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Allow `Bd' to accept (warn about then ignore) in-line arguments.
[mandoc.git] / main.c
diff --git a/main.c b/main.c
index 3a6506d5c3ebb4e4194c4dc20b5e9d1cbc13ae16..795c6493236ef28b8aa28a9dd6ba2be15d150632 100644 (file)
--- a/main.c
+++ b/main.c
@@ -1,109 +1,159 @@
-/* $Id: main.c,v 1.4 2009/03/19 18:30:26 kristaps Exp $ */
+/*     $Id: main.c,v 1.60 2010/03/22 20:43:00 kristaps Exp $ */
 /*
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
  * 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 copyright notice and this permission notice appear in all
- * copies.
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
  *
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
- * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES 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.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * 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.
  */
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <sys/stat.h>
 
 #include <assert.h>
 #include <sys/stat.h>
 
 #include <assert.h>
-#include <err.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <fcntl.h>
 #include <stdio.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
 #include "mdoc.h"
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
 #include "mdoc.h"
+#include "man.h"
+#include "main.h"
+
+#define        UNCONST(a)      ((void *)(uintptr_t)(const void *)(a))
 
 
-#ifdef __linux__
-extern int               getsubopt(char **, char * const *, char **);
-# ifndef __dead
-#  define __dead __attribute__((__noreturn__))
+/* FIXME: Intel's compiler?  LLVM?  pcc?  */
+
+#if !defined(__GNUC__) || (__GNUC__ < 2)
+# if !defined(lint)
+#  define __attribute__(x)
 # endif
 # endif
-#endif
+#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
 
 
-#define        WARN_WALL         0x03          /* All-warnings mask. */
-#define        WARN_WCOMPAT     (1 << 0)       /* Compatibility warnings. */
-#define        WARN_WSYNTAX     (1 << 1)       /* Syntax warnings. */
-#define        WARN_WERR        (1 << 2)       /* Warnings->errors. */
+typedef        void            (*out_mdoc)(void *, const struct mdoc *);
+typedef        void            (*out_man)(void *, const struct man *);
+typedef        void            (*out_free)(void *);
+
+struct buf {
+       char             *buf;
+       size_t            sz;
+};
+
+enum   intt {
+       INTT_AUTO,
+       INTT_MDOC,
+       INTT_MAN
+};
 
 
-enum outt {
-       OUTT_ASCII,
-       OUTT_LATIN1,
-       OUTT_UTF8,
+enum   outt {
+       OUTT_ASCII = 0,
        OUTT_TREE,
        OUTT_TREE,
+       OUTT_HTML,
+       OUTT_XHTML,
        OUTT_LINT
 };
 
        OUTT_LINT
 };
 
-typedef        int             (*out_run)(void *, const struct mdoc *);
-typedef        void            (*out_free)(void *);
-
-extern char             *__progname;
+struct curparse {
+       const char       *file;         /* Current parse. */
+       int               fd;           /* Current parse. */
+       int               wflags;
+#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_NIGN_CHARS    (1 << 3)       /* Don't ignore bad chars. */
+#define        FL_IGN_ERRORS    (1 << 4)       /* Ignore failed parse. */
+       enum intt         inttype;      /* Input parsers... */
+       struct man       *man;
+       struct man       *lastman;
+       struct mdoc      *mdoc;
+       struct mdoc      *lastmdoc;
+       enum outt         outtype;      /* Output devices... */
+       out_mdoc          outmdoc;
+       out_man           outman;
+       out_free          outfree;
+       void             *outdata;
+       char              outopts[BUFSIZ];
+};
 
 
-extern void             *ascii_alloc(void);
-extern void             *latin1_alloc(void);
-extern void             *utf8_alloc(void);
-extern int               terminal_run(void *, const struct mdoc *);
-extern int               tree_run(void *, const struct mdoc *);
-extern void              terminal_free(void *);
+#define        FL_STRICT         FL_NIGN_ESCAPE | \
+                         FL_NIGN_MACRO | \
+                         FL_NIGN_CHARS
 
