| version 1.3, 2009/03/27 13:44:24 |
version 1.155, 2014/11/30 02:36:38 |
|
|
| /* $Id$ */ |
/* $Id$ */ |
| /* |
/* |
| * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org> |
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
| |
* Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> |
| * |
* |
| * Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the |
* 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. |
|
| * |
* |
| * 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 "config.h" |
| |
|
| |
#include <sys/types.h> |
| |
|
| #include <assert.h> |
#include <assert.h> |
| #include <ctype.h> |
#include <ctype.h> |
| #include <stdlib.h> |
#include <stdlib.h> |
| #include <stdio.h> |
#include <stdio.h> |
| #include <string.h> |
#include <string.h> |
| |
#include <time.h> |
| |
|
| |
#include "mdoc.h" |
| |
#include "mandoc.h" |
| #include "libmdoc.h" |
#include "libmdoc.h" |
| |
#include "libmandoc.h" |
| |
|
| /* |
enum rew { /* see rew_dohalt() */ |
| * This has scanning/parsing routines, each of which extract a macro and |
REWIND_NONE, |
| * its arguments and parameters, then know how to progress to the next |
REWIND_THIS, |
| * macro. |
REWIND_MORE, |
| */ |
REWIND_FORCE, |
| |
REWIND_LATER, |
| /* FIXME: .Fl, .Ar, .Cd handling of `|'. */ |
REWIND_ERROR |
| |
|
| enum mwarn { |
|
| WIMPBRK, |
|
| WMACPARM, |
|
| WOBS |
|
| }; |
}; |
| |
|
| enum merr { |
static void blk_full(MACRO_PROT_ARGS); |
| EOPEN, |
static void blk_exp_close(MACRO_PROT_ARGS); |
| EQUOT, |
static void blk_part_exp(MACRO_PROT_ARGS); |
| ENOCTX, |
static void blk_part_imp(MACRO_PROT_ARGS); |
| ENOPARMS |
static void ctx_synopsis(MACRO_PROT_ARGS); |
| }; |
static void in_line_eoln(MACRO_PROT_ARGS); |
| |
static void in_line_argn(MACRO_PROT_ARGS); |
| |
static void in_line(MACRO_PROT_ARGS); |
| |
static void phrase_ta(MACRO_PROT_ARGS); |
| |
|
| #define REWIND_REWIND (1 << 0) |
static void dword(struct mdoc *, int, int, const char *, |
| #define REWIND_NOHALT (1 << 1) |
enum mdelim, int); |
| #define REWIND_HALT (1 << 2) |
static void append_delims(struct mdoc *, int, int *, char *); |
| |
static enum mdoct lookup(struct mdoc *, enum mdoct, |
| |
int, int, const char *); |
| |
static int macro_or_word(MACRO_PROT_ARGS, int); |
| |
static int make_pending(struct mdoc_node *, enum mdoct, |
| |
struct mdoc *, int, int); |
| |
static int parse_rest(struct mdoc *, enum mdoct, |
| |
int, int *, char *); |
| |
static enum mdoct rew_alt(enum mdoct); |
| |
static enum rew rew_dohalt(enum mdoct, enum mdoc_type, |
| |
const struct mdoc_node *); |
| |
static void rew_elem(struct mdoc *, enum mdoct); |
| |
static void rew_last(struct mdoc *, const struct mdoc_node *); |
| |
static void rew_sub(enum mdoc_type, struct mdoc *, |
| |
enum mdoct, int, int); |
| |
|
| static int obsolete(MACRO_PROT_ARGS); |
|
| static int blk_part_exp(MACRO_PROT_ARGS); |
|
| static int in_line_eoln(MACRO_PROT_ARGS); |
|
| static int in_line_argn(MACRO_PROT_ARGS); |
|
| static int in_line(MACRO_PROT_ARGS); |
|
| static int blk_full(MACRO_PROT_ARGS); |
|
| static int blk_exp_close(MACRO_PROT_ARGS); |
|
| static int blk_part_imp(MACRO_PROT_ARGS); |
|
| |
|
| static int phrase(struct mdoc *, int, int, char *); |
|
| static int rew_dohalt(int, enum mdoc_type, |
|
| const struct mdoc_node *); |
|
| static int rew_alt(int); |
|
| static int rew_dobreak(int, const struct mdoc_node *); |
|
| static int rew_elem(struct mdoc *, int); |
|
| static int rew_impblock(struct mdoc *, int, int, int); |
|
| static int rew_expblock(struct mdoc *, int, int, int); |
|
| static int rew_subblock(enum mdoc_type, |
|
| struct mdoc *, int, int, int); |
|
| static int rew_last(struct mdoc *, struct mdoc_node *); |
|
| static int append_delims(struct mdoc *, int, int *, char *); |
|
| static int lookup(struct mdoc *, int, int, int, const char *); |
|
| static int pwarn(struct mdoc *, int, int, enum mwarn); |
|
| static int perr(struct mdoc *, int, int, enum merr); |
|
| static int swarn(struct mdoc *, enum mdoc_type, int, int, |
|
| const struct mdoc_node *); |
|
| |
|
| #define nerr(m, n, t) perr((m), (n)->line, (n)->pos, (t)) |
|
| |
|
| /* Central table of library: who gets parsed how. */ |
|
| |
|
| 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 | MDOC_JOIN }, /* 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, MDOC_PARSED | MDOC_JOIN }, /* Sh */ |
| { blk_full, 0 }, /* Ss */ |
{ blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */ |
| { in_line, 0 }, /* Pp */ |
{ in_line_eoln, 0 }, /* Pp */ |
| { blk_part_imp, MDOC_PARSED }, /* D1 */ |
{ blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */ |
| { blk_part_imp, MDOC_PARSED }, /* Dl */ |
{ blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */ |
| { blk_full, MDOC_EXPLICIT }, /* Bd */ |
{ blk_full, MDOC_EXPLICIT }, /* Bd */ |
| { blk_exp_close, MDOC_EXPLICIT }, /* Ed */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */ |
| { blk_full, MDOC_EXPLICIT }, /* Bl */ |
{ blk_full, MDOC_EXPLICIT }, /* Bl */ |
| { blk_exp_close, MDOC_EXPLICIT }, /* El */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */ |
| { blk_full, MDOC_PARSED }, /* It */ |
{ blk_full, MDOC_PARSED | MDOC_JOIN }, /* 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 | MDOC_JOIN }, /* 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 | MDOC_JOIN }, /* 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 */ |
| { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */ |
| { in_line_eoln, 0 }, /* Ex */ |
{ in_line_eoln, 0 }, /* Ex */ |
| { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */ |
| { 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 | MDOC_JOIN }, /* 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 | MDOC_JOIN }, /* Li */ |
| { in_line_eoln, 0 }, /* Nd */ |
{ blk_full, MDOC_JOIN }, /* Nd */ |
| { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ |
{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */ |
| { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */ |
| { obsolete, 0 }, /* Ot */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */ |
| { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */ |
| { in_line_eoln, 0 }, /* Rv */ |
{ in_line_eoln, 0 }, /* Rv */ |
| { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */ |
| { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */ |
| { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ |
{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ |
| { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ |
| { in_line_eoln, 0 }, /* %A */ |
{ in_line_eoln, MDOC_JOIN }, /* %A */ |
| { in_line_eoln, 0 }, /* %B */ |
{ in_line_eoln, MDOC_JOIN }, /* %B */ |
| { in_line_eoln, 0 }, /* %D */ |
{ in_line_eoln, MDOC_JOIN }, /* %D */ |
| { in_line_eoln, 0 }, /* %I */ |
{ in_line_eoln, MDOC_JOIN }, /* %I */ |
| { in_line_eoln, 0 }, /* %J */ |
{ in_line_eoln, MDOC_JOIN }, /* %J */ |
| { in_line_eoln, 0 }, /* %N */ |
{ in_line_eoln, 0 }, /* %N */ |
| { in_line_eoln, 0 }, /* %O */ |
{ in_line_eoln, MDOC_JOIN }, /* %O */ |
| { in_line_eoln, 0 }, /* %P */ |
{ in_line_eoln, 0 }, /* %P */ |
| { in_line_eoln, 0 }, /* %R */ |
{ in_line_eoln, MDOC_JOIN }, /* %R */ |
| { in_line_eoln, 0 }, /* %T */ |
{ in_line_eoln, MDOC_JOIN }, /* %T */ |
| { in_line_eoln, 0 }, /* %V */ |
{ in_line_eoln, 0 }, /* %V */ |
| { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ac */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
| { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ao */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */ |
| { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
| |
MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */ |
| |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */ |
| { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */ |
| { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Bc */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
| { blk_full, MDOC_EXPLICIT }, /* Bf */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */ |
| { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bo */ |
{ blk_full, MDOC_EXPLICIT }, /* Bf */ |
| { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
| |
MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */ |
| |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */ |
| { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */ |
| { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */ |
| { in_line_eoln, 0 }, /* Db */ |
{ in_line_eoln, 0 }, /* Db */ |
| { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Dc */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
| { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Do */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */ |
| { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
| { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ec */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Do */ |
| { blk_exp_close, MDOC_EXPLICIT }, /* Ef */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */ |
| { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Em */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */ |
| |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */ |
| |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* 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, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */ |
| { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | |
| |
MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */ |
| { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */ |
| { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */ |
| { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
| { in_line_argn, MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */ |
| { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */ |
| { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
| { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Po */ |
| { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */ |
| { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Qo */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
| { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */ |
| { blk_exp_close, MDOC_EXPLICIT }, /* Re */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */ |
| |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
| |
MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */ |
| |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */ |
| |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */ |
| { blk_full, MDOC_EXPLICIT }, /* Rs */ |
{ blk_full, MDOC_EXPLICIT }, /* Rs */ |
| { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Sc */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
| { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* So */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */ |
| { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
| { in_line_eoln, 0 }, /* Sm */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* So */ |
| { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */ |
| { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */ |
{ in_line_argn, 0 }, /* Sm */ |
| |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */ |
| |
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */ |
| { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */ |
| { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ux */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */ |
| { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */ |
| { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */ |
| { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */ |
{ blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */ |
| { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Fc */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
| { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Oo */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */ |
| { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Oc */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
| |
MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */ |
| |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
| |
MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */ |
| { blk_full, MDOC_EXPLICIT }, /* Bk */ |
{ blk_full, MDOC_EXPLICIT }, /* Bk */ |
| { blk_exp_close, MDOC_EXPLICIT }, /* Ek */ |
{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */ |
| { in_line_eoln, 0 }, /* Bt */ |
{ in_line_eoln, 0 }, /* Bt */ |
| { in_line_eoln, 0 }, /* Hf */ |
{ in_line_eoln, 0 }, /* Hf */ |
| { obsolete, 0 }, /* Fr */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */ |
| { in_line_eoln, 0 }, /* Ud */ |
{ in_line_eoln, 0 }, /* Ud */ |
| { in_line_eoln, 0 }, /* Lb */ |
{ in_line, 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 */ |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */ |
| { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Brq */ |
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | |
| { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bro */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */ |
| { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Brc */ |
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | |
| { in_line_eoln, 0 }, /* %C */ |
MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */ |
| { obsolete, 0 }, /* Es */ |
{ in_line_eoln, MDOC_JOIN }, /* %C */ |
| { obsolete, 0 }, /* En */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */ |
| |
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* 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, MDOC_JOIN }, /* %Q */ |
| |
{ in_line_eoln, 0 }, /* br */ |
| |
{ in_line_eoln, 0 }, /* sp */ |
| |
{ in_line_eoln, 0 }, /* %U */ |
| |
{ phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */ |
| |
{ in_line_eoln, MDOC_PROLOGUE }, /* ll */ |
| }; |
}; |
| |
|
| const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
| |
|
| |
|
| static int |
|
| perr(struct mdoc *mdoc, int line, int pos, enum merr type) |
|
| { |
|
| char *p; |
|
| |
|
| p = NULL; |
|
| switch (type) { |
|
| case (EOPEN): |
|
| p = "explicit scope still open on exit"; |
|
| break; |
|
| case (EQUOT): |
|
| p = "unterminated quotation"; |
|
| break; |
|
| case (ENOCTX): |
|
| p = "closure has no prior context"; |
|
| break; |
|
| case (ENOPARMS): |
|
| p = "unexpect line arguments"; |
|
| break; |
|
| } |
|
| assert(p); |
|
| return(mdoc_perr(mdoc, line, pos, p)); |
|
| } |
|
| |
|
| |
|
| static int |
|
| pwarn(struct mdoc *mdoc, int line, int pos, enum mwarn type) |
|
| { |
|
| char *p; |
|
| |
|
| p = NULL; |
|
| switch (type) { |
|
| case (WIMPBRK): |
|
| p = "crufty end-of-line scope violation"; |
|
| break; |
|
| case (WMACPARM): |
|
| p = "macro-like parameter"; |
|
| break; |
|
| case (WOBS): |
|
| p = "macro marked obsolete"; |
|
| break; |
|
| } |
|
| assert(p); |
|
| return(mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, p)); |
|
| } |
|
| |
|
| |
|
| static int |
|
| swarn(struct mdoc *mdoc, enum mdoc_type type, |
|
| int line, int pos, const struct mdoc_node *p) |
|
| { |
|
| const char *n, *t, *tt; |
|
| |
|
| n = t = "<root>"; |
|
| tt = "block"; |
|
| |
|
| switch (type) { |
|
| case (MDOC_BODY): |
|
| tt = "multi-line"; |
|
| break; |
|
| case (MDOC_HEAD): |
|
| tt = "line"; |
|
| break; |
|
| default: |
|
| break; |
|
| } |
|
| |
|
| switch (p->type) { |
|
| case (MDOC_BLOCK): |
|
| n = mdoc_macronames[p->tok]; |
|
| t = "block"; |
|
| break; |
|
| case (MDOC_BODY): |
|
| n = mdoc_macronames[p->tok]; |
|
| t = "multi-line"; |
|
| break; |
|
| case (MDOC_HEAD): |
|
| n = mdoc_macronames[p->tok]; |
|
| t = "line"; |
|
| break; |
|
| default: |
|
| break; |
|
| } |
|
| |
|
| if ( ! (MDOC_IGN_SCOPE & mdoc->pflags)) |
|
| return(mdoc_perr(mdoc, line, pos, |
|
| "%s scope breaks %s scope of %s", |
|
| tt, t, n)); |
|
| return(mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX, |
|
| "%s scope breaks %s scope of %s", |
|
| tt, t, n)); |
|
| } |
|
| |
|
| |
|
| /* |
/* |
| * 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 |
| * are errors. |
* are errors. |
| */ |
*/ |
| int |
void |
| mdoc_macroend(struct mdoc *mdoc) |
mdoc_macroend(struct mdoc *mdoc) |
| { |
{ |
| struct mdoc_node *n; |
struct mdoc_node *n; |
| |
|
| /* Scan for open explicit scopes. */ |
/* Scan for open explicit scopes. */ |
| |
|
| n = MDOC_VALID & mdoc->last->flags ? |
n = mdoc->last->flags & MDOC_VALID ? |
| mdoc->last->parent : mdoc->last; |
mdoc->last->parent : mdoc->last; |
| |
|
| for ( ; n; n = n->parent) { |
for ( ; n; n = n->parent) |
| if (MDOC_BLOCK != n->type) |
if (n->type == MDOC_BLOCK && |
| continue; |
mdoc_macros[n->tok].flags & MDOC_EXPLICIT) |
| if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse, |
| continue; |
n->line, n->pos, mdoc_macronames[n->tok]); |
| return(nerr(mdoc, n, EOPEN)); |
|
| } |
|
| |
|
| return(rew_last(mdoc, mdoc->first)); |
/* Rewind to the first. */ |
| |
|
| |
rew_last(mdoc, mdoc->first); |
| } |
} |
| |
|
| static int |
/* |
| lookup(struct mdoc *mdoc, int line, int pos, int from, const char *p) |
* Look up the macro at *p called by "from", |
| |
* or as a line macro if from == MDOC_MAX. |
| |
*/ |
| |
static enum mdoct |
| |
lookup(struct mdoc *mdoc, enum mdoct from, int line, int ppos, const char *p) |
| { |
{ |
| int res; |
enum mdoct res; |
| |
|
| res = mdoc_tokhash_find(mdoc->htab, p); |
if (from == MDOC_MAX || mdoc_macros[from].flags & MDOC_PARSED) { |
| if (MDOC_PARSED & mdoc_macros[from].flags) |
res = mdoc_hash_find(p); |
| return(res); |
if (res != MDOC_MAX) { |
| if (MDOC_MAX == res) |
if (mdoc_macros[res].flags & MDOC_CALLABLE) |
| return(res); |
return(res); |
| if ( ! pwarn(mdoc, line, pos, WMACPARM)) |
if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll) |
| return(-1); |
mandoc_msg(MANDOCERR_MACRO_CALL, |
| |
mdoc->parse, line, ppos, p); |
| |
} |
| |
} |
| return(MDOC_MAX); |
return(MDOC_MAX); |
| } |
} |
| |
|
| |
static void |
| static int |
rew_last(struct mdoc *mdoc, const struct mdoc_node *to) |
| rew_last(struct mdoc *mdoc, struct mdoc_node *to) |
|
| { |
{ |
| |
struct mdoc_node *n, *np; |
| |
|
| assert(to); |
assert(to); |
| mdoc->next = MDOC_NEXT_SIBLING; |
mdoc->next = MDOC_NEXT_SIBLING; |
| |
|
| /* LINTED */ |
|
| while (mdoc->last != to) { |
while (mdoc->last != to) { |
| if ( ! mdoc_valid_post(mdoc)) |
/* |
| return(0); |
* Save the parent here, because we may delete the |
| if ( ! mdoc_action_post(mdoc)) |
* mdoc->last node in the post-validation phase and reset |
| return(0); |
* it to mdoc->last->parent, causing a step in the closing |
| mdoc->last = mdoc->last->parent; |
* out to be lost. |
| |
*/ |
| |
np = mdoc->last->parent; |
| |
mdoc_valid_post(mdoc); |
| |
n = mdoc->last; |
| |
mdoc->last = np; |
| assert(mdoc->last); |
assert(mdoc->last); |
| |
mdoc->last->last = n; |
