]> git.cameronkatri.com Git - mandoc.git/blobdiff - main.c
Two minor tweaks regarding the fallback from -u/-d to default mode:
[mandoc.git] / main.c
diff --git a/main.c b/main.c
index 306fdadbc09d0eb5ee1df96e9558e0ec463ed2ba..4fb29d0eef7441a5b3e69fd92be8861ba885d341 100644 (file)
--- a/main.c
+++ b/main.c
@@ -1,7 +1,8 @@
-/*     $Id: main.c,v 1.144 2011/02/09 09:05:52 kristaps Exp $ */
+/*     $Id: main.c,v 1.172 2014/03/23 11:25:26 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
 #include "config.h"
 #endif
 
-#include <sys/mman.h>
-#include <sys/stat.h>
-
 #include <assert.h>
-#include <ctype.h>
-#include <fcntl.h>
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <unistd.h>
 
 #include "mandoc.h"
+#include "mandoc_aux.h"
 #include "main.h"
 #include "mdoc.h"
 #include "man.h"
-#include "roff.h"
-
-#ifndef MAP_FILE
-#define        MAP_FILE        0
-#endif
-
-#define        REPARSE_LIMIT   1000
-#define        UNCONST(a)      ((void *)(uintptr_t)(const void *)(a))
-
-/* FIXME: Intel's compiler?  LLVM?  pcc?  */
 
 #if !defined(__GNUC__) || (__GNUC__ < 2)
 # if !defined(lint)
@@ -56,41 +43,23 @@ 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 = 0,
-       OUTT_TREE,
-       OUTT_HTML,
-       OUTT_XHTML,
-       OUTT_LINT,
-       OUTT_PS,
-       OUTT_PDF
+       OUTT_ASCII = 0, /* -Tascii */
+       OUTT_LOCALE,    /* -Tlocale */
+       OUTT_UTF8,      /* -Tutf8 */
+       OUTT_TREE,      /* -Ttree */
+       OUTT_MAN,       /* -Tman */
+       OUTT_HTML,      /* -Thtml */
+       OUTT_XHTML,     /* -Txhtml */
+       OUTT_LINT,      /* -Tlint */
+       OUTT_PS,        /* -Tps */
+       OUTT_PDF        /* -Tpdf */
 };
 
