version 1.111, 2010/12/29 01:16:57 |
version 1.139, 2011/05/24 14:00:39 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#endif |
#endif |
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#include <assert.h> |
#include <assert.h> |
#include <errno.h> |
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#include <ctype.h> |
#include <ctype.h> |
#include <limits.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <stdio.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
#include "roff.h" |
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#include "libroff.h" |
#include "libroff.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#define RSTACK_MAX 128 |
#define RSTACK_MAX 128 |
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#define ROFF_CTL(c) \ |
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('.' == (c) || '\'' == (c)) |
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enum rofft { |
enum rofft { |
ROFF_ad, |
ROFF_ad, |
ROFF_am, |
ROFF_am, |
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ROFF_ie, |
ROFF_ie, |
ROFF_if, |
ROFF_if, |
ROFF_ig, |
ROFF_ig, |
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ROFF_it, |
ROFF_ne, |
ROFF_ne, |
ROFF_nh, |
ROFF_nh, |
ROFF_nr, |
ROFF_nr, |
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ROFF_ns, |
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ROFF_ps, |
ROFF_rm, |
ROFF_rm, |
ROFF_so, |
ROFF_so, |
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ROFF_ta, |
ROFF_tr, |
ROFF_tr, |
ROFF_TS, |
ROFF_TS, |
ROFF_TE, |
ROFF_TE, |
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ROFF_T_, |
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ROFF_EQ, |
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ROFF_EN, |
ROFF_cblock, |
ROFF_cblock, |
ROFF_ccond, /* FIXME: remove this. */ |
ROFF_ccond, /* FIXME: remove this. */ |
ROFF_USERDEF, |
ROFF_USERDEF, |
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}; |
}; |
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struct roff { |
struct roff { |
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struct mparse *parse; /* parse point */ |
struct roffnode *last; /* leaf of stack */ |
struct roffnode *last; /* leaf of stack */ |
mandocmsg msg; /* err/warn/fatal messages */ |
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void *data; /* privdata for messages */ |
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enum roffrule rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
enum roffrule rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
int rstackpos; /* position in rstack */ |
int rstackpos; /* position in rstack */ |
struct regset *regs; /* read/writable registers */ |
struct regset *regs; /* read/writable registers */ |
struct roffstr *first_string; /* user-defined strings & macros */ |
struct roffstr *first_string; /* user-defined strings & macros */ |
const char *current_string; /* value of last called user macro */ |
const char *current_string; /* value of last called user macro */ |
struct tbl *tbl; |
struct tbl_node *first_tbl; /* first table parsed */ |
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struct tbl_node *last_tbl; /* last table parsed */ |
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struct tbl_node *tbl; /* current table being parsed */ |
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struct eqn_node *last_eqn; /* last equation parsed */ |
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struct eqn_node *first_eqn; /* first equation parsed */ |
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struct eqn_node *eqn; /* current equation being parsed */ |
}; |
}; |
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struct roffnode { |
struct roffnode { |
Line 131 static enum rofferr roff_cond_sub(ROFF_ARGS); |
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Line 135 static enum rofferr roff_cond_sub(ROFF_ARGS); |
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static enum rofferr roff_ds(ROFF_ARGS); |
static enum rofferr roff_ds(ROFF_ARGS); |
static enum roffrule roff_evalcond(const char *, int *); |
static enum roffrule roff_evalcond(const char *, int *); |
static void roff_freestr(struct roff *); |
static void roff_freestr(struct roff *); |
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static char *roff_getname(struct roff *, char **, int, int); |
static const char *roff_getstrn(const struct roff *, |
static const char *roff_getstrn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
static enum rofferr roff_line_error(ROFF_ARGS); |
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static enum rofferr roff_nr(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
static int roff_res(struct roff *, |
static int roff_res(struct roff *, |
char **, size_t *, int); |
char **, size_t *, int); |
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static enum rofferr roff_rm(ROFF_ARGS); |
static void roff_setstr(struct roff *, |
static void roff_setstr(struct roff *, |
const char *, const char *, int); |
