Adjust some pubs.

Author: nnethercote

compiler/rustc_builtin_macros/src/alloc_error_handler.rs

@@ -9,7 +9,7 @@ use rustc_span::symbol::{kw, sym, Ident};
 use rustc_span::Span;
 use thin_vec::{thin_vec, ThinVec};
 
-pub fn expand(
+pub(crate) fn expand(
     ecx: &mut ExtCtxt<'_>,
     _span: Span,
     meta_item: &ast::MetaItem,

compiler/rustc_builtin_macros/src/assert.rs

@@ -15,7 +15,7 @@ use rustc_span::symbol::{sym, Ident, Symbol};
 use rustc_span::{Span, DUMMY_SP};
 use thin_vec::thin_vec;
 
-pub fn expand_assert<'cx>(
+pub(crate) fn expand_assert<'cx>(
     cx: &'cx mut ExtCtxt<'_>,
     span: Span,
     tts: TokenStream,

compiler/rustc_builtin_macros/src/cfg.rs

@@ -11,7 +11,7 @@ use rustc_errors::PResult;
 use rustc_expand::base::{DummyResult, ExpandResult, ExtCtxt, MacEager, MacroExpanderResult};
 use rustc_span::Span;
 
-pub fn expand_cfg(
+pub(crate) fn expand_cfg(
     cx: &mut ExtCtxt<'_>,
     sp: Span,
     tts: TokenStream,

compiler/rustc_builtin_macros/src/compile_error.rs

@@ -5,7 +5,7 @@ use rustc_ast::tokenstream::TokenStream;
 use rustc_expand::base::{DummyResult, ExpandResult, ExtCtxt, MacroExpanderResult};
 use rustc_span::Span;
 
-pub fn expand_compile_error<'cx>(
+pub(crate) fn expand_compile_error<'cx>(
     cx: &'cx mut ExtCtxt<'_>,
     sp: Span,
     tts: TokenStream,

compiler/rustc_builtin_macros/src/concat.rs

@@ -6,7 +6,7 @@ use rustc_expand::base::{DummyResult, ExpandResult, ExtCtxt, MacEager, MacroExpa
 use rustc_session::errors::report_lit_error;
 use rustc_span::symbol::Symbol;
 
-pub fn expand_concat(
+pub(crate) fn expand_concat(
     cx: &mut ExtCtxt<'_>,
     sp: rustc_span::Span,
     tts: TokenStream,

compiler/rustc_builtin_macros/src/concat_bytes.rs

@@ -107,7 +107,7 @@ fn handle_array_element(
     None
 }
 
-pub fn expand_concat_bytes(
+pub(crate) fn expand_concat_bytes(
     cx: &mut ExtCtxt<'_>,
     sp: Span,
     tts: TokenStream,

compiler/rustc_builtin_macros/src/concat_idents.rs

@@ -8,7 +8,7 @@ use rustc_span::Span;
 
 use crate::errors;
 
-pub fn expand_concat_idents<'cx>(
+pub(crate) fn expand_concat_idents<'cx>(
     cx: &'cx mut ExtCtxt<'_>,
     sp: Span,
     tts: TokenStream,

compiler/rustc_builtin_macros/src/deriving/bounds.rs

@@ -5,7 +5,7 @@ use rustc_ast::MetaItem;
 use rustc_expand::base::{Annotatable, ExtCtxt};
 use rustc_span::Span;
 
-pub fn expand_deriving_copy(
+pub(crate) fn expand_deriving_copy(
     cx: &ExtCtxt<'_>,
     span: Span,
     mitem: &MetaItem,
@@ -28,7 +28,7 @@ pub fn expand_deriving_copy(
     trait_def.expand(cx, mitem, item, push);
 }
 
-pub fn expand_deriving_const_param_ty(
+pub(crate) fn expand_deriving_const_param_ty(
     cx: &ExtCtxt<'_>,
     span: Span,
     mitem: &MetaItem,

compiler/rustc_builtin_macros/src/deriving/clone.rs

@@ -8,7 +8,7 @@ use rustc_span::symbol::{kw, sym, Ident};
 use rustc_span::Span;
 use thin_vec::{thin_vec, ThinVec};
 
-pub fn expand_deriving_clone(
+pub(crate) fn expand_deriving_clone(
     cx: &ExtCtxt<'_>,
     span: Span,
     mitem: &MetaItem,

compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs

@@ -9,7 +9,7 @@ use rustc_span::symbol::sym;
 use rustc_span::Span;
 use thin_vec::{thin_vec, ThinVec};
 
-pub fn expand_deriving_eq(
+pub(crate) fn expand_deriving_eq(
     cx: &ExtCtxt<'_>,
     span: Span,
     mitem: &MetaItem,