version 1.88, 2010/06/10 21:42:02 |
version 1.90, 2010/06/27 15:52:41 |
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#endif |
#endif |
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#include <assert.h> |
#include <assert.h> |
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#include <errno.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <limits.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <stdio.h> |
#include <stdio.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
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#include "regs.h" |
#include "roff.h" |
#include "roff.h" |
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#define RSTACK_MAX 128 |
#define RSTACK_MAX 128 |
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ROFF_tr, |
ROFF_tr, |
ROFF_cblock, |
ROFF_cblock, |
ROFF_ccond, |
ROFF_ccond, |
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ROFF_nr, |
ROFF_MAX |
ROFF_MAX |
}; |
}; |
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void *data; /* privdata for messages */ |
void *data; /* privdata for messages */ |
enum roffrule rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
enum roffrule rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
int rstackpos; /* position in rstack */ |
int rstackpos; /* position in rstack */ |
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struct regset *regs; /* read/writable registers */ |
}; |
}; |
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struct roffnode { |
struct roffnode { |
Line 111 static enum rofferr roff_ccond(ROFF_ARGS); |
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Line 116 static enum rofferr roff_ccond(ROFF_ARGS); |
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static enum rofferr roff_cond(ROFF_ARGS); |
static enum rofferr roff_cond(ROFF_ARGS); |
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 roffrule roff_evalcond(const char *, int *); |
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static enum rofferr roff_line(ROFF_ARGS); |
static enum rofferr roff_line(ROFF_ARGS); |
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static enum rofferr roff_nr(ROFF_ARGS); |
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static enum roffrule roff_evalcond(const char *, int *); |
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/* See roff_hash_find() */ |
/* See roff_hash_find() */ |
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Line 138 static struct roffmac roffs[ROFF_MAX] = { |
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Line 144 static struct roffmac roffs[ROFF_MAX] = { |
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{ "tr", roff_line, NULL, NULL, 0, NULL }, |
{ "tr", roff_line, NULL, NULL, 0, NULL }, |
{ ".", roff_cblock, NULL, NULL, 0, NULL }, |
{ ".", roff_cblock, NULL, NULL, 0, NULL }, |
{ "\\}", roff_ccond, NULL, NULL, 0, NULL }, |
{ "\\}", roff_ccond, NULL, NULL, 0, NULL }, |
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{ "nr", roff_nr, NULL, NULL, 0, NULL }, |
}; |
}; |
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static void roff_free1(struct roff *); |
static void roff_free1(struct roff *); |
Line 148 static int roffnode_push(struct roff *, |
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Line 155 static int roffnode_push(struct roff *, |
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enum rofft, int, int); |
enum rofft, int, int); |
static void roffnode_pop(struct roff *); |
static void roffnode_pop(struct roff *); |
static enum rofft roff_parse(const char *, int *); |
static enum rofft roff_parse(const char *, int *); |
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static int roff_parse_nat(const char *, int *); |
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/* See roff_hash_find() */ |
/* See roff_hash_find() */ |
#define ROFF_HASH(p) (p[0] - ASCII_LO) |
#define ROFF_HASH(p) (p[0] - ASCII_LO) |
Line 281 roff_free(struct roff *r) |
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Line 289 roff_free(struct roff *r) |
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struct roff * |
struct roff * |
roff_alloc(const mandocmsg msg, void *data) |
roff_alloc(struct regset *regs, const mandocmsg msg, void *data) |
{ |
{ |
struct roff *r; |
struct roff *r; |
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Line 290 roff_alloc(const mandocmsg msg, void *data) |
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Line 298 roff_alloc(const mandocmsg msg, void *data) |
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return(0); |
return(0); |
} |
} |
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r->regs = regs; |
r->msg = msg; |
r->msg = msg; |
r->data = data; |
r->data = data; |
r->rstackpos = -1; |
r->rstackpos = -1; |
Line 300 roff_alloc(const mandocmsg msg, void *data) |
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Line 309 roff_alloc(const mandocmsg msg, void *data) |
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enum rofferr |
enum rofferr |
roff_parseln(struct roff *r, int ln, |
roff_parseln(struct roff *r, int ln, char **bufp, |
char **bufp, size_t *szp, int pos, int *offs) |
size_t *szp, int pos, int *offs) |
{ |
{ |
enum rofft t; |
enum rofft t; |
int ppos; |
int ppos; |
Line 318 roff_parseln(struct roff *r, int ln, |
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Line 327 roff_parseln(struct roff *r, int ln, |
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ROFF_DEBUG("roff: intercept scoped text: %s, [%s]\n", |
ROFF_DEBUG("roff: intercept scoped text: %s, [%s]\n", |
roffs[t].name, &(*bufp)[pos]); |
roffs[t].name, &(*bufp)[pos]); |
return((*roffs[t].text) |
return((*roffs[t].text) |
(r, t, bufp, szp, ln, pos, pos, offs)); |
(r, t, bufp, szp, |
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ln, pos, pos, offs)); |
} else if ( ! ROFF_CTL((*bufp)[pos])) { |
} else if ( ! ROFF_CTL((*bufp)[pos])) { |
ROFF_DEBUG("roff: pass non-scoped text: [%s]\n", |
ROFF_DEBUG("roff: pass non-scoped text: [%s]\n", |
&(*bufp)[pos]); |
&(*bufp)[pos]); |
Line 336 roff_parseln(struct roff *r, int ln, |
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Line 346 roff_parseln(struct roff *r, int ln, |
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ROFF_DEBUG("roff: intercept scoped context: %s\n", |
ROFF_DEBUG("roff: intercept scoped context: %s\n", |