const char *, const char *, int); |
static enum rofferr roff_so(ROFF_ARGS); |
static enum rofferr roff_so(ROFF_ARGS); |
static enum rofferr roff_TE(ROFF_ARGS); |
static enum rofferr roff_TE(ROFF_ARGS); |
static enum rofferr roff_TS(ROFF_ARGS); |
static enum rofferr roff_TS(ROFF_ARGS); |
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static enum rofferr roff_EQ(ROFF_ARGS); |
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static enum rofferr roff_EN(ROFF_ARGS); |
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static enum rofferr roff_T_(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
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/* See roff_hash_find() */ |
/* See roff_hash_find() */ |
Line 167 static struct roffmac roffs[ROFF_MAX] = { |
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Line 175 static struct roffmac roffs[ROFF_MAX] = { |
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{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
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{ "it", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ne", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ne", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "nh", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "nh", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "nr", roff_nr, NULL, NULL, 0, NULL }, |
{ "nr", roff_nr, NULL, NULL, 0, NULL }, |
{ "rm", roff_line_error, NULL, NULL, 0, NULL }, |
{ "ns", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "ps", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "rm", roff_rm, NULL, NULL, 0, NULL }, |
{ "so", roff_so, NULL, NULL, 0, NULL }, |
{ "so", roff_so, NULL, NULL, 0, NULL }, |
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{ "ta", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "tr", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "tr", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "TS", roff_TS, NULL, NULL, 0, NULL }, |
{ "TS", roff_TS, NULL, NULL, 0, NULL }, |
{ "TE", roff_TE, NULL, NULL, 0, NULL }, |
{ "TE", roff_TE, NULL, NULL, 0, NULL }, |
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{ "T&", roff_T_, NULL, NULL, 0, NULL }, |
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{ "EQ", roff_EQ, NULL, NULL, 0, NULL }, |
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{ "EN", roff_EN, NULL, NULL, 0, NULL }, |
{ ".", roff_cblock, NULL, NULL, 0, NULL }, |
{ ".", roff_cblock, NULL, NULL, 0, NULL }, |
{ "\\}", roff_ccond, NULL, NULL, 0, NULL }, |
{ "\\}", roff_ccond, NULL, NULL, 0, NULL }, |
{ NULL, roff_userdef, NULL, NULL, 0, NULL }, |
{ NULL, roff_userdef, NULL, NULL, 0, NULL }, |
Line 188 static void roffnode_push(struct roff *, enum rofft, |
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Line 203 static void roffnode_push(struct roff *, enum rofft, |
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const char *, int, int); |
const char *, int, int); |
static void roffnode_pop(struct roff *); |
static void roffnode_pop(struct roff *); |
static enum rofft roff_parse(struct roff *, const char *, int *); |
static enum rofft roff_parse(struct roff *, const char *, int *); |
static int roff_parse_nat(const char *, unsigned int *); |
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/* See roff_hash_find() */ |
/* See roff_hash_find() */ |
#define ROFF_HASH(p) (p[0] - ASCII_LO) |
#define ROFF_HASH(p) (p[0] - ASCII_LO) |
Line 259 roffnode_pop(struct roff *r) |
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Line 273 roffnode_pop(struct roff *r) |
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assert(r->last); |
assert(r->last); |
p = r->last; |
p = r->last; |
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if (ROFF_el == p->tok) |
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if (r->rstackpos > -1) |
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r->rstackpos--; |
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r->last = r->last->parent; |
r->last = r->last->parent; |
free(p->name); |
free(p->name); |
free(p->end); |
free(p->end); |
Line 296 roffnode_push(struct roff *r, enum rofft tok, const ch |
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Line 306 roffnode_push(struct roff *r, enum rofft tok, const ch |
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static void |
static void |
roff_free1(struct roff *r) |
roff_free1(struct roff *r) |
{ |
{ |
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struct tbl_node *t; |
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struct eqn_node *e; |
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if (r->tbl) { |
while (NULL != (t = r->first_tbl)) { |
tbl_free(r->tbl); |
r->first_tbl = t->next; |
r->tbl = NULL; |
tbl_free(t); |
} |
} |
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r->first_tbl = r->last_tbl = r->tbl = NULL; |
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while (NULL != (e = r->first_eqn)) { |
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r->first_eqn = e->next; |