| } |
} |
| |
mdoc_valid_post(mdoc); |
| if ( ! mdoc_valid_post(mdoc)) |
|
| return(0); |
|
| return(mdoc_action_post(mdoc)); |
|
| } |
} |
| |
|
| |
/* |
| static int |
* For a block closing macro, return the corresponding opening one. |
| rew_alt(int tok) |
* Otherwise, return the macro itself. |
| |
*/ |
| |
static enum mdoct |
| |
rew_alt(enum mdoct tok) |
| { |
{ |
| switch (tok) { |
switch (tok) { |
| case (MDOC_Ac): |
case MDOC_Ac: |
| return(MDOC_Ao); |
return(MDOC_Ao); |
| case (MDOC_Bc): |
case MDOC_Bc: |
| return(MDOC_Bo); |
return(MDOC_Bo); |
| case (MDOC_Brc): |
case MDOC_Brc: |
| return(MDOC_Bro); |
return(MDOC_Bro); |
| case (MDOC_Dc): |
case MDOC_Dc: |
| return(MDOC_Do); |
return(MDOC_Do); |
| case (MDOC_Ec): |
case MDOC_Ec: |
| return(MDOC_Eo); |
return(MDOC_Eo); |
| case (MDOC_Ed): |
case MDOC_Ed: |
| return(MDOC_Bd); |
return(MDOC_Bd); |
| case (MDOC_Ef): |
case MDOC_Ef: |
| return(MDOC_Bf); |
return(MDOC_Bf); |
| case (MDOC_Ek): |
case MDOC_Ek: |
| return(MDOC_Bk); |
return(MDOC_Bk); |
| case (MDOC_El): |
case MDOC_El: |
| return(MDOC_Bl); |
return(MDOC_Bl); |
| case (MDOC_Fc): |
case MDOC_Fc: |
| return(MDOC_Fo); |
return(MDOC_Fo); |
| case (MDOC_Oc): |
case MDOC_Oc: |
| return(MDOC_Oo); |
return(MDOC_Oo); |
| case (MDOC_Pc): |
case MDOC_Pc: |
| return(MDOC_Po); |
return(MDOC_Po); |
| case (MDOC_Qc): |
case MDOC_Qc: |
| return(MDOC_Qo); |
return(MDOC_Qo); |
| case (MDOC_Re): |
case MDOC_Re: |
| return(MDOC_Rs); |
return(MDOC_Rs); |
| case (MDOC_Sc): |
case MDOC_Sc: |
| return(MDOC_So); |
return(MDOC_So); |
| case (MDOC_Xc): |
case MDOC_Xc: |
| return(MDOC_Xo); |
return(MDOC_Xo); |
| default: |
default: |
| break; |
return(tok); |
| } |
} |
| abort(); |
|
| /* NOTREACHED */ |
/* NOTREACHED */ |
| } |
} |
| |
|
| |
/* |
| /* |
* Rewinding to tok, how do we have to handle *p? |
| * Rewind rules. This indicates whether to stop rewinding |
* REWIND_NONE: *p would delimit tok, but no tok scope is open |
| * (REWIND_HALT) without touching our current scope, stop rewinding and |
* inside *p, so there is no need to rewind anything at all. |
| * close our current scope (REWIND_REWIND), or continue (REWIND_NOHALT). |
* REWIND_THIS: *p matches tok, so rewind *p and nothing else. |
| * The scope-closing and so on occurs in the various rew_* routines. |
* REWIND_MORE: *p is implicit, rewind it and keep searching for tok. |
| |
* REWIND_FORCE: *p is explicit, but tok is full, force rewinding *p. |
| |
* REWIND_LATER: *p is explicit and still open, postpone rewinding. |
| |
* REWIND_ERROR: No tok block is open at all. |
| */ |
*/ |
| static int |
static enum rew |
| rew_dohalt(int tok, enum mdoc_type type, const struct mdoc_node *p) |
rew_dohalt(enum mdoct tok, enum mdoc_type type, |
| |
const struct mdoc_node *p) |
| { |
{ |
| |
|
| |
/* |
| |
* No matching token, no delimiting block, no broken block. |
| |
* This can happen when full implicit macros are called for |
| |
* the first time but try to rewind their previous |
| |
* instance anyway. |
| |
*/ |
| if (MDOC_ROOT == p->type) |
if (MDOC_ROOT == p->type) |
| return(REWIND_HALT); |
return(MDOC_BLOCK == type && |
| if (MDOC_VALID & p->flags) |
MDOC_EXPLICIT & mdoc_macros[tok].flags ? |
| return(REWIND_NOHALT); |
REWIND_ERROR : REWIND_NONE); |
| |
|
| switch (tok) { |
/* |
| case (MDOC_Aq): |
* When starting to rewind, skip plain text |
| /* FALLTHROUGH */ |
* and nodes that have already been rewound. |
| case (MDOC_Bq): |
*/ |
| /* FALLTHROUGH */ |
if (MDOC_TEXT == p->type || MDOC_VALID & p->flags) |
| case (MDOC_Brq): |
return(REWIND_MORE); |
| /* FALLTHROUGH */ |
|
| case (MDOC_D1): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Dl): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Dq): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Op): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Pq): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Ql): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Qq): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Sq): |
|
| assert(MDOC_HEAD != type); |
|
| assert(MDOC_TAIL != type); |
|
| if (type == p->type && tok == p->tok) |
|
| return(REWIND_REWIND); |
|
| break; |
|
| case (MDOC_It): |
|
| assert(MDOC_TAIL != type); |
|
| if (type == p->type && tok == p->tok) |
|
| return(REWIND_REWIND); |
|
| if (MDOC_BODY == p->type && MDOC_Bl == p->tok) |
|
| return(REWIND_HALT); |
|
| break; |
|
| case (MDOC_Sh): |
|
| if (type == p->type && tok == p->tok) |
|
| return(REWIND_REWIND); |
|
| break; |
|
| case (MDOC_Ss): |
|
| assert(MDOC_TAIL != type); |
|
| if (type == p->type && tok == p->tok) |
|
| return(REWIND_REWIND); |
|
| if (MDOC_BODY == p->type && MDOC_Sh == p->tok) |
|
| return(REWIND_HALT); |
|
| break; |
|
| case (MDOC_Ao): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Bd): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Bf): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Bk): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Bl): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Bo): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Bro): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Do): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Eo): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Fo): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Oo): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Po): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Qo): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Rs): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_So): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Xo): |
|
| if (type == p->type && tok == p->tok) |
|
| return(REWIND_REWIND); |
|
| break; |
|
| |
|
| /* Multi-line explicit scope close. */ |
/* |
| case (MDOC_Ac): |
* The easiest case: Found a matching token. |
| /* FALLTHROUGH */ |
* This applies to both blocks and elements. |
| case (MDOC_Bc): |
*/ |
| /* FALLTHROUGH */ |
tok = rew_alt(tok); |
| case (MDOC_Brc): |
if (tok == p->tok) |
| /* FALLTHROUGH */ |
return(p->end ? REWIND_NONE : |
| case (MDOC_Dc): |
type == p->type ? REWIND_THIS : REWIND_MORE); |
| /* FALLTHROUGH */ |
|
| case (MDOC_Ec): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Ed): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Ek): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_El): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Fc): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Ef): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Oc): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Pc): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Qc): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Re): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Sc): |
|
| /* FALLTHROUGH */ |
|
| case (MDOC_Xc): |
|
| if (type == p->type && rew_alt(tok) == p->tok) |
|
| return(REWIND_REWIND); |
|
| break; |
|
| default: |
|
| abort(); |
|
| /* NOTREACHED */ |
|
| } |
|
| |
|
| return(REWIND_NOHALT); |
/* |
| } |
* While elements do require rewinding for themselves, |
| |
* they never affect rewinding of other nodes. |
| |
*/ |
| /* |
|
| * See if we can break an encountered scope (the rew_dohalt has returned |
|
| * REWIND_NOHALT). |
|
| */ |
|
| static int |
|
| rew_dobreak(int tok, const struct mdoc_node *p) |
|
| { |
|
| |
|
| assert(MDOC_ROOT != p->type); |
|
| if (MDOC_ELEM == p->type) |
if (MDOC_ELEM == p->type) |
| return(1); |
return(REWIND_MORE); |
| if (MDOC_TEXT == p->type) |
|
| return(1); |
|
| if (MDOC_VALID & p->flags) |
|
| return(1); |
|
| |
|
| |
/* |
| |
* Blocks delimited by our target token get REWIND_MORE. |
| |
* Blocks delimiting our target token get REWIND_NONE. |
| |
*/ |
| switch (tok) { |
switch (tok) { |
| case (MDOC_It): |
case MDOC_Bl: |
| return(MDOC_It == p->tok); |
|
| case (MDOC_Ss): |
|
| return(MDOC_Ss == p->tok); |
|
| case (MDOC_Sh): |
|
| if (MDOC_Ss == p->tok) |
|
| return(1); |
|
| return(MDOC_Sh == p->tok); |
|
| case (MDOC_El): |
|
| if (MDOC_It == p->tok) |
if (MDOC_It == p->tok) |
| return(1); |
return(REWIND_MORE); |
| break; |
break; |
| case (MDOC_Oc): |
case MDOC_It: |
| /* XXX - experimental! */ |
if (MDOC_BODY == p->type && MDOC_Bl == p->tok) |
| |
return(REWIND_NONE); |
| |
break; |
| |
/* |
| |
* XXX Badly nested block handling still fails badly |
| |
* when one block is breaking two blocks of the same type. |
| |
* This is an incomplete and extremely ugly workaround, |
| |
* required to let the OpenBSD tree build. |
| |
*/ |
| |
case MDOC_Oo: |
| if (MDOC_Op == p->tok) |
if (MDOC_Op == p->tok) |
| return(1); |
return(REWIND_MORE); |
| break; |
break; |
| |
case MDOC_Nm: |
| |
return(REWIND_NONE); |
| |
case MDOC_Nd: |
| |
/* FALLTHROUGH */ |
| |
case MDOC_Ss: |
| |
if (MDOC_BODY == p->type && MDOC_Sh == p->tok) |
| |
return(REWIND_NONE); |
| |
/* FALLTHROUGH */ |
| |
case MDOC_Sh: |
| |
if (MDOC_ROOT == p->parent->type) |
| |
return(REWIND_THIS); |
| |
if (MDOC_Nd == p->tok || MDOC_Ss == p->tok || |
| |
MDOC_Sh == p->tok) |
| |
return(REWIND_MORE); |
| |
break; |
| default: |
default: |
| break; |
break; |
| } |
} |
| |
|
| if (MDOC_EXPLICIT & mdoc_macros[tok].flags) |
/* |
| return(p->tok == rew_alt(tok)); |
* Default block rewinding rules. |
| else if (MDOC_BLOCK == p->type) |
* In particular, always skip block end markers, |
| return(1); |
* and let all blocks rewind Nm children. |
| |
* Do not warn again when closing a block, |
