move librustc/plugin to librustc_plugin

this is a [breaking-change] to all plugin authors - sorry

src/test/auxiliary/attr_plugin_test.rs

@@ -16,9 +16,10 @@
 extern crate syntax;
 
 extern crate rustc;
+extern crate rustc_plugin;
 
 use syntax::feature_gate::AttributeType;
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 
 

src/test/auxiliary/custom_derive_plugin.rs

@@ -16,6 +16,7 @@
 
 extern crate syntax;
 extern crate rustc;
+extern crate rustc_plugin;
 
 use syntax::ast;
 use syntax::codemap::Span;
@@ -25,7 +26,7 @@ use syntax::ext::deriving::generic::{cs_fold, TraitDef, MethodDef, combine_subst
 use syntax::ext::deriving::generic::ty::{Literal, LifetimeBounds, Path, borrowed_explicit_self};
 use syntax::parse::token;
 use syntax::ptr::P;
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 #[plugin_registrar]
 pub fn plugin_registrar(reg: &mut Registry) {

src/test/auxiliary/custom_derive_plugin_attr.rs

@@ -16,6 +16,7 @@
 
 extern crate syntax;
 extern crate rustc;
+extern crate rustc_plugin;
 
 use syntax::ast;
 use syntax::attr::AttrMetaMethods;
@@ -27,7 +28,7 @@ use syntax::ext::deriving::generic::{Substructure, Struct, EnumMatching};
 use syntax::ext::deriving::generic::ty::{Literal, LifetimeBounds, Path, borrowed_explicit_self};
 use syntax::parse::token;
 use syntax::ptr::P;
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 #[plugin_registrar]
 pub fn plugin_registrar(reg: &mut Registry) {

src/test/auxiliary/issue_16723_multiple_items_syntax_ext.rs

@@ -15,12 +15,13 @@
 
 extern crate syntax;
 extern crate rustc;
+extern crate rustc_plugin;
 
 use syntax::ast;
 use syntax::codemap;
 use syntax::ext::base::{ExtCtxt, MacResult, MacEager};
 use syntax::util::small_vector::SmallVector;
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 #[plugin_registrar]
 pub fn plugin_registrar(reg: &mut Registry) {

src/test/auxiliary/lint_for_crate.rs

@@ -15,10 +15,11 @@
 
 #[macro_use] extern crate rustc;
 extern crate rustc_front;
+extern crate rustc_plugin;
 extern crate syntax;
 
 use rustc::lint::{LateContext, LintContext, LintPass, LateLintPass, LateLintPassObject, LintArray};
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 use rustc_front::hir;
 use syntax::attr;
 

src/test/auxiliary/lint_group_plugin_test.rs

@@ -18,10 +18,11 @@ extern crate rustc_front;
 // Load rustc as a plugin to get macros
 #[macro_use]
 extern crate rustc;
+extern crate rustc_plugin;
 
 use rustc_front::hir;
 use rustc::lint::{LateContext, LintContext, LintPass, LateLintPass, LateLintPassObject, LintArray};
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
 

src/test/auxiliary/lint_plugin_test.rs

@@ -18,10 +18,11 @@ extern crate syntax;
 // Load rustc as a plugin to get macros
 #[macro_use]
 extern crate rustc;
+extern crate rustc_plugin;
 
 use rustc::lint::{EarlyContext, LintContext, LintPass, EarlyLintPass,
                   EarlyLintPassObject, LintArray};
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 use syntax::ast;
 declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
 

src/test/auxiliary/llvm_pass_plugin.rs

@@ -14,8 +14,9 @@
 #![feature(rustc_private)]
 
 extern crate rustc;
+extern crate rustc_plugin;
 
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 #[plugin_registrar]
 pub fn plugin_registrar(reg: &mut Registry) {

src/test/auxiliary/lto-syntax-extension-plugin.rs

@@ -14,8 +14,9 @@
 #![feature(rustc_private)]
 
 extern crate rustc;
+extern crate rustc_plugin;
 
