 */ |
{ blk_part_imp, MDOC_PARSED }, /* Dl */ |
{ blk_part_imp, MDOC_PARSED }, /* Dl */ |
{ blk_full, MDOC_EXPLICIT }, /* Bd */ |
{ blk_full, MDOC_EXPLICIT }, /* Bd */ |
Line 96 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 69 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ blk_exp_close, MDOC_EXPLICIT }, /* El */ |
{ blk_exp_close, MDOC_EXPLICIT }, /* El */ |
{ blk_full, MDOC_PARSED }, /* It */ |
{ blk_full, MDOC_PARSED }, /* It */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */ |
{ in_line, MDOC_PARSED }, /* An */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* An */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */ |
{ in_line_eoln, MDOC_CALLABLE }, /* Cd */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cd */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */ |
Line 108 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 81 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ in_line_eoln, 0 }, /* Fd */ |
{ in_line_eoln, 0 }, /* Fd */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */ |
{ in_line, MDOC_PARSED }, /* Ft */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */ |
{ in_line_eoln, 0 }, /* In */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Li */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Li */ |
{ in_line_eoln, 0 }, /* Nd */ |
{ blk_full, 0 }, /* Nd */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ |
{ obsolete, 0 }, /* Ot */ |
{ obsolete, 0 }, /* Ot */ |
Line 152 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 125 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Em */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Em */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */ |
{ in_line, MDOC_PARSED }, /* Ms */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* No */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* No */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */ |
Line 188 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 161 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ obsolete, 0 }, /* Fr */ |
{ obsolete, 0 }, /* Fr */ |
{ in_line_eoln, 0 }, /* Ud */ |
{ in_line_eoln, 0 }, /* Ud */ |
{ in_line_eoln, 0 }, /* Lb */ |
{ in_line_eoln, 0 }, /* Lb */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */ |
{ in_line_eoln, 0 }, /* Lp */ |
{ in_line, 0 }, /* Lp */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */ |
{ in_line, MDOC_PARSED }, /* Lk */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */ |
{ in_line, MDOC_PARSED }, /* Mt */ |
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{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Brq */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Brq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bro */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bro */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Brc */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Brc */ |
Line 200 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 172 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ obsolete, 0 }, /* En */ |
{ obsolete, 0 }, /* En */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */ |
{ in_line_eoln, 0 }, /* %Q */ |
{ in_line_eoln, 0 }, /* %Q */ |
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{ in_line_eoln, 0 }, /* br */ |
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{ in_line_eoln, 0 }, /* sp */ |
}; |
}; |
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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 |
static int |
perr(struct mdoc *mdoc, int line, int pos, enum merr type) |
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{ |
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char *p; |
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p = NULL; |
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switch (type) { |
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case (EOPEN): |
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p = "explicit scope still open on exit"; |
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break; |
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case (EQUOT): |
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p = "unterminated quotation"; |
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break; |
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case (ENOCTX): |
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p = "closure has no prior context"; |
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break; |
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case (ENOPARMS): |
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p = "unexpect line arguments"; |
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break; |
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} |
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assert(p); |
