version 1.115, 2010/12/02 20:41:46 |
version 1.147, 2011/03/07 01:35:51 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#define MAP_FILE 0 |
#define MAP_FILE 0 |
#endif |
#endif |
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#define REPARSE_LIMIT 1000 |
#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a)) |
#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a)) |
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/* FIXME: Intel's compiler? LLVM? pcc? */ |
/* FIXME: Intel's compiler? LLVM? pcc? */ |
Line 89 struct curparse { |
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Line 90 struct curparse { |
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struct mdoc *mdoc; /* mdoc parser */ |
struct mdoc *mdoc; /* mdoc parser */ |
struct roff *roff; /* roff parser (!NULL) */ |
struct roff *roff; /* roff parser (!NULL) */ |
struct regset regs; /* roff registers */ |
struct regset regs; /* roff registers */ |
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int reparse_count; /* finite interpolation stack */ |
enum outt outtype; /* which output to use */ |
enum outt outtype; /* which output to use */ |
out_mdoc outmdoc; /* mdoc output ptr */ |
out_mdoc outmdoc; /* mdoc output ptr */ |
out_man outman; /* man output ptr */ |
out_man outman; /* man output ptr */ |
Line 122 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 124 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"generic warning", |
"generic warning", |
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/* related to the prologue */ |
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"no title in document", |
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"document title should be all caps", |
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"unknown manual section", |
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"date missing, using today's date", |
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"cannot parse date, using it verbatim", |
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"prologue macros out of order", |
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"duplicate prologue macro", |
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"macro not allowed in prologue", |
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"macro not allowed in body", |
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/* related to document structure */ |
".so is fragile, better use ln(1)", |
".so is fragile, better use ln(1)", |
"text should be uppercase", |
"NAME section must come first", |
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"bad NAME section contents", |
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"manual name not yet set", |
"sections out of conventional order", |
"sections out of conventional order", |
"section name repeats", |
"duplicate section name", |
"out of order prologue", |
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"repeated prologue entry", |
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"list type must come first", |
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"tab in non-literal context", |
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"bad escape sequence", |
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"unterminated quoted string", |
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"argument requires the width argument", |
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"superfluous width argument", |
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"bad date argument", |
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"bad width argument", |
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"unknown manual section", |
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"section not in conventional manual section", |
"section not in conventional manual section", |
"end of line whitespace", |
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/* related to macros and nesting */ |
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"skipping obsolete macro", |
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"skipping paragraph macro", |
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"skipping no-space macro", |
"blocks badly nested", |
"blocks badly nested", |
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"child violates parent syntax", |
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"nested displays are not portable", |
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"already in literal mode", |
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"generic error", |
/* related to missing macro arguments */ |
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"skipping empty macro", |
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"argument count wrong", |
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"missing display type", |
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"list type must come first", |
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"tag lists require a width argument", |
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"missing font type", |
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"skipping end of block that is not open", |
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"NAME section must come first", |
/* related to bad macro arguments */ |
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"skipping argument", |
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"duplicate argument", |
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"duplicate display type", |
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"duplicate list type", |
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"unknown AT&T UNIX version", |
"bad Boolean value", |
"bad Boolean value", |
"child violates parent syntax", |
"unknown font", |
"bad AT&T symbol", |
"unknown standard specifier", |
"bad standard", |
"bad width argument", |
"list type repeated", |
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"display type repeated", |
/* related to plain text */ |
"argument repeated", |
"blank line in non-literal context", |
"ignoring argument", |
"tab in non-literal context", |
"manual name not yet set", |
"end of line whitespace", |
"obsolete macro ignored", |
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"empty macro ignored", |
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"macro not allowed in body", |
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"macro not allowed in prologue", |
