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Date: Fri, 2 Jul 2010 11:03:14 -0400 (EDT)
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From: kristaps@mdocml.bsd.lv
To: source@mdocml.bsd.lv
Subject: mdocml: Cached `An' arguments in struct mdoc_an.
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Log Message:
-----------
Cached `An' arguments in struct mdoc_an.  Note that this isn't a
pointer like the other data members, as there's no need to copy it around.

Modified Files:
--------------
    mdocml:
        mdoc.h
        mdoc_term.c
        mdoc_validate.c

Revision Data
-------------
Index: mdoc_validate.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc_validate.c,v
retrieving revision 1.106
retrieving revision 1.107
diff -Lmdoc_validate.c -Lmdoc_validate.c -u -p -r1.106 -r1.107
--- mdoc_validate.c
+++ mdoc_validate.c
@@ -849,13 +849,20 @@ static int
 pre_an(PRE_ARGS)
 {
 
-	if (NULL == n->args || 1 == n->args->argc)
+	if (NULL == n->args)
 		return(1);
-	mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT, 
-				n->line, n->pos,
-				"line arguments == 1 (have %d)",
-				n->args->argc);
-	return(0);
+	if (n->args->argc > 1)
+		if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGCOUNT))
+			return(0);
+
+	if (MDOC_Split == n->args->argv[0].arg)
+		n->data.An.auth = AUTH_split;
+	else if (MDOC_Nosplit == n->args->argv[0].arg)
+		n->data.An.auth = AUTH_nosplit;
+	else
+		abort();
+
+	return(1);
 }
 
 
@@ -1076,16 +1083,14 @@ post_at(POST_ARGS)
 static int
 post_an(POST_ARGS)
 {
+	struct mdoc_node *np;
 
-	if (mdoc->last->args) {
-		if (NULL == mdoc->last->child)
-			return(1);
-		return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGCOUNT));
-	}
-
-	if (mdoc->last->child)
+	np = mdoc->last;
+	if (AUTH__NONE != np->data.An.auth && np->child)
+		return(mdoc_nmsg(mdoc, np, MANDOCERR_ARGCOUNT));
+	if (AUTH__NONE != np->data.An.auth || np->child)
 		return(1);
-	return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS));
+	return(mdoc_nmsg(mdoc, np, MANDOCERR_NOARGS));
 }
 
 
Index: mdoc_term.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc_term.c,v
retrieving revision 1.167
retrieving revision 1.168
diff -Lmdoc_term.c -Lmdoc_term.c -u -p -r1.167 -r1.168
--- mdoc_term.c
+++ mdoc_term.c
@@ -57,7 +57,6 @@ static	size_t	  a2width(const struct ter
 static	size_t	  a2height(const struct termp *, const char *);
 static	size_t	  a2offs(const struct termp *, const char *);
 
-static	int	  arg_hasattr(int, const struct mdoc_node *);
 static	int	  arg_getattr(int, const struct mdoc_node *);
 static	void	  print_bvspace(struct termp *,
 			const struct mdoc_node *,
@@ -528,18 +527,6 @@ a2offs(const struct termp *p, const char
 
 
 /*
- * Return 1 if an argument has a particular argument value or 0 if it
- * does not.  See arg_getattr().
- */
-static int
-arg_hasattr(int arg, const struct mdoc_node *n)
-{
-
-	return(-1 != arg_getattr(arg, n));
-}
-
-
-/*
  * Get the index of an argument in a node's argument list or -1 if it
  * does not exist.
  */
@@ -1141,10 +1128,10 @@ termp_an_post(DECL_ARGS)
 		return;
 	}
 
-	if (arg_hasattr(MDOC_Split, n)) {
+	if (AUTH_split == n->data.An.auth) {
 		p->flags &= ~TERMP_NOSPLIT;
 		p->flags |= TERMP_SPLIT;
-	} else {
+	} else if (AUTH_nosplit == n->data.An.auth) {
 		p->flags &= ~TERMP_SPLIT;
 		p->flags |= TERMP_NOSPLIT;
 	}
Index: mdoc.h
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc.h,v
retrieving revision 1.98
retrieving revision 1.99
diff -Lmdoc.h -Lmdoc.h -u -p -r1.98 -r1.99
--- mdoc.h
+++ mdoc.h
@@ -279,6 +279,12 @@ enum	mdoc_disp {
 	DISP_literal
 };
 
+enum	mdoc_auth {
+	AUTH__NONE = 0,
+	AUTH_split,
+	AUTH_nosplit
+};
+
 enum	mdoc_font {
 	FONT__NONE = 0,
 	FONT_Em,
@@ -303,6 +309,10 @@ struct	mdoc_bf {
 	enum mdoc_font	  font; /* font */
 };
 
+struct	mdoc_an {
+	enum mdoc_auth	  auth; /* -split, etc. */
+};
+
 /* Node in AST. */
 struct	mdoc_node {
 	struct mdoc_node *parent; /* parent AST node */
@@ -332,6 +342,7 @@ struct	mdoc_node {
 	enum mdoc_endbody end;		/* BODY */
 
 	union {
+		struct mdoc_an  An;
 		struct mdoc_bd *Bd;
 		struct mdoc_bf *Bf;
 		struct mdoc_bl *Bl;
--
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