Remove quote_*! macros and associated APIs

Author: Mark-Simulacrum

src/doc/unstable-book/src/language-features/plugin.md

@@ -52,14 +52,15 @@ that implements Roman numeral integer literals.
 #![feature(plugin_registrar, rustc_private)]
 
 extern crate syntax;
+extern crate syntax_pos;
 extern crate rustc;
 extern crate rustc_plugin;
 
 use syntax::parse::token;
 use syntax::tokenstream::TokenTree;
 use syntax::ext::base::{ExtCtxt, MacResult, DummyResult, MacEager};
 use syntax::ext::build::AstBuilder;  // A trait for expr_usize.
-use syntax::ext::quote::rt::Span;
+use syntax_pos::Span;
 use rustc_plugin::Registry;
 
 fn expand_rn(cx: &mut ExtCtxt, sp: Span, args: &[TokenTree])

src/librustc/lib.rs

@@ -52,7 +52,6 @@
 #![feature(nll)]
 #![feature(non_exhaustive)]
 #![feature(proc_macro_internals)]
-#![feature(quote)]
 #![feature(optin_builtin_traits)]
 #![feature(refcell_replace_swap)]
 #![feature(rustc_diagnostic_macros)]

src/librustc_borrowck/lib.rs

@@ -15,7 +15,6 @@
 #![allow(non_camel_case_types)]
 
 #![feature(nll)]
-#![feature(quote)]
 
 #![recursion_limit="256"]
 

src/librustc_codegen_llvm/lib.rs

@@ -27,7 +27,6 @@
 #![allow(unused_attributes)]
 #![feature(libc)]
 #![feature(nll)]
-#![feature(quote)]
 #![feature(range_contains)]
 #![feature(rustc_diagnostic_macros)]
 #![feature(slice_sort_by_cached_key)]

src/librustc_codegen_utils/lib.rs

@@ -21,7 +21,6 @@
 #![feature(custom_attribute)]
 #![feature(nll)]
 #![allow(unused_attributes)]
-#![feature(quote)]
 #![feature(rustc_diagnostic_macros)]
 
 #![recursion_limit="256"]

src/librustc_driver/driver.rs

@@ -953,7 +953,7 @@ where
         &resolver_arenas,
     );
     resolver.whitelisted_legacy_custom_derives = whitelisted_legacy_custom_derives;
-    syntax_ext::register_builtins(&mut resolver, syntax_exts, sess.features_untracked().quote);
+    syntax_ext::register_builtins(&mut resolver, syntax_exts);
 
     // Expand all macros
     sess.profiler(|p| p.start_activity(ProfileCategory::Expansion));

src/librustc_driver/lib.rs

@@ -22,7 +22,6 @@
 #![cfg_attr(unix, feature(libc))]
 #![feature(nll)]
 #![feature(option_replace)]
-#![feature(quote)]
 #![feature(rustc_diagnostic_macros)]
 #![feature(slice_sort_by_cached_key)]
 #![feature(set_stdio)]

src/librustc_lint/lib.rs

@@ -27,7 +27,6 @@
 #![feature(box_patterns)]
 #![feature(box_syntax)]
 #![feature(nll)]
-#![feature(quote)]
 #![feature(rustc_diagnostic_macros)]
 #![feature(macro_at_most_once_rep)]
 

src/librustc_metadata/lib.rs

@@ -18,7 +18,6 @@
 #![feature(nll)]
 #![feature(proc_macro_internals)]
 #![feature(proc_macro_quote)]
-#![feature(quote)]
 #![feature(rustc_diagnostic_macros)]
 #![feature(slice_sort_by_cached_key)]
 #![feature(crate_visibility_modifier)]

src/librustc_typeck/lib.rs

@@ -76,7 +76,6 @@ This API is completely unstable and subject to change.
 #![feature(crate_visibility_modifier)]
 #![feature(exhaustive_patterns)]
 #![feature(nll)]
-#![feature(quote)]
 #![feature(refcell_replace_swap)]
 #![feature(rustc_diagnostic_macros)]
 #![feature(slice_patterns)]

src/libsyntax/ext/expand.rs

@@ -1601,7 +1601,6 @@ impl<'feat> ExpansionConfig<'feat> {
     }
 
     feature_tests! {
-        fn enable_quotes = quote,
         fn enable_asm = asm,
         fn enable_custom_test_frameworks = custom_test_frameworks,
         fn enable_global_asm = global_asm,