version 1.339, 2018/08/23 14:29:39 |
version 1.372, 2020/04/03 11:35:01 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
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* Copyright (c) 2010-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org> |
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* |
* |
* 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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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* 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. |
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* |
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* Implementation of the roff(7) parser for mandoc(1). |
*/ |
*/ |
#include "config.h" |
#include "config.h" |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
#include "mandoc_ohash.h" |
#include "mandoc_ohash.h" |
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#include "mandoc.h" |
#include "roff.h" |
#include "roff.h" |
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#include "mandoc_parse.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
#include "roff_int.h" |
#include "roff_int.h" |
#include "libroff.h" |
#include "tbl_parse.h" |
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#include "eqn_parse.h" |
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/* |
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* ASCII_ESC is used to signal from roff_getarg() to roff_expand() |
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* that an escape sequence resulted from copy-in processing and |
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* needs to be checked or interpolated. As it is used nowhere |
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* else, it is defined here rather than in a header file. |
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*/ |
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#define ASCII_ESC 27 |
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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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}; |
}; |
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struct roff { |
struct roff { |
struct mparse *parse; /* parse point */ |
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struct roff_man *man; /* mdoc or man parser */ |
struct roff_man *man; /* mdoc or man parser */ |
struct roffnode *last; /* leaf of stack */ |
struct roffnode *last; /* leaf of stack */ |
struct mctx *mstack; /* stack of macro contexts */ |
struct mctx *mstack; /* stack of macro contexts */ |
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char escape; /* escape character */ |
char escape; /* escape character */ |
}; |
}; |
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/* |
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* A macro definition, condition, or ignored block. |
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*/ |
struct roffnode { |
struct roffnode { |
enum roff_tok 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 */ |
char *name; /* node name, e.g. macro name */ |
char *name; /* node name, e.g. macro name */ |
char *end; /* end-rules: custom token */ |
char *end; /* custom end macro of the block */ |
int endspan; /* end-rules: next-line or infty */ |
int endspan; /* scope to: 1=eol 2=next line -1=\} */ |
int rule; /* current evaluation rule */ |
int rule; /* content is: 1=evaluated 0=skipped */ |
}; |
}; |
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#define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
#define ROFF_ARGS struct roff *r, /* parse ctx */ \ |
Line 143 struct roffnode { |
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Line 157 struct roffnode { |
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int pos, /* current pos in buffer */ \ |
int pos, /* current pos in buffer */ \ |
int *offs /* reset offset of buffer data */ |
int *offs /* reset offset of buffer data */ |
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typedef enum rofferr (*roffproc)(ROFF_ARGS); |
typedef int (*roffproc)(ROFF_ARGS); |
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struct roffmac { |
struct roffmac { |
roffproc proc; /* process new macro */ |
roffproc proc; /* process new macro */ |
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/* --- function prototypes ------------------------------------------------ */ |
/* --- function prototypes ------------------------------------------------ */ |
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static void roffnode_cleanscope(struct roff *); |
static int roffnode_cleanscope(struct roff *); |
static void roffnode_pop(struct roff *); |
static int roffnode_pop(struct roff *); |
static void roffnode_push(struct roff *, enum roff_tok, |
static void roffnode_push(struct roff *, enum roff_tok, |
const char *, int, int); |
const char *, int, int); |
static void roff_addtbl(struct roff_man *, struct tbl_node *); |
static void roff_addtbl(struct roff_man *, int, struct tbl_node *); |
static enum rofferr roff_als(ROFF_ARGS); |
static int roff_als(ROFF_ARGS); |
static enum rofferr roff_block(ROFF_ARGS); |
static int roff_block(ROFF_ARGS); |
static enum rofferr roff_block_text(ROFF_ARGS); |
static int roff_block_text(ROFF_ARGS); |
static enum rofferr roff_block_sub(ROFF_ARGS); |
static int roff_block_sub(ROFF_ARGS); |
static enum rofferr roff_br(ROFF_ARGS); |
static int roff_break(ROFF_ARGS); |
static enum rofferr roff_cblock(ROFF_ARGS); |
static int roff_cblock(ROFF_ARGS); |
static enum rofferr roff_cc(ROFF_ARGS); |
static int roff_cc(ROFF_ARGS); |
static void roff_ccond(struct roff *, int, int); |
static int roff_ccond(struct roff *, int, int); |
static enum rofferr roff_cond(ROFF_ARGS); |
static int roff_char(ROFF_ARGS); |
static enum rofferr roff_cond_text(ROFF_ARGS); |
static int roff_cond(ROFF_ARGS); |
static enum rofferr roff_cond_sub(ROFF_ARGS); |
static int roff_cond_text(ROFF_ARGS); |
static enum rofferr roff_ds(ROFF_ARGS); |
static int roff_cond_sub(ROFF_ARGS); |
static enum rofferr roff_ec(ROFF_ARGS); |
static int roff_ds(ROFF_ARGS); |
static enum rofferr roff_eo(ROFF_ARGS); |
static int roff_ec(ROFF_ARGS); |
static enum rofferr roff_eqndelim(struct roff *, struct buf *, int); |
static int roff_eo(ROFF_ARGS); |
static int roff_evalcond(struct roff *r, int, char *, int *); |
static int roff_eqndelim(struct roff *, struct buf *, int); |
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static int roff_evalcond(struct roff *, int, char *, int *); |
static int roff_evalnum(struct roff *, int, |
static int roff_evalnum(struct roff *, int, |
const char *, int *, int *, int); |
const char *, int *, int *, int); |
static int roff_evalpar(struct roff *, int, |
static int roff_evalpar(struct roff *, int, |
const char *, int *, int *, int); |
const char *, int *, int *, int); |
static int roff_evalstrcond(const char *, int *); |
static int roff_evalstrcond(const char *, int *); |
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static int roff_expand(struct roff *, struct buf *, |
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int, int, char); |
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 *); |
Line 203 static const char *roff_getstrn(struct roff *, |
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Line 220 static const char *roff_getstrn(struct roff *, |
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const char *, size_t, int *); |
const char *, size_t, int *); |
static int roff_hasregn(const struct roff *, |
static int roff_hasregn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
static enum rofferr roff_insec(ROFF_ARGS); |
static int roff_insec(ROFF_ARGS); |
static enum rofferr roff_it(ROFF_ARGS); |
static int roff_it(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
static int roff_line_ignore(ROFF_ARGS); |
static void roff_man_alloc1(struct roff_man *); |
static void roff_man_alloc1(struct roff_man *); |
static void roff_man_free1(struct roff_man *); |
static void roff_man_free1(struct roff_man *); |
static enum rofferr roff_manyarg(ROFF_ARGS); |
static int roff_manyarg(ROFF_ARGS); |
static enum rofferr roff_nop(ROFF_ARGS); |
static int roff_noarg(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
static int roff_nop(ROFF_ARGS); |
static enum rofferr roff_onearg(ROFF_ARGS); |
static int roff_nr(ROFF_ARGS); |
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static int roff_onearg(ROFF_ARGS); |
static enum roff_tok roff_parse(struct roff *, char *, int *, |
static enum roff_tok roff_parse(struct roff *, char *, int *, |
int, int); |
int, int); |
static enum rofferr roff_parsetext(struct roff *, struct buf *, |
static int roff_parsetext(struct roff *, struct buf *, |
int, int *); |
int, int *); |
static enum rofferr roff_renamed(ROFF_ARGS); |
static int roff_renamed(ROFF_ARGS); |
static enum rofferr roff_res(struct roff *, struct buf *, int, int); |
static int roff_return(ROFF_ARGS); |
static enum rofferr roff_return(ROFF_ARGS); |
static int roff_rm(ROFF_ARGS); |
static enum rofferr roff_rm(ROFF_ARGS); |
static int roff_rn(ROFF_ARGS); |
static enum rofferr roff_rn(ROFF_ARGS); |
static int roff_rr(ROFF_ARGS); |
static enum rofferr roff_rr(ROFF_ARGS); |
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static void roff_setregn(struct roff *, const char *, |
static void roff_setregn(struct roff *, const char *, |
size_t, int, char, int); |
size_t, int, char, int); |
static void roff_setstr(struct roff *, |
static void roff_setstr(struct roff *, |
const char *, const char *, int); |
const char *, const char *, int); |
static void roff_setstrn(struct roffkv **, const char *, |
static void roff_setstrn(struct roffkv **, const char *, |
size_t, const char *, size_t, int); |
size_t, const char *, size_t, int); |
static enum rofferr roff_shift(ROFF_ARGS); |
static int roff_shift(ROFF_ARGS); |
static enum rofferr roff_so(ROFF_ARGS); |
static int roff_so(ROFF_ARGS); |
static enum rofferr roff_tr(ROFF_ARGS); |
static int roff_tr(ROFF_ARGS); |
static enum rofferr roff_Dd(ROFF_ARGS); |
static int roff_Dd(ROFF_ARGS); |
static enum rofferr roff_TE(ROFF_ARGS); |
static int roff_TE(ROFF_ARGS); |
static enum rofferr roff_TS(ROFF_ARGS); |
static int roff_TS(ROFF_ARGS); |
static enum rofferr roff_EQ(ROFF_ARGS); |
static int roff_EQ(ROFF_ARGS); |
static enum rofferr roff_EN(ROFF_ARGS); |
static int roff_EN(ROFF_ARGS); |
static enum rofferr roff_T_(ROFF_ARGS); |
static int roff_T_(ROFF_ARGS); |
static enum rofferr roff_unsupp(ROFF_ARGS); |
