version 1.28, 2012/02/16 20:51:31 |
version 1.101, 2014/11/28 18:09:01 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org> |
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* Copyright (c) 2010, 2012 Joerg Sonnenberger <joerg@netbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
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#include "config.h" |
#include "config.h" |
#endif |
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#ifdef HAVE_MMAP |
#include <sys/types.h> |
# include <sys/stat.h> |
#if HAVE_MMAP |
# include <sys/mman.h> |
#include <sys/mman.h> |
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#include <sys/stat.h> |
#endif |
#endif |
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#include <sys/wait.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <stdarg.h> |
#include <stdarg.h> |
#include <stdint.h> |
#include <stdint.h> |
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#include <unistd.h> |
#include <unistd.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
#include "mdoc.h" |
#include "mdoc.h" |
#include "man.h" |
#include "man.h" |
#include "main.h" |
#include "main.h" |
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#ifndef MAP_FILE |
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#define MAP_FILE 0 |
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#endif |
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#define REPARSE_LIMIT 1000 |
#define REPARSE_LIMIT 1000 |
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struct buf { |
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char *buf; /* binary input buffer */ |
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size_t sz; /* size of binary buffer */ |
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}; |
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struct mparse { |
struct mparse { |
enum mandoclevel file_status; /* status of current parse */ |
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enum mandoclevel wlevel; /* ignore messages below this */ |
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int line; /* line number in the file */ |
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enum mparset inttype; /* which parser to use */ |
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struct man *pman; /* persistent man parser */ |
struct man *pman; /* persistent man parser */ |
struct mdoc *pmdoc; /* persistent mdoc parser */ |
struct mdoc *pmdoc; /* persistent mdoc parser */ |
struct man *man; /* man parser */ |
struct man *man; /* man parser */ |
struct mdoc *mdoc; /* mdoc parser */ |
struct mdoc *mdoc; /* mdoc parser */ |
struct roff *roff; /* roff parser (!NULL) */ |
struct roff *roff; /* roff parser (!NULL) */ |
int reparse_count; /* finite interp. stack */ |
const struct mchars *mchars; /* character table */ |
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char *sodest; /* filename pointed to by .so */ |
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const char *file; /* filename of current input file */ |
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struct buf *primary; /* buffer currently being parsed */ |
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struct buf *secondary; /* preprocessed copy of input */ |
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const char *defos; /* default operating system */ |
mandocmsg mmsg; /* warning/error message handler */ |
mandocmsg mmsg; /* warning/error message handler */ |
void *arg; /* argument to mmsg */ |
enum mandoclevel file_status; /* status of current parse */ |
const char *file; |
enum mandoclevel wlevel; /* ignore messages below this */ |
struct buf *secondary; |
int options; /* parser options */ |
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int filenc; /* encoding of the current file */ |
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int reparse_count; /* finite interp. stack */ |
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int line; /* line number in the file */ |
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pid_t child; /* the gunzip(1) process */ |
}; |
}; |
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static void choose_parser(struct mparse *); |
static void resize_buf(struct buf *, size_t); |
static void resize_buf(struct buf *, size_t); |
static void mparse_buf_r(struct mparse *, struct buf, int); |
static void mparse_buf_r(struct mparse *, struct buf, size_t, int); |
static void mparse_readfd_r(struct mparse *, int, const char *, int); |
static int read_whole_file(struct mparse *, const char *, int, |
static void pset(const char *, int, struct mparse *); |
struct buf *, int *); |
static int read_whole_file(const char *, int, struct buf *, int *); |
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static void mparse_end(struct mparse *); |
static void mparse_end(struct mparse *); |
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static void mparse_parse_buffer(struct mparse *, struct buf, |
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const char *); |
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static const enum mandocerr mandoclimits[MANDOCLEVEL_MAX] = { |
static const enum mandocerr mandoclimits[MANDOCLEVEL_MAX] = { |
MANDOCERR_OK, |
MANDOCERR_OK, |
Line 91 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 92 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"generic warning", |
"generic warning", |
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/* related to the prologue */ |
/* related to the prologue */ |
"no title in document", |
"missing manual title, using UNTITLED", |
"document title should be all caps", |
"missing manual title, using \"\"", |
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"lower case character in document title", |
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"missing manual section, using \"\"", |
"unknown manual section", |
"unknown manual section", |
"date missing, using today's date", |
"missing date, using today's date", |
"cannot parse date, using it verbatim", |
"cannot parse date, using it verbatim", |
"prologue macros out of order", |
"missing Os macro, using \"\"", |
"duplicate prologue macro", |
"duplicate prologue macro", |