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return(mdoc_perr(mdoc, line, pos, p)); |
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} |
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static int |
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pwarn(struct mdoc *mdoc, int line, int pos, enum mwarn type) |
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{ |
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char *p; |
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p = NULL; |
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switch (type) { |
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case (WIMPBRK): |
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p = "crufty end-of-line scope violation"; |
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break; |
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case (WMACPARM): |
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p = "macro-like parameter"; |
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break; |
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case (WOBS): |
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p = "macro marked obsolete"; |
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break; |
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} |
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assert(p); |
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return(mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, p)); |
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} |
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static int |
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swarn(struct mdoc *mdoc, enum mdoc_type type, |
swarn(struct mdoc *mdoc, enum mdoc_type type, |
int line, int pos, const struct mdoc_node *p) |
int line, int pos, const struct mdoc_node *p) |
{ |
{ |
Line 290 swarn(struct mdoc *mdoc, enum mdoc_type type, |
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Line 217 swarn(struct mdoc *mdoc, enum mdoc_type type, |
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} |
} |
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if ( ! (MDOC_IGN_SCOPE & mdoc->pflags)) |
if ( ! (MDOC_IGN_SCOPE & mdoc->pflags)) |
return(mdoc_perr(mdoc, line, pos, |
return(mdoc_verr(mdoc, line, pos, |
"%s scope breaks %s scope of %s", |
"%s scope breaks %s scope of %s", |
tt, t, n)); |
tt, t, n)); |
return(mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, |
return(mdoc_vwarn(mdoc, line, pos, |
"%s scope breaks %s scope of %s", |
"%s scope breaks %s scope of %s", |
tt, t, n)); |
tt, t, n)); |
} |
} |
Line 319 mdoc_macroend(struct mdoc *mdoc) |
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Line 246 mdoc_macroend(struct mdoc *mdoc) |
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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(nerr(mdoc, n, EOPEN)); |
return(mdoc_nerr(mdoc, n, EOPEN)); |
} |
} |
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return(rew_last(mdoc, mdoc->first)); |
return(rew_last(mdoc, mdoc->first)); |
Line 330 lookup(struct mdoc *mdoc, int line, int pos, int from, |
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Line 257 lookup(struct mdoc *mdoc, int line, int pos, int from, |
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{ |
{ |
int res; |
int res; |
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res = mdoc_tokhash_find(mdoc->htab, p); |
res = mdoc_hash_find(mdoc->htab, p); |
if (MDOC_PARSED & mdoc_macros[from].flags) |
if (MDOC_PARSED & mdoc_macros[from].flags) |
return(res); |
return(res); |
if (MDOC_MAX == res) |
if (MDOC_MAX == res) |
return(res); |
return(res); |
if ( ! pwarn(mdoc, line, pos, WMACPARM)) |
if ( ! mdoc_pwarn(mdoc, line, pos, EMACPARM)) |
return(-1); |
return(-1); |
return(MDOC_MAX); |
return(MDOC_MAX); |
} |
} |
Line 461 rew_dohalt(int tok, enum mdoc_type type, const struct |
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Line 388 rew_dohalt(int tok, enum mdoc_type type, const struct |
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if (type == p->type && tok == p->tok) |
if (type == p->type && tok == p->tok) |
return(REWIND_REWIND); |
return(REWIND_REWIND); |
break; |
break; |
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case (MDOC_Nd): |
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/* FALLTHROUGH */ |
case (MDOC_Ss): |
case (MDOC_Ss): |
assert(MDOC_TAIL != type); |
assert(MDOC_TAIL != type); |
if (type == p->type && tok == p->tok) |
if (type == p->type && tok == p->tok) |
Line 566 rew_dobreak(int tok, const struct mdoc_node *p) |
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Line 495 rew_dobreak(int tok, const struct mdoc_node *p) |
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switch (tok) { |
switch (tok) { |
case (MDOC_It): |
case (MDOC_It): |
return(MDOC_It == p->tok); |