 struct curparse {
-       const char       *file;         /* Current parse. */
-       int               fd;           /* Current parse. */
-       int               line;         /* Line number in the file. */
-       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       *pman;         /* persistent man parser */
-       struct mdoc      *pmdoc;        /* persistent mdoc parser */
-       struct man       *man;          /* man parser */
-       struct mdoc      *mdoc;         /* mdoc parser */
-       struct roff      *roff;         /* roff parser (!NULL) */
-       struct regset     regs;         /* roff registers */
-       int               reparse_count; /* finite interpolation stack */
+       struct mparse    *mp;
+       enum mandoclevel  wlevel;       /* ignore messages below this */
+       int               wstop;        /* stop after a file with a warning */
        enum outt         outtype;      /* which output to use */
        out_mdoc          outmdoc;      /* mdoc output ptr */
        out_man           outman;       /* man output ptr */
@@ -99,155 +68,26 @@ struct     curparse {
        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",
-
-       /* related to the prologue */
-       "no title in document",
-       "document title should be all caps",
-       "unknown manual section",
-       "cannot parse date argument",
-       "prologue macros out of order",
-       "duplicate prologue macro",
-       "macro not allowed in prologue",
-       "macro not allowed in body",
-
-       /* related to document structure */
-       ".so is fragile, better use ln(1)",
-       "NAME section must come first",
-       "bad NAME section contents",
-       "manual name not yet set",
-       "sections out of conventional order",
-       "duplicate section name",
-       "section not in conventional manual section",
-
-       /* related to macros and nesting */
-       "skipping obsolete macro",
-       "skipping paragraph macro",
-       "skipping no-space macro",
-       "blocks badly nested",
-       "child violates parent syntax",
-       "nested displays are not portable",
-       "already in literal mode",
-
-       /* related to missing macro arguments */
-       "skipping empty macro",
-       "argument count wrong",
-       "missing display type",
-       "list type must come first",
-       "tag lists require a width argument",
-       "missing font type",
-       "skipping end of block that is not open",
-
-       /* related to bad macro arguments */
-       "skipping argument",
-       "duplicate argument",
-       "duplicate display type",
-       "duplicate list type",
-       "unknown AT&T UNIX version",
-       "bad Boolean value",
-       "unknown font",
-       "unknown standard specifier",
-       "bad width argument",
-
-       /* related to plain text */
-       "blank line in non-literal context",
-       "tab in non-literal context",
-       "end of line whitespace",
-       "bad comment style",
-       "unknown escape sequence",
-       "unterminated quoted string",
-       
-       "generic error",
-
-       /* related to tables */
-       "bad table syntax",
-       "bad table option",
-       "bad table layout",
-       "no table layout cells specified",
-       "no table data cells specified",
-       "ignore data in cell",
-       "data block still open",
-       "ignoring extra data cells",
-
-       "input stack limit exceeded, infinite loop?",
-       "skipping bad character",
-       "escaped character not allowed in a name",
-       "skipping text before the first section header",
-       "skipping unknown macro",
-       "NOT IMPLEMENTED, please use groff: skipping request",
-       "line scope broken",
-       "argument count wrong",
-       "skipping end of block that is not open",
-       "missing end of block",
-       "scope open on exit",
-       "uname(3) system call failed",
-       "macro requires line argument(s)",
-       "macro requires body argument(s)",
-       "macro requires argument(s)",
-       "missing list type",
-       "line argument(s) will be lost",
-       "body argument(s) will be lost",
-
-       "generic fatal error",
-
-       "column syntax is inconsistent",
-       "NOT IMPLEMENTED: .Bd -file",
-       "line scope broken, syntax violated",
-       "argument count wrong, violates syntax",
-       "child violates parent syntax",
-       "argument count wrong, violates syntax",
-       "NOT IMPLEMENTED: .so with absolute path or \"..\"",
-       "no document body",
-       "no document prologue",
-       "static buffer exhausted",
-};
-
-static void              parsebuf(struct curparse *, struct buf, int);
-static void              pdesc(struct curparse *);
-static void              fdesc(struct curparse *);
-static void              ffile(const char *, struct curparse *);
-static int               pfile(const char *, struct curparse *);
-static int               moptions(enum intt *, char *);
-static int               mmsg(enum mandocerr, void *, 
-                               int, int, const char *);
-static void              pset(const char *, int, struct curparse *);
+static int               moptions(int *, char *);
+static void              mmsg(enum mandocerr, enum mandoclevel,
+                               const char *, int, int, const char *);
+static void              parse(struct curparse *, int, 
+                               const char *, enum mandoclevel *);
 static int               toptions(struct curparse *, char *);
 static void              usage(void) __attribute__((noreturn));
 static void              version(void) __attribute__((noreturn));
 static int               woptions(struct curparse *, char *);
 
 static const char       *progname;
-static enum mandoclevel  file_status = MANDOCLEVEL_OK;
-static enum mandoclevel  exit_status = MANDOCLEVEL_OK;
 
 int
 main(int argc, char *argv[])
 {
        int              c;
        struct curparse  curp;
+       int              options;
+       enum mandoclevel rc;
+       char            *defos;
 
        progname = strrchr(argv[0], '/');
        if (progname == NULL)
@@ -257,15 +97,29 @@ main(int argc, char *argv[])
 
        memset(&curp, 0, sizeof(struct curparse));
 
-       curp.inttype = INTT_AUTO;
+       options = MPARSE_SO;
        curp.outtype = OUTT_ASCII;
        curp.wlevel  = MANDOCLEVEL_FATAL;
+       defos = NULL;
 