"macro not allowed in prologue", |
"late prologue macro", |
"macro not allowed in body", |
"skipping late title macro", |
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"prologue macros out of order", |
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/* related to document structure */ |
/* related to document structure */ |
".so is fragile, better use ln(1)", |
".so is fragile, better use ln(1)", |
"NAME section must come first", |
"no document body", |
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"content before first section header", |
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"first section is not \"NAME\"", |
"bad NAME section contents", |
"bad NAME section contents", |
"manual name not yet set", |
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"sections out of conventional order", |
"sections out of conventional order", |
"duplicate section name", |
"duplicate section title", |
"section not in conventional manual section", |
"unexpected section", |
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"unusual Xr order", |
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"unusual Xr punctuation", |
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"AUTHORS section without An macro", |
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/* related to macros and nesting */ |
/* related to macros and nesting */ |
"skipping obsolete macro", |
"obsolete macro", |
"skipping paragraph macro", |
"skipping paragraph macro", |
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"moving paragraph macro out of list", |
"skipping no-space macro", |
"skipping no-space macro", |
"blocks badly nested", |
"blocks badly nested", |
"child violates parent syntax", |
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"nested displays are not portable", |
"nested displays are not portable", |
"already in literal mode", |
"moving content out of list", |
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".Vt block has child macro", |
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"fill mode already enabled, skipping", |
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"fill mode already disabled, skipping", |
"line scope broken", |
"line scope broken", |
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/* related to missing macro arguments */ |
/* related to missing macro arguments */ |
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"skipping empty request", |
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"conditional request controls empty scope", |
"skipping empty macro", |
"skipping empty macro", |
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"empty argument, using 0n", |
"argument count wrong", |
"argument count wrong", |
"missing display type", |
"missing display type, using -ragged", |
"list type must come first", |
"list type is not the first argument", |
"tag lists require a width argument", |
"missing -width in -tag list, using 8n", |
"missing font type", |
"missing utility name, using \"\"", |
"skipping end of block that is not open", |
"empty head in list item", |
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"empty list item", |
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"missing font type, using \\fR", |
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"unknown font type, using \\fR", |
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"missing -std argument, adding it", |
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"missing eqn box, using \"\"", |
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/* related to bad macro arguments */ |
/* related to bad macro arguments */ |
"skipping argument", |
"unterminated quoted argument", |
"duplicate argument", |
"duplicate argument", |
"duplicate display type", |
"skipping duplicate argument", |
"duplicate list type", |
"skipping duplicate display type", |
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"skipping duplicate list type", |
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"skipping -width argument", |
"unknown AT&T UNIX version", |
"unknown AT&T UNIX version", |
"bad Boolean value", |
"comma in function argument", |
"unknown font", |
"parenthesis in function name", |
"unknown standard specifier", |
"invalid content in Rs block", |
"bad width argument", |
"invalid Boolean argument", |
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"unknown font, skipping request", |
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/* related to plain text */ |
/* related to plain text */ |
"blank line in non-literal context", |
"blank line in fill mode, using .sp", |
"tab in non-literal context", |
"tab in filled text", |
"end of line whitespace", |
"whitespace at end of input line", |
"bad comment style", |
"bad comment style", |
"bad escape sequence", |
"invalid escape sequence", |
"unterminated quoted string", |
"undefined string, using \"\"", |
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/* related to equations */ |
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"unexpected literal in equation", |
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"generic error", |
"generic error", |
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/* related to equations */ |
/* related to equations */ |
Line 158 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 177 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"equation scope open on exit", |
"equation scope open on exit", |
"overlapping equation scopes", |
"overlapping equation scopes", |
"unexpected end of equation", |
"unexpected end of equation", |
"equation syntax error", |
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/* related to tables */ |
/* related to tables */ |
"bad table syntax", |
"bad table syntax", |
Line 170 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 188 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"data block still open", |
"data block still open", |
"ignoring extra data cells", |
"ignoring extra data cells", |
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/* related to document structure and macros */ |
"input stack limit exceeded, infinite loop?", |
"input stack limit exceeded, infinite loop?", |
"skipping bad character", |
