version 1.224, 2014/08/01 17:27:44 |
version 1.322, 2017/07/13 15:13:18 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010-2015, 2017 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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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
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#include "config.h" |
#include "config.h" |
#endif |
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#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <limits.h> |
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#include <stddef.h> |
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#include <stdint.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
#include "libroff.h" |
#include "mandoc_ohash.h" |
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#include "roff.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#include "roff_int.h" |
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#include "libroff.h" |
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/* Maximum number of nested if-else conditionals. */ |
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#define RSTACK_MAX 128 |
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/* Maximum number of string expansions per line, to break infinite loops. */ |
/* Maximum number of string expansions per line, to break infinite loops. */ |
#define EXPAND_LIMIT 1000 |
#define EXPAND_LIMIT 1000 |
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enum rofft { |
/* Types of definitions of macros and strings. */ |
ROFF_ad, |
#define ROFFDEF_USER (1 << 1) /* User-defined. */ |
ROFF_am, |
#define ROFFDEF_PRE (1 << 2) /* Predefined. */ |
ROFF_ami, |
#define ROFFDEF_REN (1 << 3) /* Renamed standard macro. */ |
ROFF_am1, |
#define ROFFDEF_STD (1 << 4) /* mdoc(7) or man(7) macro. */ |
ROFF_as, |
#define ROFFDEF_ANY (ROFFDEF_USER | ROFFDEF_PRE | \ |
ROFF_cc, |
ROFFDEF_REN | ROFFDEF_STD) |
ROFF_ce, |
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ROFF_de, |
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ROFF_dei, |
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ROFF_de1, |
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ROFF_ds, |
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ROFF_el, |
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ROFF_fam, |
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ROFF_hw, |
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ROFF_hy, |
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ROFF_ie, |
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ROFF_if, |
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ROFF_ig, |
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ROFF_it, |
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ROFF_ne, |
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ROFF_nh, |
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ROFF_nr, |
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ROFF_ns, |
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ROFF_ps, |
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ROFF_rm, |
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ROFF_rr, |
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ROFF_so, |
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ROFF_ta, |
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ROFF_tr, |
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ROFF_Dd, |
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ROFF_TH, |
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ROFF_TS, |
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ROFF_TE, |
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ROFF_T_, |
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ROFF_EQ, |
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ROFF_EN, |
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ROFF_cblock, |
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ROFF_USERDEF, |
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ROFF_MAX |
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}; |
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/* --- data types --------------------------------------------------------- */ |
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/* |
/* |
* An incredibly-simple string buffer. |
* An incredibly-simple string buffer. |
*/ |
*/ |
Line 104 struct roffreg { |
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struct roffreg *next; |
struct roffreg *next; |
}; |
}; |
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/* |
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* Association of request and macro names with token IDs. |
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*/ |
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struct roffreq { |
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enum roff_tok tok; |
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char name[]; |
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}; |
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struct roff { |
struct roff { |
struct mparse *parse; /* parse point */ |
struct mparse *parse; /* parse point */ |
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struct roff_man *man; /* mdoc or man parser */ |
struct roffnode *last; /* leaf of stack */ |
struct roffnode *last; /* leaf of stack */ |
int *rstack; /* stack of inverted `ie' values */ |
int *rstack; /* stack of inverted `ie' values */ |
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struct ohash *reqtab; /* request lookup table */ |
struct roffreg *regtab; /* number registers */ |
struct roffreg *regtab; /* number registers */ |
struct roffkv *strtab; /* user-defined strings & macros */ |
struct roffkv *strtab; /* user-defined strings & macros */ |
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struct roffkv *rentab; /* renamed strings & macros */ |
struct roffkv *xmbtab; /* multi-byte trans table (`tr') */ |
struct roffkv *xmbtab; /* multi-byte trans table (`tr') */ |
struct roffstr *xtab; /* single-byte trans table (`tr') */ |
struct roffstr *xtab; /* single-byte trans table (`tr') */ |
const char *current_string; /* value of last called user macro */ |
const char *current_string; /* value of last called user macro */ |
struct tbl_node *first_tbl; /* first table parsed */ |
struct tbl_node *first_tbl; /* first table parsed */ |
struct tbl_node *last_tbl; /* last table parsed */ |
struct tbl_node *last_tbl; /* last table parsed */ |
struct tbl_node *tbl; /* current table being parsed */ |
struct tbl_node *tbl; /* current table being parsed */ |
struct eqn_node *last_eqn; /* last equation parsed */ |
struct eqn_node *last_eqn; /* equation parser */ |
struct eqn_node *first_eqn; /* first equation parsed */ |
struct eqn_node *eqn; /* active equation parser */ |
struct eqn_node *eqn; /* current equation being parsed */ |
int eqn_inline; /* current equation is inline */ |
int options; /* parse options */ |
int options; /* parse options */ |
int rstacksz; /* current size limit of rstack */ |
int rstacksz; /* current size limit of rstack */ |
int rstackpos; /* position in rstack */ |
int rstackpos; /* position in rstack */ |
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int format; /* current file in mdoc or man format */ |
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int argc; /* number of args of the last macro */ |
char control; /* control character */ |
char control; /* control character */ |
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char escape; /* escape character */ |
}; |
}; |
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struct roffnode { |
struct roffnode { |
enum rofft tok; /* type of node */ |
enum roff_tok tok; /* type of node */ |
struct roffnode *parent; /* up one in stack */ |
struct roffnode *parent; /* up one in stack */ |
int line; /* parse line */ |
int line; /* parse line */ |
int col; /* parse col */ |
int col; /* parse col */ |
Line 137 struct roffnode { |
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Line 122 struct roffnode { |
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}; |
}; |
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#define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
#define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
enum rofft tok, /* tok of macro */ \ |
enum roff_tok tok, /* tok of macro */ \ |
char **bufp, /* input buffer */ \ |
struct buf *buf, /* input buffer */ \ |
size_t *szp, /* size of input buffer */ \ |
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int ln, /* parse line */ \ |
int ln, /* parse line */ \ |
int ppos, /* original pos in buffer */ \ |
int ppos, /* original pos in buffer */ \ |
int pos, /* current pos in buffer */ \ |
int pos, /* current pos in buffer */ \ |
Line 148 struct roffnode { |
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Line 132 struct roffnode { |
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typedef enum rofferr (*roffproc)(ROFF_ARGS); |
typedef enum rofferr (*roffproc)(ROFF_ARGS); |
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struct roffmac { |
struct roffmac { |
const char *name; /* macro name */ |
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roffproc proc; /* process new macro */ |
roffproc proc; /* process new macro */ |
roffproc text; /* process as child text of macro */ |
roffproc text; /* process as child text of macro */ |
roffproc sub; /* process as child of macro */ |
roffproc sub; /* process as child of macro */ |
int flags; |
int flags; |
#define ROFFMAC_STRUCT (1 << 0) /* always interpret */ |
#define ROFFMAC_STRUCT (1 << 0) /* always interpret */ |
struct roffmac *next; |
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}; |
}; |
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struct predef { |
struct predef { |
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#define PREDEF(__name, __str) \ |
#define PREDEF(__name, __str) \ |
{ (__name), (__str) }, |
{ (__name), (__str) }, |
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static enum rofft roffhash_find(const char *, size_t); |
/* --- function prototypes ------------------------------------------------ */ |
static void roffhash_init(void); |
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static void roffnode_cleanscope(struct roff *); |
static void roffnode_cleanscope(struct roff *); |
static void roffnode_pop(struct roff *); |
static void roffnode_pop(struct roff *); |
static void roffnode_push(struct roff *, enum rofft, |
static void roffnode_push(struct roff *, enum roff_tok, |
const char *, int, int); |
const char *, int, int); |
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static void roff_addtbl(struct roff_man *, struct tbl_node *); |
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static enum rofferr roff_als(ROFF_ARGS); |
static enum rofferr roff_block(ROFF_ARGS); |
static enum rofferr roff_block(ROFF_ARGS); |
static enum rofferr roff_block_text(ROFF_ARGS); |
static enum rofferr roff_block_text(ROFF_ARGS); |
static enum rofferr roff_block_sub(ROFF_ARGS); |
static enum rofferr roff_block_sub(ROFF_ARGS); |
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static enum rofferr roff_br(ROFF_ARGS); |
static enum rofferr roff_cblock(ROFF_ARGS); |
static enum rofferr roff_cblock(ROFF_ARGS); |
static enum rofferr roff_cc(ROFF_ARGS); |
static enum rofferr roff_cc(ROFF_ARGS); |
static void roff_ccond(struct roff *, int, int); |
static void roff_ccond(struct roff *, int, int); |
Line 181 static enum rofferr roff_cond(ROFF_ARGS); |
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Line 166 static enum rofferr roff_cond(ROFF_ARGS); |
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static enum rofferr roff_cond_text(ROFF_ARGS); |
static enum rofferr roff_cond_text(ROFF_ARGS); |
static enum rofferr roff_cond_sub(ROFF_ARGS); |
static enum rofferr roff_cond_sub(ROFF_ARGS); |
static enum rofferr roff_ds(ROFF_ARGS); |
static enum rofferr roff_ds(ROFF_ARGS); |
static int roff_evalcond(const char *, int *); |
static enum rofferr roff_ec(ROFF_ARGS); |
static int roff_evalnum(const char *, int *, int *, int); |
static enum rofferr roff_eo(ROFF_ARGS); |
static int roff_evalpar(const char *, int *, int *); |
static enum rofferr roff_eqndelim(struct roff *, struct buf *, int); |
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static int roff_evalcond(struct roff *r, int, char *, int *); |
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static int roff_evalnum(struct roff *, int, |
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const char *, int *, int *, int); |
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static int roff_evalpar(struct roff *, int, |
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const char *, int *, int *, int); |
static int roff_evalstrcond(const char *, int *); |
static int roff_evalstrcond(const char *, int *); |
static void roff_free1(struct roff *); |
static void roff_free1(struct roff *); |
static void roff_freereg(struct roffreg *); |
static void roff_freereg(struct roffreg *); |
static void roff_freestr(struct roffkv *); |
static void roff_freestr(struct roffkv *); |
static size_t roff_getname(struct roff *, char **, int, int); |
static size_t roff_getname(struct roff *, char **, int, int); |
static int roff_getnum(const char *, int *, int *); |
static int roff_getnum(const char *, int *, int *, int); |
static int roff_getop(const char *, int *, char *); |
static int roff_getop(const char *, int *, char *); |
static int roff_getregn(const struct roff *, |
static int roff_getregn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
static int roff_getregro(const char *name); |
static int roff_getregro(const struct roff *, |
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const char *name); |
static const char *roff_getstrn(const struct roff *, |
static const char *roff_getstrn(const struct roff *, |
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const char *, size_t, int *); |
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static int roff_hasregn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
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static enum rofferr roff_insec(ROFF_ARGS); |
static enum rofferr roff_it(ROFF_ARGS); |
static enum rofferr roff_it(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
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static void roff_man_alloc1(struct roff_man *); |
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static void roff_man_free1(struct roff_man *); |
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static enum rofferr roff_manyarg(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
static void roff_openeqn(struct roff *, const char *, |
static enum rofferr roff_onearg(ROFF_ARGS); |
int, int, const char *); |
static enum roff_tok roff_parse(struct roff *, char *, int *, |
static enum rofft roff_parse(struct roff *, char *, int *, |
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int, int); |
int, int); |
static enum rofferr roff_parsetext(char **, size_t *, int, int *); |
static enum rofferr roff_parsetext(struct roff *, struct buf *, |
static enum rofferr roff_res(struct roff *, |
int, int *); |
char **, size_t *, int, int); |
static enum rofferr roff_renamed(ROFF_ARGS); |
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static enum rofferr roff_res(struct roff *, struct buf *, int, int); |
static enum rofferr roff_rm(ROFF_ARGS); |
static enum rofferr roff_rm(ROFF_ARGS); |
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static enum rofferr roff_rn(ROFF_ARGS); |
static enum rofferr roff_rr(ROFF_ARGS); |
static enum rofferr roff_rr(ROFF_ARGS); |
static void roff_setstr(struct roff *, |
static void roff_setstr(struct roff *, |
const char *, const char *, int); |
const char *, const char *, int); |
Line 215 static void roff_setstrn(struct roffkv **, const cha |
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Line 213 static void roff_setstrn(struct roffkv **, const cha |
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static enum rofferr roff_so(ROFF_ARGS); |
static enum rofferr roff_so(ROFF_ARGS); |
static enum rofferr roff_tr(ROFF_ARGS); |
static enum rofferr roff_tr(ROFF_ARGS); |
static enum rofferr roff_Dd(ROFF_ARGS); |
static enum rofferr roff_Dd(ROFF_ARGS); |