        /* LINTED */
-       while (-1 != (c = getopt(argc, argv, "m:O:T:VW:")))
+       while (-1 != (c = getopt(argc, argv, "I:m:O:T:VW:")))
                switch (c) {
+               case ('I'):
+                       if (strncmp(optarg, "os=", 3)) {
+                               fprintf(stderr, "-I%s: Bad argument\n",
+                                               optarg);
+                               return((int)MANDOCLEVEL_BADARG);
+                       }
+                       if (defos) {
+                               fprintf(stderr, "-I%s: Duplicate argument\n",
+                                               optarg);
+                               return((int)MANDOCLEVEL_BADARG);
+                       }
+                       defos = mandoc_strdup(optarg + 3);
+                       break;
                case ('m'):
-                       if ( ! moptions(&curp.inttype, optarg))
+                       if ( ! moptions(&options, optarg))
                                return((int)MANDOCLEVEL_BADARG);
                        break;
                case ('O'):
@@ -288,262 +142,89 @@ main(int argc, char *argv[])
                        /* NOTREACHED */
                }
 
+       curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos);
+
+       /*
+        * Conditionally start up the lookaside buffer before parsing.
+        */
+       if (OUTT_MAN == curp.outtype)
+               mparse_keep(curp.mp);
+
        argc -= optind;
        argv += optind;
 
-       if (NULL == *argv) {
-               curp.file = "<stdin>";
-               curp.fd = STDIN_FILENO;
+       rc = MANDOCLEVEL_OK;
 
-               fdesc(&curp);
-       }
+       if (NULL == *argv)
+               parse(&curp, STDIN_FILENO, "<stdin>", &rc);
 
        while (*argv) {
-               ffile(*argv, &curp);
-               if (MANDOCLEVEL_OK != exit_status && curp.wstop)
+               parse(&curp, -1, *argv, &rc);
+               if (MANDOCLEVEL_OK != rc && curp.wstop)
                        break;
                ++argv;
        }
 
        if (curp.outfree)
                (*curp.outfree)(curp.outdata);
-       if (curp.pmdoc)
-               mdoc_free(curp.pmdoc);
-       if (curp.pman)
-               man_free(curp.pman);
-       if (curp.roff)
-               roff_free(curp.roff);
+       if (curp.mp)
+               mparse_free(curp.mp);
+       free(defos);
 
-       return((int)exit_status);
+       return((int)rc);
 }
 
-
 static void
 version(void)
 {
 
-       (void)printf("%s %s\n", progname, VERSION);
+       printf("%s %s\n", progname, VERSION);
        exit((int)MANDOCLEVEL_OK);
 }
 
-
 static void
 usage(void)
 {
 
-       (void)fprintf(stderr, "usage: %s "
+       fprintf(stderr, "usage: %s "
                        "[-V] "
-                       "[-foption] "
+                       "[-Ios=name] "
                        "[-mformat] "
                        "[-Ooption] "
                        "[-Toutput] "
-                       "[-Werr] "
-                       "[file...]\n", 
+                       "[-Wlevel]\n"
+                       "\t      [file ...]\n", 
                        progname);
 
        exit((int)MANDOCLEVEL_BADARG);
 }
 
 static void
-ffile(const char *file, struct curparse *curp)
-{
-
-       /*
-        * Called once per input file.  Get the file ready for reading,
-        * pass it through to the parser-driver, then close it out.
-        * XXX: don't do anything special as this is only called for
-        * files; stdin goes directly to fdesc().
-        */
-
-       curp->file = file;
-
-       if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
-               perror(curp->file);
-               exit_status = MANDOCLEVEL_SYSERR;
-               return;
-       }
-
-       fdesc(curp);
-
-       if (-1 == close(curp->fd))
-               perror(curp->file);
-}
-
-static int
-pfile(const char *file, struct curparse *curp)
+parse(struct curparse *curp, int fd, 
+               const char *file, enum mandoclevel *level)
 {
-       const char      *savefile;
-       int              fd, savefd;
+       enum mandoclevel  rc;
+       struct mdoc      *mdoc;
+       struct man       *man;
 