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eqn_free(e); |
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} |
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r->first_eqn = r->last_eqn = r->eqn = NULL; |
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while (r->last) |
while (r->last) |
roffnode_pop(r); |
roffnode_pop(r); |
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Line 327 roff_free(struct roff *r) |
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Line 348 roff_free(struct roff *r) |
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struct roff * |
struct roff * |
roff_alloc(struct regset *regs, void *data, const mandocmsg msg) |
roff_alloc(struct regset *regs, struct mparse *parse) |
{ |
{ |
struct roff *r; |
struct roff *r; |
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r = mandoc_calloc(1, sizeof(struct roff)); |
r = mandoc_calloc(1, sizeof(struct roff)); |
r->regs = regs; |
r->regs = regs; |
r->msg = msg; |
r->parse = parse; |
r->data = data; |
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r->rstackpos = -1; |
r->rstackpos = -1; |
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roff_hash_init(); |
roff_hash_init(); |
Line 445 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 465 roff_parseln(struct roff *r, int ln, char **bufp, |
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{ |
{ |
enum rofft t; |
enum rofft t; |
enum rofferr e; |
enum rofferr e; |
int ppos; |
int ppos, ctl; |
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/* |
/* |
* Run the reserved-word filter only if we have some reserved |
* Run the reserved-word filter only if we have some reserved |
Line 455 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 475 roff_parseln(struct roff *r, int ln, char **bufp, |
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if (r->first_string && ! roff_res(r, bufp, szp, pos)) |
if (r->first_string && ! roff_res(r, bufp, szp, pos)) |
return(ROFF_REPARSE); |
return(ROFF_REPARSE); |
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ppos = pos; |
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ctl = mandoc_getcontrol(*bufp, &pos); |
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/* |
/* |
* First, if a scope is open and we're not a macro, pass the |
* First, if a scope is open and we're not a macro, pass the |
* text through the macro's filter. If a scope isn't open and |
* text through the macro's filter. If a scope isn't open and |
* we're not a macro, just let it through. |
* we're not a macro, just let it through. |
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* Finally, if there's an equation scope open, divert it into it |
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* no matter our state. |
*/ |
*/ |
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if (r->last && ! ROFF_CTL((*bufp)[pos])) { |
if (r->last && ! ctl) { |
t = r->last->tok; |
t = r->last->tok; |
assert(roffs[t].text); |
assert(roffs[t].text); |
e = (*roffs[t].text) |
e = (*roffs[t].text) |
(r, t, bufp, szp, ln, pos, pos, offs); |
(r, t, bufp, szp, ln, pos, pos, offs); |
assert(ROFF_IGN == e || ROFF_CONT == e); |
assert(ROFF_IGN == e || ROFF_CONT == e); |
if (ROFF_CONT == e && r->tbl) |
if (ROFF_CONT != e) |
return(tbl_read(r->tbl, ln, *bufp, *offs)); |
return(e); |
return(e); |
if (r->eqn) |
} else if ( ! ROFF_CTL((*bufp)[pos])) { |
return(eqn_read(&r->eqn, ln, *bufp, pos)); |
if (r->tbl) |
if (r->tbl) |
return(tbl_read(r->tbl, ln, *bufp, *offs)); |
return(tbl_read(r->tbl, ln, *bufp, pos)); |
return(ROFF_CONT); |
return(ROFF_CONT); |
} |
} else if ( ! ctl) { |
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if (r->eqn) |
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return(eqn_read(&r->eqn, ln, *bufp, pos)); |
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if (r->tbl) |
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return(tbl_read(r->tbl, ln, *bufp, pos)); |
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return(ROFF_CONT); |
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} else if (r->eqn) |
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return(eqn_read(&r->eqn, ln, *bufp, ppos)); |
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/* |
/* |
* If a scope is open, go to the child handler for that macro, |
* If a scope is open, go to the child handler for that macro, |
* as it may want to preprocess before doing anything with it. |
* as it may want to preprocess before doing anything with it. |
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* Don't do so if an equation is open. |
*/ |
*/ |
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if (r->last) { |
if (r->last) { |
Line 486 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 519 roff_parseln(struct roff *r, int ln, char **bufp, |
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assert(roffs[t].sub); |
assert(roffs[t].sub); |
return((*roffs[t].sub) |
return((*roffs[t].sub) |
(r, t, bufp, szp, |
(r, t, bufp, szp, |
ln, pos, pos, offs)); |