return(MDOC_It == p->tok); |
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case (MDOC_Nd): |
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return(MDOC_Nd == p->tok); |
case (MDOC_Ss): |
case (MDOC_Ss): |
return(MDOC_Ss == p->tok); |
return(MDOC_Ss == p->tok); |
case (MDOC_Sh): |
case (MDOC_Sh): |
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if (MDOC_Nd == p->tok) |
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return(1); |
if (MDOC_Ss == p->tok) |
if (MDOC_Ss == p->tok) |
return(1); |
return(1); |
return(MDOC_Sh == p->tok); |
return(MDOC_Sh == p->tok); |
Line 644 rew_expblock(struct mdoc *mdoc, int tok, int line, int |
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Line 577 rew_expblock(struct mdoc *mdoc, int tok, int line, int |
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for (n = mdoc->last; n; n = n->parent) { |
for (n = mdoc->last; n; n = n->parent) { |
c = rew_dohalt(tok, MDOC_BLOCK, n); |
c = rew_dohalt(tok, MDOC_BLOCK, n); |
if (REWIND_HALT == c) |
if (REWIND_HALT == c) |
return(perr(mdoc, line, ppos, ENOCTX)); |
return(mdoc_perr(mdoc, line, ppos, ENOCTX)); |
if (REWIND_REWIND == c) |
if (REWIND_REWIND == c) |
break; |
break; |
else if (rew_dobreak(tok, n)) |
else if (rew_dobreak(tok, n)) |
Line 729 blk_exp_close(MACRO_PROT_ARGS) |
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Line 662 blk_exp_close(MACRO_PROT_ARGS) |
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} |
} |
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if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
if (0 == buf[*pos]) { |
if (buf[*pos]) |
if ( ! rew_subblock(MDOC_BODY, mdoc, |
if ( ! mdoc_pwarn(mdoc, line, ppos, ENOLINE)) |
tok, line, ppos)) |
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return(0); |
return(0); |
return(rew_expblock(mdoc, tok, line, ppos)); |
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} |
if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
return(perr(mdoc, line, ppos, ENOPARMS)); |
return(0); |
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return(rew_expblock(mdoc, tok, line, ppos)); |
} |
} |
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if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
Line 800 blk_exp_close(MACRO_PROT_ARGS) |
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Line 733 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, c, w; |
int la, lastpunct, c, w, cnt, d, nc; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
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/* |
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* Whether we allow ignored elements (those without content, |
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* usually because of reserved words) to squeak by. |
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*/ |
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switch (tok) { |
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case (MDOC_An): |
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/* FALLTHROUGH */ |
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case (MDOC_Ar): |
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/* FALLTHROUGH */ |
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case (MDOC_Fl): |
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/* FALLTHROUGH */ |
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case (MDOC_Lk): |
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/* FALLTHROUGH */ |
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case (MDOC_Nm): |
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/* FALLTHROUGH */ |
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case (MDOC_Pa): |
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nc = 1; |
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break; |
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default: |
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nc = 0; |
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break; |
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} |
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for (la = ppos, arg = NULL;; ) { |
for (la = ppos, arg = NULL;; ) { |
la = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
Line 812 in_line(MACRO_PROT_ARGS) |
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Line 768 in_line(MACRO_PROT_ARGS) |
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*pos = la; |
*pos = la; |
break; |
break; |
} |
} |
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if (ARGV_EOLN == c) |
if (ARGV_EOLN == c) |
break; |
break; |
if (ARGV_ARG == c) |
if (ARGV_ARG == c) |
Line 822 in_line(MACRO_PROT_ARGS) |
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Line 777 in_line(MACRO_PROT_ARGS) |
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return(0); |
return(0); |
} |
} |
