version 1.96, 2009/07/27 19:43:02 |
version 1.159, 2010/07/18 17:00:26 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2010 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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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <stdarg.h> |
#include <stdarg.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include <time.h> |
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#include "mandoc.h" |
#include "libmdoc.h" |
#include "libmdoc.h" |
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#include "libmandoc.h" |
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const char *const __mdoc_merrnames[MERRMAX] = { |
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"trailing whitespace", /* ETAILWS */ |
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"unexpected quoted parameter", /* EQUOTPARM */ |
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"unterminated quoted parameter", /* EQUOTTERM */ |
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"system: malloc error", /* EMALLOC */ |
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"argument parameter suggested", /* EARGVAL */ |
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"macro not callable", /* ENOCALL */ |
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"macro disallowed in prologue", /* EBODYPROL */ |
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"macro disallowed in body", /* EPROLBODY */ |
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"text disallowed in prologue", /* ETEXTPROL */ |
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"blank line disallowed", /* ENOBLANK */ |
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"text parameter too long", /* ETOOLONG */ |
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"invalid escape sequence", /* EESCAPE */ |
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"invalid character", /* EPRINT */ |
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"document has no body", /* ENODAT */ |
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"document has no prologue", /* ENOPROLOGUE */ |
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"expected line arguments", /* ELINE */ |
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"invalid AT&T argument", /* EATT */ |
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"default name not yet set", /* ENAME */ |
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"missing list type", /* ELISTTYPE */ |
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"missing display type", /* EDISPTYPE */ |
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"too many display types", /* EMULTIDISP */ |
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"too many list types", /* EMULTILIST */ |
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"NAME section must be first", /* ESECNAME */ |
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"badly-formed NAME section", /* ENAMESECINC */ |
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"argument repeated", /* EARGREP */ |
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"expected boolean parameter", /* EBOOL */ |
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"inconsistent column syntax", /* ECOLMIS */ |
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"nested display invalid", /* ENESTDISP */ |
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"width argument missing", /* EMISSWIDTH */ |
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"invalid section for this manual section", /* EWRONGMSEC */ |
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"section out of conventional order", /* ESECOOO */ |
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"section repeated", /* ESECREP */ |
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"invalid standard argument", /* EBADSTAND */ |
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"multi-line arguments discouraged", /* ENOMULTILINE */ |
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"multi-line arguments suggested", /* EMULTILINE */ |
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"line arguments discouraged", /* ENOLINE */ |
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"prologue macro out of conventional order", /* EPROLOOO */ |
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"prologue macro repeated", /* EPROLREP */ |
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"invalid manual section", /* EBADMSEC */ |
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"invalid section", /* EBADSEC */ |
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"invalid font mode", /* EFONT */ |
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"invalid date syntax", /* EBADDATE */ |
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"invalid number format", /* ENUMFMT */ |
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"superfluous width argument", /* ENOWIDTH */ |
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"system: utsname error", /* EUTSNAME */ |
