go generate commands for building grammar

Author: ncw

parser/parser.go

@@ -0,0 +1,7 @@
+// This file holds the go generate command to run yacc on the grammar in grammar.y.
+// To build y.go:
+//      % go generate
+//      % go build
+
+//go:generate go tool yacc -v y.output grammar.y
+package parser