| |
* since closing the body already warned. |
| |
*/ |
| |
if (ENDBODY_NOT != p->end || MDOC_Nm == p->tok || |
| |
MDOC_BLOCK == type || (MDOC_BLOCK == p->type && |
| |
! (MDOC_EXPLICIT & mdoc_macros[tok].flags))) |
| |
return(REWIND_MORE); |
| |
|
| return(tok == p->tok); |
/* |
| |
* By default, closing out full blocks |
| |
* forces closing of broken explicit blocks, |
| |
* while closing out partial blocks |
| |
* allows delayed rewinding by default. |
| |
*/ |
| |
return (&blk_full == mdoc_macros[tok].fp ? |
| |
REWIND_FORCE : REWIND_LATER); |
| } |
} |
| |
|
| |
static void |
| static int |
rew_elem(struct mdoc *mdoc, enum mdoct tok) |
| rew_elem(struct mdoc *mdoc, int tok) |
|
| { |
{ |
| struct mdoc_node *n; |
struct mdoc_node *n; |
| |
|
| Line 604 rew_elem(struct mdoc *mdoc, int tok) |
|
| Line 456 rew_elem(struct mdoc *mdoc, int tok) |
|
| n = n->parent; |
n = n->parent; |
| assert(MDOC_ELEM == n->type); |
assert(MDOC_ELEM == n->type); |
| assert(tok == n->tok); |
assert(tok == n->tok); |
| |
rew_last(mdoc, n); |
| return(rew_last(mdoc, n)); |
|
| } |
} |
| |
|
| |
/* |
| |
* We are trying to close a block identified by tok, |
| |
* but the child block *broken is still open. |
| |
* Thus, postpone closing the tok block |
| |
* until the rew_sub call closing *broken. |
| |
*/ |
| static int |
static int |
| rew_subblock(enum mdoc_type type, struct mdoc *mdoc, |
make_pending(struct mdoc_node *broken, enum mdoct tok, |
| int tok, int line, int ppos) |
struct mdoc *mdoc, int line, int ppos) |
| { |
{ |
| struct mdoc_node *n; |
struct mdoc_node *breaker; |
| int c; |
|
| |
|
| /* LINTED */ |
/* |
| for (n = mdoc->last; n; n = n->parent) { |
* Iterate backwards, searching for the block matching tok, |
| c = rew_dohalt(tok, type, n); |
* that is, the block breaking the *broken block. |
| if (REWIND_HALT == c) |
*/ |
| return(1); |
for (breaker = broken->parent; breaker; breaker = breaker->parent) { |
| if (REWIND_REWIND == c) |
|
| break; |
/* |
| else if (rew_dobreak(tok, n)) |
* If the *broken block had already been broken before |
| |
* and we encounter its breaker, make the tok block |
| |
* pending on the inner breaker. |
| |
* Graphically, "[A breaker=[B broken=[C->B B] tok=A] C]" |
| |
* becomes "[A broken=[B [C->B B] tok=A] C]" |
| |
* and finally "[A [B->A [C->B B] A] C]". |
| |
*/ |
| |
if (breaker == broken->pending) { |
| |
broken = breaker; |
| continue; |
continue; |
| if ( ! swarn(mdoc, type, line, ppos, n)) |
} |
| return(0); |
|
| |
if (REWIND_THIS != rew_dohalt(tok, MDOC_BLOCK, breaker)) |
| |
continue; |
| |
if (MDOC_BODY == broken->type) |
| |
broken = broken->parent; |
| |
|
| |
/* |
| |
* Found the breaker. |
| |
* If another, outer breaker is already pending on |
| |
* the *broken block, we must not clobber the link |
| |
* to the outer breaker, but make it pending on the |
| |
* new, now inner breaker. |
| |
* Graphically, "[A breaker=[B broken=[C->A A] tok=B] C]" |
| |
* becomes "[A breaker=[B->A broken=[C A] tok=B] C]" |
| |
* and finally "[A [B->A [C->B A] B] C]". |
| |
*/ |
| |
if (broken->pending) { |
| |
struct mdoc_node *taker; |
| |
|
| |
/* |
| |
* If the breaker had also been broken before, |
| |
* it cannot take on the outer breaker itself, |
| |
* but must hand it on to its own breakers. |
| |
* Graphically, this is the following situation: |
| |
* "[A [B breaker=[C->B B] broken=[D->A A] tok=C] D]" |
| |
* "[A taker=[B->A breaker=[C->B B] [D->C A] C] D]" |
| |
*/ |
| |
taker = breaker; |
| |
while (taker->pending) |
| |
taker = taker->pending; |
| |
taker->pending = broken->pending; |
| |
} |
| |
broken->pending = breaker; |
| |
mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, line, ppos, |
| |
"%s breaks %s", mdoc_macronames[tok], |
| |
mdoc_macronames[broken->tok]); |
| |
return(1); |
| } |
} |
| |
|
| assert(n); |
/* |
| return(rew_last(mdoc, n)); |
* Found no matching block for tok. |
| |
* Are you trying to close a block that is not open? |
| |
*/ |
| |
return(0); |
| } |
} |
| |
|
| |
static void |
| static int |
rew_sub(enum mdoc_type t, struct mdoc *mdoc, |
| rew_expblock(struct mdoc *mdoc, int tok, int line, int ppos) |
enum mdoct tok, int line, int ppos) |
| { |
{ |
| struct mdoc_node *n; |
struct mdoc_node *n; |
| int c; |
|
| |
|
| /* LINTED */ |
n = mdoc->last; |
| for (n = mdoc->last; n; n = n->parent) { |
while (n) { |
| c = rew_dohalt(tok, MDOC_BLOCK, n); |
switch (rew_dohalt(tok, t, n)) { |
| if (REWIND_HALT == c) |
case REWIND_NONE: |
| return(perr(mdoc, line, ppos, ENOCTX)); |
return; |
| if (REWIND_REWIND == c) |
case REWIND_THIS: |
| |
n->lastline = line - |
| |
(mdoc->flags & MDOC_NEWLINE && |
| |
! (mdoc_macros[tok].flags & MDOC_EXPLICIT)); |
| break; |
break; |
| else if (rew_dobreak(tok, n)) |
case REWIND_FORCE: |
| |
mandoc_vmsg(MANDOCERR_BLK_BROKEN, mdoc->parse, |
| |
line, ppos, "%s breaks %s", |
| |
mdoc_macronames[tok], |
| |
mdoc_macronames[n->tok]); |
| |
/* FALLTHROUGH */ |
| |
case REWIND_MORE: |
| |
n->lastline = line - |
| |
(mdoc->flags & MDOC_NEWLINE ? 1 : 0); |
| |
n = n->parent; |
| continue; |
continue; |
| if ( ! swarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
case REWIND_LATER: |
| return(0); |
if (make_pending(n, tok, mdoc, line, ppos) || |
| |
t != MDOC_BLOCK) |
| |
return; |
| |
/* FALLTHROUGH */ |
| |
case REWIND_ERROR: |
| |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, |
| |
mdoc->parse, line, ppos, |
| |
mdoc_macronames[tok]); |
| |
return; |
| |
} |
| |
break; |
| } |
} |
| |
|
| assert(n); |
assert(n); |
| return(rew_last(mdoc, n)); |
rew_last(mdoc, n); |
| |
|
| |
/* |
| |
* The current block extends an enclosing block. |
| |
* Now that the current block ends, close the enclosing block, too. |
| |
*/ |
| |
while ((n = n->pending) != NULL) { |
| |
rew_last(mdoc, n); |
| |
if (n->type == MDOC_HEAD) |
| |
mdoc_body_alloc(mdoc, n->line, n->pos, n->tok); |
| |
} |
| } |
} |
| |
|
| |
/* |
| static int |
* Allocate a word and check whether it's punctuation or not. |
| rew_impblock(struct mdoc *mdoc, int tok, int line, int ppos) |
* Punctuation consists of those tokens found in mdoc_isdelim(). |
| |
*/ |
| |
static void |
| |
dword(struct mdoc *mdoc, int line, int col, const char *p, |
| |
enum mdelim d, int may_append) |
| { |
{ |
| struct mdoc_node *n; |
|
| int c; |
|
| |
|
| /* LINTED */ |
if (d == DELIM_MAX) |
| for (n = mdoc->last; n; n = n->parent) { |
d = mdoc_isdelim(p); |
| c = rew_dohalt(tok, MDOC_BLOCK, n); |
|
| if (REWIND_HALT == c) |
if (may_append && |
| return(1); |
! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) && |
| else if (REWIND_REWIND == c) |
d == DELIM_NONE && mdoc->last->type == MDOC_TEXT && |
| break; |
mdoc_isdelim(mdoc->last->string) == DELIM_NONE) { |
| else if (rew_dobreak(tok, n)) |
mdoc_word_append(mdoc, p); |
| continue; |
return; |
| if ( ! swarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
|
| return(0); |
|
| } |
} |
| |
|
| assert(n); |
mdoc_word_alloc(mdoc, line, col, p); |
| return(rew_last(mdoc, n)); |
|
| } |
|
| |
|
| |
/* |
| |
* If the word consists of a bare delimiter, |
| |
* flag the new node accordingly, |
| |
* unless doing so was vetoed by the invoking macro. |
| |
* Always clear the veto, it is only valid for one word. |
| |
*/ |
| |
|
| static int |
if (d == DELIM_OPEN) |
| |
mdoc->last->flags |= MDOC_DELIMO; |
| |
else if (d == DELIM_CLOSE && |
| |
! (mdoc->flags & MDOC_NODELIMC) && |
| |
mdoc->last->parent->tok != MDOC_Fd) |
| |
mdoc->last->flags |= MDOC_DELIMC; |
| |
mdoc->flags &= ~MDOC_NODELIMC; |
| |
} |
| |
|
| |
static void |
| append_delims(struct mdoc *mdoc, int line, int *pos, char *buf) |
append_delims(struct mdoc *mdoc, int line, int *pos, char *buf) |
| { |
{ |
| int c, lastarg; |
|
| char *p; |
char *p; |
| |
int la; |
| |
|
| if (0 == buf[*pos]) |
if (buf[*pos] == '\0') |
| return(1); |
return; |
| |
|
| for (;;) { |
for (;;) { |
| lastarg = *pos; |
la = *pos; |
| c = mdoc_args(mdoc, line, pos, buf, 0, &p); |
if (mdoc_args(mdoc, line, pos, buf, MDOC_MAX, &p) == ARGS_EOLN) |
| assert(ARGS_PHRASE != c); |
|
| |
|
| if (ARGS_ERROR == c) |
|
| return(0); |
|
| else if (ARGS_EOLN == c) |
|
| break; |
break; |
| assert(mdoc_isdelim(p)); |
dword(mdoc, line, la, p, DELIM_MAX, 1); |
| if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
| return(0); |
|
| mdoc->next = MDOC_NEXT_SIBLING; |
|
| } |
|
| |
|
| return(1); |
/* |
| |
* If we encounter end-of-sentence symbols, then trigger |
| |
* the double-space. |
| |
* |
| |
* XXX: it's easy to allow this to propagate outward to |
| |
* the last symbol, such that `. )' will cause the |
| |
* correct double-spacing. However, (1) groff isn't |
| |
* smart enough to do this and (2) it would require |
| |
* knowing which symbols break this behaviour, for |
| |
* example, `. ;' shouldn't propagate the double-space. |
| |
*/ |
| |
|
| |
if (mandoc_eos(p, strlen(p))) |
| |
mdoc->last->flags |= MDOC_EOS; |
| |
} |
| } |
} |
| |
|
| |
|
| /* |
/* |
| * Close out block partial/full explicit. |
* Parse one word. |
| |
* If it is a macro, call it and return 1. |
| |
* Otherwise, allocate it and return 0. |
| */ |
*/ |
| static int |
static int |
| |
macro_or_word(MACRO_PROT_ARGS, int parsed) |
| |
{ |
| |
char *p; |
| |
enum mdoct ntok; |
| |
|
| |
p = buf + ppos; |
| |
ntok = MDOC_MAX; |
| |
if (mdoc->flags & MDOC_PHRASELIT) |
| |
/* nothing */; |
| |