static enum rofferr roff_TH(ROFF_ARGS); |
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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); |
static enum rofferr roff_EQ(ROFF_ARGS); |
static enum rofferr roff_EQ(ROFF_ARGS); |
static enum rofferr roff_EN(ROFF_ARGS); |
static enum rofferr roff_EN(ROFF_ARGS); |
static enum rofferr roff_T_(ROFF_ARGS); |
static enum rofferr roff_T_(ROFF_ARGS); |
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static enum rofferr roff_unsupp(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
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/* See roffhash_find() */ |
/* --- constant data ------------------------------------------------------ */ |
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#define ASCII_HI 126 |
#define ROFFNUM_SCALE (1 << 0) /* Honour scaling in roff_getnum(). */ |
#define ASCII_LO 33 |
#define ROFFNUM_WHITE (1 << 1) /* Skip whitespace in roff_evalnum(). */ |
#define HASHWIDTH (ASCII_HI - ASCII_LO + 1) |
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static struct roffmac *hash[HASHWIDTH]; |
const char *__roff_name[MAN_MAX + 1] = { |
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"br", "ce", "ft", "ll", |
static struct roffmac roffs[ROFF_MAX] = { |
"mc", "po", "rj", "sp", |
{ "ad", roff_line_ignore, NULL, NULL, 0, NULL }, |
"ta", "ti", NULL, |
{ "am", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
"ab", "ad", "af", "aln", |
{ "ami", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
"als", "am", "am1", "ami", |
{ "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
"ami1", "as", "as1", "asciify", |
{ "as", roff_ds, NULL, NULL, 0, NULL }, |
"backtrace", "bd", "bleedat", "blm", |
{ "cc", roff_cc, NULL, NULL, 0, NULL }, |
"box", "boxa", "bp", "BP", |
{ "ce", roff_line_ignore, NULL, NULL, 0, NULL }, |
"break", "breakchar", "brnl", "brp", |
{ "de", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
"brpnl", "c2", "cc", |
{ "dei", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
"cf", "cflags", "ch", "char", |
{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
"chop", "class", "close", "CL", |
{ "ds", roff_ds, NULL, NULL, 0, NULL }, |
"color", "composite", "continue", "cp", |
{ "el", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
"cropat", "cs", "cu", "da", |
{ "fam", roff_line_ignore, NULL, NULL, 0, NULL }, |
"dch", "Dd", "de", "de1", |
{ "hw", roff_line_ignore, NULL, NULL, 0, NULL }, |
"defcolor", "dei", "dei1", "device", |
{ "hy", roff_line_ignore, NULL, NULL, 0, NULL }, |
"devicem", "di", "do", "ds", |
{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
"ds1", "dwh", "dt", "ec", |
{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
"ecr", "ecs", "el", "em", |
{ "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
"EN", "eo", "EP", "EQ", |
{ "it", roff_it, NULL, NULL, 0, NULL }, |
"errprint", "ev", "evc", "ex", |
{ "ne", roff_line_ignore, NULL, NULL, 0, NULL }, |
"fallback", "fam", "fc", "fchar", |
{ "nh", roff_line_ignore, NULL, NULL, 0, NULL }, |
"fcolor", "fdeferlig", "feature", "fkern", |
{ "nr", roff_nr, NULL, NULL, 0, NULL }, |
"fl", "flig", "fp", "fps", |
{ "ns", roff_line_ignore, NULL, NULL, 0, NULL }, |
"fschar", "fspacewidth", "fspecial", "ftr", |
{ "ps", roff_line_ignore, NULL, NULL, 0, NULL }, |
"fzoom", "gcolor", "hc", "hcode", |
{ "rm", roff_rm, NULL, NULL, 0, NULL }, |
"hidechar", "hla", "hlm", "hpf", |
{ "rr", roff_rr, NULL, NULL, 0, NULL }, |
"hpfa", "hpfcode", "hw", "hy", |
{ "so", roff_so, NULL, NULL, 0, NULL }, |
"hylang", "hylen", "hym", "hypp", |
{ "ta", roff_line_ignore, NULL, NULL, 0, NULL }, |
"hys", "ie", "if", "ig", |
{ "tr", roff_tr, NULL, NULL, 0, NULL }, |
"index", "it", "itc", "IX", |
{ "Dd", roff_Dd, NULL, NULL, 0, NULL }, |
"kern", "kernafter", "kernbefore", "kernpair", |
{ "TH", roff_TH, NULL, NULL, 0, NULL }, |
"lc", "lc_ctype", "lds", "length", |
{ "TS", roff_TS, NULL, NULL, 0, NULL }, |
"letadj", "lf", "lg", "lhang", |
{ "TE", roff_TE, NULL, NULL, 0, NULL }, |
"linetabs", "lnr", "lnrf", "lpfx", |
{ "T&", roff_T_, NULL, NULL, 0, NULL }, |
"ls", "lsm", "lt", |
{ "EQ", roff_EQ, NULL, NULL, 0, NULL }, |
"mediasize", "minss", "mk", "mso", |
{ "EN", roff_EN, NULL, NULL, 0, NULL }, |
"na", "ne", "nh", "nhychar", |
{ ".", roff_cblock, NULL, NULL, 0, NULL }, |
"nm", "nn", "nop", "nr", |
{ NULL, roff_userdef, NULL, NULL, 0, NULL }, |
"nrf", "nroff", "ns", "nx", |
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"open", "opena", "os", "output", |
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"padj", "papersize", "pc", "pev", |
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"pi", "PI", "pl", "pm", |
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"pn", "pnr", "ps", |
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"psbb", "pshape", "pso", "ptr", |
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"pvs", "rchar", "rd", "recursionlimit", |
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"return", "rfschar", "rhang", |
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"rm", "rn", "rnn", "rr", |
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"rs", "rt", "schar", "sentchar", |
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"shc", "shift", "sizes", "so", |
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"spacewidth", "special", "spreadwarn", "ss", |
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"sty", "substring", "sv", "sy", |
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"T&", "tc", "TE", |
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"TH", "tkf", "tl", |
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"tm", "tm1", "tmc", "tr", |
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"track", "transchar", "trf", "trimat", |
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"trin", "trnt", "troff", "TS", |
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"uf", "ul", "unformat", "unwatch", |
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"unwatchn", "vpt", "vs", "warn", |
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"warnscale", "watch", "watchlength", "watchn", |
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"wh", "while", "write", "writec", |
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"writem", "xflag", ".", NULL, |
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NULL, "text", |
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"Dd", "Dt", "Os", "Sh", |
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"Ss", "Pp", "D1", "Dl", |
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"Bd", "Ed", "Bl", "El", |
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"It", "Ad", "An", "Ap", |
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"Ar", "Cd", "Cm", "Dv", |
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"Er", "Ev", "Ex", "Fa", |
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"Fd", "Fl", "Fn", "Ft", |
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"Ic", "In", "Li", "Nd", |
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"Nm", "Op", "Ot", "Pa", |
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"Rv", "St", "Va", "Vt", |
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"Xr", "%A", "%B", "%D", |
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"%I", "%J", "%N", "%O", |
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"%P", "%R", "%T", "%V", |
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"Ac", "Ao", "Aq", "At", |
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"Bc", "Bf", "Bo", "Bq", |
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"Bsx", "Bx", "Db", "Dc", |
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"Do", "Dq", "Ec", "Ef", |
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"Em", "Eo", "Fx", "Ms", |
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"No", "Ns", "Nx", "Ox", |
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"Pc", "Pf", "Po", "Pq", |
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"Qc", "Ql", "Qo", "Qq", |
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"Re", "Rs", "Sc", "So", |
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"Sq", "Sm", "Sx", "Sy", |
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"Tn", "Ux", "Xc", "Xo", |
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"Fo", "Fc", "Oo", "Oc", |
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"Bk", "Ek", "Bt", "Hf", |
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"Fr", "Ud", "Lb", "Lp", |
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"Lk", "Mt", "Brq", "Bro", |
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"Brc", "%C", "Es", "En", |
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"Dx", "%Q", "%U", "Ta", |
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NULL, |
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"TH", "SH", "SS", "TP", |
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"LP", "PP", "P", "IP", |
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"HP", "SM", "SB", "BI", |
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"IB", "BR", "RB", "R", |
|
"B", "I", "IR", "RI", |
|
"nf", "fi", |
|
"RE", "RS", "DT", "UC", |
|
"PD", "AT", "in", |
|
"OP", "EX", "EE", "UR", |
|
"UE", "MT", "ME", NULL |
}; |
}; |
|
const char *const *roff_name = __roff_name; |
|
|
/* not currently implemented: Ds em Eq LP Me PP pp Or Rd Sf SH */ |
static struct roffmac roffs[TOKEN_NONE] = { |
const char *const __mdoc_reserved[] = { |
{ roff_br, NULL, NULL, 0 }, /* br */ |
"Ac", "Ad", "An", "Ao", "Ap", "Aq", "Ar", "At", |
{ roff_onearg, NULL, NULL, 0 }, /* ce */ |
"Bc", "Bd", "Bf", "Bk", "Bl", "Bo", "Bq", |
{ roff_onearg, NULL, NULL, 0 }, /* ft */ |
"Brc", "Bro", "Brq", "Bsx", "Bt", "Bx", |
{ roff_onearg, NULL, NULL, 0 }, /* ll */ |
"Cd", "Cm", "Db", "Dc", "Dd", "Dl", "Do", "Dq", |
{ roff_onearg, NULL, NULL, 0 }, /* mc */ |
"Dt", "Dv", "Dx", "D1", |
{ roff_onearg, NULL, NULL, 0 }, /* po */ |
"Ec", "Ed", "Ef", "Ek", "El", "Em", |
{ roff_onearg, NULL, NULL, 0 }, /* rj */ |
"En", "Eo", "Er", "Es", "Ev", "Ex", |
{ roff_onearg, NULL, NULL, 0 }, /* sp */ |
"Fa", "Fc", "Fd", "Fl", "Fn", "Fo", "Fr", "Ft", "Fx", |
{ roff_manyarg, NULL, NULL, 0 }, /* ta */ |
"Hf", "Ic", "In", "It", "Lb", "Li", "Lk", "Lp", |
{ roff_onearg, NULL, NULL, 0 }, /* ti */ |
"Ms", "Mt", "Nd", "Nm", "No", "Ns", "Nx", |
{ NULL, NULL, NULL, 0 }, /* ROFF_MAX */ |
"Oc", "Oo", "Op", "Os", "Ot", "Ox", |
{ roff_unsupp, NULL, NULL, 0 }, /* ab */ |
"Pa", "Pc", "Pf", "Po", "Pp", "Pq", |
{ roff_line_ignore, NULL, NULL, 0 }, /* ad */ |
"Qc", "Ql", "Qo", "Qq", "Re", "Rs", "Rv", |
{ roff_line_ignore, NULL, NULL, 0 }, /* af */ |
"Sc", "Sh", "Sm", "So", "Sq", |
{ roff_unsupp, NULL, NULL, 0 }, /* aln */ |
"Ss", "St", "Sx", "Sy", |
{ roff_als, NULL, NULL, 0 }, /* als */ |
"Ta", "Tn", "Ud", "Ux", "Va", "Vt", "Xc", "Xo", "Xr", |
{ roff_block, roff_block_text, roff_block_sub, 0 }, /* am */ |
"%A", "%B", "%C", "%D", "%I", "%J", "%N", "%O", |
{ roff_block, roff_block_text, roff_block_sub, 0 }, /* am1 */ |
"%P", "%Q", "%R", "%T", "%U", "%V", |
{ roff_block, roff_block_text, roff_block_sub, 0 }, /* ami */ |
NULL |
{ roff_block, roff_block_text, roff_block_sub, 0 }, /* ami1 */ |
|
{ roff_ds, NULL, NULL, 0 }, /* as */ |
|
{ roff_ds, NULL, NULL, 0 }, /* as1 */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* asciify */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* backtrace */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* bd */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* bleedat */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* blm */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* box */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* boxa */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* bp */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* BP */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* break */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* breakchar */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* brnl */ |
|
{ roff_br, NULL, NULL, 0 }, /* brp */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* brpnl */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* c2 */ |
|
{ roff_cc, NULL, NULL, 0 }, /* cc */ |
|
{ roff_insec, NULL, NULL, 0 }, /* cf */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* cflags */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* ch */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* char */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* chop */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* class */ |
|
{ roff_insec, NULL, NULL, 0 }, /* close */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* CL */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* color */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* composite */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* continue */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* cp */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* cropat */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* cs */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* cu */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* da */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* dch */ |
|
{ roff_Dd, NULL, NULL, 0 }, /* Dd */ |
|
{ roff_block, roff_block_text, roff_block_sub, 0 }, /* de */ |
|
{ roff_block, roff_block_text, roff_block_sub, 0 }, /* de1 */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* defcolor */ |
|
{ roff_block, roff_block_text, roff_block_sub, 0 }, /* dei */ |
|
{ roff_block, roff_block_text, roff_block_sub, 0 }, /* dei1 */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* device */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* devicem */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* di */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* do */ |
|
{ roff_ds, NULL, NULL, 0 }, /* ds */ |
|
{ roff_ds, NULL, NULL, 0 }, /* ds1 */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* dwh */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* dt */ |
|
{ roff_ec, NULL, NULL, 0 }, /* ec */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* ecr */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* ecs */ |
|
{ roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT }, /* el */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* em */ |
|
{ roff_EN, NULL, NULL, 0 }, /* EN */ |
|
{ roff_eo, NULL, NULL, 0 }, /* eo */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* EP */ |
|
{ roff_EQ, NULL, NULL, 0 }, /* EQ */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* errprint */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* ev */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* evc */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* ex */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* fallback */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* fam */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* fc */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* fchar */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* fcolor */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* fdeferlig */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* feature */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* fkern */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* fl */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* flig */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* fp */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* fps */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* fschar */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* fspacewidth */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* fspecial */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* ftr */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* fzoom */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* gcolor */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hc */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hcode */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hidechar */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hla */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hlm */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hpf */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hpfa */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hpfcode */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hw */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hy */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hylang */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hylen */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hym */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hypp */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* hys */ |
