Rename directories for some crates from `syntax_x` to `rustc_x`

`syntax_expand` -> `rustc_expand`
`syntax_pos` -> `rustc_span`
`syntax_ext` -> `rustc_builtin_macros`

1 files changed, 0 insertions, 72 deletions

diff --git a/src/libsyntax_expand/mut_visit/tests.rs b/src/libsyntax_expand/mut_visit/tests.rs
deleted file mode 100644
index 003ce0fcb1f..00000000000
--- a/src/libsyntax_expand/mut_visit/tests.rs
+++ /dev/null
@@ -1,72 +0,0 @@
-use crate::tests::{matches_codepattern, string_to_crate};
-
-use syntax::ast::{self, Ident};
-use syntax::mut_visit::{self, MutVisitor};
-use syntax::print::pprust;
-use syntax::with_default_globals;
-
-// This version doesn't care about getting comments or doc-strings in.
-fn fake_print_crate(s: &mut pprust::State<'_>, krate: &ast::Crate) {
-    s.print_mod(&krate.module, &krate.attrs)
-}
-
-// Change every identifier to "zz".
-struct ToZzIdentMutVisitor;
-
-impl MutVisitor for ToZzIdentMutVisitor {
-    fn visit_ident(&mut self, ident: &mut ast::Ident) {
-        *ident = Ident::from_str("zz");
-    }
-    fn visit_mac(&mut self, mac: &mut ast::Mac) {
-        mut_visit::noop_visit_mac(mac, self)
-    }
-}
-
-// Maybe add to `expand.rs`.
-macro_rules! assert_pred {
-    ($pred:expr, $predname:expr, $a:expr , $b:expr) => {{
-        let pred_val = $pred;
-        let a_val = $a;
-        let b_val = $b;
-        if !(pred_val(&a_val, &b_val)) {
-            panic!("expected args satisfying {}, got {} and {}", $predname, a_val, b_val);
-        }
-    }};
-}
-
-// Make sure idents get transformed everywhere.
-#[test]
-fn ident_transformation() {
-    with_default_globals(|| {
-        let mut zz_visitor = ToZzIdentMutVisitor;
-        let mut krate =
-            string_to_crate("#[a] mod b {fn c (d : e, f : g) {h!(i,j,k);l;m}}".to_string());
-        zz_visitor.visit_crate(&mut krate);
-        assert_pred!(
-            matches_codepattern,
-            "matches_codepattern",
-            pprust::to_string(|s| fake_print_crate(s, &krate)),
-            "#[zz]mod zz{fn zz(zz:zz,zz:zz){zz!(zz,zz,zz);zz;zz}}".to_string()
-        );
-    })
-}
-
-// Make sure idents get transformed even inside macro defs.
-#[test]
-fn ident_transformation_in_defs() {
-    with_default_globals(|| {
-        let mut zz_visitor = ToZzIdentMutVisitor;
-        let mut krate = string_to_crate(
-            "macro_rules! a {(b $c:expr $(d $e:token)f+ => \
-            (g $(d $d $e)+))} "
-                .to_string(),
-        );
-        zz_visitor.visit_crate(&mut krate);
-        assert_pred!(
-            matches_codepattern,
-            "matches_codepattern",
-            pprust::to_string(|s| fake_print_crate(s, &krate)),
-            "macro_rules! zz{(zz$zz:zz$(zz $zz:zz)zz+=>(zz$(zz$zz$zz)+))}".to_string()
-        );
-    })
-}