-/* $Id: main.c,v 1.26 2009/06/10 20:18:43 kristaps Exp $ */
+/* $Id: main.c,v 1.38 2009/07/07 09:52:08 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
const char *file; /* Current parse. */
int fd; /* Current parse. */
int wflags;
-#define WARN_WALL 0x03 /* All-warnings mask. */
-#define WARN_WCOMPAT (1 << 0) /* Compatibility warnings. */
-#define WARN_WSYNTAX (1 << 1) /* Syntax warnings. */
+#define WARN_WALL (1 << 0) /* All-warnings mask. */
#define WARN_WERR (1 << 2) /* Warnings->errors. */
int fflags;
#define IGN_SCOPE (1 << 0) /* Ignore scope errors. */
#define NO_IGN_ESCAPE (1 << 1) /* Don't ignore bad escapes. */
#define NO_IGN_MACRO (1 << 2) /* Don't ignore bad macros. */
#define NO_IGN_CHARS (1 << 3) /* Don't ignore bad chars. */
- enum intt inttype; /* Input parsers. */
+ enum intt inttype; /* Input parsers... */
struct man *man;
struct man *lastman;
struct mdoc *mdoc;
struct mdoc *lastmdoc;
- enum outt outtype; /* Output devices. */
+ enum outt outtype; /* Output devices... */
out_mdoc outmdoc;
out_man outman;
out_free outfree;
static int moptions(enum intt *, char *);
static int woptions(int *, char *);
static int merr(void *, int, int, const char *);
-static int manwarn(void *, int, int, const char *);
-static int mdocwarn(void *, int, int,
- enum mdoc_warn, const char *);
-static int fstdin(struct buf *, struct buf *,
- struct curparse *);
+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 *,
switch (c) {
case ('f'):
if ( ! foptions(&curp.fflags, optarg))
- return(0);
+ return(EXIT_FAILURE);
break;
case ('m'):
if ( ! moptions(&curp.inttype, optarg))
- return(0);
+ return(EXIT_FAILURE);
break;
case ('T'):
if ( ! toptions(&curp.outtype, optarg))
- return(0);
+ return(EXIT_FAILURE);
break;
case ('W'):
if ( ! woptions(&curp.wflags, optarg))
- return(0);
+ return(EXIT_FAILURE);
break;
case ('V'):
version();
argc -= optind;
argv += optind;
- /* Configure buffers. */
-
bzero(&ln, sizeof(struct buf));
bzero(&blk, sizeof(struct buf));
rc = 1;
- if (NULL == *argv)
- if ( ! fstdin(&blk, &ln, &curp))
+ if (NULL == *argv) {
+ curp.file = "<stdin>";
+ curp.fd = STDIN_FILENO;
+ if ( ! fdesc(&blk, &ln, &curp))
rc = 0;
+ }
while (rc && *argv) {
if ( ! ffile(&blk, &ln, *argv, &curp))
struct man_cb mancb;
mancb.man_err = merr;
- mancb.man_warn = manwarn;
+ mancb.man_warn = mwarn;
- pflags = MAN_IGN_MACRO; /* XXX */
+ /* Defaults from mandoc.1. */
+
+ pflags = MAN_IGN_MACRO | MAN_IGN_ESCAPE | MAN_IGN_CHARS;
if (curp->fflags & NO_IGN_MACRO)
pflags &= ~MAN_IGN_MACRO;
+ if (curp->fflags & NO_IGN_CHARS)
+ pflags &= ~MAN_IGN_CHARS;
+ if (curp->fflags & NO_IGN_ESCAPE)
+ pflags &= ~MAN_IGN_ESCAPE;
if (NULL == (man = man_alloc(curp, pflags, &mancb)))
warnx("memory exhausted");
struct mdoc *mdoc;
struct mdoc_cb mdoccb;
- mdoccb.mdoc_msg = NULL;
mdoccb.mdoc_err = merr;
- mdoccb.mdoc_warn = mdocwarn;
+ mdoccb.mdoc_warn = mwarn;
+
+ /* Defaults from mandoc.1. */
pflags = MDOC_IGN_MACRO | MDOC_IGN_ESCAPE | MDOC_IGN_CHARS;
}
-static int
-fstdin(struct buf *blk, struct buf *ln, struct curparse *curp)
-{
-
- curp->file = "<stdin>";
- curp->fd = STDIN_FILENO;
- return(fdesc(blk, ln, curp));
-}
-
-
static int
ffile(struct buf *blk, struct buf *ln,
const char *file, struct curparse *curp)
size_t sz;
ssize_t ssz;
struct stat st;
- int j, i, pos, lnn;
+ int j, i, pos, lnn, comment;
struct man *man;
struct mdoc *mdoc;
*/
if (-1 == fstat(curp->fd, &st))
- warnx("%s", curp->file);
+ warn("%s", curp->file);
else if ((size_t)st.st_blksize > sz)
sz = st.st_blksize;
/* Fill buf with file blocksize. */
- for (lnn = 0, pos = 0; ; ) {
+ for (lnn = pos = comment = 0; ; ) {
if (-1 == (ssz = read(curp->fd, blk->buf, sz))) {
warn("%s", curp->file);
return(0);
}
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;
- }
+ }
- /* Check for CPP-escaped newline. */
+ /* Handle escaped `\\n' newlines. */
- if (pos > 0 && '\\' == ln->buf[pos - 1]) {
+ if (pos > 0 && 0 == comment &&
+ '\\' == ln->buf[pos - 1]) {
for (j = pos - 1; j >= 0; j--)
if ('\\' != ln->buf[j])
break;
-
if ( ! ((pos - j) % 2)) {
pos--;
lnn++;
ln->buf[pos] = 0;
lnn++;
-
- /*
- * If no manual parser has been assigned, then
- * try to assign one in pset(), which may do
- * nothing at all. After this, parse the manual
- * line accordingly.