|
{ roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT }, /* ie */ |
|
{ roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT }, /* if */ |
|
{ roff_block, roff_block_text, roff_block_sub, 0 }, /* ig */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* index */ |
|
{ roff_it, NULL, NULL, 0 }, /* it */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* itc */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* IX */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* kern */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* kernafter */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* kernbefore */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* kernpair */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* lc */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* lc_ctype */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* lds */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* length */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* letadj */ |
|
{ roff_insec, NULL, NULL, 0 }, /* lf */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* lg */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* lhang */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* linetabs */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* lnr */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* lnrf */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* lpfx */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* ls */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* lsm */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* lt */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* mediasize */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* minss */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* mk */ |
|
{ roff_insec, NULL, NULL, 0 }, /* mso */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* na */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* ne */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* nh */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* nhychar */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* nm */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* nn */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* nop */ |
|
{ roff_nr, NULL, NULL, 0 }, /* nr */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* nrf */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* nroff */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* ns */ |
|
{ roff_insec, NULL, NULL, 0 }, /* nx */ |
|
{ roff_insec, NULL, NULL, 0 }, /* open */ |
|
{ roff_insec, NULL, NULL, 0 }, /* opena */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* os */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* output */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* padj */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* papersize */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* pc */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* pev */ |
|
{ roff_insec, NULL, NULL, 0 }, /* pi */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* PI */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* pl */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* pm */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* pn */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* pnr */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* ps */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* psbb */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* pshape */ |
|
{ roff_insec, NULL, NULL, 0 }, /* pso */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* ptr */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* pvs */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* rchar */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* rd */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* recursionlimit */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* return */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* rfschar */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* rhang */ |
|
{ roff_rm, NULL, NULL, 0 }, /* rm */ |
|
{ roff_rn, NULL, NULL, 0 }, /* rn */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* rnn */ |
|
{ roff_rr, NULL, NULL, 0 }, /* rr */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* rs */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* rt */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* schar */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* sentchar */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* shc */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* shift */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* sizes */ |
|
{ roff_so, NULL, NULL, 0 }, /* so */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* spacewidth */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* special */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* spreadwarn */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* ss */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* sty */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* substring */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* sv */ |
|
{ roff_insec, NULL, NULL, 0 }, /* sy */ |
|
{ roff_T_, NULL, NULL, 0 }, /* T& */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* tc */ |
|
{ roff_TE, NULL, NULL, 0 }, /* TE */ |
|
{ roff_Dd, NULL, NULL, 0 }, /* TH */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* tkf */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* tl */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* tm */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* tm1 */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* tmc */ |
|
{ roff_tr, NULL, NULL, 0 }, /* tr */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* track */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* transchar */ |
|
{ roff_insec, NULL, NULL, 0 }, /* trf */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* trimat */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* trin */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* trnt */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* troff */ |
|
{ roff_TS, NULL, NULL, 0 }, /* TS */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* uf */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* ul */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* unformat */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* unwatch */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* unwatchn */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* vpt */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* vs */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* warn */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* warnscale */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* watch */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* watchlength */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* watchn */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* wh */ |
|
{ roff_unsupp, NULL, NULL, 0 }, /* while */ |
|
{ roff_insec, NULL, NULL, 0 }, /* write */ |
|
{ roff_insec, NULL, NULL, 0 }, /* writec */ |
|
{ roff_insec, NULL, NULL, 0 }, /* writem */ |
|
{ roff_line_ignore, NULL, NULL, 0 }, /* xflag */ |
|
{ roff_cblock, NULL, NULL, 0 }, /* . */ |
|
{ roff_renamed, NULL, NULL, 0 }, |
|
{ roff_userdef, NULL, NULL, 0 } |
}; |
}; |
|
|
/* not currently implemented: BT DE DS ME MT PT SY TQ YS */ |
|
const char *const __man_reserved[] = { |
|
"AT", "B", "BI", "BR", "DT", |
|
"EE", "EN", "EQ", "EX", "HP", "I", "IB", "IP", "IR", |
|
"LP", "OP", "P", "PD", "PP", |
|
"R", "RB", "RE", "RI", "RS", "SB", "SH", "SM", "SS", |
|
"TE", "TH", "TP", "TS", "T&", "UC", "UE", "UR", |
|
NULL |
|
}; |
|
|
|
/* Array of injected predefined strings. */ |
/* Array of injected predefined strings. */ |
#define PREDEFS_MAX 38 |
#define PREDEFS_MAX 38 |
static const struct predef predefs[PREDEFS_MAX] = { |
static const struct predef predefs[PREDEFS_MAX] = { |
#include "predefs.in" |
#include "predefs.in" |
}; |
}; |
|
|
/* See roffhash_find() */ |
static int roffce_lines; /* number of input lines to center */ |
#define ROFF_HASH(p) (p[0] - ASCII_LO) |
static struct roff_node *roffce_node; /* active request */ |
|
|
static int roffit_lines; /* number of lines to delay */ |
static int roffit_lines; /* number of lines to delay */ |
static char *roffit_macro; /* nil-terminated macro line */ |
static char *roffit_macro; /* nil-terminated macro line */ |
|
|
|
|
static void |
/* --- request table ------------------------------------------------------ */ |
roffhash_init(void) |
|
|
struct ohash * |
|
roffhash_alloc(enum roff_tok mintok, enum roff_tok maxtok) |
{ |
{ |
struct roffmac *n; |
struct ohash *htab; |
int buc, i; |
struct roffreq *req; |
|
enum roff_tok tok; |
|
size_t sz; |
|
unsigned int slot; |
|
|
for (i = 0; i < (int)ROFF_USERDEF; i++) { |
htab = mandoc_malloc(sizeof(*htab)); |
assert(roffs[i].name[0] >= ASCII_LO); |
mandoc_ohash_init(htab, 8, offsetof(struct roffreq, name)); |
assert(roffs[i].name[0] <= ASCII_HI); |
|
|
|
buc = ROFF_HASH(roffs[i].name); |
for (tok = mintok; tok < maxtok; tok++) { |
|
if (roff_name[tok] == NULL) |
if (NULL != (n = hash[buc])) { |
continue; |
for ( ; n->next; n = n->next) |
sz = strlen(roff_name[tok]); |
/* Do nothing. */ ; |
req = mandoc_malloc(sizeof(*req) + sz + 1); |
n->next = &roffs[i]; |
req->tok = tok; |
} else |
memcpy(req->name, roff_name[tok], sz + 1); |
hash[buc] = &roffs[i]; |
slot = ohash_qlookup(htab, req->name); |
|
ohash_insert(htab, slot, req); |
} |
} |
|
return htab; |
} |
} |
|
|
/* |
void |
* Look up a roff token by its name. Returns ROFF_MAX if no macro by |
roffhash_free(struct ohash *htab) |
* the nil-terminated string name could be found. |
|
*/ |
|
static enum rofft |
|
roffhash_find(const char *p, size_t s) |
|
{ |
{ |
int buc; |
struct roffreq *req; |
struct roffmac *n; |
unsigned int slot; |
|
|
/* |
if (htab == NULL) |
* libroff has an extremely simple hashtable, for the time |
return; |
* being, which simply keys on the first character, which must |
for (req = ohash_first(htab, &slot); req != NULL; |
* be printable, then walks a chain. It works well enough until |
req = ohash_next(htab, &slot)) |
* optimised. |
free(req); |
*/ |
ohash_delete(htab); |
|
free(htab); |
|
} |
|
|
if (p[0] < ASCII_LO || p[0] > ASCII_HI) |
enum roff_tok |
return(ROFF_MAX); |
roffhash_find(struct ohash *htab, const char *name, size_t sz) |
|
{ |
|
struct roffreq *req; |
|
const char *end; |
|
|
buc = ROFF_HASH(p); |
if (sz) { |
|
end = name + sz; |
if (NULL == (n = hash[buc])) |
req = ohash_find(htab, ohash_qlookupi(htab, name, &end)); |
return(ROFF_MAX); |
} else |
for ( ; n; n = n->next) |
req = ohash_find(htab, ohash_qlookup(htab, name)); |
if (0 == strncmp(n->name, p, s) && '\0' == n->name[(int)s]) |
return req == NULL ? TOKEN_NONE : req->tok; |
return((enum rofft)(n - roffs)); |
|
|
|
return(ROFF_MAX); |
|
} |
} |
|
|
|
/* --- stack of request blocks -------------------------------------------- */ |
|
|
/* |
/* |
* Pop the current node off of the stack of roff instructions currently |
* Pop the current node off of the stack of roff instructions currently |
* pending. |
* pending. |
Line 393 roffnode_pop(struct roff *r) |
|
Line 672 roffnode_pop(struct roff *r) |
|
* removed with roffnode_pop(). |
* removed with roffnode_pop(). |
*/ |
*/ |
static void |
static void |
roffnode_push(struct roff *r, enum rofft tok, const char *name, |
roffnode_push(struct roff *r, enum roff_tok tok, const char *name, |
int line, int col) |
int line, int col) |
{ |
{ |
struct roffnode *p; |
struct roffnode *p; |
Line 410 roffnode_push(struct roff *r, enum rofft tok, const ch |
|
Line 689 roffnode_push(struct roff *r, enum rofft tok, const ch |
|
r->last = p; |
r->last = p; |
} |
} |
|
|
|
/* --- roff parser state data management ---------------------------------- */ |
|
|
static void |
static void |
roff_free1(struct roff *r) |
roff_free1(struct roff *r) |
{ |
{ |
struct tbl_node *tbl; |
struct tbl_node *tbl; |
struct eqn_node *e; |
|
int i; |
int i; |
|
|
while (NULL != (tbl = r->first_tbl)) { |
while (NULL != (tbl = r->first_tbl)) { |
Line 423 roff_free1(struct roff *r) |
|
Line 703 roff_free1(struct roff *r) |
|
} |
} |
r->first_tbl = r->last_tbl = r->tbl = NULL; |
r->first_tbl = r->last_tbl = r->tbl = NULL; |
|
|
while (NULL != (e = r->first_eqn)) { |
if (r->last_eqn != NULL) |
r->first_eqn = e->next; |
eqn_free(r->last_eqn); |
eqn_free(e); |
r->last_eqn = r->eqn = NULL; |
} |
|
r->first_eqn = r->last_eqn = r->eqn = NULL; |
|
|
|
while (r->last) |
while (r->last) |
roffnode_pop(r); |
roffnode_pop(r); |
Line 441 roff_free1(struct roff *r) |
|
Line 719 roff_free1(struct roff *r) |
|
r->regtab = NULL; |
r->regtab = NULL; |
|
|
roff_freestr(r->strtab); |
roff_freestr(r->strtab); |
|
roff_freestr(r->rentab); |
roff_freestr(r->xmbtab); |
roff_freestr(r->xmbtab); |
r->strtab = r->xmbtab = NULL; |
r->strtab = r->rentab = r->xmbtab = NULL; |
|
|
if (r->xtab) |
if (r->xtab) |
for (i = 0; i < 128; i++) |
for (i = 0; i < 128; i++) |
Line 454 roff_free1(struct roff *r) |
|
Line 733 roff_free1(struct roff *r) |
|
void |
void |
roff_reset(struct roff *r) |
roff_reset(struct roff *r) |
{ |
{ |
|
|
roff_free1(r); |
roff_free1(r); |
r->control = 0; |
r->format = r->options & (MPARSE_MDOC | MPARSE_MAN); |
|
r->control = '\0'; |
|
r->escape = '\\'; |
|
roffce_lines = 0; |
|
roffce_node = NULL; |
|
roffit_lines = 0; |
|
roffit_macro = NULL; |
} |
} |
|
|
void |
void |
roff_free(struct roff *r) |
roff_free(struct roff *r) |
{ |
{ |
|
|
roff_free1(r); |
roff_free1(r); |
|
roffhash_free(r->reqtab); |
free(r); |
free(r); |
} |
} |
|
|
Line 474 roff_alloc(struct mparse *parse, int options) |
|
Line 758 roff_alloc(struct mparse *parse, int options) |
|
|
|
r = mandoc_calloc(1, sizeof(struct roff)); |
r = mandoc_calloc(1, sizeof(struct roff)); |
r->parse = parse; |
r->parse = parse; |
|
r->reqtab = roffhash_alloc(0, ROFF_USERDEF); |
r->options = options; |
r->options = options; |
|
r->format = options & (MPARSE_MDOC | MPARSE_MAN); |
r->rstackpos = -1; |
r->rstackpos = -1; |
|
r->escape = '\\'; |
|
return r; |
|
} |
|
|
roffhash_init(); |
/* --- syntax tree state data management ---------------------------------- */ |
|
|
return(r); |
static void |
|
roff_man_free1(struct roff_man *man) |
|
{ |
|
|
|
if (man->first != NULL) |
|
roff_node_delete(man, man->first); |
|
free(man->meta.msec); |
|
free(man->meta.vol); |
|
free(man->meta.os); |
|
free(man->meta.arch); |
|
free(man->meta.title); |
|
free(man->meta.name); |
|
free(man->meta.date); |
} |
} |
|
|
|
static void |
|
roff_man_alloc1(struct roff_man *man) |
|
{ |
|
|
|
memset(&man->meta, 0, sizeof(man->meta)); |
|
man->first = mandoc_calloc(1, sizeof(*man->first)); |
|
man->first->type = ROFFT_ROOT; |
|
man->last = man->first; |
|
man->last_es = NULL; |
|
man->flags = 0; |
|
man->macroset = MACROSET_NONE; |
|
man->lastsec = man->lastnamed = SEC_NONE; |
|
man->next = ROFF_NEXT_CHILD; |
|
} |
|
|
|
void |
|
roff_man_reset(struct roff_man *man) |
|
{ |
|
|
|
roff_man_free1(man); |
|
roff_man_alloc1(man); |
|
} |
|
|
|
void |
|
roff_man_free(struct roff_man *man) |
|
{ |
|
|
|
roff_man_free1(man); |
|
free(man); |
|
} |
|
|
|
struct roff_man * |
|
roff_man_alloc(struct roff *roff, struct mparse *parse, |
|
const char *os_s, int quick) |
|
{ |
|
struct roff_man *man; |
|
|
|
man = mandoc_calloc(1, sizeof(*man)); |
|
man->parse = parse; |
|
man->roff = roff; |
|
man->os_s = os_s; |
|
man->quick = quick; |
|
roff_man_alloc1(man); |
|
roff->man = man; |
|
return man; |
|
} |
|
|
|
/* --- syntax tree handling ----------------------------------------------- */ |
|
|
|
struct roff_node * |
|
roff_node_alloc(struct roff_man *man, int line, int pos, |
|
enum roff_type type, int tok) |
|
{ |
|
struct roff_node *n; |