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"obsolete macro", /* EOBS */ |
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"macro-like parameter", /* EMACPARM */ |
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"end-of-line scope violation", /* EIMPBRK */ |
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"empty macro ignored", /* EIGNE */ |
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"unclosed explicit scope", /* EOPEN */ |
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"unterminated quoted phrase", /* EQUOTPHR */ |
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"closure macro without prior context", /* ENOCTX */ |
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"invalid whitespace after control character", /* ESPACE */ |
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"no description found for library" /* ELIB */ |
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}; |
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const char *const __mdoc_macronames[MDOC_MAX] = { |
const char *const __mdoc_macronames[MDOC_MAX] = { |
"Ap", "Dd", "Dt", "Os", |
"Ap", "Dd", "Dt", "Os", |
"Sh", "Ss", "Pp", "D1", |
"Sh", "Ss", "Pp", "D1", |
Line 92 const char *const __mdoc_macronames[MDOC_MAX] = { |
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Line 45 const char *const __mdoc_macronames[MDOC_MAX] = { |
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"Nm", "Op", "Ot", "Pa", |
"Nm", "Op", "Ot", "Pa", |
"Rv", "St", "Va", "Vt", |
"Rv", "St", "Va", "Vt", |
/* LINTED */ |
/* LINTED */ |
"Xr", "\%A", "\%B", "\%D", |
"Xr", "%A", "%B", "%D", |
/* LINTED */ |
/* LINTED */ |
"\%I", "\%J", "\%N", "\%O", |
"%I", "%J", "%N", "%O", |
/* LINTED */ |
/* LINTED */ |
"\%P", "\%R", "\%T", "\%V", |
"%P", "%R", "%T", "%V", |
"Ac", "Ao", "Aq", "At", |
"Ac", "Ao", "Aq", "At", |
"Bc", "Bf", "Bo", "Bq", |
"Bc", "Bf", "Bo", "Bq", |
"Bsx", "Bx", "Db", "Dc", |
"Bsx", "Bx", "Db", "Dc", |
Line 113 const char *const __mdoc_macronames[MDOC_MAX] = { |
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Line 66 const char *const __mdoc_macronames[MDOC_MAX] = { |
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"Fr", "Ud", "Lb", "Lp", |
"Fr", "Ud", "Lb", "Lp", |
"Lk", "Mt", "Brq", "Bro", |
"Lk", "Mt", "Brq", "Bro", |
/* LINTED */ |
/* LINTED */ |
"Brc", "\%C", "Es", "En", |
"Brc", "%C", "Es", "En", |
/* LINTED */ |
/* LINTED */ |
"Dx", "\%Q", "br", "sp" |
"Dx", "%Q", "br", "sp", |
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/* LINTED */ |
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"%U", "Ta" |
}; |
}; |
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const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
Line 127 const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
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Line 82 const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
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"ohang", "inset", "column", |
"ohang", "inset", "column", |
"width", "compact", "std", |
"width", "compact", "std", |
"filled", "words", "emphasis", |
"filled", "words", "emphasis", |
"symbolic", "nested" |
"symbolic", "nested", "centered" |
}; |
}; |
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const char * const *mdoc_macronames = __mdoc_macronames; |
const char * const *mdoc_macronames = __mdoc_macronames; |
const char * const *mdoc_argnames = __mdoc_argnames; |
const char * const *mdoc_argnames = __mdoc_argnames; |
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static void mdoc_node_free(struct mdoc_node *); |
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static void mdoc_node_unlink(struct mdoc *, |
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struct mdoc_node *); |
static void mdoc_free1(struct mdoc *); |
static void mdoc_free1(struct mdoc *); |
static int mdoc_alloc1(struct mdoc *); |
static void mdoc_alloc1(struct mdoc *); |
static struct mdoc_node *node_alloc(struct mdoc *, int, int, |
static struct mdoc_node *node_alloc(struct mdoc *, int, int, |
int, enum mdoc_type); |
enum mdoct, enum mdoc_type); |
static int node_append(struct mdoc *, |
static int node_append(struct mdoc *, |
struct mdoc_node *); |
struct mdoc_node *); |
static int parsetext(struct mdoc *, int, char *); |
static int mdoc_ptext(struct mdoc *, int, char *, int); |
static int parsemacro(struct mdoc *, int, char *); |
static int mdoc_pmacro(struct mdoc *, int, char *, int); |
static int macrowarn(struct mdoc *, int, const char *); |
static int macrowarn(struct mdoc *, int, |
static int pstring(struct mdoc *, int, int, |
const char *, int); |
const char *, size_t); |
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#ifdef __linux__ |
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extern size_t strlcpy(char *, const char *, size_t); |
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#endif |
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const struct mdoc_node * |
const struct mdoc_node * |
mdoc_node(const struct mdoc *m) |
mdoc_node(const struct mdoc *m) |
{ |
{ |
Line 174 mdoc_free1(struct mdoc *mdoc) |