ln, ppos, pos, offs)); |
} |
} |
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/* |
/* |
Line 495 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 528 roff_parseln(struct roff *r, int ln, char **bufp, |
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* the compilers handle it. |
* the compilers handle it. |
*/ |
*/ |
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ppos = pos; |
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if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos))) |
if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos))) |
return(ROFF_CONT); |
return(ROFF_CONT); |
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Line 506 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 538 roff_parseln(struct roff *r, int ln, char **bufp, |
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} |
} |
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int |
void |
roff_endparse(struct roff *r) |
roff_endparse(struct roff *r) |
{ |
{ |
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/* FIXME: if r->tbl */ |
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if (r->last) |
if (r->last) |
(*r->msg)(MANDOCERR_SCOPEEXIT, r->data, |
mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
r->last->line, r->last->col, NULL); |
r->last->line, r->last->col, NULL); |
return(1); |
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} |
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if (r->eqn) { |
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mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
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r->eqn->eqn.line, r->eqn->eqn.pos, NULL); |
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eqn_end(r->eqn); |
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r->eqn = NULL; |
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} |
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if (r->tbl) { |
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mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, |
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r->tbl->line, r->tbl->pos, NULL); |
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tbl_end(r->tbl); |
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r->tbl = NULL; |
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} |
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} |
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/* |
/* |
* Parse a roff node's type from the input buffer. This must be in the |
* Parse a roff node's type from the input buffer. This must be in the |
* form of ".foo xxx" in the usual way. |
* form of ".foo xxx" in the usual way. |
Line 529 roff_parse(struct roff *r, const char *buf, int *pos) |
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Line 572 roff_parse(struct roff *r, const char *buf, int *pos) |
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size_t maclen; |
size_t maclen; |
enum rofft t; |
enum rofft t; |
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assert(ROFF_CTL(buf[*pos])); |
if ('\0' == buf[*pos] || '"' == buf[*pos]) |
(*pos)++; |
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while (' ' == buf[*pos] || '\t' == buf[*pos]) |
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(*pos)++; |
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if ('\0' == buf[*pos]) |
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return(ROFF_MAX); |
return(ROFF_MAX); |
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mac = buf + *pos; |
mac = buf + *pos; |
Line 544 roff_parse(struct roff *r, const char *buf, int *pos) |
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Line 581 roff_parse(struct roff *r, const char *buf, int *pos) |
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t = (r->current_string = roff_getstrn(r, mac, maclen)) |
t = (r->current_string = roff_getstrn(r, mac, maclen)) |
? ROFF_USERDEF : roff_hash_find(mac, maclen); |
? ROFF_USERDEF : roff_hash_find(mac, maclen); |
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*pos += maclen; |
*pos += (int)maclen; |
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while (buf[*pos] && ' ' == buf[*pos]) |
while (buf[*pos] && ' ' == buf[*pos]) |
(*pos)++; |
(*pos)++; |
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return(t); |
return(t); |
} |
} |
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static int |
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roff_parse_nat(const char *buf, unsigned int *res) |
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{ |
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char *ep; |
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long lval; |
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errno = 0; |
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lval = strtol(buf, &ep, 10); |
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if (buf[0] == '\0' || *ep != '\0') |
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return(0); |