|
|
|
n = mandoc_calloc(1, sizeof(*n)); |
|
n->line = line; |
|
n->pos = pos; |
|
n->tok = tok; |
|
n->type = type; |
|
n->sec = man->lastsec; |
|
|
|
if (man->flags & MDOC_SYNOPSIS) |
|
n->flags |= NODE_SYNPRETTY; |
|
else |
|
n->flags &= ~NODE_SYNPRETTY; |
|
if (man->flags & MDOC_NEWLINE) |
|
n->flags |= NODE_LINE; |
|
man->flags &= ~MDOC_NEWLINE; |
|
|
|
return n; |
|
} |
|
|
|
void |
|
roff_node_append(struct roff_man *man, struct roff_node *n) |
|
{ |
|
|
|
switch (man->next) { |
|
case ROFF_NEXT_SIBLING: |
|
if (man->last->next != NULL) { |
|
n->next = man->last->next; |
|
man->last->next->prev = n; |
|
} else |
|
man->last->parent->last = n; |
|
man->last->next = n; |
|
n->prev = man->last; |
|
n->parent = man->last->parent; |
|
break; |
|
case ROFF_NEXT_CHILD: |
|
if (man->last->child != NULL) { |
|
n->next = man->last->child; |
|
man->last->child->prev = n; |
|
} else |
|
man->last->last = n; |
|
man->last->child = n; |
|
n->parent = man->last; |
|
break; |
|
default: |
|
abort(); |
|
} |
|
man->last = n; |
|
|
|
switch (n->type) { |
|
case ROFFT_HEAD: |
|
n->parent->head = n; |
|
break; |
|
case ROFFT_BODY: |
|
if (n->end != ENDBODY_NOT) |
|
return; |
|
n->parent->body = n; |
|
break; |
|
case ROFFT_TAIL: |
|
n->parent->tail = n; |
|
break; |
|
default: |
|
return; |
|
} |
|
|
|
/* |
|
* Copy over the normalised-data pointer of our parent. Not |
|
* everybody has one, but copying a null pointer is fine. |
|
*/ |
|
|
|
n->norm = n->parent->norm; |
|
assert(n->parent->type == ROFFT_BLOCK); |
|
} |
|
|
|
void |
|
roff_word_alloc(struct roff_man *man, int line, int pos, const char *word) |
|
{ |
|
struct roff_node *n; |
|
|
|
n = roff_node_alloc(man, line, pos, ROFFT_TEXT, TOKEN_NONE); |
|
n->string = roff_strdup(man->roff, word); |
|
roff_node_append(man, n); |
|
n->flags |= NODE_VALID | NODE_ENDED; |
|
man->next = ROFF_NEXT_SIBLING; |
|
} |
|
|
|
void |
|
roff_word_append(struct roff_man *man, const char *word) |
|
{ |
|
struct roff_node *n; |
|
char *addstr, *newstr; |
|
|
|
n = man->last; |
|
addstr = roff_strdup(man->roff, word); |
|
mandoc_asprintf(&newstr, "%s %s", n->string, addstr); |
|
free(addstr); |
|
free(n->string); |
|
n->string = newstr; |
|
man->next = ROFF_NEXT_SIBLING; |
|
} |
|
|
|
void |
|
roff_elem_alloc(struct roff_man *man, int line, int pos, int tok) |
|
{ |
|
struct roff_node *n; |
|
|
|
n = roff_node_alloc(man, line, pos, ROFFT_ELEM, tok); |
|
roff_node_append(man, n); |
|
man->next = ROFF_NEXT_CHILD; |
|
} |
|
|
|
struct roff_node * |
|
roff_block_alloc(struct roff_man *man, int line, int pos, int tok) |
|
{ |
|
struct roff_node *n; |
|
|
|
n = roff_node_alloc(man, line, pos, ROFFT_BLOCK, tok); |
|
roff_node_append(man, n); |
|
man->next = ROFF_NEXT_CHILD; |
|
return n; |
|
} |
|
|
|
struct roff_node * |
|
roff_head_alloc(struct roff_man *man, int line, int pos, int tok) |
|
{ |
|
struct roff_node *n; |
|
|
|
n = roff_node_alloc(man, line, pos, ROFFT_HEAD, tok); |
|
roff_node_append(man, n); |
|
man->next = ROFF_NEXT_CHILD; |
|
return n; |
|
} |
|
|
|
struct roff_node * |
|
roff_body_alloc(struct roff_man *man, int line, int pos, int tok) |
|
{ |
|
struct roff_node *n; |
|
|
|
n = roff_node_alloc(man, line, pos, ROFFT_BODY, tok); |
|
roff_node_append(man, n); |
|
man->next = ROFF_NEXT_CHILD; |
|
return n; |
|
} |
|
|
|
static void |
|
roff_addtbl(struct roff_man *man, struct tbl_node *tbl) |
|
{ |
|
struct roff_node *n; |
|
const struct tbl_span *span; |
|
|
|
if (man->macroset == MACROSET_MAN) |
|
man_breakscope(man, ROFF_TS); |
|
while ((span = tbl_span(tbl)) != NULL) { |
|
n = roff_node_alloc(man, tbl->line, 0, ROFFT_TBL, TOKEN_NONE); |
|
n->span = span; |
|
roff_node_append(man, n); |
|
n->flags |= NODE_VALID | NODE_ENDED; |
|
man->next = ROFF_NEXT_SIBLING; |
|
} |
|
} |
|
|
|
void |
|
roff_node_unlink(struct roff_man *man, struct roff_node *n) |
|
{ |
|
|
|
/* Adjust siblings. */ |
|
|
|
if (n->prev) |
|
n->prev->next = n->next; |
|
if (n->next) |
|
n->next->prev = n->prev; |
|
|
|
/* Adjust parent. */ |
|
|
|
if (n->parent != NULL) { |
|
if (n->parent->child == n) |
|
n->parent->child = n->next; |
|
if (n->parent->last == n) |
|
n->parent->last = n->prev; |
|
} |
|
|
|
/* Adjust parse point. */ |
|
|
|
if (man == NULL) |
|
return; |
|
if (man->last == n) { |
|
if (n->prev == NULL) { |
|
man->last = n->parent; |
|
man->next = ROFF_NEXT_CHILD; |
|
} else { |
|
man->last = n->prev; |
|
man->next = ROFF_NEXT_SIBLING; |
|
} |
|
} |
|
if (man->first == n) |
|
man->first = NULL; |
|
} |
|
|
|
void |
|
roff_node_free(struct roff_node *n) |
|
{ |
|
|
|
if (n->args != NULL) |
|
mdoc_argv_free(n->args); |
|
if (n->type == ROFFT_BLOCK || n->type == ROFFT_ELEM) |
|
free(n->norm); |
|
if (n->eqn != NULL) |
|
eqn_box_free(n->eqn); |
|
free(n->string); |
|
free(n); |
|
} |
|
|
|
void |
|
roff_node_delete(struct roff_man *man, struct roff_node *n) |
|
{ |
|
|
|
while (n->child != NULL) |
|
roff_node_delete(man, n->child); |
|
roff_node_unlink(man, n); |
|
roff_node_free(n); |
|
} |
|
|
|
void |
|
deroff(char **dest, const struct roff_node *n) |
|
{ |
|
char *cp; |
|
size_t sz; |
|
|
|
if (n->type != ROFFT_TEXT) { |
|
for (n = n->child; n != NULL; n = n->next) |
|
deroff(dest, n); |
|
return; |
|
} |
|
|
|
/* Skip leading whitespace. */ |
|
|
|
for (cp = n->string; *cp != '\0'; cp++) { |
|
if (cp[0] == '\\' && cp[1] != '\0' && |
|
strchr(" %&0^|~", cp[1]) != NULL) |
|
cp++; |
|
else if ( ! isspace((unsigned char)*cp)) |
|
break; |
|
} |
|
|
|
/* Skip trailing backslash. */ |
|
|
|
sz = strlen(cp); |
|
if (sz > 0 && cp[sz - 1] == '\\') |
|
sz--; |
|
|
|
/* Skip trailing whitespace. */ |
|
|
|
for (; sz; sz--) |
|
if ( ! isspace((unsigned char)cp[sz-1])) |
|
break; |
|
|
|
/* Skip empty strings. */ |
|
|
|
if (sz == 0) |
|
return; |
|
|
|
if (*dest == NULL) { |
|
*dest = mandoc_strndup(cp, sz); |
|
return; |
|
} |
|
|
|
mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp); |
|
free(*dest); |
|
*dest = cp; |
|
} |
|
|
|
/* --- main functions of the roff parser ---------------------------------- */ |
|
|
/* |
/* |
* In the current line, expand escape sequences that tend to get |
* In the current line, expand escape sequences that tend to get |
* used in numerical expressions and conditional requests. |
* used in numerical expressions and conditional requests. |
* Also check the syntax of the remaining escape sequences. |
* Also check the syntax of the remaining escape sequences. |
*/ |
*/ |
static enum rofferr |
static enum rofferr |
roff_res(struct roff *r, char **bufp, size_t *szp, int ln, int pos) |
roff_res(struct roff *r, struct buf *buf, int ln, int pos) |
{ |
{ |
char ubuf[24]; /* buffer to print the number */ |
char ubuf[24]; /* buffer to print the number */ |
const char *start; /* start of the string to process */ |
const char *start; /* start of the string to process */ |
Line 496 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
Line 1123 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
const char *stnam; /* start of the name, after "[(*" */ |
const char *stnam; /* start of the name, after "[(*" */ |
const char *cp; /* end of the name, e.g. before ']' */ |
const char *cp; /* end of the name, e.g. before ']' */ |
const char *res; /* the string to be substituted */ |
const char *res; /* the string to be substituted */ |
char *nbuf; /* new buffer to copy bufp to */ |
char *nbuf; /* new buffer to copy buf->buf to */ |
size_t maxl; /* expected length of the escape name */ |
size_t maxl; /* expected length of the escape name */ |
size_t naml; /* actual length of the escape name */ |
size_t naml; /* actual length of the escape name */ |
|
enum mandoc_esc esc; /* type of the escape sequence */ |
|
enum mandoc_os os_e; /* kind of RCS id seen */ |
|
int inaml; /* length returned from mandoc_escape() */ |
int expand_count; /* to avoid infinite loops */ |
int expand_count; /* to avoid infinite loops */ |
int npos; /* position in numeric expression */ |
int npos; /* position in numeric expression */ |
int arg_complete; /* argument not interrupted by eol */ |
int arg_complete; /* argument not interrupted by eol */ |
|
int done; /* no more input available */ |
|
int deftype; /* type of definition to paste */ |
char term; /* character terminating the escape */ |
char term; /* character terminating the escape */ |
|
|
|
/* Search forward for comments. */ |
|
|
|
done = 0; |
|
start = buf->buf + pos; |
|
for (stesc = buf->buf + pos; *stesc != '\0'; stesc++) { |
|
if (stesc[0] != r->escape || stesc[1] == '\0') |
|
continue; |
|
stesc++; |
|
if (*stesc != '"' && *stesc != '#') |
|
continue; |
|
|
|
/* Comment found, look for RCS id. */ |
|
|
|
if ((cp = strstr(stesc, "$" "OpenBSD")) != NULL) { |
|
os_e = MANDOC_OS_OPENBSD; |
|
cp += 8; |
|
} else if ((cp = strstr(stesc, "$" "NetBSD")) != NULL) { |
|
os_e = MANDOC_OS_NETBSD; |
|
cp += 7; |
|
} |
|
if (cp != NULL && |
|
isalnum((unsigned char)*cp) == 0 && |
|
strchr(cp, '$') != NULL) { |
|
if (r->man->meta.rcsids & (1 << os_e)) |
|
mandoc_msg(MANDOCERR_RCS_REP, r->parse, |
|
ln, stesc + 1 - buf->buf, stesc + 1); |
|
r->man->meta.rcsids |= 1 << os_e; |
|
} |
|
|
|
/* Handle trailing whitespace. */ |
|
|
|
cp = strchr(stesc--, '\0') - 1; |
|
if (*cp == '\n') { |
|
done = 1; |
|
cp--; |
|
} |
|
if (*cp == ' ' || *cp == '\t') |
|
mandoc_msg(MANDOCERR_SPACE_EOL, r->parse, |
|
ln, cp - buf->buf, NULL); |
|
while (stesc > start && stesc[-1] == ' ') |
|
stesc--; |
|
*stesc = '\0'; |
|
break; |
|
} |
|
if (stesc == start) |
|
return ROFF_CONT; |
|
stesc--; |
|
|
|
/* Notice the end of the input. */ |
|
|
|
if (*stesc == '\n') { |
|
*stesc-- = '\0'; |
|
done = 1; |
|
} |
|
|
expand_count = 0; |
expand_count = 0; |
start = *bufp + pos; |
while (stesc >= start) { |
stesc = strchr(start, '\0') - 1; |
|
while (stesc-- > start) { |
|
|
|
/* Search backwards for the next backslash. */ |
/* Search backwards for the next backslash. */ |
|
|
if ('\\' != *stesc) |
if (*stesc != r->escape) { |
|
if (*stesc == '\\') { |
|
*stesc = '\0'; |
|
buf->sz = mandoc_asprintf(&nbuf, "%s\\e%s", |
|
buf->buf, stesc + 1) + 1; |
|
start = nbuf + pos; |
|
stesc = nbuf + (stesc - buf->buf); |
|
free(buf->buf); |
|
buf->buf = nbuf; |
|
} |
|
stesc--; |
continue; |
continue; |
|
} |
|
|
/* If it is escaped, skip it. */ |
/* If it is escaped, skip it. */ |
|
|
for (cp = stesc - 1; cp >= start; cp--) |
for (cp = stesc - 1; cp >= start; cp--) |
if ('\\' != *cp) |
if (*cp != r->escape) |
break; |
break; |
|
|
if (0 == (stesc - cp) % 2) { |
if ((stesc - cp) % 2 == 0) { |
stesc = (char *)cp; |
while (stesc > cp) |
|
*stesc-- = '\\'; |
continue; |
continue; |
|
} else if (stesc[1] != '\0') { |
|
*stesc = '\\'; |
|
} else { |
|
*stesc-- = '\0'; |
|
if (done) |
|
continue; |
|
else |
|
return ROFF_APPEND; |
} |
} |
|
|
/* Decide whether to expand or to check only. */ |
/* Decide whether to expand or to check only. */ |
Line 534 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
Line 1239 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
res = NULL; |
res = NULL; |
break; |
break; |
case 'B': |
case 'B': |
/* FALLTHROUGH */ |
|
case 'w': |
case 'w': |
term = cp[1]; |
term = cp[1]; |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 542 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
Line 1246 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
res = ubuf; |
res = ubuf; |
break; |
break; |
default: |
default: |
if (ESCAPE_ERROR == mandoc_escape(&cp, NULL, NULL)) |
esc = mandoc_escape(&cp, &stnam, &inaml); |
|
if (esc == ESCAPE_ERROR || |
|
(esc == ESCAPE_SPECIAL && |
|
mchars_spec2cp(stnam, inaml) < 0)) |
mandoc_vmsg(MANDOCERR_ESC_BAD, |
mandoc_vmsg(MANDOCERR_ESC_BAD, |
r->parse, ln, (int)(stesc - *bufp), |
r->parse, ln, (int)(stesc - buf->buf), |
"%.*s", (int)(cp - stesc), stesc); |
"%.*s", (int)(cp - stesc), stesc); |
|
stesc--; |
continue; |
continue; |
} |
} |
|
|
if (EXPAND_LIMIT < ++expand_count) { |
if (EXPAND_LIMIT < ++expand_count) { |
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
ln, (int)(stesc - *bufp), NULL); |
ln, (int)(stesc - buf->buf), NULL); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
/* |
/* |
Line 561 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
Line 1269 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
* Save a pointer to the name. |
* Save a pointer to the name. |
*/ |
*/ |
|
|
if ('\0' == term) { |
if (term == '\0') { |
switch (*++cp) { |
switch (*++cp) { |
case '\0': |
case '\0': |
maxl = 0; |
maxl = 0; |
Line 587 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
Line 1295 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
|
|
/* Advance to the end of the name. */ |
/* Advance to the end of the name. */ |
|
|
|
naml = 0; |
arg_complete = 1; |
arg_complete = 1; |
for (naml = 0; 0 == maxl || naml < maxl; naml++, cp++) { |
while (maxl == 0 || naml < maxl) { |
if ('\0' == *cp) { |
if (*cp == '\0') { |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
ln, (int)(stesc - *bufp), stesc); |
ln, (int)(stesc - buf->buf), stesc); |
arg_complete = 0; |
arg_complete = 0; |
break; |
break; |
} |
} |
if (0 == maxl && *cp == term) { |
if (maxl == 0 && *cp == term) { |
cp++; |
cp++; |
break; |
break; |
} |
} |
|
if (*cp++ != '\\' || stesc[1] != 'w') { |
|
naml++; |
|
continue; |
|
} |
|
switch (mandoc_escape(&cp, NULL, NULL)) { |
|
case ESCAPE_SPECIAL: |
|
case ESCAPE_UNICODE: |
|
case ESCAPE_NUMBERED: |
|
case ESCAPE_OVERSTRIKE: |
|
naml++; |
|
break; |
|
default: |
|
break; |
|
} |
} |
} |
|
|
/* |
/* |
Line 608 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
Line 1331 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
|
|
switch (stesc[1]) { |
switch (stesc[1]) { |
case '*': |
case '*': |
if (arg_complete) |
if (arg_complete) { |
res = roff_getstrn(r, stnam, naml); |
deftype = ROFFDEF_USER | ROFFDEF_PRE; |
|
res = roff_getstrn(r, stnam, naml, &deftype); |
|
} |
break; |
break; |
case 'B': |
case 'B': |
npos = 0; |
npos = 0; |
ubuf[0] = arg_complete && |
ubuf[0] = arg_complete && |
roff_evalnum(stnam, &npos, NULL, 0) && |
roff_evalnum(r, ln, stnam, &npos, |
|
NULL, ROFFNUM_SCALE) && |
stnam + npos + 1 == cp ? '1' : '0'; |
stnam + npos + 1 == cp ? '1' : '0'; |
ubuf[1] = '\0'; |
ubuf[1] = '\0'; |
break; |
break; |
Line 632 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
Line 1358 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
break; |
break; |
} |
} |
|
|
if (NULL == res) { |
if (res == NULL) { |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
r->parse, ln, (int)(stesc - *bufp), |
r->parse, ln, (int)(stesc - buf->buf), |
"%.*s", (int)naml, stnam); |
"%.*s", (int)naml, stnam); |
res = ""; |
res = ""; |
|
} else if (buf->sz + strlen(res) > SHRT_MAX) { |
|
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
|
ln, (int)(stesc - buf->buf), NULL); |
|
return ROFF_IGN; |
} |
} |
|
|
/* Replace the escape sequence by the string. */ |
/* Replace the escape sequence by the string. */ |
|
|
*stesc = '\0'; |
*stesc = '\0'; |
*szp = mandoc_asprintf(&nbuf, "%s%s%s", |
buf->sz = mandoc_asprintf(&nbuf, "%s%s%s", |
*bufp, res, cp) + 1; |
buf->buf, res, cp) + 1; |
|
|
/* Prepare for the next replacement. */ |
/* Prepare for the next replacement. */ |
|
|
start = nbuf + pos; |
start = nbuf + pos; |
stesc = nbuf + (stesc - *bufp) + strlen(res); |
stesc = nbuf + (stesc - buf->buf) + strlen(res); |
free(*bufp); |
free(buf->buf); |
*bufp = nbuf; |
buf->buf = nbuf; |
} |
} |
return(ROFF_CONT); |
return ROFF_CONT; |
} |
} |
|
|
/* |
/* |
* Process text streams: |
* Process text streams. |
* Convert all breakable hyphens into ASCII_HYPH. |
|
* Decrement and spring input line trap. |
|
*/ |
*/ |
static enum rofferr |
static enum rofferr |
roff_parsetext(char **bufp, size_t *szp, int pos, int *offs) |
roff_parsetext(struct roff *r, struct buf *buf, int pos, int *offs) |
{ |
{ |
size_t sz; |
size_t sz; |
const char *start; |
const char *start; |
Line 669 roff_parsetext(char **bufp, size_t *szp, int pos, int |
|
Line 1397 roff_parsetext(char **bufp, size_t *szp, int pos, int |
|
int isz; |
int isz; |
enum mandoc_esc esc; |
enum mandoc_esc esc; |
|
|
start = p = *bufp + pos; |
/* Spring the input line trap. */ |
|
|
while ('\0' != *p) { |
if (roffit_lines == 1) { |
|
isz = mandoc_asprintf(&p, "%s\n.%s", buf->buf, roffit_macro); |
|
free(buf->buf); |
|
buf->buf = p; |
|
buf->sz = isz + 1; |
|
*offs = 0; |
|
free(roffit_macro); |
|
roffit_lines = 0; |
|
return ROFF_REPARSE; |
