sync to OpenBSD:

[mandoc.git] / main.c

diff --git a/main.c b/main.c
index 69cfb3b07c91894cdf3e84a8e965899206350ddc..f1d6406248d24f9d57e4801e3c24d2a91980cfd5 100644 (file)
--- a/main.c
+++ b/main.c
@@ -1,6 +1,7 @@
-/*     $Id: main.c,v 1.78 2010/05/16 22:28:33 kristaps Exp $ */
+/*     $Id: main.c,v 1.106 2010/09/26 20:22:28 schwarze Exp $ */

 /*
 /*

- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>

  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above


@@ -22,6 +23,7 @@
 #include <sys/stat.h>
 
 #include <assert.h>
 #include <sys/stat.h>
 
 #include <assert.h>

+#include <ctype.h>

 #include <fcntl.h>
 #include <stdio.h>
 #include <stdint.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdint.h>


@@ -30,10 +32,14 @@
 #include <unistd.h>
 
 #include "mandoc.h"
 #include <unistd.h>
 
 #include "mandoc.h"

+#include "main.h"

 #include "mdoc.h"
 #include "man.h"
 #include "roff.h"
 #include "mdoc.h"
 #include "man.h"
 #include "roff.h"

-#include "main.h"
+
+#ifndef MAP_FILE
+#define        MAP_FILE        0
+#endif

 
 #define        UNCONST(a)      ((void *)(uintptr_t)(const void *)(a))
 
 
 #define        UNCONST(a)      ((void *)(uintptr_t)(const void *)(a))
 


@@ -65,56 +71,141 @@ enum       outt {
        OUTT_TREE,
        OUTT_HTML,
        OUTT_XHTML,
        OUTT_TREE,
        OUTT_HTML,
        OUTT_XHTML,

-       OUTT_LINT
+       OUTT_LINT,
+       OUTT_PS,
+       OUTT_PDF

 };
 
 struct curparse {
        const char       *file;         /* Current parse. */
        int               fd;           /* Current parse. */
 };
 
 struct curparse {
        const char       *file;         /* Current parse. */
        int               fd;           /* Current parse. */

-       int               wflags;
-       /* FIXME: set by max error */
-#define        WARN_WALL        (1 << 0)       /* All-warnings mask. */
-#define        WARN_WERR        (1 << 2)       /* Warnings->errors. */
-       int               fflags;
-#define        FL_IGN_SCOPE     (1 << 0)       /* Ignore scope errors. */
-#define        FL_NIGN_ESCAPE   (1 << 1)       /* Don't ignore bad escapes. */
-#define        FL_NIGN_MACRO    (1 << 2)       /* Don't ignore bad macros. */
-#define        FL_IGN_ERRORS    (1 << 4)       /* Ignore failed parse. */
-#define        FL_STRICT         FL_NIGN_ESCAPE | \
-                         FL_NIGN_MACRO
-       enum intt         inttype;      /* Input parsers... */
-       struct man       *man;
-       struct mdoc      *mdoc;
-       struct roff      *roff;
-       enum outt         outtype;      /* Output devices... */
-       out_mdoc          outmdoc;
-       out_man           outman;
-       out_free          outfree;
-       void             *outdata;
-       char              outopts[BUFSIZ];
+       enum mandoclevel  wlevel;       /* Ignore messages below this. */
+       int               wstop;        /* Stop after a file with a warning. */
+       enum intt         inttype;      /* which parser to use */
+       struct man       *man;          /* man parser */
+       struct mdoc      *mdoc;         /* mdoc parser */
+       struct roff      *roff;         /* roff parser (!NULL) */
+       struct regset     regs;         /* roff registers */
+       enum outt         outtype;      /* which output to use */
+       out_mdoc          outmdoc;      /* mdoc output ptr */
+       out_man           outman;       /* man output ptr */
+       out_free          outfree;      /* free output ptr */
+       void             *outdata;      /* data for output */
+       char              outopts[BUFSIZ]; /* buf of output opts */
+};
+
+static const char * const      mandoclevels[MANDOCLEVEL_MAX] = {
+       "SUCCESS",
+       "RESERVED",
+       "WARNING",
+       "ERROR",
+       "FATAL",
+       "BADARG",
+       "SYSERR"
+};
+
+static const enum mandocerr    mandoclimits[MANDOCLEVEL_MAX] = {
+       MANDOCERR_OK,
+       MANDOCERR_WARNING,
+       MANDOCERR_WARNING,
+       MANDOCERR_ERROR,
+       MANDOCERR_FATAL,
+       MANDOCERR_MAX,
+       MANDOCERR_MAX
+};
+
+static const char * const      mandocerrs[MANDOCERR_MAX] = {
+       "ok",
+
+       "generic warning",
+
+       "text should be uppercase",
+       "sections out of conventional order",
+       "section name repeats",
+       "out of order prologue",
+       "repeated prologue entry",
+       "list type must come first",
+       "bad standard",
+       "bad library",
+       "tab in non-literal context",
+       "bad escape sequence",
+       "unterminated quoted string",
+       "argument requires the width argument",
+       "superfluous width argument",
+       "ignoring argument",
+       "bad date argument",
+       "bad width argument",
+       "unknown manual section",
+       "section not in conventional manual section",
+       "end of line whitespace",
+       "blocks badly nested",
+
+       "generic error",
+
+       "NAME section must come first",
+       "bad Boolean value",
+       "child violates parent syntax",
+       "bad AT&T symbol",
+       "list type repeated",
+       "display type repeated",
+       "argument repeated",
+       "manual name not yet set",
+       "obsolete macro ignored",
+       "empty macro ignored",
+       "macro not allowed in body",
+       "macro not allowed in prologue",
+       "bad character",
+       "bad NAME section contents",
+       "no blank lines",
+       "no text in this context",
+       "bad comment style",
+       "unknown macro will be lost",
+       "line scope broken",
+       "argument count wrong",
+       "request scope close w/none open",
+       "scope already open",
+       "scope open on exit",
+       "macro requires line argument(s)",
+       "macro requires body argument(s)",
+       "macro requires argument(s)",
+       "no title in document",
+       "missing list type",
+       "missing display type",
+       "missing font type",
+       "line argument(s) will be lost",
+       "body argument(s) will be lost",
+
+       "generic fatal error",
+
+       "column syntax is inconsistent",
+       "displays may not be nested",
+       "unsupported display type",
+       "blocks badly nested",
+       "no such block is open",
+       "line scope broken, syntax violated",
+       "argument count wrong, violates syntax",
+       "child violates parent syntax",
+       "argument count wrong, violates syntax",
+       "no document body",
+       "no document prologue",
+       "utsname system call failed",
+       "static buffer exhausted",