static int roff_unsupp(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
static int roff_userdef(ROFF_ARGS); |
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/* --- constant data ------------------------------------------------------ */ |
/* --- constant data ------------------------------------------------------ */ |
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Line 246 static enum rofferr roff_userdef(ROFF_ARGS); |
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Line 263 static enum rofferr roff_userdef(ROFF_ARGS); |
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#define ROFFNUM_WHITE (1 << 1) /* Skip whitespace in roff_evalnum(). */ |
#define ROFFNUM_WHITE (1 << 1) /* Skip whitespace in roff_evalnum(). */ |
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const char *__roff_name[MAN_MAX + 1] = { |
const char *__roff_name[MAN_MAX + 1] = { |
"br", "ce", "ft", "ll", |
"br", "ce", "fi", "ft", |
"mc", "po", "rj", "sp", |
"ll", "mc", "nf", |
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"po", "rj", "sp", |
"ta", "ti", NULL, |
"ta", "ti", NULL, |
"ab", "ad", "af", "aln", |
"ab", "ad", "af", "aln", |
"als", "am", "am1", "ami", |
"als", "am", "am1", "ami", |
Line 339 const char *__roff_name[MAN_MAX + 1] = { |
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Line 357 const char *__roff_name[MAN_MAX + 1] = { |
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"Lk", "Mt", "Brq", "Bro", |
"Lk", "Mt", "Brq", "Bro", |
"Brc", "%C", "Es", "En", |
"Brc", "%C", "Es", "En", |
"Dx", "%Q", "%U", "Ta", |
"Dx", "%Q", "%U", "Ta", |
NULL, |
"Tg", NULL, |
"TH", "SH", "SS", "TP", |
"TH", "SH", "SS", "TP", |
"TQ", |
"TQ", |
"LP", "PP", "P", "IP", |
"LP", "PP", "P", "IP", |
"HP", "SM", "SB", "BI", |
"HP", "SM", "SB", "BI", |
"IB", "BR", "RB", "R", |
"IB", "BR", "RB", "R", |
"B", "I", "IR", "RI", |
"B", "I", "IR", "RI", |
"nf", "fi", |
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"RE", "RS", "DT", "UC", |
"RE", "RS", "DT", "UC", |
"PD", "AT", "in", |
"PD", "AT", "in", |
"SY", "YS", "OP", |
"SY", "YS", "OP", |
Line 356 const char *__roff_name[MAN_MAX + 1] = { |
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Line 373 const char *__roff_name[MAN_MAX + 1] = { |
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const char *const *roff_name = __roff_name; |
const char *const *roff_name = __roff_name; |
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static struct roffmac roffs[TOKEN_NONE] = { |
static struct roffmac roffs[TOKEN_NONE] = { |
{ roff_br, NULL, NULL, 0 }, /* br */ |
{ roff_noarg, NULL, NULL, 0 }, /* br */ |
{ roff_onearg, NULL, NULL, 0 }, /* ce */ |
{ roff_onearg, NULL, NULL, 0 }, /* ce */ |
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{ roff_noarg, NULL, NULL, 0 }, /* fi */ |
{ roff_onearg, NULL, NULL, 0 }, /* ft */ |
{ roff_onearg, NULL, NULL, 0 }, /* ft */ |
{ roff_onearg, NULL, NULL, 0 }, /* ll */ |
{ roff_onearg, NULL, NULL, 0 }, /* ll */ |
{ roff_onearg, NULL, NULL, 0 }, /* mc */ |
{ roff_onearg, NULL, NULL, 0 }, /* mc */ |
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{ roff_noarg, NULL, NULL, 0 }, /* nf */ |
{ roff_onearg, NULL, NULL, 0 }, /* po */ |
{ roff_onearg, NULL, NULL, 0 }, /* po */ |
{ roff_onearg, NULL, NULL, 0 }, /* rj */ |
{ roff_onearg, NULL, NULL, 0 }, /* rj */ |
{ roff_onearg, NULL, NULL, 0 }, /* sp */ |
{ roff_onearg, NULL, NULL, 0 }, /* sp */ |
Line 387 static struct roffmac roffs[TOKEN_NONE] = { |
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Line 406 static struct roffmac roffs[TOKEN_NONE] = { |
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{ roff_unsupp, NULL, NULL, 0 }, /* boxa */ |
{ roff_unsupp, NULL, NULL, 0 }, /* boxa */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* bp */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* bp */ |
{ roff_unsupp, NULL, NULL, 0 }, /* BP */ |
{ roff_unsupp, NULL, NULL, 0 }, /* BP */ |
{ roff_unsupp, NULL, NULL, 0 }, /* break */ |
{ roff_break, NULL, NULL, 0 }, /* break */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* breakchar */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* breakchar */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* brnl */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* brnl */ |
{ roff_br, NULL, NULL, 0 }, /* brp */ |
{ roff_noarg, NULL, NULL, 0 }, /* brp */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* brpnl */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* brpnl */ |
{ roff_unsupp, NULL, NULL, 0 }, /* c2 */ |
{ roff_unsupp, NULL, NULL, 0 }, /* c2 */ |
{ roff_cc, NULL, NULL, 0 }, /* cc */ |
{ roff_cc, NULL, NULL, 0 }, /* cc */ |
{ roff_insec, NULL, NULL, 0 }, /* cf */ |
{ roff_insec, NULL, NULL, 0 }, /* cf */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* cflags */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* cflags */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* ch */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* ch */ |
{ roff_unsupp, NULL, NULL, 0 }, /* char */ |
{ roff_char, NULL, NULL, 0 }, /* char */ |
{ roff_unsupp, NULL, NULL, 0 }, /* chop */ |
{ roff_unsupp, NULL, NULL, 0 }, /* chop */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* class */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* class */ |
{ roff_insec, NULL, NULL, 0 }, /* close */ |
{ roff_insec, NULL, NULL, 0 }, /* close */ |
Line 590 static struct roffmac roffs[TOKEN_NONE] = { |
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Line 609 static struct roffmac roffs[TOKEN_NONE] = { |
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{ roff_line_ignore, NULL, NULL, 0 }, /* watchlength */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* watchlength */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* watchn */ |
{ roff_line_ignore, NULL, NULL, 0 }, /* watchn */ |
{ roff_unsupp, NULL, NULL, 0 }, /* wh */ |
{ roff_unsupp, NULL, NULL, 0 }, /* wh */ |
{ roff_unsupp, NULL, NULL, 0 }, /* while */ |
{ roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT }, /*while*/ |
{ roff_insec, NULL, NULL, 0 }, /* write */ |
{ roff_insec, NULL, NULL, 0 }, /* write */ |
{ roff_insec, NULL, NULL, 0 }, /* writec */ |
{ roff_insec, NULL, NULL, 0 }, /* writec */ |
{ roff_insec, NULL, NULL, 0 }, /* writem */ |
{ roff_insec, NULL, NULL, 0 }, /* writem */ |
Line 672 roffhash_find(struct ohash *htab, const char *name, si |
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Line 691 roffhash_find(struct ohash *htab, const char *name, si |
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/* |
/* |
* 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. Return 1 if it is a loop or 0 otherwise. |
*/ |
*/ |
static void |
static int |
roffnode_pop(struct roff *r) |
roffnode_pop(struct roff *r) |
{ |
{ |
struct roffnode *p; |
struct roffnode *p; |
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int inloop; |
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assert(r->last); |
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p = r->last; |
p = r->last; |
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inloop = p->tok == ROFF_while; |
r->last = r->last->parent; |
r->last = p->parent; |
free(p->name); |
free(p->name); |
free(p->end); |
free(p->end); |
free(p); |
free(p); |
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return inloop; |
} |
} |
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/* |
/* |
Line 715 roffnode_push(struct roff *r, enum roff_tok tok, const |
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Line 735 roffnode_push(struct roff *r, enum roff_tok tok, const |
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static void |
static void |
roff_free1(struct roff *r) |
roff_free1(struct roff *r) |
{ |
{ |
struct tbl_node *tbl; |
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int i; |
int i; |
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while (NULL != (tbl = r->first_tbl)) { |
tbl_free(r->first_tbl); |
r->first_tbl = tbl->next; |
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tbl_free(tbl); |
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} |
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r->first_tbl = r->last_tbl = r->tbl = NULL; |
r->first_tbl = r->last_tbl = r->tbl = NULL; |
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if (r->last_eqn != NULL) |
eqn_free(r->last_eqn); |
eqn_free(r->last_eqn); |
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r->last_eqn = r->eqn = NULL; |
r->last_eqn = r->eqn = NULL; |
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while (r->mstackpos >= 0) |
while (r->mstackpos >= 0) |
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roff_reset(struct roff *r) |
roff_reset(struct roff *r) |
{ |
{ |
roff_free1(r); |
roff_free1(r); |
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r->options |= MPARSE_COMMENT; |
r->format = r->options & (MPARSE_MDOC | MPARSE_MAN); |
r->format = r->options & (MPARSE_MDOC | MPARSE_MAN); |
r->control = '\0'; |
r->control = '\0'; |
r->escape = '\\'; |
r->escape = '\\'; |
Line 770 roff_reset(struct roff *r) |
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Line 786 roff_reset(struct roff *r) |
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void |
void |
roff_free(struct roff *r) |
roff_free(struct roff *r) |
{ |
{ |
int i; |
int i; |
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roff_free1(r); |
roff_free1(r); |
for (i = 0; i < r->mstacksz; i++) |
for (i = 0; i < r->mstacksz; i++) |
Line 781 roff_free(struct roff *r) |
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Line 797 roff_free(struct roff *r) |
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} |
} |
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struct roff * |
struct roff * |
roff_alloc(struct mparse *parse, int options) |
roff_alloc(int options) |
{ |
{ |
struct roff *r; |
struct roff *r; |
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r = mandoc_calloc(1, sizeof(struct roff)); |
r = mandoc_calloc(1, sizeof(struct roff)); |
r->parse = parse; |
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r->reqtab = roffhash_alloc(0, ROFF_RENAMED); |
r->reqtab = roffhash_alloc(0, ROFF_RENAMED); |
r->options = options; |
r->options = options | MPARSE_COMMENT; |
r->format = options & (MPARSE_MDOC | MPARSE_MAN); |
r->format = options & (MPARSE_MDOC | MPARSE_MAN); |
r->mstackpos = -1; |
r->mstackpos = -1; |
r->rstackpos = -1; |
r->rstackpos = -1; |
Line 801 roff_alloc(struct mparse *parse, int options) |