|
} else if (roffit_lines > 1) |
|
--roffit_lines; |
|
|
|
if (roffce_node != NULL && buf->buf[pos] != '\0') { |
|
if (roffce_lines < 1) { |
|
r->man->last = roffce_node; |
|
r->man->next = ROFF_NEXT_SIBLING; |
|
roffce_lines = 0; |
|
roffce_node = NULL; |
|
} else |
|
roffce_lines--; |
|
} |
|
|
|
/* Convert all breakable hyphens into ASCII_HYPH. */ |
|
|
|
start = p = buf->buf + pos; |
|
|
|
while (*p != '\0') { |
sz = strcspn(p, "-\\"); |
sz = strcspn(p, "-\\"); |
p += sz; |
p += sz; |
|
|
if ('\0' == *p) |
if (*p == '\0') |
break; |
break; |
|
|
if ('\\' == *p) { |
if (*p == '\\') { |
/* Skip over escapes. */ |
/* Skip over escapes. */ |
p++; |
p++; |
esc = mandoc_escape((const char **)&p, NULL, NULL); |
esc = mandoc_escape((const char **)&p, NULL, NULL); |
if (ESCAPE_ERROR == esc) |
if (esc == ESCAPE_ERROR) |
break; |
break; |
|
while (*p == '-') |
|
p++; |
continue; |
continue; |
} else if (p == start) { |
} else if (p == start) { |
p++; |
p++; |
Line 695 roff_parsetext(char **bufp, size_t *szp, int pos, int |
|
Line 1451 roff_parsetext(char **bufp, size_t *szp, int pos, int |
|
*p = ASCII_HYPH; |
*p = ASCII_HYPH; |
p++; |
p++; |
} |
} |
|
return ROFF_CONT; |
/* Spring the input line trap. */ |
|
if (1 == roffit_lines) { |
|
isz = mandoc_asprintf(&p, "%s\n.%s", *bufp, roffit_macro); |
|
free(*bufp); |
|
*bufp = p; |
|
*szp = isz + 1; |
|
*offs = 0; |
|
free(roffit_macro); |
|
roffit_lines = 0; |
|
return(ROFF_REPARSE); |
|
} else if (1 < roffit_lines) |
|
--roffit_lines; |
|
return(ROFF_CONT); |
|
} |
} |
|
|
enum rofferr |
enum rofferr |
roff_parseln(struct roff *r, int ln, char **bufp, |
roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs) |
size_t *szp, int pos, int *offs) |
|
{ |
{ |
enum rofft t; |
enum roff_tok t; |
enum rofferr e; |
enum rofferr e; |
int ppos, ctl; |
int pos; /* parse point */ |
|
int spos; /* saved parse point for messages */ |
|
int ppos; /* original offset in buf->buf */ |
|
int ctl; /* macro line (boolean) */ |
|
|
/* |
ppos = pos = *offs; |
* Run the reserved-word filter only if we have some reserved |
|
* words to fill in. |
|
*/ |
|
|
|
e = roff_res(r, bufp, szp, ln, pos); |
/* Handle in-line equation delimiters. */ |
if (ROFF_IGN == e) |
|
return(e); |
|
assert(ROFF_CONT == e); |
|
|
|
ppos = pos; |
if (r->tbl == NULL && |
ctl = roff_getcontrol(r, *bufp, &pos); |
r->last_eqn != NULL && r->last_eqn->delim && |
|
(r->eqn == NULL || r->eqn_inline)) { |
|
e = roff_eqndelim(r, buf, pos); |
|
if (e == ROFF_REPARSE) |
|
return e; |
|
assert(e == ROFF_CONT); |
|
} |
|
|
|
/* Expand some escape sequences. */ |
|
|
|
e = roff_res(r, buf, ln, pos); |
|
if (e == ROFF_IGN || e == ROFF_APPEND) |
|
return e; |
|
assert(e == ROFF_CONT); |
|
|
|
ctl = roff_getcontrol(r, buf->buf, &pos); |
|
|
/* |
/* |
* 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. |
* we're not a macro, just let it through. |
* Equations process all content themselves. |
* Finally, if there's an equation scope open, divert it into it |
* Tables process almost all content themselves, but we want |
* no matter our state. |
* to warn about macros before passing it there. |
*/ |
*/ |
|
|
if (r->last && ! ctl) { |
if (r->last != NULL && ! ctl) { |
t = r->last->tok; |
t = r->last->tok; |
assert(roffs[t].text); |
e = (*roffs[t].text)(r, t, buf, ln, pos, pos, offs); |
e = (*roffs[t].text)(r, t, bufp, szp, ln, pos, pos, offs); |
if (e == ROFF_IGN) |
assert(ROFF_IGN == e || ROFF_CONT == e); |
return e; |
if (ROFF_CONT != e) |
assert(e == ROFF_CONT); |
return(e); |
|
} |
} |
if (r->eqn) |
if (r->eqn != NULL && strncmp(buf->buf + ppos, ".EN", 3)) { |
return(eqn_read(&r->eqn, ln, *bufp, ppos, offs)); |
eqn_read(r->eqn, buf->buf + ppos); |
if ( ! ctl) { |
return ROFF_IGN; |
if (r->tbl) |
|
return(tbl_read(r->tbl, ln, *bufp, pos)); |
|
return(roff_parsetext(bufp, szp, pos, offs)); |
|
} |
} |
|
if (r->tbl != NULL && (ctl == 0 || buf->buf[pos] == '\0')) { |
|
tbl_read(r->tbl, ln, buf->buf, ppos); |
|
roff_addtbl(r->man, r->tbl); |
|
return ROFF_IGN; |
|
} |
|
if ( ! ctl) |
|
return roff_parsetext(r, buf, pos, offs); |
|
|
|
/* Skip empty request lines. */ |
|
|
|
if (buf->buf[pos] == '"') { |
|
mandoc_msg(MANDOCERR_COMMENT_BAD, r->parse, |
|
ln, pos, NULL); |
|
return ROFF_IGN; |
|
} else if (buf->buf[pos] == '\0') |
|
return ROFF_IGN; |
|
|
/* |
/* |
* 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. |
Line 764 roff_parseln(struct roff *r, int ln, char **bufp, |
|
Line 1530 roff_parseln(struct roff *r, int ln, char **bufp, |
|
|
|
if (r->last) { |
if (r->last) { |
t = r->last->tok; |
t = r->last->tok; |
assert(roffs[t].sub); |
return (*roffs[t].sub)(r, t, buf, ln, ppos, pos, offs); |
return((*roffs[t].sub)(r, t, bufp, szp, |
|
ln, ppos, pos, offs)); |
|
} |
} |
|
|
|
/* No scope is open. This is a new request or macro. */ |
|
|
|
spos = pos; |
|
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
|
|
|
/* Tables ignore most macros. */ |
|
|
|
if (r->tbl != NULL && (t == TOKEN_NONE || t == ROFF_TS || |
|
t == ROFF_br || t == ROFF_ce || t == ROFF_rj || t == ROFF_sp)) { |
|
mandoc_msg(MANDOCERR_TBLMACRO, r->parse, |
|
ln, pos, buf->buf + spos); |
|
if (t != TOKEN_NONE) |
|
return ROFF_IGN; |
|
while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ') |
|
pos++; |
|
while (buf->buf[pos] == ' ') |
|
pos++; |
|
tbl_read(r->tbl, ln, buf->buf, pos); |
|
roff_addtbl(r->man, r->tbl); |
|
return ROFF_IGN; |
|
} |
|
|
|
/* For now, let high level macros abort .ce mode. */ |
|
|
|
if (ctl && roffce_node != NULL && |
|
(t == TOKEN_NONE || t == ROFF_EQ || t == ROFF_TS)) { |
|
r->man->last = roffce_node; |
|
r->man->next = ROFF_NEXT_SIBLING; |
|
roffce_lines = 0; |
|
roffce_node = NULL; |
|
} |
|
|
/* |
/* |
* Lastly, as we've no scope open, try to look up and execute |
* This is neither a roff request nor a user-defined macro. |
* the new macro. If no macro is found, simply return and let |
* Let the standard macro set parsers handle it. |
* the compilers handle it. |
|
*/ |
*/ |
|
|
if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos, ln, ppos))) |
if (t == TOKEN_NONE) |
return(ROFF_CONT); |
return ROFF_CONT; |
|
|
assert(roffs[t].proc); |
/* Execute a roff request or a user defined macro. */ |
return((*roffs[t].proc)(r, t, bufp, szp, ln, ppos, pos, offs)); |
|
|
return (*roffs[t].proc)(r, t, buf, ln, spos, pos, offs); |
} |
} |
|
|
void |
void |
roff_endparse(struct roff *r) |
roff_endparse(struct roff *r) |
{ |
{ |
|
if (r->last != NULL) |
if (r->last) |
|
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
r->last->line, r->last->col, |
r->last->line, r->last->col, |
roffs[r->last->tok].name); |
roff_name[r->last->tok]); |
|
|
if (r->eqn) { |
if (r->eqn != NULL) { |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
r->eqn->eqn.ln, r->eqn->eqn.pos, "EQ"); |
r->eqn->node->line, r->eqn->node->pos, "EQ"); |
eqn_end(&r->eqn); |
eqn_parse(r->eqn); |
|
r->eqn = NULL; |
} |
} |
|
|
if (r->tbl) { |
if (r->tbl != NULL) { |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
r->tbl->line, r->tbl->pos, "TS"); |
r->tbl->line, r->tbl->pos, "TS"); |
tbl_end(&r->tbl); |
tbl_end(r->tbl); |
|
r->tbl = NULL; |
} |
} |
} |
} |
|
|
Line 808 roff_endparse(struct roff *r) |
|
Line 1605 roff_endparse(struct roff *r) |
|
* 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. |
*/ |
*/ |
static enum rofft |
static enum roff_tok |
roff_parse(struct roff *r, char *buf, int *pos, int ln, int ppos) |
roff_parse(struct roff *r, char *buf, int *pos, int ln, int ppos) |
{ |
{ |
char *cp; |
char *cp; |
const char *mac; |
const char *mac; |
size_t maclen; |
size_t maclen; |
enum rofft t; |
int deftype; |
|
enum roff_tok t; |
|
|
cp = buf + *pos; |
cp = buf + *pos; |
|
|
if ('\0' == *cp || '"' == *cp || '\t' == *cp || ' ' == *cp) |
if ('\0' == *cp || '"' == *cp || '\t' == *cp || ' ' == *cp) |
return(ROFF_MAX); |
return TOKEN_NONE; |
|
|
mac = cp; |
mac = cp; |
maclen = roff_getname(r, &cp, ln, ppos); |
maclen = roff_getname(r, &cp, ln, ppos); |
|
|
t = (r->current_string = roff_getstrn(r, mac, maclen)) |
deftype = ROFFDEF_USER | ROFFDEF_REN; |
? ROFF_USERDEF : roffhash_find(mac, maclen); |
r->current_string = roff_getstrn(r, mac, maclen, &deftype); |
|
switch (deftype) { |
if (ROFF_MAX != t) |
case ROFFDEF_USER: |
|
t = ROFF_USERDEF; |
|
break; |
|
case ROFFDEF_REN: |
|
t = ROFF_RENAMED; |
|
break; |
|
default: |
|
t = roffhash_find(r->reqtab, mac, maclen); |
|
break; |
|
} |
|
if (t != TOKEN_NONE) |
*pos = cp - buf; |
*pos = cp - buf; |
|
return t; |
return(t); |
|
} |
} |
|
|
|
/* --- handling of request blocks ----------------------------------------- */ |
|
|
static enum rofferr |
static enum rofferr |
roff_cblock(ROFF_ARGS) |
roff_cblock(ROFF_ARGS) |
{ |
{ |
Line 842 roff_cblock(ROFF_ARGS) |
|
Line 1651 roff_cblock(ROFF_ARGS) |
|
* ignore macro, otherwise raise a warning and just ignore it. |
* ignore macro, otherwise raise a warning and just ignore it. |
*/ |
*/ |
|
|
if (NULL == r->last) { |
if (r->last == NULL) { |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
ln, ppos, ".."); |
ln, ppos, ".."); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
switch (r->last->tok) { |
switch (r->last->tok) { |
case ROFF_am: |
case ROFF_am: |
/* ROFF_am1 is remapped to ROFF_am in roff_block(). */ |
/* ROFF_am1 is remapped to ROFF_am in roff_block(). */ |
/* FALLTHROUGH */ |
|
case ROFF_ami: |
case ROFF_ami: |
/* FALLTHROUGH */ |
|
case ROFF_de: |
case ROFF_de: |
/* ROFF_de1 is remapped to ROFF_de in roff_block(). */ |
/* ROFF_de1 is remapped to ROFF_de in roff_block(). */ |
/* FALLTHROUGH */ |
|
case ROFF_dei: |
case ROFF_dei: |
/* FALLTHROUGH */ |
|
case ROFF_ig: |
case ROFF_ig: |
break; |
break; |
default: |
default: |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
ln, ppos, ".."); |
ln, ppos, ".."); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
if ((*bufp)[pos]) |
if (buf->buf[pos] != '\0') |
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
".. %s", *bufp + pos); |
".. %s", buf->buf + pos); |
|
|
roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
return(ROFF_IGN); |
return ROFF_IGN; |
|
|
} |
} |
|
|
Line 900 roff_ccond(struct roff *r, int ln, int ppos) |
|
Line 1705 roff_ccond(struct roff *r, int ln, int ppos) |
|
|
|
switch (r->last->tok) { |
switch (r->last->tok) { |
case ROFF_el: |
case ROFF_el: |
/* FALLTHROUGH */ |
|
case ROFF_ie: |
case ROFF_ie: |
/* FALLTHROUGH */ |
|
case ROFF_if: |
case ROFF_if: |
break; |
break; |
default: |
default: |
Line 925 roff_ccond(struct roff *r, int ln, int ppos) |
|
Line 1728 roff_ccond(struct roff *r, int ln, int ppos) |
|
static enum rofferr |
static enum rofferr |
roff_block(ROFF_ARGS) |
roff_block(ROFF_ARGS) |
{ |
{ |
const char *name; |
const char *name, *value; |
char *iname, *cp; |
char *call, *cp, *iname, *rname; |
size_t namesz; |
size_t csz, namesz, rsz; |
|
int deftype; |
|
|
/* Ignore groff compatibility mode for now. */ |
/* Ignore groff compatibility mode for now. */ |
|
|
if (ROFF_de1 == tok) |
if (tok == ROFF_de1) |
tok = ROFF_de; |
tok = ROFF_de; |
else if (ROFF_am1 == tok) |
else if (tok == ROFF_dei1) |
|
tok = ROFF_dei; |
|
else if (tok == ROFF_am1) |
tok = ROFF_am; |
tok = ROFF_am; |
|
else if (tok == ROFF_ami1) |
|
tok = ROFF_ami; |
|
|
/* Parse the macro name argument. */ |
/* Parse the macro name argument. */ |
|
|
cp = *bufp + pos; |
cp = buf->buf + pos; |
if (ROFF_ig == tok) { |
if (tok == ROFF_ig) { |
iname = NULL; |
iname = NULL; |
namesz = 0; |
namesz = 0; |
} else { |
} else { |
Line 950 roff_block(ROFF_ARGS) |
|
Line 1758 roff_block(ROFF_ARGS) |
|
|
|
/* Resolve the macro name argument if it is indirect. */ |
/* Resolve the macro name argument if it is indirect. */ |
|
|
if (namesz && (ROFF_dei == tok || ROFF_ami == tok)) { |
if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) { |
if (NULL == (name = roff_getstrn(r, iname, namesz))) { |
deftype = ROFFDEF_USER; |
|
name = roff_getstrn(r, iname, namesz, &deftype); |
|
if (name == NULL) { |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
r->parse, ln, (int)(iname - *bufp), |
r->parse, ln, (int)(iname - buf->buf), |
"%.*s", (int)namesz, iname); |
"%.*s", (int)namesz, iname); |
namesz = 0; |
namesz = 0; |
} else |
} else |
Line 961 roff_block(ROFF_ARGS) |
|
Line 1771 roff_block(ROFF_ARGS) |
|
} else |
} else |
name = iname; |
name = iname; |
|
|
if (0 == namesz && ROFF_ig != tok) { |
if (namesz == 0 && tok != ROFF_ig) { |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, |
ln, ppos, roffs[tok].name); |
ln, ppos, roff_name[tok]); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
roffnode_push(r, tok, name, ln, ppos); |
roffnode_push(r, tok, name, ln, ppos); |
Line 975 roff_block(ROFF_ARGS) |
|
Line 1785 roff_block(ROFF_ARGS) |
|
* appended from roff_block_text() in multiline mode. |
* appended from roff_block_text() in multiline mode. |
*/ |
*/ |
|
|
if (ROFF_de == tok || ROFF_dei == tok) |
if (tok == ROFF_de || tok == ROFF_dei) { |
roff_setstrn(&r->strtab, name, namesz, "", 0, 0); |
roff_setstrn(&r->strtab, name, namesz, "", 0, 0); |
|
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); |
|
} else if (tok == ROFF_am || tok == ROFF_ami) { |
|
deftype = ROFFDEF_ANY; |
|
value = roff_getstrn(r, iname, namesz, &deftype); |
|
switch (deftype) { /* Before appending, ... */ |
|
case ROFFDEF_PRE: /* copy predefined to user-defined. */ |
|
roff_setstrn(&r->strtab, name, namesz, |
|
value, strlen(value), 0); |
|
break; |
|
case ROFFDEF_REN: /* call original standard macro. */ |
|
csz = mandoc_asprintf(&call, ".%.*s \\$* \\\"\n", |
|
(int)strlen(value), value); |
|
roff_setstrn(&r->strtab, name, namesz, call, csz, 0); |
|
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); |
|
free(call); |
|
break; |
|
case ROFFDEF_STD: /* rename and call standard macro. */ |
|
rsz = mandoc_asprintf(&rname, "__%s_renamed", name); |
|
roff_setstrn(&r->rentab, rname, rsz, name, namesz, 0); |
|
csz = mandoc_asprintf(&call, ".%.*s \\$* \\\"\n", |
|
(int)rsz, rname); |
|
roff_setstrn(&r->strtab, name, namesz, call, csz, 0); |
|
free(call); |
|
free(rname); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
if ('\0' == *cp) |
if (*cp == '\0') |
return(ROFF_IGN); |
return ROFF_IGN; |
|
|
/* Get the custom end marker. */ |
/* Get the custom end marker. */ |
|
|
Line 988 roff_block(ROFF_ARGS) |
|
Line 1827 roff_block(ROFF_ARGS) |
|
|
|
/* Resolve the end marker if it is indirect. */ |
/* Resolve the end marker if it is indirect. */ |
|
|
if (namesz && (ROFF_dei == tok || ROFF_ami == tok)) { |
if (namesz && (tok == ROFF_dei || tok == ROFF_ami)) { |
if (NULL == (name = roff_getstrn(r, iname, namesz))) { |
deftype = ROFFDEF_USER; |
|
name = roff_getstrn(r, iname, namesz, &deftype); |
|
if (name == NULL) { |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
r->parse, ln, (int)(iname - *bufp), |
r->parse, ln, (int)(iname - buf->buf), |
"%.*s", (int)namesz, iname); |
"%.*s", (int)namesz, iname); |
namesz = 0; |
namesz = 0; |
} else |
} else |
Line 1002 roff_block(ROFF_ARGS) |
|
Line 1843 roff_block(ROFF_ARGS) |
|
if (namesz) |
if (namesz) |
r->last->end = mandoc_strndup(name, namesz); |
r->last->end = mandoc_strndup(name, namesz); |
|
|
if ('\0' != *cp) |
if (*cp != '\0') |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
ln, pos, ".%s ... %s", roffs[tok].name, cp); |
ln, pos, ".%s ... %s", roff_name[tok], cp); |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_block_sub(ROFF_ARGS) |
roff_block_sub(ROFF_ARGS) |
{ |
{ |
enum rofft t; |
enum roff_tok t; |
int i, j; |
int i, j; |
|
|
/* |
/* |
Line 1026 roff_block_sub(ROFF_ARGS) |
|
Line 1867 roff_block_sub(ROFF_ARGS) |
|
|
|
if (r->last->end) { |
if (r->last->end) { |
for (i = pos, j = 0; r->last->end[j]; j++, i++) |
for (i = pos, j = 0; r->last->end[j]; j++, i++) |
if ((*bufp)[i] != r->last->end[j]) |
if (buf->buf[i] != r->last->end[j]) |
break; |
break; |
|
|
if ('\0' == r->last->end[j] && |
if (r->last->end[j] == '\0' && |
('\0' == (*bufp)[i] || |
(buf->buf[i] == '\0' || |
' ' == (*bufp)[i] || |
buf->buf[i] == ' ' || |
'\t' == (*bufp)[i])) { |
buf->buf[i] == '\t')) { |
roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
|
|
while (' ' == (*bufp)[i] || '\t' == (*bufp)[i]) |
while (buf->buf[i] == ' ' || buf->buf[i] == '\t') |
i++; |
i++; |
|
|
pos = i; |
pos = i; |
if (ROFF_MAX != roff_parse(r, *bufp, &pos, ln, ppos)) |
if (roff_parse(r, buf->buf, &pos, ln, ppos) != |
return(ROFF_RERUN); |
