version 1.23, 2009/07/19 09:17:42 |
version 1.51, 2010/04/05 08:45:29 |
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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 <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
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#include <time.h> |
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#include "libmdoc.h" |
#include "libmdoc.h" |
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#define REWIND_REWIND (1 << 0) |
enum rew { |
#define REWIND_NOHALT (1 << 1) |
REWIND_REWIND, |
#define REWIND_HALT (1 << 2) |
REWIND_NOHALT, |
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REWIND_HALT |
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}; |
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static int ctx_synopsis(MACRO_PROT_ARGS); |
static int obsolete(MACRO_PROT_ARGS); |
static int obsolete(MACRO_PROT_ARGS); |
static int blk_part_exp(MACRO_PROT_ARGS); |
static int blk_part_exp(MACRO_PROT_ARGS); |
static int in_line_eoln(MACRO_PROT_ARGS); |
static int in_line_eoln(MACRO_PROT_ARGS); |
Line 36 static int blk_exp_close(MACRO_PROT_ARGS); |
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Line 44 static int blk_exp_close(MACRO_PROT_ARGS); |
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static int blk_part_imp(MACRO_PROT_ARGS); |
static int blk_part_imp(MACRO_PROT_ARGS); |
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static int phrase(struct mdoc *, int, int, char *); |
static int phrase(struct mdoc *, int, int, char *); |
static int rew_dohalt(int, enum mdoc_type, |
static enum rew rew_dohalt(enum mdoct, enum mdoc_type, |
const struct mdoc_node *); |
const struct mdoc_node *); |
static int rew_alt(int); |
static enum mdoct rew_alt(enum mdoct); |
static int rew_dobreak(int, const struct mdoc_node *); |
static int rew_dobreak(enum mdoct, const struct mdoc_node *); |
static int rew_elem(struct mdoc *, int); |
static int rew_elem(struct mdoc *, enum mdoct); |
static int rew_impblock(struct mdoc *, int, int, int); |
static int rew_sub(enum mdoc_type, struct mdoc *, |
static int rew_expblock(struct mdoc *, int, int, int); |
enum mdoct, int, int); |
static int rew_subblock(enum mdoc_type, |
static int rew_last(struct mdoc *, |
struct mdoc *, int, int, int); |
const struct mdoc_node *); |
static int rew_last(struct mdoc *, struct mdoc_node *); |
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static int append_delims(struct mdoc *, int, int *, char *); |
static int append_delims(struct mdoc *, int, int *, char *); |
static int lookup(struct mdoc *, int, int, int, const char *); |
static int lookup(int, const char *); |
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static int lookup_raw(const char *); |
static int swarn(struct mdoc *, enum mdoc_type, int, int, |
static int swarn(struct mdoc *, enum mdoc_type, int, int, |
const struct mdoc_node *); |
const struct mdoc_node *); |
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Line 93 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 101 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ in_line_eoln, 0 }, /* Rv */ |
{ in_line_eoln, 0 }, /* Rv */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ |
{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */ |
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ |
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */ |
{ in_line_eoln, 0 }, /* %A */ |
{ in_line_eoln, 0 }, /* %A */ |
{ in_line_eoln, 0 }, /* %B */ |
{ in_line_eoln, 0 }, /* %B */ |
{ in_line_eoln, 0 }, /* %D */ |
{ in_line_eoln, 0 }, /* %D */ |
Line 174 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 182 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ in_line_eoln, 0 }, /* %Q */ |
{ in_line_eoln, 0 }, /* %Q */ |
{ in_line_eoln, 0 }, /* br */ |
{ in_line_eoln, 0 }, /* br */ |
{ in_line_eoln, 0 }, /* sp */ |
{ in_line_eoln, 0 }, /* sp */ |
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{ in_line_eoln, 0 }, /* %U */ |
}; |
}; |
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const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
Line 232 swarn(struct mdoc *mdoc, enum mdoc_type type, |
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Line 241 swarn(struct mdoc *mdoc, enum mdoc_type type, |
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* are errors. |
* are errors. |
*/ |
*/ |
int |
int |
mdoc_macroend(struct mdoc *mdoc) |
mdoc_macroend(struct mdoc *m) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
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/* Scan for open explicit scopes. */ |
/* Scan for open explicit scopes. */ |
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n = MDOC_VALID & mdoc->last->flags ? |
n = MDOC_VALID & m->last->flags ? m->last->parent : m->last; |
mdoc->last->parent : mdoc->last; |
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for ( ; n; n = n->parent) { |
for ( ; n; n = n->parent) { |
if (MDOC_BLOCK != n->type) |
if (MDOC_BLOCK != n->type) |
continue; |
continue; |
if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
continue; |
continue; |
return(mdoc_nerr(mdoc, n, EOPEN)); |
return(mdoc_nerr(m, n, EOPEN)); |
} |
} |
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return(rew_last(mdoc, mdoc->first)); |
/* Rewind to the first. */ |
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return(rew_last(m, m->first)); |
} |
} |
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/* |
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* Look up a macro from within a subsequent context. |
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*/ |
static int |
static int |
lookup(struct mdoc *mdoc, int line, int pos, int from, const char *p) |
lookup(int from, const char *p) |
{ |
{ |
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/* FIXME: make -diag lists be un-PARSED. */ |
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if ( ! (MDOC_PARSED & mdoc_macros[from].flags)) |
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return(MDOC_MAX); |
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return(lookup_raw(p)); |
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} |
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/* |
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* Lookup a macro following the initial line macro. |
