]> git.cameronkatri.com Git - mandoc.git/blobdiff - main.c
Fix enum/int mixing.
[mandoc.git] / main.c
diff --git a/main.c b/main.c
index 469dc2eff136aa35494faf92d4fc9ac5f8482f5e..4c7db9c8eaf847757276f0e66721427e6f0b09f0 100644 (file)
--- a/main.c
+++ b/main.c
@@ -1,6 +1,7 @@
-/*     $Id: main.c,v 1.92 2010/06/27 15:52:41 kristaps Exp $ */
+/*     $Id: main.c,v 1.114 2010/12/01 17:00:05 kristaps Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
+ * 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
@@ -22,6 +23,7 @@
 #include <sys/stat.h>
 
 #include <assert.h>
+#include <ctype.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdint.h>
 #include <unistd.h>
 
 #include "mandoc.h"
-#include "regs.h"
 #include "main.h"
 #include "mdoc.h"
 #include "man.h"
 #include "roff.h"
 
+#ifndef MAP_FILE
+#define        MAP_FILE        0
+#endif
+
 #define        UNCONST(a)      ((void *)(uintptr_t)(const void *)(a))
 
 /* FIXME: Intel's compiler?  LLVM?  pcc?  */
@@ -67,24 +72,19 @@ enum        outt {
        OUTT_HTML,
        OUTT_XHTML,
        OUTT_LINT,
-       OUTT_PS
+       OUTT_PS,
+       OUTT_PDF
 };
 
 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 /* ignore nothing */
+       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) */
@@ -97,34 +97,61 @@ 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",
+
+       ".so is fragile, better use ln(1)",
        "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",
-       "scope open on exit",
+       "blocks badly nested",
+
+       "generic error",
+
        "NAME section must come first",
        "bad Boolean value",
        "child violates parent syntax",
        "bad AT&T symbol",
+       "bad standard",
        "list type repeated",
        "display type repeated",
        "argument repeated",
+       "ignoring argument",
        "manual name not yet set",
        "obsolete macro ignored",
        "empty macro ignored",
@@ -136,54 +163,57 @@ static    const char * const      mandocerrs[MANDOCERR_MAX] = {
        "no text in this context",
        "bad comment style",
        "unknown macro will be lost",
+       "NOT IMPLEMENTED: skipping request",
        "line scope broken",
-       "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",
+       "paragraph macro ignored",
+
+       "generic fatal error",
+
        "column syntax is inconsistent",
-       "missing font type",
        "displays may not be nested",
        "unsupported display type",
-       "no scope to rewind: syntax violated",
-       "scope broken, syntax violated",
+       "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",
+       "NOT IMPLEMENTED: .so with absolute path or \"..\"",
        "no document body",
        "no document prologue",
        "utsname system call failed",
-       "memory exhausted",
+       "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               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               pfile(const char *, struct curparse *);
 static int               moptions(enum intt *, char *);
 static int               mmsg(enum mandocerr, void *, 
                                int, int, const char *);
-static int               pset(const char *, int, struct curparse *,
-                               struct man **, struct mdoc **);
+static void              pset(const char *, int, struct curparse *);
 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         int               with_error;
-static int               with_warning;
+static enum mandoclevel  exit_status = MANDOCLEVEL_OK;
 
 int
 main(int argc, char *argv[])
@@ -201,17 +231,14 @@ main(int argc, char *argv[])
 
        curp.inttype = INTT_AUTO;
        curp.outtype = OUTT_ASCII;
+       curp.wlevel  = MANDOCLEVEL_FATAL;
 
        /* LINTED */
-       while (-1 != (c = getopt(argc, argv, "f:m:O:T:VW:")))
+       while (-1 != (c = getopt(argc, argv, "m:O:T:VW:")))
                switch (c) {
-               case ('f'):
-                       if ( ! foptions(&curp.fflags, optarg))
-                               return(EXIT_FAILURE);
-                       break;
                case ('m'):
                        if ( ! moptions(&curp.inttype, optarg))
-                               return(EXIT_FAILURE);
+                               return((int)MANDOCLEVEL_BADARG);
                        break;
                case ('O'):
                        (void)strlcat(curp.outopts, optarg, BUFSIZ);
@@ -219,11 +246,11 @@ main(int argc, char *argv[])
                        break;
                case ('T'):
                        if ( ! toptions(&curp, optarg))
-                               return(EXIT_FAILURE);
+                               return((int)MANDOCLEVEL_BADARG);
                        break;
                case ('W'):
-                       if ( ! woptions(&curp.wflags, optarg))
-                               return(EXIT_FAILURE);
+                       if ( ! woptions(&curp, optarg))
+                               return((int)MANDOCLEVEL_BADARG);
                        break;
                case ('V'):
                        version();
@@ -245,23 +272,21 @@ main(int argc, char *argv[])
 