TOKEN_NONE) |
return(ROFF_IGN); |
return ROFF_RERUN; |
|
return ROFF_IGN; |
} |
} |
} |
} |
|
|
Line 1051 roff_block_sub(ROFF_ARGS) |
|
Line 1893 roff_block_sub(ROFF_ARGS) |
|
* pulling it out of the hashtable. |
* pulling it out of the hashtable. |
*/ |
*/ |
|
|
t = roff_parse(r, *bufp, &pos, ln, ppos); |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
|
|
if (ROFF_cblock != t) { |
if (t != ROFF_cblock) { |
if (ROFF_ig != tok) |
if (tok != ROFF_ig) |
roff_setstr(r, r->last->name, *bufp + ppos, 2); |
roff_setstr(r, r->last->name, buf->buf + ppos, 2); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
assert(roffs[t].proc); |
return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
return((*roffs[t].proc)(r, t, bufp, szp, ln, ppos, pos, offs)); |
|
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_block_text(ROFF_ARGS) |
roff_block_text(ROFF_ARGS) |
{ |
{ |
|
|
if (ROFF_ig != tok) |
if (tok != ROFF_ig) |
roff_setstr(r, r->last->name, *bufp + pos, 2); |
roff_setstr(r, r->last->name, buf->buf + pos, 2); |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_cond_sub(ROFF_ARGS) |
roff_cond_sub(ROFF_ARGS) |
{ |
{ |
enum rofft t; |
enum roff_tok t; |
char *ep; |
char *ep; |
int rr; |
int rr; |
|
|
rr = r->last->rule; |
rr = r->last->rule; |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
t = roff_parse(r, *bufp, &pos, ln, ppos); |
|
|
|
/* |
/* |
* Fully handle known macros when they are structurally |
|
* required or when the conditional evaluated to true. |
|
*/ |
|
|
|
if ((ROFF_MAX != t) && |
|
(rr || ROFFMAC_STRUCT & roffs[t].flags)) { |
|
assert(roffs[t].proc); |
|
return((*roffs[t].proc)(r, t, bufp, szp, |
|
ln, ppos, pos, offs)); |
|
} |
|
|
|
/* |
|
* If `\}' occurs on a macro line without a preceding macro, |
* If `\}' occurs on a macro line without a preceding macro, |
* drop the line completely. |
* drop the line completely. |
*/ |
*/ |
|
|
ep = *bufp + pos; |
ep = buf->buf + pos; |
if ('\\' == ep[0] && '}' == ep[1]) |
if (ep[0] == '\\' && ep[1] == '}') |
rr = 0; |
rr = 0; |
|
|
/* Always check for the closing delimiter `\}'. */ |
/* Always check for the closing delimiter `\}'. */ |
|
|
while (NULL != (ep = strchr(ep, '\\'))) { |
while ((ep = strchr(ep, '\\')) != NULL) { |
if ('}' == *(++ep)) { |
switch (ep[1]) { |
*ep = '&'; |
case '}': |
roff_ccond(r, ln, ep - *bufp - 1); |
memmove(ep, ep + 2, strlen(ep + 2) + 1); |
|
roff_ccond(r, ln, ep - buf->buf); |
|
break; |
|
case '\0': |
|
++ep; |
|
break; |
|
default: |
|
ep += 2; |
|
break; |
} |
} |
++ep; |
|
} |
} |
return(rr ? ROFF_CONT : ROFF_IGN); |
|
|
/* |
|
* Fully handle known macros when they are structurally |
|
* required or when the conditional evaluated to true. |
|
*/ |
|
|
|
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
|
return t != TOKEN_NONE && (rr || roffs[t].flags & ROFFMAC_STRUCT) |
|
? (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs) : rr |
|
? ROFF_CONT : ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1126 roff_cond_text(ROFF_ARGS) |
|
Line 1970 roff_cond_text(ROFF_ARGS) |
|
rr = r->last->rule; |
rr = r->last->rule; |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
|
|
ep = *bufp + pos; |
ep = buf->buf + pos; |
while (NULL != (ep = strchr(ep, '\\'))) { |
while ((ep = strchr(ep, '\\')) != NULL) { |
if ('}' == *(++ep)) { |
if (*(++ep) == '}') { |
*ep = '&'; |
*ep = '&'; |
roff_ccond(r, ln, ep - *bufp - 1); |
roff_ccond(r, ln, ep - buf->buf - 1); |
} |
} |
++ep; |
if (*ep != '\0') |
|
++ep; |
} |
} |
return(rr ? ROFF_CONT : ROFF_IGN); |
return rr ? ROFF_CONT : ROFF_IGN; |
} |
} |
|
|
|
/* --- handling of numeric and conditional expressions -------------------- */ |
|
|
/* |
/* |
* Parse a single signed integer number. Stop at the first non-digit. |
* Parse a single signed integer number. Stop at the first non-digit. |
* If there is at least one digit, return success and advance the |
* If there is at least one digit, return success and advance the |
Line 1144 roff_cond_text(ROFF_ARGS) |
|
Line 1991 roff_cond_text(ROFF_ARGS) |
|
* Ignore overflows, treat them just like the C language. |
* Ignore overflows, treat them just like the C language. |
*/ |
*/ |
static int |
static int |
roff_getnum(const char *v, int *pos, int *res) |
roff_getnum(const char *v, int *pos, int *res, int flags) |
{ |
{ |
int myres, n, p; |
int myres, scaled, n, p; |
|
|
if (NULL == res) |
if (NULL == res) |
res = &myres; |
res = &myres; |
|
|
p = *pos; |
p = *pos; |
n = v[p] == '-'; |
n = v[p] == '-'; |
if (n) |
if (n || v[p] == '+') |
p++; |
p++; |
|
|
|
if (flags & ROFFNUM_WHITE) |
|
while (isspace((unsigned char)v[p])) |
|
p++; |
|
|
for (*res = 0; isdigit((unsigned char)v[p]); p++) |
for (*res = 0; isdigit((unsigned char)v[p]); p++) |
*res = 10 * *res + v[p] - '0'; |
*res = 10 * *res + v[p] - '0'; |
if (p == *pos + n) |
if (p == *pos + n) |
Line 1164 roff_getnum(const char *v, int *pos, int *res) |
|
Line 2015 roff_getnum(const char *v, int *pos, int *res) |
|
if (n) |
if (n) |
*res = -*res; |
*res = -*res; |
|
|
*pos = p; |
/* Each number may be followed by one optional scaling unit. */ |
|
|
|
switch (v[p]) { |
|
case 'f': |
|
scaled = *res * 65536; |
|
break; |
|
case 'i': |
|
scaled = *res * 240; |
|
break; |
|
case 'c': |
|
scaled = *res * 240 / 2.54; |
|
break; |
|
case 'v': |
|
case 'P': |
|
scaled = *res * 40; |
|
break; |
|
case 'm': |
|
case 'n': |
|
scaled = *res * 24; |
|
break; |
|
case 'p': |
|
scaled = *res * 10 / 3; |
|
break; |
|
case 'u': |
|
scaled = *res; |
|
break; |
|
case 'M': |
|
scaled = *res * 6 / 25; |
|
break; |
|
default: |
|
scaled = *res; |
|
p--; |
|
break; |
|
} |
|
if (flags & ROFFNUM_SCALE) |
|
*res = scaled; |
|
|
|
*pos = p + 1; |
return 1; |
return 1; |
} |
} |
|
|
Line 1205 roff_evalstrcond(const char *v, int *pos) |
|
Line 2093 roff_evalstrcond(const char *v, int *pos) |
|
out: |
out: |
if (NULL == s3) |
if (NULL == s3) |
s3 = strchr(s2, '\0'); |
s3 = strchr(s2, '\0'); |
else |
else if (*s3 != '\0') |
s3++; |
s3++; |
*pos = s3 - v; |
*pos = s3 - v; |
return(match); |
return match; |
} |
} |
|
|
/* |
/* |
|
|
* or string condition. |
* or string condition. |
*/ |
*/ |
static int |
static int |
roff_evalcond(const char *v, int *pos) |
roff_evalcond(struct roff *r, int ln, char *v, int *pos) |
{ |
{ |
int wanttrue, number; |
char *cp, *name; |
|
size_t sz; |
|
int deftype, number, savepos, istrue, wanttrue; |
|
|
if ('!' == v[*pos]) { |
if ('!' == v[*pos]) { |
wanttrue = 0; |
wanttrue = 0; |
Line 1227 roff_evalcond(const char *v, int *pos) |
|
Line 2117 roff_evalcond(const char *v, int *pos) |
|
wanttrue = 1; |
wanttrue = 1; |
|
|
switch (v[*pos]) { |
switch (v[*pos]) { |
|
case '\0': |
|
return 0; |
case 'n': |
case 'n': |
/* FALLTHROUGH */ |
|
case 'o': |
case 'o': |
(*pos)++; |
(*pos)++; |
return(wanttrue); |
return wanttrue; |
case 'c': |
case 'c': |
/* FALLTHROUGH */ |
|
case 'd': |
|
/* FALLTHROUGH */ |
|
case 'e': |
case 'e': |
/* FALLTHROUGH */ |
|
case 'r': |
|
/* FALLTHROUGH */ |
|
case 't': |
case 't': |
|
case 'v': |
(*pos)++; |
(*pos)++; |
return(!wanttrue); |
return !wanttrue; |
|
case 'd': |
|
case 'r': |
|
cp = v + *pos + 1; |
|
while (*cp == ' ') |
|
cp++; |
|
name = cp; |
|
sz = roff_getname(r, &cp, ln, cp - v); |
|
if (sz == 0) |
|
istrue = 0; |
|
else if (v[*pos] == 'r') |
|
istrue = roff_hasregn(r, name, sz); |
|
else { |
|
deftype = ROFFDEF_ANY; |
|
roff_getstrn(r, name, sz, &deftype); |
|
istrue = !!deftype; |
|
} |
|
*pos = cp - v; |
|
return istrue == wanttrue; |
default: |
default: |
break; |
break; |
} |
} |
|
|
if (roff_evalnum(v, pos, &number, 0)) |
savepos = *pos; |
return((number > 0) == wanttrue); |
if (roff_evalnum(r, ln, v, pos, &number, ROFFNUM_SCALE)) |
|
return (number > 0) == wanttrue; |
|
else if (*pos == savepos) |
|
return roff_evalstrcond(v, pos) == wanttrue; |
else |
else |
return(roff_evalstrcond(v, pos) == wanttrue); |
return 0; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_line_ignore(ROFF_ARGS) |
roff_line_ignore(ROFF_ARGS) |
{ |
{ |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
|
roff_insec(ROFF_ARGS) |
|
{ |
|
|
|
mandoc_msg(MANDOCERR_REQ_INSEC, r->parse, |
|
ln, ppos, roff_name[tok]); |
|
return ROFF_IGN; |
|
} |
|
|
|
static enum rofferr |
|
roff_unsupp(ROFF_ARGS) |
|
{ |
|
|
|
mandoc_msg(MANDOCERR_REQ_UNSUPP, r->parse, |
|
ln, ppos, roff_name[tok]); |
|
return ROFF_IGN; |
|
} |
|
|
|
static enum rofferr |
roff_cond(ROFF_ARGS) |
roff_cond(ROFF_ARGS) |
{ |
{ |
|
|
Line 1274 roff_cond(ROFF_ARGS) |
|
Line 2199 roff_cond(ROFF_ARGS) |
|
* If we're not an `el', however, then evaluate the conditional. |
* If we're not an `el', however, then evaluate the conditional. |
*/ |
*/ |
|
|
r->last->rule = ROFF_el == tok ? |
r->last->rule = tok == ROFF_el ? |
(r->rstackpos < 0 ? 0 : r->rstack[r->rstackpos--]) : |
(r->rstackpos < 0 ? 0 : r->rstack[r->rstackpos--]) : |
roff_evalcond(*bufp, &pos); |
roff_evalcond(r, ln, buf->buf, &pos); |
|
|
/* |
/* |
* An if-else will put the NEGATION of the current evaluated |
* An if-else will put the NEGATION of the current evaluated |
* conditional into the stack of rules. |
* conditional into the stack of rules. |
*/ |
*/ |
|
|
if (ROFF_ie == tok) { |
if (tok == ROFF_ie) { |
if (r->rstackpos + 1 == r->rstacksz) { |
if (r->rstackpos + 1 == r->rstacksz) { |
r->rstacksz += 16; |
r->rstacksz += 16; |
r->rstack = mandoc_reallocarray(r->rstack, |
r->rstack = mandoc_reallocarray(r->rstack, |
Line 1303 roff_cond(ROFF_ARGS) |
|
Line 2228 roff_cond(ROFF_ARGS) |
|
* not even whitespace, use next-line scope. |
* not even whitespace, use next-line scope. |
*/ |
*/ |
|
|
if ('\0' == (*bufp)[pos]) { |
if (buf->buf[pos] == '\0') { |
r->last->endspan = 2; |
r->last->endspan = 2; |
goto out; |
goto out; |
} |
} |
|
|
while (' ' == (*bufp)[pos]) |
while (buf->buf[pos] == ' ') |
pos++; |
pos++; |
|
|
/* An opening brace requests multiline scope. */ |
/* An opening brace requests multiline scope. */ |
|
|
if ('\\' == (*bufp)[pos] && '{' == (*bufp)[pos + 1]) { |
if (buf->buf[pos] == '\\' && buf->buf[pos + 1] == '{') { |
r->last->endspan = -1; |
r->last->endspan = -1; |
pos += 2; |
pos += 2; |
|
while (buf->buf[pos] == ' ') |
|
pos++; |
goto out; |
goto out; |
} |
} |
|
|
Line 1325 roff_cond(ROFF_ARGS) |
|
Line 2252 roff_cond(ROFF_ARGS) |
|
* nothing but trailing whitespace. |
* nothing but trailing whitespace. |
*/ |
*/ |
|
|
if ('\0' == (*bufp)[pos]) |
if (buf->buf[pos] == '\0') |
mandoc_msg(MANDOCERR_COND_EMPTY, r->parse, |
mandoc_msg(MANDOCERR_COND_EMPTY, r->parse, |
ln, ppos, roffs[tok].name); |
ln, ppos, roff_name[tok]); |
|
|
r->last->endspan = 1; |
r->last->endspan = 1; |
|
|
out: |
out: |
*offs = pos; |
*offs = pos; |
return(ROFF_RERUN); |
return ROFF_RERUN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1343 roff_ds(ROFF_ARGS) |
|
Line 2270 roff_ds(ROFF_ARGS) |
|
const char *name; |
const char *name; |
size_t namesz; |
size_t namesz; |
|
|
|
/* Ignore groff compatibility mode for now. */ |
|
|
|
if (tok == ROFF_ds1) |
|
tok = ROFF_ds; |
|
else if (tok == ROFF_as1) |
|
tok = ROFF_as; |
|
|
/* |
/* |
* The first word is the name of the string. |
* The first word is the name of the string. |
* If it is empty or terminated by an escape sequence, |
* If it is empty or terminated by an escape sequence, |
* abort the `ds' request without defining anything. |
* abort the `ds' request without defining anything. |
*/ |
*/ |
|
|
name = string = *bufp + pos; |
name = string = buf->buf + pos; |
if ('\0' == *name) |
if (*name == '\0') |
return(ROFF_IGN); |
return ROFF_IGN; |
|
|
namesz = roff_getname(r, &string, ln, pos); |
namesz = roff_getname(r, &string, ln, pos); |
if ('\\' == name[namesz]) |
if (name[namesz] == '\\') |
return(ROFF_IGN); |
return ROFF_IGN; |
|
|
/* Read past the initial double-quote, if any. */ |
/* Read past the initial double-quote, if any. */ |
if ('"' == *string) |
if (*string == '"') |
string++; |
string++; |
|
|
/* The rest is the value. */ |
/* The rest is the value. */ |
roff_setstrn(&r->strtab, name, namesz, string, strlen(string), |
roff_setstrn(&r->strtab, name, namesz, string, strlen(string), |
ROFF_as == tok); |
ROFF_as == tok); |
return(ROFF_IGN); |
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); |
|
return ROFF_IGN; |
} |
} |
|
|
/* |
/* |
Line 1380 roff_getop(const char *v, int *pos, char *res) |
|
Line 2315 roff_getop(const char *v, int *pos, char *res) |
|
|
|
switch (*res) { |
switch (*res) { |
case '+': |
case '+': |
/* FALLTHROUGH */ |
|
case '-': |
case '-': |
/* FALLTHROUGH */ |
|
case '*': |
case '*': |
/* FALLTHROUGH */ |
|
case '/': |
case '/': |
/* FALLTHROUGH */ |
|
case '%': |
case '%': |
/* FALLTHROUGH */ |
|
case '&': |
case '&': |
/* FALLTHROUGH */ |
|
case ':': |
case ':': |
break; |
break; |
case '<': |
case '<': |
Line 1430 roff_getop(const char *v, int *pos, char *res) |
|
Line 2359 roff_getop(const char *v, int *pos, char *res) |
|
(*pos)++; |
(*pos)++; |
break; |
break; |
default: |
default: |
return(0); |
return 0; |
} |
} |
(*pos)++; |
(*pos)++; |
|
|
return(*res); |
return *res; |
} |
} |
|
|
/* |
/* |
Line 1442 roff_getop(const char *v, int *pos, char *res) |
|
Line 2371 roff_getop(const char *v, int *pos, char *res) |
|
* or a single signed integer number. |
* or a single signed integer number. |
*/ |
*/ |
static int |
static int |
roff_evalpar(const char *v, int *pos, int *res) |
roff_evalpar(struct roff *r, int ln, |
|
const char *v, int *pos, int *res, int flags) |
{ |
{ |
|
|
if ('(' != v[*pos]) |
if ('(' != v[*pos]) |
return(roff_getnum(v, pos, res)); |
return roff_getnum(v, pos, res, flags); |
|
|
(*pos)++; |
(*pos)++; |
if ( ! roff_evalnum(v, pos, res, 1)) |
if ( ! roff_evalnum(r, ln, v, pos, res, flags | ROFFNUM_WHITE)) |
return(0); |
return 0; |
|
|
/* |
/* |
* Omission of the closing parenthesis |
* Omission of the closing parenthesis |
Line 1461 roff_evalpar(const char *v, int *pos, int *res) |
|
Line 2391 roff_evalpar(const char *v, int *pos, int *res) |
|
if (')' == v[*pos]) |
if (')' == v[*pos]) |
(*pos)++; |
(*pos)++; |
else if (NULL == res) |
else if (NULL == res) |
return(0); |
return 0; |
|
|
return(1); |
return 1; |
} |
} |
|
|
/* |
/* |
Line 1471 roff_evalpar(const char *v, int *pos, int *res) |
|
Line 2401 roff_evalpar(const char *v, int *pos, int *res) |
|
* Proceed left to right, there is no concept of precedence. |
* Proceed left to right, there is no concept of precedence. |
*/ |
*/ |
static int |
static int |
roff_evalnum(const char *v, int *pos, int *res, int skipwhite) |
roff_evalnum(struct roff *r, int ln, const char *v, |
|
int *pos, int *res, int flags) |
{ |
{ |
int mypos, operand2; |
int mypos, operand2; |
char operator; |
char operator; |
Line 1481 roff_evalnum(const char *v, int *pos, int *res, int sk |
|
Line 2412 roff_evalnum(const char *v, int *pos, int *res, int sk |
|
pos = &mypos; |
pos = &mypos; |
} |
} |
|
|
if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
(*pos)++; |
(*pos)++; |
|
|
if ( ! roff_evalpar(v, pos, res)) |
if ( ! roff_evalpar(r, ln, v, pos, res, flags)) |
return(0); |
return 0; |
|
|
while (1) { |
while (1) { |
if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
(*pos)++; |
(*pos)++; |
|
|
if ( ! roff_getop(v, pos, &operator)) |
if ( ! roff_getop(v, pos, &operator)) |
break; |
break; |
|
|
if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
(*pos)++; |
(*pos)++; |
|
|
if ( ! roff_evalpar(v, pos, &operand2)) |
if ( ! roff_evalpar(r, ln, v, pos, &operand2, flags)) |
return(0); |
return 0; |
|
|
if (skipwhite) |
if (flags & ROFFNUM_WHITE) |
while (isspace((unsigned char)v[*pos])) |
while (isspace((unsigned char)v[*pos])) |
(*pos)++; |
(*pos)++; |
|
|
Line 1521 roff_evalnum(const char *v, int *pos, int *res, int sk |
|
Line 2452 roff_evalnum(const char *v, int *pos, int *res, int sk |
|
*res *= operand2; |
*res *= operand2; |
break; |
break; |
case '/': |
case '/': |
|
if (operand2 == 0) { |
|
mandoc_msg(MANDOCERR_DIVZERO, |
|
r->parse, ln, *pos, v); |
|
*res = 0; |
|
break; |
|
} |
*res /= operand2; |
*res /= operand2; |
break; |
break; |
case '%': |
case '%': |
|
if (operand2 == 0) { |
|
mandoc_msg(MANDOCERR_DIVZERO, |
|
r->parse, ln, *pos, v); |
|
*res = 0; |
|
break; |
|
} |
*res %= operand2; |
*res %= operand2; |
break; |
break; |
case '<': |
case '<': |
Line 1562 roff_evalnum(const char *v, int *pos, int *res, int sk |
|
Line 2505 roff_evalnum(const char *v, int *pos, int *res, int sk |
|
abort(); |
abort(); |
} |
} |
} |