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Line 127 mdoc_free1(struct mdoc *mdoc) |
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{ |
{ |
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if (mdoc->first) |
if (mdoc->first) |
mdoc_node_freelist(mdoc->first); |
mdoc_node_delete(mdoc, mdoc->first); |
if (mdoc->meta.title) |
if (mdoc->meta.title) |
free(mdoc->meta.title); |
free(mdoc->meta.title); |
if (mdoc->meta.os) |
if (mdoc->meta.os) |
Line 185 mdoc_free1(struct mdoc *mdoc) |
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Line 138 mdoc_free1(struct mdoc *mdoc) |
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free(mdoc->meta.arch); |
free(mdoc->meta.arch); |
if (mdoc->meta.vol) |
if (mdoc->meta.vol) |
free(mdoc->meta.vol); |
free(mdoc->meta.vol); |
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if (mdoc->meta.msec) |
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free(mdoc->meta.msec); |
} |
} |
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/* |
/* |
* Allocate all volatile resources (parse tree, meta-data, fields). |
* Allocate all volatile resources (parse tree, meta-data, fields). |
*/ |
*/ |
static int |
static void |
mdoc_alloc1(struct mdoc *mdoc) |
mdoc_alloc1(struct mdoc *mdoc) |
{ |
{ |
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bzero(&mdoc->meta, sizeof(struct mdoc_meta)); |
memset(&mdoc->meta, 0, sizeof(struct mdoc_meta)); |
mdoc->flags = 0; |
mdoc->flags = 0; |
mdoc->lastnamed = mdoc->lastsec = SEC_NONE; |
mdoc->lastnamed = mdoc->lastsec = SEC_NONE; |
mdoc->last = calloc(1, sizeof(struct mdoc_node)); |
mdoc->last = mandoc_calloc(1, sizeof(struct mdoc_node)); |
if (NULL == mdoc->last) |
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return(0); |
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mdoc->first = mdoc->last; |
mdoc->first = mdoc->last; |
mdoc->last->type = MDOC_ROOT; |
mdoc->last->type = MDOC_ROOT; |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
return(1); |
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} |
} |
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Line 215 mdoc_alloc1(struct mdoc *mdoc) |
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Line 166 mdoc_alloc1(struct mdoc *mdoc) |
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* and the parser is ready for re-invocation on a new tree; however, |
* and the parser is ready for re-invocation on a new tree; however, |
* cross-parse non-volatile data is kept intact. |
* cross-parse non-volatile data is kept intact. |
*/ |
*/ |
int |
void |
mdoc_reset(struct mdoc *mdoc) |
mdoc_reset(struct mdoc *mdoc) |
{ |
{ |
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mdoc_free1(mdoc); |
mdoc_free1(mdoc); |
return(mdoc_alloc1(mdoc)); |
mdoc_alloc1(mdoc); |
} |
} |
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Line 233 mdoc_free(struct mdoc *mdoc) |
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Line 184 mdoc_free(struct mdoc *mdoc) |
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{ |
{ |
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mdoc_free1(mdoc); |
mdoc_free1(mdoc); |
if (mdoc->htab) |
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mdoc_hash_free(mdoc->htab); |
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free(mdoc); |
free(mdoc); |
} |
} |
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Line 243 mdoc_free(struct mdoc *mdoc) |
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Line 192 mdoc_free(struct mdoc *mdoc) |
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* Allocate volatile and non-volatile parse resources. |
* Allocate volatile and non-volatile parse resources. |
*/ |
*/ |
struct mdoc * |
struct mdoc * |
mdoc_alloc(void *data, int pflags, const struct mdoc_cb *cb) |
mdoc_alloc(struct regset *regs, void *data, |
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int pflags, mandocmsg msg) |
{ |
{ |
struct mdoc *p; |
struct mdoc *p; |
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if (NULL == (p = calloc(1, sizeof(struct mdoc)))) |
p = mandoc_calloc(1, sizeof(struct mdoc)); |
return(NULL); |
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if (cb) |
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(void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb)); |
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p->msg = msg; |
p->data = data; |
p->data = data; |
p->pflags = pflags; |
p->pflags = pflags; |
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p->regs = regs; |
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if (NULL == (p->htab = mdoc_hash_alloc())) { |
mdoc_hash_init(); |
free(p); |
mdoc_alloc1(p); |
return(NULL); |
return(p); |
} else if (mdoc_alloc1(p)) |
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return(p); |
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free(p); |
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return(NULL); |
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} |
} |
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Line 285 mdoc_endparse(struct mdoc *m) |