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Line 816 roff_alloc(struct mparse *parse, int options) |
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static void |
static void |
roff_man_free1(struct roff_man *man) |
roff_man_free1(struct roff_man *man) |
{ |
{ |
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if (man->meta.first != NULL) |
if (man->first != NULL) |
roff_node_delete(man, man->meta.first); |
roff_node_delete(man, man->first); |
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free(man->meta.msec); |
free(man->meta.msec); |
free(man->meta.vol); |
free(man->meta.vol); |
free(man->meta.os); |
free(man->meta.os); |
Line 811 roff_man_free1(struct roff_man *man) |
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Line 825 roff_man_free1(struct roff_man *man) |
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free(man->meta.title); |
free(man->meta.title); |
free(man->meta.name); |
free(man->meta.name); |
free(man->meta.date); |
free(man->meta.date); |
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free(man->meta.sodest); |
} |
} |
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static void |
void |
roff_man_alloc1(struct roff_man *man) |
roff_state_reset(struct roff_man *man) |
{ |
{ |
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man->last = man->meta.first; |
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->last_es = NULL; |
man->flags = 0; |
man->flags = 0; |
man->macroset = MACROSET_NONE; |
|
man->lastsec = man->lastnamed = SEC_NONE; |
man->lastsec = man->lastnamed = SEC_NONE; |
man->next = ROFF_NEXT_CHILD; |
man->next = ROFF_NEXT_CHILD; |
|
roff_setreg(man->roff, "nS", 0, '='); |
} |
} |
|
|
|
static void |
|
roff_man_alloc1(struct roff_man *man) |
|
{ |
|
memset(&man->meta, 0, sizeof(man->meta)); |
|
man->meta.first = mandoc_calloc(1, sizeof(*man->meta.first)); |
|
man->meta.first->type = ROFFT_ROOT; |
|
man->meta.macroset = MACROSET_NONE; |
|
roff_state_reset(man); |
|
} |
|
|
void |
void |
roff_man_reset(struct roff_man *man) |
roff_man_reset(struct roff_man *man) |
{ |
{ |
|
|
roff_man_free1(man); |
roff_man_free1(man); |
roff_man_alloc1(man); |
roff_man_alloc1(man); |
} |
} |
Line 839 roff_man_reset(struct roff_man *man) |
|
Line 859 roff_man_reset(struct roff_man *man) |
|
void |
void |
roff_man_free(struct roff_man *man) |
roff_man_free(struct roff_man *man) |
{ |
{ |
|
|
roff_man_free1(man); |
roff_man_free1(man); |
free(man); |
free(man); |
} |
} |
|
|
struct roff_man * |
struct roff_man * |
roff_man_alloc(struct roff *roff, struct mparse *parse, |
roff_man_alloc(struct roff *roff, const char *os_s, int quick) |
const char *os_s, int quick) |
|
{ |
{ |
struct roff_man *man; |
struct roff_man *man; |
|
|
man = mandoc_calloc(1, sizeof(*man)); |
man = mandoc_calloc(1, sizeof(*man)); |
man->parse = parse; |
|
man->roff = roff; |
man->roff = roff; |
man->os_s = os_s; |
man->os_s = os_s; |
man->quick = quick; |
man->quick = quick; |
Line 879 roff_node_alloc(struct roff_man *man, int line, int po |
|
Line 896 roff_node_alloc(struct roff_man *man, int line, int po |
|
n->flags |= NODE_SYNPRETTY; |
n->flags |= NODE_SYNPRETTY; |
else |
else |
n->flags &= ~NODE_SYNPRETTY; |
n->flags &= ~NODE_SYNPRETTY; |
|
if ((man->flags & (ROFF_NOFILL | ROFF_NONOFILL)) == ROFF_NOFILL) |
|
n->flags |= NODE_NOFILL; |
|
else |
|
n->flags &= ~NODE_NOFILL; |
if (man->flags & MDOC_NEWLINE) |
if (man->flags & MDOC_NEWLINE) |
n->flags |= NODE_LINE; |
n->flags |= NODE_LINE; |
man->flags &= ~MDOC_NEWLINE; |
man->flags &= ~MDOC_NEWLINE; |
Line 1011 roff_body_alloc(struct roff_man *man, int line, int po |
|
Line 1032 roff_body_alloc(struct roff_man *man, int line, int po |
|
} |
} |
|
|
static void |
static void |
roff_addtbl(struct roff_man *man, struct tbl_node *tbl) |
roff_addtbl(struct roff_man *man, int line, struct tbl_node *tbl) |
{ |
{ |
struct roff_node *n; |
struct roff_node *n; |
const struct tbl_span *span; |
struct tbl_span *span; |
|
|
if (man->macroset == MACROSET_MAN) |
if (man->meta.macroset == MACROSET_MAN) |
man_breakscope(man, ROFF_TS); |
man_breakscope(man, ROFF_TS); |
while ((span = tbl_span(tbl)) != NULL) { |
while ((span = tbl_span(tbl)) != NULL) { |
n = roff_node_alloc(man, tbl->line, 0, ROFFT_TBL, TOKEN_NONE); |
n = roff_node_alloc(man, line, 0, ROFFT_TBL, TOKEN_NONE); |
n->span = span; |
n->span = span; |
roff_node_append(man, n); |
roff_node_append(man, n); |
n->flags |= NODE_VALID | NODE_ENDED; |
n->flags |= NODE_VALID | NODE_ENDED; |
Line 1060 roff_node_unlink(struct roff_man *man, struct roff_nod |
|
Line 1081 roff_node_unlink(struct roff_man *man, struct roff_nod |
|
man->next = ROFF_NEXT_SIBLING; |
man->next = ROFF_NEXT_SIBLING; |
} |
} |
} |
} |
if (man->first == n) |
if (man->meta.first == n) |
man->first = NULL; |
man->meta.first = NULL; |
} |
} |
|
|
void |
void |
|
roff_node_relink(struct roff_man *man, struct roff_node *n) |
|
{ |
|
roff_node_unlink(man, n); |
|
n->prev = n->next = NULL; |
|
roff_node_append(man, n); |
|
} |
|
|
|
void |
roff_node_free(struct roff_node *n) |
roff_node_free(struct roff_node *n) |
{ |
{ |
|
|
Line 1072 roff_node_free(struct roff_node *n) |
|
Line 1101 roff_node_free(struct roff_node *n) |
|
mdoc_argv_free(n->args); |
mdoc_argv_free(n->args); |
if (n->type == ROFFT_BLOCK || n->type == ROFFT_ELEM) |
if (n->type == ROFFT_BLOCK || n->type == ROFFT_ELEM) |
free(n->norm); |
free(n->norm); |
if (n->eqn != NULL) |
eqn_box_free(n->eqn); |
eqn_box_free(n->eqn); |
|
free(n->string); |
free(n->string); |
free(n); |
free(n); |
} |
} |
Line 1088 roff_node_delete(struct roff_man *man, struct roff_nod |
|
Line 1116 roff_node_delete(struct roff_man *man, struct roff_nod |
|
roff_node_free(n); |
roff_node_free(n); |
} |
} |
|
|
|
int |
|
roff_node_transparent(struct roff_node *n) |
|
{ |
|
if (n == NULL) |
|
return 0; |
|
if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT) |
|
return 1; |
|
switch (n->tok) { |
|
case ROFF_ft: |
|
case ROFF_ll: |
|
case ROFF_mc: |
|
case ROFF_po: |
|
case ROFF_ta: |
|
case MDOC_Db: |
|
case MDOC_Es: |
|
case MDOC_Sm: |
|
case MDOC_Tg: |
|
case MAN_DT: |
|
case MAN_UC: |
|
case MAN_PD: |
|
case MAN_AT: |
|
return 1; |
|
default: |
|
return 0; |
|
} |
|
} |
|
|
|
struct roff_node * |
|
roff_node_child(struct roff_node *n) |
|
{ |
|
for (n = n->child; roff_node_transparent(n); n = n->next) |
|
continue; |
|
return n; |
|
} |
|
|
|
struct roff_node * |
|
roff_node_prev(struct roff_node *n) |
|
{ |
|
do { |
|
n = n->prev; |
|
} while (roff_node_transparent(n)); |
|
return n; |
|
} |
|
|
|
struct roff_node * |
|
roff_node_next(struct roff_node *n) |
|
{ |
|
do { |
|
n = n->next; |
|
} while (roff_node_transparent(n)); |
|
return n; |
|
} |
|
|
void |
void |
deroff(char **dest, const struct roff_node *n) |
deroff(char **dest, const struct roff_node *n) |
{ |
{ |
char *cp; |
char *cp; |
size_t sz; |
size_t sz; |
|
|
if (n->type != ROFFT_TEXT) { |
if (n->string == NULL) { |
for (n = n->child; n != NULL; n = n->next) |
for (n = n->child; n != NULL; n = n->next) |
deroff(dest, n); |
deroff(dest, n); |
return; |
return; |
Line 1140 deroff(char **dest, const struct roff_node *n) |
|
Line 1221 deroff(char **dest, const struct roff_node *n) |
|
/* --- main functions of the roff parser ---------------------------------- */ |
/* --- 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 produce parsable |
* used in numerical expressions and conditional requests. |
* input text. Also check the syntax of the remaining escape sequences, |
* Also check the syntax of the remaining escape sequences. |
* which typically produce output glyphs or change formatter state. |
*/ |
*/ |
static enum rofferr |
static int |
roff_res(struct roff *r, struct buf *buf, int ln, int pos) |
roff_expand(struct roff *r, struct buf *buf, int ln, int pos, char newesc) |
{ |
{ |
struct mctx *ctx; /* current macro call context */ |
struct mctx *ctx; /* current macro call context */ |
char ubuf[24]; /* buffer to print the number */ |
char ubuf[24]; /* buffer to print the number */ |
struct roff_node *n; /* used for header comments */ |
struct roff_node *n; /* used for header comments */ |
const char *start; /* start of the string to process */ |
const char *start; /* start of the string to process */ |
char *stesc; /* start of an escape sequence ('\\') */ |
char *stesc; /* start of an escape sequence ('\\') */ |
|
const char *esct; /* type of esccape sequence */ |
char *ep; /* end of comment string */ |
char *ep; /* end of comment string */ |
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 ']' */ |
Line 1161 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1243 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
size_t naml; /* actual length of the escape name */ |
size_t naml; /* actual length of the escape name */ |
size_t asz; /* length of the replacement */ |
size_t asz; /* length of the replacement */ |
size_t rsz; /* length of the rest of the string */ |
size_t rsz; /* length of the rest of the string */ |
enum mandoc_esc esc; /* type of the escape sequence */ |
|
int inaml; /* length returned from mandoc_escape() */ |
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 */ |
Line 1170 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1251 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
int done; /* no more input available */ |
int done; /* no more input available */ |
int deftype; /* type of definition to paste */ |
int deftype; /* type of definition to paste */ |
int rcsid; /* kind of RCS id seen */ |
int rcsid; /* kind of RCS id seen */ |
|
enum mandocerr err; /* for escape sequence problems */ |
char sign; /* increment number register */ |
char sign; /* increment number register */ |
char term; /* character terminating the escape */ |
char term; /* character terminating the escape */ |
|
|
Line 1178 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1260 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
done = 0; |
done = 0; |
start = buf->buf + pos; |
start = buf->buf + pos; |
for (stesc = buf->buf + pos; *stesc != '\0'; stesc++) { |
for (stesc = buf->buf + pos; *stesc != '\0'; stesc++) { |
if (stesc[0] != r->escape || stesc[1] == '\0') |
if (stesc[0] != newesc || stesc[1] == '\0') |
continue; |
continue; |
stesc++; |
stesc++; |
if (*stesc != '"' && *stesc != '#') |
if (*stesc != '"' && *stesc != '#') |
Line 1198 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1280 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
isalnum((unsigned char)*cp) == 0 && |
isalnum((unsigned char)*cp) == 0 && |