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if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
for (cnt = 0, lastpunct = 1;; ) { |
return(0); |
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mdoc->next = MDOC_NEXT_CHILD; |
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for (lastpunct = 0;; ) { |
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la = *pos; |
la = *pos; |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
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Line 842 in_line(MACRO_PROT_ARGS) |
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Line 793 in_line(MACRO_PROT_ARGS) |
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c = ARGS_QWORD == w ? MDOC_MAX : |
c = ARGS_QWORD == w ? MDOC_MAX : |
lookup(mdoc, line, la, tok, p); |
lookup(mdoc, line, la, tok, p); |
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/* MDOC_MAX (not a macro) or -1 (error). */ |
/* |
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* In this case, we've located a submacro and must |
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* execute it. Close out scope, if open. If no |
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* elements have been generated, either create one (nc) |
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* or raise a warning. |
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*/ |
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if (MDOC_MAX != c && -1 != c) { |
if (MDOC_MAX != c && -1 != c) { |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
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if (nc && 0 == cnt) { |
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if ( ! mdoc_elem_alloc(mdoc, line, ppos, |
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tok, arg)) |
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return(0); |
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if ( ! rew_last(mdoc, mdoc->last)) |
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return(0); |
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} else if ( ! nc && 0 == cnt) { |
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mdoc_argv_free(arg); |
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if ( ! mdoc_pwarn(mdoc, line, ppos, EIGNE)) |
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return(0); |
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} |
c = mdoc_macro(mdoc, c, line, la, pos, buf); |
c = mdoc_macro(mdoc, c, line, la, pos, buf); |
if (0 == c) |
if (0 == c) |
return(0); |
return(0); |
Line 856 in_line(MACRO_PROT_ARGS) |
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Line 823 in_line(MACRO_PROT_ARGS) |
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} else if (-1 == c) |
} else if (-1 == c) |
return(0); |
return(0); |
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/* Non-quote-enclosed punctuation. */ |
/* |
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* Non-quote-enclosed punctuation. Set up our scope, if |
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* a word; rewind the scope, if a delimiter; then append |
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* the word. |
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*/ |
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if (ARGS_QWORD != w && mdoc_isdelim(p)) { |
d = mdoc_isdelim(p); |
|
|
|
if (ARGS_QWORD != w && d) { |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
lastpunct = 1; |
lastpunct = 1; |
} else if (lastpunct) { |
} else if (lastpunct) { |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
|
|
if (0 == c) |
if (0 == c) |
return(0); |
return(0); |
|
|
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
lastpunct = 0; |
lastpunct = 0; |
} |
} |
|
|
|
if ( ! d) |
|
cnt++; |
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
Line 879 in_line(MACRO_PROT_ARGS) |
|
Line 852 in_line(MACRO_PROT_ARGS) |
|
|
|
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
return(0); |
return(0); |
|
|
|
/* |
|
* If no elements have been collected and we're allowed to have |
|
* empties (nc), open a scope and close it out. Otherwise, |
|
* raise a warning. |
|
* |
|
*/ |
|
if (nc && 0 == cnt) { |
|
c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
|
if (0 == c) |
|
return(0); |
|
if ( ! rew_last(mdoc, mdoc->last)) |
|
return(0); |
|
} else if ( ! nc && 0 == cnt) { |
|
mdoc_argv_free(arg); |
|
if ( ! mdoc_pwarn(mdoc, line, ppos, EIGNE)) |
|
return(0); |
|
} |
|
|
if (ppos > 1) |
if (ppos > 1) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(mdoc, line, pos, buf)); |
Line 891 in_line(MACRO_PROT_ARGS) |
|
Line 883 in_line(MACRO_PROT_ARGS) |
|
static int |
static int |
blk_full(MACRO_PROT_ARGS) |
blk_full(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, reopen; |
int c, lastarg, reopen, dohead; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