 };
 
 static void              fdesc(struct curparse *);
 static void              ffile(const char *, struct curparse *);
 };
 
 static void              fdesc(struct curparse *);
 static void              ffile(const char *, struct curparse *);

-static int               foptions(int *, char *);
-static struct man       *man_init(struct curparse *);
-static struct mdoc      *mdoc_init(struct curparse *);
-static struct roff      *roff_init(struct curparse *);
-static int               merr(void *, int, int, const char *); /* DEPRECATED */

 static int               moptions(enum intt *, char *);
 static int               moptions(enum intt *, char *);

-static int               mwarn(void *, int, int, const char *); /* DEPRECATED */

 static int               mmsg(enum mandocerr, void *, 
                                int, int, const char *);
 static int               mmsg(enum mandocerr, void *, 
                                int, int, const char *);

-static int               pset(const char *, int, struct curparse *,
+static void              pset(const char *, int, struct curparse *,

                                struct man **, struct mdoc **);
 static int               toptions(struct curparse *, char *);
 static void              usage(void) __attribute__((noreturn));
 static void              version(void) __attribute__((noreturn));
                                struct man **, struct mdoc **);
 static int               toptions(struct curparse *, char *);
 static void              usage(void) __attribute__((noreturn));
 static void              version(void) __attribute__((noreturn));

-static int               woptions(int *, char *);
+static int               woptions(struct curparse *, char *);

 
 static const char       *progname;
 
 static const char       *progname;

-static         int               with_error;
-static int               with_warning;
+static enum mandoclevel  exit_status = MANDOCLEVEL_OK;

 
 int
 main(int argc, char *argv[])
 
 int
 main(int argc, char *argv[])


@@ -132,17 +223,14 @@ main(int argc, char *argv[])
 
        curp.inttype = INTT_AUTO;
        curp.outtype = OUTT_ASCII;
 
        curp.inttype = INTT_AUTO;
        curp.outtype = OUTT_ASCII;

+       curp.wlevel  = MANDOCLEVEL_FATAL;

 
        /* LINTED */
 
        /* LINTED */

-       while (-1 != (c = getopt(argc, argv, "f:m:O:T:VW:")))
+       while (-1 != (c = getopt(argc, argv, "m:O:T:VW:")))

                switch (c) {
                switch (c) {

-               case ('f'):
-                       if ( ! foptions(&curp.fflags, optarg))
-                               return(EXIT_FAILURE);
-                       break;

                case ('m'):
                        if ( ! moptions(&curp.inttype, optarg))
                case ('m'):
                        if ( ! moptions(&curp.inttype, optarg))

-                               return(EXIT_FAILURE);
+                               return((int)MANDOCLEVEL_BADARG);