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if ((errno == ERANGE && |
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(lval == LONG_MAX || lval == LONG_MIN)) || |
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(lval > INT_MAX || lval < 0)) |
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return(0); |
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*res = (unsigned int)lval; |
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return(1); |
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} |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
roff_cblock(ROFF_ARGS) |
roff_cblock(ROFF_ARGS) |
Line 583 roff_cblock(ROFF_ARGS) |
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Line 600 roff_cblock(ROFF_ARGS) |
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*/ |
*/ |
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if (NULL == r->last) { |
if (NULL == r->last) { |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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Line 602 roff_cblock(ROFF_ARGS) |
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Line 619 roff_cblock(ROFF_ARGS) |
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case (ROFF_ig): |
case (ROFF_ig): |
break; |
break; |
default: |
default: |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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if ((*bufp)[pos]) |
if ((*bufp)[pos]) |
(*r->msg)(MANDOCERR_ARGSLOST, r->data, ln, pos, NULL); |
mandoc_msg(MANDOCERR_ARGSLOST, r->parse, ln, pos, NULL); |
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roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
Line 634 roff_ccond(ROFF_ARGS) |
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Line 651 roff_ccond(ROFF_ARGS) |
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{ |
{ |
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if (NULL == r->last) { |
if (NULL == r->last) { |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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Line 646 roff_ccond(ROFF_ARGS) |
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Line 663 roff_ccond(ROFF_ARGS) |
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case (ROFF_if): |
case (ROFF_if): |
break; |
break; |
default: |
default: |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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if (r->last->endspan > -1) { |
if (r->last->endspan > -1) { |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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if ((*bufp)[pos]) |
if ((*bufp)[pos]) |
(*r->msg)(MANDOCERR_ARGSLOST, r->data, ln, pos, NULL); |
mandoc_msg(MANDOCERR_ARGSLOST, r->parse, ln, pos, NULL); |
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roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
Line 676 roff_block(ROFF_ARGS) |
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Line 693 roff_block(ROFF_ARGS) |
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if (ROFF_ig != tok) { |
if (ROFF_ig != tok) { |
if ('\0' == (*bufp)[pos]) { |
if ('\0' == (*bufp)[pos]) { |
(*r->msg)(MANDOCERR_NOARGS, r->data, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_NOARGS, r->parse, ln, ppos, NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 690 roff_block(ROFF_ARGS) |
|
Line 707 roff_block(ROFF_ARGS) |
|
if (ROFF_de == tok) |
if (ROFF_de == tok) |
name = *bufp + pos; |
name = *bufp + pos; |
else |
else |
(*r->msg)(MANDOCERR_REQUEST, r->data, ln, ppos, |
mandoc_msg(MANDOCERR_REQUEST, r->parse, ln, ppos, |
roffs[tok].name); |
roffs[tok].name); |
|
|
while ((*bufp)[pos] && ' ' != (*bufp)[pos]) |
while ((*bufp)[pos] && ! isspace((unsigned char)(*bufp)[pos])) |
pos++; |
pos++; |
|
|
while (' ' == (*bufp)[pos]) |
while (isspace((unsigned char)(*bufp)[pos])) |
(*bufp)[pos++] = '\0'; |
(*bufp)[pos++] = '\0'; |
} |
} |
|
|
Line 717 roff_block(ROFF_ARGS) |
|
Line 734 roff_block(ROFF_ARGS) |
|
/* If present, process the custom end-of-line marker. */ |
/* If present, process the custom end-of-line marker. */ |
|
|
sv = pos; |
sv = pos; |
while ((*bufp)[pos] && |
while ((*bufp)[pos] && ! isspace((unsigned char)(*bufp)[pos])) |
' ' != (*bufp)[pos] && |
|
'\t' != (*bufp)[pos]) |
|
pos++; |
pos++; |
|
|
/* |
/* |
Line 740 roff_block(ROFF_ARGS) |
|
Line 755 roff_block(ROFF_ARGS) |
|
r->last->end[(int)sz] = '\0'; |
r->last->end[(int)sz] = '\0'; |
|
|
if ((*bufp)[pos]) |
if ((*bufp)[pos]) |
(*r->msg)(MANDOCERR_ARGSLOST, r->data, ln, pos, NULL); |
mandoc_msg(MANDOCERR_ARGSLOST, r->parse, ln, pos, NULL); |
|
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
Line 763 roff_block_sub(ROFF_ARGS) |
|
Line 778 roff_block_sub(ROFF_ARGS) |
|
*/ |
*/ |
|
|
if (r->last->end) { |
if (r->last->end) { |
i = pos + 1; |
for (i = pos, j = 0; r->last->end[j]; j++, i++) |
while (' ' == (*bufp)[i] || '\t' == (*bufp)[i]) |
|
i++; |
|
|
|
for (j = 0; r->last->end[j]; j++, i++) |
|
if ((*bufp)[i] != r->last->end[j]) |
if ((*bufp)[i] != r->last->end[j]) |
break; |
break; |
|
|
Line 778 roff_block_sub(ROFF_ARGS) |
