corrected fmacro rescanning

05/main.c

@@ -1,4 +1,16 @@
-#define TEST(x,y,z) x##y#z
+#define STRINGIFY2(x) #x
-TEST(22,4594,hello there folks)
+#define STRINGIFY(x) STRINGIFY2(x)
+#define X 22
+STRINGIFY(X)
+
+
+#define E 5
+#define D E
+#define C D
+#define B C
+#define A B
+
+int x = E;
+
 main(void) {
 }

05/preprocess.b

@@ -777,10 +777,11 @@ function macro_replacement
 		goto done_replacement
 		
 	:fmacro_argument
-		; write argument to *fmacro_out
+		; write argument to *fmacro_out, performing any necessary macro substitutions
 		q = fmacro_get_arg(filename, line_number, arguments, *1p)
-		fmacro_out = memccpy(fmacro_out, q, 255)
+		:fmacro_arg_replace_loop
-		*1fmacro_out = 0
+			macro_replacement(filename, line_number, &q, &fmacro_out)
+			if *1q != 255 goto fmacro_arg_replace_loop
 		p += 2 ; skip arg idx & null separator
 		goto freplace_loop