                        break;
                case ('O'):
                        (void)strlcat(curp.outopts, optarg, BUFSIZ);
                        break;
                case ('O'):
                        (void)strlcat(curp.outopts, optarg, BUFSIZ);


@@ -150,11 +238,11 @@ main(int argc, char *argv[])
                        break;
                case ('T'):
                        if ( ! toptions(&curp, optarg))
                        break;
                case ('T'):
                        if ( ! toptions(&curp, optarg))

-                               return(EXIT_FAILURE);
+                               return((int)MANDOCLEVEL_BADARG);

                        break;
                case ('W'):
                        break;
                case ('W'):

-                       if ( ! woptions(&curp.wflags, optarg))
-                               return(EXIT_FAILURE);
+                       if ( ! woptions(&curp, optarg))
+                               return((int)MANDOCLEVEL_BADARG);

                        break;
                case ('V'):
                        version();
                        break;
                case ('V'):
                        version();


@@ -176,8 +264,7 @@ main(int argc, char *argv[])
 
        while (*argv) {
                ffile(*argv, &curp);
 
        while (*argv) {
                ffile(*argv, &curp);

-
-               if (with_error && !(curp.fflags & FL_IGN_ERRORS))
+               if (MANDOCLEVEL_OK != exit_status && curp.wstop)

                        break;
                ++argv;
        }
                        break;
                ++argv;
        }


@@ -191,8 +278,7 @@ main(int argc, char *argv[])
        if (curp.roff)
                roff_free(curp.roff);
 
        if (curp.roff)
                roff_free(curp.roff);
 

-       return((with_warning || with_error) ? 
-                       EXIT_FAILURE :  EXIT_SUCCESS);
+       return((int)exit_status);

 }
 
 
 }
 
 


@@ -201,7 +287,7 @@ version(void)
 {
 
        (void)printf("%s %s\n", progname, VERSION);
 {
 
        (void)printf("%s %s\n", progname, VERSION);

-       exit(EXIT_SUCCESS);
+       exit((int)MANDOCLEVEL_OK);

 }
 
 
 }
 
 


@@ -212,61 +298,7 @@ usage(void)
        (void)fprintf(stderr, "usage: %s [-V] [-foption] "
                        "[-mformat] [-Ooption] [-Toutput] "
                        "[-Werr] [file...]\n", progname);
        (void)fprintf(stderr, "usage: %s [-V] [-foption] "
                        "[-mformat] [-Ooption] [-Toutput] "
                        "[-Werr] [file...]\n", progname);

-       exit(EXIT_FAILURE);
-}
-
-
-static struct man *
-man_init(struct curparse *curp)
-{
-       int              pflags;
-       struct man_cb    mancb;
-
-       mancb.man_err = merr;
-       mancb.man_warn = mwarn;
-
-       /* Defaults from mandoc.1. */
-
-       pflags = MAN_IGN_MACRO | MAN_IGN_ESCAPE;
-
-       if (curp->fflags & FL_NIGN_MACRO)
-               pflags &= ~MAN_IGN_MACRO;
-       if (curp->fflags & FL_NIGN_ESCAPE)
-               pflags &= ~MAN_IGN_ESCAPE;
-
-       return(man_alloc(curp, pflags, &mancb));
-}
-
-
-static struct roff *
-roff_init(struct curparse *curp)
-{
-
-       return(roff_alloc(mmsg, curp));
-}
-
-
-static struct mdoc *
-mdoc_init(struct curparse *curp)
-{
-       int              pflags;
-       struct mdoc_cb   mdoccb;
-
-       mdoccb.mdoc_err = merr;
-       mdoccb.mdoc_warn = mwarn;
-
-       /* Defaults from mandoc.1. */
-
-       pflags = MDOC_IGN_MACRO | MDOC_IGN_ESCAPE;
-
-       if (curp->fflags & FL_IGN_SCOPE)
-               pflags |= MDOC_IGN_SCOPE;
-       if (curp->fflags & FL_NIGN_ESCAPE)
-               pflags &= ~MDOC_IGN_ESCAPE;
-       if (curp->fflags & FL_NIGN_MACRO)
-               pflags &= ~MDOC_IGN_MACRO;
-
-       return(mdoc_alloc(curp, pflags, &mdoccb));
+       exit((int)MANDOCLEVEL_BADARG);

 }
 
 
 }
 
 


@@ -277,7 +309,7 @@ ffile(const char *file, struct curparse *curp)
        curp->file = file;
        if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
                perror(curp->file);
        curp->file = file;
        if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
                perror(curp->file);

-               with_error = 1;
+               exit_status = MANDOCLEVEL_SYSERR;

                return;
        }
 
                return;
        }
 


@@ -288,24 +320,16 @@ ffile(const char *file, struct curparse *curp)
 }
 
 
 }
 
 

