-/* $Id: read.c,v 1.208 2018/12/20 21:30:32 schwarze Exp $ */
+/* $Id: read.c,v 1.220 2021/06/27 17:57:54 schwarze Exp $ */
/*
+ * Copyright (c) 2010-2020 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2018 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2010, 2012 Joerg Sonnenberger <joerg@netbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Top-level functions of the mandoc(3) parser:
+ * Parser and input encoding selection, decompression,
+ * handling of input bytes, characters, lines, and files,
+ * handling of roff(7) loops and file inclusion,
+ * and steering of the various parsers.
*/
#include "config.h"
#include "mandoc_parse.h"
#include "libmandoc.h"
#include "roff_int.h"
+#include "tag.h"
#define REPARSE_LIMIT 1000
struct mparse {
struct roff *roff; /* roff parser (!NULL) */
struct roff_man *man; /* man parser */
- char *sodest; /* filename pointed to by .so */
struct buf *primary; /* buffer currently being parsed */
struct buf *secondary; /* copy of top level input */
struct buf *loop; /* open .while request line */
}
if (format == MPARSE_MDOC) {
- curp->man->macroset = MACROSET_MDOC;
+ curp->man->meta.macroset = MACROSET_MDOC;
if (curp->man->mdocmac == NULL)
curp->man->mdocmac = roffhash_alloc(MDOC_Dd, MDOC_MAX);
} else {
- curp->man->macroset = MACROSET_MAN;
+ curp->man->meta.macroset = MACROSET_MAN;
if (curp->man->manmac == NULL)
curp->man->manmac = roffhash_alloc(MAN_TH, MAN_MAX);
}
- curp->man->first->tok = TOKEN_NONE;
+ curp->man->meta.first->tok = TOKEN_NONE;
}
/*
struct buf *firstln, *lastln, *thisln, *loop;
char *cp;
size_t pos; /* byte number in the ln buffer */
+ size_t spos; /* at the start of the current line parse */
int line_result, result;
int of;
int lnn; /* line number in the real file */
ln.sz = 256;
ln.buf = mandoc_malloc(ln.sz);
ln.next = NULL;
- firstln = loop = NULL;
+ firstln = lastln = loop = NULL;
lnn = curp->line;
pos = 0;
inloop = 0;
curp->filenc & MPARSE_LATIN1)
curp->filenc = preconv_cue(&blk, i);
}
+ spos = pos;
while (i < blk.sz && (start || blk.buf[i] != '\0')) {
/* XXX Ugly hack to mark the end of the input. */
if (i == blk.sz || blk.buf[i] == '\0') {
+ if (pos + 2 > ln.sz)
+ resize_buf(&ln, 256);
ln.buf[pos++] = '\n';
ln.buf[pos] = '\0';
}
of = 0;
rerun:
- line_result = roff_parseln(curp->roff, curp->line, &ln, &of);
+ line_result = roff_parseln(curp->roff, curp->line,
+ &ln, &of, start && spos == 0 ? pos : 0);
/* Process options. */
case ROFF_IGN:
break;
case ROFF_CONT:
- if (curp->man->macroset == MACROSET_NONE)
+ if (curp->man->meta.macroset == MACROSET_NONE)
choose_parser(curp);
- if ((curp->man->macroset == MACROSET_MDOC ?
+ if ((curp->man->meta.macroset == MACROSET_MDOC ?
mdoc_parseln(curp->man, curp->line, ln.buf, of) :
man_parseln(curp->man, curp->line, ln.buf, of)
) == 2)
case ROFF_SO:
if ( ! (curp->options & MPARSE_SO) &&
(i >= blk.sz || blk.buf[i] == '\0')) {
- curp->sodest = mandoc_strdup(ln.buf + of);
+ curp->man->meta.sodest =
+ mandoc_strdup(ln.buf + of);
goto out;
}
if ((fd = mparse_open(curp, ln.buf + of)) != -1) {
int gzerrnum, retval;
if (fstat(fd, &st) == -1) {
- mandoc_msg(MANDOCERR_FILE, 0, 0,
- "fstat: %s", strerror(errno));
- return 0;
+ mandoc_msg(MANDOCERR_FSTAT, 0, 0, "%s", strerror(errno));
+ return -1;
}
/*
if (curp->gzip == 0 && S_ISREG(st.st_mode)) {
if (st.st_size > 0x7fffffff) {
mandoc_msg(MANDOCERR_TOOLARGE, 0, 0, NULL);
- return 0;
+ return -1;
}
*with_mmap = 1;
fb->sz = (size_t)st.st_size;
fb->buf = mmap(NULL, fb->sz, PROT_READ, MAP_SHARED, fd, 0);
if (fb->buf != MAP_FAILED)
- return 1;
+ return 0;
}
if (curp->gzip) {
* which this function must not do.