        while (*argv) {
                ffile(*argv, &curp);
-
-               if (with_error && !(curp.fflags & FL_IGN_ERRORS))
+               if (MANDOCLEVEL_OK != exit_status && curp.wstop)
                        break;
                ++argv;
        }
 
        if (curp.outfree)
                (*curp.outfree)(curp.outdata);
-       if (curp.mdoc)
-               mdoc_free(curp.mdoc);
-       if (curp.man)
-               man_free(curp.man);
+       if (curp.pmdoc)
+               mdoc_free(curp.pmdoc);
+       if (curp.pman)
+               man_free(curp.pman);
        if (curp.roff)
                roff_free(curp.roff);
 
-       return((with_warning || with_error) ? 
-                       EXIT_FAILURE :  EXIT_SUCCESS);
+       return((int)exit_status);
 }
 
 
@@ -270,7 +295,7 @@ version(void)
 {
 
        (void)printf("%s %s\n", progname, VERSION);
-       exit(EXIT_SUCCESS);
+       exit((int)MANDOCLEVEL_OK);
 }
 
 
@@ -278,95 +303,84 @@ static void
 usage(void)
 {
 
-       (void)fprintf(stderr, "usage: %s [-V] [-foption] "
-                       "[-mformat] [-Ooption] [-Toutput] "
-                       "[-Werr] [file...]\n", progname);
-       exit(EXIT_FAILURE);
+       (void)fprintf(stderr, "usage: %s "
+                       "[-V] "
+                       "[-foption] "
+                       "[-mformat] "
+                       "[-Ooption] "
+                       "[-Toutput] "
+                       "[-Werr] "
+                       "[file...]\n", 
+                       progname);
+
+       exit((int)MANDOCLEVEL_BADARG);
 }
 
-
-static struct man *
-man_init(struct curparse *curp)
+static void
+ffile(const char *file, struct curparse *curp)
 {
-       int              pflags;
 
-       /* 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;
+       /*
+        * 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().
+        */
 
-       return(man_alloc(&curp->regs, curp, pflags, mmsg));
-}
+       curp->file = file;
 
+       if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
+               perror(curp->file);
+               exit_status = MANDOCLEVEL_SYSERR;
+               return;
+       }
 
-static struct roff *
-roff_init(struct curparse *curp)
-{
+       fdesc(curp);
 
-       return(roff_alloc(&curp->regs, mmsg, curp));
+       if (-1 == close(curp->fd))
+               perror(curp->file);
 }
 
-
-static struct mdoc *
-mdoc_init(struct curparse *curp)
+static int
+pfile(const char *file, struct curparse *curp)
 {
-       int              pflags;
-
-       /* Defaults from mandoc.1. */
-
-       pflags = MDOC_IGN_MACRO | MDOC_IGN_ESCAPE;
+       const char      *savefile;
+       int              fd, savefd;
 
-       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 (-1 == (fd = open(file, O_RDONLY, 0))) {
+               perror(file);
+               exit_status = MANDOCLEVEL_SYSERR;
+               return(0);
+       }
 
-       return(mdoc_alloc(&curp->regs, curp, pflags, mmsg));
-}
+       savefile = curp->file;
+       savefd = curp->fd;
 
+       curp->file = file;
+       curp->fd = fd;
 
-static void
-ffile(const char *file, struct curparse *curp)
-{
+       pdesc(curp);
 
-       curp->file = file;
-       if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
-               perror(curp->file);
-               with_error = 1;
-               return;
-       }
+       curp->file = savefile;
+       curp->fd = savefd;
 
-       fdesc(curp);
+       if (-1 == close(fd))
+               perror(file);
 
-       if (-1 == close(curp->fd))
-               perror(curp->file);
+       return(MANDOCLEVEL_FATAL > exit_status ? 1 : 0);
 }
 
 
-static int
+static void
 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);
-               return(0);
+               exit((int)MANDOCLEVEL_SYSERR);
        }
-       buf->buf = tmp;
-       buf->sz = sz;
-       return(1);
 }
 