-static int
+static void

 resize_buf(struct buf *buf, size_t initial)
 {
 resize_buf(struct buf *buf, size_t initial)
 {

-       void *tmp;
-       size_t sz;

 
 

-       if (buf->sz == 0)
-               sz = initial;
-       else
-               sz = 2 * buf->sz;
-       tmp = realloc(buf->buf, sz);
-       if (NULL == tmp) {
+       buf->sz = buf->sz ? 2 * buf->sz : initial;
+       buf->buf = realloc(buf->buf, buf->sz);
+       if (NULL == buf->buf) {

                perror(NULL);
                perror(NULL);

-               return(0);
+               exit((int)MANDOCLEVEL_SYSERR);

        }
        }

-       buf->buf = tmp;
-       buf->sz = sz;
-       return(1);

 }
 
 
 }
 
 


@@ -318,7 +342,6 @@ read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
 
        if (-1 == fstat(curp->fd, &st)) {
                perror(curp->file);
 
        if (-1 == fstat(curp->fd, &st)) {
                perror(curp->file);

-               with_error = 1;

                return(0);
        }
 
                return(0);
        }
 


@@ -333,13 +356,12 @@ read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
                if (st.st_size >= (1U << 31)) {
                        fprintf(stderr, "%s: input too large\n", 
                                        curp->file);
                if (st.st_size >= (1U << 31)) {
                        fprintf(stderr, "%s: input too large\n", 
                                        curp->file);

-                       with_error = 1;

                        return(0);
                }
                *with_mmap = 1;
                fb->sz = (size_t)st.st_size;
                fb->buf = mmap(NULL, fb->sz, PROT_READ, 
                        return(0);
                }
                *with_mmap = 1;
                fb->sz = (size_t)st.st_size;
                fb->buf = mmap(NULL, fb->sz, PROT_READ, 

-                               MAP_FILE, curp->fd, 0);
+                               MAP_FILE|MAP_SHARED, curp->fd, 0);

                if (fb->buf != MAP_FAILED)
                        return(1);
        }
                if (fb->buf != MAP_FAILED)
                        return(1);
        }


@@ -360,8 +382,7 @@ read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
                                                curp->file);
                                break;
                        }
                                                curp->file);
                                break;
                        }

-                       if (! resize_buf(fb, 65536))
-                               break;
+                       resize_buf(fb, 65536);

                }
                ssz = read(curp->fd, fb->buf + (int)off, fb->sz - off);
                if (ssz == 0) {
                }
                ssz = read(curp->fd, fb->buf + (int)off, fb->sz - off);
                if (ssz == 0) {


@@ -377,7 +398,6 @@ read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
 
        free(fb->buf);
        fb->buf = NULL;
 
        free(fb->buf);
        fb->buf = NULL;

-       with_error = 1;

        return(0);
 }
 
        return(0);
 }
 


@@ -388,6 +408,7 @@ fdesc(struct curparse *curp)
        struct buf       ln, blk;
        int              i, pos, lnn, lnn_start, with_mmap, of;
        enum rofferr     re;
        struct buf       ln, blk;
        int              i, pos, lnn, lnn_start, with_mmap, of;
        enum rofferr     re;

+       unsigned char    c;

        struct man      *man;
        struct mdoc     *mdoc;
        struct roff     *roff;
        struct man      *man;
        struct mdoc     *mdoc;
        struct roff     *roff;


@@ -395,6 +416,7 @@ fdesc(struct curparse *curp)
        man = NULL;
        mdoc = NULL;
        roff = NULL;
        man = NULL;
        mdoc = NULL;
        roff = NULL;

+

        memset(&ln, 0, sizeof(struct buf));
 
        /*
        memset(&ln, 0, sizeof(struct buf));
 
        /*


@@ -402,13 +424,15 @@ fdesc(struct curparse *curp)
         * memory mapped.  ln is a line buffer and grows on-demand.
         */
 
         * memory mapped.  ln is a line buffer and grows on-demand.
         */
 

-       if ( ! read_whole_file(curp, &blk, &with_mmap))
+       if ( ! read_whole_file(curp, &blk, &with_mmap)) {
+               exit_status = MANDOCLEVEL_SYSERR;

                return;
                return;

+       }

 
        if (NULL == curp->roff) 
 
        if (NULL == curp->roff) 

-               curp->roff = roff_init(curp);
-       if (NULL == (roff = curp->roff))
-               goto bailout;
+               curp->roff = roff_alloc(&curp->regs, curp, mmsg);
+       assert(curp->roff);
+       roff = curp->roff;

 
        for (i = 0, lnn = 1; i < (int)blk.sz;) {
                pos = 0;
 
        for (i = 0, lnn = 1; i < (int)blk.sz;) {
                pos = 0;