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*/ |
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static int |
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lookup_raw(const char *p) |
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{ |
int res; |
int res; |
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res = mdoc_hash_find(mdoc->htab, p); |
if (MDOC_MAX == (res = mdoc_hash_find(p))) |
if (MDOC_PARSED & mdoc_macros[from].flags) |
return(MDOC_MAX); |
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if (MDOC_CALLABLE & mdoc_macros[res].flags) |
return(res); |
return(res); |
if (MDOC_MAX == res) |
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return(res); |
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if ( ! mdoc_pwarn(mdoc, line, pos, EMACPARM)) |
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return(-1); |
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return(MDOC_MAX); |
return(MDOC_MAX); |
} |
} |
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static int |
static int |
rew_last(struct mdoc *mdoc, struct mdoc_node *to) |
rew_last(struct mdoc *mdoc, const struct mdoc_node *to) |
{ |
{ |
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assert(to); |
assert(to); |
Line 291 rew_last(struct mdoc *mdoc, struct mdoc_node *to) |
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Line 316 rew_last(struct mdoc *mdoc, struct mdoc_node *to) |
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} |
} |
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static int |
/* |
rew_alt(int tok) |
* Return the opening macro of a closing one, e.g., `Ec' has `Eo' as its |
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* matching pair. |
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*/ |
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static enum mdoct |
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rew_alt(enum mdoct tok) |
{ |
{ |
switch (tok) { |
switch (tok) { |
case (MDOC_Ac): |
case (MDOC_Ac): |
Line 341 rew_alt(int tok) |
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Line 370 rew_alt(int tok) |
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* close our current scope (REWIND_REWIND), or continue (REWIND_NOHALT). |
* close our current scope (REWIND_REWIND), or continue (REWIND_NOHALT). |
* The scope-closing and so on occurs in the various rew_* routines. |
* The scope-closing and so on occurs in the various rew_* routines. |
*/ |
*/ |
static int |
static enum rew |
rew_dohalt(int tok, enum mdoc_type type, const struct mdoc_node *p) |
rew_dohalt(enum mdoct tok, enum mdoc_type type, |
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const struct mdoc_node *p) |
{ |
{ |
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if (MDOC_ROOT == p->type) |
if (MDOC_ROOT == p->type) |
Line 372 rew_dohalt(int tok, enum mdoc_type type, const struct |
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Line 402 rew_dohalt(int tok, enum mdoc_type type, const struct |
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case (MDOC_Qq): |
case (MDOC_Qq): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Sq): |
case (MDOC_Sq): |
assert(MDOC_HEAD != type); |
/* FALLTHROUGH */ |
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case (MDOC_Vt): |
assert(MDOC_TAIL != type); |
assert(MDOC_TAIL != type); |
if (type == p->type && tok == p->tok) |
if (type == p->type && tok == p->tok) |
return(REWIND_REWIND); |
return(REWIND_REWIND); |
Line 431 rew_dohalt(int tok, enum mdoc_type type, const struct |
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Line 462 rew_dohalt(int tok, enum mdoc_type type, const struct |
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if (type == p->type && tok == p->tok) |
if (type == p->type && tok == p->tok) |
return(REWIND_REWIND); |
return(REWIND_REWIND); |
break; |
break; |
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/* Multi-line explicit scope close. */ |
/* Multi-line explicit scope close. */ |
case (MDOC_Ac): |
case (MDOC_Ac): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 481 rew_dohalt(int tok, enum mdoc_type type, const struct |
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Line 511 rew_dohalt(int tok, enum mdoc_type type, const struct |
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* REWIND_NOHALT). |
* REWIND_NOHALT). |
*/ |
*/ |
static int |
static int |
rew_dobreak(int tok, const struct mdoc_node *p) |
rew_dobreak(enum mdoct tok, const struct mdoc_node *p) |
{ |
{ |
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assert(MDOC_ROOT != p->type); |
assert(MDOC_ROOT != p->type); |
Line 510 rew_dobreak(int tok, const struct mdoc_node *p) |
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Line 540 rew_dobreak(int tok, const struct mdoc_node *p) |
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return(1); |
return(1); |
break; |
break; |
case (MDOC_Oc): |
case (MDOC_Oc): |
/* XXX - experimental! */ |
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if (MDOC_Op == p->tok) |
if (MDOC_Op == p->tok) |
return(1); |
return(1); |
break; |
break; |
Line 528 rew_dobreak(int tok, const struct mdoc_node *p) |
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Line 557 rew_dobreak(int tok, const struct mdoc_node *p) |
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static int |
static int |
rew_elem(struct mdoc *mdoc, int tok) |
rew_elem(struct mdoc *mdoc, enum mdoct tok) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
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Line 543 rew_elem(struct mdoc *mdoc, int tok) |
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Line 572 rew_elem(struct mdoc *mdoc, int tok) |
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static int |
static int |
rew_subblock(enum mdoc_type type, struct mdoc *mdoc, |
rew_sub(enum mdoc_type t, struct mdoc *m, |
int tok, int line, int ppos) |
enum mdoct tok, int line, int ppos) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
int c; |
enum rew c; |
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/* LINTED */ |
/* LINTED */ |
for (n = mdoc->last; n; n = n->parent) { |
for (n = m->last; n; n = n->parent) { |
c = rew_dohalt(tok, type, n); |
c = rew_dohalt(tok, t, n); |
if (REWIND_HALT == c) |
if (REWIND_HALT == c) { |
return(1); |