"skipping bad character", |
"escaped character not allowed in a name", |
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"skipping text before the first section header", |
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"skipping unknown macro", |
"skipping unknown macro", |
"NOT IMPLEMENTED, please use groff: skipping request", |
"skipping item outside list", |
"argument count wrong", |
"skipping column outside column list", |
"skipping end of block that is not open", |
"skipping end of block that is not open", |
"missing end of block", |
"inserting missing end of block", |
"scope open on exit", |
"appending missing end of block", |
"uname(3) system call failed", |
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"macro requires line argument(s)", |
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"macro requires body argument(s)", |
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"macro requires argument(s)", |
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"missing list type", |
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"line argument(s) will be lost", |
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"body argument(s) will be lost", |
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/* related to request and macro arguments */ |
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"escaped character not allowed in a name", |
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"argument count wrong", |
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"NOT IMPLEMENTED: Bd -file", |
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"missing list type, using -item", |
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"missing manual name, using \"\"", |
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"uname(3) system call failed, using UNKNOWN", |
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"unknown standard specifier", |
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"skipping request without numeric argument", |
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"skipping all arguments", |
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"skipping excess arguments", |
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"divide by zero", |
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"generic fatal error", |
"generic fatal error", |
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"not a manual", |
"input too large", |
"column syntax is inconsistent", |
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"NOT IMPLEMENTED: .Bd -file", |
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"argument count wrong, violates syntax", |
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"child violates parent syntax", |
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"argument count wrong, violates syntax", |
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"NOT IMPLEMENTED: .so with absolute path or \"..\"", |
"NOT IMPLEMENTED: .so with absolute path or \"..\"", |
"no document body", |
".so request failed", |
"no document prologue", |
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"static buffer exhausted", |
/* system errors */ |
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"cannot dup file descriptor", |
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"cannot exec", |
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"gunzip failed with code", |
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"cannot fork", |
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NULL, |
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"cannot open pipe", |
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"cannot read file", |
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"gunzip died from signal", |
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"cannot stat file", |
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"wait failed", |
}; |
}; |
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static const char * const mandoclevels[MANDOCLEVEL_MAX] = { |
static const char * const mandoclevels[MANDOCLEVEL_MAX] = { |
Line 212 static const char * const mandoclevels[MANDOCLEVEL_MAX |
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Line 240 static const char * const mandoclevels[MANDOCLEVEL_MAX |
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"SYSERR" |
"SYSERR" |
}; |
}; |
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static void |
static void |
resize_buf(struct buf *buf, size_t initial) |
resize_buf(struct buf *buf, size_t initial) |
{ |
{ |
Line 221 resize_buf(struct buf *buf, size_t initial) |
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Line 250 resize_buf(struct buf *buf, size_t initial) |
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} |
} |
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static void |
static void |
pset(const char *buf, int pos, struct mparse *curp) |
choose_parser(struct mparse *curp) |
{ |
{ |
int i; |
char *cp, *ep; |
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int format; |
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/* |
/* |
* Try to intuit which kind of manual parser should be used. If |
* If neither command line arguments -mdoc or -man select |
* passed in by command-line (-man, -mdoc), then use that |
* a parser nor the roff parser found a .Dd or .TH macro |
* explicitly. If passed as -mandoc, then try to guess from the |
* yet, look ahead in the main input buffer. |
* line: either skip dot-lines, use -mdoc when finding `.Dt', or |
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* default to -man, which is more lenient. |
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* |
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* Separate out pmdoc/pman from mdoc/man: the first persists |
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* through all parsers, while the latter is used per-parse. |
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*/ |
*/ |
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if ('.' == buf[0] || '\'' == buf[0]) { |
if ((format = roff_getformat(curp->roff)) == 0) { |
for (i = 1; buf[i]; i++) |
cp = curp->primary->buf; |
