version 1.66, 2009/03/11 00:39:58 |
version 1.67, 2009/03/12 02:57:36 |
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/* FIXME: .Fl, .Ar, .Cd handling of `|'. */ |
/* FIXME: .Fl, .Ar, .Cd handling of `|'. */ |
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static int macro_obsolete(MACRO_PROT_ARGS); |
static int macro_obsolete(MACRO_PROT_ARGS); |
static int macro_constant(MACRO_PROT_ARGS); |
static int macro_constant(MACRO_PROT_ARGS); |
static int macro_constant_scoped(MACRO_PROT_ARGS); |
static int macro_constant_scoped(MACRO_PROT_ARGS); |
static int macro_constant_delimited(MACRO_PROT_ARGS); |
static int macro_constant_delimited(MACRO_PROT_ARGS); |
static int macro_text(MACRO_PROT_ARGS); |
static int macro_text(MACRO_PROT_ARGS); |
static int macro_scoped(MACRO_PROT_ARGS); |
static int macro_scoped(MACRO_PROT_ARGS); |
static int macro_scoped_close(MACRO_PROT_ARGS); |
static int macro_scoped_close(MACRO_PROT_ARGS); |
static int macro_scoped_line(MACRO_PROT_ARGS); |
static int macro_scoped_line(MACRO_PROT_ARGS); |
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static int macro_phrase(struct mdoc *, int, char *); |
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#define REWIND_REWIND (1 << 0) |
#define REWIND_REWIND (1 << 0) |
#define REWIND_NOHALT (1 << 1) |
#define REWIND_NOHALT (1 << 1) |
Line 192 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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Line 193 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
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/* |
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* This is called at the end of parsing. It must traverse up the tree, |
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* closing out open [implicit] scopes. Obviously, open explicit scopes |
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* are errors. |
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*/ |
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int |
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macro_end(struct mdoc *mdoc) |
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{ |
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struct mdoc_node *n; |
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assert(mdoc->first); |
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assert(mdoc->last); |
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/* Scan for open explicit scopes. */ |
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n = MDOC_VALID & mdoc->last->flags ? |
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mdoc->last->parent : mdoc->last; |
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for ( ; n; n = n->parent) { |
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if (MDOC_BLOCK != n->type) |
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continue; |
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if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
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continue; |
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return(mdoc_nerr(mdoc, n, |
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"macro scope still open on exit")); |
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} |
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return(rewind_last(mdoc, mdoc->first)); |
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} |
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static int |
static int |
perr(struct mdoc *mdoc, int line, int pos, int type) |
perr(struct mdoc *mdoc, int line, int pos, int type) |
{ |
{ |
Line 890 macro_text(MACRO_PROT_ARGS) |
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Line 922 macro_text(MACRO_PROT_ARGS) |
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* TEXT (`Another.') |
* TEXT (`Another.') |
* |
* |
* Note that the `.It' macro, possibly the most difficult (as it has |
* Note that the `.It' macro, possibly the most difficult (as it has |
* embedded scope, etc.) is handled by this routine. |
* embedded scope, etc.) is handled by this routine. It handles |
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* columnar output, where columns are "phrases" and denote multiple |
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* block heads. |
*/ |
*/ |
static int |
static int |
macro_scoped(MACRO_PROT_ARGS) |
macro_scoped(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg; |
int c, lastarg, reopen; |
struct mdoc_arg *arg; |
struct mdoc_arg *arg; |
char *p; |
char *p; |
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Line 947 macro_scoped(MACRO_PROT_ARGS) |
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Line 981 macro_scoped(MACRO_PROT_ARGS) |
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if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
if ( ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
return(0); |
return(0); |
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/* Indicate that columnar scope shouldn't be reopened. */ |
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reopen = 0; |
mdoc->next = MDOC_NEXT_CHILD; |
mdoc->next = MDOC_NEXT_CHILD; |
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for (;;) { |
for (;;) { |
Line 958 macro_scoped(MACRO_PROT_ARGS) |
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Line 995 macro_scoped(MACRO_PROT_ARGS) |
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if (ARGS_EOLN == c) |
if (ARGS_EOLN == c) |
break; |
break; |
if (ARGS_PHRASE == c) { |
if (ARGS_PHRASE == c) { |
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if (reopen && ! mdoc_head_alloc(mdoc, line, ppos, tok)) |
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return(0); |
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mdoc->next = MDOC_NEXT_CHILD; |
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/* |
/* |
if ( ! mdoc_phrase(mdoc, line, lastarg, buf)) |
* Phrases are self-contained macro phrases used |
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* in the columnar output of a macro. They need |
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* special handling. |
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*/ |
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if ( ! macro_phrase(mdoc, line, p)) |
return(0); |
return(0); |
*/ |
if ( ! rewind_subblock(MDOC_HEAD, mdoc, tok, line, ppos)) |
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return(0); |
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reopen = 1; |
continue; |
continue; |
} |
} |
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/* FIXME: if .It -column, the lookup must be for a |
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* sub-line component. BLAH. */ |
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if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
if (-1 == (c = lookup(mdoc, line, lastarg, tok, p))) |
return(0); |
return(0); |
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Line 1409 macro_obsolete(MACRO_PROT_ARGS) |
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Line 1454 macro_obsolete(MACRO_PROT_ARGS) |
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} |
} |
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/* |
static int |
* This is called at the end of parsing. It must traverse up the tree, |
macro_phrase(struct mdoc *mdoc, int line, int ppos, char *buf) |
* closing out open [implicit] scopes. Obviously, open explicit scopes |
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* are errors. |
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*/ |
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int |
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macro_end(struct mdoc *mdoc) |
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{ |
{ |
struct mdoc_node *n; |
int i, la, c; |
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assert(mdoc->first); |
i = ppos; |
assert(mdoc->last); |
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/* Scan for open explicit scopes. */ |
again: |
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la = i; |
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while (buf[i] && ! isspace((unsigned char)buf[i])) |
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i++; |
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n = MDOC_VALID & mdoc->last->flags ? |
if (0 == buf[i]) |
mdoc->last->parent : mdoc->last; |
return(mdoc_word_alloc(mdoc, line, la, buf)); |
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for ( ; n; n = n->parent) { |
buf[i] = 0; |
if (MDOC_BLOCK != n->type) |
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continue; |
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if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags)) |
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continue; |
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return(mdoc_nerr(mdoc, n, |
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"macro scope still open on exit")); |
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} |
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return(rewind_last(mdoc, mdoc->first)); |
if (MDOC_MAX == (c = mdoc_tokhash_find(mdoc->htab, p))) { |
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if ( ! mdoc_word_alloc(mdoc, line, |
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} |
} |
} |