@@ -419,11 +443,28 @@ fdesc(struct curparse *curp)
                                ++lnn;
                                break;
                        }
                                ++lnn;
                                break;
                        }

+
+                       /* 
+                        * Warn about bogus characters.  If you're using
+                        * non-ASCII encoding, you're screwing your
+                        * readers.  Since I'd rather this not happen,
+                        * I'll be helpful and drop these characters so
+                        * we don't display gibberish.  Note to manual
+                        * writers: use special characters.
+                        */
+
+                       c = (unsigned char) blk.buf[i];
+                       if ( ! (isascii(c) && (isgraph(c) || isblank(c)))) {
+                               mmsg(MANDOCERR_BADCHAR, curp, 
+                                   lnn_start, pos, "ignoring byte");
+                               i++;
+                               continue;
+                       }
+

                        /* Trailing backslash is like a plain character. */
                        if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
                                if (pos >= (int)ln.sz)
                        /* Trailing backslash is like a plain character. */
                        if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
                                if (pos >= (int)ln.sz)

-                                       if (! resize_buf(&ln, 256))
-                                               goto bailout;
+                                       resize_buf(&ln, 256);

                                ln.buf[pos++] = blk.buf[i++];
                                continue;
                        }
                                ln.buf[pos++] = blk.buf[i++];
                                continue;
                        }


@@ -455,16 +496,14 @@ fdesc(struct curparse *curp)
                        }
                        /* Some other escape sequence, copy and continue. */
                        if (pos + 1 >= (int)ln.sz)
                        }
                        /* Some other escape sequence, copy and continue. */
                        if (pos + 1 >= (int)ln.sz)

-                               if (! resize_buf(&ln, 256))
-                                       goto bailout;
+                               resize_buf(&ln, 256);

 
                        ln.buf[pos++] = blk.buf[i++];
                        ln.buf[pos++] = blk.buf[i++];
                }
 
                if (pos >= (int)ln.sz)
 
                        ln.buf[pos++] = blk.buf[i++];
                        ln.buf[pos++] = blk.buf[i++];
                }
 
                if (pos >= (int)ln.sz)

-                       if (! resize_buf(&ln, 256))
-                               goto bailout;
+                       resize_buf(&ln, 256);

                ln.buf[pos] = '\0';
 
                /*
                ln.buf[pos] = '\0';
 
                /*


@@ -482,10 +521,12 @@ fdesc(struct curparse *curp)
                                        &ln.buf, &ln.sz, of, &of);
                } while (ROFF_RERUN == re);
 
                                        &ln.buf, &ln.sz, of, &of);
                } while (ROFF_RERUN == re);
 

-               if (ROFF_IGN == re)
+               if (ROFF_IGN == re) {

                        continue;
                        continue;

-               else if (ROFF_ERR == re)
-                       goto bailout;
+               } else if (ROFF_ERR == re) {
+                       assert(MANDOCLEVEL_FATAL <= exit_status);
+                       goto cleanup;
+               }

 
                /*
                 * If input parsers have not been allocated, do so now.
 
                /*
                 * If input parsers have not been allocated, do so now.


@@ -495,32 +536,50 @@ fdesc(struct curparse *curp)
                 */
 
                if ( ! (man || mdoc))
                 */
 
                if ( ! (man || mdoc))

-                       if ( ! pset(ln.buf + of, pos - of, curp, &man, &mdoc))
-                               goto bailout;
+                       pset(ln.buf + of, pos - of, curp, &man, &mdoc);

 
                /* Lastly, push down into the parsers themselves. */
 
 
                /* Lastly, push down into the parsers themselves. */
 

-               if (man && ! man_parseln(man, lnn_start, ln.buf, of))
-                       goto bailout;
-               if (mdoc && ! mdoc_parseln(mdoc, lnn_start, ln.buf, of))
-                       goto bailout;
+               if (man && ! man_parseln(man, lnn_start, ln.buf, of)) {
+                       assert(MANDOCLEVEL_FATAL <= exit_status);
+                       goto cleanup;
+               }
+               if (mdoc && ! mdoc_parseln(mdoc, lnn_start, ln.buf, of)) {
+                       assert(MANDOCLEVEL_FATAL <= exit_status);
+                       goto cleanup;
+               }

        }
 
        /* NOTE a parser may not have been assigned, yet. */
 
        if ( ! (man || mdoc)) {
                fprintf(stderr, "%s: Not a manual\n", curp->file);
        }
 
        /* NOTE a parser may not have been assigned, yet. */
 
        if ( ! (man || mdoc)) {
                fprintf(stderr, "%s: Not a manual\n", curp->file);