 
-__dead static void       version(void);
-__dead static void       usage(void);
 static int               foptions(int *, char *);
 static int               foptions(int *, char *);
-static int               toptions(enum outt *, char *);
+static int               toptions(struct curparse *, char *);
+static int               moptions(enum intt *, char *);
 static int               woptions(int *, char *);
 static int               merr(void *, int, int, const char *);
 static int               woptions(int *, char *);
 static int               merr(void *, int, int, const char *);
-static int               mwarn(void *, int, int, 
-                               enum mdoc_warn, const char *);
-static int               file(char **, size_t *, char **, size_t *, 
-                               const char *, struct mdoc *);
-static int               fdesc(char **, size_t *, char **, size_t *, 
-                               const char *, int, struct mdoc *);
+static int               mwarn(void *, int, int, const char *);
+static int               ffile(struct buf *, struct buf *, 
+                               const char *, struct curparse *);
+static int               fdesc(struct buf *, struct buf *,
+                               struct curparse *);
+static int               pset(const char *, int, struct curparse *,
+                               struct man **, struct mdoc **);
+static struct man       *man_init(struct curparse *);
+static struct mdoc      *mdoc_init(struct curparse *);
+static void              version(void) __attribute__((noreturn));
+static void              usage(void) __attribute__((noreturn));
+
+static const char       *progname;
 
 
 int
 main(int argc, char *argv[])
 {
 
 
 int
 main(int argc, char *argv[])
 {
-       int              c, rc, fflags, wflags;
-       struct mdoc_cb   cb;
-       struct mdoc     *mdoc;
-       char            *buf, *line;
-       size_t           bufsz, linesz;
-       void            *outdata;
-       enum outt        outtype;
-       out_run          outrun;
-       out_free         outfree;
+       int              c, rc;
+       struct buf       ln, blk;
+       struct curparse  curp;
 
 
-       fflags = wflags = 0;
-       outtype = OUTT_ASCII;
+       progname = strrchr(argv[0], '/');
+       if (progname == NULL)
+               progname = argv[0];
+       else
+               ++progname;
+
+       memset(&curp, 0, sizeof(struct curparse));
+
+       curp.inttype = INTT_AUTO;
+       curp.outtype = OUTT_ASCII;
 
        /* LINTED */
 
        /* LINTED */
-       while (-1 != (c = getopt(argc, argv, "f:VW:T:")))
+       while (-1 != (c = getopt(argc, argv, "f:m:O:T:VW:")))
                switch (c) {
                case ('f'):
                switch (c) {
                case ('f'):
-                       if ( ! foptions(&fflags, optarg))
-                               return(0);
+                       if ( ! foptions(&curp.fflags, optarg))
+                               return(EXIT_FAILURE);
+                       break;
+               case ('m'):
+                       if ( ! moptions(&curp.inttype, optarg))
+                               return(EXIT_FAILURE);
+                       break;
+               case ('O'):
+                       (void)strlcat(curp.outopts, optarg, BUFSIZ);
+                       (void)strlcat(curp.outopts, ",", BUFSIZ);
                        break;
                case ('T'):
                        break;
                case ('T'):
-                       if ( ! toptions(&outtype, optarg))
-                               return(0);
+                       if ( ! toptions(&curp, optarg))
+                               return(EXIT_FAILURE);
                        break;
                case ('W'):
                        break;
                case ('W'):
-                       if ( ! woptions(&wflags, optarg))
-                               return(0);
+                       if ( ! woptions(&curp.wflags, optarg))
+                               return(EXIT_FAILURE);
                        break;
                case ('V'):
                        version();
                        break;
                case ('V'):
                        version();
@@ -116,200 +166,230 @@ main(int argc, char *argv[])
        argc -= optind;
        argv += optind;
 
        argc -= optind;
        argv += optind;
 
