version 1.33, 2010/04/02 11:39:00 |
version 1.34, 2010/04/02 12:39:47 |
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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 int 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_sub(enum mdoc_type, struct mdoc *, |
static int rew_sub(enum mdoc_type, struct mdoc *, |
int, int, int); |
enum mdoct, int, int); |
static int rew_last(struct mdoc *, |
static int rew_last(struct mdoc *, |
const struct mdoc_node *); |
const struct mdoc_node *); |
static int append_delims(struct mdoc *, int, int *, char *); |
static int append_delims(struct mdoc *, int, int *, char *); |
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* Return the opening macro of a closing one, e.g., `Ec' has `Eo' as its |
* Return the opening macro of a closing one, e.g., `Ec' has `Eo' as its |
* matching pair. |
* matching pair. |
*/ |
*/ |
static int |
static enum mdoct |
rew_alt(int tok) |
rew_alt(enum mdoct tok) |
{ |
{ |
switch (tok) { |
switch (tok) { |
case (MDOC_Ac): |
case (MDOC_Ac): |
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* 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 int |
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) |
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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); |
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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; |
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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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static int |
static int |
rew_sub(enum mdoc_type t, struct mdoc *m, |
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; |
int c; |
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return(0); |
return(0); |
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/* |
/* |
* The current block extends an enclosing block beyond a line break. |
* The current block extends an enclosing block beyond a line |
* Now that the current block ends, close the enclosing block, too. |
* break. Now that the current block ends, close the enclosing |
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* block, too. |
*/ |
*/ |
if ((n = n->pending) != NULL) { |
if (NULL != (n = n->pending)) { |
assert(MDOC_HEAD == n->type); |
assert(MDOC_HEAD == n->type); |
if ( ! rew_last(m, n)) |
if ( ! rew_last(m, n)) |
return(0); |
return(0); |
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int c, la; |
int c, la; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
struct mdoc_node *head; /* save of head macro */ |
struct mdoc_node *head; /* save of head macro */ |
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struct mdoc_node *body; /* save of body macro */ |
struct mdoc_node *n; |
struct mdoc_node *n; |
char *p; |
char *p; |
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if ( ! mdoc_block_alloc(m, line, ppos, tok, arg)) |
if ( ! mdoc_block_alloc(m, line, ppos, tok, arg)) |
return(0); |
return(0); |
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head = NULL; |
head = body = NULL; |
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/* |
/* |
* The `Nd' macro has all arguments in its body: it's a hybrid |
* The `Nd' macro has all arguments in its body: it's a hybrid |
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return(0); |
return(0); |
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
if ( ! mdoc_body_alloc(m, line, ppos, tok)) |
return(0); |
return(0); |
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body = m->last; |
} |
} |
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for (;;) { |
for (;;) { |
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if (1 == ppos && ! append_delims(m, line, pos, buf)) |
if (1 == ppos && ! append_delims(m, line, pos, buf)) |
return(0); |
return(0); |
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/* See notes on `Nd' hybrid, above. */ |
/* If we've already opened our body, exit now. */ |
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if (MDOC_Nd == tok) |
if (NULL != body) |
return(1); |
return(1); |
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/* |
/* |
* If there is an open sub-block requiring explicit close-out, |
* If there is an open (i.e., unvalidated) sub-block requiring |
* postpone switching the current block from head to body |
* explicit close-out, postpone switching the current block from |
* until the rew_sub() call closing out that sub-block. |
* head to body until the rew_sub() call closing out that |
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* sub-block. |
*/ |
*/ |
for (n = m->last; n && n != head; n = n->parent) { |
for (n = m->last; n && n != head; n = n->parent) { |
if (MDOC_BLOCK == n->type && |
if (MDOC_BLOCK == n->type && |
MDOC_EXPLICIT & mdoc_macros[n->tok].flags) { |
MDOC_EXPLICIT & mdoc_macros[n->tok].flags && |
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! (MDOC_VALID & n->flags)) { |
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assert( ! (MDOC_ACTED & n->flags)); |
n->pending = head; |
n->pending = head; |
return(1); |
return(1); |
} |
} |
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* If we can't rewind to our body, then our scope has already |
* If we can't rewind to our body, then our scope has already |
* been closed by another macro (like `Oc' closing `Op'). This |
* been closed by another macro (like `Oc' closing `Op'). This |
* is ugly behaviour nodding its head to OpenBSD's overwhelming |
* is ugly behaviour nodding its head to OpenBSD's overwhelming |
* crufty use of `Op' breakage. XXX: DEPRECATE. |
* crufty use of `Op' breakage. |
*/ |
*/ |
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for (n = m->last; n; n = n->parent) |
for (n = m->last; n; n = n->parent) |
if (body == n) |
if (body == n) |
break; |
break; |