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 #[plugin_registrar]
 pub fn plugin_registrar(_reg: &mut Registry) {}

src/test/auxiliary/macro_crate_MacroRulesTT.rs

@@ -14,10 +14,11 @@
 
 extern crate syntax;
 extern crate rustc;
+extern crate rustc_plugin;
 
 use syntax::parse::token;
 use syntax::ext::base::MacroRulesTT;
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 #[plugin_registrar]
 pub fn plugin_registrar(reg: &mut Registry) {

src/test/auxiliary/macro_crate_test.rs

@@ -14,13 +14,14 @@
 
 extern crate syntax;
 extern crate rustc;
+extern crate rustc_plugin;
 
 use syntax::ast::{self, TokenTree, Item, MetaItem, ImplItem, TraitItem};
 use syntax::codemap::Span;
 use syntax::ext::base::*;
 use syntax::parse::{self, token};
 use syntax::ptr::P;
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 #[macro_export]
 macro_rules! exported_macro { () => (2) }

src/test/auxiliary/plugin_args.rs

@@ -15,6 +15,7 @@
 
 extern crate syntax;
 extern crate rustc;
+extern crate rustc_plugin;
 
 use std::borrow::ToOwned;
 use syntax::ast;
@@ -24,7 +25,7 @@ use syntax::ext::base::{TTMacroExpander, ExtCtxt, MacResult, MacEager, NormalTT}
 use syntax::parse::token;
 use syntax::print::pprust;
 use syntax::ptr::P;
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 struct Expander {
     args: Vec<P<ast::MetaItem>>,

src/test/auxiliary/plugin_crate_outlive_expansion_phase.rs

@@ -14,10 +14,11 @@
 #![feature(box_syntax, rustc_private)]
 
 extern crate rustc;
+extern crate rustc_plugin;
 
 use std::any::Any;
 use std::cell::RefCell;
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 struct Foo {
     foo: isize

src/test/auxiliary/plugin_with_plugin_lib.rs

@@ -15,8 +15,9 @@
 
 extern crate macro_crate_test;
 extern crate rustc;
+extern crate rustc_plugin;
 
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 #[plugin_registrar]
 pub fn plugin_registrar(_: &mut Registry) { }

src/test/auxiliary/procedural_mbe_matching.rs

@@ -15,6 +15,7 @@
 
 extern crate syntax;
 extern crate rustc;
+extern crate rustc_plugin;
 
 use syntax::codemap::Span;
 use syntax::parse::token::{self, str_to_ident, NtExpr, NtPat};
@@ -24,7 +25,7 @@ use syntax::ext::build::AstBuilder;
 use syntax::ext::tt::macro_parser::{MatchedSeq, MatchedNonterminal};
 use syntax::ext::tt::macro_parser::{Success, Failure, Error};
 use syntax::ptr::P;
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 fn expand_mbe_matches(cx: &mut ExtCtxt, sp: Span, args: &[TokenTree])
         -> Box<MacResult + 'static> {

src/test/auxiliary/rlib_crate_test.rs

@@ -14,8 +14,9 @@
 #![feature(plugin_registrar, rustc_private)]
 
 extern crate rustc;
+extern crate rustc_plugin;
 
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 #[plugin_registrar]
 pub fn plugin_registrar(_: &mut Registry) {}

src/test/auxiliary/roman_numerals.rs

@@ -16,13 +16,14 @@
 
 extern crate syntax;
 extern crate rustc;
+extern crate rustc_plugin;
 
 use syntax::codemap::Span;
 use syntax::ast::TokenTree;
 use syntax::parse::token;
 use syntax::ext::base::{ExtCtxt, MacResult, DummyResult, MacEager};
 use syntax::ext::build::AstBuilder;  // trait for expr_usize
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 // WARNING WARNING WARNING WARNING WARNING
 // =======================================

src/test/auxiliary/syntax_extension_with_dll_deps_2.rs

@@ -16,11 +16,12 @@
 extern crate syntax_extension_with_dll_deps_1 as other;
 extern crate syntax;
 extern crate rustc;
+extern crate rustc_plugin;
 
 use syntax::ast::{TokenTree, Item, MetaItem};
 use syntax::codemap::Span;
 use syntax::ext::base::*;
-use rustc::plugin::Registry;
+use rustc_plugin::Registry;
 
 #[plugin_registrar]
 pub fn plugin_registrar(reg: &mut Registry) {