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Line 229 mdoc_endparse(struct mdoc *m) |
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/* |
/* |
* Main parse routine. Parses a single line -- really just hands off to |
* Main parse routine. Parses a single line -- really just hands off to |
* the macro (parsemacro()) or text parser (parsetext()). |
* the macro (mdoc_pmacro()) or text parser (mdoc_ptext()). |
*/ |
*/ |
int |
int |
mdoc_parseln(struct mdoc *m, int ln, char *buf) |
mdoc_parseln(struct mdoc *m, int ln, char *buf, int offs) |
{ |
{ |
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if (MDOC_HALT & m->flags) |
if (MDOC_HALT & m->flags) |
return(0); |
return(0); |
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return('.' == *buf ? parsemacro(m, ln, buf) : |
m->flags |= MDOC_NEWLINE; |
parsetext(m, ln, buf)); |
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} |
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/* |
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* Let the roff nS register switch SYNOPSIS mode early, |
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* such that the parser knows at all times |
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* whether this mode is on or off. |
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* Note that this mode is also switched by the Sh macro. |
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*/ |
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if (m->regs->regs[(int)REG_nS].set) { |
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if (m->regs->regs[(int)REG_nS].v.u) |
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m->flags |= MDOC_SYNOPSIS; |
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else |
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m->flags &= ~MDOC_SYNOPSIS; |
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} |
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int |
return(('.' == buf[offs] || '\'' == buf[offs]) ? |
mdoc_verr(struct mdoc *mdoc, int ln, int pos, |
mdoc_pmacro(m, ln, buf, offs) : |
const char *fmt, ...) |
mdoc_ptext(m, ln, buf, offs)); |
{ |
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char buf[256]; |
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va_list ap; |
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if (NULL == mdoc->cb.mdoc_err) |
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return(0); |
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va_start(ap, fmt); |
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(void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap); |
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va_end(ap); |
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return((*mdoc->cb.mdoc_err)(mdoc->data, ln, pos, buf)); |
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} |
} |
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int |
int |
mdoc_vwarn(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...) |
mdoc_vmsg(struct mdoc *mdoc, enum mandocerr t, |
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int ln, int pos, const char *fmt, ...) |
{ |
{ |
char buf[256]; |
char buf[256]; |
va_list ap; |
va_list ap; |
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if (NULL == mdoc->cb.mdoc_warn) |
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return(0); |
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va_start(ap, fmt); |
va_start(ap, fmt); |
(void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap); |
vsnprintf(buf, sizeof(buf) - 1, fmt, ap); |
va_end(ap); |
va_end(ap); |
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return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, buf)); |
return((*mdoc->msg)(t, mdoc->data, ln, pos, buf)); |
} |
} |
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int |
int |
mdoc_err(struct mdoc *m, int line, int pos, int iserr, enum merr type) |
mdoc_macro(MACRO_PROT_ARGS) |
{ |
{ |
const char *p; |
assert(tok < MDOC_MAX); |
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p = __mdoc_merrnames[(int)type]; |
/* If we're in the body, deny prologue calls. */ |
assert(p); |
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if (iserr) |
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return(mdoc_verr(m, line, pos, p)); |
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return(mdoc_vwarn(m, line, pos, p)); |
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} |
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int |
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mdoc_macro(struct mdoc *m, int tok, |
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int ln, int pp, int *pos, char *buf) |
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{ |
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if (MDOC_PROLOGUE & mdoc_macros[tok].flags && |
if (MDOC_PROLOGUE & mdoc_macros[tok].flags && |
MDOC_PBODY & m->flags) |
MDOC_PBODY & m->flags) |
return(mdoc_perr(m, ln, pp, EPROLBODY)); |
return(mdoc_pmsg(m, line, ppos, MANDOCERR_BADBODY)); |
if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) && |
