Initial commit

1 files changed, 42 insertions, 0 deletions

diff --git a/unix/boot/spp/rpp/rpprat/errchk.r b/unix/boot/spp/rpp/rpprat/errchk.r
new file mode 100644
index 00000000..4b948936
--- /dev/null
+++ b/unix/boot/spp/rpp/rpprat/errchk.r
@@ -0,0 +1,42 @@
+include defs
+
+# ERRCHK -- Code called to process an ERRCHK declaration.
+
+subroutine errchk
+
+character tok, last_tok, gnbtok, token(MAXTOK)
+integer	ntok
+pointer	mktabl
+include	COMMON_BLOCKS
+string	serrcom1 "logical xerflg, xerpad(84)"
+string	serrcom2 "common /xercom/ xerflg, xerpad"
+
+	ntok = 0
+	tok = 0
+
+	repeat {
+	    last_tok = tok
+	    tok = gnbtok (token, MAXTOK)
+
+	    switch (tok) {
+	    case ALPHA:
+		if (errtbl == NULL) {
+		    errtbl = mktabl(0)			# make empty table
+		    call outtab				# declare err flag
+		    call outstr (serrcom1)
+		    call outdon
+		    call outtab				# declare err common
+		    call outstr (serrcom2)
+		    call outdon
+		}
+		call enter (token, 0, errtbl)		# enter keyw in table
+	    case COMMA:
+		# no action, but required by syntax
+	    case NEWLINE:
+		if (last_tok != COMMA)
+		    break
+	    default:
+		call synerr ("Syntax error in ERRCHK declaration.")
+	    }
+	}
+end