|
Line 789 roff_block_sub(ROFF_ARGS) |
|
roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
|
|
|
while (' ' == (*bufp)[i] || '\t' == (*bufp)[i]) |
|
i++; |
|
|
|
pos = i; |
if (ROFF_MAX != roff_parse(r, *bufp, &pos)) |
if (ROFF_MAX != roff_parse(r, *bufp, &pos)) |
return(ROFF_RERUN); |
return(ROFF_RERUN); |
return(ROFF_IGN); |
return(ROFF_IGN); |
Line 789 roff_block_sub(ROFF_ARGS) |
|
Line 804 roff_block_sub(ROFF_ARGS) |
|
* pulling it out of the hashtable. |
* pulling it out of the hashtable. |
*/ |
*/ |
|
|
ppos = pos; |
|
t = roff_parse(r, *bufp, &pos); |
t = roff_parse(r, *bufp, &pos); |
|
|
/* |
/* |
Line 826 roff_cond_sub(ROFF_ARGS) |
|
Line 840 roff_cond_sub(ROFF_ARGS) |
|
{ |
{ |
enum rofft t; |
enum rofft t; |
enum roffrule rr; |
enum roffrule rr; |
|
char *ep; |
|
|
ppos = pos; |
|
rr = r->last->rule; |
rr = r->last->rule; |
|
roffnode_cleanscope(r); |
|
|
/* |
/* |
* Clean out scope. If we've closed ourselves, then don't |
* If the macro is unknown, first check if it contains a closing |
* continue. |
* delimiter `\}'. If it does, close out our scope and return |
|
* the currently-scoped rule (ignore or continue). Else, drop |
|
* into the currently-scoped rule. |
*/ |
*/ |
|
|
roffnode_cleanscope(r); |
|
|
|
if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos))) { |
if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos))) { |
if ('\\' == (*bufp)[pos] && '}' == (*bufp)[pos + 1]) |
/* |
return(roff_ccond |
* Jump through hoops to detect a \}, because it could |
(r, ROFF_ccond, bufp, szp, |
* be (say) \\}, which is something completely |
ln, pos, pos + 2, offs)); |
* different. |
|
*/ |
|
ep = &(*bufp)[pos]; |
|
for ( ; NULL != (ep = strchr(ep, '\\')); ep++) { |
|
ep++; |
|
if ('}' != *ep) |
|
continue; |
|
*--ep = '\0'; |
|
roff_ccond(r, ROFF_ccond, bufp, szp, |
|
ln, pos, pos + 2, offs); |
|
break; |
|
} |
return(ROFFRULE_DENY == rr ? ROFF_IGN : ROFF_CONT); |
return(ROFFRULE_DENY == rr ? ROFF_IGN : ROFF_CONT); |
} |
} |
|
|
Line 850 roff_cond_sub(ROFF_ARGS) |
|
Line 876 roff_cond_sub(ROFF_ARGS) |
|
* if they're either structurally required (such as loops and |
* if they're either structurally required (such as loops and |
* conditionals) or a closing macro. |
* conditionals) or a closing macro. |
*/ |
*/ |
|
|
if (ROFFRULE_DENY == rr) |
if (ROFFRULE_DENY == rr) |
if ( ! (ROFFMAC_STRUCT & roffs[t].flags)) |
if ( ! (ROFFMAC_STRUCT & roffs[t].flags)) |
if (ROFF_ccond != t) |
if (ROFF_ccond != t) |
Line 920 static enum rofferr |
|
Line 947 static enum rofferr |
|
roff_line_ignore(ROFF_ARGS) |
roff_line_ignore(ROFF_ARGS) |
{ |
{ |
|
|
return(ROFF_IGN); |
if (ROFF_it == tok) |
} |
mandoc_msg(MANDOCERR_REQUEST, r->parse, ln, ppos, "it"); |
|
|
/* ARGSUSED */ |
|
static enum rofferr |
|
roff_line_error(ROFF_ARGS) |
|
{ |
|
|
|
(*r->msg)(MANDOCERR_REQUEST, r->data, ln, ppos, roffs[tok].name); |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 939 roff_cond(ROFF_ARGS) |
|
Line 960 roff_cond(ROFF_ARGS) |
|
int sv; |
int sv; |
enum roffrule rule; |
enum roffrule rule; |
|
|
/* Stack overflow! */ |
/* |
|
* An `.el' has no conditional body: it will consume the value |
|
* of the current rstack entry set in prior `ie' calls or |
|
* defaults to DENY. |
|
* |
|
* If we're not an `el', however, then evaluate the conditional. |
|
*/ |
|
|
if (ROFF_ie == tok && r->rstackpos == RSTACK_MAX - 1) { |
rule = ROFF_el == tok ? |
(*r->msg)(MANDOCERR_MEM, r->data, ln, ppos, NULL); |
(r->rstackpos < 0 ? |
return(ROFF_ERR); |
ROFFRULE_DENY : r->rstack[r->rstackpos--]) : |
} |
roff_evalcond(*bufp, &pos); |
|
|
/* First, evaluate the conditional. */ |
|
|
|
if (ROFF_el == tok) { |
|
/* |
|
* An `.el' will get the value of the current rstack |
|
* entry set in prior `ie' calls or defaults to DENY. |
|
*/ |
|
if (r->rstackpos < 0) |
|
rule = ROFFRULE_DENY; |
|
else |
|
rule = r->rstack[r->rstackpos]; |
|
} else |
|
rule = roff_evalcond(*bufp, &pos); |
|
|
|
sv = pos; |
sv = pos; |
|
|
while (' ' == (*bufp)[pos]) |
while (' ' == (*bufp)[pos]) |
pos++; |
pos++; |
|
|
Line 973 roff_cond(ROFF_ARGS) |
|
Line 985 roff_cond(ROFF_ARGS) |
|
*/ |
*/ |
|
|
if ('\0' == (*bufp)[pos] && sv != pos) { |
if ('\0' == (*bufp)[pos] && sv != pos) { |
(*r->msg)(MANDOCERR_NOARGS, r->data, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_NOARGS, r->parse, ln, ppos, NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 981 roff_cond(ROFF_ARGS) |
|
Line 993 roff_cond(ROFF_ARGS) |
|
|
|
r->last->rule = rule; |
r->last->rule = rule; |
|
|
|
/* |
|
* An if-else will put the NEGATION of the current evaluated |
|
* conditional into the stack of rules. |
|
*/ |
|
|
if (ROFF_ie == tok) { |
if (ROFF_ie == tok) { |
/* |
if (r->rstackpos == RSTACK_MAX - 1) { |
* An if-else will put the NEGATION of the current |
mandoc_msg(MANDOCERR_MEM, |
* evaluated conditional into the stack. |
r->parse, ln, ppos, NULL); |
*/ |
return(ROFF_ERR); |
r->rstackpos++; |
} |
if (ROFFRULE_DENY == r->last->rule) |
r->rstack[++r->rstackpos] = |
r->rstack[r->rstackpos] = ROFFRULE_ALLOW; |