-       /*
-        * Allocate the appropriate front-end.  Note that utf8, ascii
-        * and latin1 all resolve to the terminal front-end with
-        * different encodings (see terminal.c).  Not all frontends have
-        * cleanup or alloc routines.
-        */
+       memset(&ln, 0, sizeof(struct buf));
+       memset(&blk, 0, sizeof(struct buf));
 
 
-       switch (outtype) {
-       case (OUTT_LATIN1):
-               outdata = latin1_alloc();
-               outrun = terminal_run;
-               outfree = terminal_free;
-               break;
-       case (OUTT_UTF8):
-               outdata = utf8_alloc();
-               outrun = terminal_run;
-               outfree = terminal_free;
-               break;
-       case (OUTT_TREE):
-               outdata = NULL;
-               outrun = tree_run;
-               outfree = NULL;
-               break;
-       case (OUTT_LINT):
-               outdata = NULL;
-               outrun = NULL;
-               outfree = NULL;
-               break;
-       default:
-               outdata = ascii_alloc();
-               outrun = terminal_run;
-               outfree = terminal_free;
-               break;
+       rc = 1;
+
+       if (NULL == *argv) {
+               curp.file = "<stdin>";
+               curp.fd = STDIN_FILENO;
+
+               c = fdesc(&blk, &ln, &curp);
+               if ( ! (FL_IGN_ERRORS & curp.fflags)) 
+                       rc = 1 == c ? 1 : 0;
+               else
+                       rc = -1 == c ? 0 : 1;
        }
 
        }
 
-       /*
-        * All callbacks route into here, where we print them onto the
-        * screen.  XXX - for now, no path for debugging messages.
-        */
+       while (rc && *argv) {
+               c = ffile(&blk, &ln, *argv, &curp);
+               if ( ! (FL_IGN_ERRORS & curp.fflags)) 
+                       rc = 1 == c ? 1 : 0;
+               else
+                       rc = -1 == c ? 0 : 1;
+
+               argv++;
+               if (*argv && rc) {
+                       if (curp.lastman)
+                               man_reset(curp.lastman);
+                       if (curp.lastmdoc)
+                               mdoc_reset(curp.lastmdoc);
+                       curp.lastman = NULL;
+                       curp.lastmdoc = NULL;
+               }
+       }
 
 
-       cb.mdoc_msg = NULL;
-       cb.mdoc_err = merr;
-       cb.mdoc_warn = mwarn;
+       if (blk.buf)
+               free(blk.buf);
+       if (ln.buf)
+               free(ln.buf);
+       if (curp.outfree)
+               (*curp.outfree)(curp.outdata);
+       if (curp.mdoc)
+               mdoc_free(curp.mdoc);
+       if (curp.man)
+               man_free(curp.man);
 
 
-       buf = line = NULL;
-       bufsz = linesz = 0;
+       return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
+}
 
 
-       mdoc = mdoc_alloc(&wflags, fflags, &cb);
 
 
-       /*
-        * Loop around available files.
-        */
+static void
+version(void)
+{
 
 
-       if (NULL == *argv) {
-               c = fdesc(&line, &linesz, &buf, &bufsz, 
-                               "stdin", STDIN_FILENO, mdoc);
-               rc = 0;
-               if (c && NULL == outrun)
-                       rc = 1;
-               else if (c && outrun && (*outrun)(outdata, mdoc))
-                       rc = 1;
-       } else {
-               while (*argv) {
-                       c = file(&line, &linesz, &buf, 
-                                       &bufsz, *argv, mdoc);
-                       if ( ! c)
-                               break;
-                       if (outrun && ! (*outrun)(outdata, mdoc))
-                               break;
-                       /* Reset the parser for another file. */
-                       mdoc_reset(mdoc);
-                       argv++;
-               }
-               rc = NULL == *argv;
-       }
+       (void)printf("%s %s\n", progname, VERSION);
+       exit(EXIT_SUCCESS);
+}
 