if (MDOC_BLOCK != t) |
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return(1); |
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if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) |
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return(1); |
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return(mdoc_perr(m, line, ppos, ENOCTX)); |
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} |
if (REWIND_REWIND == c) |
if (REWIND_REWIND == c) |
break; |
break; |
else if (rew_dobreak(tok, n)) |
else if (rew_dobreak(tok, n)) |
continue; |
continue; |
if ( ! swarn(mdoc, type, line, ppos, n)) |
if ( ! swarn(m, t, line, ppos, n)) |
return(0); |
return(0); |
} |
} |
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assert(n); |
assert(n); |
return(rew_last(mdoc, n)); |
if ( ! rew_last(m, n)) |
} |
return(0); |
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#ifdef UGLY |
static int |
/* |
rew_expblock(struct mdoc *mdoc, int tok, int line, int ppos) |
* The current block extends an enclosing block beyond a line |
{ |
* break. Now that the current block ends, close the enclosing |
struct mdoc_node *n; |
* block, too. |
int c; |
*/ |
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if (NULL != (n = n->pending)) { |
/* LINTED */ |
assert(MDOC_HEAD == n->type); |
for (n = mdoc->last; n; n = n->parent) { |
if ( ! rew_last(m, n)) |
c = rew_dohalt(tok, MDOC_BLOCK, n); |
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if (REWIND_HALT == c) |
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return(mdoc_perr(mdoc, line, ppos, ENOCTX)); |
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if (REWIND_REWIND == c) |
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break; |
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else if (rew_dobreak(tok, n)) |
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continue; |
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if ( ! swarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
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return(0); |
return(0); |
} |
if ( ! mdoc_body_alloc(m, n->line, n->pos, n->tok)) |
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assert(n); |
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return(rew_last(mdoc, n)); |
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} |
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static int |
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rew_impblock(struct mdoc *mdoc, int tok, int line, int ppos) |
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{ |
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struct mdoc_node *n; |
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int c; |
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/* LINTED */ |
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for (n = mdoc->last; n; n = n->parent) { |
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c = rew_dohalt(tok, MDOC_BLOCK, n); |
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if (REWIND_HALT == c) |
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return(1); |
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else if (REWIND_REWIND == c) |
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break; |
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else if (rew_dobreak(tok, n)) |
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continue; |
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if ( ! swarn(mdoc, MDOC_BLOCK, line, ppos, n)) |
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return(0); |
return(0); |
} |
} |
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#endif |
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assert(n); |
return(1); |
return(rew_last(mdoc, n)); |
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} |
} |
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Line 626 append_delims(struct mdoc *mdoc, int line, int *pos, c |
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Line 630 append_delims(struct mdoc *mdoc, int line, int *pos, c |
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for (;;) { |
for (;;) { |
lastarg = *pos; |
lastarg = *pos; |
c = mdoc_args(mdoc, line, pos, buf, 0, &p); |
c = mdoc_zargs(mdoc, line, pos, buf, ARGS_NOWARN, &p); |
assert(ARGS_PHRASE != c); |
assert(ARGS_PHRASE != c); |
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if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
Line 636 append_delims(struct mdoc *mdoc, int line, int *pos, c |
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Line 640 append_delims(struct mdoc *mdoc, int line, int *pos, c |
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assert(mdoc_isdelim(p)); |
assert(mdoc_isdelim(p)); |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
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} |
} |
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return(1); |
return(1); |
Line 663 blk_exp_close(MACRO_PROT_ARGS) |
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Line 666 blk_exp_close(MACRO_PROT_ARGS) |
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if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
if (buf[*pos]) |
if (buf[*pos]) |
if ( ! mdoc_pwarn(mdoc, line, ppos, ENOLINE)) |
if ( ! mdoc_pwarn(m, line, ppos, ENOLINE)) |
return(0); |
return(0); |
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if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
return(0); |
return(0); |
return(rew_expblock(mdoc, tok, line, ppos)); |
return(rew_sub(MDOC_BLOCK, m, tok, line, ppos)); |
} |
} |
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if ( ! rew_subblock(MDOC_BODY, mdoc, tok, line, ppos)) |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
return(0); |
return(0); |
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if (maxargs > 0) { |
if (maxargs > 0) |
if ( ! mdoc_tail_alloc(mdoc, line, |
if ( ! mdoc_tail_alloc(m, line, ppos, rew_alt(tok))) |
ppos, rew_alt(tok))) |
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return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
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} |
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for (lastarg = ppos, flushed = j = 0; ; j++) { |
for (flushed = j = 0; ; j++) { |
lastarg = *pos; |
lastarg = *pos; |