ROFFRULE_DENY == r->last->rule ? |
else |
ROFFRULE_ALLOW : ROFFRULE_DENY; |
r->rstack[r->rstackpos] = ROFFRULE_DENY; |
|
} |
} |
|
|
/* If the parent has false as its rule, then so do we. */ |
/* If the parent has false as its rule, then so do we. */ |
Line 1042 roff_ds(ROFF_ARGS) |
|
Line 1058 roff_ds(ROFF_ARGS) |
|
* will have `bar " ' as its value. |
* will have `bar " ' as its value. |
*/ |
*/ |
|
|
name = *bufp + pos; |
string = *bufp + pos; |
|
name = roff_getname(r, &string, ln, pos); |
if ('\0' == *name) |
if ('\0' == *name) |
return(ROFF_IGN); |
return(ROFF_IGN); |
|
|
string = name; |
/* Read past initial double-quote. */ |
/* Read until end of name. */ |
if ('"' == *string) |
while (*string && ' ' != *string) |
|
string++; |
string++; |
|
|
/* Nil-terminate name. */ |
|
if (*string) |
|
*(string++) = '\0'; |
|
|
|
/* Read past spaces. */ |
|
while (*string && ' ' == *string) |
|
string++; |
|
|
|
/* Read passed initial double-quote. */ |
|
if (*string && '"' == *string) |
|
string++; |
|
|
|
/* The rest is the value. */ |
/* The rest is the value. */ |
roff_setstr(r, name, string, 0); |
roff_setstr(r, name, string, 0); |
return(ROFF_IGN); |
return(ROFF_IGN); |
Line 1073 roff_ds(ROFF_ARGS) |
|
Line 1077 roff_ds(ROFF_ARGS) |
|
static enum rofferr |
static enum rofferr |
roff_nr(ROFF_ARGS) |
roff_nr(ROFF_ARGS) |
{ |
{ |
const char *key, *val; |
const char *key; |
|
char *val; |
|
int iv; |
struct reg *rg; |
struct reg *rg; |
|
|
key = &(*bufp)[pos]; |
val = *bufp + pos; |
|
key = roff_getname(r, &val, ln, pos); |
rg = r->regs->regs; |
rg = r->regs->regs; |
|
|
/* Parse register request. */ |
|
while ((*bufp)[pos] && ' ' != (*bufp)[pos]) |
|
pos++; |
|
|
|
/* |
|
* Set our nil terminator. Because this line is going to be |
|
* ignored anyway, we can munge it as we please. |
|
*/ |
|
if ((*bufp)[pos]) |
|
(*bufp)[pos++] = '\0'; |
|
|
|
/* Skip whitespace to register token. */ |
|
while ((*bufp)[pos] && ' ' == (*bufp)[pos]) |
|
pos++; |
|
|
|
val = &(*bufp)[pos]; |
|
|
|
/* Process register token. */ |
|
|
|
if (0 == strcmp(key, "nS")) { |
if (0 == strcmp(key, "nS")) { |
rg[(int)REG_nS].set = 1; |
rg[(int)REG_nS].set = 1; |
if ( ! roff_parse_nat(val, &rg[(int)REG_nS].v.u)) |
if ((iv = mandoc_strntou(val, strlen(val), 10)) >= 0) |
rg[(int)REG_nS].v.u = 0; |
rg[REG_nS].v.u = (unsigned)iv; |
|
else |
|
rg[(int)REG_nS].v.u = 0u; |
} |
} |
|
|
return(ROFF_IGN); |
return(ROFF_IGN); |
Line 1109 roff_nr(ROFF_ARGS) |
|
Line 1099 roff_nr(ROFF_ARGS) |
|
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
|
roff_rm(ROFF_ARGS) |
|
{ |
|
const char *name; |
|
char *cp; |
|
|
|
cp = *bufp + pos; |
|
while ('\0' != *cp) { |
|
name = roff_getname(r, &cp, ln, (int)(cp - *bufp)); |
|
if ('\0' != *name) |
|
roff_setstr(r, name, NULL, 0); |
|
} |
|
return(ROFF_IGN); |
|
} |
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
roff_TE(ROFF_ARGS) |
roff_TE(ROFF_ARGS) |
{ |
{ |
|
|
if (NULL == r->tbl) |
if (NULL == r->tbl) |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
else |
else |
tbl_free(r->tbl); |
tbl_end(r->tbl); |
|
|
r->tbl = NULL; |
r->tbl = NULL; |
return(ROFF_IGN); |
return(ROFF_IGN); |
Line 1123 roff_TE(ROFF_ARGS) |
|
Line 1129 roff_TE(ROFF_ARGS) |
|
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
|
roff_T_(ROFF_ARGS) |
|
{ |
|
|
|
if (NULL == r->tbl) |
|
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
|
else |
|
tbl_restart(ppos, ln, r->tbl); |
|
|
|
return(ROFF_IGN); |
|
} |
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
|
roff_EQ(ROFF_ARGS) |
|
{ |
|
struct eqn_node *e; |
|
|
|
assert(NULL == r->eqn); |
|
e = eqn_alloc(ppos, ln); |
|
|
|
if (r->last_eqn) |
|
r->last_eqn->next = e; |
|
else |
|
r->first_eqn = r->last_eqn = e; |
|
|
|
r->eqn = r->last_eqn = e; |
|
return(ROFF_IGN); |
|
} |
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
|
roff_EN(ROFF_ARGS) |
|
{ |
|
|
|
mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL); |
|
return(ROFF_IGN); |
|
} |
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
roff_TS(ROFF_ARGS) |
roff_TS(ROFF_ARGS) |
{ |
{ |
|
struct tbl_node *t; |
|
|
if (r->tbl) { |
if (r->tbl) { |
(*r->msg)(MANDOCERR_SCOPEBROKEN, r->data, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_SCOPEBROKEN, r->parse, ln, ppos, NULL); |
tbl_reset(r->tbl); |
tbl_end(r->tbl); |
} else |
} |
r->tbl = tbl_alloc(r->data, r->msg); |
|
|
|
|
t = tbl_alloc(ppos, ln, r->parse); |
|
|
|
if (r->last_tbl) |
|
r->last_tbl->next = t; |
|
else |
|
r->first_tbl = r->last_tbl = t; |
|
|
|
r->tbl = r->last_tbl = t; |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 1141 roff_so(ROFF_ARGS) |
|
Line 1195 roff_so(ROFF_ARGS) |
|
{ |
{ |
char *name; |
char *name; |
|
|
(*r->msg)(MANDOCERR_SO, r->data, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_SO, r->parse, ln, ppos, NULL); |
|
|
/* |
/* |
* Handle `so'. Be EXTREMELY careful, as we shouldn't be |
* Handle `so'. Be EXTREMELY careful, as we shouldn't be |
Line 1152 roff_so(ROFF_ARGS) |
|
Line 1206 roff_so(ROFF_ARGS) |
|
|
|
name = *bufp + pos; |