} |
return(1); |
return 1; |
} |
} |
|
|
|
/* --- register management ------------------------------------------------ */ |
|
|
void |
void |
roff_setreg(struct roff *r, const char *name, int val, char sign) |
roff_setreg(struct roff *r, const char *name, int val, char sign) |
{ |
{ |
Line 1601 roff_setreg(struct roff *r, const char *name, int val, |
|
Line 2546 roff_setreg(struct roff *r, const char *name, int val, |
|
* were to turn up, another special value would have to be chosen. |
* were to turn up, another special value would have to be chosen. |
*/ |
*/ |
static int |
static int |
roff_getregro(const char *name) |
roff_getregro(const struct roff *r, const char *name) |
{ |
{ |
|
|
switch (*name) { |
switch (*name) { |
|
case '$': /* Number of arguments of the last macro evaluated. */ |
|
return r->argc; |
case 'A': /* ASCII approximation mode is always off. */ |
case 'A': /* ASCII approximation mode is always off. */ |
return(0); |
return 0; |
case 'g': /* Groff compatibility mode is always on. */ |
case 'g': /* Groff compatibility mode is always on. */ |
return(1); |
return 1; |
case 'H': /* Fixed horizontal resolution. */ |
case 'H': /* Fixed horizontal resolution. */ |
return (24); |
return 24; |
case 'j': /* Always adjust left margin only. */ |
case 'j': /* Always adjust left margin only. */ |
return(0); |
return 0; |
case 'T': /* Some output device is always defined. */ |
case 'T': /* Some output device is always defined. */ |
return(1); |
return 1; |
case 'V': /* Fixed vertical resolution. */ |
case 'V': /* Fixed vertical resolution. */ |
return (40); |
return 40; |
default: |
default: |
return (-1); |
return -1; |
} |
} |
} |
} |
|
|
Line 1629 roff_getreg(const struct roff *r, const char *name) |
|
Line 2576 roff_getreg(const struct roff *r, const char *name) |
|
int val; |
int val; |
|
|
if ('.' == name[0] && '\0' != name[1] && '\0' == name[2]) { |
if ('.' == name[0] && '\0' != name[1] && '\0' == name[2]) { |
val = roff_getregro(name + 1); |
val = roff_getregro(r, name + 1); |
if (-1 != val) |
if (-1 != val) |
return (val); |
return val; |
} |
} |
|
|
for (reg = r->regtab; reg; reg = reg->next) |
for (reg = r->regtab; reg; reg = reg->next) |
if (0 == strcmp(name, reg->key.p)) |
if (0 == strcmp(name, reg->key.p)) |
return(reg->val); |
return reg->val; |
|
|
return(0); |
return 0; |
} |
} |
|
|
static int |
static int |
Line 1648 roff_getregn(const struct roff *r, const char *name, s |
|
Line 2595 roff_getregn(const struct roff *r, const char *name, s |
|
int val; |
int val; |
|
|
if ('.' == name[0] && 2 == len) { |
if ('.' == name[0] && 2 == len) { |
val = roff_getregro(name + 1); |
val = roff_getregro(r, name + 1); |
if (-1 != val) |
if (-1 != val) |
return (val); |
return val; |
} |
} |
|
|
for (reg = r->regtab; reg; reg = reg->next) |
for (reg = r->regtab; reg; reg = reg->next) |
if (len == reg->key.sz && |
if (len == reg->key.sz && |
0 == strncmp(name, reg->key.p, len)) |
0 == strncmp(name, reg->key.p, len)) |
return(reg->val); |
return reg->val; |
|
|
return(0); |
return 0; |
} |
} |
|
|
|
static int |
|
roff_hasregn(const struct roff *r, const char *name, size_t len) |
|
{ |
|
struct roffreg *reg; |
|
int val; |
|
|
|
if ('.' == name[0] && 2 == len) { |
|
val = roff_getregro(r, name + 1); |
|
if (-1 != val) |
|
return 1; |
|
} |
|
|
|
for (reg = r->regtab; reg; reg = reg->next) |
|
if (len == reg->key.sz && |
|
0 == strncmp(name, reg->key.p, len)) |
|
return 1; |
|
|
|
return 0; |
|
} |
|
|
static void |
static void |
roff_freereg(struct roffreg *reg) |
roff_freereg(struct roffreg *reg) |
{ |
{ |
Line 1682 roff_nr(ROFF_ARGS) |
|
Line 2649 roff_nr(ROFF_ARGS) |
|
int iv; |
int iv; |
char sign; |
char sign; |
|
|
key = val = *bufp + pos; |
key = val = buf->buf + pos; |
if ('\0' == *key) |
if (*key == '\0') |
return(ROFF_IGN); |
return ROFF_IGN; |
|
|
keysz = roff_getname(r, &val, ln, pos); |
keysz = roff_getname(r, &val, ln, pos); |
if ('\\' == key[keysz]) |
if (key[keysz] == '\\') |
return(ROFF_IGN); |
return ROFF_IGN; |
key[keysz] = '\0'; |
key[keysz] = '\0'; |
|
|
sign = *val; |
sign = *val; |
if ('+' == sign || '-' == sign) |
if (sign == '+' || sign == '-') |
val++; |
val++; |
|
|
if (roff_evalnum(val, NULL, &iv, 0)) |
if (roff_evalnum(r, ln, val, NULL, &iv, ROFFNUM_SCALE)) |
roff_setreg(r, key, iv, sign); |
roff_setreg(r, key, iv, sign); |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1708 roff_rr(ROFF_ARGS) |
|
Line 2675 roff_rr(ROFF_ARGS) |
|
char *name, *cp; |
char *name, *cp; |
size_t namesz; |
size_t namesz; |
|
|
name = cp = *bufp + pos; |
name = cp = buf->buf + pos; |
if ('\0' == *name) |
if (*name == '\0') |
return(ROFF_IGN); |
return ROFF_IGN; |
namesz = roff_getname(r, &cp, ln, pos); |
namesz = roff_getname(r, &cp, ln, pos); |
name[namesz] = '\0'; |
name[namesz] = '\0'; |
|
|
prev = &r->regtab; |
prev = &r->regtab; |
while (1) { |
while (1) { |
reg = *prev; |
reg = *prev; |
if (NULL == reg || !strcmp(name, reg->key.p)) |
if (reg == NULL || !strcmp(name, reg->key.p)) |
break; |
break; |
prev = ®->next; |
prev = ®->next; |
} |
} |
if (NULL != reg) { |
if (reg != NULL) { |
*prev = reg->next; |
*prev = reg->next; |
free(reg->key.p); |
free(reg->key.p); |
free(reg); |
free(reg); |
} |
} |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
|
/* --- handler functions for roff requests -------------------------------- */ |
|
|
static enum rofferr |
static enum rofferr |
roff_rm(ROFF_ARGS) |
roff_rm(ROFF_ARGS) |
{ |
{ |
Line 1736 roff_rm(ROFF_ARGS) |
|
Line 2705 roff_rm(ROFF_ARGS) |
|
char *cp; |
char *cp; |
size_t namesz; |
size_t namesz; |
|
|
cp = *bufp + pos; |
cp = buf->buf + pos; |
while ('\0' != *cp) { |
while (*cp != '\0') { |
name = cp; |
name = cp; |
namesz = roff_getname(r, &cp, ln, (int)(cp - *bufp)); |
namesz = roff_getname(r, &cp, ln, (int)(cp - buf->buf)); |
roff_setstrn(&r->strtab, name, namesz, NULL, 0, 0); |
roff_setstrn(&r->strtab, name, namesz, NULL, 0, 0); |
if ('\\' == name[namesz]) |
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); |
|
if (name[namesz] == '\\') |
break; |
break; |
} |
} |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_it(ROFF_ARGS) |
roff_it(ROFF_ARGS) |
{ |
{ |
char *cp; |
|
size_t len; |
|
int iv; |
int iv; |
|
|
/* Parse the number of lines. */ |
/* Parse the number of lines. */ |
cp = *bufp + pos; |
|
len = strcspn(cp, " \t"); |
if ( ! roff_evalnum(r, ln, buf->buf, &pos, &iv, 0)) { |
cp[len] = '\0'; |
|
if ((iv = mandoc_strntoi(cp, len, 10)) <= 0) { |
|
mandoc_msg(MANDOCERR_IT_NONUM, r->parse, |
mandoc_msg(MANDOCERR_IT_NONUM, r->parse, |
ln, ppos, *bufp + 1); |
ln, ppos, buf->buf + 1); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
cp += len + 1; |
|
|
|
/* Arm the input line trap. */ |
while (isspace((unsigned char)buf->buf[pos])) |
|
pos++; |
|
|
|
/* |
|
* Arm the input line trap. |
|
* Special-casing "an-trap" is an ugly workaround to cope |
|
* with DocBook stupidly fiddling with man(7) internals. |
|
*/ |
|
|
roffit_lines = iv; |
roffit_lines = iv; |
roffit_macro = mandoc_strdup(cp); |
roffit_macro = mandoc_strdup(iv != 1 || |
return(ROFF_IGN); |
strcmp(buf->buf + pos, "an-trap") ? |
|
buf->buf + pos : "br"); |
|
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_Dd(ROFF_ARGS) |
roff_Dd(ROFF_ARGS) |
{ |
{ |
const char *const *cp; |
int mask; |
|
enum roff_tok t, te; |
|
|
if (0 == ((MPARSE_MDOC | MPARSE_QUICK) & r->options)) |
switch (tok) { |
for (cp = __mdoc_reserved; *cp; cp++) |
case ROFF_Dd: |
roff_setstr(r, *cp, NULL, 0); |
tok = MDOC_Dd; |
|
te = MDOC_MAX; |
return(ROFF_CONT); |
if (r->format == 0) |
|
r->format = MPARSE_MDOC; |
|
mask = MPARSE_MDOC | MPARSE_QUICK; |
|
break; |
|
case ROFF_TH: |
|
tok = MAN_TH; |
|
te = MAN_MAX; |
|
if (r->format == 0) |
|
r->format = MPARSE_MAN; |
|
mask = MPARSE_QUICK; |
|
break; |
|
default: |
|
abort(); |
|
} |
|
if ((r->options & mask) == 0) |
|
for (t = tok; t < te; t++) |
|
roff_setstr(r, roff_name[t], NULL, 0); |
|
return ROFF_CONT; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_TH(ROFF_ARGS) |
|
{ |
|
const char *const *cp; |
|
|
|
if (0 == (MPARSE_QUICK & r->options)) |
|
for (cp = __man_reserved; *cp; cp++) |
|
roff_setstr(r, *cp, NULL, 0); |
|
|
|
return(ROFF_CONT); |
|
} |
|
|
|
static enum rofferr |
|
roff_TE(ROFF_ARGS) |
roff_TE(ROFF_ARGS) |
{ |
{ |
|
if (r->tbl == NULL) { |
if (NULL == r->tbl) |
|
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
ln, ppos, "TE"); |
ln, ppos, "TE"); |
else |
return ROFF_IGN; |
tbl_end(&r->tbl); |
} |
|
if (tbl_end(r->tbl) == 0) { |
return(ROFF_IGN); |
r->tbl = NULL; |
|
free(buf->buf); |
|
buf->buf = mandoc_strdup(".sp"); |
|
buf->sz = 4; |
|
return ROFF_REPARSE; |
|
} |
|
r->tbl = NULL; |
|
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
Line 1816 roff_T_(ROFF_ARGS) |
|
Line 2803 roff_T_(ROFF_ARGS) |
|
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
ln, ppos, "T&"); |
ln, ppos, "T&"); |
else |
else |
tbl_restart(ppos, ln, r->tbl); |
tbl_restart(ln, ppos, r->tbl); |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
#if 0 |
/* |
static int |
* Handle in-line equation delimiters. |
roff_closeeqn(struct roff *r) |
*/ |
|
static enum rofferr |
|
roff_eqndelim(struct roff *r, struct buf *buf, int pos) |
{ |
{ |
|
char *cp1, *cp2; |
|
const char *bef_pr, *bef_nl, *mac, *aft_nl, *aft_pr; |
|
|
return(r->eqn && ROFF_EQN == eqn_end(&r->eqn) ? 1 : 0); |
/* |
} |
* Outside equations, look for an opening delimiter. |
#endif |
* If we are inside an equation, we already know it is |
|
* in-line, or this function wouldn't have been called; |
|
* so look for a closing delimiter. |
|
*/ |
|
|
static void |
cp1 = buf->buf + pos; |
roff_openeqn(struct roff *r, const char *name, int line, |
cp2 = strchr(cp1, r->eqn == NULL ? |
int offs, const char *buf) |
r->last_eqn->odelim : r->last_eqn->cdelim); |
{ |
if (cp2 == NULL) |
struct eqn_node *e; |
return ROFF_CONT; |
int poff; |
|
|
|
assert(NULL == r->eqn); |
*cp2++ = '\0'; |
e = eqn_alloc(name, offs, line, r->parse); |
bef_pr = bef_nl = aft_nl = aft_pr = ""; |
|
|
if (r->last_eqn) |
/* Handle preceding text, protecting whitespace. */ |
r->last_eqn->next = e; |
|
else |
|
r->first_eqn = r->last_eqn = e; |
|
|
|
r->eqn = r->last_eqn = e; |
if (*buf->buf != '\0') { |
|
if (r->eqn == NULL) |
|
bef_pr = "\\&"; |
|
bef_nl = "\n"; |
|
} |
|
|
if (buf) { |
/* |
poff = 0; |
* Prepare replacing the delimiter with an equation macro |
eqn_read(&r->eqn, line, buf, offs, &poff); |
* and drop leading white space from the equation. |
|
*/ |
|
|
|
if (r->eqn == NULL) { |
|
while (*cp2 == ' ') |
|
cp2++; |
|
mac = ".EQ"; |
|
} else |
|
mac = ".EN"; |
|
|
|
/* Handle following text, protecting whitespace. */ |
|
|
|
if (*cp2 != '\0') { |
|
aft_nl = "\n"; |
|
if (r->eqn != NULL) |
|
aft_pr = "\\&"; |
} |
} |
|
|
|
/* Do the actual replacement. */ |
|
|
|
buf->sz = mandoc_asprintf(&cp1, "%s%s%s%s%s%s%s", buf->buf, |
|
bef_pr, bef_nl, mac, aft_nl, aft_pr, cp2) + 1; |
|
free(buf->buf); |
|
buf->buf = cp1; |
|
|
|
/* Toggle the in-line state of the eqn subsystem. */ |
|
|
|
r->eqn_inline = r->eqn == NULL; |
|
return ROFF_REPARSE; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_EQ(ROFF_ARGS) |
roff_EQ(ROFF_ARGS) |
{ |
{ |
|
struct roff_node *n; |
|
|
roff_openeqn(r, *bufp + pos, ln, ppos, NULL); |
if (r->man->macroset == MACROSET_MAN) |
return(ROFF_IGN); |
man_breakscope(r->man, ROFF_EQ); |
|
n = roff_node_alloc(r->man, ln, ppos, ROFFT_EQN, TOKEN_NONE); |
|
if (ln > r->man->last->line) |
|
n->flags |= NODE_LINE; |
|
n->eqn = mandoc_calloc(1, sizeof(*n->eqn)); |
|
n->eqn->expectargs = UINT_MAX; |
|
roff_node_append(r->man, n); |
|
r->man->next = ROFF_NEXT_SIBLING; |
|
|
|
assert(r->eqn == NULL); |
|
if (r->last_eqn == NULL) |
|
r->last_eqn = eqn_alloc(r->parse); |
|
else |
|
eqn_reset(r->last_eqn); |
|
r->eqn = r->last_eqn; |
|
r->eqn->node = n; |
|
|
|
if (buf->buf[pos] != '\0') |
|
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
|
".EQ %s", buf->buf + pos); |
|
|
|
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_EN(ROFF_ARGS) |
roff_EN(ROFF_ARGS) |
{ |
{ |
|
if (r->eqn != NULL) { |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN"); |
eqn_parse(r->eqn); |
return(ROFF_IGN); |
r->eqn = NULL; |
|
} else |
|
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN"); |
|
if (buf->buf[pos] != '\0') |
|
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
|
"EN %s", buf->buf + pos); |
|
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
roff_TS(ROFF_ARGS) |
roff_TS(ROFF_ARGS) |
{ |
{ |
struct tbl_node *tbl; |
if (r->tbl != NULL) { |
|
|
if (r->tbl) { |
|
mandoc_msg(MANDOCERR_BLK_BROKEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_BROKEN, r->parse, |
ln, ppos, "TS breaks TS"); |
ln, ppos, "TS breaks TS"); |
tbl_end(&r->tbl); |
tbl_end(r->tbl); |
} |
} |
|
r->tbl = tbl_alloc(ppos, ln, r->parse); |
tbl = tbl_alloc(ppos, ln, r->parse); |
|
|
|
if (r->last_tbl) |
if (r->last_tbl) |
r->last_tbl->next = tbl; |
r->last_tbl->next = r->tbl; |
else |
else |
r->first_tbl = r->last_tbl = tbl; |
r->first_tbl = r->tbl; |
|
r->last_tbl = r->tbl; |
|
return ROFF_IGN; |
|
} |
|
|
r->tbl = r->last_tbl = tbl; |
static enum rofferr |
return(ROFF_IGN); |
roff_onearg(ROFF_ARGS) |
|
{ |
|
struct roff_node *n; |
|
char *cp; |
|
int npos; |
|
|
|
if (r->man->flags & (MAN_BLINE | MAN_ELINE) && |
|
(tok == ROFF_ce || tok == ROFF_rj || tok == ROFF_sp || |
|
tok == ROFF_ti)) |
|
man_breakscope(r->man, tok); |
|
|
|
if (roffce_node != NULL && (tok == ROFF_ce || tok == ROFF_rj)) { |
|
r->man->last = roffce_node; |
|
r->man->next = ROFF_NEXT_SIBLING; |
|
} |
|
|
|
roff_elem_alloc(r->man, ln, ppos, tok); |
|
n = r->man->last; |
|
|
|
cp = buf->buf + pos; |
|
if (*cp != '\0') { |
|
while (*cp != '\0' && *cp != ' ') |
|
cp++; |
|
while (*cp == ' ') |
|
*cp++ = '\0'; |
|
if (*cp != '\0') |
|
mandoc_vmsg(MANDOCERR_ARG_EXCESS, |
|
r->parse, ln, cp - buf->buf, |
|
"%s ... %s", roff_name[tok], cp); |
|
roff_word_alloc(r->man, ln, pos, buf->buf + pos); |
|
} |
|
|
|
if (tok == ROFF_ce || tok == ROFF_rj) { |
|
if (r->man->last->type == ROFFT_ELEM) { |
|
roff_word_alloc(r->man, ln, pos, "1"); |
|
r->man->last->flags |= NODE_NOSRC; |
|
} |
|
npos = 0; |
|
if (roff_evalnum(r, ln, r->man->last->string, &npos, |
|
&roffce_lines, 0) == 0) { |
|
mandoc_vmsg(MANDOCERR_CE_NONUM, |
|
r->parse, ln, pos, "ce %s", buf->buf + pos); |
|
roffce_lines = 1; |
|
} |
|
if (roffce_lines < 1) { |
|
r->man->last = r->man->last->parent; |
|
roffce_node = NULL; |
|
roffce_lines = 0; |
|
} else |
|
roffce_node = r->man->last->parent; |
|
} else { |
|
n->flags |= NODE_VALID | NODE_ENDED; |
|
r->man->last = n; |
|
} |
|
n->flags |= NODE_LINE; |
|
r->man->next = ROFF_NEXT_SIBLING; |
|
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
|
roff_manyarg(ROFF_ARGS) |
|
{ |
|
struct roff_node *n; |
|
char *sp, *ep; |
|
|
|
roff_elem_alloc(r->man, ln, ppos, tok); |
|
n = r->man->last; |
|
|
|
for (sp = ep = buf->buf + pos; *sp != '\0'; sp = ep) { |
|
while (*ep != '\0' && *ep != ' ') |
|
ep++; |
|
while (*ep == ' ') |
|
*ep++ = '\0'; |
|
roff_word_alloc(r->man, ln, sp - buf->buf, sp); |
|
} |
|
|
|
n->flags |= NODE_LINE | NODE_VALID | NODE_ENDED; |
|
r->man->last = n; |
|
r->man->next = ROFF_NEXT_SIBLING; |
|
return ROFF_IGN; |
|
} |
|
|
|
static enum rofferr |
|
roff_als(ROFF_ARGS) |
|
{ |
|
char *oldn, *newn, *end, *value; |
|
size_t oldsz, newsz, valsz; |
|
|
|
newn = oldn = buf->buf + pos; |
|
if (*newn == '\0') |
|
return ROFF_IGN; |
|
|
|
newsz = roff_getname(r, &oldn, ln, pos); |
|
if (newn[newsz] == '\\' || *oldn == '\0') |
|
return ROFF_IGN; |
|
|
|
end = oldn; |
|
oldsz = roff_getname(r, &end, ln, oldn - buf->buf); |
|
if (oldsz == 0) |
|
return ROFF_IGN; |
|
|
|
valsz = mandoc_asprintf(&value, ".%.*s \\$*\\\"\n", |
|
(int)oldsz, oldn); |
|
roff_setstrn(&r->strtab, newn, newsz, value, valsz, 0); |
|
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); |
|
free(value); |
|
return ROFF_IGN; |
|
} |
|
|
|
static enum rofferr |
|
roff_br(ROFF_ARGS) |
|
{ |
|
if (r->man->flags & (MAN_BLINE | MAN_ELINE)) |
|
man_breakscope(r->man, ROFF_br); |
|
roff_elem_alloc(r->man, ln, ppos, ROFF_br); |
|
if (buf->buf[pos] != '\0') |
|
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
|
"%s %s", roff_name[tok], buf->buf + pos); |
|
r->man->last->flags |= NODE_LINE | NODE_VALID | NODE_ENDED; |
|
r->man->next = ROFF_NEXT_SIBLING; |
|
return ROFF_IGN; |
|
} |
|
|
|
static enum rofferr |