if (' ' != buf[i] && '\t' != buf[i]) |
ep = cp + curp->primary->sz; |
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while (cp < ep) { |
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if (*cp == '.' || *cp == '\'') { |
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cp++; |
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if (cp[0] == 'D' && cp[1] == 'd') { |
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format = MPARSE_MDOC; |
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break; |
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} |
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if (cp[0] == 'T' && cp[1] == 'H') { |
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format = MPARSE_MAN; |
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break; |
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} |
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} |
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cp = memchr(cp, '\n', ep - cp); |
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if (cp == NULL) |
break; |
break; |
if ('\0' == buf[i]) |
cp++; |
return; |
} |
} |
} |
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switch (curp->inttype) { |
if (format == MPARSE_MDOC) { |
case (MPARSE_MDOC): |
if (NULL == curp->pmdoc) |
if (NULL == curp->pmdoc) |
curp->pmdoc = mdoc_alloc( |
curp->pmdoc = mdoc_alloc(curp->roff, curp); |
curp->roff, curp, curp->defos, |
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MPARSE_QUICK & curp->options ? 1 : 0); |
assert(curp->pmdoc); |
assert(curp->pmdoc); |
curp->mdoc = curp->pmdoc; |
curp->mdoc = curp->pmdoc; |
return; |
return; |
case (MPARSE_MAN): |
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if (NULL == curp->pman) |
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curp->pman = man_alloc(curp->roff, curp); |
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assert(curp->pman); |
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curp->man = curp->pman; |
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return; |
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default: |
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break; |
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} |
} |
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if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) { |
/* Fall back to man(7) as a last resort. */ |
if (NULL == curp->pmdoc) |
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curp->pmdoc = mdoc_alloc(curp->roff, curp); |
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assert(curp->pmdoc); |
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curp->mdoc = curp->pmdoc; |
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return; |
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} |
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if (NULL == curp->pman) |
if (NULL == curp->pman) |
curp->pman = man_alloc(curp->roff, curp); |
curp->pman = man_alloc(curp->roff, curp, |
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MPARSE_QUICK & curp->options ? 1 : 0); |
assert(curp->pman); |
assert(curp->pman); |
curp->man = curp->pman; |
curp->man = curp->pman; |
} |
} |
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/* |
/* |
* Main parse routine for an opened file. This is called for each |
* Main parse routine for a buffer. |
* opened file and simply loops around the full input file, possibly |
* It assumes encoding and line numbering are already set up. |
* nesting (i.e., with `so'). |
* It can recurse directly (for invocations of user-defined |
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* macros, inline equations, and input line traps) |
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* and indirectly (for .so file inclusion). |
*/ |
*/ |
static void |
static void |
mparse_buf_r(struct mparse *curp, struct buf blk, int start) |
mparse_buf_r(struct mparse *curp, struct buf blk, size_t i, int start) |
{ |
{ |
const struct tbl_span *span; |
const struct tbl_span *span; |
struct buf ln; |
struct buf ln; |
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size_t pos; /* byte number in the ln buffer */ |
enum rofferr rr; |
enum rofferr rr; |
int i, of, rc; |
int of; |
int pos; /* byte number in the ln buffer */ |
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int lnn; /* line number in the real file */ |
int lnn; /* line number in the real file */ |
unsigned char c; |
unsigned char c; |
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memset(&ln, 0, sizeof(struct buf)); |
memset(&ln, 0, sizeof(ln)); |
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lnn = curp->line; |
lnn = curp->line; |
pos = 0; |
pos = 0; |
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for (i = 0; i < (int)blk.sz; ) { |
while (i < blk.sz) { |
if (0 == pos && '\0' == blk.buf[i]) |
if (0 == pos && '\0' == blk.buf[i]) |
break; |
break; |
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if (start) { |
if (start) { |
curp->line = lnn; |
curp->line = lnn; |
curp->reparse_count = 0; |
curp->reparse_count = 0; |
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if (lnn < 3 && |
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curp->filenc & MPARSE_UTF8 && |
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curp->filenc & MPARSE_LATIN1) |
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curp->filenc = preconv_cue(&blk, i); |
} |
} |
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while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) { |
while (i < blk.sz && (start || blk.buf[i] != '\0')) { |
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/* |
/* |
* When finding an unescaped newline character, |
* When finding an unescaped newline character, |
Line 313 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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Line 347 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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* Skip a preceding carriage return, if any. |
* Skip a preceding carriage return, if any. |
*/ |
*/ |
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if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz && |
if ('\r' == blk.buf[i] && i + 1 < blk.sz && |