 
-       if (buf)
-               free(buf);
-       if (line)
-               free(line);
-       if (outfree)
-               (*outfree)(outdata);
 
 
-       mdoc_free(mdoc);
+static void
+usage(void)
+{
 
 
-       return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
+       (void)fprintf(stderr, "usage: %s [-V] [-foption...] "
+                       "[-mformat] [-Ooption] [-Toutput] "
+                       "[-Werr...]\n", progname);
+       exit(EXIT_FAILURE);
 }
 
 
 }
 
 
-__dead static void
-version(void)
+static struct man *
+man_init(struct curparse *curp)
 {
 {
+       int              pflags;
+       struct man_cb    mancb;
 
 
-       (void)printf("%s %s\n", __progname, VERSION);
-       exit(0);
-       /* NOTREACHED */
+       mancb.man_err = merr;
+       mancb.man_warn = mwarn;
+
+       /* Defaults from mandoc.1. */
+
+       pflags = MAN_IGN_MACRO | MAN_IGN_ESCAPE | MAN_IGN_CHARS;
+
+       if (curp->fflags & FL_NIGN_MACRO)
+               pflags &= ~MAN_IGN_MACRO;
+       if (curp->fflags & FL_NIGN_CHARS)
+               pflags &= ~MAN_IGN_CHARS;
+       if (curp->fflags & FL_NIGN_ESCAPE)
+               pflags &= ~MAN_IGN_ESCAPE;
+
+       return(man_alloc(curp, pflags, &mancb));
 }
 
 
 }
 
 
-__dead static void
-usage(void)
+static struct mdoc *
+mdoc_init(struct curparse *curp)
 {
 {
+       int              pflags;
+       struct mdoc_cb   mdoccb;
+
+       mdoccb.mdoc_err = merr;
+       mdoccb.mdoc_warn = mwarn;
 
 
-       (void)fprintf(stderr, "usage: %s\n", __progname);
-       exit(1);
-       /* NOTREACHED */
+       /* Defaults from mandoc.1. */
+
+       pflags = MDOC_IGN_MACRO | MDOC_IGN_ESCAPE | MDOC_IGN_CHARS;
+
+       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;
+       if (curp->fflags & FL_NIGN_CHARS)
+               pflags &= ~MDOC_IGN_CHARS;
+
+       return(mdoc_alloc(curp, pflags, &mdoccb));
 }
 
 
 static int
 }
 
 
 static int
-file(char **ln, size_t *lnsz, char **buf, size_t *bufsz, 
-               const char *file, struct mdoc *mdoc)
+ffile(struct buf *blk, struct buf *ln, 
+               const char *file, struct curparse *curp)
 {
 {
-       int              fd, c;
+       int              c;
 
 
-       if (-1 == (fd = open(file, O_RDONLY, 0))) {
-               warn("%s", file);
-               return(0);
+       curp->file = file;
+       if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
+               perror(curp->file);
+               return(-1);
        }
 
        }
 
-       c = fdesc(ln, lnsz, buf, bufsz, file, fd, mdoc);
+       c = fdesc(blk, ln, curp);
 
 
-       if (-1 == close(fd))
-               warn("%s", file);
+       if (-1 == close(curp->fd))
+               perror(curp->file);
 
        return(c);
 }
 
 
 static int
 
        return(c);
 }
 
 
 static int
-fdesc(char **lnp, size_t *lnsz, char **bufp, size_t *bufsz, 
-               const char *f, int fd, struct mdoc *mdoc)
+fdesc(struct buf *blk, struct buf *ln, struct curparse *curp)
 {
        size_t           sz;
        ssize_t          ssz;
        struct stat      st;
 {
        size_t           sz;
        ssize_t          ssz;
        struct stat      st;
-       int              j, i, pos, lnn;
-       char            *ln, *buf;
+       int              j, i, pos, lnn, comment;
+       struct man      *man;
+       struct mdoc     *mdoc;
 