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! (MDOC_PBODY & m->flags)) |
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return(mdoc_perr(m, ln, pp, EBODYPROL)); |
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if (1 != pp && ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) |
/* If we're in the prologue, deny "body" macros. */ |
return(mdoc_perr(m, ln, pp, ENOCALL)); |
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return((*mdoc_macros[tok].fp)(m, tok, ln, pp, pos, buf)); |
if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) && |
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! (MDOC_PBODY & m->flags)) { |
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if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_BADPROLOG)) |
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return(0); |
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if (NULL == m->meta.title) |
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m->meta.title = mandoc_strdup("UNKNOWN"); |
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if (NULL == m->meta.vol) |
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m->meta.vol = mandoc_strdup("LOCAL"); |
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if (NULL == m->meta.os) |
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m->meta.os = mandoc_strdup("LOCAL"); |
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if (0 == m->meta.date) |
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m->meta.date = time(NULL); |
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m->flags |= MDOC_PBODY; |
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} |
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return((*mdoc_macros[tok].fp)(m, tok, line, ppos, pos, buf)); |
} |
} |
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Line 408 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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Line 346 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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p->parent->tail = p; |
p->parent->tail = p; |
break; |
break; |
case (MDOC_BODY): |
case (MDOC_BODY): |
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if (p->end) |
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break; |
assert(MDOC_BLOCK == p->parent->type); |
assert(MDOC_BLOCK == p->parent->type); |
p->parent->body = p; |
p->parent->body = p; |
break; |
break; |
Line 433 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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Line 373 node_append(struct mdoc *mdoc, struct mdoc_node *p) |
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static struct mdoc_node * |
static struct mdoc_node * |
node_alloc(struct mdoc *m, int line, |
node_alloc(struct mdoc *m, int line, int pos, |
int pos, int tok, enum mdoc_type type) |
enum mdoct tok, enum mdoc_type type) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
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if (NULL == (p = calloc(1, sizeof(struct mdoc_node)))) { |
p = mandoc_calloc(1, sizeof(struct mdoc_node)); |
(void)mdoc_nerr(m, m->last, EMALLOC); |
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return(NULL); |
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} |
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p->sec = m->lastsec; |
p->sec = m->lastsec; |
p->line = line; |
p->line = line; |
p->pos = pos; |
p->pos = pos; |
p->tok = tok; |
p->tok = tok; |
if (MDOC_TEXT != (p->type = type)) |
p->type = type; |
assert(p->tok >= 0); |
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/* Flag analysis. */ |
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if (MDOC_SYNOPSIS & m->flags) |
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p->flags |= MDOC_SYNPRETTY; |
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else |
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p->flags &= ~MDOC_SYNPRETTY; |
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if (MDOC_NEWLINE & m->flags) |
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p->flags |= MDOC_LINE; |
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m->flags &= ~MDOC_NEWLINE; |
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return(p); |
return(p); |
} |
} |
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int |
int |
mdoc_tail_alloc(struct mdoc *m, int line, int pos, int tok) |
mdoc_tail_alloc(struct mdoc *m, int line, int pos, enum mdoct tok) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
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p = node_alloc(m, line, pos, tok, MDOC_TAIL); |
p = node_alloc(m, line, pos, tok, MDOC_TAIL); |
if (NULL == p) |
if ( ! node_append(m, p)) |
return(0); |
return(0); |
return(node_append(m, p)); |
m->next = MDOC_NEXT_CHILD; |
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return(1); |
} |
} |
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int |
int |
mdoc_head_alloc(struct mdoc *m, int line, int pos, int tok) |
mdoc_head_alloc(struct mdoc *m, int line, int pos, enum mdoct tok) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