strchr(cp, '$') != NULL) { |
strchr(cp, '$') != NULL) { |
if (r->man->meta.rcsids & rcsid) |
if (r->man->meta.rcsids & rcsid) |
mandoc_msg(MANDOCERR_RCS_REP, r->parse, |
mandoc_msg(MANDOCERR_RCS_REP, ln, |
ln, stesc + 1 - buf->buf, stesc + 1); |
(int)(stesc - buf->buf) + 1, |
|
"%s", stesc + 1); |
r->man->meta.rcsids |= rcsid; |
r->man->meta.rcsids |= rcsid; |
} |
} |
|
|
Line 1211 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1294 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
ep--; |
ep--; |
} |
} |
if (*ep == ' ' || *ep == '\t') |
if (*ep == ' ' || *ep == '\t') |
mandoc_msg(MANDOCERR_SPACE_EOL, r->parse, |
mandoc_msg(MANDOCERR_SPACE_EOL, |
ln, ep - buf->buf, NULL); |
ln, (int)(ep - buf->buf), NULL); |
|
|
/* |
/* |
* Save comments preceding the title macro |
* Save comments preceding the title macro |
* in the syntax tree. |
* in the syntax tree. |
*/ |
*/ |
|
|
if (r->format == 0) { |
if (newesc != ASCII_ESC && r->options & MPARSE_COMMENT) { |
while (*ep == ' ' || *ep == '\t') |
while (*ep == ' ' || *ep == '\t') |
ep--; |
ep--; |
ep[1] = '\0'; |
ep[1] = '\0'; |
Line 1236 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1319 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
|
|
if (stesc[1] == '#') { |
if (stesc[1] == '#') { |
*stesc = '\0'; |
*stesc = '\0'; |
return ROFF_APPEND; |
return ROFF_IGN | ROFF_APPEND; |
} |
} |
|
|
/* Discard normal comments. */ |
/* Discard normal comments. */ |
Line 1260 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1343 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
|
|
expand_count = 0; |
expand_count = 0; |
while (stesc >= start) { |
while (stesc >= start) { |
|
if (*stesc != newesc) { |
|
|
/* Search backwards for the next backslash. */ |
/* |
|
* If we have a non-standard escape character, |
|
* escape literal backslashes because all |
|
* processing in subsequent functions uses |
|
* the standard escaping rules. |
|
*/ |
|
|
if (*stesc != r->escape) { |
if (newesc != ASCII_ESC && *stesc == '\\') { |
if (*stesc == '\\') { |
|
*stesc = '\0'; |
*stesc = '\0'; |
buf->sz = mandoc_asprintf(&nbuf, "%s\\e%s", |
buf->sz = mandoc_asprintf(&nbuf, "%s\\e%s", |
buf->buf, stesc + 1) + 1; |
buf->buf, stesc + 1) + 1; |
Line 1273 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1361 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
free(buf->buf); |
free(buf->buf); |
buf->buf = nbuf; |
buf->buf = nbuf; |
} |
} |
|
|
|
/* Search backwards for the next escape. */ |
|
|
stesc--; |
stesc--; |
continue; |
continue; |
} |
} |
Line 1294 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1385 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
if (done) |
if (done) |
continue; |
continue; |
else |
else |
return ROFF_APPEND; |
return ROFF_IGN | ROFF_APPEND; |
} |
} |
|
|
/* Decide whether to expand or to check only. */ |
/* Decide whether to expand or to check only. */ |
|
|
term = '\0'; |
term = '\0'; |
cp = stesc + 1; |
cp = stesc + 1; |
switch (*cp) { |
if (*cp == 'E') |
|
cp++; |
|
esct = cp; |
|
switch (*esct) { |
case '*': |
case '*': |
case '$': |
case '$': |
res = NULL; |
res = NULL; |
Line 1317 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1411 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
res = ubuf; |
res = ubuf; |
break; |
break; |
default: |
default: |
esc = mandoc_escape(&cp, &stnam, &inaml); |
err = MANDOCERR_OK; |
if (esc == ESCAPE_ERROR || |
switch(mandoc_escape(&cp, &stnam, &inaml)) { |
(esc == ESCAPE_SPECIAL && |
case ESCAPE_SPECIAL: |
mchars_spec2cp(stnam, inaml) < 0)) |
if (mchars_spec2cp(stnam, inaml) >= 0) |
mandoc_vmsg(MANDOCERR_ESC_BAD, |
break; |
r->parse, ln, (int)(stesc - buf->buf), |
/* FALLTHROUGH */ |
|
case ESCAPE_ERROR: |
|
err = MANDOCERR_ESC_BAD; |
|
break; |
|
case ESCAPE_UNDEF: |
|
err = MANDOCERR_ESC_UNDEF; |
|
break; |
|
case ESCAPE_UNSUPP: |
|
err = MANDOCERR_ESC_UNSUPP; |
|
break; |
|
default: |
|
break; |
|
} |
|
if (err != MANDOCERR_OK) |
|
mandoc_msg(err, ln, (int)(stesc - buf->buf), |
"%.*s", (int)(cp - stesc), stesc); |
"%.*s", (int)(cp - stesc), 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, |
ln, (int)(stesc - buf->buf), NULL); |
ln, (int)(stesc - buf->buf), NULL); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
Line 1370 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1478 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
arg_complete = 1; |
arg_complete = 1; |
while (maxl == 0 || naml < maxl) { |
while (maxl == 0 || naml < maxl) { |
if (*cp == '\0') { |
if (*cp == '\0') { |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
mandoc_msg(MANDOCERR_ESC_BAD, ln, |
ln, (int)(stesc - buf->buf), stesc); |
(int)(stesc - buf->buf), "%s", stesc); |
arg_complete = 0; |
arg_complete = 0; |
break; |
break; |
} |
} |
Line 1379 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1487 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
cp++; |
cp++; |
break; |
break; |
} |
} |
if (*cp++ != '\\' || stesc[1] != 'w') { |
if (*cp++ != '\\' || *esct != 'w') { |
naml++; |
naml++; |
continue; |
continue; |
} |
} |
Line 1387 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1495 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
case ESCAPE_SPECIAL: |
case ESCAPE_SPECIAL: |
case ESCAPE_UNICODE: |
case ESCAPE_UNICODE: |
case ESCAPE_NUMBERED: |
case ESCAPE_NUMBERED: |
|
case ESCAPE_UNDEF: |
case ESCAPE_OVERSTRIKE: |
case ESCAPE_OVERSTRIKE: |
naml++; |
naml++; |
break; |
break; |
Line 1400 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1509 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
* undefined, resume searching for escapes. |
* undefined, resume searching for escapes. |
*/ |
*/ |
|
|
switch (stesc[1]) { |
switch (*esct) { |
case '*': |
case '*': |
if (arg_complete) { |
if (arg_complete) { |
deftype = ROFFDEF_USER | ROFFDEF_PRE; |
deftype = ROFFDEF_USER | ROFFDEF_PRE; |
Line 1422 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1531 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
break; |
break; |
case '$': |
case '$': |
if (r->mstackpos < 0) { |
if (r->mstackpos < 0) { |
mandoc_vmsg(MANDOCERR_ARG_UNDEF, |
mandoc_msg(MANDOCERR_ARG_UNDEF, ln, |
r->parse, ln, (int)(stesc - buf->buf), |
(int)(stesc - buf->buf), "%.3s", stesc); |
"%.3s", stesc); |
|
break; |
break; |
} |
} |
ctx = r->mstack + r->mstackpos; |
ctx = r->mstack + r->mstackpos; |
npos = stesc[2] - '1'; |
npos = esct[1] - '1'; |
if (npos >= 0 && npos <= 8) { |
if (npos >= 0 && npos <= 8) { |
res = npos < ctx->argc ? |
res = npos < ctx->argc ? |
ctx->argv[npos] : ""; |
ctx->argv[npos] : ""; |
break; |
break; |
} |
} |
if (stesc[2] == '*') |
if (esct[1] == '*') |
quote_args = 0; |
quote_args = 0; |
else if (stesc[2] == '@') |
else if (esct[1] == '@') |
quote_args = 1; |
quote_args = 1; |
else { |
else { |
mandoc_vmsg(MANDOCERR_ARG_NONUM, |
mandoc_msg(MANDOCERR_ARG_NONUM, ln, |
r->parse, ln, (int)(stesc - buf->buf), |
(int)(stesc - buf->buf), "%.3s", stesc); |
"%.3s", stesc); |
|
break; |
break; |
} |
} |
asz = 0; |
asz = 0; |
Line 1499 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1606 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
} |
} |
|
|
if (res == NULL) { |
if (res == NULL) { |
if (stesc[1] == '*') |
if (*esct == '*') |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
mandoc_msg(MANDOCERR_STR_UNDEF, |
r->parse, ln, (int)(stesc - buf->buf), |
ln, (int)(stesc - buf->buf), |
"%.*s", (int)naml, stnam); |
"%.*s", (int)naml, stnam); |
res = ""; |
res = ""; |
} else if (buf->sz + strlen(res) > SHRT_MAX) { |
} else if (buf->sz + strlen(res) > SHRT_MAX) { |
mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, |
mandoc_msg(MANDOCERR_ROFFLOOP, |
ln, (int)(stesc - buf->buf), NULL); |
ln, (int)(stesc - buf->buf), NULL); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
Line 1527 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
Line 1634 roff_res(struct roff *r, struct buf *buf, int ln, int |
|
} |
} |
|
|
/* |
/* |
|
* Parse a quoted or unquoted roff-style request or macro argument. |
|
* Return a pointer to the parsed argument, which is either the original |
|
* pointer or advanced by one byte in case the argument is quoted. |
|
* NUL-terminate the argument in place. |
|
* Collapse pairs of quotes inside quoted arguments. |
|
* Advance the argument pointer to the next argument, |
|
* or to the NUL byte terminating the argument line. |
|
*/ |
|
char * |
|
roff_getarg(struct roff *r, char **cpp, int ln, int *pos) |
|
{ |
|
struct buf buf; |
|
char *cp, *start; |
|
int newesc, pairs, quoted, white; |
|
|
|
/* Quoting can only start with a new word. */ |
|
start = *cpp; |
|
quoted = 0; |
|
if ('"' == *start) { |
|
quoted = 1; |
|
start++; |
|
} |
|
|
|
newesc = pairs = white = 0; |
|
for (cp = start; '\0' != *cp; cp++) { |
|
|
|
/* |
|
* Move the following text left |
|
* after quoted quotes and after "\\" and "\t". |
|
*/ |
|
if (pairs) |
|
cp[-pairs] = cp[0]; |
|
|
|
if ('\\' == cp[0]) { |
|
/* |
|
* In copy mode, translate double to single |
|
* backslashes and backslash-t to literal tabs. |
|
*/ |
|
switch (cp[1]) { |
|
case 'a': |
|
case 't': |
|
cp[-pairs] = '\t'; |
|
pairs++; |
|
cp++; |
|
break; |
|
case '\\': |
|
newesc = 1; |
|
cp[-pairs] = ASCII_ESC; |
|
pairs++; |
|
cp++; |
|
break; |
|
case ' ': |
|
/* Skip escaped blanks. */ |
|
if (0 == quoted) |
|
cp++; |
|
break; |
|
default: |
|
break; |
|
} |
|
} else if (0 == quoted) { |
|
if (' ' == cp[0]) { |
|
/* Unescaped blanks end unquoted args. */ |
|
white = 1; |
|
break; |
|
} |
|
} else if ('"' == cp[0]) { |
|
if ('"' == cp[1]) { |
|
/* Quoted quotes collapse. */ |
|
pairs++; |
|
cp++; |
|
} else { |
|
/* Unquoted quotes end quoted args. */ |
|
quoted = 2; |
|
break; |
|
} |
|
} |
|
} |
|
|
|
/* Quoted argument without a closing quote. */ |
|
if (1 == quoted) |
|
mandoc_msg(MANDOCERR_ARG_QUOTE, ln, *pos, NULL); |
|
|
|
/* NUL-terminate this argument and move to the next one. */ |
|
if (pairs) |
|
cp[-pairs] = '\0'; |
|
if ('\0' != *cp) { |
|
*cp++ = '\0'; |
|
while (' ' == *cp) |
|
cp++; |
|
} |
|
*pos += (int)(cp - start) + (quoted ? 1 : 0); |
|
*cpp = cp; |
|
|
|
if ('\0' == *cp && (white || ' ' == cp[-1])) |
|
mandoc_msg(MANDOCERR_SPACE_EOL, ln, *pos, NULL); |
|
|
|
start = mandoc_strdup(start); |
|
if (newesc == 0) |
|
return start; |
|
|
|
buf.buf = start; |
|
buf.sz = strlen(start) + 1; |
|
buf.next = NULL; |
|
if (roff_expand(r, &buf, ln, 0, ASCII_ESC) & ROFF_IGN) { |
|
free(buf.buf); |
|
buf.buf = mandoc_strdup(""); |
|
} |
|
return buf.buf; |
|
} |
|
|
|
|
|
/* |
* Process text streams. |
* Process text streams. |
*/ |