'\n' == blk.buf[i + 1]) |
'\n' == blk.buf[i + 1]) |
++i; |
++i; |
if ('\n' == blk.buf[i]) { |
if ('\n' == blk.buf[i]) { |
Line 322 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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Line 356 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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break; |
break; |
} |
} |
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/* |
/* |
* Warn about bogus characters. If you're using |
* Make sure we have space for the worst |
* non-ASCII encoding, you're screwing your |
* case of 11 bytes: "\\[u10ffff]\0" |
* readers. Since I'd rather this not happen, |
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* I'll be helpful and replace these characters |
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* with "?", so we don't display gibberish. |
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* Note to manual writers: use special characters. |
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*/ |
*/ |
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c = (unsigned char) blk.buf[i]; |
if (pos + 11 > ln.sz) |
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resize_buf(&ln, 256); |
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if ( ! (isascii(c) && |
/* |
(isgraph(c) || isblank(c)))) { |
* Encode 8-bit input. |
mandoc_msg(MANDOCERR_BADCHAR, curp, |
*/ |
curp->line, pos, NULL); |
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c = blk.buf[i]; |
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if (c & 0x80) { |
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if ( ! (curp->filenc && preconv_encode( |
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&blk, &i, &ln, &pos, &curp->filenc))) { |
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mandoc_vmsg(MANDOCERR_BADCHAR, |
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curp, curp->line, pos, |
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"0x%x", c); |
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ln.buf[pos++] = '?'; |
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i++; |
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} |
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continue; |
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} |
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/* |
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* Exclude control characters. |
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*/ |
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|
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if (c == 0x7f || (c < 0x20 && c != 0x09)) { |
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mandoc_vmsg(MANDOCERR_BADCHAR, curp, |
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curp->line, pos, "0x%x", c); |
i++; |
i++; |
if (pos >= (int)ln.sz) |
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resize_buf(&ln, 256); |
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ln.buf[pos++] = '?'; |
ln.buf[pos++] = '?'; |
continue; |
continue; |
} |
} |
|
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/* Trailing backslash = a plain char. */ |
/* Trailing backslash = a plain char. */ |
|
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if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) { |
if (blk.buf[i] != '\\' || i + 1 == blk.sz) { |
if (pos >= (int)ln.sz) |
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resize_buf(&ln, 256); |
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ln.buf[pos++] = blk.buf[i++]; |
ln.buf[pos++] = blk.buf[i++]; |
continue; |
continue; |
} |
} |
Line 360 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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Line 407 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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* skip that one as well. |
* skip that one as well. |
*/ |
*/ |
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if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz && |
if ('\r' == blk.buf[i + 1] && i + 2 < blk.sz && |
'\n' == blk.buf[i + 2]) |
'\n' == blk.buf[i + 2]) |
++i; |
++i; |
if ('\n' == blk.buf[i + 1]) { |
if ('\n' == blk.buf[i + 1]) { |
Line 372 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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Line 419 mparse_buf_r(struct mparse *curp, struct buf blk, int |
|
if ('"' == blk.buf[i + 1] || '#' == blk.buf[i + 1]) { |
if ('"' == blk.buf[i + 1] || '#' == blk.buf[i + 1]) { |
i += 2; |
i += 2; |
/* Comment, skip to end of line */ |
/* Comment, skip to end of line */ |
for (; i < (int)blk.sz; ++i) { |
for (; i < blk.sz; ++i) { |
if ('\n' == blk.buf[i]) { |
if ('\n' == blk.buf[i]) { |
++i; |
++i; |
++lnn; |
++lnn; |
Line 390 mparse_buf_r(struct mparse *curp, struct buf blk, int |
|
Line 437 mparse_buf_r(struct mparse *curp, struct buf blk, int |
|
break; |
break; |
} |
} |
|
|
/* Some other escape sequence, copy & cont. */ |
/* Catch escaped bogus characters. */ |
|
|
if (pos + 1 >= (int)ln.sz) |
c = (unsigned char) blk.buf[i+1]; |
resize_buf(&ln, 256); |
|
|
|
|
if ( ! (isascii(c) && |
|
(isgraph(c) || isblank(c)))) { |
|
mandoc_vmsg(MANDOCERR_BADCHAR, curp, |
|
curp->line, pos, "0x%x", c); |
|
i += 2; |
|
ln.buf[pos++] = '?'; |
|
continue; |
|
} |
|
|
|
/* Some other escape sequence, copy & cont. */ |
|
|
ln.buf[pos++] = blk.buf[i++]; |
ln.buf[pos++] = blk.buf[i++]; |
ln.buf[pos++] = blk.buf[i++]; |
ln.buf[pos++] = blk.buf[i++]; |
} |
} |
|
|
if (pos >= (int)ln.sz) |
if (pos >= ln.sz) |
resize_buf(&ln, 256); |
resize_buf(&ln, 256); |
|
|
ln.buf[pos] = '\0'; |
ln.buf[pos] = '\0'; |
Line 422 mparse_buf_r(struct mparse *curp, struct buf blk, int |
|
Line 479 mparse_buf_r(struct mparse *curp, struct buf blk, int |
|
*/ |
*/ |
|
|
if (curp->secondary) { |
if (curp->secondary) { |
curp->secondary->buf = |
curp->secondary->buf = mandoc_realloc( |
mandoc_realloc |
curp->secondary->buf, |
(curp->secondary->buf, |
curp->secondary->sz + pos + 2); |
curp->secondary->sz + pos + 2); |
memcpy(curp->secondary->buf + |
memcpy(curp->secondary->buf + |
curp->secondary->sz, |
curp->secondary->sz, |
ln.buf, pos); |
ln.buf, pos); |
|
curp->secondary->sz += pos; |