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"bad character", |
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"bad NAME section contents", |
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"no blank lines", |
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"no text in this context", |
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"bad comment style", |
"bad comment style", |
"unknown macro will be lost", |
"unknown escape sequence", |
"NOT IMPLEMENTED: skipping request", |
"unterminated quoted string", |
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"generic error", |
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/* related to tables */ |
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"bad table syntax", |
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"bad table option", |
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"bad table layout", |
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"no table layout cells specified", |
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"no table data cells specified", |
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"ignore data in cell", |
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"data block still open", |
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"ignoring extra data cells", |
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"input stack limit exceeded, infinite loop?", |
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"skipping bad character", |
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"escaped character not allowed in a name", |
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"skipping text before the first section header", |
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"skipping unknown macro", |
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"NOT IMPLEMENTED, please use groff: skipping request", |
"line scope broken", |
"line scope broken", |
"argument count wrong", |
"argument count wrong", |
"request scope close w/none open", |
"skipping end of block that is not open", |
"scope already open", |
"missing end of block", |
"scope open on exit", |
"scope open on exit", |
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"uname(3) system call failed", |
"macro requires line argument(s)", |
"macro requires line argument(s)", |
"macro requires body argument(s)", |
"macro requires body argument(s)", |
"macro requires argument(s)", |
"macro requires argument(s)", |
"no title in document", |
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"missing list type", |
"missing list type", |
"missing display type", |
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"missing font type", |
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"line argument(s) will be lost", |
"line argument(s) will be lost", |
"body argument(s) will be lost", |
"body argument(s) will be lost", |
"paragraph macro ignored", |
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"generic fatal error", |
"generic fatal error", |
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"column syntax is inconsistent", |
"column syntax is inconsistent", |
"displays may not be nested", |
"NOT IMPLEMENTED: .Bd -file", |
"unsupported display type", |
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"blocks badly nested", |
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"no such block is open", |
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"line scope broken, syntax violated", |
"line scope broken, syntax violated", |
"argument count wrong, violates syntax", |
"argument count wrong, violates syntax", |
"child violates parent syntax", |
"child violates parent syntax", |
Line 194 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 223 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"NOT IMPLEMENTED: .so with absolute path or \"..\"", |
"NOT IMPLEMENTED: .so with absolute path or \"..\"", |
"no document body", |
"no document body", |
"no document prologue", |
"no document prologue", |
"utsname system call failed", |
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"static buffer exhausted", |
"static buffer exhausted", |
}; |
}; |
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resize_buf(struct buf *buf, size_t initial) |
resize_buf(struct buf *buf, size_t initial) |
{ |
{ |
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buf->sz = buf->sz ? 2 * buf->sz : initial; |
buf->sz = buf->sz > initial/2 ? 2 * buf->sz : initial; |
buf->buf = realloc(buf->buf, buf->sz); |
buf->buf = realloc(buf->buf, buf->sz); |
if (NULL == buf->buf) { |
if (NULL == buf->buf) { |
perror(NULL); |
perror(NULL); |
Line 509 fdesc(struct curparse *curp) |
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Line 537 fdesc(struct curparse *curp) |
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} |
} |
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assert(curp->roff); |
assert(curp->roff); |
if ( ! roff_endparse(curp->roff)) { |
roff_endparse(curp->roff); |
assert(MANDOCLEVEL_FATAL <= file_status); |
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goto cleanup; |
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} |
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/* |
/* |
* With -Wstop and warnings or errors of at least |
* With -Wstop and warnings or errors of at least |
Line 633 pdesc(struct curparse *curp) |
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Line 658 pdesc(struct curparse *curp) |
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static void |
static void |
parsebuf(struct curparse *curp, struct buf blk, int start) |
parsebuf(struct curparse *curp, struct buf blk, int start) |
{ |
{ |
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const struct tbl_span *span; |
struct buf ln; |
struct buf ln; |
enum rofferr rr; |
enum rofferr rr; |
int i, of, rc; |
int i, of, rc; |
Line 655 parsebuf(struct curparse *curp, struct buf blk, int st |
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Line 681 parsebuf(struct curparse *curp, struct buf blk, int st |
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if (0 == pos && '\0' == blk.buf[i]) |
if (0 == pos && '\0' == blk.buf[i]) |
break; |
break; |
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if (start) |
if (start) { |
curp->line = lnn; |
curp->line = lnn; |
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curp->reparse_count = 0; |
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} |
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while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) { |