 
-       buf = *bufp;
-       ln = *lnp;
+       sz = BUFSIZ;
+       man = NULL;
+       mdoc = NULL;
 
        /*
 
        /*
-        * Two buffers: ln and buf.  buf is the input buffer, optimised
-        * for each file's block size.  ln is a line buffer.  Both
+        * Two buffers: ln and buf.  buf is the input buffer optimised
+        * here for each file's block size.  ln is a line buffer.  Both
         * growable, hence passed in by ptr-ptr.
         */
 
         * growable, hence passed in by ptr-ptr.
         */
 
-       if (-1 == fstat(fd, &st)) {
-               warnx("%s", f);
-               sz = BUFSIZ;
-       } else 
-               sz = (unsigned)BUFSIZ > st.st_blksize ?
-                       (size_t)BUFSIZ : st.st_blksize;
-
-       if (sz > *bufsz) {
-               if (NULL == (buf = realloc(buf, sz)))
-                       err(1, "realloc");
-               *bufp = buf;
-               *bufsz = sz;
+       if (-1 == fstat(curp->fd, &st))
+               perror(curp->file);
+       else if ((size_t)st.st_blksize > sz)
+               sz = st.st_blksize;
+
+       if (sz > blk->sz) {
+               blk->buf = realloc(blk->buf, sz);
+               if (NULL == blk->buf) {
+                       perror(NULL);
+                       exit(EXIT_FAILURE);
+               }
+               blk->sz = sz;
        }
 
        }
 
-       /*
-        * Fill buf with file blocksize and parse newlines into ln.
-        */
+       /* Fill buf with file blocksize. */
 
 
-       for (lnn = 1, pos = 0; ; ) {
-               if (-1 == (ssz = read(fd, buf, sz))) {
-                       warn("%s", f);
-                       return(0);
+       for (lnn = pos = comment = 0; ; ) {
+               if (-1 == (ssz = read(curp->fd, blk->buf, sz))) {
+                       perror(curp->file);
+                       return(-1);
                } else if (0 == ssz) 
                        break;
 
                } else if (0 == ssz) 
                        break;
 
+               /* Parse the read block into partial or full lines. */
+
                for (i = 0; i < (int)ssz; i++) {
                for (i = 0; i < (int)ssz; i++) {
-                       if (pos >= (int)*lnsz) {
-                               *lnsz += 256; /* Step-size. */
-                               ln = realloc(ln, *lnsz);
-                               if (NULL == ln)
-                                       err(1, "realloc");
-                               *lnp = ln;
+                       if (pos >= (int)ln->sz) {
+                               ln->sz += 256; /* Step-size. */
+                               ln->buf = realloc(ln->buf, ln->sz);
+                               if (NULL == ln->buf) {
+                                       perror(NULL);
+                                       return(EXIT_FAILURE);
+                               }
                        }
 
                        }
 
-                       if ('\n' != buf[i]) {
-                               ln[pos++] = buf[i];
+                       if ('\n' != blk->buf[i]) {
+                               if (comment)
+                                       continue;
+                               ln->buf[pos++] = blk->buf[i];
+
+                               /* Handle in-line `\"' comments. */
+
+                               if (1 == pos || '\"' != ln->buf[pos - 1])
+                                       continue;
+
+                               for (j = pos - 2; j >= 0; j--)
+                                       if ('\\' != ln->buf[j])
+                                               break;
+
+                               if ( ! ((pos - 2 - j) % 2))
+                                       continue;
+
+                               comment = 1;
+                               pos -= 2;
                                continue;
                                continue;
-                       }
+                       } 
 
 
-                       /* Check for CPP-escaped newline.  */
+                       /* Handle escaped `\\n' newlines. */
 
