add tests for recursive preprocessor defines

xa/tests/ppdefines/Makefile

@@ -0,0 +1,13 @@
+
+XA=../../xa
+
+all: test1 clean
+
+clean:
+	rm a.o65
+
+%:%.a65
+	${XA} $<
+	cmp a.o65 $@.o65
+
+

xa/tests/ppdefines/test1.a65

@@ -0,0 +1,32 @@
+
+#define	macro1()	\
+	lda #0
+
+#define	macro2(a)	\
+	lda #(a)
+
+#define	macro3(a,b)	\
+	lda #(a):	\
+	ldy #(b)
+
+#define	const1		$40
+
+#define	func1(a)	(a) | $20
+
+	*=$c000
+	
+	macro1()
+
+	macro2(2)
+
+	macro3(2,3)
+
+	lda #(2) | $20
+	lda #func1(2)
+
+	macro2(func1(3))
+
+	macro3(const1, func1(5))
+
+	macro3(func1(const1), func1(func1(const1)))
+