From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 8 Jul 2015 20:46:52 -0400
Subject: Initial commit

---
 unix/boot/spp/rpp/rpprat/errgo.r | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 unix/boot/spp/rpp/rpprat/errgo.r

(limited to 'unix/boot/spp/rpp/rpprat/errgo.r')

diff --git a/unix/boot/spp/rpp/rpprat/errgo.r b/unix/boot/spp/rpp/rpprat/errgo.r
new file mode 100644
index 00000000..81aa582c
--- /dev/null
+++ b/unix/boot/spp/rpp/rpprat/errgo.r
@@ -0,0 +1,29 @@
+include defs
+
+# ERRGO -- Ouput error checking code.
+
+subroutine errgo
+
+include COMMON_BLOCKS
+string	serrchk "if (xerflg) "
+
+	# In the processing of the last line, was an indentifier encountered
+	# for which error checking is required (named in errchk declaration)?
+
+	if (ername == YES) {
+	    call outtab
+	    if (esp > 0) {				# in iferr ... stmt?
+		# Omit goto if goto statement label number is zero.  This
+		# happens in "iferr (...)" statements.
+		if (errstk(esp) > 0) {
+		    call outstr (serrchk)
+		    call ogotos (errstk(esp)+2, NO)	# "goto lab"
+		}
+	    } else {
+		call outstr (serrchk)
+		call ogotos (retlab, NO)
+		call outdon
+	    }
+	    ername = NO
+	}
+end
-- 
cgit