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if (j == maxargs && ! flushed) { |
if (j == maxargs && ! flushed) { |
if ( ! rew_expblock(mdoc, tok, line, ppos)) |
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
} |
} |
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c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
c = mdoc_args(m, line, pos, buf, tok, &p); |
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if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
Line 699 blk_exp_close(MACRO_PROT_ARGS) |
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Line 699 blk_exp_close(MACRO_PROT_ARGS) |
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if (ARGS_EOLN == c) |
if (ARGS_EOLN == c) |
break; |
break; |
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if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
if (MDOC_MAX != (c = lookup(tok, p))) { |
return(0); |
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else if (MDOC_MAX != c) { |
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if ( ! flushed) { |
if ( ! flushed) { |
if ( ! rew_expblock(mdoc, tok, |
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
line, ppos)) |
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return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
} |
} |
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
if ( ! mdoc_macro(m, c, line, lastarg, pos, buf)) |
return(0); |
return(0); |
break; |
break; |
} |
} |
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if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
if ( ! mdoc_word_alloc(m, line, lastarg, p)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
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} |
} |
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if ( ! flushed && ! rew_expblock(mdoc, tok, line, ppos)) |
if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
return(0); |
return(0); |
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if (ppos > 1) |
if (ppos > 1) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
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/* |
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* In-line macros where reserved words cause scope close-reopen. |
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*/ |
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static int |
static int |
in_line(MACRO_PROT_ARGS) |
in_line(MACRO_PROT_ARGS) |
{ |
{ |
Line 741 in_line(MACRO_PROT_ARGS) |
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Line 734 in_line(MACRO_PROT_ARGS) |
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* Whether we allow ignored elements (those without content, |
* Whether we allow ignored elements (those without content, |
* usually because of reserved words) to squeak by. |
* usually because of reserved words) to squeak by. |
*/ |
*/ |
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switch (tok) { |
switch (tok) { |
case (MDOC_Nm): |
case (MDOC_An): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
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case (MDOC_Ar): |
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/* FALLTHROUGH */ |
case (MDOC_Fl): |
case (MDOC_Fl): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Lk): |
case (MDOC_Lk): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Ar): |
case (MDOC_Nm): |
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/* FALLTHROUGH */ |
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case (MDOC_Pa): |
nc = 1; |
nc = 1; |
break; |
break; |
default: |
default: |
Line 756 in_line(MACRO_PROT_ARGS) |
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Line 754 in_line(MACRO_PROT_ARGS) |
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break; |
break; |
} |
} |
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for (la = ppos, arg = NULL;; ) { |
for (arg = NULL;; ) { |
la = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
c = mdoc_argv(m, line, tok, &arg, pos, buf); |
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if (ARGV_WORD == c) { |
if (ARGV_WORD == c) { |
*pos = la; |
*pos = la; |
Line 775 in_line(MACRO_PROT_ARGS) |
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Line 773 in_line(MACRO_PROT_ARGS) |
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for (cnt = 0, lastpunct = 1;; ) { |
for (cnt = 0, lastpunct = 1;; ) { |
la = *pos; |
la = *pos; |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
w = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
if (ARGS_ERROR == w) |
if (ARGS_ERROR == w) |
return(0); |
return(0); |
Line 786 in_line(MACRO_PROT_ARGS) |
|
Line 784 in_line(MACRO_PROT_ARGS) |
|
|
|
/* Quoted words shouldn't be looked-up. */ |
/* Quoted words shouldn't be looked-up. */ |
|
|
c = ARGS_QWORD == w ? MDOC_MAX : |
c = ARGS_QWORD == w ? MDOC_MAX : lookup(tok, p); |
lookup(mdoc, line, la, tok, p); |
|
|
|
/* |
/* |
* In this case, we've located a submacro and must |
* In this case, we've located a submacro and must |
Line 796 in_line(MACRO_PROT_ARGS) |
|
Line 793 in_line(MACRO_PROT_ARGS) |
|
* or raise a warning. |
* or raise a warning. |
*/ |
*/ |
|
|
if (MDOC_MAX != c && -1 != c) { |
if (MDOC_MAX != c) { |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
if (0 == lastpunct && ! rew_elem(m, tok)) |
return(0); |
return(0); |
if (nc && 0 == cnt) { |
if (nc && 0 == cnt) { |
if ( ! mdoc_elem_alloc(mdoc, line, ppos, |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
tok, arg)) |
|
return(0); |
return(0); |
if ( ! rew_last(mdoc, mdoc->last)) |
if ( ! rew_last(m, m->last)) |
return(0); |
return(0); |
} else if ( ! nc && 0 == cnt) { |
} else if ( ! nc && 0 == cnt) { |
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
if ( ! mdoc_pwarn(mdoc, line, ppos, EIGNE)) |
if ( ! mdoc_pwarn(m, line, ppos, EIGNE)) |
return(0); |
return(0); |
} |
} |
c = mdoc_macro(mdoc, c, line, la, pos, buf); |
c = mdoc_macro(m, c, line, la, pos, buf); |
if (0 == c) |
if (0 == c) |
return(0); |
return(0); |
if (ppos > 1) |
if (ppos > 1) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} else if (-1 == c) |
} |
return(0); |
|
|
|
/* |
/* |
* Non-quote-enclosed punctuation. Set up our scope, if |
* Non-quote-enclosed punctuation. Set up our scope, if |
Line 825 in_line(MACRO_PROT_ARGS) |
|
Line 820 in_line(MACRO_PROT_ARGS) |
|