 
-                       if (pos > 0 && '\\' == ln[pos - 1]) {
+                       if (pos > 0 && 0 == comment && 
+                                       '\\' == ln->buf[pos - 1]) {
                                for (j = pos - 1; j >= 0; j--)
                                for (j = pos - 1; j >= 0; j--)
-                                       if ('\\' != ln[j])
+                                       if ('\\' != ln->buf[j])
                                                break;
                                                break;
-
                                if ( ! ((pos - j) % 2)) {
                                        pos--;
                                        lnn++;
                                if ( ! ((pos - j) % 2)) {
                                        pos--;
                                        lnn++;
@@ -317,34 +397,177 @@ fdesc(char **lnp, size_t *lnsz, char **bufp, size_t *bufsz,
                                }
                        }
 
                                }
                        }
 
-                       ln[pos] = 0;
-                       if ( ! mdoc_parseln(mdoc, lnn, ln))
-                               return(0);
+                       ln->buf[pos] = 0;
                        lnn++;
                        lnn++;
-                       pos = 0;
+
+                       /* If unset, assign parser in pset(). */
+
+                       if ( ! (man || mdoc) && ! pset(ln->buf, 
+                                               pos, curp, &man, &mdoc))
+                               return(-1);
+
+                       pos = comment = 0;
+
+                       /* Pass down into parsers. */
+
+                       if (man && ! man_parseln(man, lnn, ln->buf))
+                               return(0);
+                       if (mdoc && ! mdoc_parseln(mdoc, lnn, ln->buf))
+                               return(0);
+               }
+       }
+
+       /* NOTE a parser may not have been assigned, yet. */
+
+       if ( ! (man || mdoc)) {
+               fprintf(stderr, "%s: Not a manual\n", curp->file);
+               return(0);
+       }
+
+       if (mdoc && ! mdoc_endparse(mdoc))
+               return(0);
+       if (man && ! man_endparse(man))
+               return(0);
+
+       /* If unset, allocate output dev now (if applicable). */
+
+       if ( ! (curp->outman && curp->outmdoc)) {
+               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);
+                       curp->outman = html_man;
+                       curp->outmdoc = html_mdoc;
+                       curp->outfree = html_free;
+                       break;
+               case (OUTT_TREE):
+                       curp->outman = tree_man;
+                       curp->outmdoc = tree_mdoc;
+                       break;
+               case (OUTT_LINT):
+                       break;
+               default:
+                       curp->outdata = ascii_alloc();
+                       curp->outman = terminal_man;
+                       curp->outmdoc = terminal_mdoc;
+                       curp->outfree = terminal_free;
+                       break;
                }
        }
 
                }
        }
 
-       return(mdoc_endparse(mdoc));
+       /* Execute the out device, if it exists. */
+
+       if (man && curp->outman)
+               (*curp->outman)(curp->outdata, man);
+       if (mdoc && curp->outmdoc)
+               (*curp->outmdoc)(curp->outdata, mdoc);
+
+       return(1);
 }
 
 
 static int
 }
 
 
 static int
-toptions(enum outt *tflags, char *arg)
+pset(const char *buf, int pos, struct curparse *curp,
+               struct man **man, struct mdoc **mdoc)
+{
+       int              i;
+
+       /*
+        * Try to intuit which kind of manual parser should be used.  If
+        * passed in by command-line (-man, -mdoc), then use that
+        * explicitly.  If passed as -mandoc, then try to guess from the
+        * line: either skip dot-lines, use -mdoc when finding `.Dt', or
+        * default to -man, which is more lenient.
+        */
+
+       if (buf[0] == '.') {
+               for (i = 1; buf[i]; i++)
+                       if (' ' != buf[i] && '\t' != buf[i])
+                               break;
+               if (0 == buf[i])
+                       return(1);
+       }
+
+       switch (curp->inttype) {
+       case (INTT_MDOC):
+               if (NULL == curp->mdoc) 
+                       curp->mdoc = mdoc_init(curp);
+               if (NULL == (*mdoc = curp->mdoc))
+                       return(0);
+               curp->lastmdoc = *mdoc;
+               return(1);
+       case (INTT_MAN):
+               if (NULL == curp->man) 
+                       curp->man = man_init(curp);
+               if (NULL == (*man = curp->man))
+                       return(0);
+               curp->lastman = *man;
+               return(1);
+       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);
+               curp->lastmdoc = *mdoc;
+               return(1);
+       } 
+
+       if (NULL == curp->man) 
+               curp->man = man_init(curp);
+       if (NULL == (*man = curp->man))
+               return(0);
+       curp->lastman = *man;
+       return(1);
+}
+
+
+static int
+moptions(enum intt *tflags, char *arg)
+{
+
+       if (0 == strcmp(arg, "doc"))
+               *tflags = INTT_MDOC;
+       else if (0 == strcmp(arg, "andoc"))
+               *tflags = INTT_AUTO;
+       else if (0 == strcmp(arg, "an"))
+               *tflags = INTT_MAN;
+       else {
+               fprintf(stderr, "%s: Bad argument\n", arg);
+               return(0);
+       }
+
+       return(1);
+}
+
+
+static int
+toptions(struct curparse *curp, char *arg)
 {
 