 
@@ -379,7 +393,6 @@ read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
 
        if (-1 == fstat(curp->fd, &st)) {
                perror(curp->file);
-               with_error = 1;
                return(0);
        }
 
@@ -394,7 +407,6 @@ 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);
-                       with_error = 1;
                        return(0);
                }
                *with_mmap = 1;
@@ -421,8 +433,7 @@ read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
                                                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) {
@@ -438,7 +449,6 @@ read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
 
        free(fb->buf);
        fb->buf = NULL;
-       with_error = 1;
        return(0);
 }
 
@@ -446,56 +456,247 @@ read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
 static void
 fdesc(struct curparse *curp)
 {
-       struct buf       ln, blk;
-       int              i, pos, lnn, lnn_start, with_mmap, of;
-       enum rofferr     re;
-       struct man      *man;
-       struct mdoc     *mdoc;
-       struct roff     *roff;
 
-       man = NULL;
-       mdoc = NULL;
-       roff = NULL;
+       /*
+        * 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. */
 
-       memset(&ln, 0, sizeof(struct buf));
+       curp->mdoc = NULL;
+       curp->man = NULL;
+
+       /* 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 <= exit_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);
+               exit_status = MANDOCLEVEL_FATAL;
+               goto cleanup;
+       }
+
+       /* Clean up the parse routine ASTs. */
+
+       if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) {
+               assert(MANDOCLEVEL_FATAL <= exit_status);
+               goto cleanup;
+       }
+
+       if (curp->man && ! man_endparse(curp->man)) {
+               assert(MANDOCLEVEL_FATAL <= exit_status);
+               goto cleanup;
+       }
+
+       assert(curp->roff);
+       if ( ! roff_endparse(curp->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 ( ! (curp->outman && curp->outmdoc)) {
+               switch (curp->outtype) {
+               case (OUTT_XHTML):
+                       curp->outdata = xhtml_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;
+                       break;
+               case (OUTT_TREE):
+                       curp->outman = tree_man;
+                       curp->outmdoc = tree_mdoc;
+                       break;
+               case (OUTT_PDF):
+                       /* FALLTHROUGH */
+               case (OUTT_ASCII):
+                       /* FALLTHROUGH */
+               case (OUTT_PS):
+                       curp->outman = terminal_man;
+                       curp->outmdoc = terminal_mdoc;
+                       break;
+               default:
+                       break;
+               }
+       }
+
+       /* 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);
+
+ 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);
+
+       return;
+}
+
+static void
+pdesc(struct curparse *curp)
+{
+       struct buf       blk;
+       int              with_mmap;
 
        /*
-        * Two buffers: ln and buf.  buf is the input file and may be
-        * memory mapped.  ln is a line buffer and grows on-demand.
+        * 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))
+       if ( ! read_whole_file(curp, &blk, &with_mmap)) {
+               exit_status = MANDOCLEVEL_SYSERR;
                return;
+       }
 
-       if (NULL == curp->roff) 
-               curp->roff = roff_init(curp);
-       if (NULL == (roff = curp->roff))
-               goto bailout;
+       /* Line number is per-file. */
 
-       for (i = 0, lnn = 1; i < (int)blk.sz;) {
-               pos = 0;
-               lnn_start = lnn;
-               while (i < (int)blk.sz) {
+       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)
+{
+       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;
+
+               while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) {
                        if ('\n' == blk.buf[i]) {
                                ++i;
                                ++lnn;
                                break;
                        }
-                       /* Trailing backslash is like a plain character. */
+
+                       /* 
+                        * 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)
-                                       if (! resize_buf(&ln, 256))
-                                               goto bailout;
+                                       resize_buf(&ln, 256);
                                ln.buf[pos++] = blk.buf[i++];
                                continue;
                        }
-                       /* Found an escape and at least one other character. */
+
+                       /* Found escape & at least one other char. */
+
                        if ('\n' == blk.buf[i + 1]) {
-                               /* Escaped newlines are skipped over */
                                i += 2;
+                               /* Escaped newlines are skipped over */
                                ++lnn;
                                continue;
                        }
+
                        if ('"' == blk.buf[i + 1]) {
                                i += 2;
                                /* Comment, skip to end of line */
@@ -506,6 +707,7 @@ fdesc(struct curparse *curp)
                                                break;
                                        }
                                }
+
                                /* Backout trailing whitespaces */
                                for (; pos > 0; --pos) {
                                        if (ln.buf[pos - 1] != ' ')
@@ -515,18 +717,19 @@ fdesc(struct curparse *curp)
                                }
                                break;
                        }
-                       /* Some other escape sequence, copy and continue. */
+
+                       /* Some other escape sequence, copy & cont. */
+
                        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)
-                       if (! resize_buf(&ln, 256))
-                               goto bailout;
+                       resize_buf(&ln, 256);
+
                ln.buf[pos] = '\0';
 