- */
+
+ /* If unset, assign parser in pset(). */
if ( ! (man || mdoc) && ! pset(ln->buf,
pos, curp, &man, &mdoc))
return(0);
- pos = 0;
+ pos = comment = 0;
+
+ /* Pass down into parsers. */
if (man && ! man_parseln(man, lnn, ln->buf))
return(0);
}
}
- /* Note that a parser may not have been assigned, yet. */
+ /* NOTE a parser may not have been assigned, yet. */
if ( ! (man || mdoc)) {
warnx("%s: not a manual", curp->file);
if (man && ! man_endparse(man))
return(0);
- /*
- * If an output device hasn't been allocated, see if we should
- * do so now. Note that not all outtypes have functions, so
- * this switch statement may be superfluous, but it's
- * low-overhead enough not to matter very much.
- */
+ /* If unset, allocate output dev now (if applicable). */
if ( ! (curp->outman && curp->outmdoc)) {
switch (curp->outtype) {
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 comments, use -mdoc when finding `.Dt', or
+ * line: either skip dot-lines, use -mdoc when finding `.Dt', or
* default to -man, which is more lenient.
*/
- if (pos >= 3 && 0 == memcmp(buf, ".\\\"", 3))
- return(1);
+ 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):
}
-/*
- * Parse out the options for [-fopt...] setting compiler options. These
- * can be comma-delimited or called again.
- */
static int
foptions(int *fflags, char *arg)
{
- char *v;
+ char *v, *o;
char *toks[6];
toks[0] = "ign-scope";
toks[4] = "strict";
toks[5] = NULL;
- while (*arg)
+ while (*arg) {
+ o = arg;
switch (getsubopt(&arg, toks, &v)) {
case (0):
*fflags |= IGN_SCOPE;
NO_IGN_MACRO | NO_IGN_CHARS;
break;
default:
- warnx("bad argument: -f%s", arg);
+ warnx("bad argument: -f%s", o);
return(0);
}
+ }
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)
{
- char *v;
- char *toks[5];
+ char *v, *o;
+ char *toks[3];
toks[0] = "all";
- toks[1] = "compat";
- toks[2] = "syntax";
- toks[3] = "error";
- toks[4] = NULL;
+ toks[1] = "error";
+ toks[2] = NULL;
- while (*arg)
+ while (*arg) {
+ o = arg;
switch (getsubopt(&arg, toks, &v)) {
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:
- warnx("bad argument: -W%s", arg);
+ warnx("bad argument: -W%s", o);
return(0);
}
+ }
return(1);
}
warnx("%s:%d: error: %s (column %d)",
curp->file, line, msg, col);
- return(0);
-}
-
-
-static int
-mdocwarn(void *arg, int line, int col,
- enum mdoc_warn type, const char *msg)
-{
- struct curparse *curp;
- char *wtype;
-
- curp = (struct curparse *)arg;
- wtype = NULL;
-
- switch (type) {
- case (WARN_COMPAT):
- wtype = "compat";
- if (curp->wflags & WARN_WCOMPAT)
- break;
- return(1);
- case (WARN_SYNTAX):
- wtype = "syntax";
- if (curp->wflags & WARN_WSYNTAX)
- break;
- return(1);
- }
- assert(wtype);
- warnx("%s:%d: %s warning: %s (column %d)",
- curp->file, line, wtype, msg, col);
-
- if ( ! (curp->wflags & WARN_WERR))
- return(1);
-
- warnx("%s: considering warnings as errors",
- __progname);
return(0);
}
static int
-manwarn(void *arg, int line, int col, const char *msg)
+mwarn(void *arg, int line, int col, const char *msg)
{
struct curparse *curp;
curp = (struct curparse *)arg;
- if ( ! (curp->wflags & WARN_WSYNTAX))
+ if ( ! (curp->wflags & WARN_WALL))
return(1);
- warnx("%s:%d: syntax warning: %s (column %d)",
+ warnx("%s:%d: warning: %s (column %d)",
curp->file, line, msg, col);
if ( ! (curp->wflags & WARN_WERR))
return(1);
-
- warnx("%s: considering warnings as errors",
- __progname);
+
+ warnx("considering warnings as errors");
return(0);
}
+