4 use proc_macro::{Delimiter, Ident, Span, TokenStream, TokenTree};
31         Some(TokenTree::Group(group)) if group.delimiter() == Brace => {  in parse_export()
59         Some(TokenTree::Punct(punct)) if punct.as_char() == ch => {  in parse_punct()
64             tt.map_or_else(Span::call_site, TokenTree::span),  in parse_punct()
90         Some(TokenTree::Ident(ident)) if ident.to_string() == "as" => {  in parse_macro()
101         Some(TokenTree::Ident(ident)) => Ok(ident),  in parse_ident()
103             tt.as_ref().map_or_else(Span::call_site, TokenTree::span),  in parse_ident()
111         Some(TokenTree::Ident(ident)) if ident.to_string() == kw => Ok(()),  in parse_keyword()
113             tt.as_ref().map_or_else(Span::call_site, TokenTree::span),  in parse_keyword()
121         Some(TokenTree::Literal(lit)) => lit.to_string().parse().map_err(|_| lit.span()),  in parse_int()
129         Some(TokenTree::Group(group)) if group.delimiter() == delimiter => {  in parse_group()
133             tt.as_ref().map_or_else(Span::call_site, TokenTree::span),  in parse_group()
140     if let Some(TokenTree::Ident(ident)) = tokens.peek() {  in parse_visibility()
143                 TokenTree::Ident(vis) => return Ok(Some(vis)),  in parse_visibility()
153     while let Some(TokenTree::Punct(punct)) = tokens.peek() {  in parse_attributes()
160             Some(TokenTree::Group(group)) if group.delimiter() == Bracket => {  in parse_attributes()
179             TokenTree::Ident(ident) if ident.to_string() == "support_nested" => {  in parse_export_args()
182             TokenTree::Ident(ident) if ident.to_string() == "internal_macro_calls" => {  in parse_export_args()
189             TokenTree::Ident(ident) if ident.to_string() == "fake_call_site" => {  in parse_export_args()
192             TokenTree::Ident(ident) if ident.to_string() == "only_hack_old_rustc" => {  in parse_export_args()