curp->secondary->sz += pos; |
curp->secondary->buf |
curp->secondary->buf |
[curp->secondary->sz] = '\n'; |
[curp->secondary->sz] = '\n'; |
Line 437 mparse_buf_r(struct mparse *curp, struct buf blk, int |
|
Line 493 mparse_buf_r(struct mparse *curp, struct buf blk, int |
|
[curp->secondary->sz] = '\0'; |
[curp->secondary->sz] = '\0'; |
} |
} |
rerun: |
rerun: |
rr = roff_parseln |
rr = roff_parseln(curp->roff, curp->line, &ln, &of); |
(curp->roff, curp->line, |
|
&ln.buf, &ln.sz, of, &of); |
|
|
|
switch (rr) { |
switch (rr) { |
case (ROFF_REPARSE): |
case ROFF_REPARSE: |
if (REPARSE_LIMIT >= ++curp->reparse_count) |
if (REPARSE_LIMIT >= ++curp->reparse_count) |
mparse_buf_r(curp, ln, 0); |
mparse_buf_r(curp, ln, of, 0); |
else |
else |
mandoc_msg(MANDOCERR_ROFFLOOP, curp, |
mandoc_msg(MANDOCERR_ROFFLOOP, curp, |
curp->line, pos, NULL); |
curp->line, pos, NULL); |
pos = 0; |
pos = 0; |
continue; |
continue; |
case (ROFF_APPEND): |
case ROFF_APPEND: |
pos = (int)strlen(ln.buf); |
pos = strlen(ln.buf); |
continue; |
continue; |
case (ROFF_RERUN): |
case ROFF_RERUN: |
goto rerun; |
goto rerun; |
case (ROFF_IGN): |
case ROFF_IGN: |
pos = 0; |
pos = 0; |
continue; |
continue; |
case (ROFF_ERR): |
case ROFF_ERR: |
assert(MANDOCLEVEL_FATAL <= curp->file_status); |
assert(MANDOCLEVEL_FATAL <= curp->file_status); |
break; |
break; |
case (ROFF_SO): |
case ROFF_SO: |
|
if ( ! (curp->options & MPARSE_SO) && |
|
(i >= blk.sz || blk.buf[i] == '\0')) { |
|
curp->sodest = mandoc_strdup(ln.buf + of); |
|
free(ln.buf); |
|
return; |
|
} |
/* |
/* |
* We remove `so' clauses from our lookaside |
* We remove `so' clauses from our lookaside |
* buffer because we're going to descend into |
* buffer because we're going to descend into |
* the file recursively. |
* the file recursively. |
*/ |
*/ |
if (curp->secondary) |
if (curp->secondary) |
curp->secondary->sz -= pos + 1; |
curp->secondary->sz -= pos + 1; |
mparse_readfd_r(curp, -1, ln.buf + of, 1); |
mparse_readfd(curp, -1, ln.buf + of); |
if (MANDOCLEVEL_FATAL <= curp->file_status) |
if (MANDOCLEVEL_FATAL <= curp->file_status) { |
|
mandoc_vmsg(MANDOCERR_SO_FAIL, |
|
curp, curp->line, pos, |
|
".so %s", ln.buf + of); |
break; |
break; |
|
} |
pos = 0; |
pos = 0; |
continue; |
continue; |
default: |
default: |
|
|
*/ |
*/ |
|
|
if ( ! (curp->man || curp->mdoc)) |
if ( ! (curp->man || curp->mdoc)) |
pset(ln.buf + of, pos - of, curp); |
choose_parser(curp); |
|
|
/* |
/* |
* Lastly, push down into the parsers themselves. One |
* Lastly, push down into the parsers themselves. |
* of these will have already been set in the pset() |
|
* routine. |
|
* If libroff returns ROFF_TBL, then add it to the |
* If libroff returns ROFF_TBL, then add it to the |
* currently open parse. Since we only get here if |
* currently open parse. Since we only get here if |
* there does exist data (see tbl_data.c), we're |
* there does exist data (see tbl_data.c), we're |
|
|
* Do the same for ROFF_EQN. |
* Do the same for ROFF_EQN. |
*/ |
*/ |
|
|
rc = -1; |
if (rr == ROFF_TBL) { |
|
while ((span = roff_span(curp->roff)) != NULL) |
if (ROFF_TBL == rr) |
if (curp->man == NULL) |
while (NULL != (span = roff_span(curp->roff))) { |
|
rc = curp->man ? |
|
man_addspan(curp->man, span) : |
|
mdoc_addspan(curp->mdoc, span); |
mdoc_addspan(curp->mdoc, span); |
if (0 == rc) |
else |
break; |
man_addspan(curp->man, span); |
} |
} else if (rr == ROFF_EQN) { |
else if (ROFF_EQN == rr) |
if (curp->man == NULL) |
rc = curp->mdoc ? |
mdoc_addeqn(curp->mdoc, roff_eqn(curp->roff)); |
mdoc_addeqn(curp->mdoc, |
else |
roff_eqn(curp->roff)) : |
man_addeqn(curp->man, roff_eqn(curp->roff)); |
man_addeqn(curp->man, |
} else if ((curp->man == NULL ? |
roff_eqn(curp->roff)); |
mdoc_parseln(curp->mdoc, curp->line, ln.buf, of) : |
else if (curp->man || curp->mdoc) |
man_parseln(curp->man, curp->line, ln.buf, of)) == 2) |
rc = curp->man ? |
break; |
man_parseln(curp->man, |
|
curp->line, ln.buf, of) : |
|
mdoc_parseln(curp->mdoc, |
|
curp->line, ln.buf, of); |
|
|
|
if (0 == rc) { |
|
assert(MANDOCLEVEL_FATAL <= curp->file_status); |
|
break; |
|
} |
|
|
|
/* Temporary buffers typically are not full. */ |
/* Temporary buffers typically are not full. */ |
|
|
if (0 == start && '\0' == blk.buf[i]) |
if (0 == start && '\0' == blk.buf[i]) |
|
|
} |
} |
|
|
static int |
static int |
read_whole_file(const char *file, int fd, struct buf *fb, int *with_mmap) |
read_whole_file(struct mparse *curp, const char *file, int fd, |
|
struct buf *fb, int *with_mmap) |
{ |
{ |
size_t off; |
size_t off; |
ssize_t ssz; |
ssize_t ssz; |
|
|
#ifdef HAVE_MMAP |
#if HAVE_MMAP |
struct stat st; |
struct stat st; |
if (-1 == fstat(fd, &st)) { |
if (-1 == fstat(fd, &st)) { |
perror(file); |
curp->file_status = MANDOCLEVEL_SYSERR; |
|
if (curp->mmsg) |
|
(*curp->mmsg)(MANDOCERR_SYSSTAT, curp->file_status, |
|
file, 0, 0, strerror(errno)); |
return(0); |
return(0); |
} |
} |
|
|
Line 570 read_whole_file(const char *file, int fd, struct buf * |
|
Line 624 read_whole_file(const char *file, int fd, struct buf * |
|
|
|
if (S_ISREG(st.st_mode)) { |
if (S_ISREG(st.st_mode)) { |
if (st.st_size >= (1U << 31)) { |
if (st.st_size >= (1U << 31)) { |
fprintf(stderr, "%s: input too large\n", file); |
curp->file_status = MANDOCLEVEL_FATAL; |
|
if (curp->mmsg) |
|
(*curp->mmsg)(MANDOCERR_TOOLARGE, |
|
curp->file_status, file, 0, 0, NULL); |
return(0); |
return(0); |
} |
} |
*with_mmap = 1; |
*with_mmap = 1; |
fb->sz = (size_t)st.st_size; |
fb->sz = (size_t)st.st_size; |
fb->buf = mmap(NULL, fb->sz, PROT_READ, |
fb->buf = mmap(NULL, fb->sz, PROT_READ, MAP_SHARED, fd, 0); |
MAP_FILE|MAP_SHARED, fd, 0); |
|
if (fb->buf != MAP_FAILED) |
if (fb->buf != MAP_FAILED) |
return(1); |
return(1); |
} |
} |
Line 594 read_whole_file(const char *file, int fd, struct buf * |
|
Line 650 read_whole_file(const char *file, int fd, struct buf * |
|
for (;;) { |
for (;;) { |
if (off == fb->sz) { |
if (off == fb->sz) { |
if (fb->sz == (1U << 31)) { |
if (fb->sz == (1U << 31)) { |
fprintf(stderr, "%s: input too large\n", file); |
curp->file_status = MANDOCLEVEL_FATAL; |
|
if (curp->mmsg) |
|
(*curp->mmsg)(MANDOCERR_TOOLARGE, |
|
curp->file_status, |
|
file, 0, 0, NULL); |
break; |
break; |
} |
} |
