lex: implement basic function-like macro functionality

2 files changed, 9 insertions, 6 deletions

diff --git a/test/pp.c b/test/pp.c
index ee4b98a..2e6193e 100644
--- a/test/pp.c
+++ b/test/pp.c
@@ -5,6 +5,5 @@
 int
 main(void)
 {
-   hi();
-   return Foo + Bar;
+   hi(ADD(Foo, SQR(Bar+1)));
 }
diff --git a/test/pp.h b/test/pp.h
index 80042fd..e914800 100644
--- a/test/pp.h
+++ b/test/pp.h
@@ -3,12 +3,16 @@
 
 extern warnhere();
 #define Foo 9
-void hi() {
-   extern int printf();
-   printf("hi from header\n");
+void hi(int x) {
+   extern int printf(const char *, ...);
+   printf("hi from header ;%d\n", x);
 }
-
+#if 1
+#endif
 #elifndef Ww
 #define Bar 7
+#define SQR_(x) (x)*(x)
+#define SQR(y) SQR_(y)
+#define ADD(a,b) (a)+(b)
 
 #endif