*/ |
static enum rofferr |
static int |
roff_parsetext(struct roff *r, struct buf *buf, int pos, int *offs) |
roff_parsetext(struct roff *r, struct buf *buf, int pos, int *offs) |
{ |
{ |
size_t sz; |
size_t sz; |
Line 1595 roff_parsetext(struct roff *r, struct buf *buf, int po |
|
Line 1814 roff_parsetext(struct roff *r, struct buf *buf, int po |
|
return ROFF_CONT; |
return ROFF_CONT; |
} |
} |
|
|
enum rofferr |
int |
roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs) |
roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs) |
{ |
{ |
enum roff_tok t; |
enum roff_tok t; |
enum rofferr e; |
int e; |
int pos; /* parse point */ |
int pos; /* parse point */ |
int spos; /* saved parse point for messages */ |
int spos; /* saved parse point for messages */ |
int ppos; /* original offset in buf->buf */ |
int ppos; /* original offset in buf->buf */ |
Line 1620 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1839 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
|
|
/* Expand some escape sequences. */ |
/* Expand some escape sequences. */ |
|
|
e = roff_res(r, buf, ln, pos); |
e = roff_expand(r, buf, ln, pos, r->escape); |
if (e == ROFF_IGN || e == ROFF_APPEND) |
if ((e & ROFF_MASK) == ROFF_IGN) |
return e; |
return e; |
assert(e == ROFF_CONT); |
assert(e == ROFF_CONT); |
|
|
Line 1638 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1857 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
if (r->last != NULL && ! ctl) { |
if (r->last != NULL && ! ctl) { |
t = r->last->tok; |
t = r->last->tok; |
e = (*roffs[t].text)(r, t, buf, ln, pos, pos, offs); |
e = (*roffs[t].text)(r, t, buf, ln, pos, pos, offs); |
if (e == ROFF_IGN) |
if ((e & ROFF_MASK) == ROFF_IGN) |
return e; |
return e; |
assert(e == ROFF_CONT); |
e &= ~ROFF_MASK; |
} |
} else |
|
e = ROFF_IGN; |
if (r->eqn != NULL && strncmp(buf->buf + ppos, ".EN", 3)) { |
if (r->eqn != NULL && strncmp(buf->buf + ppos, ".EN", 3)) { |
eqn_read(r->eqn, buf->buf + ppos); |
eqn_read(r->eqn, buf->buf + ppos); |
return ROFF_IGN; |
return e; |
} |
} |
if (r->tbl != NULL && (ctl == 0 || buf->buf[pos] == '\0')) { |
if (r->tbl != NULL && (ctl == 0 || buf->buf[pos] == '\0')) { |
tbl_read(r->tbl, ln, buf->buf, ppos); |
tbl_read(r->tbl, ln, buf->buf, ppos); |
roff_addtbl(r->man, r->tbl); |
roff_addtbl(r->man, ln, r->tbl); |
return ROFF_IGN; |
return e; |
} |
} |
if ( ! ctl) |
if ( ! ctl) { |
return roff_parsetext(r, buf, pos, offs); |
r->options &= ~MPARSE_COMMENT; |
|
return roff_parsetext(r, buf, pos, offs) | e; |
|
} |
|
|
/* Skip empty request lines. */ |
/* Skip empty request lines. */ |
|
|
if (buf->buf[pos] == '"') { |
if (buf->buf[pos] == '"') { |
mandoc_msg(MANDOCERR_COMMENT_BAD, r->parse, |
mandoc_msg(MANDOCERR_COMMENT_BAD, ln, pos, NULL); |
ln, pos, NULL); |
|
return ROFF_IGN; |
return ROFF_IGN; |
} else if (buf->buf[pos] == '\0') |
} else if (buf->buf[pos] == '\0') |
return ROFF_IGN; |
return ROFF_IGN; |
Line 1676 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1897 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
|
|
/* No scope is open. This is a new request or macro. */ |
/* No scope is open. This is a new request or macro. */ |
|
|
|
r->options &= ~MPARSE_COMMENT; |
spos = pos; |
spos = pos; |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
|
|
Line 1683 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1905 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
|
|
if (r->tbl != NULL && (t == TOKEN_NONE || t == ROFF_TS || |
if (r->tbl != NULL && (t == TOKEN_NONE || t == ROFF_TS || |
t == ROFF_br || t == ROFF_ce || t == ROFF_rj || t == ROFF_sp)) { |
t == ROFF_br || t == ROFF_ce || t == ROFF_rj || t == ROFF_sp)) { |
mandoc_msg(MANDOCERR_TBLMACRO, r->parse, |
mandoc_msg(MANDOCERR_TBLMACRO, |
ln, pos, buf->buf + spos); |
ln, pos, "%s", buf->buf + spos); |
if (t != TOKEN_NONE) |
if (t != TOKEN_NONE) |
return ROFF_IGN; |
return ROFF_IGN; |
while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ') |
while (buf->buf[pos] != '\0' && buf->buf[pos] != ' ') |
Line 1692 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
Line 1914 roff_parseln(struct roff *r, int ln, struct buf *buf, |
|
while (buf->buf[pos] == ' ') |
while (buf->buf[pos] == ' ') |
pos++; |
pos++; |
tbl_read(r->tbl, ln, buf->buf, pos); |
tbl_read(r->tbl, ln, buf->buf, pos); |
roff_addtbl(r->man, r->tbl); |
roff_addtbl(r->man, ln, r->tbl); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
|
|
roff_endparse(struct roff *r) |
roff_endparse(struct roff *r) |
{ |
{ |
if (r->last != NULL) |
if (r->last != NULL) |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, r->last->line, |
r->last->line, r->last->col, |
r->last->col, "%s", roff_name[r->last->tok]); |
roff_name[r->last->tok]); |
|
|
|
if (r->eqn != NULL) { |
if (r->eqn != NULL) { |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOEND, |
r->eqn->node->line, r->eqn->node->pos, "EQ"); |
r->eqn->node->line, r->eqn->node->pos, "EQ"); |
eqn_parse(r->eqn); |
eqn_parse(r->eqn); |
r->eqn = NULL; |
r->eqn = NULL; |
} |
} |
|
|
if (r->tbl != NULL) { |
if (r->tbl != NULL) { |
mandoc_msg(MANDOCERR_BLK_NOEND, r->parse, |
tbl_end(r->tbl, 1); |
r->tbl->line, r->tbl->pos, "TS"); |
|
tbl_end(r->tbl); |
|
r->tbl = NULL; |
r->tbl = NULL; |
} |
} |
} |
} |
Line 1808 roff_parse(struct roff *r, char *buf, int *pos, int ln |
|
Line 2027 roff_parse(struct roff *r, char *buf, int *pos, int ln |
|
|
|
/* --- handling of request blocks ----------------------------------------- */ |
/* --- handling of request blocks ----------------------------------------- */ |
|
|
static enum rofferr |
static int |
roff_cblock(ROFF_ARGS) |
roff_cblock(ROFF_ARGS) |
{ |
{ |
|
|
Line 1818 roff_cblock(ROFF_ARGS) |
|
Line 2037 roff_cblock(ROFF_ARGS) |
|
*/ |
*/ |
|
|
if (r->last == NULL) { |
if (r->last == NULL) { |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, ".."); |
ln, ppos, ".."); |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
Line 1833 roff_cblock(ROFF_ARGS) |
|
Line 2051 roff_cblock(ROFF_ARGS) |
|
case ROFF_ig: |
case ROFF_ig: |
break; |
break; |
default: |
default: |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, ".."); |
ln, ppos, ".."); |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
if (buf->buf[pos] != '\0') |
if (buf->buf[pos] != '\0') |
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
mandoc_msg(MANDOCERR_ARG_SKIP, ln, pos, |
".. %s", buf->buf + pos); |
".. %s", buf->buf + pos); |
|
|
roffnode_pop(r); |
roffnode_pop(r); |
Line 1848 roff_cblock(ROFF_ARGS) |
|
Line 2065 roff_cblock(ROFF_ARGS) |
|
|
|
} |
} |
|
|
static void |
/* |
|
* Pop all nodes ending at the end of the current input line. |
|
* Return the number of loops ended. |
|
*/ |
|
static int |
roffnode_cleanscope(struct roff *r) |
roffnode_cleanscope(struct roff *r) |
{ |
{ |
|
int inloop; |
|
|
while (r->last) { |
inloop = 0; |
|
while (r->last != NULL) { |
if (--r->last->endspan != 0) |
if (--r->last->endspan != 0) |
break; |
break; |
roffnode_pop(r); |
inloop += roffnode_pop(r); |
} |
} |
|
return inloop; |
} |
} |
|
|
static void |
/* |
|
* Handle the closing \} of a conditional block. |
|
* Apart from generating warnings, this only pops nodes. |
|
* Return the number of loops ended. |
|
*/ |
|
static int |
roff_ccond(struct roff *r, int ln, int ppos) |
roff_ccond(struct roff *r, int ln, int ppos) |
{ |
{ |
|
|
if (NULL == r->last) { |
if (NULL == r->last) { |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "\\}"); |
ln, ppos, "\\}"); |
return 0; |
return; |
|
} |
} |
|
|
switch (r->last->tok) { |
switch (r->last->tok) { |
case ROFF_el: |
case ROFF_el: |
case ROFF_ie: |
case ROFF_ie: |
case ROFF_if: |
case ROFF_if: |
|
case ROFF_while: |
break; |
break; |
default: |
default: |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "\\}"); |
ln, ppos, "\\}"); |
return 0; |
return; |
|
} |
} |
|
|
if (r->last->endspan > -1) { |
if (r->last->endspan > -1) { |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "\\}"); |
ln, ppos, "\\}"); |
return 0; |
return; |
|
} |
} |
|
|
roffnode_pop(r); |
return roffnode_pop(r) + roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
|
return; |
|
} |
} |
|
|
static enum rofferr |
static int |
roff_block(ROFF_ARGS) |
roff_block(ROFF_ARGS) |
{ |
{ |
const char *name, *value; |
const char *name, *value; |
Line 1928 roff_block(ROFF_ARGS) |
|
Line 2152 roff_block(ROFF_ARGS) |
|
deftype = ROFFDEF_USER; |
deftype = ROFFDEF_USER; |
name = roff_getstrn(r, iname, namesz, &deftype); |
name = roff_getstrn(r, iname, namesz, &deftype); |
if (name == NULL) { |
if (name == NULL) { |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
mandoc_msg(MANDOCERR_STR_UNDEF, |
r->parse, ln, (int)(iname - buf->buf), |
ln, (int)(iname - buf->buf), |
"%.*s", (int)namesz, iname); |
"%.*s", (int)namesz, iname); |
namesz = 0; |
namesz = 0; |
} else |
} else |
Line 1938 roff_block(ROFF_ARGS) |
|
Line 2162 roff_block(ROFF_ARGS) |
|
name = iname; |
name = iname; |
|
|
if (namesz == 0 && tok != ROFF_ig) { |
if (namesz == 0 && tok != ROFF_ig) { |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, |
mandoc_msg(MANDOCERR_REQ_EMPTY, |
ln, ppos, roff_name[tok]); |
ln, ppos, "%s", roff_name[tok]); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
Line 1997 roff_block(ROFF_ARGS) |
|
Line 2221 roff_block(ROFF_ARGS) |
|
deftype = ROFFDEF_USER; |
deftype = ROFFDEF_USER; |
name = roff_getstrn(r, iname, namesz, &deftype); |
name = roff_getstrn(r, iname, namesz, &deftype); |
if (name == NULL) { |
if (name == NULL) { |
mandoc_vmsg(MANDOCERR_STR_UNDEF, |
mandoc_msg(MANDOCERR_STR_UNDEF, |
r->parse, ln, (int)(iname - buf->buf), |
ln, (int)(iname - buf->buf), |
"%.*s", (int)namesz, iname); |
"%.*s", (int)namesz, iname); |
namesz = 0; |
namesz = 0; |
} else |
} else |
Line 2010 roff_block(ROFF_ARGS) |
|
Line 2234 roff_block(ROFF_ARGS) |
|
r->last->end = mandoc_strndup(name, namesz); |
r->last->end = mandoc_strndup(name, namesz); |
|
|
if (*cp != '\0') |
if (*cp != '\0') |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
mandoc_msg(MANDOCERR_ARG_EXCESS, |
ln, pos, ".%s ... %s", roff_name[tok], cp); |
ln, pos, ".%s ... %s", roff_name[tok], cp); |
|
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_block_sub(ROFF_ARGS) |
roff_block_sub(ROFF_ARGS) |
{ |
{ |
enum roff_tok t; |
enum roff_tok t; |
Line 2070 roff_block_sub(ROFF_ARGS) |
|
Line 2294 roff_block_sub(ROFF_ARGS) |
|
return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
return (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
} |
} |
|
|
static enum rofferr |
static int |