resize_buf(fb, 65536); |
resize_buf(fb, 65536); |
Line 605 read_whole_file(const char *file, int fd, struct buf * |
|
Line 665 read_whole_file(const char *file, int fd, struct buf * |
|
return(1); |
return(1); |
} |
} |
if (ssz == -1) { |
if (ssz == -1) { |
perror(file); |
curp->file_status = MANDOCLEVEL_SYSERR; |
|
if (curp->mmsg) |
|
(*curp->mmsg)(MANDOCERR_SYSREAD, |
|
curp->file_status, file, 0, 0, |
|
strerror(errno)); |
break; |
break; |
} |
} |
off += (size_t)ssz; |
off += (size_t)ssz; |
Line 623 mparse_end(struct mparse *curp) |
|
Line 687 mparse_end(struct mparse *curp) |
|
if (MANDOCLEVEL_FATAL <= curp->file_status) |
if (MANDOCLEVEL_FATAL <= curp->file_status) |
return; |
return; |
|
|
|
if (curp->mdoc == NULL && |
|
curp->man == NULL && |
|
curp->sodest == NULL) { |
|
if (curp->options & MPARSE_MDOC) |
|
curp->mdoc = curp->pmdoc; |
|
else { |
|
if (curp->pman == NULL) |
|
curp->pman = man_alloc(curp->roff, curp, |
|
curp->options & MPARSE_QUICK ? 1 : 0); |
|
curp->man = curp->pman; |
|
} |
|
} |
|
|
if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) { |
if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) { |
assert(MANDOCLEVEL_FATAL <= curp->file_status); |
assert(MANDOCLEVEL_FATAL <= curp->file_status); |
return; |
return; |
Line 633 mparse_end(struct mparse *curp) |
|
Line 710 mparse_end(struct mparse *curp) |
|
return; |
return; |
} |
} |
|
|
if ( ! (curp->man || curp->mdoc)) { |
|
mandoc_msg(MANDOCERR_NOTMANUAL, curp, 1, 0, NULL); |
|
curp->file_status = MANDOCLEVEL_FATAL; |
|
return; |
|
} |
|
|
|
roff_endparse(curp->roff); |
roff_endparse(curp->roff); |
} |
} |
|
|
static void |
static void |
mparse_parse_buffer(struct mparse *curp, struct buf blk, const char *file, |
mparse_parse_buffer(struct mparse *curp, struct buf blk, const char *file) |
int re) |
|
{ |
{ |
|
struct buf *svprimary; |
const char *svfile; |
const char *svfile; |
|
size_t offset; |
|
static int recursion_depth; |
|
|
|
if (64 < recursion_depth) { |
|
mandoc_msg(MANDOCERR_ROFFLOOP, curp, curp->line, 0, NULL); |
|
return; |
|
} |
|
|
/* Line number is per-file. */ |
/* Line number is per-file. */ |
svfile = curp->file; |
svfile = curp->file; |
curp->file = file; |
curp->file = file; |
|
svprimary = curp->primary; |
|
curp->primary = &blk; |
curp->line = 1; |
curp->line = 1; |
|
recursion_depth++; |
|
|
mparse_buf_r(curp, blk, 1); |
/* Skip an UTF-8 byte order mark. */ |
|
if (curp->filenc & MPARSE_UTF8 && blk.sz > 2 && |
|
(unsigned char)blk.buf[0] == 0xef && |
|
(unsigned char)blk.buf[1] == 0xbb && |
|
(unsigned char)blk.buf[2] == 0xbf) { |
|
offset = 3; |
|
curp->filenc &= ~MPARSE_LATIN1; |
|
} else |
|
offset = 0; |
|
|
if (0 == re && MANDOCLEVEL_FATAL > curp->file_status) |
mparse_buf_r(curp, blk, offset, 1); |
|
|
|
if (0 == --recursion_depth && MANDOCLEVEL_FATAL > curp->file_status) |
mparse_end(curp); |
mparse_end(curp); |
|
|
|
curp->primary = svprimary; |
curp->file = svfile; |
curp->file = svfile; |
} |
} |
|
|
Line 670 mparse_readmem(struct mparse *curp, const void *buf, s |
|
Line 762 mparse_readmem(struct mparse *curp, const void *buf, s |
|
blk.buf = UNCONST(buf); |
blk.buf = UNCONST(buf); |
blk.sz = len; |
blk.sz = len; |
|
|
mparse_parse_buffer(curp, blk, file, 0); |
mparse_parse_buffer(curp, blk, file); |
return(curp->file_status); |
return(curp->file_status); |
} |
} |
|
|
static void |
/* |
mparse_readfd_r(struct mparse *curp, int fd, const char *file, int re) |
* If a file descriptor is given, use it and assume it points |
|
* to the named file. Otherwise, open the named file. |
|
* Read the whole file into memory and call the parsers. |
|
* Called recursively when an .so request is encountered. |
|
*/ |
|
enum mandoclevel |
|
mparse_readfd(struct mparse *curp, int fd, const char *file) |
{ |
{ |
struct buf blk; |
struct buf blk; |
int with_mmap; |
int with_mmap; |
|
int save_filenc; |
|
pid_t save_child; |
|
|
if (-1 == fd) |
save_child = curp->child; |
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
if (fd != -1) |
perror(file); |
curp->child = 0; |
curp->file_status = MANDOCLEVEL_SYSERR; |
else if (mparse_open(curp, &fd, file) >= MANDOCLEVEL_SYSERR) |
return; |
goto out; |
} |
|
/* |
|
* Run for each opened file; may be called more than once for |
|
* each full parse sequence if the opened file is nested (i.e., |
|
* from `so'). Simply sucks in the whole file and moves into |
|
* the parse phase for the file. |
|
*/ |
|
|
|
if ( ! read_whole_file(file, fd, &blk, &with_mmap)) { |
if (read_whole_file(curp, file, fd, &blk, &with_mmap)) { |
curp->file_status = MANDOCLEVEL_SYSERR; |
save_filenc = curp->filenc; |
return; |
curp->filenc = curp->options & |
|
(MPARSE_UTF8 | MPARSE_LATIN1); |
|
mparse_parse_buffer(curp, blk, file); |
|
curp->filenc = save_filenc; |
|
#if HAVE_MMAP |
|
if (with_mmap) |
|
munmap(blk.buf, blk.sz); |
|
else |
|
#endif |
|
free(blk.buf); |
} |
} |
|
|
mparse_parse_buffer(curp, blk, file, re); |
if (fd != STDIN_FILENO && close(fd) == -1) |
|
|
#ifdef HAVE_MMAP |
|
if (with_mmap) |
|
munmap(blk.buf, blk.sz); |
|
else |
|
#endif |
|
free(blk.buf); |
|
|
|
if (STDIN_FILENO != fd && -1 == close(fd)) |
|
perror(file); |
perror(file); |
|
|
|
mparse_wait(curp); |
|
out: |
|
curp->child = save_child; |
|
return(curp->file_status); |
} |
} |
|
|
enum mandoclevel |
enum mandoclevel |
mparse_readfd(struct mparse *curp, int fd, const char *file) |
mparse_open(struct mparse *curp, int *fd, const char *file) |
{ |
{ |
|
int pfd[2]; |
|
int save_errno; |
|
char *cp; |
|
enum mandocerr err; |
|
|
mparse_readfd_r(curp, fd, file, 0); |
pfd[1] = -1; |
|
curp->file = file; |
|
|
|
/* Unless zipped, try to just open the file. */ |
|
|
|
if ((cp = strrchr(file, '.')) == NULL || |
|
strcmp(cp + 1, "gz")) { |
|
curp->child = 0; |
|
if ((*fd = open(file, O_RDONLY)) != -1) |
|
return(MANDOCLEVEL_OK); |
|
|
|
/* Open failed; try to append ".gz". */ |
|
|
|
mandoc_asprintf(&cp, "%s.gz", file); |
|
file = cp; |
|
} else |
|
cp = NULL; |
|
|
|
/* Before forking, make sure the file can be read. */ |
|
|
|
save_errno = errno; |
|
if (access(file, R_OK) == -1) { |
|
if (cp != NULL) |
|
errno = save_errno; |
|
err = MANDOCERR_SYSOPEN; |
|
goto out; |
|
} |
|
|
|
/* Run gunzip(1). */ |
|
|
|
if (pipe(pfd) == -1) { |
