From 0a5b38f9c3d5beb641b146b2a7c56c8b4257633e Mon Sep 17 00:00:00 2001
From: Mazdak Farrokhzad <twingoow@gmail.com>
Date: Fri, 11 Oct 2019 14:01:02 +0200
Subject: move Attribute::with_desugared_doc to librustdoc

---
 src/libsyntax/attr/mod.rs               | 29 ++---------------------------
 src/libsyntax/parse/lexer/comments.rs   |  2 +-
 src/libsyntax/parse/lexer/tokentrees.rs |  3 ++-
 3 files changed, 5 insertions(+), 29 deletions(-)

(limited to 'src/libsyntax')

diff --git a/src/libsyntax/attr/mod.rs b/src/libsyntax/attr/mod.rs
index 4aec5040881..27de084ae98 100644
--- a/src/libsyntax/attr/mod.rs
+++ b/src/libsyntax/attr/mod.rs
@@ -13,8 +13,8 @@ use crate::ast::{AttrItem, AttrId, AttrStyle, Name, Ident, Path, PathSegment};
 use crate::ast::{MetaItem, MetaItemKind, NestedMetaItem};
 use crate::ast::{Lit, LitKind, Expr, Item, Local, Stmt, StmtKind, GenericParam};
 use crate::mut_visit::visit_clobber;
-use crate::source_map::{BytePos, Spanned, DUMMY_SP};
-use crate::parse::lexer::comments::{doc_comment_style, strip_doc_comment_decoration};
+use crate::source_map::{BytePos, Spanned};
+use crate::parse::lexer::comments::doc_comment_style;
 use crate::parse::parser::Parser;
 use crate::parse::PResult;
 use crate::parse::token::{self, Token};
@@ -312,31 +312,6 @@ impl Attribute {
             span: self.span,
         })
     }
-
-    /// Converts `self` to a normal `#[doc="foo"]` comment, if it is a
-    /// comment like `///` or `/** */`. (Returns `self` unchanged for
-    /// non-sugared doc attributes.)
-    pub fn with_desugared_doc<T, F>(&self, f: F) -> T where
-        F: FnOnce(&Attribute) -> T,
-    {
-        if self.is_sugared_doc {
-            let comment = self.value_str().unwrap();
-            let meta = mk_name_value_item_str(
-                Ident::with_dummy_span(sym::doc),
-                Symbol::intern(&strip_doc_comment_decoration(&comment.as_str())),
-                DUMMY_SP,
-            );
-            f(&Attribute {
-                item: AttrItem { path: meta.path, tokens: meta.kind.tokens(meta.span) },
-                id: self.id,
-                style: self.style,
-                is_sugared_doc: true,
-                span: self.span,
-            })
-        } else {
-            f(self)
-        }
-    }
 }
 
 /* Constructors */
diff --git a/src/libsyntax/parse/lexer/comments.rs b/src/libsyntax/parse/lexer/comments.rs
index 5121a9ef7b5..ac79ce323bf 100644
--- a/src/libsyntax/parse/lexer/comments.rs
+++ b/src/libsyntax/parse/lexer/comments.rs
@@ -176,7 +176,7 @@ fn split_block_comment_into_lines(
 
 // it appears this function is called only from pprust... that's
 // probably not a good thing.
-pub fn gather_comments(sess: &ParseSess, path: FileName, src: String) -> Vec<Comment> {
+crate fn gather_comments(sess: &ParseSess, path: FileName, src: String) -> Vec<Comment> {
     let cm = SourceMap::new(sess.source_map().path_mapping().clone());
     let source_file = cm.new_source_file(path, src);
     let text = (*source_file.src.as_ref().unwrap()).clone();
diff --git a/src/libsyntax/parse/lexer/tokentrees.rs b/src/libsyntax/parse/lexer/tokentrees.rs
index b4dd23c9f9b..853723de14f 100644
--- a/src/libsyntax/parse/lexer/tokentrees.rs
+++ b/src/libsyntax/parse/lexer/tokentrees.rs
@@ -1,8 +1,9 @@
 use rustc_data_structures::fx::FxHashMap;
 use syntax_pos::Span;
 
+use super::{StringReader, UnmatchedBrace};
+
 use crate::print::pprust::token_to_string;
-use crate::parse::lexer::{StringReader, UnmatchedBrace};
 use crate::parse::token::{self, Token};
 use crate::parse::PResult;
 use crate::tokenstream::{DelimSpan, IsJoint::{self, *}, TokenStream, TokenTree, TreeAndJoint};
-- 
cgit 1.4.1-3-g733a5