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Line 475 mdoc_head_alloc(struct mdoc *m, int line, int pos, int |
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Line 421 mdoc_head_alloc(struct mdoc *m, int line, int pos, int |
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assert(m->last); |
assert(m->last); |
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p = node_alloc(m, line, pos, tok, MDOC_HEAD); |
p = node_alloc(m, line, pos, tok, MDOC_HEAD); |
if (NULL == p) |
if ( ! node_append(m, p)) |
return(0); |
return(0); |
return(node_append(m, p)); |
m->next = MDOC_NEXT_CHILD; |
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return(1); |
} |
} |
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int |
int |
mdoc_body_alloc(struct mdoc *m, int line, int pos, int tok) |
mdoc_body_alloc(struct mdoc *m, int line, int pos, enum mdoct tok) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
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|
p = node_alloc(m, line, pos, tok, MDOC_BODY); |
p = node_alloc(m, line, pos, tok, MDOC_BODY); |
if (NULL == p) |
if ( ! node_append(m, p)) |
return(0); |
return(0); |
return(node_append(m, p)); |
m->next = MDOC_NEXT_CHILD; |
|
return(1); |
} |
} |
|
|
|
|
int |
int |
|
mdoc_endbody_alloc(struct mdoc *m, int line, int pos, enum mdoct tok, |
|
struct mdoc_node *body, enum mdoc_endbody end) |
|
{ |
|
struct mdoc_node *p; |
|
|
|
p = node_alloc(m, line, pos, tok, MDOC_BODY); |
|
p->pending = body; |
|
p->end = end; |
|
if ( ! node_append(m, p)) |
|
return(0); |
|
m->next = MDOC_NEXT_SIBLING; |
|
return(1); |
|
} |
|
|
|
|
|
int |
mdoc_block_alloc(struct mdoc *m, int line, int pos, |
mdoc_block_alloc(struct mdoc *m, int line, int pos, |
int tok, struct mdoc_arg *args) |
enum mdoct tok, struct mdoc_arg *args) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
|
|
p = node_alloc(m, line, pos, tok, MDOC_BLOCK); |
p = node_alloc(m, line, pos, tok, MDOC_BLOCK); |
if (NULL == p) |
|
return(0); |
|
p->args = args; |
p->args = args; |
if (p->args) |
if (p->args) |
(args->refcnt)++; |
(args->refcnt)++; |
return(node_append(m, p)); |
if ( ! node_append(m, p)) |
|
return(0); |
|
m->next = MDOC_NEXT_CHILD; |
|
return(1); |
} |
} |
|
|
|
|
int |
int |
mdoc_elem_alloc(struct mdoc *m, int line, int pos, |
mdoc_elem_alloc(struct mdoc *m, int line, int pos, |
int tok, struct mdoc_arg *args) |
enum mdoct tok, struct mdoc_arg *args) |
{ |
{ |
struct mdoc_node *p; |
struct mdoc_node *p; |
|
|
p = node_alloc(m, line, pos, tok, MDOC_ELEM); |
p = node_alloc(m, line, pos, tok, MDOC_ELEM); |
if (NULL == p) |
|
return(0); |
|
p->args = args; |
p->args = args; |
if (p->args) |
if (p->args) |
(args->refcnt)++; |
(args->refcnt)++; |
return(node_append(m, p)); |
if ( ! node_append(m, p)) |
|
return(0); |
|
m->next = MDOC_NEXT_CHILD; |
|
return(1); |
} |
} |
|
|
|
|
static int |
int |
pstring(struct mdoc *m, int line, int pos, const char *p, size_t len) |
mdoc_word_alloc(struct mdoc *m, int line, int pos, const char *p) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
size_t sv; |
size_t sv, len; |
|
|
n = node_alloc(m, line, pos, -1, MDOC_TEXT); |
len = strlen(p); |
if (NULL == n) |
|
return(mdoc_nerr(m, m->last, EMALLOC)); |
|
|
|
n->string = malloc(len + 1); |
n = node_alloc(m, line, pos, MDOC_MAX, MDOC_TEXT); |
if (NULL == n->string) { |
n->string = mandoc_malloc(len + 1); |
free(n); |
|
return(mdoc_nerr(m, m->last, EMALLOC)); |
|
} |
|
|
|
sv = strlcpy(n->string, p, len + 1); |
sv = strlcpy(n->string, p, len + 1); |
|
|
/* Prohibit truncation. */ |
/* Prohibit truncation. */ |
assert(sv < len + 1); |
assert(sv < len + 1); |
|
|
return(node_append(m, n)); |
if ( ! node_append(m, n)) |
} |
return(0); |
|
|
|
m->next = MDOC_NEXT_SIBLING; |
int |
return(1); |
mdoc_word_alloc(struct mdoc *m, int line, int pos, const char *p) |
|
{ |
|
|
|
return(pstring(m, line, pos, p, strlen(p))); |
|
} |
} |
|
|
|
|
void |
static void |
mdoc_node_free(struct mdoc_node *p) |
mdoc_node_free(struct mdoc_node *p) |
{ |
{ |
|
|
if (p->parent) |
/* |
p->parent->nchild--; |
* XXX: if these end up being problematic in terms of memory |
|
* management and dereferencing freed blocks, then make them |
|
* into reference-counted double-pointers. |
|
*/ |
|
|
|
if (MDOC_Bd == p->tok && MDOC_BLOCK == p->type) |
|
if (p->data.Bd) |
|
free(p->data.Bd); |
|
if (MDOC_Bl == p->tok && MDOC_BLOCK == p->type) |
|
if (p->data.Bl) |
|
free(p->data.Bl); |
|
if (MDOC_Bf == p->tok && MDOC_HEAD == p->type) |
|
if (p->data.Bf) |
|
free(p->data.Bf); |
|
|
if (p->string) |
if (p->string) |
free(p->string); |
free(p->string); |
if (p->args) |
if (p->args) |
Line 572 mdoc_node_free(struct mdoc_node *p) |
|
Line 542 mdoc_node_free(struct mdoc_node *p) |
|
} |
} |
|
|
|
|
void |
static void |
mdoc_node_freelist(struct mdoc_node *p) |
mdoc_node_unlink(struct mdoc *m, struct mdoc_node *n) |
{ |
{ |
|
|
if (p->child) |
/* Adjust siblings. */ |
mdoc_node_freelist(p->child); |
|
if (p->next) |
|
mdoc_node_freelist(p->next); |
|
|
|
|
if (n->prev) |
|
n->prev->next = n->next; |
|