-               goto bailout;
+               exit_status = MANDOCLEVEL_FATAL;
+               goto cleanup;

        }
 
        /* Clean up the parse routine ASTs. */
 
        }
 
        /* Clean up the parse routine ASTs. */
 

-       if (mdoc && ! mdoc_endparse(mdoc))
-               goto bailout;
-       if (man && ! man_endparse(man))
-               goto bailout;
-       if (roff && ! roff_endparse(roff))
-               goto bailout;
+       if (mdoc && ! mdoc_endparse(mdoc)) {
+               assert(MANDOCLEVEL_FATAL <= exit_status);
+               goto cleanup;
+       }
+       if (man && ! man_endparse(man)) {
+               assert(MANDOCLEVEL_FATAL <= exit_status);
+               goto cleanup;
+       }
+       if (roff && ! roff_endparse(roff)) {
+               assert(MANDOCLEVEL_FATAL <= exit_status);
+               goto cleanup;
+       }
+
+       /*
+        * With -Wstop and warnings or errors of at least
+        * the requested level, do not produce output.
+        */
+
+       if (MANDOCLEVEL_OK != exit_status && curp->wstop)
+               goto cleanup;

 
        /* If unset, allocate output dev now (if applicable). */
 
 
        /* If unset, allocate output dev now (if applicable). */
 


@@ -528,12 +587,30 @@ fdesc(struct curparse *curp)
                switch (curp->outtype) {
                case (OUTT_XHTML):
                        curp->outdata = xhtml_alloc(curp->outopts);
                switch (curp->outtype) {
                case (OUTT_XHTML):
                        curp->outdata = xhtml_alloc(curp->outopts);

-                       curp->outman = html_man;
-                       curp->outmdoc = html_mdoc;
-                       curp->outfree = html_free;

                        break;
                case (OUTT_HTML):
                        curp->outdata = html_alloc(curp->outopts);
                        break;
                case (OUTT_HTML):
                        curp->outdata = html_alloc(curp->outopts);

+                       break;
+               case (OUTT_ASCII):
+                       curp->outdata = ascii_alloc(curp->outopts);
+                       curp->outfree = ascii_free;
+                       break;
+               case (OUTT_PDF):
+                       curp->outdata = pdf_alloc(curp->outopts);
+                       curp->outfree = pspdf_free;
+                       break;
+               case (OUTT_PS):
+                       curp->outdata = ps_alloc(curp->outopts);
+                       curp->outfree = pspdf_free;
+                       break;
+               default:
+                       break;
+               }
+
+               switch (curp->outtype) {
+               case (OUTT_HTML):
+                       /* FALLTHROUGH */
+               case (OUTT_XHTML):

                        curp->outman = html_man;
                        curp->outmdoc = html_mdoc;
                        curp->outfree = html_free;
                        curp->outman = html_man;
                        curp->outmdoc = html_mdoc;
                        curp->outfree = html_free;


@@ -542,13 +619,15 @@ fdesc(struct curparse *curp)
                        curp->outman = tree_man;
                        curp->outmdoc = tree_mdoc;
                        break;
                        curp->outman = tree_man;
                        curp->outmdoc = tree_mdoc;
                        break;

-               case (OUTT_LINT):
-                       break;
-               default:
-                       curp->outdata = ascii_alloc(80);
+               case (OUTT_PDF):
+                       /* FALLTHROUGH */
+               case (OUTT_ASCII):
+                       /* FALLTHROUGH */
+               case (OUTT_PS):

                        curp->outman = terminal_man;
                        curp->outmdoc = terminal_mdoc;
                        curp->outman = terminal_man;
                        curp->outmdoc = terminal_mdoc;

-                       curp->outfree = terminal_free;
+                       break;
+               default:

                        break;
                }
        }
                        break;
                }
        }


@@ -561,6 +640,7 @@ fdesc(struct curparse *curp)
                (*curp->outmdoc)(curp->outdata, mdoc);
 
  cleanup:
                (*curp->outmdoc)(curp->outdata, mdoc);
 
  cleanup:

+       memset(&curp->regs, 0, sizeof(struct regset));

        if (mdoc)
                mdoc_reset(mdoc);
        if (man)
        if (mdoc)
                mdoc_reset(mdoc);
        if (man)


@@ -575,14 +655,10 @@ fdesc(struct curparse *curp)
                free(blk.buf);
 
        return;
                free(blk.buf);
 
        return;

-
- bailout:
-       with_error = 1;
-       goto cleanup;

 }
 
 
 }
 
 

-static int
+static void

 pset(const char *buf, int pos, struct curparse *curp,
                struct man **man, struct mdoc **mdoc)
 {
 pset(const char *buf, int pos, struct curparse *curp,
                struct man **man, struct mdoc **mdoc)
 {


