rustc: Move codemap to rustsyntax

src/librustsyntax/rustsyntax.rc

@@ -3,3 +3,5 @@
        uuid = "c2b79dd0-a437-4ec7-95f9-858d77808c2f")];
 
 #[crate_type = "lib"];
+
+mod codemap;

src/rustc/rustc.rc

@@ -75,7 +75,6 @@ mod syntax {
 
     mod fold;
     mod visit;
-    mod codemap;
     mod parse {
         mod lexer;
         mod parser;

src/rustc/syntax.rs

@@ -0,0 +1,12 @@
+// Temporary wrapper modules for migrating syntax to its own crate
+import rustsyntax::codemap;
+export codemap;
+
+export ast;
+export ast_util;
+export visit;
+export fold;
+export parse;
+export ext;
+export print;
+export util;