        if (0 == strcmp(arg, "ascii"))
 {
 
        if (0 == strcmp(arg, "ascii"))
-               *tflags = OUTT_ASCII;
-       else if (0 == strcmp(arg, "latin1"))
-               *tflags = OUTT_LATIN1;
-       else if (0 == strcmp(arg, "utf8"))
-               *tflags = OUTT_UTF8;
-       else if (0 == strcmp(arg, "lint"))
-               *tflags = OUTT_LINT;
+               curp->outtype = OUTT_ASCII;
+       else if (0 == strcmp(arg, "lint")) {
+               curp->outtype = OUTT_LINT;
+               curp->wflags |= WARN_WALL;
+               curp->fflags |= FL_STRICT;
+       }
        else if (0 == strcmp(arg, "tree"))
        else if (0 == strcmp(arg, "tree"))
-               *tflags = OUTT_TREE;
+               curp->outtype = OUTT_TREE;
+       else if (0 == strcmp(arg, "html"))
+               curp->outtype = OUTT_HTML;
+       else if (0 == strcmp(arg, "xhtml"))
+               curp->outtype = OUTT_XHTML;
        else {
        else {
-               warnx("bad argument: -T%s", arg);
+               fprintf(stderr, "%s: Bad argument\n", arg);
                return(0);
        }
 
                return(0);
        }
 
@@ -352,75 +575,79 @@ toptions(enum outt *tflags, char *arg)
 }
 
 
 }
 
 
-/*
- * Parse out the options for [-fopt...] setting compiler options.  These
- * can be comma-delimited or called again.
- */
 static int
 foptions(int *fflags, char *arg)
 {
 static int
 foptions(int *fflags, char *arg)
 {
-       char            *v;
-       char            *toks[4];
+       char            *v, *o;
+       const char      *toks[8];
 
        toks[0] = "ign-scope";
 
        toks[0] = "ign-scope";
-       toks[1] = "ign-escape";
-       toks[2] = "ign-macro";
-       toks[3] = NULL;
-
-       while (*arg) 
-               switch (getsubopt(&arg, toks, &v)) {
+       toks[1] = "no-ign-escape";
+       toks[2] = "no-ign-macro";
+       toks[3] = "no-ign-chars";
+       toks[4] = "ign-errors";
+       toks[5] = "strict";
+       toks[6] = "ign-escape";
+       toks[7] = NULL;
+
+       while (*arg) {
+               o = arg;
+               switch (getsubopt(&arg, UNCONST(toks), &v)) {
                case (0):
                case (0):
-                       *fflags |= MDOC_IGN_SCOPE;
+                       *fflags |= FL_IGN_SCOPE;
                        break;
                case (1):
                        break;
                case (1):
-                       *fflags |= MDOC_IGN_ESCAPE;
+                       *fflags |= FL_NIGN_ESCAPE;
                        break;
                case (2):
                        break;
                case (2):
-                       *fflags |= MDOC_IGN_MACRO;
+                       *fflags |= FL_NIGN_MACRO;
+                       break;
+               case (3):
+                       *fflags |= FL_NIGN_CHARS;
+                       break;
+               case (4):
+                       *fflags |= FL_IGN_ERRORS;
+                       break;
+               case (5):
+                       *fflags |= FL_STRICT;
+                       break;
+               case (6):
+                       *fflags &= ~FL_NIGN_ESCAPE;
                        break;
                default:
                        break;
                default:
-                       warnx("bad argument: -f%s", arg);
+                       fprintf(stderr, "%s: Bad argument\n", o);
                        return(0);
                }
                        return(0);
                }
+       }
 