-       if (-1 == (fd = open(file, O_RDONLY, 0))) {
-               perror(file);
-               file_status = MANDOCLEVEL_SYSERR;
-               return(0);
-       }
-
-       savefile = curp->file;
-       savefd = curp->fd;
-
-       curp->file = file;
-       curp->fd = fd;
+       /* Begin by parsing the file itself. */
 
-       pdesc(curp);
+       assert(file);
+       assert(fd >= -1);
 
-       curp->file = savefile;
-       curp->fd = savefd;
-
-       if (-1 == close(fd))
-               perror(file);
-
-       return(MANDOCLEVEL_FATAL > file_status ? 1 : 0);
-}
+       rc = mparse_readfd(curp->mp, fd, file);
 
+       /* Stop immediately if the parse has failed. */
 
-static void
-resize_buf(struct buf *buf, size_t initial)
-{
-
-       buf->sz = buf->sz > initial/2 ? 2 * buf->sz : initial;
-       buf->buf = realloc(buf->buf, buf->sz);
-       if (NULL == buf->buf) {
-               perror(NULL);
-               exit((int)MANDOCLEVEL_SYSERR);
-       }
-}
-
-
-static int
-read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
-{
-       struct stat      st;
-       size_t           off;
-       ssize_t          ssz;
-
-       if (-1 == fstat(curp->fd, &st)) {
-               perror(curp->file);
-               return(0);
-       }
-
-       /*
-        * If we're a regular file, try just reading in the whole entry
-        * via mmap().  This is faster than reading it into blocks, and
-        * since each file is only a few bytes to begin with, I'm not
-        * concerned that this is going to tank any machines.
-        */
-
-       if (S_ISREG(st.st_mode)) {
-               if (st.st_size >= (1U << 31)) {
-                       fprintf(stderr, "%s: input too large\n", 
-                                       curp->file);
-                       return(0);
-               }
-               *with_mmap = 1;
-               fb->sz = (size_t)st.st_size;
-               fb->buf = mmap(NULL, fb->sz, PROT_READ, 
-                               MAP_FILE|MAP_SHARED, curp->fd, 0);
-               if (fb->buf != MAP_FAILED)
-                       return(1);
-       }
-
-       /*
-        * If this isn't a regular file (like, say, stdin), then we must
-        * go the old way and just read things in bit by bit.
-        */
-
-       *with_mmap = 0;
-       off = 0;
-       fb->sz = 0;
-       fb->buf = NULL;
-       for (;;) {
-               if (off == fb->sz) {
-                       if (fb->sz == (1U << 31)) {
-                               fprintf(stderr, "%s: input too large\n", 
-                                               curp->file);
-                               break;
-                       }
-                       resize_buf(fb, 65536);
-               }
-               ssz = read(curp->fd, fb->buf + (int)off, fb->sz - off);
-               if (ssz == 0) {
-                       fb->sz = off;
-                       return(1);
-               }
-               if (ssz == -1) {
-                       perror(curp->file);
-                       break;
-               }
-               off += (size_t)ssz;
-       }
-
-       free(fb->buf);
-       fb->buf = NULL;
-       return(0);
-}
-
-
-static void
-fdesc(struct curparse *curp)
-{
-
-       /*
-        * Called once per file with an opened file descriptor.  All
-        * pre-file-parse operations (whether stdin or a file) should go
-        * here.
-        *
-        * This calls down into the nested parser, which drills down and
-        * fully parses a file and all its dependences (i.e., `so').  It
-        * then runs the cleanup validators and pushes to output.
-        */
-
-       /* Zero the parse type. */
-
-       curp->mdoc = NULL;
-       curp->man = NULL;
-       file_status = MANDOCLEVEL_OK;
-
-       /* Make sure the mandotory roff parser is initialised. */
-
-       if (NULL == curp->roff) {
-               curp->roff = roff_alloc(&curp->regs, curp, mmsg);
-               assert(curp->roff);
-       }
-
-       /* Fully parse the file. */
-
-       pdesc(curp);
-
-       if (MANDOCLEVEL_FATAL <= file_status)
-               goto cleanup;
-
-       /* NOTE a parser may not have been assigned, yet. */
-
-       if ( ! (curp->man || curp->mdoc)) {
-               fprintf(stderr, "%s: Not a manual\n", curp->file);
-               file_status = MANDOCLEVEL_FATAL;
+       if (MANDOCLEVEL_FATAL <= rc)
                goto cleanup;
-       }
-
-       /* Clean up the parse routine ASTs. */
-
-       if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) {
-               assert(MANDOCLEVEL_FATAL <= file_status);
-               goto cleanup;
-       }
-
-       if (curp->man && ! man_endparse(curp->man)) {
-               assert(MANDOCLEVEL_FATAL <= file_status);
-               goto cleanup;
-       }
-
-       assert(curp->roff);
-       roff_endparse(curp->roff);
 