|
err = MANDOCERR_SYSPIPE; |
|
goto out; |
|
} |
|
|
|
switch (curp->child = fork()) { |
|
case -1: |
|
err = MANDOCERR_SYSFORK; |
|
close(pfd[0]); |
|
close(pfd[1]); |
|
pfd[1] = -1; |
|
break; |
|
case 0: |
|
close(pfd[0]); |
|
if (dup2(pfd[1], STDOUT_FILENO) == -1) { |
|
err = MANDOCERR_SYSDUP; |
|
break; |
|
} |
|
execlp("gunzip", "gunzip", "-c", file, NULL); |
|
err = MANDOCERR_SYSEXEC; |
|
break; |
|
default: |
|
close(pfd[1]); |
|
*fd = pfd[0]; |
|
return(MANDOCLEVEL_OK); |
|
} |
|
|
|
out: |
|
free(cp); |
|
*fd = -1; |
|
curp->child = 0; |
|
curp->file_status = MANDOCLEVEL_SYSERR; |
|
if (curp->mmsg) |
|
(*curp->mmsg)(err, curp->file_status, curp->file, |
|
0, 0, strerror(errno)); |
|
if (pfd[1] != -1) |
|
exit(1); |
return(curp->file_status); |
return(curp->file_status); |
} |
} |
|
|
|
enum mandoclevel |
|
mparse_wait(struct mparse *curp) |
|
{ |
|
int status; |
|
|
|
if (curp->child == 0) |
|
return(MANDOCLEVEL_OK); |
|
|
|
if (waitpid(curp->child, &status, 0) == -1) { |
|
mandoc_msg(MANDOCERR_SYSWAIT, curp, 0, 0, |
|
strerror(errno)); |
|
curp->file_status = MANDOCLEVEL_SYSERR; |
|
return(curp->file_status); |
|
} |
|
if (WIFSIGNALED(status)) { |
|
mandoc_vmsg(MANDOCERR_SYSSIG, curp, 0, 0, |
|
"%d", WTERMSIG(status)); |
|
curp->file_status = MANDOCLEVEL_SYSERR; |
|
return(curp->file_status); |
|
} |
|
if (WEXITSTATUS(status)) { |
|
mandoc_vmsg(MANDOCERR_SYSEXIT, curp, 0, 0, |
|
"%d", WEXITSTATUS(status)); |
|
curp->file_status = MANDOCLEVEL_SYSERR; |
|
return(curp->file_status); |
|
} |
|
return(MANDOCLEVEL_OK); |
|
} |
|
|
struct mparse * |
struct mparse * |
mparse_alloc(enum mparset inttype, enum mandoclevel wlevel, mandocmsg mmsg, void *arg) |
mparse_alloc(int options, enum mandoclevel wlevel, mandocmsg mmsg, |
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const struct mchars *mchars, const char *defos) |
{ |
{ |
struct mparse *curp; |
struct mparse *curp; |
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Line 728 mparse_alloc(enum mparset inttype, enum mandoclevel wl |
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Line 926 mparse_alloc(enum mparset inttype, enum mandoclevel wl |
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curp = mandoc_calloc(1, sizeof(struct mparse)); |
curp = mandoc_calloc(1, sizeof(struct mparse)); |
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curp->options = options; |
curp->wlevel = wlevel; |
curp->wlevel = wlevel; |
curp->mmsg = mmsg; |
curp->mmsg = mmsg; |
curp->arg = arg; |
curp->defos = defos; |
curp->inttype = inttype; |
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curp->roff = roff_alloc(curp); |
curp->mchars = mchars; |
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curp->roff = roff_alloc(curp, curp->mchars, options); |
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if (curp->options & MPARSE_MDOC) |
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curp->pmdoc = mdoc_alloc( |
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curp->roff, curp, curp->defos, |
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curp->options & MPARSE_QUICK ? 1 : 0); |
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if (curp->options & MPARSE_MAN) |
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curp->pman = man_alloc(curp->roff, curp, |
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curp->options & MPARSE_QUICK ? 1 : 0); |
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return(curp); |
return(curp); |
} |
} |
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Line 753 mparse_reset(struct mparse *curp) |
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Line 960 mparse_reset(struct mparse *curp) |
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curp->file_status = MANDOCLEVEL_OK; |
curp->file_status = MANDOCLEVEL_OK; |
curp->mdoc = NULL; |
curp->mdoc = NULL; |
curp->man = NULL; |
curp->man = NULL; |
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free(curp->sodest); |
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curp->sodest = NULL; |
} |
} |
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void |
void |
Line 769 mparse_free(struct mparse *curp) |
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Line 979 mparse_free(struct mparse *curp) |
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free(curp->secondary->buf); |
free(curp->secondary->buf); |
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free(curp->secondary); |
free(curp->secondary); |
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free(curp->sodest); |
free(curp); |
free(curp); |
} |
} |
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void |
void |
mparse_result(struct mparse *curp, struct mdoc **mdoc, struct man **man) |
mparse_result(struct mparse *curp, |
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struct mdoc **mdoc, struct man **man, char **sodest) |
{ |
{ |
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if (sodest && NULL != (*sodest = curp->sodest)) { |
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*mdoc = NULL; |
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*man = NULL; |
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return; |
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} |
if (mdoc) |
if (mdoc) |
*mdoc = curp->mdoc; |
*mdoc = curp->mdoc; |
if (man) |
if (man) |
Line 790 mandoc_vmsg(enum mandocerr t, struct mparse *m, |
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Line 1007 mandoc_vmsg(enum mandocerr t, struct mparse *m, |
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va_list ap; |
va_list ap; |
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va_start(ap, fmt); |
va_start(ap, fmt); |
vsnprintf(buf, sizeof(buf) - 1, fmt, ap); |
(void)vsnprintf(buf, sizeof(buf), fmt, ap); |
va_end(ap); |
va_end(ap); |
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mandoc_msg(t, m, ln, pos, buf); |
mandoc_msg(t, m, ln, pos, buf); |
} |
} |
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void |
void |
mandoc_msg(enum mandocerr er, struct mparse *m, |
mandoc_msg(enum mandocerr er, struct mparse *m, |
int ln, int col, const char *msg) |
int ln, int col, const char *msg) |
{ |
{ |
enum mandoclevel level; |
enum mandoclevel level; |