while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) { |
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/* |
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* When finding an unescaped newline character, |
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* leave the character loop to process the line. |
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* Skip a preceding carriage return, if any. |
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*/ |
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if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz && |
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'\n' == blk.buf[i + 1]) |
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++i; |
if ('\n' == blk.buf[i]) { |
if ('\n' == blk.buf[i]) { |
++i; |
++i; |
++lnn; |
++lnn; |
Line 693 parsebuf(struct curparse *curp, struct buf blk, int st |
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Line 731 parsebuf(struct curparse *curp, struct buf blk, int st |
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continue; |
continue; |
} |
} |
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/* Found escape & at least one other char. */ |
/* |
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* Found escape and at least one other character. |
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* When it's a newline character, skip it. |
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* When there is a carriage return in between, |
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* skip that one as well. |
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*/ |
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if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz && |
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'\n' == blk.buf[i + 2]) |
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++i; |
if ('\n' == blk.buf[i + 1]) { |
if ('\n' == blk.buf[i + 1]) { |
i += 2; |
i += 2; |
/* Escaped newlines are skipped over */ |
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++lnn; |
++lnn; |
continue; |
continue; |
} |
} |
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switch (rr) { |
switch (rr) { |
case (ROFF_REPARSE): |
case (ROFF_REPARSE): |
parsebuf(curp, ln, 0); |
if (REPARSE_LIMIT >= ++curp->reparse_count) |
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parsebuf(curp, ln, 0); |
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else |
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mmsg(MANDOCERR_ROFFLOOP, curp, |
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curp->line, pos, NULL); |
pos = 0; |
pos = 0; |
continue; |
continue; |
case (ROFF_APPEND): |
case (ROFF_APPEND): |
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continue; |
continue; |
} else |
} else |
break; |
break; |
case (ROFF_CONT): |
default: |
break; |
break; |
} |
} |
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/* |
/* |
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* If we encounter errors in the recursive parsebuf() |
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* call, make sure we don't continue parsing. |
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*/ |
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if (MANDOCLEVEL_FATAL <= file_status) |
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break; |
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/* |
* If input parsers have not been allocated, do so now. |
* If input parsers have not been allocated, do so now. |
* We keep these instanced betwen parsers, but set them |
* We keep these instanced betwen parsers, but set them |
* locally per parse routine since we can use different |
* locally per parse routine since we can use different |
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* Lastly, push down into the parsers themselves. One |
* Lastly, push down into the parsers themselves. One |
* of these will have already been set in the pset() |
* of these will have already been set in the pset() |
* routine. |
* routine. |
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* If libroff returns ROFF_TBL, then add it to the |
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* currently open parse. Since we only get here if |
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* there does exist data (see tbl_data.c), we're |
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* guaranteed that something's been allocated. |
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* Do the same for ROFF_EQN. |
*/ |
*/ |
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if (curp->man || curp->mdoc) { |
rc = -1; |
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if (ROFF_TBL == rr) |
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while (NULL != (span = roff_span(curp->roff))) { |
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rc = curp->man ? |
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man_addspan(curp->man, span) : |
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mdoc_addspan(curp->mdoc, span); |
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if (0 == rc) |
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break; |
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} |
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else if (ROFF_EQN == rr) |
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rc = curp->mdoc ? |
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mdoc_addeqn(curp->mdoc, |
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roff_eqn(curp->roff)) : |
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man_addeqn(curp->man, |
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roff_eqn(curp->roff)); |
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else if (curp->man || curp->mdoc) |
rc = curp->man ? |
rc = curp->man ? |
man_parseln(curp->man, |
man_parseln(curp->man, |
curp->line, ln.buf, of) : |
curp->line, ln.buf, of) : |
mdoc_parseln(curp->mdoc, |
mdoc_parseln(curp->mdoc, |
curp->line, ln.buf, of); |
curp->line, ln.buf, of); |
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if ( ! rc) { |
if (0 == rc) { |
assert(MANDOCLEVEL_FATAL <= file_status); |
assert(MANDOCLEVEL_FATAL <= file_status); |
break; |
break; |
} |
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} |
} |
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/* Temporary buffers typically are not full. */ |
/* Temporary buffers typically are not full. */ |