* the word. |
* the word. |
*/ |
*/ |
|
|
d = mdoc_isdelim(p); |
d = ARGS_QWORD == w ? 0 : mdoc_isdelim(p); |
|
|
if (ARGS_QWORD != w && d) { |
if (ARGS_QWORD != w && d) { |
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
if (0 == lastpunct && ! rew_elem(m, tok)) |
return(0); |
return(0); |
lastpunct = 1; |
lastpunct = 1; |
} else if (lastpunct) { |
} else if (lastpunct) { |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
if (0 == c) |
|
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
|
lastpunct = 0; |
lastpunct = 0; |
} |
} |
|
|
if ( ! d) |
if ( ! d) |
cnt++; |
cnt++; |
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
|
|
/* |
|
* `Fl' macros have their scope re-opened with each new |
|
* word so that the `-' can be added to each one without |
|
* having to parse out spaces. |
|
*/ |
|
if (0 == lastpunct && MDOC_Fl == tok) { |
|
if ( ! rew_elem(m, tok)) |
|
return(0); |
|
lastpunct = 1; |
|
} |
} |
} |
|
|
if (0 == lastpunct && ! rew_elem(mdoc, tok)) |
if (0 == lastpunct && ! rew_elem(m, tok)) |
return(0); |
return(0); |
|
|
/* |
/* |
* If no elements have been collected and we're allowed to have |
* If no elements have been collected and we're allowed to have |
* empties (nc), open a scope and close it out. Otherwise, |
* empties (nc), open a scope and close it out. Otherwise, |
* raise a warning. |
* raise a warning. |
* |
|
*/ |
*/ |
|
|
if (nc && 0 == cnt) { |
if (nc && 0 == cnt) { |
c = mdoc_elem_alloc(mdoc, line, ppos, tok, arg); |
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
if (0 == c) |
|
return(0); |
return(0); |
if ( ! rew_last(mdoc, mdoc->last)) |
if ( ! rew_last(m, m->last)) |
return(0); |
return(0); |
} else if ( ! nc && 0 == cnt) { |
} else if ( ! nc && 0 == cnt) { |
mdoc_argv_free(arg); |
mdoc_argv_free(arg); |
if ( ! mdoc_pwarn(mdoc, line, ppos, EIGNE)) |
if ( ! mdoc_pwarn(m, line, ppos, EIGNE)) |
return(0); |
return(0); |
} |
} |
|
|
if (ppos > 1) |
if (ppos > 1) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
|
|
|
|
/* |
|
* Block full-explicit and full-implicit. |
|
*/ |
|
static int |
static int |
blk_full(MACRO_PROT_ARGS) |
blk_full(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, reopen, dohead; |
int c, la; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
|
struct mdoc_node *head; /* save of head macro */ |
|
struct mdoc_node *body; /* save of body macro */ |
|
#ifdef UGLY |
|
struct mdoc_node *n; |
|
#endif |
char *p; |
char *p; |
|
|
/* |
/* Close out prior implicit scope. */ |
* Whether to process a block-head section. If this is |
|
* non-zero, then a head will be opened for all line arguments. |
|
* If not, then the head will always be empty and only a body |
|
* will be opened, which will stay open at the eoln. |
|
*/ |
|
|
|
switch (tok) { |
|
case (MDOC_Nd): |
|
dohead = 0; |
|
break; |
|
default: |
|
dohead = 1; |
|
break; |
|
} |
|
|
|
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) { |
if ( ! rew_subblock(MDOC_BODY, mdoc, |
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos)) |
tok, line, ppos)) |
|
return(0); |
return(0); |
if ( ! rew_impblock(mdoc, tok, line, ppos)) |
if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos)) |
return(0); |
return(0); |
} |
} |
|
|
|
/* |
|
* This routine accomodates implicitly- and explicitly-scoped |
|
* macro openings. Implicit ones first close out prior scope |
|
* (seen above). Delay opening the head until necessary to |
|
* allow leading punctuation to print. Special consideration |
|
* for `It -column', which has phrase-part syntax instead of |
|
* regular child nodes. |
|
*/ |
|
|
for (arg = NULL;; ) { |
for (arg = NULL;; ) { |
lastarg = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
c = mdoc_argv(m, line, tok, &arg, pos, buf); |
|
|
if (ARGV_WORD == c) { |
if (ARGV_WORD == c) { |
*pos = lastarg; |
*pos = la; |
break; |
break; |
} |
} |
|
|
Line 925 blk_full(MACRO_PROT_ARGS) |
|
Line 923 blk_full(MACRO_PROT_ARGS) |
|
return(0); |
return(0); |
} |
} |
|
|
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, arg)) |
if ( ! mdoc_block_alloc(m, line, ppos, tok, arg)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
if (0 == buf[*pos]) { |
head = body = NULL; |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
return(1); |
|
} |
|
|
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
/* |
return(0); |
* The `Nd' macro has all arguments in its body: it's a hybrid |
|
* of block partial-explicit and full-implicit. Stupid. |
|
*/ |
|
|
/* Immediately close out head and enter body, if applicable. */ |
if (MDOC_Nd == tok) { |
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
if (0 == dohead) { |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
return(0); |
return(0); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
head = m->last; |
|
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
return(0); |
return(0); |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
} |
} |
|
|
mdoc->next = MDOC_NEXT_CHILD; |
for (;;) { |
|
la = *pos; |
|
c = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
for (reopen = 0;; ) { |
|
lastarg = *pos; |
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_EOLN == c) |
if (ARGS_EOLN == c) |
break; |
break; |
if (ARGS_PHRASE == c) { |
|
assert(dohead); |
/* Don't emit leading punct. for phrases. */ |
if (reopen && ! mdoc_head_alloc |
|
(mdoc, line, ppos, tok)) |
if (NULL == head && ARGS_PHRASE != c && |
|
ARGS_QWORD != c && |
|
1 == mdoc_isdelim(p)) { |
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
continue; |
/* |
} |
* Phrases are self-contained macro phrases used |
|
* in the columnar output of a macro. They need |
/* Always re-open head for phrases. */ |
* special handling. |
|
*/ |
if (NULL == head || ARGS_PHRASE == c) { |
if ( ! phrase(mdoc, line, lastarg, buf)) |
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
head = m->last; |
tok, line, ppos)) |
} |
return(0); |
|
|
|
reopen = 1; |
if (ARGS_PHRASE == c) { |
|
if ( ! phrase(m, line, la, buf)) |
|
return(0); |
|
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
|
return(0); |
continue; |
continue; |
} |
} |
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
c = lookup(tok, p); |
|
if (MDOC_MAX != c) { |
|
if ( ! mdoc_macro(m, c, line, la, pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
|
|
if (MDOC_MAX == c) { |