roff_block_text(ROFF_ARGS) |
roff_block_text(ROFF_ARGS) |
{ |
{ |
|
|
Line 2080 roff_block_text(ROFF_ARGS) |
|
Line 2304 roff_block_text(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_cond_sub(ROFF_ARGS) |
roff_cond_sub(ROFF_ARGS) |
{ |
{ |
enum roff_tok t; |
struct roffnode *bl; |
char *ep; |
char *ep; |
int rr; |
int endloop, irc, rr; |
|
enum roff_tok t; |
|
|
|
irc = ROFF_IGN; |
rr = r->last->rule; |
rr = r->last->rule; |
roffnode_cleanscope(r); |
endloop = tok != ROFF_while ? ROFF_IGN : |
|
rr ? ROFF_LOOPCONT : ROFF_LOOPEXIT; |
|
if (roffnode_cleanscope(r)) |
|
irc |= endloop; |
|
|
/* |
/* |
* If `\}' occurs on a macro line without a preceding macro, |
* If `\}' occurs on a macro line without a preceding macro, |
Line 2099 roff_cond_sub(ROFF_ARGS) |
|
Line 2328 roff_cond_sub(ROFF_ARGS) |
|
if (ep[0] == '\\' && ep[1] == '}') |
if (ep[0] == '\\' && ep[1] == '}') |
rr = 0; |
rr = 0; |
|
|
/* Always check for the closing delimiter `\}'. */ |
/* |
|
* The closing delimiter `\}' rewinds the conditional scope |
|
* but is otherwise ignored when interpreting the line. |
|
*/ |
|
|
while ((ep = strchr(ep, '\\')) != NULL) { |
while ((ep = strchr(ep, '\\')) != NULL) { |
switch (ep[1]) { |
switch (ep[1]) { |
case '}': |
case '}': |
memmove(ep, ep + 2, strlen(ep + 2) + 1); |
memmove(ep, ep + 2, strlen(ep + 2) + 1); |
roff_ccond(r, ln, ep - buf->buf); |
if (roff_ccond(r, ln, ep - buf->buf)) |
|
irc |= endloop; |
break; |
break; |
case '\0': |
case '\0': |
++ep; |
++ep; |
Line 2116 roff_cond_sub(ROFF_ARGS) |
|
Line 2349 roff_cond_sub(ROFF_ARGS) |
|
} |
} |
} |
} |
|
|
|
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
|
|
|
/* For now, let high level macros abort .ce mode. */ |
|
|
|
if (roffce_node != NULL && |
|
(t == TOKEN_NONE || t == ROFF_Dd || t == ROFF_EQ || |
|
t == ROFF_TH || t == ROFF_TS)) { |
|
r->man->last = roffce_node; |
|
r->man->next = ROFF_NEXT_SIBLING; |
|
roffce_lines = 0; |
|
roffce_node = NULL; |
|
} |
|
|
/* |
/* |
* Fully handle known macros when they are structurally |
* Fully handle known macros when they are structurally |
* required or when the conditional evaluated to true. |
* required or when the conditional evaluated to true. |
*/ |
*/ |
|
|
t = roff_parse(r, buf->buf, &pos, ln, ppos); |
if (t == ROFF_break) { |
return t != TOKEN_NONE && (rr || roffs[t].flags & ROFFMAC_STRUCT) |
if (irc & ROFF_LOOPMASK) |
? (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs) : rr |
irc = ROFF_IGN | ROFF_LOOPEXIT; |
? ROFF_CONT : ROFF_IGN; |
else if (rr) { |
|
for (bl = r->last; bl != NULL; bl = bl->parent) { |
|
bl->rule = 0; |
|
if (bl->tok == ROFF_while) |
|
break; |
|
} |
|
} |
|
} else if (t != TOKEN_NONE && |
|
(rr || roffs[t].flags & ROFFMAC_STRUCT)) |
|
irc |= (*roffs[t].proc)(r, t, buf, ln, ppos, pos, offs); |
|
else |
|
irc |= rr ? ROFF_CONT : ROFF_IGN; |
|
return irc; |
} |
} |
|
|
static enum rofferr |
static int |
roff_cond_text(ROFF_ARGS) |
roff_cond_text(ROFF_ARGS) |
{ |
{ |
char *ep; |
char *ep; |
int rr; |
int endloop, irc, rr; |
|
|
|
irc = ROFF_IGN; |
rr = r->last->rule; |
rr = r->last->rule; |
roffnode_cleanscope(r); |
endloop = tok != ROFF_while ? ROFF_IGN : |
|
rr ? ROFF_LOOPCONT : ROFF_LOOPEXIT; |
|
if (roffnode_cleanscope(r)) |
|
irc |= endloop; |
|
|
|
/* |
|
* If `\}' occurs on a text line with neither preceding |
|
* nor following characters, drop the line completely. |
|
*/ |
|
|
ep = buf->buf + pos; |
ep = buf->buf + pos; |
|
if (strcmp(ep, "\\}") == 0) |
|
rr = 0; |
|
|
|
/* |
|
* The closing delimiter `\}' rewinds the conditional scope |
|
* but is otherwise ignored when interpreting the line. |
|
*/ |
|
|
while ((ep = strchr(ep, '\\')) != NULL) { |
while ((ep = strchr(ep, '\\')) != NULL) { |
if (*(++ep) == '}') { |
switch (ep[1]) { |
*ep = '&'; |
case '}': |
roff_ccond(r, ln, ep - buf->buf - 1); |
memmove(ep, ep + 2, strlen(ep + 2) + 1); |
} |
if (roff_ccond(r, ln, ep - buf->buf)) |
if (*ep != '\0') |
irc |= endloop; |
|
break; |
|
case '\0': |
++ep; |
++ep; |
|
break; |
|
default: |
|
ep += 2; |
|
break; |
|
} |
} |
} |
return rr ? ROFF_CONT : ROFF_IGN; |
if (rr) |
|
irc |= ROFF_CONT; |
|
return irc; |
} |
} |
|
|
/* --- handling of numeric and conditional expressions -------------------- */ |
/* --- handling of numeric and conditional expressions -------------------- */ |
Line 2350 roff_evalcond(struct roff *r, int ln, char *v, int *po |
|
Line 2634 roff_evalcond(struct roff *r, int ln, char *v, int *po |
|
roff_getstrn(r, name, sz, &deftype); |
roff_getstrn(r, name, sz, &deftype); |
istrue = !!deftype; |
istrue = !!deftype; |
} |
} |
*pos = cp - v; |
*pos = (name + sz) - v; |
return istrue == wanttrue; |
return istrue == wanttrue; |
default: |
default: |
break; |
break; |
Line 2365 roff_evalcond(struct roff *r, int ln, char *v, int *po |
|
Line 2649 roff_evalcond(struct roff *r, int ln, char *v, int *po |
|
return 0; |
return 0; |
} |
} |
|
|
static enum rofferr |
static int |
roff_line_ignore(ROFF_ARGS) |
roff_line_ignore(ROFF_ARGS) |
{ |
{ |
|
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_insec(ROFF_ARGS) |
roff_insec(ROFF_ARGS) |
{ |
{ |
|
|
mandoc_msg(MANDOCERR_REQ_INSEC, r->parse, |
mandoc_msg(MANDOCERR_REQ_INSEC, ln, ppos, "%s", roff_name[tok]); |
ln, ppos, roff_name[tok]); |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_unsupp(ROFF_ARGS) |
roff_unsupp(ROFF_ARGS) |
{ |
{ |
|
|
mandoc_msg(MANDOCERR_REQ_UNSUPP, r->parse, |
mandoc_msg(MANDOCERR_REQ_UNSUPP, ln, ppos, "%s", roff_name[tok]); |
ln, ppos, roff_name[tok]); |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_cond(ROFF_ARGS) |
roff_cond(ROFF_ARGS) |
{ |
{ |
|
int irc; |
|
|
roffnode_push(r, tok, NULL, ln, ppos); |
roffnode_push(r, tok, NULL, ln, ppos); |
|
|
Line 2431 roff_cond(ROFF_ARGS) |
|
Line 2714 roff_cond(ROFF_ARGS) |
|
* Determine scope. |
* Determine scope. |
* If there is nothing on the line after the conditional, |
* If there is nothing on the line after the conditional, |
* not even whitespace, use next-line scope. |
* not even whitespace, use next-line scope. |
|
* Except that .while does not support next-line scope. |
*/ |
*/ |
|
|
if (buf->buf[pos] == '\0') { |
if (buf->buf[pos] == '\0' && tok != ROFF_while) { |
r->last->endspan = 2; |
r->last->endspan = 2; |
goto out; |
goto out; |
} |
} |
Line 2458 roff_cond(ROFF_ARGS) |
|
Line 2742 roff_cond(ROFF_ARGS) |
|
*/ |
*/ |
|
|
if (buf->buf[pos] == '\0') |
if (buf->buf[pos] == '\0') |
mandoc_msg(MANDOCERR_COND_EMPTY, r->parse, |
mandoc_msg(MANDOCERR_COND_EMPTY, |
ln, ppos, roff_name[tok]); |
ln, ppos, "%s", roff_name[tok]); |
|
|
r->last->endspan = 1; |
r->last->endspan = 1; |
|
|
out: |
out: |
*offs = pos; |
*offs = pos; |
return ROFF_RERUN; |
irc = ROFF_RERUN; |
|
if (tok == ROFF_while) |
|
irc |= ROFF_WHILE; |
|
return irc; |
} |
} |
|
|
static enum rofferr |
static int |
roff_ds(ROFF_ARGS) |
roff_ds(ROFF_ARGS) |
{ |
{ |
char *string; |
char *string; |
Line 2493 roff_ds(ROFF_ARGS) |
|
Line 2780 roff_ds(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
|
|
namesz = roff_getname(r, &string, ln, pos); |
namesz = roff_getname(r, &string, ln, pos); |
if (name[namesz] == '\\') |
switch (name[namesz]) { |
|
case '\\': |
return ROFF_IGN; |
return ROFF_IGN; |
|
case '\t': |
|
string = buf->buf + pos + namesz; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
/* Read past the initial double-quote, if any. */ |
/* Read past the initial double-quote, if any. */ |
if (*string == '"') |
if (*string == '"') |
Line 2659 roff_evalnum(struct roff *r, int ln, const char *v, |
|
Line 2953 roff_evalnum(struct roff *r, int ln, const char *v, |
|
case '/': |
case '/': |
if (operand2 == 0) { |
if (operand2 == 0) { |
mandoc_msg(MANDOCERR_DIVZERO, |
mandoc_msg(MANDOCERR_DIVZERO, |
r->parse, ln, *pos, v); |
ln, *pos, "%s", v); |
*res = 0; |
*res = 0; |
break; |
break; |
} |
} |
Line 2668 roff_evalnum(struct roff *r, int ln, const char *v, |
|
Line 2962 roff_evalnum(struct roff *r, int ln, const char *v, |
|
case '%': |
case '%': |
if (operand2 == 0) { |
if (operand2 == 0) { |
mandoc_msg(MANDOCERR_DIVZERO, |
mandoc_msg(MANDOCERR_DIVZERO, |
r->parse, ln, *pos, v); |
ln, *pos, "%s", v); |
*res = 0; |
*res = 0; |
break; |
break; |
} |
} |
Line 2857 roff_freereg(struct roffreg *reg) |
|
Line 3151 roff_freereg(struct roffreg *reg) |
|
} |
} |
} |
} |
|
|
static enum rofferr |
static int |
roff_nr(ROFF_ARGS) |
roff_nr(ROFF_ARGS) |
{ |
{ |
char *key, *val, *step; |
char *key, *val, *step; |
Line 2870 roff_nr(ROFF_ARGS) |
|
Line 3164 roff_nr(ROFF_ARGS) |
|
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] == '\\' || key[keysz] == '\t') |
return ROFF_IGN; |
return ROFF_IGN; |
|
|
sign = *val; |
sign = *val; |
Line 2891 roff_nr(ROFF_ARGS) |
|
Line 3185 roff_nr(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_rr(ROFF_ARGS) |
roff_rr(ROFF_ARGS) |
{ |
{ |
struct roffreg *reg, **prev; |
struct roffreg *reg, **prev; |
Line 2921 roff_rr(ROFF_ARGS) |
|
Line 3215 roff_rr(ROFF_ARGS) |
|
|
|
/* --- handler functions for roff requests -------------------------------- */ |
/* --- handler functions for roff requests -------------------------------- */ |
|
|
static enum rofferr |
static int |
roff_rm(ROFF_ARGS) |
roff_rm(ROFF_ARGS) |
{ |
{ |
const char *name; |
const char *name; |
Line 2934 roff_rm(ROFF_ARGS) |
|
Line 3228 roff_rm(ROFF_ARGS) |
|
namesz = roff_getname(r, &cp, ln, (int)(cp - buf->buf)); |
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); |
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); |
roff_setstrn(&r->rentab, name, namesz, NULL, 0, 0); |
if (name[namesz] == '\\') |
if (name[namesz] == '\\' || name[namesz] == '\t') |
break; |
break; |
} |
} |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_it(ROFF_ARGS) |
roff_it(ROFF_ARGS) |
{ |
{ |
int iv; |
int iv; |
Line 2948 roff_it(ROFF_ARGS) |
|
Line 3242 roff_it(ROFF_ARGS) |
|
/* Parse the number of lines. */ |
/* Parse the number of lines. */ |
|
|
if ( ! roff_evalnum(r, ln, buf->buf, &pos, &iv, 0)) { |
if ( ! roff_evalnum(r, ln, buf->buf, &pos, &iv, 0)) { |
mandoc_msg(MANDOCERR_IT_NONUM, r->parse, |
mandoc_msg(MANDOCERR_IT_NONUM, |
ln, ppos, buf->buf + 1); |
ln, ppos, "%s", buf->buf + 1); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
Line 2969 roff_it(ROFF_ARGS) |
|
Line 3263 roff_it(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_Dd(ROFF_ARGS) |
roff_Dd(ROFF_ARGS) |
{ |
{ |
int mask; |
int mask; |
Line 2999 roff_Dd(ROFF_ARGS) |
|
Line 3293 roff_Dd(ROFF_ARGS) |
|
return ROFF_CONT; |
return ROFF_CONT; |
} |
} |
|
|
static enum rofferr |
static int |
