Cache all of `Bd's resolved arguments into mdoc_bd, which is stashed in

the "data" union in mdoc_node.  Allows me to remove some ugly loops in
the front-end and duplicate tests in mdoc_action.c.  Add a regression
test to make sure we're not doing anything bad (more to come).

1 files changed, 7 insertions, 1 deletions

diff --git a/mdoc.h b/mdoc.h
index 07490544..def26d77 100644
--- a/mdoc.h
+++ b/mdoc.h
@@ -272,6 +272,12 @@ enum	mdoc_disp {
 	DISP_literal
 };
 
+struct	mdoc_bd {
+	const char	 *offs;
+	enum mdoc_disp	  type;
+	int		  comp;
+};
+
 /* Node in AST. */
 struct	mdoc_node {
 	struct mdoc_node *parent; /* parent AST node */
@@ -300,7 +306,7 @@ struct	mdoc_node {
 
 	union {
 		enum mdoc_list list; /* `Bl' nodes */
-		enum mdoc_disp disp; /* `Bd' nodes */
+		struct mdoc_bd Bd;
 	} data;
 };