First step of adding register support. This is inspired by a significant

patch by schwarze@.  This commit adds support to libroff parsing `nr'
into register set defined in regs.h.  This will propogate into libmdoc
and libman in later commits.

1 files changed, 39 insertions, 0 deletions

diff --git a/regs.h b/regs.h
new file mode 100644
index 00000000..b42e1d15
--- /dev/null
+++ b/regs.h
@@ -0,0 +1,39 @@
+/*	$Id: regs.h,v 1.1 2010/06/26 15:22:19 kristaps Exp $ */
+/*
+ * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef REGS_H
+#define REGS_H
+
+__BEGIN_DECLS
+
+enum	regs {
+	REG_nS = 0,	/* nS */
+	REG__MAX
+};
+
+/*
+ * Registers are passed into libmdoc and libman.  They refer to some
+ * sort of external state.
+ */
+struct	regset {
+	union {
+		int	 i; /* integer value */
+	} regs[REG__MAX];
+};
+
+__END_DECLS
+
+#endif /*!REGS_H*/