WIP: macro games

Author: gavrie

Cargo.toml

@@ -16,6 +16,10 @@ crate-type = ["cdylib"]
 name = "data_type"
 crate-type = ["cdylib"]
 
+[[example]]
+name = "macro_games"
+crate-type = ["cdylib"]
+
 [dependencies]
 bitflags = "1.0"
 libc = "0.2"

examples/macro_games.rs

@@ -0,0 +1,44 @@
+//#![feature(trace_macros)]
+
+#[macro_export]
+macro_rules! foo {
+    ( $prefix:ident, $( $x:ident ),* ) => {
+        $(
+            #[no_mangle]
+            extern fn $prefix$x() { let i = $x; }
+        )*
+    };
+}
+
+//trace_macros!(true);
+//foo![prefix, alloc_set, alloc_get, alloc_del];
+//trace_macros!(false);
+
+fn bar() {
+    let v = vec![1,2,3];
+    stringify!(1);
+}
+
+fn foo1() {
+    #[no_mangle]
+    extern fn foo1a() {}
+}
+
+fn foo2() {
+//    #[no_mangle]
+    extern fn foo1a() {}
+}
+
+#[macro_export]
+macro_rules! vec {
+    ( $( $x:expr ),* ) => {
+        {
+            let mut temp_vec = Vec::new();
+            $(
+                temp_vec.push($x);
+            )*
+            temp_vec
+        }
+    };
+}
+