roff_cc(ROFF_ARGS) |
roff_cc(ROFF_ARGS) |
{ |
{ |
const char *p; |
const char *p; |
|
|
p = *bufp + pos; |
p = buf->buf + pos; |
|
|
if ('\0' == *p || '.' == (r->control = *p++)) |
if (*p == '\0' || (r->control = *p++) == '.') |
r->control = 0; |
r->control = '\0'; |
|
|
if ('\0' != *p) |
if (*p != '\0') |
mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, ln, ppos, NULL); |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
|
ln, p - buf->buf, "cc ... %s", p); |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
|
roff_ec(ROFF_ARGS) |
|
{ |
|
const char *p; |
|
|
|
p = buf->buf + pos; |
|
if (*p == '\0') |
|
r->escape = '\\'; |
|
else { |
|
r->escape = *p; |
|
if (*++p != '\0') |
|
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
|
ln, p - buf->buf, "ec ... %s", p); |
|
} |
|
return ROFF_IGN; |
|
} |
|
|
|
static enum rofferr |
|
roff_eo(ROFF_ARGS) |
|
{ |
|
r->escape = '\0'; |
|
if (buf->buf[pos] != '\0') |
|
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, |
|
ln, pos, "eo %s", buf->buf + pos); |
|
return ROFF_IGN; |
|
} |
|
|
|
static enum rofferr |
roff_tr(ROFF_ARGS) |
roff_tr(ROFF_ARGS) |
{ |
{ |
const char *p, *first, *second; |
const char *p, *first, *second; |
size_t fsz, ssz; |
size_t fsz, ssz; |
enum mandoc_esc esc; |
enum mandoc_esc esc; |
|
|
p = *bufp + pos; |
p = buf->buf + pos; |
|
|
if ('\0' == *p) { |
if (*p == '\0') { |
mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, ln, ppos, NULL); |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, ln, ppos, "tr"); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
while ('\0' != *p) { |
while (*p != '\0') { |
fsz = ssz = 1; |
fsz = ssz = 1; |
|
|
first = p++; |
first = p++; |
if ('\\' == *first) { |
if (*first == '\\') { |
esc = mandoc_escape(&p, NULL, NULL); |
esc = mandoc_escape(&p, NULL, NULL); |
if (ESCAPE_ERROR == esc) { |
if (esc == ESCAPE_ERROR) { |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
ln, (int)(p - *bufp), first); |
ln, (int)(p - buf->buf), first); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
fsz = (size_t)(p - first); |
fsz = (size_t)(p - first); |
} |
} |
|
|
second = p++; |
second = p++; |
if ('\\' == *second) { |
if (*second == '\\') { |
esc = mandoc_escape(&p, NULL, NULL); |
esc = mandoc_escape(&p, NULL, NULL); |
if (ESCAPE_ERROR == esc) { |
if (esc == ESCAPE_ERROR) { |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
ln, (int)(p - *bufp), second); |
ln, (int)(p - buf->buf), second); |
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
ssz = (size_t)(p - second); |
ssz = (size_t)(p - second); |
} else if ('\0' == *second) { |
} else if (*second == '\0') { |
mandoc_msg(MANDOCERR_ARGCOUNT, r->parse, |
mandoc_vmsg(MANDOCERR_TR_ODD, r->parse, |
ln, (int)(p - *bufp), NULL); |
ln, first - buf->buf, "tr %s", first); |
second = " "; |
second = " "; |
p--; |
p--; |
} |
} |
Line 1957 roff_tr(ROFF_ARGS) |
|
Line 3153 roff_tr(ROFF_ARGS) |
|
continue; |
continue; |
} |
} |
|
|
if (NULL == r->xtab) |
if (r->xtab == NULL) |
r->xtab = mandoc_calloc(128, |
r->xtab = mandoc_calloc(128, |
sizeof(struct roffstr)); |
sizeof(struct roffstr)); |
|
|
Line 1966 roff_tr(ROFF_ARGS) |
|
Line 3162 roff_tr(ROFF_ARGS) |
|
r->xtab[(int)*first].sz = ssz; |
r->xtab[(int)*first].sz = ssz; |
} |
} |
|
|
return(ROFF_IGN); |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static enum rofferr |
|
roff_rn(ROFF_ARGS) |
|
{ |
|
const char *value; |
|
char *oldn, *newn, *end; |
|
size_t oldsz, newsz; |
|
int deftype; |
|
|
|
oldn = newn = buf->buf + pos; |
|
if (*oldn == '\0') |
|
return ROFF_IGN; |
|
|
|
oldsz = roff_getname(r, &newn, ln, pos); |
|
if (oldn[oldsz] == '\\' || *newn == '\0') |
|
return ROFF_IGN; |
|
|
|
end = newn; |
|
newsz = roff_getname(r, &end, ln, newn - buf->buf); |
|
if (newsz == 0) |
|
return ROFF_IGN; |
|
|
|
deftype = ROFFDEF_ANY; |
|
value = roff_getstrn(r, oldn, oldsz, &deftype); |
|
switch (deftype) { |
|
case ROFFDEF_USER: |
|
roff_setstrn(&r->strtab, newn, newsz, value, strlen(value), 0); |
|
roff_setstrn(&r->strtab, oldn, oldsz, NULL, 0, 0); |
|
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); |
|
break; |
|
case ROFFDEF_PRE: |
|
roff_setstrn(&r->strtab, newn, newsz, value, strlen(value), 0); |
|
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); |
|
break; |
|
case ROFFDEF_REN: |
|
roff_setstrn(&r->rentab, newn, newsz, value, strlen(value), 0); |
|
roff_setstrn(&r->rentab, oldn, oldsz, NULL, 0, 0); |
|
roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0); |
|
break; |
|
case ROFFDEF_STD: |
|
roff_setstrn(&r->rentab, newn, newsz, oldn, oldsz, 0); |
|
roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0); |
|
break; |
|
default: |
|
roff_setstrn(&r->strtab, newn, newsz, NULL, 0, 0); |
|
roff_setstrn(&r->rentab, newn, newsz, NULL, 0, 0); |
|
break; |
|
} |
|
return ROFF_IGN; |
|
} |
|
|
|
static enum rofferr |
roff_so(ROFF_ARGS) |
roff_so(ROFF_ARGS) |
{ |
{ |
char *name; |
char *name, *cp; |
|
|
name = *bufp + pos; |
name = buf->buf + pos; |
mandoc_vmsg(MANDOCERR_SO, r->parse, ln, ppos, "so %s", name); |
mandoc_vmsg(MANDOCERR_SO, r->parse, ln, ppos, "so %s", name); |
|
|
/* |
/* |
Line 1984 roff_so(ROFF_ARGS) |
|
Line 3230 roff_so(ROFF_ARGS) |
|
* or using absolute paths. |
* or using absolute paths. |
*/ |
*/ |
|
|
if ('/' == *name || strstr(name, "../") || strstr(name, "/..")) { |
if (*name == '/' || strstr(name, "../") || strstr(name, "/..")) { |
mandoc_vmsg(MANDOCERR_SO_PATH, r->parse, ln, ppos, |
mandoc_vmsg(MANDOCERR_SO_PATH, r->parse, ln, ppos, |
".so %s", name); |
".so %s", name); |
return(ROFF_ERR); |
buf->sz = mandoc_asprintf(&cp, |
|
".sp\nSee the file %s.\n.sp", name) + 1; |
|
free(buf->buf); |
|
buf->buf = cp; |
|
*offs = 0; |
|
return ROFF_REPARSE; |
} |
} |
|
|
*offs = pos; |
*offs = pos; |
return(ROFF_SO); |
return ROFF_SO; |
} |
} |
|
|
|
/* --- user defined strings and macros ------------------------------------ */ |
|
|
static enum rofferr |
static enum rofferr |
roff_userdef(ROFF_ARGS) |
roff_userdef(ROFF_ARGS) |
{ |
{ |
const char *arg[9]; |
const char *arg[16], *ap; |
char *cp, *n1, *n2; |
char *cp, *n1, *n2; |
int i; |
int expand_count, i, ib, ie; |
|
size_t asz, rsz; |
|
|
/* |
/* |
* Collect pointers to macro argument strings |
* Collect pointers to macro argument strings |
* and NUL-terminate them. |
* and NUL-terminate them. |
*/ |
*/ |
cp = *bufp + pos; |
|
for (i = 0; i < 9; i++) |
|
arg[i] = '\0' == *cp ? "" : |
|
mandoc_getarg(r->parse, &cp, ln, &pos); |
|
|
|
|
r->argc = 0; |
|
cp = buf->buf + pos; |
|
for (i = 0; i < 16; i++) { |
|
if (*cp == '\0') |
|
arg[i] = ""; |
|
else { |
|
arg[i] = mandoc_getarg(r->parse, &cp, ln, &pos); |
|
r->argc = i + 1; |
|
} |
|
} |
|
|
/* |
/* |
* Expand macro arguments. |
* Expand macro arguments. |
*/ |
*/ |
*szp = 0; |
|
n1 = cp = mandoc_strdup(r->current_string); |
buf->sz = strlen(r->current_string) + 1; |
while (NULL != (cp = strstr(cp, "\\$"))) { |
n1 = n2 = cp = mandoc_malloc(buf->sz); |
i = cp[2] - '1'; |
memcpy(n1, r->current_string, buf->sz); |
if (0 > i || 8 < i) { |
expand_count = 0; |
/* Not an argument invocation. */ |
while (*cp != '\0') { |
cp += 2; |
|
|
/* Scan ahead for the next argument invocation. */ |
|
|
|
if (*cp++ != '\\') |
continue; |
continue; |
|
if (*cp++ != '$') |
|
continue; |
|
if (*cp == '*') { /* \\$* inserts all arguments */ |
|
ib = 0; |
|
ie = r->argc - 1; |
|
} else { /* \\$1 .. \\$9 insert one argument */ |
|
ib = ie = *cp - '1'; |
|
if (ib < 0 || ib > 8) |
|
continue; |
} |
} |
*cp = '\0'; |
cp -= 2; |
*szp = mandoc_asprintf(&n2, "%s%s%s", |
|
n1, arg[i], cp + 3) + 1; |
/* |
cp = n2 + (cp - n1); |
* Prevent infinite recursion. |
free(n1); |
*/ |
n1 = n2; |
|
|
if (cp >= n2) |
|
expand_count = 1; |
|
else if (++expand_count > EXPAND_LIMIT) { |
|
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
|
ln, (int)(cp - n1), NULL); |
|
free(buf->buf); |
|
buf->buf = n1; |
|
return ROFF_IGN; |
|
} |
|
|
|
/* |
|
* Determine the size of the expanded argument, |
|
* taking escaping of quotes into account. |
|
*/ |
|
|
|
asz = ie > ib ? ie - ib : 0; /* for blanks */ |
|
for (i = ib; i <= ie; i++) { |
|
for (ap = arg[i]; *ap != '\0'; ap++) { |
|
asz++; |
|
if (*ap == '"') |
|
asz += 3; |
|
} |
|
} |
|
if (asz != 3) { |
|
|
|
/* |
|
* Determine the size of the rest of the |
|
* unexpanded macro, including the NUL. |
|
*/ |
|
|
|
rsz = buf->sz - (cp - n1) - 3; |
|
|
|
/* |
|
* When shrinking, move before |
|
* releasing the storage. |
|
*/ |
|
|
|
if (asz < 3) |
|
memmove(cp + asz, cp + 3, rsz); |
|
|
|
/* |
|
* Resize the storage for the macro |
|
* and readjust the parse pointer. |
|
*/ |
|
|
|
buf->sz += asz - 3; |
|
n2 = mandoc_realloc(n1, buf->sz); |
|
cp = n2 + (cp - n1); |
|
n1 = n2; |
|
|
|
/* |
|
* When growing, make room |
|
* for the expanded argument. |
|
*/ |
|
|
|
if (asz > 3) |
|
memmove(cp + asz, cp + 3, rsz); |
|
} |
|
|
|
/* Copy the expanded argument, escaping quotes. */ |
|
|
|
n2 = cp; |
|
for (i = ib; i <= ie; i++) { |
|
for (ap = arg[i]; *ap != '\0'; ap++) { |
|
if (*ap == '"') { |
|
memcpy(n2, "\\(dq", 4); |
|
n2 += 4; |
|
} else |
|
*n2++ = *ap; |
|
} |
|
if (i < ie) |
|
*n2++ = ' '; |
|
} |
} |
} |
|
|
/* |
/* |
* Replace the macro invocation |
* Replace the macro invocation |
* by the expanded macro. |
* by the expanded macro. |
*/ |
*/ |
free(*bufp); |
|
*bufp = n1; |
|
if (0 == *szp) |
|
*szp = strlen(*bufp) + 1; |
|
|
|
return(*szp > 1 && '\n' == (*bufp)[(int)*szp - 2] ? |
free(buf->buf); |
ROFF_REPARSE : ROFF_APPEND); |
buf->buf = n1; |
|
*offs = 0; |
|
|
|
return buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ? |
|
ROFF_REPARSE : ROFF_APPEND; |
} |
} |
|
|
|
/* |
|
* Calling a high-level macro that was renamed with .rn. |
|
* r->current_string has already been set up by roff_parse(). |
|
*/ |
|
static enum rofferr |
|
roff_renamed(ROFF_ARGS) |
|
{ |
|
char *nbuf; |
|
|
|
buf->sz = mandoc_asprintf(&nbuf, ".%s%s%s", r->current_string, |
|
buf->buf[pos] == '\0' ? "" : " ", buf->buf + pos) + 1; |
|
free(buf->buf); |
|
buf->buf = nbuf; |
|
return ROFF_CONT; |
|
} |
|
|
static size_t |
static size_t |
roff_getname(struct roff *r, char **cpp, int ln, int pos) |
roff_getname(struct roff *r, char **cpp, int ln, int pos) |
{ |
{ |
Line 2051 roff_getname(struct roff *r, char **cpp, int ln, int p |
|
Line 3413 roff_getname(struct roff *r, char **cpp, int ln, int p |
|
|
|
name = *cpp; |
name = *cpp; |
if ('\0' == *name) |
if ('\0' == *name) |
return(0); |
return 0; |
|
|
/* Read until end of name and terminate it with NUL. */ |
/* Read until end of name and terminate it with NUL. */ |
for (cp = name; 1; cp++) { |
for (cp = name; 1; cp++) { |
Line 2078 roff_getname(struct roff *r, char **cpp, int ln, int p |
|
Line 3440 roff_getname(struct roff *r, char **cpp, int ln, int p |
|
cp++; |
cp++; |
|
|
*cpp = cp; |
*cpp = cp; |
return(namesz); |
return namesz; |
} |
} |
|
|
/* |
/* |
|
|
roff_setstr(struct roff *r, const char *name, const char *string, |
roff_setstr(struct roff *r, const char *name, const char *string, |
int append) |
int append) |
{ |
{ |
|
size_t namesz; |
|
|
roff_setstrn(&r->strtab, name, strlen(name), string, |
namesz = strlen(name); |
|
roff_setstrn(&r->strtab, name, namesz, string, |
string ? strlen(string) : 0, append); |
string ? strlen(string) : 0, append); |
|
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); |
} |
} |
|
|
static void |
static void |
Line 2170 roff_setstrn(struct roffkv **r, const char *name, size |
|
Line 3535 roff_setstrn(struct roffkv **r, const char *name, size |
|
} |
} |
|
|
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, |
|
int *deftype) |
{ |
{ |
const struct roffkv *n; |
const struct roffkv *n; |
int i; |
int i; |
|
enum roff_tok tok; |
|
|
for (n = r->strtab; n; n = n->next) |
if (*deftype & ROFFDEF_USER) { |
if (0 == strncmp(name, n->key.p, len) && |
for (n = r->strtab; n != NULL; n = n->next) { |
'\0' == n->key.p[(int)len]) |
if (strncmp(name, n->key.p, len) == 0 && |
return(n->val.p); |
n->key.p[len] == '\0' && |
|
n->val.p != NULL) { |
for (i = 0; i < PREDEFS_MAX; i++) |
*deftype = ROFFDEF_USER; |
if (0 == strncmp(name, predefs[i].name, len) && |
return n->val.p; |
'\0' == predefs[i].name[(int)len]) |
} |
return(predefs[i].str); |
} |
|
} |
return(NULL); |
if (*deftype & ROFFDEF_PRE) { |
|
for (i = 0; i < PREDEFS_MAX; i++) { |
|
if (strncmp(name, predefs[i].name, len) == 0 && |
|
predefs[i].name[len] == '\0') { |
|
*deftype = ROFFDEF_PRE; |
|
return predefs[i].str; |
|
} |
|
} |
|
} |
|
if (*deftype & ROFFDEF_REN) { |
|
for (n = r->rentab; n != NULL; n = n->next) { |
|
if (strncmp(name, n->key.p, len) == 0 && |
|
n->key.p[len] == '\0' && |
|
n->val.p != NULL) { |
|
*deftype = ROFFDEF_REN; |
|
return n->val.p; |
|
} |
|
} |
|
} |
|
if (*deftype & ROFFDEF_STD) { |
|
if (r->man->macroset != MACROSET_MAN) { |
|
for (tok = MDOC_Dd; tok < MDOC_MAX; tok++) { |
|
if (strncmp(name, roff_name[tok], len) == 0 && |
|
roff_name[tok][len] == '\0') { |
|
*deftype = ROFFDEF_STD; |
|
return NULL; |
|
} |
|
} |
|
} |
|
if (r->man->macroset != MACROSET_MDOC) { |
|
for (tok = MAN_TH; tok < MAN_MAX; tok++) { |
|
if (strncmp(name, roff_name[tok], len) == 0 && |
|
roff_name[tok][len] == '\0') { |
|
*deftype = ROFFDEF_STD; |
|
return NULL; |
|
} |
|
} |
|
} |
|
} |
|
*deftype = 0; |
|
return NULL; |
} |
} |
|
|
static void |
static void |
Line 2201 roff_freestr(struct roffkv *r) |
|
Line 3608 roff_freestr(struct roffkv *r) |
|
} |
} |
} |
} |
|
|
const struct tbl_span * |
/* --- accessors and utility functions ------------------------------------ */ |
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); |
|
} |
|
|
|
/* |
/* |
* Duplicate an input string, making the appropriate character |
* Duplicate an input string, making the appropriate character |
* conversations (as stipulated by `tr') along the way. |
* conversations (as stipulated by `tr') along the way. |
Line 2230 roff_strdup(const struct roff *r, const char *p) |
|
Line 3625 roff_strdup(const struct roff *r, const char *p) |
|
enum mandoc_esc esc; |
enum mandoc_esc esc; |
|
|
if (NULL == r->xmbtab && NULL == r->xtab) |
if (NULL == r->xmbtab && NULL == r->xtab) |
return(mandoc_strdup(p)); |
return mandoc_strdup(p); |
else if ('\0' == *p) |
else if ('\0' == *p) |
return(mandoc_strdup("")); |
return mandoc_strdup(""); |
|
|
/* |
/* |
* Step through each character looking for term matches |
* Step through each character looking for term matches |
Line 2246 roff_strdup(const struct roff *r, const char *p) |
|
Line 3641 roff_strdup(const struct roff *r, const char *p) |
|
ssz = 0; |
ssz = 0; |
|
|
while ('\0' != *p) { |
while ('\0' != *p) { |
if ('\\' != *p && r->xtab && r->xtab[(int)*p].p) { |
assert((unsigned int)*p < 128); |
|
if ('\\' != *p && r->xtab && r->xtab[(unsigned int)*p].p) { |
sz = r->xtab[(int)*p].sz; |
sz = r->xtab[(int)*p].sz; |
res = mandoc_realloc(res, ssz + sz + 1); |
res = mandoc_realloc(res, ssz + sz + 1); |
memcpy(res + ssz, r->xtab[(int)*p].p, sz); |
memcpy(res + ssz, r->xtab[(int)*p].p, sz); |
Line 2304 roff_strdup(const struct roff *r, const char *p) |
|
Line 3700 roff_strdup(const struct roff *r, const char *p) |
|
} |
} |
|
|
res[(int)ssz] = '\0'; |
res[(int)ssz] = '\0'; |
return(res); |
return res; |
} |
} |
|
|
|
int |
|
roff_getformat(const struct roff *r) |
|
{ |
|
|
|
return r->format; |
|
} |
|
|
/* |
/* |
* Find out whether a line is a macro line or not. |
* Find out whether a line is a macro line or not. |
* If it is, adjust the current position and return one; if it isn't, |
* If it is, adjust the current position and return one; if it isn't, |
Line 2324 roff_getcontrol(const struct roff *r, const char *cp, |
|
Line 3727 roff_getcontrol(const struct roff *r, const char *cp, |
|
|
|
pos = *ppos; |
pos = *ppos; |
|
|
if (0 != r->control && cp[pos] == r->control) |
if (r->control != '\0' && cp[pos] == r->control) |
pos++; |
pos++; |
else if (0 != r->control) |
else if (r->control != '\0') |
return(0); |
return 0; |
else if ('\\' == cp[pos] && '.' == cp[pos + 1]) |
else if ('\\' == cp[pos] && '.' == cp[pos + 1]) |
pos += 2; |
pos += 2; |
else if ('.' == cp[pos] || '\'' == cp[pos]) |
else if ('.' == cp[pos] || '\'' == cp[pos]) |
pos++; |
pos++; |
else |
else |
return(0); |
return 0; |
|
|
while (' ' == cp[pos] || '\t' == cp[pos]) |
while (' ' == cp[pos] || '\t' == cp[pos]) |
pos++; |
pos++; |
|
|
*ppos = pos; |
*ppos = pos; |
return(1); |
return 1; |
} |
} |