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authorKristaps Dzonsons <kristaps@bsd.lv>2010-05-09 10:17:02 +0000
committerKristaps Dzonsons <kristaps@bsd.lv>2010-05-09 10:17:02 +0000
commit5ac97cb3d8b44fcf22555ed7b8303aceb8c4146f (patch)
treefe91b2c1c01a2e1a5c6f9bd53743cdaaac472b9b /mdoc_macro.c
parenteffe920baea8cc9b69fb590ef1e1322b390439a6 (diff)
downloadmandoc-5ac97cb3d8b44fcf22555ed7b8303aceb8c4146f.tar.gz
Introduce ARGS_PEND for `It -column' end-of-line special casing.
Initial rules for insane `It -column' tabsep handling.
Diffstat (limited to 'mdoc_macro.c')
-rw-r--r--mdoc_macro.c58
1 files changed, 44 insertions, 14 deletions
diff --git a/mdoc_macro.c b/mdoc_macro.c
index 414f284e..f6df7e40 100644
--- a/mdoc_macro.c
+++ b/mdoc_macro.c
@@ -47,7 +47,8 @@ static int append_delims(struct mdoc *,
int, int *, char *);
static enum mdoct lookup(enum mdoct, const char *);
static enum mdoct lookup_raw(const char *);
-static int phrase(struct mdoc *, int, int, char *);
+static int phrase(struct mdoc *, int, int,
+ char *, enum margserr, int);
static enum mdoct rew_alt(enum mdoct);
static int rew_dobreak(enum mdoct,
const struct mdoc_node *);
@@ -883,7 +884,7 @@ in_line(MACRO_PROT_ARGS)
static int
blk_full(MACRO_PROT_ARGS)
{
- int la;
+ int la, pcnt;
struct mdoc_arg *arg;
struct mdoc_node *head; /* save of head macro */
struct mdoc_node *body; /* save of body macro */
@@ -891,7 +892,7 @@ blk_full(MACRO_PROT_ARGS)
struct mdoc_node *n;
#endif
enum mdoct ntok;
- enum margserr ac;
+ enum margserr ac, lac;
enum margverr av;
char *p;
@@ -952,8 +953,11 @@ blk_full(MACRO_PROT_ARGS)
body = m->last;
}
- for (;;) {
+ ac = ARGS_ERROR;
+
+ for (pcnt = 0; ; ) {
la = *pos;
+ lac = ac;
ac = mdoc_args(m, line, pos, buf, tok, &p);
if (ARGS_ERROR == ac)
@@ -963,8 +967,10 @@ blk_full(MACRO_PROT_ARGS)
/* Don't emit leading punct. for phrases. */
- if (NULL == head && ARGS_PHRASE != ac &&
+ if (NULL == head &&
+ ARGS_PHRASE != ac &&
ARGS_PPHRASE != ac &&
+ ARGS_PEND != ac &&
ARGS_QWORD != ac &&
1 == mdoc_isdelim(p)) {
if ( ! mdoc_word_alloc(m, line, la, p))
@@ -974,15 +980,30 @@ blk_full(MACRO_PROT_ARGS)
/* Always re-open head for phrases. */
- if (NULL == head || ARGS_PHRASE == ac ||
+ if (NULL == head ||
+ ARGS_PHRASE == ac ||
+ ARGS_PEND == ac ||
ARGS_PPHRASE == ac) {
if ( ! mdoc_head_alloc(m, line, ppos, tok))
return(0);
head = m->last;
}
- if (ARGS_PHRASE == ac || ARGS_PPHRASE == ac) {
- if ( ! phrase(m, line, la, buf))
+ if (ARGS_PHRASE == ac ||
+ ARGS_PEND == ac ||
+ ARGS_PPHRASE == ac) {
+ /*
+ * Special treatment for the last phrase. A
+ * prior ARGS_PHRASE gets is handled as a
+ * regular ARGS_PHRASE, but a prior ARGS_PPHRASE
+ * has special handling.
+ */
+ if (ARGS_PEND == ac && ARGS_ERROR == lac)
+ ac = ARGS_PHRASE;
+ else if (ARGS_PEND == ac && ARGS_PHRASE == lac)
+ ac = ARGS_PHRASE;
+
+ if ( ! phrase(m, line, la, buf, ac, pcnt++))
return(0);
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
return(0);
@@ -1505,25 +1526,34 @@ obsolete(MACRO_PROT_ARGS)
* macro is encountered.
*/
static int
-phrase(struct mdoc *m, int line, int ppos, char *buf)
+phrase(struct mdoc *m, int line, int ppos, char *buf,
+ enum margserr ac, int count)
{
int la, pos;
- enum margserr ac;
+ enum margserr aac;
enum mdoct ntok;
char *p;
+ assert(ARGS_PHRASE == ac ||
+ ARGS_PEND == ac ||
+ ARGS_PPHRASE == ac);
+
+ if (count && ARGS_PPHRASE == ac)
+ return(mdoc_word_alloc(m, line, ppos, &buf[ppos]));
+
for (pos = ppos; ; ) {
la = pos;
/* Note: no calling context! */
- ac = mdoc_zargs(m, line, &pos, buf, 0, &p);
+ aac = mdoc_zargs(m, line, &pos, buf, 0, &p);
- if (ARGS_ERROR == ac)
+ if (ARGS_ERROR == aac)
return(0);
- if (ARGS_EOLN == ac)
+ if (ARGS_EOLN == aac)
break;
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p);
+ ntok = ARGS_QWORD == aac || ARGS_PEND == ac ?
+ MDOC_MAX : lookup_raw(p);
if (MDOC_MAX == ntok) {
if ( ! mdoc_word_alloc(m, line, la, p))