        /*
-        * With -Wstop and warnings or errors of at least
-        * the requested level, do not produce output.
+        * With -Wstop and warnings or errors of at least the requested
+        * level, do not produce output.
         */
 
-       if (MANDOCLEVEL_OK != file_status && curp->wstop)
+       if (MANDOCLEVEL_OK != rc && curp->wstop)
                goto cleanup;
 
        /* If unset, allocate output dev now (if applicable). */
@@ -552,9 +233,19 @@ fdesc(struct curparse *curp)
                switch (curp->outtype) {
                case (OUTT_XHTML):
                        curp->outdata = xhtml_alloc(curp->outopts);
+                       curp->outfree = html_free;
                        break;
                case (OUTT_HTML):
                        curp->outdata = html_alloc(curp->outopts);
+                       curp->outfree = html_free;
+                       break;
+               case (OUTT_UTF8):
+                       curp->outdata = utf8_alloc(curp->outopts);
+                       curp->outfree = ascii_free;
+                       break;
+               case (OUTT_LOCALE):
+                       curp->outdata = locale_alloc(curp->outopts);
+                       curp->outfree = ascii_free;
                        break;
                case (OUTT_ASCII):
                        curp->outdata = ascii_alloc(curp->outopts);
@@ -578,16 +269,23 @@ fdesc(struct curparse *curp)
                case (OUTT_XHTML):
                        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_MAN):
+                       curp->outmdoc = man_mdoc;
+                       curp->outman = man_man;
+                       break;
                case (OUTT_PDF):
                        /* FALLTHROUGH */
                case (OUTT_ASCII):
                        /* FALLTHROUGH */
+               case (OUTT_UTF8):
+                       /* FALLTHROUGH */
+               case (OUTT_LOCALE):
+                       /* FALLTHROUGH */
                case (OUTT_PS):
                        curp->outman = terminal_man;
                        curp->outmdoc = terminal_mdoc;
@@ -597,371 +295,33 @@ fdesc(struct curparse *curp)
                }
        }
 
+       mparse_result(curp->mp, &mdoc, &man, NULL);
+
        /* Execute the out device, if it exists. */
 
-       if (curp->man && curp->outman)
-               (*curp->outman)(curp->outdata, curp->man);
-       if (curp->mdoc && curp->outmdoc)
-               (*curp->outmdoc)(curp->outdata, curp->mdoc);
+       if (man && curp->outman)
+               (*curp->outman)(curp->outdata, man);
+       if (mdoc && curp->outmdoc)
+               (*curp->outmdoc)(curp->outdata, mdoc);
 
  cleanup:
 