                /*
@@ -539,15 +742,37 @@ fdesc(struct curparse *curp)
                 */
 
                of = 0;
-               do {
-                       re = roff_parseln(roff, lnn_start, 
-                                       &ln.buf, &ln.sz, of, &of);
-               } while (ROFF_RERUN == re);
 
-               if (ROFF_IGN == re)
+rerun:
+               rr = roff_parseln
+                       (curp->roff, curp->line, 
+                        &ln.buf, &ln.sz, of, &of);
+
+               switch (rr) {
+               case (ROFF_REPARSE):
+                       parsebuf(curp, ln, 0);
+                       pos = 0;
+                       continue;
+               case (ROFF_APPEND):
+                       pos = strlen(ln.buf);
                        continue;
-               else if (ROFF_ERR == re)
-                       goto bailout;
+               case (ROFF_RERUN):
+                       goto rerun;
+               case (ROFF_IGN):
+                       pos = 0;
+                       continue;
+               case (ROFF_ERR):
+                       assert(MANDOCLEVEL_FATAL <= exit_status);
+                       break;
+               case (ROFF_SO):
+                       if (pfile(ln.buf + of, curp)) {
+                               pos = 0;
+                               continue;
+                       } else
+                               break;
+               case (ROFF_CONT):
+                       break;
+               }
 
                /*
                 * If input parsers have not been allocated, do so now.
@@ -556,112 +781,43 @@ fdesc(struct curparse *curp)
                 * parsers with each one.
                 */
 
-               if ( ! (man || mdoc))
-                       if ( ! pset(ln.buf + of, pos - of, curp, &man, &mdoc))
-                               goto bailout;
+               if ( ! (curp->man || curp->mdoc))
+                       pset(ln.buf + of, pos - of, curp);
 
-               /* 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;
-       }
-
-       /* NOTE a parser may not have been assigned, yet. */
-
-       if ( ! (man || mdoc)) {
-               fprintf(stderr, "%s: Not a manual\n", curp->file);
-               goto bailout;
-       }
-
-       /* 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;
+               /* 
+                * Lastly, push down into the parsers themselves.  One
+                * of these will have already been set in the pset()
+                * routine.
+                */
 
-       /* If unset, allocate output dev now (if applicable). */
+               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 ( ! (curp->outman && curp->outmdoc)) {
-               switch (curp->outtype) {
-               case (OUTT_XHTML):
-                       curp->outdata = xhtml_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_PS):
-                       curp->outdata = ps_alloc();
-                       curp->outfree = ps_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;
-                       break;
-               case (OUTT_TREE):
-                       curp->outman = tree_man;
-                       curp->outmdoc = tree_mdoc;
-                       break;
-               case (OUTT_ASCII):
-                       /* FALLTHROUGH */
-               case (OUTT_PS):
-                       curp->outman = terminal_man;
-                       curp->outmdoc = terminal_mdoc;
-                       break;
-               default:
-                       break;
+                       if ( ! rc) {
+                               assert(MANDOCLEVEL_FATAL <= exit_status);
+                               break;
+                       }
                }
-       }
 
-       /* Execute the out device, if it exists. */
+               /* Temporary buffers typically are not full. */
 
-       if (man && curp->outman)
-               (*curp->outman)(curp->outdata, man);
-       if (mdoc && curp->outmdoc)
-               (*curp->outmdoc)(curp->outdata, mdoc);
+               if (0 == start && '\0' == blk.buf[i])
+                       break;
 
- cleanup:
-       memset(&curp->regs, 0, sizeof(struct regset));
-       if (mdoc)
-               mdoc_reset(mdoc);
-       if (man)
-               man_reset(man);
-       if (roff)
-               roff_reset(roff);
-       if (ln.buf)
-               free(ln.buf);
-       if (with_mmap)
-               munmap(blk.buf, blk.sz);
-       else
-               free(blk.buf);
+               /* Start the next input line. */
 
-       return;
+               pos = 0;
+       }
 
- bailout:
-       with_error = 1;
-       goto cleanup;
+       free(ln.buf);
 }
 
