From 6bb83a71dda1199a1f3dea8e82c18d9fcff4a1c8 Mon Sep 17 00:00:00 2001
From: Maikel Steneker <maikel.steneker@tiobe.com>
Date: Fri, 10 May 2019 15:30:01 +0200
Subject: [PATCH] Added support for various C++ string prefixes.

These were already tokenized without errors, but the prefixes were considered to be a separate token.
---
 pmd-cpp/etc/grammar/cpp.jj | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pmd-cpp/etc/grammar/cpp.jj b/pmd-cpp/etc/grammar/cpp.jj
index a39effe982..59eb1b51c6 100644
--- a/pmd-cpp/etc/grammar/cpp.jj
+++ b/pmd-cpp/etc/grammar/cpp.jj
@@ -312,7 +312,9 @@ TOKEN :
 
   <  CHARACTER : ("L")? "'" ( ( ~["'","\\","\r","\n"] ) | ( "\\" ( ~["\n","\r"] ) ) )* "'" >
 
-| <  STRING : ("L")? "\"" ( ( ~["\"","\\","\r","\n"] ) | ( "\\" ( ~["\n","\r"] | "\n" | "\r\n" ) ) )* "\"" >
+| < #STRPREF : (["L", "u", "U"] | "u8")? >
+| <  STRING : <STRPREF>
+      "\"" ( ( ~["\"","\\","\r","\n"] ) | ( "\\" ( ~["\n","\r"] | "\n" | "\r\n" ) ) )* "\"" >
 
 | <  RSTRING : "R\"(" ( ~[")"] | ( ")" ~["\""] ) )* ")\"" >
 }