@@ -600,40 +676,39 @@ pset(const char *buf, int pos, struct curparse *curp,
                for (i = 1; buf[i]; i++)
                        if (' ' != buf[i] && '\t' != buf[i])
                                break;
                for (i = 1; buf[i]; i++)
                        if (' ' != buf[i] && '\t' != buf[i])
                                break;

-               if (0 == buf[i])
-                       return(1);
+               if ('\0' == buf[i])
+                       return;

        }
 
        switch (curp->inttype) {
        case (INTT_MDOC):
                if (NULL == curp->mdoc) 
        }
 
        switch (curp->inttype) {
        case (INTT_MDOC):
                if (NULL == curp->mdoc) 

-                       curp->mdoc = mdoc_init(curp);
-               if (NULL == (*mdoc = curp->mdoc))
-                       return(0);
-               return(1);
+                       curp->mdoc = mdoc_alloc(&curp->regs, curp, mmsg);
+               assert(curp->mdoc);
+               *mdoc = curp->mdoc;
+               return;

        case (INTT_MAN):
                if (NULL == curp->man) 
        case (INTT_MAN):
                if (NULL == curp->man) 

-                       curp->man = man_init(curp);
-               if (NULL == (*man = curp->man))
-                       return(0);
-               return(1);
+                       curp->man = man_alloc(&curp->regs, curp, mmsg);
+               assert(curp->man);
+               *man = curp->man;
+               return;

        default:
                break;
        }
 
        if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3))  {
                if (NULL == curp->mdoc) 
        default:
                break;
        }
 
        if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3))  {
                if (NULL == curp->mdoc) 

-                       curp->mdoc = mdoc_init(curp);
-               if (NULL == (*mdoc = curp->mdoc))
-                       return(0);
-               return(1);
+                       curp->mdoc = mdoc_alloc(&curp->regs, curp, mmsg);
+               assert(curp->mdoc);
+               *mdoc = curp->mdoc;
+               return;

        } 
 
        if (NULL == curp->man) 
        } 
 
        if (NULL == curp->man) 

-               curp->man = man_init(curp);
-       if (NULL == (*man = curp->man))
-               return(0);
-       return(1);
+               curp->man = man_alloc(&curp->regs, curp, mmsg);
+       assert(curp->man);
+       *man = curp->man;

 }
 
 
 }
 
 


@@ -664,8 +739,7 @@ toptions(struct curparse *curp, char *arg)
                curp->outtype = OUTT_ASCII;
        else if (0 == strcmp(arg, "lint")) {
                curp->outtype = OUTT_LINT;
                curp->outtype = OUTT_ASCII;
        else if (0 == strcmp(arg, "lint")) {
                curp->outtype = OUTT_LINT;

-               curp->wflags |= WARN_WALL;
-               curp->fflags |= FL_STRICT;
+               curp->wlevel  = MANDOCLEVEL_WARNING;

        }
        else if (0 == strcmp(arg, "tree"))
                curp->outtype = OUTT_TREE;
        }
        else if (0 == strcmp(arg, "tree"))
                curp->outtype = OUTT_TREE;


@@ -673,6 +747,10 @@ toptions(struct curparse *curp, char *arg)
                curp->outtype = OUTT_HTML;
        else if (0 == strcmp(arg, "xhtml"))
                curp->outtype = OUTT_XHTML;
                curp->outtype = OUTT_HTML;
        else if (0 == strcmp(arg, "xhtml"))
                curp->outtype = OUTT_XHTML;

+       else if (0 == strcmp(arg, "ps"))
+               curp->outtype = OUTT_PS;
+       else if (0 == strcmp(arg, "pdf"))
+               curp->outtype = OUTT_PDF;

        else {
                fprintf(stderr, "%s: Bad argument\n", arg);
                return(0);
        else {
                fprintf(stderr, "%s: Bad argument\n", arg);
                return(0);


@@ -683,71 +761,37 @@ toptions(struct curparse *curp, char *arg)
 
 
 static int
 
 
 static int

-foptions(int *fflags, char *arg)
+woptions(struct curparse *curp, char *arg)

 {
        char            *v, *o;
 {
        char            *v, *o;

-       const char      *toks[8];
+       const char      *toks[6]; 

 
 

-       toks[0] = "ign-scope";
-       toks[1] = "no-ign-escape";
-       toks[2] = "no-ign-macro";
-       toks[3] = "ign-errors";
-       toks[4] = "strict";
-       toks[5] = "ign-escape";
-       toks[6] = NULL;
+       toks[0] = "stop";
+       toks[1] = "all";
+       toks[2] = "warning";
+       toks[3] = "error";
+       toks[4] = "fatal";
+       toks[5] = NULL;

 
        while (*arg) {
                o = arg;
                switch (getsubopt(&arg, UNCONST(toks), &v)) {
                case (0):
 
        while (*arg) {
                o = arg;
                switch (getsubopt(&arg, UNCONST(toks), &v)) {
                case (0):