-       memset(&curp->regs, 0, sizeof(struct regset));
-
-       /* Reset the current-parse compilers. */
-
-       if (curp->mdoc)
-               mdoc_reset(curp->mdoc);
-       if (curp->man)
-               man_reset(curp->man);
-
-       assert(curp->roff);
-       roff_reset(curp->roff);
-
-       if (exit_status < file_status)
-               exit_status = file_status;
-
-       return;
-}
-
-static void
-pdesc(struct curparse *curp)
-{
-       struct buf       blk;
-       int              with_mmap;
-
-       /*
-        * 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(curp, &blk, &with_mmap)) {
-               file_status = MANDOCLEVEL_SYSERR;
-               return;
-       }
-
-       /* Line number is per-file. */
-
-       curp->line = 1;
-
-       parsebuf(curp, blk, 1);
-
-       if (with_mmap)
-               munmap(blk.buf, blk.sz);
-       else
-               free(blk.buf);
-}
-
-static void
-parsebuf(struct curparse *curp, struct buf blk, int start)
-{
-       const struct tbl_span   *span;
-       struct buf       ln;
-       enum rofferr     rr;
-       int              i, of, rc;
-       int              pos; /* byte number in the ln buffer */
-       int              lnn; /* line number in the real file */
-       unsigned char    c;
-
-       /*
-        * Main parse routine for an opened file.  This is called for
-        * each opened file and simply loops around the full input file,
-        * possibly nesting (i.e., with `so').
-        */
-
-       memset(&ln, 0, sizeof(struct buf));
-
-       lnn = curp->line; 
-       pos = 0; 
-
-       for (i = 0; i < (int)blk.sz; ) {
-               if (0 == pos && '\0' == blk.buf[i])
-                       break;
-
-               if (start) {
-                       curp->line = lnn;
-                       curp->reparse_count = 0;
-               }
-
-               while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) {
-
-                       /*
-                        * When finding an unescaped newline character,
-                        * leave the character loop to process the line.
-                        * Skip a preceding carriage return, if any.
-                        */
-
-                       if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz &&
-                           '\n' == blk.buf[i + 1])
-                               ++i;
-                       if ('\n' == blk.buf[i]) {
-                               ++i;
-                               ++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, 
-                                   curp->line, pos, "ignoring byte");
-                               i++;
-                               continue;
-                       }
-
-                       /* Trailing backslash = a plain char. */
-
-                       if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
-                               if (pos >= (int)ln.sz)
-                                       resize_buf(&ln, 256);
-                               ln.buf[pos++] = blk.buf[i++];
-                               continue;
-                       }
-
-                       /*
-                        * Found escape and at least one other character.
-                        * When it's a newline character, skip it.
-                        * When there is a carriage return in between,
-                        * skip that one as well.
-                        */
-
-                       if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz &&
-                           '\n' == blk.buf[i + 2])
-                               ++i;
-                       if ('\n' == blk.buf[i + 1]) {
-                               i += 2;
-                               ++lnn;
-                               continue;
-                       }
-
-                       if ('"' == blk.buf[i + 1]) {
-                               i += 2;
-                               /* Comment, skip to end of line */
-                               for (; i < (int)blk.sz; ++i) {
-                                       if ('\n' == blk.buf[i]) {
-                                               ++i;
-                                               ++lnn;
-                                               break;
-                                       }
-                               }
-
-                               /* Backout trailing whitespaces */
-                               for (; pos > 0; --pos) {
-                                       if (ln.buf[pos - 1] != ' ')
-                                               break;
-                                       if (pos > 2 && ln.buf[pos - 2] == '\\')
-                                               break;
-                               }
-                               break;
-                       }
-
-                       /* Some other escape sequence, copy & cont. */
-
-                       if (pos + 1 >= (int)ln.sz)
-                               resize_buf(&ln, 256);
-
-                       ln.buf[pos++] = blk.buf[i++];
-                       ln.buf[pos++] = blk.buf[i++];
-               }
-
-               if (pos >= (int)ln.sz)
-                       resize_buf(&ln, 256);
-
-               ln.buf[pos] = '\0';
-
-               /*
-                * A significant amount of complexity is contained by
-                * the roff preprocessor.  It's line-oriented but can be
-                * expressed on one line, so we need at times to
-                * readjust our starting point and re-run it.  The roff
-                * preprocessor can also readjust the buffers with new