roffs[t].name); |
roffs[t].name); |
return((*roffs[t].sub) |
return((*roffs[t].sub) |
(r, t, bufp, szp, ln, pos, pos, offs)); |
(r, t, bufp, szp, |
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ln, pos, pos, offs)); |
} |
} |
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/* |
/* |
Line 356 roff_parseln(struct roff *r, int ln, |
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Line 367 roff_parseln(struct roff *r, int ln, |
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roffs[t].name, &(*bufp)[pos]); |
roffs[t].name, &(*bufp)[pos]); |
assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc) |
return((*roffs[t].proc) |
(r, t, bufp, szp, ln, ppos, pos, offs)); |
(r, t, bufp, szp, |
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ln, ppos, pos, offs)); |
} |
} |
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Line 412 roff_parse(const char *buf, int *pos) |
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Line 424 roff_parse(const char *buf, int *pos) |
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} |
} |
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static int |
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roff_parse_nat(const char *buf, int *res) |
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{ |
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char *ep; |
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long lval; |
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errno = 0; |
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lval = strtol(buf, &ep, 10); |
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if (buf[0] == '\0' || *ep != '\0') |
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return(0); |
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if ((errno == ERANGE && |
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(lval == LONG_MAX || lval == LONG_MIN)) || |
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(lval > INT_MAX || lval <= 0)) |
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return(0); |
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*res = (int)lval; |
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return(1); |
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} |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
roff_cblock(ROFF_ARGS) |
roff_cblock(ROFF_ARGS) |
Line 622 roff_block_sub(ROFF_ARGS) |
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Line 654 roff_block_sub(ROFF_ARGS) |
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return(ROFF_IGN); |
return(ROFF_IGN); |
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assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc)(r, t, bufp, |
return((*roffs[t].proc)(r, t, bufp, szp, |
szp, ln, ppos, pos, offs)); |
ln, ppos, pos, offs)); |
} |
} |
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Line 672 roff_cond_sub(ROFF_ARGS) |
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Line 704 roff_cond_sub(ROFF_ARGS) |
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return(ROFF_IGN); |
return(ROFF_IGN); |
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assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc) |
return((*roffs[t].proc)(r, t, bufp, szp, |
(r, t, bufp, szp, ln, ppos, pos, offs)); |
ln, ppos, pos, offs)); |
} |
} |
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Line 732 roff_evalcond(const char *v, int *pos) |
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Line 764 roff_evalcond(const char *v, int *pos) |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
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roff_line(ROFF_ARGS) |
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{ |
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return(ROFF_IGN); |
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} |
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/* ARGSUSED */ |
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static enum rofferr |
roff_cond(ROFF_ARGS) |
roff_cond(ROFF_ARGS) |
{ |
{ |
int sv; |
int sv; |
Line 838 roff_cond(ROFF_ARGS) |
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Line 879 roff_cond(ROFF_ARGS) |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
roff_line(ROFF_ARGS) |
roff_nr(ROFF_ARGS) |
{ |
{ |
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const char *key, *val; |
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key = &(*bufp)[pos]; |
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/* Parse register request. */ |
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while ((*bufp)[pos] && ' ' != (*bufp)[pos]) |
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pos++; |
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/* |
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* Set our nil terminator. Because this line is going to be |
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* ignored anyway, we can munge it as we please. |
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*/ |
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if ((*bufp)[pos]) |
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(*bufp)[pos++] = '\0'; |
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/* Skip whitespace to register token. */ |
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while ((*bufp)[pos] && ' ' == (*bufp)[pos]) |
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pos++; |
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val = &(*bufp)[pos]; |
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/* Process register token. */ |
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if (0 == strcmp(key, "nS")) { |
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if ( ! roff_parse_nat(val, &r->regs->regs[(int)REG_nS].i)) |
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r->regs->regs[(int)REG_nS].i = 0; |
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ROFF_DEBUG("roff: register nS: %d\n", |
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r->regs->regs[(int)REG_nS].i); |
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} else |
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ROFF_DEBUG("roff: ignoring register: %s\n", key); |
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return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |