-/* $Id: main.c,v 1.69 2010/05/15 16:18:23 joerg Exp $ */
+/* $Id: main.c,v 1.75 2010/05/16 00:04:46 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
#include <string.h>
#include <unistd.h>
+#include "mandoc.h"
#include "mdoc.h"
#include "man.h"
+#include "roff.h"
#include "main.h"
#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a))
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;
enum intt inttype; /* Input parsers... */
struct man *man;
struct mdoc *mdoc;
+ struct roff *roff;
enum outt outtype; /* Output devices... */
out_mdoc outmdoc;
out_man outman;
static int foptions(int *, char *);
static struct man *man_init(struct curparse *);
static struct mdoc *mdoc_init(struct curparse *);
-static int merr(void *, int, int, const char *);
+static struct roff *roff_init(struct curparse *);
+static int merr(void *, int, int, const char *); /* DEPRECATED */
static int moptions(enum intt *, char *);
-static int mwarn(void *, int, int, const char *);
+static int mwarn(void *, int, int, const char *); /* DEPRECATED */
+static int mmsg(enum mandocerr, void *,
+ int, int, const char *);
static int pset(const char *, int, struct curparse *,
struct man **, struct mdoc **);
static int toptions(struct curparse *, char *);
if (curp.outfree)
(*curp.outfree)(curp.outdata);
+ if (curp.mdoc)
+ mdoc_free(curp.mdoc);
+ if (curp.man)
+ man_free(curp.man);
+ if (curp.roff)
+ roff_free(curp.roff);
return((with_warning || with_error) ?
EXIT_FAILURE : EXIT_SUCCESS);
}
+static struct roff *
+roff_init(struct curparse *curp)
+{
+
+ return(roff_alloc(mmsg, curp));
+}
+
+
static struct mdoc *
mdoc_init(struct curparse *curp)
{
return(0);
}
*with_mmap = 1;
- fb->sz = st.st_size;
+ fb->sz = (size_t)st.st_size;
fb->buf = mmap(NULL, fb->sz, PROT_READ,
MAP_FILE, curp->fd, 0);
if (fb->buf != MAP_FAILED)
if (! resize_buf(fb, 65536))
break;
}
- ssz = read(curp->fd, fb->buf + off, fb->sz - off);
+ ssz = read(curp->fd, fb->buf + (int)off, fb->sz - off);
if (ssz == 0) {
fb->sz = off;
return(1);
perror(curp->file);
break;
}
- off += ssz;
+ off += (size_t)ssz;
}
free(fb->buf);
fdesc(struct curparse *curp)
{
struct buf ln, blk;
- int j, i, pos, lnn, comment, with_mmap;
+ int i, pos, lnn, lnn_start, with_mmap;
+ enum rofferr re;
struct man *man;
struct mdoc *mdoc;
+ struct roff *roff;
man = NULL;
mdoc = NULL;
+ roff = NULL;
memset(&ln, 0, sizeof(struct buf));
/*
- * 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.
+ * Two buffers: ln and buf. buf is the input file and may be
+ * memory mapped. ln is a line buffer and grows on-demand.
*/
- if (!read_whole_file(curp, &blk, &with_mmap))
+ if ( ! read_whole_file(curp, &blk, &with_mmap))
return;
- /* Fill buf with file blocksize. */
-
- for (i = lnn = pos = comment = 0; i < (int)blk.sz; ++i) {
- if (pos >= (int)ln.sz) {
- if (! resize_buf(&ln, 256))
- goto bailout;
- }
-
- 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 (NULL == curp->roff)
+ curp->roff = roff_init(curp);
+ if (NULL == (roff = curp->roff))
+ goto bailout;
- if ( ! ((pos - 2 - j) % 2))
+ for (i = 0, lnn = 1; i < (int)blk.sz;) {
+ pos = 0;
+ lnn_start = lnn;
+ while (i < (int)blk.sz) {
+ if ('\n' == blk.buf[i]) {
+ ++i;
+ ++lnn;
+ break;
+ }
+ /* Trailing backslash is like a plain character. */
+ if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
+ if (pos >= (int)ln.sz)
+ if (! resize_buf(&ln, 256))
+ goto bailout;
+ ln.buf[pos++] = blk.buf[i++];
continue;
-
- comment = 1;
- pos -= 2;
- for (; pos > 0; --pos) {
- if (ln.buf[pos - 1] != ' ')
- break;
- if (pos > 2 && ln.buf[pos - 2] == '\\')
- break;
}
- continue;
- }
-
- /* Handle escaped `\\n' newlines. */
-
- 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++;
+ /* Found an escape and at least one other character. */
+ if ('\n' == blk.buf[i + 1]) {
+ /* Escaped newlines are skipped over */
+ 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 and continue. */
+ if (pos + 1 >= (int)ln.sz)
+ if (! resize_buf(&ln, 256))
+ goto bailout;
+
+ ln.buf[pos++] = blk.buf[i++];
+ ln.buf[pos++] = blk.buf[i++];
}
- ln.buf[pos] = 0;
- lnn++;
+ if (pos >= (int)ln.sz)
+ if (! resize_buf(&ln, 256))
+ goto bailout;
+ ln.buf[pos] = '\0';
+
+ re = roff_parseln(roff, lnn_start, &ln.buf, &ln.sz);
+ if (ROFF_IGN == re)
+ continue;
+ else if (ROFF_ERR == re)
+ goto bailout;
/* If unset, assign parser in pset(). */
if ( ! (man || mdoc) && ! pset(ln.buf, pos, curp, &man, &mdoc))
goto bailout;
- pos = comment = 0;
-
/* Pass down into parsers. */
- if (man && ! man_parseln(man, lnn, ln.buf))
+ if (man && ! man_parseln(man, lnn_start, ln.buf))
goto bailout;
- if (mdoc && ! mdoc_parseln(mdoc, lnn, ln.buf))
+ if (mdoc && ! mdoc_parseln(mdoc, lnn_start, ln.buf))
goto bailout;
}
goto bailout;
if (man && ! man_endparse(man))
goto bailout;
+ if (roff && ! roff_endparse(roff))
+ goto bailout;
/* If unset, allocate output dev now (if applicable). */
(*curp->outmdoc)(curp->outdata, mdoc);
cleanup:
- if (curp->mdoc) {
- mdoc_free(curp->mdoc);
- curp->mdoc = NULL;
- }
- if (curp->man) {
- man_free(curp->man);
- curp->man = NULL;
- }
+ 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);
+
return;
bailout:
* default to -man, which is more lenient.
*/
- if (buf[0] == '.') {
+ if ('.' == buf[0] || '\'' == buf[0]) {
for (i = 1; buf[i]; i++)
if (' ' != buf[i] && '\t' != buf[i])
break;
return(1);
}
+static const char * const mandocerrs[MANDOCERR_MAX] = {
+ "ok",
+ "multi-line scope open on exit",
+ "request for scope closure when no matching scope is open",
+ "line arguments will be lost",
+ "memory exhausted"
+};
+
+/*
+ * XXX: this is experimental code that will eventually become the
+ * generic means of covering all warnings and errors!
+ */
+/* ARGSUSED */
+static int
+mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg)
+{
+#if 0
+ struct curparse *cp;
+
+ cp = (struct curparse *)arg;
+
+ fprintf(stderr, "%s:%d:%d: %s", cp->file,
+ ln, col + 1, mandocerrs[t]);
+
+ if (msg)
+ fprintf(stderr, ": %s", msg);
+
+ fputc('\n', stderr);
+#endif
+ return(1);
+}
git.ckatri.com / mandoc.git / blobdiff