-                * data, so we pass them in wholesale.
-                */
-
-               of = 0;
-
-rerun:
-               rr = roff_parseln
-                       (curp->roff, curp->line, 
-                        &ln.buf, &ln.sz, of, &of);
-
-               switch (rr) {
-               case (ROFF_REPARSE):
-                       if (REPARSE_LIMIT >= ++curp->reparse_count)
-                               parsebuf(curp, ln, 0);
-                       else
-                               mmsg(MANDOCERR_ROFFLOOP, curp, 
-                                   curp->line, pos, NULL);
-                       pos = 0;
-                       continue;
-               case (ROFF_APPEND):
-                       pos = strlen(ln.buf);
-                       continue;
-               case (ROFF_RERUN):
-                       goto rerun;
-               case (ROFF_IGN):
-                       pos = 0;
-                       continue;
-               case (ROFF_ERR):
-                       assert(MANDOCLEVEL_FATAL <= file_status);
-                       break;
-               case (ROFF_SO):
-                       if (pfile(ln.buf + of, curp)) {
-                               pos = 0;
-                               continue;
-                       } else
-                               break;
-               default:
-                       break;
-               }
-
-               /*
-                * If we encounter errors in the recursive parsebuf()
-                * call, make sure we don't continue parsing.
-                */
-
-               if (MANDOCLEVEL_FATAL <= file_status)
-                       break;
-
-               /*
-                * If input parsers have not been allocated, do so now.
-                * We keep these instanced betwen parsers, but set them
-                * locally per parse routine since we can use different
-                * parsers with each one.
-                */
-
-               if ( ! (curp->man || curp->mdoc))
-                       pset(ln.buf + of, pos - of, curp);
-
-               /* 
-                * Lastly, push down into the parsers themselves.  One
-                * of these will have already been set in the pset()
-                * routine.
-                * If libroff returns ROFF_TBL, then add it to the
-                * currently open parse.  Since we only get here if
-                * there does exist data (see tbl_data.c), we're
-                * guaranteed that something's been allocated.
-                */
-
-               if (ROFF_TBL == rr) {
-                       assert(curp->man || curp->mdoc);
-                       while (NULL != (span = roff_span(curp->roff))) {
-                               if (curp->man)
-                                       man_addspan(curp->man, span);
-                               else
-                                       mdoc_addspan(curp->mdoc, span);
-                       }
-               } else if (ROFF_EQN == rr) {
-                       assert(curp->man || curp->mdoc);
-                       assert(roff_eqn(curp->roff));
-                       if (curp->mdoc)
-                               mdoc_addeqn(curp->mdoc, roff_eqn(curp->roff));
-               } else if (curp->man || curp->mdoc) {
-                       rc = curp->man ?
-                               man_parseln(curp->man, 
-                                       curp->line, ln.buf, of) :
-                               mdoc_parseln(curp->mdoc, 
-                                       curp->line, ln.buf, of);
-
-                       if ( ! rc) {
-                               assert(MANDOCLEVEL_FATAL <= file_status);
-                               break;
-                       }
-               }
-
-               /* Temporary buffers typically are not full. */
-
-               if (0 == start && '\0' == blk.buf[i])
-                       break;
-
-               /* Start the next input line. */
-
-               pos = 0;
-       }
-
-       free(ln.buf);
-}
-
-static void
-pset(const char *buf, int pos, struct curparse *curp)
-{
-       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.
-        *
-        * Separate out pmdoc/pman from mdoc/man: the first persists
-        * through all parsers, while the latter is used per-parse.
-        */
-
-       if ('.' == buf[0] || '\'' == buf[0]) {
-               for (i = 1; buf[i]; i++)
-                       if (' ' != buf[i] && '\t' != buf[i])
-                               break;
-               if ('\0' == buf[i])
-                       return;
-       }
-
-       switch (curp->inttype) {
-       case (INTT_MDOC):
-               if (NULL == curp->pmdoc) 
-                       curp->pmdoc = mdoc_alloc
-                               (&curp->regs, curp, mmsg);
-               assert(curp->pmdoc);
-               curp->mdoc = curp->pmdoc;
-               return;
-       case (INTT_MAN):
-               if (NULL == curp->pman) 
-                       curp->pman = man_alloc
-                               (&curp->regs, curp, mmsg);
-               assert(curp->pman);
-               curp->man = curp->pman;
-               return;
-       default:
-               break;
-       }
-
-       if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3))  {
-               if (NULL == curp->pmdoc) 
-                       curp->pmdoc = mdoc_alloc
-                               (&curp->regs, curp, mmsg);
-               assert(curp->pmdoc);
-               curp->mdoc = curp->pmdoc;
-               return;
-       } 
+       mparse_reset(curp->mp);
 