else if (*p == '"') |
| |
p++; |
| |
else if (parsed) |
| |
ntok = lookup(mdoc, tok, line, ppos, p); |
| |
|
| |
if (ntok == MDOC_MAX) { |
| |
dword(mdoc, line, ppos, p, DELIM_MAX, tok == MDOC_MAX || |
| |
mdoc_macros[tok].flags & MDOC_JOIN); |
| |
return(0); |
| |
} else { |
| |
if (mdoc_macros[tok].fp == in_line_eoln) |
| |
rew_elem(mdoc, tok); |
| |
mdoc_macro(mdoc, ntok, line, ppos, pos, buf); |
| |
if (tok == MDOC_MAX) |
| |
append_delims(mdoc, line, pos, buf); |
| |
return(1); |
| |
} |
| |
} |
| |
|
| |
/* |
| |
* Close out block partial/full explicit. |
| |
*/ |
| |
static void |
| blk_exp_close(MACRO_PROT_ARGS) |
blk_exp_close(MACRO_PROT_ARGS) |
| { |
{ |
| int j, c, lastarg, maxargs, flushed; |
struct mdoc_node *body; /* Our own body. */ |
| |
struct mdoc_node *endbody; /* Our own end marker. */ |
| |
struct mdoc_node *later; /* A sub-block starting later. */ |
| |
struct mdoc_node *n; /* For searching backwards. */ |
| |
|
| |
int j, lastarg, maxargs, flushed, nl; |
| |
enum margserr ac; |
| |
enum mdoct atok, ntok; |
| char *p; |
char *p; |
| |
|
| |
nl = MDOC_NEWLINE & mdoc->flags; |
| |
|
| switch (tok) { |
switch (tok) { |
| case (MDOC_Ec): |
case MDOC_Ec: |
| maxargs = 1; |
maxargs = 1; |
| break; |
break; |
| |
case MDOC_Ek: |
| |
mdoc->flags &= ~MDOC_KEEP; |
| |
/* FALLTHROUGH */ |
| default: |
default: |
| maxargs = 0; |
maxargs = 0; |
| break; |
break; |
| } |
} |
| |
|
| if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
/* |
| if (0 == buf[*pos]) { |
* Search backwards for beginnings of blocks, |
| if ( ! rew_subblock(MDOC_BODY, mdoc, |
* both of our own and of pending sub-blocks. |
| tok, line, ppos)) |
*/ |
| return(0); |
|
| return(rew_expblock(mdoc, tok, line, ppos)); |
atok = rew_alt(tok); |
| |
body = endbody = later = NULL; |
| |
for (n = mdoc->last; n; n = n->parent) { |
| |
if (n->flags & MDOC_VALID) |
| |
continue; |
| |
|
| |
/* Remember the start of our own body. */ |
| |
|
| |
if (n->type == MDOC_BODY && atok == n->tok) { |
| |
if (n->end == ENDBODY_NOT) |
| |
body = n; |
| |
continue; |
| } |
} |
| return(perr(mdoc, line, ppos, ENOPARMS)); |
|
| |
if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm) |
| |
continue; |
| |
if (atok == n->tok) { |
| |
assert(body); |
| |
|
| |
/* |
| |
* Found the start of our own block. |
| |
* When there is no pending sub block, |
| |
* just proceed to closing out. |
| |
*/ |
| |
|
| |
if (later == NULL) |
| |
break; |
| |
|
| |
/* |
| |
* When there is a pending sub block, |
| |
* postpone closing out the current block |
| |
* until the rew_sub() closing out the sub-block. |
| |
*/ |
| |
|
| |
make_pending(later, tok, mdoc, line, ppos); |
| |
|
| |
/* |
| |
* Mark the place where the formatting - but not |
| |
* the scope - of the current block ends. |
| |
*/ |
| |
|
| |
mdoc_endbody_alloc(mdoc, line, ppos, |
| |
atok, body, ENDBODY_SPACE); |
| |
|
| |
/* |
| |
* If a block closing macro taking arguments |
| |
* breaks another block, put the arguments |
| |
* into the end marker and remeber the |
| |
* end marker in order to close it out. |
| |
*/ |
| |
|
| |
if (maxargs) { |
| |
endbody = mdoc->last; |
| |
mdoc->next = MDOC_NEXT_CHILD; |
| |
} |
| |
break; |
| |
} |
| |
|
| |
/* |
| |
* When finding an open sub block, remember the last |
| |
* open explicit block, or, in case there are only |
| |
* implicit ones, the first open implicit block. |
| |
*/ |
| |
|
| |
if (later && |
| |
mdoc_macros[later->tok].flags & MDOC_EXPLICIT) |
| |
continue; |
| |
if (n->tok != MDOC_It) |
| |
later = n; |
| } |
} |
| |
rew_sub(MDOC_BODY, mdoc, tok, line, ppos); |
| |
|
| if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) { |
| return(0); |
if (buf[*pos] != '\0') |
| |
mandoc_vmsg(MANDOCERR_ARG_SKIP, |
| |
mdoc->parse, line, ppos, |
| |
"%s %s", mdoc_macronames[tok], |
| |
buf + *pos); |
| |
rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos); |
| |
return; |
| |
} |
| |
|
| if (maxargs > 0) { |
if (maxargs && endbody == NULL) { |
| if ( ! mdoc_tail_alloc(mdoc, line, |
if (n == NULL) { |
| ppos, rew_alt(tok))) |
/* |
| return(0); |
* Stray .Ec without previous .Eo: |
| mdoc->next = MDOC_NEXT_CHILD; |
* Break the output line, ignore any arguments. |
| |
*/ |
| |
mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL); |
| |
rew_elem(mdoc, MDOC_br); |
| |
} else |
| |
mdoc_tail_alloc(mdoc, line, ppos, atok); |
| } |
} |
| |
|
| for (lastarg = ppos, flushed = j = 0; ; j++) { |
flushed = n == NULL; |
| |
for (j = 0; ; j++) { |
| lastarg = *pos; |
lastarg = *pos; |
| |
|
| if (j == maxargs && ! flushed) { |
if (j == maxargs && ! flushed) { |
| if ( ! rew_expblock(mdoc, tok, line, ppos)) |
if (endbody == NULL) |
| return(0); |
rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos); |
| |
else |
| |
rew_last(mdoc, endbody); |
| flushed = 1; |
flushed = 1; |
| } |
} |
| |
|
| c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
| |
if (ac == ARGS_PUNCT || ac == ARGS_EOLN) |
| if (ARGS_ERROR == c) |
|
| return(0); |
|
| if (ARGS_PUNCT == c) |
|
| break; |
break; |
| if (ARGS_EOLN == c) |
|
| break; |
|
| |
|
| if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
ntok = ac == ARGS_QWORD ? MDOC_MAX : |
| return(0); |
lookup(mdoc, tok, line, lastarg, p); |
| else if (MDOC_MAX != c) { |
|
| if ( ! flushed) { |
|
| if ( ! rew_expblock(mdoc, tok, |
|
| line, ppos)) |
|
| return(0); |
|
| flushed = 1; |
|
| } |
|
| if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
|
| return(0); |
|
| break; |
|
| } |
|
| |
|
| if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
if (ntok == MDOC_MAX) { |
| return(0); |
dword(mdoc, line, lastarg, p, DELIM_MAX, |
| mdoc->next = MDOC_NEXT_SIBLING; |
MDOC_JOIN & mdoc_macros[tok].flags); |
| |
continue; |
| |
} |
| |
|
| |
if ( ! flushed) { |
| |
if (endbody == NULL) |
| |
rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos); |
| |
else |
| |
rew_last(mdoc, endbody); |
| |
flushed = 1; |
| |
} |
| |
mdoc->flags &= ~MDOC_NEWLINE; |
| |
mdoc_macro(mdoc, ntok, line, lastarg, pos, buf); |
| |
break; |
| } |
} |
| |
|
| if ( ! flushed && ! rew_expblock(mdoc, tok, line, ppos)) |
if ( ! flushed) { |
| return(0); |
if (endbody == NULL) |
| |
rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos); |
| if (ppos > 1) |
else |
| return(1); |
rew_last(mdoc, endbody); |
| return(append_delims(mdoc, line, pos, buf)); |
} |
| |
if (nl) |
| |
append_delims(mdoc, line, pos, buf); |
| } |
} |
| |
|
| |
static void |
| /* |
|
| * In-line macros where reserved words cause scope close-reopen. |
|
| */ |
|
| static int |
|
| in_line(MACRO_PROT_ARGS) |
in_line(MACRO_PROT_ARGS) |
| { |
{ |
| int la, lastpunct, c, w, cnt, d, call; |
int la, scope, cnt, firstarg, mayopen, nc, nl; |
| struct mdoc_arg *arg; |
enum mdoct ntok; |
| char *p; |
enum margserr ac; |
| |
enum mdelim d; |
| |
struct mdoc_arg *arg; |
| |
char *p; |
| |
|
| for (la = ppos, arg = NULL;; ) { |
nl = MDOC_NEWLINE & mdoc->flags; |
| la = *pos; |
|
| c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
| |
|
| if (ARGV_WORD == c) { |
/* |
| *pos = la; |
* Whether we allow ignored elements (those without content, |
| break; |
* usually because of reserved words) to squeak by. |
| } |
*/ |
| if (ARGV_EOLN == c) |
|
| break; |
|
| if (ARGV_ARG == c) |
|
| continue; |
|
| |
|
| mdoc_argv_free(arg); |
switch (tok) { |
| return(0); |
case MDOC_An: |
| |
/* FALLTHROUGH */ |
| |
case MDOC_Ar: |
| |
/* FALLTHROUGH */ |
| |
case MDOC_Fl: |
| |
/* FALLTHROUGH */ |
| |
case MDOC_Mt: |
| |
/* FALLTHROUGH */ |
| |
case MDOC_Nm: |
| |
/* FALLTHROUGH */ |
| |
case MDOC_Pa: |
| |
nc = 1; |
| |
break; |
| |
default: |
| |
nc = 0; |
| |
break; |
| } |
} |
| |
|
| for (call = cnt = 0, lastpunct = 1;; ) { |
mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
| |
|
| |
d = DELIM_NONE; |
| |
firstarg = 1; |
| |
mayopen = 1; |
| |
for (cnt = scope = 0;; ) { |
| la = *pos; |
la = *pos; |
| w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
| |
|
| if (ARGS_ERROR == w) |
/* |
| return(0); |
* At the end of a macro line, |
| if (ARGS_EOLN == w) |
* opening delimiters do not suppress spacing. |
| |
*/ |
| |
|
| |
if (ac == ARGS_EOLN) { |
| |
if (d == DELIM_OPEN) |
| |
mdoc->last->flags &= ~MDOC_DELIMO; |
| break; |
break; |
| if (ARGS_PUNCT == w) |
} |
| break; |
|
| |
|
| /* Quoted words shouldn't be looked-up. */ |
/* |
| |
* The rest of the macro line is only punctuation, |
| |
* to be handled by append_delims(). |
| |
* If there were no other arguments, |
| |
* do not allow the first one to suppress spacing, |
| |
* even if it turns out to be a closing one. |
| |
*/ |
| |
|
| c = ARGS_QWORD == w ? MDOC_MAX : |
if (ac == ARGS_PUNCT) { |
| lookup(mdoc, line, la, tok, p); |
if (cnt == 0 && nc == 0) |
| |
mdoc->flags |= MDOC_NODELIMC; |
| |
break; |
| |
} |
| |
|
| /* MDOC_MAX (not a macro) or -1 (error). */ |
ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ? |
| |
MDOC_MAX : lookup(mdoc, tok, line, la, p); |
| |
|
| if (MDOC_MAX != c && -1 != c) { |
/* |
| if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
* In this case, we've located a submacro and must |
| return(0); |
* execute it. Close out scope, if open. If no |
| if (0 == cnt) { |
* elements have been generated, either create one (nc) |
| if ( ! mdoc_elem_alloc(mdoc, line, ppos, |
* or raise a warning. |
| tok, arg)) |
*/ |
| return(0); |
|
| if ( ! rew_elem(mdoc, tok)) |
if (ntok != MDOC_MAX) { |