-
-static int
-pset(const char *buf, int pos, struct curparse *curp,
-               struct man **man, struct mdoc **mdoc)
+static void
+pset(const char *buf, int pos, struct curparse *curp)
 {
        int              i;
 
@@ -671,49 +827,53 @@ pset(const char *buf, int pos, struct curparse *curp,
         * 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(1);
+               if ('\0' == buf[i])
+                       return;
        }
 
        switch (curp->inttype) {
        case (INTT_MDOC):
-               if (NULL == curp->mdoc) 
-                       curp->mdoc = mdoc_init(curp);
-               if (NULL == (*mdoc = curp->mdoc))
-                       return(0);
-               return(1);
+               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->man) 
-                       curp->man = man_init(curp);
-               if (NULL == (*man = curp->man))
-                       return(0);
-               return(1);
+               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->mdoc) 
-                       curp->mdoc = mdoc_init(curp);
-               if (NULL == (*mdoc = curp->mdoc))
-                       return(0);
-               return(1);
+               if (NULL == curp->pmdoc) 
+                       curp->pmdoc = mdoc_alloc
+                               (&curp->regs, curp, mmsg);
+               assert(curp->pmdoc);
+               curp->mdoc = curp->pmdoc;
+               return;
        } 
 
-       if (NULL == curp->man) 
-               curp->man = man_init(curp);
-       if (NULL == (*man = curp->man))
-               return(0);
-       return(1);
+       if (NULL == curp->pman) 
+               curp->pman = man_alloc(&curp->regs, curp, mmsg);
+       assert(curp->pman);
+       curp->man = curp->pman;
 }
 
-
 static int
 moptions(enum intt *tflags, char *arg)
 {
@@ -732,7 +892,6 @@ moptions(enum intt *tflags, char *arg)
        return(1);
 }
 
-
 static int
 toptions(struct curparse *curp, char *arg)
 {
@@ -741,8 +900,7 @@ toptions(struct curparse *curp, char *arg)
                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;
@@ -752,6 +910,8 @@ toptions(struct curparse *curp, char *arg)
                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);
@@ -760,44 +920,38 @@ toptions(struct curparse *curp, char *arg)
        return(1);
 }
 
-
 static int
-foptions(int *fflags, char *arg)
+woptions(struct curparse *curp, char *arg)
 {
        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):
-                       *fflags |= FL_IGN_SCOPE;
+                       curp->wstop = 1;
                        break;
                case (1):
-                       *fflags |= FL_NIGN_ESCAPE;
-                       break;
+                       /* FALLTHROUGH */
                case (2):
-                       *fflags |= FL_NIGN_MACRO;
+                       curp->wlevel = MANDOCLEVEL_WARNING;
                        break;
                case (3):
-                       *fflags |= FL_IGN_ERRORS;
+                       curp->wlevel = MANDOCLEVEL_ERROR;
                        break;
                case (4):
-                       *fflags |= FL_STRICT;
-                       break;
-               case (5):
-                       *fflags &= ~FL_NIGN_ESCAPE;
+                       curp->wlevel = MANDOCLEVEL_FATAL;
                        break;
                default:
-                       fprintf(stderr, "%s: Bad argument\n", o);
+                       fprintf(stderr, "-W%s: Bad argument\n", o);
                        return(0);
                }
        }
@@ -805,64 +959,29 @@ foptions(int *fflags, char *arg)
        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;
-                       break;
-               default:
-                       fprintf(stderr, "%s: Bad argument\n", o);
-                       return(0);
-               }
-       }
-
-       return(1);
-}
-
-
 static int
 mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg)
 {
        struct curparse *cp;
+       enum mandoclevel level;
 
-       cp = (struct curparse *)arg;
+       level = MANDOCLEVEL_FATAL;
+       while (t < mandoclimits[level])
+               /* LINTED */
+               level--;
 
-       if (t <= MANDOCERR_ERROR) {
-               if ( ! (cp->wflags & WARN_WALL))
-                       return(1);
-               with_warning = 1;
-       } else
-               with_error = 1;
-
-       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);
-
        fputc('\n', stderr);
 
-       /* This is superfluous, but whatever. */
-       if (t > MANDOCERR_ERROR)
-               return(0);
-       if (cp->wflags & WARN_WERR) {
-               with_error = 1;
-               return(0);
-       }
-       return(1);
+       if (exit_status < level)
+               exit_status = level;
+       
+       return(level < MANDOCLEVEL_FATAL);
 }