-       if (NULL == curp->pman) 
-               curp->pman = man_alloc(&curp->regs, curp, mmsg);
-       assert(curp->pman);
-       curp->man = curp->pman;
+       if (*level < rc)
+               *level = rc;
 }
 
 static int
-moptions(enum intt *tflags, char *arg)
+moptions(int *options, char *arg)
 {
 
        if (0 == strcmp(arg, "doc"))
-               *tflags = INTT_MDOC;
+               *options |= MPARSE_MDOC;
        else if (0 == strcmp(arg, "andoc"))
-               *tflags = INTT_AUTO;
+               /* nothing to do */;
        else if (0 == strcmp(arg, "an"))
-               *tflags = INTT_MAN;
+               *options |= MPARSE_MAN;
        else {
                fprintf(stderr, "%s: Bad argument\n", arg);
                return(0);
@@ -979,11 +339,16 @@ toptions(struct curparse *curp, char *arg)
        else if (0 == strcmp(arg, "lint")) {
                curp->outtype = OUTT_LINT;
                curp->wlevel  = MANDOCLEVEL_WARNING;
-       }
-       else if (0 == strcmp(arg, "tree"))
+       } else if (0 == strcmp(arg, "tree"))
                curp->outtype = OUTT_TREE;
+       else if (0 == strcmp(arg, "man"))
+               curp->outtype = OUTT_MAN;
        else if (0 == strcmp(arg, "html"))
                curp->outtype = OUTT_HTML;
+       else if (0 == strcmp(arg, "utf8"))
+               curp->outtype = OUTT_UTF8;
+       else if (0 == strcmp(arg, "locale"))
+               curp->outtype = OUTT_LOCALE;
        else if (0 == strcmp(arg, "xhtml"))
                curp->outtype = OUTT_XHTML;
        else if (0 == strcmp(arg, "ps"))
@@ -1037,29 +402,18 @@ woptions(struct curparse *curp, char *arg)
        return(1);
 }
 
-static int
-mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg)
+static void
+mmsg(enum mandocerr t, enum mandoclevel lvl, 
+               const char *file, int line, int col, const char *msg)
 {
-       struct curparse *cp;
-       enum mandoclevel level;
 
-       level = MANDOCLEVEL_FATAL;
-       while (t < mandoclimits[level])
-               /* LINTED */
-               level--;
+       fprintf(stderr, "%s:%d:%d: %s: %s", 
+                       file, line, col + 1, 
+                       mparse_strlevel(lvl),
+                       mparse_strerror(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);
-       fputc('\n', stderr);
 
-       if (file_status < level)
-               file_status = level;
-       
-       return(level < MANDOCLEVEL_FATAL);
+       fputc('\n', stderr);
 }