diff --git a/prospect/support/dsl.rkt b/prospect/support/dsl.rkt
new file mode 100644
index 0000000..4096aed
--- /dev/null
+++ b/prospect/support/dsl.rkt
@@ -0,0 +1,12 @@
+#lang racket/base
+
+(require (for-syntax racket/base))
+(provide define&provide-dsl-helper-syntaxes)
+
+(define (illegal-use id context stx)
+  (raise-syntax-error #f (format "Illegal use of ~a outside ~a" id context) stx))
+
+(define-syntax-rule (define&provide-dsl-helper-syntaxes context (identifier ...))
+  (begin (provide identifier ...)
+	 (define-syntax (identifier stx) (illegal-use 'identifier context stx))
+         ...))