-                       *fflags |= FL_IGN_SCOPE;
+                       curp->wstop = 1;

                        break;
                case (1):
                        break;
                case (1):

-                       *fflags |= FL_NIGN_ESCAPE;
-                       break;
+                       /* FALLTHROUGH */

                case (2):
                case (2):

-                       *fflags |= FL_NIGN_MACRO;
+                       curp->wlevel = MANDOCLEVEL_WARNING;

                        break;
                case (3):
                        break;
                case (3):

-                       *fflags |= FL_IGN_ERRORS;
+                       curp->wlevel = MANDOCLEVEL_ERROR;

                        break;
                case (4):
                        break;
                case (4):

-                       *fflags |= FL_STRICT;
-                       break;
-               case (5):
-                       *fflags &= ~FL_NIGN_ESCAPE;
-                       break;
-               default:
-                       fprintf(stderr, "%s: Bad argument\n", o);
-                       return(0);
-               }
-       }
-
-       return(1);
-}
-
-
-static int
-woptions(int *wflags, char *arg)
-{
-       char            *v, *o;
-       const char      *toks[3]; 
-
-       toks[0] = "all";
-       toks[1] = "error";
-       toks[2] = NULL;
-
-       while (*arg) {
-               o = arg;
-               switch (getsubopt(&arg, UNCONST(toks), &v)) {
-               case (0):
-                       *wflags |= WARN_WALL;
-                       break;
-               case (1):
-                       *wflags |= WARN_WERR;
+                       curp->wlevel = MANDOCLEVEL_FATAL;

                        break;
                default:
                        break;
                default:

-                       fprintf(stderr, "%s: Bad argument\n", o);
+                       fprintf(stderr, "-W%s: Bad argument\n", o);

                        return(0);
                }
        }
                        return(0);
                }
        }


@@ -756,74 +800,29 @@ woptions(int *wflags, char *arg)
 }
 
 
 }
 
 

-/* ARGSUSED */
-static int
-merr(void *arg, int line, int col, const char *msg)
-{
-       struct curparse *curp;
-
-       curp = (struct curparse *)arg;
-
-       (void)fprintf(stderr, "%s:%d:%d: error: %s\n", 
-                       curp->file, line, col + 1, msg);
-
-       with_error = 1;
-
-       return(0);
-}
-
-
-static int
-mwarn(void *arg, int line, int col, const char *msg)
-{
-       struct curparse *curp;
-
-       curp = (struct curparse *)arg;
-
-       if ( ! (curp->wflags & WARN_WALL))
-               return(1);
-
-       (void)fprintf(stderr, "%s:%d:%d: warning: %s\n", 
-                       curp->file, line, col + 1, msg);
-
-       with_warning = 1;
-       if (curp->wflags & WARN_WERR) {
-               with_error = 1;
-               return(0);
-       }
-
-       return(1);
-}
-
-static const char * const      mandocerrs[MANDOCERR_MAX] = {
-       "ok",
-       "multi-line scope open on exit",
-       "request for scope closure when no matching scope is open: ignored",
-       "macro requires line argument(s): ignored",
-       "line arguments will be lost",
-       "memory exhausted"
-};
-
-/*
- * XXX: this is experimental code that will eventually become the
- * generic means of covering all warnings and errors!
- */
-/* ARGSUSED */

 static int
 mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg)
 {
 static int
 mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg)
 {

-#if 0

        struct curparse *cp;
        struct curparse *cp;

+       enum mandoclevel level;

 
 

-       cp = (struct curparse *)arg;
+       level = MANDOCLEVEL_FATAL;
+       while (t < mandoclimits[level])
+               /* LINTED */
+               level--;

 
 

-       fprintf(stderr, "%s:%d:%d: %s", cp->file, 
-                       ln, col + 1, mandocerrs[t]);
+       cp = (struct curparse *)arg;
+       if (level < cp->wlevel)
+               return(1);

 
 

+       fprintf(stderr, "%s:%d:%d: %s: %s",
+           cp->file, ln, col + 1, mandoclevels[level], mandocerrs[t]);

        if (msg)
                fprintf(stderr, ": %s", msg);
        if (msg)
                fprintf(stderr, ": %s", msg);

-

        fputc('\n', stderr);
        fputc('\n', stderr);

-#endif
-       return(1);
+
+       if (exit_status < level)
+               exit_status = level;
+       
+       return(level < MANDOCLEVEL_FATAL);

 }
 }