} |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
continue; |
|
} |
|
|
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
if (NULL == head) { |
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
break; |
head = m->last; |
} |
} |
|
|
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
if (1 == ppos && ! append_delims(m, line, pos, buf)) |
return(0); |
return(0); |
|
|
/* If the body's already open, then just return. */ |
/* If we've already opened our body, exit now. */ |
if (0 == dohead) |
|
|
if (NULL != body) |
return(1); |
return(1); |
|
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
#ifdef UGLY |
|
/* |
|
* If there is an open (i.e., unvalidated) sub-block requiring |
|
* explicit close-out, postpone switching the current block from |
|
* head to body until the rew_sub() call closing out that |
|
* sub-block. |
|
*/ |
|
for (n = m->last; n && n != head; n = n->parent) { |
|
if (MDOC_BLOCK == n->type && |
|
MDOC_EXPLICIT & mdoc_macros[n->tok].flags && |
|
! (MDOC_VALID & n->flags)) { |
|
assert( ! (MDOC_ACTED & n->flags)); |
|
n->pending = head; |
|
return(1); |
|
} |
|
} |
|
#endif |
|
|
|
/* Close out scopes to remain in a consistent state. */ |
|
|
|
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
return(0); |
return(0); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
return(1); |
return(1); |
} |
} |
|
|
|
|
/* |
|
* Block partial-imnplicit scope. |
|
*/ |
|
static int |
static int |
blk_part_imp(MACRO_PROT_ARGS) |
blk_part_imp(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, c; |
int la, c; |
char *p; |
char *p; |
struct mdoc_node *blk, *body, *n; |
struct mdoc_node *blk; /* saved block context */ |
|
struct mdoc_node *body; /* saved body context */ |
|
struct mdoc_node *n; |
|
|
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
/* |
return(0); |
* A macro that spans to the end of the line. This is generally |
mdoc->next = MDOC_NEXT_CHILD; |
* (but not necessarily) called as the first macro. The block |
blk = mdoc->last; |
* has a head as the immediate child, which is always empty, |
|
* followed by zero or more opening punctuation nodes, then the |
|
* body (which may be empty, depending on the macro), then zero |
|
* or more closing punctuation nodes. |
|
*/ |
|
|
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
|
|
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
blk = m->last; |
|
|
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
body = mdoc->last; |
return(0); |
|
|
/* XXX - no known argument macros. */ |
/* |
|
* Open the body scope "on-demand", that is, after we've |
|
* processed all our the leading delimiters (open parenthesis, |
|
* etc.). |
|
*/ |
|
|
for (lastarg = ppos;; ) { |
for (body = NULL; ; ) { |
lastarg = *pos; |
la = *pos; |
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
c = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
assert(ARGS_PHRASE != c); |
assert(ARGS_PHRASE != c); |
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
|
break; |
|
if (ARGS_EOLN == c) |
if (ARGS_EOLN == c) |
break; |
break; |
|
if (ARGS_PUNCT == c) |
|
break; |
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
if (NULL == body && ARGS_QWORD != c && |
return(0); |
1 == mdoc_isdelim(p)) { |
else if (MDOC_MAX == c) { |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
|
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
|
continue; |
continue; |
} |
} |
|
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
if (NULL == body) { |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
|
} |
|
|
|
if (MDOC_MAX != (c = lookup(tok, p))) { |
|
if ( ! mdoc_macro(m, c, line, la, pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
break; |
|
} |
} |
|
|
/* |
/* Clean-ups to leave in a consistent state. */ |
* Since we know what our context is, we can rewind directly to |
|
* it. This allows us to accomodate for our scope being |
|
* violated by another token. |
|
*/ |
|
|
|
for (n = mdoc->last; n; n = n->parent) |
if (NULL == body) { |
|
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
|
} |
|
|
|
/* |
|
* If we can't rewind to our body, then our scope has already |
|
* been closed by another macro (like `Oc' closing `Op'). This |
|
* is ugly behaviour nodding its head to OpenBSD's overwhelming |
|
* crufty use of `Op' breakage. |
|
*/ |
|
for (n = m->last; n; n = n->parent) |
if (body == n) |
if (body == n) |
break; |
break; |
|
|
if (NULL == n && ! mdoc_nwarn(mdoc, body, EIMPBRK)) |
if (NULL == n && ! mdoc_nwarn(m, body, EIMPBRK)) |
return(0); |
return(0); |
|
|
if (n && ! rew_last(mdoc, body)) |
if (n && ! rew_last(m, body)) |
return(0); |
return(0); |
|
|
if (1 == ppos && ! append_delims(mdoc, line, pos, buf)) |
/* Standard appending of delimiters. */ |
|
|
|
if (1 == ppos && ! append_delims(m, line, pos, buf)) |
return(0); |
return(0); |
|
|
if (n && ! rew_last(mdoc, blk)) |
/* Rewind scope, if applicable. */ |
|
|
|
if (n && ! rew_last(m, blk)) |
return(0); |
return(0); |
|
|
return(1); |
return(1); |
} |
} |
|
|
|
|
/* |
|
* Block partial-explicit macros. |
|
*/ |
|
static int |
static int |
blk_part_exp(MACRO_PROT_ARGS) |
blk_part_exp(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, flushed, j, c, maxargs; |
int la, c; |
|
struct mdoc_node *head; /* keep track of head */ |
|
struct mdoc_node *body; /* keep track of body */ |
char *p; |
char *p; |
|
|
lastarg = ppos; |
|
flushed = 0; |
|
|
|
/* |
/* |
* Number of arguments (head arguments). Only `Eo' has these, |
* The opening of an explicit macro having zero or more leading |
|
* punctuation nodes; a head with optional single element (the |
|
* case of `Eo'); and a body that may be empty. |
*/ |
*/ |
|
|
switch (tok) { |
if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL)) |
case (MDOC_Eo): |
|
maxargs = 1; |
|
break; |
|
default: |
|
maxargs = 0; |
|
break; |
|
} |
|
|
|
if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL)) |
|
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
if (0 == maxargs) { |
for (head = body = NULL; ; ) { |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
la = *pos; |
return(0); |
c = mdoc_args(m, line, pos, buf, tok, &p); |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
flushed = 1; |
|
} else if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
|
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