if (n->next) |
|
n->next->prev = n->prev; |
|
|
|
/* Adjust parent. */ |
|
|
|
if (n->parent) { |
|
n->parent->nchild--; |
|
if (n->parent->child == n) |
|
n->parent->child = n->prev ? n->prev : n->next; |
|
} |
|
|
|
/* Adjust parse point, if applicable. */ |
|
|
|
if (m && m->last == n) { |
|
if (n->prev) { |
|
m->last = n->prev; |
|
m->next = MDOC_NEXT_SIBLING; |
|
} else { |
|
m->last = n->parent; |
|
m->next = MDOC_NEXT_CHILD; |
|
} |
|
} |
|
|
|
if (m && m->first == n) |
|
m->first = NULL; |
|
} |
|
|
|
|
|
void |
|
mdoc_node_delete(struct mdoc *m, struct mdoc_node *p) |
|
{ |
|
|
|
while (p->child) { |
|
assert(p->nchild); |
|
mdoc_node_delete(m, p->child); |
|
} |
assert(0 == p->nchild); |
assert(0 == p->nchild); |
|
|
|
mdoc_node_unlink(m, p); |
mdoc_node_free(p); |
mdoc_node_free(p); |
} |
} |
|
|
Line 591 mdoc_node_freelist(struct mdoc_node *p) |
|
Line 598 mdoc_node_freelist(struct mdoc_node *p) |
|
* control character. |
* control character. |
*/ |
*/ |
static int |
static int |
parsetext(struct mdoc *m, int line, char *buf) |
mdoc_ptext(struct mdoc *m, int line, char *buf, int offs) |
{ |
{ |
int i, j; |
char *c, *ws, *end; |
|
struct mdoc_node *n; |
|
|
|
/* Ignore bogus comments. */ |
|
|
|
if ('\\' == buf[offs] && |
|
'.' == buf[offs + 1] && |
|
'"' == buf[offs + 2]) |
|
return(mdoc_pmsg(m, line, offs, MANDOCERR_BADCOMMENT)); |
|
|
|
/* No text before an initial macro. */ |
|
|
if (SEC_NONE == m->lastnamed) |
if (SEC_NONE == m->lastnamed) |
return(mdoc_perr(m, line, 0, ETEXTPROL)); |
return(mdoc_pmsg(m, line, offs, MANDOCERR_NOTEXT)); |
|
|
|
assert(m->last); |
|
n = m->last; |
|
|
/* |
/* |
* If in literal mode, then pass the buffer directly to the |
* Divert directly to list processing if we're encountering a |
* back-end, as it should be preserved as a single term. |
* columnar MDOC_BLOCK with or without a prior MDOC_BLOCK entry |
|
* (a MDOC_BODY means it's already open, in which case we should |
|
* process within its context in the normal way). |
*/ |
*/ |
|
|
if (MDOC_LITERAL & m->flags) { |
if (MDOC_Bl == n->tok && MDOC_BODY == n->type && |
if ( ! mdoc_word_alloc(m, line, 0, buf)) |
LIST_column == n->data.Bl->type) { |
return(0); |
/* `Bl' is open without any children. */ |
m->next = MDOC_NEXT_SIBLING; |
m->flags |= MDOC_FREECOL; |
return(1); |
return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf)); |
} |
} |
|
|
/* Disallow blank/white-space lines in non-literal mode. */ |
if (MDOC_It == n->tok && MDOC_BLOCK == n->type && |
|
NULL != n->parent && |
|
MDOC_Bl == n->parent->tok && |
|
LIST_column == n->parent->data.Bl->type) { |
|
/* `Bl' has block-level `It' children. */ |
|
m->flags |= MDOC_FREECOL; |
|
return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf)); |
|
} |
|
|
for (i = 0; ' ' == buf[i]; i++) |
|
/* Skip leading whitespace. */ ; |
|
if (0 == buf[i]) |
|
return(mdoc_perr(m, line, 0, ENOBLANK)); |
|
|
|
/* |
/* |
* Break apart a free-form line into tokens. Spaces are |
* Search for the beginning of unescaped trailing whitespace (ws) |
* stripped out of the input. |
* and for the first character not to be output (end). |
*/ |
*/ |
|
|
for (j = i; buf[i]; i++) { |
/* FIXME: replace with strcspn(). */ |
if (' ' != buf[i]) |
ws = NULL; |
|
for (c = end = buf + offs; *c; c++) { |
|
switch (*c) { |
|
case '-': |
|
if (mandoc_hyph(buf + offs, c)) |
|
*c = ASCII_HYPH; |
|
ws = NULL; |
|
break; |
|
case ' ': |
|
if (NULL == ws) |
|
ws = c; |
continue; |
continue; |
|
case '\t': |
|
/* |
|
* Always warn about trailing tabs, |
|
* even outside literal context, |
|
* where they should be put on the next line. |
|
*/ |
|
if (NULL == ws) |
|
ws = c; |
|
/* |
|
* Strip trailing tabs in literal context only; |
|
* outside, they affect the next line. |
|
*/ |
|
if (MDOC_LITERAL & m->flags) |
|
continue; |
|
break; |
|
case '\\': |
|
/* Skip the escaped character, too, if any. */ |
|
if (c[1]) |
|
c++; |
|
/* FALLTHROUGH */ |
|
default: |
|
ws = NULL; |
|
break; |
|
} |
|
end = c + 1; |
|
} |
|
*end = '\0'; |
|
|
/* Escaped whitespace. */ |
if (ws) |
if (i && ' ' == buf[i] && '\\' == buf[i - 1]) |
if ( ! mdoc_pmsg(m, line, (int)(ws-buf), MANDOCERR_EOLNSPACE)) |
continue; |
return(0); |
|
|
buf[i++] = 0; |
if ('\0' == buf[offs] && ! (MDOC_LITERAL & m->flags)) { |
if ( ! pstring(m, line, j, &buf[j], (size_t)(i - j))) |
if ( ! mdoc_pmsg(m, line, (int)(c-buf), MANDOCERR_NOBLANKLN)) |
return(0); |
return(0); |
m->next = MDOC_NEXT_SIBLING; |
|
|
|
for ( ; ' ' == buf[i]; i++) |
/* |
/* Skip trailing whitespace. */ ; |
* Insert a `Pp' in the case of a blank line. Technically, |
|
* blank lines aren't allowed, but enough manuals assume this |
|
* behaviour that we want to work around it. |
|
*/ |
|
if ( ! mdoc_elem_alloc(m, line, offs, MDOC_Pp, NULL)) |
|
return(0); |
|
|
j = i; |
m->next = MDOC_NEXT_SIBLING; |
if (0 == buf[i]) |
return(1); |
break; |
|
} |
} |
|
|
if (j != i && ! pstring(m, line, j, &buf[j], (size_t)(i - j))) |
if ( ! mdoc_word_alloc(m, line, offs, buf+offs)) |
return(0); |
return(0); |
|
|
m->next = MDOC_NEXT_SIBLING; |
if (MDOC_LITERAL & m->flags) |
return(1); |