roff_TE(ROFF_ARGS) |
roff_TE(ROFF_ARGS) |
{ |
{ |
|
r->man->flags &= ~ROFF_NONOFILL; |
if (r->tbl == NULL) { |
if (r->tbl == NULL) { |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "TE"); |
ln, ppos, "TE"); |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
if (tbl_end(r->tbl) == 0) { |
if (tbl_end(r->tbl, 0) == 0) { |
r->tbl = NULL; |
r->tbl = NULL; |
free(buf->buf); |
free(buf->buf); |
buf->buf = mandoc_strdup(".sp"); |
buf->buf = mandoc_strdup(".sp"); |
Line 3019 roff_TE(ROFF_ARGS) |
|
Line 3313 roff_TE(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_T_(ROFF_ARGS) |
roff_T_(ROFF_ARGS) |
{ |
{ |
|
|
if (NULL == r->tbl) |
if (NULL == r->tbl) |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "T&"); |
ln, ppos, "T&"); |
|
else |
else |
tbl_restart(ln, ppos, r->tbl); |
tbl_restart(ln, ppos, r->tbl); |
|
|
Line 3035 roff_T_(ROFF_ARGS) |
|
Line 3328 roff_T_(ROFF_ARGS) |
|
/* |
/* |
* Handle in-line equation delimiters. |
* Handle in-line equation delimiters. |
*/ |
*/ |
static enum rofferr |
static int |
roff_eqndelim(struct roff *r, struct buf *buf, int pos) |
roff_eqndelim(struct roff *r, struct buf *buf, int pos) |
{ |
{ |
char *cp1, *cp2; |
char *cp1, *cp2; |
Line 3098 roff_eqndelim(struct roff *r, struct buf *buf, int pos |
|
Line 3391 roff_eqndelim(struct roff *r, struct buf *buf, int pos |
|
return ROFF_REPARSE; |
return ROFF_REPARSE; |
} |
} |
|
|
static enum rofferr |
static int |
roff_EQ(ROFF_ARGS) |
roff_EQ(ROFF_ARGS) |
{ |
{ |
struct roff_node *n; |
struct roff_node *n; |
|
|
if (r->man->macroset == MACROSET_MAN) |
if (r->man->meta.macroset == MACROSET_MAN) |
man_breakscope(r->man, ROFF_EQ); |
man_breakscope(r->man, ROFF_EQ); |
n = roff_node_alloc(r->man, ln, ppos, ROFFT_EQN, TOKEN_NONE); |
n = roff_node_alloc(r->man, ln, ppos, ROFFT_EQN, TOKEN_NONE); |
if (ln > r->man->last->line) |
if (ln > r->man->last->line) |
n->flags |= NODE_LINE; |
n->flags |= NODE_LINE; |
n->eqn = mandoc_calloc(1, sizeof(*n->eqn)); |
n->eqn = eqn_box_new(); |
n->eqn->expectargs = UINT_MAX; |
|
roff_node_append(r->man, n); |
roff_node_append(r->man, n); |
r->man->next = ROFF_NEXT_SIBLING; |
r->man->next = ROFF_NEXT_SIBLING; |
|
|
assert(r->eqn == NULL); |
assert(r->eqn == NULL); |
if (r->last_eqn == NULL) |
if (r->last_eqn == NULL) |
r->last_eqn = eqn_alloc(r->parse); |
r->last_eqn = eqn_alloc(); |
else |
else |
eqn_reset(r->last_eqn); |
eqn_reset(r->last_eqn); |
r->eqn = r->last_eqn; |
r->eqn = r->last_eqn; |
r->eqn->node = n; |
r->eqn->node = n; |
|
|
if (buf->buf[pos] != '\0') |
if (buf->buf[pos] != '\0') |
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
mandoc_msg(MANDOCERR_ARG_SKIP, ln, pos, |
".EQ %s", buf->buf + pos); |
".EQ %s", buf->buf + pos); |
|
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_EN(ROFF_ARGS) |
roff_EN(ROFF_ARGS) |
{ |
{ |
if (r->eqn != NULL) { |
if (r->eqn != NULL) { |
eqn_parse(r->eqn); |
eqn_parse(r->eqn); |
r->eqn = NULL; |
r->eqn = NULL; |
} else |
} else |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, r->parse, ln, ppos, "EN"); |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, ppos, "EN"); |
if (buf->buf[pos] != '\0') |
if (buf->buf[pos] != '\0') |
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, ln, pos, |
mandoc_msg(MANDOCERR_ARG_SKIP, ln, pos, |
"EN %s", buf->buf + pos); |
"EN %s", buf->buf + pos); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_TS(ROFF_ARGS) |
roff_TS(ROFF_ARGS) |
{ |
{ |
if (r->tbl != NULL) { |
if (r->tbl != NULL) { |
mandoc_msg(MANDOCERR_BLK_BROKEN, r->parse, |
mandoc_msg(MANDOCERR_BLK_BROKEN, ln, ppos, "TS breaks TS"); |
ln, ppos, "TS breaks TS"); |
tbl_end(r->tbl, 0); |
tbl_end(r->tbl); |
|
} |
} |
r->tbl = tbl_alloc(ppos, ln, r->parse); |
r->man->flags |= ROFF_NONOFILL; |
if (r->last_tbl) |
r->tbl = tbl_alloc(ppos, ln, r->last_tbl); |
r->last_tbl->next = r->tbl; |
if (r->last_tbl == NULL) |
else |
|
r->first_tbl = r->tbl; |
r->first_tbl = r->tbl; |
r->last_tbl = r->tbl; |
r->last_tbl = r->tbl; |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
|
roff_noarg(ROFF_ARGS) |
|
{ |
|
if (r->man->flags & (MAN_BLINE | MAN_ELINE)) |
|
man_breakscope(r->man, tok); |
|
if (tok == ROFF_brp) |
|
tok = ROFF_br; |
|
roff_elem_alloc(r->man, ln, ppos, tok); |
|
if (buf->buf[pos] != '\0') |
|
mandoc_msg(MANDOCERR_ARG_SKIP, ln, pos, |
|
"%s %s", roff_name[tok], buf->buf + pos); |
|
if (tok == ROFF_nf) |
|
r->man->flags |= ROFF_NOFILL; |
|
else if (tok == ROFF_fi) |
|
r->man->flags &= ~ROFF_NOFILL; |
|
r->man->last->flags |= NODE_LINE | NODE_VALID | NODE_ENDED; |
|
r->man->next = ROFF_NEXT_SIBLING; |
|
return ROFF_IGN; |
|
} |
|
|
|
static int |
roff_onearg(ROFF_ARGS) |
roff_onearg(ROFF_ARGS) |
{ |
{ |
struct roff_node *n; |
struct roff_node *n; |
Line 3186 roff_onearg(ROFF_ARGS) |
|
Line 3496 roff_onearg(ROFF_ARGS) |
|
while (*cp == ' ') |
while (*cp == ' ') |
*cp++ = '\0'; |
*cp++ = '\0'; |
if (*cp != '\0') |
if (*cp != '\0') |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, |
mandoc_msg(MANDOCERR_ARG_EXCESS, |
r->parse, ln, cp - buf->buf, |
ln, (int)(cp - buf->buf), |
"%s ... %s", roff_name[tok], cp); |
"%s ... %s", roff_name[tok], cp); |
roff_word_alloc(r->man, ln, pos, buf->buf + pos); |
roff_word_alloc(r->man, ln, pos, buf->buf + pos); |
} |
} |
Line 3200 roff_onearg(ROFF_ARGS) |
|
Line 3510 roff_onearg(ROFF_ARGS) |
|
npos = 0; |
npos = 0; |
if (roff_evalnum(r, ln, r->man->last->string, &npos, |
if (roff_evalnum(r, ln, r->man->last->string, &npos, |
&roffce_lines, 0) == 0) { |
&roffce_lines, 0) == 0) { |
mandoc_vmsg(MANDOCERR_CE_NONUM, |
mandoc_msg(MANDOCERR_CE_NONUM, |
r->parse, ln, pos, "ce %s", buf->buf + pos); |
ln, pos, "ce %s", buf->buf + pos); |
roffce_lines = 1; |
roffce_lines = 1; |
} |
} |
if (roffce_lines < 1) { |
if (roffce_lines < 1) { |
Line 3219 roff_onearg(ROFF_ARGS) |
|
Line 3529 roff_onearg(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_manyarg(ROFF_ARGS) |
roff_manyarg(ROFF_ARGS) |
{ |
{ |
struct roff_node *n; |
struct roff_node *n; |
Line 3242 roff_manyarg(ROFF_ARGS) |
|
Line 3552 roff_manyarg(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_als(ROFF_ARGS) |
roff_als(ROFF_ARGS) |
{ |
{ |
char *oldn, *newn, *end, *value; |
char *oldn, *newn, *end, *value; |
Line 3253 roff_als(ROFF_ARGS) |
|
Line 3563 roff_als(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
|
|
newsz = roff_getname(r, &oldn, ln, pos); |
newsz = roff_getname(r, &oldn, ln, pos); |
if (newn[newsz] == '\\' || *oldn == '\0') |
if (newn[newsz] == '\\' || newn[newsz] == '\t' || *oldn == '\0') |
return ROFF_IGN; |
return ROFF_IGN; |
|
|
end = oldn; |
end = oldn; |
Line 3269 roff_als(ROFF_ARGS) |
|
Line 3579 roff_als(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
/* |
roff_br(ROFF_ARGS) |
* The .break request only makes sense inside conditionals, |
|
* and that case is already handled in roff_cond_sub(). |
|
*/ |
|
static int |
|
roff_break(ROFF_ARGS) |
{ |
{ |
if (r->man->flags & (MAN_BLINE | MAN_ELINE)) |
mandoc_msg(MANDOCERR_BLK_NOTOPEN, ln, pos, "break"); |
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; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_cc(ROFF_ARGS) |
roff_cc(ROFF_ARGS) |
{ |
{ |
const char *p; |
const char *p; |
Line 3294 roff_cc(ROFF_ARGS) |
|
Line 3601 roff_cc(ROFF_ARGS) |
|
r->control = '\0'; |
r->control = '\0'; |
|
|
if (*p != '\0') |
if (*p != '\0') |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
mandoc_msg(MANDOCERR_ARG_EXCESS, |
ln, p - buf->buf, "cc ... %s", p); |
ln, p - buf->buf, "cc ... %s", p); |
|
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
|
roff_char(ROFF_ARGS) |
|
{ |
|
const char *p, *kp, *vp; |
|
size_t ksz, vsz; |
|
int font; |
|
|
|
/* Parse the character to be replaced. */ |
|
|
|
kp = buf->buf + pos; |
|
p = kp + 1; |
|
if (*kp == '\0' || (*kp == '\\' && |
|
mandoc_escape(&p, NULL, NULL) != ESCAPE_SPECIAL) || |
|
(*p != ' ' && *p != '\0')) { |
|
mandoc_msg(MANDOCERR_CHAR_ARG, ln, pos, "char %s", kp); |
|
return ROFF_IGN; |
|
} |
|
ksz = p - kp; |
|
while (*p == ' ') |
|
p++; |
|
|
|
/* |
|
* If the replacement string contains a font escape sequence, |
|
* we have to restore the font at the end. |
|
*/ |
|
|
|
vp = p; |
|
vsz = strlen(p); |
|
font = 0; |
|
while (*p != '\0') { |
|
if (*p++ != '\\') |
|
continue; |
|
switch (mandoc_escape(&p, NULL, NULL)) { |
|
case ESCAPE_FONT: |
|
case ESCAPE_FONTROMAN: |
|
case ESCAPE_FONTITALIC: |
|
case ESCAPE_FONTBOLD: |
|
case ESCAPE_FONTBI: |
|
case ESCAPE_FONTCW: |
|
case ESCAPE_FONTPREV: |
|
font++; |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
if (font > 1) |
|
mandoc_msg(MANDOCERR_CHAR_FONT, |
|
ln, (int)(vp - buf->buf), "%s", vp); |
|
|
|
/* |
|
* Approximate the effect of .char using the .tr tables. |
|
* XXX In groff, .char and .tr interact differently. |
|
*/ |
|
|
|
if (ksz == 1) { |
|
if (r->xtab == NULL) |
|
r->xtab = mandoc_calloc(128, sizeof(*r->xtab)); |
|
assert((unsigned int)*kp < 128); |
|
free(r->xtab[(int)*kp].p); |
|
r->xtab[(int)*kp].sz = mandoc_asprintf(&r->xtab[(int)*kp].p, |
|
"%s%s", vp, font ? "\fP" : ""); |
|
} else { |
|
roff_setstrn(&r->xmbtab, kp, ksz, vp, vsz, 0); |
|
if (font) |
|
roff_setstrn(&r->xmbtab, kp, ksz, "\\fP", 3, 1); |
|
} |
|
return ROFF_IGN; |
|
} |
|
|
|
static int |
roff_ec(ROFF_ARGS) |
roff_ec(ROFF_ARGS) |
{ |
{ |
const char *p; |
const char *p; |
Line 3311 roff_ec(ROFF_ARGS) |
|
Line 3688 roff_ec(ROFF_ARGS) |
|
else { |
else { |
r->escape = *p; |
r->escape = *p; |
if (*++p != '\0') |
if (*++p != '\0') |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, r->parse, |
mandoc_msg(MANDOCERR_ARG_EXCESS, ln, |
ln, p - buf->buf, "ec ... %s", p); |
(int)(p - buf->buf), "ec ... %s", p); |
} |
} |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_eo(ROFF_ARGS) |
roff_eo(ROFF_ARGS) |
{ |
{ |
r->escape = '\0'; |
r->escape = '\0'; |
if (buf->buf[pos] != '\0') |
if (buf->buf[pos] != '\0') |
mandoc_vmsg(MANDOCERR_ARG_SKIP, r->parse, |
mandoc_msg(MANDOCERR_ARG_SKIP, |
ln, pos, "eo %s", buf->buf + pos); |
ln, pos, "eo %s", buf->buf + pos); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_nop(ROFF_ARGS) |
roff_nop(ROFF_ARGS) |
{ |
{ |
while (buf->buf[pos] == ' ') |
while (buf->buf[pos] == ' ') |
Line 3336 roff_nop(ROFF_ARGS) |
|
Line 3713 roff_nop(ROFF_ARGS) |
|
return ROFF_RERUN; |
return ROFF_RERUN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_tr(ROFF_ARGS) |
roff_tr(ROFF_ARGS) |
{ |
{ |
const char *p, *first, *second; |
const char *p, *first, *second; |
Line 3346 roff_tr(ROFF_ARGS) |
|
Line 3723 roff_tr(ROFF_ARGS) |
|
p = buf->buf + pos; |