|
|
|
/* |
|
* Whether to process a block-head section. If this is |
|
* non-zero, then a head will be opened for all line arguments. |
|
* If not, then the head will always be empty and only a body |
|
* will be opened, which will stay open at the eoln. |
|
*/ |
|
|
|
switch (tok) { |
|
case (MDOC_Nd): |
|
dohead = 0; |
|
break; |
|
default: |
|
dohead = 1; |
|
break; |
|
} |
|
|
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! rew_subblock(MDOC_BODY, mdoc, |
if ( ! rew_subblock(MDOC_BODY, mdoc, |
tok, line, ppos)) |
tok, line, ppos)) |
Line 939 blk_full(MACRO_PROT_ARGS) |
|
Line 947 blk_full(MACRO_PROT_ARGS) |
|
|
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
|
|
|
/* Immediately close out head and enter body, if applicable. */ |
|
|
|
if (0 == dohead) { |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
} |
|
|
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
for (reopen = 0;; ) { |
for (reopen = 0;; ) { |
Line 950 blk_full(MACRO_PROT_ARGS) |
|
Line 968 blk_full(MACRO_PROT_ARGS) |
|
if (ARGS_EOLN == c) |
if (ARGS_EOLN == c) |
break; |
break; |
if (ARGS_PHRASE == c) { |
if (ARGS_PHRASE == c) { |
|
assert(dohead); |
if (reopen && ! mdoc_head_alloc |
if (reopen && ! mdoc_head_alloc |
(mdoc, line, ppos, tok)) |
(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
Line 986 blk_full(MACRO_PROT_ARGS) |
|
Line 1005 blk_full(MACRO_PROT_ARGS) |
|
|
|
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
return(0); |
return(0); |
|
|
|
/* If the body's already open, then just return. */ |
|
if (0 == dohead) |
|
return(1); |
|
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
return(0); |
return(0); |
|
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
Line 1059 blk_part_imp(MACRO_PROT_ARGS) |
|
Line 1082 blk_part_imp(MACRO_PROT_ARGS) |
|
if (body == n) |
if (body == n) |
break; |
break; |
|
|
if (NULL == n && ! pwarn(mdoc, body->line, body->pos, WIMPBRK)) |
if (NULL == n && ! mdoc_nwarn(mdoc, body, EIMPBRK)) |
return(0); |
return(0); |
|
|
if (n && ! rew_last(mdoc, body)) |
if (n && ! rew_last(mdoc, body)) |
|
|
obsolete(MACRO_PROT_ARGS) |
obsolete(MACRO_PROT_ARGS) |
{ |
{ |
|
|
return(pwarn(mdoc, line, ppos, WOBS)); |
return(mdoc_pwarn(mdoc, line, ppos, EOBS)); |
} |
} |
|
|
|
|
|
/* |
|
* Phrases occur within `Bl -column' entries, separated by `Ta' or tabs. |
|
* They're unusual because they're basically free-form text until a |
|
* macro is encountered. |
|
*/ |
static int |
static int |
phrase(struct mdoc *mdoc, int line, int ppos, char *buf) |
phrase(struct mdoc *mdoc, int line, int ppos, char *buf) |
{ |
{ |
int i, la, c, quoted; |
int c, w, la, pos; |
|
char *p; |
|
|
/* |
for (pos = ppos; ; ) { |
* Parse over words in a phrase. We have to handle this |
la = pos; |
* specially because we assume no calling context -- in normal |
|
* circumstances, we switch argument parsing based on whether |
|
* the parent macro accepts quotes, tabs, etc. Here, anything |
|
* goes. |
|
*/ |
|
|
|
for (i = ppos; buf[i]; ) { |
/* Note: no calling context! */ |
assert(' ' != buf[i]); |
w = mdoc_zargs(mdoc, line, &pos, buf, &p); |
la = i; |
|
quoted = 0; |
|
|
|
/* |
if (ARGS_ERROR == w) |
* Read to next token. If quoted (check not escaped), |
return(0); |
* scan ahead to next unescaped quote. If not quoted or |
if (ARGS_EOLN == w) |
* escape-quoted, then scan ahead to next space. |
break; |
*/ |
|
|
|
if ((i && '\"' == buf[i] && '\\' != buf[i - 1]) || |
c = ARGS_QWORD == w ? MDOC_MAX : |
(0 == i && '\"' == buf[i])) { |
mdoc_hash_find(mdoc->htab, p); |
for (la = ++i; buf[i]; i++) |
|
if ('\"' != buf[i]) |
|
continue; |
|
else if ('\\' != buf[i - 1]) |
|
break; |
|
if (0 == buf[i]) |
|
return(perr(mdoc, line, la, EQUOT)); |
|
quoted = 1; |
|
} else |
|
for ( ; buf[i]; i++) |
|
if (i && ' ' == buf[i]) { |
|
if ('\\' != buf[i - 1]) |
|
break; |
|
} else if (' ' == buf[i]) |
|
break; |
|
|
|
/* If not end-of-line, terminate argument. */ |
if (MDOC_MAX != c && -1 != c) { |
|
if ( ! mdoc_macro(mdoc, c, line, la, &pos, buf)) |
if (buf[i]) |
|
buf[i++] = 0; |
|
|
|
/* Read to next argument. */ |
|
|
|
for ( ; buf[i] && ' ' == buf[i]; i++) |
|
/* Spin. */ ; |
|
|
|
/* |
|
* If we're a non-quoted string, try to look up the |
|
* value as a macro and execute it, if found. |
|
*/ |
|
|
|
c = quoted ? MDOC_MAX : |
|
mdoc_tokhash_find(mdoc->htab, &buf[la]); |
|
|
|
if (MDOC_MAX != c) { |
|
if ( ! mdoc_macro(mdoc, c, line, la, &i, buf)) |
|
return(0); |
return(0); |
return(append_delims(mdoc, line, &i, buf)); |
return(append_delims(mdoc, line, &pos, buf)); |
} |
} else if (-1 == c) |
|
return(0); |
|
|
/* A regular word or quoted string. */ |
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
|
|
if ( ! mdoc_word_alloc(mdoc, line, la, &buf[la])) |
|
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
return(1); |
return(1); |
} |
} |
|
|
|
|