for (j = 0; ; j++) { |
|
lastarg = *pos; |
|
if (j == maxargs && ! flushed) { |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
|
tok, line, ppos)) |
|
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
|
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
assert(ARGS_PHRASE != c); |
|
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
if (ARGS_PUNCT == c) |
Line 1159 blk_part_exp(MACRO_PROT_ARGS) |
|
Line 1169 blk_part_exp(MACRO_PROT_ARGS) |
|
if (ARGS_EOLN == c) |
if (ARGS_EOLN == c) |
break; |
break; |
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
assert(ARGS_PHRASE != c); |
return(0); |
|
else if (MDOC_MAX != c) { |
/* Flush out leading punctuation. */ |
if ( ! flushed) { |
|
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
if (NULL == head && ARGS_QWORD != c && |
tok, line, ppos)) |
1 == mdoc_isdelim(p)) { |
return(0); |
assert(NULL == body); |
flushed = 1; |
if ( ! mdoc_word_alloc(m, line, la, p)) |
if ( ! mdoc_body_alloc(mdoc, line, |
|
ppos, tok)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
} |
|
if ( ! mdoc_macro(mdoc, c, line, lastarg, |
|
pos, buf)) |
|
return(0); |
return(0); |
break; |
continue; |
|
} |
|
|
|
if (NULL == head) { |
|
assert(NULL == body); |
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
|
return(0); |
|
head = m->last; |
} |
} |
|
|
if ( ! flushed && mdoc_isdelim(p)) { |
/* |
if ( ! rew_subblock(MDOC_HEAD, mdoc, |
* `Eo' gobbles any data into the head, but most other |
tok, line, ppos)) |
* macros just immediately close out and begin the body. |
|
*/ |
|
|
|
if (NULL == body) { |
|
assert(head); |
|
/* No check whether it's a macro! */ |
|
if (MDOC_Eo == tok) |
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
return(0); |
|
|
|
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
return(0); |
return(0); |
flushed = 1; |
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
|
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
body = m->last; |
|
|
|
if (MDOC_Eo == tok) |
|
continue; |
} |
} |
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
assert(NULL != head && NULL != body); |
|
|
|
if (MDOC_MAX != (c = lookup(tok, p))) { |
|
if ( ! mdoc_macro(m, c, line, la, pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
} |
|
|
if ( ! flushed) { |
/* Clean-up to leave in a consistent state. */ |
if ( ! rew_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
|
|
if (NULL == head) { |
|
if ( ! mdoc_head_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
if ( ! mdoc_body_alloc(mdoc, line, ppos, tok)) |
head = m->last; |
|
} |
|
|
|
if (NULL == body) { |
|
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_CHILD; |
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
|
return(0); |
|
body = m->last; |
} |
} |
|
|
|
/* Standard appending of delimiters. */ |
|
|
if (ppos > 1) |
if (ppos > 1) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
|
|
return(append_delims(m, line, pos, buf)); |
} |
} |
|
|
|
|
/* |
|
* In-line macros where reserved words signal closure of the macro. |
|
* Macros also have a fixed number of arguments. |
|
*/ |
|
static int |
static int |
in_line_argn(MACRO_PROT_ARGS) |
in_line_argn(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, flushed, j, c, maxargs; |
int la, flushed, j, c, maxargs; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
|
|
|
/* |
/* |
* A line macro that has a fixed number of arguments (maxargs). |
* Fixed maximum arguments per macro. Some of these have none |
* Only open the scope once the first non-leading-punctuation is |
* and close as soon as the invocation is parsed. |
* found (unless MDOC_IGNDELIM is noted, like in `Pf'), then |
|
* keep it open until the maximum number of arguments are |
|
* exhausted. |
*/ |
*/ |
|
|
switch (tok) { |
switch (tok) { |
Line 1234 in_line_argn(MACRO_PROT_ARGS) |
|
Line 1272 in_line_argn(MACRO_PROT_ARGS) |
|
case (MDOC_Ux): |
case (MDOC_Ux): |
maxargs = 0; |
maxargs = 0; |
break; |
break; |
|
case (MDOC_Xr): |
|
maxargs = 2; |
|
break; |
default: |
default: |
maxargs = 1; |
maxargs = 1; |
break; |
break; |
} |
} |
|
|
for (lastarg = ppos, arg = NULL;; ) { |
for (arg = NULL; ; ) { |
lastarg = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
c = mdoc_argv(m, line, tok, &arg, pos, buf); |
|
|
if (ARGV_WORD == c) { |
if (ARGV_WORD == c) { |
*pos = lastarg; |
*pos = la; |
break; |
break; |
} |
} |
|
|
Line 1257 in_line_argn(MACRO_PROT_ARGS) |
|
Line 1298 in_line_argn(MACRO_PROT_ARGS) |
|
return(0); |
return(0); |
} |
} |
|
|
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
for (flushed = j = 0; ; ) { |
return(0); |
la = *pos; |
mdoc->next = MDOC_NEXT_CHILD; |
c = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
for (flushed = j = 0; ; j++) { |
|
lastarg = *pos; |
|
|
|
if (j == maxargs && ! flushed) { |
|
if ( ! rew_elem(mdoc, tok)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
|
c = mdoc_args(mdoc, line, pos, buf, tok, &p); |
|
|
|
if (ARGS_ERROR == c) |
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if (ARGS_PUNCT == c) |
if (ARGS_PUNCT == c) |
Line 1279 in_line_argn(MACRO_PROT_ARGS) |
|
Line 1309 in_line_argn(MACRO_PROT_ARGS) |
|
if (ARGS_EOLN == c) |
if (ARGS_EOLN == c) |
break; |
break; |
|
|
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
return(0); |
ARGS_QWORD != c && |
else if (MDOC_MAX != c) { |
0 == j && 1 == mdoc_isdelim(p)) { |
if ( ! flushed && ! rew_elem(mdoc, tok)) |
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
|
continue; |
|
} else if (0 == j) |
|
if ( ! mdoc_elem_alloc(m, line, la, tok, arg)) |
|
return(0); |
|
|
|
if (j == maxargs && ! flushed) { |
|
if ( ! rew_elem(m, tok)) |
|
return(0); |
flushed = 1; |
flushed = 1; |
if ( ! mdoc_macro(mdoc, c, line, lastarg, pos, buf)) |
} |
|
|
|
if (MDOC_MAX != (c = lookup(tok, p))) { |
|
if ( ! flushed && ! rew_elem(m, tok)) |
return(0); |
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_macro(m, c, line, la, pos, buf)) |
|
return(0); |
|
j++; |
break; |
break; |
} |
} |
|
|
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) && |
|
ARGS_QWORD != c && |
! flushed && mdoc_isdelim(p)) { |
! flushed && mdoc_isdelim(p)) { |
if ( ! rew_elem(mdoc, tok)) |
if ( ! rew_elem(m, tok)) |
return(0); |
return(0); |
flushed = 1; |
flushed = 1; |
} |
} |
|
|
if ( ! mdoc_word_alloc(mdoc, line, lastarg, p)) |
/* |
|