return(1); |
} |
|
|
|
|
/* |
|
* End-of-sentence check. If the last character is an unescaped |
|
* EOS character, then flag the node as being the end of a |
|
* sentence. The front-end will know how to interpret this. |
|
*/ |
|
|
|
assert(buf < end); |
|
|
|
if (mandoc_eos(buf+offs, (size_t)(end-buf-offs), 0)) |
|
m->last->flags |= MDOC_EOS; |
|
|
|
return(1); |
|
} |
|
|
|
|
static int |
static int |
macrowarn(struct mdoc *m, int ln, const char *buf) |
macrowarn(struct mdoc *m, int ln, const char *buf, int offs) |
{ |
{ |
if ( ! (MDOC_IGN_MACRO & m->pflags)) |
int rc; |
return(mdoc_verr(m, ln, 0, |
|
"unknown macro: %s%s", |
rc = mdoc_vmsg(m, MANDOCERR_MACRO, ln, offs, |
buf, strlen(buf) > 3 ? "..." : "")); |
"unknown macro: %s%s", |
return(mdoc_vwarn(m, ln, 0, "unknown macro: %s%s", |
buf, strlen(buf) > 3 ? "..." : ""); |
buf, strlen(buf) > 3 ? "..." : "")); |
|
|
/* FIXME: logic should be in driver. */ |
|
/* FIXME: broken, will error out and not omit a message. */ |
|
return(MDOC_IGN_MACRO & m->pflags ? rc : 0); |
} |
} |
|
|
|
|
Line 669 macrowarn(struct mdoc *m, int ln, const char *buf) |
|
Line 747 macrowarn(struct mdoc *m, int ln, const char *buf) |
|
* Parse a macro line, that is, a line beginning with the control |
* Parse a macro line, that is, a line beginning with the control |
* character. |
* character. |
*/ |
*/ |
int |
static int |
parsemacro(struct mdoc *m, int ln, char *buf) |
mdoc_pmacro(struct mdoc *m, int ln, char *buf, int offs) |
{ |
{ |
int i, c; |
enum mdoct tok; |
|
int i, j, sv; |
char mac[5]; |
char mac[5]; |
|
struct mdoc_node *n; |
|
|
/* Empty lines are ignored. */ |
/* Empty lines are ignored. */ |
|
|
if (0 == buf[1]) |
offs++; |
|
|
|
if ('\0' == buf[offs]) |
return(1); |
return(1); |
|
|
if (' ' == buf[1]) { |
i = offs; |
i = 2; |
|
|
/* Accept whitespace after the initial control char. */ |
|
|
|
if (' ' == buf[i]) { |
|
i++; |
while (buf[i] && ' ' == buf[i]) |
while (buf[i] && ' ' == buf[i]) |
i++; |
i++; |
if (0 == buf[i]) |
if ('\0' == buf[i]) |
return(1); |
return(1); |
return(mdoc_perr(m, ln, 1, ESPACE)); |
|
} |
} |
|
|
|
sv = i; |
|
|
/* Copy the first word into a nil-terminated buffer. */ |
/* Copy the first word into a nil-terminated buffer. */ |
|
|
for (i = 1; i < 5; i++) { |
for (j = 0; j < 4; j++, i++) { |
if (0 == (mac[i - 1] = buf[i])) |
if ('\0' == (mac[j] = buf[i])) |
break; |
break; |
else if (' ' == buf[i]) |
else if (' ' == buf[i]) |
break; |
break; |
|
|
|
/* Check for invalid characters. */ |
|
|
|
if (isgraph((u_char)buf[i])) |
|
continue; |
|
if ( ! mdoc_pmsg(m, ln, i, MANDOCERR_BADCHAR)) |
|
return(0); |
|
i--; |
} |
} |
|
|
mac[i - 1] = 0; |
mac[j] = '\0'; |
|
|
if (i == 5 || i <= 2) { |
if (j == 4 || j < 2) { |
if ( ! macrowarn(m, ln, mac)) |
if ( ! macrowarn(m, ln, mac, sv)) |
goto err; |
goto err; |
return(1); |
return(1); |
} |
} |
|
|
if (MDOC_MAX == (c = mdoc_hash_find(m->htab, mac))) { |
if (MDOC_MAX == (tok = mdoc_hash_find(mac))) { |
if ( ! macrowarn(m, ln, mac)) |
if ( ! macrowarn(m, ln, mac, sv)) |
goto err; |
goto err; |
return(1); |
return(1); |
} |
} |
Line 717 parsemacro(struct mdoc *m, int ln, char *buf) |
|
Line 812 parsemacro(struct mdoc *m, int ln, char *buf) |
|
while (buf[i] && ' ' == buf[i]) |
while (buf[i] && ' ' == buf[i]) |
i++; |
i++; |
|
|
/* Begin recursive parse sequence. */ |
/* |
|
* Trailing whitespace. Note that tabs are allowed to be passed |
|
* into the parser as "text", so we only warn about spaces here. |
|
*/ |
|
|
if ( ! mdoc_macro(m, c, ln, 1, &i, buf)) |
if ('\0' == buf[i] && ' ' == buf[i - 1]) |
|
if ( ! mdoc_pmsg(m, ln, i - 1, MANDOCERR_EOLNSPACE)) |
|
goto err; |
|
|
|
/* |
|
* If an initial macro or a list invocation, divert directly |
|
* into macro processing. |
|
*/ |
|
|
|
if (NULL == m->last || MDOC_It == tok || MDOC_El == tok) { |
|
if ( ! mdoc_macro(m, tok, ln, sv, &i, buf)) |
|
goto err; |
|
return(1); |
|
} |
|
|
|
n = m->last; |
|
assert(m->last); |
|
|
|
/* |
|
* If the first macro of a `Bl -column', open an `It' block |
|
* context around the parsed macro. |
|
*/ |
|
|
|
if (MDOC_Bl == n->tok && MDOC_BODY == n->type && |
|
LIST_column == n->data.Bl->type) { |
|
m->flags |= MDOC_FREECOL; |
|
if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf)) |
|
goto err; |
|
return(1); |
|
} |
|
|
|
/* |
|
* If we're following a block-level `It' within a `Bl -column' |
|
* context (perhaps opened in the above block or in ptext()), |
|
* then open an `It' block context around the parsed macro. |
|
*/ |
|
|
|
if (MDOC_It == n->tok && MDOC_BLOCK == n->type && |
|
NULL != n->parent && |
|
MDOC_Bl == n->parent->tok && |
|
LIST_column == n->parent->data.Bl->type) { |
|
m->flags |= MDOC_FREECOL; |
|
if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf)) |
|
goto err; |
|
return(1); |
|
} |
|
|
|
/* Normal processing of a macro. */ |
|
|
|
if ( ! mdoc_macro(m, tok, ln, sv, &i, buf)) |
goto err; |
goto err; |
|
|
return(1); |
return(1); |
Line 729 err: /* Error out. */ |
|
Line 876 err: /* Error out. */ |
|
m->flags |= MDOC_HALT; |
m->flags |= MDOC_HALT; |
return(0); |
return(0); |
} |
} |
|
|
|
|