Merge pull request #379 from A4-Tacks/fix-raw_ident_format_failed

Fix raw ident format to invalid ident (#378)

peg-macros/translate.rs

@@ -347,7 +347,7 @@ fn compile_rule_export(context: &Context, rule: &Rule) -> TokenStream {
         ..
     } = rule;
     let ret_ty = rule.ret_type.clone().unwrap_or_else(|| quote!(()));
-    let parse_fn = format_ident!("__parse_{}", rule.name.to_string(), span = name.span());
+    let parse_fn = format_ident!("__parse_{}", rule.name, span = name.span());
     let ty_params = ty_params_slice(&rule.ty_params);
     let where_clause = rule.where_clause.as_ref().into_iter();
     let rule_params = rule_params_list(context, rule);

tests/run-pass/raw_ident.rs

@@ -0,0 +1,12 @@
+extern crate peg;
+use peg::parser;
+
+parser!{
+    pub grammar g() for str {
+        pub rule r#break() = "foo"
+    }
+}
+
+fn main() {
+    assert_eq!(g::r#break("foo"), Ok(()));
+}