* XXX: this is a hack to work around groff's ugliness |
|
* as regards `Xr' and extraneous arguments. It should |
|
* ideally be deprecated behaviour, but because this is |
|
* code is no here, it's unlikely to be removed. |
|
*/ |
|
|
|
#ifdef __OpenBSD__ |
|
if (MDOC_Xr == tok && j == maxargs) { |
|
if ( ! mdoc_elem_alloc(m, line, la, MDOC_Ns, NULL)) |
|
return(0); |
|
if ( ! rew_elem(m, MDOC_Ns)) |
|
return(0); |
|
} |
|
#endif |
|
|
|
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
j++; |
} |
} |
|
|
if ( ! flushed && ! rew_elem(mdoc, tok)) |
if (0 == j && ! mdoc_elem_alloc(m, line, la, tok, arg)) |
|
return(0); |
|
|
|
/* Close out in a consistent state. */ |
|
|
|
if ( ! flushed && ! rew_elem(m, tok)) |
return(0); |
return(0); |
|
|
if (ppos > 1) |
if (ppos > 1) |
return(1); |
return(1); |
return(append_delims(mdoc, line, pos, buf)); |
return(append_delims(m, line, pos, buf)); |
} |
} |
|
|
|
|
/* |
|
* In-line macro that spans an entire line. May be callable, but has no |
|
* subsequent parsed arguments. |
|
*/ |
|
static int |
static int |
in_line_eoln(MACRO_PROT_ARGS) |
in_line_eoln(MACRO_PROT_ARGS) |
{ |
{ |
Line 1324 in_line_eoln(MACRO_PROT_ARGS) |
|
Line 1387 in_line_eoln(MACRO_PROT_ARGS) |
|
|
|
assert( ! (MDOC_PARSED & mdoc_macros[tok].flags)); |
assert( ! (MDOC_PARSED & mdoc_macros[tok].flags)); |
|
|
arg = NULL; |
/* Parse macro arguments. */ |
|
|
for (;;) { |
for (arg = NULL; ; ) { |
la = *pos; |
la = *pos; |
c = mdoc_argv(mdoc, line, tok, &arg, pos, buf); |
c = mdoc_argv(m, line, tok, &arg, pos, buf); |
|
|
if (ARGV_WORD == c) { |
if (ARGV_WORD == c) { |
*pos = la; |
*pos = la; |
Line 1343 in_line_eoln(MACRO_PROT_ARGS) |
|
Line 1406 in_line_eoln(MACRO_PROT_ARGS) |
|
return(0); |
return(0); |
} |
} |
|
|
if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg)) |
/* Open element scope. */ |
|
|
|
if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg)) |
return(0); |
return(0); |
|
|
mdoc->next = MDOC_NEXT_CHILD; |
/* Parse argument terms. */ |
|
|
for (;;) { |
for (;;) { |
la = *pos; |
la = *pos; |
w = mdoc_args(mdoc, line, pos, buf, tok, &p); |
w = mdoc_args(m, line, pos, buf, tok, &p); |
|
|
if (ARGS_ERROR == w) |
if (ARGS_ERROR == w) |
return(0); |
return(0); |
if (ARGS_EOLN == w) |
if (ARGS_EOLN == w) |
break; |
break; |
|
|
c = ARGS_QWORD == w ? MDOC_MAX : |
c = ARGS_QWORD == w ? MDOC_MAX : lookup(tok, p); |
lookup(mdoc, line, la, tok, p); |
|
|
|
if (MDOC_MAX != c && -1 != c) { |
if (MDOC_MAX != c) { |
if ( ! rew_elem(mdoc, tok)) |
if ( ! rew_elem(m, tok)) |
return(0); |
return(0); |
return(mdoc_macro(mdoc, c, line, la, pos, buf)); |
return(mdoc_macro(m, c, line, la, pos, buf)); |
} else if (-1 == c) |
} |
return(0); |
|
|
|
if ( ! mdoc_word_alloc(mdoc, line, la, p)) |
if ( ! mdoc_word_alloc(m, line, la, p)) |
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
} |
|
|
return(rew_elem(mdoc, tok)); |
/* Close out (no delimiters). */ |
|
|
|
return(rew_elem(m, tok)); |
} |
} |
|
|
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
static int |
static int |
obsolete(MACRO_PROT_ARGS) |
ctx_synopsis(MACRO_PROT_ARGS) |
{ |
{ |
|
|
return(mdoc_pwarn(mdoc, line, ppos, EOBS)); |
/* If we're not in the SYNOPSIS, go straight to in-line. */ |
} |
if (SEC_SYNOPSIS != m->lastsec) |
|
return(in_line(m, tok, line, ppos, pos, buf)); |
|
|
|
/* If we're a nested call, same place. */ |
|
if (ppos > 1) |
|
return(in_line(m, tok, line, ppos, pos, buf)); |
|
|
static int |
|
phrase(struct mdoc *mdoc, int line, int ppos, char *buf) |
|
{ |
|
int i, la, c, quoted; |
|
|
|
/* |
/* |
* Parse over words in a phrase. We have to handle this |
* XXX: this will open a block scope; however, if later we end |
* specially because we assume no calling context -- in normal |
* up formatting the block scope, then child nodes will inherit |
* circumstances, we switch argument parsing based on whether |
* the formatting. Be careful. |
* the parent macro accepts quotes, tabs, etc. Here, anything |
|
* goes. |
|
*/ |
*/ |
|
|
for (i = ppos; buf[i]; ) { |
return(blk_part_imp(m, tok, line, ppos, pos, buf)); |
assert(' ' != buf[i]); |
} |
la = i; |
|
quoted = 0; |
|
|
|
/* |
|
* Read to next token. If quoted (check not escaped), |
|
* scan ahead to next unescaped quote. If not quoted or |
|
* escape-quoted, then scan ahead to next space. |
|
*/ |
|
|
|
if ((i && '\"' == buf[i] && '\\' != buf[i - 1]) || |
/* ARGSUSED */ |
(0 == i && '\"' == buf[i])) { |
static int |
for (la = ++i; buf[i]; i++) |
obsolete(MACRO_PROT_ARGS) |
if ('\"' != buf[i]) |
{ |
continue; |
|
else if ('\\' != buf[i - 1]) |
|
break; |
|
if (0 == buf[i]) |
|
return(mdoc_perr(mdoc, line, la, EQUOTPHR)); |
|
quoted = 1; |
|
} else |
|
for ( ; buf[i]; i++) |
|
if (i && ' ' == buf[i]) { |
|
if ('\\' != buf[i - 1]) |
|
break; |
|
} else if (' ' == buf[i]) |
|
break; |
|
|
|
/* If not end-of-line, terminate argument. */ |
return(mdoc_pwarn(m, line, ppos, EOBS)); |
|
} |
|
|
if (buf[i]) |
|
buf[i++] = 0; |
|
|
|
/* Read to next argument. */ |
/* |
|
* Phrases occur within `Bl -column' entries, separated by `Ta' or tabs. |
|
* They're unusual because they're basically free-form text until a |
|
* macro is encountered. |
|
*/ |
|
static int |
|
phrase(struct mdoc *m, int line, int ppos, char *buf) |
|
{ |
|
int c, w, la, pos; |
|
char *p; |
|
|
for ( ; buf[i] && ' ' == buf[i]; i++) |
for (pos = ppos; ; ) { |
/* Spin. */ ; |
la = pos; |
|
|
/* |
/* Note: no calling context! */ |
* If we're a non-quoted string, try to look up the |
w = mdoc_zargs(m, line, &pos, buf, 0, &p); |
* value as a macro and execute it, if found. |
|
*/ |
|
|
|
c = quoted ? MDOC_MAX : |
if (ARGS_ERROR == w) |
mdoc_hash_find(mdoc->htab, &buf[la]); |
return(0); |
|
if (ARGS_EOLN == w) |
|
break; |
|
|
|
c = ARGS_QWORD == w ? MDOC_MAX : lookup_raw(p); |
|
|
if (MDOC_MAX != c) { |
if (MDOC_MAX != c) { |
if ( ! mdoc_macro(mdoc, c, line, la, &i, buf)) |
if ( ! mdoc_macro(m, c, line, la, &pos, buf)) |
return(0); |
return(0); |
return(append_delims(mdoc, line, &i, buf)); |
return(append_delims(m, line, &pos, buf)); |
} |
} |
|
|
/* A regular word or quoted string. */ |
if ( ! mdoc_word_alloc(m, line, la, p)) |
|
|
if ( ! mdoc_word_alloc(mdoc, line, la, &buf[la])) |
|
return(0); |
return(0); |
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
} |
|
|
return(1); |
return(1); |
} |
} |
|
|
|
|