p = buf->buf + pos; |
|
|
if (*p == '\0') { |
if (*p == '\0') { |
mandoc_msg(MANDOCERR_REQ_EMPTY, r->parse, ln, ppos, "tr"); |
mandoc_msg(MANDOCERR_REQ_EMPTY, ln, ppos, "tr"); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
Line 3357 roff_tr(ROFF_ARGS) |
|
Line 3734 roff_tr(ROFF_ARGS) |
|
if (*first == '\\') { |
if (*first == '\\') { |
esc = mandoc_escape(&p, NULL, NULL); |
esc = mandoc_escape(&p, NULL, NULL); |
if (esc == ESCAPE_ERROR) { |
if (esc == ESCAPE_ERROR) { |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
mandoc_msg(MANDOCERR_ESC_BAD, ln, |
ln, (int)(p - buf->buf), first); |
(int)(p - buf->buf), "%s", first); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
fsz = (size_t)(p - first); |
fsz = (size_t)(p - first); |
Line 3368 roff_tr(ROFF_ARGS) |
|
Line 3745 roff_tr(ROFF_ARGS) |
|
if (*second == '\\') { |
if (*second == '\\') { |
esc = mandoc_escape(&p, NULL, NULL); |
esc = mandoc_escape(&p, NULL, NULL); |
if (esc == ESCAPE_ERROR) { |
if (esc == ESCAPE_ERROR) { |
mandoc_msg(MANDOCERR_ESC_BAD, r->parse, |
mandoc_msg(MANDOCERR_ESC_BAD, ln, |
ln, (int)(p - buf->buf), second); |
(int)(p - buf->buf), "%s", second); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
ssz = (size_t)(p - second); |
ssz = (size_t)(p - second); |
} else if (*second == '\0') { |
} else if (*second == '\0') { |
mandoc_vmsg(MANDOCERR_TR_ODD, r->parse, |
mandoc_msg(MANDOCERR_TR_ODD, ln, |
ln, first - buf->buf, "tr %s", first); |
(int)(first - buf->buf), "tr %s", first); |
second = " "; |
second = " "; |
p--; |
p--; |
} |
} |
Line 3404 roff_tr(ROFF_ARGS) |
|
Line 3781 roff_tr(ROFF_ARGS) |
|
* The read module will call that after rewinding the reader stack |
* The read module will call that after rewinding the reader stack |
* to the place from where the current macro was called. |
* to the place from where the current macro was called. |
*/ |
*/ |
static enum rofferr |
static int |
roff_return(ROFF_ARGS) |
roff_return(ROFF_ARGS) |
{ |
{ |
if (r->mstackpos >= 0) |
if (r->mstackpos >= 0) |
return ROFF_USERRET; |
return ROFF_IGN | ROFF_USERRET; |
|
|
mandoc_msg(MANDOCERR_REQ_NOMAC, r->parse, ln, ppos, "return"); |
mandoc_msg(MANDOCERR_REQ_NOMAC, ln, ppos, "return"); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_rn(ROFF_ARGS) |
roff_rn(ROFF_ARGS) |
{ |
{ |
const char *value; |
const char *value; |
Line 3427 roff_rn(ROFF_ARGS) |
|
Line 3804 roff_rn(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
|
|
oldsz = roff_getname(r, &newn, ln, pos); |
oldsz = roff_getname(r, &newn, ln, pos); |
if (oldn[oldsz] == '\\' || *newn == '\0') |
if (oldn[oldsz] == '\\' || oldn[oldsz] == '\t' || *newn == '\0') |
return ROFF_IGN; |
return ROFF_IGN; |
|
|
end = newn; |
end = newn; |
Line 3464 roff_rn(ROFF_ARGS) |
|
Line 3841 roff_rn(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_shift(ROFF_ARGS) |
roff_shift(ROFF_ARGS) |
{ |
{ |
struct mctx *ctx; |
struct mctx *ctx; |
Line 3473 roff_shift(ROFF_ARGS) |
|
Line 3850 roff_shift(ROFF_ARGS) |
|
levels = 1; |
levels = 1; |
if (buf->buf[pos] != '\0' && |
if (buf->buf[pos] != '\0' && |
roff_evalnum(r, ln, buf->buf, &pos, &levels, 0) == 0) { |
roff_evalnum(r, ln, buf->buf, &pos, &levels, 0) == 0) { |
mandoc_vmsg(MANDOCERR_CE_NONUM, r->parse, |
mandoc_msg(MANDOCERR_CE_NONUM, |
ln, pos, "shift %s", buf->buf + pos); |
ln, pos, "shift %s", buf->buf + pos); |
levels = 1; |
levels = 1; |
} |
} |
if (r->mstackpos < 0) { |
if (r->mstackpos < 0) { |
mandoc_msg(MANDOCERR_REQ_NOMAC, r->parse, ln, ppos, "shift"); |
mandoc_msg(MANDOCERR_REQ_NOMAC, ln, ppos, "shift"); |
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
ctx = r->mstack + r->mstackpos; |
ctx = r->mstack + r->mstackpos; |
if (levels > ctx->argc) { |
if (levels > ctx->argc) { |
mandoc_vmsg(MANDOCERR_SHIFT, r->parse, |
mandoc_msg(MANDOCERR_SHIFT, |
ln, pos, "%d, but max is %d", levels, ctx->argc); |
ln, pos, "%d, but max is %d", levels, ctx->argc); |
levels = ctx->argc; |
levels = ctx->argc; |
} |
} |
Line 3497 roff_shift(ROFF_ARGS) |
|
Line 3874 roff_shift(ROFF_ARGS) |
|
return ROFF_IGN; |
return ROFF_IGN; |
} |
} |
|
|
static enum rofferr |
static int |
roff_so(ROFF_ARGS) |
roff_so(ROFF_ARGS) |
{ |
{ |
char *name, *cp; |
char *name, *cp; |
|
|
name = buf->buf + pos; |
name = buf->buf + pos; |
mandoc_vmsg(MANDOCERR_SO, r->parse, ln, ppos, "so %s", name); |
mandoc_msg(MANDOCERR_SO, ln, ppos, "so %s", name); |
|
|
/* |
/* |
* Handle `so'. Be EXTREMELY careful, as we shouldn't be |
* Handle `so'. Be EXTREMELY careful, as we shouldn't be |
Line 3513 roff_so(ROFF_ARGS) |
|
Line 3890 roff_so(ROFF_ARGS) |
|
*/ |
*/ |
|
|
if (*name == '/' || strstr(name, "../") || strstr(name, "/..")) { |
if (*name == '/' || strstr(name, "../") || strstr(name, "/..")) { |
mandoc_vmsg(MANDOCERR_SO_PATH, r->parse, ln, ppos, |
mandoc_msg(MANDOCERR_SO_PATH, ln, ppos, ".so %s", name); |
".so %s", name); |
|
buf->sz = mandoc_asprintf(&cp, |
buf->sz = mandoc_asprintf(&cp, |
".sp\nSee the file %s.\n.sp", name) + 1; |
".sp\nSee the file %s.\n.sp", name) + 1; |
free(buf->buf); |
free(buf->buf); |
Line 3529 roff_so(ROFF_ARGS) |
|
Line 3905 roff_so(ROFF_ARGS) |
|
|
|
/* --- user defined strings and macros ------------------------------------ */ |
/* --- user defined strings and macros ------------------------------------ */ |
|
|
static enum rofferr |
static int |
roff_userdef(ROFF_ARGS) |
roff_userdef(ROFF_ARGS) |
{ |
{ |
struct mctx *ctx; |
struct mctx *ctx; |
char *arg, *ap, *dst, *src; |
char *arg, *ap, *dst, *src; |
size_t sz; |
size_t sz; |
|
|
|
/* If the macro is empty, ignore it altogether. */ |
|
|
|
if (*r->current_string == '\0') |
|
return ROFF_IGN; |
|
|
/* Initialize a new macro stack context. */ |
/* Initialize a new macro stack context. */ |
|
|
if (++r->mstackpos == r->mstacksz) { |
if (++r->mstackpos == r->mstacksz) { |
Line 3560 roff_userdef(ROFF_ARGS) |
|
Line 3941 roff_userdef(ROFF_ARGS) |
|
ctx->argv = mandoc_reallocarray(ctx->argv, |
ctx->argv = mandoc_reallocarray(ctx->argv, |
ctx->argsz, sizeof(*ctx->argv)); |
ctx->argsz, sizeof(*ctx->argv)); |
} |
} |
arg = mandoc_getarg(r->parse, &src, ln, &pos); |
arg = roff_getarg(r, &src, ln, &pos); |
sz = 1; /* For the terminating NUL. */ |
sz = 1; /* For the terminating NUL. */ |
for (ap = arg; *ap != '\0'; ap++) |
for (ap = arg; *ap != '\0'; ap++) |
sz += *ap == '"' ? 4 : 1; |
sz += *ap == '"' ? 4 : 1; |
Line 3573 roff_userdef(ROFF_ARGS) |
|
Line 3954 roff_userdef(ROFF_ARGS) |
|
*dst++ = *ap; |
*dst++ = *ap; |
} |
} |
*dst = '\0'; |
*dst = '\0'; |
|
free(arg); |
} |
} |
|
|
/* Replace the macro invocation by the macro definition. */ |
/* Replace the macro invocation by the macro definition. */ |
Line 3582 roff_userdef(ROFF_ARGS) |
|
Line 3964 roff_userdef(ROFF_ARGS) |
|
buf->sz = strlen(buf->buf) + 1; |
buf->sz = strlen(buf->buf) + 1; |
*offs = 0; |
*offs = 0; |
|
|
return buf->sz > 1 && buf->buf[buf->sz - 2] == '\n' ? |
return buf->buf[buf->sz - 2] == '\n' ? |
ROFF_USERCALL : ROFF_APPEND; |
ROFF_REPARSE | ROFF_USERCALL : ROFF_IGN | ROFF_APPEND; |
} |
} |
|
|
/* |
/* |
* Calling a high-level macro that was renamed with .rn. |
* Calling a high-level macro that was renamed with .rn. |
* r->current_string has already been set up by roff_parse(). |
* r->current_string has already been set up by roff_parse(). |
*/ |
*/ |
static enum rofferr |
static int |
roff_renamed(ROFF_ARGS) |
roff_renamed(ROFF_ARGS) |
{ |
{ |
char *nbuf; |
char *nbuf; |
Line 3603 roff_renamed(ROFF_ARGS) |
|
Line 3985 roff_renamed(ROFF_ARGS) |
|
return ROFF_CONT; |
return ROFF_CONT; |
} |
} |
|
|
|
/* |
|
* Measure the length in bytes of the roff identifier at *cpp |
|
* and advance the pointer to the next word. |
|
*/ |
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 3610 roff_getname(struct roff *r, char **cpp, int ln, int p |
|
Line 3996 roff_getname(struct roff *r, char **cpp, int ln, int p |
|
size_t namesz; |
size_t namesz; |
|
|
name = *cpp; |
name = *cpp; |
if ('\0' == *name) |
if (*name == '\0') |
return 0; |
return 0; |
|
|
/* Read until end of name and terminate it with NUL. */ |
/* Advance cp to the byte after the end of the name. */ |
|
|
for (cp = name; 1; cp++) { |
for (cp = name; 1; cp++) { |
if ('\0' == *cp || ' ' == *cp) { |
namesz = cp - name; |
namesz = cp - name; |
if (*cp == '\0') |
break; |
break; |
|
if (*cp == ' ' || *cp == '\t') { |
|
cp++; |
|
break; |
} |
} |
if ('\\' != *cp) |
if (*cp != '\\') |
continue; |
continue; |
namesz = cp - name; |
if (cp[1] == '{' || cp[1] == '}') |
if ('{' == cp[1] || '}' == cp[1]) |
|
break; |
break; |
cp++; |
if (*++cp == '\\') |
if ('\\' == *cp) |
|
continue; |
continue; |
mandoc_vmsg(MANDOCERR_NAMESC, r->parse, ln, pos, |
mandoc_msg(MANDOCERR_NAMESC, ln, pos, |
"%.*s", (int)(cp - name + 1), name); |
"%.*s", (int)(cp - name + 1), name); |
mandoc_escape((const char **)&cp, NULL, NULL); |
mandoc_escape((const char **)&cp, NULL, NULL); |
break; |
break; |
} |
} |
|
|
/* Read past spaces. */ |
/* Read past spaces. */ |
while (' ' == *cp) |
|
|
while (*cp == ' ') |
cp++; |
cp++; |
|
|
*cpp = cp; |
*cpp = cp; |
Line 3777 roff_getstrn(struct roff *r, const char *name, size_t |
|
Line 4166 roff_getstrn(struct roff *r, const char *name, size_t |
|
break; |
break; |
} |
} |
} |
} |
if (r->man->macroset != MACROSET_MAN) { |
if (r->man->meta.macroset != MACROSET_MAN) { |
for (tok = MDOC_Dd; tok < MDOC_MAX; tok++) { |
for (tok = MDOC_Dd; tok < MDOC_MAX; tok++) { |
if (strncmp(name, roff_name[tok], len) != 0 || |
if (strncmp(name, roff_name[tok], len) != 0 || |
roff_name[tok][len] != '\0') |
roff_name[tok][len] != '\0') |
Line 3791 roff_getstrn(struct roff *r, const char *name, size_t |
|
Line 4180 roff_getstrn(struct roff *r, const char *name, size_t |
|
} |
} |
} |
} |
} |
} |
if (r->man->macroset != MACROSET_MDOC) { |
if (r->man->meta.macroset != MACROSET_MDOC) { |
for (tok = MAN_TH; tok < MAN_MAX; tok++) { |
for (tok = MAN_TH; tok < MAN_MAX; tok++) { |
if (strncmp(name, roff_name[tok], len) != 0 || |
if (strncmp(name, roff_name[tok], len) != 0 || |
roff_name[tok][len] != '\0') |
roff_name[tok][len] != '\0') |
Line 3922 roff_strdup(const struct roff *r, const char *p) |
|
Line 4311 roff_strdup(const struct roff *r, const char *p) |
|
/* |
/* |
* We bail out on bad escapes. |
* We bail out on bad escapes. |
* No need to warn: we already did so when |
* No need to warn: we already did so when |
* roff_res() was called. |
* roff_expand() was called. |
*/ |
*/ |
sz = (int)(p - pp); |
sz = (int)(p - pp); |
res = mandoc_realloc(res, ssz + sz + 1); |
res = mandoc_realloc(res, ssz + sz + 1); |