name = *bufp + pos; |
if ('/' == *name || strstr(name, "../") || strstr(name, "/..")) { |
if ('/' == *name || strstr(name, "../") || strstr(name, "/..")) { |
(*r->msg)(MANDOCERR_SOPATH, r->data, ln, pos, NULL); |
mandoc_msg(MANDOCERR_SOPATH, r->parse, ln, pos, NULL); |
return(ROFF_ERR); |
return(ROFF_ERR); |
} |
} |
|
|
Line 1166 roff_userdef(ROFF_ARGS) |
|
Line 1220 roff_userdef(ROFF_ARGS) |
|
{ |
{ |
const char *arg[9]; |
const char *arg[9]; |
char *cp, *n1, *n2; |
char *cp, *n1, *n2; |
int i, quoted, pairs; |
int i; |
|
|
/* |
/* |
* Collect pointers to macro argument strings |
* Collect pointers to macro argument strings |
* and null-terminate them. |
* and null-terminate them. |
*/ |
*/ |
cp = *bufp + pos; |
cp = *bufp + pos; |
for (i = 0; i < 9; i++) { |
for (i = 0; i < 9; i++) |
/* Quoting can only start with a new word. */ |
arg[i] = '\0' == *cp ? "" : |
if ('"' == *cp) { |
mandoc_getarg(r->parse, &cp, ln, &pos); |
quoted = 1; |
|
cp++; |
|
} else |
|
quoted = 0; |
|
arg[i] = cp; |
|
for (pairs = 0; '\0' != *cp; cp++) { |
|
/* Unquoted arguments end at blanks. */ |
|
if (0 == quoted) { |
|
if (' ' == *cp) |
|
break; |
|
continue; |
|
} |
|
/* After pairs of quotes, move left. */ |
|
if (pairs) |
|
cp[-pairs] = cp[0]; |
|
/* Pairs of quotes do not end words, ... */ |
|
if ('"' == cp[0] && '"' == cp[1]) { |
|
pairs++; |
|
cp++; |
|
continue; |
|
} |
|
/* ... but solitary quotes do. */ |
|
if ('"' != *cp) |
|
continue; |
|
if (pairs) |
|
cp[-pairs] = '\0'; |
|
*cp = ' '; |
|
break; |
|
} |
|
/* Last argument; the remaining ones are empty strings. */ |
|
if ('\0' == *cp) |
|
continue; |
|
/* Null-terminate argument and move to the next one. */ |
|
*cp++ = '\0'; |
|
while (' ' == *cp) |
|
cp++; |
|
} |
|
|
|
/* |
/* |
* Expand macro arguments. |
* Expand macro arguments. |
Line 1252 roff_userdef(ROFF_ARGS) |
|
Line 1269 roff_userdef(ROFF_ARGS) |
|
ROFF_REPARSE : ROFF_APPEND); |
ROFF_REPARSE : ROFF_APPEND); |
} |
} |
|
|
|
static char * |
|
roff_getname(struct roff *r, char **cpp, int ln, int pos) |
|
{ |
|
char *name, *cp; |
|
|
|
name = *cpp; |
|
if ('\0' == *name) |
|
return(name); |
|
|
|
/* Read until end of name. */ |
|
for (cp = name; '\0' != *cp && ' ' != *cp; cp++) { |
|
if ('\\' != *cp) |
|
continue; |
|
cp++; |
|
if ('\\' == *cp) |
|
continue; |
|
mandoc_msg(MANDOCERR_NAMESC, r->parse, ln, pos, NULL); |
|
*cp = '\0'; |
|
name = cp; |
|
} |
|
|
|
/* Nil-terminate name. */ |
|
if ('\0' != *cp) |
|
*(cp++) = '\0'; |
|
|
|
/* Read past spaces. */ |
|
while (' ' == *cp) |
|
cp++; |
|
|
|
*cpp = cp; |
|
return(name); |
|
} |
|
|
/* |
/* |
* Store *string into the user-defined string called *name. |
* Store *string into the user-defined string called *name. |
* In multiline mode, append to an existing entry and append '\n'; |
* In multiline mode, append to an existing entry and append '\n'; |
Line 1291 roff_setstr(struct roff *r, const char *name, const ch |
|
Line 1341 roff_setstr(struct roff *r, const char *name, const ch |
|
* One additional byte for the '\n' in multiline mode, |
* One additional byte for the '\n' in multiline mode, |
* and one for the terminating '\0'. |
* and one for the terminating '\0'. |
*/ |
*/ |
newch = strlen(string) + (multiline ? 2 : 1); |
newch = strlen(string) + (multiline ? 2u : 1u); |
if (NULL == n->string) { |
if (NULL == n->string) { |
n->string = mandoc_malloc(newch); |
n->string = mandoc_malloc(newch); |
*n->string = '\0'; |
*n->string = '\0'; |
Line 1302 roff_setstr(struct roff *r, const char *name, const ch |
|
Line 1352 roff_setstr(struct roff *r, const char *name, const ch |
|
} |
} |
|
|
/* Skip existing content in the destination buffer. */ |
/* Skip existing content in the destination buffer. */ |
c = n->string + oldch; |
c = n->string + (int)oldch; |
|
|
/* Append new content to the destination buffer. */ |
/* Append new content to the destination buffer. */ |
while (*string) { |
while (*string) { |
Line 1321 roff_setstr(struct roff *r, const char *name, const ch |
|
Line 1371 roff_setstr(struct roff *r, const char *name, const ch |
|
*c = '\0'; |
*c = '\0'; |
} |
} |
|
|
|
|
static const char * |
static const char * |
roff_getstrn(const struct roff *r, const char *name, size_t len) |
roff_getstrn(const struct roff *r, const char *name, size_t len) |
{ |
{ |
Line 1334 roff_getstrn(const struct roff *r, const char *name, s |
|
Line 1383 roff_getstrn(const struct roff *r, const char *name, s |
|
return(n ? n->string : NULL); |
return(n ? n->string : NULL); |
} |
} |
|
|
|
|
static void |
static void |
roff_freestr(struct roff *r) |
roff_freestr(struct roff *r) |
{ |
{ |
Line 1348 roff_freestr(struct roff *r) |
|
Line 1396 roff_freestr(struct roff *r) |
|
} |
} |
|
|
r->first_string = NULL; |
r->first_string = NULL; |
|
} |
|
|
|
const struct tbl_span * |
|
roff_span(const struct roff *r) |
|
{ |
|
|
|
return(r->tbl ? tbl_span(r->tbl) : NULL); |
|
} |
|
|
|
const struct eqn * |
|
roff_eqn(const struct roff *r) |
|
{ |
|
|
|
return(r->last_eqn ? &r->last_eqn->eqn : NULL); |
} |
} |