| return(0); |
if (scope) |
| mdoc->next = MDOC_NEXT_SIBLING; |
rew_elem(mdoc, tok); |
| |
if (nc && ! cnt) { |
| |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
| |
rew_last(mdoc, mdoc->last); |
| |
} else if ( ! nc && ! cnt) { |
| |
mdoc_argv_free(arg); |
| |
mandoc_msg(MANDOCERR_MACRO_EMPTY, |
| |
mdoc->parse, line, ppos, |
| |
mdoc_macronames[tok]); |
| } |
} |
| c = mdoc_macro(mdoc, c, line, la, pos, buf); |
mdoc_macro(mdoc, ntok, line, la, pos, buf); |
| if (0 == c) |
if (nl) |
| return(0); |
append_delims(mdoc, line, pos, buf); |
| if (ppos > 1) |
return; |
| return(1); |
} |
| return(append_delims(mdoc, line, pos, buf)); |
|
| } else if (-1 == c) |
|
| return(0); |
|
| |
|
| /* Non-quote-enclosed punctuation. */ |
/* |
| |
* Non-quote-enclosed punctuation. Set up our scope, if |
| |
* a word; rewind the scope, if a delimiter; then append |
| |
* the word. |
| |
*/ |
| |
|
| d = mdoc_isdelim(p); |
d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p); |
| |
|
| if (ARGS_QWORD != w && d) { |
if (DELIM_NONE != d) { |
| if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
/* |
| return(0); |
* If we encounter closing punctuation, no word |
| lastpunct = 1; |
* has been emitted, no scope is open, and we're |
| } else if (lastpunct) { |
* allowed to have an empty element, then start |
| c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
* a new scope. |
| if (0 == c) |
*/ |
| return(0); |
if ((d == DELIM_CLOSE || |
| mdoc->next = MDOC_NEXT_CHILD; |
(d == DELIM_MIDDLE && tok == MDOC_Fl)) && |
| lastpunct = 0; |
!cnt && !scope && nc && mayopen) { |
| |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
| |
scope = 1; |
| |
cnt++; |
| |
if (tok == MDOC_Nm) |
| |
mayopen = 0; |
| |
} |
| |
/* |
| |
* Close out our scope, if one is open, before |
| |
* any punctuation. |
| |
*/ |
| |
if (scope) |
| |
rew_elem(mdoc, tok); |
| |
scope = 0; |
| |
if (tok == MDOC_Fn) |
| |
mayopen = 0; |
| |
} else if (mayopen && !scope) { |
| |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
| |
scope = 1; |
| |
cnt++; |
| } |
} |
| |
|
| if ( ! d) |
dword(mdoc, line, la, p, d, |
| cnt++; |
MDOC_JOIN & mdoc_macros[tok].flags); |
| if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
|
| return(0); |
/* |
| mdoc->next = MDOC_NEXT_SIBLING; |
* If the first argument is a closing delimiter, |
| |
* do not suppress spacing before it. |
| |
*/ |
| |
|
| |
if (firstarg && d == DELIM_CLOSE && !nc) |
| |
mdoc->last->flags &= ~MDOC_DELIMC; |
| |
firstarg = 0; |
| |
|
| |
/* |
| |
* `Fl' macros have their scope re-opened with each new |
| |
* word so that the `-' can be added to each one without |
| |
* having to parse out spaces. |
| |
*/ |
| |
if (scope && tok == MDOC_Fl) { |
| |
rew_elem(mdoc, tok); |
| |
scope = 0; |
| |
} |
| } |
} |
| |
|
| if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
if (scope) |
| return(0); |
rew_elem(mdoc, tok); |
| if (0 == cnt) { |
|
| c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
/* |
| if (0 == c) |
* If no elements have been collected and we're allowed to have |
| return(0); |
* empties (nc), open a scope and close it out. Otherwise, |
| if ( ! rew_elem(mdoc, tok)) |
* raise a warning. |
| return(0); |
*/ |
| |
|
| |
if ( ! cnt) { |
| |
if (nc) { |
| |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
| |
rew_last(mdoc, mdoc->last); |
| |
} else { |
| |
mdoc_argv_free(arg); |
| |
mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse, |
| |
line, ppos, mdoc_macronames[tok]); |
| |
} |
| } |
} |
| if (ppos > 1) |
if (nl) |
| return(1); |
append_delims(mdoc, line, pos, buf); |
| return(append_delims(mdoc, line, pos, buf)); |
|
| } |
} |
| |
|
| |
static void |
| /* |
|
| * Block full-explicit and full-implicit. |
|
| */ |
|
| static int |
|
| blk_full(MACRO_PROT_ARGS) |
blk_full(MACRO_PROT_ARGS) |
| { |
{ |
| int c, lastarg, reopen; |
int la, nl, parsed; |
| struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
| |
struct mdoc_node *head; /* save of head macro */ |
| |
struct mdoc_node *body; /* save of body macro */ |
| |
struct mdoc_node *n; |
| |
enum margserr ac, lac; |
| char *p; |
char *p; |
| |
|
| if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
nl = MDOC_NEWLINE & mdoc->flags; |
| if ( ! rew_subblock(MDOC_BODY, mdoc, |
|
| tok, line, ppos)) |
|
| return(0); |
|
| if ( ! rew_impblock(mdoc, tok, line, ppos)) |
|
| return(0); |
|
| } |
|
| |
|
| for (arg = NULL;; ) { |
/* Skip items outside lists. */ |
| lastarg = *pos; |
|
| c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
| |
|
| if (ARGV_WORD == c) { |
if (tok == MDOC_It) { |
| *pos = lastarg; |
for (n = mdoc->last; n; n = n->parent) |
| break; |
if (n->tok == MDOC_Bl && |
| } |
! (n->flags & MDOC_VALID)) |
| |
break; |
| |
if (n == NULL) { |
| |
mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse, |
| |
line, ppos, "It %s", buf + *pos); |
| |
mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL); |
| |
rew_elem(mdoc, MDOC_br); |
| |
return; |
| |
} |
| |
} |
| |
|
| if (ARGV_EOLN == c) |
/* Close out prior implicit scope. */ |
| break; |
|
| if (ARGV_ARG == c) |
|
| continue; |
|
| |
|
| mdoc_argv_free(arg); |
if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) { |
| return(0); |
rew_sub(MDOC_BODY, mdoc, tok, line, ppos); |
| |
rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos); |
| } |
} |
| |
|
| if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, arg)) |
/* |
| return(0); |
* This routine accommodates implicitly- and explicitly-scoped |
| mdoc->next = MDOC_NEXT_CHILD; |
* macro openings. Implicit ones first close out prior scope |
| |
* (seen above). Delay opening the head until necessary to |
| |
* allow leading punctuation to print. Special consideration |
| |
* for `It -column', which has phrase-part syntax instead of |
| |
* regular child nodes. |
| |
*/ |
| |
|
| if (0 == buf[*pos]) { |
mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
| if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
mdoc_block_alloc(mdoc, line, ppos, tok, arg); |
| return(0); |
head = body = NULL; |
| 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; |
|
| return(1); |
|
| } |
|
| |
|
| if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
/* |
| return(0); |
* Exception: Heads of `It' macros in `-diag' lists are not |
| mdoc->next = MDOC_NEXT_CHILD; |
* parsed, even though `It' macros in general are parsed. |
| |
*/ |
| |
|
| for (reopen = 0;; ) { |
parsed = tok != MDOC_It || |
| lastarg = *pos; |
mdoc->last->parent->tok != MDOC_Bl || |
| c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
mdoc->last->parent->norm->Bl.type != LIST_diag; |
| |
|
| if (ARGS_ERROR == c) |
/* |
| return(0); |
* The `Nd' macro has all arguments in its body: it's a hybrid |
| if (ARGS_EOLN == c) |
* of block partial-explicit and full-implicit. Stupid. |
| |
*/ |
| |
|
| |
if (tok == MDOC_Nd) { |
| |
head = mdoc_head_alloc(mdoc, line, ppos, tok); |
| |
rew_sub(MDOC_HEAD, mdoc, tok, line, ppos); |
| |
body = mdoc_body_alloc(mdoc, line, ppos, tok); |
| |
} |
| |
|
| |
if (tok == MDOC_Bk) |
| |
mdoc->flags |= MDOC_KEEP; |
| |
|
| |
ac = ARGS_PEND; |
| |
for (;;) { |
| |
la = *pos; |
| |
lac = ac; |
| |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
| |
if (ac == ARGS_PUNCT) |
| break; |
break; |
| if (ARGS_PHRASE == c) { |
if (ac == ARGS_EOLN) { |
| if (reopen && ! mdoc_head_alloc |
if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE) |
| (mdoc, line, ppos, tok)) |
break; |
| return(0); |
|
| mdoc->next = MDOC_NEXT_CHILD; |
|
| /* |
/* |
| * Phrases are self-contained macro phrases used |
* This is necessary: if the last token on a |
| * in the columnar output of a macro. They need |
* line is a `Ta' or tab, then we'll get |
| * special handling. |
* ARGS_EOLN, so we must be smart enough to |
| |
* reopen our scope if the last parse was a |
| |
* phrase or partial phrase. |
| */ |
*/ |
| if ( ! phrase(mdoc, line, lastarg, buf)) |
rew_sub(MDOC_BODY, mdoc, tok, line, ppos); |
| return(0); |
body = mdoc_body_alloc(mdoc, line, ppos, tok); |
| if ( ! rew_subblock(MDOC_HEAD, mdoc, |
break; |
| tok, line, ppos)) |
} |
| return(0); |
|
| |
|
| reopen = 1; |
/* |
| |
* Emit leading punctuation (i.e., punctuation before |
| |
* the MDOC_HEAD) for non-phrase types. |
| |
*/ |
| |
|
| |
if (head == NULL && |
| |
ac != ARGS_PEND && |
| |
ac != ARGS_PHRASE && |
| |
ac != ARGS_PPHRASE && |
| |
ac != ARGS_QWORD && |
| |
mdoc_isdelim(p) == DELIM_OPEN) { |
| |
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
| continue; |
continue; |
| } |
} |
| |
|
| if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
/* Open a head if one hasn't been opened. */ |
| return(0); |
|
| |
|
| if (MDOC_MAX == c) { |
if (head == NULL) |
| if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
head = mdoc_head_alloc(mdoc, line, ppos, tok); |
| return(0); |
|
| mdoc->next = MDOC_NEXT_SIBLING; |
if (ac == ARGS_PHRASE || |
| |
ac == ARGS_PEND || |
| |
ac == ARGS_PPHRASE) { |
| |
|
| |
/* |
| |
* If we haven't opened a body yet, rewind the |
| |
* head; if we have, rewind that instead. |
| |
*/ |
| |
|
| |
rew_sub(body ? MDOC_BODY : MDOC_HEAD, |
| |
mdoc, tok, line, ppos); |
| |
body = mdoc_body_alloc(mdoc, line, ppos, tok); |
| |
|
| |
/* |
| |
* Process phrases: set whether we're in a |
| |
* partial-phrase (this effects line handling) |
| |
* then call down into the phrase parser. |
