mdocml: Migrate `An' to use a pointer in its data, like everybody else.

mdocml: Migrate `An' to use a pointer in its data, like everybody else.

[kristaps]

Log Message:
-----------
Migrate `An' to use a pointer in its data, like everybody else.  This is
the first step to having a simpler ref-counted system for "data"
associated with a node.

Modified Files:
--------------
    mdocml:
        mdoc.c
        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 1.143
retrieving revision 1.144
diff -Lmdoc_validate.c -Lmdoc_validate.c -u -p -r1.143 -r1.144
--- mdoc_validate.c
+++ mdoc_validate.c
@@ -904,6 +904,9 @@ pre_an(PRE_ARGS)
 {
 	int		 i;
 
+	assert(NULL == n->data.An);
+	n->data.An = mandoc_calloc(1, sizeof(struct mdoc_an));
+
 	if (NULL == n->args)
 		return(1);
 	
@@ -912,9 +915,9 @@ pre_an(PRE_ARGS)
 			n->args->argv[i].pos, MANDOCERR_IGNARGV);
 
 	if (MDOC_Split == n->args->argv[0].arg)
-		n->data.An.auth = AUTH_split;
+		n->data.An->auth = AUTH_split;
 	else if (MDOC_Nosplit == n->args->argv[0].arg)
-		n->data.An.auth = AUTH_nosplit;
+		n->data.An->auth = AUTH_nosplit;
 	else
 		abort();
 
@@ -1247,14 +1250,14 @@ post_an(POST_ARGS)
 	struct mdoc_node *np;
 
 	np = mdoc->last;
-	if (AUTH__NONE != np->data.An.auth && np->child)
+	if (AUTH__NONE != np->data.An->auth && np->child)
 		return(eerr_eq0(mdoc));
 
 	/* 
 	 * FIXME: make this ewarn and make sure that the front-ends
 	 * don't print the arguments.
 	 */
-	if (AUTH__NONE != np->data.An.auth || np->child)
+	if (AUTH__NONE != np->data.An->auth || np->child)
 		return(1);
 
 	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 1.198
retrieving revision 1.199
diff -Lmdoc_term.c -Lmdoc_term.c -u -p -r1.198 -r1.199
--- mdoc_term.c
+++ mdoc_term.c
@@ -1116,10 +1116,10 @@ termp_an_post(DECL_ARGS)
 		return;
 	}
 
-	if (AUTH_split == n->data.An.auth) {
+	if (AUTH_split == n->data.An->auth) {
 		p->flags &= ~TERMP_NOSPLIT;
 		p->flags |= TERMP_SPLIT;
-	} else if (AUTH_nosplit == n->data.An.auth) {
+	} 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 1.107
retrieving revision 1.108
diff -Lmdoc.h -Lmdoc.h -u -p -r1.107 -r1.108
--- mdoc.h
+++ mdoc.h
@@ -359,7 +359,7 @@ struct	mdoc_an {
  * provided, etc.
  */
 union mdoc_data {
-	struct mdoc_an 	  An;
+	struct mdoc_an 	 *An;
 	struct mdoc_bd	 *Bd;
 	struct mdoc_bf	 *Bf;
 	struct mdoc_bl	 *Bl;
Index: mdoc.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc.c,v
retrieving revision 1.169
retrieving revision 1.170
diff -Lmdoc.c -Lmdoc.c -u -p -r1.169 -r1.170
--- mdoc.c
+++ mdoc.c
@@ -526,6 +526,9 @@ mdoc_node_free(struct mdoc_node *p)
 	if (MDOC_Bf == p->tok && MDOC_HEAD == p->type)
 		if (p->data.Bf)
 			free(p->data.Bf);
+	if (MDOC_An == p->tok)
+		if (p->data.An)
+			free(p->data.An);
 
 	if (p->string)
 		free(p->string);
--
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