*/
if ((fd = dup(fd)) == -1) {
- mandoc_msg(MANDOCERR_FILE, 0, 0,
- "dup: %s", strerror(errno));
- return 0;
+ mandoc_msg(MANDOCERR_DUP, 0, 0,
+ "%s", strerror(errno));
+ return -1;
}
if ((gz = gzdopen(fd, "rb")) == NULL) {
- mandoc_msg(MANDOCERR_FILE, 0, 0,
- "gzdopen: %s", strerror(errno));
+ mandoc_msg(MANDOCERR_GZDOPEN, 0, 0,
+ "%s", strerror(errno));
close(fd);
- return 0;
+ return -1;
}
} else
gz = NULL;
*with_mmap = 0;
off = 0;
- retval = 0;
+ retval = -1;
fb->sz = 0;
fb->buf = NULL;
for (;;) {
read(fd, fb->buf + (int)off, fb->sz - off);
if (ssz == 0) {
fb->sz = off;
- retval = 1;
+ retval = 0;
break;
}
if (ssz == -1) {
if (curp->gzip)
(void)gzerror(gz, &gzerrnum);
- mandoc_msg(MANDOCERR_FILE, 0, 0, "read: %s",
+ mandoc_msg(MANDOCERR_READ, 0, 0, "%s",
curp->gzip && gzerrnum != Z_ERRNO ?
zError(gzerrnum) : strerror(errno));
break;
}
if (curp->gzip && (gzerrnum = gzclose(gz)) != Z_OK)
- mandoc_msg(MANDOCERR_FILE, 0, 0, "gzclose: %s",
+ mandoc_msg(MANDOCERR_GZCLOSE, 0, 0, "%s",
gzerrnum == Z_ERRNO ? strerror(errno) :
zError(gzerrnum));
- if (retval == 0) {
+ if (retval == -1) {
free(fb->buf);
fb->buf = NULL;
}
static void
mparse_end(struct mparse *curp)
{
- if (curp->man->macroset == MACROSET_NONE)
- curp->man->macroset = MACROSET_MAN;
- if (curp->man->macroset == MACROSET_MDOC)
+ if (curp->man->meta.macroset == MACROSET_NONE)
+ curp->man->meta.macroset = MACROSET_MAN;
+ if (curp->man->meta.macroset == MACROSET_MDOC)
mdoc_endparse(curp->man);
else
man_endparse(curp->man);
struct buf blk;
struct buf *save_primary;
- const char *save_filename;
+ const char *save_filename, *cp;
size_t offset;
int save_filenc, save_lineno;
int with_mmap;
if (recursion_depth > 64) {
mandoc_msg(MANDOCERR_ROFFLOOP, curp->line, 0, NULL);
return;
- }
- if (read_whole_file(curp, fd, &blk, &with_mmap) == 0)
+ } else if (recursion_depth == 0 &&
+ (cp = strrchr(filename, '.')) != NULL &&
+ cp[1] >= '1' && cp[1] <= '9')
+ curp->man->filesec = cp[1];
+ else
+ curp->man->filesec = '\0';
+
+ if (read_whole_file(curp, fd, &blk, &with_mmap) == -1)
return;
/*
mparse_open(struct mparse *curp, const char *file)
{
char *cp;
- int fd;
+ int fd, save_errno;
cp = strrchr(file, '.');
curp->gzip = (cp != NULL && ! strcmp(cp + 1, "gz"));
*/
if ( ! curp->gzip) {
+ save_errno = errno;
mandoc_asprintf(&cp, "%s.gz", file);
fd = open(cp, O_RDONLY);
free(cp);
+ errno = save_errno;
if (fd != -1) {
curp->gzip = 1;
return fd;
curp->man = roff_man_alloc(curp->roff, curp->os_s,
curp->options & MPARSE_QUICK ? 1 : 0);
if (curp->options & MPARSE_MDOC) {
- curp->man->macroset = MACROSET_MDOC;
+ curp->man->meta.macroset = MACROSET_MDOC;
if (curp->man->mdocmac == NULL)
curp->man->mdocmac = roffhash_alloc(MDOC_Dd, MDOC_MAX);
} else if (curp->options & MPARSE_MAN) {
- curp->man->macroset = MACROSET_MAN;
+ curp->man->meta.macroset = MACROSET_MAN;
if (curp->man->manmac == NULL)
curp->man->manmac = roffhash_alloc(MAN_TH, MAN_MAX);
}
- curp->man->first->tok = TOKEN_NONE;
+ curp->man->meta.first->tok = TOKEN_NONE;
curp->man->meta.os_e = os_e;
+ tag_alloc();
return curp;
}
void
mparse_reset(struct mparse *curp)
{
+ tag_free();
roff_reset(curp->roff);
roff_man_reset(curp->man);
free_buf_list(curp->secondary);
curp->secondary = NULL;
- free(curp->sodest);
- curp->sodest = NULL;
curp->gzip = 0;
+ tag_alloc();
}
void
mparse_free(struct mparse *curp)
{
+ tag_free();
roffhash_free(curp->man->mdocmac);
roffhash_free(curp->man->manmac);
roff_man_free(curp->man);
roff_free(curp->roff);
free_buf_list(curp->secondary);
- free(curp->sodest);
free(curp);
}
-void
-mparse_result(struct mparse *curp, struct roff_man **man,
- char **sodest)
+struct roff_meta *
+mparse_result(struct mparse *curp)
{
-
- if (sodest && NULL != (*sodest = curp->sodest)) {
- *man = NULL;
- return;
+ roff_state_reset(curp->man);
+ if (curp->options & MPARSE_VALIDATE) {
+ if (curp->man->meta.macroset == MACROSET_MDOC)
+ mdoc_validate(curp->man);
+ else
+ man_validate(curp->man);
+ tag_postprocess(curp->man, curp->man->meta.first);
}
- if (man)
- *man = curp->man;
+ return &curp->man->meta;
}
void
git.ckatri.com / mandoc.git / blobdiff