| |
*/ |
| |
|
| |
if (ac == ARGS_PPHRASE) |
| |
mdoc->flags |= MDOC_PPHRASE; |
| |
if (ac == ARGS_PEND && lac == ARGS_PPHRASE) |
| |
mdoc->flags |= MDOC_PPHRASE; |
| |
parse_rest(mdoc, MDOC_MAX, line, &la, buf); |
| |
mdoc->flags &= ~MDOC_PPHRASE; |
| continue; |
continue; |
| } |
} |
| |
|
| if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed)) |
| return(0); |
break; |
| break; |
|
| } |
} |
| |
|
| if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
|
| return(0); |
|
| if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
| return(0); |
|
| |
|
| if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
if (head == NULL) |
| return(0); |
head = mdoc_head_alloc(mdoc, line, ppos, tok); |
| mdoc->next = MDOC_NEXT_CHILD; |
if (nl) |
| |
append_delims(mdoc, line, pos, buf); |
| |
if (body != NULL) |
| |
goto out; |
| |
|
| return(1); |
/* |
| } |
* If there is an open (i.e., unvalidated) sub-block requiring |
| |
* explicit close-out, postpone switching the current block from |
| |
* head to body until the rew_sub() call closing out that |
| |
* sub-block. |
| |
*/ |
| |
for (n = mdoc->last; n && n != head; n = n->parent) { |
| |
if (n->type == MDOC_BLOCK && |
| |
mdoc_macros[n->tok].flags & MDOC_EXPLICIT && |
| |
! (n->flags & MDOC_VALID)) { |
| |
n->pending = head; |
| |
return; |
| |
} |
| |
} |
| |
|
| |
/* Close out scopes to remain in a consistent state. */ |
| |
|
| /* |
rew_sub(MDOC_HEAD, mdoc, tok, line, ppos); |
| * Block partial-imnplicit scope. |
mdoc_body_alloc(mdoc, line, ppos, tok); |
| */ |
out: |
| static int |
if (mdoc->flags & MDOC_FREECOL) { |
| |
rew_sub(MDOC_BODY, mdoc, tok, line, ppos); |
| |
rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos); |
| |
mdoc->flags &= ~MDOC_FREECOL; |
| |
} |
| |
} |
| |
|
| |
static void |
| blk_part_imp(MACRO_PROT_ARGS) |
blk_part_imp(MACRO_PROT_ARGS) |
| { |
{ |
| int lastarg, c; |
int la, nl; |
| |
enum margserr ac; |
| char *p; |
char *p; |
| struct mdoc_node *blk, *body, *n; |
struct mdoc_node *blk; /* saved block context */ |
| |
struct mdoc_node *body; /* saved body context */ |
| |
struct mdoc_node *n; |
| |
|
| if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
nl = MDOC_NEWLINE & mdoc->flags; |
| return(0); |
|
| mdoc->next = MDOC_NEXT_CHILD; |
|
| blk = mdoc->last; |
|
| |
|
| if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
/* |
| return(0); |
* A macro that spans to the end of the line. This is generally |
| mdoc->next = MDOC_NEXT_SIBLING; |
* (but not necessarily) called as the first macro. The block |
| |
* has a head as the immediate child, which is always empty, |
| |
* followed by zero or more opening punctuation nodes, then the |
| |
* body (which may be empty, depending on the macro), then zero |
| |
* or more closing punctuation nodes. |
| |
*/ |
| |
|
| if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL); |
| return(0); |
mdoc_head_alloc(mdoc, line, ppos, tok); |
| mdoc->next = MDOC_NEXT_CHILD; |
rew_sub(MDOC_HEAD, mdoc, tok, line, ppos); |
| body = mdoc->last; |
|
| |
|
| /* XXX - no known argument macros. */ |
/* |
| |
* Open the body scope "on-demand", that is, after we've |
| |
* processed all our the leading delimiters (open parenthesis, |
| |
* etc.). |
| |
*/ |
| |
|
| for (lastarg = ppos;; ) { |
for (body = NULL; ; ) { |
| lastarg = *pos; |
la = *pos; |
| c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
| assert(ARGS_PHRASE != c); |
if (ac == ARGS_EOLN || ac == ARGS_PUNCT) |
| |
|
| if (ARGS_ERROR == c) |
|
| return(0); |
|
| if (ARGS_PUNCT == c) |
|
| break; |
break; |
| if (ARGS_EOLN == c) |
|
| break; |
|
| |
|
| if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
if (body == NULL && ac != ARGS_QWORD && |
| return(0); |
mdoc_isdelim(p) == DELIM_OPEN) { |
| else if (MDOC_MAX == c) { |
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
| if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
| return(0); |
|
| mdoc->next = MDOC_NEXT_SIBLING; |
|
| continue; |
continue; |
| } |
} |
| |
|
| if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
if (body == NULL) |
| return(0); |
body = mdoc_body_alloc(mdoc, line, ppos, tok); |
| break; |
|
| |
if (macro_or_word(mdoc, tok, line, la, pos, buf, 1)) |
| |
break; |
| } |
} |
| |
if (body == NULL) |
| |
body = mdoc_body_alloc(mdoc, line, ppos, tok); |
| |
|
| /* |
/* |
| * Since we know what our context is, we can rewind directly to |
* If there is an open sub-block requiring explicit close-out, |
| * it. This allows us to accomodate for our scope being |
* postpone closing out the current block |
| * violated by another token. |
* until the rew_sub() call closing out the sub-block. |
| */ |
*/ |
| |
|
| for (n = mdoc->last; n; n = n->parent) |
for (n = mdoc->last; n && n != body && n != blk->parent; |
| if (body == n) |
n = n->parent) { |
| break; |
if (n->type == MDOC_BLOCK && |
| |
mdoc_macros[n->tok].flags & MDOC_EXPLICIT && |
| |
! (n->flags & MDOC_VALID)) { |
| |
make_pending(n, tok, mdoc, line, ppos); |
| |
mdoc_endbody_alloc(mdoc, line, ppos, |
| |
tok, body, ENDBODY_NOSPACE); |
| |
return; |
| |
} |
| |
} |
| |
assert(n == body); |
| |
rew_sub(MDOC_BODY, mdoc, tok, line, ppos); |
| |
if (nl) |
| |
append_delims(mdoc, line, pos, buf); |
| |
rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos); |
| |
|
| if (NULL == n && ! pwarn(mdoc, body->line, body->pos, WIMPBRK)) |
/* Move trailing .Ns out of scope. */ |
| return(0); |
|
| |
|
| if (n && ! rew_last(mdoc, body)) |
for (n = body->child; n && n->next; n = n->next) |
| return(0); |
/* Do nothing. */ ; |
| |
if (n && n->tok == MDOC_Ns) |
| if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
mdoc_node_relink(mdoc, n); |
| return(0); |
|
| |
|
| if (n && ! rew_last(mdoc, blk)) |
|
| return(0); |
|
| |
|
| return(1); |
|
| } |
} |
| |
|
| |
static void |
| /* |
|
| * Block partial-explicit macros. |
|
| */ |
|
| static int |
|
| blk_part_exp(MACRO_PROT_ARGS) |
blk_part_exp(MACRO_PROT_ARGS) |
| { |
{ |
| int lastarg, flushed, j, c, maxargs; |
int la, nl; |
| |
enum margserr ac; |
| |
struct mdoc_node *head; /* keep track of head */ |
| |
struct mdoc_node *body; /* keep track of body */ |
| char *p; |
char *p; |
| |
|
| lastarg = ppos; |
nl = MDOC_NEWLINE & mdoc->flags; |
| flushed = 0; |
|
| |
|
| /* |
/* |
| * Number of arguments (head arguments). Only `Eo' has these, |
* The opening of an explicit macro having zero or more leading |
| |
* punctuation nodes; a head with optional single element (the |
| |
* case of `Eo'); and a body that may be empty. |
| */ |
*/ |
| |
|
| switch (tok) { |
mdoc_block_alloc(mdoc, line, ppos, tok, NULL); |
| case (MDOC_Eo): |
for (head = body = NULL; ; ) { |
| maxargs = 1; |
la = *pos; |
| break; |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
| default: |
if (ac == ARGS_PUNCT || ac == ARGS_EOLN) |
| maxargs = 0; |
break; |
| break; |
|
| } |
|
| |
|
| if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
/* Flush out leading punctuation. */ |
| return(0); |
|
| mdoc->next = MDOC_NEXT_CHILD; |
|
| |
|
| if (0 == maxargs) { |
if (head == NULL && ac != ARGS_QWORD && |
| if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
mdoc_isdelim(p) == DELIM_OPEN) { |
| return(0); |
assert(NULL == body); |
| if ( ! rew_subblock(MDOC_HEAD, mdoc, |
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
| tok, line, ppos)) |
continue; |
| return(0); |
} |
| if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
| return(0); |
|
| flushed = 1; |
|
| } else if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
| return(0); |
|
| |
|
| mdoc->next = MDOC_NEXT_CHILD; |
if (head == NULL) { |
| |
assert(body == NULL); |
| for (j = 0; ; j++) { |
head = mdoc_head_alloc(mdoc, line, ppos, tok); |
| lastarg = *pos; |
|
| if (j == maxargs && ! flushed) { |
|
| if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
| tok, line, ppos)) |
|
| return(0); |
|
| flushed = 1; |
|
| if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
| return(0); |
|
| mdoc->next = MDOC_NEXT_CHILD; |
|
| } |
} |
| |
|
| c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
/* |
| assert(ARGS_PHRASE != c); |
* `Eo' gobbles any data into the head, but most other |
| |
* macros just immediately close out and begin the body. |
| |
*/ |
| |
|
| if (ARGS_ERROR == c) |
if (body == NULL) { |
| return(0); |
assert(head); |
| if (ARGS_PUNCT == c) |
/* No check whether it's a macro! */ |
| break; |
if (tok == MDOC_Eo) |
| if (ARGS_EOLN == c) |
dword(mdoc, line, la, p, DELIM_MAX, 0); |
| break; |
rew_sub(MDOC_HEAD, mdoc, tok, line, ppos); |
| |
body = mdoc_body_alloc(mdoc, line, ppos, tok); |
| if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
if (tok == MDOC_Eo) |
| return(0); |
continue; |
| else if (MDOC_MAX != c) { |
|
| if ( ! flushed) { |
|
| if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
| tok, line, ppos)) |
|
| return(0); |
|
| flushed = 1; |
|
| if ( ! mdoc_body_alloc(mdoc, line, |
|
| ppos, tok)) |
|
| return(0); |
|
| mdoc->next = MDOC_NEXT_CHILD; |
|
| } |
|
| if ( ! mdoc_macro(mdoc, c, line, lastarg, |
|
| pos, buf)) |
|
| return(0); |
|
| break; |
|
| } |
} |
| |
assert(head != NULL && body != NULL); |
| |
|
| if ( ! flushed && mdoc_isdelim(p)) { |
if (macro_or_word(mdoc, tok, line, la, pos, buf, 1)) |
| if ( ! rew_subblock(MDOC_HEAD, mdoc, |
break; |
| tok, line, ppos)) |
|
| return(0); |
|
| flushed = 1; |
|
| if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
| return(0); |
|
| mdoc->next = MDOC_NEXT_CHILD; |
|
| } |
|
| |
|
| if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
| return(0); |
|
| mdoc->next = MDOC_NEXT_SIBLING; |
|
| } |
} |
| |
|
| if ( ! flushed) { |
/* Clean-up to leave in a consistent state. */ |
| 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; |
|
| } |
|
| |
|
| if (ppos > 1) |
if (head == NULL) |
| return(1); |
mdoc_head_alloc(mdoc, line, ppos, tok); |
| return(append_delims(mdoc, line, pos, buf)); |
|
| |
if (body == NULL) { |
| |
rew_sub(MDOC_HEAD, mdoc, tok, line, ppos); |
| |
mdoc_body_alloc(mdoc, line, ppos, tok); |
| |
} |
| |
if (nl) |
| |
append_delims(mdoc, line, pos, buf); |
| } |
} |
| |
|
| |
static void |
| /* |
|
| * In-line macros where reserved words signal closure of the macro. |
|
| * Macros also have a fixed number of arguments. |
|
| */ |
|
| static int |
|
| in_line_argn(MACRO_PROT_ARGS) |
in_line_argn(MACRO_PROT_ARGS) |
| { |
{ |
| int lastarg, flushed, j, c, maxargs; |
int la, flushed, j, maxargs, nl; |
| struct mdoc_arg *arg; |
enum margserr ac; |
| char *p; |
struct mdoc_arg *arg; |
| |
char *p; |
| |
enum mdoct ntok; |
| |
|
| |
nl = MDOC_NEWLINE & mdoc->flags; |
| /* |
|
| * Fixed maximum arguments per macro. Some of these have none |
/* |
| * and close as soon as the invocation is parsed. |
* A line macro that has a fixed number of arguments (maxargs). |
| |
* Only open the scope once the first non-leading-punctuation is |
| |
* found (unless MDOC_IGNDELIM is noted, like in `Pf'), then |
| |
* keep it open until the maximum number of arguments are |
| |
* exhausted. |
| */ |
*/ |
| |
|
| switch (tok) { |
switch (tok) { |
| case (MDOC_Ap): |
case MDOC_Ap: |
| /* FALLTHROUGH */ |
/* FALLTHROUGH */ |
| case (MDOC_No): |
case MDOC_Ns: |
| /* FALLTHROUGH */ |
/* FALLTHROUGH */ |
| case (MDOC_Ns): |
case MDOC_Ux: |
| /* FALLTHROUGH */ |
|
| case (MDOC_Ux): |
|
| maxargs = 0; |
maxargs = 0; |
| break; |
break; |
| |
case MDOC_Bx: |
| |
/* FALLTHROUGH */ |
| |
case MDOC_Es: |
| |
/* FALLTHROUGH */ |
| |
case MDOC_Xr: |
| |
maxargs = 2; |
| |
break; |
| default: |
default: |
| maxargs = 1; |
maxargs = 1; |
| break; |
break; |
| } |
} |
| |
|
| for (lastarg = ppos, arg = NULL;; ) { |
mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
| lastarg = *pos; |
|
| c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
|
| |
|
| if (ARGV_WORD == c) { |
for (flushed = j = 0; ; ) { |
| *pos = lastarg; |
la = *pos; |
| |
ac = mdoc_args(mdoc, line, pos, buf, tok, &p); |
| |
if (ac == ARGS_PUNCT || ac == ARGS_EOLN) |
| break; |
break; |
| } |
|
| |
|
| if (ARGV_EOLN == c) |
if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) && |
| break; |
ac != ARGS_QWORD && j == 0 && |
| if (ARGV_ARG == c) |
mdoc_isdelim(p) == DELIM_OPEN) { |
| |
dword(mdoc, line, la, p, DELIM_OPEN, 0); |
| continue; |
continue; |
| |
} else if (j == 0) |
| |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
| |
|
| mdoc_argv_free(arg); |
|
| return(0); |
|
| } |
|
| |
|
| if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
|
| return(0); |
|
| mdoc->next = MDOC_NEXT_CHILD; |
|
| |
|
| for (flushed = j = 0; ; j++) { |
|
| lastarg = *pos; |
|
| |
|
| if (j == maxargs && ! flushed) { |
if (j == maxargs && ! flushed) { |
| if ( ! rew_elem(mdoc, tok)) |
rew_elem(mdoc, tok); |
| return(0); |
|
| flushed = 1; |
flushed = 1; |
| } |
} |
| |
|
| c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
ntok = ac == ARGS_QWORD ? MDOC_MAX : |
| |
lookup(mdoc, tok, line, la, p); |
| |
|
| if (ARGS_ERROR == c) |
if (ntok != MDOC_MAX) { |
| return(0); |
if ( ! flushed) |
| if (ARGS_PUNCT == c) |
rew_elem(mdoc, tok); |
| break; |
|
| if (ARGS_EOLN == c) |
|
| break; |
|
| |
|
| if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
|
| return(0); |
|
| else if (MDOC_MAX != c) { |
|
| if ( ! flushed && ! rew_elem(mdoc, tok)) |
|
| return(0); |
|
| flushed = 1; |
flushed = 1; |
| if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
mdoc_macro(mdoc, ntok, line, la, pos, buf); |
| return(0); |
j++; |
| break; |
break; |
| } |
} |
| |
|
| if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) && |
| ! flushed && mdoc_isdelim(p)) { |
ac != ARGS_QWORD && ! flushed && |
| if ( ! rew_elem(mdoc, tok)) |
mdoc_isdelim(p) != DELIM_NONE) { |
| return(0); |
rew_elem(mdoc, tok); |
| flushed = 1; |
flushed = 1; |
| } |
} |
| |
|
| if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
dword(mdoc, line, la, p, DELIM_MAX, |
| return(0); |
MDOC_JOIN & mdoc_macros[tok].flags); |
| mdoc->next = MDOC_NEXT_SIBLING; |
j++; |
| } |
} |
| |
|
| if ( ! flushed && ! rew_elem(mdoc, tok)) |
if (j == 0) |
| return(0); |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
| |
if ( ! flushed) |
| if (ppos > 1) |
rew_elem(mdoc, tok); |
| return(1); |
if (nl) |
| return(append_delims(mdoc, line, pos, buf)); |
append_delims(mdoc, line, pos, buf); |
| } |
} |
| |
|
| |
static void |
| |
in_line_eoln(MACRO_PROT_ARGS) |
| |
{ |
| |
struct mdoc_arg *arg; |
| |
|
| |
if (tok == MDOC_Pp) |
| |
rew_sub(MDOC_BLOCK, mdoc, MDOC_Nm, line, ppos); |
| |
|
| |
mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
| |
mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
| |
if (parse_rest(mdoc, tok, line, pos, buf)) |
| |
return; |
| |
rew_elem(mdoc, tok); |
| |
} |
| |
|
| /* |
/* |
| * In-line macro that spans an entire line. May be callable, but has no |
* The simplest argument parser available: Parse the remaining |
| * subsequent parsed arguments. |
* words until the end of the phrase or line and return 0 |
| |
* or until the next macro, call that macro, and return 1. |
| */ |
*/ |
| static int |
static int |
| in_line_eoln(MACRO_PROT_ARGS) |
parse_rest(struct mdoc *mdoc, enum mdoct tok, int line, int *pos, char *buf) |
| { |
{ |
| int c, w, la; |
int la; |
| struct mdoc_arg *arg; |
|
| char *p; |
|
| |
|
| assert( ! (MDOC_PARSED & mdoc_macros[tok].flags)); |
|
| |
|
| arg = NULL; |
|
| |
|
| for (;;) { |
for (;;) { |
| la = *pos; |
la = *pos; |
| c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN) |
| |
|
| if (ARGV_WORD == c) { |
|
| *pos = la; |
|
| break; |
|
| } |
|
| if (ARGV_EOLN == c) |
|
| break; |
|
| if (ARGV_ARG == c) |
|
| continue; |
|
| |
|
| mdoc_argv_free(arg); |
|
| return(0); |
|
| } |
|
| |
|
| if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
|
| return(0); |
|
| |
|
| mdoc->next = MDOC_NEXT_CHILD; |
|
| |
|
| for (;;) { |
|
| la = *pos; |
|
| w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
| |
|
| if (ARGS_ERROR == w) |
|
| return(0); |
return(0); |
| if (ARGS_EOLN == w) |
if (macro_or_word(mdoc, tok, line, la, pos, buf, 1)) |
| break; |
return(1); |
| |
|
| c = ARGS_QWORD == w ? MDOC_MAX : |
|
| lookup(mdoc, line, la, tok, p); |
|
| |
|
| if (MDOC_MAX != c && -1 != c) { |
|
| if ( ! rew_elem(mdoc, tok)) |
|
| return(0); |
|
| return(mdoc_macro(mdoc, c, line, la, pos, buf)); |
|
| } else if (-1 == c) |
|
| return(0); |
|
| |
|
| if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
|
| return(0); |
|
| mdoc->next = MDOC_NEXT_SIBLING; |
|
| } |
} |
| |
|
| return(rew_elem(mdoc, tok)); |
|
| } |
} |
| |
|
| |
static void |
| /* ARGSUSED */ |
ctx_synopsis(MACRO_PROT_ARGS) |
| static int |
|
| obsolete(MACRO_PROT_ARGS) |
|
| { |
{ |
| |
|
| return(pwarn(mdoc, line, ppos, WOBS)); |
if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE)) |
| |
in_line(mdoc, tok, line, ppos, pos, buf); |
| |
else if (tok == MDOC_Nm) |
| |
blk_full(mdoc, tok, line, ppos, pos, buf); |
| |
else { |
| |
assert(tok == MDOC_Vt); |
| |
blk_part_imp(mdoc, tok, line, ppos, pos, buf); |
| |
} |
| } |
} |
| |
|
| |
/* |
| static int |
* Phrases occur within `Bl -column' entries, separated by `Ta' or tabs. |
| phrase(struct mdoc *mdoc, int line, int ppos, char *buf) |
* They're unusual because they're basically free-form text until a |
| |
* macro is encountered. |
| |
*/ |
| |
static void |
| |
phrase_ta(MACRO_PROT_ARGS) |
| { |
{ |
| int i, la, c, quoted; |
struct mdoc_node *n; |
| |
|
| /* |
/* Make sure we are in a column list or ignore this macro. */ |
| * Parse over words in a phrase. We have to handle this |
|
| * 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]; ) { |
n = mdoc->last; |
| assert(' ' != buf[i]); |
while (n != NULL && n->tok != MDOC_Bl) |
| la = i; |
n = n->parent; |
| quoted = 0; |
if (n == NULL || n->norm->Bl.type != LIST_column) { |
| |
mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse, |
| /* |
line, ppos, "Ta"); |
| * Read to next token. If quoted (check not escaped), |
return; |
| * scan ahead to next unescaped quote. If not quoted or |
|
| * escape-quoted, then scan ahead to next space. |
|
| */ |
|
| |
|
| if ((i && '\"' == buf[i] && '\\' != buf[i - 1]) || |
|
| (0 == i && '\"' == buf[i])) { |
|
| 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 (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(append_delims(mdoc, line, &i, buf)); |
|
| } |
|
| |
|
| /* A regular word or quoted string. */ |
|
| |
|
| if ( ! mdoc_word_alloc(mdoc, line, la, &buf[la])) |
|
| return(0); |
|
| mdoc->next = MDOC_NEXT_SIBLING; |
|
| } |
} |
| |
|
| return(1); |
/* Advance to the next column. */ |
| |
|
| |
rew_sub(MDOC_BODY, mdoc, MDOC_It, line, ppos); |
| |
mdoc_body_alloc(mdoc, line, ppos, MDOC_It); |
| |
parse_rest(mdoc, MDOC_MAX, line, pos, buf); |
| } |
} |
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