        return(1);
 }
 
 
 
        return(1);
 }
 
 
-/* 
- * Parse out the options for [-Werr...], which sets warning modes.
- * These can be comma-delimited or called again.  
- */
 static int
 woptions(int *wflags, char *arg)
 {
 static int
 woptions(int *wflags, char *arg)
 {
-       char            *v;
-       char            *toks[5]; 
+       char            *v, *o;
+       const char      *toks[3]; 
 
        toks[0] = "all";
 
        toks[0] = "all";
-       toks[1] = "compat";
-       toks[2] = "syntax";
-       toks[3] = "error";
-       toks[4] = NULL;
+       toks[1] = "error";
+       toks[2] = NULL;
 
 
-       while (*arg) 
-               switch (getsubopt(&arg, toks, &v)) {
+       while (*arg) {
+               o = arg;
+               switch (getsubopt(&arg, UNCONST(toks), &v)) {
                case (0):
                        *wflags |= WARN_WALL;
                        break;
                case (1):
                case (0):
                        *wflags |= WARN_WALL;
                        break;
                case (1):
-                       *wflags |= WARN_WCOMPAT;
-                       break;
-               case (2):
-                       *wflags |= WARN_WSYNTAX;
-                       break;
-               case (3):
                        *wflags |= WARN_WERR;
                        break;
                default:
                        *wflags |= WARN_WERR;
                        break;
                default:
-                       warnx("bad argument: -W%s", arg);
+                       fprintf(stderr, "%s: Bad argument\n", o);
                        return(0);
                }
                        return(0);
                }
+       }
 
        return(1);
 }
 
        return(1);
 }
@@ -430,45 +657,33 @@ woptions(int *wflags, char *arg)
 static int
 merr(void *arg, int line, int col, const char *msg)
 {
 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);
 
 
-       warnx("error: %s (line %d, column %d)", msg, line, col);
        return(0);
 }
 
 
 static int
        return(0);
 }
 
 
 static int
-mwarn(void *arg, int line, int col, 
-               enum mdoc_warn type, const char *msg)
+mwarn(void *arg, int line, int col, const char *msg)
 {
 {
-       int              flags;
-       char            *wtype;
+       struct curparse *curp;
 
 
-       flags = *(int *)arg;
-       wtype = NULL;
+       curp = (struct curparse *)arg;
 
 
-       switch (type) {
-       case (WARN_COMPAT):
-               wtype = "compat";
-               if (flags & WARN_WCOMPAT)
-                       break;
+       if ( ! (curp->wflags & WARN_WALL))
                return(1);
                return(1);
-       case (WARN_SYNTAX):
-               wtype = "syntax";
-               if (flags & WARN_WSYNTAX)
-                       break;
-               return(1);
-       }
 
 
-       assert(wtype);
-       warnx("%s warning: %s (line %d, column %d)", 
-                       wtype, msg, line, col);
+       (void)fprintf(stderr, "%s:%d:%d: warning: %s\n", 
+                       curp->file, line, col + 1, msg);
 
 
-       if ( ! (flags & WARN_WERR))
+       if ( ! (curp->wflags & WARN_WERR))
                return(1);
                return(1);
-
-       warnx("%s: considering warnings as errors", 
-                       __progname);
+       
        return(0);
 }
 
        return(0);
 }
 
-
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